1f0
[  247.495926]  ? bpf_prog_test_run+0x130/0x1a0
[  247.500345]  ? __x64_sys_bpf+0x3d8/0x520
[  247.504415]  ? bpf_prog_get+0x20/0x20
[  247.508248]  ? do_syscall_64+0x1b9/0x820
[  247.512315]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  247.517689]  ? syscall_return_slowpath+0x5e0/0x5e0
[  247.522620]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.527468]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.532489]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  247.537512]  ? prepare_exit_to_usermode+0x291/0x3b0
[  247.542539]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.547401]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  247.552782] Mem-Info:
[  247.552796] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  247.552809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  247.555229] active_anon:56297 inactive_anon:436 isolated_anon:0
[  247.555229]  active_file:15 inactive_file:14 isolated_file:0
[  247.555229]  unevictable:0 dirty:0 writeback:0 unstable:0
[  247.555229]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  247.555229]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  247.555229]  free:13786 free_pcp:429 free_cma:0
[  247.561869] Call Trace:
[  247.571266] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  247.604322]  <IRQ>
[  247.606905] Node 0 
[  247.634691]  dump_stack+0x244/0x39d
[  247.636846] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  247.639055]  ? dump_stack_print_info.cold.1+0x20/0x20
[  247.642659] lowmem_reserve[]:
[  247.668183]  warn_alloc.cold.117+0xb7/0x1bd
[  247.673360]  0
[  247.676469]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  247.680764]  2818
[  247.682567]  ? lock_downgrade+0x900/0x900
[  247.687381]  6321
[  247.689444]  ? trace_hardirqs_off+0xb8/0x310
[  247.693590]  6321
[  247.695670]  ? trace_hardirqs_off+0xb8/0x310
[  247.700050] Node 0 
[  247.702116]  __alloc_pages_slowpath+0x2660/0x2d70
[  247.706524] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  247.708751]  ? warn_alloc+0x120/0x120
[  247.713543] lowmem_reserve[]:
[  247.740272]  ? warn_alloc+0x120/0x120
[  247.744049]  0
[  247.747154]  ? print_usage_bug+0xc0/0xc0
[  247.750934]  0
[  247.752734]  ? warn_alloc+0x120/0x120
[  247.756762]  3503 3503
[  247.758569]  ? print_usage_bug+0xc0/0xc0
[  247.764839]  ? rb_next+0x140/0x140
[  247.768879] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  247.772452]  ? __lock_is_held+0xb5/0x140
[  247.772472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.801508] lowmem_reserve[]: 0
[  247.805583]  ? should_fail+0x22d/0xd01
[  247.811089]  0
[  247.814360]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.818221]  0
[  247.820021]  ? __lock_acquire+0x62f/0x4c20
[  247.825108]  0
[  247.826908]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.831122] Node 0 
[  247.832928]  ? __lock_acquire+0x62f/0x4c20
[  247.837999] DMA: 
[  247.840227]  ? should_fail+0x22d/0xd01
[  247.844447] 1*4kB 
[  247.846510]  ? mark_held_locks+0x130/0x130
[  247.850365] (U) 
[  247.852513]  ? mark_held_locks+0x130/0x130
[  247.856725] 0*8kB 
[  247.858700]  ? zap_class+0x640/0x640
[  247.862909] 0*16kB 
[  247.865060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.868751] 1*32kB 
[  247.870983]  ? check_preemption_disabled+0x48/0x280
[  247.876498] (U) 
[  247.878736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.883723] 2*64kB (U) 
[  247.885712]  ? check_preemption_disabled+0x48/0x280
[  247.891220] 1*128kB (U) 
[  247.893827]  ? __lock_is_held+0xb5/0x140
[  247.898814] 1*256kB 
[  247.901582]  __alloc_pages_nodemask+0xa80/0xde0
[  247.905616] (U) 
[  247.907933]  ? zap_class+0x640/0x640
[  247.912575] 0*512kB 1*1024kB 
[  247.914562]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  247.918253] (U) 
[  247.921359]  ? find_held_lock+0x36/0x1c0
[  247.926350] 1*2048kB 
[  247.928324]  ? ____cache_alloc_node+0x1c7/0x1e0
[  247.932354] (M) 
[  247.934763]  ? lock_downgrade+0x900/0x900
[  247.939401] 3*4096kB (M) 
[  247.941392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.945530] = 15908kB
[  247.948292]  cache_grow_begin+0xa5/0x8c0
[  247.953805] Node 0 
[  247.956217]  ? do_raw_spin_unlock+0xa7/0x330
[  247.960251] DMA32: 
[  247.962491]  fallback_alloc+0x204/0x2e0
[  247.966869] 5*4kB 
[  247.969105]  ____cache_alloc_node+0x1c7/0x1e0
[  247.973051] (UM) 
[  247.975201]  __kmalloc+0x208/0x760
[  247.979665] 1*8kB (U) 
[  247.981740]  ? __neigh_create+0x30b/0x2130
[  247.985254] 2*16kB 
[  247.987755]  __neigh_create+0x30b/0x2130
[  247.991957] (M) 1*32kB 
[  247.994211]  ? __local_bh_enable_ip+0x160/0x260
[  247.998248] (M) 3*64kB 
[  248.000855]  ? __local_bh_enable_ip+0x160/0x260
[  248.005500] (M) 
[  248.008088]  ? mark_held_locks+0x130/0x130
[  248.012724] 5*128kB 
[  248.014700]  ? __local_bh_enable_ip+0x160/0x260
[  248.018907] (UM) 
[  248.021233]  ? neigh_hash_alloc+0x1e0/0x1e0
[  248.025874] 3*256kB 
[  248.027933]  ? zap_class+0x640/0x640
[  248.032227] (M) 
[  248.034550]  ? trace_hardirqs_on+0xbd/0x310
[  248.038244] 4*512kB 
[  248.040209]  ? mark_held_locks+0xc7/0x130
[  248.040226]  ? ip6t_do_table+0xd9e/0x1d30
[  248.044525] (UM) 
[  248.046849]  ? trace_hardirqs_off_caller+0x310/0x310
[  248.050973] 3*1024kB 
[  248.055117]  ? __local_bh_enable_ip+0x160/0x260
[  248.057154] (UM) 
[  248.062261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.064652] 3*2048kB 
[  248.069322]  ? lock_acquire+0x1ed/0x520
[  248.071355] (UM) 
[  248.076890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.079275] 3*4096kB 
[  248.083243]  ? check_preemption_disabled+0x48/0x280
[  248.085273] (M) = 25244kB
[  248.090821]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  248.093205] Node 0 
[  248.098219]  ? rcu_pm_notify+0xc0/0xc0
[  248.100948] Normal: 719*4kB 
[  248.106507]  ? zap_class+0x640/0x640
[  248.108719] (UMEH) 
[  248.112602]  ? __sanitizer_cov_trace_switch+0x53/0x90
[  248.115594] 258*8kB 
[  248.119312]  ip6_finish_output2+0xa59/0x27a0
[  248.121515] (UME) 
[  248.126704]  ? ip6_copy_metadata+0xe30/0xe30
[  248.128999] 197*16kB 
[  248.133404]  ? ip6_mtu+0x39c/0x520
[  248.135532] (UME) 
[  248.139943]  ? lock_downgrade+0x900/0x900
[  248.142332] 98*32kB 
[  248.145864]  ? check_preemption_disabled+0x48/0x280
[  248.147992] (UME) 
[  248.152143]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  248.154438] 44*64kB 
[  248.159449]  ? kasan_check_read+0x11/0x20
[  248.161573] (UM) 
[  248.166497]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.168795] 0*128kB 0*256kB 
[  248.172951]  ? rcu_softirq_qs+0x20/0x20
[  248.174989] 0*512kB 
[  248.180266]  ? ip6_mtu+0x160/0x520
[  248.183252] 0*1024kB 
[  248.187222]  ? find_match+0x10a0/0x10a0
[  248.189522] 0*2048kB 
[  248.193055]  ? kasan_check_read+0x11/0x20
[  248.195448] 0*4096kB 
[  248.199423]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.201813] = 14044kB
[  248.205957]  ip6_finish_output+0x58c/0xc60
[  248.208348] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  248.213617]  ? ip6_finish_output+0x58c/0xc60
[  248.216011] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  248.220247]  ip6_output+0x232/0x9d0
[  248.229058] 4793 total pagecache pages
[  248.233477]  ? ip6_finish_output+0xc60/0xc60
[  248.242036] 0 pages in swap cache
[  248.245673]  ? ip6_fragment+0x38e0/0x38e0
[  248.249533] Swap cache stats: add 0, delete 0, find 0/0
[  248.253940]  ? __lock_is_held+0xb5/0x140
[  248.257367] Free swap  = 0kB
[  248.261521]  ndisc_send_skb+0x1005/0x1570
[  248.266850] Total swap = 0kB
[  248.270914]  ? nf_hook.constprop.33+0x860/0x860
[  248.273901] 1965979 pages RAM
[  248.278051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.281040] 0 pages HighMem/MovableOnly
[  248.281049] 342867 pages reserved
[  248.285714]  ? refcount_sub_and_test_checked+0x203/0x310
[  248.288801] 0 pages cma reserved
[  248.294335]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  248.298701] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  248.301743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.307167] syz-executor4 cpuset=
[  248.310531]  ndisc_send_rs+0x134/0x6e0
[  248.315954] syz4
[  248.326447]  addrconf_rs_timer+0x314/0x690
[  248.331967]  mems_allowed=0
[  248.335417]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.352638]  call_timer_fn+0x272/0x920
[  248.356536]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.360780]  ? process_timeout+0x40/0x40
[  248.364858]  ? mark_held_locks+0xc7/0x130
[  248.369011]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.373512]  ? _raw_spin_unlock_irq+0x27/0x80
[  248.378008]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.382246]  ? lockdep_hardirqs_on+0x296/0x5b0
[  248.386835]  ? trace_hardirqs_on+0xbd/0x310
[  248.391171]  ? kasan_check_read+0x11/0x20
[  248.395327]  ? __run_timers+0x7da/0xc70
[  248.399306]  ? trace_hardirqs_off_caller+0x310/0x310
[  248.404429]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  248.408669]  __run_timers+0x7e5/0xc70
[  248.412489]  ? timer_fixup_init+0x70/0x70
[  248.416654]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  248.421671]  ? zap_class+0x640/0x640
[  248.425392]  ? print_usage_bug+0xc0/0xc0
[  248.429964]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  248.435175]  ? find_held_lock+0x36/0x1c0
[  248.439250]  ? zap_class+0x640/0x640
[  248.442973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.448513]  ? check_preemption_disabled+0x48/0x280
[  248.453540]  ? __lock_is_held+0xb5/0x140
[  248.457605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.463143]  ? check_preemption_disabled+0x48/0x280
[  248.468184]  run_timer_softirq+0x52/0xb0
[  248.472252]  ? rcu_read_lock_sched_held+0x14f/0x180
[  248.477269]  __do_softirq+0x308/0xb7e
[  248.481081]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  248.485580]  ? lock_downgrade+0x900/0x900
[  248.489735]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  248.494847]  ? pvclock_read_flags+0x160/0x160
[  248.499366]  ? lapic_next_event+0x5a/0x90
[  248.503518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.509062]  ? kvm_clock_read+0x18/0x30
[  248.513037]  ? kvm_sched_clock_read+0x9/0x20
[  248.517450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.523001]  ? check_preemption_disabled+0x48/0x280
[  248.528032]  irq_exit+0x17f/0x1c0
[  248.531489]  smp_apic_timer_interrupt+0x1cb/0x760
[  248.536336]  ? smp_reschedule_interrupt+0x109/0x650
[  248.541354]  ? smp_call_function_single_interrupt+0x650/0x650
[  248.547246]  ? interrupt_entry+0xb5/0xc0
[  248.551315]  ? trace_hardirqs_off_caller+0xbb/0x310
[  248.556331]  ? trace_hardirqs_off_caller+0xbb/0x310
[  248.561354]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.566200]  ? trace_hardirqs_on_caller+0x310/0x310
[  248.571221]  ? trace_hardirqs_on_caller+0x310/0x310
[  248.576239]  ? task_prio+0x50/0x50
[  248.579787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.585326]  ? check_preemption_disabled+0x48/0x280
[  248.590351]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.595210]  apic_timer_interrupt+0xf/0x20
[  248.599441]  </IRQ>
[  248.601684] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  248.606881] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  248.625791] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  248.633508] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  248.640777] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  248.648046] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  248.655318] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  248.662586] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  248.669894]  retint_kernel+0x1b/0x2d
[  248.673614] RIP: 0010:dump_stack+0x358/0x39d
[  248.678022] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  248.696934] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  248.704653] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  248.711929] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  248.719198] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  248.726466] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  248.733736] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  248.741031]  ? dump_stack+0x34f/0x39d
[  248.744846]  ? dump_stack_print_info.cold.1+0x20/0x20
[  248.750067]  dump_header+0x27b/0xf72
[  248.753796]  ? mark_held_locks+0x130/0x130
[  248.758032]  ? pagefault_out_of_memory+0x197/0x197
[  248.762970]  ? __lock_acquire+0x62f/0x4c20
[  248.767203]  ? zap_class+0x640/0x640
[  248.770926]  ? percpu_ref_get_many+0x240/0x240
[  248.775510]  ? print_usage_bug+0xc0/0xc0
[  248.779574]  ? print_usage_bug+0xc0/0xc0
[  248.783648]  ? zap_class+0x640/0x640
[  248.787370]  ? print_usage_bug+0xc0/0xc0
[  248.791434]  ? print_usage_bug+0xc0/0xc0
[  248.795509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.801052]  ? find_held_lock+0x36/0x1c0
[  248.805126]  ? mark_held_locks+0xc7/0x130
[  248.809291]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  248.814396]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  248.819504]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  248.824091]  ? trace_hardirqs_on+0xbd/0x310
[  248.828415]  ? kasan_check_read+0x11/0x20
[  248.832562]  ? ___ratelimit+0x3b4/0x672
[  248.836552]  ? trace_hardirqs_off_caller+0x310/0x310
[  248.841660]  ? trace_hardirqs_on+0x310/0x310
[  248.846068]  ? lock_downgrade+0x900/0x900
[  248.850312]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  248.855419]  ? ___ratelimit+0x3b9/0x672
[  248.859399]  ? idr_get_free+0xec0/0xec0
[  248.863377]  ? find_held_lock+0x36/0x1c0
[  248.867452]  oom_kill_process.cold.27+0x10/0x903
[  248.872215]  ? zap_class+0x640/0x640
[  248.875944]  ? check_preemption_disabled+0x48/0x280
[  248.880972]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  248.885901]  ? kasan_check_read+0x11/0x20
[  248.890058]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.895342]  ? oom_evaluate_task+0x540/0x540
[  248.899756]  ? find_held_lock+0x36/0x1c0
[  248.903829]  ? out_of_memory+0x974/0x1430
[  248.907981]  ? lock_downgrade+0x900/0x900
[  248.912137]  ? check_preemption_disabled+0x48/0x280
[  248.917174]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  248.922110]  ? kasan_check_read+0x11/0x20
[  248.926269]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.931548]  ? rcu_softirq_qs+0x20/0x20
[  248.935532]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.941068]  ? oom_evaluate_task+0x302/0x540
[  248.945491]  out_of_memory+0xa84/0x1430
[  248.949482]  ? oom_killer_disable+0x3a0/0x3a0
[  248.953980]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  248.958923]  ? __mutex_add_waiter+0x2a0/0x2a0
[  248.963435]  __alloc_pages_slowpath+0x22d4/0x2d70
[  248.968325]  ? warn_alloc+0x120/0x120
[  248.972128]  ? rcu_softirq_qs+0x20/0x20
[  248.976141]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.981686]  ? should_fail+0x22d/0xd01
[  248.985582]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.990693]  ? zap_class+0x640/0x640
[  248.994446]  ? __lock_is_held+0xb5/0x140
[  248.998550]  ? mark_held_locks+0x130/0x130
[  249.002793]  ? lock_release+0xa00/0xa00
[  249.006773]  ? perf_trace_sched_process_exec+0x860/0x860
[  249.012239]  ? __might_sleep+0x95/0x190
[  249.016222]  __alloc_pages_nodemask+0xa80/0xde0
[  249.020909]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  249.025949]  ? __page_cache_alloc+0x191/0x5c0
[  249.030453]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  249.035383]  ? kasan_check_read+0x11/0x20
[  249.039537]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.044824]  ? zap_class+0x640/0x640
[  249.048552]  ? zap_class+0x640/0x640
[  249.052274]  ? zap_class+0x640/0x640
[  249.055993]  ? __do_page_cache_readahead+0x7ce/0x980
[  249.061106]  ? find_held_lock+0x36/0x1c0
[  249.065187]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  249.070738]  alloc_pages_current+0x173/0x350
[  249.075172]  __page_cache_alloc+0x38c/0x5c0
[  249.079497]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  249.084431]  ? kasan_check_read+0x11/0x20
[  249.088585]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.093871]  ? generic_perform_write+0x6a0/0x6a0
[  249.098807]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.104350]  ? check_preemption_disabled+0x48/0x280
[  249.109383]  filemap_fault+0x1594/0x25f0
[  249.113471]  ? __lock_page_or_retry+0xa00/0xa00
[  249.118147]  ? mark_held_locks+0x130/0x130
[  249.122400]  ? rcu_softirq_qs+0x20/0x20
[  249.126391]  ? filemap_map_pages+0xe04/0x1990
[  249.130908]  ? __free_object+0x173/0x340
[  249.134980]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  249.139916]  ? trace_hardirqs_off_caller+0x310/0x310
[  249.145027]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  249.149711]  ? debug_object_free+0x32d/0x690
[  249.154120]  ? kasan_check_read+0x11/0x20
[  249.158269]  ? debug_object_destroy+0x2b0/0x2b0
[  249.162965]  ? lock_pi_update_atomic+0x150/0x150
[  249.167725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.173265]  ? __hrtimer_init+0xdb/0x240
[  249.177339]  ? lock_acquire+0x1ed/0x520
[  249.181316]  ? ext4_filemap_fault+0x7a/0xad
[  249.185647]  ? lock_release+0xa00/0xa00
[  249.189619]  ? perf_trace_sched_process_exec+0x860/0x860
[  249.195071]  ? print_usage_bug+0xc0/0xc0
[  249.199136]  ? print_usage_bug+0xc0/0xc0
[  249.203221]  ? down_read+0x8d/0x120
[  249.206846]  ? ext4_filemap_fault+0x7a/0xad
[  249.211177]  ? __down_interruptible+0x700/0x700
[  249.215860]  ext4_filemap_fault+0x82/0xad
[  249.220011]  __do_fault+0x100/0x6b0
[  249.223636]  ? find_held_lock+0x36/0x1c0
[  249.227732]  ? pmd_devmap_trans_unstable+0x220/0x220
[  249.232844]  ? mark_held_locks+0x130/0x130
[  249.237083]  ? mark_held_locks+0x130/0x130
[  249.241331]  ? kasan_check_read+0x11/0x20
[  249.245483]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.251026]  __handle_mm_fault+0x307c/0x5920
[  249.255438]  ? perf_trace_lock+0x7a0/0x7a0
[  249.259686]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  249.264539]  ? __switch_to_asm+0x34/0x70
[  249.268602]  ? __switch_to_asm+0x34/0x70
[  249.272678]  ? zap_class+0x640/0x640
[  249.276393]  ? zap_class+0x640/0x640
[  249.280105]  ? __x64_sys_futex+0x53e/0x6a0
[  249.284345]  ? find_held_lock+0x36/0x1c0
[  249.288419]  ? handle_mm_fault+0x42a/0xc70
[  249.292662]  ? lock_downgrade+0x900/0x900
[  249.296809]  ? check_preemption_disabled+0x48/0x280
[  249.302061]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  249.306994]  ? kasan_check_read+0x11/0x20
[  249.311148]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.316437]  ? rcu_softirq_qs+0x20/0x20
[  249.320412]  ? trace_hardirqs_off_caller+0x310/0x310
[  249.325520]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.331060]  ? check_preemption_disabled+0x48/0x280
[  249.336096]  handle_mm_fault+0x54f/0xc70
[  249.340176]  ? __handle_mm_fault+0x5920/0x5920
[  249.344771]  ? find_vma+0x34/0x190
[  249.348322]  __do_page_fault+0x5e8/0xe60
[  249.352385]  ? trace_hardirqs_off+0xb8/0x310
[  249.356808]  do_page_fault+0xf2/0x7e0
[  249.360701]  ? vmalloc_sync_all+0x30/0x30
[  249.364851]  ? error_entry+0x70/0xd0
[  249.368566]  ? trace_hardirqs_off_caller+0xbb/0x310
[  249.373580]  ? trace_hardirqs_on_caller+0xc0/0x310
[  249.378519]  ? syscall_return_slowpath+0x5e0/0x5e0
[  249.383456]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.388304]  ? trace_hardirqs_on_caller+0x310/0x310
[  249.393324]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  249.398785]  ? prepare_exit_to_usermode+0x291/0x3b0
[  249.403805]  ? page_fault+0x8/0x30
[  249.407351]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.412199]  ? page_fault+0x8/0x30
[  249.415744]  page_fault+0x1e/0x30
[  249.419198] RIP: 0033:0x40f9c0
[  249.422407] Code: Bad RIP value.
[  249.425789] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  249.431176] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  249.438447] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  249.445717] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  249.452984] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  249.460251] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  249.467553] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  249.467900] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  249.474573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  249.474582] Call Trace:
[  249.484794] syz-fuzzer cpuset=
[  249.494136]  <IRQ>
[  249.496715] /
[  249.499902]  dump_stack+0x244/0x39d
[  249.502029]  mems_allowed=0
[  249.503736]  ? dump_stack_print_info.cold.1+0x20/0x20
[  249.515460]  warn_alloc.cold.117+0xb7/0x1bd
[  249.519788]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  249.524724]  ? lock_downgrade+0x900/0x900
[  249.528882]  ? trace_hardirqs_off+0xb8/0x310
[  249.533304]  ? trace_hardirqs_off+0xb8/0x310
[  249.537724]  __alloc_pages_slowpath+0x2660/0x2d70
[  249.542606]  ? warn_alloc+0x120/0x120
[  249.546415]  ? warn_alloc+0x120/0x120
[  249.550225]  ? print_usage_bug+0xc0/0xc0
[  249.554289]  ? warn_alloc+0x120/0x120
[  249.558097]  ? print_usage_bug+0xc0/0xc0
[  249.562180]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.567726]  ? should_fail+0x22d/0xd01
[  249.571619]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.576725]  ? __lock_acquire+0x62f/0x4c20
[  249.580962]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.586062]  ? __lock_acquire+0x62f/0x4c20
[  249.590294]  ? should_fail+0x22d/0xd01
[  249.594212]  ? mark_held_locks+0x130/0x130
[  249.598462]  ? mark_held_locks+0x130/0x130
[  249.602711]  ? try_to_wake_up+0x10a/0x12e0
[  249.606948]  ? zap_class+0x640/0x640
[  249.610667]  ? print_usage_bug+0xc0/0xc0
[  249.614741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.620284]  ? check_preemption_disabled+0x48/0x280
[  249.625310]  ? __lock_is_held+0xb5/0x140
[  249.629382]  __alloc_pages_nodemask+0xa80/0xde0
[  249.634054]  ? zap_class+0x640/0x640
[  249.637776]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  249.642809]  ? find_held_lock+0x36/0x1c0
[  249.646882]  ? ____cache_alloc_node+0x1c7/0x1e0
[  249.651560]  ? lock_downgrade+0x900/0x900
[  249.655716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.661262]  cache_grow_begin+0xa5/0x8c0
[  249.665325]  ? do_raw_spin_unlock+0xa7/0x330
[  249.669746]  fallback_alloc+0x204/0x2e0
[  249.673732]  ____cache_alloc_node+0x1c7/0x1e0
[  249.678234]  kmem_cache_alloc_node+0xe3/0x730
[  249.682730]  ? ipv6_get_ifaddr+0x42e/0x620
[  249.686980]  __alloc_skb+0x119/0x770
[  249.690697]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.696245]  ? netdev_alloc_frag+0x1f0/0x1f0
[  249.700655]  ? lock_downgrade+0x900/0x900
[  249.704813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.710354]  ? refcount_sub_and_test_checked+0x203/0x310
[  249.715813]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  249.721268]  ? addrconf_rs_timer+0x690/0x690
[  249.725689]  ndisc_alloc_skb+0x144/0x340
[  249.729754]  ndisc_send_rs+0x331/0x6e0
[  249.733659]  addrconf_rs_timer+0x314/0x690
[  249.737905]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.742164]  call_timer_fn+0x272/0x920
[  249.746054]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.750295]  ? process_timeout+0x40/0x40
[  249.754368]  ? __run_timers+0x7da/0xc70
[  249.758351]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.762847]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.767339]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.771578]  ? lockdep_hardirqs_on+0x296/0x5b0
[  249.776169]  ? trace_hardirqs_on+0xbd/0x310
[  249.780496]  ? kasan_check_read+0x11/0x20
[  249.784649]  ? __run_timers+0x7da/0xc70
[  249.788628]  ? trace_hardirqs_off_caller+0x310/0x310
[  249.793748]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.798001]  __run_timers+0x7e5/0xc70
[  249.801820]  ? timer_fixup_init+0x70/0x70
[  249.805975]  ? kasan_check_read+0x11/0x20
[  249.810127]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.815416]  ? rcu_softirq_qs+0x20/0x20
[  249.819404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.824948]  ? check_preemption_disabled+0x48/0x280
[  249.829975]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  249.834738]  ? retint_kernel+0x2d/0x2d
[  249.838627]  ? trace_hardirqs_on_caller+0xc0/0x310
[  249.843565]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  249.848324]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  249.853778]  ? zap_class+0x640/0x640
[  249.857502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.863040]  ? check_preemption_disabled+0x48/0x280
[  249.868066]  ? __lock_is_held+0xb5/0x140
[  249.872131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.877675]  ? check_preemption_disabled+0x48/0x280
[  249.882700]  run_timer_softirq+0x52/0xb0
[  249.886760]  ? rcu_read_lock_sched_held+0x14f/0x180
[  249.891777]  __do_softirq+0x308/0xb7e
[  249.895584]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  249.900081]  ? lock_downgrade+0x900/0x900
[  249.904235]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  249.909346]  ? pvclock_read_flags+0x160/0x160
[  249.913849]  ? lapic_next_event+0x5a/0x90
[  249.918005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.923548]  ? kvm_clock_read+0x18/0x30
[  249.927525]  ? kvm_sched_clock_read+0x9/0x20
[  249.931972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.937511]  ? check_preemption_disabled+0x48/0x280
[  249.942536]  irq_exit+0x17f/0x1c0
[  249.945998]  smp_apic_timer_interrupt+0x1cb/0x760
[  249.950840]  ? smp_call_function_single_interrupt+0x159/0x650
[  249.956728]  ? smp_call_function_single_interrupt+0x650/0x650
[  249.962617]  ? interrupt_entry+0xb5/0xc0
[  249.966682]  ? trace_hardirqs_off_caller+0xbb/0x310
[  249.971699]  ? trace_hardirqs_off_caller+0xbb/0x310
[  249.976721]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.981571]  ? trace_hardirqs_on_caller+0x310/0x310
[  249.986587]  ? trace_hardirqs_on_caller+0x310/0x310
[  249.991603]  ? task_prio+0x50/0x50
[  249.995151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.000704]  ? check_preemption_disabled+0x48/0x280
[  250.005732]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.010588]  apic_timer_interrupt+0xf/0x20
[  250.014816]  </IRQ>
[  250.017107] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  250.022039] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  250.040942] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  250.048652] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  250.055920] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  250.063191] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  250.070459] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  250.077726] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  250.085056]  skb_clone+0x1bb/0x500
[  250.088613]  ? skb_split+0x11e0/0x11e0
[  250.092506]  ? check_preemption_disabled+0x48/0x280
[  250.097535]  ? __this_cpu_preempt_check+0x1c/0x20
[  250.102386]  ? __bpf_redirect+0x54b/0xb20
[  250.106572]  bpf_clone_redirect+0xb9/0x490
[  250.110821]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  250.115845]  ? __sched_text_start+0x8/0x8
[  250.119999]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  250.124763]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  250.129359]  ? retint_kernel+0x2d/0x2d
[  250.133259]  ? find_held_lock+0x36/0x1c0
[  250.137335]  ? lock_acquire+0x1ed/0x520
[  250.141309]  ? bpf_test_run+0x3cb/0x780
[  250.145287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.150830]  ? check_preemption_disabled+0x48/0x280
[  250.155873]  ? kasan_check_read+0x11/0x20
[  250.160031]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.165312]  ? rcu_softirq_qs+0x20/0x20
[  250.169288]  ? preempt_schedule+0x4d/0x60
[  250.173450]  ? ___preempt_schedule+0x16/0x18
[  250.177867]  ? bpf_test_run+0x25d/0x780
[  250.181857]  ? netlink_diag_dump+0x2a0/0x2a0
[  250.186273]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.191813]  ? bpf_test_init.isra.10+0x70/0x100
[  250.196491]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  250.201257]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  250.206105]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  250.211735]  ? fput+0x130/0x1a0
[  250.215022]  ? __bpf_prog_get+0x9b/0x290
[  250.219090]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  250.223933]  ? bpf_prog_test_run+0x130/0x1a0
[  250.228351]  ? __x64_sys_bpf+0x3d8/0x520
[  250.232415]  ? bpf_prog_get+0x20/0x20
[  250.236250]  ? do_syscall_64+0x1b9/0x820
[  250.240316]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  250.245683]  ? syscall_return_slowpath+0x5e0/0x5e0
[  250.250616]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.255465]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.260490]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  250.265688]  ? prepare_exit_to_usermode+0x291/0x3b0
[  250.270711]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.275567]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  250.280948] warn_alloc_show_mem: 1 callbacks suppressed
[  250.280959] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  250.280961] Mem-Info:
[  250.280992] active_anon:56297 inactive_anon:436 isolated_anon:0
[  250.280992]  active_file:15 inactive_file:14 isolated_file:0
[  250.280992]  unevictable:0 dirty:0 writeback:0 unstable:0
[  250.280992]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  250.280992]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  250.280992]  free:13786 free_pcp:429 free_cma:0
[  250.286338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  250.293008] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  250.295403] Call Trace:
[  250.328372] Node 0 
[  250.337747]  <IRQ>
[  250.365527] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  250.368096]  dump_stack+0x244/0x39d
[  250.370306] lowmem_reserve[]:
[  250.372453]  ? dump_stack_print_info.cold.1+0x20/0x20
[  250.397935]  0 2818
[  250.401596]  warn_alloc.cold.117+0xb7/0x1bd
[  250.404661]  6321
[  250.409850]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  250.412063]  6321
[  250.416379]  ? lock_downgrade+0x900/0x900
[  250.423257]  ? trace_hardirqs_off+0xb8/0x310
[  250.425293] Node 0 
[  250.429952]  ? trace_hardirqs_off+0xb8/0x310
[  250.434129] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  250.436347]  __alloc_pages_slowpath+0x2660/0x2d70
[  250.440729] lowmem_reserve[]:
[  250.467830]  ? warn_alloc+0x120/0x120
[  250.472627]  0
[  250.475738]  ? warn_alloc+0x120/0x120
[  250.479513]  0
[  250.481317]  ? print_usage_bug+0xc0/0xc0
[  250.485091]  3503
[  250.486891]  ? warn_alloc+0x120/0x120
[  250.490922]  3503
[  250.492994]  ? print_usage_bug+0xc0/0xc0
[  250.496767] Node 0 
[  250.498828]  ? __lock_acquire+0x62f/0x4c20
[  250.502891] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  250.505096]  ? __lock_acquire+0x62f/0x4c20
[  250.509303] lowmem_reserve[]: 0
[  250.537774]  ? __local_bh_enable_ip+0x160/0x260
[  250.537794]  ? lockdep_hardirqs_on+0x296/0x5b0
[  250.542011]  0
[  250.545294]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.545310]  ? should_fail+0x22d/0xd01
[  250.549956]  0
[  250.554534]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.556310]  0
[  250.561847]  ? __lock_acquire+0x62f/0x4c20
[  250.565709] Node 0 
[  250.567530]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.572609] DMA: 
[  250.574405]  ? __lock_acquire+0x62f/0x4c20
[  250.578627] 1*4kB 
[  250.580860]  ? should_fail+0x22d/0xd01
[  250.585945] (U) 
[  250.588017]  ? mark_held_locks+0x130/0x130
[  250.592218] 0*8kB 
[  250.594366]  ? mark_held_locks+0x130/0x130
[  250.598226] 0*16kB 
[  250.600203]  ? __local_bh_enable_ip+0x160/0x260
[  250.604414] 1*32kB 
[  250.606562]  ? lockdep_hardirqs_on+0x296/0x5b0
[  250.610769] (U) 
[  250.613002]  ? zap_class+0x640/0x640
[  250.617646] 2*64kB 
[  250.619874]  ? print_usage_bug+0xc0/0xc0
[  250.624435] (U) 
[  250.626407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.630098] 1*128kB 
[  250.632327]  ? check_preemption_disabled+0x48/0x280
[  250.636359] (U) 
[  250.638338]  ? __lock_is_held+0xb5/0x140
[  250.643844] 1*256kB 
[  250.646173]  __alloc_pages_nodemask+0xa80/0xde0
[  250.651182] (U) 
[  250.653164]  ? zap_class+0x640/0x640
[  250.657204] 0*512kB 
[  250.659522]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  250.664170] 1*1024kB 
[  250.666146]  ? find_held_lock+0x36/0x1c0
[  250.669829] (U) 
[  250.672154]  ? ____cache_alloc_node+0x1c7/0x1e0
[  250.677150] 1*2048kB 
[  250.679560]  ? lock_downgrade+0x900/0x900
[  250.683599] (M) 
[  250.685576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.690215] 3*4096kB 
[  250.692625]  cache_grow_begin+0xa5/0x8c0
[  250.696741] (M) 
[  250.698716]  ? do_raw_spin_unlock+0xa7/0x330
[  250.704229] = 15908kB
[  250.706638]  fallback_alloc+0x204/0x2e0
[  250.710668] Node 0 
[  250.712641]  ____cache_alloc_node+0x1c7/0x1e0
[  250.717023] DMA32: 
[  250.719429]  kmem_cache_alloc_node+0xe3/0x730
[  250.723379] 5*4kB 
[  250.725614]  ? ipv6_get_ifaddr+0x42e/0x620
[  250.730096] (UM) 1*8kB 
[  250.732364]  __alloc_skb+0x119/0x770
[  250.736832] (U) 
[  250.738984]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.743194] 2*16kB 
[  250.745778]  ? netdev_alloc_frag+0x1f0/0x1f0
[  250.749464] (M) 
[  250.751437]  ? lock_downgrade+0x900/0x900
[  250.751459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.756705] 1*32kB 
[  250.758937]  ? refcount_sub_and_test_checked+0x203/0x310
[  250.763318] (M) 
[  250.765292]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  250.769416] 3*64kB 
[  250.774953]  ? addrconf_rs_timer+0x690/0x690
[  250.777175] (M) 
[  250.782628]  ndisc_alloc_skb+0x144/0x340
[  250.784569] 5*128kB (UM) 
[  250.790025]  ndisc_send_rs+0x331/0x6e0
[  250.792243] 3*256kB 
[  250.796668]  addrconf_rs_timer+0x314/0x690
[  250.798620] (M) 
[  250.802678]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.805411] 4*512kB 
[  250.809311]  call_timer_fn+0x272/0x920
[  250.811594] (UM) 
[  250.815822]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.817774] 3*1024kB 
[  250.822002]  ? process_timeout+0x40/0x40
[  250.824302] (UM) 
[  250.828201]  ? mark_held_locks+0xc7/0x130
[  250.830241] 3*2048kB 
[  250.834469]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.836851] (UM) 
[  250.840909]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.842952] 3*4096kB 
[  250.847092]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.849478] (M) 
[  250.853967]  ? lockdep_hardirqs_on+0x296/0x5b0
[  250.856003] = 25244kB
[  250.860498]  ? trace_hardirqs_on+0xbd/0x310
[  250.862882] Node 0 
[  250.867113]  ? kasan_check_read+0x11/0x20
[  250.869064] Normal: 
[  250.873639]  ? __run_timers+0x7da/0xc70
[  250.876021] 719*4kB 
[  250.880356]  ? trace_hardirqs_off_caller+0x310/0x310
[  250.882567] (UMEH) 
[  250.886713]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.889015] 258*8kB 
[  250.892985]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.895283] (UME) 
[  250.900383]  __run_timers+0x7e5/0xc70
[  250.902589] 197*16kB (UME) 
[  250.906838]  ? timer_fixup_init+0x70/0x70
[  250.909132] 98*32kB 
[  250.913358]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  250.915480] (UME) 
[  250.919276]  ? zap_class+0x640/0x640
[  250.922186] 44*64kB (UM) 
[  250.926336]  ? print_usage_bug+0xc0/0xc0
[  250.928633] 0*128kB 
[  250.933643]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  250.935768] 0*256kB 
[  250.939481]  ? find_held_lock+0x36/0x1c0
[  250.942213] 0*512kB 
[  250.946271]  ? zap_class+0x640/0x640
[  250.948573] 0*1024kB 0*2048kB 
[  250.953769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.956068] 0*4096kB 
[  250.960123]  ? check_preemption_disabled+0x48/0x280
[  250.962425] = 14044kB
[  250.966134]  ? __lock_is_held+0xb5/0x140
[  250.969302] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  250.974824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.977221] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  250.982224]  ? check_preemption_disabled+0x48/0x280
[  250.984611] 4793 total pagecache pages
[  250.988664]  run_timer_softirq+0x52/0xb0
[  250.997479] 0 pages in swap cache
[  251.003005]  ? rcu_read_lock_sched_held+0x14f/0x180
[  251.011567] Swap cache stats: add 0, delete 0, find 0/0
[  251.016605]  __do_softirq+0x308/0xb7e
[  251.020469] Free swap  = 0kB
[  251.024529]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  251.027951] Total swap = 0kB
[  251.032963]  ? lock_downgrade+0x900/0x900
[  251.038302] 1965979 pages RAM
[  251.042104]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  251.045095] 0 pages HighMem/MovableOnly
[  251.045104] 342867 pages reserved
[  251.049600]  ? pvclock_read_flags+0x160/0x160
[  251.052588] 0 pages cma reserved
[  251.056732]  ? lapic_next_event+0x5a/0x90
[  251.059910] net_ratelimit: 4 callbacks suppressed
[  251.059917] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  251.064930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.069023] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  251.072362]  ? kvm_clock_read+0x18/0x30
[  251.076829] syz-executor4 cpuset=
[  251.080199]  ? kvm_sched_clock_read+0x9/0x20
[  251.084320] syz4
[  251.089180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.095645]  mems_allowed=0
[  251.101184]  ? check_preemption_disabled+0x48/0x280
[  251.139480]  irq_exit+0x17f/0x1c0
[  251.142946]  smp_apic_timer_interrupt+0x1cb/0x760
[  251.147788]  ? smp_reschedule_interrupt+0x109/0x650
[  251.152808]  ? smp_call_function_single_interrupt+0x650/0x650
[  251.158701]  ? interrupt_entry+0xb5/0xc0
[  251.162767]  ? trace_hardirqs_off_caller+0xbb/0x310
[  251.167781]  ? trace_hardirqs_off_caller+0xbb/0x310
[  251.172802]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.177655]  ? trace_hardirqs_on_caller+0x310/0x310
[  251.182671]  ? trace_hardirqs_on_caller+0x310/0x310
[  251.187715]  ? task_prio+0x50/0x50
[  251.191264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.196805]  ? check_preemption_disabled+0x48/0x280
[  251.201830]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.206688]  apic_timer_interrupt+0xf/0x20
[  251.210924]  </IRQ>
[  251.213170] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  251.218363] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  251.237282] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  251.244998] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  251.252270] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  251.259540] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  251.266808] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  251.274083] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  251.281393]  retint_kernel+0x1b/0x2d
[  251.285115] RIP: 0010:dump_stack+0x358/0x39d
[  251.289524] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  251.308794] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  251.316508] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  251.323774] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  251.331046] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  251.338319] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  251.345595] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  251.352903]  ? dump_stack+0x34f/0x39d
[  251.356728]  ? dump_stack_print_info.cold.1+0x20/0x20
[  251.361941]  dump_header+0x27b/0xf72
[  251.365673]  ? mark_held_locks+0x130/0x130
[  251.369915]  ? pagefault_out_of_memory+0x197/0x197
[  251.374861]  ? __lock_acquire+0x62f/0x4c20
[  251.379096]  ? zap_class+0x640/0x640
[  251.382820]  ? percpu_ref_get_many+0x240/0x240
[  251.387407]  ? print_usage_bug+0xc0/0xc0
[  251.391469]  ? print_usage_bug+0xc0/0xc0
[  251.395538]  ? zap_class+0x640/0x640
[  251.399263]  ? print_usage_bug+0xc0/0xc0
[  251.403327]  ? print_usage_bug+0xc0/0xc0
[  251.407412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.412961]  ? find_held_lock+0x36/0x1c0
[  251.417043]  ? mark_held_locks+0xc7/0x130
[  251.421205]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  251.426312]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  251.431418]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  251.436005]  ? trace_hardirqs_on+0xbd/0x310
[  251.440328]  ? kasan_check_read+0x11/0x20
[  251.444479]  ? ___ratelimit+0x3b4/0x672
[  251.448455]  ? trace_hardirqs_off_caller+0x310/0x310
[  251.453565]  ? trace_hardirqs_on+0x310/0x310
[  251.457983]  ? lock_downgrade+0x900/0x900
[  251.462164]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  251.467276]  ? ___ratelimit+0x3b9/0x672
[  251.471255]  ? idr_get_free+0xec0/0xec0
[  251.475241]  ? find_held_lock+0x36/0x1c0
[  251.479315]  oom_kill_process.cold.27+0x10/0x903
[  251.484078]  ? zap_class+0x640/0x640
[  251.487797]  ? check_preemption_disabled+0x48/0x280
[  251.492832]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  251.497767]  ? kasan_check_read+0x11/0x20
[  251.501916]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.507203]  ? oom_evaluate_task+0x540/0x540
[  251.511621]  ? find_held_lock+0x36/0x1c0
[  251.515699]  ? out_of_memory+0x974/0x1430
[  251.519854]  ? lock_downgrade+0x900/0x900
[  251.524018]  ? check_preemption_disabled+0x48/0x280
[  251.529045]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  251.533978]  ? kasan_check_read+0x11/0x20
[  251.538129]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.543509]  ? rcu_softirq_qs+0x20/0x20
[  251.547491]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.553026]  ? oom_evaluate_task+0x302/0x540
[  251.557438]  out_of_memory+0xa84/0x1430
[  251.561425]  ? oom_killer_disable+0x3a0/0x3a0
[  251.565935]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  251.570872]  ? __mutex_add_waiter+0x2a0/0x2a0
[  251.575381]  __alloc_pages_slowpath+0x22d4/0x2d70
[  251.580259]  ? warn_alloc+0x120/0x120
[  251.584061]  ? rcu_softirq_qs+0x20/0x20
[  251.588067]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.593618]  ? should_fail+0x22d/0xd01
[  251.597515]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.602628]  ? zap_class+0x640/0x640
[  251.606371]  ? __lock_is_held+0xb5/0x140
[  251.610446]  ? mark_held_locks+0x130/0x130
[  251.614689]  ? lock_release+0xa00/0xa00
[  251.618683]  ? perf_trace_sched_process_exec+0x860/0x860
[  251.624150]  ? __might_sleep+0x95/0x190
[  251.628147]  __alloc_pages_nodemask+0xa80/0xde0
[  251.632837]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  251.637855]  ? __page_cache_alloc+0x191/0x5c0
[  251.642357]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  251.647286]  ? kasan_check_read+0x11/0x20
[  251.651440]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.656722]  ? zap_class+0x640/0x640
[  251.660448]  ? zap_class+0x640/0x640
[  251.664171]  ? zap_class+0x640/0x640
[  251.667892]  ? __do_page_cache_readahead+0x7ce/0x980
[  251.673014]  ? find_held_lock+0x36/0x1c0
[  251.677084]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  251.682632]  alloc_pages_current+0x173/0x350
[  251.687054]  __page_cache_alloc+0x38c/0x5c0
[  251.691379]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  251.696311]  ? kasan_check_read+0x11/0x20
[  251.700460]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.705742]  ? generic_perform_write+0x6a0/0x6a0
[  251.710499]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.716038]  ? check_preemption_disabled+0x48/0x280
[  251.721070]  filemap_fault+0x1594/0x25f0
[  251.725148]  ? __lock_page_or_retry+0xa00/0xa00
[  251.729834]  ? mark_held_locks+0x130/0x130
[  251.734077]  ? rcu_softirq_qs+0x20/0x20
[  251.738068]  ? filemap_map_pages+0xe04/0x1990
[  251.742580]  ? __free_object+0x173/0x340
[  251.746648]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  251.751582]  ? trace_hardirqs_off_caller+0x310/0x310
[  251.756704]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  251.761394]  ? debug_object_free+0x32d/0x690
[  251.765809]  ? kasan_check_read+0x11/0x20
[  251.769971]  ? debug_object_destroy+0x2b0/0x2b0
[  251.774647]  ? lock_pi_update_atomic+0x150/0x150
[  251.779406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.784946]  ? __hrtimer_init+0xdb/0x240
[  251.789024]  ? lock_acquire+0x1ed/0x520
[  251.793004]  ? ext4_filemap_fault+0x7a/0xad
[  251.797339]  ? lock_release+0xa00/0xa00
[  251.801319]  ? perf_trace_sched_process_exec+0x860/0x860
[  251.806777]  ? print_usage_bug+0xc0/0xc0
[  251.810845]  ? print_usage_bug+0xc0/0xc0
[  251.814924]  ? down_read+0x8d/0x120
[  251.818557]  ? ext4_filemap_fault+0x7a/0xad
[  251.822888]  ? __down_interruptible+0x700/0x700
[  251.827571]  ext4_filemap_fault+0x82/0xad
[  251.831726]  __do_fault+0x100/0x6b0
[  251.835361]  ? find_held_lock+0x36/0x1c0
[  251.839430]  ? pmd_devmap_trans_unstable+0x220/0x220
[  251.844557]  ? mark_held_locks+0x130/0x130
[  251.848794]  ? mark_held_locks+0x130/0x130
[  251.853041]  ? kasan_check_read+0x11/0x20
[  251.857194]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.862757]  __handle_mm_fault+0x307c/0x5920
[  251.867179]  ? perf_trace_lock+0x7a0/0x7a0
[  251.871425]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  251.876279]  ? __switch_to_asm+0x34/0x70
[  251.880341]  ? __switch_to_asm+0x34/0x70
[  251.884419]  ? zap_class+0x640/0x640
[  251.888135]  ? zap_class+0x640/0x640
[  251.891854]  ? __x64_sys_futex+0x53e/0x6a0
[  251.896099]  ? find_held_lock+0x36/0x1c0
[  251.900178]  ? handle_mm_fault+0x42a/0xc70
[  251.904421]  ? lock_downgrade+0x900/0x900
[  251.908573]  ? check_preemption_disabled+0x48/0x280
[  251.913603]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  251.918536]  ? kasan_check_read+0x11/0x20
[  251.922688]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.927974]  ? rcu_softirq_qs+0x20/0x20
[  251.931952]  ? trace_hardirqs_off_caller+0x310/0x310
[  251.937060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.942601]  ? check_preemption_disabled+0x48/0x280
[  251.947627]  handle_mm_fault+0x54f/0xc70
[  251.951694]  ? __handle_mm_fault+0x5920/0x5920
[  251.956283]  ? find_vma+0x34/0x190
[  251.959831]  __do_page_fault+0x5e8/0xe60
[  251.963892]  ? trace_hardirqs_off+0xb8/0x310
[  251.968317]  do_page_fault+0xf2/0x7e0
[  251.972122]  ? vmalloc_sync_all+0x30/0x30
[  251.976274]  ? error_entry+0x70/0xd0
[  251.979990]  ? trace_hardirqs_off_caller+0xbb/0x310
[  251.985015]  ? trace_hardirqs_on_caller+0xc0/0x310
[  251.989954]  ? syscall_return_slowpath+0x5e0/0x5e0
[  251.994882]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.999736]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.004757]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  252.010216]  ? prepare_exit_to_usermode+0x291/0x3b0
[  252.015236]  ? page_fault+0x8/0x30
[  252.018786]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.023631]  ? page_fault+0x8/0x30
[  252.027185]  page_fault+0x1e/0x30
[  252.030642] RIP: 0033:0x40f9c0
[  252.033855] Code: Bad RIP value.
[  252.037218] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  252.042583] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  252.049862] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  252.057133] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  252.064408] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  252.071676] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  252.078985] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  252.079051] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  252.086005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  252.086014] Call Trace:
[  252.092580] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  252.101843]  <IRQ>
[  252.104419] syz-fuzzer cpuset=
[  252.115000]  dump_stack+0x244/0x39d
[  252.117124] /
[  252.120309]  ? dump_stack_print_info.cold.1+0x20/0x20
[  252.123924]  mems_allowed=0
[  252.125637]  warn_alloc.cold.117+0xb7/0x1bd
[  252.138034]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  252.142890]  ? lock_downgrade+0x900/0x900
[  252.147048]  ? trace_hardirqs_off+0xb8/0x310
[  252.151467]  ? trace_hardirqs_off+0xb8/0x310
[  252.155887]  __alloc_pages_slowpath+0x2660/0x2d70
[  252.160769]  ? warn_alloc+0x120/0x120
[  252.164580]  ? warn_alloc+0x120/0x120
[  252.168392]  ? print_usage_bug+0xc0/0xc0
[  252.172465]  ? warn_alloc+0x120/0x120
[  252.176276]  ? print_usage_bug+0xc0/0xc0
[  252.180349]  ? __lock_acquire+0x62f/0x4c20
[  252.184587]  ? __lock_acquire+0x62f/0x4c20
[  252.188831]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.194371]  ? should_fail+0x22d/0xd01
[  252.198263]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.203542]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.208648]  ? __lock_acquire+0x62f/0x4c20
[  252.212886]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.217989]  ? __lock_acquire+0x62f/0x4c20
[  252.222227]  ? should_fail+0x22d/0xd01
[  252.226119]  ? rcu_irq_exit+0x1a2/0x390
[  252.230109]  ? mark_held_locks+0x130/0x130
[  252.234355]  ? mark_held_locks+0x130/0x130
[  252.238606]  ? mark_held_locks+0xc7/0x130
[  252.242757]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  252.247783]  ? zap_class+0x640/0x640
[  252.251499]  ? print_usage_bug+0xc0/0xc0
[  252.255573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.261135]  ? check_preemption_disabled+0x48/0x280
[  252.266186]  ? __lock_is_held+0xb5/0x140
[  252.270263]  __alloc_pages_nodemask+0xa80/0xde0
[  252.274935]  ? zap_class+0x640/0x640
[  252.278660]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  252.283700]  ? find_held_lock+0x36/0x1c0
[  252.287777]  ? ____cache_alloc_node+0x1c7/0x1e0
[  252.292454]  ? lock_downgrade+0x900/0x900
[  252.296615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.302185]  cache_grow_begin+0xa5/0x8c0
[  252.306252]  ? do_raw_spin_unlock+0xa7/0x330
[  252.310670]  fallback_alloc+0x204/0x2e0
[  252.314656]  ____cache_alloc_node+0x1c7/0x1e0
[  252.319166]  kmem_cache_alloc_node+0xe3/0x730
[  252.323665]  ? ipv6_get_ifaddr+0x42e/0x620
[  252.327909]  __alloc_skb+0x119/0x770
[  252.331632]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.336920]  ? netdev_alloc_frag+0x1f0/0x1f0
[  252.341333]  ? lock_downgrade+0x900/0x900
[  252.345497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.351047]  ? refcount_sub_and_test_checked+0x203/0x310
[  252.356506]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  252.361966]  ? addrconf_rs_timer+0x690/0x690
[  252.366391]  ndisc_alloc_skb+0x144/0x340
[  252.370465]  ndisc_send_rs+0x331/0x6e0
[  252.374362]  addrconf_rs_timer+0x314/0x690
[  252.378608]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.382864]  call_timer_fn+0x272/0x920
[  252.386750]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.390989]  ? process_timeout+0x40/0x40
[  252.395066]  ? __run_timers+0x7da/0xc70
[  252.399048]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.403549]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.408044]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.412281]  ? lockdep_hardirqs_on+0x296/0x5b0
[  252.416869]  ? trace_hardirqs_on+0xbd/0x310
[  252.421198]  ? kasan_check_read+0x11/0x20
[  252.425349]  ? __run_timers+0x7da/0xc70
[  252.429326]  ? trace_hardirqs_off_caller+0x310/0x310
[  252.434630]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.438875]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.443111]  __run_timers+0x7e5/0xc70
[  252.446925]  ? timer_fixup_init+0x70/0x70
[  252.451077]  ? kasan_check_read+0x11/0x20
[  252.455229]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.460509]  ? rcu_softirq_qs+0x20/0x20
[  252.464486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.470044]  ? check_preemption_disabled+0x48/0x280
[  252.475070]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  252.479832]  ? retint_kernel+0x2d/0x2d
[  252.483721]  ? trace_hardirqs_on_caller+0xc0/0x310
[  252.488653]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  252.493414]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  252.498874]  ? zap_class+0x640/0x640
[  252.502596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.508139]  ? check_preemption_disabled+0x48/0x280
[  252.513182]  ? __lock_is_held+0xb5/0x140
[  252.517247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.522786]  ? check_preemption_disabled+0x48/0x280
[  252.527816]  run_timer_softirq+0x52/0xb0
[  252.531884]  ? rcu_read_lock_sched_held+0x14f/0x180
[  252.536899]  __do_softirq+0x308/0xb7e
[  252.540704]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  252.545202]  ? lock_downgrade+0x900/0x900
[  252.549352]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  252.554467]  ? pvclock_read_flags+0x160/0x160
[  252.558971]  ? lapic_next_event+0x5a/0x90
[  252.563123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.568673]  ? kvm_clock_read+0x18/0x30
[  252.572645]  ? kvm_sched_clock_read+0x9/0x20
[  252.577060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.582599]  ? check_preemption_disabled+0x48/0x280
[  252.587626]  irq_exit+0x17f/0x1c0
[  252.591084]  smp_apic_timer_interrupt+0x1cb/0x760
[  252.595925]  ? smp_call_function_single_interrupt+0x159/0x650
[  252.601811]  ? smp_call_function_single_interrupt+0x650/0x650
[  252.607702]  ? interrupt_entry+0xb5/0xc0
[  252.611768]  ? trace_hardirqs_off_caller+0xbb/0x310
[  252.616782]  ? trace_hardirqs_off_caller+0xbb/0x310
[  252.621802]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.626651]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.631670]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.636686]  ? task_prio+0x50/0x50
[  252.640232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.645772]  ? check_preemption_disabled+0x48/0x280
[  252.650797]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.655653]  apic_timer_interrupt+0xf/0x20
[  252.659885]  </IRQ>
[  252.662127] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  252.667064] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  252.685969] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  252.693681] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  252.700955] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  252.708226] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  252.715510] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  252.722778] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  252.730097]  skb_clone+0x1bb/0x500
[  252.733642]  ? skb_split+0x11e0/0x11e0
[  252.737532]  ? check_preemption_disabled+0x48/0x280
[  252.742556]  ? __this_cpu_preempt_check+0x1c/0x20
[  252.747405]  ? __bpf_redirect+0x54b/0xb20
[  252.751572]  bpf_clone_redirect+0xb9/0x490
[  252.755821]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  252.760844]  ? __sched_text_start+0x8/0x8
[  252.764995]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  252.769753]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  252.774340]  ? retint_kernel+0x2d/0x2d
[  252.778238]  ? find_held_lock+0x36/0x1c0
[  252.782308]  ? lock_acquire+0x1ed/0x520
[  252.786284]  ? bpf_test_run+0x3cb/0x780
[  252.790266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.795811]  ? check_preemption_disabled+0x48/0x280
[  252.800842]  ? kasan_check_read+0x11/0x20
[  252.804998]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.810278]  ? rcu_softirq_qs+0x20/0x20
[  252.814258]  ? preempt_schedule+0x4d/0x60
[  252.818409]  ? ___preempt_schedule+0x16/0x18
[  252.822835]  ? bpf_test_run+0x25d/0x780
[  252.826825]  ? netlink_diag_dump+0x2a0/0x2a0
[  252.831240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.836776]  ? bpf_test_init.isra.10+0x70/0x100
[  252.841455]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  252.846225]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  252.851069]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  252.856607]  ? fput+0x130/0x1a0
[  252.859892]  ? __bpf_prog_get+0x9b/0x290
[  252.863957]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  252.868802]  ? bpf_prog_test_run+0x130/0x1a0
[  252.873215]  ? __x64_sys_bpf+0x3d8/0x520
[  252.877282]  ? bpf_prog_get+0x20/0x20
[  252.881107]  ? do_syscall_64+0x1b9/0x820
[  252.885176]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  252.890548]  ? syscall_return_slowpath+0x5e0/0x5e0
[  252.895479]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.900326]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.905352]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  252.910376]  ? prepare_exit_to_usermode+0x291/0x3b0
[  252.915403]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.920270]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  252.925655] warn_alloc_show_mem: 1 callbacks suppressed
[  252.925666] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  252.925668] Mem-Info:
[  252.925699] active_anon:56297 inactive_anon:436 isolated_anon:0
[  252.925699]  active_file:15 inactive_file:14 isolated_file:0
[  252.925699]  unevictable:0 dirty:0 writeback:0 unstable:0
[  252.925699]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  252.925699]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  252.925699]  free:13786 free_pcp:429 free_cma:0
[  252.931038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  252.937706] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  252.940106] Call Trace:
[  252.973164] Node 0 
[  252.982511]  <IRQ>
[  253.010288] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  253.012849]  dump_stack+0x244/0x39d
[  253.015050] lowmem_reserve[]: 0
[  253.017206]  ? dump_stack_print_info.cold.1+0x20/0x20
[  253.043029]  2818 6321
[  253.046681]  warn_alloc.cold.117+0xb7/0x1bd
[  253.049920]  6321
[  253.055106]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  253.057582] Node 0 
[  253.061900]  ? lock_downgrade+0x900/0x900
[  253.063963] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  253.068780]  ? trace_hardirqs_off+0xb8/0x310
[  253.070987] lowmem_reserve[]:
[  253.075139]  ? trace_hardirqs_off+0xb8/0x310
[  253.101829]  0 0
[  253.106267]  __alloc_pages_slowpath+0x2660/0x2d70
[  253.109336]  3503
[  253.113761]  ? warn_alloc+0x120/0x120
[  253.115687]  3503
[  253.120523]  ? warn_alloc+0x120/0x120
[  253.122564] Node 0 
[  253.126364]  ? print_usage_bug+0xc0/0xc0
[  253.128435] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  253.132200]  ? warn_alloc+0x120/0x120
[  253.134411] lowmem_reserve[]:
[  253.138473]  ? print_usage_bug+0xc0/0xc0
[  253.166897]  0 0
[  253.170705]  ? __lock_acquire+0x62f/0x4c20
[  253.173786]  0
[  253.177839]  ? __lock_acquire+0x62f/0x4c20
[  253.179791]  0
[  253.184022]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.190025]  ? should_fail+0x22d/0xd01
[  253.191809] Node 0 
[  253.197341]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.201201] DMA: 
[  253.203438]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.208690] 1*4kB 
[  253.211189]  ? __lock_acquire+0x62f/0x4c20
[  253.216266] (U) 
[  253.218413]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.222630] 0*8kB 
[  253.224603]  ? __lock_acquire+0x62f/0x4c20
[  253.229684] 0*16kB 
[  253.231827]  ? should_fail+0x22d/0xd01
[  253.236038] 1*32kB 
[  253.238269]  ? rcu_irq_exit+0x1a2/0x390
[  253.242131] (U) 
[  253.244366]  ? mark_held_locks+0x130/0x130
[  253.248311] 2*64kB 
[  253.250286]  ? mark_held_locks+0x130/0x130
[  253.254498] (U) 
[  253.256731]  ? mark_held_locks+0xc7/0x130
[  253.260945] 1*128kB 
[  253.262914]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  253.267036] (U) 
[  253.269352]  ? zap_class+0x640/0x640
[  253.274350] 1*256kB 
[  253.276324]  ? print_usage_bug+0xc0/0xc0
[  253.280013] (U) 
[  253.282339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.286373] 0*512kB 
[  253.288346]  ? check_preemption_disabled+0x48/0x280
[  253.293858] 1*1024kB 
[  253.296194]  ? __lock_is_held+0xb5/0x140
[  253.301433] (U) 1*2048kB 
[  253.303859]  __alloc_pages_nodemask+0xa80/0xde0
[  253.307888] (M) 
[  253.310642]  ? zap_class+0x640/0x640
[  253.315285] 3*4096kB 
[  253.317262]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  253.320950] (M) 
[  253.323369]  ? find_held_lock+0x36/0x1c0
[  253.328353] = 15908kB
[  253.330346]  ? ____cache_alloc_node+0x1c7/0x1e0
[  253.334380] Node 0 
[  253.336792]  ? lock_downgrade+0x900/0x900
[  253.341437] DMA32: 
[  253.343675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.347795] 5*4kB 
[  253.350035]  cache_grow_begin+0xa5/0x8c0
[  253.355535] (UM) 1*8kB 
[  253.357690]  ? do_raw_spin_unlock+0xa7/0x330
[  253.361725] (U) 
[  253.364314]  fallback_alloc+0x204/0x2e0
[  253.368687] 2*16kB (M) 
[  253.370672]  ____cache_alloc_node+0x1c7/0x1e0
[  253.374616] 1*32kB (M) 
[  253.377210]  kmem_cache_alloc_node+0xe3/0x730
[  253.381681] 3*64kB 
[  253.384260]  ? ipv6_get_ifaddr+0x42e/0x620
[  253.388726] (M) 
[  253.390968]  __alloc_skb+0x119/0x770
[  253.395177] 5*128kB 
[  253.397155]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.400851] (UM) 
[  253.403178]  ? netdev_alloc_frag+0x1f0/0x1f0
[  253.408436] 3*256kB 
[  253.410494]  ? lock_downgrade+0x900/0x900
[  253.414877] (M) 
[  253.417201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.421320] 4*512kB 
[  253.423291]  ? refcount_sub_and_test_checked+0x203/0x310
[  253.428799] (UM) 
[  253.431126]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  253.436548] 3*1024kB 
[  253.438606]  ? addrconf_rs_timer+0x690/0x690
[  253.444027] (UM) 
[  253.446438]  ndisc_alloc_skb+0x144/0x340
[  253.450819] 3*2048kB 
[  253.452881]  ndisc_send_rs+0x331/0x6e0
[  253.456924] (UM) 3*4096kB 
[  253.459364]  addrconf_rs_timer+0x314/0x690
[  253.463226] (M) 
[  253.466067]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.470275] = 25244kB
[  253.472258]  call_timer_fn+0x272/0x920
[  253.476474] Node 0 
[  253.478885]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.482741] Normal: 719*4kB 
[  253.484986]  ? process_timeout+0x40/0x40
[  253.489193] (UMEH) 
[  253.492213]  ? mark_held_locks+0xc7/0x130
[  253.496246] 258*8kB 
[  253.498478]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.502599] (UME) 
[  253.504917]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.509387] 197*16kB 
[  253.511551]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.516023] (UME) 
[  253.518430]  ? lockdep_hardirqs_on+0x296/0x5b0
[  253.522644] 98*32kB 
[  253.524791]  ? trace_hardirqs_on+0xbd/0x310
[  253.529350] (UME) 
[  253.531670]  ? kasan_check_read+0x11/0x20
[  253.535964] 44*64kB 
[  253.538109]  ? __run_timers+0x7da/0xc70
[  253.542228] (UM) 
[  253.544555]  ? trace_hardirqs_off_caller+0x310/0x310
[  253.548504] 0*128kB 
[  253.550564]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.555642] 0*256kB 
[  253.557958]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.562177] 0*512kB 
[  253.564496]  __run_timers+0x7e5/0xc70
[  253.568703] 0*1024kB 
[  253.571030]  ? timer_fixup_init+0x70/0x70
[  253.574796] 0*2048kB 
[  253.577199]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  253.581324] 0*4096kB 
[  253.583731]  ? zap_class+0x640/0x640
[  253.588820] = 14044kB
[  253.591229]  ? print_usage_bug+0xc0/0xc0
[  253.594922] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  253.597329]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  253.601369] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  253.610200]  ? find_held_lock+0x36/0x1c0
[  253.615388] 4793 total pagecache pages
[  253.623960]  ? zap_class+0x640/0x640
[  253.628001] 0 pages in swap cache
[  253.631879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.635568] Swap cache stats: add 0, delete 0, find 0/0
[  253.639016]  ? check_preemption_disabled+0x48/0x280
[  253.644528] Free swap  = 0kB
[  253.649899]  ? __lock_is_held+0xb5/0x140
[  253.654883] Total swap = 0kB
[  253.657899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.661933] 1965979 pages RAM
[  253.664953]  ? check_preemption_disabled+0x48/0x280
[  253.670457] 0 pages HighMem/MovableOnly
[  253.670466] 342867 pages reserved
[  253.673567]  run_timer_softirq+0x52/0xb0
[  253.678559] 0 pages cma reserved
[  253.682527]  ? rcu_read_lock_sched_held+0x14f/0x180
[  253.686016] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  253.690006]  __do_softirq+0x308/0xb7e
[  253.690024]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  253.690041]  ? lock_downgrade+0x900/0x900
[  253.693453] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  253.698398]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  253.704871] syz-executor4 cpuset=
[  253.708669]  ? pvclock_read_flags+0x160/0x160
[  253.713134] syz4
[  253.717286]  ? lapic_next_event+0x5a/0x90
[  253.727745]  mems_allowed=0
[  253.732845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.755331]  ? kvm_clock_read+0x18/0x30
[  253.759313]  ? kvm_sched_clock_read+0x9/0x20
[  253.763725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.769266]  ? check_preemption_disabled+0x48/0x280
[  253.774297]  irq_exit+0x17f/0x1c0
[  253.777758]  smp_apic_timer_interrupt+0x1cb/0x760
[  253.782602]  ? smp_reschedule_interrupt+0x109/0x650
[  253.787637]  ? smp_call_function_single_interrupt+0x650/0x650
[  253.793705]  ? interrupt_entry+0xb5/0xc0
[  253.798209]  ? trace_hardirqs_off_caller+0xbb/0x310
[  253.803225]  ? trace_hardirqs_off_caller+0xbb/0x310
[  253.808248]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.813099]  ? trace_hardirqs_on_caller+0x310/0x310
[  253.818118]  ? trace_hardirqs_on_caller+0x310/0x310
[  253.823136]  ? task_prio+0x50/0x50
[  253.826690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.832231]  ? check_preemption_disabled+0x48/0x280
[  253.837262]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.842120]  apic_timer_interrupt+0xf/0x20
[  253.846353]  </IRQ>
[  253.848595] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  253.853789] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  253.872697] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  253.880412] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  253.887680] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  253.894955] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  253.902234] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  253.909511] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  253.916827]  retint_kernel+0x1b/0x2d
[  253.920560] RIP: 0010:dump_stack+0x358/0x39d
[  253.924981] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  253.943894] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  253.951618] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  253.958894] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  253.966185] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  253.973468] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  253.980745] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  253.988052]  ? dump_stack+0x34f/0x39d
[  253.991878]  ? dump_stack_print_info.cold.1+0x20/0x20
[  253.997090]  dump_header+0x27b/0xf72
[  254.000835]  ? mark_held_locks+0x130/0x130
[  254.005080]  ? pagefault_out_of_memory+0x197/0x197
[  254.010026]  ? __lock_acquire+0x62f/0x4c20
[  254.014266]  ? zap_class+0x640/0x640
[  254.017992]  ? percpu_ref_get_many+0x240/0x240
[  254.022583]  ? print_usage_bug+0xc0/0xc0
[  254.026649]  ? print_usage_bug+0xc0/0xc0
[  254.030721]  ? zap_class+0x640/0x640
[  254.034443]  ? print_usage_bug+0xc0/0xc0
[  254.038510]  ? print_usage_bug+0xc0/0xc0
[  254.042583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.048129]  ? find_held_lock+0x36/0x1c0
[  254.052211]  ? mark_held_locks+0xc7/0x130
[  254.056365]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  254.061471]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  254.066579]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  254.071171]  ? trace_hardirqs_on+0xbd/0x310
[  254.075495]  ? kasan_check_read+0x11/0x20
[  254.079644]  ? ___ratelimit+0x3b4/0x672
[  254.083626]  ? trace_hardirqs_off_caller+0x310/0x310
[  254.088735]  ? trace_hardirqs_on+0x310/0x310
[  254.093148]  ? lock_downgrade+0x900/0x900
[  254.097315]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  254.102421]  ? ___ratelimit+0x3b9/0x672
[  254.106399]  ? idr_get_free+0xec0/0xec0
[  254.110377]  ? find_held_lock+0x36/0x1c0
[  254.114452]  oom_kill_process.cold.27+0x10/0x903
[  254.119217]  ? zap_class+0x640/0x640
[  254.122936]  ? check_preemption_disabled+0x48/0x280
[  254.127963]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  254.132896]  ? kasan_check_read+0x11/0x20
[  254.137059]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.142345]  ? oom_evaluate_task+0x540/0x540
[  254.146764]  ? find_held_lock+0x36/0x1c0
[  254.150838]  ? out_of_memory+0x974/0x1430
[  254.154998]  ? lock_downgrade+0x900/0x900
[  254.159152]  ? check_preemption_disabled+0x48/0x280
[  254.164196]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  254.169128]  ? kasan_check_read+0x11/0x20
[  254.173287]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.178568]  ? rcu_softirq_qs+0x20/0x20
[  254.182554]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.188093]  ? oom_evaluate_task+0x302/0x540
[  254.192514]  out_of_memory+0xa84/0x1430
[  254.196499]  ? oom_killer_disable+0x3a0/0x3a0
[  254.200999]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  254.205944]  ? __mutex_add_waiter+0x2a0/0x2a0
[  254.210458]  __alloc_pages_slowpath+0x22d4/0x2d70
[  254.215357]  ? warn_alloc+0x120/0x120
[  254.219172]  ? rcu_softirq_qs+0x20/0x20
[  254.223193]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.228736]  ? should_fail+0x22d/0xd01
[  254.232632]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.237739]  ? zap_class+0x640/0x640
[  254.241481]  ? __lock_is_held+0xb5/0x140
[  254.245556]  ? mark_held_locks+0x130/0x130
[  254.249799]  ? lock_release+0xa00/0xa00
[  254.253773]  ? perf_trace_sched_process_exec+0x860/0x860
[  254.259241]  ? __might_sleep+0x95/0x190
[  254.263228]  __alloc_pages_nodemask+0xa80/0xde0
[  254.267906]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  254.272936]  ? __page_cache_alloc+0x191/0x5c0
[  254.277436]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  254.282367]  ? kasan_check_read+0x11/0x20
[  254.286518]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.291809]  ? zap_class+0x640/0x640
[  254.295535]  ? zap_class+0x640/0x640
[  254.299248]  ? zap_class+0x640/0x640
[  254.302968]  ? __do_page_cache_readahead+0x7ce/0x980
[  254.308076]  ? find_held_lock+0x36/0x1c0
[  254.312144]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  254.317696]  alloc_pages_current+0x173/0x350
[  254.322115]  __page_cache_alloc+0x38c/0x5c0
[  254.326439]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  254.331376]  ? kasan_check_read+0x11/0x20
[  254.335533]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.340814]  ? generic_perform_write+0x6a0/0x6a0
[  254.345579]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.351122]  ? check_preemption_disabled+0x48/0x280
[  254.356157]  filemap_fault+0x1594/0x25f0
[  254.360255]  ? __lock_page_or_retry+0xa00/0xa00
[  254.364940]  ? mark_held_locks+0x130/0x130
[  254.369192]  ? rcu_softirq_qs+0x20/0x20
[  254.373196]  ? filemap_map_pages+0xe04/0x1990
[  254.377709]  ? __free_object+0x173/0x340
[  254.381782]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  254.386717]  ? trace_hardirqs_off_caller+0x310/0x310
[  254.391821]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  254.396508]  ? debug_object_free+0x32d/0x690
[  254.400928]  ? kasan_check_read+0x11/0x20
[  254.405089]  ? debug_object_destroy+0x2b0/0x2b0
[  254.409763]  ? lock_pi_update_atomic+0x150/0x150
[  254.414521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.420061]  ? __hrtimer_init+0xdb/0x240
[  254.424133]  ? lock_acquire+0x1ed/0x520
[  254.428117]  ? ext4_filemap_fault+0x7a/0xad
[  254.432956]  ? lock_release+0xa00/0xa00
[  254.436934]  ? perf_trace_sched_process_exec+0x860/0x860
[  254.442391]  ? print_usage_bug+0xc0/0xc0
[  254.446454]  ? print_usage_bug+0xc0/0xc0
[  254.450529]  ? down_read+0x8d/0x120
[  254.454153]  ? ext4_filemap_fault+0x7a/0xad
[  254.458485]  ? __down_interruptible+0x700/0x700
[  254.463550]  ext4_filemap_fault+0x82/0xad
[  254.467702]  __do_fault+0x100/0x6b0
[  254.471332]  ? find_held_lock+0x36/0x1c0
[  254.475400]  ? pmd_devmap_trans_unstable+0x220/0x220
[  254.480511]  ? mark_held_locks+0x130/0x130
[  254.484751]  ? mark_held_locks+0x130/0x130
[  254.488998]  ? kasan_check_read+0x11/0x20
[  254.493149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.498707]  __handle_mm_fault+0x307c/0x5920
[  254.503120]  ? perf_trace_lock+0x7a0/0x7a0
[  254.507369]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  254.512226]  ? __switch_to_asm+0x34/0x70
[  254.516288]  ? __switch_to_asm+0x34/0x70
[  254.520368]  ? zap_class+0x640/0x640
[  254.524087]  ? zap_class+0x640/0x640
[  254.527800]  ? __x64_sys_futex+0x53e/0x6a0
[  254.532041]  ? find_held_lock+0x36/0x1c0
[  254.536113]  ? handle_mm_fault+0x42a/0xc70
[  254.540354]  ? lock_downgrade+0x900/0x900
[  254.544503]  ? check_preemption_disabled+0x48/0x280
[  254.549538]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  254.554468]  ? kasan_check_read+0x11/0x20
[  254.558625]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.563904]  ? rcu_softirq_qs+0x20/0x20
[  254.567886]  ? trace_hardirqs_off_caller+0x310/0x310
[  254.573008]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.578551]  ? check_preemption_disabled+0x48/0x280
[  254.583579]  handle_mm_fault+0x54f/0xc70
[  254.587655]  ? __handle_mm_fault+0x5920/0x5920
[  254.592342]  ? find_vma+0x34/0x190
[  254.595890]  __do_page_fault+0x5e8/0xe60
[  254.599961]  ? trace_hardirqs_off+0xb8/0x310
[  254.604381]  do_page_fault+0xf2/0x7e0
[  254.608194]  ? vmalloc_sync_all+0x30/0x30
[  254.612346]  ? error_entry+0x70/0xd0
[  254.616063]  ? trace_hardirqs_off_caller+0xbb/0x310
[  254.621086]  ? trace_hardirqs_on_caller+0xc0/0x310
[  254.626037]  ? syscall_return_slowpath+0x5e0/0x5e0
[  254.630966]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.635815]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.640833]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  254.646292]  ? prepare_exit_to_usermode+0x291/0x3b0
[  254.651312]  ? page_fault+0x8/0x30
[  254.654861]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.659711]  ? page_fault+0x8/0x30
[  254.663261]  page_fault+0x1e/0x30
[  254.666717] RIP: 0033:0x40f9c0
[  254.669930] Code: Bad RIP value.
[  254.673294] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  254.678657] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  254.685928] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  254.693196] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  254.700467] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  254.707735] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  254.715039] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  254.715105] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  254.722057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  254.722062] Call Trace:
[  254.722069]  <IRQ>
[  254.722091]  dump_stack+0x244/0x39d
[  254.722109]  ? dump_stack_print_info.cold.1+0x20/0x20
[  254.728672] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  254.737949]  warn_alloc.cold.117+0xb7/0x1bd
[  254.740518] syz-fuzzer cpuset=
[  254.742666]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  254.746270] /
[  254.751460]  ? lock_downgrade+0x900/0x900
[  254.761674]  mems_allowed=0
[  254.766004]  ? trace_hardirqs_off+0xb8/0x310
[  254.787718]  ? trace_hardirqs_off+0xb8/0x310
[  254.792168]  __alloc_pages_slowpath+0x2660/0x2d70
[  254.797049]  ? warn_alloc+0x120/0x120
[  254.800860]  ? warn_alloc+0x120/0x120
[  254.804671]  ? print_usage_bug+0xc0/0xc0
[  254.808740]  ? warn_alloc+0x120/0x120
[  254.812544]  ? print_usage_bug+0xc0/0xc0
[  254.816628]  ? __lock_acquire+0x62f/0x4c20
[  254.820869]  ? __lock_acquire+0x62f/0x4c20
[  254.825113]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.830655]  ? should_fail+0x22d/0xd01
[  254.834555]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.839665]  ? __lock_acquire+0x62f/0x4c20
[  254.843908]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.849016]  ? __lock_acquire+0x62f/0x4c20
[  254.853254]  ? should_fail+0x22d/0xd01
[  254.857143]  ? find_held_lock+0x36/0x1c0
[  254.861225]  ? mark_held_locks+0x130/0x130
[  254.865470]  ? mark_held_locks+0x130/0x130
[  254.869704]  ? zap_class+0x640/0x640
[  254.873417]  ? zap_class+0x640/0x640
[  254.877142]  ? print_usage_bug+0xc0/0xc0
[  254.881211]  ? do_raw_spin_unlock+0xa7/0x330
[  254.885628]  ? zap_class+0x640/0x640
[  254.889347]  ? print_usage_bug+0xc0/0xc0
[  254.893409]  ? wq_watchdog_touch+0x9c/0xfe
[  254.897654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.903204]  ? check_preemption_disabled+0x48/0x280
[  254.908235]  ? __lock_is_held+0xb5/0x140
[  254.912305]  __alloc_pages_nodemask+0xa80/0xde0
[  254.916973]  ? zap_class+0x640/0x640
[  254.920698]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  254.925728]  ? find_held_lock+0x36/0x1c0
[  254.929804]  ? ____cache_alloc_node+0x1c7/0x1e0
[  254.934477]  ? lock_downgrade+0x900/0x900
[  254.938637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.944190]  cache_grow_begin+0xa5/0x8c0
[  254.948254]  ? do_raw_spin_unlock+0xa7/0x330
[  254.952672]  fallback_alloc+0x204/0x2e0
[  254.956653]  ____cache_alloc_node+0x1c7/0x1e0
[  254.961156]  kmem_cache_alloc_node+0xe3/0x730
[  254.965664]  ? ipv6_get_ifaddr+0x42e/0x620
[  254.969913]  __alloc_skb+0x119/0x770
[  254.973633]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.978918]  ? netdev_alloc_frag+0x1f0/0x1f0
[  254.983332]  ? lock_downgrade+0x900/0x900
[  254.987495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.993042]  ? refcount_sub_and_test_checked+0x203/0x310
[  254.998509]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  255.003974]  ? addrconf_rs_timer+0x690/0x690
[  255.008399]  ndisc_alloc_skb+0x144/0x340
[  255.012473]  ndisc_send_rs+0x331/0x6e0
[  255.016370]  addrconf_rs_timer+0x314/0x690
[  255.020615]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.024867]  call_timer_fn+0x272/0x920
[  255.028758]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.032999]  ? process_timeout+0x40/0x40
[  255.037081]  ? __run_timers+0x7da/0xc70
[  255.041065]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.045566]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.050070]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.054309]  ? lockdep_hardirqs_on+0x296/0x5b0
[  255.058896]  ? trace_hardirqs_on+0xbd/0x310
[  255.063224]  ? kasan_check_read+0x11/0x20
[  255.067379]  ? __run_timers+0x7da/0xc70
[  255.071359]  ? trace_hardirqs_off_caller+0x310/0x310
[  255.076476]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.080719]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.084958]  __run_timers+0x7e5/0xc70
[  255.088780]  ? timer_fixup_init+0x70/0x70
[  255.092932]  ? kasan_check_read+0x11/0x20
[  255.097086]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.102372]  ? rcu_softirq_qs+0x20/0x20
[  255.106354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.111906]  ? check_preemption_disabled+0x48/0x280
[  255.116937]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  255.121704]  ? retint_kernel+0x2d/0x2d
[  255.125595]  ? trace_hardirqs_on_caller+0xc0/0x310
[  255.130539]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  255.135299]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  255.140763]  ? zap_class+0x640/0x640
[  255.144490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.150029]  ? check_preemption_disabled+0x48/0x280
[  255.155059]  ? __lock_is_held+0xb5/0x140
[  255.159124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.164665]  ? check_preemption_disabled+0x48/0x280
[  255.169691]  run_timer_softirq+0x52/0xb0
[  255.173752]  ? rcu_read_lock_sched_held+0x14f/0x180
[  255.178768]  __do_softirq+0x308/0xb7e
[  255.182578]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  255.187078]  ? lock_downgrade+0x900/0x900
[  255.191235]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  255.196349]  ? pvclock_read_flags+0x160/0x160
[  255.200853]  ? lapic_next_event+0x5a/0x90
[  255.205005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.210565]  ? kvm_clock_read+0x18/0x30
[  255.214544]  ? kvm_sched_clock_read+0x9/0x20
[  255.218955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.224493]  ? check_preemption_disabled+0x48/0x280
[  255.229520]  irq_exit+0x17f/0x1c0
[  255.232975]  smp_apic_timer_interrupt+0x1cb/0x760
[  255.237825]  ? smp_call_function_single_interrupt+0x159/0x650
[  255.243714]  ? smp_call_function_single_interrupt+0x650/0x650
[  255.249604]  ? interrupt_entry+0xb5/0xc0
[  255.253670]  ? trace_hardirqs_off_caller+0xbb/0x310
[  255.258687]  ? trace_hardirqs_off_caller+0xbb/0x310
[  255.263708]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.268553]  ? trace_hardirqs_on_caller+0x310/0x310
[  255.273572]  ? trace_hardirqs_on_caller+0x310/0x310
[  255.278589]  ? task_prio+0x50/0x50
[  255.282133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.287683]  ? check_preemption_disabled+0x48/0x280
[  255.292707]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.297564]  apic_timer_interrupt+0xf/0x20
[  255.302309]  </IRQ>
[  255.304554] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  255.309484] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  255.328395] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  255.336120] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  255.343395] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  255.350677] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  255.357950] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  255.365220] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  255.372629]  skb_clone+0x1bb/0x500
[  255.376186]  ? skb_split+0x11e0/0x11e0
[  255.380078]  ? check_preemption_disabled+0x48/0x280
[  255.385108]  ? __this_cpu_preempt_check+0x1c/0x20
[  255.389961]  ? __bpf_redirect+0x54b/0xb20
[  255.394124]  bpf_clone_redirect+0xb9/0x490
[  255.398382]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  255.403404]  ? __sched_text_start+0x8/0x8
[  255.407560]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  255.412323]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  255.416910]  ? retint_kernel+0x2d/0x2d
[  255.420810]  ? find_held_lock+0x36/0x1c0
[  255.424880]  ? lock_acquire+0x1ed/0x520
[  255.428854]  ? bpf_test_run+0x3cb/0x780
[  255.432837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.438380]  ? check_preemption_disabled+0x48/0x280
[  255.443408]  ? kasan_check_read+0x11/0x20
[  255.447563]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.452843]  ? rcu_softirq_qs+0x20/0x20
[  255.456821]  ? preempt_schedule+0x4d/0x60
[  255.460971]  ? ___preempt_schedule+0x16/0x18
[  255.465392]  ? bpf_test_run+0x25d/0x780
[  255.469388]  ? netlink_diag_dump+0x2a0/0x2a0
[  255.473812]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.479349]  ? bpf_test_init.isra.10+0x70/0x100
[  255.484026]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  255.488809]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  255.493738]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  255.499279]  ? fput+0x130/0x1a0
[  255.502563]  ? __bpf_prog_get+0x9b/0x290
[  255.506630]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  255.511475]  ? bpf_prog_test_run+0x130/0x1a0
[  255.515895]  ? __x64_sys_bpf+0x3d8/0x520
[  255.519958]  ? bpf_prog_get+0x20/0x20
[  255.523781]  ? do_syscall_64+0x1b9/0x820
[  255.527847]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  255.533215]  ? syscall_return_slowpath+0x5e0/0x5e0
[  255.538145]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.543007]  ? trace_hardirqs_on_caller+0x310/0x310
[  255.548030]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  255.553051]  ? prepare_exit_to_usermode+0x291/0x3b0
[  255.558077]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.562932]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  255.568318] warn_alloc_show_mem: 1 callbacks suppressed
[  255.568330] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  255.568332] Mem-Info:
[  255.568363] active_anon:56297 inactive_anon:436 isolated_anon:0
[  255.568363]  active_file:15 inactive_file:14 isolated_file:0
[  255.568363]  unevictable:0 dirty:0 writeback:0 unstable:0
[  255.568363]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  255.568363]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  255.568363]  free:13786 free_pcp:429 free_cma:0
[  255.573707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  255.580375] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  255.582771] Call Trace:
[  255.615726] Node 0 
[  255.625072]  <IRQ>
[  255.652845] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  255.655405]  dump_stack+0x244/0x39d
[  255.657609] lowmem_reserve[]: 0
[  255.659766]  ? dump_stack_print_info.cold.1+0x20/0x20
[  255.685260]  2818 6321
[  255.688910]  warn_alloc.cold.117+0xb7/0x1bd
[  255.692151]  6321
[  255.697341]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  255.704149]  ? lock_downgrade+0x900/0x900
[  255.706194] Node 0 
[  255.711032]  ? trace_hardirqs_off+0xb8/0x310
[  255.715197] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  255.717406]  ? trace_hardirqs_off+0xb8/0x310
[  255.721792] lowmem_reserve[]:
[  255.748513]  __alloc_pages_slowpath+0x2660/0x2d70
[  255.752885]  0 0
[  255.756029]  ? warn_alloc+0x120/0x120
[  255.760824]  3503
[  255.762837]  ? warn_alloc+0x120/0x120
[  255.766621]  3503
[  255.768691]  ? print_usage_bug+0xc0/0xc0
[  255.772468] Node 0 
[  255.774528]  ? warn_alloc+0x120/0x120
[  255.778588] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  255.780811]  ? print_usage_bug+0xc0/0xc0
[  255.784579] lowmem_reserve[]: 0
[  255.813050]  ? __lock_acquire+0x62f/0x4c20
[  255.817083]  0
[  255.820354]  ? __lock_acquire+0x62f/0x4c20
[  255.824562]  0
[  255.826362]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.830572]  0
[  255.832374]  ? should_fail+0x22d/0xd01
[  255.839691]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.843554] Node 0 DMA: 
[  255.848827]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.848844]  ? __lock_acquire+0x62f/0x4c20
[  255.851497] 1*4kB 
[  255.856594]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.860803] (U) 
[  255.862950]  ? __lock_acquire+0x62f/0x4c20
[  255.868033] 0*8kB 
[  255.869999]  ? should_fail+0x22d/0xd01
[  255.874216] 0*16kB 
[  255.876361]  ? rcu_irq_exit+0x1a2/0x390
[  255.880226] 1*32kB 
[  255.882460]  ? mark_held_locks+0x130/0x130
[  255.886401] (U) 
[  255.888635]  ? mark_held_locks+0x130/0x130
[  255.892895] 2*64kB 
[  255.894875]  ? mark_held_locks+0xc7/0x130
[  255.899094] (U) 
[  255.901326]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  255.905453] 1*128kB 
[  255.907420]  ? zap_class+0x640/0x640
[  255.912414] (U) 
[  255.914737]  ? print_usage_bug+0xc0/0xc0
[  255.918428] 1*256kB 
[  255.920400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.924435] (U) 
[  255.926757]  ? check_preemption_disabled+0x48/0x280
[  255.932269] 0*512kB 
[  255.934248]  ? __lock_is_held+0xb5/0x140
[  255.939233] 1*1024kB 
[  255.941554]  __alloc_pages_nodemask+0xa80/0xde0
[  255.945584] (U) 
[  255.947991]  ? zap_class+0x640/0x640
[  255.952634] 1*2048kB 
[  255.954605]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  255.958291] (M) 
[  255.960702]  ? find_held_lock+0x36/0x1c0
[  255.965688] 3*4096kB 
[  255.967668]  ? ____cache_alloc_node+0x1c7/0x1e0
[  255.971695] (M) 
[  255.974104]  ? lock_downgrade+0x900/0x900
[  255.978745] = 15908kB
[  255.978753] Node 0 
[  255.980728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.984851] DMA32: 
[  255.987260]  cache_grow_begin+0xa5/0x8c0
[  255.989476] 5*4kB 
[  255.995003]  ? do_raw_spin_unlock+0xa7/0x330
[  255.997215] (UM) 
[  256.001275]  fallback_alloc+0x204/0x2e0
[  256.003404] 1*8kB 
[  256.007832]  ____cache_alloc_node+0x1c7/0x1e0
[  256.009871] (U) 
[  256.013842]  kmem_cache_alloc_node+0xe3/0x730
[  256.015967] 2*16kB 
[  256.020458]  ? ipv6_get_ifaddr+0x42e/0x620
[  256.022411] (M) 
[  256.026909]  __alloc_skb+0x119/0x770
[  256.029117] 1*32kB 
[  256.033351]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.035299] (M) 
[  256.039010]  ? netdev_alloc_frag+0x1f0/0x1f0
[  256.041223] 3*64kB 
[  256.046493]  ? lock_downgrade+0x900/0x900
[  256.048443] (M) 
[  256.052856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.055060] 5*128kB (UM) 
[  256.059214]  ? refcount_sub_and_test_checked+0x203/0x310
[  256.061173] 3*256kB 
[  256.066706]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  256.069441] (M) 
[  256.074892]  ? addrconf_rs_timer+0x690/0x690
[  256.077194] 4*512kB 
[  256.082642]  ndisc_alloc_skb+0x144/0x340
[  256.084584] (UM) 
[  256.088993]  ndisc_send_rs+0x331/0x6e0
[  256.091296] 3*1024kB 
[  256.095356]  addrconf_rs_timer+0x314/0x690
[  256.097394] (UM) 
[  256.101281]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.103666] 3*2048kB 
[  256.107905]  call_timer_fn+0x272/0x920
[  256.109936] (UM) 
[  256.114175]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.116567] 3*4096kB 
[  256.120451]  ? process_timeout+0x40/0x40
[  256.122490] (M) 
[  256.126726]  ? mark_held_locks+0xc7/0x130
[  256.129136] = 25244kB
[  256.133197]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.135152] Node 0 
[  256.139308]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.141693] Normal: 
[  256.146193]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.148406] 719*4kB 
[  256.152946]  ? lockdep_hardirqs_on+0x296/0x5b0
[  256.155244] (UMEH) 
[  256.159478]  ? trace_hardirqs_on+0xbd/0x310
[  256.161780] 258*8kB 
[  256.166365]  ? kasan_check_read+0x11/0x20
[  256.166383]  ? __run_timers+0x7da/0xc70
[  256.168591] (UME) 197*16kB 
[  256.172914]  ? trace_hardirqs_off_caller+0x310/0x310
[  256.175214] (UME) 
[  256.179356]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.183307] 98*32kB 
[  256.186236]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.191312] (UME) 
[  256.193457]  __run_timers+0x7e5/0xc70
[  256.197663] 44*64kB 
[  256.199987]  ? timer_fixup_init+0x70/0x70
[  256.204186] (UM) 
[  256.206334]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  256.210113] 0*128kB 
[  256.212427]  ? zap_class+0x640/0x640
[  256.216557] 0*256kB 
[  256.218619]  ? print_usage_bug+0xc0/0xc0
[  256.223611] 0*512kB 
[  256.225935]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  256.229620] 0*1024kB 
[  256.231951]  ? find_held_lock+0x36/0x1c0
[  256.235971] 0*2048kB 
[  256.238293]  ? zap_class+0x640/0x640
[  256.243456] 0*4096kB 
[  256.245860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.249893] = 14044kB
[  256.252296]  ? check_preemption_disabled+0x48/0x280
[  256.255988] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  256.258395]  ? __lock_is_held+0xb5/0x140
[  256.263908] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  256.266314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.271307] 4793 total pagecache pages
[  256.280138]  ? check_preemption_disabled+0x48/0x280
[  256.284183] 0 pages in swap cache
[  256.292752]  run_timer_softirq+0x52/0xb0
[  256.298271] Swap cache stats: add 0, delete 0, find 0/0
[  256.302151]  ? rcu_read_lock_sched_held+0x14f/0x180
[  256.307148] Free swap  = 0kB
[  256.310605]  __do_softirq+0x308/0xb7e
[  256.314644] Total swap = 0kB
[  256.319999]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  256.324989] 1965979 pages RAM
[  256.328004]  ? lock_downgrade+0x900/0x900
[  256.331777] 0 pages HighMem/MovableOnly
[  256.331785] 342867 pages reserved
[  256.334802]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  256.339276] 0 pages cma reserved
[  256.342381]  ? pvclock_read_flags+0x160/0x160
[  256.346578] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  256.350467]  ? lapic_next_event+0x5a/0x90
[  256.353948] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  256.358993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.362338] syz-executor4 cpuset=
[  256.366832]  ? kvm_clock_read+0x18/0x30
[  256.373300] syz4
[  256.377444]  ? kvm_sched_clock_read+0x9/0x20
[  256.387906]  mems_allowed=0
[  256.393446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.415644]  ? check_preemption_disabled+0x48/0x280
[  256.420675]  irq_exit+0x17f/0x1c0
[  256.424137]  smp_apic_timer_interrupt+0x1cb/0x760
[  256.428987]  ? smp_reschedule_interrupt+0x109/0x650
[  256.434502]  ? smp_call_function_single_interrupt+0x650/0x650
[  256.440392]  ? interrupt_entry+0xb5/0xc0
[  256.444456]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.449472]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.454494]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.459340]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.464357]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.469374]  ? task_prio+0x50/0x50
[  256.472916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.478464]  ? check_preemption_disabled+0x48/0x280
[  256.483489]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.488344]  apic_timer_interrupt+0xf/0x20
[  256.492576]  </IRQ>
[  256.494813] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  256.500004] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  256.518900] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  256.526614] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  256.533880] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  256.541145] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  256.548418] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  256.555683] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  256.562986]  retint_kernel+0x1b/0x2d
[  256.566705] RIP: 0010:dump_stack+0x358/0x39d
[  256.571117] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  256.590015] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  256.597724] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  256.604988] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  256.612257] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  256.619527] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  256.626792] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  256.634080]  ? dump_stack+0x34f/0x39d
[  256.637893]  ? dump_stack_print_info.cold.1+0x20/0x20
[  256.643099]  dump_header+0x27b/0xf72
[  256.646828]  ? mark_held_locks+0x130/0x130
[  256.651063]  ? pagefault_out_of_memory+0x197/0x197
[  256.656004]  ? __lock_acquire+0x62f/0x4c20
[  256.660236]  ? zap_class+0x640/0x640
[  256.663954]  ? percpu_ref_get_many+0x240/0x240
[  256.668539]  ? print_usage_bug+0xc0/0xc0
[  256.672602]  ? print_usage_bug+0xc0/0xc0
[  256.676672]  ? zap_class+0x640/0x640
[  256.680396]  ? print_usage_bug+0xc0/0xc0
[  256.684458]  ? print_usage_bug+0xc0/0xc0
[  256.688529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.694075]  ? find_held_lock+0x36/0x1c0
[  256.698182]  ? mark_held_locks+0xc7/0x130
[  256.702337]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  256.707440]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  256.712550]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  256.717139]  ? trace_hardirqs_on+0xbd/0x310
[  256.721475]  ? kasan_check_read+0x11/0x20
[  256.725626]  ? ___ratelimit+0x3b4/0x672
[  256.729603]  ? trace_hardirqs_off_caller+0x310/0x310
[  256.734706]  ? trace_hardirqs_on+0x310/0x310
[  256.739115]  ? lock_downgrade+0x900/0x900
[  256.743273]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  256.748378]  ? ___ratelimit+0x3b9/0x672
[  256.752354]  ? idr_get_free+0xec0/0xec0
[  256.756327]  ? find_held_lock+0x36/0x1c0
[  256.760401]  oom_kill_process.cold.27+0x10/0x903
[  256.765173]  ? zap_class+0x640/0x640
[  256.768888]  ? check_preemption_disabled+0x48/0x280
[  256.773916]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  256.778855]  ? kasan_check_read+0x11/0x20
[  256.783003]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.788284]  ? oom_evaluate_task+0x540/0x540
[  256.792696]  ? find_held_lock+0x36/0x1c0
[  256.796769]  ? out_of_memory+0x974/0x1430
[  256.800925]  ? lock_downgrade+0x900/0x900
[  256.805078]  ? check_preemption_disabled+0x48/0x280
[  256.810102]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  256.815034]  ? kasan_check_read+0x11/0x20
[  256.819194]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.824474]  ? rcu_softirq_qs+0x20/0x20
[  256.828453]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.833990]  ? oom_evaluate_task+0x302/0x540
[  256.838406]  out_of_memory+0xa84/0x1430
[  256.842392]  ? oom_killer_disable+0x3a0/0x3a0
[  256.846890]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  256.851826]  ? __mutex_add_waiter+0x2a0/0x2a0
[  256.856334]  __alloc_pages_slowpath+0x22d4/0x2d70
[  256.861216]  ? warn_alloc+0x120/0x120
[  256.865036]  ? rcu_softirq_qs+0x20/0x20
[  256.869041]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.874580]  ? should_fail+0x22d/0xd01
[  256.878474]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.883585]  ? zap_class+0x640/0x640
[  256.887328]  ? __lock_is_held+0xb5/0x140
[  256.891400]  ? mark_held_locks+0x130/0x130
[  256.895639]  ? lock_release+0xa00/0xa00
[  256.899615]  ? perf_trace_sched_process_exec+0x860/0x860
[  256.905082]  ? __might_sleep+0x95/0x190
[  256.909065]  __alloc_pages_nodemask+0xa80/0xde0
[  256.913748]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  256.918766]  ? __page_cache_alloc+0x191/0x5c0
[  256.923267]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  256.928199]  ? kasan_check_read+0x11/0x20
[  256.932349]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.937628]  ? zap_class+0x640/0x640
[  256.941351]  ? zap_class+0x640/0x640
[  256.945066]  ? zap_class+0x640/0x640
[  256.948780]  ? __do_page_cache_readahead+0x7ce/0x980
[  256.953892]  ? find_held_lock+0x36/0x1c0
[  256.957968]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  256.963516]  alloc_pages_current+0x173/0x350
[  256.967942]  __page_cache_alloc+0x38c/0x5c0
[  256.972267]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  256.977197]  ? kasan_check_read+0x11/0x20
[  256.981380]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.986662]  ? generic_perform_write+0x6a0/0x6a0
[  256.991420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.996981]  ? check_preemption_disabled+0x48/0x280
[  257.002018]  filemap_fault+0x1594/0x25f0
[  257.006097]  ? __lock_page_or_retry+0xa00/0xa00
[  257.010767]  ? mark_held_locks+0x130/0x130
[  257.015007]  ? rcu_softirq_qs+0x20/0x20
[  257.019009]  ? filemap_map_pages+0xe04/0x1990
[  257.023548]  ? __free_object+0x173/0x340
[  257.027613]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  257.032547]  ? trace_hardirqs_off_caller+0x310/0x310
[  257.037650]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  257.042338]  ? debug_object_free+0x32d/0x690
[  257.046747]  ? kasan_check_read+0x11/0x20
[  257.050898]  ? debug_object_destroy+0x2b0/0x2b0
[  257.055575]  ? lock_pi_update_atomic+0x150/0x150
[  257.060332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.065870]  ? __hrtimer_init+0xdb/0x240
[  257.069954]  ? lock_acquire+0x1ed/0x520
[  257.073933]  ? ext4_filemap_fault+0x7a/0xad
[  257.078262]  ? lock_release+0xa00/0xa00
[  257.082235]  ? perf_trace_sched_process_exec+0x860/0x860
[  257.087688]  ? print_usage_bug+0xc0/0xc0
[  257.091755]  ? print_usage_bug+0xc0/0xc0
[  257.095834]  ? down_read+0x8d/0x120
[  257.099464]  ? ext4_filemap_fault+0x7a/0xad
[  257.103787]  ? __down_interruptible+0x700/0x700
[  257.108467]  ext4_filemap_fault+0x82/0xad
[  257.112634]  __do_fault+0x100/0x6b0
[  257.116261]  ? find_held_lock+0x36/0x1c0
[  257.120332]  ? pmd_devmap_trans_unstable+0x220/0x220
[  257.125447]  ? mark_held_locks+0x130/0x130
[  257.129689]  ? mark_held_locks+0x130/0x130
[  257.133940]  ? kasan_check_read+0x11/0x20
[  257.138091]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.143639]  __handle_mm_fault+0x307c/0x5920
[  257.148048]  ? perf_trace_lock+0x7a0/0x7a0
[  257.152291]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  257.157147]  ? __switch_to_asm+0x34/0x70
[  257.161219]  ? __switch_to_asm+0x34/0x70
[  257.165300]  ? zap_class+0x640/0x640
[  257.169013]  ? zap_class+0x640/0x640
[  257.172728]  ? __x64_sys_futex+0x53e/0x6a0
[  257.176994]  ? find_held_lock+0x36/0x1c0
[  257.181071]  ? handle_mm_fault+0x42a/0xc70
[  257.185308]  ? lock_downgrade+0x900/0x900
[  257.189459]  ? check_preemption_disabled+0x48/0x280
[  257.194483]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  257.199413]  ? kasan_check_read+0x11/0x20
[  257.203567]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.208847]  ? rcu_softirq_qs+0x20/0x20
[  257.212824]  ? trace_hardirqs_off_caller+0x310/0x310
[  257.217961]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.223499]  ? check_preemption_disabled+0x48/0x280
[  257.228524]  handle_mm_fault+0x54f/0xc70
[  257.232591]  ? __handle_mm_fault+0x5920/0x5920
[  257.237189]  ? find_vma+0x34/0x190
[  257.240739]  __do_page_fault+0x5e8/0xe60
[  257.244807]  ? trace_hardirqs_off+0xb8/0x310
[  257.249228]  do_page_fault+0xf2/0x7e0
[  257.253030]  ? vmalloc_sync_all+0x30/0x30
[  257.257191]  ? error_entry+0x70/0xd0
[  257.260915]  ? trace_hardirqs_off_caller+0xbb/0x310
[  257.265941]  ? trace_hardirqs_on_caller+0xc0/0x310
[  257.270873]  ? syscall_return_slowpath+0x5e0/0x5e0
[  257.275821]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.280666]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.285686]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  257.291150]  ? prepare_exit_to_usermode+0x291/0x3b0
[  257.296192]  ? page_fault+0x8/0x30
[  257.299980]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.304830]  ? page_fault+0x8/0x30
[  257.308372]  page_fault+0x1e/0x30
[  257.311824] RIP: 0033:0x40f9c0
[  257.315031] Code: Bad RIP value.
[  257.318392] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  257.323760] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  257.331025] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  257.338290] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  257.345556] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  257.352826] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  257.360127] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  257.360201] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  257.367153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  257.367168] Call Trace:
[  257.367175]  <IRQ>
[  257.367195]  dump_stack+0x244/0x39d
[  257.367213]  ? dump_stack_print_info.cold.1+0x20/0x20
[  257.373740] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  257.383048]  warn_alloc.cold.117+0xb7/0x1bd
[  257.385604] syz-fuzzer cpuset=
[  257.387749]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  257.391350] /
[  257.396538]  ? lock_downgrade+0x900/0x900
[  257.406740]  mems_allowed=0
[  257.427835]  ? trace_hardirqs_off+0xb8/0x310
[  257.432259]  ? trace_hardirqs_off+0xb8/0x310
[  257.436681]  __alloc_pages_slowpath+0x2660/0x2d70
[  257.441556]  ? warn_alloc+0x120/0x120
[  257.445360]  ? zap_class+0x640/0x640
[  257.449079]  ? warn_alloc+0x120/0x120
[  257.452887]  ? print_usage_bug+0xc0/0xc0
[  257.456947]  ? warn_alloc+0x120/0x120
[  257.460757]  ? print_usage_bug+0xc0/0xc0
[  257.464820]  ? __lock_acquire+0x62f/0x4c20
[  257.469060]  ? __lock_acquire+0x62f/0x4c20
[  257.473301]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.478836]  ? should_fail+0x22d/0xd01
[  257.482726]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.487829]  ? __lock_acquire+0x62f/0x4c20
[  257.492068]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.497206]  ? __lock_acquire+0x62f/0x4c20
[  257.501459]  ? should_fail+0x22d/0xd01
[  257.505346]  ? find_held_lock+0x36/0x1c0
[  257.509426]  ? mark_held_locks+0x130/0x130
[  257.513671]  ? mark_held_locks+0x130/0x130
[  257.517905]  ? zap_class+0x640/0x640
[  257.521627]  ? zap_class+0x640/0x640
[  257.525347]  ? print_usage_bug+0xc0/0xc0
[  257.529447]  ? do_raw_spin_unlock+0xa7/0x330
[  257.533858]  ? zap_class+0x640/0x640
[  257.537573]  ? print_usage_bug+0xc0/0xc0
[  257.541646]  ? wq_watchdog_touch+0x9c/0xfe
[  257.545884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.551429]  ? check_preemption_disabled+0x48/0x280
[  257.556458]  ? __lock_is_held+0xb5/0x140
[  257.560527]  __alloc_pages_nodemask+0xa80/0xde0
[  257.565206]  ? zap_class+0x640/0x640
[  257.568935]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  257.573965]  ? find_held_lock+0x36/0x1c0
[  257.578039]  ? ____cache_alloc_node+0x1c7/0x1e0
[  257.582711]  ? lock_downgrade+0x900/0x900
[  257.586868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.592415]  cache_grow_begin+0xa5/0x8c0
[  257.596482]  ? do_raw_spin_unlock+0xa7/0x330
[  257.600902]  fallback_alloc+0x204/0x2e0
[  257.604884]  ____cache_alloc_node+0x1c7/0x1e0
[  257.609387]  kmem_cache_alloc_node+0xe3/0x730
[  257.613897]  ? ipv6_get_ifaddr+0x42e/0x620
[  257.618146]  __alloc_skb+0x119/0x770
[  257.621961]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.627247]  ? netdev_alloc_frag+0x1f0/0x1f0
[  257.631662]  ? lock_downgrade+0x900/0x900
[  257.635822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.641360]  ? refcount_sub_and_test_checked+0x203/0x310
[  257.646819]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  257.652276]  ? addrconf_rs_timer+0x690/0x690
[  257.656701]  ndisc_alloc_skb+0x144/0x340
[  257.660779]  ndisc_send_rs+0x331/0x6e0
[  257.664676]  addrconf_rs_timer+0x314/0x690
[  257.668920]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.673180]  call_timer_fn+0x272/0x920
[  257.677075]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.681343]  ? process_timeout+0x40/0x40
[  257.685426]  ? __run_timers+0x7da/0xc70
[  257.689406]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.693909]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.698405]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.702651]  ? lockdep_hardirqs_on+0x296/0x5b0
[  257.707235]  ? trace_hardirqs_on+0xbd/0x310
[  257.711559]  ? kasan_check_read+0x11/0x20
[  257.715713]  ? __run_timers+0x7da/0xc70
[  257.719694]  ? trace_hardirqs_off_caller+0x310/0x310
[  257.724807]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.729056]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.733294]  __run_timers+0x7e5/0xc70
[  257.737109]  ? timer_fixup_init+0x70/0x70
[  257.741258]  ? kasan_check_read+0x11/0x20
[  257.745410]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.750711]  ? rcu_softirq_qs+0x20/0x20
[  257.754694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.760234]  ? check_preemption_disabled+0x48/0x280
[  257.765259]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  257.770038]  ? retint_kernel+0x2d/0x2d
[  257.773932]  ? trace_hardirqs_on_caller+0xc0/0x310
[  257.778866]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  257.783626]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  257.789079]  ? zap_class+0x640/0x640
[  257.792800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.798341]  ? check_preemption_disabled+0x48/0x280
[  257.803368]  ? __lock_is_held+0xb5/0x140
[  257.807437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.812977]  ? check_preemption_disabled+0x48/0x280
[  257.818002]  run_timer_softirq+0x52/0xb0
[  257.822063]  ? rcu_read_lock_sched_held+0x14f/0x180
[  257.827082]  __do_softirq+0x308/0xb7e
[  257.830889]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  257.835385]  ? lock_downgrade+0x900/0x900
[  257.839539]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  257.844649]  ? pvclock_read_flags+0x160/0x160
[  257.849150]  ? lapic_next_event+0x5a/0x90
[  257.853315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.858863]  ? kvm_clock_read+0x18/0x30
[  257.862863]  ? kvm_sched_clock_read+0x9/0x20
[  257.867277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.872814]  ? check_preemption_disabled+0x48/0x280
[  257.877844]  irq_exit+0x17f/0x1c0
[  257.881303]  smp_apic_timer_interrupt+0x1cb/0x760
[  257.886143]  ? smp_call_function_single_interrupt+0x159/0x650
[  257.892040]  ? smp_call_function_single_interrupt+0x650/0x650
[  257.897927]  ? interrupt_entry+0xb5/0xc0
[  257.901991]  ? trace_hardirqs_off_caller+0xbb/0x310
[  257.907007]  ? trace_hardirqs_off_caller+0xbb/0x310
[  257.912030]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.916874]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.921891]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.926911]  ? task_prio+0x50/0x50
[  257.930459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.935998]  ? check_preemption_disabled+0x48/0x280
[  257.941020]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.945875]  apic_timer_interrupt+0xf/0x20
[  257.950107]  </IRQ>
[  257.952346] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  257.957275] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  257.976360] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  257.984074] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  257.991341] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  257.998606] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  258.005872] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  258.013140] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  258.020474]  skb_clone+0x1bb/0x500
[  258.024021]  ? skb_split+0x11e0/0x11e0
[  258.027913]  ? check_preemption_disabled+0x48/0x280
[  258.032943]  ? __this_cpu_preempt_check+0x1c/0x20
[  258.037799]  ? __bpf_redirect+0x54b/0xb20
[  258.041965]  bpf_clone_redirect+0xb9/0x490
[  258.046241]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  258.051269]  ? __sched_text_start+0x8/0x8
[  258.055426]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  258.060193]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  258.064781]  ? retint_kernel+0x2d/0x2d
[  258.068677]  ? find_held_lock+0x36/0x1c0
[  258.072746]  ? lock_acquire+0x1ed/0x520
[  258.076720]  ? bpf_test_run+0x3cb/0x780
[  258.080699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.086241]  ? check_preemption_disabled+0x48/0x280
[  258.091267]  ? kasan_check_read+0x11/0x20
[  258.095419]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.100706]  ? rcu_softirq_qs+0x20/0x20
[  258.104682]  ? preempt_schedule+0x4d/0x60
[  258.108833]  ? ___preempt_schedule+0x16/0x18
[  258.113252]  ? bpf_test_run+0x25d/0x780
[  258.117240]  ? netlink_diag_dump+0x2a0/0x2a0
[  258.121655]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.127201]  ? bpf_test_init.isra.10+0x70/0x100
[  258.131880]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  258.136649]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  258.141492]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  258.147029]  ? fput+0x130/0x1a0
[  258.150314]  ? __bpf_prog_get+0x9b/0x290
[  258.154380]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  258.159224]  ? bpf_prog_test_run+0x130/0x1a0
[  258.163637]  ? __x64_sys_bpf+0x3d8/0x520
[  258.167698]  ? bpf_prog_get+0x20/0x20
[  258.171518]  ? do_syscall_64+0x1b9/0x820
[  258.175586]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  258.180952]  ? syscall_return_slowpath+0x5e0/0x5e0
[  258.185885]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.190738]  ? trace_hardirqs_on_caller+0x310/0x310
[  258.195777]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  258.200798]  ? prepare_exit_to_usermode+0x291/0x3b0
[  258.205822]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.210674]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  258.216055] warn_alloc_show_mem: 1 callbacks suppressed
[  258.216067] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  258.216069] Mem-Info:
[  258.216100] active_anon:56297 inactive_anon:436 isolated_anon:0
[  258.216100]  active_file:15 inactive_file:14 isolated_file:0
[  258.216100]  unevictable:0 dirty:0 writeback:0 unstable:0
[  258.216100]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  258.216100]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  258.216100]  free:13786 free_pcp:429 free_cma:0
[  258.221444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  258.228116] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  258.230516] Call Trace:
[  258.263473] Node 0 
[  258.272821]  <IRQ>
[  258.300590] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  258.303153]  dump_stack+0x244/0x39d
[  258.305364] lowmem_reserve[]: 0
[  258.307523]  ? dump_stack_print_info.cold.1+0x20/0x20
[  258.333000]  2818 6321
[  258.336660]  warn_alloc.cold.117+0xb7/0x1bd
[  258.339895]  6321
[  258.345085]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  258.351882]  ? lock_downgrade+0x900/0x900
[  258.353928] Node 0 
[  258.358771]  ? trace_hardirqs_off+0xb8/0x310
[  258.362916] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  258.365127]  ? trace_hardirqs_off+0xb8/0x310
[  258.369508] lowmem_reserve[]: 0
[  258.396265]  __alloc_pages_slowpath+0x2660/0x2d70
[  258.400645]  0
[  258.403950]  ? warn_alloc+0x120/0x120
[  258.408731]  3503 3503
[  258.410541]  ? warn_alloc+0x120/0x120
[  258.416830]  ? print_usage_bug+0xc0/0xc0
[  258.420603] Node 0 
[  258.424653]  ? warn_alloc+0x120/0x120
[  258.424685] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  258.424692] lowmem_reserve[]:
[  258.426933]  ? print_usage_bug+0xc0/0xc0
[  258.430941]  0
[  258.459447]  ? __lock_acquire+0x62f/0x4c20
[  258.462529]  0
[  258.466582]  ? __lock_acquire+0x62f/0x4c20
[  258.468361]  0
[  258.472590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.474364]  0
[  258.478592]  ? should_fail+0x22d/0xd01
[  258.485899]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.487697] Node 0 
[  258.491580]  ? __lock_acquire+0x62f/0x4c20
[  258.496659] DMA: 
[  258.498889]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.503099] 1*4kB 
[  258.505153]  ? __lock_acquire+0x62f/0x4c20
[  258.510235] (U) 
[  258.512379]  ? should_fail+0x22d/0xd01
[  258.516589] 0*8kB 
[  258.518583]  ? find_held_lock+0x36/0x1c0
[  258.522442] 0*16kB 1*32kB 
[  258.524600]  ? mark_held_locks+0x130/0x130
[  258.528631] (U) 
[  258.531470]  ? mark_held_locks+0x130/0x130
[  258.535678] 2*64kB 
[  258.537650]  ? zap_class+0x640/0x640
[  258.541860] (U) 
[  258.544092]  ? zap_class+0x640/0x640
[  258.547782] 1*128kB 
[  258.549749]  ? print_usage_bug+0xc0/0xc0
[  258.553443] (U) 
[  258.555759]  ? do_raw_spin_unlock+0xa7/0x330
[  258.559799] 1*256kB 
[  258.561768]  ? zap_class+0x640/0x640
[  258.566153] (U) 
[  258.568476]  ? print_usage_bug+0xc0/0xc0
[  258.572173] 0*512kB 
[  258.574142]  ? wq_watchdog_touch+0x9c/0xfe
[  258.578183] 1*1024kB 
[  258.580504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.584712] (U) 
[  258.587123]  ? check_preemption_disabled+0x48/0x280
[  258.592635] 1*2048kB 
[  258.594611]  ? __lock_is_held+0xb5/0x140
[  258.599593] (M) 
[  258.602005]  __alloc_pages_nodemask+0xa80/0xde0
[  258.606039] 3*4096kB 
[  258.608007]  ? zap_class+0x640/0x640
[  258.612649] (M) 
[  258.615058]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  258.618743] = 15908kB
[  258.620720]  ? find_held_lock+0x36/0x1c0
[  258.625702] Node 0 
[  258.628171]  ? ____cache_alloc_node+0x1c7/0x1e0
[  258.632203] DMA32: 
[  258.634442]  ? lock_downgrade+0x900/0x900
[  258.639089] 5*4kB 
[  258.641327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.645447] (UM) 
[  258.647597]  cache_grow_begin+0xa5/0x8c0
[  258.653108] 1*8kB 
[  258.655172]  ? do_raw_spin_unlock+0xa7/0x330
[  258.659211] (U) 
[  258.661363]  fallback_alloc+0x204/0x2e0
[  258.665758] 2*16kB 
[  258.667737]  ____cache_alloc_node+0x1c7/0x1e0
[  258.671683] (M) 
[  258.673917]  kmem_cache_alloc_node+0xe3/0x730
[  258.678389] 1*32kB 
[  258.680362]  ? ipv6_get_ifaddr+0x42e/0x620
[  258.684833] (M) 
[  258.687068]  __alloc_skb+0x119/0x770
[  258.691275] 3*64kB 
[  258.693246]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.696934] (M) 
[  258.699177]  ? netdev_alloc_frag+0x1f0/0x1f0
[  258.704428] 5*128kB 
[  258.706397]  ? lock_downgrade+0x900/0x900
[  258.710781] (UM) 
[  258.713101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.717221] 3*256kB 
[  258.719284]  ? refcount_sub_and_test_checked+0x203/0x310
[  258.724793] (M) 
[  258.727113]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  258.732535] 4*512kB 
[  258.734502]  ? addrconf_rs_timer+0x690/0x690
[  258.739924] (UM) 3*1024kB 
[  258.742263]  ndisc_alloc_skb+0x144/0x340
[  258.746636] (UM) 
[  258.749478]  ndisc_send_rs+0x331/0x6e0
[  258.753517] 3*2048kB 
[  258.755577]  addrconf_rs_timer+0x314/0x690
[  258.759439] (UM) 
[  258.761844]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.766055] 3*4096kB 
[  258.768124]  call_timer_fn+0x272/0x920
[  258.772322] (M) 
[  258.774727]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.778589] = 25244kB
[  258.780562]  ? process_timeout+0x40/0x40
[  258.784770] Node 0 
[  258.787192]  ? mark_held_locks+0xc7/0x130
[  258.791227] Normal: 
[  258.793460]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.797594] 719*4kB 
[  258.799912]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.804408] (UMEH) 
[  258.806726]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.811201] 258*8kB 
[  258.813430]  ? lockdep_hardirqs_on+0x296/0x5b0
[  258.817642] (UME) 
[  258.819962]  ? trace_hardirqs_on+0xbd/0x310
[  258.824519] 197*16kB 
[  258.826665]  ? kasan_check_read+0x11/0x20
[  258.830956] (UME) 
[  258.833367]  ? __run_timers+0x7da/0xc70
[  258.837486] 98*32kB 
[  258.839632]  ? trace_hardirqs_off_caller+0x310/0x310
[  258.843582] (UME) 
[  258.845908]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.850984] 44*64kB 
[  258.853131]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.857339] (UM) 
[  258.859662]  __run_timers+0x7e5/0xc70
[  258.863870] 0*128kB 
[  258.865940]  ? timer_fixup_init+0x70/0x70
[  258.869702] 0*256kB 
[  258.872019]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  258.876143] 0*512kB 
[  258.878466]  ? zap_class+0x640/0x640
[  258.883459] 0*1024kB 
[  258.885779]  ? print_usage_bug+0xc0/0xc0
[  258.889468] 0*2048kB 
[  258.891876]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  258.895911] 0*4096kB 
[  258.898321]  ? find_held_lock+0x36/0x1c0
[  258.903483] = 14044kB
[  258.905888]  ? zap_class+0x640/0x640
[  258.909945] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  258.912349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.916042] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  258.924868]  ? check_preemption_disabled+0x48/0x280
[  258.930383] 4793 total pagecache pages
[  258.938957]  ? __lock_is_held+0xb5/0x140
[  258.943951] 0 pages in swap cache
[  258.947827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.951868] Swap cache stats: add 0, delete 0, find 0/0
[  258.955309]  ? check_preemption_disabled+0x48/0x280
[  258.960820] Free swap  = 0kB
[  258.966185]  run_timer_softirq+0x52/0xb0
[  258.971182] Total swap = 0kB
[  258.974203]  ? rcu_read_lock_sched_held+0x14f/0x180
[  258.978241] 1965979 pages RAM
[  258.981255]  __do_softirq+0x308/0xb7e
[  258.986241] 0 pages HighMem/MovableOnly
[  258.986250] 342867 pages reserved
[  258.989355]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  258.993133] 0 pages cma reserved
[  258.997104]  ? lock_downgrade+0x900/0x900
[  259.000651] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  259.005046]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  259.008488] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  259.012539]  ? pvclock_read_flags+0x160/0x160
[  259.019005] syz-executor4 cpuset=
[  259.024105]  ? lapic_next_event+0x5a/0x90
[  259.034565] syz4
[  259.039075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.042523]  mems_allowed=0
[  259.046666]  ? kvm_clock_read+0x18/0x30
[  259.061035]  ? kvm_sched_clock_read+0x9/0x20
[  259.065447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.070990]  ? check_preemption_disabled+0x48/0x280
[  259.076021]  irq_exit+0x17f/0x1c0
[  259.079479]  smp_apic_timer_interrupt+0x1cb/0x760
[  259.084319]  ? smp_reschedule_interrupt+0x109/0x650
[  259.089342]  ? smp_call_function_single_interrupt+0x650/0x650
[  259.095231]  ? interrupt_entry+0xb5/0xc0
[  259.099300]  ? trace_hardirqs_off_caller+0xbb/0x310
[  259.104315]  ? trace_hardirqs_off_caller+0xbb/0x310
[  259.109340]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.114191]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.119208]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.124228]  ? task_prio+0x50/0x50
[  259.127773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.133316]  ? check_preemption_disabled+0x48/0x280
[  259.138340]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.143201]  apic_timer_interrupt+0xf/0x20
[  259.147435]  </IRQ>
[  259.149680] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  259.154874] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  259.173773] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  259.181484] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  259.188754] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  259.196020] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  259.203289] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  259.210558] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  259.217865]  retint_kernel+0x1b/0x2d
[  259.221582] RIP: 0010:dump_stack+0x358/0x39d
[  259.225992] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  259.244890] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  259.252602] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  259.259868] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  259.267134] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  259.274416] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  259.281684] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  259.288976]  ? dump_stack+0x34f/0x39d
[  259.292790]  ? dump_stack_print_info.cold.1+0x20/0x20
[  259.298226]  dump_header+0x27b/0xf72
[  259.301954]  ? mark_held_locks+0x130/0x130
[  259.306200]  ? pagefault_out_of_memory+0x197/0x197
[  259.311140]  ? __lock_acquire+0x62f/0x4c20
[  259.315387]  ? zap_class+0x640/0x640
[  259.319103]  ? percpu_ref_get_many+0x240/0x240
[  259.323686]  ? print_usage_bug+0xc0/0xc0
[  259.327753]  ? print_usage_bug+0xc0/0xc0
[  259.331822]  ? zap_class+0x640/0x640
[  259.335542]  ? print_usage_bug+0xc0/0xc0
[  259.339604]  ? print_usage_bug+0xc0/0xc0
[  259.343676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.349218]  ? find_held_lock+0x36/0x1c0
[  259.353289]  ? mark_held_locks+0xc7/0x130
[  259.357443]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  259.362567]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  259.367677]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  259.372268]  ? trace_hardirqs_on+0xbd/0x310
[  259.376765]  ? kasan_check_read+0x11/0x20
[  259.380917]  ? ___ratelimit+0x3b4/0x672
[  259.384899]  ? trace_hardirqs_off_caller+0x310/0x310
[  259.390008]  ? trace_hardirqs_on+0x310/0x310
[  259.394417]  ? lock_downgrade+0x900/0x900
[  259.398574]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  259.403682]  ? ___ratelimit+0x3b9/0x672
[  259.407663]  ? idr_get_free+0xec0/0xec0
[  259.411641]  ? find_held_lock+0x36/0x1c0
[  259.415721]  oom_kill_process.cold.27+0x10/0x903
[  259.420493]  ? zap_class+0x640/0x640
[  259.424216]  ? check_preemption_disabled+0x48/0x280
[  259.429241]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  259.434669]  ? kasan_check_read+0x11/0x20
[  259.438821]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.444111]  ? oom_evaluate_task+0x540/0x540
[  259.448527]  ? find_held_lock+0x36/0x1c0
[  259.452607]  ? out_of_memory+0x974/0x1430
[  259.456761]  ? lock_downgrade+0x900/0x900
[  259.460914]  ? check_preemption_disabled+0x48/0x280
[  259.465954]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  259.470893]  ? kasan_check_read+0x11/0x20
[  259.475057]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.480338]  ? rcu_softirq_qs+0x20/0x20
[  259.484325]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.489866]  ? oom_evaluate_task+0x302/0x540
[  259.494281]  out_of_memory+0xa84/0x1430
[  259.498271]  ? oom_killer_disable+0x3a0/0x3a0
[  259.502767]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  259.507701]  ? __mutex_add_waiter+0x2a0/0x2a0
[  259.512215]  __alloc_pages_slowpath+0x22d4/0x2d70
[  259.517093]  ? warn_alloc+0x120/0x120
[  259.520899]  ? rcu_softirq_qs+0x20/0x20
[  259.524911]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.530453]  ? should_fail+0x22d/0xd01
[  259.534345]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.539458]  ? zap_class+0x640/0x640
[  259.543719]  ? __lock_is_held+0xb5/0x140
[  259.547791]  ? mark_held_locks+0x130/0x130
[  259.552030]  ? lock_release+0xa00/0xa00
[  259.556007]  ? perf_trace_sched_process_exec+0x860/0x860
[  259.561512]  ? __might_sleep+0x95/0x190
[  259.565500]  __alloc_pages_nodemask+0xa80/0xde0
[  259.570190]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  259.575213]  ? __page_cache_alloc+0x191/0x5c0
[  259.579714]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  259.584645]  ? kasan_check_read+0x11/0x20
[  259.588796]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.594078]  ? zap_class+0x640/0x640
[  259.597803]  ? zap_class+0x640/0x640
[  259.601516]  ? zap_class+0x640/0x640
[  259.605233]  ? __do_page_cache_readahead+0x7ce/0x980
[  259.610341]  ? find_held_lock+0x36/0x1c0
[  259.614414]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  259.619966]  alloc_pages_current+0x173/0x350
[  259.624386]  __page_cache_alloc+0x38c/0x5c0
[  259.628714]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  259.633647]  ? kasan_check_read+0x11/0x20
[  259.637804]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.643087]  ? generic_perform_write+0x6a0/0x6a0
[  259.647847]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.653388]  ? check_preemption_disabled+0x48/0x280
[  259.658428]  filemap_fault+0x1594/0x25f0
[  259.662505]  ? __lock_page_or_retry+0xa00/0xa00
[  259.667186]  ? mark_held_locks+0x130/0x130
[  259.671427]  ? rcu_softirq_qs+0x20/0x20
[  259.675420]  ? filemap_map_pages+0xe04/0x1990
[  259.679937]  ? __free_object+0x173/0x340
[  259.684009]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  259.688949]  ? trace_hardirqs_off_caller+0x310/0x310
[  259.694060]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  259.698748]  ? debug_object_free+0x32d/0x690
[  259.703173]  ? kasan_check_read+0x11/0x20
[  259.707331]  ? debug_object_destroy+0x2b0/0x2b0
[  259.712010]  ? lock_pi_update_atomic+0x150/0x150
[  259.716773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.722328]  ? __hrtimer_init+0xdb/0x240
[  259.726411]  ? lock_acquire+0x1ed/0x520
[  259.730391]  ? ext4_filemap_fault+0x7a/0xad
[  259.734724]  ? lock_release+0xa00/0xa00
[  259.738703]  ? perf_trace_sched_process_exec+0x860/0x860
[  259.744167]  ? print_usage_bug+0xc0/0xc0
[  259.748236]  ? print_usage_bug+0xc0/0xc0
[  259.752318]  ? down_read+0x8d/0x120
[  259.755951]  ? ext4_filemap_fault+0x7a/0xad
[  259.760273]  ? __down_interruptible+0x700/0x700
[  259.764956]  ext4_filemap_fault+0x82/0xad
[  259.769107]  __do_fault+0x100/0x6b0
[  259.772732]  ? find_held_lock+0x36/0x1c0
[  259.776799]  ? pmd_devmap_trans_unstable+0x220/0x220
[  259.781910]  ? mark_held_locks+0x130/0x130
[  259.786156]  ? mark_held_locks+0x130/0x130
[  259.790414]  ? kasan_check_read+0x11/0x20
[  259.794566]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.800114]  __handle_mm_fault+0x307c/0x5920
[  259.804523]  ? perf_trace_lock+0x7a0/0x7a0
[  259.808771]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  259.813628]  ? __switch_to_asm+0x34/0x70
[  259.817691]  ? __switch_to_asm+0x34/0x70
[  259.821771]  ? zap_class+0x640/0x640
[  259.825486]  ? zap_class+0x640/0x640
[  259.829201]  ? __x64_sys_futex+0x53e/0x6a0
[  259.833443]  ? find_held_lock+0x36/0x1c0
[  259.837517]  ? handle_mm_fault+0x42a/0xc70
[  259.841758]  ? lock_downgrade+0x900/0x900
[  259.845907]  ? check_preemption_disabled+0x48/0x280
[  259.850939]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  259.855869]  ? kasan_check_read+0x11/0x20
[  259.860023]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.865304]  ? rcu_softirq_qs+0x20/0x20
[  259.869281]  ? trace_hardirqs_off_caller+0x310/0x310
[  259.874395]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.879945]  ? check_preemption_disabled+0x48/0x280
[  259.884972]  handle_mm_fault+0x54f/0xc70
[  259.889053]  ? __handle_mm_fault+0x5920/0x5920
[  259.893647]  ? find_vma+0x34/0x190
[  259.897203]  __do_page_fault+0x5e8/0xe60
[  259.901269]  ? trace_hardirqs_off+0xb8/0x310
[  259.905692]  do_page_fault+0xf2/0x7e0
[  259.909494]  ? vmalloc_sync_all+0x30/0x30
[  259.913647]  ? error_entry+0x70/0xd0
[  259.917365]  ? trace_hardirqs_off_caller+0xbb/0x310
[  259.922384]  ? trace_hardirqs_on_caller+0xc0/0x310
[  259.927317]  ? syscall_return_slowpath+0x5e0/0x5e0
[  259.932248]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.937095]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.942116]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  259.947578]  ? prepare_exit_to_usermode+0x291/0x3b0
[  259.952597]  ? page_fault+0x8/0x30
[  259.956145]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.961002]  ? page_fault+0x8/0x30
[  259.964551]  page_fault+0x1e/0x30
[  259.968008] RIP: 0033:0x40f9c0
[  259.971216] Code: Bad RIP value.
[  259.974581] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  259.979947] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  259.987230] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  259.994495] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  260.001765] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  260.009033] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  260.016332] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  260.016397] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  260.023352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  260.023361] Call Trace:
[  260.029947] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  260.039282]  <IRQ>
[  260.041856] syz-fuzzer cpuset=
[  260.052079]  dump_stack+0x244/0x39d
[  260.054202] /
[  260.057390]  ? dump_stack_print_info.cold.1+0x20/0x20
[  260.060992]  mems_allowed=0
[  260.062710]  warn_alloc.cold.117+0xb7/0x1bd
[  260.075099]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  260.080210]  ? lock_downgrade+0x900/0x900
[  260.084366]  ? trace_hardirqs_off+0xb8/0x310
[  260.088782]  ? trace_hardirqs_off+0xb8/0x310
[  260.093209]  __alloc_pages_slowpath+0x2660/0x2d70
[  260.098082]  ? warn_alloc+0x120/0x120
[  260.101891]  ? warn_alloc+0x120/0x120
[  260.105696]  ? print_usage_bug+0xc0/0xc0
[  260.109761]  ? warn_alloc+0x120/0x120
[  260.113568]  ? print_usage_bug+0xc0/0xc0
[  260.117635]  ? __lock_acquire+0x62f/0x4c20
[  260.121869]  ? __lock_acquire+0x62f/0x4c20
[  260.126113]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.131648]  ? should_fail+0x22d/0xd01
[  260.135541]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.140824]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.145934]  ? __lock_acquire+0x62f/0x4c20
[  260.150187]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.155293]  ? __lock_acquire+0x62f/0x4c20
[  260.159528]  ? should_fail+0x22d/0xd01
[  260.163416]  ? rcu_irq_exit+0x1a2/0x390
[  260.167410]  ? mark_held_locks+0x130/0x130
[  260.171656]  ? mark_held_locks+0x130/0x130
[  260.175897]  ? mark_held_locks+0xc7/0x130
[  260.180049]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  260.185070]  ? zap_class+0x640/0x640
[  260.188788]  ? print_usage_bug+0xc0/0xc0
[  260.192853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.198391]  ? check_preemption_disabled+0x48/0x280
[  260.203427]  ? __lock_is_held+0xb5/0x140
[  260.207499]  __alloc_pages_nodemask+0xa80/0xde0
[  260.212176]  ? zap_class+0x640/0x640
[  260.215902]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  260.220934]  ? find_held_lock+0x36/0x1c0
[  260.225011]  ? ____cache_alloc_node+0x1c7/0x1e0
[  260.229683]  ? lock_downgrade+0x900/0x900
[  260.233843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.239389]  cache_grow_begin+0xa5/0x8c0
[  260.243459]  ? do_raw_spin_unlock+0xa7/0x330
[  260.247875]  fallback_alloc+0x204/0x2e0
[  260.251857]  ____cache_alloc_node+0x1c7/0x1e0
[  260.256363]  kmem_cache_alloc_node+0xe3/0x730
[  260.260864]  ? ipv6_get_ifaddr+0x42e/0x620
[  260.265113]  __alloc_skb+0x119/0x770
[  260.268828]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.274108]  ? netdev_alloc_frag+0x1f0/0x1f0
[  260.278517]  ? lock_downgrade+0x900/0x900
[  260.282679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.288224]  ? refcount_sub_and_test_checked+0x203/0x310
[  260.293685]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  260.299140]  ? addrconf_rs_timer+0x690/0x690
[  260.303572]  ndisc_alloc_skb+0x144/0x340
[  260.307642]  ndisc_send_rs+0x331/0x6e0
[  260.311538]  addrconf_rs_timer+0x314/0x690
[  260.315800]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.320053]  call_timer_fn+0x272/0x920
[  260.323944]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.328196]  ? process_timeout+0x40/0x40
[  260.332271]  ? __run_timers+0x7da/0xc70
[  260.336251]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.340747]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.345260]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.349499]  ? lockdep_hardirqs_on+0x296/0x5b0
[  260.354091]  ? trace_hardirqs_on+0xbd/0x310
[  260.358415]  ? kasan_check_read+0x11/0x20
[  260.362573]  ? __run_timers+0x7da/0xc70
[  260.366569]  ? trace_hardirqs_off_caller+0x310/0x310
[  260.371680]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.375922]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.380171]  __run_timers+0x7e5/0xc70
[  260.384003]  ? timer_fixup_init+0x70/0x70
[  260.388168]  ? kasan_check_read+0x11/0x20
[  260.392323]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.397616]  ? rcu_softirq_qs+0x20/0x20
[  260.401596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.407136]  ? check_preemption_disabled+0x48/0x280
[  260.412179]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  260.416948]  ? retint_kernel+0x2d/0x2d
[  260.420841]  ? trace_hardirqs_on_caller+0xc0/0x310
[  260.425772]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  260.430721]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  260.436184]  ? zap_class+0x640/0x640
[  260.439907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.445455]  ? check_preemption_disabled+0x48/0x280
[  260.450481]  ? __lock_is_held+0xb5/0x140
[  260.454547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.460106]  ? check_preemption_disabled+0x48/0x280
[  260.465134]  run_timer_softirq+0x52/0xb0
[  260.469204]  ? rcu_read_lock_sched_held+0x14f/0x180
[  260.474227]  __do_softirq+0x308/0xb7e
[  260.478031]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  260.482612]  ? lock_downgrade+0x900/0x900
[  260.486767]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  260.491879]  ? pvclock_read_flags+0x160/0x160
[  260.496380]  ? lapic_next_event+0x5a/0x90
[  260.500536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.506085]  ? kvm_clock_read+0x18/0x30
[  260.510059]  ? kvm_sched_clock_read+0x9/0x20
[  260.514472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.520024]  ? check_preemption_disabled+0x48/0x280
[  260.525052]  irq_exit+0x17f/0x1c0
[  260.528511]  smp_apic_timer_interrupt+0x1cb/0x760
[  260.533358]  ? smp_call_function_single_interrupt+0x159/0x650
[  260.539260]  ? smp_call_function_single_interrupt+0x650/0x650
[  260.545148]  ? interrupt_entry+0xb5/0xc0
[  260.549221]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.554239]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.559262]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.564108]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.569123]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.574140]  ? task_prio+0x50/0x50
[  260.577696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.583236]  ? check_preemption_disabled+0x48/0x280
[  260.588262]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.593131]  apic_timer_interrupt+0xf/0x20
[  260.597370]  </IRQ>
[  260.599611] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  260.604542] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  260.623453] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  260.631176] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  260.638451] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  260.645721] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  260.652986] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  260.660252] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  260.667567]  skb_clone+0x1bb/0x500
[  260.671110]  ? skb_split+0x11e0/0x11e0
[  260.674997]  ? check_preemption_disabled+0x48/0x280
[  260.680019]  ? __this_cpu_preempt_check+0x1c/0x20
[  260.684868]  ? __bpf_redirect+0x54b/0xb20
[  260.689034]  bpf_clone_redirect+0xb9/0x490
[  260.693285]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  260.698311]  ? __sched_text_start+0x8/0x8
[  260.702463]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  260.707224]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  260.711807]  ? retint_kernel+0x2d/0x2d
[  260.715704]  ? find_held_lock+0x36/0x1c0
[  260.719775]  ? lock_acquire+0x1ed/0x520
[  260.723752]  ? bpf_test_run+0x3cb/0x780
[  260.727732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.733273]  ? check_preemption_disabled+0x48/0x280
[  260.738302]  ? kasan_check_read+0x11/0x20
[  260.742461]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.747750]  ? rcu_softirq_qs+0x20/0x20
[  260.751732]  ? preempt_schedule+0x4d/0x60
[  260.755884]  ? ___preempt_schedule+0x16/0x18
[  260.760306]  ? bpf_test_run+0x25d/0x780
[  260.764292]  ? netlink_diag_dump+0x2a0/0x2a0
[  260.768706]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.774242]  ? bpf_test_init.isra.10+0x70/0x100
[  260.778916]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  260.783683]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  260.788531]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  260.794072]  ? fput+0x130/0x1a0
[  260.797352]  ? __bpf_prog_get+0x9b/0x290
[  260.801416]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  260.806265]  ? bpf_prog_test_run+0x130/0x1a0
[  260.810680]  ? __x64_sys_bpf+0x3d8/0x520
[  260.814746]  ? bpf_prog_get+0x20/0x20
[  260.818571]  ? do_syscall_64+0x1b9/0x820
[  260.822637]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  260.828012]  ? syscall_return_slowpath+0x5e0/0x5e0
[  260.832946]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.837806]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.842827]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  260.847851]  ? prepare_exit_to_usermode+0x291/0x3b0
[  260.852876]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.857732]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  260.863117] warn_alloc_show_mem: 1 callbacks suppressed
[  260.863129] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  260.863131] Mem-Info:
[  260.863171] active_anon:56297 inactive_anon:436 isolated_anon:0
[  260.863171]  active_file:15 inactive_file:14 isolated_file:0
[  260.863171]  unevictable:0 dirty:0 writeback:0 unstable:0
[  260.863171]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  260.863171]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  260.863171]  free:13786 free_pcp:429 free_cma:0
[  260.868512] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  260.875188] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  260.877588] Call Trace:
[  260.910559] Node 0 
[  260.919910]  <IRQ>
[  260.947691] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  260.950259]  dump_stack+0x244/0x39d
[  260.952466] lowmem_reserve[]:
[  260.954621]  ? dump_stack_print_info.cold.1+0x20/0x20
[  260.980099]  0 2818
[  260.983752]  warn_alloc.cold.117+0xb7/0x1bd
[  260.986814]  6321
[  260.992001]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  260.994213]  6321
[  260.998532]  ? lock_downgrade+0x900/0x900
[  261.000570] Node 0 
[  261.005416]  ? trace_hardirqs_off+0xb8/0x310
[  261.007480] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  261.011600]  ? trace_hardirqs_off+0xb8/0x310
[  261.013808] lowmem_reserve[]:
[  261.018216]  __alloc_pages_slowpath+0x2660/0x2d70
[  261.044905]  0 0
[  261.049367]  ? warn_alloc+0x120/0x120
[  261.052417]  3503
[  261.057263]  ? warn_alloc+0x120/0x120
[  261.059207]  3503
[  261.063034]  ? print_usage_bug+0xc0/0xc0
[  261.068867]  ? warn_alloc+0x120/0x120
[  261.070902] Node 0 
[  261.074963]  ? print_usage_bug+0xc0/0xc0
[  261.078761] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  261.080965]  ? __lock_acquire+0x62f/0x4c20
[  261.085000] lowmem_reserve[]:
[  261.113458]  ? __lock_acquire+0x62f/0x4c20
[  261.117663]  0 0
[  261.120775]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.124979]  0
[  261.126953]  ? should_fail+0x22d/0xd01
[  261.132466]  0
[  261.134267]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.139933]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.145187] Node 0 DMA: 
[  261.150283]  ? __lock_acquire+0x62f/0x4c20
[  261.150300]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.152952] 1*4kB 
[  261.157188]  ? __lock_acquire+0x62f/0x4c20
[  261.162269] (U) 
[  261.164412]  ? should_fail+0x22d/0xd01
[  261.168623] 0*8kB 0*16kB 
[  261.170604]  ? rcu_irq_exit+0x1a2/0x390
[  261.174464] 1*32kB 
[  261.177223]  ? mark_held_locks+0x130/0x130
[  261.181170] (U) 
[  261.183402]  ? mark_held_locks+0x130/0x130
[  261.187612] 2*64kB 
[  261.189582]  ? mark_held_locks+0xc7/0x130
[  261.193790] (U) 
[  261.196022]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  261.200148] 1*128kB 
[  261.202124]  ? zap_class+0x640/0x640
[  261.207133] (U) 
[  261.209454]  ? print_usage_bug+0xc0/0xc0
[  261.213144] 1*256kB 
[  261.215126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.219169] (U) 
[  261.221489]  ? check_preemption_disabled+0x48/0x280
[  261.226998] 0*512kB 1*1024kB 
[  261.228993]  ? __lock_is_held+0xb5/0x140
[  261.233989] (U) 
[  261.237116]  __alloc_pages_nodemask+0xa80/0xde0
[  261.241154] 1*2048kB 
[  261.243136]  ? zap_class+0x640/0x640
[  261.247776] (M) 
[  261.250191]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  261.253874] 3*4096kB 
[  261.255852]  ? find_held_lock+0x36/0x1c0
[  261.260834] (M) 
[  261.263245]  ? ____cache_alloc_node+0x1c7/0x1e0
[  261.267278] = 15908kB
[  261.269246]  ? lock_downgrade+0x900/0x900
[  261.273891] Node 0 
[  261.276299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.280419] DMA32: 
[  261.282655]  cache_grow_begin+0xa5/0x8c0
[  261.288171] 5*4kB 
[  261.290400]  ? do_raw_spin_unlock+0xa7/0x330
[  261.294443] (UM) 
[  261.296593]  fallback_alloc+0x204/0x2e0
[  261.301432] 1*8kB (U) 
[  261.303510]  ____cache_alloc_node+0x1c7/0x1e0
[  261.307457] 2*16kB 
[  261.309954]  kmem_cache_alloc_node+0xe3/0x730
[  261.314428] (M) 
[  261.316658]  ? ipv6_get_ifaddr+0x42e/0x620
[  261.321123] 1*32kB (M) 
[  261.323108]  __alloc_skb+0x119/0x770
[  261.327313] 3*64kB 
[  261.329894]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.333576] (M) 
[  261.335815]  ? netdev_alloc_frag+0x1f0/0x1f0
[  261.341084] 5*128kB 
[  261.343062]  ? lock_downgrade+0x900/0x900
[  261.347452] (UM) 
[  261.349778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.353890] 3*256kB (M) 
[  261.355965]  ? refcount_sub_and_test_checked+0x203/0x310
[  261.361482] 4*512kB 
[  261.364152]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  261.369581] (UM) 
[  261.371901]  ? addrconf_rs_timer+0x690/0x690
[  261.377329] 3*1024kB 
[  261.379396]  ndisc_alloc_skb+0x144/0x340
[  261.383770] (UM) 
[  261.386185]  ndisc_send_rs+0x331/0x6e0
[  261.390216] 3*2048kB (UM) 
[  261.392282]  addrconf_rs_timer+0x314/0x690
[  261.396140] 3*4096kB (M) 
[  261.398996]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.403209] = 25244kB
[  261.405975]  call_timer_fn+0x272/0x920
[  261.410179] Node 0 
[  261.412582]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.416456] Normal: 719*4kB 
[  261.418696]  ? process_timeout+0x40/0x40
[  261.422902] (UMEH) 
[  261.425933]  ? mark_held_locks+0xc7/0x130
[  261.429960] 258*8kB 
[  261.432198]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.436319] (UME) 
[  261.438643]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.443113] 197*16kB 
[  261.445258]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.449725] (UME) 
[  261.452130]  ? lockdep_hardirqs_on+0x296/0x5b0
[  261.456339] 98*32kB 
[  261.458484]  ? trace_hardirqs_on+0xbd/0x310
[  261.463063] (UME) 44*64kB 
[  261.465394]  ? kasan_check_read+0x11/0x20
[  261.469684] (UM) 
[  261.472524]  ? __run_timers+0x7da/0xc70
[  261.476638] 0*128kB 0*256kB 
[  261.478707]  ? trace_hardirqs_off_caller+0x310/0x310
[  261.482655] 0*512kB 
[  261.485666]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.490741] 0*1024kB 
[  261.493061]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.497274] 0*2048kB 
[  261.499679]  __run_timers+0x7e5/0xc70
[  261.503885] 0*4096kB 
[  261.506299]  ? timer_fixup_init+0x70/0x70
[  261.510063] = 14044kB
[  261.512469]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  261.516600] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  261.518997]  ? zap_class+0x640/0x640
[  261.523988] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  261.523997] 4793 total pagecache pages
[  261.532827]  ? print_usage_bug+0xc0/0xc0
[  261.536521] 0 pages in swap cache
[  261.545085]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  261.548954] Swap cache stats: add 0, delete 0, find 0/0
[  261.553007]  ? find_held_lock+0x36/0x1c0
[  261.556440] Free swap  = 0kB
[  261.561625]  ? zap_class+0x640/0x640
[  261.566960] Total swap = 0kB
[  261.571016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.574006] 1965979 pages RAM
[  261.577713]  ? check_preemption_disabled+0x48/0x280
[  261.580708] 0 pages HighMem/MovableOnly
[  261.586241]  ? __lock_is_held+0xb5/0x140
[  261.589319] 342867 pages reserved
[  261.594328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.598280] 0 pages cma reserved
[  261.602331]  ? check_preemption_disabled+0x48/0x280
[  261.605828] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  261.611299]  run_timer_softirq+0x52/0xb0
[  261.611314]  ? rcu_read_lock_sched_held+0x14f/0x180
[  261.611330]  __do_softirq+0x308/0xb7e
[  261.614732] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  261.619688]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  261.626169] syz-executor4 cpuset=
[  261.630232]  ? lock_downgrade+0x900/0x900
[  261.635224] syz4
[  261.639026]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  261.649501]  mems_allowed=0
[  261.654001]  ? pvclock_read_flags+0x160/0x160
[  261.676015]  ? lapic_next_event+0x5a/0x90
[  261.680182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.685734]  ? kvm_clock_read+0x18/0x30
[  261.689713]  ? kvm_sched_clock_read+0x9/0x20
[  261.694132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.699678]  ? check_preemption_disabled+0x48/0x280
[  261.704711]  irq_exit+0x17f/0x1c0
[  261.708179]  smp_apic_timer_interrupt+0x1cb/0x760
[  261.713026]  ? smp_reschedule_interrupt+0x109/0x650
[  261.718048]  ? smp_call_function_single_interrupt+0x650/0x650
[  261.723946]  ? interrupt_entry+0xb5/0xc0
[  261.728014]  ? trace_hardirqs_off_caller+0xbb/0x310
[  261.733027]  ? trace_hardirqs_off_caller+0xbb/0x310
[  261.738048]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.742891]  ? trace_hardirqs_on_caller+0x310/0x310
[  261.747910]  ? trace_hardirqs_on_caller+0x310/0x310
[  261.752934]  ? task_prio+0x50/0x50
[  261.756483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.762023]  ? check_preemption_disabled+0x48/0x280
[  261.767047]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.771905]  apic_timer_interrupt+0xf/0x20
[  261.776143]  </IRQ>
[  261.778389] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  261.783582] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  261.802482] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  261.810194] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  261.817462] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  261.824727] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  261.831991] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  261.839258] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  261.846570]  retint_kernel+0x1b/0x2d
[  261.850287] RIP: 0010:dump_stack+0x358/0x39d
[  261.854696] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  261.873602] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  261.881318] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  261.888587] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  261.895856] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  261.903120] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  261.910390] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  261.917683]  ? dump_stack+0x34f/0x39d
[  261.921498]  ? dump_stack_print_info.cold.1+0x20/0x20
[  261.926702]  dump_header+0x27b/0xf72
[  261.930428]  ? mark_held_locks+0x130/0x130
[  261.934668]  ? pagefault_out_of_memory+0x197/0x197
[  261.939604]  ? __lock_acquire+0x62f/0x4c20
[  261.943839]  ? zap_class+0x640/0x640
[  261.947557]  ? percpu_ref_get_many+0x240/0x240
[  261.952144]  ? print_usage_bug+0xc0/0xc0
[  261.956216]  ? print_usage_bug+0xc0/0xc0
[  261.960283]  ? zap_class+0x640/0x640
[  261.964005]  ? print_usage_bug+0xc0/0xc0
[  261.968068]  ? print_usage_bug+0xc0/0xc0
[  261.972136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.977685]  ? find_held_lock+0x36/0x1c0
[  261.981759]  ? mark_held_locks+0xc7/0x130
[  261.985912]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  261.991023]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  261.996128]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  262.000724]  ? trace_hardirqs_on+0xbd/0x310
[  262.005049]  ? kasan_check_read+0x11/0x20
[  262.009204]  ? ___ratelimit+0x3b4/0x672
[  262.013190]  ? trace_hardirqs_off_caller+0x310/0x310
[  262.018299]  ? trace_hardirqs_on+0x310/0x310
[  262.022727]  ? lock_downgrade+0x900/0x900
[  262.026887]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  262.031993]  ? ___ratelimit+0x3b9/0x672
[  262.035972]  ? idr_get_free+0xec0/0xec0
[  262.039955]  ? find_held_lock+0x36/0x1c0
[  262.044029]  oom_kill_process.cold.27+0x10/0x903
[  262.048788]  ? zap_class+0x640/0x640
[  262.052504]  ? check_preemption_disabled+0x48/0x280
[  262.057532]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  262.062463]  ? kasan_check_read+0x11/0x20
[  262.066620]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.071901]  ? oom_evaluate_task+0x540/0x540
[  262.076324]  ? find_held_lock+0x36/0x1c0
[  262.080396]  ? out_of_memory+0x974/0x1430
[  262.084549]  ? lock_downgrade+0x900/0x900
[  262.088699]  ? check_preemption_disabled+0x48/0x280
[  262.093726]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  262.098658]  ? kasan_check_read+0x11/0x20
[  262.102808]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.108087]  ? rcu_softirq_qs+0x20/0x20
[  262.112069]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.117612]  ? oom_evaluate_task+0x302/0x540
[  262.122026]  out_of_memory+0xa84/0x1430
[  262.126797]  ? oom_killer_disable+0x3a0/0x3a0
[  262.131297]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  262.136233]  ? __mutex_add_waiter+0x2a0/0x2a0
[  262.140743]  __alloc_pages_slowpath+0x22d4/0x2d70
[  262.145620]  ? warn_alloc+0x120/0x120
[  262.149425]  ? rcu_softirq_qs+0x20/0x20
[  262.153432]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.158973]  ? should_fail+0x22d/0xd01
[  262.162864]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.167969]  ? zap_class+0x640/0x640
[  262.171709]  ? __lock_is_held+0xb5/0x140
[  262.175782]  ? mark_held_locks+0x130/0x130
[  262.180027]  ? lock_release+0xa00/0xa00
[  262.184024]  ? perf_trace_sched_process_exec+0x860/0x860
[  262.189486]  ? __might_sleep+0x95/0x190
[  262.193466]  __alloc_pages_nodemask+0xa80/0xde0
[  262.198143]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  262.203180]  ? __page_cache_alloc+0x191/0x5c0
[  262.207684]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  262.212633]  ? kasan_check_read+0x11/0x20
[  262.216783]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.222069]  ? zap_class+0x640/0x640
[  262.225795]  ? zap_class+0x640/0x640
[  262.229513]  ? zap_class+0x640/0x640
[  262.233229]  ? __do_page_cache_readahead+0x7ce/0x980
[  262.238338]  ? find_held_lock+0x36/0x1c0
[  262.242409]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  262.247977]  alloc_pages_current+0x173/0x350
[  262.252397]  __page_cache_alloc+0x38c/0x5c0
[  262.256724]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  262.261657]  ? kasan_check_read+0x11/0x20
[  262.265807]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.271106]  ? generic_perform_write+0x6a0/0x6a0
[  262.275869]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.281416]  ? check_preemption_disabled+0x48/0x280
[  262.286445]  filemap_fault+0x1594/0x25f0
[  262.290549]  ? __lock_page_or_retry+0xa00/0xa00
[  262.295227]  ? mark_held_locks+0x130/0x130
[  262.299468]  ? rcu_softirq_qs+0x20/0x20
[  262.303462]  ? filemap_map_pages+0xe04/0x1990
[  262.307974]  ? __free_object+0x173/0x340
[  262.312045]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  262.316977]  ? trace_hardirqs_off_caller+0x310/0x310
[  262.322086]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  262.326773]  ? debug_object_free+0x32d/0x690
[  262.331191]  ? kasan_check_read+0x11/0x20
[  262.335346]  ? debug_object_destroy+0x2b0/0x2b0
[  262.340024]  ? lock_pi_update_atomic+0x150/0x150
[  262.344780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.350322]  ? __hrtimer_init+0xdb/0x240
[  262.354397]  ? lock_acquire+0x1ed/0x520
[  262.358374]  ? ext4_filemap_fault+0x7a/0xad
[  262.362703]  ? lock_release+0xa00/0xa00
[  262.366676]  ? perf_trace_sched_process_exec+0x860/0x860
[  262.372127]  ? print_usage_bug+0xc0/0xc0
[  262.376205]  ? print_usage_bug+0xc0/0xc0
[  262.380282]  ? down_read+0x8d/0x120
[  262.383908]  ? ext4_filemap_fault+0x7a/0xad
[  262.388235]  ? __down_interruptible+0x700/0x700
[  262.392915]  ext4_filemap_fault+0x82/0xad
[  262.397074]  __do_fault+0x100/0x6b0
[  262.400699]  ? find_held_lock+0x36/0x1c0
[  262.404765]  ? pmd_devmap_trans_unstable+0x220/0x220
[  262.409872]  ? mark_held_locks+0x130/0x130
[  262.414110]  ? mark_held_locks+0x130/0x130
[  262.418359]  ? kasan_check_read+0x11/0x20
[  262.422511]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.428059]  __handle_mm_fault+0x307c/0x5920
[  262.432946]  ? perf_trace_lock+0x7a0/0x7a0
[  262.437200]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  262.442056]  ? __switch_to_asm+0x34/0x70
[  262.446122]  ? __switch_to_asm+0x34/0x70
[  262.450204]  ? zap_class+0x640/0x640
[  262.453920]  ? zap_class+0x640/0x640
[  262.457640]  ? __x64_sys_futex+0x53e/0x6a0
[  262.462244]  ? find_held_lock+0x36/0x1c0
[  262.466321]  ? handle_mm_fault+0x42a/0xc70
[  262.470564]  ? lock_downgrade+0x900/0x900
[  262.474713]  ? check_preemption_disabled+0x48/0x280
[  262.479743]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  262.484677]  ? kasan_check_read+0x11/0x20
[  262.488828]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.494120]  ? rcu_softirq_qs+0x20/0x20
[  262.498100]  ? trace_hardirqs_off_caller+0x310/0x310
[  262.503207]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.508753]  ? check_preemption_disabled+0x48/0x280
[  262.513783]  handle_mm_fault+0x54f/0xc70
[  262.517854]  ? __handle_mm_fault+0x5920/0x5920
[  262.522441]  ? find_vma+0x34/0x190
[  262.525990]  __do_page_fault+0x5e8/0xe60
[  262.530057]  ? trace_hardirqs_off+0xb8/0x310
[  262.534479]  do_page_fault+0xf2/0x7e0
[  262.538282]  ? vmalloc_sync_all+0x30/0x30
[  262.542436]  ? error_entry+0x70/0xd0
[  262.546157]  ? trace_hardirqs_off_caller+0xbb/0x310
[  262.551190]  ? trace_hardirqs_on_caller+0xc0/0x310
[  262.556125]  ? syscall_return_slowpath+0x5e0/0x5e0
[  262.561055]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.565908]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.570933]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  262.576395]  ? prepare_exit_to_usermode+0x291/0x3b0
[  262.581414]  ? page_fault+0x8/0x30
[  262.584959]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.589808]  ? page_fault+0x8/0x30
[  262.593357]  page_fault+0x1e/0x30
[  262.596808] RIP: 0033:0x40f9c0
[  262.600015] Code: Bad RIP value.
[  262.603378] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  262.608742] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  262.616012] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  262.623298] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  262.630584] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  262.637853] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  262.645158] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  262.645244] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  262.652192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  262.652198] Call Trace:
[  262.652205]  <IRQ>
[  262.652225]  dump_stack+0x244/0x39d
[  262.652243]  ? dump_stack_print_info.cold.1+0x20/0x20
[  262.658807] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  262.668085]  warn_alloc.cold.117+0xb7/0x1bd
[  262.670641] syz-fuzzer cpuset=
[  262.672789]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  262.676393] /
[  262.681585]  ? lock_downgrade+0x900/0x900
[  262.691785]  mems_allowed=0
[  262.696105]  ? trace_hardirqs_off+0xb8/0x310
[  262.717268]  ? trace_hardirqs_off+0xb8/0x310
[  262.721692]  __alloc_pages_slowpath+0x2660/0x2d70
[  262.726570]  ? warn_alloc+0x120/0x120
[  262.730379]  ? warn_alloc+0x120/0x120
[  262.734209]  ? print_usage_bug+0xc0/0xc0
[  262.738276]  ? warn_alloc+0x120/0x120
[  262.742081]  ? print_usage_bug+0xc0/0xc0
[  262.746143]  ? __lock_acquire+0x62f/0x4c20
[  262.750391]  ? __lock_acquire+0x62f/0x4c20
[  262.754636]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.760182]  ? should_fail+0x22d/0xd01
[  262.764077]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.769186]  ? __lock_acquire+0x62f/0x4c20
[  262.773435]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.778541]  ? __lock_acquire+0x62f/0x4c20
[  262.782773]  ? should_fail+0x22d/0xd01
[  262.786660]  ? find_held_lock+0x36/0x1c0
[  262.790735]  ? mark_held_locks+0x130/0x130
[  262.794979]  ? mark_held_locks+0x130/0x130
[  262.799217]  ? zap_class+0x640/0x640
[  262.802930]  ? zap_class+0x640/0x640
[  262.806652]  ? print_usage_bug+0xc0/0xc0
[  262.810718]  ? do_raw_spin_unlock+0xa7/0x330
[  262.815130]  ? zap_class+0x640/0x640
[  262.818851]  ? print_usage_bug+0xc0/0xc0
[  262.822917]  ? wq_watchdog_touch+0x9c/0xfe
[  262.827169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.832713]  ? check_preemption_disabled+0x48/0x280
[  262.837740]  ? __lock_is_held+0xb5/0x140
[  262.841809]  __alloc_pages_nodemask+0xa80/0xde0
[  262.846479]  ? zap_class+0x640/0x640
[  262.850205]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  262.855233]  ? find_held_lock+0x36/0x1c0
[  262.859309]  ? ____cache_alloc_node+0x1c7/0x1e0
[  262.863984]  ? lock_downgrade+0x900/0x900
[  262.868142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.873693]  cache_grow_begin+0xa5/0x8c0
[  262.877753]  ? do_raw_spin_unlock+0xa7/0x330
[  262.882183]  fallback_alloc+0x204/0x2e0
[  262.886177]  ____cache_alloc_node+0x1c7/0x1e0
[  262.890681]  kmem_cache_alloc_node+0xe3/0x730
[  262.895187]  ? ipv6_get_ifaddr+0x42e/0x620
[  262.899438]  __alloc_skb+0x119/0x770
[  262.903156]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.908452]  ? netdev_alloc_frag+0x1f0/0x1f0
[  262.912860]  ? lock_downgrade+0x900/0x900
[  262.917015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.922556]  ? refcount_sub_and_test_checked+0x203/0x310
[  262.928013]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  262.933464]  ? addrconf_rs_timer+0x690/0x690
[  262.937888]  ndisc_alloc_skb+0x144/0x340
[  262.941954]  ndisc_send_rs+0x331/0x6e0
[  262.945846]  addrconf_rs_timer+0x314/0x690
[  262.950088]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.954344]  call_timer_fn+0x272/0x920
[  262.958250]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.962512]  ? process_timeout+0x40/0x40
[  262.966586]  ? __run_timers+0x7da/0xc70
[  262.970566]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.975064]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.979568]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.983802]  ? lockdep_hardirqs_on+0x296/0x5b0
[  262.988390]  ? trace_hardirqs_on+0xbd/0x310
[  262.992719]  ? kasan_check_read+0x11/0x20
[  262.996871]  ? __run_timers+0x7da/0xc70
[  263.000850]  ? trace_hardirqs_off_caller+0x310/0x310
[  263.005963]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.010205]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.014446]  __run_timers+0x7e5/0xc70
[  263.018263]  ? timer_fixup_init+0x70/0x70
[  263.022413]  ? kasan_check_read+0x11/0x20
[  263.026573]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.031855]  ? rcu_softirq_qs+0x20/0x20
[  263.035832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.041373]  ? check_preemption_disabled+0x48/0x280
[  263.046401]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  263.051177]  ? retint_kernel+0x2d/0x2d
[  263.055080]  ? trace_hardirqs_on_caller+0xc0/0x310
[  263.060013]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  263.064772]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  263.070237]  ? zap_class+0x640/0x640
[  263.073961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.079502]  ? check_preemption_disabled+0x48/0x280
[  263.084530]  ? __lock_is_held+0xb5/0x140
[  263.088594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.094137]  ? check_preemption_disabled+0x48/0x280
[  263.099179]  run_timer_softirq+0x52/0xb0
[  263.103258]  ? rcu_read_lock_sched_held+0x14f/0x180
[  263.108279]  __do_softirq+0x308/0xb7e
[  263.112086]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  263.116586]  ? lock_downgrade+0x900/0x900
[  263.120740]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  263.125855]  ? pvclock_read_flags+0x160/0x160
[  263.130352]  ? lapic_next_event+0x5a/0x90
[  263.134505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.140052]  ? kvm_clock_read+0x18/0x30
[  263.144030]  ? kvm_sched_clock_read+0x9/0x20
[  263.148452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.153992]  ? check_preemption_disabled+0x48/0x280
[  263.159021]  irq_exit+0x17f/0x1c0
[  263.162481]  smp_apic_timer_interrupt+0x1cb/0x760
[  263.167326]  ? smp_call_function_single_interrupt+0x159/0x650
[  263.173216]  ? smp_call_function_single_interrupt+0x650/0x650
[  263.179106]  ? interrupt_entry+0xb5/0xc0
[  263.183179]  ? trace_hardirqs_off_caller+0xbb/0x310
[  263.188203]  ? trace_hardirqs_off_caller+0xbb/0x310
[  263.193228]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.198077]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.203093]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.208115]  ? task_prio+0x50/0x50
[  263.211662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.217212]  ? check_preemption_disabled+0x48/0x280
[  263.222242]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.227104]  apic_timer_interrupt+0xf/0x20
[  263.231334]  </IRQ>
[  263.233577] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  263.238512] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  263.257419] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  263.265139] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  263.272418] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  263.279708] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  263.286984] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  263.294260] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  263.303109]  skb_clone+0x1bb/0x500
[  263.306659]  ? skb_split+0x11e0/0x11e0
[  263.310547]  ? check_preemption_disabled+0x48/0x280
[  263.315573]  ? __this_cpu_preempt_check+0x1c/0x20
[  263.320429]  ? __bpf_redirect+0x54b/0xb20
[  263.324593]  bpf_clone_redirect+0xb9/0x490
[  263.328842]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  263.333864]  ? __sched_text_start+0x8/0x8
[  263.338013]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  263.342776]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  263.347369]  ? retint_kernel+0x2d/0x2d
[  263.351270]  ? find_held_lock+0x36/0x1c0
[  263.355345]  ? lock_acquire+0x1ed/0x520
[  263.359322]  ? bpf_test_run+0x3cb/0x780
[  263.363301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.368849]  ? check_preemption_disabled+0x48/0x280
[  263.373876]  ? kasan_check_read+0x11/0x20
[  263.378031]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.383314]  ? rcu_softirq_qs+0x20/0x20
[  263.387293]  ? preempt_schedule+0x4d/0x60
[  263.391450]  ? ___preempt_schedule+0x16/0x18
[  263.395873]  ? bpf_test_run+0x25d/0x780
[  263.399864]  ? netlink_diag_dump+0x2a0/0x2a0
[  263.404277]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.409820]  ? bpf_test_init.isra.10+0x70/0x100
[  263.414499]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  263.419266]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  263.424111]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  263.429657]  ? fput+0x130/0x1a0
[  263.432940]  ? __bpf_prog_get+0x9b/0x290
[  263.437009]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  263.441882]  ? bpf_prog_test_run+0x130/0x1a0
[  263.446306]  ? __x64_sys_bpf+0x3d8/0x520
[  263.450394]  ? bpf_prog_get+0x20/0x20
[  263.454229]  ? do_syscall_64+0x1b9/0x820
[  263.458292]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  263.463667]  ? syscall_return_slowpath+0x5e0/0x5e0
[  263.468605]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.473462]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.478491]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  263.483522]  ? prepare_exit_to_usermode+0x291/0x3b0
[  263.488548]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.493405]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  263.498805] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  263.498811] warn_alloc_show_mem: 1 callbacks suppressed
[  263.498818] Mem-Info:
[  263.505486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  263.510857] active_anon:56297 inactive_anon:436 isolated_anon:0
[  263.510857]  active_file:15 inactive_file:14 isolated_file:0
[  263.510857]  unevictable:0 dirty:0 writeback:0 unstable:0
[  263.510857]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  263.510857]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  263.510857]  free:13786 free_pcp:429 free_cma:0
[  263.513236] Call Trace:
[  263.522626] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  263.555569]  <IRQ>
[  263.558142] Node 0 
[  263.585917]  dump_stack+0x244/0x39d
[  263.588066] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  263.590276]  ? dump_stack_print_info.cold.1+0x20/0x20
[  263.593868] lowmem_reserve[]: 0
[  263.619395]  warn_alloc.cold.117+0xb7/0x1bd
[  263.624557]  2818
[  263.627834]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  263.632125]  6321 6321
[  263.634204]  ? lock_downgrade+0x900/0x900
[  263.641515]  ? trace_hardirqs_off+0xb8/0x310
[  263.645632] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  263.650088]  ? trace_hardirqs_off+0xb8/0x310
[  263.650111]  __alloc_pages_slowpath+0x2660/0x2d70
[  263.677407] lowmem_reserve[]: 0
[  263.681854]  ? warn_alloc+0x120/0x120
[  263.686640]  0
[  263.689915]  ? warn_alloc+0x120/0x120
[  263.693686]  3503
[  263.695483]  ? print_usage_bug+0xc0/0xc0
[  263.699260]  3503
[  263.701316]  ? warn_alloc+0x120/0x120
[  263.707411]  ? print_usage_bug+0xc0/0xc0
[  263.711193] Node 0 
[  263.715251]  ? __lock_acquire+0x62f/0x4c20
[  263.715283] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  263.715290] lowmem_reserve[]:
[  263.717522]  ? __lock_acquire+0x62f/0x4c20
[  263.721727]  0 0
[  263.750208]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.753287]  0
[  263.757514]  ? should_fail+0x22d/0xd01
[  263.759465]  0
[  263.764997]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.770654]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.772439] Node 0 
[  263.777713]  ? __lock_acquire+0x62f/0x4c20
[  263.782788] DMA: 1*4kB 
[  263.785027]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.789239] (U) 
[  263.791817]  ? __lock_acquire+0x62f/0x4c20
[  263.796895] 0*8kB 
[  263.798866]  ? should_fail+0x22d/0xd01
[  263.803075] 0*16kB 
[  263.805223]  ? rcu_irq_exit+0x1a2/0x390
[  263.809084] 1*32kB 
[  263.811325]  ? mark_held_locks+0x130/0x130
[  263.815264] (U) 
[  263.817497]  ? mark_held_locks+0x130/0x130
[  263.821706] 2*64kB 
[  263.823676]  ? mark_held_locks+0xc7/0x130
[  263.827880] (U) 
[  263.830114]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  263.834236] 1*128kB 
[  263.836205]  ? zap_class+0x640/0x640
[  263.841200] (U) 
[  263.843518]  ? print_usage_bug+0xc0/0xc0
[  263.847211] 1*256kB 
[  263.849190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.853223] (U) 
[  263.855542]  ? check_preemption_disabled+0x48/0x280
[  263.861057] 0*512kB 
[  263.863038]  ? __lock_is_held+0xb5/0x140
[  263.868023] 1*1024kB 
[  263.870347]  __alloc_pages_nodemask+0xa80/0xde0
[  263.874379] (U) 
[  263.876782]  ? zap_class+0x640/0x640
[  263.881430] 1*2048kB 
[  263.883400]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  263.887084] (M) 
[  263.889496]  ? find_held_lock+0x36/0x1c0
[  263.894479] 3*4096kB 
[  263.896463]  ? ____cache_alloc_node+0x1c7/0x1e0
[  263.900490] (M) 
[  263.902893]  ? lock_downgrade+0x900/0x900
[  263.907539] = 15908kB
[  263.909512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.913635] Node 0 
[  263.916044]  cache_grow_begin+0xa5/0x8c0
[  263.921552] DMA32: 
[  263.923781]  ? do_raw_spin_unlock+0xa7/0x330
[  263.927819] 5*4kB 
[  263.930057]  fallback_alloc+0x204/0x2e0
[  263.934437] (UM) 
[  263.936583]  ____cache_alloc_node+0x1c7/0x1e0
[  263.940530] 1*8kB 
[  263.942587]  kmem_cache_alloc_node+0xe3/0x730
[  263.947052] (U) 
[  263.949203]  ? ipv6_get_ifaddr+0x42e/0x620
[  263.953672] 2*16kB 
[  263.955647]  __alloc_skb+0x119/0x770
[  263.959850] (M) 
[  263.962087]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.965770] 1*32kB (M) 
[  263.967784]  ? netdev_alloc_frag+0x1f0/0x1f0
[  263.973035] 3*64kB 
[  263.975615]  ? lock_downgrade+0x900/0x900
[  263.979997] (M) 
[  263.982233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.986354] 5*128kB 
[  263.988330]  ? refcount_sub_and_test_checked+0x203/0x310
[  263.993843] (UM) 
[  263.996179]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  264.001601] 3*256kB 
[  264.003661]  ? addrconf_rs_timer+0x690/0x690
[  264.009087] (M) 
[  264.011417]  ndisc_alloc_skb+0x144/0x340
[  264.015794] 4*512kB 
[  264.017766]  ndisc_send_rs+0x331/0x6e0
[  264.021798] (UM) 
[  264.024119]  addrconf_rs_timer+0x314/0x690
[  264.027981] 3*1024kB 
[  264.030041]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.034251] (UM) 
[  264.036695]  call_timer_fn+0x272/0x920
[  264.040888] 3*2048kB (UM) 
[  264.042963]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.046829] 3*4096kB 
[  264.049671]  ? process_timeout+0x40/0x40
[  264.053880] (M) 
[  264.056295]  ? mark_held_locks+0xc7/0x130
[  264.060329] = 25244kB
[  264.062299]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.066429] Node 0 
[  264.068831]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.073301] Normal: 
[  264.075535]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.080006] 719*4kB 
[  264.082323]  ? lockdep_hardirqs_on+0x296/0x5b0
[  264.086533] (UMEH) 
[  264.088855]  ? trace_hardirqs_on+0xbd/0x310
[  264.093413] 258*8kB 
[  264.095649]  ? kasan_check_read+0x11/0x20
[  264.099946] (UME) 
[  264.102270]  ? __run_timers+0x7da/0xc70
[  264.106392] 197*16kB 
[  264.108539]  ? trace_hardirqs_off_caller+0x310/0x310
[  264.112489] (UME) 
[  264.114897]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.119971] 98*32kB 
[  264.122116]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.126329] (UME) 
[  264.128652]  __run_timers+0x7e5/0xc70
[  264.132859] 44*64kB 
[  264.135011]  ? timer_fixup_init+0x70/0x70
[  264.138778] (UM) 
[  264.141098]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  264.145218] 0*128kB 
[  264.147275]  ? zap_class+0x640/0x640
[  264.152260] 0*256kB 0*512kB 
[  264.154591]  ? print_usage_bug+0xc0/0xc0
[  264.158275] 0*1024kB 0*2048kB 
[  264.161298]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  264.165335] 0*4096kB 
[  264.168530]  ? find_held_lock+0x36/0x1c0
[  264.173690] = 14044kB
[  264.176100]  ? zap_class+0x640/0x640
[  264.180189] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  264.182590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.186282] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  264.195113]  ? check_preemption_disabled+0x48/0x280
[  264.200625] 4793 total pagecache pages
[  264.209207]  ? __lock_is_held+0xb5/0x140
[  264.214201] 0 pages in swap cache
[  264.218080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.222118] Swap cache stats: add 0, delete 0, find 0/0
[  264.225568]  ? check_preemption_disabled+0x48/0x280
[  264.231082] Free swap  = 0kB
[  264.236447]  run_timer_softirq+0x52/0xb0
[  264.241445] Total swap = 0kB
[  264.244462]  ? rcu_read_lock_sched_held+0x14f/0x180
[  264.248494] 1965979 pages RAM
[  264.251504]  __do_softirq+0x308/0xb7e
[  264.256493] 0 pages HighMem/MovableOnly
[  264.256502] 342867 pages reserved
[  264.259605]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  264.263380] 0 pages cma reserved
[  264.267353]  ? lock_downgrade+0x900/0x900
[  264.270845] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  264.275272]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  264.278708] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  264.282764]  ? pvclock_read_flags+0x160/0x160
[  264.289228] syz-executor4 cpuset=
[  264.294334]  ? lapic_next_event+0x5a/0x90
[  264.304795] syz4
[  264.309294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.312723]  mems_allowed=0
[  264.316862]  ? kvm_clock_read+0x18/0x30
[  264.331225]  ? kvm_sched_clock_read+0x9/0x20
[  264.335648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.341199]  ? check_preemption_disabled+0x48/0x280
[  264.346229]  irq_exit+0x17f/0x1c0
[  264.349687]  smp_apic_timer_interrupt+0x1cb/0x760
[  264.354529]  ? smp_reschedule_interrupt+0x109/0x650
[  264.359553]  ? smp_call_function_single_interrupt+0x650/0x650
[  264.365447]  ? interrupt_entry+0xb5/0xc0
[  264.369512]  ? trace_hardirqs_off_caller+0xbb/0x310
[  264.374527]  ? trace_hardirqs_off_caller+0xbb/0x310
[  264.379551]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.384419]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.389961]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.394986]  ? task_prio+0x50/0x50
[  264.398531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.404074]  ? check_preemption_disabled+0x48/0x280
[  264.409104]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.413968]  apic_timer_interrupt+0xf/0x20
[  264.418203]  </IRQ>
[  264.420448] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  264.425638] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  264.445012] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  264.452727] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  264.459997] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  264.467272] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  264.474543] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  264.481818] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  264.489137]  retint_kernel+0x1b/0x2d
[  264.492866] RIP: 0010:dump_stack+0x358/0x39d
[  264.497281] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  264.516200] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  264.523918] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  264.531200] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  264.538470] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  264.545741] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  264.553010] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  264.560308]  ? dump_stack+0x34f/0x39d
[  264.564130]  ? dump_stack_print_info.cold.1+0x20/0x20
[  264.569346]  dump_header+0x27b/0xf72
[  264.573073]  ? mark_held_locks+0x130/0x130
[  264.577310]  ? pagefault_out_of_memory+0x197/0x197
[  264.582250]  ? __lock_acquire+0x62f/0x4c20
[  264.586484]  ? zap_class+0x640/0x640
[  264.590208]  ? percpu_ref_get_many+0x240/0x240
[  264.594801]  ? print_usage_bug+0xc0/0xc0
[  264.598869]  ? print_usage_bug+0xc0/0xc0
[  264.602942]  ? zap_class+0x640/0x640
[  264.606664]  ? print_usage_bug+0xc0/0xc0
[  264.610736]  ? print_usage_bug+0xc0/0xc0
[  264.614812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.620360]  ? find_held_lock+0x36/0x1c0
[  264.624432]  ? mark_held_locks+0xc7/0x130
[  264.628594]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  264.633729]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  264.638839]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  264.643431]  ? trace_hardirqs_on+0xbd/0x310
[  264.647758]  ? kasan_check_read+0x11/0x20
[  264.651911]  ? ___ratelimit+0x3b4/0x672
[  264.655895]  ? trace_hardirqs_off_caller+0x310/0x310
[  264.661009]  ? trace_hardirqs_on+0x310/0x310
[  264.665424]  ? lock_downgrade+0x900/0x900
[  264.669586]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  264.674690]  ? ___ratelimit+0x3b9/0x672
[  264.678665]  ? idr_get_free+0xec0/0xec0
[  264.682642]  ? find_held_lock+0x36/0x1c0
[  264.686719]  oom_kill_process.cold.27+0x10/0x903
[  264.691483]  ? zap_class+0x640/0x640
[  264.695198]  ? check_preemption_disabled+0x48/0x280
[  264.700224]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  264.705157]  ? kasan_check_read+0x11/0x20
[  264.709323]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.714608]  ? oom_evaluate_task+0x540/0x540
[  264.719026]  ? find_held_lock+0x36/0x1c0
[  264.723098]  ? out_of_memory+0x974/0x1430
[  264.727255]  ? lock_downgrade+0x900/0x900
[  264.731408]  ? check_preemption_disabled+0x48/0x280
[  264.736434]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  264.741366]  ? kasan_check_read+0x11/0x20
[  264.745518]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.750802]  ? rcu_softirq_qs+0x20/0x20
[  264.754783]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.760325]  ? oom_evaluate_task+0x302/0x540
[  264.764740]  out_of_memory+0xa84/0x1430
[  264.768730]  ? oom_killer_disable+0x3a0/0x3a0
[  264.773230]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  264.778255]  ? __mutex_add_waiter+0x2a0/0x2a0
[  264.782772]  __alloc_pages_slowpath+0x22d4/0x2d70
[  264.787652]  ? warn_alloc+0x120/0x120
[  264.791454]  ? rcu_softirq_qs+0x20/0x20
[  264.795467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.801014]  ? should_fail+0x22d/0xd01
[  264.804909]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.810023]  ? zap_class+0x640/0x640
[  264.813769]  ? __lock_is_held+0xb5/0x140
[  264.817858]  ? mark_held_locks+0x130/0x130
[  264.822097]  ? lock_release+0xa00/0xa00
[  264.826079]  ? perf_trace_sched_process_exec+0x860/0x860
[  264.831550]  ? __might_sleep+0x95/0x190
[  264.835535]  __alloc_pages_nodemask+0xa80/0xde0
[  264.840220]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  264.845245]  ? __page_cache_alloc+0x191/0x5c0
[  264.849745]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  264.854682]  ? kasan_check_read+0x11/0x20
[  264.858842]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.864126]  ? zap_class+0x640/0x640
[  264.867854]  ? zap_class+0x640/0x640
[  264.871571]  ? zap_class+0x640/0x640
[  264.875294]  ? __do_page_cache_readahead+0x7ce/0x980
[  264.880407]  ? find_held_lock+0x36/0x1c0
[  264.884477]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  264.890031]  alloc_pages_current+0x173/0x350
[  264.894450]  __page_cache_alloc+0x38c/0x5c0
[  264.898779]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  264.903716]  ? kasan_check_read+0x11/0x20
[  264.907872]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.913156]  ? generic_perform_write+0x6a0/0x6a0
[  264.917937]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.923479]  ? check_preemption_disabled+0x48/0x280
[  264.928509]  filemap_fault+0x1594/0x25f0
[  264.932587]  ? __lock_page_or_retry+0xa00/0xa00
[  264.937269]  ? mark_held_locks+0x130/0x130
[  264.941508]  ? rcu_softirq_qs+0x20/0x20
[  264.945503]  ? filemap_map_pages+0xe04/0x1990
[  264.950035]  ? __free_object+0x173/0x340
[  264.954107]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  264.959043]  ? trace_hardirqs_off_caller+0x310/0x310
[  264.964156]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  264.968857]  ? debug_object_free+0x32d/0x690
[  264.973270]  ? kasan_check_read+0x11/0x20
[  264.977430]  ? debug_object_destroy+0x2b0/0x2b0
[  264.982110]  ? lock_pi_update_atomic+0x150/0x150
[  264.986874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.992419]  ? __hrtimer_init+0xdb/0x240
[  264.996499]  ? lock_acquire+0x1ed/0x520
[  265.000475]  ? ext4_filemap_fault+0x7a/0xad
[  265.004808]  ? lock_release+0xa00/0xa00
[  265.008780]  ? perf_trace_sched_process_exec+0x860/0x860
[  265.014235]  ? print_usage_bug+0xc0/0xc0
[  265.018300]  ? print_usage_bug+0xc0/0xc0
[  265.022377]  ? down_read+0x8d/0x120
[  265.026004]  ? ext4_filemap_fault+0x7a/0xad
[  265.030328]  ? __down_interruptible+0x700/0x700
[  265.035010]  ext4_filemap_fault+0x82/0xad
[  265.039174]  __do_fault+0x100/0x6b0
[  265.042805]  ? find_held_lock+0x36/0x1c0
[  265.046872]  ? pmd_devmap_trans_unstable+0x220/0x220
[  265.051982]  ? mark_held_locks+0x130/0x130
[  265.056225]  ? mark_held_locks+0x130/0x130
[  265.060478]  ? kasan_check_read+0x11/0x20
[  265.064630]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.070183]  __handle_mm_fault+0x307c/0x5920
[  265.074597]  ? perf_trace_lock+0x7a0/0x7a0
[  265.078846]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  265.083701]  ? __switch_to_asm+0x34/0x70
[  265.087766]  ? __switch_to_asm+0x34/0x70
[  265.091843]  ? zap_class+0x640/0x640
[  265.095563]  ? zap_class+0x640/0x640
[  265.099278]  ? __x64_sys_futex+0x53e/0x6a0
[  265.103523]  ? find_held_lock+0x36/0x1c0
[  265.107600]  ? handle_mm_fault+0x42a/0xc70
[  265.111842]  ? lock_downgrade+0x900/0x900
[  265.115995]  ? check_preemption_disabled+0x48/0x280
[  265.121027]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  265.125960]  ? kasan_check_read+0x11/0x20
[  265.130118]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.135404]  ? rcu_softirq_qs+0x20/0x20
[  265.139380]  ? trace_hardirqs_off_caller+0x310/0x310
[  265.144498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.150040]  ? check_preemption_disabled+0x48/0x280
[  265.155070]  handle_mm_fault+0x54f/0xc70
[  265.159140]  ? __handle_mm_fault+0x5920/0x5920
[  265.163745]  ? find_vma+0x34/0x190
[  265.167297]  __do_page_fault+0x5e8/0xe60
[  265.171365]  ? trace_hardirqs_off+0xb8/0x310
[  265.175795]  do_page_fault+0xf2/0x7e0
[  265.179608]  ? vmalloc_sync_all+0x30/0x30
[  265.183763]  ? error_entry+0x70/0xd0
[  265.187488]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.192510]  ? trace_hardirqs_on_caller+0xc0/0x310
[  265.197443]  ? syscall_return_slowpath+0x5e0/0x5e0
[  265.202376]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.207233]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.212257]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  265.217723]  ? prepare_exit_to_usermode+0x291/0x3b0
[  265.222745]  ? page_fault+0x8/0x30
[  265.226297]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.231149]  ? page_fault+0x8/0x30
[  265.234710]  page_fault+0x1e/0x30
[  265.238175] RIP: 0033:0x40f9c0
[  265.241388] Code: Bad RIP value.
[  265.244751] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  265.250120] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  265.257396] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  265.264673] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  265.271952] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  265.279225] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  265.286530] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  265.286601] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  265.293554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  265.293564] Call Trace:
[  265.300656] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  265.309909]  <IRQ>
[  265.312486] syz-fuzzer cpuset=
[  265.322711]  dump_stack+0x244/0x39d
[  265.324837] /
[  265.328027]  ? dump_stack_print_info.cold.1+0x20/0x20
[  265.331628]  mems_allowed=0
[  265.333344]  warn_alloc.cold.117+0xb7/0x1bd
[  265.345752]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  265.350610]  ? lock_downgrade+0x900/0x900
[  265.354768]  ? trace_hardirqs_off+0xb8/0x310
[  265.359195]  ? trace_hardirqs_off+0xb8/0x310
[  265.363620]  __alloc_pages_slowpath+0x2660/0x2d70
[  265.368498]  ? warn_alloc+0x120/0x120
[  265.372307]  ? warn_alloc+0x120/0x120
[  265.376117]  ? print_usage_bug+0xc0/0xc0
[  265.380186]  ? warn_alloc+0x120/0x120
[  265.383995]  ? print_usage_bug+0xc0/0xc0
[  265.388061]  ? __lock_acquire+0x62f/0x4c20
[  265.392296]  ? __lock_acquire+0x62f/0x4c20
[  265.396536]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.402069]  ? should_fail+0x22d/0xd01
[  265.405959]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.411327]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.416437]  ? __lock_acquire+0x62f/0x4c20
[  265.420679]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.425786]  ? __lock_acquire+0x62f/0x4c20
[  265.430020]  ? should_fail+0x22d/0xd01
[  265.433907]  ? rcu_irq_exit+0x1a2/0x390
[  265.437894]  ? mark_held_locks+0x130/0x130
[  265.442135]  ? mark_held_locks+0x130/0x130
[  265.446385]  ? mark_held_locks+0xc7/0x130
[  265.450531]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  265.455547]  ? zap_class+0x640/0x640
[  265.459476]  ? print_usage_bug+0xc0/0xc0
[  265.463547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.469087]  ? check_preemption_disabled+0x48/0x280
[  265.474114]  ? __lock_is_held+0xb5/0x140
[  265.478190]  __alloc_pages_nodemask+0xa80/0xde0
[  265.482860]  ? zap_class+0x640/0x640
[  265.486582]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  265.491616]  ? find_held_lock+0x36/0x1c0
[  265.495688]  ? ____cache_alloc_node+0x1c7/0x1e0
[  265.500360]  ? lock_downgrade+0x900/0x900
[  265.504526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.510081]  cache_grow_begin+0xa5/0x8c0
[  265.514142]  ? do_raw_spin_unlock+0xa7/0x330
[  265.518569]  fallback_alloc+0x204/0x2e0
[  265.522551]  ____cache_alloc_node+0x1c7/0x1e0
[  265.527056]  kmem_cache_alloc_node+0xe3/0x730
[  265.531554]  ? ipv6_get_ifaddr+0x42e/0x620
[  265.535799]  __alloc_skb+0x119/0x770
[  265.539517]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.544805]  ? netdev_alloc_frag+0x1f0/0x1f0
[  265.549216]  ? lock_downgrade+0x900/0x900
[  265.553375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.558921]  ? refcount_sub_and_test_checked+0x203/0x310
[  265.564376]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  265.569830]  ? addrconf_rs_timer+0x690/0x690
[  265.574254]  ndisc_alloc_skb+0x144/0x340
[  265.578323]  ndisc_send_rs+0x331/0x6e0
[  265.582218]  addrconf_rs_timer+0x314/0x690
[  265.586462]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.590713]  call_timer_fn+0x272/0x920
[  265.594605]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.598854]  ? process_timeout+0x40/0x40
[  265.602933]  ? __run_timers+0x7da/0xc70
[  265.606914]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.611411]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.615912]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.620153]  ? lockdep_hardirqs_on+0x296/0x5b0
[  265.624751]  ? trace_hardirqs_on+0xbd/0x310
[  265.629077]  ? kasan_check_read+0x11/0x20
[  265.633228]  ? __run_timers+0x7da/0xc70
[  265.637205]  ? trace_hardirqs_off_caller+0x310/0x310
[  265.642330]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.646589]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.650832]  __run_timers+0x7e5/0xc70
[  265.654655]  ? timer_fixup_init+0x70/0x70
[  265.658808]  ? kasan_check_read+0x11/0x20
[  265.662959]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.668239]  ? rcu_softirq_qs+0x20/0x20
[  265.672215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.677753]  ? check_preemption_disabled+0x48/0x280
[  265.682777]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  265.687542]  ? retint_kernel+0x2d/0x2d
[  265.691437]  ? trace_hardirqs_on_caller+0xc0/0x310
[  265.696370]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  265.701128]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  265.706592]  ? zap_class+0x640/0x640
[  265.710313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.715868]  ? check_preemption_disabled+0x48/0x280
[  265.720898]  ? __lock_is_held+0xb5/0x140
[  265.724965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.730502]  ? check_preemption_disabled+0x48/0x280
[  265.735524]  run_timer_softirq+0x52/0xb0
[  265.739591]  ? rcu_read_lock_sched_held+0x14f/0x180
[  265.744610]  __do_softirq+0x308/0xb7e
[  265.748421]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  265.752923]  ? lock_downgrade+0x900/0x900
[  265.757074]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  265.762191]  ? pvclock_read_flags+0x160/0x160
[  265.766693]  ? lapic_next_event+0x5a/0x90
[  265.770842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.776386]  ? kvm_clock_read+0x18/0x30
[  265.780360]  ? kvm_sched_clock_read+0x9/0x20
[  265.784771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.790312]  ? check_preemption_disabled+0x48/0x280
[  265.795340]  irq_exit+0x17f/0x1c0
[  265.798793]  smp_apic_timer_interrupt+0x1cb/0x760
[  265.803634]  ? smp_call_function_single_interrupt+0x159/0x650
[  265.809521]  ? smp_call_function_single_interrupt+0x650/0x650
[  265.815408]  ? interrupt_entry+0xb5/0xc0
[  265.819477]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.824493]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.829512]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.834356]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.839374]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.844392]  ? task_prio+0x50/0x50
[  265.847942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.853479]  ? check_preemption_disabled+0x48/0x280
[  265.858505]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.863361]  apic_timer_interrupt+0xf/0x20
[  265.867591]  </IRQ>
[  265.869830] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  265.874765] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  265.893661] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  265.901372] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  265.908638] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  265.915906] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  265.923178] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  265.930475] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  265.937788]  skb_clone+0x1bb/0x500
[  265.941331]  ? skb_split+0x11e0/0x11e0
[  265.945218]  ? check_preemption_disabled+0x48/0x280
[  265.950241]  ? __this_cpu_preempt_check+0x1c/0x20
[  265.955086]  ? __bpf_redirect+0x54b/0xb20
[  265.959244]  bpf_clone_redirect+0xb9/0x490
[  265.963490]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  265.968513]  ? __sched_text_start+0x8/0x8
[  265.972665]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  265.977434]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  265.982017]  ? retint_kernel+0x2d/0x2d
[  265.985917]  ? find_held_lock+0x36/0x1c0
[  265.989989]  ? lock_acquire+0x1ed/0x520
[  265.993982]  ? bpf_test_run+0x3cb/0x780
[  265.997975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.003517]  ? check_preemption_disabled+0x48/0x280
[  266.008561]  ? kasan_check_read+0x11/0x20
[  266.012715]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.018000]  ? rcu_softirq_qs+0x20/0x20
[  266.021977]  ? preempt_schedule+0x4d/0x60
[  266.026130]  ? ___preempt_schedule+0x16/0x18
[  266.030558]  ? bpf_test_run+0x25d/0x780
[  266.034548]  ? netlink_diag_dump+0x2a0/0x2a0
[  266.038962]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.044501]  ? bpf_test_init.isra.10+0x70/0x100
[  266.049186]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  266.053953]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  266.058797]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  266.064337]  ? fput+0x130/0x1a0
[  266.067620]  ? __bpf_prog_get+0x9b/0x290
[  266.071690]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  266.076536]  ? bpf_prog_test_run+0x130/0x1a0
[  266.080997]  ? __x64_sys_bpf+0x3d8/0x520
[  266.085107]  ? bpf_prog_get+0x20/0x20
[  266.088931]  ? do_syscall_64+0x1b9/0x820
[  266.093009]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  266.098379]  ? syscall_return_slowpath+0x5e0/0x5e0
[  266.103309]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.108159]  ? trace_hardirqs_on_caller+0x310/0x310
[  266.113195]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  266.118217]  ? prepare_exit_to_usermode+0x291/0x3b0
[  266.123240]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.128098]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  266.133483] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  266.133488] warn_alloc_show_mem: 1 callbacks suppressed
[  266.133495] Mem-Info:
[  266.140169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  266.145539] active_anon:56297 inactive_anon:436 isolated_anon:0
[  266.145539]  active_file:15 inactive_file:14 isolated_file:0
[  266.145539]  unevictable:0 dirty:0 writeback:0 unstable:0
[  266.145539]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  266.145539]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  266.145539]  free:13786 free_pcp:429 free_cma:0
[  266.147914] Call Trace:
[  266.157299] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  266.190249]  <IRQ>
[  266.192823] Node 0 
[  266.220583]  dump_stack+0x244/0x39d
[  266.222733] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  266.224948]  ? dump_stack_print_info.cold.1+0x20/0x20
[  266.228552] lowmem_reserve[]:
[  266.254068]  warn_alloc.cold.117+0xb7/0x1bd
[  266.259228]  0
[  266.262328]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  266.266622]  2818
[  266.268424]  ? lock_downgrade+0x900/0x900
[  266.273244]  6321
[  266.275305]  ? trace_hardirqs_off+0xb8/0x310
[  266.279421]  6321
[  266.281482]  ? trace_hardirqs_off+0xb8/0x310
[  266.285955] Node 0 
[  266.288023]  __alloc_pages_slowpath+0x2660/0x2d70
[  266.292432] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  266.294661]  ? warn_alloc+0x120/0x120
[  266.299688] lowmem_reserve[]:
[  266.326410]  ? warn_alloc+0x120/0x120
[  266.330190]  0
[  266.333294]  ? print_usage_bug+0xc0/0xc0
[  266.337070]  0
[  266.338867]  ? warn_alloc+0x120/0x120
[  266.342917]  3503
[  266.344718]  ? print_usage_bug+0xc0/0xc0
[  266.348489]  3503
[  266.350561]  ? __lock_acquire+0x62f/0x4c20
[  266.354599] Node 0 
[  266.356659]  ? __lock_acquire+0x62f/0x4c20
[  266.360896] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  266.363103]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.367315] lowmem_reserve[]:
[  266.395777]  ? should_fail+0x22d/0xd01
[  266.401291]  0
[  266.404394]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.408252]  0
[  266.410047]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.415297]  0 0
[  266.417109]  ? __lock_acquire+0x62f/0x4c20
[  266.422192] Node 0 
[  266.424172]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.428392] DMA: 1*4kB 
[  266.431121]  ? __lock_acquire+0x62f/0x4c20
[  266.431135]  ? should_fail+0x22d/0xd01
[  266.436221] (U) 
[  266.438800]  ? rcu_irq_exit+0x1a2/0x390
[  266.443007] 0*8kB 
[  266.446895]  ? mark_held_locks+0x130/0x130
[  266.448843] 0*16kB 
[  266.452809]  ? mark_held_locks+0x130/0x130
[  266.454931] 1*32kB (U) 
[  266.459178]  ? mark_held_locks+0xc7/0x130
[  266.461386] 2*64kB (U) 
[  266.465627]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  266.468196] 1*128kB 
[  266.472340]  ? zap_class+0x640/0x640
[  266.474899] (U) 1*256kB 
[  266.479932]  ? print_usage_bug+0xc0/0xc0
[  266.482281] (U) 
[  266.485991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.488639] 0*512kB 
[  266.492696]  ? check_preemption_disabled+0x48/0x280
[  266.494653] 1*1024kB 
[  266.500202]  ? __lock_is_held+0xb5/0x140
[  266.502500] (U) 
[  266.507521]  __alloc_pages_nodemask+0xa80/0xde0
[  266.509909] 1*2048kB 
[  266.513982]  ? zap_class+0x640/0x640
[  266.515937] (M) 
[  266.520602]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  266.522985] 3*4096kB 
[  266.526703]  ? find_held_lock+0x36/0x1c0
[  266.528645] (M) 
[  266.533666]  ? ____cache_alloc_node+0x1c7/0x1e0
[  266.536045] = 15908kB
[  266.540102]  ? lock_downgrade+0x900/0x900
[  266.542056] Node 0 
[  266.546725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.549107] DMA32: 
[  266.553250]  cache_grow_begin+0xa5/0x8c0
[  266.555461] 5*4kB 
[  266.560995]  ? do_raw_spin_unlock+0xa7/0x330
[  266.563210] (UM) 
[  266.567272]  fallback_alloc+0x204/0x2e0
[  266.569392] 1*8kB 
[  266.573801]  ____cache_alloc_node+0x1c7/0x1e0
[  266.575837] (U) 
[  266.579806]  kmem_cache_alloc_node+0xe3/0x730
[  266.581929] 2*16kB (M) 
[  266.586423]  ? ipv6_get_ifaddr+0x42e/0x620
[  266.588380] 1*32kB 
[  266.592873]  __alloc_skb+0x119/0x770
[  266.595429] (M) 
[  266.599665]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.601878] 3*64kB 
[  266.605592]  ? netdev_alloc_frag+0x1f0/0x1f0
[  266.607573] (M) 
[  266.612857]  ? lock_downgrade+0x900/0x900
[  266.615074] 5*128kB 
[  266.619482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.621429] (UM) 
[  266.625574]  ? refcount_sub_and_test_checked+0x203/0x310
[  266.627871] 3*256kB 
[  266.633415]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  266.635457] (M) 
[  266.640922]  ? addrconf_rs_timer+0x690/0x690
[  266.643228] 4*512kB 
[  266.648681]  ndisc_alloc_skb+0x144/0x340
[  266.650624] (UM) 
[  266.655033]  ndisc_send_rs+0x331/0x6e0
[  266.657331] 3*1024kB 
[  266.661387]  addrconf_rs_timer+0x314/0x690
[  266.663421] (UM) 
[  266.667303]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.669693] 3*2048kB 
[  266.673935]  call_timer_fn+0x272/0x920
[  266.675956] (UM) 
[  266.680187]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.682576] 3*4096kB 
[  266.686473]  ? process_timeout+0x40/0x40
[  266.688520] (M) 
[  266.692753]  ? mark_held_locks+0xc7/0x130
[  266.695137] = 25244kB
[  266.699201]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.701155] Node 0 
[  266.705307]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.707697] Normal: 
[  266.712200]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.714413] 719*4kB 
[  266.718904]  ? lockdep_hardirqs_on+0x296/0x5b0
[  266.721202] (UMEH) 
[  266.725428]  ? trace_hardirqs_on+0xbd/0x310
[  266.727731] 258*8kB 
[  266.732325]  ? kasan_check_read+0x11/0x20
[  266.734534] (UME) 
[  266.738856]  ? __run_timers+0x7da/0xc70
[  266.741158] 197*16kB 
[  266.745325]  ? trace_hardirqs_off_caller+0x310/0x310
[  266.747453] (UME) 
[  266.751421]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.753813] 98*32kB 
[  266.758909]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.761033] (UME) 
[  266.765265]  __run_timers+0x7e5/0xc70
[  266.767561] 44*64kB 
[  266.771796]  ? timer_fixup_init+0x70/0x70
[  266.773916] (UM) 
[  266.777717]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  266.780015] 0*128kB 
[  266.784152]  ? zap_class+0x640/0x640
[  266.786204] 0*256kB 
[  266.791221]  ? print_usage_bug+0xc0/0xc0
[  266.793515] 0*512kB 0*1024kB 
[  266.797235]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  266.799535] 0*2048kB 
[  266.803596]  ? find_held_lock+0x36/0x1c0
[  266.806680] 0*4096kB 
[  266.811860]  ? zap_class+0x640/0x640
[  266.814248] = 14044kB
[  266.818307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.820700] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  266.824401]  ? check_preemption_disabled+0x48/0x280
[  266.826790] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  266.832325]  ? __lock_is_held+0xb5/0x140
[  266.841141] 4793 total pagecache pages
[  266.846174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.854731] 0 pages in swap cache
[  266.858792]  ? check_preemption_disabled+0x48/0x280
[  266.862654] Swap cache stats: add 0, delete 0, find 0/0
[  266.868191]  run_timer_softirq+0x52/0xb0
[  266.871620] Free swap  = 0kB
[  266.876632]  ? rcu_read_lock_sched_held+0x14f/0x180
[  266.881969] Total swap = 0kB
[  266.886025]  __do_softirq+0x308/0xb7e
[  266.889024] 1965979 pages RAM
[  266.894038]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  266.897034] 0 pages HighMem/MovableOnly
[  266.900825]  ? lock_downgrade+0x900/0x900
[  266.903909] 342867 pages reserved
[  266.908399]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  266.912351] 0 pages cma reserved
[  266.916499]  ? pvclock_read_flags+0x160/0x160
[  266.920010] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  266.925032]  ? lapic_next_event+0x5a/0x90
[  266.928466] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  266.932860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.939327] syz-executor4 cpuset=
[  266.943475]  ? kvm_clock_read+0x18/0x30
[  266.953936] syz4
[  266.959466]  ? kvm_sched_clock_read+0x9/0x20
[  266.962895]  mems_allowed=0
[  266.966860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.981651]  ? check_preemption_disabled+0x48/0x280
[  266.986682]  irq_exit+0x17f/0x1c0
[  266.990140]  smp_apic_timer_interrupt+0x1cb/0x760
[  266.994992]  ? smp_reschedule_interrupt+0x109/0x650
[  267.000007]  ? smp_call_function_single_interrupt+0x650/0x650
[  267.005898]  ? interrupt_entry+0xb5/0xc0
[  267.009966]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.014982]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.020002]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.024847]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.029864]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.034880]  ? task_prio+0x50/0x50
[  267.038424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.043966]  ? check_preemption_disabled+0x48/0x280
[  267.048994]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.053851]  apic_timer_interrupt+0xf/0x20
[  267.058079]  </IRQ>
[  267.060320] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  267.065512] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  267.084414] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  267.092121] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  267.099391] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  267.106656] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  267.113920] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  267.121193] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  267.128497]  retint_kernel+0x1b/0x2d
[  267.132214] RIP: 0010:dump_stack+0x358/0x39d
[  267.136620] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  267.155519] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  267.163227] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  267.170497] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  267.177763] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  267.185028] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  267.192295] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  267.199586]  ? dump_stack+0x34f/0x39d
[  267.203402]  ? dump_stack_print_info.cold.1+0x20/0x20
[  267.208606]  dump_header+0x27b/0xf72
[  267.212334]  ? mark_held_locks+0x130/0x130
[  267.216576]  ? pagefault_out_of_memory+0x197/0x197
[  267.221515]  ? __lock_acquire+0x62f/0x4c20
[  267.225748]  ? zap_class+0x640/0x640
[  267.229466]  ? percpu_ref_get_many+0x240/0x240
[  267.234051]  ? print_usage_bug+0xc0/0xc0
[  267.238116]  ? print_usage_bug+0xc0/0xc0
[  267.242191]  ? zap_class+0x640/0x640
[  267.245908]  ? print_usage_bug+0xc0/0xc0
[  267.249978]  ? print_usage_bug+0xc0/0xc0
[  267.254048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.259590]  ? find_held_lock+0x36/0x1c0
[  267.263663]  ? mark_held_locks+0xc7/0x130
[  267.267818]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  267.272927]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  267.278035]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  267.282623]  ? trace_hardirqs_on+0xbd/0x310
[  267.286948]  ? kasan_check_read+0x11/0x20
[  267.291096]  ? ___ratelimit+0x3b4/0x672
[  267.295073]  ? trace_hardirqs_off_caller+0x310/0x310
[  267.300395]  ? trace_hardirqs_on+0x310/0x310
[  267.304808]  ? lock_downgrade+0x900/0x900
[  267.308964]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  267.314068]  ? ___ratelimit+0x3b9/0x672
[  267.318047]  ? idr_get_free+0xec0/0xec0
[  267.322023]  ? find_held_lock+0x36/0x1c0
[  267.326098]  oom_kill_process.cold.27+0x10/0x903
[  267.330856]  ? zap_class+0x640/0x640
[  267.334568]  ? check_preemption_disabled+0x48/0x280
[  267.339593]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  267.344525]  ? kasan_check_read+0x11/0x20
[  267.348674]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.353958]  ? oom_evaluate_task+0x540/0x540
[  267.358378]  ? find_held_lock+0x36/0x1c0
[  267.362451]  ? out_of_memory+0x974/0x1430
[  267.366606]  ? lock_downgrade+0x900/0x900
[  267.370754]  ? check_preemption_disabled+0x48/0x280
[  267.375780]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  267.380708]  ? kasan_check_read+0x11/0x20
[  267.384857]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.390140]  ? rcu_softirq_qs+0x20/0x20
[  267.394128]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.399672]  ? oom_evaluate_task+0x302/0x540
[  267.404084]  out_of_memory+0xa84/0x1430
[  267.408068]  ? oom_killer_disable+0x3a0/0x3a0
[  267.412565]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  267.417503]  ? __mutex_add_waiter+0x2a0/0x2a0
[  267.422011]  __alloc_pages_slowpath+0x22d4/0x2d70
[  267.426888]  ? warn_alloc+0x120/0x120
[  267.431206]  ? rcu_softirq_qs+0x20/0x20
[  267.435218]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.440761]  ? should_fail+0x22d/0xd01
[  267.444658]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.449766]  ? zap_class+0x640/0x640
[  267.453518]  ? __lock_is_held+0xb5/0x140
[  267.457591]  ? mark_held_locks+0x130/0x130
[  267.461828]  ? lock_release+0xa00/0xa00
[  267.465805]  ? perf_trace_sched_process_exec+0x860/0x860
[  267.471270]  ? __might_sleep+0x95/0x190
[  267.475271]  __alloc_pages_nodemask+0xa80/0xde0
[  267.479954]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  267.484973]  ? __page_cache_alloc+0x191/0x5c0
[  267.489472]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  267.494401]  ? kasan_check_read+0x11/0x20
[  267.498556]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.503836]  ? zap_class+0x640/0x640
[  267.507557]  ? zap_class+0x640/0x640
[  267.511276]  ? zap_class+0x640/0x640
[  267.514992]  ? __do_page_cache_readahead+0x7ce/0x980
[  267.520104]  ? find_held_lock+0x36/0x1c0
[  267.524180]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  267.529726]  alloc_pages_current+0x173/0x350
[  267.534143]  __page_cache_alloc+0x38c/0x5c0
[  267.538475]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  267.543403]  ? kasan_check_read+0x11/0x20
[  267.547555]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.552838]  ? generic_perform_write+0x6a0/0x6a0
[  267.557595]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.563135]  ? check_preemption_disabled+0x48/0x280
[  267.568180]  filemap_fault+0x1594/0x25f0
[  267.572261]  ? __lock_page_or_retry+0xa00/0xa00
[  267.576936]  ? mark_held_locks+0x130/0x130
[  267.581184]  ? rcu_softirq_qs+0x20/0x20
[  267.585181]  ? filemap_map_pages+0xe04/0x1990
[  267.589694]  ? __free_object+0x173/0x340
[  267.593758]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  267.598692]  ? trace_hardirqs_off_caller+0x310/0x310
[  267.603801]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  267.608482]  ? debug_object_free+0x32d/0x690
[  267.612897]  ? kasan_check_read+0x11/0x20
[  267.617055]  ? debug_object_destroy+0x2b0/0x2b0
[  267.621728]  ? lock_pi_update_atomic+0x150/0x150
[  267.626486]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.632021]  ? __hrtimer_init+0xdb/0x240
[  267.636092]  ? lock_acquire+0x1ed/0x520
[  267.640067]  ? ext4_filemap_fault+0x7a/0xad
[  267.644401]  ? lock_release+0xa00/0xa00
[  267.648374]  ? perf_trace_sched_process_exec+0x860/0x860
[  267.653823]  ? print_usage_bug+0xc0/0xc0
[  267.657883]  ? print_usage_bug+0xc0/0xc0
[  267.661963]  ? down_read+0x8d/0x120
[  267.665590]  ? ext4_filemap_fault+0x7a/0xad
[  267.669913]  ? __down_interruptible+0x700/0x700
[  267.674596]  ext4_filemap_fault+0x82/0xad
[  267.678752]  __do_fault+0x100/0x6b0
[  267.682378]  ? find_held_lock+0x36/0x1c0
[  267.686444]  ? pmd_devmap_trans_unstable+0x220/0x220
[  267.691555]  ? mark_held_locks+0x130/0x130
[  267.695792]  ? mark_held_locks+0x130/0x130
[  267.700042]  ? kasan_check_read+0x11/0x20
[  267.704200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.709743]  __handle_mm_fault+0x307c/0x5920
[  267.714152]  ? perf_trace_lock+0x7a0/0x7a0
[  267.718406]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  267.723260]  ? __switch_to_asm+0x34/0x70
[  267.727327]  ? __switch_to_asm+0x34/0x70
[  267.731401]  ? zap_class+0x640/0x640
[  267.735114]  ? zap_class+0x640/0x640
[  267.738829]  ? __x64_sys_futex+0x53e/0x6a0
[  267.743071]  ? find_held_lock+0x36/0x1c0
[  267.747147]  ? handle_mm_fault+0x42a/0xc70
[  267.751391]  ? lock_downgrade+0x900/0x900
[  267.755538]  ? check_preemption_disabled+0x48/0x280
[  267.760567]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  267.765497]  ? kasan_check_read+0x11/0x20
[  267.769645]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.774933]  ? rcu_softirq_qs+0x20/0x20
[  267.778910]  ? trace_hardirqs_off_caller+0x310/0x310
[  267.784020]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.789557]  ? check_preemption_disabled+0x48/0x280
[  267.794585]  handle_mm_fault+0x54f/0xc70
[  267.798652]  ? __handle_mm_fault+0x5920/0x5920
[  267.803248]  ? find_vma+0x34/0x190
[  267.806793]  __do_page_fault+0x5e8/0xe60
[  267.810854]  ? trace_hardirqs_off+0xb8/0x310
[  267.815277]  do_page_fault+0xf2/0x7e0
[  267.819099]  ? vmalloc_sync_all+0x30/0x30
[  267.823265]  ? error_entry+0x70/0xd0
[  267.827000]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.832028]  ? trace_hardirqs_on_caller+0xc0/0x310
[  267.836976]  ? syscall_return_slowpath+0x5e0/0x5e0
[  267.841905]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.846762]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.851782]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  267.857245]  ? prepare_exit_to_usermode+0x291/0x3b0
[  267.862269]  ? page_fault+0x8/0x30
[  267.865812]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.870660]  ? page_fault+0x8/0x30
[  267.874206]  page_fault+0x1e/0x30
[  267.877662] RIP: 0033:0x40f9c0
[  267.880867] Code: Bad RIP value.
[  267.884230] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  267.889592] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  267.896858] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  267.904126] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  267.911396] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  267.918666] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  267.925965] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  267.926031] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  267.932981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  267.932986] Call Trace:
[  267.932993]  <IRQ>
[  267.933010]  dump_stack+0x244/0x39d
[  267.933028]  ? dump_stack_print_info.cold.1+0x20/0x20
[  267.939592] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  267.948865]  warn_alloc.cold.117+0xb7/0x1bd
[  267.951437] syz-fuzzer cpuset=
[  267.953585]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  267.957195] /
[  267.962380]  ? lock_downgrade+0x900/0x900
[  267.972581]  mems_allowed=0
[  267.976898]  ? trace_hardirqs_off+0xb8/0x310
[  267.998047]  ? trace_hardirqs_off+0xb8/0x310
[  268.002512]  __alloc_pages_slowpath+0x2660/0x2d70
[  268.007398]  ? warn_alloc+0x120/0x120
[  268.011214]  ? warn_alloc+0x120/0x120
[  268.015023]  ? print_usage_bug+0xc0/0xc0
[  268.019088]  ? warn_alloc+0x120/0x120
[  268.022893]  ? print_usage_bug+0xc0/0xc0
[  268.026958]  ? __lock_acquire+0x62f/0x4c20
[  268.031202]  ? __lock_acquire+0x62f/0x4c20
[  268.035449]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.040987]  ? should_fail+0x22d/0xd01
[  268.044877]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.050159]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.055275]  ? __lock_acquire+0x62f/0x4c20
[  268.059514]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.064618]  ? __lock_acquire+0x62f/0x4c20
[  268.068849]  ? should_fail+0x22d/0xd01
[  268.072734]  ? rcu_irq_exit+0x1a2/0x390
[  268.076721]  ? mark_held_locks+0x130/0x130
[  268.080966]  ? mark_held_locks+0x130/0x130
[  268.085211]  ? mark_held_locks+0xc7/0x130
[  268.089356]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  268.094371]  ? zap_class+0x640/0x640
[  268.098083]  ? print_usage_bug+0xc0/0xc0
[  268.102152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.107702]  ? check_preemption_disabled+0x48/0x280
[  268.112731]  ? __lock_is_held+0xb5/0x140
[  268.116801]  __alloc_pages_nodemask+0xa80/0xde0
[  268.121472]  ? zap_class+0x640/0x640
[  268.125196]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  268.130226]  ? find_held_lock+0x36/0x1c0
[  268.134300]  ? ____cache_alloc_node+0x1c7/0x1e0
[  268.138989]  ? lock_downgrade+0x900/0x900
[  268.143150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.148705]  cache_grow_begin+0xa5/0x8c0
[  268.152764]  ? do_raw_spin_unlock+0xa7/0x330
[  268.157187]  fallback_alloc+0x204/0x2e0
[  268.161177]  ____cache_alloc_node+0x1c7/0x1e0
[  268.165685]  kmem_cache_alloc_node+0xe3/0x730
[  268.170188]  ? ipv6_get_ifaddr+0x42e/0x620
[  268.174441]  __alloc_skb+0x119/0x770
[  268.178161]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.183455]  ? netdev_alloc_frag+0x1f0/0x1f0
[  268.187867]  ? lock_downgrade+0x900/0x900
[  268.192023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.197564]  ? refcount_sub_and_test_checked+0x203/0x310
[  268.203022]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  268.208472]  ? addrconf_rs_timer+0x690/0x690
[  268.212893]  ndisc_alloc_skb+0x144/0x340
[  268.216958]  ndisc_send_rs+0x331/0x6e0
[  268.220854]  addrconf_rs_timer+0x314/0x690
[  268.225094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.229343]  call_timer_fn+0x272/0x920
[  268.233230]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.237475]  ? process_timeout+0x40/0x40
[  268.241547]  ? __run_timers+0x7da/0xc70
[  268.245529]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.250026]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.254565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.258802]  ? lockdep_hardirqs_on+0x296/0x5b0
[  268.263388]  ? trace_hardirqs_on+0xbd/0x310
[  268.267710]  ? kasan_check_read+0x11/0x20
[  268.271862]  ? __run_timers+0x7da/0xc70
[  268.275868]  ? trace_hardirqs_off_caller+0x310/0x310
[  268.280974]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.285215]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.289454]  __run_timers+0x7e5/0xc70
[  268.293273]  ? timer_fixup_init+0x70/0x70
[  268.297429]  ? kasan_check_read+0x11/0x20
[  268.301585]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.306861]  ? rcu_softirq_qs+0x20/0x20
[  268.310839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.316375]  ? check_preemption_disabled+0x48/0x280
[  268.321399]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  268.326174]  ? retint_kernel+0x2d/0x2d
[  268.330065]  ? trace_hardirqs_on_caller+0xc0/0x310
[  268.335087]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  268.339847]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  268.345303]  ? zap_class+0x640/0x640
[  268.349025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.354564]  ? check_preemption_disabled+0x48/0x280
[  268.359596]  ? __lock_is_held+0xb5/0x140
[  268.363660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.369206]  ? check_preemption_disabled+0x48/0x280
[  268.374234]  run_timer_softirq+0x52/0xb0
[  268.378307]  ? rcu_read_lock_sched_held+0x14f/0x180
[  268.383324]  __do_softirq+0x308/0xb7e
[  268.387133]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  268.391639]  ? lock_downgrade+0x900/0x900
[  268.395799]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  268.400914]  ? pvclock_read_flags+0x160/0x160
[  268.405413]  ? lapic_next_event+0x5a/0x90
[  268.409567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.415111]  ? kvm_clock_read+0x18/0x30
[  268.419092]  ? kvm_sched_clock_read+0x9/0x20
[  268.423508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.429045]  ? check_preemption_disabled+0x48/0x280
[  268.434278]  irq_exit+0x17f/0x1c0
[  268.437734]  smp_apic_timer_interrupt+0x1cb/0x760
[  268.442577]  ? smp_call_function_single_interrupt+0x159/0x650
[  268.448462]  ? smp_call_function_single_interrupt+0x650/0x650
[  268.454351]  ? interrupt_entry+0xb5/0xc0
[  268.458417]  ? trace_hardirqs_off_caller+0xbb/0x310
[  268.463445]  ? trace_hardirqs_off_caller+0xbb/0x310
[  268.468466]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.473314]  ? trace_hardirqs_on_caller+0x310/0x310
[  268.478331]  ? trace_hardirqs_on_caller+0x310/0x310
[  268.483349]  ? task_prio+0x50/0x50
[  268.486890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.492435]  ? check_preemption_disabled+0x48/0x280
[  268.497466]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.502321]  apic_timer_interrupt+0xf/0x20
[  268.506554]  </IRQ>
[  268.508799] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  268.513729] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  268.532630] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  268.540346] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  268.547615] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  268.554884] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  268.562148] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  268.569428] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  268.576746]  skb_clone+0x1bb/0x500
[  268.580289]  ? skb_split+0x11e0/0x11e0
[  268.584187]  ? check_preemption_disabled+0x48/0x280
[  268.589220]  ? __this_cpu_preempt_check+0x1c/0x20
[  268.594070]  ? __bpf_redirect+0x54b/0xb20
[  268.598235]  bpf_clone_redirect+0xb9/0x490
[  268.602482]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  268.607504]  ? __sched_text_start+0x8/0x8
[  268.611655]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  268.616418]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  268.621007]  ? retint_kernel+0x2d/0x2d
[  268.624906]  ? find_held_lock+0x36/0x1c0
[  268.628981]  ? lock_acquire+0x1ed/0x520
[  268.632954]  ? bpf_test_run+0x3cb/0x780
[  268.636931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.642501]  ? check_preemption_disabled+0x48/0x280
[  268.647525]  ? kasan_check_read+0x11/0x20
[  268.651676]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.656955]  ? rcu_softirq_qs+0x20/0x20
[  268.660929]  ? preempt_schedule+0x4d/0x60
[  268.665085]  ? ___preempt_schedule+0x16/0x18
[  268.669513]  ? bpf_test_run+0x25d/0x780
[  268.673510]  ? netlink_diag_dump+0x2a0/0x2a0
[  268.677933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.683476]  ? bpf_test_init.isra.10+0x70/0x100
[  268.688153]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  268.692928]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  268.697772]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  268.703314]  ? fput+0x130/0x1a0
[  268.706595]  ? __bpf_prog_get+0x9b/0x290
[  268.710661]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  268.715509]  ? bpf_prog_test_run+0x130/0x1a0
[  268.719924]  ? __x64_sys_bpf+0x3d8/0x520
[  268.723985]  ? bpf_prog_get+0x20/0x20
[  268.727810]  ? do_syscall_64+0x1b9/0x820
[  268.731878]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  268.737245]  ? syscall_return_slowpath+0x5e0/0x5e0
[  268.742180]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.747032]  ? trace_hardirqs_on_caller+0x310/0x310
[  268.752057]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  268.757079]  ? prepare_exit_to_usermode+0x291/0x3b0
[  268.762105]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.766960]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  268.772352] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  268.772357] warn_alloc_show_mem: 1 callbacks suppressed
[  268.772364] Mem-Info:
[  268.779031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  268.784400] active_anon:56297 inactive_anon:436 isolated_anon:0
[  268.784400]  active_file:15 inactive_file:14 isolated_file:0
[  268.784400]  unevictable:0 dirty:0 writeback:0 unstable:0
[  268.784400]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  268.784400]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  268.784400]  free:13786 free_pcp:429 free_cma:0
[  268.786774] Call Trace:
[  268.796173] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  268.829112]  <IRQ>
[  268.831686] Node 0 
[  268.859456]  dump_stack+0x244/0x39d
[  268.861608] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  268.863823]  ? dump_stack_print_info.cold.1+0x20/0x20
[  268.867416] lowmem_reserve[]: 0
[  268.892949]  warn_alloc.cold.117+0xb7/0x1bd
[  268.898095]  2818 6321
[  268.901383]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  268.905670]  6321
[  268.908180]  ? lock_downgrade+0x900/0x900
[  268.912993] Node 0 
[  268.915059]  ? trace_hardirqs_off+0xb8/0x310
[  268.919207] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  268.921419]  ? trace_hardirqs_off+0xb8/0x310
[  268.925806] lowmem_reserve[]:
[  268.952537]  __alloc_pages_slowpath+0x2660/0x2d70
[  268.956911]  0 0
[  268.960050]  ? warn_alloc+0x120/0x120
[  268.964834]  3503 3503
[  268.966815]  ? warn_alloc+0x120/0x120
[  268.973090]  ? print_usage_bug+0xc0/0xc0
[  268.976863] Node 0 
[  268.980920]  ? warn_alloc+0x120/0x120
[  268.980951] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  268.980959] lowmem_reserve[]:
[  268.983201]  ? print_usage_bug+0xc0/0xc0
[  268.986974]  0 0
[  269.015455]  ? __lock_acquire+0x62f/0x4c20
[  269.018541]  0
[  269.022596]  ? __lock_acquire+0x62f/0x4c20
[  269.024552]  0
[  269.028781]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.030557] Node 0 
[  269.034785]  ? should_fail+0x22d/0xd01
[  269.036583] DMA: 
[  269.042121]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.044330] 1*4kB 
[  269.048208]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.050249] (U) 
[  269.055521]  ? __lock_acquire+0x62f/0x4c20
[  269.057647] 0*8kB 
[  269.062741]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.064695] 0*16kB 
[  269.068919]  ? __lock_acquire+0x62f/0x4c20
[  269.071049] 1*32kB 
[  269.076141]  ? should_fail+0x22d/0xd01
[  269.078357] (U) 
[  269.082592]  ? rcu_irq_exit+0x1a2/0x390
[  269.084803] 2*64kB 
[  269.088694]  ? mark_held_locks+0x130/0x130
[  269.090637] (U) 
[  269.094609]  ? mark_held_locks+0x130/0x130
[  269.096822] 1*128kB 
[  269.101055]  ? mark_held_locks+0xc7/0x130
[  269.103005] (U) 
[  269.107234]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  269.109534] 1*256kB 
[  269.113674]  ? zap_class+0x640/0x640
[  269.115626] (U) 
[  269.120637]  ? print_usage_bug+0xc0/0xc0
[  269.122930] 0*512kB 1*1024kB 
[  269.126661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.128610] (U) 
[  269.132669]  ? check_preemption_disabled+0x48/0x280
[  269.135751] 1*2048kB 
[  269.141291]  ? __lock_is_held+0xb5/0x140
[  269.143238] (M) 
[  269.148253]  __alloc_pages_nodemask+0xa80/0xde0
[  269.150637] 3*4096kB 
[  269.154692]  ? zap_class+0x640/0x640
[  269.156645] (M) 
[  269.161317]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  269.163694] = 15908kB
[  269.163702] Node 0 
[  269.167426]  ? find_held_lock+0x36/0x1c0
[  269.169371] DMA32: 
[  269.174387]  ? ____cache_alloc_node+0x1c7/0x1e0
[  269.176770] 5*4kB 
[  269.179002]  ? lock_downgrade+0x900/0x900
[  269.183038] (UM) 
[  269.185281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.189923] 1*8kB 
[  269.192073]  cache_grow_begin+0xa5/0x8c0
[  269.196192] (U) 
[  269.198249]  ? do_raw_spin_unlock+0xa7/0x330
[  269.203763] 2*16kB 
[  269.205913]  fallback_alloc+0x204/0x2e0
[  269.209939] (M) 
[  269.211913]  ____cache_alloc_node+0x1c7/0x1e0
[  269.216296] 1*32kB 
[  269.218528]  kmem_cache_alloc_node+0xe3/0x730
[  269.222472] (M) 
[  269.224438]  ? ipv6_get_ifaddr+0x42e/0x620
[  269.224462]  __alloc_skb+0x119/0x770
[  269.228931] 3*64kB 
[  269.231171]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.235635] (M) 
[  269.237607]  ? netdev_alloc_frag+0x1f0/0x1f0
[  269.241831] 5*128kB (UM) 
[  269.245550]  ? lock_downgrade+0x900/0x900
[  269.247760] 3*256kB 
[  269.253036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.254983] (M) 
[  269.259392]  ? refcount_sub_and_test_checked+0x203/0x310
[  269.262127] 4*512kB 
[  269.266269]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  269.268568] (UM) 
[  269.274102]  ? addrconf_rs_timer+0x690/0x690
[  269.276055] 3*1024kB 
[  269.281508]  ndisc_alloc_skb+0x144/0x340
[  269.283801] (UM) 
[  269.289249]  ndisc_send_rs+0x331/0x6e0
[  269.291292] 3*2048kB 
[  269.295693]  addrconf_rs_timer+0x314/0x690
[  269.298473] (UM) 
[  269.302539]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.304575] 3*4096kB 
[  269.308470]  call_timer_fn+0x272/0x920
[  269.310845] (M) 
[  269.315078]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.317117] = 25244kB
[  269.321349]  ? process_timeout+0x40/0x40
[  269.323735] Node 0 
[  269.327628]  ? mark_held_locks+0xc7/0x130
[  269.329576] Normal: 
[  269.333812]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.336198] 719*4kB 
[  269.340282]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.342496] (UMEH) 
[  269.346652]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.348954] 258*8kB 
[  269.353452]  ? lockdep_hardirqs_on+0x296/0x5b0
[  269.355753] (UME) 
[  269.360249]  ? trace_hardirqs_on+0xbd/0x310
[  269.362461] 197*16kB 
[  269.366693]  ? kasan_check_read+0x11/0x20
[  269.366712]  ? __run_timers+0x7da/0xc70
[  269.369016] (UME) 
[  269.373597]  ? trace_hardirqs_off_caller+0x310/0x310
[  269.375725] 98*32kB 
[  269.380046]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.382431] (UME) 
[  269.386579]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.390527] 44*64kB (UM) 
[  269.392709]  __run_timers+0x7e5/0xc70
[  269.397785] 0*128kB 0*256kB 
[  269.400132]  ? timer_fixup_init+0x70/0x70
[  269.404330] 0*512kB 
[  269.406480]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  269.410686] 0*1024kB 0*2048kB 
[  269.413449]  ? zap_class+0x640/0x640
[  269.417221] 0*4096kB = 14044kB
[  269.420254]  ? print_usage_bug+0xc0/0xc0
[  269.424384] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  269.426704]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  269.431703] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  269.434895]  ? find_held_lock+0x36/0x1c0
[  269.438580] 4793 total pagecache pages
[  269.441774]  ? zap_class+0x640/0x640
[  269.445813] 0 pages in swap cache
[  269.454653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.459917] Swap cache stats: add 0, delete 0, find 0/0
[  269.468505]  ? check_preemption_disabled+0x48/0x280
[  269.472540] Free swap  = 0kB
[  269.476434]  ? __lock_is_held+0xb5/0x140
[  269.480126] Total swap = 0kB
[  269.483575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.489084] 1965979 pages RAM
[  269.494455]  ? check_preemption_disabled+0x48/0x280
[  269.499442] 0 pages HighMem/MovableOnly
[  269.499450] 342867 pages reserved
[  269.502469]  run_timer_softirq+0x52/0xb0
[  269.506502] 0 pages cma reserved
[  269.509518]  ? rcu_read_lock_sched_held+0x14f/0x180
[  269.515099] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  269.518130]  __do_softirq+0x308/0xb7e
[  269.518148]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  269.518162]  ? lock_downgrade+0x900/0x900
[  269.518187]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  269.523250] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  269.527169]  ? pvclock_read_flags+0x160/0x160
[  269.530599] syz-executor4 cpuset=
[  269.534658]  ? lapic_next_event+0x5a/0x90
[  269.537995] syz4
[  269.543012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.549480]  mems_allowed=0
[  269.553282]  ? kvm_clock_read+0x18/0x30
[  269.603888]  ? kvm_sched_clock_read+0x9/0x20
[  269.608310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.613852]  ? check_preemption_disabled+0x48/0x280
[  269.618889]  irq_exit+0x17f/0x1c0
[  269.622344]  smp_apic_timer_interrupt+0x1cb/0x760
[  269.627195]  ? smp_reschedule_interrupt+0x109/0x650
[  269.632218]  ? smp_call_function_single_interrupt+0x650/0x650
[  269.638105]  ? interrupt_entry+0xb5/0xc0
[  269.642180]  ? trace_hardirqs_off_caller+0xbb/0x310
[  269.647203]  ? trace_hardirqs_off_caller+0xbb/0x310
[  269.652225]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.657071]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.662091]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.667109]  ? task_prio+0x50/0x50
[  269.670662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.676210]  ? check_preemption_disabled+0x48/0x280
[  269.681236]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.686092]  apic_timer_interrupt+0xf/0x20
[  269.690327]  </IRQ>
[  269.692568] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  269.697760] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  269.716690] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  269.724406] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  269.731675] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  269.738949] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  269.746217] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  269.753485] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  269.760796]  retint_kernel+0x1b/0x2d
[  269.764512] RIP: 0010:dump_stack+0x358/0x39d
[  269.768921] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  269.787837] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  269.795555] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  269.802824] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  269.810093] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  269.817369] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  269.824643] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  269.831944]  ? dump_stack+0x34f/0x39d
[  269.835760]  ? dump_stack_print_info.cold.1+0x20/0x20
[  269.840969]  dump_header+0x27b/0xf72
[  269.844699]  ? mark_held_locks+0x130/0x130
[  269.848947]  ? pagefault_out_of_memory+0x197/0x197
[  269.853887]  ? __lock_acquire+0x62f/0x4c20
[  269.858123]  ? zap_class+0x640/0x640
[  269.861846]  ? percpu_ref_get_many+0x240/0x240
[  269.866441]  ? print_usage_bug+0xc0/0xc0
[  269.870511]  ? print_usage_bug+0xc0/0xc0
[  269.874586]  ? zap_class+0x640/0x640
[  269.878305]  ? print_usage_bug+0xc0/0xc0
[  269.882370]  ? print_usage_bug+0xc0/0xc0
[  269.886442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.891989]  ? find_held_lock+0x36/0x1c0
[  269.896065]  ? mark_held_locks+0xc7/0x130
[  269.900220]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  269.905327]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  269.910438]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  269.915035]  ? trace_hardirqs_on+0xbd/0x310
[  269.919370]  ? kasan_check_read+0x11/0x20
[  269.923527]  ? ___ratelimit+0x3b4/0x672
[  269.927513]  ? trace_hardirqs_off_caller+0x310/0x310
[  269.932628]  ? trace_hardirqs_on+0x310/0x310
[  269.937042]  ? lock_downgrade+0x900/0x900
[  269.941208]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  269.946318]  ? ___ratelimit+0x3b9/0x672
[  269.950297]  ? idr_get_free+0xec0/0xec0
[  269.954273]  ? find_held_lock+0x36/0x1c0
[  269.958350]  oom_kill_process.cold.27+0x10/0x903
[  269.963109]  ? zap_class+0x640/0x640
[  269.966835]  ? check_preemption_disabled+0x48/0x280
[  269.971893]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  269.976828]  ? kasan_check_read+0x11/0x20
[  269.980984]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.986267]  ? oom_evaluate_task+0x540/0x540
[  269.990685]  ? find_held_lock+0x36/0x1c0
[  269.994758]  ? out_of_memory+0x974/0x1430
[  269.998912]  ? lock_downgrade+0x900/0x900
[  270.003072]  ? check_preemption_disabled+0x48/0x280
[  270.008101]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  270.013035]  ? kasan_check_read+0x11/0x20
[  270.017196]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.022483]  ? rcu_softirq_qs+0x20/0x20
[  270.026467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.032004]  ? oom_evaluate_task+0x302/0x540
[  270.036417]  out_of_memory+0xa84/0x1430
[  270.040404]  ? oom_killer_disable+0x3a0/0x3a0
[  270.044904]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  270.049845]  ? __mutex_add_waiter+0x2a0/0x2a0
[  270.054353]  __alloc_pages_slowpath+0x22d4/0x2d70
[  270.059236]  ? warn_alloc+0x120/0x120
[  270.063040]  ? rcu_softirq_qs+0x20/0x20
[  270.067044]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.072579]  ? should_fail+0x22d/0xd01
[  270.076473]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.081580]  ? zap_class+0x640/0x640
[  270.085325]  ? __lock_is_held+0xb5/0x140
[  270.089401]  ? mark_held_locks+0x130/0x130
[  270.093643]  ? lock_release+0xa00/0xa00
[  270.097619]  ? perf_trace_sched_process_exec+0x860/0x860
[  270.103082]  ? __might_sleep+0x95/0x190
[  270.107063]  __alloc_pages_nodemask+0xa80/0xde0
[  270.111741]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  270.116761]  ? __page_cache_alloc+0x191/0x5c0
[  270.121258]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  270.126200]  ? kasan_check_read+0x11/0x20
[  270.130353]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.135634]  ? zap_class+0x640/0x640
[  270.139355]  ? zap_class+0x640/0x640
[  270.143099]  ? zap_class+0x640/0x640
[  270.146818]  ? __do_page_cache_readahead+0x7ce/0x980
[  270.151934]  ? find_held_lock+0x36/0x1c0
[  270.156001]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  270.161546]  alloc_pages_current+0x173/0x350
[  270.165970]  __page_cache_alloc+0x38c/0x5c0
[  270.170294]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  270.175225]  ? kasan_check_read+0x11/0x20
[  270.179378]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.184663]  ? generic_perform_write+0x6a0/0x6a0
[  270.189426]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.194966]  ? check_preemption_disabled+0x48/0x280
[  270.199991]  filemap_fault+0x1594/0x25f0
[  270.204068]  ? __lock_page_or_retry+0xa00/0xa00
[  270.208748]  ? mark_held_locks+0x130/0x130
[  270.212990]  ? rcu_softirq_qs+0x20/0x20
[  270.216981]  ? filemap_map_pages+0xe04/0x1990
[  270.221490]  ? __free_object+0x173/0x340
[  270.225556]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  270.230488]  ? trace_hardirqs_off_caller+0x310/0x310
[  270.235593]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  270.240275]  ? debug_object_free+0x32d/0x690
[  270.244685]  ? kasan_check_read+0x11/0x20
[  270.248837]  ? debug_object_destroy+0x2b0/0x2b0
[  270.253514]  ? lock_pi_update_atomic+0x150/0x150
[  270.258269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.263804]  ? __hrtimer_init+0xdb/0x240
[  270.267883]  ? lock_acquire+0x1ed/0x520
[  270.271856]  ? ext4_filemap_fault+0x7a/0xad
[  270.276196]  ? lock_release+0xa00/0xa00
[  270.280180]  ? perf_trace_sched_process_exec+0x860/0x860
[  270.285636]  ? print_usage_bug+0xc0/0xc0
[  270.289699]  ? print_usage_bug+0xc0/0xc0
[  270.293775]  ? down_read+0x8d/0x120
[  270.297402]  ? ext4_filemap_fault+0x7a/0xad
[  270.301726]  ? __down_interruptible+0x700/0x700
[  270.306410]  ext4_filemap_fault+0x82/0xad
[  270.310564]  __do_fault+0x100/0x6b0
[  270.314201]  ? find_held_lock+0x36/0x1c0
[  270.318270]  ? pmd_devmap_trans_unstable+0x220/0x220
[  270.323381]  ? mark_held_locks+0x130/0x130
[  270.327642]  ? mark_held_locks+0x130/0x130
[  270.331892]  ? kasan_check_read+0x11/0x20
[  270.336050]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.341594]  __handle_mm_fault+0x307c/0x5920
[  270.346003]  ? perf_trace_lock+0x7a0/0x7a0
[  270.350267]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  270.355122]  ? __switch_to_asm+0x34/0x70
[  270.359199]  ? __switch_to_asm+0x34/0x70
[  270.363277]  ? zap_class+0x640/0x640
[  270.366996]  ? zap_class+0x640/0x640
[  270.370715]  ? __x64_sys_futex+0x53e/0x6a0
[  270.374964]  ? find_held_lock+0x36/0x1c0
[  270.379041]  ? handle_mm_fault+0x42a/0xc70
[  270.383286]  ? lock_downgrade+0x900/0x900
[  270.387437]  ? check_preemption_disabled+0x48/0x280
[  270.392464]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  270.397394]  ? kasan_check_read+0x11/0x20
[  270.401547]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.406830]  ? rcu_softirq_qs+0x20/0x20
[  270.410804]  ? trace_hardirqs_off_caller+0x310/0x310
[  270.415913]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.421460]  ? check_preemption_disabled+0x48/0x280
[  270.426493]  handle_mm_fault+0x54f/0xc70
[  270.431048]  ? __handle_mm_fault+0x5920/0x5920
[  270.435641]  ? find_vma+0x34/0x190
[  270.439196]  __do_page_fault+0x5e8/0xe60
[  270.443261]  ? trace_hardirqs_off+0xb8/0x310
[  270.447680]  do_page_fault+0xf2/0x7e0
[  270.451488]  ? vmalloc_sync_all+0x30/0x30
[  270.455643]  ? error_entry+0x70/0xd0
[  270.459363]  ? trace_hardirqs_off_caller+0xbb/0x310
[  270.464381]  ? trace_hardirqs_on_caller+0xc0/0x310
[  270.469315]  ? syscall_return_slowpath+0x5e0/0x5e0
[  270.474248]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.479099]  ? trace_hardirqs_on_caller+0x310/0x310
[  270.484117]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  270.489578]  ? prepare_exit_to_usermode+0x291/0x3b0
[  270.494601]  ? page_fault+0x8/0x30
[  270.498148]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.503008]  ? page_fault+0x8/0x30
[  270.506553]  page_fault+0x1e/0x30
[  270.510025] RIP: 0033:0x40f9c0
[  270.513229] Code: Bad RIP value.
[  270.516594] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  270.521961] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  270.529231] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  270.536502] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  270.543777] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  270.551046] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  270.558350] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  270.558414] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  270.565370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  270.565380] Call Trace:
[  270.571976] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  270.581217]  <IRQ>
[  270.583794] syz-fuzzer cpuset=
[  270.594022]  dump_stack+0x244/0x39d
[  270.596149] /
[  270.599348]  ? dump_stack_print_info.cold.1+0x20/0x20
[  270.602950]  mems_allowed=0
[  270.604665]  warn_alloc.cold.117+0xb7/0x1bd
[  270.617077]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  270.621928]  ? lock_downgrade+0x900/0x900
[  270.626089]  ? trace_hardirqs_off+0xb8/0x310
[  270.630508]  ? trace_hardirqs_off+0xb8/0x310
[  270.634930]  __alloc_pages_slowpath+0x2660/0x2d70
[  270.639815]  ? warn_alloc+0x120/0x120
[  270.643630]  ? warn_alloc+0x120/0x120
[  270.647444]  ? print_usage_bug+0xc0/0xc0
[  270.651510]  ? warn_alloc+0x120/0x120
[  270.655319]  ? print_usage_bug+0xc0/0xc0
[  270.659385]  ? __lock_acquire+0x62f/0x4c20
[  270.663623]  ? __lock_acquire+0x62f/0x4c20
[  270.667867]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.673408]  ? should_fail+0x22d/0xd01
[  270.677311]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.682422]  ? __lock_acquire+0x62f/0x4c20
[  270.686670]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.691777]  ? __lock_acquire+0x62f/0x4c20
[  270.696013]  ? should_fail+0x22d/0xd01
[  270.699908]  ? find_held_lock+0x36/0x1c0
[  270.703988]  ? mark_held_locks+0x130/0x130
[  270.708235]  ? mark_held_locks+0x130/0x130
[  270.712502]  ? zap_class+0x640/0x640
[  270.716222]  ? zap_class+0x640/0x640
[  270.719947]  ? print_usage_bug+0xc0/0xc0
[  270.724010]  ? do_raw_spin_unlock+0xa7/0x330
[  270.728430]  ? zap_class+0x640/0x640
[  270.732150]  ? print_usage_bug+0xc0/0xc0
[  270.736222]  ? wq_watchdog_touch+0x9c/0xfe
[  270.740466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.746009]  ? check_preemption_disabled+0x48/0x280
[  270.751049]  ? __lock_is_held+0xb5/0x140
[  270.755122]  __alloc_pages_nodemask+0xa80/0xde0
[  270.759796]  ? zap_class+0x640/0x640
[  270.763527]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  270.768561]  ? find_held_lock+0x36/0x1c0
[  270.772639]  ? ____cache_alloc_node+0x1c7/0x1e0
[  270.777315]  ? lock_downgrade+0x900/0x900
[  270.781475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.787025]  cache_grow_begin+0xa5/0x8c0
[  270.791094]  ? do_raw_spin_unlock+0xa7/0x330
[  270.795515]  fallback_alloc+0x204/0x2e0
[  270.799507]  ____cache_alloc_node+0x1c7/0x1e0
[  270.804011]  kmem_cache_alloc_node+0xe3/0x730
[  270.808508]  ? ipv6_get_ifaddr+0x42e/0x620
[  270.812755]  __alloc_skb+0x119/0x770
[  270.816477]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.821769]  ? netdev_alloc_frag+0x1f0/0x1f0
[  270.826195]  ? lock_downgrade+0x900/0x900
[  270.830364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.835911]  ? refcount_sub_and_test_checked+0x203/0x310
[  270.841379]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  270.846840]  ? addrconf_rs_timer+0x690/0x690
[  270.851266]  ndisc_alloc_skb+0x144/0x340
[  270.855338]  ndisc_send_rs+0x331/0x6e0
[  270.859238]  addrconf_rs_timer+0x314/0x690
[  270.863482]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.867737]  call_timer_fn+0x272/0x920
[  270.871631]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.875877]  ? process_timeout+0x40/0x40
[  270.879956]  ? __run_timers+0x7da/0xc70
[  270.883938]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.888458]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.892958]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.897200]  ? lockdep_hardirqs_on+0x296/0x5b0
[  270.901790]  ? trace_hardirqs_on+0xbd/0x310
[  270.906119]  ? kasan_check_read+0x11/0x20
[  270.910274]  ? __run_timers+0x7da/0xc70
[  270.914255]  ? trace_hardirqs_off_caller+0x310/0x310
[  270.919370]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.923615]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.927861]  __run_timers+0x7e5/0xc70
[  270.931687]  ? timer_fixup_init+0x70/0x70
[  270.935843]  ? kasan_check_read+0x11/0x20
[  270.939998]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.945286]  ? rcu_softirq_qs+0x20/0x20
[  270.949266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.954829]  ? check_preemption_disabled+0x48/0x280
[  270.959860]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  270.964627]  ? retint_kernel+0x2d/0x2d
[  270.968523]  ? trace_hardirqs_on_caller+0xc0/0x310
[  270.973467]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  270.978237]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  270.983705]  ? zap_class+0x640/0x640
[  270.987442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.992989]  ? check_preemption_disabled+0x48/0x280
[  270.998027]  ? __lock_is_held+0xb5/0x140
[  271.002097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.007645]  ? check_preemption_disabled+0x48/0x280
[  271.012679]  run_timer_softirq+0x52/0xb0
[  271.016754]  ? rcu_read_lock_sched_held+0x14f/0x180
[  271.021785]  __do_softirq+0x308/0xb7e
[  271.025605]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  271.030110]  ? lock_downgrade+0x900/0x900
[  271.034283]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  271.039406]  ? pvclock_read_flags+0x160/0x160
[  271.043920]  ? lapic_next_event+0x5a/0x90
[  271.048077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.053630]  ? kvm_clock_read+0x18/0x30
[  271.057603]  ? kvm_sched_clock_read+0x9/0x20
[  271.062015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.067559]  ? check_preemption_disabled+0x48/0x280
[  271.072587]  irq_exit+0x17f/0x1c0
[  271.076046]  smp_apic_timer_interrupt+0x1cb/0x760
[  271.080894]  ? smp_call_function_single_interrupt+0x159/0x650
[  271.086790]  ? smp_call_function_single_interrupt+0x650/0x650
[  271.092685]  ? interrupt_entry+0xb5/0xc0
[  271.096757]  ? trace_hardirqs_off_caller+0xbb/0x310
[  271.101782]  ? trace_hardirqs_off_caller+0xbb/0x310
[  271.106809]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.111656]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.116674]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.121694]  ? task_prio+0x50/0x50
[  271.125244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.130784]  ? check_preemption_disabled+0x48/0x280
[  271.135815]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.140677]  apic_timer_interrupt+0xf/0x20
[  271.144909]  </IRQ>
[  271.147149] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  271.152086] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  271.170998] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  271.178728] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  271.186008] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  271.193285] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  271.200562] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  271.207838] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  271.215160]  skb_clone+0x1bb/0x500
[  271.218718]  ? skb_split+0x11e0/0x11e0
[  271.222610]  ? check_preemption_disabled+0x48/0x280
[  271.227641]  ? __this_cpu_preempt_check+0x1c/0x20
[  271.232493]  ? __bpf_redirect+0x54b/0xb20
[  271.236659]  bpf_clone_redirect+0xb9/0x490
[  271.240909]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  271.245931]  ? __sched_text_start+0x8/0x8
[  271.250085]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  271.254848]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  271.259440]  ? retint_kernel+0x2d/0x2d
[  271.263339]  ? find_held_lock+0x36/0x1c0
[  271.267413]  ? lock_acquire+0x1ed/0x520
[  271.271395]  ? bpf_test_run+0x3cb/0x780
[  271.275376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.280917]  ? check_preemption_disabled+0x48/0x280
[  271.285944]  ? kasan_check_read+0x11/0x20
[  271.290099]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.295388]  ? rcu_softirq_qs+0x20/0x20
[  271.300888]  ? preempt_schedule+0x4d/0x60
[  271.305044]  ? ___preempt_schedule+0x16/0x18
[  271.309471]  ? bpf_test_run+0x25d/0x780
[  271.313468]  ? netlink_diag_dump+0x2a0/0x2a0
[  271.317884]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.323434]  ? bpf_test_init.isra.10+0x70/0x100
[  271.328117]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  271.332899]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  271.337751]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  271.343297]  ? fput+0x130/0x1a0
[  271.346588]  ? __bpf_prog_get+0x9b/0x290
[  271.350659]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  271.355506]  ? bpf_prog_test_run+0x130/0x1a0
[  271.359928]  ? __x64_sys_bpf+0x3d8/0x520
[  271.363994]  ? bpf_prog_get+0x20/0x20
[  271.367825]  ? do_syscall_64+0x1b9/0x820
[  271.371895]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  271.377269]  ? syscall_return_slowpath+0x5e0/0x5e0
[  271.382209]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.387072]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.392102]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  271.397138]  ? prepare_exit_to_usermode+0x291/0x3b0
[  271.402194]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.407060]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  271.412462] warn_alloc_show_mem: 1 callbacks suppressed
[  271.412475] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  271.412477] Mem-Info:
[  271.412510] active_anon:56297 inactive_anon:436 isolated_anon:0
[  271.412510]  active_file:15 inactive_file:14 isolated_file:0
[  271.412510]  unevictable:0 dirty:0 writeback:0 unstable:0
[  271.412510]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  271.412510]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  271.412510]  free:13786 free_pcp:429 free_cma:0
[  271.417857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  271.417869] Call Trace:
[  271.424562] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  271.426971]  <IRQ>
[  271.459941] Node 0 
[  271.469316]  dump_stack+0x244/0x39d
[  271.471905] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  271.499656]  ? dump_stack_print_info.cold.1+0x20/0x20
[  271.501780] lowmem_reserve[]:
[  271.504029]  warn_alloc.cold.117+0xb7/0x1bd
[  271.507618]  0
[  271.533136]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  271.538298]  2818
[  271.541400]  ? lock_downgrade+0x900/0x900
[  271.545689]  6321 6321
[  271.547504]  ? trace_hardirqs_off+0xb8/0x310
[  271.552316] Node 0 
[  271.554384]  ? trace_hardirqs_off+0xb8/0x310
[  271.558530] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  271.561005]  __alloc_pages_slowpath+0x2660/0x2d70
[  271.565399] lowmem_reserve[]:
[  271.567663]  ? warn_alloc+0x120/0x120
[  271.572015]  0 0
[  271.598758]  ? warn_alloc+0x120/0x120
[  271.603577]  3503
[  271.606679]  ? print_usage_bug+0xc0/0xc0
[  271.610448]  3503
[  271.612435]  ? warn_alloc+0x120/0x120
[  271.616213] Node 0 
[  271.618271]  ? print_usage_bug+0xc0/0xc0
[  271.622335] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  271.624372]  ? __lock_acquire+0x62f/0x4c20
[  271.628161] lowmem_reserve[]: 0
[  271.630412]  ? __lock_acquire+0x62f/0x4c20
[  271.634455]  0
[  271.662922]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.667135]  0
[  271.670409]  ? should_fail+0x22d/0xd01
[  271.674620]  0
[  271.676430]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.681943] Node 0 
[  271.683748]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.687610] DMA: 
[  271.689413]  ? __lock_acquire+0x62f/0x4c20
[  271.694666] 1*4kB 
[  271.696902]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.701981] (U) 
[  271.704046]  ? __lock_acquire+0x62f/0x4c20
[  271.708254] 0*8kB 
[  271.710395]  ? should_fail+0x22d/0xd01
[  271.715469] 0*16kB 1*32kB 
[  271.717452]  ? rcu_irq_exit+0x1a2/0x390
[  271.721651] (U) 2*64kB 
[  271.723816]  ? mark_held_locks+0x130/0x130
[  271.727674] (U) 
[  271.730516]  ? mark_held_locks+0x130/0x130
[  271.734468] 1*128kB 
[  271.737051]  ? mark_held_locks+0xc7/0x130
[  271.741259] (U) 
[  271.743230]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  271.747442] 1*256kB (U) 
[  271.749772]  ? zap_class+0x640/0x640
[  271.753895] 0*512kB 
[  271.755865]  ? print_usage_bug+0xc0/0xc0
[  271.760858] 1*1024kB 
[  271.763525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.767208] (U) 1*2048kB 
[  271.769539]  ? check_preemption_disabled+0x48/0x280
[  271.773567] (M) 3*4096kB 
[  271.775995]  ? __lock_is_held+0xb5/0x140
[  271.781523] (M) 
[  271.784294]  __alloc_pages_nodemask+0xa80/0xde0
[  271.789279] = 15908kB
[  271.789288] Node 0 
[  271.792051]  ? zap_class+0x640/0x640
[  271.796081] DMA32: 5*4kB 
[  271.798078]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  271.802720] (UM) 
[  271.805177]  ? find_held_lock+0x36/0x1c0
[  271.807373] 1*8kB 
[  271.811096]  ? ____cache_alloc_node+0x1c7/0x1e0
[  271.813818] (U) 2*16kB 
[  271.818848]  ? lock_downgrade+0x900/0x900
[  271.820881] (M) 1*32kB 
[  271.824960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.827084] (M) 
[  271.831774]  cache_grow_begin+0xa5/0x8c0
[  271.834337] 3*64kB 
[  271.838486]  ? do_raw_spin_unlock+0xa7/0x330
[  271.841046] (M) 
[  271.846590]  fallback_alloc+0x204/0x2e0
[  271.848533] 5*128kB (UM) 
[  271.852603]  ____cache_alloc_node+0x1c7/0x1e0
[  271.854814] 3*256kB 
[  271.859225]  kmem_cache_alloc_node+0xe3/0x730
[  271.861195] (M) 
[  271.865174]  ? ipv6_get_ifaddr+0x42e/0x620
[  271.867915] 4*512kB 
[  271.872419]  __alloc_skb+0x119/0x770
[  271.874714] (UM) 
[  271.879209]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.881161] 3*1024kB 
[  271.885406]  ? netdev_alloc_frag+0x1f0/0x1f0
[  271.887700] (UM) 
[  271.891414]  ? lock_downgrade+0x900/0x900
[  271.893458] 3*2048kB 
[  271.898740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.901124] (UM) 
[  271.905536]  ? refcount_sub_and_test_checked+0x203/0x310
[  271.907571] 3*4096kB 
[  271.911718]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  271.914099] (M) 
[  271.919639]  ? addrconf_rs_timer+0x690/0x690
[  271.921679] = 25244kB
[  271.927142]  ndisc_alloc_skb+0x144/0x340
[  271.929522] Node 0 
[  271.934982]  ndisc_send_rs+0x331/0x6e0
[  271.936934] Normal: 
[  271.941348]  addrconf_rs_timer+0x314/0x690
[  271.943733] 719*4kB 
[  271.947795]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.950009] (UMEH) 
[  271.953902]  call_timer_fn+0x272/0x920
[  271.956199] 258*8kB 
[  271.960426]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.962732] (UME) 
[  271.966960]  ? process_timeout+0x40/0x40
[  271.969181] 197*16kB 
[  271.973066]  ? mark_held_locks+0xc7/0x130
[  271.975361] (UME) 
[  271.979594]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.981716] 98*32kB 
[  271.985770]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.988156] (UME) 
[  271.992308]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.994433] 44*64kB 
[  271.998942]  ? lockdep_hardirqs_on+0x296/0x5b0
[  272.001236] (UM) 
[  272.005730]  ? trace_hardirqs_on+0xbd/0x310
[  272.007856] 0*128kB 
[  272.012088]  ? kasan_check_read+0x11/0x20
[  272.014390] 0*256kB 
[  272.018966]  ? __run_timers+0x7da/0xc70
[  272.021001] 0*512kB 
[  272.025315]  ? trace_hardirqs_off_caller+0x310/0x310
[  272.027608] 0*1024kB 0*2048kB 
[  272.031763]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.034062] 0*4096kB 
[  272.038028]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.040328] = 14044kB
[  272.045432]  __run_timers+0x7e5/0xc70
[  272.048613] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  272.052852]  ? timer_fixup_init+0x70/0x70
[  272.055236] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  272.059461]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  272.061845] 4793 total pagecache pages
[  272.065638]  ? zap_class+0x640/0x640
[  272.074461] 0 pages in swap cache
[  272.078604]  ? print_usage_bug+0xc0/0xc0
[  272.087152] Swap cache stats: add 0, delete 0, find 0/0
[  272.087161] Free swap  = 0kB
[  272.092192]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  272.096051] Total swap = 0kB
[  272.099765]  ? find_held_lock+0x36/0x1c0
[  272.103196] 1965979 pages RAM
[  272.107255]  ? zap_class+0x640/0x640
[  272.112595] 0 pages HighMem/MovableOnly
[  272.115629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.120795] 342867 pages reserved
[  272.123806]  ? check_preemption_disabled+0x48/0x280
[  272.127833] 0 pages cma reserved
[  272.127911] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  272.130956]  ? __lock_is_held+0xb5/0x140
[  272.134701] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  272.138610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.144120] syz-executor4 cpuset=
[  272.147567]  ? check_preemption_disabled+0x48/0x280
[  272.152561] syz4
[  272.155921]  run_timer_softirq+0x52/0xb0
[  272.162391]  mems_allowed=0
[  272.166441]  ? rcu_read_lock_sched_held+0x14f/0x180
[  272.166457]  __do_softirq+0x308/0xb7e
[  272.208606]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  272.213109]  ? lock_downgrade+0x900/0x900
[  272.217354]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  272.222482]  ? pvclock_read_flags+0x160/0x160
[  272.226980]  ? lapic_next_event+0x5a/0x90
[  272.231131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.236700]  ? kvm_clock_read+0x18/0x30
[  272.240684]  ? kvm_sched_clock_read+0x9/0x20
[  272.245098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.250659]  ? check_preemption_disabled+0x48/0x280
[  272.255695]  irq_exit+0x17f/0x1c0
[  272.259159]  smp_apic_timer_interrupt+0x1cb/0x760
[  272.264024]  ? smp_reschedule_interrupt+0x109/0x650
[  272.269059]  ? smp_call_function_single_interrupt+0x650/0x650
[  272.274957]  ? interrupt_entry+0xb5/0xc0
[  272.279031]  ? trace_hardirqs_off_caller+0xbb/0x310
[  272.284052]  ? trace_hardirqs_off_caller+0xbb/0x310
[  272.289082]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.293941]  ? trace_hardirqs_on_caller+0x310/0x310
[  272.298967]  ? trace_hardirqs_on_caller+0x310/0x310
[  272.303995]  ? task_prio+0x50/0x50
[  272.307547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.313100]  ? check_preemption_disabled+0x48/0x280
[  272.318133]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.323003]  apic_timer_interrupt+0xf/0x20
[  272.327243]  </IRQ>
[  272.329485] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  272.334686] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  272.353602] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  272.361506] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  272.368784] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  272.376070] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  272.383352] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  272.390634] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  272.397962]  retint_kernel+0x1b/0x2d
[  272.401682] RIP: 0010:dump_stack+0x358/0x39d
[  272.406092] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  272.425011] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  272.433213] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  272.440483] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  272.447755] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  272.455026] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  272.462299] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  272.469597]  ? dump_stack+0x34f/0x39d
[  272.473414]  ? dump_stack_print_info.cold.1+0x20/0x20
[  272.478620]  dump_header+0x27b/0xf72
[  272.482347]  ? mark_held_locks+0x130/0x130
[  272.486594]  ? pagefault_out_of_memory+0x197/0x197
[  272.491551]  ? __lock_acquire+0x62f/0x4c20
[  272.495793]  ? zap_class+0x640/0x640
[  272.499515]  ? percpu_ref_get_many+0x240/0x240
[  272.504102]  ? print_usage_bug+0xc0/0xc0
[  272.508172]  ? print_usage_bug+0xc0/0xc0
[  272.512243]  ? zap_class+0x640/0x640
[  272.515961]  ? print_usage_bug+0xc0/0xc0
[  272.520023]  ? print_usage_bug+0xc0/0xc0
[  272.524100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.529732]  ? find_held_lock+0x36/0x1c0
[  272.533806]  ? mark_held_locks+0xc7/0x130
[  272.537970]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  272.543081]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  272.548195]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  272.552789]  ? trace_hardirqs_on+0xbd/0x310
[  272.557114]  ? kasan_check_read+0x11/0x20
[  272.561265]  ? ___ratelimit+0x3b4/0x672
[  272.565244]  ? trace_hardirqs_off_caller+0x310/0x310
[  272.570359]  ? trace_hardirqs_on+0x310/0x310
[  272.574784]  ? lock_downgrade+0x900/0x900
[  272.578954]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  272.584058]  ? ___ratelimit+0x3b9/0x672
[  272.588037]  ? idr_get_free+0xec0/0xec0
[  272.592014]  ? find_held_lock+0x36/0x1c0
[  272.596094]  oom_kill_process.cold.27+0x10/0x903
[  272.600853]  ? zap_class+0x640/0x640
[  272.604567]  ? check_preemption_disabled+0x48/0x280
[  272.609593]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  272.614525]  ? kasan_check_read+0x11/0x20
[  272.618676]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.623959]  ? oom_evaluate_task+0x540/0x540
[  272.628379]  ? find_held_lock+0x36/0x1c0
[  272.632452]  ? out_of_memory+0x974/0x1430
[  272.636603]  ? lock_downgrade+0x900/0x900
[  272.640751]  ? check_preemption_disabled+0x48/0x280
[  272.645778]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  272.650708]  ? kasan_check_read+0x11/0x20
[  272.654864]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.660146]  ? rcu_softirq_qs+0x20/0x20
[  272.664137]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.669685]  ? oom_evaluate_task+0x302/0x540
[  272.674101]  out_of_memory+0xa84/0x1430
[  272.678087]  ? oom_killer_disable+0x3a0/0x3a0
[  272.682587]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  272.687520]  ? __mutex_add_waiter+0x2a0/0x2a0
[  272.692034]  __alloc_pages_slowpath+0x22d4/0x2d70
[  272.696909]  ? warn_alloc+0x120/0x120
[  272.700718]  ? rcu_softirq_qs+0x20/0x20
[  272.704724]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.710261]  ? should_fail+0x22d/0xd01
[  272.714152]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.719268]  ? zap_class+0x640/0x640
[  272.723013]  ? __lock_is_held+0xb5/0x140
[  272.727086]  ? mark_held_locks+0x130/0x130
[  272.731326]  ? lock_release+0xa00/0xa00
[  272.735302]  ? perf_trace_sched_process_exec+0x860/0x860
[  272.740768]  ? __might_sleep+0x95/0x190
[  272.744754]  __alloc_pages_nodemask+0xa80/0xde0
[  272.749434]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  272.754454]  ? __page_cache_alloc+0x191/0x5c0
[  272.758957]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  272.763892]  ? kasan_check_read+0x11/0x20
[  272.768045]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.773328]  ? zap_class+0x640/0x640
[  272.777050]  ? zap_class+0x640/0x640
[  272.780764]  ? zap_class+0x640/0x640
[  272.784479]  ? __do_page_cache_readahead+0x7ce/0x980
[  272.789591]  ? find_held_lock+0x36/0x1c0
[  272.793664]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  272.799216]  alloc_pages_current+0x173/0x350
[  272.803638]  __page_cache_alloc+0x38c/0x5c0
[  272.807969]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  272.812903]  ? kasan_check_read+0x11/0x20
[  272.817063]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.822351]  ? generic_perform_write+0x6a0/0x6a0
[  272.827113]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.832657]  ? check_preemption_disabled+0x48/0x280
[  272.837693]  filemap_fault+0x1594/0x25f0
[  272.841773]  ? __lock_page_or_retry+0xa00/0xa00
[  272.846449]  ? mark_held_locks+0x130/0x130
[  272.850690]  ? rcu_softirq_qs+0x20/0x20
[  272.854683]  ? filemap_map_pages+0xe04/0x1990
[  272.859202]  ? __free_object+0x173/0x340
[  272.863273]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  272.868209]  ? trace_hardirqs_off_caller+0x310/0x310
[  272.873334]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  272.878030]  ? debug_object_free+0x32d/0x690
[  272.882451]  ? kasan_check_read+0x11/0x20
[  272.886612]  ? debug_object_destroy+0x2b0/0x2b0
[  272.891288]  ? lock_pi_update_atomic+0x150/0x150
[  272.896052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.901598]  ? __hrtimer_init+0xdb/0x240
[  272.905673]  ? lock_acquire+0x1ed/0x520
[  272.909654]  ? ext4_filemap_fault+0x7a/0xad
[  272.913988]  ? lock_release+0xa00/0xa00
[  272.917964]  ? perf_trace_sched_process_exec+0x860/0x860
[  272.923420]  ? print_usage_bug+0xc0/0xc0
[  272.927483]  ? print_usage_bug+0xc0/0xc0
[  272.931557]  ? down_read+0x8d/0x120
[  272.935190]  ? ext4_filemap_fault+0x7a/0xad
[  272.939518]  ? __down_interruptible+0x700/0x700
[  272.944207]  ext4_filemap_fault+0x82/0xad
[  272.948365]  __do_fault+0x100/0x6b0
[  272.951996]  ? find_held_lock+0x36/0x1c0
[  272.956064]  ? pmd_devmap_trans_unstable+0x220/0x220
[  272.961184]  ? mark_held_locks+0x130/0x130
[  272.965422]  ? mark_held_locks+0x130/0x130
[  272.969671]  ? kasan_check_read+0x11/0x20
[  272.973825]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.979373]  __handle_mm_fault+0x307c/0x5920
[  272.983786]  ? perf_trace_lock+0x7a0/0x7a0
[  272.988037]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  272.992890]  ? __switch_to_asm+0x34/0x70
[  272.996957]  ? __switch_to_asm+0x34/0x70
[  273.001036]  ? zap_class+0x640/0x640
[  273.004752]  ? zap_class+0x640/0x640
[  273.008465]  ? __x64_sys_futex+0x53e/0x6a0
[  273.012707]  ? find_held_lock+0x36/0x1c0
[  273.016783]  ? handle_mm_fault+0x42a/0xc70
[  273.021022]  ? lock_downgrade+0x900/0x900
[  273.025179]  ? check_preemption_disabled+0x48/0x280
[  273.030215]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  273.035148]  ? kasan_check_read+0x11/0x20
[  273.039307]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.044588]  ? rcu_softirq_qs+0x20/0x20
[  273.048562]  ? trace_hardirqs_off_caller+0x310/0x310
[  273.053674]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.059216]  ? check_preemption_disabled+0x48/0x280
[  273.064282]  handle_mm_fault+0x54f/0xc70
[  273.068349]  ? __handle_mm_fault+0x5920/0x5920
[  273.072944]  ? find_vma+0x34/0x190
[  273.076496]  __do_page_fault+0x5e8/0xe60
[  273.080563]  ? trace_hardirqs_off+0xb8/0x310
[  273.084987]  do_page_fault+0xf2/0x7e0
[  273.088801]  ? vmalloc_sync_all+0x30/0x30
[  273.092957]  ? error_entry+0x70/0xd0
[  273.096682]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.101701]  ? trace_hardirqs_on_caller+0xc0/0x310
[  273.106634]  ? syscall_return_slowpath+0x5e0/0x5e0
[  273.111566]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.116418]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.121441]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  273.126905]  ? prepare_exit_to_usermode+0x291/0x3b0
[  273.131935]  ? page_fault+0x8/0x30
[  273.135482]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.140355]  ? page_fault+0x8/0x30
[  273.143902]  page_fault+0x1e/0x30
[  273.147359] RIP: 0033:0x40f9c0
[  273.150566] Code: Bad RIP value.
[  273.153934] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  273.159306] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  273.166577] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  273.173847] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  273.181116] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  273.188391] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  273.195700] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  273.195765] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  273.202717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  273.202723] Call Trace:
[  273.202730]  <IRQ>
[  273.202752]  dump_stack+0x244/0x39d
[  273.202770]  ? dump_stack_print_info.cold.1+0x20/0x20
[  273.209342] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  273.218619]  warn_alloc.cold.117+0xb7/0x1bd
[  273.221182] syz-fuzzer cpuset=
[  273.223330]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  273.226935] /
[  273.232120]  ? lock_downgrade+0x900/0x900
[  273.242334]  mems_allowed=0
[  273.246659]  ? trace_hardirqs_off+0xb8/0x310
[  273.267840]  ? trace_hardirqs_off+0xb8/0x310
[  273.272264]  __alloc_pages_slowpath+0x2660/0x2d70
[  273.277143]  ? warn_alloc+0x120/0x120
[  273.280956]  ? warn_alloc+0x120/0x120
[  273.284761]  ? print_usage_bug+0xc0/0xc0
[  273.288826]  ? warn_alloc+0x120/0x120
[  273.292631]  ? print_usage_bug+0xc0/0xc0
[  273.296693]  ? __lock_acquire+0x62f/0x4c20
[  273.301453]  ? __lock_acquire+0x62f/0x4c20
[  273.305700]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.311241]  ? should_fail+0x22d/0xd01
[  273.315132]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.320245]  ? __lock_acquire+0x62f/0x4c20
[  273.324485]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.329585]  ? __lock_acquire+0x62f/0x4c20
[  273.333816]  ? should_fail+0x22d/0xd01
[  273.337705]  ? find_held_lock+0x36/0x1c0
[  273.341776]  ? mark_held_locks+0x130/0x130
[  273.346017]  ? mark_held_locks+0x130/0x130
[  273.350249]  ? zap_class+0x640/0x640
[  273.353963]  ? zap_class+0x640/0x640
[  273.357683]  ? print_usage_bug+0xc0/0xc0
[  273.361740]  ? do_raw_spin_unlock+0xa7/0x330
[  273.366151]  ? zap_class+0x640/0x640
[  273.369878]  ? print_usage_bug+0xc0/0xc0
[  273.373939]  ? wq_watchdog_touch+0x9c/0xfe
[  273.378186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.383731]  ? check_preemption_disabled+0x48/0x280
[  273.388760]  ? __lock_is_held+0xb5/0x140
[  273.392831]  __alloc_pages_nodemask+0xa80/0xde0
[  273.397499]  ? zap_class+0x640/0x640
[  273.401217]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  273.406244]  ? find_held_lock+0x36/0x1c0
[  273.410317]  ? ____cache_alloc_node+0x1c7/0x1e0
[  273.414992]  ? lock_downgrade+0x900/0x900
[  273.419151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.424710]  cache_grow_begin+0xa5/0x8c0
[  273.428772]  ? do_raw_spin_unlock+0xa7/0x330
[  273.433202]  fallback_alloc+0x204/0x2e0
[  273.437199]  ____cache_alloc_node+0x1c7/0x1e0
[  273.441706]  kmem_cache_alloc_node+0xe3/0x730
[  273.446205]  ? ipv6_get_ifaddr+0x42e/0x620
[  273.450458]  __alloc_skb+0x119/0x770
[  273.454183]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.459472]  ? netdev_alloc_frag+0x1f0/0x1f0
[  273.463885]  ? lock_downgrade+0x900/0x900
[  273.468044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.473587]  ? refcount_sub_and_test_checked+0x203/0x310
[  273.479049]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  273.484508]  ? addrconf_rs_timer+0x690/0x690
[  273.488928]  ndisc_alloc_skb+0x144/0x340
[  273.492998]  ndisc_send_rs+0x331/0x6e0
[  273.496893]  addrconf_rs_timer+0x314/0x690
[  273.501136]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.505404]  call_timer_fn+0x272/0x920
[  273.509299]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.513542]  ? process_timeout+0x40/0x40
[  273.517616]  ? __run_timers+0x7da/0xc70
[  273.521596]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.526098]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.530593]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.534830]  ? lockdep_hardirqs_on+0x296/0x5b0
[  273.539417]  ? trace_hardirqs_on+0xbd/0x310
[  273.543751]  ? kasan_check_read+0x11/0x20
[  273.547906]  ? __run_timers+0x7da/0xc70
[  273.551887]  ? trace_hardirqs_off_caller+0x310/0x310
[  273.556997]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.561240]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.565479]  __run_timers+0x7e5/0xc70
[  273.569298]  ? timer_fixup_init+0x70/0x70
[  273.573456]  ? kasan_check_read+0x11/0x20
[  273.577614]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.582898]  ? rcu_softirq_qs+0x20/0x20
[  273.586878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.592422]  ? check_preemption_disabled+0x48/0x280
[  273.597460]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  273.602226]  ? retint_kernel+0x2d/0x2d
[  273.606119]  ? trace_hardirqs_on_caller+0xc0/0x310
[  273.611050]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  273.615810]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  273.621266]  ? zap_class+0x640/0x640
[  273.624994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.630535]  ? check_preemption_disabled+0x48/0x280
[  273.635568]  ? __lock_is_held+0xb5/0x140
[  273.639633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.645181]  ? check_preemption_disabled+0x48/0x280
[  273.650208]  run_timer_softirq+0x52/0xb0
[  273.654269]  ? rcu_read_lock_sched_held+0x14f/0x180
[  273.659288]  __do_softirq+0x308/0xb7e
[  273.663098]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  273.667604]  ? lock_downgrade+0x900/0x900
[  273.671762]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  273.676880]  ? pvclock_read_flags+0x160/0x160
[  273.681380]  ? lapic_next_event+0x5a/0x90
[  273.685535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.691081]  ? kvm_clock_read+0x18/0x30
[  273.695056]  ? kvm_sched_clock_read+0x9/0x20
[  273.699469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.705010]  ? check_preemption_disabled+0x48/0x280
[  273.710055]  irq_exit+0x17f/0x1c0
[  273.713519]  smp_apic_timer_interrupt+0x1cb/0x760
[  273.718365]  ? smp_call_function_single_interrupt+0x159/0x650
[  273.724257]  ? smp_call_function_single_interrupt+0x650/0x650
[  273.730147]  ? interrupt_entry+0xb5/0xc0
[  273.734224]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.739242]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.744265]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.749111]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.754126]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.759143]  ? task_prio+0x50/0x50
[  273.762694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.768233]  ? check_preemption_disabled+0x48/0x280
[  273.773262]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.778117]  apic_timer_interrupt+0xf/0x20
[  273.782350]  </IRQ>
[  273.784622] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  273.789551] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  273.808457] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  273.816177] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  273.823449] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  273.830719] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  273.838041] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  273.845308] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  273.852625]  skb_clone+0x1bb/0x500
[  273.856180]  ? skb_split+0x11e0/0x11e0
[  273.860070]  ? check_preemption_disabled+0x48/0x280
[  273.865090]  ? __this_cpu_preempt_check+0x1c/0x20
[  273.869937]  ? __bpf_redirect+0x54b/0xb20
[  273.874101]  bpf_clone_redirect+0xb9/0x490
[  273.878351]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  273.883371]  ? __sched_text_start+0x8/0x8
[  273.887521]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  273.892285]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  273.896871]  ? retint_kernel+0x2d/0x2d
[  273.900765]  ? find_held_lock+0x36/0x1c0
[  273.904838]  ? lock_acquire+0x1ed/0x520
[  273.908817]  ? bpf_test_run+0x3cb/0x780
[  273.912797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.918340]  ? check_preemption_disabled+0x48/0x280
[  273.923370]  ? kasan_check_read+0x11/0x20
[  273.927520]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.932801]  ? rcu_softirq_qs+0x20/0x20
[  273.936781]  ? preempt_schedule+0x4d/0x60
[  273.940934]  ? ___preempt_schedule+0x16/0x18
[  273.945355]  ? bpf_test_run+0x25d/0x780
[  273.949345]  ? netlink_diag_dump+0x2a0/0x2a0
[  273.953758]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.959298]  ? bpf_test_init.isra.10+0x70/0x100
[  273.963974]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  273.968744]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  273.973587]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  273.979129]  ? fput+0x130/0x1a0
[  273.982413]  ? __bpf_prog_get+0x9b/0x290
[  273.986489]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  273.991332]  ? bpf_prog_test_run+0x130/0x1a0
[  273.995750]  ? __x64_sys_bpf+0x3d8/0x520
[  273.999818]  ? bpf_prog_get+0x20/0x20
[  274.003644]  ? do_syscall_64+0x1b9/0x820
[  274.007711]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  274.013083]  ? syscall_return_slowpath+0x5e0/0x5e0
[  274.018013]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.022857]  ? trace_hardirqs_on_caller+0x310/0x310
[  274.027880]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  274.032899]  ? prepare_exit_to_usermode+0x291/0x3b0
[  274.037922]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.042778]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  274.048161] warn_alloc_show_mem: 1 callbacks suppressed
[  274.048183] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  274.048185] Mem-Info:
[  274.048216] active_anon:56297 inactive_anon:436 isolated_anon:0
[  274.048216]  active_file:15 inactive_file:14 isolated_file:0
[  274.048216]  unevictable:0 dirty:0 writeback:0 unstable:0
[  274.048216]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  274.048216]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  274.048216]  free:13786 free_pcp:429 free_cma:0
[  274.053556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  274.060231] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  274.062634] Call Trace:
[  274.095589] Node 0 
[  274.104934]  <IRQ>
[  274.132706] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  274.135272]  dump_stack+0x244/0x39d
[  274.137476] lowmem_reserve[]:
[  274.139624]  ? dump_stack_print_info.cold.1+0x20/0x20
[  274.165102]  0 2818
[  274.168765]  warn_alloc.cold.117+0xb7/0x1bd
[  274.171831]  6321
[  274.177019]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  274.179230]  6321
[  274.183551]  ? lock_downgrade+0x900/0x900
[  274.190428]  ? trace_hardirqs_off+0xb8/0x310
[  274.192467] Node 0 
[  274.196613]  ? trace_hardirqs_off+0xb8/0x310
[  274.201019] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  274.203231]  __alloc_pages_slowpath+0x2660/0x2d70
[  274.207607] lowmem_reserve[]:
[  274.234440]  ? warn_alloc+0x120/0x120
[  274.239242]  0
[  274.242341]  ? warn_alloc+0x120/0x120
[  274.246115]  0
[  274.247912]  ? print_usage_bug+0xc0/0xc0
[  274.251687]  3503
[  274.253483]  ? warn_alloc+0x120/0x120
[  274.257522]  3503
[  274.259582]  ? print_usage_bug+0xc0/0xc0
[  274.263361] Node 0 
[  274.265417]  ? __lock_acquire+0x62f/0x4c20
[  274.269482] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  274.271685]  ? __lock_acquire+0x62f/0x4c20
[  274.275890] lowmem_reserve[]: 0
[  274.304367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.308572]  0
[  274.311843]  ? should_fail+0x22d/0xd01
[  274.317356]  0
[  274.319159]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.323022]  0
[  274.324822]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.330089] Node 0 
[  274.331888]  ? __lock_acquire+0x62f/0x4c20
[  274.336964] DMA: 
[  274.339203]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.343415] 1*4kB 
[  274.345477]  ? __lock_acquire+0x62f/0x4c20
[  274.350556] (U) 
[  274.352700]  ? should_fail+0x22d/0xd01
[  274.356910] 0*8kB 
[  274.358897]  ? rcu_irq_exit+0x1a2/0x390
[  274.362752] 0*16kB 1*32kB 
[  274.364920]  ? mark_held_locks+0x130/0x130
[  274.368857] (U) 
[  274.371700]  ? mark_held_locks+0x130/0x130
[  274.375911] 2*64kB 
[  274.377894]  ? mark_held_locks+0xc7/0x130
[  274.382103] (U) 
[  274.384336]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  274.388462] 1*128kB 
[  274.390430]  ? zap_class+0x640/0x640
[  274.395424] (U) 
[  274.397744]  ? print_usage_bug+0xc0/0xc0
[  274.401433] 1*256kB 
[  274.403405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.407441] (U) 
[  274.409762]  ? check_preemption_disabled+0x48/0x280
[  274.415271] 0*512kB 
[  274.417252]  ? __lock_is_held+0xb5/0x140
[  274.422241] 1*1024kB 
[  274.424563]  __alloc_pages_nodemask+0xa80/0xde0
[  274.428596] (U) 
[  274.431473]  ? zap_class+0x640/0x640
[  274.436118] 1*2048kB 
[  274.438094]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  274.441777] (M) 
[  274.444197]  ? find_held_lock+0x36/0x1c0
[  274.449191] 3*4096kB 
[  274.451176]  ? ____cache_alloc_node+0x1c7/0x1e0
[  274.455205] (M) 
[  274.457611]  ? lock_downgrade+0x900/0x900
[  274.462256] = 15908kB
[  274.464232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.468352] Node 0 
[  274.470760]  cache_grow_begin+0xa5/0x8c0
[  274.476264] DMA32: 5*4kB 
[  274.478505]  ? do_raw_spin_unlock+0xa7/0x330
[  274.482543] (UM) 
[  274.485304]  fallback_alloc+0x204/0x2e0
[  274.489684] 1*8kB 
[  274.491745]  ____cache_alloc_node+0x1c7/0x1e0
[  274.495692] (U) 
[  274.497837]  kmem_cache_alloc_node+0xe3/0x730
[  274.502305] 2*16kB 
[  274.504274]  ? ipv6_get_ifaddr+0x42e/0x620
[  274.508738] (M) 1*32kB 
[  274.510988]  __alloc_skb+0x119/0x770
[  274.515197] (M) 
[  274.517782]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.521471] 3*64kB 
[  274.523446]  ? netdev_alloc_frag+0x1f0/0x1f0
[  274.528696] (M) 
[  274.530935]  ? lock_downgrade+0x900/0x900
[  274.535334] 5*128kB (UM) 
[  274.537323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.541450] 3*256kB 
[  274.544209]  ? refcount_sub_and_test_checked+0x203/0x310
[  274.549712] (M) 4*512kB 
[  274.552045]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  274.557472] (UM) 
[  274.560140]  ? addrconf_rs_timer+0x690/0x690
[  274.565564] 3*1024kB 
[  274.567633]  ndisc_alloc_skb+0x144/0x340
[  274.572008] (UM) 
[  274.574413]  ndisc_send_rs+0x331/0x6e0
[  274.578454] 3*2048kB (UM) 
[  274.580527]  addrconf_rs_timer+0x314/0x690
[  274.584392] 3*4096kB 
[  274.587230]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.591443] (M) 
[  274.593859]  call_timer_fn+0x272/0x920
[  274.598056] = 25244kB
[  274.600024]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.603905] Node 0 
[  274.606319]  ? process_timeout+0x40/0x40
[  274.610527] Normal: 
[  274.612769]  ? mark_held_locks+0xc7/0x130
[  274.616799] 719*4kB 
[  274.619121]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.623241] (UMEH) 
[  274.625559]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.630031] 258*8kB 
[  274.632327]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.636794] (UME) 
[  274.639115]  ? lockdep_hardirqs_on+0x296/0x5b0
[  274.643327] 197*16kB 
[  274.645469]  ? trace_hardirqs_on+0xbd/0x310
[  274.650023] (UME) 
[  274.652430]  ? kasan_check_read+0x11/0x20
[  274.656728] 98*32kB 
[  274.658876]  ? __run_timers+0x7da/0xc70
[  274.662995] (UME) 
[  274.665347]  ? trace_hardirqs_off_caller+0x310/0x310
[  274.669296] 44*64kB 
[  274.671447]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.676522] (UM) 
[  274.678843]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.683051] 0*128kB 
[  274.685107]  __run_timers+0x7e5/0xc70
[  274.689313] 0*256kB 
[  274.691640]  ? timer_fixup_init+0x70/0x70
[  274.695404] 0*512kB 
[  274.697720]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  274.701843] 0*1024kB 
[  274.704160]  ? zap_class+0x640/0x640
[  274.709163] 0*2048kB 
[  274.711576]  ? print_usage_bug+0xc0/0xc0
[  274.715263] 0*4096kB 
[  274.717668]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  274.721706] = 14044kB
[  274.724115]  ? find_held_lock+0x36/0x1c0
[  274.729284] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  274.731682]  ? zap_class+0x640/0x640
[  274.735723] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  274.744563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.748254] 4793 total pagecache pages
[  274.756834]  ? check_preemption_disabled+0x48/0x280
[  274.762351] 0 pages in swap cache
[  274.766241]  ? __lock_is_held+0xb5/0x140
[  274.771229] Swap cache stats: add 0, delete 0, find 0/0
[  274.774680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.778725] Free swap  = 0kB
[  274.784086]  ? check_preemption_disabled+0x48/0x280
[  274.789592] Total swap = 0kB
[  274.789600] 1965979 pages RAM
[  274.792623]  run_timer_softirq+0x52/0xb0
[  274.797607] 0 pages HighMem/MovableOnly
[  274.797615] 342867 pages reserved
[  274.800633]  ? rcu_read_lock_sched_held+0x14f/0x180
[  274.803710] 0 pages cma reserved
[  274.807762]  __do_softirq+0x308/0xb7e
[  274.811779] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  274.815163]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  274.820276] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  274.823536]  ? lock_downgrade+0x900/0x900
[  274.827312] syz-executor4 cpuset=
[  274.833802]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  274.838269] syz4
[  274.848765]  ? pvclock_read_flags+0x160/0x160
[  274.852887]  mems_allowed=0
[  274.856332]  ? lapic_next_event+0x5a/0x90
[  274.874911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.880461]  ? kvm_clock_read+0x18/0x30
[  274.884439]  ? kvm_sched_clock_read+0x9/0x20
[  274.888858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.894398]  ? check_preemption_disabled+0x48/0x280
[  274.899427]  irq_exit+0x17f/0x1c0
[  274.902889]  smp_apic_timer_interrupt+0x1cb/0x760
[  274.907730]  ? smp_reschedule_interrupt+0x109/0x650
[  274.912749]  ? smp_call_function_single_interrupt+0x650/0x650
[  274.918637]  ? interrupt_entry+0xb5/0xc0
[  274.922708]  ? trace_hardirqs_off_caller+0xbb/0x310
[  274.927730]  ? trace_hardirqs_off_caller+0xbb/0x310
[  274.932755]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.937609]  ? trace_hardirqs_on_caller+0x310/0x310
[  274.942627]  ? trace_hardirqs_on_caller+0x310/0x310
[  274.947650]  ? task_prio+0x50/0x50
[  274.951203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.956749]  ? check_preemption_disabled+0x48/0x280
[  274.961780]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.966651]  apic_timer_interrupt+0xf/0x20
[  274.970893]  </IRQ>
[  274.973150] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  274.978354] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  274.997268] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  275.004987] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  275.012257] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  275.019526] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  275.026799] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  275.034071] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  275.041386]  retint_kernel+0x1b/0x2d
[  275.045103] RIP: 0010:dump_stack+0x358/0x39d
[  275.049516] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  275.068427] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  275.076151] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  275.083425] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  275.090696] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  275.097968] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  275.105243] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  275.112537]  ? dump_stack+0x34f/0x39d
[  275.116356]  ? dump_stack_print_info.cold.1+0x20/0x20
[  275.121561]  dump_header+0x27b/0xf72
[  275.125288]  ? mark_held_locks+0x130/0x130
[  275.129525]  ? pagefault_out_of_memory+0x197/0x197
[  275.134464]  ? __lock_acquire+0x62f/0x4c20
[  275.138696]  ? zap_class+0x640/0x640
[  275.142413]  ? percpu_ref_get_many+0x240/0x240
[  275.147001]  ? print_usage_bug+0xc0/0xc0
[  275.151066]  ? print_usage_bug+0xc0/0xc0
[  275.155137]  ? zap_class+0x640/0x640
[  275.158865]  ? print_usage_bug+0xc0/0xc0
[  275.162934]  ? print_usage_bug+0xc0/0xc0
[  275.167045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.172588]  ? find_held_lock+0x36/0x1c0
[  275.176661]  ? mark_held_locks+0xc7/0x130
[  275.180816]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  275.185965]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  275.191069]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  275.195662]  ? trace_hardirqs_on+0xbd/0x310
[  275.200000]  ? kasan_check_read+0x11/0x20
[  275.204149]  ? ___ratelimit+0x3b4/0x672
[  275.208138]  ? trace_hardirqs_off_caller+0x310/0x310
[  275.213258]  ? trace_hardirqs_on+0x310/0x310
[  275.217674]  ? lock_downgrade+0x900/0x900
[  275.221837]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  275.226952]  ? ___ratelimit+0x3b9/0x672
[  275.230936]  ? idr_get_free+0xec0/0xec0
[  275.234918]  ? find_held_lock+0x36/0x1c0
[  275.238999]  oom_kill_process.cold.27+0x10/0x903
[  275.243761]  ? zap_class+0x640/0x640
[  275.247476]  ? check_preemption_disabled+0x48/0x280
[  275.252506]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  275.257438]  ? kasan_check_read+0x11/0x20
[  275.261598]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.266884]  ? oom_evaluate_task+0x540/0x540
[  275.271303]  ? find_held_lock+0x36/0x1c0
[  275.275375]  ? out_of_memory+0x974/0x1430
[  275.279531]  ? lock_downgrade+0x900/0x900
[  275.283686]  ? check_preemption_disabled+0x48/0x280
[  275.288719]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  275.293657]  ? kasan_check_read+0x11/0x20
[  275.297815]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.303437]  ? rcu_softirq_qs+0x20/0x20
[  275.307423]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.312964]  ? oom_evaluate_task+0x302/0x540
[  275.317385]  out_of_memory+0xa84/0x1430
[  275.321373]  ? oom_killer_disable+0x3a0/0x3a0
[  275.325876]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  275.330815]  ? __mutex_add_waiter+0x2a0/0x2a0
[  275.335330]  __alloc_pages_slowpath+0x22d4/0x2d70
[  275.340215]  ? warn_alloc+0x120/0x120
[  275.344021]  ? rcu_softirq_qs+0x20/0x20
[  275.348030]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.353567]  ? should_fail+0x22d/0xd01
[  275.357459]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.362570]  ? zap_class+0x640/0x640
[  275.366318]  ? __lock_is_held+0xb5/0x140
[  275.370398]  ? mark_held_locks+0x130/0x130
[  275.374639]  ? lock_release+0xa00/0xa00
[  275.378618]  ? perf_trace_sched_process_exec+0x860/0x860
[  275.384088]  ? __might_sleep+0x95/0x190
[  275.388071]  __alloc_pages_nodemask+0xa80/0xde0
[  275.392755]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  275.397779]  ? __page_cache_alloc+0x191/0x5c0
[  275.402280]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  275.407214]  ? kasan_check_read+0x11/0x20
[  275.411366]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.416654]  ? zap_class+0x640/0x640
[  275.420384]  ? zap_class+0x640/0x640
[  275.424101]  ? zap_class+0x640/0x640
[  275.427820]  ? __do_page_cache_readahead+0x7ce/0x980
[  275.433388]  ? find_held_lock+0x36/0x1c0
[  275.437466]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  275.443014]  alloc_pages_current+0x173/0x350
[  275.447436]  __page_cache_alloc+0x38c/0x5c0
[  275.451768]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  275.456703]  ? kasan_check_read+0x11/0x20
[  275.460872]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.466172]  ? generic_perform_write+0x6a0/0x6a0
[  275.470948]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.476490]  ? check_preemption_disabled+0x48/0x280
[  275.481526]  filemap_fault+0x1594/0x25f0
[  275.485609]  ? __lock_page_or_retry+0xa00/0xa00
[  275.490286]  ? mark_held_locks+0x130/0x130
[  275.494528]  ? rcu_softirq_qs+0x20/0x20
[  275.498527]  ? filemap_map_pages+0xe04/0x1990
[  275.503041]  ? __free_object+0x173/0x340
[  275.507115]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  275.512053]  ? trace_hardirqs_off_caller+0x310/0x310
[  275.517172]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  275.521866]  ? debug_object_free+0x32d/0x690
[  275.526281]  ? kasan_check_read+0x11/0x20
[  275.530436]  ? debug_object_destroy+0x2b0/0x2b0
[  275.535116]  ? lock_pi_update_atomic+0x150/0x150
[  275.539879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.545428]  ? __hrtimer_init+0xdb/0x240
[  275.549509]  ? lock_acquire+0x1ed/0x520
[  275.553487]  ? ext4_filemap_fault+0x7a/0xad
[  275.557824]  ? lock_release+0xa00/0xa00
[  275.561802]  ? perf_trace_sched_process_exec+0x860/0x860
[  275.567258]  ? print_usage_bug+0xc0/0xc0
[  275.571327]  ? print_usage_bug+0xc0/0xc0
[  275.575441]  ? down_read+0x8d/0x120
[  275.579071]  ? ext4_filemap_fault+0x7a/0xad
[  275.583406]  ? __down_interruptible+0x700/0x700
[  275.588092]  ext4_filemap_fault+0x82/0xad
[  275.592251]  __do_fault+0x100/0x6b0
[  275.595883]  ? find_held_lock+0x36/0x1c0
[  275.599958]  ? pmd_devmap_trans_unstable+0x220/0x220
[  275.605066]  ? mark_held_locks+0x130/0x130
[  275.609309]  ? mark_held_locks+0x130/0x130
[  275.613561]  ? kasan_check_read+0x11/0x20
[  275.617716]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.623262]  __handle_mm_fault+0x307c/0x5920
[  275.627671]  ? perf_trace_lock+0x7a0/0x7a0
[  275.631916]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  275.636778]  ? __switch_to_asm+0x34/0x70
[  275.640843]  ? __switch_to_asm+0x34/0x70
[  275.644919]  ? zap_class+0x640/0x640
[  275.648662]  ? zap_class+0x640/0x640
[  275.652380]  ? __x64_sys_futex+0x53e/0x6a0
[  275.656625]  ? find_held_lock+0x36/0x1c0
[  275.660704]  ? handle_mm_fault+0x42a/0xc70
[  275.664949]  ? lock_downgrade+0x900/0x900
[  275.669100]  ? check_preemption_disabled+0x48/0x280
[  275.674126]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  275.679060]  ? kasan_check_read+0x11/0x20
[  275.683220]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.688503]  ? rcu_softirq_qs+0x20/0x20
[  275.692482]  ? trace_hardirqs_off_caller+0x310/0x310
[  275.697588]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.703132]  ? check_preemption_disabled+0x48/0x280
[  275.708184]  handle_mm_fault+0x54f/0xc70
[  275.712266]  ? __handle_mm_fault+0x5920/0x5920
[  275.716870]  ? find_vma+0x34/0x190
[  275.720420]  __do_page_fault+0x5e8/0xe60
[  275.724490]  ? trace_hardirqs_off+0xb8/0x310
[  275.728916]  do_page_fault+0xf2/0x7e0
[  275.732732]  ? vmalloc_sync_all+0x30/0x30
[  275.736893]  ? error_entry+0x70/0xd0
[  275.740617]  ? trace_hardirqs_off_caller+0xbb/0x310
[  275.745634]  ? trace_hardirqs_on_caller+0xc0/0x310
[  275.750569]  ? syscall_return_slowpath+0x5e0/0x5e0
[  275.755507]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.760365]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.765389]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  275.770855]  ? prepare_exit_to_usermode+0x291/0x3b0
[  275.775877]  ? page_fault+0x8/0x30
[  275.779428]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.784284]  ? page_fault+0x8/0x30
[  275.787829]  page_fault+0x1e/0x30
[  275.791283] RIP: 0033:0x40f9c0
[  275.794489] Code: Bad RIP value.
[  275.797849] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  275.803217] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  275.810489] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  275.817766] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  275.825041] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  275.832320] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  275.839631] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  275.839693] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  275.846652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  275.846657] Call Trace:
[  275.846664]  <IRQ>
[  275.846687]  dump_stack+0x244/0x39d
[  275.846704]  ? dump_stack_print_info.cold.1+0x20/0x20
[  275.853254] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  275.862568]  warn_alloc.cold.117+0xb7/0x1bd
[  275.865119] syz-fuzzer cpuset=
[  275.867265]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  275.870862] /
[  275.876052]  ? lock_downgrade+0x900/0x900
[  275.886257]  mems_allowed=0
[  275.890576]  ? trace_hardirqs_off+0xb8/0x310
[  275.911744]  ? trace_hardirqs_off+0xb8/0x310
[  275.916185]  __alloc_pages_slowpath+0x2660/0x2d70
[  275.921077]  ? warn_alloc+0x120/0x120
[  275.924894]  ? warn_alloc+0x120/0x120
[  275.928706]  ? print_usage_bug+0xc0/0xc0
[  275.932772]  ? warn_alloc+0x120/0x120
[  275.936583]  ? print_usage_bug+0xc0/0xc0
[  275.940652]  ? __lock_acquire+0x62f/0x4c20
[  275.944895]  ? __lock_acquire+0x62f/0x4c20
[  275.949141]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.954695]  ? should_fail+0x22d/0xd01
[  275.958594]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.963886]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.969000]  ? __lock_acquire+0x62f/0x4c20
[  275.973244]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.978354]  ? __lock_acquire+0x62f/0x4c20
[  275.982589]  ? should_fail+0x22d/0xd01
[  275.986488]  ? rcu_irq_exit+0x1a2/0x390
[  275.990483]  ? mark_held_locks+0x130/0x130
[  275.994729]  ? mark_held_locks+0x130/0x130
[  275.998977]  ? mark_held_locks+0xc7/0x130
[  276.003129]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  276.008156]  ? zap_class+0x640/0x640
[  276.011888]  ? print_usage_bug+0xc0/0xc0
[  276.015962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.021511]  ? check_preemption_disabled+0x48/0x280
[  276.026548]  ? __lock_is_held+0xb5/0x140
[  276.030621]  __alloc_pages_nodemask+0xa80/0xde0
[  276.035293]  ? zap_class+0x640/0x640
[  276.039017]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  276.044049]  ? find_held_lock+0x36/0x1c0
[  276.048125]  ? ____cache_alloc_node+0x1c7/0x1e0
[  276.052800]  ? lock_downgrade+0x900/0x900
[  276.056958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.062508]  cache_grow_begin+0xa5/0x8c0
[  276.066574]  ? do_raw_spin_unlock+0xa7/0x330
[  276.070997]  fallback_alloc+0x204/0x2e0
[  276.074985]  ____cache_alloc_node+0x1c7/0x1e0
[  276.079488]  kmem_cache_alloc_node+0xe3/0x730
[  276.083991]  ? ipv6_get_ifaddr+0x42e/0x620
[  276.088241]  __alloc_skb+0x119/0x770
[  276.091964]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.097251]  ? netdev_alloc_frag+0x1f0/0x1f0
[  276.101667]  ? lock_downgrade+0x900/0x900
[  276.105828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.111369]  ? refcount_sub_and_test_checked+0x203/0x310
[  276.116828]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  276.122282]  ? addrconf_rs_timer+0x690/0x690
[  276.126705]  ndisc_alloc_skb+0x144/0x340
[  276.130804]  ndisc_send_rs+0x331/0x6e0
[  276.134707]  addrconf_rs_timer+0x314/0x690
[  276.138954]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.143215]  call_timer_fn+0x272/0x920
[  276.147105]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.151345]  ? process_timeout+0x40/0x40
[  276.155418]  ? __run_timers+0x7da/0xc70
[  276.159402]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.163903]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.168397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.172638]  ? lockdep_hardirqs_on+0x296/0x5b0
[  276.177223]  ? trace_hardirqs_on+0xbd/0x310
[  276.181553]  ? kasan_check_read+0x11/0x20
[  276.185705]  ? __run_timers+0x7da/0xc70
[  276.189683]  ? trace_hardirqs_off_caller+0x310/0x310
[  276.194805]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.199053]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.203294]  __run_timers+0x7e5/0xc70
[  276.207113]  ? timer_fixup_init+0x70/0x70
[  276.211269]  ? kasan_check_read+0x11/0x20
[  276.215439]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.220733]  ? rcu_softirq_qs+0x20/0x20
[  276.224726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.230270]  ? check_preemption_disabled+0x48/0x280
[  276.235299]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  276.240066]  ? retint_kernel+0x2d/0x2d
[  276.243957]  ? trace_hardirqs_on_caller+0xc0/0x310
[  276.248893]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  276.253654]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  276.259110]  ? zap_class+0x640/0x640
[  276.262836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.268381]  ? check_preemption_disabled+0x48/0x280
[  276.273410]  ? __lock_is_held+0xb5/0x140
[  276.277483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.283027]  ? check_preemption_disabled+0x48/0x280
[  276.288060]  run_timer_softirq+0x52/0xb0
[  276.292132]  ? rcu_read_lock_sched_held+0x14f/0x180
[  276.297180]  __do_softirq+0x308/0xb7e
[  276.300996]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  276.305500]  ? lock_downgrade+0x900/0x900
[  276.309675]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  276.314797]  ? pvclock_read_flags+0x160/0x160
[  276.319306]  ? lapic_next_event+0x5a/0x90
[  276.323468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.329019]  ? kvm_clock_read+0x18/0x30
[  276.332999]  ? kvm_sched_clock_read+0x9/0x20
[  276.337411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.342955]  ? check_preemption_disabled+0x48/0x280
[  276.347984]  irq_exit+0x17f/0x1c0
[  276.351444]  smp_apic_timer_interrupt+0x1cb/0x760
[  276.356289]  ? smp_call_function_single_interrupt+0x159/0x650
[  276.362185]  ? smp_call_function_single_interrupt+0x650/0x650
[  276.368076]  ? interrupt_entry+0xb5/0xc0
[  276.372147]  ? trace_hardirqs_off_caller+0xbb/0x310
[  276.377183]  ? trace_hardirqs_off_caller+0xbb/0x310
[  276.382213]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.387065]  ? trace_hardirqs_on_caller+0x310/0x310
[  276.392083]  ? trace_hardirqs_on_caller+0x310/0x310
[  276.397106]  ? task_prio+0x50/0x50
[  276.400651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.406200]  ? check_preemption_disabled+0x48/0x280
[  276.411233]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.416090]  apic_timer_interrupt+0xf/0x20
[  276.420323]  </IRQ>
[  276.422566] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  276.427499] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  276.446631] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  276.454350] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  276.461623] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  276.468897] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  276.476176] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  276.483454] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  276.490774]  skb_clone+0x1bb/0x500
[  276.494324]  ? skb_split+0x11e0/0x11e0
[  276.498218]  ? check_preemption_disabled+0x48/0x280
[  276.503240]  ? __this_cpu_preempt_check+0x1c/0x20
[  276.508093]  ? __bpf_redirect+0x54b/0xb20
[  276.512258]  bpf_clone_redirect+0xb9/0x490
[  276.516506]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  276.521532]  ? __sched_text_start+0x8/0x8
[  276.525687]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  276.530456]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  276.535044]  ? retint_kernel+0x2d/0x2d
[  276.538942]  ? find_held_lock+0x36/0x1c0
[  276.543012]  ? lock_acquire+0x1ed/0x520
[  276.546992]  ? bpf_test_run+0x3cb/0x780
[  276.550968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.556511]  ? check_preemption_disabled+0x48/0x280
[  276.561536]  ? kasan_check_read+0x11/0x20
[  276.565694]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.570981]  ? rcu_softirq_qs+0x20/0x20
[  276.574957]  ? preempt_schedule+0x4d/0x60
[  276.579124]  ? ___preempt_schedule+0x16/0x18
[  276.583546]  ? bpf_test_run+0x25d/0x780
[  276.587535]  ? netlink_diag_dump+0x2a0/0x2a0
[  276.591951]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.597495]  ? bpf_test_init.isra.10+0x70/0x100
[  276.602199]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  276.606987]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  276.611848]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  276.617410]  ? fput+0x130/0x1a0
[  276.620715]  ? __bpf_prog_get+0x9b/0x290
[  276.624802]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  276.629670]  ? bpf_prog_test_run+0x130/0x1a0
[  276.634103]  ? __x64_sys_bpf+0x3d8/0x520
[  276.638194]  ? bpf_prog_get+0x20/0x20
[  276.642035]  ? do_syscall_64+0x1b9/0x820
[  276.646121]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  276.651525]  ? syscall_return_slowpath+0x5e0/0x5e0
[  276.656470]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.661331]  ? trace_hardirqs_on_caller+0x310/0x310
[  276.666365]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  276.671399]  ? prepare_exit_to_usermode+0x291/0x3b0
[  276.676442]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.681306]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  276.686696] warn_alloc_show_mem: 1 callbacks suppressed
[  276.686708] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  276.686710] Mem-Info:
[  276.686741] active_anon:56297 inactive_anon:436 isolated_anon:0
[  276.686741]  active_file:15 inactive_file:14 isolated_file:0
[  276.686741]  unevictable:0 dirty:0 writeback:0 unstable:0
[  276.686741]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  276.686741]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  276.686741]  free:13786 free_pcp:429 free_cma:0
[  276.692079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  276.692088] Call Trace:
[  276.698773] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  276.701184]  <IRQ>
[  276.734150] Node 0 
[  276.743553]  dump_stack+0x244/0x39d
[  276.746148] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  276.773912]  ? dump_stack_print_info.cold.1+0x20/0x20
[  276.776035] lowmem_reserve[]:
[  276.778278]  warn_alloc.cold.117+0xb7/0x1bd
[  276.782395]  0
[  276.807915]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  276.813090]  2818
[  276.816217]  ? lock_downgrade+0x900/0x900
[  276.820519]  6321
[  276.822358]  ? trace_hardirqs_off+0xb8/0x310
[  276.827172]  6321
[  276.829243]  ? trace_hardirqs_off+0xb8/0x310
[  276.833357] Node 0 
[  276.835428]  __alloc_pages_slowpath+0x2660/0x2d70
[  276.839835] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  276.841897]  ? warn_alloc+0x120/0x120
[  276.846245] lowmem_reserve[]: 0
[  276.848494]  ? warn_alloc+0x120/0x120
[  276.853303]  0 3503
[  276.880042]  ? print_usage_bug+0xc0/0xc0
[  276.883819]  3503
[  276.887097]  ? warn_alloc+0x120/0x120
[  276.893107]  ? print_usage_bug+0xc0/0xc0
[  276.897143] Node 0 
[  276.899216]  ? __lock_acquire+0x62f/0x4c20
[  276.903018] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  276.907049]  ? __lock_acquire+0x62f/0x4c20
[  276.909261] lowmem_reserve[]:
[  276.913495]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.941927]  0 0
[  276.946191]  ? should_fail+0x22d/0xd01
[  276.949269]  0
[  276.954807]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.956751]  0
[  276.960639]  ? __lock_acquire+0x62f/0x4c20
[  276.967514]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.969295] Node 0 
[  276.973526]  ? __lock_acquire+0x62f/0x4c20
[  276.978604] DMA: 
[  276.980835]  ? should_fail+0x22d/0xd01
[  276.985052] 1*4kB 
[  276.987111]  ? find_held_lock+0x36/0x1c0
[  276.990974] (U) 
[  276.993128]  ? mark_held_locks+0x130/0x130
[  276.997153] 0*8kB 0*16kB 
[  276.999145]  ? mark_held_locks+0x130/0x130
[  277.003352] 1*32kB 
[  277.006112]  ? zap_class+0x640/0x640
[  277.010320] (U) 
[  277.012553]  ? zap_class+0x640/0x640
[  277.016244] 2*64kB 
[  277.018240]  ? print_usage_bug+0xc0/0xc0
[  277.021936] (U) 
[  277.024179]  ? do_raw_spin_unlock+0xa7/0x330
[  277.028220] 1*128kB (U) 
[  277.030213]  ? zap_class+0x640/0x640
[  277.034592] 1*256kB (U) 
[  277.037274]  ? print_usage_bug+0xc0/0xc0
[  277.040954] 0*512kB 1*1024kB 
[  277.043634]  ? wq_watchdog_touch+0x9c/0xfe
[  277.047660] (U) 1*2048kB 
[  277.050777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.054981] (M) 
[  277.057738]  ? check_preemption_disabled+0x48/0x280
[  277.063251] 3*4096kB 
[  277.065232]  ? __lock_is_held+0xb5/0x140
[  277.070209] (M) = 15908kB
[  277.072634]  __alloc_pages_nodemask+0xa80/0xde0
[  277.076662] Node 0 DMA32: 
[  277.079423]  ? zap_class+0x640/0x640
[  277.084075] 5*4kB 
[  277.086942]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  277.090621] (UM) 
[  277.092779]  ? find_held_lock+0x36/0x1c0
[  277.097757] 1*8kB (U) 
[  277.099829]  ? ____cache_alloc_node+0x1c7/0x1e0
[  277.103855] 2*16kB 
[  277.106345]  ? lock_downgrade+0x900/0x900
[  277.110984] (M) 
[  277.113227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.117345] 1*32kB 
[  277.119322]  cache_grow_begin+0xa5/0x8c0
[  277.124847] (M) 
[  277.127176]  ? do_raw_spin_unlock+0xa7/0x330
[  277.131207] 3*64kB (M) 
[  277.133201]  fallback_alloc+0x204/0x2e0
[  277.137575] 5*128kB (UM) 
[  277.140179]  ____cache_alloc_node+0x1c7/0x1e0
[  277.144119] 3*256kB (M) 
[  277.146883]  kmem_cache_alloc_node+0xe3/0x730
[  277.151346] 4*512kB (UM) 
[  277.154024]  ? ipv6_get_ifaddr+0x42e/0x620
[  277.158485] 3*1024kB (UM) 
[  277.161257]  __alloc_skb+0x119/0x770
[  277.165459] 3*2048kB 
[  277.168307]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.171989] (UM) 3*4096kB 
[  277.174410]  ? netdev_alloc_frag+0x1f0/0x1f0
[  277.179655] (M) = 25244kB
[  277.182511]  ? lock_downgrade+0x900/0x900
[  277.186894] Node 0 
[  277.189656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.193771] Normal: 
[  277.196006]  ? refcount_sub_and_test_checked+0x203/0x310
[  277.201516] 719*4kB 
[  277.203844]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  277.209258] (UMEH) 258*8kB 
[  277.211588]  ? addrconf_rs_timer+0x690/0x690
[  277.217010] (UME) 197*16kB 
[  277.219966]  ndisc_alloc_skb+0x144/0x340
[  277.224333] (UME) 98*32kB 
[  277.227278]  ndisc_send_rs+0x331/0x6e0
[  277.231329] (UME) 44*64kB 
[  277.234222]  addrconf_rs_timer+0x314/0x690
[  277.238077] (UM) 
[  277.240924]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.245122] 0*128kB 0*256kB 
[  277.247228]  call_timer_fn+0x272/0x920
[  277.251425] 0*512kB 
[  277.254434]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.258318] 0*1024kB 
[  277.260637]  ? process_timeout+0x40/0x40
[  277.264849] 0*2048kB 
[  277.267260]  ? mark_held_locks+0xc7/0x130
[  277.271295] 0*4096kB 
[  277.273698]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.277821] = 14044kB
[  277.280224]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.284704] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  277.287101]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.291581] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  277.300703]  ? lockdep_hardirqs_on+0x296/0x5b0
[  277.304916] 4793 total pagecache pages
[  277.313491]  ? trace_hardirqs_on+0xbd/0x310
[  277.318052] 0 pages in swap cache
[  277.321945]  ? kasan_check_read+0x11/0x20
[  277.326240] Swap cache stats: add 0, delete 0, find 0/0
[  277.329691]  ? __run_timers+0x7da/0xc70
[  277.333812] Free swap  = 0kB
[  277.339181]  ? trace_hardirqs_off_caller+0x310/0x310
[  277.343122] Total swap = 0kB
[  277.343130] 1965979 pages RAM
[  277.346145]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.351219] 0 pages HighMem/MovableOnly
[  277.354233]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.357315] 342867 pages reserved
[  277.361546]  __run_timers+0x7e5/0xc70
[  277.365494] 0 pages cma reserved
[  277.369731]  ? timer_fixup_init+0x70/0x70
[  277.373242] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  277.376950]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  277.376966]  ? zap_class+0x640/0x640
[  277.376984]  ? print_usage_bug+0xc0/0xc0
[  277.380391] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  277.384477]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  277.390944] syz-executor4 cpuset=
[  277.395958]  ? find_held_lock+0x36/0x1c0
[  277.399644] syz4
[  277.403703]  ? zap_class+0x640/0x640
[  277.414175]  mems_allowed=0
[  277.419356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.440931]  ? check_preemption_disabled+0x48/0x280
[  277.445962]  ? __lock_is_held+0xb5/0x140
[  277.450028]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.455564]  ? check_preemption_disabled+0x48/0x280
[  277.460591]  run_timer_softirq+0x52/0xb0
[  277.464657]  ? rcu_read_lock_sched_held+0x14f/0x180
[  277.469673]  __do_softirq+0x308/0xb7e
[  277.473480]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  277.477976]  ? lock_downgrade+0x900/0x900
[  277.482131]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  277.487254]  ? pvclock_read_flags+0x160/0x160
[  277.491754]  ? lapic_next_event+0x5a/0x90
[  277.495910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.501460]  ? kvm_clock_read+0x18/0x30
[  277.505432]  ? kvm_sched_clock_read+0x9/0x20
[  277.509870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.515410]  ? check_preemption_disabled+0x48/0x280
[  277.520436]  irq_exit+0x17f/0x1c0
[  277.523891]  smp_apic_timer_interrupt+0x1cb/0x760
[  277.528737]  ? smp_reschedule_interrupt+0x109/0x650
[  277.533756]  ? smp_call_function_single_interrupt+0x650/0x650
[  277.539660]  ? interrupt_entry+0xb5/0xc0
[  277.543725]  ? trace_hardirqs_off_caller+0xbb/0x310
[  277.548741]  ? trace_hardirqs_off_caller+0xbb/0x310
[  277.553762]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.558608]  ? trace_hardirqs_on_caller+0x310/0x310
[  277.563626]  ? trace_hardirqs_on_caller+0x310/0x310
[  277.568642]  ? task_prio+0x50/0x50
[  277.572192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.577733]  ? check_preemption_disabled+0x48/0x280
[  277.582756]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.587611]  apic_timer_interrupt+0xf/0x20
[  277.591856]  </IRQ>
[  277.594098] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  277.599287] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  277.618194] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  277.625907] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  277.633183] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  277.640449] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  277.647719] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  277.654987] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  277.662289]  retint_kernel+0x1b/0x2d
[  277.666002] RIP: 0010:dump_stack+0x358/0x39d
[  277.670411] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  277.689308] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  277.697021] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  277.704291] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  277.711562] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  277.718827] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  277.726093] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  277.733381]  ? dump_stack+0x34f/0x39d
[  277.737203]  ? dump_stack_print_info.cold.1+0x20/0x20
[  277.742408]  dump_header+0x27b/0xf72
[  277.746133]  ? mark_held_locks+0x130/0x130
[  277.750378]  ? pagefault_out_of_memory+0x197/0x197
[  277.755314]  ? __lock_acquire+0x62f/0x4c20
[  277.759551]  ? zap_class+0x640/0x640
[  277.763268]  ? percpu_ref_get_many+0x240/0x240
[  277.767852]  ? print_usage_bug+0xc0/0xc0
[  277.771913]  ? print_usage_bug+0xc0/0xc0
[  277.775988]  ? zap_class+0x640/0x640
[  277.779708]  ? print_usage_bug+0xc0/0xc0
[  277.783769]  ? print_usage_bug+0xc0/0xc0
[  277.787839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.793381]  ? find_held_lock+0x36/0x1c0
[  277.797450]  ? mark_held_locks+0xc7/0x130
[  277.801606]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  277.806714]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  277.811822]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  277.816408]  ? trace_hardirqs_on+0xbd/0x310
[  277.820733]  ? kasan_check_read+0x11/0x20
[  277.824882]  ? ___ratelimit+0x3b4/0x672
[  277.828857]  ? trace_hardirqs_off_caller+0x310/0x310
[  277.833964]  ? trace_hardirqs_on+0x310/0x310
[  277.838373]  ? lock_downgrade+0x900/0x900
[  277.842530]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  277.847638]  ? ___ratelimit+0x3b9/0x672
[  277.851617]  ? idr_get_free+0xec0/0xec0
[  277.855595]  ? find_held_lock+0x36/0x1c0
[  277.859667]  oom_kill_process.cold.27+0x10/0x903
[  277.864423]  ? zap_class+0x640/0x640
[  277.868138]  ? check_preemption_disabled+0x48/0x280
[  277.873176]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  277.878107]  ? kasan_check_read+0x11/0x20
[  277.882255]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.887532]  ? oom_evaluate_task+0x540/0x540
[  277.891948]  ? find_held_lock+0x36/0x1c0
[  277.896017]  ? out_of_memory+0x974/0x1430
[  277.900175]  ? lock_downgrade+0x900/0x900
[  277.904326]  ? check_preemption_disabled+0x48/0x280
[  277.909353]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  277.914284]  ? kasan_check_read+0x11/0x20
[  277.918436]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.923720]  ? rcu_softirq_qs+0x20/0x20
[  277.927717]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.933259]  ? oom_evaluate_task+0x302/0x540
[  277.937675]  out_of_memory+0xa84/0x1430
[  277.941659]  ? oom_killer_disable+0x3a0/0x3a0
[  277.946158]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  277.951100]  ? __mutex_add_waiter+0x2a0/0x2a0
[  277.955611]  __alloc_pages_slowpath+0x22d4/0x2d70
[  277.960485]  ? warn_alloc+0x120/0x120
[  277.964292]  ? rcu_softirq_qs+0x20/0x20
[  277.968297]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.973834]  ? should_fail+0x22d/0xd01
[  277.977725]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.982837]  ? zap_class+0x640/0x640
[  277.986577]  ? __lock_is_held+0xb5/0x140
[  277.990649]  ? mark_held_locks+0x130/0x130
[  277.994887]  ? lock_release+0xa00/0xa00
[  277.998862]  ? perf_trace_sched_process_exec+0x860/0x860
[  278.004325]  ? __might_sleep+0x95/0x190
[  278.008308]  __alloc_pages_nodemask+0xa80/0xde0
[  278.012987]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  278.018006]  ? __page_cache_alloc+0x191/0x5c0
[  278.022503]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  278.027437]  ? kasan_check_read+0x11/0x20
[  278.031589]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.036867]  ? zap_class+0x640/0x640
[  278.040595]  ? zap_class+0x640/0x640
[  278.044311]  ? zap_class+0x640/0x640
[  278.048027]  ? __do_page_cache_readahead+0x7ce/0x980
[  278.053139]  ? find_held_lock+0x36/0x1c0
[  278.057216]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  278.062764]  alloc_pages_current+0x173/0x350
[  278.067189]  __page_cache_alloc+0x38c/0x5c0
[  278.071513]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  278.076441]  ? kasan_check_read+0x11/0x20
[  278.080597]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.085880]  ? generic_perform_write+0x6a0/0x6a0
[  278.090637]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.096182]  ? check_preemption_disabled+0x48/0x280
[  278.101215]  filemap_fault+0x1594/0x25f0
[  278.105295]  ? __lock_page_or_retry+0xa00/0xa00
[  278.109970]  ? mark_held_locks+0x130/0x130
[  278.114211]  ? rcu_softirq_qs+0x20/0x20
[  278.118208]  ? filemap_map_pages+0xe04/0x1990
[  278.122720]  ? __free_object+0x173/0x340
[  278.126792]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  278.131725]  ? trace_hardirqs_off_caller+0x310/0x310
[  278.136829]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  278.141515]  ? debug_object_free+0x32d/0x690
[  278.145934]  ? kasan_check_read+0x11/0x20
[  278.150085]  ? debug_object_destroy+0x2b0/0x2b0
[  278.154766]  ? lock_pi_update_atomic+0x150/0x150
[  278.159526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.165068]  ? __hrtimer_init+0xdb/0x240
[  278.169147]  ? lock_acquire+0x1ed/0x520
[  278.173131]  ? ext4_filemap_fault+0x7a/0xad
[  278.177476]  ? lock_release+0xa00/0xa00
[  278.181459]  ? perf_trace_sched_process_exec+0x860/0x860
[  278.186939]  ? print_usage_bug+0xc0/0xc0
[  278.191015]  ? print_usage_bug+0xc0/0xc0
[  278.195101]  ? down_read+0x8d/0x120
[  278.198735]  ? ext4_filemap_fault+0x7a/0xad
[  278.203058]  ? __down_interruptible+0x700/0x700
[  278.207741]  ext4_filemap_fault+0x82/0xad
[  278.211894]  __do_fault+0x100/0x6b0
[  278.215526]  ? find_held_lock+0x36/0x1c0
[  278.219593]  ? pmd_devmap_trans_unstable+0x220/0x220
[  278.224702]  ? mark_held_locks+0x130/0x130
[  278.228945]  ? mark_held_locks+0x130/0x130
[  278.233198]  ? kasan_check_read+0x11/0x20
[  278.237349]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.242892]  __handle_mm_fault+0x307c/0x5920
[  278.247298]  ? perf_trace_lock+0x7a0/0x7a0
[  278.251545]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  278.256402]  ? __switch_to_asm+0x34/0x70
[  278.260466]  ? __switch_to_asm+0x34/0x70
[  278.264541]  ? zap_class+0x640/0x640
[  278.268258]  ? zap_class+0x640/0x640
[  278.271972]  ? __x64_sys_futex+0x53e/0x6a0
[  278.276214]  ? find_held_lock+0x36/0x1c0
[  278.280287]  ? handle_mm_fault+0x42a/0xc70
[  278.284526]  ? lock_downgrade+0x900/0x900
[  278.288674]  ? check_preemption_disabled+0x48/0x280
[  278.293698]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  278.298631]  ? kasan_check_read+0x11/0x20
[  278.302783]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.308061]  ? rcu_softirq_qs+0x20/0x20
[  278.312040]  ? trace_hardirqs_off_caller+0x310/0x310
[  278.317148]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.322697]  ? check_preemption_disabled+0x48/0x280
[  278.327722]  handle_mm_fault+0x54f/0xc70
[  278.331791]  ? __handle_mm_fault+0x5920/0x5920
[  278.336387]  ? find_vma+0x34/0x190
[  278.339944]  __do_page_fault+0x5e8/0xe60
[  278.344005]  ? trace_hardirqs_off+0xb8/0x310
[  278.348432]  do_page_fault+0xf2/0x7e0
[  278.352243]  ? vmalloc_sync_all+0x30/0x30
[  278.356394]  ? error_entry+0x70/0xd0
[  278.360114]  ? trace_hardirqs_off_caller+0xbb/0x310
[  278.365131]  ? trace_hardirqs_on_caller+0xc0/0x310
[  278.370062]  ? syscall_return_slowpath+0x5e0/0x5e0
[  278.374991]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.379837]  ? trace_hardirqs_on_caller+0x310/0x310
[  278.384854]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  278.390314]  ? prepare_exit_to_usermode+0x291/0x3b0
[  278.395510]  ? page_fault+0x8/0x30
[  278.399059]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.403906]  ? page_fault+0x8/0x30
[  278.407455]  page_fault+0x1e/0x30
[  278.410906] RIP: 0033:0x40f9c0
[  278.414113] Code: Bad RIP value.
[  278.417474] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  278.422841] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  278.430602] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  278.437874] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  278.445140] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  278.452413] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  278.459996] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  278.460062] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  278.467009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  278.467014] Call Trace:
[  278.467021]  <IRQ>
[  278.467042]  dump_stack+0x244/0x39d
[  278.467060]  ? dump_stack_print_info.cold.1+0x20/0x20
[  278.473589] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  278.482893]  warn_alloc.cold.117+0xb7/0x1bd
[  278.485446] syz-fuzzer cpuset=
[  278.487611]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  278.491217] /
[  278.496405]  ? lock_downgrade+0x900/0x900
[  278.506613]  mems_allowed=0
[  278.510927]  ? trace_hardirqs_off+0xb8/0x310
[  278.532099]  ? trace_hardirqs_off+0xb8/0x310
[  278.536520]  __alloc_pages_slowpath+0x2660/0x2d70
[  278.541392]  ? warn_alloc+0x120/0x120
[  278.545205]  ? warn_alloc+0x120/0x120
[  278.549010]  ? print_usage_bug+0xc0/0xc0
[  278.553079]  ? warn_alloc+0x120/0x120
[  278.556882]  ? print_usage_bug+0xc0/0xc0
[  278.560943]  ? __lock_acquire+0x62f/0x4c20
[  278.565189]  ? __lock_acquire+0x62f/0x4c20
[  278.569440]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.574980]  ? should_fail+0x22d/0xd01
[  278.578872]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.584065]  ? __lock_acquire+0x62f/0x4c20
[  278.588305]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.593410]  ? __lock_acquire+0x62f/0x4c20
[  278.597647]  ? should_fail+0x22d/0xd01
[  278.601536]  ? find_held_lock+0x36/0x1c0
[  278.605605]  ? mark_held_locks+0x130/0x130
[  278.609845]  ? mark_held_locks+0x130/0x130
[  278.614081]  ? zap_class+0x640/0x640
[  278.617801]  ? zap_class+0x640/0x640
[  278.621517]  ? print_usage_bug+0xc0/0xc0
[  278.625578]  ? do_raw_spin_unlock+0xa7/0x330
[  278.629991]  ? zap_class+0x640/0x640
[  278.633708]  ? print_usage_bug+0xc0/0xc0
[  278.637767]  ? wq_watchdog_touch+0x9c/0xfe
[  278.642010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.647549]  ? check_preemption_disabled+0x48/0x280
[  278.652580]  ? __lock_is_held+0xb5/0x140
[  278.656653]  __alloc_pages_nodemask+0xa80/0xde0
[  278.661330]  ? zap_class+0x640/0x640
[  278.665058]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  278.670086]  ? find_held_lock+0x36/0x1c0
[  278.674162]  ? ____cache_alloc_node+0x1c7/0x1e0
[  278.678841]  ? lock_downgrade+0x900/0x900
[  278.682999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.688544]  cache_grow_begin+0xa5/0x8c0
[  278.692603]  ? do_raw_spin_unlock+0xa7/0x330
[  278.697023]  fallback_alloc+0x204/0x2e0
[  278.701006]  ____cache_alloc_node+0x1c7/0x1e0
[  278.705510]  kmem_cache_alloc_node+0xe3/0x730
[  278.710006]  ? ipv6_get_ifaddr+0x42e/0x620
[  278.714251]  __alloc_skb+0x119/0x770
[  278.717970]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.723251]  ? netdev_alloc_frag+0x1f0/0x1f0
[  278.727663]  ? lock_downgrade+0x900/0x900
[  278.731823]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.737367]  ? refcount_sub_and_test_checked+0x203/0x310
[  278.742826]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  278.748279]  ? addrconf_rs_timer+0x690/0x690
[  278.752745]  ndisc_alloc_skb+0x144/0x340
[  278.756811]  ndisc_send_rs+0x331/0x6e0
[  278.760703]  addrconf_rs_timer+0x314/0x690
[  278.764942]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.769222]  call_timer_fn+0x272/0x920
[  278.773114]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.777354]  ? process_timeout+0x40/0x40
[  278.781436]  ? __run_timers+0x7da/0xc70
[  278.785414]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.789915]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.794407]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.798644]  ? lockdep_hardirqs_on+0x296/0x5b0
[  278.803231]  ? trace_hardirqs_on+0xbd/0x310
[  278.807552]  ? kasan_check_read+0x11/0x20
[  278.811699]  ? __run_timers+0x7da/0xc70
[  278.815677]  ? trace_hardirqs_off_caller+0x310/0x310
[  278.820785]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.825027]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.829264]  __run_timers+0x7e5/0xc70
[  278.833079]  ? timer_fixup_init+0x70/0x70
[  278.837228]  ? kasan_check_read+0x11/0x20
[  278.841383]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.846662]  ? rcu_softirq_qs+0x20/0x20
[  278.850642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.856188]  ? check_preemption_disabled+0x48/0x280
[  278.861215]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  278.865977]  ? retint_kernel+0x2d/0x2d
[  278.869863]  ? trace_hardirqs_on_caller+0xc0/0x310
[  278.874792]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  278.879548]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  278.884998]  ? zap_class+0x640/0x640
[  278.888719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.894256]  ? check_preemption_disabled+0x48/0x280
[  278.899283]  ? __lock_is_held+0xb5/0x140
[  278.903348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.908887]  ? check_preemption_disabled+0x48/0x280
[  278.913911]  run_timer_softirq+0x52/0xb0
[  278.917977]  ? rcu_read_lock_sched_held+0x14f/0x180
[  278.922997]  __do_softirq+0x308/0xb7e
[  278.926801]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  278.931299]  ? lock_downgrade+0x900/0x900
[  278.935454]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  278.940565]  ? pvclock_read_flags+0x160/0x160
[  278.945066]  ? lapic_next_event+0x5a/0x90
[  278.949220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.954766]  ? kvm_clock_read+0x18/0x30
[  278.958742]  ? kvm_sched_clock_read+0x9/0x20
[  278.963152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.968702]  ? check_preemption_disabled+0x48/0x280
[  278.973728]  irq_exit+0x17f/0x1c0
[  278.977192]  smp_apic_timer_interrupt+0x1cb/0x760
[  278.982040]  ? smp_call_function_single_interrupt+0x159/0x650
[  278.988024]  ? smp_call_function_single_interrupt+0x650/0x650
[  278.993917]  ? interrupt_entry+0xb5/0xc0
[  278.997984]  ? trace_hardirqs_off_caller+0xbb/0x310
[  279.003002]  ? trace_hardirqs_off_caller+0xbb/0x310
[  279.008021]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.012866]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.017886]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.022901]  ? task_prio+0x50/0x50
[  279.026452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.031992]  ? check_preemption_disabled+0x48/0x280
[  279.037018]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.041871]  apic_timer_interrupt+0xf/0x20
[  279.046099]  </IRQ>
[  279.048345] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  279.053277] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  279.072183] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  279.079892] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  279.087163] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  279.094443] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  279.101711] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  279.108996] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  279.116307]  skb_clone+0x1bb/0x500
[  279.119850]  ? skb_split+0x11e0/0x11e0
[  279.123738]  ? check_preemption_disabled+0x48/0x280
[  279.128758]  ? __this_cpu_preempt_check+0x1c/0x20
[  279.133606]  ? __bpf_redirect+0x54b/0xb20
[  279.137763]  bpf_clone_redirect+0xb9/0x490
[  279.142012]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  279.147033]  ? __sched_text_start+0x8/0x8
[  279.151190]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  279.155952]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  279.160534]  ? retint_kernel+0x2d/0x2d
[  279.164434]  ? find_held_lock+0x36/0x1c0
[  279.168507]  ? lock_acquire+0x1ed/0x520
[  279.172484]  ? bpf_test_run+0x3cb/0x780
[  279.176467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.182006]  ? check_preemption_disabled+0x48/0x280
[  279.187032]  ? kasan_check_read+0x11/0x20
[  279.191190]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  279.196470]  ? rcu_softirq_qs+0x20/0x20
[  279.200449]  ? preempt_schedule+0x4d/0x60
[  279.204597]  ? ___preempt_schedule+0x16/0x18
[  279.209013]  ? bpf_test_run+0x25d/0x780
[  279.213003]  ? netlink_diag_dump+0x2a0/0x2a0
[  279.217414]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.222953]  ? bpf_test_init.isra.10+0x70/0x100
[  279.227633]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  279.232398]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  279.237245]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  279.242787]  ? fput+0x130/0x1a0
[  279.246068]  ? __bpf_prog_get+0x9b/0x290
[  279.250134]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  279.254987]  ? bpf_prog_test_run+0x130/0x1a0
[  279.259401]  ? __x64_sys_bpf+0x3d8/0x520
[  279.263468]  ? bpf_prog_get+0x20/0x20
[  279.267296]  ? do_syscall_64+0x1b9/0x820
[  279.271363]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  279.276728]  ? syscall_return_slowpath+0x5e0/0x5e0
[  279.281656]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.286499]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.291524]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  279.296544]  ? prepare_exit_to_usermode+0x291/0x3b0
[  279.301808]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.306664]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  279.312051] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  279.312057] warn_alloc_show_mem: 1 callbacks suppressed
[  279.312064] Mem-Info:
[  279.318731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  279.324098] active_anon:56297 inactive_anon:436 isolated_anon:0
[  279.324098]  active_file:15 inactive_file:14 isolated_file:0
[  279.324098]  unevictable:0 dirty:0 writeback:0 unstable:0
[  279.324098]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  279.324098]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  279.324098]  free:13786 free_pcp:429 free_cma:0
[  279.326469] Call Trace:
[  279.335859] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  279.368790]  <IRQ>
[  279.371359] Node 0 
[  279.399126]  dump_stack+0x244/0x39d
[  279.401276] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  279.403483]  ? dump_stack_print_info.cold.1+0x20/0x20
[  279.407081] lowmem_reserve[]:
[  279.433039]  warn_alloc.cold.117+0xb7/0x1bd
[  279.438202]  0
[  279.441300]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  279.445595]  2818
[  279.447396]  ? lock_downgrade+0x900/0x900
[  279.452213]  6321
[  279.454277]  ? trace_hardirqs_off+0xb8/0x310
[  279.458393]  6321
[  279.460452]  ? trace_hardirqs_off+0xb8/0x310
[  279.464833] Node 0 
[  279.466898]  __alloc_pages_slowpath+0x2660/0x2d70
[  279.471301] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  279.473533]  ? warn_alloc+0x120/0x120
[  279.478324] lowmem_reserve[]:
[  279.505039]  ? warn_alloc+0x120/0x120
[  279.508806]  0 0
[  279.511912]  ? print_usage_bug+0xc0/0xc0
[  279.515685]  3503
[  279.517654]  ? warn_alloc+0x120/0x120
[  279.521689]  3503
[  279.523749]  ? print_usage_bug+0xc0/0xc0
[  279.529583]  ? __lock_acquire+0x62f/0x4c20
[  279.533624] Node 0 
[  279.537848]  ? __lock_acquire+0x62f/0x4c20
[  279.537879] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  279.537886] lowmem_reserve[]:
[  279.540119]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.544326]  0
[  279.572772]  ? should_fail+0x22d/0xd01
[  279.575851]  0
[  279.581382]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.583160]  0
[  279.587047]  ? __lock_acquire+0x62f/0x4c20
[  279.588823]  0
[  279.593918]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.599921]  ? __lock_acquire+0x62f/0x4c20
[  279.601699] Node 0 
[  279.606791]  ? should_fail+0x22d/0xd01
[  279.611002] DMA: 
[  279.613231]  ? find_held_lock+0x36/0x1c0
[  279.617095] 1*4kB 
[  279.619159]  ? mark_held_locks+0x130/0x130
[  279.623201] (U) 
[  279.625347]  ? mark_held_locks+0x130/0x130
[  279.629556] 0*8kB 
[  279.631525]  ? zap_class+0x640/0x640
[  279.635735] 0*16kB 
[  279.637880]  ? zap_class+0x640/0x640
[  279.641574] 1*32kB 
[  279.643805]  ? print_usage_bug+0xc0/0xc0
[  279.647493] (U) 
[  279.649722]  ? do_raw_spin_unlock+0xa7/0x330
[  279.653756] 2*64kB 
[  279.655725]  ? zap_class+0x640/0x640
[  279.660107] (U) 
[  279.662341]  ? print_usage_bug+0xc0/0xc0
[  279.666030] 1*128kB 
[  279.668001]  ? wq_watchdog_touch+0x9c/0xfe
[  279.672040] (U) 
[  279.674359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.678570] 1*256kB 
[  279.680544]  ? check_preemption_disabled+0x48/0x280
[  279.686052] (U) 
[  279.688375]  ? __lock_is_held+0xb5/0x140
[  279.693363] 0*512kB 
[  279.695334]  __alloc_pages_nodemask+0xa80/0xde0
[  279.699365] 1*1024kB 
[  279.701681]  ? zap_class+0x640/0x640
[  279.706324] (U) 
[  279.708731]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  279.712422] 1*2048kB 
[  279.714398]  ? find_held_lock+0x36/0x1c0
[  279.719380] (M) 
[  279.721793]  ? ____cache_alloc_node+0x1c7/0x1e0
[  279.725823] 3*4096kB 
[  279.727791]  ? lock_downgrade+0x900/0x900
[  279.732433] (M) 
[  279.734841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.738961] = 15908kB
[  279.740936]  cache_grow_begin+0xa5/0x8c0
[  279.746443] Node 0 
[  279.748846]  ? do_raw_spin_unlock+0xa7/0x330
[  279.752884] DMA32: 
[  279.755120]  fallback_alloc+0x204/0x2e0
[  279.759496] 5*4kB 
[  279.761731]  ____cache_alloc_node+0x1c7/0x1e0
[  279.765675] (UM) 
[  279.767823]  kmem_cache_alloc_node+0xe3/0x730
[  279.772291] 1*8kB 
[  279.774348]  ? ipv6_get_ifaddr+0x42e/0x620
[  279.778819] (U) 
[  279.780972]  __alloc_skb+0x119/0x770
[  279.785183] 2*16kB 
[  279.787154]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  279.790842] (M) 
[  279.793074]  ? netdev_alloc_frag+0x1f0/0x1f0
[  279.798328] 1*32kB 
[  279.800301]  ? lock_downgrade+0x900/0x900
[  279.804681] (M) 
[  279.806922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.811043] 3*64kB 
[  279.813015]  ? refcount_sub_and_test_checked+0x203/0x310
[  279.818526] (M) 
[  279.820761]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  279.826188] 5*128kB 
[  279.828164]  ? addrconf_rs_timer+0x690/0x690
[  279.833593] (UM) 
[  279.835920]  ndisc_alloc_skb+0x144/0x340
[  279.840296] 3*256kB 
[  279.842354]  ndisc_send_rs+0x331/0x6e0
[  279.846384] (M) 4*512kB 
[  279.848716]  addrconf_rs_timer+0x314/0x690
[  279.852580] (UM) 
[  279.855247]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.859455] 3*1024kB 
[  279.861524]  call_timer_fn+0x272/0x920
[  279.865724] (UM) 
[  279.868128]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.871989] 3*2048kB (UM) 
[  279.874062]  ? process_timeout+0x40/0x40
[  279.878270] 3*4096kB 
[  279.881120]  ? mark_held_locks+0xc7/0x130
[  279.885147] (M) 
[  279.887562]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.891681] = 25244kB
[  279.893651]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.898120] Node 0 
[  279.900527]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.904995] Normal: 
[  279.907234]  ? lockdep_hardirqs_on+0x296/0x5b0
[  279.911444] 719*4kB 
[  279.913761]  ? trace_hardirqs_on+0xbd/0x310
[  279.918319] (UMEH) 
[  279.920643]  ? kasan_check_read+0x11/0x20
[  279.924935] 258*8kB (UME) 
[  279.927187]  ? __run_timers+0x7da/0xc70
[  279.931306] 197*16kB 
[  279.934148]  ? trace_hardirqs_off_caller+0x310/0x310
[  279.938098] (UME) 
[  279.940504]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.945574] 98*32kB (UME) 
[  279.947727]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.951939] 44*64kB 
[  279.954782]  __run_timers+0x7e5/0xc70
[  279.958993] (UM) 
[  279.961325]  ? timer_fixup_init+0x70/0x70
[  279.965090] 0*128kB 
[  279.967147]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  279.971268] 0*256kB 
[  279.973583]  ? zap_class+0x640/0x640
[  279.978567] 0*512kB 0*1024kB 
[  279.980895]  ? print_usage_bug+0xc0/0xc0
[  279.984588] 0*2048kB 
[  279.987689]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  279.991729] 0*4096kB 
[  279.994137]  ? find_held_lock+0x36/0x1c0
[  279.999299] = 14044kB
[  280.001715]  ? zap_class+0x640/0x640
[  280.005758] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  280.008158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.011857] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  280.020684]  ? check_preemption_disabled+0x48/0x280
[  280.026200] 4793 total pagecache pages
[  280.034774]  ? __lock_is_held+0xb5/0x140
[  280.039766] 0 pages in swap cache
[  280.043644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.047685] Swap cache stats: add 0, delete 0, find 0/0
[  280.051129]  ? check_preemption_disabled+0x48/0x280
[  280.056638] Free swap  = 0kB
[  280.061999]  run_timer_softirq+0x52/0xb0
[  280.066989] Total swap = 0kB
[  280.070002]  ? rcu_read_lock_sched_held+0x14f/0x180
[  280.074041] 1965979 pages RAM
[  280.077053]  __do_softirq+0x308/0xb7e
[  280.082041] 0 pages HighMem/MovableOnly
[  280.082050] 342867 pages reserved
[  280.085150]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  280.088921] 0 pages cma reserved
[  280.092892]  ? lock_downgrade+0x900/0x900
[  280.096411] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  280.100806]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  280.104214] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  280.108301]  ? pvclock_read_flags+0x160/0x160
[  280.114765] syz-executor4 cpuset=
[  280.119866]  ? lapic_next_event+0x5a/0x90
[  280.130321] syz4
[  280.134814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.138241]  mems_allowed=0
[  280.142388]  ? kvm_clock_read+0x18/0x30
[  280.156741]  ? kvm_sched_clock_read+0x9/0x20
[  280.161151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.166700]  ? check_preemption_disabled+0x48/0x280
[  280.171729]  irq_exit+0x17f/0x1c0
[  280.175194]  smp_apic_timer_interrupt+0x1cb/0x760
[  280.180034]  ? smp_reschedule_interrupt+0x109/0x650
[  280.185057]  ? smp_call_function_single_interrupt+0x650/0x650
[  280.190949]  ? interrupt_entry+0xb5/0xc0
[  280.195014]  ? trace_hardirqs_off_caller+0xbb/0x310
[  280.200030]  ? trace_hardirqs_off_caller+0xbb/0x310
[  280.205048]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.209894]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.214911]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.219936]  ? task_prio+0x50/0x50
[  280.223482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.229024]  ? check_preemption_disabled+0x48/0x280
[  280.234051]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.238911]  apic_timer_interrupt+0xf/0x20
[  280.243146]  </IRQ>
[  280.245394] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  280.250586] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  280.269484] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  280.277197] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  280.284466] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  280.291736] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  280.299003] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  280.306271] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  280.313579]  retint_kernel+0x1b/0x2d
[  280.317294] RIP: 0010:dump_stack+0x358/0x39d
[  280.321702] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  280.340611] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  280.348326] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  280.355598] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  280.362872] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  280.370143] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  280.377422] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  280.384716]  ? dump_stack+0x34f/0x39d
[  280.388535]  ? dump_stack_print_info.cold.1+0x20/0x20
[  280.393741]  dump_header+0x27b/0xf72
[  280.397469]  ? mark_held_locks+0x130/0x130
[  280.401706]  ? pagefault_out_of_memory+0x197/0x197
[  280.406643]  ? __lock_acquire+0x62f/0x4c20
[  280.410874]  ? zap_class+0x640/0x640
[  280.414595]  ? percpu_ref_get_many+0x240/0x240
[  280.419188]  ? print_usage_bug+0xc0/0xc0
[  280.423272]  ? print_usage_bug+0xc0/0xc0
[  280.427342]  ? zap_class+0x640/0x640
[  280.431571]  ? print_usage_bug+0xc0/0xc0
[  280.435636]  ? print_usage_bug+0xc0/0xc0
[  280.439707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.445248]  ? find_held_lock+0x36/0x1c0
[  280.449322]  ? mark_held_locks+0xc7/0x130
[  280.453475]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  280.458580]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  280.463685]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  280.468273]  ? trace_hardirqs_on+0xbd/0x310
[  280.472600]  ? kasan_check_read+0x11/0x20
[  280.476749]  ? ___ratelimit+0x3b4/0x672
[  280.480732]  ? trace_hardirqs_off_caller+0x310/0x310
[  280.485844]  ? trace_hardirqs_on+0x310/0x310
[  280.490258]  ? lock_downgrade+0x900/0x900
[  280.494420]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  280.499523]  ? ___ratelimit+0x3b9/0x672
[  280.503501]  ? idr_get_free+0xec0/0xec0
[  280.507480]  ? find_held_lock+0x36/0x1c0
[  280.511559]  oom_kill_process.cold.27+0x10/0x903
[  280.516319]  ? zap_class+0x640/0x640
[  280.520037]  ? check_preemption_disabled+0x48/0x280
[  280.525062]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.529993]  ? kasan_check_read+0x11/0x20
[  280.534146]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.539434]  ? oom_evaluate_task+0x540/0x540
[  280.543850]  ? find_held_lock+0x36/0x1c0
[  280.547922]  ? out_of_memory+0x974/0x1430
[  280.552079]  ? lock_downgrade+0x900/0x900
[  280.556232]  ? check_preemption_disabled+0x48/0x280
[  280.561256]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.566191]  ? kasan_check_read+0x11/0x20
[  280.570352]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.575635]  ? rcu_softirq_qs+0x20/0x20
[  280.579617]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.585157]  ? oom_evaluate_task+0x302/0x540
[  280.589583]  out_of_memory+0xa84/0x1430
[  280.593566]  ? oom_killer_disable+0x3a0/0x3a0
[  280.598070]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  280.603003]  ? __mutex_add_waiter+0x2a0/0x2a0
[  280.607516]  __alloc_pages_slowpath+0x22d4/0x2d70
[  280.612391]  ? warn_alloc+0x120/0x120
[  280.616201]  ? rcu_softirq_qs+0x20/0x20
[  280.620217]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.625758]  ? should_fail+0x22d/0xd01
[  280.629650]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.634756]  ? zap_class+0x640/0x640
[  280.638499]  ? __lock_is_held+0xb5/0x140
[  280.642573]  ? mark_held_locks+0x130/0x130
[  280.646812]  ? lock_release+0xa00/0xa00
[  280.650788]  ? perf_trace_sched_process_exec+0x860/0x860
[  280.656276]  ? __might_sleep+0x95/0x190
[  280.660262]  __alloc_pages_nodemask+0xa80/0xde0
[  280.664946]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  280.669970]  ? __page_cache_alloc+0x191/0x5c0
[  280.674468]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.679401]  ? kasan_check_read+0x11/0x20
[  280.683557]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.688840]  ? zap_class+0x640/0x640
[  280.692561]  ? zap_class+0x640/0x640
[  280.696276]  ? zap_class+0x640/0x640
[  280.699993]  ? __do_page_cache_readahead+0x7ce/0x980
[  280.705105]  ? find_held_lock+0x36/0x1c0
[  280.709180]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  280.714729]  alloc_pages_current+0x173/0x350
[  280.719149]  __page_cache_alloc+0x38c/0x5c0
[  280.723483]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.728418]  ? kasan_check_read+0x11/0x20
[  280.732567]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.737850]  ? generic_perform_write+0x6a0/0x6a0
[  280.742626]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.748173]  ? check_preemption_disabled+0x48/0x280
[  280.753212]  filemap_fault+0x1594/0x25f0
[  280.757305]  ? __lock_page_or_retry+0xa00/0xa00
[  280.761983]  ? mark_held_locks+0x130/0x130
[  280.766224]  ? rcu_softirq_qs+0x20/0x20
[  280.770218]  ? filemap_map_pages+0xe04/0x1990
[  280.774728]  ? __free_object+0x173/0x340
[  280.778796]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  280.783731]  ? trace_hardirqs_off_caller+0x310/0x310
[  280.788840]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  280.793523]  ? debug_object_free+0x32d/0x690
[  280.797945]  ? kasan_check_read+0x11/0x20
[  280.802103]  ? debug_object_destroy+0x2b0/0x2b0
[  280.806783]  ? lock_pi_update_atomic+0x150/0x150
[  280.811543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.817084]  ? __hrtimer_init+0xdb/0x240
[  280.821161]  ? lock_acquire+0x1ed/0x520
[  280.825148]  ? ext4_filemap_fault+0x7a/0xad
[  280.829488]  ? lock_release+0xa00/0xa00
[  280.833461]  ? perf_trace_sched_process_exec+0x860/0x860
[  280.838916]  ? print_usage_bug+0xc0/0xc0
[  280.842989]  ? print_usage_bug+0xc0/0xc0
[  280.847064]  ? down_read+0x8d/0x120
[  280.850693]  ? ext4_filemap_fault+0x7a/0xad
[  280.855022]  ? __down_interruptible+0x700/0x700
[  280.859722]  ext4_filemap_fault+0x82/0xad
[  280.863872]  __do_fault+0x100/0x6b0
[  280.867498]  ? find_held_lock+0x36/0x1c0
[  280.871565]  ? pmd_devmap_trans_unstable+0x220/0x220
[  280.876672]  ? mark_held_locks+0x130/0x130
[  280.880911]  ? mark_held_locks+0x130/0x130
[  280.885174]  ? kasan_check_read+0x11/0x20
[  280.889328]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.894871]  __handle_mm_fault+0x307c/0x5920
[  280.899281]  ? perf_trace_lock+0x7a0/0x7a0
[  280.903528]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  280.908386]  ? __switch_to_asm+0x34/0x70
[  280.912449]  ? __switch_to_asm+0x34/0x70
[  280.916526]  ? zap_class+0x640/0x640
[  280.920239]  ? zap_class+0x640/0x640
[  280.923962]  ? __x64_sys_futex+0x53e/0x6a0
[  280.928210]  ? find_held_lock+0x36/0x1c0
[  280.932288]  ? handle_mm_fault+0x42a/0xc70
[  280.936528]  ? lock_downgrade+0x900/0x900
[  280.940682]  ? check_preemption_disabled+0x48/0x280
[  280.945705]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.950634]  ? kasan_check_read+0x11/0x20
[  280.954786]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.960068]  ? rcu_softirq_qs+0x20/0x20
[  280.964046]  ? trace_hardirqs_off_caller+0x310/0x310
[  280.969155]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.974707]  ? check_preemption_disabled+0x48/0x280
[  280.979739]  handle_mm_fault+0x54f/0xc70
[  280.983808]  ? __handle_mm_fault+0x5920/0x5920
[  280.988402]  ? find_vma+0x34/0x190
[  280.991957]  __do_page_fault+0x5e8/0xe60
[  280.996020]  ? trace_hardirqs_off+0xb8/0x310
[  281.000441]  do_page_fault+0xf2/0x7e0
[  281.004252]  ? vmalloc_sync_all+0x30/0x30
[  281.008412]  ? error_entry+0x70/0xd0
[  281.012133]  ? trace_hardirqs_off_caller+0xbb/0x310
[  281.017157]  ? trace_hardirqs_on_caller+0xc0/0x310
[  281.022098]  ? syscall_return_slowpath+0x5e0/0x5e0
[  281.027028]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.031875]  ? trace_hardirqs_on_caller+0x310/0x310
[  281.036894]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  281.042360]  ? prepare_exit_to_usermode+0x291/0x3b0
[  281.047378]  ? page_fault+0x8/0x30
[  281.050925]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.055781]  ? page_fault+0x8/0x30
[  281.059323]  page_fault+0x1e/0x30
[  281.062774] RIP: 0033:0x40f9c0
[  281.065978] Code: Bad RIP value.
[  281.069343] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  281.074705] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  281.081974] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  281.089242] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  281.096512] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  281.103778] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  281.111082] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  281.111146] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  281.118095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  281.118100] Call Trace:
[  281.118107]  <IRQ>
[  281.118127]  dump_stack+0x244/0x39d
[  281.118147]  ? dump_stack_print_info.cold.1+0x20/0x20
[  281.124688] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  281.133989]  warn_alloc.cold.117+0xb7/0x1bd
[  281.136538] syz-fuzzer cpuset=
[  281.138683]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  281.142283] /
[  281.147469]  ? lock_downgrade+0x900/0x900
[  281.157677]  mems_allowed=0
[  281.162001]  ? trace_hardirqs_off+0xb8/0x310
[  281.183157]  ? trace_hardirqs_off+0xb8/0x310
[  281.187586]  __alloc_pages_slowpath+0x2660/0x2d70
[  281.192480]  ? warn_alloc+0x120/0x120
[  281.196291]  ? warn_alloc+0x120/0x120
[  281.200098]  ? print_usage_bug+0xc0/0xc0
[  281.204164]  ? warn_alloc+0x120/0x120
[  281.207977]  ? print_usage_bug+0xc0/0xc0
[  281.212040]  ? __lock_acquire+0x62f/0x4c20
[  281.216276]  ? __lock_acquire+0x62f/0x4c20
[  281.220518]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.226054]  ? should_fail+0x22d/0xd01
[  281.229946]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.235050]  ? __lock_acquire+0x62f/0x4c20
[  281.239312]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.244416]  ? __lock_acquire+0x62f/0x4c20
[  281.248650]  ? should_fail+0x22d/0xd01
[  281.252536]  ? find_held_lock+0x36/0x1c0
[  281.256610]  ? mark_held_locks+0x130/0x130
[  281.260850]  ? mark_held_locks+0x130/0x130
[  281.265088]  ? zap_class+0x640/0x640
[  281.268803]  ? zap_class+0x640/0x640
[  281.272520]  ? print_usage_bug+0xc0/0xc0
[  281.276579]  ? do_raw_spin_unlock+0xa7/0x330
[  281.280987]  ? zap_class+0x640/0x640
[  281.284700]  ? print_usage_bug+0xc0/0xc0
[  281.288763]  ? wq_watchdog_touch+0x9c/0xfe
[  281.293008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.298763]  ? check_preemption_disabled+0x48/0x280
[  281.303796]  ? __lock_is_held+0xb5/0x140
[  281.307869]  __alloc_pages_nodemask+0xa80/0xde0
[  281.312546]  ? zap_class+0x640/0x640
[  281.316268]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  281.321297]  ? find_held_lock+0x36/0x1c0
[  281.325399]  ? ____cache_alloc_node+0x1c7/0x1e0
[  281.330076]  ? lock_downgrade+0x900/0x900
[  281.334233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.339775]  cache_grow_begin+0xa5/0x8c0
[  281.343839]  ? do_raw_spin_unlock+0xa7/0x330
[  281.348259]  fallback_alloc+0x204/0x2e0
[  281.352246]  ____cache_alloc_node+0x1c7/0x1e0
[  281.356749]  kmem_cache_alloc_node+0xe3/0x730
[  281.361247]  ? ipv6_get_ifaddr+0x42e/0x620
[  281.365491]  __alloc_skb+0x119/0x770
[  281.369209]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.374494]  ? netdev_alloc_frag+0x1f0/0x1f0
[  281.378905]  ? lock_downgrade+0x900/0x900
[  281.383068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.388611]  ? refcount_sub_and_test_checked+0x203/0x310
[  281.394068]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  281.399521]  ? addrconf_rs_timer+0x690/0x690
[  281.403945]  ndisc_alloc_skb+0x144/0x340
[  281.408014]  ndisc_send_rs+0x331/0x6e0
[  281.411907]  addrconf_rs_timer+0x314/0x690
[  281.416152]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.420410]  call_timer_fn+0x272/0x920
[  281.424304]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.428541]  ? process_timeout+0x40/0x40
[  281.432616]  ? __run_timers+0x7da/0xc70
[  281.436594]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.441089]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.445587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.449823]  ? lockdep_hardirqs_on+0x296/0x5b0
[  281.454409]  ? trace_hardirqs_on+0xbd/0x310
[  281.458737]  ? kasan_check_read+0x11/0x20
[  281.462893]  ? __run_timers+0x7da/0xc70
[  281.466869]  ? trace_hardirqs_off_caller+0x310/0x310
[  281.471977]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.476216]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.480454]  __run_timers+0x7e5/0xc70
[  281.484268]  ? timer_fixup_init+0x70/0x70
[  281.488421]  ? kasan_check_read+0x11/0x20
[  281.492577]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.497855]  ? rcu_softirq_qs+0x20/0x20
[  281.501834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.507376]  ? check_preemption_disabled+0x48/0x280
[  281.512400]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  281.517187]  ? retint_kernel+0x2d/0x2d
[  281.521081]  ? trace_hardirqs_on_caller+0xc0/0x310
[  281.526031]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  281.530795]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  281.536249]  ? zap_class+0x640/0x640
[  281.539969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.545506]  ? check_preemption_disabled+0x48/0x280
[  281.550536]  ? __lock_is_held+0xb5/0x140
[  281.554604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.560143]  ? check_preemption_disabled+0x48/0x280
[  281.565182]  run_timer_softirq+0x52/0xb0
[  281.569247]  ? rcu_read_lock_sched_held+0x14f/0x180
[  281.574262]  __do_softirq+0x308/0xb7e
[  281.578071]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  281.582565]  ? lock_downgrade+0x900/0x900
[  281.586719]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  281.591834]  ? pvclock_read_flags+0x160/0x160
[  281.596334]  ? lapic_next_event+0x5a/0x90
[  281.600499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.606042]  ? kvm_clock_read+0x18/0x30
[  281.610016]  ? kvm_sched_clock_read+0x9/0x20
[  281.614436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.619976]  ? check_preemption_disabled+0x48/0x280
[  281.625005]  irq_exit+0x17f/0x1c0
[  281.628461]  smp_apic_timer_interrupt+0x1cb/0x760
[  281.633306]  ? smp_call_function_single_interrupt+0x159/0x650
[  281.639200]  ? smp_call_function_single_interrupt+0x650/0x650
[  281.645092]  ? interrupt_entry+0xb5/0xc0
[  281.649155]  ? trace_hardirqs_off_caller+0xbb/0x310
[  281.654186]  ? trace_hardirqs_off_caller+0xbb/0x310
[  281.659205]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.664052]  ? trace_hardirqs_on_caller+0x310/0x310
[  281.669069]  ? trace_hardirqs_on_caller+0x310/0x310
[  281.674089]  ? task_prio+0x50/0x50
[  281.677630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.683176]  ? check_preemption_disabled+0x48/0x280
[  281.688206]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.693061]  apic_timer_interrupt+0xf/0x20
[  281.697290]  </IRQ>
[  281.699532] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  281.704472] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  281.723377] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  281.731102] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  281.738460] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  281.745725] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  281.752991] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  281.760258] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  281.767571]  skb_clone+0x1bb/0x500
[  281.771119]  ? skb_split+0x11e0/0x11e0
[  281.775011]  ? check_preemption_disabled+0x48/0x280
[  281.780031]  ? __this_cpu_preempt_check+0x1c/0x20
[  281.784878]  ? __bpf_redirect+0x54b/0xb20
[  281.789038]  bpf_clone_redirect+0xb9/0x490
[  281.793284]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  281.798305]  ? __sched_text_start+0x8/0x8
[  281.802462]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  281.807224]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  281.811808]  ? retint_kernel+0x2d/0x2d
[  281.815700]  ? find_held_lock+0x36/0x1c0
[  281.819770]  ? lock_acquire+0x1ed/0x520
[  281.823744]  ? bpf_test_run+0x3cb/0x780
[  281.827723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.833261]  ? check_preemption_disabled+0x48/0x280
[  281.838286]  ? kasan_check_read+0x11/0x20
[  281.842443]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.847722]  ? rcu_softirq_qs+0x20/0x20
[  281.851701]  ? preempt_schedule+0x4d/0x60
[  281.855853]  ? ___preempt_schedule+0x16/0x18
[  281.860271]  ? bpf_test_run+0x25d/0x780
[  281.864260]  ? netlink_diag_dump+0x2a0/0x2a0
[  281.868671]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.874206]  ? bpf_test_init.isra.10+0x70/0x100
[  281.878883]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  281.883648]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  281.888490]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  281.894027]  ? fput+0x130/0x1a0
[  281.897314]  ? __bpf_prog_get+0x9b/0x290
[  281.901383]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  281.906223]  ? bpf_prog_test_run+0x130/0x1a0
[  281.910637]  ? __x64_sys_bpf+0x3d8/0x520
[  281.914696]  ? bpf_prog_get+0x20/0x20
[  281.918517]  ? do_syscall_64+0x1b9/0x820
[  281.922584]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  281.927948]  ? syscall_return_slowpath+0x5e0/0x5e0
[  281.932880]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.937728]  ? trace_hardirqs_on_caller+0x310/0x310
[  281.942750]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  281.947771]  ? prepare_exit_to_usermode+0x291/0x3b0
[  281.952794]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.957649]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  281.963031] warn_alloc_show_mem: 1 callbacks suppressed
[  281.963043] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  281.963045] Mem-Info:
[  281.963077] active_anon:56297 inactive_anon:436 isolated_anon:0
[  281.963077]  active_file:15 inactive_file:14 isolated_file:0
[  281.963077]  unevictable:0 dirty:0 writeback:0 unstable:0
[  281.963077]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  281.963077]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  281.963077]  free:13786 free_pcp:429 free_cma:0
[  281.968422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  281.975095] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  281.977493] Call Trace:
[  282.010457] Node 0 
[  282.019803]  <IRQ>
[  282.047577] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  282.050142]  dump_stack+0x244/0x39d
[  282.052345] lowmem_reserve[]: 0
[  282.054505]  ? dump_stack_print_info.cold.1+0x20/0x20
[  282.079981]  2818 6321
[  282.083630]  warn_alloc.cold.117+0xb7/0x1bd
[  282.086869]  6321
[  282.092061]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  282.098849]  ? lock_downgrade+0x900/0x900
[  282.100886] Node 0 
[  282.105725]  ? trace_hardirqs_off+0xb8/0x310
[  282.109873] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  282.112085]  ? trace_hardirqs_off+0xb8/0x310
[  282.116467] lowmem_reserve[]:
[  282.143200]  __alloc_pages_slowpath+0x2660/0x2d70
[  282.147581]  0
[  282.150708]  ? warn_alloc+0x120/0x120
[  282.155494]  0 3503
[  282.157306]  ? warn_alloc+0x120/0x120
[  282.161078]  3503
[  282.163311]  ? print_usage_bug+0xc0/0xc0
[  282.169140]  ? warn_alloc+0x120/0x120
[  282.173183] Node 0 
[  282.176979]  ? print_usage_bug+0xc0/0xc0
[  282.177011] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  282.177018] lowmem_reserve[]:
[  282.179250]  ? __lock_acquire+0x62f/0x4c20
[  282.183286]  0
[  282.211737]  ? __lock_acquire+0x62f/0x4c20
[  282.214820]  0
[  282.219093]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.220861]  0 0
[  282.225096]  ? should_fail+0x22d/0xd01
[  282.232405]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.234355] Node 0 
[  282.238235]  ? __lock_acquire+0x62f/0x4c20
[  282.243310] DMA: 
[  282.245542]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.249750] 1*4kB 
[  282.251809]  ? __lock_acquire+0x62f/0x4c20
[  282.256883] (U) 
[  282.259028]  ? should_fail+0x22d/0xd01
[  282.263238] 0*8kB 
[  282.265214]  ? find_held_lock+0x36/0x1c0
[  282.269075] 0*16kB 
[  282.271222]  ? mark_held_locks+0x130/0x130
[  282.275256] 1*32kB 
[  282.277487]  ? mark_held_locks+0x130/0x130
[  282.281697] (U) 
[  282.283934]  ? zap_class+0x640/0x640
[  282.288141] 2*64kB 
[  282.290109]  ? zap_class+0x640/0x640
[  282.293789] (U) 1*128kB 
[  282.296030]  ? print_usage_bug+0xc0/0xc0
[  282.299717] (U) 
[  282.302382]  ? do_raw_spin_unlock+0xa7/0x330
[  282.306418] 1*256kB 
[  282.308385]  ? zap_class+0x640/0x640
[  282.312770] (U) 
[  282.315092]  ? print_usage_bug+0xc0/0xc0
[  282.318778] 0*512kB 
[  282.320759]  ? wq_watchdog_touch+0x9c/0xfe
[  282.324795] 1*1024kB 
[  282.327113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.331320] (U) 1*2048kB 
[  282.333735]  ? check_preemption_disabled+0x48/0x280
[  282.339244] (M) 
[  282.342006]  ? __lock_is_held+0xb5/0x140
[  282.346989] 3*4096kB (M) 
[  282.348977]  __alloc_pages_nodemask+0xa80/0xde0
[  282.353009] = 15908kB
[  282.355764]  ? zap_class+0x640/0x640
[  282.360407] Node 0 
[  282.362816]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  282.366506] DMA32: 
[  282.368747]  ? find_held_lock+0x36/0x1c0
[  282.373732] 5*4kB 
[  282.375973]  ? ____cache_alloc_node+0x1c7/0x1e0
[  282.380006] (UM) 
[  282.382156]  ? lock_downgrade+0x900/0x900
[  282.386809] 1*8kB 
[  282.388874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.393010] (U) 
[  282.395158]  cache_grow_begin+0xa5/0x8c0
[  282.400677] 2*16kB 
[  282.402646]  ? do_raw_spin_unlock+0xa7/0x330
[  282.406682] (M) 
[  282.408917]  fallback_alloc+0x204/0x2e0
[  282.413295] 1*32kB 
[  282.415268]  ____cache_alloc_node+0x1c7/0x1e0
[  282.419214] (M) 
[  282.421451]  kmem_cache_alloc_node+0xe3/0x730
[  282.425920] 3*64kB 
[  282.427900]  ? ipv6_get_ifaddr+0x42e/0x620
[  282.432666] (M) 5*128kB 
[  282.434920]  __alloc_skb+0x119/0x770
[  282.439122] (UM) 
[  282.441791]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.445476] 3*256kB 
[  282.447538]  ? netdev_alloc_frag+0x1f0/0x1f0
[  282.452786] (M) 
[  282.455102]  ? lock_downgrade+0x900/0x900
[  282.459482] 4*512kB (UM) 
[  282.461468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.465585] 3*1024kB (UM) 
[  282.468353]  ? refcount_sub_and_test_checked+0x203/0x310
[  282.473859] 3*2048kB (UM) 
[  282.476708]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  282.482129] 3*4096kB 
[  282.484966]  ? addrconf_rs_timer+0x690/0x690
[  282.490386] (M) 
[  282.492799]  ndisc_alloc_skb+0x144/0x340
[  282.497184] = 25244kB
[  282.499158]  ndisc_send_rs+0x331/0x6e0
[  282.503203] Node 0 
[  282.505622]  addrconf_rs_timer+0x314/0x690
[  282.509482] Normal: 
[  282.511718]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.515926] 719*4kB 
[  282.518262]  call_timer_fn+0x272/0x920
[  282.522459] (UMEH) 
[  282.524775]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.528632] 258*8kB (UME) 
[  282.530877]  ? process_timeout+0x40/0x40
[  282.535077] 197*16kB (UME) 
[  282.537938]  ? mark_held_locks+0xc7/0x130
[  282.541956] 98*32kB (UME) 
[  282.544896]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.549020] 44*64kB 
[  282.551856]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.556329] (UM) 
[  282.558647]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.563110] 0*128kB 0*256kB 
[  282.565186]  ? lockdep_hardirqs_on+0x296/0x5b0
[  282.569397] 0*512kB 
[  282.572409]  ? trace_hardirqs_on+0xbd/0x310
[  282.576960] 0*1024kB 0*2048kB 
[  282.579293]  ? kasan_check_read+0x11/0x20
[  282.583590] 0*4096kB 
[  282.586781]  ? __run_timers+0x7da/0xc70
[  282.590900] = 14044kB
[  282.593305]  ? trace_hardirqs_off_caller+0x310/0x310
[  282.597258] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  282.599655]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.604739] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  282.613561]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.617774] 4793 total pagecache pages
[  282.626343]  __run_timers+0x7e5/0xc70
[  282.630555] 0 pages in swap cache
[  282.634439]  ? timer_fixup_init+0x70/0x70
[  282.638217] Swap cache stats: add 0, delete 0, find 0/0
[  282.641660]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  282.645782] Free swap  = 0kB
[  282.651140]  ? zap_class+0x640/0x640
[  282.656130] Total swap = 0kB
[  282.659140]  ? print_usage_bug+0xc0/0xc0
[  282.662832] 1965979 pages RAM
[  282.665847]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  282.669883] 0 pages HighMem/MovableOnly
[  282.669891] 342867 pages reserved
[  282.672996]  ? find_held_lock+0x36/0x1c0
[  282.678157] 0 pages cma reserved
[  282.682132]  ? zap_class+0x640/0x640
[  282.685622] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  282.689613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.689629]  ? check_preemption_disabled+0x48/0x280
[  282.689652]  ? __lock_is_held+0xb5/0x140
[  282.693082] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  282.696700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.703177] syz-executor4 cpuset=
[  282.708707]  ? check_preemption_disabled+0x48/0x280
[  282.713694] syz4
[  282.717752]  run_timer_softirq+0x52/0xb0
[  282.728225]  mems_allowed=0
[  282.733758]  ? rcu_read_lock_sched_held+0x14f/0x180
[  282.756132]  __do_softirq+0x308/0xb7e
[  282.759947]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  282.764442]  ? lock_downgrade+0x900/0x900
[  282.768597]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  282.773711]  ? pvclock_read_flags+0x160/0x160
[  282.778211]  ? lapic_next_event+0x5a/0x90
[  282.782363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.787906]  ? kvm_clock_read+0x18/0x30
[  282.791885]  ? kvm_sched_clock_read+0x9/0x20
[  282.796302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.801853]  ? check_preemption_disabled+0x48/0x280
[  282.806889]  irq_exit+0x17f/0x1c0
[  282.810353]  smp_apic_timer_interrupt+0x1cb/0x760
[  282.815203]  ? smp_reschedule_interrupt+0x109/0x650
[  282.820224]  ? smp_call_function_single_interrupt+0x650/0x650
[  282.826115]  ? interrupt_entry+0xb5/0xc0
[  282.830189]  ? trace_hardirqs_off_caller+0xbb/0x310
[  282.835209]  ? trace_hardirqs_off_caller+0xbb/0x310
[  282.840230]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.845090]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.850107]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.855129]  ? task_prio+0x50/0x50
[  282.858674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.864213]  ? check_preemption_disabled+0x48/0x280
[  282.869235]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.874093]  apic_timer_interrupt+0xf/0x20
[  282.878324]  </IRQ>
[  282.880564] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  282.885754] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  282.904653] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  282.912363] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  282.919629] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  282.926894] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  282.934164] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  282.941441] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  282.948749]  retint_kernel+0x1b/0x2d
[  282.952464] RIP: 0010:dump_stack+0x358/0x39d
[  282.956872] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  282.975770] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  282.983479] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  282.990748] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  282.998046] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  283.005313] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  283.012580] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  283.019874]  ? dump_stack+0x34f/0x39d
[  283.023688]  ? dump_stack_print_info.cold.1+0x20/0x20
[  283.028895]  dump_header+0x27b/0xf72
[  283.032623]  ? mark_held_locks+0x130/0x130
[  283.036862]  ? pagefault_out_of_memory+0x197/0x197
[  283.041798]  ? __lock_acquire+0x62f/0x4c20
[  283.046032]  ? zap_class+0x640/0x640
[  283.049756]  ? percpu_ref_get_many+0x240/0x240
[  283.054346]  ? print_usage_bug+0xc0/0xc0
[  283.058407]  ? print_usage_bug+0xc0/0xc0
[  283.062476]  ? zap_class+0x640/0x640
[  283.066200]  ? print_usage_bug+0xc0/0xc0
[  283.070283]  ? print_usage_bug+0xc0/0xc0
[  283.074356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.079901]  ? find_held_lock+0x36/0x1c0
[  283.083977]  ? mark_held_locks+0xc7/0x130
[  283.088135]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  283.093245]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  283.098354]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  283.102944]  ? trace_hardirqs_on+0xbd/0x310
[  283.107270]  ? kasan_check_read+0x11/0x20
[  283.111422]  ? ___ratelimit+0x3b4/0x672
[  283.115401]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.120512]  ? trace_hardirqs_on+0x310/0x310
[  283.124923]  ? lock_downgrade+0x900/0x900
[  283.129092]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  283.134209]  ? ___ratelimit+0x3b9/0x672
[  283.138199]  ? idr_get_free+0xec0/0xec0
[  283.142181]  ? find_held_lock+0x36/0x1c0
[  283.146260]  oom_kill_process.cold.27+0x10/0x903
[  283.151022]  ? zap_class+0x640/0x640
[  283.154740]  ? check_preemption_disabled+0x48/0x280
[  283.159770]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  283.164703]  ? kasan_check_read+0x11/0x20
[  283.168853]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.174138]  ? oom_evaluate_task+0x540/0x540
[  283.178560]  ? find_held_lock+0x36/0x1c0
[  283.182629]  ? out_of_memory+0x974/0x1430
[  283.186781]  ? lock_downgrade+0x900/0x900
[  283.190938]  ? check_preemption_disabled+0x48/0x280
[  283.195964]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  283.200896]  ? kasan_check_read+0x11/0x20
[  283.205054]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.210336]  ? rcu_softirq_qs+0x20/0x20
[  283.214315]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.219857]  ? oom_evaluate_task+0x302/0x540
[  283.224269]  out_of_memory+0xa84/0x1430
[  283.228260]  ? oom_killer_disable+0x3a0/0x3a0
[  283.232757]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  283.237698]  ? __mutex_add_waiter+0x2a0/0x2a0
[  283.242217]  __alloc_pages_slowpath+0x22d4/0x2d70
[  283.247093]  ? warn_alloc+0x120/0x120
[  283.250897]  ? rcu_softirq_qs+0x20/0x20
[  283.254912]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.260453]  ? should_fail+0x22d/0xd01
[  283.264345]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.269453]  ? zap_class+0x640/0x640
[  283.273203]  ? __lock_is_held+0xb5/0x140
[  283.277274]  ? mark_held_locks+0x130/0x130
[  283.281515]  ? lock_release+0xa00/0xa00
[  283.285489]  ? perf_trace_sched_process_exec+0x860/0x860
[  283.290959]  ? __might_sleep+0x95/0x190
[  283.294947]  __alloc_pages_nodemask+0xa80/0xde0
[  283.299913]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  283.304941]  ? __page_cache_alloc+0x191/0x5c0
[  283.309441]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  283.314374]  ? kasan_check_read+0x11/0x20
[  283.318530]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.323817]  ? zap_class+0x640/0x640
[  283.327539]  ? zap_class+0x640/0x640
[  283.331256]  ? zap_class+0x640/0x640
[  283.334974]  ? __do_page_cache_readahead+0x7ce/0x980
[  283.340081]  ? find_held_lock+0x36/0x1c0
[  283.344150]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  283.349725]  alloc_pages_current+0x173/0x350
[  283.354148]  __page_cache_alloc+0x38c/0x5c0
[  283.358481]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  283.363411]  ? kasan_check_read+0x11/0x20
[  283.367564]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.372848]  ? generic_perform_write+0x6a0/0x6a0
[  283.377606]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.383150]  ? check_preemption_disabled+0x48/0x280
[  283.388197]  filemap_fault+0x1594/0x25f0
[  283.392278]  ? __lock_page_or_retry+0xa00/0xa00
[  283.396957]  ? mark_held_locks+0x130/0x130
[  283.401204]  ? rcu_softirq_qs+0x20/0x20
[  283.405203]  ? filemap_map_pages+0xe04/0x1990
[  283.409714]  ? __free_object+0x173/0x340
[  283.413783]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  283.418720]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.423826]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  283.428512]  ? debug_object_free+0x32d/0x690
[  283.433372]  ? kasan_check_read+0x11/0x20
[  283.437525]  ? debug_object_destroy+0x2b0/0x2b0
[  283.442207]  ? lock_pi_update_atomic+0x150/0x150
[  283.446967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.452507]  ? __hrtimer_init+0xdb/0x240
[  283.456584]  ? lock_acquire+0x1ed/0x520
[  283.460560]  ? ext4_filemap_fault+0x7a/0xad
[  283.464892]  ? lock_release+0xa00/0xa00
[  283.468864]  ? perf_trace_sched_process_exec+0x860/0x860
[  283.474322]  ? print_usage_bug+0xc0/0xc0
[  283.478386]  ? print_usage_bug+0xc0/0xc0
[  283.482458]  ? down_read+0x8d/0x120
[  283.486087]  ? ext4_filemap_fault+0x7a/0xad
[  283.490413]  ? __down_interruptible+0x700/0x700
[  283.495092]  ext4_filemap_fault+0x82/0xad
[  283.499245]  __do_fault+0x100/0x6b0
[  283.502874]  ? find_held_lock+0x36/0x1c0
[  283.506945]  ? pmd_devmap_trans_unstable+0x220/0x220
[  283.512055]  ? mark_held_locks+0x130/0x130
[  283.516297]  ? mark_held_locks+0x130/0x130
[  283.520544]  ? kasan_check_read+0x11/0x20
[  283.524696]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.530238]  __handle_mm_fault+0x307c/0x5920
[  283.534650]  ? perf_trace_lock+0x7a0/0x7a0
[  283.538897]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  283.543771]  ? __switch_to_asm+0x34/0x70
[  283.547834]  ? __switch_to_asm+0x34/0x70
[  283.551912]  ? zap_class+0x640/0x640
[  283.555629]  ? zap_class+0x640/0x640
[  283.559343]  ? __x64_sys_futex+0x53e/0x6a0
[  283.563602]  ? find_held_lock+0x36/0x1c0
[  283.567678]  ? handle_mm_fault+0x42a/0xc70
[  283.571915]  ? lock_downgrade+0x900/0x900
[  283.576121]  ? check_preemption_disabled+0x48/0x280
[  283.581151]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  283.586095]  ? kasan_check_read+0x11/0x20
[  283.590251]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.595534]  ? rcu_softirq_qs+0x20/0x20
[  283.599516]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.604623]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.610159]  ? check_preemption_disabled+0x48/0x280
[  283.615206]  handle_mm_fault+0x54f/0xc70
[  283.619277]  ? __handle_mm_fault+0x5920/0x5920
[  283.623869]  ? find_vma+0x34/0x190
[  283.627422]  __do_page_fault+0x5e8/0xe60
[  283.631485]  ? trace_hardirqs_off+0xb8/0x310
[  283.635904]  do_page_fault+0xf2/0x7e0
[  283.639713]  ? vmalloc_sync_all+0x30/0x30
[  283.643865]  ? error_entry+0x70/0xd0
[  283.647583]  ? trace_hardirqs_off_caller+0xbb/0x310
[  283.652597]  ? trace_hardirqs_on_caller+0xc0/0x310
[  283.657529]  ? syscall_return_slowpath+0x5e0/0x5e0
[  283.662458]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.667307]  ? trace_hardirqs_on_caller+0x310/0x310
[  283.672328]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  283.677783]  ? prepare_exit_to_usermode+0x291/0x3b0
[  283.682805]  ? page_fault+0x8/0x30
[  283.686347]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.691208]  ? page_fault+0x8/0x30
[  283.694752]  page_fault+0x1e/0x30
[  283.698209] RIP: 0033:0x40f9c0
[  283.701418] Code: Bad RIP value.
[  283.704777] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  283.710140] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  283.717414] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  283.724680] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  283.731951] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  283.739217] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  283.746517] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  283.746579] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  283.753530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  283.753539] Call Trace:
[  283.760116] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  283.769360]  <IRQ>
[  283.771935] syz-fuzzer cpuset=
[  283.782156]  dump_stack+0x244/0x39d
[  283.784287] /
[  283.787476]  ? dump_stack_print_info.cold.1+0x20/0x20
[  283.791082]  mems_allowed=0
[  283.792796]  warn_alloc.cold.117+0xb7/0x1bd
[  283.805203]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  283.810050]  ? lock_downgrade+0x900/0x900
[  283.814212]  ? trace_hardirqs_off+0xb8/0x310
[  283.818630]  ? trace_hardirqs_off+0xb8/0x310
[  283.823047]  __alloc_pages_slowpath+0x2660/0x2d70
[  283.827926]  ? warn_alloc+0x120/0x120
[  283.831737]  ? warn_alloc+0x120/0x120
[  283.835541]  ? print_usage_bug+0xc0/0xc0
[  283.839604]  ? warn_alloc+0x120/0x120
[  283.843406]  ? print_usage_bug+0xc0/0xc0
[  283.847472]  ? idle_cpu+0x1d0/0x1d0
[  283.851100]  ? kvm_sched_clock_read+0x9/0x20
[  283.855510]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  283.860536]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.866072]  ? should_fail+0x22d/0xd01
[  283.869959]  ? __lock_is_held+0xb5/0x140
[  283.874021]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.879124]  ? __lock_acquire+0x62f/0x4c20
[  283.883365]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.888501]  ? __lock_acquire+0x62f/0x4c20
[  283.892734]  ? should_fail+0x22d/0xd01
[  283.896630]  ? mark_held_locks+0x130/0x130
[  283.900877]  ? mark_held_locks+0x130/0x130
[  283.905110]  ? account_entity_enqueue+0x3a3/0x660
[  283.909962]  ? zap_class+0x640/0x640
[  283.913677]  ? print_usage_bug+0xc0/0xc0
[  283.917740]  ? rcu_softirq_qs+0x20/0x20
[  283.921724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.927264]  ? check_preemption_disabled+0x48/0x280
[  283.932292]  ? __lock_is_held+0xb5/0x140
[  283.936368]  __alloc_pages_nodemask+0xa80/0xde0
[  283.941040]  ? zap_class+0x640/0x640
[  283.944765]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  283.949794]  ? find_held_lock+0x36/0x1c0
[  283.953867]  ? ____cache_alloc_node+0x1c7/0x1e0
[  283.958541]  ? lock_downgrade+0x900/0x900
[  283.962697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.968243]  cache_grow_begin+0xa5/0x8c0
[  283.972309]  ? do_raw_spin_unlock+0xa7/0x330
[  283.976730]  fallback_alloc+0x204/0x2e0
[  283.980711]  ____cache_alloc_node+0x1c7/0x1e0
[  283.985216]  kmem_cache_alloc_node+0xe3/0x730
[  283.989737]  ? ipv6_get_ifaddr+0x42e/0x620
[  283.993984]  __alloc_skb+0x119/0x770
[  283.997701]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.002982]  ? netdev_alloc_frag+0x1f0/0x1f0
[  284.007393]  ? lock_downgrade+0x900/0x900
[  284.011549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.017090]  ? refcount_sub_and_test_checked+0x203/0x310
[  284.022550]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  284.028006]  ? addrconf_rs_timer+0x690/0x690
[  284.032437]  ndisc_alloc_skb+0x144/0x340
[  284.036507]  ndisc_send_rs+0x331/0x6e0
[  284.040401]  addrconf_rs_timer+0x314/0x690
[  284.044646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.048896]  call_timer_fn+0x272/0x920
[  284.052784]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.057021]  ? process_timeout+0x40/0x40
[  284.061094]  ? __run_timers+0x7da/0xc70
[  284.065074]  ? _raw_spin_unlock_irq+0x27/0x80
[  284.069573]  ? _raw_spin_unlock_irq+0x27/0x80
[  284.074075]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.078312]  ? lockdep_hardirqs_on+0x296/0x5b0
[  284.082901]  ? trace_hardirqs_on+0xbd/0x310
[  284.087229]  ? kasan_check_read+0x11/0x20
[  284.091380]  ? __run_timers+0x7da/0xc70
[  284.095358]  ? trace_hardirqs_off_caller+0x310/0x310
[  284.100480]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.104716]  __run_timers+0x7e5/0xc70
[  284.108529]  ? timer_fixup_init+0x70/0x70
[  284.112685]  ? kasan_check_read+0x11/0x20
[  284.116837]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.122120]  ? rcu_softirq_qs+0x20/0x20
[  284.126097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.131637]  ? check_preemption_disabled+0x48/0x280
[  284.136665]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  284.141437]  ? retint_kernel+0x2d/0x2d
[  284.145330]  ? trace_hardirqs_on_caller+0xc0/0x310
[  284.150263]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  284.155026]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  284.160483]  ? zap_class+0x640/0x640
[  284.164211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.169749]  ? check_preemption_disabled+0x48/0x280
[  284.174777]  ? __lock_is_held+0xb5/0x140
[  284.178845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.184383]  ? check_preemption_disabled+0x48/0x280
[  284.189405]  run_timer_softirq+0x52/0xb0
[  284.193475]  ? rcu_read_lock_sched_held+0x14f/0x180
[  284.198500]  __do_softirq+0x308/0xb7e
[  284.202310]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  284.206804]  ? lock_downgrade+0x900/0x900
[  284.210959]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  284.216077]  ? pvclock_read_flags+0x160/0x160
[  284.220578]  ? lapic_next_event+0x5a/0x90
[  284.224730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.230280]  ? kvm_clock_read+0x18/0x30
[  284.234257]  ? kvm_sched_clock_read+0x9/0x20
[  284.238667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.244209]  ? check_preemption_disabled+0x48/0x280
[  284.249235]  irq_exit+0x17f/0x1c0
[  284.252689]  smp_apic_timer_interrupt+0x1cb/0x760
[  284.257529]  ? smp_call_function_single_interrupt+0x159/0x650
[  284.263418]  ? smp_call_function_single_interrupt+0x650/0x650
[  284.269313]  ? interrupt_entry+0xb5/0xc0
[  284.273378]  ? trace_hardirqs_off_caller+0xbb/0x310
[  284.278399]  ? trace_hardirqs_off_caller+0xbb/0x310
[  284.283424]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.288278]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.293296]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.298312]  ? task_prio+0x50/0x50
[  284.301855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.307397]  ? check_preemption_disabled+0x48/0x280
[  284.312426]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.317290]  apic_timer_interrupt+0xf/0x20
[  284.321521]  </IRQ>
[  284.323769] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  284.328704] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  284.347605] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  284.355331] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  284.362602] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  284.369868] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  284.377139] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  284.384418] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  284.391742]  skb_clone+0x1bb/0x500
[  284.395288]  ? skb_split+0x11e0/0x11e0
[  284.399182]  ? check_preemption_disabled+0x48/0x280
[  284.404209]  ? __this_cpu_preempt_check+0x1c/0x20
[  284.409057]  ? __bpf_redirect+0x54b/0xb20
[  284.413223]  bpf_clone_redirect+0xb9/0x490
[  284.417472]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  284.422493]  ? __sched_text_start+0x8/0x8
[  284.426645]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  284.431596]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  284.436210]  ? retint_kernel+0x2d/0x2d
[  284.440108]  ? find_held_lock+0x36/0x1c0
[  284.444185]  ? lock_acquire+0x1ed/0x520
[  284.448163]  ? bpf_test_run+0x3cb/0x780
[  284.452150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.457696]  ? check_preemption_disabled+0x48/0x280
[  284.462723]  ? kasan_check_read+0x11/0x20
[  284.466876]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.472160]  ? rcu_softirq_qs+0x20/0x20
[  284.476152]  ? preempt_schedule+0x4d/0x60
[  284.480312]  ? ___preempt_schedule+0x16/0x18
[  284.484739]  ? bpf_test_run+0x25d/0x780
[  284.488732]  ? netlink_diag_dump+0x2a0/0x2a0
[  284.493151]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.498721]  ? bpf_test_init.isra.10+0x70/0x100
[  284.503400]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  284.508185]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  284.513030]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  284.518573]  ? fput+0x130/0x1a0
[  284.521858]  ? __bpf_prog_get+0x9b/0x290
[  284.525927]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  284.530769]  ? bpf_prog_test_run+0x130/0x1a0
[  284.535190]  ? __x64_sys_bpf+0x3d8/0x520
[  284.539255]  ? bpf_prog_get+0x20/0x20
[  284.543083]  ? do_syscall_64+0x1b9/0x820
[  284.547150]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  284.552527]  ? syscall_return_slowpath+0x5e0/0x5e0
[  284.557464]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.562315]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.567338]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  284.572359]  ? prepare_exit_to_usermode+0x291/0x3b0
[  284.577384]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.582239]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  284.587619] warn_alloc_show_mem: 1 callbacks suppressed
[  284.587631] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  284.587633] Mem-Info:
[  284.587665] active_anon:56297 inactive_anon:436 isolated_anon:0
[  284.587665]  active_file:15 inactive_file:14 isolated_file:0
[  284.587665]  unevictable:0 dirty:0 writeback:0 unstable:0
[  284.587665]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  284.587665]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  284.587665]  free:13786 free_pcp:429 free_cma:0
[  284.593004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  284.599684] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  284.602084] Call Trace:
[  284.635051] Node 0 
[  284.644403]  <IRQ>
[  284.672188] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  284.674749]  dump_stack+0x244/0x39d
[  284.676954] lowmem_reserve[]: 0
[  284.679111]  ? dump_stack_print_info.cold.1+0x20/0x20
[  284.704595]  2818 6321
[  284.708247]  warn_alloc.cold.117+0xb7/0x1bd
[  284.711484]  6321
[  284.716673]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  284.723472]  ? lock_downgrade+0x900/0x900
[  284.725512] Node 0 
[  284.730351]  ? trace_hardirqs_off+0xb8/0x310
[  284.734494] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  284.736705]  ? trace_hardirqs_off+0xb8/0x310
[  284.741073] lowmem_reserve[]: 0
[  284.767811]  __alloc_pages_slowpath+0x2660/0x2d70
[  284.772204]  0
[  284.775508]  ? warn_alloc+0x120/0x120
[  284.780296]  3503 3503
[  284.782115]  ? warn_alloc+0x120/0x120
[  284.788383]  ? print_usage_bug+0xc0/0xc0
[  284.792161] Node 0 
[  284.796222]  ? warn_alloc+0x120/0x120
[  284.796254] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  284.796261] lowmem_reserve[]:
[  284.798492]  ? print_usage_bug+0xc0/0xc0
[  284.802266]  0 0
[  284.830740]  ? __lock_acquire+0x62f/0x4c20
[  284.833819]  0
[  284.837876]  ? __lock_acquire+0x62f/0x4c20
[  284.839831]  0
[  284.844069]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.850081]  ? should_fail+0x22d/0xd01
[  284.851859] Node 0 
[  284.857397]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.861255] DMA: 
[  284.863492]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.868742] 1*4kB 
[  284.870803]  ? __lock_acquire+0x62f/0x4c20
[  284.875882] (U) 
[  284.878029]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.882235] 0*8kB 0*16kB 
[  284.884218]  ? __lock_acquire+0x62f/0x4c20
[  284.889294] 1*32kB 
[  284.892046]  ? should_fail+0x22d/0xd01
[  284.896262] (U) 
[  284.898495]  ? rcu_irq_exit+0x1a2/0x390
[  284.902371] 2*64kB (U) 
[  284.904359]  ? mark_held_locks+0x130/0x130
[  284.908299] 1*128kB 
[  284.910912]  ? mark_held_locks+0x130/0x130
[  284.915121] (U) 
[  284.917440]  ? mark_held_locks+0xc7/0x130
[  284.921655] 1*256kB 
[  284.923623]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  284.927743] (U) 
[  284.930061]  ? zap_class+0x640/0x640
[  284.935053] 0*512kB 
[  284.937023]  ? print_usage_bug+0xc0/0xc0
[  284.940713] 1*1024kB 
[  284.943033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.947069] (U) 
[  284.949475]  ? check_preemption_disabled+0x48/0x280
[  284.954989] 1*2048kB 
[  284.956966]  ? __lock_is_held+0xb5/0x140
[  284.961952] (M) 
[  284.964360]  __alloc_pages_nodemask+0xa80/0xde0
[  284.968393] 3*4096kB (M) 
[  284.970390]  ? zap_class+0x640/0x640
[  284.975040] = 15908kB
[  284.977796]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  284.981487] Node 0 
[  284.983902]  ? find_held_lock+0x36/0x1c0
[  284.988879] DMA32: 5*4kB 
[  284.991130]  ? ____cache_alloc_node+0x1c7/0x1e0
[  284.995156] (UM) 
[  284.997920]  ? lock_downgrade+0x900/0x900
[  285.002560] 1*8kB (U) 
[  285.004630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.008748] 2*16kB (M) 
[  285.011254]  cache_grow_begin+0xa5/0x8c0
[  285.016763] 1*32kB 
[  285.019338]  ? do_raw_spin_unlock+0xa7/0x330
[  285.023375] (M) 
[  285.025611]  fallback_alloc+0x204/0x2e0
[  285.029990] 3*64kB (M) 
[  285.031980]  ____cache_alloc_node+0x1c7/0x1e0
[  285.035925] 5*128kB (UM) 
[  285.038521]  kmem_cache_alloc_node+0xe3/0x730
[  285.042988] 3*256kB 
[  285.045739]  ? ipv6_get_ifaddr+0x42e/0x620
[  285.050207] (M) 
[  285.052530]  __alloc_skb+0x119/0x770
[  285.056737] 4*512kB 
[  285.058712]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.062399] (UM) 
[  285.064714]  ? netdev_alloc_frag+0x1f0/0x1f0
[  285.069970] 3*1024kB 
[  285.072027]  ? lock_downgrade+0x900/0x900
[  285.076409] (UM) 
[  285.078821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.082944] 3*2048kB 
[  285.085006]  ? refcount_sub_and_test_checked+0x203/0x310
[  285.090514] (UM) 
[  285.092924]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  285.098348] 3*4096kB (M) 
[  285.100439]  ? addrconf_rs_timer+0x690/0x690
[  285.105873] = 25244kB
[  285.108632]  ndisc_alloc_skb+0x144/0x340
[  285.113005] Node 0 
[  285.115427]  ndisc_send_rs+0x331/0x6e0
[  285.119469] Normal: 
[  285.121702]  addrconf_rs_timer+0x314/0x690
[  285.125566] 719*4kB 
[  285.127887]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.132099] (UMEH) 
[  285.134428]  call_timer_fn+0x272/0x920
[  285.138637] 258*8kB 
[  285.140865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.144724] (UME) 197*16kB 
[  285.147055]  ? process_timeout+0x40/0x40
[  285.151266] (UME) 
[  285.154203]  ? mark_held_locks+0xc7/0x130
[  285.158235] 98*32kB 
[  285.160383]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.164507] (UME) 
[  285.166847]  ? _raw_spin_unlock_irq+0x27/0x80
[  285.171317] 44*64kB 
[  285.173458]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.177919] (UM) 0*128kB 
[  285.180251]  ? lockdep_hardirqs_on+0x296/0x5b0
[  285.184462] 0*256kB 
[  285.187217]  ? trace_hardirqs_on+0xbd/0x310
[  285.191773] 0*512kB 
[  285.194090]  ? kasan_check_read+0x11/0x20
[  285.194109]  ? __run_timers+0x7da/0xc70
[  285.198408] 0*1024kB 
[  285.200742]  ? trace_hardirqs_off_caller+0x310/0x310
[  285.204867] 0*2048kB 
[  285.208835]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.211221] 0*4096kB 
[  285.216315]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  285.218700] = 14044kB
[  285.222937]  __run_timers+0x7e5/0xc70
[  285.225324] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  285.229554]  ? timer_fixup_init+0x70/0x70
[  285.231950] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  285.235754]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  285.244569] 4793 total pagecache pages
[  285.248720]  ? zap_class+0x640/0x640
[  285.257276] 0 pages in swap cache
[  285.262286]  ? print_usage_bug+0xc0/0xc0
[  285.266152] Swap cache stats: add 0, delete 0, find 0/0
[  285.269864]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  285.273295] Free swap  = 0kB
[  285.277350]  ? find_held_lock+0x36/0x1c0
[  285.282690] Total swap = 0kB
[  285.282698] 1965979 pages RAM
[  285.287899]  ? zap_class+0x640/0x640
[  285.290898] 0 pages HighMem/MovableOnly
[  285.290907] 342867 pages reserved
[  285.294972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.298469] 0 pages cma reserved
[  285.298551] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  285.301584]  ? check_preemption_disabled+0x48/0x280
[  285.305331] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  285.309250]  ? __lock_is_held+0xb5/0x140
[  285.312676] syz-executor4 cpuset=
[  285.318209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.321546] syz4
[  285.328035]  ? check_preemption_disabled+0x48/0x280
[  285.333031]  mems_allowed=0
[  285.343519]  run_timer_softirq+0x52/0xb0
[  285.370499]  ? rcu_read_lock_sched_held+0x14f/0x180
[  285.375522]  __do_softirq+0x308/0xb7e
[  285.379420]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  285.383921]  ? lock_downgrade+0x900/0x900
[  285.388090]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  285.393216]  ? pvclock_read_flags+0x160/0x160
[  285.397722]  ? lapic_next_event+0x5a/0x90
[  285.401878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.407428]  ? kvm_clock_read+0x18/0x30
[  285.411408]  ? kvm_sched_clock_read+0x9/0x20
[  285.415820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.421365]  ? check_preemption_disabled+0x48/0x280
[  285.426392]  irq_exit+0x17f/0x1c0
[  285.429850]  smp_apic_timer_interrupt+0x1cb/0x760
[  285.434702]  ? smp_reschedule_interrupt+0x109/0x650
[  285.439724]  ? smp_call_function_single_interrupt+0x650/0x650
[  285.445616]  ? interrupt_entry+0xb5/0xc0
[  285.449683]  ? trace_hardirqs_off_caller+0xbb/0x310
[  285.454701]  ? trace_hardirqs_off_caller+0xbb/0x310
[  285.459729]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.464577]  ? trace_hardirqs_on_caller+0x310/0x310
[  285.469593]  ? trace_hardirqs_on_caller+0x310/0x310
[  285.474613]  ? task_prio+0x50/0x50
[  285.478162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.483713]  ? check_preemption_disabled+0x48/0x280
[  285.488739]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.493604]  apic_timer_interrupt+0xf/0x20
[  285.497837]  </IRQ>
[  285.500077] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  285.505271] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  285.524190] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  285.531906] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  285.539191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  285.546471] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  285.553739] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  285.561008] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  285.568321]  retint_kernel+0x1b/0x2d
[  285.572036] RIP: 0010:dump_stack+0x358/0x39d
[  285.576447] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  285.595354] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  285.603078] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  285.610347] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  285.617615] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  285.624888] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  285.632162] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  285.639465]  ? dump_stack+0x34f/0x39d
[  285.643283]  ? dump_stack_print_info.cold.1+0x20/0x20
[  285.648485]  dump_header+0x27b/0xf72
[  285.652215]  ? mark_held_locks+0x130/0x130
[  285.656455]  ? pagefault_out_of_memory+0x197/0x197
[  285.661399]  ? __lock_acquire+0x62f/0x4c20
[  285.665633]  ? zap_class+0x640/0x640
[  285.669351]  ? percpu_ref_get_many+0x240/0x240
[  285.673942]  ? print_usage_bug+0xc0/0xc0
[  285.678015]  ? print_usage_bug+0xc0/0xc0
[  285.682084]  ? zap_class+0x640/0x640
[  285.685805]  ? print_usage_bug+0xc0/0xc0
[  285.689868]  ? print_usage_bug+0xc0/0xc0
[  285.693942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.699487]  ? find_held_lock+0x36/0x1c0
[  285.703558]  ? mark_held_locks+0xc7/0x130
[  285.707718]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  285.712822]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  285.717933]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  285.722517]  ? trace_hardirqs_on+0xbd/0x310
[  285.726840]  ? kasan_check_read+0x11/0x20
[  285.730989]  ? ___ratelimit+0x3b4/0x672
[  285.734968]  ? trace_hardirqs_off_caller+0x310/0x310
[  285.740078]  ? trace_hardirqs_on+0x310/0x310
[  285.744495]  ? lock_downgrade+0x900/0x900
[  285.748652]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  285.753760]  ? ___ratelimit+0x3b9/0x672
[  285.757741]  ? idr_get_free+0xec0/0xec0
[  285.761716]  ? find_held_lock+0x36/0x1c0
[  285.765800]  oom_kill_process.cold.27+0x10/0x903
[  285.770558]  ? zap_class+0x640/0x640
[  285.774274]  ? check_preemption_disabled+0x48/0x280
[  285.779316]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  285.784250]  ? kasan_check_read+0x11/0x20
[  285.788410]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.793720]  ? oom_evaluate_task+0x540/0x540
[  285.798138]  ? find_held_lock+0x36/0x1c0
[  285.802218]  ? out_of_memory+0x974/0x1430
[  285.806369]  ? lock_downgrade+0x900/0x900
[  285.810517]  ? check_preemption_disabled+0x48/0x280
[  285.815547]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  285.820482]  ? kasan_check_read+0x11/0x20
[  285.824645]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.829926]  ? rcu_softirq_qs+0x20/0x20
[  285.833916]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.839467]  ? oom_evaluate_task+0x302/0x540
[  285.843884]  out_of_memory+0xa84/0x1430
[  285.847875]  ? oom_killer_disable+0x3a0/0x3a0
[  285.852375]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  285.857312]  ? __mutex_add_waiter+0x2a0/0x2a0
[  285.861827]  __alloc_pages_slowpath+0x22d4/0x2d70
[  285.866722]  ? warn_alloc+0x120/0x120
[  285.870529]  ? rcu_softirq_qs+0x20/0x20
[  285.874537]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.880075]  ? should_fail+0x22d/0xd01
[  285.883971]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.889083]  ? zap_class+0x640/0x640
[  285.892839]  ? __lock_is_held+0xb5/0x140
[  285.896913]  ? mark_held_locks+0x130/0x130
[  285.901155]  ? lock_release+0xa00/0xa00
[  285.905142]  ? perf_trace_sched_process_exec+0x860/0x860
[  285.910611]  ? __might_sleep+0x95/0x190
[  285.914597]  __alloc_pages_nodemask+0xa80/0xde0
[  285.919279]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  285.924298]  ? __page_cache_alloc+0x191/0x5c0
[  285.928798]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  285.933727]  ? kasan_check_read+0x11/0x20
[  285.937885]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.943178]  ? zap_class+0x640/0x640
[  285.946906]  ? zap_class+0x640/0x640
[  285.950628]  ? zap_class+0x640/0x640
[  285.954345]  ? __do_page_cache_readahead+0x7ce/0x980
[  285.959463]  ? find_held_lock+0x36/0x1c0
[  285.963537]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  285.969084]  alloc_pages_current+0x173/0x350
[  285.973506]  __page_cache_alloc+0x38c/0x5c0
[  285.977851]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  285.982784]  ? kasan_check_read+0x11/0x20
[  285.986947]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.992249]  ? generic_perform_write+0x6a0/0x6a0
[  285.997015]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.002569]  ? check_preemption_disabled+0x48/0x280
[  286.007605]  filemap_fault+0x1594/0x25f0
[  286.011686]  ? __lock_page_or_retry+0xa00/0xa00
[  286.016363]  ? mark_held_locks+0x130/0x130
[  286.020603]  ? rcu_softirq_qs+0x20/0x20
[  286.024594]  ? filemap_map_pages+0xe04/0x1990
[  286.029106]  ? __free_object+0x173/0x340
[  286.033179]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  286.038112]  ? trace_hardirqs_off_caller+0x310/0x310
[  286.043217]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  286.047902]  ? debug_object_free+0x32d/0x690
[  286.052316]  ? kasan_check_read+0x11/0x20
[  286.056490]  ? debug_object_destroy+0x2b0/0x2b0
[  286.061179]  ? lock_pi_update_atomic+0x150/0x150
[  286.065943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.071482]  ? __hrtimer_init+0xdb/0x240
[  286.075557]  ? lock_acquire+0x1ed/0x520
[  286.079532]  ? ext4_filemap_fault+0x7a/0xad
[  286.083880]  ? lock_release+0xa00/0xa00
[  286.087861]  ? perf_trace_sched_process_exec+0x860/0x860
[  286.093317]  ? print_usage_bug+0xc0/0xc0
[  286.097429]  ? print_usage_bug+0xc0/0xc0
[  286.101510]  ? down_read+0x8d/0x120
[  286.105139]  ? ext4_filemap_fault+0x7a/0xad
[  286.109470]  ? __down_interruptible+0x700/0x700
[  286.114153]  ext4_filemap_fault+0x82/0xad
[  286.118313]  __do_fault+0x100/0x6b0
[  286.121946]  ? find_held_lock+0x36/0x1c0
[  286.126013]  ? pmd_devmap_trans_unstable+0x220/0x220
[  286.131125]  ? mark_held_locks+0x130/0x130
[  286.135368]  ? mark_held_locks+0x130/0x130
[  286.139614]  ? kasan_check_read+0x11/0x20
[  286.143765]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.149310]  __handle_mm_fault+0x307c/0x5920
[  286.153727]  ? perf_trace_lock+0x7a0/0x7a0
[  286.157970]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  286.162822]  ? __switch_to_asm+0x34/0x70
[  286.166888]  ? __switch_to_asm+0x34/0x70
[  286.170965]  ? zap_class+0x640/0x640
[  286.174683]  ? zap_class+0x640/0x640
[  286.178399]  ? __x64_sys_futex+0x53e/0x6a0
[  286.182639]  ? find_held_lock+0x36/0x1c0
[  286.186711]  ? handle_mm_fault+0x42a/0xc70
[  286.190955]  ? lock_downgrade+0x900/0x900
[  286.195106]  ? check_preemption_disabled+0x48/0x280
[  286.200130]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  286.205064]  ? kasan_check_read+0x11/0x20
[  286.209219]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.214501]  ? rcu_softirq_qs+0x20/0x20
[  286.218478]  ? trace_hardirqs_off_caller+0x310/0x310
[  286.223582]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.229121]  ? check_preemption_disabled+0x48/0x280
[  286.234166]  handle_mm_fault+0x54f/0xc70
[  286.238247]  ? __handle_mm_fault+0x5920/0x5920
[  286.242837]  ? find_vma+0x34/0x190
[  286.246384]  __do_page_fault+0x5e8/0xe60
[  286.250455]  ? trace_hardirqs_off+0xb8/0x310
[  286.254882]  do_page_fault+0xf2/0x7e0
[  286.258690]  ? vmalloc_sync_all+0x30/0x30
[  286.262848]  ? error_entry+0x70/0xd0
[  286.266573]  ? trace_hardirqs_off_caller+0xbb/0x310
[  286.271593]  ? trace_hardirqs_on_caller+0xc0/0x310
[  286.276545]  ? syscall_return_slowpath+0x5e0/0x5e0
[  286.281475]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.286329]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.291347]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  286.296809]  ? prepare_exit_to_usermode+0x291/0x3b0
[  286.301836]  ? page_fault+0x8/0x30
[  286.305381]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.310236]  ? page_fault+0x8/0x30
[  286.313780]  page_fault+0x1e/0x30
[  286.317235] RIP: 0033:0x40f9c0
[  286.320440] Code: Bad RIP value.
[  286.323804] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  286.329180] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  286.336460] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  286.343740] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  286.351011] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  286.358304] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  286.365612] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  286.365677] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  286.372628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  286.372634] Call Trace:
[  286.372641]  <IRQ>
[  286.372662]  dump_stack+0x244/0x39d
[  286.372680]  ? dump_stack_print_info.cold.1+0x20/0x20
[  286.379252] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  286.388531]  warn_alloc.cold.117+0xb7/0x1bd
[  286.391084] syz-fuzzer cpuset=
[  286.393232]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  286.396838] /
[  286.402030]  ? lock_downgrade+0x900/0x900
[  286.412233]  mems_allowed=0
[  286.416549]  ? trace_hardirqs_off+0xb8/0x310
[  286.438021]  ? trace_hardirqs_off+0xb8/0x310
[  286.442448]  __alloc_pages_slowpath+0x2660/0x2d70
[  286.447323]  ? warn_alloc+0x120/0x120
[  286.451133]  ? warn_alloc+0x120/0x120
[  286.454937]  ? print_usage_bug+0xc0/0xc0
[  286.459002]  ? warn_alloc+0x120/0x120
[  286.462810]  ? print_usage_bug+0xc0/0xc0
[  286.466876]  ? __lock_acquire+0x62f/0x4c20
[  286.471110]  ? __lock_acquire+0x62f/0x4c20
[  286.475352]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.480892]  ? should_fail+0x22d/0xd01
[  286.484784]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.489895]  ? __lock_acquire+0x62f/0x4c20
[  286.494133]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.499237]  ? __lock_acquire+0x62f/0x4c20
[  286.503467]  ? should_fail+0x22d/0xd01
[  286.507354]  ? find_held_lock+0x36/0x1c0
[  286.511447]  ? mark_held_locks+0x130/0x130
[  286.515697]  ? mark_held_locks+0x130/0x130
[  286.519931]  ? zap_class+0x640/0x640
[  286.523644]  ? zap_class+0x640/0x640
[  286.527360]  ? print_usage_bug+0xc0/0xc0
[  286.531597]  ? do_raw_spin_unlock+0xa7/0x330
[  286.536008]  ? zap_class+0x640/0x640
[  286.539722]  ? print_usage_bug+0xc0/0xc0
[  286.543787]  ? wq_watchdog_touch+0x9c/0xfe
[  286.548031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.553571]  ? check_preemption_disabled+0x48/0x280
[  286.558602]  ? __lock_is_held+0xb5/0x140
[  286.562672]  __alloc_pages_nodemask+0xa80/0xde0
[  286.567346]  ? zap_class+0x640/0x640
[  286.571066]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  286.576095]  ? find_held_lock+0x36/0x1c0
[  286.580178]  ? ____cache_alloc_node+0x1c7/0x1e0
[  286.584850]  ? lock_downgrade+0x900/0x900
[  286.589009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.594558]  cache_grow_begin+0xa5/0x8c0
[  286.598622]  ? do_raw_spin_unlock+0xa7/0x330
[  286.603038]  fallback_alloc+0x204/0x2e0
[  286.607032]  ____cache_alloc_node+0x1c7/0x1e0
[  286.611536]  kmem_cache_alloc_node+0xe3/0x730
[  286.616033]  ? ipv6_get_ifaddr+0x42e/0x620
[  286.620283]  __alloc_skb+0x119/0x770
[  286.624001]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.629286]  ? netdev_alloc_frag+0x1f0/0x1f0
[  286.633697]  ? lock_downgrade+0x900/0x900
[  286.637857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.643397]  ? refcount_sub_and_test_checked+0x203/0x310
[  286.648856]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  286.654312]  ? addrconf_rs_timer+0x690/0x690
[  286.658735]  ndisc_alloc_skb+0x144/0x340
[  286.662804]  ndisc_send_rs+0x331/0x6e0
[  286.666874]  addrconf_rs_timer+0x314/0x690
[  286.671119]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.675369]  call_timer_fn+0x272/0x920
[  286.679259]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.683497]  ? process_timeout+0x40/0x40
[  286.687568]  ? __run_timers+0x7da/0xc70
[  286.691549]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.696046]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.700549]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.704785]  ? lockdep_hardirqs_on+0x296/0x5b0
[  286.709370]  ? trace_hardirqs_on+0xbd/0x310
[  286.713696]  ? kasan_check_read+0x11/0x20
[  286.717845]  ? __run_timers+0x7da/0xc70
[  286.721819]  ? trace_hardirqs_off_caller+0x310/0x310
[  286.726928]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.731180]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.735419]  __run_timers+0x7e5/0xc70
[  286.739237]  ? timer_fixup_init+0x70/0x70
[  286.743386]  ? kasan_check_read+0x11/0x20
[  286.747540]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.752818]  ? rcu_softirq_qs+0x20/0x20
[  286.756796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.762334]  ? check_preemption_disabled+0x48/0x280
[  286.767357]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  286.772121]  ? retint_kernel+0x2d/0x2d
[  286.776009]  ? trace_hardirqs_on_caller+0xc0/0x310
[  286.780945]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  286.785708]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  286.791162]  ? zap_class+0x640/0x640
[  286.794894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.800438]  ? check_preemption_disabled+0x48/0x280
[  286.805471]  ? __lock_is_held+0xb5/0x140
[  286.809535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.815076]  ? check_preemption_disabled+0x48/0x280
[  286.820097]  run_timer_softirq+0x52/0xb0
[  286.824160]  ? rcu_read_lock_sched_held+0x14f/0x180
[  286.829194]  __do_softirq+0x308/0xb7e
[  286.833006]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  286.837498]  ? lock_downgrade+0x900/0x900
[  286.841650]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  286.846762]  ? pvclock_read_flags+0x160/0x160
[  286.851260]  ? lapic_next_event+0x5a/0x90
[  286.855409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.860962]  ? kvm_clock_read+0x18/0x30
[  286.864940]  ? kvm_sched_clock_read+0x9/0x20
[  286.869350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.874889]  ? check_preemption_disabled+0x48/0x280
[  286.879914]  irq_exit+0x17f/0x1c0
[  286.883369]  smp_apic_timer_interrupt+0x1cb/0x760
[  286.888210]  ? smp_call_function_single_interrupt+0x159/0x650
[  286.894096]  ? smp_call_function_single_interrupt+0x650/0x650
[  286.899985]  ? interrupt_entry+0xb5/0xc0
[  286.904050]  ? trace_hardirqs_off_caller+0xbb/0x310
[  286.909067]  ? trace_hardirqs_off_caller+0xbb/0x310
[  286.914085]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.918930]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.923948]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.928964]  ? task_prio+0x50/0x50
[  286.932508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.938050]  ? check_preemption_disabled+0x48/0x280
[  286.943072]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.947928]  apic_timer_interrupt+0xf/0x20
[  286.952159]  </IRQ>
[  286.954410] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  286.959346] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  286.978252] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  286.985965] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  286.993236] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  287.000511] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  287.007782] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  287.015051] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  287.022371]  skb_clone+0x1bb/0x500
[  287.025914]  ? skb_split+0x11e0/0x11e0
[  287.029802]  ? check_preemption_disabled+0x48/0x280
[  287.034825]  ? __this_cpu_preempt_check+0x1c/0x20
[  287.039671]  ? __bpf_redirect+0x54b/0xb20
[  287.043836]  bpf_clone_redirect+0xb9/0x490
[  287.048090]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  287.053113]  ? __sched_text_start+0x8/0x8
[  287.057295]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  287.062056]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  287.066640]  ? retint_kernel+0x2d/0x2d
[  287.070536]  ? find_held_lock+0x36/0x1c0
[  287.074610]  ? lock_acquire+0x1ed/0x520
[  287.078588]  ? bpf_test_run+0x3cb/0x780
[  287.082577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.088117]  ? check_preemption_disabled+0x48/0x280
[  287.093143]  ? kasan_check_read+0x11/0x20
[  287.097303]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.102584]  ? rcu_softirq_qs+0x20/0x20
[  287.106562]  ? preempt_schedule+0x4d/0x60
[  287.110716]  ? ___preempt_schedule+0x16/0x18
[  287.115138]  ? bpf_test_run+0x25d/0x780
[  287.119131]  ? netlink_diag_dump+0x2a0/0x2a0
[  287.123543]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.129084]  ? bpf_test_init.isra.10+0x70/0x100
[  287.133761]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  287.138530]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  287.143375]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  287.148919]  ? fput+0x130/0x1a0
[  287.152211]  ? __bpf_prog_get+0x9b/0x290
[  287.156276]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  287.161123]  ? bpf_prog_test_run+0x130/0x1a0
[  287.165541]  ? __x64_sys_bpf+0x3d8/0x520
[  287.169605]  ? bpf_prog_get+0x20/0x20
[  287.173437]  ? do_syscall_64+0x1b9/0x820
[  287.177503]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  287.182870]  ? syscall_return_slowpath+0x5e0/0x5e0
[  287.187803]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.192651]  ? trace_hardirqs_on_caller+0x310/0x310
[  287.197674]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  287.202693]  ? prepare_exit_to_usermode+0x291/0x3b0
[  287.207717]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.212572]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  287.217952] warn_alloc_show_mem: 1 callbacks suppressed
[  287.217964] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  287.217966] Mem-Info:
[  287.217997] active_anon:56297 inactive_anon:436 isolated_anon:0
[  287.217997]  active_file:15 inactive_file:14 isolated_file:0
[  287.217997]  unevictable:0 dirty:0 writeback:0 unstable:0
[  287.217997]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  287.217997]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  287.217997]  free:13786 free_pcp:429 free_cma:0
[  287.223331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  287.223339] Call Trace:
[  287.230013] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  287.232413]  <IRQ>
[  287.265371] Node 0 
[  287.274733]  dump_stack+0x244/0x39d
[  287.277310] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  287.305267]  ? dump_stack_print_info.cold.1+0x20/0x20
[  287.307395] lowmem_reserve[]:
[  287.309638]  warn_alloc.cold.117+0xb7/0x1bd
[  287.313229]  0
[  287.338742]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  287.343907]  2818
[  287.347011]  ? lock_downgrade+0x900/0x900
[  287.351307]  6321
[  287.353109]  ? trace_hardirqs_off+0xb8/0x310
[  287.357923]  6321
[  287.359988]  ? trace_hardirqs_off+0xb8/0x310
[  287.366179]  __alloc_pages_slowpath+0x2660/0x2d70
[  287.370557] Node 0 
[  287.372638]  ? warn_alloc+0x120/0x120
[  287.377025] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  287.381838]  ? warn_alloc+0x120/0x120
[  287.384048] lowmem_reserve[]:
[  287.387843]  ? print_usage_bug+0xc0/0xc0
[  287.414534]  0 0
[  287.418350]  ? warn_alloc+0x120/0x120
[  287.421423]  3503 3503
[  287.425485]  ? print_usage_bug+0xc0/0xc0
[  287.431729]  ? __lock_acquire+0x62f/0x4c20
[  287.434205] Node 0 
[  287.438261]  ? __lock_acquire+0x62f/0x4c20
[  287.442494] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  287.444699]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.448905] lowmem_reserve[]:
[  287.477457]  ? should_fail+0x22d/0xd01
[  287.482974]  0
[  287.486074]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.489930]  0
[  287.491734]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.496988]  0
[  287.498785]  ? __lock_acquire+0x62f/0x4c20
[  287.503863]  0
[  287.505657]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.511665]  ? __lock_acquire+0x62f/0x4c20
[  287.516759] Node 0 
[  287.520980]  ? should_fail+0x22d/0xd01
[  287.520989] DMA: 
[  287.523220]  ? rcu_irq_exit+0x1a2/0x390
[  287.527081] 1*4kB 
[  287.529142]  ? mark_held_locks+0x130/0x130
[  287.533088] (U) 
[  287.535239]  ? mark_held_locks+0x130/0x130
[  287.539452] 0*8kB 
[  287.541422]  ? mark_held_locks+0xc7/0x130
[  287.545633] 0*16kB 
[  287.547783]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  287.551899] 1*32kB (U) 
[  287.554150]  ? zap_class+0x640/0x640
[  287.559143] 2*64kB 
[  287.561719]  ? print_usage_bug+0xc0/0xc0
[  287.565410] (U) 
[  287.567642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.571678] 1*128kB 
[  287.573648]  ? check_preemption_disabled+0x48/0x280
[  287.579155] (U) 
[  287.581485]  ? __lock_is_held+0xb5/0x140
[  287.586471] 1*256kB 
[  287.588443]  __alloc_pages_nodemask+0xa80/0xde0
[  287.592474] (U) 0*512kB 
[  287.594800]  ? zap_class+0x640/0x640
[  287.599446] 1*1024kB 
[  287.602115]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  287.605799] (U) 
[  287.608222]  ? find_held_lock+0x36/0x1c0
[  287.613205] 1*2048kB 
[  287.615193]  ? ____cache_alloc_node+0x1c7/0x1e0
[  287.619220] (M) 
[  287.621622]  ? lock_downgrade+0x900/0x900
[  287.626265] 3*4096kB 
[  287.628239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.632358] (M) 
[  287.634769]  cache_grow_begin+0xa5/0x8c0
[  287.640280] = 15908kB
[  287.642250]  ? do_raw_spin_unlock+0xa7/0x330
[  287.646286] Node 0 
[  287.648699]  fallback_alloc+0x204/0x2e0
[  287.653080] DMA32: 
[  287.655317]  ____cache_alloc_node+0x1c7/0x1e0
[  287.659263] 5*4kB 
[  287.661495]  kmem_cache_alloc_node+0xe3/0x730
[  287.665961] (UM) 
[  287.668110]  ? ipv6_get_ifaddr+0x42e/0x620
[  287.672582] 1*8kB 
[  287.674648]  __alloc_skb+0x119/0x770
[  287.678853] (U) 
[  287.681012]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.684701] 2*16kB 
[  287.686670]  ? netdev_alloc_frag+0x1f0/0x1f0
[  287.691924] (M) 
[  287.694165]  ? lock_downgrade+0x900/0x900
[  287.698555] 1*32kB 
[  287.700528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.704648] (M) 
[  287.706883]  ? refcount_sub_and_test_checked+0x203/0x310
[  287.712396] 3*64kB 
[  287.714369]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  287.719789] (M) 
[  287.722026]  ? addrconf_rs_timer+0x690/0x690
[  287.727454] 5*128kB 
[  287.729429]  ndisc_alloc_skb+0x144/0x340
[  287.733811] (UM) 
[  287.736130]  ndisc_send_rs+0x331/0x6e0
[  287.740162] 3*256kB 
[  287.742231]  addrconf_rs_timer+0x314/0x690
[  287.746088] (M) 
[  287.748406]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.752616] 4*512kB 
[  287.754595]  call_timer_fn+0x272/0x920
[  287.758798] (UM) 
[  287.761118]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.764981] 3*1024kB 
[  287.767043]  ? process_timeout+0x40/0x40
[  287.771254] (UM) 
[  287.773670]  ? mark_held_locks+0xc7/0x130
[  287.777699] 3*2048kB 
[  287.779759]  ? _raw_spin_unlock_irq+0x27/0x80
[  287.783877] (UM) 
[  287.786282]  ? _raw_spin_unlock_irq+0x27/0x80
[  287.790756] 3*4096kB 
[  287.792813]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.797284] (M) 
[  287.799694]  ? lockdep_hardirqs_on+0x296/0x5b0
[  287.803904] = 25244kB
[  287.805875]  ? trace_hardirqs_on+0xbd/0x310
[  287.810435] Node 0 
[  287.812840]  ? kasan_check_read+0x11/0x20
[  287.817133] Normal: 
[  287.819364]  ? __run_timers+0x7da/0xc70
[  287.823487] 719*4kB 
[  287.825803]  ? trace_hardirqs_off_caller+0x310/0x310
[  287.829751] (UMEH) 
[  287.832074]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.837150] 258*8kB 
[  287.839385]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.843595] (UME) 
[  287.845920]  __run_timers+0x7e5/0xc70
[  287.850123] 197*16kB (UME) 
[  287.852288]  ? timer_fixup_init+0x70/0x70
[  287.856056] 98*32kB 
[  287.858983]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  287.863107] (UME) 
[  287.865426]  ? zap_class+0x640/0x640
[  287.870423] 44*64kB 
[  287.872567]  ? print_usage_bug+0xc0/0xc0
[  287.876253] (UM) 
[  287.878571]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  287.882600] 0*128kB 0*256kB 
[  287.884673]  ? find_held_lock+0x36/0x1c0
[  287.889836] 0*512kB 
[  287.892851]  ? zap_class+0x640/0x640
[  287.896889] 0*1024kB 
[  287.899208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.902892] 0*2048kB 
[  287.905299]  ? check_preemption_disabled+0x48/0x280
[  287.910813] 0*4096kB 
[  287.913225]  ? __lock_is_held+0xb5/0x140
[  287.918213] = 14044kB
[  287.920615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.924655] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  287.927056]  ? check_preemption_disabled+0x48/0x280
[  287.932573] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  287.941394]  run_timer_softirq+0x52/0xb0
[  287.946382] 4793 total pagecache pages
[  287.954954]  ? rcu_read_lock_sched_held+0x14f/0x180
[  287.958996] 0 pages in swap cache
[  287.962871]  __do_softirq+0x308/0xb7e
[  287.967882] Swap cache stats: add 0, delete 0, find 0/0
[  287.971326]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  287.975100] Free swap  = 0kB
[  287.980456]  ? lock_downgrade+0x900/0x900
[  287.984925] Total swap = 0kB
[  287.987945]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  287.992063] 1965979 pages RAM
[  287.995082]  ? pvclock_read_flags+0x160/0x160
[  288.000160] 0 pages HighMem/MovableOnly
[  288.003271]  ? lapic_next_event+0x5a/0x90
[  288.007740] 342867 pages reserved
[  288.011711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.015832] 0 pages cma reserved
[  288.019284]  ? kvm_clock_read+0x18/0x30
[  288.024882] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  288.028146]  ? kvm_sched_clock_read+0x9/0x20
[  288.028162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.028186]  ? check_preemption_disabled+0x48/0x280
[  288.028209]  irq_exit+0x17f/0x1c0
[  288.032222] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  288.038659]  smp_apic_timer_interrupt+0x1cb/0x760
[  288.043042] syz-executor4 cpuset=
[  288.048574]  ? smp_reschedule_interrupt+0x109/0x650
[  288.053565] syz4
[  288.057016]  ? smp_call_function_single_interrupt+0x650/0x650
[  288.067481]  mems_allowed=0
[  288.072319]  ? interrupt_entry+0xb5/0xc0
[  288.095543]  ? trace_hardirqs_off_caller+0xbb/0x310
[  288.100557]  ? trace_hardirqs_off_caller+0xbb/0x310
[  288.105574]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.110419]  ? trace_hardirqs_on_caller+0x310/0x310
[  288.115438]  ? trace_hardirqs_on_caller+0x310/0x310
[  288.120457]  ? task_prio+0x50/0x50
[  288.124001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.129547]  ? check_preemption_disabled+0x48/0x280
[  288.134569]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.139422]  apic_timer_interrupt+0xf/0x20
[  288.143653]  </IRQ>
[  288.145894] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  288.151083] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  288.169983] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  288.177693] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  288.184960] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  288.192230] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  288.199500] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  288.206766] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  288.214078]  retint_kernel+0x1b/0x2d
[  288.217795] RIP: 0010:dump_stack+0x358/0x39d
[  288.222204] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  288.241103] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  288.248810] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  288.256074] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  288.263346] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  288.270613] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  288.277878] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  288.285177]  ? dump_stack+0x34f/0x39d
[  288.288992]  ? dump_stack_print_info.cold.1+0x20/0x20
[  288.294201]  dump_header+0x27b/0xf72
[  288.297936]  ? mark_held_locks+0x130/0x130
[  288.302184]  ? pagefault_out_of_memory+0x197/0x197
[  288.307120]  ? __lock_acquire+0x62f/0x4c20
[  288.311354]  ? zap_class+0x640/0x640
[  288.315072]  ? percpu_ref_get_many+0x240/0x240
[  288.319659]  ? print_usage_bug+0xc0/0xc0
[  288.323720]  ? print_usage_bug+0xc0/0xc0
[  288.327787]  ? zap_class+0x640/0x640
[  288.331511]  ? print_usage_bug+0xc0/0xc0
[  288.335575]  ? print_usage_bug+0xc0/0xc0
[  288.339646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.345195]  ? find_held_lock+0x36/0x1c0
[  288.349271]  ? mark_held_locks+0xc7/0x130
[  288.353424]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  288.358528]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  288.363638]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  288.368227]  ? trace_hardirqs_on+0xbd/0x310
[  288.372549]  ? kasan_check_read+0x11/0x20
[  288.376698]  ? ___ratelimit+0x3b4/0x672
[  288.380677]  ? trace_hardirqs_off_caller+0x310/0x310
[  288.385780]  ? trace_hardirqs_on+0x310/0x310
[  288.390201]  ? lock_downgrade+0x900/0x900
[  288.394364]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  288.399466]  ? ___ratelimit+0x3b9/0x672
[  288.403443]  ? idr_get_free+0xec0/0xec0
[  288.407425]  ? find_held_lock+0x36/0x1c0
[  288.411501]  oom_kill_process.cold.27+0x10/0x903
[  288.416264]  ? zap_class+0x640/0x640
[  288.419978]  ? check_preemption_disabled+0x48/0x280
[  288.425002]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  288.430444]  ? kasan_check_read+0x11/0x20
[  288.434598]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.439878]  ? oom_evaluate_task+0x540/0x540
[  288.444291]  ? find_held_lock+0x36/0x1c0
[  288.448361]  ? out_of_memory+0x974/0x1430
[  288.452511]  ? lock_downgrade+0x900/0x900
[  288.456659]  ? check_preemption_disabled+0x48/0x280
[  288.461685]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  288.466617]  ? kasan_check_read+0x11/0x20
[  288.470765]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.476047]  ? rcu_softirq_qs+0x20/0x20
[  288.480028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.485563]  ? oom_evaluate_task+0x302/0x540
[  288.489979]  out_of_memory+0xa84/0x1430
[  288.493972]  ? oom_killer_disable+0x3a0/0x3a0
[  288.498474]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  288.503407]  ? __mutex_add_waiter+0x2a0/0x2a0
[  288.507915]  __alloc_pages_slowpath+0x22d4/0x2d70
[  288.512795]  ? warn_alloc+0x120/0x120
[  288.516596]  ? rcu_softirq_qs+0x20/0x20
[  288.520604]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.526141]  ? should_fail+0x22d/0xd01
[  288.530042]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.535148]  ? zap_class+0x640/0x640
[  288.538897]  ? __lock_is_held+0xb5/0x140
[  288.542976]  ? mark_held_locks+0x130/0x130
[  288.547220]  ? lock_release+0xa00/0xa00
[  288.551203]  ? perf_trace_sched_process_exec+0x860/0x860
[  288.556668]  ? __might_sleep+0x95/0x190
[  288.560651]  __alloc_pages_nodemask+0xa80/0xde0
[  288.565328]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  288.570349]  ? __page_cache_alloc+0x191/0x5c0
[  288.574844]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  288.579774]  ? kasan_check_read+0x11/0x20
[  288.583934]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.589220]  ? zap_class+0x640/0x640
[  288.592949]  ? zap_class+0x640/0x640
[  288.596666]  ? zap_class+0x640/0x640
[  288.600385]  ? __do_page_cache_readahead+0x7ce/0x980
[  288.605496]  ? find_held_lock+0x36/0x1c0
[  288.609562]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  288.615110]  alloc_pages_current+0x173/0x350
[  288.619525]  __page_cache_alloc+0x38c/0x5c0
[  288.623849]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  288.628780]  ? kasan_check_read+0x11/0x20
[  288.632938]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.638218]  ? generic_perform_write+0x6a0/0x6a0
[  288.642976]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.648517]  ? check_preemption_disabled+0x48/0x280
[  288.653544]  filemap_fault+0x1594/0x25f0
[  288.657624]  ? __lock_page_or_retry+0xa00/0xa00
[  288.662297]  ? mark_held_locks+0x130/0x130
[  288.666536]  ? rcu_softirq_qs+0x20/0x20
[  288.670532]  ? filemap_map_pages+0xe04/0x1990
[  288.675065]  ? __free_object+0x173/0x340
[  288.679131]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  288.684065]  ? trace_hardirqs_off_caller+0x310/0x310
[  288.689179]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  288.693879]  ? debug_object_free+0x32d/0x690
[  288.698290]  ? kasan_check_read+0x11/0x20
[  288.702442]  ? debug_object_destroy+0x2b0/0x2b0
[  288.707116]  ? lock_pi_update_atomic+0x150/0x150
[  288.711870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.717406]  ? __hrtimer_init+0xdb/0x240
[  288.721482]  ? lock_acquire+0x1ed/0x520
[  288.725461]  ? ext4_filemap_fault+0x7a/0xad
[  288.729791]  ? lock_release+0xa00/0xa00
[  288.733769]  ? perf_trace_sched_process_exec+0x860/0x860
[  288.739225]  ? print_usage_bug+0xc0/0xc0
[  288.743288]  ? print_usage_bug+0xc0/0xc0
[  288.747368]  ? down_read+0x8d/0x120
[  288.750992]  ? ext4_filemap_fault+0x7a/0xad
[  288.755314]  ? __down_interruptible+0x700/0x700
[  288.759995]  ext4_filemap_fault+0x82/0xad
[  288.764146]  __do_fault+0x100/0x6b0
[  288.767780]  ? find_held_lock+0x36/0x1c0
[  288.771848]  ? pmd_devmap_trans_unstable+0x220/0x220
[  288.776962]  ? mark_held_locks+0x130/0x130
[  288.781208]  ? mark_held_locks+0x130/0x130
[  288.785456]  ? kasan_check_read+0x11/0x20
[  288.789605]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.795148]  __handle_mm_fault+0x307c/0x5920
[  288.799565]  ? perf_trace_lock+0x7a0/0x7a0
[  288.803811]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  288.808663]  ? __switch_to_asm+0x34/0x70
[  288.812724]  ? __switch_to_asm+0x34/0x70
[  288.816799]  ? zap_class+0x640/0x640
[  288.820514]  ? zap_class+0x640/0x640
[  288.824232]  ? __x64_sys_futex+0x53e/0x6a0
[  288.828471]  ? find_held_lock+0x36/0x1c0
[  288.832541]  ? handle_mm_fault+0x42a/0xc70
[  288.836779]  ? lock_downgrade+0x900/0x900
[  288.840935]  ? check_preemption_disabled+0x48/0x280
[  288.845966]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  288.850900]  ? kasan_check_read+0x11/0x20
[  288.855057]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.860340]  ? rcu_softirq_qs+0x20/0x20
[  288.864317]  ? trace_hardirqs_off_caller+0x310/0x310
[  288.869421]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.874968]  ? check_preemption_disabled+0x48/0x280
[  288.879992]  handle_mm_fault+0x54f/0xc70
[  288.884057]  ? __handle_mm_fault+0x5920/0x5920
[  288.888650]  ? find_vma+0x34/0x190
[  288.892206]  __do_page_fault+0x5e8/0xe60
[  288.896265]  ? trace_hardirqs_off+0xb8/0x310
[  288.900690]  do_page_fault+0xf2/0x7e0
[  288.904495]  ? vmalloc_sync_all+0x30/0x30
[  288.908650]  ? error_entry+0x70/0xd0
[  288.912367]  ? trace_hardirqs_off_caller+0xbb/0x310
[  288.917381]  ? trace_hardirqs_on_caller+0xc0/0x310
[  288.922315]  ? syscall_return_slowpath+0x5e0/0x5e0
[  288.927247]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.932093]  ? trace_hardirqs_on_caller+0x310/0x310
[  288.937111]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  288.942570]  ? prepare_exit_to_usermode+0x291/0x3b0
[  288.947593]  ? page_fault+0x8/0x30
[  288.951137]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.955992]  ? page_fault+0x8/0x30
[  288.959535]  page_fault+0x1e/0x30
[  288.962985] RIP: 0033:0x40f9c0
[  288.966201] Code: Bad RIP value.
[  288.969563] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  288.974929] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  288.982202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  288.989472] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  288.996738] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  289.004006] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  289.011305] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  289.011376] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  289.018321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  289.018326] Call Trace:
[  289.018333]  <IRQ>
[  289.018353]  dump_stack+0x244/0x39d
[  289.018371]  ? dump_stack_print_info.cold.1+0x20/0x20
[  289.024898] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  289.034206]  warn_alloc.cold.117+0xb7/0x1bd
[  289.036757] syz-fuzzer cpuset=
[  289.038904]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  289.042506] /
[  289.047689]  ? lock_downgrade+0x900/0x900
[  289.057891]  mems_allowed=0
[  289.062217]  ? trace_hardirqs_off+0xb8/0x310
[  289.083384]  ? trace_hardirqs_off+0xb8/0x310
[  289.087802]  __alloc_pages_slowpath+0x2660/0x2d70
[  289.092677]  ? warn_alloc+0x120/0x120
[  289.096485]  ? warn_alloc+0x120/0x120
[  289.100294]  ? print_usage_bug+0xc0/0xc0
[  289.104361]  ? warn_alloc+0x120/0x120
[  289.108164]  ? print_usage_bug+0xc0/0xc0
[  289.112238]  ? __lock_acquire+0x62f/0x4c20
[  289.116474]  ? __lock_acquire+0x62f/0x4c20
[  289.120715]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.126251]  ? should_fail+0x22d/0xd01
[  289.130141]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.135251]  ? __lock_acquire+0x62f/0x4c20
[  289.139493]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.144596]  ? __lock_acquire+0x62f/0x4c20
[  289.148828]  ? should_fail+0x22d/0xd01
[  289.152717]  ? find_held_lock+0x36/0x1c0
[  289.156787]  ? mark_held_locks+0x130/0x130
[  289.161026]  ? mark_held_locks+0x130/0x130
[  289.165261]  ? zap_class+0x640/0x640
[  289.168978]  ? zap_class+0x640/0x640
[  289.172697]  ? print_usage_bug+0xc0/0xc0
[  289.176756]  ? do_raw_spin_unlock+0xa7/0x330
[  289.181164]  ? zap_class+0x640/0x640
[  289.184888]  ? print_usage_bug+0xc0/0xc0
[  289.188953]  ? wq_watchdog_touch+0x9c/0xfe
[  289.193206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.198745]  ? check_preemption_disabled+0x48/0x280
[  289.203770]  ? __lock_is_held+0xb5/0x140
[  289.207839]  __alloc_pages_nodemask+0xa80/0xde0
[  289.212508]  ? zap_class+0x640/0x640
[  289.216230]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  289.221257]  ? find_held_lock+0x36/0x1c0
[  289.225331]  ? ____cache_alloc_node+0x1c7/0x1e0
[  289.230004]  ? lock_downgrade+0x900/0x900
[  289.234161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.239719]  cache_grow_begin+0xa5/0x8c0
[  289.243781]  ? do_raw_spin_unlock+0xa7/0x330
[  289.248209]  fallback_alloc+0x204/0x2e0
[  289.252199]  ____cache_alloc_node+0x1c7/0x1e0
[  289.256705]  kmem_cache_alloc_node+0xe3/0x730
[  289.261207]  ? ipv6_get_ifaddr+0x42e/0x620
[  289.265461]  __alloc_skb+0x119/0x770
[  289.269184]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.274467]  ? netdev_alloc_frag+0x1f0/0x1f0
[  289.278878]  ? lock_downgrade+0x900/0x900
[  289.283037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.288580]  ? refcount_sub_and_test_checked+0x203/0x310
[  289.294037]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  289.299974]  ? addrconf_rs_timer+0x690/0x690
[  289.304401]  ndisc_alloc_skb+0x144/0x340
[  289.308563]  ndisc_send_rs+0x331/0x6e0
[  289.312460]  addrconf_rs_timer+0x314/0x690
[  289.316704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.320955]  call_timer_fn+0x272/0x920
[  289.324843]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.329083]  ? process_timeout+0x40/0x40
[  289.333162]  ? __run_timers+0x7da/0xc70
[  289.337151]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.341655]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.346149]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.350397]  ? lockdep_hardirqs_on+0x296/0x5b0
[  289.354987]  ? trace_hardirqs_on+0xbd/0x310
[  289.359314]  ? kasan_check_read+0x11/0x20
[  289.363465]  ? __run_timers+0x7da/0xc70
[  289.367449]  ? trace_hardirqs_off_caller+0x310/0x310
[  289.372558]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.376801]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.381036]  __run_timers+0x7e5/0xc70
[  289.384852]  ? timer_fixup_init+0x70/0x70
[  289.389007]  ? kasan_check_read+0x11/0x20
[  289.393166]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.398461]  ? rcu_softirq_qs+0x20/0x20
[  289.402446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.407983]  ? check_preemption_disabled+0x48/0x280
[  289.413007]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  289.417770]  ? retint_kernel+0x2d/0x2d
[  289.421668]  ? trace_hardirqs_on_caller+0xc0/0x310
[  289.426600]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  289.431361]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  289.436819]  ? zap_class+0x640/0x640
[  289.440544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.446086]  ? check_preemption_disabled+0x48/0x280
[  289.451114]  ? __lock_is_held+0xb5/0x140
[  289.455184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.460725]  ? check_preemption_disabled+0x48/0x280
[  289.465747]  run_timer_softirq+0x52/0xb0
[  289.469811]  ? rcu_read_lock_sched_held+0x14f/0x180
[  289.474831]  __do_softirq+0x308/0xb7e
[  289.478640]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  289.483134]  ? lock_downgrade+0x900/0x900
[  289.487287]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  289.492397]  ? pvclock_read_flags+0x160/0x160
[  289.496898]  ? lapic_next_event+0x5a/0x90
[  289.501050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.506595]  ? kvm_clock_read+0x18/0x30
[  289.510573]  ? kvm_sched_clock_read+0x9/0x20
[  289.514986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.520538]  ? check_preemption_disabled+0x48/0x280
[  289.525566]  irq_exit+0x17f/0x1c0
[  289.529021]  smp_apic_timer_interrupt+0x1cb/0x760
[  289.533865]  ? smp_call_function_single_interrupt+0x159/0x650
[  289.539749]  ? smp_call_function_single_interrupt+0x650/0x650
[  289.545722]  ? interrupt_entry+0xb5/0xc0
[  289.549790]  ? trace_hardirqs_off_caller+0xbb/0x310
[  289.554808]  ? trace_hardirqs_off_caller+0xbb/0x310
[  289.559827]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.564670]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.569684]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.574705]  ? task_prio+0x50/0x50
[  289.578254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.583791]  ? check_preemption_disabled+0x48/0x280
[  289.588815]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.593671]  apic_timer_interrupt+0xf/0x20
[  289.597901]  </IRQ>
[  289.600140] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  289.605082] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  289.623981] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  289.631689] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  289.638958] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  289.646226] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  289.653497] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  289.660763] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  289.668080]  skb_clone+0x1bb/0x500
[  289.671627]  ? skb_split+0x11e0/0x11e0
[  289.675518]  ? check_preemption_disabled+0x48/0x280
[  289.680543]  ? __this_cpu_preempt_check+0x1c/0x20
[  289.685393]  ? __bpf_redirect+0x54b/0xb20
[  289.689550]  bpf_clone_redirect+0xb9/0x490
[  289.693800]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  289.698823]  ? __sched_text_start+0x8/0x8
[  289.702976]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  289.707735]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  289.712325]  ? retint_kernel+0x2d/0x2d
[  289.716224]  ? find_held_lock+0x36/0x1c0
[  289.720297]  ? lock_acquire+0x1ed/0x520
[  289.724273]  ? bpf_test_run+0x3cb/0x780
[  289.728250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.733792]  ? check_preemption_disabled+0x48/0x280
[  289.738820]  ? kasan_check_read+0x11/0x20
[  289.742978]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.748261]  ? rcu_softirq_qs+0x20/0x20
[  289.752240]  ? preempt_schedule+0x4d/0x60
[  289.756393]  ? ___preempt_schedule+0x16/0x18
[  289.760811]  ? bpf_test_run+0x25d/0x780
[  289.764799]  ? netlink_diag_dump+0x2a0/0x2a0
[  289.769215]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.774752]  ? bpf_test_init.isra.10+0x70/0x100
[  289.779426]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  289.784208]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  289.789054]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  289.794595]  ? fput+0x130/0x1a0
[  289.797880]  ? __bpf_prog_get+0x9b/0x290
[  289.801945]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  289.806789]  ? bpf_prog_test_run+0x130/0x1a0
[  289.811208]  ? __x64_sys_bpf+0x3d8/0x520
[  289.815272]  ? bpf_prog_get+0x20/0x20
[  289.819094]  ? do_syscall_64+0x1b9/0x820
[  289.823159]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  289.828537]  ? syscall_return_slowpath+0x5e0/0x5e0
[  289.833468]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.838315]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.843336]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  289.848356]  ? prepare_exit_to_usermode+0x291/0x3b0
[  289.853383]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.858239]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  289.863625] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  289.863631] warn_alloc_show_mem: 1 callbacks suppressed
[  289.863637] Mem-Info:
[  289.870306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  289.875673] active_anon:56297 inactive_anon:436 isolated_anon:0
[  289.875673]  active_file:15 inactive_file:14 isolated_file:0
[  289.875673]  unevictable:0 dirty:0 writeback:0 unstable:0
[  289.875673]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  289.875673]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  289.875673]  free:13786 free_pcp:429 free_cma:0
[  289.878047] Call Trace:
[  289.887440] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  289.920369]  <IRQ>
[  289.922945] Node 0 
[  289.950709]  dump_stack+0x244/0x39d
[  289.952870] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  289.955084]  ? dump_stack_print_info.cold.1+0x20/0x20
[  289.958677] lowmem_reserve[]: 0
[  289.984216]  warn_alloc.cold.117+0xb7/0x1bd
[  289.989377]  2818
[  289.992658]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  289.996950]  6321
[  289.999013]  ? lock_downgrade+0x900/0x900
[  290.003824]  6321
[  290.005901]  ? trace_hardirqs_off+0xb8/0x310
[  290.010021] Node 0 
[  290.012089]  ? trace_hardirqs_off+0xb8/0x310
[  290.016493] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  290.018712]  __alloc_pages_slowpath+0x2660/0x2d70
[  290.023077] lowmem_reserve[]: 0
[  290.049845]  ? warn_alloc+0x120/0x120
[  290.054641]  0
[  290.057919]  ? warn_alloc+0x120/0x120
[  290.061697]  3503
[  290.063498]  ? print_usage_bug+0xc0/0xc0
[  290.067265]  3503
[  290.069335]  ? warn_alloc+0x120/0x120
[  290.073373] Node 0 
[  290.075430]  ? print_usage_bug+0xc0/0xc0
[  290.079236] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  290.081448]  ? __lock_acquire+0x62f/0x4c20
[  290.085480] lowmem_reserve[]: 0
[  290.113958]  ? __lock_acquire+0x62f/0x4c20
[  290.118163]  0
[  290.121454]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.125663]  0
[  290.127457]  ? should_fail+0x22d/0xd01
[  290.132975]  0
[  290.134771]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.140433]  ? __lock_acquire+0x62f/0x4c20
[  290.145516] Node 0 DMA: 
[  290.149750]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.149766]  ? __lock_acquire+0x62f/0x4c20
[  290.152416] 1*4kB 
[  290.157511]  ? should_fail+0x22d/0xd01
[  290.161723] (U) 
[  290.163870]  ? find_held_lock+0x36/0x1c0
[  290.167734] 0*8kB 
[  290.169712]  ? mark_held_locks+0x130/0x130
[  290.173747] 0*16kB 
[  290.175923]  ? mark_held_locks+0x130/0x130
[  290.180135] 1*32kB 
[  290.182364]  ? zap_class+0x640/0x640
[  290.186576] (U) 
[  290.188805]  ? zap_class+0x640/0x640
[  290.192496] 2*64kB 
[  290.194464]  ? print_usage_bug+0xc0/0xc0
[  290.198146] (U) 1*128kB 
[  290.200392]  ? do_raw_spin_unlock+0xa7/0x330
[  290.204427] (U) 
[  290.207090]  ? zap_class+0x640/0x640
[  290.211488] 1*256kB (U) 
[  290.213468]  ? print_usage_bug+0xc0/0xc0
[  290.217149] 0*512kB 1*1024kB 
[  290.219836]  ? wq_watchdog_touch+0x9c/0xfe
[  290.223869] (U) 
[  290.226975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.231188] 1*2048kB 
[  290.233158]  ? check_preemption_disabled+0x48/0x280
[  290.238671] (M) 3*4096kB 
[  290.241091]  ? __lock_is_held+0xb5/0x140
[  290.246075] (M) 
[  290.248833]  __alloc_pages_nodemask+0xa80/0xde0
[  290.252863] = 15908kB
[  290.252872] Node 0 
[  290.254846]  ? zap_class+0x640/0x640
[  290.259491] DMA32: 
[  290.261899]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  290.264108] 5*4kB 
[  290.267820]  ? find_held_lock+0x36/0x1c0
[  290.270025] (UM) 
[  290.275046]  ? ____cache_alloc_node+0x1c7/0x1e0
[  290.277163] 1*8kB 
[  290.281226]  ? lock_downgrade+0x900/0x900
[  290.283262] (U) 
[  290.287937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.290056] 2*16kB 
[  290.294208]  cache_grow_begin+0xa5/0x8c0
[  290.296158] (M) 
[  290.301701]  ? do_raw_spin_unlock+0xa7/0x330
[  290.303913] 1*32kB 
[  290.307977]  fallback_alloc+0x204/0x2e0
[  290.309923] (M) 
[  290.314336]  ____cache_alloc_node+0x1c7/0x1e0
[  290.316548] 3*64kB 
[  290.320516]  kmem_cache_alloc_node+0xe3/0x730
[  290.322464] (M) 
[  290.326956]  ? ipv6_get_ifaddr+0x42e/0x620
[  290.329179] 5*128kB 
[  290.333672]  __alloc_skb+0x119/0x770
[  290.335619] (UM) 
[  290.339849]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.342148] 3*256kB 
[  290.345863]  ? netdev_alloc_frag+0x1f0/0x1f0
[  290.347899] (M) 
[  290.353182]  ? lock_downgrade+0x900/0x900
[  290.355481] 4*512kB 
[  290.359886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.361833] (UM) 
[  290.365981]  ? refcount_sub_and_test_checked+0x203/0x310
[  290.368280] 3*1024kB 
[  290.373812]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  290.375848] (UM) 
[  290.381294]  ? addrconf_rs_timer+0x690/0x690
[  290.383683] 3*2048kB 
[  290.389132]  ndisc_alloc_skb+0x144/0x340
[  290.391164] (UM) 
[  290.395578]  ndisc_send_rs+0x331/0x6e0
[  290.397963] 3*4096kB 
[  290.402018]  addrconf_rs_timer+0x314/0x690
[  290.404053] (M) 
[  290.407951]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.410321] = 25244kB
[  290.414564]  call_timer_fn+0x272/0x920
[  290.416507] Node 0 
[  290.420737]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.423122] Normal: 
[  290.427005]  ? process_timeout+0x40/0x40
[  290.429219] 719*4kB 
[  290.433911]  ? mark_held_locks+0xc7/0x130
[  290.436213] (UMEH) 
[  290.440274]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.442571] 258*8kB 
[  290.446713]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.448928] (UME) 
[  290.453426]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.455730] 197*16kB 
[  290.460615]  ? lockdep_hardirqs_on+0x296/0x5b0
[  290.462739] (UME) 
[  290.466968]  ? trace_hardirqs_on+0xbd/0x310
[  290.469355] 98*32kB 
[  290.473937]  ? kasan_check_read+0x11/0x20
[  290.476055] (UME) 
[  290.480374]  ? __run_timers+0x7da/0xc70
[  290.482671] 44*64kB 
[  290.486810]  ? trace_hardirqs_off_caller+0x310/0x310
[  290.488941] (UM) 
[  290.492914]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.495231] 0*128kB 
[  290.500331]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.502369] 0*256kB 
[  290.506597]  __run_timers+0x7e5/0xc70
[  290.508895] 0*512kB 0*1024kB 
[  290.513139]  ? timer_fixup_init+0x70/0x70
[  290.515435] 0*2048kB 
[  290.519226]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  290.522309] 0*4096kB 
[  290.526470]  ? zap_class+0x640/0x640
[  290.528872] = 14044kB
[  290.533884]  ? print_usage_bug+0xc0/0xc0
[  290.536280] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  290.539978]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  290.542374] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  290.546425]  ? find_held_lock+0x36/0x1c0
[  290.555243] 4793 total pagecache pages
[  290.560434]  ? zap_class+0x640/0x640
[  290.568990] 0 pages in swap cache
[  290.573048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.576915] Swap cache stats: add 0, delete 0, find 0/0
[  290.580629]  ? check_preemption_disabled+0x48/0x280
[  290.584057] Free swap  = 0kB
[  290.589596]  ? __lock_is_held+0xb5/0x140
[  290.594930] Total swap = 0kB
[  290.599954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.602937] 1965979 pages RAM
[  290.602945] 0 pages HighMem/MovableOnly
[  290.607000]  ? check_preemption_disabled+0x48/0x280
[  290.609994] 342867 pages reserved
[  290.615524]  run_timer_softirq+0x52/0xb0
[  290.618602] 0 pages cma reserved
[  290.622568]  ? rcu_read_lock_sched_held+0x14f/0x180
[  290.627625] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  290.631005]  __do_softirq+0x308/0xb7e
[  290.635098] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  290.638406]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  290.643397] syz-executor4 cpuset=
[  290.649880]  ? lock_downgrade+0x900/0x900
[  290.653658] syz4
[  290.664135]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  290.668608]  mems_allowed=0
[  290.672059]  ? pvclock_read_flags+0x160/0x160
[  290.690652]  ? lapic_next_event+0x5a/0x90
[  290.694805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.700352]  ? kvm_clock_read+0x18/0x30
[  290.704330]  ? kvm_sched_clock_read+0x9/0x20
[  290.708739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.714284]  ? check_preemption_disabled+0x48/0x280
[  290.719309]  irq_exit+0x17f/0x1c0
[  290.722765]  smp_apic_timer_interrupt+0x1cb/0x760
[  290.727606]  ? smp_reschedule_interrupt+0x109/0x650
[  290.732628]  ? smp_call_function_single_interrupt+0x650/0x650
[  290.738519]  ? interrupt_entry+0xb5/0xc0
[  290.742585]  ? trace_hardirqs_off_caller+0xbb/0x310
[  290.747599]  ? trace_hardirqs_off_caller+0xbb/0x310
[  290.752617]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.757461]  ? trace_hardirqs_on_caller+0x310/0x310
[  290.762477]  ? trace_hardirqs_on_caller+0x310/0x310
[  290.767496]  ? task_prio+0x50/0x50
[  290.771041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.776598]  ? check_preemption_disabled+0x48/0x280
[  290.781623]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.786482]  apic_timer_interrupt+0xf/0x20
[  290.790710]  </IRQ>
[  290.792953] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  290.798143] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  290.817050] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  290.824763] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  290.832031] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  290.839302] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  290.846568] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  290.853837] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  290.861150]  retint_kernel+0x1b/0x2d
[  290.864876] RIP: 0010:dump_stack+0x358/0x39d
[  290.869287] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  290.888197] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  290.895910] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  290.903188] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  290.910455] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  290.917721] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  290.924989] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  290.932284]  ? dump_stack+0x34f/0x39d
[  290.936101]  ? dump_stack_print_info.cold.1+0x20/0x20
[  290.941310]  dump_header+0x27b/0xf72
[  290.945036]  ? mark_held_locks+0x130/0x130
[  290.949275]  ? pagefault_out_of_memory+0x197/0x197
[  290.954213]  ? __lock_acquire+0x62f/0x4c20
[  290.958445]  ? zap_class+0x640/0x640
[  290.962162]  ? percpu_ref_get_many+0x240/0x240
[  290.966757]  ? print_usage_bug+0xc0/0xc0
[  290.970819]  ? print_usage_bug+0xc0/0xc0
[  290.974885]  ? zap_class+0x640/0x640
[  290.978600]  ? print_usage_bug+0xc0/0xc0
[  290.982659]  ? print_usage_bug+0xc0/0xc0
[  290.986731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.992277]  ? find_held_lock+0x36/0x1c0
[  290.996347]  ? mark_held_locks+0xc7/0x130
[  291.000501]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  291.005608]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  291.010713]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  291.015301]  ? trace_hardirqs_on+0xbd/0x310
[  291.019627]  ? kasan_check_read+0x11/0x20
[  291.023771]  ? ___ratelimit+0x3b4/0x672
[  291.027751]  ? trace_hardirqs_off_caller+0x310/0x310
[  291.032857]  ? trace_hardirqs_on+0x310/0x310
[  291.037268]  ? lock_downgrade+0x900/0x900
[  291.041426]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  291.046528]  ? ___ratelimit+0x3b9/0x672
[  291.050508]  ? idr_get_free+0xec0/0xec0
[  291.054487]  ? find_held_lock+0x36/0x1c0
[  291.058563]  oom_kill_process.cold.27+0x10/0x903
[  291.063324]  ? zap_class+0x640/0x640
[  291.067041]  ? check_preemption_disabled+0x48/0x280
[  291.072069]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  291.076998]  ? kasan_check_read+0x11/0x20
[  291.081147]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.086434]  ? oom_evaluate_task+0x540/0x540
[  291.090853]  ? find_held_lock+0x36/0x1c0
[  291.094926]  ? out_of_memory+0x974/0x1430
[  291.099087]  ? lock_downgrade+0x900/0x900
[  291.103240]  ? check_preemption_disabled+0x48/0x280
[  291.108272]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  291.113207]  ? kasan_check_read+0x11/0x20
[  291.117364]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.122643]  ? rcu_softirq_qs+0x20/0x20
[  291.126627]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.132168]  ? oom_evaluate_task+0x302/0x540
[  291.136594]  out_of_memory+0xa84/0x1430
[  291.140583]  ? oom_killer_disable+0x3a0/0x3a0
[  291.145083]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  291.150016]  ? __mutex_add_waiter+0x2a0/0x2a0
[  291.154531]  __alloc_pages_slowpath+0x22d4/0x2d70
[  291.159413]  ? warn_alloc+0x120/0x120
[  291.163220]  ? rcu_softirq_qs+0x20/0x20
[  291.167238]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.172777]  ? should_fail+0x22d/0xd01
[  291.176676]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.181786]  ? zap_class+0x640/0x640
[  291.185533]  ? __lock_is_held+0xb5/0x140
[  291.189608]  ? mark_held_locks+0x130/0x130
[  291.193852]  ? lock_release+0xa00/0xa00
[  291.197828]  ? perf_trace_sched_process_exec+0x860/0x860
[  291.203299]  ? __might_sleep+0x95/0x190
[  291.207371]  __alloc_pages_nodemask+0xa80/0xde0
[  291.212056]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  291.217083]  ? __page_cache_alloc+0x191/0x5c0
[  291.221587]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  291.226521]  ? kasan_check_read+0x11/0x20
[  291.230682]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.235970]  ? zap_class+0x640/0x640
[  291.239698]  ? zap_class+0x640/0x640
[  291.243422]  ? zap_class+0x640/0x640
[  291.247142]  ? __do_page_cache_readahead+0x7ce/0x980
[  291.252266]  ? find_held_lock+0x36/0x1c0
[  291.256338]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  291.261894]  alloc_pages_current+0x173/0x350
[  291.266317]  __page_cache_alloc+0x38c/0x5c0
[  291.270649]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  291.275590]  ? kasan_check_read+0x11/0x20
[  291.279751]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.285047]  ? generic_perform_write+0x6a0/0x6a0
[  291.289809]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.295356]  ? check_preemption_disabled+0x48/0x280
[  291.300886]  filemap_fault+0x1594/0x25f0
[  291.304969]  ? __lock_page_or_retry+0xa00/0xa00
[  291.309645]  ? mark_held_locks+0x130/0x130
[  291.313887]  ? rcu_softirq_qs+0x20/0x20
[  291.317880]  ? filemap_map_pages+0xe04/0x1990
[  291.322399]  ? __free_object+0x173/0x340
[  291.326472]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  291.331405]  ? trace_hardirqs_off_caller+0x310/0x310
[  291.336515]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  291.341208]  ? debug_object_free+0x32d/0x690
[  291.345619]  ? kasan_check_read+0x11/0x20
[  291.349774]  ? debug_object_destroy+0x2b0/0x2b0
[  291.354454]  ? lock_pi_update_atomic+0x150/0x150
[  291.359225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.364782]  ? __hrtimer_init+0xdb/0x240
[  291.368863]  ? lock_acquire+0x1ed/0x520
[  291.372842]  ? ext4_filemap_fault+0x7a/0xad
[  291.377190]  ? lock_release+0xa00/0xa00
[  291.381183]  ? perf_trace_sched_process_exec+0x860/0x860
[  291.386646]  ? print_usage_bug+0xc0/0xc0
[  291.390711]  ? print_usage_bug+0xc0/0xc0
[  291.394791]  ? down_read+0x8d/0x120
[  291.398416]  ? ext4_filemap_fault+0x7a/0xad
[  291.402739]  ? __down_interruptible+0x700/0x700
[  291.407421]  ext4_filemap_fault+0x82/0xad
[  291.411575]  __do_fault+0x100/0x6b0
[  291.415209]  ? find_held_lock+0x36/0x1c0
[  291.419279]  ? pmd_devmap_trans_unstable+0x220/0x220
[  291.424392]  ? mark_held_locks+0x130/0x130
[  291.428634]  ? mark_held_locks+0x130/0x130
[  291.433394]  ? kasan_check_read+0x11/0x20
[  291.437550]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.443099]  __handle_mm_fault+0x307c/0x5920
[  291.447510]  ? perf_trace_lock+0x7a0/0x7a0
[  291.451764]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  291.456621]  ? __switch_to_asm+0x34/0x70
[  291.460691]  ? __switch_to_asm+0x34/0x70
[  291.464771]  ? zap_class+0x640/0x640
[  291.468484]  ? zap_class+0x640/0x640
[  291.472206]  ? __x64_sys_futex+0x53e/0x6a0
[  291.476459]  ? find_held_lock+0x36/0x1c0
[  291.480546]  ? handle_mm_fault+0x42a/0xc70
[  291.484810]  ? lock_downgrade+0x900/0x900
[  291.488967]  ? check_preemption_disabled+0x48/0x280
[  291.493996]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  291.498938]  ? kasan_check_read+0x11/0x20
[  291.503093]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.508374]  ? rcu_softirq_qs+0x20/0x20
[  291.512348]  ? trace_hardirqs_off_caller+0x310/0x310
[  291.517457]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.522999]  ? check_preemption_disabled+0x48/0x280
[  291.528029]  handle_mm_fault+0x54f/0xc70
[  291.532098]  ? __handle_mm_fault+0x5920/0x5920
[  291.536692]  ? find_vma+0x34/0x190
[  291.540240]  __do_page_fault+0x5e8/0xe60
[  291.544306]  ? trace_hardirqs_off+0xb8/0x310
[  291.548731]  do_page_fault+0xf2/0x7e0
[  291.552538]  ? vmalloc_sync_all+0x30/0x30
[  291.556690]  ? error_entry+0x70/0xd0
[  291.560409]  ? trace_hardirqs_off_caller+0xbb/0x310
[  291.565426]  ? trace_hardirqs_on_caller+0xc0/0x310
[  291.570361]  ? syscall_return_slowpath+0x5e0/0x5e0
[  291.575290]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.580138]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.585161]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  291.590643]  ? prepare_exit_to_usermode+0x291/0x3b0
[  291.595668]  ? page_fault+0x8/0x30
[  291.599213]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.604064]  ? page_fault+0x8/0x30
[  291.607612]  page_fault+0x1e/0x30
[  291.611070] RIP: 0033:0x40f9c0
[  291.614278] Code: Bad RIP value.
[  291.617637] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  291.622998] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  291.630268] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  291.637538] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  291.644805] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  291.652071] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  291.659374] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  291.659439] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  291.666391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  291.666396] Call Trace:
[  291.666403]  <IRQ>
[  291.666425]  dump_stack+0x244/0x39d
[  291.666449]  ? dump_stack_print_info.cold.1+0x20/0x20
[  291.672976] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  291.682276]  warn_alloc.cold.117+0xb7/0x1bd
[  291.684829] syz-fuzzer cpuset=
[  291.686974]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  291.690575] /
[  291.695762]  ? lock_downgrade+0x900/0x900
[  291.705964]  mems_allowed=0
[  291.710279]  ? trace_hardirqs_off+0xb8/0x310
[  291.731428]  ? trace_hardirqs_off+0xb8/0x310
[  291.735854]  __alloc_pages_slowpath+0x2660/0x2d70
[  291.740730]  ? warn_alloc+0x120/0x120
[  291.744544]  ? warn_alloc+0x120/0x120
[  291.748349]  ? print_usage_bug+0xc0/0xc0
[  291.752411]  ? warn_alloc+0x120/0x120
[  291.756233]  ? print_usage_bug+0xc0/0xc0
[  291.760301]  ? __lock_acquire+0x62f/0x4c20
[  291.764540]  ? __lock_acquire+0x62f/0x4c20
[  291.768782]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.774320]  ? should_fail+0x22d/0xd01
[  291.778216]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.783338]  ? __lock_acquire+0x62f/0x4c20
[  291.787581]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.792683]  ? __lock_acquire+0x62f/0x4c20
[  291.796914]  ? should_fail+0x22d/0xd01
[  291.800803]  ? find_held_lock+0x36/0x1c0
[  291.804877]  ? mark_held_locks+0x130/0x130
[  291.809115]  ? mark_held_locks+0x130/0x130
[  291.813353]  ? zap_class+0x640/0x640
[  291.817067]  ? zap_class+0x640/0x640
[  291.820782]  ? print_usage_bug+0xc0/0xc0
[  291.824841]  ? do_raw_spin_unlock+0xa7/0x330
[  291.829251]  ? zap_class+0x640/0x640
[  291.832967]  ? print_usage_bug+0xc0/0xc0
[  291.837030]  ? wq_watchdog_touch+0x9c/0xfe
[  291.841268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.846807]  ? check_preemption_disabled+0x48/0x280
[  291.851835]  ? __lock_is_held+0xb5/0x140
[  291.855903]  __alloc_pages_nodemask+0xa80/0xde0
[  291.860573]  ? zap_class+0x640/0x640
[  291.864291]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  291.869321]  ? find_held_lock+0x36/0x1c0
[  291.873399]  ? ____cache_alloc_node+0x1c7/0x1e0
[  291.878078]  ? lock_downgrade+0x900/0x900
[  291.882233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.887779]  cache_grow_begin+0xa5/0x8c0
[  291.891839]  ? do_raw_spin_unlock+0xa7/0x330
[  291.896256]  fallback_alloc+0x204/0x2e0
[  291.900236]  ____cache_alloc_node+0x1c7/0x1e0
[  291.904739]  kmem_cache_alloc_node+0xe3/0x730
[  291.909238]  ? ipv6_get_ifaddr+0x42e/0x620
[  291.913483]  __alloc_skb+0x119/0x770
[  291.917206]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.922490]  ? netdev_alloc_frag+0x1f0/0x1f0
[  291.926898]  ? lock_downgrade+0x900/0x900
[  291.931055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.936595]  ? refcount_sub_and_test_checked+0x203/0x310
[  291.942053]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  291.947508]  ? addrconf_rs_timer+0x690/0x690
[  291.951930]  ndisc_alloc_skb+0x144/0x340
[  291.955996]  ndisc_send_rs+0x331/0x6e0
[  291.959893]  addrconf_rs_timer+0x314/0x690
[  291.964132]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.968381]  call_timer_fn+0x272/0x920
[  291.972273]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.976510]  ? process_timeout+0x40/0x40
[  291.980583]  ? __run_timers+0x7da/0xc70
[  291.984563]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.989059]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.993552]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.997793]  ? lockdep_hardirqs_on+0x296/0x5b0
[  292.002382]  ? trace_hardirqs_on+0xbd/0x310
[  292.006702]  ? kasan_check_read+0x11/0x20
[  292.010855]  ? __run_timers+0x7da/0xc70
[  292.014830]  ? trace_hardirqs_off_caller+0x310/0x310
[  292.019937]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.024188]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.028424]  __run_timers+0x7e5/0xc70
[  292.032246]  ? timer_fixup_init+0x70/0x70
[  292.036397]  ? kasan_check_read+0x11/0x20
[  292.040549]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.045838]  ? rcu_softirq_qs+0x20/0x20
[  292.049814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.055351]  ? check_preemption_disabled+0x48/0x280
[  292.060379]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  292.065143]  ? retint_kernel+0x2d/0x2d
[  292.069043]  ? trace_hardirqs_on_caller+0xc0/0x310
[  292.073974]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  292.078737]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  292.084201]  ? zap_class+0x640/0x640
[  292.087923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.093488]  ? check_preemption_disabled+0x48/0x280
[  292.098518]  ? __lock_is_held+0xb5/0x140
[  292.102583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.108121]  ? check_preemption_disabled+0x48/0x280
[  292.113147]  run_timer_softirq+0x52/0xb0
[  292.117216]  ? rcu_read_lock_sched_held+0x14f/0x180
[  292.122237]  __do_softirq+0x308/0xb7e
[  292.126041]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  292.130537]  ? lock_downgrade+0x900/0x900
[  292.134690]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  292.139802]  ? pvclock_read_flags+0x160/0x160
[  292.144311]  ? lapic_next_event+0x5a/0x90
[  292.148466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.154013]  ? kvm_clock_read+0x18/0x30
[  292.157987]  ? kvm_sched_clock_read+0x9/0x20
[  292.162399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.167944]  ? check_preemption_disabled+0x48/0x280
[  292.172976]  irq_exit+0x17f/0x1c0
[  292.176435]  smp_apic_timer_interrupt+0x1cb/0x760
[  292.181278]  ? smp_call_function_single_interrupt+0x159/0x650
[  292.187164]  ? smp_call_function_single_interrupt+0x650/0x650
[  292.193060]  ? interrupt_entry+0xb5/0xc0
[  292.197128]  ? trace_hardirqs_off_caller+0xbb/0x310
[  292.202145]  ? trace_hardirqs_off_caller+0xbb/0x310
[  292.207182]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.212032]  ? trace_hardirqs_on_caller+0x310/0x310
[  292.217049]  ? trace_hardirqs_on_caller+0x310/0x310
[  292.222069]  ? task_prio+0x50/0x50
[  292.225611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.231150]  ? check_preemption_disabled+0x48/0x280
[  292.236187]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.241049]  apic_timer_interrupt+0xf/0x20
[  292.245280]  </IRQ>
[  292.247519] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  292.252453] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  292.271352] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  292.279062] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  292.286330] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  292.293599] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  292.300866] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  292.308219] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  292.315535]  skb_clone+0x1bb/0x500
[  292.319083]  ? skb_split+0x11e0/0x11e0
[  292.322975]  ? check_preemption_disabled+0x48/0x280
[  292.328003]  ? __this_cpu_preempt_check+0x1c/0x20
[  292.332850]  ? __bpf_redirect+0x54b/0xb20
[  292.337017]  bpf_clone_redirect+0xb9/0x490
[  292.341269]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  292.346292]  ? __sched_text_start+0x8/0x8
[  292.350452]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  292.355219]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  292.359802]  ? retint_kernel+0x2d/0x2d
[  292.363696]  ? find_held_lock+0x36/0x1c0
[  292.367766]  ? lock_acquire+0x1ed/0x520
[  292.371741]  ? bpf_test_run+0x3cb/0x780
[  292.375716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.381255]  ? check_preemption_disabled+0x48/0x280
[  292.386284]  ? kasan_check_read+0x11/0x20
[  292.390447]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.395732]  ? rcu_softirq_qs+0x20/0x20
[  292.399712]  ? preempt_schedule+0x4d/0x60
[  292.403868]  ? ___preempt_schedule+0x16/0x18
[  292.408296]  ? bpf_test_run+0x25d/0x780
[  292.412289]  ? netlink_diag_dump+0x2a0/0x2a0
[  292.416705]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.422241]  ? bpf_test_init.isra.10+0x70/0x100
[  292.426917]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  292.431863]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  292.436708]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  292.442251]  ? fput+0x130/0x1a0
[  292.445537]  ? __bpf_prog_get+0x9b/0x290
[  292.449605]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  292.454452]  ? bpf_prog_test_run+0x130/0x1a0
[  292.458871]  ? __x64_sys_bpf+0x3d8/0x520
[  292.462933]  ? bpf_prog_get+0x20/0x20
[  292.466756]  ? do_syscall_64+0x1b9/0x820
[  292.470821]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  292.476197]  ? syscall_return_slowpath+0x5e0/0x5e0
[  292.481147]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.485999]  ? trace_hardirqs_on_caller+0x310/0x310
[  292.491019]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  292.496038]  ? prepare_exit_to_usermode+0x291/0x3b0
[  292.501066]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.505925]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  292.511311] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  292.511317] warn_alloc_show_mem: 1 callbacks suppressed
[  292.511324] Mem-Info:
[  292.517991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  292.523360] active_anon:56297 inactive_anon:436 isolated_anon:0
[  292.523360]  active_file:15 inactive_file:14 isolated_file:0
[  292.523360]  unevictable:0 dirty:0 writeback:0 unstable:0
[  292.523360]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  292.523360]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  292.523360]  free:13786 free_pcp:429 free_cma:0
[  292.525736] Call Trace:
[  292.535128] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  292.568074]  <IRQ>
[  292.570652] Node 0 
[  292.598410]  dump_stack+0x244/0x39d
[  292.600555] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  292.602763]  ? dump_stack_print_info.cold.1+0x20/0x20
[  292.606367] lowmem_reserve[]:
[  292.631885]  warn_alloc.cold.117+0xb7/0x1bd
[  292.637043]  0
[  292.640140]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  292.644428]  2818 6321
[  292.646238]  ? lock_downgrade+0x900/0x900
[  292.651054]  6321
[  292.653550]  ? trace_hardirqs_off+0xb8/0x310
[  292.659733]  ? trace_hardirqs_off+0xb8/0x310
[  292.664119] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  292.668553]  __alloc_pages_slowpath+0x2660/0x2d70
[  292.668596]  ? warn_alloc+0x120/0x120
[  292.695871] lowmem_reserve[]:
[  292.700713]  ? warn_alloc+0x120/0x120
[  292.704477]  0 0
[  292.707586]  ? print_usage_bug+0xc0/0xc0
[  292.711359]  3503
[  292.713335]  ? warn_alloc+0x120/0x120
[  292.717369]  3503
[  292.719432]  ? print_usage_bug+0xc0/0xc0
[  292.725274]  ? __lock_acquire+0x62f/0x4c20
[  292.729311] Node 0 
[  292.733538]  ? __lock_acquire+0x62f/0x4c20
[  292.733574] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  292.735779]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.739990] lowmem_reserve[]:
[  292.768438]  ? should_fail+0x22d/0xd01
[  292.773954]  0
[  292.777056]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.780921]  0
[  292.782723]  ? __lock_acquire+0x62f/0x4c20
[  292.787798]  0
[  292.789595]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.793805]  0
[  292.795601]  ? __lock_acquire+0x62f/0x4c20
[  292.802478]  ? should_fail+0x22d/0xd01
[  292.806691] Node 0 
[  292.810571]  ? find_held_lock+0x36/0x1c0
[  292.810574] DMA: 1*4kB 
[  292.812815]  ? mark_held_locks+0x130/0x130
[  292.816847] (U) 
[  292.819426]  ? mark_held_locks+0x130/0x130
[  292.823642] 0*8kB 
[  292.825618]  ? zap_class+0x640/0x640
[  292.829828] 0*16kB 
[  292.831970]  ? zap_class+0x640/0x640
[  292.835659] 1*32kB 
[  292.837887]  ? print_usage_bug+0xc0/0xc0
[  292.841572] (U) 2*64kB 
[  292.843817]  ? do_raw_spin_unlock+0xa7/0x330
[  292.847855] (U) 
[  292.850433]  ? zap_class+0x640/0x640
[  292.854820] 1*128kB 
[  292.856793]  ? print_usage_bug+0xc0/0xc0
[  292.860503] (U) 
[  292.862826]  ? wq_watchdog_touch+0x9c/0xfe
[  292.866861] 1*256kB 
[  292.868835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.873043] (U) 
[  292.875365]  ? check_preemption_disabled+0x48/0x280
[  292.880875] 0*512kB 
[  292.882850]  ? __lock_is_held+0xb5/0x140
[  292.887838] 1*1024kB 
[  292.890158]  __alloc_pages_nodemask+0xa80/0xde0
[  292.894195] (U) 
[  292.896599]  ? zap_class+0x640/0x640
[  292.901243] 1*2048kB 
[  292.903216]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  292.906904] (M) 
[  292.909319]  ? find_held_lock+0x36/0x1c0
[  292.914305] 3*4096kB 
[  292.916281]  ? ____cache_alloc_node+0x1c7/0x1e0
[  292.920311] (M) 
[  292.922715]  ? lock_downgrade+0x900/0x900
[  292.927363] = 15908kB
[  292.929334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.933459] Node 0 
[  292.935867]  cache_grow_begin+0xa5/0x8c0
[  292.941380] DMA32: 
[  292.943611]  ? do_raw_spin_unlock+0xa7/0x330
[  292.947649] 5*4kB 
[  292.949883]  fallback_alloc+0x204/0x2e0
[  292.954267] (UM) 
[  292.956420]  ____cache_alloc_node+0x1c7/0x1e0
[  292.960372] 1*8kB 
[  292.962429]  kmem_cache_alloc_node+0xe3/0x730
[  292.966905] (U) 
[  292.969057]  ? ipv6_get_ifaddr+0x42e/0x620
[  292.973525] 2*16kB 
[  292.975505]  __alloc_skb+0x119/0x770
[  292.979705] (M) 
[  292.981946]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.985627] 1*32kB 
[  292.987599]  ? netdev_alloc_frag+0x1f0/0x1f0
[  292.992851] (M) 
[  292.995086]  ? lock_downgrade+0x900/0x900
[  292.999469] 3*64kB 
[  293.001440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.005562] (M) 
[  293.007795]  ? refcount_sub_and_test_checked+0x203/0x310
[  293.013303] 5*128kB 
[  293.015272]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  293.020693] (UM) 
[  293.023012]  ? addrconf_rs_timer+0x690/0x690
[  293.028439] 3*256kB 
[  293.030519]  ndisc_alloc_skb+0x144/0x340
[  293.034895] (M) 
[  293.037217]  ndisc_send_rs+0x331/0x6e0
[  293.041253] 4*512kB 
[  293.043231]  addrconf_rs_timer+0x314/0x690
[  293.047093] (UM) 
[  293.049415]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.053626] 3*1024kB 
[  293.055695]  call_timer_fn+0x272/0x920
[  293.059891] (UM) 
[  293.062301]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.066167] 3*2048kB 
[  293.068229]  ? process_timeout+0x40/0x40
[  293.072438] (UM) 
[  293.074848]  ? mark_held_locks+0xc7/0x130
[  293.078881] 3*4096kB 
[  293.080943]  ? _raw_spin_unlock_irq+0x27/0x80
[  293.085057] (M) 
[  293.087466]  ? _raw_spin_unlock_irq+0x27/0x80
[  293.091941] = 25244kB
[  293.093914]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.098383] Node 0 
[  293.100789]  ? lockdep_hardirqs_on+0x296/0x5b0
[  293.104998] Normal: 
[  293.107233]  ? trace_hardirqs_on+0xbd/0x310
[  293.111789] 719*4kB 
[  293.114112]  ? kasan_check_read+0x11/0x20
[  293.118405] (UMEH) 
[  293.120726]  ? __run_timers+0x7da/0xc70
[  293.124847] 258*8kB 
[  293.127082]  ? trace_hardirqs_off_caller+0x310/0x310
[  293.131048] (UME) 
[  293.133369]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.138448] 197*16kB 
[  293.140591]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.144802] (UME) 
[  293.147210]  __run_timers+0x7e5/0xc70
[  293.151412] 98*32kB (UME) 
[  293.153578]  ? timer_fixup_init+0x70/0x70
[  293.157345] 44*64kB 
[  293.160192]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  293.164312] (UM) 
[  293.166630]  ? zap_class+0x640/0x640
[  293.171620] 0*128kB 
[  293.173680]  ? print_usage_bug+0xc0/0xc0
[  293.177369] 0*256kB 
[  293.179686]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  293.183721] 0*512kB 
[  293.186040]  ? find_held_lock+0x36/0x1c0
[  293.191201] 0*1024kB 
[  293.193519]  ? zap_class+0x640/0x640
[  293.197548] 0*2048kB 0*4096kB 
[  293.199971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.203658] = 14044kB
[  293.206844]  ? check_preemption_disabled+0x48/0x280
[  293.212359] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  293.214760]  ? __lock_is_held+0xb5/0x140
[  293.219754] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  293.228576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.232614] 4793 total pagecache pages
[  293.241187]  ? check_preemption_disabled+0x48/0x280
[  293.246708] 0 pages in swap cache
[  293.250586]  run_timer_softirq+0x52/0xb0
[  293.255580] Swap cache stats: add 0, delete 0, find 0/0
[  293.259024]  ? rcu_read_lock_sched_held+0x14f/0x180
[  293.263064] Free swap  = 0kB
[  293.268417]  __do_softirq+0x308/0xb7e
[  293.273412] Total swap = 0kB
[  293.276423]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  293.280204] 1965979 pages RAM
[  293.283219]  ? lock_downgrade+0x900/0x900
[  293.287688] 0 pages HighMem/MovableOnly
[  293.290788]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  293.294915] 342867 pages reserved
[  293.299113]  ? pvclock_read_flags+0x160/0x160
[  293.304203] 0 pages cma reserved
[  293.307652]  ? lapic_next_event+0x5a/0x90
[  293.312192] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  293.315481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.319691] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  293.326091]  ? kvm_clock_read+0x18/0x30
[  293.331603] syz-executor4 cpuset=
[  293.342079]  ? kvm_sched_clock_read+0x9/0x20
[  293.346027] syz4
[  293.349479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.353867]  mems_allowed=0
[  293.355834]  ? check_preemption_disabled+0x48/0x280
[  293.369278]  irq_exit+0x17f/0x1c0
[  293.372738]  smp_apic_timer_interrupt+0x1cb/0x760
[  293.377579]  ? smp_reschedule_interrupt+0x109/0x650
[  293.382601]  ? smp_call_function_single_interrupt+0x650/0x650
[  293.388492]  ? interrupt_entry+0xb5/0xc0
[  293.392554]  ? trace_hardirqs_off_caller+0xbb/0x310
[  293.397571]  ? trace_hardirqs_off_caller+0xbb/0x310
[  293.402593]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.407435]  ? trace_hardirqs_on_caller+0x310/0x310
[  293.412450]  ? trace_hardirqs_on_caller+0x310/0x310
[  293.417470]  ? task_prio+0x50/0x50
[  293.421014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.426555]  ? check_preemption_disabled+0x48/0x280
[  293.431577]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.436437]  apic_timer_interrupt+0xf/0x20
[  293.440670]  </IRQ>
[  293.442908] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  293.448108] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  293.467009] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  293.474720] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  293.481986] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  293.489251] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  293.496520] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  293.503786] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  293.511111]  retint_kernel+0x1b/0x2d
[  293.514828] RIP: 0010:dump_stack+0x358/0x39d
[  293.519242] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  293.538145] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  293.545862] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  293.553126] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  293.560391] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  293.567659] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  293.574927] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  293.582227]  ? dump_stack+0x34f/0x39d
[  293.586039]  ? dump_stack_print_info.cold.1+0x20/0x20
[  293.591243]  dump_header+0x27b/0xf72
[  293.594972]  ? mark_held_locks+0x130/0x130
[  293.599209]  ? pagefault_out_of_memory+0x197/0x197
[  293.604146]  ? __lock_acquire+0x62f/0x4c20
[  293.608392]  ? zap_class+0x640/0x640
[  293.612114]  ? percpu_ref_get_many+0x240/0x240
[  293.616699]  ? print_usage_bug+0xc0/0xc0
[  293.620766]  ? print_usage_bug+0xc0/0xc0
[  293.624833]  ? zap_class+0x640/0x640
[  293.628554]  ? print_usage_bug+0xc0/0xc0
[  293.632615]  ? print_usage_bug+0xc0/0xc0
[  293.636685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.642227]  ? find_held_lock+0x36/0x1c0
[  293.646303]  ? mark_held_locks+0xc7/0x130
[  293.650457]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  293.655562]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  293.660668]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  293.665253]  ? trace_hardirqs_on+0xbd/0x310
[  293.669580]  ? kasan_check_read+0x11/0x20
[  293.673729]  ? ___ratelimit+0x3b4/0x672
[  293.677709]  ? trace_hardirqs_off_caller+0x310/0x310
[  293.682813]  ? trace_hardirqs_on+0x310/0x310
[  293.687222]  ? lock_downgrade+0x900/0x900
[  293.691394]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  293.696496]  ? ___ratelimit+0x3b9/0x672
[  293.700473]  ? idr_get_free+0xec0/0xec0
[  293.704450]  ? find_held_lock+0x36/0x1c0
[  293.708523]  oom_kill_process.cold.27+0x10/0x903
[  293.713291]  ? zap_class+0x640/0x640
[  293.717007]  ? check_preemption_disabled+0x48/0x280
[  293.722032]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  293.726966]  ? kasan_check_read+0x11/0x20
[  293.731121]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.736406]  ? oom_evaluate_task+0x540/0x540
[  293.740824]  ? find_held_lock+0x36/0x1c0
[  293.744896]  ? out_of_memory+0x974/0x1430
[  293.749044]  ? lock_downgrade+0x900/0x900
[  293.753198]  ? check_preemption_disabled+0x48/0x280
[  293.758227]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  293.763155]  ? kasan_check_read+0x11/0x20
[  293.767314]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.772598]  ? rcu_softirq_qs+0x20/0x20
[  293.776598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.782134]  ? oom_evaluate_task+0x302/0x540
[  293.786548]  out_of_memory+0xa84/0x1430
[  293.790537]  ? oom_killer_disable+0x3a0/0x3a0
[  293.795035]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  293.799977]  ? __mutex_add_waiter+0x2a0/0x2a0
[  293.804490]  __alloc_pages_slowpath+0x22d4/0x2d70
[  293.809363]  ? warn_alloc+0x120/0x120
[  293.813164]  ? rcu_softirq_qs+0x20/0x20
[  293.817189]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.822730]  ? should_fail+0x22d/0xd01
[  293.826624]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.831731]  ? zap_class+0x640/0x640
[  293.835472]  ? __lock_is_held+0xb5/0x140
[  293.839548]  ? mark_held_locks+0x130/0x130
[  293.843789]  ? lock_release+0xa00/0xa00
[  293.847763]  ? perf_trace_sched_process_exec+0x860/0x860
[  293.853230]  ? __might_sleep+0x95/0x190
[  293.857219]  __alloc_pages_nodemask+0xa80/0xde0
[  293.861894]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  293.866915]  ? __page_cache_alloc+0x191/0x5c0
[  293.871414]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  293.876348]  ? kasan_check_read+0x11/0x20
[  293.880502]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.885784]  ? zap_class+0x640/0x640
[  293.889511]  ? zap_class+0x640/0x640
[  293.893225]  ? zap_class+0x640/0x640
[  293.896943]  ? __do_page_cache_readahead+0x7ce/0x980
[  293.902056]  ? find_held_lock+0x36/0x1c0
[  293.906122]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  293.911672]  alloc_pages_current+0x173/0x350
[  293.916108]  __page_cache_alloc+0x38c/0x5c0
[  293.920431]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  293.925364]  ? kasan_check_read+0x11/0x20
[  293.929519]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.934802]  ? generic_perform_write+0x6a0/0x6a0
[  293.939561]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.945102]  ? check_preemption_disabled+0x48/0x280
[  293.950127]  filemap_fault+0x1594/0x25f0
[  293.954209]  ? __lock_page_or_retry+0xa00/0xa00
[  293.958882]  ? mark_held_locks+0x130/0x130
[  293.963123]  ? rcu_softirq_qs+0x20/0x20
[  293.967115]  ? filemap_map_pages+0xe04/0x1990
[  293.971626]  ? __free_object+0x173/0x340
[  293.975689]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  293.980624]  ? trace_hardirqs_off_caller+0x310/0x310
[  293.985728]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  293.990409]  ? debug_object_free+0x32d/0x690
[  293.994819]  ? kasan_check_read+0x11/0x20
[  293.998972]  ? debug_object_destroy+0x2b0/0x2b0
[  294.003645]  ? lock_pi_update_atomic+0x150/0x150
[  294.008399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.013940]  ? __hrtimer_init+0xdb/0x240
[  294.018015]  ? lock_acquire+0x1ed/0x520
[  294.021992]  ? ext4_filemap_fault+0x7a/0xad
[  294.026319]  ? lock_release+0xa00/0xa00
[  294.030291]  ? perf_trace_sched_process_exec+0x860/0x860
[  294.035742]  ? print_usage_bug+0xc0/0xc0
[  294.039807]  ? print_usage_bug+0xc0/0xc0
[  294.043883]  ? down_read+0x8d/0x120
[  294.047510]  ? ext4_filemap_fault+0x7a/0xad
[  294.051831]  ? __down_interruptible+0x700/0x700
[  294.056510]  ext4_filemap_fault+0x82/0xad
[  294.060661]  __do_fault+0x100/0x6b0
[  294.064288]  ? find_held_lock+0x36/0x1c0
[  294.068357]  ? pmd_devmap_trans_unstable+0x220/0x220
[  294.073465]  ? mark_held_locks+0x130/0x130
[  294.077700]  ? mark_held_locks+0x130/0x130
[  294.081955]  ? kasan_check_read+0x11/0x20
[  294.086105]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.091651]  __handle_mm_fault+0x307c/0x5920
[  294.096060]  ? perf_trace_lock+0x7a0/0x7a0
[  294.100309]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  294.105165]  ? __switch_to_asm+0x34/0x70
[  294.109237]  ? __switch_to_asm+0x34/0x70
[  294.113313]  ? zap_class+0x640/0x640
[  294.117027]  ? zap_class+0x640/0x640
[  294.120739]  ? __x64_sys_futex+0x53e/0x6a0
[  294.124981]  ? find_held_lock+0x36/0x1c0
[  294.129055]  ? handle_mm_fault+0x42a/0xc70
[  294.133293]  ? lock_downgrade+0x900/0x900
[  294.137438]  ? check_preemption_disabled+0x48/0x280
[  294.142465]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  294.147399]  ? kasan_check_read+0x11/0x20
[  294.151550]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.156833]  ? rcu_softirq_qs+0x20/0x20
[  294.160807]  ? trace_hardirqs_off_caller+0x310/0x310
[  294.165917]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.171458]  ? check_preemption_disabled+0x48/0x280
[  294.176483]  handle_mm_fault+0x54f/0xc70
[  294.180553]  ? __handle_mm_fault+0x5920/0x5920
[  294.185140]  ? find_vma+0x34/0x190
[  294.188696]  __do_page_fault+0x5e8/0xe60
[  294.192756]  ? trace_hardirqs_off+0xb8/0x310
[  294.197182]  do_page_fault+0xf2/0x7e0
[  294.200991]  ? vmalloc_sync_all+0x30/0x30
[  294.205141]  ? error_entry+0x70/0xd0
[  294.208865]  ? trace_hardirqs_off_caller+0xbb/0x310
[  294.213884]  ? trace_hardirqs_on_caller+0xc0/0x310
[  294.218814]  ? syscall_return_slowpath+0x5e0/0x5e0
[  294.223744]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.228597]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.233619]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  294.239080]  ? prepare_exit_to_usermode+0x291/0x3b0
[  294.244103]  ? page_fault+0x8/0x30
[  294.247649]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.252497]  ? page_fault+0x8/0x30
[  294.256044]  page_fault+0x1e/0x30
[  294.259495] RIP: 0033:0x40f9c0
[  294.262699] Code: Bad RIP value.
[  294.266062] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  294.271425] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  294.278696] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  294.285962] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  294.293227] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  294.300492] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  294.307793] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  294.307857] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  294.314801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  294.314810] Call Trace:
[  294.321391] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  294.330634]  <IRQ>
[  294.333207] syz-fuzzer cpuset=
[  294.343428]  dump_stack+0x244/0x39d
[  294.345549] /
[  294.348740]  ? dump_stack_print_info.cold.1+0x20/0x20
[  294.352345]  mems_allowed=0
[  294.354062]  warn_alloc.cold.117+0xb7/0x1bd
[  294.366484]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  294.371331]  ? lock_downgrade+0x900/0x900
[  294.375490]  ? trace_hardirqs_off+0xb8/0x310
[  294.379907]  ? trace_hardirqs_off+0xb8/0x310
[  294.384334]  __alloc_pages_slowpath+0x2660/0x2d70
[  294.389219]  ? warn_alloc+0x120/0x120
[  294.393032]  ? warn_alloc+0x120/0x120
[  294.396837]  ? print_usage_bug+0xc0/0xc0
[  294.400897]  ? warn_alloc+0x120/0x120
[  294.404700]  ? print_usage_bug+0xc0/0xc0
[  294.408764]  ? __lock_acquire+0x62f/0x4c20
[  294.413005]  ? __lock_acquire+0x62f/0x4c20
[  294.417246]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.422786]  ? should_fail+0x22d/0xd01
[  294.426676]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.432219]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.437324]  ? __lock_acquire+0x62f/0x4c20
[  294.441567]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.446668]  ? __lock_acquire+0x62f/0x4c20
[  294.450898]  ? should_fail+0x22d/0xd01
[  294.454785]  ? rcu_irq_exit+0x1a2/0x390
[  294.458771]  ? mark_held_locks+0x130/0x130
[  294.463012]  ? mark_held_locks+0x130/0x130
[  294.467255]  ? mark_held_locks+0xc7/0x130
[  294.471401]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  294.476428]  ? zap_class+0x640/0x640
[  294.480150]  ? print_usage_bug+0xc0/0xc0
[  294.484227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.489770]  ? check_preemption_disabled+0x48/0x280
[  294.494803]  ? __lock_is_held+0xb5/0x140
[  294.498875]  __alloc_pages_nodemask+0xa80/0xde0
[  294.503553]  ? zap_class+0x640/0x640
[  294.507283]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  294.512315]  ? find_held_lock+0x36/0x1c0
[  294.516393]  ? ____cache_alloc_node+0x1c7/0x1e0
[  294.521066]  ? lock_downgrade+0x900/0x900
[  294.525225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.530777]  cache_grow_begin+0xa5/0x8c0
[  294.534844]  ? do_raw_spin_unlock+0xa7/0x330
[  294.539266]  fallback_alloc+0x204/0x2e0
[  294.543251]  ____cache_alloc_node+0x1c7/0x1e0
[  294.547756]  kmem_cache_alloc_node+0xe3/0x730
[  294.552271]  ? ipv6_get_ifaddr+0x42e/0x620
[  294.556521]  __alloc_skb+0x119/0x770
[  294.560242]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.565523]  ? netdev_alloc_frag+0x1f0/0x1f0
[  294.569936]  ? lock_downgrade+0x900/0x900
[  294.574099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.579641]  ? refcount_sub_and_test_checked+0x203/0x310
[  294.585105]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  294.590562]  ? addrconf_rs_timer+0x690/0x690
[  294.594984]  ndisc_alloc_skb+0x144/0x340
[  294.599052]  ndisc_send_rs+0x331/0x6e0
[  294.602947]  addrconf_rs_timer+0x314/0x690
[  294.607198]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.611456]  call_timer_fn+0x272/0x920
[  294.615353]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.619601]  ? process_timeout+0x40/0x40
[  294.623675]  ? __run_timers+0x7da/0xc70
[  294.627659]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.632160]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.636676]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.640921]  ? lockdep_hardirqs_on+0x296/0x5b0
[  294.645512]  ? trace_hardirqs_on+0xbd/0x310
[  294.649842]  ? kasan_check_read+0x11/0x20
[  294.654001]  ? __run_timers+0x7da/0xc70
[  294.658014]  ? trace_hardirqs_off_caller+0x310/0x310
[  294.663131]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.667375]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.671615]  __run_timers+0x7e5/0xc70
[  294.675442]  ? timer_fixup_init+0x70/0x70
[  294.679599]  ? kasan_check_read+0x11/0x20
[  294.683760]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.689043]  ? rcu_softirq_qs+0x20/0x20
[  294.693022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.698560]  ? check_preemption_disabled+0x48/0x280
[  294.703588]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  294.708351]  ? retint_kernel+0x2d/0x2d
[  294.712243]  ? trace_hardirqs_on_caller+0xc0/0x310
[  294.717211]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  294.721974]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  294.727440]  ? zap_class+0x640/0x640
[  294.731161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.736712]  ? check_preemption_disabled+0x48/0x280
[  294.741748]  ? __lock_is_held+0xb5/0x140
[  294.745816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.751358]  ? check_preemption_disabled+0x48/0x280
[  294.756387]  run_timer_softirq+0x52/0xb0
[  294.760467]  ? rcu_read_lock_sched_held+0x14f/0x180
[  294.765487]  __do_softirq+0x308/0xb7e
[  294.769296]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  294.773794]  ? lock_downgrade+0x900/0x900
[  294.777947]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  294.783062]  ? pvclock_read_flags+0x160/0x160
[  294.787570]  ? lapic_next_event+0x5a/0x90
[  294.791723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.797274]  ? kvm_clock_read+0x18/0x30
[  294.801257]  ? kvm_sched_clock_read+0x9/0x20
[  294.805676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.811216]  ? check_preemption_disabled+0x48/0x280
[  294.816250]  irq_exit+0x17f/0x1c0
[  294.819712]  smp_apic_timer_interrupt+0x1cb/0x760
[  294.824566]  ? smp_call_function_single_interrupt+0x159/0x650
[  294.830464]  ? smp_call_function_single_interrupt+0x650/0x650
[  294.836359]  ? interrupt_entry+0xb5/0xc0
[  294.840426]  ? trace_hardirqs_off_caller+0xbb/0x310
[  294.845461]  ? trace_hardirqs_off_caller+0xbb/0x310
[  294.850484]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.855337]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.860358]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.865381]  ? task_prio+0x50/0x50
[  294.868931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.874476]  ? check_preemption_disabled+0x48/0x280
[  294.879503]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.884361]  apic_timer_interrupt+0xf/0x20
[  294.888594]  </IRQ>
[  294.890834] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  294.895767] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  294.914679] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  294.922402] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  294.929679] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  294.936954] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  294.944230] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  294.951499] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  294.958821]  skb_clone+0x1bb/0x500
[  294.962370]  ? skb_split+0x11e0/0x11e0
[  294.966262]  ? check_preemption_disabled+0x48/0x280
[  294.971291]  ? __this_cpu_preempt_check+0x1c/0x20
[  294.976142]  ? __bpf_redirect+0x54b/0xb20
[  294.980312]  bpf_clone_redirect+0xb9/0x490
[  294.984560]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  294.989587]  ? __sched_text_start+0x8/0x8
[  294.993741]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  294.998522]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  295.003111]  ? retint_kernel+0x2d/0x2d
[  295.007007]  ? find_held_lock+0x36/0x1c0
[  295.011079]  ? lock_acquire+0x1ed/0x520
[  295.015058]  ? bpf_test_run+0x3cb/0x780
[  295.019037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.024579]  ? check_preemption_disabled+0x48/0x280
[  295.029605]  ? kasan_check_read+0x11/0x20
[  295.033759]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.039042]  ? rcu_softirq_qs+0x20/0x20
[  295.043020]  ? preempt_schedule+0x4d/0x60
[  295.047184]  ? ___preempt_schedule+0x16/0x18
[  295.051612]  ? bpf_test_run+0x25d/0x780
[  295.055605]  ? netlink_diag_dump+0x2a0/0x2a0
[  295.060022]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.065566]  ? bpf_test_init.isra.10+0x70/0x100
[  295.070267]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  295.075046]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  295.079900]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  295.085458]  ? fput+0x130/0x1a0
[  295.088755]  ? __bpf_prog_get+0x9b/0x290
[  295.092834]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  295.097705]  ? bpf_prog_test_run+0x130/0x1a0
[  295.102132]  ? __x64_sys_bpf+0x3d8/0x520
[  295.106214]  ? bpf_prog_get+0x20/0x20
[  295.110046]  ? do_syscall_64+0x1b9/0x820
[  295.114118]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  295.119498]  ? syscall_return_slowpath+0x5e0/0x5e0
[  295.124443]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.129302]  ? trace_hardirqs_on_caller+0x310/0x310
[  295.134332]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  295.139360]  ? prepare_exit_to_usermode+0x291/0x3b0
[  295.144389]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.149250]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  295.154635] warn_alloc_show_mem: 1 callbacks suppressed
[  295.154647] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  295.154649] Mem-Info:
[  295.154680] active_anon:56297 inactive_anon:436 isolated_anon:0
[  295.154680]  active_file:15 inactive_file:14 isolated_file:0
[  295.154680]  unevictable:0 dirty:0 writeback:0 unstable:0
[  295.154680]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  295.154680]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  295.154680]  free:13786 free_pcp:429 free_cma:0
[  295.160018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  295.160027] Call Trace:
[  295.166703] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  295.169102]  <IRQ>
[  295.202070] Node 0 
[  295.211441]  dump_stack+0x244/0x39d
[  295.214025] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  295.241770]  ? dump_stack_print_info.cold.1+0x20/0x20
[  295.243900] lowmem_reserve[]:
[  295.246142]  warn_alloc.cold.117+0xb7/0x1bd
[  295.249738]  0
[  295.275250]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  295.280420]  2818
[  295.283526]  ? lock_downgrade+0x900/0x900
[  295.287825]  6321
[  295.289629]  ? trace_hardirqs_off+0xb8/0x310
[  295.294440]  6321
[  295.296516]  ? trace_hardirqs_off+0xb8/0x310
[  295.301103] Node 0 
[  295.303183]  __alloc_pages_slowpath+0x2660/0x2d70
[  295.307581] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  295.309644]  ? warn_alloc+0x120/0x120
[  295.313999] lowmem_reserve[]:
[  295.316234]  ? warn_alloc+0x120/0x120
[  295.321052]  0
[  295.347782]  ? print_usage_bug+0xc0/0xc0
[  295.351560]  0
[  295.354660]  ? warn_alloc+0x120/0x120
[  295.358428]  3503 3503
[  295.360236]  ? print_usage_bug+0xc0/0xc0
[  295.366071]  ? __lock_acquire+0x62f/0x4c20
[  295.369847] Node 0 
[  295.372343]  ? __lock_acquire+0x62f/0x4c20
[  295.376409] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  295.380619]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.382826] lowmem_reserve[]: 0
[  295.387064]  ? should_fail+0x22d/0xd01
[  295.415508]  0
[  295.421053]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.424304]  0
[  295.428192]  ? __lock_acquire+0x62f/0x4c20
[  295.429974]  0
[  295.435074]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.441089]  ? __lock_acquire+0x62f/0x4c20
[  295.442870] Node 0 
[  295.447967]  ? should_fail+0x22d/0xd01
[  295.447995]  ? mark_held_locks+0x130/0x130
[  295.452198] DMA: 1*4kB 
[  295.454441]  ? mark_held_locks+0x130/0x130
[  295.458306] (U) 
[  295.462552]  ? zap_class+0x640/0x640
[  295.465098] 0*8kB 0*16kB 
[  295.469339]  ? print_usage_bug+0xc0/0xc0
[  295.471294] 1*32kB 
[  295.475002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.477731] (U) 
[  295.481788]  ? check_preemption_disabled+0x48/0x280
[  295.483994] 2*64kB (U) 
[  295.489540]  ? __lock_is_held+0xb5/0x140
[  295.491494] 1*128kB 
[  295.496510]  __alloc_pages_nodemask+0xa80/0xde0
[  295.499064] (U) 
[  295.503127]  ? zap_class+0x640/0x640
[  295.505423] 1*256kB (U) 
[  295.510112]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  295.512060] 0*512kB 1*1024kB 
[  295.515790]  ? find_held_lock+0x36/0x1c0
[  295.518429] (U) 
[  295.523457]  ? ____cache_alloc_node+0x1c7/0x1e0
[  295.526556] 1*2048kB 
[  295.530616]  ? lock_downgrade+0x900/0x900
[  295.532569] (M) 
[  295.537242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.539629] 3*4096kB 
[  295.543789]  cache_grow_begin+0xa5/0x8c0
[  295.545741] (M) 
[  295.551280]  ? do_raw_spin_unlock+0xa7/0x330
[  295.553667] = 15908kB
[  295.557728]  fallback_alloc+0x204/0x2e0
[  295.559676] Node 0 
[  295.564084]  ____cache_alloc_node+0x1c7/0x1e0
[  295.566487] DMA32: 
[  295.570457]  kmem_cache_alloc_node+0xe3/0x730
[  295.572672] 5*4kB 
[  295.577166]  ? ipv6_get_ifaddr+0x42e/0x620
[  295.579385] (UM) 
[  295.583880]  __alloc_skb+0x119/0x770
[  295.585999] 1*8kB 
[  295.590232]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.592268] (U) 
[  295.596007]  ? netdev_alloc_frag+0x1f0/0x1f0
[  295.598128] 2*16kB 
[  295.603401]  ? lock_downgrade+0x900/0x900
[  295.605355] (M) 
[  295.609763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.611974] 1*32kB 
[  295.616118]  ? refcount_sub_and_test_checked+0x203/0x310
[  295.618070] (M) 
[  295.623602]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  295.625812] 3*64kB 
[  295.631257]  ? addrconf_rs_timer+0x690/0x690
[  295.633205] (M) 
[  295.638658]  ndisc_alloc_skb+0x144/0x340
[  295.640865] 5*128kB (UM) 
[  295.645282]  ndisc_send_rs+0x331/0x6e0
[  295.647236] 3*256kB 
[  295.651292]  addrconf_rs_timer+0x314/0x690
[  295.654026] (M) 
[  295.657912]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.660210] 4*512kB 
[  295.664450]  call_timer_fn+0x272/0x920
[  295.666397] (UM) 
[  295.670632]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.672930] 3*1024kB 
[  295.676817]  ? process_timeout+0x40/0x40
[  295.678852] (UM) 
[  295.683095]  ? mark_held_locks+0xc7/0x130
[  295.685476] 3*2048kB 
[  295.689537]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.691575] (UM) 
[  295.695715]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.698104] 3*4096kB 
[  295.702595]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.704656] (M) 
[  295.709149]  ? lockdep_hardirqs_on+0x296/0x5b0
[  295.711534] = 25244kB
[  295.715764]  ? trace_hardirqs_on+0xbd/0x310
[  295.717720] Node 0 
[  295.722295]  ? kasan_check_read+0x11/0x20
[  295.722314]  ? __run_timers+0x7da/0xc70
[  295.724694] Normal: 719*4kB 
[  295.729025]  ? trace_hardirqs_off_caller+0x310/0x310
[  295.731237] (UMEH) 
[  295.735433]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.739377] 258*8kB 
[  295.742482]  __run_timers+0x7e5/0xc70
[  295.747556] (UME) 
[  295.749799]  ? timer_fixup_init+0x70/0x70
[  295.754002] 197*16kB 
[  295.756325]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  295.760126] (UME) 
[  295.762273]  ? zap_class+0x640/0x640
[  295.766391] 98*32kB (UME) 
[  295.768810]  ? print_usage_bug+0xc0/0xc0
[  295.773812] 44*64kB 
[  295.775959]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  295.779650] (UM) 
[  295.782496]  ? find_held_lock+0x36/0x1c0
[  295.786530] 0*128kB 
[  295.788857]  ? zap_class+0x640/0x640
[  295.794013] 0*256kB 0*512kB 
[  295.796086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.800116] 0*1024kB 0*2048kB 
[  295.802455]  ? check_preemption_disabled+0x48/0x280
[  295.806161] 0*4096kB 
[  295.809198]  ? __lock_is_held+0xb5/0x140
[  295.814704] = 14044kB
[  295.817894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.822890] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  295.825291]  ? check_preemption_disabled+0x48/0x280
[  295.829332] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  295.831731]  run_timer_softirq+0x52/0xb0
[  295.837267] 4793 total pagecache pages
[  295.846112]  ? rcu_read_lock_sched_held+0x14f/0x180
[  295.851107] 0 pages in swap cache
[  295.859677]  __do_softirq+0x308/0xb7e
[  295.863721] Swap cache stats: add 0, delete 0, find 0/0
[  295.867606]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  295.872606] Free swap  = 0kB
[  295.876054]  ? lock_downgrade+0x900/0x900
[  295.879836] Total swap = 0kB
[  295.885204]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  295.889672] 1965979 pages RAM
[  295.892721]  ? pvclock_read_flags+0x160/0x160
[  295.896844] 0 pages HighMem/MovableOnly
[  295.899862]  ? lapic_next_event+0x5a/0x90
[  295.904944] 342867 pages reserved
[  295.908047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.912515] 0 pages cma reserved
[  295.916485]  ? kvm_clock_read+0x18/0x30
[  295.920671] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  295.924055]  ? kvm_sched_clock_read+0x9/0x20
[  295.929684] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  295.932930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.936881] syz-executor4 cpuset=
[  295.943370]  ? check_preemption_disabled+0x48/0x280
[  295.947752] syz4
[  295.958249]  irq_exit+0x17f/0x1c0
[  295.963761]  mems_allowed=0
[  295.967213]  smp_apic_timer_interrupt+0x1cb/0x760
[  295.985392]  ? smp_reschedule_interrupt+0x109/0x650
[  295.990504]  ? smp_call_function_single_interrupt+0x650/0x650
[  295.996411]  ? interrupt_entry+0xb5/0xc0
[  296.000531]  ? trace_hardirqs_off_caller+0xbb/0x310
[  296.005562]  ? trace_hardirqs_off_caller+0xbb/0x310
[  296.010593]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.015449]  ? trace_hardirqs_on_caller+0x310/0x310
[  296.020483]  ? trace_hardirqs_on_caller+0x310/0x310
[  296.025520]  ? task_prio+0x50/0x50
[  296.029071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.034617]  ? check_preemption_disabled+0x48/0x280
[  296.039648]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.044513]  apic_timer_interrupt+0xf/0x20
[  296.048747]  </IRQ>
[  296.050992] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  296.056207] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  296.075125] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  296.082864] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  296.090149] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  296.097453] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  296.104738] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  296.112030] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  296.119356]  retint_kernel+0x1b/0x2d
[  296.123083] RIP: 0010:dump_stack+0x358/0x39d
[  296.127510] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  296.146426] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  296.154144] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  296.161421] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  296.168696] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  296.175971] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  296.183244] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  296.190544]  ? dump_stack+0x34f/0x39d
[  296.194367]  ? dump_stack_print_info.cold.1+0x20/0x20
[  296.199576]  dump_header+0x27b/0xf72
[  296.203303]  ? mark_held_locks+0x130/0x130
[  296.207550]  ? pagefault_out_of_memory+0x197/0x197
[  296.212490]  ? __lock_acquire+0x62f/0x4c20
[  296.216730]  ? zap_class+0x640/0x640
[  296.220448]  ? percpu_ref_get_many+0x240/0x240
[  296.225040]  ? print_usage_bug+0xc0/0xc0
[  296.229113]  ? print_usage_bug+0xc0/0xc0
[  296.233195]  ? zap_class+0x640/0x640
[  296.236915]  ? print_usage_bug+0xc0/0xc0
[  296.240988]  ? print_usage_bug+0xc0/0xc0
[  296.245062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.250625]  ? find_held_lock+0x36/0x1c0
[  296.254705]  ? mark_held_locks+0xc7/0x130
[  296.258863]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  296.263975]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  296.269085]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  296.273673]  ? trace_hardirqs_on+0xbd/0x310
[  296.278048]  ? kasan_check_read+0x11/0x20
[  296.282215]  ? ___ratelimit+0x3b4/0x672
[  296.286204]  ? trace_hardirqs_off_caller+0x310/0x310
[  296.291315]  ? trace_hardirqs_on+0x310/0x310
[  296.295729]  ? lock_downgrade+0x900/0x900
[  296.299890]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  296.305000]  ? ___ratelimit+0x3b9/0x672
[  296.308978]  ? idr_get_free+0xec0/0xec0
[  296.312973]  ? find_held_lock+0x36/0x1c0
[  296.317048]  oom_kill_process.cold.27+0x10/0x903
[  296.321813]  ? zap_class+0x640/0x640
[  296.325529]  ? check_preemption_disabled+0x48/0x280
[  296.330564]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  296.335500]  ? kasan_check_read+0x11/0x20
[  296.339659]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.344963]  ? oom_evaluate_task+0x540/0x540
[  296.349380]  ? find_held_lock+0x36/0x1c0
[  296.353467]  ? out_of_memory+0x974/0x1430
[  296.357643]  ? lock_downgrade+0x900/0x900
[  296.361803]  ? check_preemption_disabled+0x48/0x280
[  296.366846]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  296.371791]  ? kasan_check_read+0x11/0x20
[  296.375962]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.381265]  ? rcu_softirq_qs+0x20/0x20
[  296.385273]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.390820]  ? oom_evaluate_task+0x302/0x540
[  296.395267]  out_of_memory+0xa84/0x1430
[  296.399257]  ? oom_killer_disable+0x3a0/0x3a0
[  296.403761]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  296.408713]  ? __mutex_add_waiter+0x2a0/0x2a0
[  296.413234]  __alloc_pages_slowpath+0x22d4/0x2d70
[  296.418114]  ? warn_alloc+0x120/0x120
[  296.421919]  ? rcu_softirq_qs+0x20/0x20
[  296.425943]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.432011]  ? should_fail+0x22d/0xd01
[  296.435910]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.441032]  ? zap_class+0x640/0x640
[  296.444781]  ? __lock_is_held+0xb5/0x140
[  296.448859]  ? mark_held_locks+0x130/0x130
[  296.453099]  ? lock_release+0xa00/0xa00
[  296.457077]  ? perf_trace_sched_process_exec+0x860/0x860
[  296.462543]  ? __might_sleep+0x95/0x190
[  296.466530]  __alloc_pages_nodemask+0xa80/0xde0
[  296.471220]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  296.476248]  ? __page_cache_alloc+0x191/0x5c0
[  296.480747]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  296.485683]  ? kasan_check_read+0x11/0x20
[  296.489841]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.495127]  ? zap_class+0x640/0x640
[  296.498853]  ? zap_class+0x640/0x640
[  296.502569]  ? zap_class+0x640/0x640
[  296.506290]  ? __do_page_cache_readahead+0x7ce/0x980
[  296.511414]  ? find_held_lock+0x36/0x1c0
[  296.515497]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  296.521054]  alloc_pages_current+0x173/0x350
[  296.525485]  __page_cache_alloc+0x38c/0x5c0
[  296.529823]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  296.534764]  ? kasan_check_read+0x11/0x20
[  296.538929]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.544235]  ? generic_perform_write+0x6a0/0x6a0
[  296.549015]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.554579]  ? check_preemption_disabled+0x48/0x280
[  296.559619]  filemap_fault+0x1594/0x25f0
[  296.563700]  ? __lock_page_or_retry+0xa00/0xa00
[  296.568377]  ? mark_held_locks+0x130/0x130
[  296.572619]  ? rcu_softirq_qs+0x20/0x20
[  296.576615]  ? filemap_map_pages+0xe04/0x1990
[  296.581151]  ? __free_object+0x173/0x340
[  296.585255]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  296.590225]  ? trace_hardirqs_off_caller+0x310/0x310
[  296.595345]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  296.600045]  ? debug_object_free+0x32d/0x690
[  296.604471]  ? kasan_check_read+0x11/0x20
[  296.608637]  ? debug_object_destroy+0x2b0/0x2b0
[  296.613323]  ? lock_pi_update_atomic+0x150/0x150
[  296.618104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.623647]  ? __hrtimer_init+0xdb/0x240
[  296.627741]  ? lock_acquire+0x1ed/0x520
[  296.631723]  ? ext4_filemap_fault+0x7a/0xad
[  296.636059]  ? lock_release+0xa00/0xa00
[  296.640039]  ? perf_trace_sched_process_exec+0x860/0x860
[  296.645504]  ? print_usage_bug+0xc0/0xc0
[  296.649576]  ? print_usage_bug+0xc0/0xc0
[  296.653653]  ? down_read+0x8d/0x120
[  296.657284]  ? ext4_filemap_fault+0x7a/0xad
[  296.661609]  ? __down_interruptible+0x700/0x700
[  296.666299]  ext4_filemap_fault+0x82/0xad
[  296.670456]  __do_fault+0x100/0x6b0
[  296.674087]  ? find_held_lock+0x36/0x1c0
[  296.678155]  ? pmd_devmap_trans_unstable+0x220/0x220
[  296.683274]  ? mark_held_locks+0x130/0x130
[  296.687511]  ? mark_held_locks+0x130/0x130
[  296.691760]  ? kasan_check_read+0x11/0x20
[  296.695918]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.701467]  __handle_mm_fault+0x307c/0x5920
[  296.705879]  ? perf_trace_lock+0x7a0/0x7a0
[  296.710125]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  296.714981]  ? __switch_to_asm+0x34/0x70
[  296.719043]  ? __switch_to_asm+0x34/0x70
[  296.723121]  ? zap_class+0x640/0x640
[  296.726835]  ? zap_class+0x640/0x640
[  296.730552]  ? __x64_sys_futex+0x53e/0x6a0
[  296.734799]  ? find_held_lock+0x36/0x1c0
[  296.738882]  ? handle_mm_fault+0x42a/0xc70
[  296.743124]  ? lock_downgrade+0x900/0x900
[  296.747272]  ? check_preemption_disabled+0x48/0x280
[  296.752300]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  296.757229]  ? kasan_check_read+0x11/0x20
[  296.761378]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.766663]  ? rcu_softirq_qs+0x20/0x20
[  296.770638]  ? trace_hardirqs_off_caller+0x310/0x310
[  296.775742]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.781282]  ? check_preemption_disabled+0x48/0x280
[  296.786310]  handle_mm_fault+0x54f/0xc70
[  296.790380]  ? __handle_mm_fault+0x5920/0x5920
[  296.794971]  ? find_vma+0x34/0x190
[  296.798524]  __do_page_fault+0x5e8/0xe60
[  296.802591]  ? trace_hardirqs_off+0xb8/0x310
[  296.807014]  do_page_fault+0xf2/0x7e0
[  296.810817]  ? vmalloc_sync_all+0x30/0x30
[  296.814971]  ? error_entry+0x70/0xd0
[  296.818694]  ? trace_hardirqs_off_caller+0xbb/0x310
[  296.823711]  ? trace_hardirqs_on_caller+0xc0/0x310
[  296.828650]  ? syscall_return_slowpath+0x5e0/0x5e0
[  296.833577]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.838422]  ? trace_hardirqs_on_caller+0x310/0x310
[  296.843436]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  296.848892]  ? prepare_exit_to_usermode+0x291/0x3b0
[  296.853911]  ? page_fault+0x8/0x30
[  296.857459]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.862311]  ? page_fault+0x8/0x30
[  296.865861]  page_fault+0x1e/0x30
[  296.869315] RIP: 0033:0x40f9c0
[  296.872522] Code: Bad RIP value.
[  296.875882] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  296.881248] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  296.888523] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  296.895793] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  296.903061] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  296.910330] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  296.917633] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  296.917699] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  296.924653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  296.924662] Call Trace:
[  296.931281] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  296.940521]  <IRQ>
[  296.943094] syz-fuzzer cpuset=
[  296.953318]  dump_stack+0x244/0x39d
[  296.955446] /
[  296.958635]  ? dump_stack_print_info.cold.1+0x20/0x20
[  296.962234]  mems_allowed=0
[  296.963949]  warn_alloc.cold.117+0xb7/0x1bd
[  296.976355]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  296.981214]  ? lock_downgrade+0x900/0x900
[  296.985374]  ? trace_hardirqs_off+0xb8/0x310
[  296.989791]  ? trace_hardirqs_off+0xb8/0x310
[  296.994221]  __alloc_pages_slowpath+0x2660/0x2d70
[  296.999099]  ? warn_alloc+0x120/0x120
[  297.002915]  ? warn_alloc+0x120/0x120
[  297.006728]  ? print_usage_bug+0xc0/0xc0
[  297.010791]  ? warn_alloc+0x120/0x120
[  297.014598]  ? print_usage_bug+0xc0/0xc0
[  297.018671]  ? __lock_acquire+0x62f/0x4c20
[  297.022911]  ? __lock_acquire+0x62f/0x4c20
[  297.027157]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.032704]  ? should_fail+0x22d/0xd01
[  297.036600]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.041884]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.046993]  ? __lock_acquire+0x62f/0x4c20
[  297.051235]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.056341]  ? __lock_acquire+0x62f/0x4c20
[  297.060576]  ? should_fail+0x22d/0xd01
[  297.064477]  ? rcu_irq_exit+0x1a2/0x390
[  297.068471]  ? mark_held_locks+0x130/0x130
[  297.072711]  ? mark_held_locks+0x130/0x130
[  297.076955]  ? mark_held_locks+0xc7/0x130
[  297.081103]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  297.086119]  ? zap_class+0x640/0x640
[  297.089833]  ? print_usage_bug+0xc0/0xc0
[  297.093904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.099449]  ? check_preemption_disabled+0x48/0x280
[  297.104480]  ? __lock_is_held+0xb5/0x140
[  297.108553]  __alloc_pages_nodemask+0xa80/0xde0
[  297.113228]  ? zap_class+0x640/0x640
[  297.116950]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  297.121987]  ? find_held_lock+0x36/0x1c0
[  297.126063]  ? ____cache_alloc_node+0x1c7/0x1e0
[  297.130740]  ? lock_downgrade+0x900/0x900
[  297.134900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.140452]  cache_grow_begin+0xa5/0x8c0
[  297.144515]  ? do_raw_spin_unlock+0xa7/0x330
[  297.148939]  fallback_alloc+0x204/0x2e0
[  297.152931]  ____cache_alloc_node+0x1c7/0x1e0
[  297.157442]  kmem_cache_alloc_node+0xe3/0x730
[  297.161941]  ? ipv6_get_ifaddr+0x42e/0x620
[  297.166199]  __alloc_skb+0x119/0x770
[  297.169922]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.175217]  ? netdev_alloc_frag+0x1f0/0x1f0
[  297.179630]  ? lock_downgrade+0x900/0x900
[  297.183793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.189336]  ? refcount_sub_and_test_checked+0x203/0x310
[  297.194800]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  297.200256]  ? addrconf_rs_timer+0x690/0x690
[  297.204683]  ndisc_alloc_skb+0x144/0x340
[  297.208926]  ndisc_send_rs+0x331/0x6e0
[  297.212826]  addrconf_rs_timer+0x314/0x690
[  297.217070]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.221353]  call_timer_fn+0x272/0x920
[  297.225249]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.229494]  ? process_timeout+0x40/0x40
[  297.233571]  ? __run_timers+0x7da/0xc70
[  297.237553]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.242056]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.246558]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.250798]  ? lockdep_hardirqs_on+0x296/0x5b0
[  297.255389]  ? trace_hardirqs_on+0xbd/0x310
[  297.259715]  ? kasan_check_read+0x11/0x20
[  297.263869]  ? __run_timers+0x7da/0xc70
[  297.267846]  ? trace_hardirqs_off_caller+0x310/0x310
[  297.272953]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.277204]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.281451]  __run_timers+0x7e5/0xc70
[  297.285265]  ? timer_fixup_init+0x70/0x70
[  297.289415]  ? kasan_check_read+0x11/0x20
[  297.293590]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.299380]  ? rcu_softirq_qs+0x20/0x20
[  297.303360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.308898]  ? check_preemption_disabled+0x48/0x280
[  297.313925]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  297.318690]  ? retint_kernel+0x2d/0x2d
[  297.322583]  ? trace_hardirqs_on_caller+0xc0/0x310
[  297.327514]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  297.332276]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  297.337727]  ? zap_class+0x640/0x640
[  297.341453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.346996]  ? check_preemption_disabled+0x48/0x280
[  297.352027]  ? __lock_is_held+0xb5/0x140
[  297.356092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.361631]  ? check_preemption_disabled+0x48/0x280
[  297.366655]  run_timer_softirq+0x52/0xb0
[  297.370718]  ? rcu_read_lock_sched_held+0x14f/0x180
[  297.375737]  __do_softirq+0x308/0xb7e
[  297.379547]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  297.384041]  ? lock_downgrade+0x900/0x900
[  297.388205]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  297.393318]  ? pvclock_read_flags+0x160/0x160
[  297.397821]  ? lapic_next_event+0x5a/0x90
[  297.401971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.407514]  ? kvm_clock_read+0x18/0x30
[  297.411487]  ? kvm_sched_clock_read+0x9/0x20
[  297.415901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.421443]  ? check_preemption_disabled+0x48/0x280
[  297.426483]  irq_exit+0x17f/0x1c0
[  297.429952]  smp_apic_timer_interrupt+0x1cb/0x760
[  297.435245]  ? smp_call_function_single_interrupt+0x159/0x650
[  297.441159]  ? smp_call_function_single_interrupt+0x650/0x650
[  297.447064]  ? interrupt_entry+0xb5/0xc0
[  297.451130]  ? trace_hardirqs_off_caller+0xbb/0x310
[  297.456151]  ? trace_hardirqs_off_caller+0xbb/0x310
[  297.461188]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.466035]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.471055]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.476073]  ? task_prio+0x50/0x50
[  297.479620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.485162]  ? check_preemption_disabled+0x48/0x280
[  297.490202]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.495060]  apic_timer_interrupt+0xf/0x20
[  297.499292]  </IRQ>
[  297.501538] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  297.506470] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  297.525371] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  297.533083] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  297.540353] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  297.547620] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  297.554885] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  297.562149] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  297.569474]  skb_clone+0x1bb/0x500
[  297.573018]  ? skb_split+0x11e0/0x11e0
[  297.576910]  ? check_preemption_disabled+0x48/0x280
[  297.581930]  ? __this_cpu_preempt_check+0x1c/0x20
[  297.586776]  ? __bpf_redirect+0x54b/0xb20
[  297.590936]  bpf_clone_redirect+0xb9/0x490
[  297.595192]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  297.600215]  ? __sched_text_start+0x8/0x8
[  297.604367]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  297.609132]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  297.613724]  ? retint_kernel+0x2d/0x2d
[  297.617629]  ? find_held_lock+0x36/0x1c0
[  297.621706]  ? lock_acquire+0x1ed/0x520
[  297.625686]  ? bpf_test_run+0x3cb/0x780
[  297.629668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.635215]  ? check_preemption_disabled+0x48/0x280
[  297.640245]  ? kasan_check_read+0x11/0x20
[  297.644397]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.649681]  ? rcu_softirq_qs+0x20/0x20
[  297.653665]  ? preempt_schedule+0x4d/0x60
[  297.657824]  ? ___preempt_schedule+0x16/0x18
[  297.662245]  ? bpf_test_run+0x25d/0x780
[  297.666232]  ? netlink_diag_dump+0x2a0/0x2a0
[  297.670650]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.676195]  ? bpf_test_init.isra.10+0x70/0x100
[  297.680876]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  297.685645]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  297.690488]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  297.696029]  ? fput+0x130/0x1a0
[  297.699315]  ? __bpf_prog_get+0x9b/0x290
[  297.703380]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  297.708225]  ? bpf_prog_test_run+0x130/0x1a0
[  297.712638]  ? __x64_sys_bpf+0x3d8/0x520
[  297.716705]  ? bpf_prog_get+0x20/0x20
[  297.720547]  ? do_syscall_64+0x1b9/0x820
[  297.724614]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  297.729984]  ? syscall_return_slowpath+0x5e0/0x5e0
[  297.734912]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.739762]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.744779]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  297.749803]  ? prepare_exit_to_usermode+0x291/0x3b0
[  297.754834]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.759715]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  297.765100] warn_alloc_show_mem: 1 callbacks suppressed
[  297.765112] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  297.765114] Mem-Info:
[  297.765145] active_anon:56297 inactive_anon:436 isolated_anon:0
[  297.765145]  active_file:15 inactive_file:14 isolated_file:0
[  297.765145]  unevictable:0 dirty:0 writeback:0 unstable:0
[  297.765145]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  297.765145]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  297.765145]  free:13786 free_pcp:429 free_cma:0
[  297.770484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  297.770493] Call Trace:
[  297.777169] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  297.779566]  <IRQ>
[  297.812529] Node 0 
[  297.821893]  dump_stack+0x244/0x39d
[  297.824474] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  297.852221]  ? dump_stack_print_info.cold.1+0x20/0x20
[  297.854345] lowmem_reserve[]:
[  297.856588]  warn_alloc.cold.117+0xb7/0x1bd
[  297.860187]  0
[  297.885692]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  297.890862]  2818
[  297.893970]  ? lock_downgrade+0x900/0x900
[  297.898267]  6321
[  297.900072]  ? trace_hardirqs_off+0xb8/0x310
[  297.904884]  6321
[  297.906955]  ? trace_hardirqs_off+0xb8/0x310
[  297.913136]  __alloc_pages_slowpath+0x2660/0x2d70
[  297.917518] Node 0 
[  297.919601]  ? warn_alloc+0x120/0x120
[  297.923988] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  297.928804]  ? warn_alloc+0x120/0x120
[  297.931012] lowmem_reserve[]:
[  297.934806]  ? print_usage_bug+0xc0/0xc0
[  297.961493]  0 0
[  297.965297]  ? warn_alloc+0x120/0x120
[  297.968378]  3503
[  297.972431]  ? print_usage_bug+0xc0/0xc0
[  297.974387]  3503
[  297.978188]  ? __lock_acquire+0x62f/0x4c20
[  297.984281]  ? __lock_acquire+0x62f/0x4c20
[  297.986319] Node 0 
[  297.990547]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.994785] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  297.996990]  ? should_fail+0x22d/0xd01
[  298.002502] lowmem_reserve[]:
[  298.030961]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.034825]  0
[  298.037923]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.043182]  0
[  298.044979]  ? __lock_acquire+0x62f/0x4c20
[  298.050054]  0
[  298.051853]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.056061]  0
[  298.057861]  ? __lock_acquire+0x62f/0x4c20
[  298.062946] Node 0 
[  298.064745]  ? should_fail+0x22d/0xd01
[  298.068956] DMA: 
[  298.071199]  ? rcu_irq_exit+0x1a2/0x390
[  298.075061] 1*4kB 
[  298.077140]  ? mark_held_locks+0x130/0x130
[  298.081081] (U) 
[  298.083231]  ? mark_held_locks+0x130/0x130
[  298.087440] 0*8kB 
[  298.089408]  ? mark_held_locks+0xc7/0x130
[  298.093620] 0*16kB 
[  298.095767]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  298.099892] 1*32kB 
[  298.102121]  ? zap_class+0x640/0x640
[  298.107112] (U) 
[  298.109347]  ? print_usage_bug+0xc0/0xc0
[  298.113052] 2*64kB 
[  298.115023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.119061] (U) 
[  298.121296]  ? check_preemption_disabled+0x48/0x280
[  298.126805] 1*128kB 
[  298.128781]  ? __lock_is_held+0xb5/0x140
[  298.133763] (U) 
[  298.136086]  __alloc_pages_nodemask+0xa80/0xde0
[  298.140119] 1*256kB 
[  298.142090]  ? zap_class+0x640/0x640
[  298.146735] (U) 
[  298.149053]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  298.152748] 0*512kB 
[  298.154725]  ? find_held_lock+0x36/0x1c0
[  298.159712] 1*1024kB 
[  298.162034]  ? ____cache_alloc_node+0x1c7/0x1e0
[  298.166066] (U) 
[  298.168474]  ? lock_downgrade+0x900/0x900
[  298.173117] 1*2048kB 
[  298.175093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.179212] (M) 
[  298.181622]  cache_grow_begin+0xa5/0x8c0
[  298.187132] 3*4096kB 
[  298.189099]  ? do_raw_spin_unlock+0xa7/0x330
[  298.193135] (M) 
[  298.195546]  fallback_alloc+0x204/0x2e0
[  298.199927] = 15908kB
[  298.201901]  ____cache_alloc_node+0x1c7/0x1e0
[  298.205846] Node 0 
[  298.208256]  kmem_cache_alloc_node+0xe3/0x730
[  298.212726] DMA32: 
[  298.214971]  ? ipv6_get_ifaddr+0x42e/0x620
[  298.219449] 5*4kB 
[  298.221690]  __alloc_skb+0x119/0x770
[  298.225889] (UM) 
[  298.228041]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.231728] 1*8kB 
[  298.233789]  ? netdev_alloc_frag+0x1f0/0x1f0
[  298.239038] (U) 
[  298.241189]  ? lock_downgrade+0x900/0x900
[  298.245571] 2*16kB 
[  298.247547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.251666] (M) 
[  298.253900]  ? refcount_sub_and_test_checked+0x203/0x310
[  298.259409] 1*32kB 
[  298.261384]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  298.266807] (M) 
[  298.269036]  ? addrconf_rs_timer+0x690/0x690
[  298.274466] 3*64kB 
[  298.276445]  ndisc_alloc_skb+0x144/0x340
[  298.280824] (M) 
[  298.283057]  ndisc_send_rs+0x331/0x6e0
[  298.287097] 5*128kB 
[  298.289071]  addrconf_rs_timer+0x314/0x690
[  298.292940] (UM) 3*256kB 
[  298.295269]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.299696] (M) 
[  298.302458]  call_timer_fn+0x272/0x920
[  298.306667] 4*512kB 
[  298.308639]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.312503] (UM) 
[  298.314828]  ? process_timeout+0x40/0x40
[  298.319037] 3*1024kB 
[  298.321097]  ? mark_held_locks+0xc7/0x130
[  298.325143] (UM) 
[  298.327553]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.331672] 3*2048kB 
[  298.333732]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.338206] (UM) 
[  298.340612]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.345082] 3*4096kB 
[  298.347138]  ? lockdep_hardirqs_on+0x296/0x5b0
[  298.351349] (M) 
[  298.353757]  ? trace_hardirqs_on+0xbd/0x310
[  298.358313] = 25244kB
[  298.360288]  ? kasan_check_read+0x11/0x20
[  298.364584] Node 0 
[  298.366996]  ? __run_timers+0x7da/0xc70
[  298.371116] Normal: 
[  298.373346]  ? trace_hardirqs_off_caller+0x310/0x310
[  298.377296] 719*4kB 
[  298.379616]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.384693] (UMEH) 
[  298.387014]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.391222] 258*8kB 
[  298.393456]  __run_timers+0x7e5/0xc70
[  298.397666] (UME) 
[  298.399993]  ? timer_fixup_init+0x70/0x70
[  298.403761] 197*16kB 
[  298.405907]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  298.410030] (UME) 
[  298.412433]  ? zap_class+0x640/0x640
[  298.417430] 98*32kB 
[  298.419576]  ? print_usage_bug+0xc0/0xc0
[  298.423264] (UME) 
[  298.425586]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  298.429724] 44*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 14044kB
[  298.429756] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  298.429762] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  298.429765] 4793 total pagecache pages
[  298.429774] 0 pages in swap cache
[  298.429779] Swap cache stats: add 0, delete 0, find 0/0
[  298.429781] Free swap  = 0kB
[  298.429784] Total swap = 0kB
[  298.429788] 1965979 pages RAM
[  298.429791] 0 pages HighMem/MovableOnly
[  298.429794] 342867 pages reserved
[  298.429796] 0 pages cma reserved
[  298.429861] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  298.429907] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  298.429911] syz-executor4 cpuset=syz4 mems_allowed=0
[  298.517647]  ? find_held_lock+0x36/0x1c0
[  298.521715]  ? zap_class+0x640/0x640
[  298.525438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.530980]  ? check_preemption_disabled+0x48/0x280
[  298.536007]  ? __lock_is_held+0xb5/0x140
[  298.540072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.545612]  ? check_preemption_disabled+0x48/0x280
[  298.550636]  run_timer_softirq+0x52/0xb0
[  298.554699]  ? rcu_read_lock_sched_held+0x14f/0x180
[  298.559716]  __do_softirq+0x308/0xb7e
[  298.563521]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  298.568017]  ? lock_downgrade+0x900/0x900
[  298.572180]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  298.577293]  ? pvclock_read_flags+0x160/0x160
[  298.581797]  ? lapic_next_event+0x5a/0x90
[  298.585955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.591498]  ? kvm_clock_read+0x18/0x30
[  298.595473]  ? kvm_sched_clock_read+0x9/0x20
[  298.599889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.605435]  ? check_preemption_disabled+0x48/0x280
[  298.610465]  irq_exit+0x17f/0x1c0
[  298.613924]  smp_apic_timer_interrupt+0x1cb/0x760
[  298.618769]  ? smp_reschedule_interrupt+0x109/0x650
[  298.623788]  ? smp_call_function_single_interrupt+0x650/0x650
[  298.629678]  ? interrupt_entry+0xb5/0xc0
[  298.633744]  ? trace_hardirqs_off_caller+0xbb/0x310
[  298.638759]  ? trace_hardirqs_off_caller+0xbb/0x310
[  298.643778]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.648623]  ? trace_hardirqs_on_caller+0x310/0x310
[  298.653644]  ? trace_hardirqs_on_caller+0x310/0x310
[  298.658665]  ? task_prio+0x50/0x50
[  298.662213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.667757]  ? check_preemption_disabled+0x48/0x280
[  298.672783]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.677641]  apic_timer_interrupt+0xf/0x20
[  298.681869]  </IRQ>
[  298.684112] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  298.689313] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  298.708226] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  298.715962] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  298.723236] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  298.730508] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  298.737778] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  298.745047] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  298.752361]  retint_kernel+0x1b/0x2d
[  298.756079] RIP: 0010:dump_stack+0x358/0x39d
[  298.760487] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  298.779387] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  298.787096] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  298.794365] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  298.801637] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  298.808923] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  298.816200] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  298.823494]  ? dump_stack+0x34f/0x39d
[  298.827307]  ? dump_stack_print_info.cold.1+0x20/0x20
[  298.832511]  dump_header+0x27b/0xf72
[  298.836240]  ? mark_held_locks+0x130/0x130
[  298.840477]  ? pagefault_out_of_memory+0x197/0x197
[  298.845414]  ? __lock_acquire+0x62f/0x4c20
[  298.849651]  ? zap_class+0x640/0x640
[  298.853371]  ? percpu_ref_get_many+0x240/0x240
[  298.857958]  ? print_usage_bug+0xc0/0xc0
[  298.862026]  ? print_usage_bug+0xc0/0xc0
[  298.866266]  ? zap_class+0x640/0x640
[  298.869983]  ? print_usage_bug+0xc0/0xc0
[  298.874047]  ? print_usage_bug+0xc0/0xc0
[  298.878120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.883662]  ? find_held_lock+0x36/0x1c0
[  298.887735]  ? mark_held_locks+0xc7/0x130
[  298.891891]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  298.896998]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  298.902106]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  298.906695]  ? trace_hardirqs_on+0xbd/0x310
[  298.911023]  ? kasan_check_read+0x11/0x20
[  298.915181]  ? ___ratelimit+0x3b4/0x672
[  298.919158]  ? trace_hardirqs_off_caller+0x310/0x310
[  298.924290]  ? trace_hardirqs_on+0x310/0x310
[  298.928705]  ? lock_downgrade+0x900/0x900
[  298.932863]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  298.937966]  ? ___ratelimit+0x3b9/0x672
[  298.941948]  ? idr_get_free+0xec0/0xec0
[  298.945921]  ? find_held_lock+0x36/0x1c0
[  298.949997]  oom_kill_process.cold.27+0x10/0x903
[  298.954757]  ? zap_class+0x640/0x640
[  298.958473]  ? check_preemption_disabled+0x48/0x280
[  298.963497]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  298.968431]  ? kasan_check_read+0x11/0x20
[  298.972583]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.977863]  ? oom_evaluate_task+0x540/0x540
[  298.982278]  ? find_held_lock+0x36/0x1c0
[  298.986349]  ? out_of_memory+0x974/0x1430
[  298.990503]  ? lock_downgrade+0x900/0x900
[  298.994650]  ? check_preemption_disabled+0x48/0x280
[  298.999675]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  299.004604]  ? kasan_check_read+0x11/0x20
[  299.008753]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.014033]  ? rcu_softirq_qs+0x20/0x20
[  299.018016]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.023551]  ? oom_evaluate_task+0x302/0x540
[  299.027966]  out_of_memory+0xa84/0x1430
[  299.031962]  ? oom_killer_disable+0x3a0/0x3a0
[  299.036465]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  299.041399]  ? __mutex_add_waiter+0x2a0/0x2a0
[  299.045910]  __alloc_pages_slowpath+0x22d4/0x2d70
[  299.050790]  ? warn_alloc+0x120/0x120
[  299.054597]  ? rcu_softirq_qs+0x20/0x20
[  299.058607]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.064143]  ? should_fail+0x22d/0xd01
[  299.068044]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.073150]  ? zap_class+0x640/0x640
[  299.076902]  ? __lock_is_held+0xb5/0x140
[  299.080985]  ? mark_held_locks+0x130/0x130
[  299.085228]  ? lock_release+0xa00/0xa00
[  299.089208]  ? perf_trace_sched_process_exec+0x860/0x860
[  299.094672]  ? __might_sleep+0x95/0x190
[  299.098654]  __alloc_pages_nodemask+0xa80/0xde0
[  299.103332]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  299.108356]  ? __page_cache_alloc+0x191/0x5c0
[  299.112854]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  299.117788]  ? kasan_check_read+0x11/0x20
[  299.121943]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.127224]  ? zap_class+0x640/0x640
[  299.130953]  ? zap_class+0x640/0x640
[  299.134666]  ? zap_class+0x640/0x640
[  299.138381]  ? __do_page_cache_readahead+0x7ce/0x980
[  299.143489]  ? find_held_lock+0x36/0x1c0
[  299.147560]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  299.153106]  alloc_pages_current+0x173/0x350
[  299.157524]  __page_cache_alloc+0x38c/0x5c0
[  299.161850]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  299.166780]  ? kasan_check_read+0x11/0x20
[  299.170939]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.176227]  ? generic_perform_write+0x6a0/0x6a0
[  299.180989]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.186526]  ? check_preemption_disabled+0x48/0x280
[  299.191553]  filemap_fault+0x1594/0x25f0
[  299.195632]  ? __lock_page_or_retry+0xa00/0xa00
[  299.200310]  ? mark_held_locks+0x130/0x130
[  299.204550]  ? rcu_softirq_qs+0x20/0x20
[  299.208544]  ? filemap_map_pages+0xe04/0x1990
[  299.213052]  ? __free_object+0x173/0x340
[  299.217120]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  299.222054]  ? trace_hardirqs_off_caller+0x310/0x310
[  299.227159]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  299.231847]  ? debug_object_free+0x32d/0x690
[  299.236260]  ? kasan_check_read+0x11/0x20
[  299.240411]  ? debug_object_destroy+0x2b0/0x2b0
[  299.245086]  ? lock_pi_update_atomic+0x150/0x150
[  299.249842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.255379]  ? __hrtimer_init+0xdb/0x240
[  299.259452]  ? lock_acquire+0x1ed/0x520
[  299.263427]  ? ext4_filemap_fault+0x7a/0xad
[  299.267755]  ? lock_release+0xa00/0xa00
[  299.271738]  ? perf_trace_sched_process_exec+0x860/0x860
[  299.277196]  ? print_usage_bug+0xc0/0xc0
[  299.281264]  ? print_usage_bug+0xc0/0xc0
[  299.285336]  ? down_read+0x8d/0x120
[  299.288966]  ? ext4_filemap_fault+0x7a/0xad
[  299.293291]  ? __down_interruptible+0x700/0x700
[  299.298227]  ext4_filemap_fault+0x82/0xad
[  299.302386]  __do_fault+0x100/0x6b0
[  299.306014]  ? find_held_lock+0x36/0x1c0
[  299.310079]  ? pmd_devmap_trans_unstable+0x220/0x220
[  299.315203]  ? mark_held_locks+0x130/0x130
[  299.319444]  ? mark_held_locks+0x130/0x130
[  299.323695]  ? kasan_check_read+0x11/0x20
[  299.327845]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.333387]  __handle_mm_fault+0x307c/0x5920
[  299.337795]  ? perf_trace_lock+0x7a0/0x7a0
[  299.342039]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  299.346893]  ? __switch_to_asm+0x34/0x70
[  299.350961]  ? __switch_to_asm+0x34/0x70
[  299.355143]  ? zap_class+0x640/0x640
[  299.358867]  ? zap_class+0x640/0x640
[  299.362583]  ? __x64_sys_futex+0x53e/0x6a0
[  299.366825]  ? find_held_lock+0x36/0x1c0
[  299.370899]  ? handle_mm_fault+0x42a/0xc70
[  299.375136]  ? lock_downgrade+0x900/0x900
[  299.379333]  ? check_preemption_disabled+0x48/0x280
[  299.384381]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  299.389311]  ? kasan_check_read+0x11/0x20
[  299.393462]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.398743]  ? rcu_softirq_qs+0x20/0x20
[  299.402718]  ? trace_hardirqs_off_caller+0x310/0x310
[  299.407825]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.413363]  ? check_preemption_disabled+0x48/0x280
[  299.418393]  handle_mm_fault+0x54f/0xc70
[  299.422459]  ? __handle_mm_fault+0x5920/0x5920
[  299.427053]  ? find_vma+0x34/0x190
[  299.430717]  __do_page_fault+0x5e8/0xe60
[  299.434777]  ? trace_hardirqs_off+0xb8/0x310
[  299.439207]  do_page_fault+0xf2/0x7e0
[  299.443016]  ? vmalloc_sync_all+0x30/0x30
[  299.447168]  ? error_entry+0x70/0xd0
[  299.450898]  ? trace_hardirqs_off_caller+0xbb/0x310
[  299.455919]  ? trace_hardirqs_on_caller+0xc0/0x310
[  299.460854]  ? syscall_return_slowpath+0x5e0/0x5e0
[  299.465782]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.470630]  ? trace_hardirqs_on_caller+0x310/0x310
[  299.475649]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  299.481104]  ? prepare_exit_to_usermode+0x291/0x3b0
[  299.486128]  ? page_fault+0x8/0x30
[  299.489676]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.494528]  ? page_fault+0x8/0x30
[  299.498075]  page_fault+0x1e/0x30
[  299.501531] RIP: 0033:0x40f9c0
[  299.504733] Code: Bad RIP value.
[  299.508097] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  299.513467] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  299.520732] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  299.527999] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  299.535268] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  299.542534] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  299.549827] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  299.549893] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  299.556840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  299.556845] Call Trace:
[  299.556852]  <IRQ>
[  299.556870]  dump_stack+0x244/0x39d
[  299.556888]  ? dump_stack_print_info.cold.1+0x20/0x20
[  299.563418] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  299.572722]  warn_alloc.cold.117+0xb7/0x1bd
[  299.575278] syz-fuzzer cpuset=
[  299.577424]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  299.581025] /
[  299.586217]  ? lock_downgrade+0x900/0x900
[  299.596419]  mems_allowed=0
[  299.600738]  ? trace_hardirqs_off+0xb8/0x310
[  299.621969]  ? trace_hardirqs_off+0xb8/0x310
[  299.626387]  __alloc_pages_slowpath+0x2660/0x2d70
[  299.631261]  ? warn_alloc+0x120/0x120
[  299.635067]  ? zap_class+0x640/0x640
[  299.638783]  ? warn_alloc+0x120/0x120
[  299.642590]  ? print_usage_bug+0xc0/0xc0
[  299.646654]  ? warn_alloc+0x120/0x120
[  299.650462]  ? print_usage_bug+0xc0/0xc0
[  299.654525]  ? __lock_acquire+0x62f/0x4c20
[  299.658763]  ? __lock_acquire+0x62f/0x4c20
[  299.663004]  ? __lock_acquire+0x62f/0x4c20
[  299.667241]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.672781]  ? should_fail+0x22d/0xd01
[  299.676672]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.681777]  ? __lock_acquire+0x62f/0x4c20
[  299.686024]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.691128]  ? __lock_acquire+0x62f/0x4c20
[  299.695359]  ? should_fail+0x22d/0xd01
[  299.699257]  ? mark_held_locks+0x130/0x130
[  299.703498]  ? mark_held_locks+0x130/0x130
[  299.707732]  ? do_raw_spin_unlock+0xa7/0x330
[  299.712140]  ? do_raw_spin_trylock+0x270/0x270
[  299.716733]  ? zap_class+0x640/0x640
[  299.720451]  ? print_usage_bug+0xc0/0xc0
[  299.724522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.730058]  ? check_preemption_disabled+0x48/0x280
[  299.735085]  ? __lock_is_held+0xb5/0x140
[  299.739157]  __alloc_pages_nodemask+0xa80/0xde0
[  299.743838]  ? zap_class+0x640/0x640
[  299.747559]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  299.752592]  ? find_held_lock+0x36/0x1c0
[  299.756664]  ? ____cache_alloc_node+0x1c7/0x1e0
[  299.761338]  ? lock_downgrade+0x900/0x900
[  299.765498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.771040]  cache_grow_begin+0xa5/0x8c0
[  299.775101]  ? do_raw_spin_unlock+0xa7/0x330
[  299.779516]  fallback_alloc+0x204/0x2e0
[  299.783500]  ____cache_alloc_node+0x1c7/0x1e0
[  299.788005]  kmem_cache_alloc_node+0xe3/0x730
[  299.792502]  ? ipv6_get_ifaddr+0x42e/0x620
[  299.796746]  __alloc_skb+0x119/0x770
[  299.800468]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.805753]  ? netdev_alloc_frag+0x1f0/0x1f0
[  299.810161]  ? lock_downgrade+0x900/0x900
[  299.814328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.819868]  ? refcount_sub_and_test_checked+0x203/0x310
[  299.825328]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  299.830784]  ? addrconf_rs_timer+0x690/0x690
[  299.835212]  ndisc_alloc_skb+0x144/0x340
[  299.839280]  ndisc_send_rs+0x331/0x6e0
[  299.843186]  addrconf_rs_timer+0x314/0x690
[  299.847429]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.851683]  call_timer_fn+0x272/0x920
[  299.855571]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.859808]  ? process_timeout+0x40/0x40
[  299.863880]  ? __run_timers+0x7da/0xc70
[  299.867859]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.872354]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.876852]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.881088]  ? lockdep_hardirqs_on+0x296/0x5b0
[  299.885673]  ? trace_hardirqs_on+0xbd/0x310
[  299.889996]  ? kasan_check_read+0x11/0x20
[  299.894149]  ? __run_timers+0x7da/0xc70
[  299.898132]  ? trace_hardirqs_off_caller+0x310/0x310
[  299.903240]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.907483]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.911721]  __run_timers+0x7e5/0xc70
[  299.915538]  ? timer_fixup_init+0x70/0x70
[  299.919692]  ? kasan_check_read+0x11/0x20
[  299.923843]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.929127]  ? rcu_softirq_qs+0x20/0x20
[  299.933103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.938641]  ? check_preemption_disabled+0x48/0x280
[  299.943664]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  299.948426]  ? retint_kernel+0x2d/0x2d
[  299.952319]  ? trace_hardirqs_on_caller+0xc0/0x310
[  299.957256]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  299.962012]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  299.967469]  ? zap_class+0x640/0x640
[  299.971201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.976742]  ? check_preemption_disabled+0x48/0x280
[  299.981769]  ? __lock_is_held+0xb5/0x140
[  299.985833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.991370]  ? check_preemption_disabled+0x48/0x280
[  299.996395]  run_timer_softirq+0x52/0xb0
[  300.000463]  ? rcu_read_lock_sched_held+0x14f/0x180
[  300.005482]  __do_softirq+0x308/0xb7e
[  300.009297]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  300.013794]  ? lock_downgrade+0x900/0x900
[  300.017944]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  300.023058]  ? pvclock_read_flags+0x160/0x160
[  300.027555]  ? lapic_next_event+0x5a/0x90
[  300.031708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.037253]  ? kvm_clock_read+0x18/0x30
[  300.041227]  ? kvm_sched_clock_read+0x9/0x20
[  300.045641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.051185]  ? check_preemption_disabled+0x48/0x280
[  300.056221]  irq_exit+0x17f/0x1c0
[  300.059676]  smp_apic_timer_interrupt+0x1cb/0x760
[  300.064518]  ? smp_call_function_single_interrupt+0x159/0x650
[  300.070404]  ? smp_call_function_single_interrupt+0x650/0x650
[  300.076297]  ? interrupt_entry+0xb5/0xc0
[  300.080362]  ? trace_hardirqs_off_caller+0xbb/0x310
[  300.085382]  ? trace_hardirqs_off_caller+0xbb/0x310
[  300.090402]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.095247]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.100262]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.105283]  ? task_prio+0x50/0x50
[  300.108828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.114364]  ? check_preemption_disabled+0x48/0x280
[  300.119388]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.124243]  apic_timer_interrupt+0xf/0x20
[  300.128473]  </IRQ>
[  300.130715] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  300.135646] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  300.154547] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  300.162261] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  300.169530] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  300.176795] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  300.184077] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  300.191343] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  300.198653]  skb_clone+0x1bb/0x500
[  300.202204]  ? skb_split+0x11e0/0x11e0
[  300.206097]  ? check_preemption_disabled+0x48/0x280
[  300.211122]  ? __this_cpu_preempt_check+0x1c/0x20
[  300.215967]  ? __bpf_redirect+0x54b/0xb20
[  300.220144]  bpf_clone_redirect+0xb9/0x490
[  300.224402]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  300.229426]  ? __sched_text_start+0x8/0x8
[  300.233581]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  300.238343]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  300.242932]  ? retint_kernel+0x2d/0x2d
[  300.246825]  ? find_held_lock+0x36/0x1c0
[  300.250895]  ? lock_acquire+0x1ed/0x520
[  300.254868]  ? bpf_test_run+0x3cb/0x780
[  300.258844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.264383]  ? check_preemption_disabled+0x48/0x280
[  300.269412]  ? kasan_check_read+0x11/0x20
[  300.273567]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.278846]  ? rcu_softirq_qs+0x20/0x20
[  300.282823]  ? preempt_schedule+0x4d/0x60
[  300.286977]  ? ___preempt_schedule+0x16/0x18
[  300.291398]  ? bpf_test_run+0x25d/0x780
[  300.295384]  ? netlink_diag_dump+0x2a0/0x2a0
[  300.299800]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.305338]  ? bpf_test_init.isra.10+0x70/0x100
[  300.310016]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  300.314782]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  300.319623]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  300.325159]  ? fput+0x130/0x1a0
[  300.328465]  ? __bpf_prog_get+0x9b/0x290
[  300.332537]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  300.337382]  ? bpf_prog_test_run+0x130/0x1a0
[  300.341797]  ? __x64_sys_bpf+0x3d8/0x520
[  300.345860]  ? bpf_prog_get+0x20/0x20
[  300.349689]  ? do_syscall_64+0x1b9/0x820
[  300.353754]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  300.359130]  ? syscall_return_slowpath+0x5e0/0x5e0
[  300.364064]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.368919]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.373941]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  300.378968]  ? prepare_exit_to_usermode+0x291/0x3b0
[  300.383999]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.388857]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  300.394246] warn_alloc_show_mem: 1 callbacks suppressed
[  300.394258] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  300.394260] Mem-Info:
[  300.394293] active_anon:56297 inactive_anon:436 isolated_anon:0
[  300.394293]  active_file:15 inactive_file:14 isolated_file:0
[  300.394293]  unevictable:0 dirty:0 writeback:0 unstable:0
[  300.394293]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  300.394293]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  300.394293]  free:13786 free_pcp:429 free_cma:0
[  300.399625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  300.399634] Call Trace:
[  300.406309] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  300.408714]  <IRQ>
[  300.441892] Node 0 
[  300.451267]  dump_stack+0x244/0x39d
[  300.453845] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  300.481591]  ? dump_stack_print_info.cold.1+0x20/0x20
[  300.483719] lowmem_reserve[]:
[  300.485964]  warn_alloc.cold.117+0xb7/0x1bd
[  300.489557]  0
[  300.515073]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  300.520237]  2818
[  300.523339]  ? lock_downgrade+0x900/0x900
[  300.527638]  6321
[  300.529439]  ? trace_hardirqs_off+0xb8/0x310
[  300.534258]  6321
[  300.536317]  ? trace_hardirqs_off+0xb8/0x310
[  300.542505]  __alloc_pages_slowpath+0x2660/0x2d70
[  300.546884] Node 0 
[  300.548971]  ? warn_alloc+0x120/0x120
[  300.553347] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  300.558158]  ? warn_alloc+0x120/0x120
[  300.560362] lowmem_reserve[]: 0
[  300.564169]  ? print_usage_bug+0xc0/0xc0
[  300.590870]  0 3503
[  300.594695]  ? warn_alloc+0x120/0x120
[  300.597934]  3503
[  300.597947] Node 0 
[  300.602008]  ? print_usage_bug+0xc0/0xc0
[  300.604245] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  300.608016]  ? __lock_acquire+0x62f/0x4c20
[  300.610051] lowmem_reserve[]: 0
[  300.612294]  ? __lock_acquire+0x62f/0x4c20
[  300.616336]  0
[  300.644804]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.649010]  0 0
[  300.652292]  ? should_fail+0x22d/0xd01
[  300.658301]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.663817] Node 0 
[  300.665792]  ? __lock_acquire+0x62f/0x4c20
[  300.669651] DMA: 
[  300.674750]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.676963] 1*4kB 
[  300.681209]  ? __lock_acquire+0x62f/0x4c20
[  300.681223]  ? should_fail+0x22d/0xd01
[  300.683276] (U) 
[  300.688374]  ? find_held_lock+0x36/0x1c0
[  300.690503] 0*8kB 
[  300.694738]  ? mark_held_locks+0x130/0x130
[  300.698599] 0*16kB 
[  300.700572]  ? mark_held_locks+0x130/0x130
[  300.704609] 1*32kB 
[  300.706751]  ? zap_class+0x640/0x640
[  300.710965] (U) 
[  300.713208]  ? zap_class+0x640/0x640
[  300.717418] 2*64kB 
[  300.719651]  ? print_usage_bug+0xc0/0xc0
[  300.723341] (U) 
[  300.725315]  ? do_raw_spin_unlock+0xa7/0x330
[  300.729004] 1*128kB 
[  300.731232]  ? zap_class+0x640/0x640
[  300.735274] (U) 
[  300.737255]  ? print_usage_bug+0xc0/0xc0
[  300.741640] 1*256kB 
[  300.743976]  ? wq_watchdog_touch+0x9c/0xfe
[  300.747663] (U) 
[  300.749641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.753667] 0*512kB 1*1024kB 
[  300.755998]  ? check_preemption_disabled+0x48/0x280
[  300.760208] (U) 
[  300.762193]  ? __lock_is_held+0xb5/0x140
[  300.767697] 1*2048kB (M) 
[  300.770819]  __alloc_pages_nodemask+0xa80/0xde0
[  300.775808] 3*4096kB 
[  300.777777]  ? zap_class+0x640/0x640
[  300.781811] (M) 
[  300.784568]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  300.789208] = 15908kB
[  300.791619]  ? find_held_lock+0x36/0x1c0
[  300.795298] Node 0 
[  300.797277]  ? ____cache_alloc_node+0x1c7/0x1e0
[  300.802263] DMA32: 
[  300.804676]  ? lock_downgrade+0x900/0x900
[  300.808709] 5*4kB 
[  300.810957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.815592] (UM) 
[  300.817831]  cache_grow_begin+0xa5/0x8c0
[  300.821955] 1*8kB 
[  300.824098]  ? do_raw_spin_unlock+0xa7/0x330
[  300.829610] (U) 
[  300.831677]  fallback_alloc+0x204/0x2e0
[  300.835709] 2*16kB 
[  300.837858]  ____cache_alloc_node+0x1c7/0x1e0
[  300.842234] (M) 1*32kB 
[  300.844219]  kmem_cache_alloc_node+0xe3/0x730
[  300.848162] (M) 
[  300.850403]  ? ipv6_get_ifaddr+0x42e/0x620
[  300.854875] 3*64kB 
[  300.857464]  __alloc_skb+0x119/0x770
[  300.861930] (M) 
[  300.863906]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.868105] 5*128kB (UM) 
[  300.870364]  ? netdev_alloc_frag+0x1f0/0x1f0
[  300.874066] 3*256kB 
[  300.876037]  ? lock_downgrade+0x900/0x900
[  300.881290] (M) 
[  300.884049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.888430] 4*512kB 
[  300.890751]  ? refcount_sub_and_test_checked+0x203/0x310
[  300.894871] (UM) 
[  300.896848]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  300.902358] 3*1024kB (UM) 
[  300.904691]  ? addrconf_rs_timer+0x690/0x690
[  300.910119] 3*2048kB 
[  300.912197]  ndisc_alloc_skb+0x144/0x340
[  300.917610] (UM) 
[  300.920455]  ndisc_send_rs+0x331/0x6e0
[  300.924838] 3*4096kB 
[  300.927251]  addrconf_rs_timer+0x314/0x690
[  300.931282] (M) 
[  300.933339]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.937200] = 25244kB
[  300.937209] Node 0 
[  300.939623]  call_timer_fn+0x272/0x920
[  300.943824] Normal: 
[  300.945794]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.950001] 719*4kB 
[  300.952405]  ? process_timeout+0x40/0x40
[  300.954616] (UMEH) 
[  300.958512]  ? mark_held_locks+0xc7/0x130
[  300.960808] 258*8kB 
[  300.965037]  ? _raw_spin_unlock_irq+0x27/0x80
[  300.967338] (UME) 
[  300.971397]  ? _raw_spin_unlock_irq+0x27/0x80
[  300.973612] 197*16kB 
[  300.977757]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.980058] (UME) 
[  300.984550]  ? lockdep_hardirqs_on+0x296/0x5b0
[  300.986678] 98*32kB 
[  300.991169]  ? trace_hardirqs_on+0xbd/0x310
[  300.993558] (UME) 
[  300.997789]  ? kasan_check_read+0x11/0x20
[  300.999911] 44*64kB 
[  301.004491]  ? __run_timers+0x7da/0xc70
[  301.006791] (UM) 
[  301.011108]  ? trace_hardirqs_off_caller+0x310/0x310
[  301.013236] 0*128kB 
[  301.017383]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.019682] 0*256kB 
[  301.023650]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.025703] 0*512kB 
[  301.030799]  __run_timers+0x7e5/0xc70
[  301.033089] 0*1024kB 0*2048kB 
[  301.037341]  ? timer_fixup_init+0x70/0x70
[  301.039630] 0*4096kB 
[  301.043864]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  301.046160] = 14044kB
[  301.049966]  ? zap_class+0x640/0x640
[  301.053141] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  301.057279]  ? print_usage_bug+0xc0/0xc0
[  301.059668] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  301.064674]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  301.067059] 4793 total pagecache pages
[  301.070769]  ? find_held_lock+0x36/0x1c0
[  301.079588] 0 pages in swap cache
[  301.083648]  ? zap_class+0x640/0x640
[  301.092205] Swap cache stats: add 0, delete 0, find 0/0
[  301.097398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.101257] Free swap  = 0kB
[  301.105310]  ? check_preemption_disabled+0x48/0x280
[  301.108738] Total swap = 0kB
[  301.112453]  ? __lock_is_held+0xb5/0x140
[  301.117792] 1965979 pages RAM
[  301.123327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.126321] 0 pages HighMem/MovableOnly
[  301.131332]  ? check_preemption_disabled+0x48/0x280
[  301.134329] 342867 pages reserved
[  301.138383]  run_timer_softirq+0x52/0xb0
[  301.141461] 0 pages cma reserved
[  301.147011]  ? rcu_read_lock_sched_held+0x14f/0x180
[  301.151023] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  301.155968]  __do_softirq+0x308/0xb7e
[  301.159519] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  301.163460]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  301.166805] syz-executor4 cpuset=
[  301.171818]  ? lock_downgrade+0x900/0x900
[  301.178283] syz4
[  301.182082]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  301.192548]  mems_allowed=0
[  301.197045]  ? pvclock_read_flags+0x160/0x160
[  301.219065]  ? lapic_next_event+0x5a/0x90
[  301.223221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.228768]  ? kvm_clock_read+0x18/0x30
[  301.232744]  ? kvm_sched_clock_read+0x9/0x20
[  301.237159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.242735]  ? check_preemption_disabled+0x48/0x280
[  301.247768]  irq_exit+0x17f/0x1c0
[  301.251224]  smp_apic_timer_interrupt+0x1cb/0x760
[  301.256065]  ? smp_reschedule_interrupt+0x109/0x650
[  301.261085]  ? smp_call_function_single_interrupt+0x650/0x650
[  301.266980]  ? interrupt_entry+0xb5/0xc0
[  301.271049]  ? trace_hardirqs_off_caller+0xbb/0x310
[  301.276068]  ? trace_hardirqs_off_caller+0xbb/0x310
[  301.281093]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.285946]  ? trace_hardirqs_on_caller+0x310/0x310
[  301.290970]  ? trace_hardirqs_on_caller+0x310/0x310
[  301.295991]  ? task_prio+0x50/0x50
[  301.299979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.305519]  ? check_preemption_disabled+0x48/0x280
[  301.310548]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.315404]  apic_timer_interrupt+0xf/0x20
[  301.319635]  </IRQ>
[  301.321873] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  301.327065] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  301.345966] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  301.353678] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  301.360949] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  301.368219] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  301.375484] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  301.382750] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  301.390058]  retint_kernel+0x1b/0x2d
[  301.393772] RIP: 0010:dump_stack+0x358/0x39d
[  301.398190] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  301.417099] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  301.424815] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  301.432080] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  301.439349] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  301.446622] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  301.453888] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  301.461192]  ? dump_stack+0x34f/0x39d
[  301.465013]  ? dump_stack_print_info.cold.1+0x20/0x20
[  301.470224]  dump_header+0x27b/0xf72
[  301.473962]  ? mark_held_locks+0x130/0x130
[  301.478205]  ? pagefault_out_of_memory+0x197/0x197
[  301.483150]  ? __lock_acquire+0x62f/0x4c20
[  301.487391]  ? zap_class+0x640/0x640
[  301.491107]  ? percpu_ref_get_many+0x240/0x240
[  301.495691]  ? print_usage_bug+0xc0/0xc0
[  301.499758]  ? print_usage_bug+0xc0/0xc0
[  301.503827]  ? zap_class+0x640/0x640
[  301.507546]  ? print_usage_bug+0xc0/0xc0
[  301.511611]  ? print_usage_bug+0xc0/0xc0
[  301.515680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.521222]  ? find_held_lock+0x36/0x1c0
[  301.525298]  ? mark_held_locks+0xc7/0x130
[  301.529454]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  301.534558]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  301.539665]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  301.544253]  ? trace_hardirqs_on+0xbd/0x310
[  301.548579]  ? kasan_check_read+0x11/0x20
[  301.552726]  ? ___ratelimit+0x3b4/0x672
[  301.556702]  ? trace_hardirqs_off_caller+0x310/0x310
[  301.561811]  ? trace_hardirqs_on+0x310/0x310
[  301.566222]  ? lock_downgrade+0x900/0x900
[  301.570378]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  301.575488]  ? ___ratelimit+0x3b9/0x672
[  301.579467]  ? idr_get_free+0xec0/0xec0
[  301.583446]  ? find_held_lock+0x36/0x1c0
[  301.587525]  oom_kill_process.cold.27+0x10/0x903
[  301.592287]  ? zap_class+0x640/0x640
[  301.596005]  ? check_preemption_disabled+0x48/0x280
[  301.601029]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  301.605967]  ? kasan_check_read+0x11/0x20
[  301.610117]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.615401]  ? oom_evaluate_task+0x540/0x540
[  301.619814]  ? find_held_lock+0x36/0x1c0
[  301.623882]  ? out_of_memory+0x974/0x1430
[  301.628035]  ? lock_downgrade+0x900/0x900
[  301.632194]  ? check_preemption_disabled+0x48/0x280
[  301.637217]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  301.642148]  ? kasan_check_read+0x11/0x20
[  301.646306]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.651589]  ? rcu_softirq_qs+0x20/0x20
[  301.655574]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.661110]  ? oom_evaluate_task+0x302/0x540
[  301.665524]  out_of_memory+0xa84/0x1430
[  301.669510]  ? oom_killer_disable+0x3a0/0x3a0
[  301.674008]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  301.678946]  ? __mutex_add_waiter+0x2a0/0x2a0
[  301.683458]  __alloc_pages_slowpath+0x22d4/0x2d70
[  301.688332]  ? warn_alloc+0x120/0x120
[  301.692136]  ? rcu_softirq_qs+0x20/0x20
[  301.696144]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.701687]  ? should_fail+0x22d/0xd01
[  301.705581]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.710685]  ? zap_class+0x640/0x640
[  301.714427]  ? __lock_is_held+0xb5/0x140
[  301.718499]  ? mark_held_locks+0x130/0x130
[  301.722740]  ? lock_release+0xa00/0xa00
[  301.726724]  ? perf_trace_sched_process_exec+0x860/0x860
[  301.732193]  ? __might_sleep+0x95/0x190
[  301.736184]  __alloc_pages_nodemask+0xa80/0xde0
[  301.740866]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  301.745883]  ? __page_cache_alloc+0x191/0x5c0
[  301.750376]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  301.755308]  ? kasan_check_read+0x11/0x20
[  301.759462]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.764742]  ? zap_class+0x640/0x640
[  301.768468]  ? zap_class+0x640/0x640
[  301.772188]  ? zap_class+0x640/0x640
[  301.775908]  ? __do_page_cache_readahead+0x7ce/0x980
[  301.781022]  ? find_held_lock+0x36/0x1c0
[  301.785088]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  301.790644]  alloc_pages_current+0x173/0x350
[  301.795063]  __page_cache_alloc+0x38c/0x5c0
[  301.799388]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  301.804317]  ? kasan_check_read+0x11/0x20
[  301.808469]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.813754]  ? generic_perform_write+0x6a0/0x6a0
[  301.818512]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.824052]  ? check_preemption_disabled+0x48/0x280
[  301.829079]  filemap_fault+0x1594/0x25f0
[  301.833155]  ? __lock_page_or_retry+0xa00/0xa00
[  301.837839]  ? mark_held_locks+0x130/0x130
[  301.842077]  ? rcu_softirq_qs+0x20/0x20
[  301.846068]  ? filemap_map_pages+0xe04/0x1990
[  301.850577]  ? __free_object+0x173/0x340
[  301.854645]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  301.859580]  ? trace_hardirqs_off_caller+0x310/0x310
[  301.864686]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  301.869368]  ? debug_object_free+0x32d/0x690
[  301.873777]  ? kasan_check_read+0x11/0x20
[  301.877932]  ? debug_object_destroy+0x2b0/0x2b0
[  301.882613]  ? lock_pi_update_atomic+0x150/0x150
[  301.887367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.892900]  ? __hrtimer_init+0xdb/0x240
[  301.896977]  ? lock_acquire+0x1ed/0x520
[  301.900970]  ? ext4_filemap_fault+0x7a/0xad
[  301.905305]  ? lock_release+0xa00/0xa00
[  301.909455]  ? perf_trace_sched_process_exec+0x860/0x860
[  301.914908]  ? print_usage_bug+0xc0/0xc0
[  301.918974]  ? print_usage_bug+0xc0/0xc0
[  301.923059]  ? down_read+0x8d/0x120
[  301.926687]  ? ext4_filemap_fault+0x7a/0xad
[  301.931012]  ? __down_interruptible+0x700/0x700
[  301.935694]  ext4_filemap_fault+0x82/0xad
[  301.939845]  __do_fault+0x100/0x6b0
[  301.943471]  ? find_held_lock+0x36/0x1c0
[  301.947537]  ? pmd_devmap_trans_unstable+0x220/0x220
[  301.952664]  ? mark_held_locks+0x130/0x130
[  301.956902]  ? mark_held_locks+0x130/0x130
[  301.961156]  ? kasan_check_read+0x11/0x20
[  301.965316]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.970859]  __handle_mm_fault+0x307c/0x5920
[  301.975269]  ? perf_trace_lock+0x7a0/0x7a0
[  301.979512]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  301.984363]  ? __switch_to_asm+0x34/0x70
[  301.988429]  ? __switch_to_asm+0x34/0x70
[  301.992509]  ? zap_class+0x640/0x640
[  301.996223]  ? zap_class+0x640/0x640
[  301.999943]  ? __x64_sys_futex+0x53e/0x6a0
[  302.004196]  ? find_held_lock+0x36/0x1c0
[  302.008267]  ? handle_mm_fault+0x42a/0xc70
[  302.012509]  ? lock_downgrade+0x900/0x900
[  302.016658]  ? check_preemption_disabled+0x48/0x280
[  302.021681]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  302.026614]  ? kasan_check_read+0x11/0x20
[  302.030765]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.036047]  ? rcu_softirq_qs+0x20/0x20
[  302.040026]  ? trace_hardirqs_off_caller+0x310/0x310
[  302.045133]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.050671]  ? check_preemption_disabled+0x48/0x280
[  302.055695]  handle_mm_fault+0x54f/0xc70
[  302.059765]  ? __handle_mm_fault+0x5920/0x5920
[  302.064354]  ? find_vma+0x34/0x190
[  302.067903]  __do_page_fault+0x5e8/0xe60
[  302.071966]  ? trace_hardirqs_off+0xb8/0x310
[  302.076391]  do_page_fault+0xf2/0x7e0
[  302.080209]  ? vmalloc_sync_all+0x30/0x30
[  302.084362]  ? error_entry+0x70/0xd0
[  302.088077]  ? trace_hardirqs_off_caller+0xbb/0x310
[  302.093090]  ? trace_hardirqs_on_caller+0xc0/0x310
[  302.098019]  ? syscall_return_slowpath+0x5e0/0x5e0
[  302.102950]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.107793]  ? trace_hardirqs_on_caller+0x310/0x310
[  302.112811]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  302.118265]  ? prepare_exit_to_usermode+0x291/0x3b0
[  302.123284]  ? page_fault+0x8/0x30
[  302.126827]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.131693]  ? page_fault+0x8/0x30
[  302.135241]  page_fault+0x1e/0x30
[  302.138692] RIP: 0033:0x40f9c0
[  302.141893] Code: Bad RIP value.
[  302.145253] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  302.150616] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  302.157884] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  302.165150] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  302.172424] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  302.179692] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  302.186992] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  302.187056] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  302.194006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  302.194015] Call Trace:
[  302.200581] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  302.209838]  <IRQ>
[  302.212410] syz-fuzzer cpuset=
[  302.222626]  dump_stack+0x244/0x39d
[  302.224770] /
[  302.227958]  ? dump_stack_print_info.cold.1+0x20/0x20
[  302.231561]  mems_allowed=0
[  302.233280]  warn_alloc.cold.117+0xb7/0x1bd
[  302.245680]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  302.250527]  ? lock_downgrade+0x900/0x900
[  302.254686]  ? trace_hardirqs_off+0xb8/0x310
[  302.259104]  ? trace_hardirqs_off+0xb8/0x310
[  302.263523]  __alloc_pages_slowpath+0x2660/0x2d70
[  302.268397]  ? warn_alloc+0x120/0x120
[  302.272212]  ? warn_alloc+0x120/0x120
[  302.276019]  ? print_usage_bug+0xc0/0xc0
[  302.280083]  ? warn_alloc+0x120/0x120
[  302.283884]  ? print_usage_bug+0xc0/0xc0
[  302.287944]  ? __lock_acquire+0x62f/0x4c20
[  302.292190]  ? __lock_acquire+0x62f/0x4c20
[  302.296441]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.301978]  ? should_fail+0x22d/0xd01
[  302.305870]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.311151]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.316266]  ? __lock_acquire+0x62f/0x4c20
[  302.320505]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.325604]  ? __lock_acquire+0x62f/0x4c20
[  302.329839]  ? should_fail+0x22d/0xd01
[  302.333726]  ? rcu_irq_exit+0x1a2/0x390
[  302.337708]  ? mark_held_locks+0x130/0x130
[  302.341948]  ? mark_held_locks+0x130/0x130
[  302.346196]  ? mark_held_locks+0xc7/0x130
[  302.350343]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  302.355364]  ? zap_class+0x640/0x640
[  302.359082]  ? print_usage_bug+0xc0/0xc0
[  302.363147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.368693]  ? check_preemption_disabled+0x48/0x280
[  302.373720]  ? __lock_is_held+0xb5/0x140
[  302.377792]  __alloc_pages_nodemask+0xa80/0xde0
[  302.382466]  ? zap_class+0x640/0x640
[  302.386193]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  302.391227]  ? find_held_lock+0x36/0x1c0
[  302.395303]  ? ____cache_alloc_node+0x1c7/0x1e0
[  302.399972]  ? lock_downgrade+0x900/0x900
[  302.404133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.409678]  cache_grow_begin+0xa5/0x8c0
[  302.413739]  ? do_raw_spin_unlock+0xa7/0x330
[  302.418158]  fallback_alloc+0x204/0x2e0
[  302.422147]  ____cache_alloc_node+0x1c7/0x1e0
[  302.426656]  kmem_cache_alloc_node+0xe3/0x730
[  302.431433]  ? ipv6_get_ifaddr+0x42e/0x620
[  302.435685]  __alloc_skb+0x119/0x770
[  302.439402]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.444688]  ? netdev_alloc_frag+0x1f0/0x1f0
[  302.449102]  ? lock_downgrade+0x900/0x900
[  302.453260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.458798]  ? refcount_sub_and_test_checked+0x203/0x310
[  302.464265]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  302.469742]  ? addrconf_rs_timer+0x690/0x690
[  302.474163]  ndisc_alloc_skb+0x144/0x340
[  302.478250]  ndisc_send_rs+0x331/0x6e0
[  302.482144]  addrconf_rs_timer+0x314/0x690
[  302.486392]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.490644]  call_timer_fn+0x272/0x920
[  302.494534]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.498773]  ? process_timeout+0x40/0x40
[  302.502844]  ? __run_timers+0x7da/0xc70
[  302.506822]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.511318]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.515812]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.520051]  ? lockdep_hardirqs_on+0x296/0x5b0
[  302.524635]  ? trace_hardirqs_on+0xbd/0x310
[  302.528957]  ? kasan_check_read+0x11/0x20
[  302.533104]  ? __run_timers+0x7da/0xc70
[  302.537079]  ? trace_hardirqs_off_caller+0x310/0x310
[  302.542198]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.546447]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.550687]  __run_timers+0x7e5/0xc70
[  302.554502]  ? timer_fixup_init+0x70/0x70
[  302.558656]  ? kasan_check_read+0x11/0x20
[  302.562810]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.568089]  ? rcu_softirq_qs+0x20/0x20
[  302.572065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.577604]  ? check_preemption_disabled+0x48/0x280
[  302.582627]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  302.587394]  ? retint_kernel+0x2d/0x2d
[  302.591285]  ? trace_hardirqs_on_caller+0xc0/0x310
[  302.596217]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  302.600976]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  302.606431]  ? zap_class+0x640/0x640
[  302.610159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.615702]  ? check_preemption_disabled+0x48/0x280
[  302.620732]  ? __lock_is_held+0xb5/0x140
[  302.624794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.630337]  ? check_preemption_disabled+0x48/0x280
[  302.635360]  run_timer_softirq+0x52/0xb0
[  302.639421]  ? rcu_read_lock_sched_held+0x14f/0x180
[  302.644448]  __do_softirq+0x308/0xb7e
[  302.648257]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  302.652752]  ? lock_downgrade+0x900/0x900
[  302.656908]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  302.662023]  ? pvclock_read_flags+0x160/0x160
[  302.666524]  ? lapic_next_event+0x5a/0x90
[  302.670678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.676222]  ? kvm_clock_read+0x18/0x30
[  302.680202]  ? kvm_sched_clock_read+0x9/0x20
[  302.684614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.690152]  ? check_preemption_disabled+0x48/0x280
[  302.695195]  irq_exit+0x17f/0x1c0
[  302.698656]  smp_apic_timer_interrupt+0x1cb/0x760
[  302.703503]  ? smp_call_function_single_interrupt+0x159/0x650
[  302.709392]  ? smp_call_function_single_interrupt+0x650/0x650
[  302.715279]  ? interrupt_entry+0xb5/0xc0
[  302.719342]  ? trace_hardirqs_off_caller+0xbb/0x310
[  302.724356]  ? trace_hardirqs_off_caller+0xbb/0x310
[  302.729374]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.734218]  ? trace_hardirqs_on_caller+0x310/0x310
[  302.739233]  ? trace_hardirqs_on_caller+0x310/0x310
[  302.744248]  ? task_prio+0x50/0x50
[  302.747789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.753331]  ? check_preemption_disabled+0x48/0x280
[  302.758355]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.763215]  apic_timer_interrupt+0xf/0x20
[  302.767451]  </IRQ>
[  302.769693] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  302.774623] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  302.793520] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  302.801231] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  302.808501] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  302.815768] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  302.823032] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  302.830298] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  302.837609]  skb_clone+0x1bb/0x500
[  302.841150]  ? skb_split+0x11e0/0x11e0
[  302.845045]  ? check_preemption_disabled+0x48/0x280
[  302.850068]  ? __this_cpu_preempt_check+0x1c/0x20
[  302.854914]  ? __bpf_redirect+0x54b/0xb20
[  302.859073]  bpf_clone_redirect+0xb9/0x490
[  302.863323]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  302.868343]  ? __sched_text_start+0x8/0x8
[  302.872492]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  302.877257]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  302.881839]  ? retint_kernel+0x2d/0x2d
[  302.885731]  ? find_held_lock+0x36/0x1c0
[  302.889806]  ? lock_acquire+0x1ed/0x520
[  302.893780]  ? bpf_test_run+0x3cb/0x780
[  302.897763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.903303]  ? check_preemption_disabled+0x48/0x280
[  302.908331]  ? kasan_check_read+0x11/0x20
[  302.912482]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.917761]  ? rcu_softirq_qs+0x20/0x20
[  302.921735]  ? preempt_schedule+0x4d/0x60
[  302.925886]  ? ___preempt_schedule+0x16/0x18
[  302.930301]  ? bpf_test_run+0x25d/0x780
[  302.934289]  ? netlink_diag_dump+0x2a0/0x2a0
[  302.938704]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.944240]  ? bpf_test_init.isra.10+0x70/0x100
[  302.948916]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  302.953681]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  302.958523]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  302.964061]  ? fput+0x130/0x1a0
[  302.967345]  ? __bpf_prog_get+0x9b/0x290
[  302.971412]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  302.976261]  ? bpf_prog_test_run+0x130/0x1a0
[  302.980674]  ? __x64_sys_bpf+0x3d8/0x520
[  302.984740]  ? bpf_prog_get+0x20/0x20
[  302.988563]  ? do_syscall_64+0x1b9/0x820
[  302.992624]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  302.997989]  ? syscall_return_slowpath+0x5e0/0x5e0
[  303.002923]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.007773]  ? trace_hardirqs_on_caller+0x310/0x310
[  303.012795]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  303.017818]  ? prepare_exit_to_usermode+0x291/0x3b0
[  303.022842]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.027694]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  303.033080] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  303.033086] warn_alloc_show_mem: 1 callbacks suppressed
[  303.033093] Mem-Info:
[  303.039755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  303.039763] Call Trace:
[  303.045134] active_anon:56297 inactive_anon:436 isolated_anon:0
[  303.045134]  active_file:15 inactive_file:14 isolated_file:0
[  303.045134]  unevictable:0 dirty:0 writeback:0 unstable:0
[  303.045134]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  303.045134]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  303.045134]  free:13786 free_pcp:429 free_cma:0
[  303.047507]  <IRQ>
[  303.056873] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  303.059461]  dump_stack+0x244/0x39d
[  303.092409] Node 0 
[  303.094561]  ? dump_stack_print_info.cold.1+0x20/0x20
[  303.122319] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  303.125928]  warn_alloc.cold.117+0xb7/0x1bd
[  303.128125] lowmem_reserve[]:
[  303.133315]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  303.158791]  0 2818
[  303.163123]  ? lock_downgrade+0x900/0x900
[  303.166206]  6321
[  303.171049]  ? trace_hardirqs_off+0xb8/0x310
[  303.173259]  6321
[  303.177407]  ? trace_hardirqs_off+0xb8/0x310
[  303.183859]  __alloc_pages_slowpath+0x2660/0x2d70
[  303.185893] Node 0 
[  303.190320]  ? warn_alloc+0x120/0x120
[  303.195137] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  303.197351]  ? warn_alloc+0x120/0x120
[  303.201127] lowmem_reserve[]:
[  303.227854]  ? print_usage_bug+0xc0/0xc0
[  303.231634]  0
[  303.234736]  ? warn_alloc+0x120/0x120
[  303.238765]  0 3503
[  303.240572]  ? print_usage_bug+0xc0/0xc0
[  303.244345]  3503
[  303.246576]  ? __lock_acquire+0x62f/0x4c20
[  303.252681]  ? __lock_acquire+0x62f/0x4c20
[  303.256895] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  303.261157]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.261180]  ? should_fail+0x22d/0xd01
[  303.290222] lowmem_reserve[]:
[  303.295759]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  303.300131]  0 0
[  303.303247]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.308495]  0
[  303.310468]  ? __lock_acquire+0x62f/0x4c20
[  303.315547]  0
[  303.317344]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.323354]  ? __lock_acquire+0x62f/0x4c20
[  303.328442] Node 0 
[  303.332668]  ? should_fail+0x22d/0xd01
[  303.332678] DMA: 
[  303.334916]  ? rcu_irq_exit+0x1a2/0x390
[  303.338778] 1*4kB 
[  303.340839]  ? mark_held_locks+0x130/0x130
[  303.344780] (U) 
[  303.346929]  ? mark_held_locks+0x130/0x130
[  303.351131] 0*8kB 0*16kB 
[  303.353115]  ? mark_held_locks+0xc7/0x130
[  303.357330] 1*32kB 
[  303.360080]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  303.364207] (U) 
[  303.366440]  ? zap_class+0x640/0x640
[  303.371442] 2*64kB 
[  303.373410]  ? print_usage_bug+0xc0/0xc0
[  303.377092] (U) 1*128kB 
[  303.379332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.383369] (U) 
[  303.386035]  ? check_preemption_disabled+0x48/0x280
[  303.391545] 1*256kB 
[  303.393523]  ? __lock_is_held+0xb5/0x140
[  303.398507] (U) 
[  303.400830]  __alloc_pages_nodemask+0xa80/0xde0
[  303.404865] 0*512kB 
[  303.406837]  ? zap_class+0x640/0x640
[  303.411499] 1*1024kB 
[  303.413818]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  303.417504] (U) 
[  303.419914]  ? find_held_lock+0x36/0x1c0
[  303.424901] 1*2048kB 
[  303.426879]  ? ____cache_alloc_node+0x1c7/0x1e0
[  303.430910] (M) 
[  303.433314]  ? lock_downgrade+0x900/0x900
[  303.437961] 3*4096kB 
[  303.439943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.444058] (M) 
[  303.446464]  cache_grow_begin+0xa5/0x8c0
[  303.451977] = 15908kB
[  303.453950]  ? do_raw_spin_unlock+0xa7/0x330
[  303.457981] Node 0 
[  303.460396]  fallback_alloc+0x204/0x2e0
[  303.464771] DMA32: 5*4kB 
[  303.467018]  ____cache_alloc_node+0x1c7/0x1e0
[  303.470968] (UM) 
[  303.473724]  kmem_cache_alloc_node+0xe3/0x730
[  303.478200] 1*8kB 
[  303.480261]  ? ipv6_get_ifaddr+0x42e/0x620
[  303.484728] (U) 
[  303.486876]  __alloc_skb+0x119/0x770
[  303.491078] 2*16kB 
[  303.493056]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  303.496739] (M) 
[  303.498974]  ? netdev_alloc_frag+0x1f0/0x1f0
[  303.504229] 1*32kB 
[  303.506206]  ? lock_downgrade+0x900/0x900
[  303.510587] (M) 
[  303.512826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.516944] 3*64kB (M) 
[  303.518926]  ? refcount_sub_and_test_checked+0x203/0x310
[  303.524464] 5*128kB (UM) 
[  303.527052]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  303.532478] 3*256kB 
[  303.535231]  ? addrconf_rs_timer+0x690/0x690
[  303.540659] (M) 
[  303.542987]  ndisc_alloc_skb+0x144/0x340
[  303.547363] 4*512kB 
[  303.549339]  ndisc_send_rs+0x331/0x6e0
[  303.553372] (UM) 
[  303.555693]  addrconf_rs_timer+0x314/0x690
[  303.559556] 3*1024kB 
[  303.561613]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.565823] (UM) 
[  303.568242]  call_timer_fn+0x272/0x920
[  303.572442] 3*2048kB 
[  303.574499]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.578360] (UM) 
[  303.580764]  ? process_timeout+0x40/0x40
[  303.584990] 3*4096kB 
[  303.587052]  ? mark_held_locks+0xc7/0x130
[  303.591082] (M) 
[  303.593492]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.597610] = 25244kB
[  303.599581]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.604050] Node 0 
[  303.606450]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.606466]  ? lockdep_hardirqs_on+0x296/0x5b0
[  303.610943] Normal: 
[  303.613185]  ? trace_hardirqs_on+0xbd/0x310
[  303.617395] 719*4kB 
[  303.621973]  ? kasan_check_read+0x11/0x20
[  303.624271] (UMEH) 
[  303.628589]  ? __run_timers+0x7da/0xc70
[  303.630886] 258*8kB 
[  303.635026]  ? trace_hardirqs_off_caller+0x310/0x310
[  303.637244] (UME) 
[  303.641218]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.643518] 197*16kB 
[  303.648613]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.650738] (UME) 
[  303.654970]  __run_timers+0x7e5/0xc70
[  303.657350] 98*32kB (UME) 
[  303.661599]  ? timer_fixup_init+0x70/0x70
[  303.663720] 44*64kB 
[  303.667512]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  303.670330] (UM) 
[  303.674473]  ? zap_class+0x640/0x640
[  303.676771] 0*128kB 
[  303.681778]  ? print_usage_bug+0xc0/0xc0
[  303.683816] 0*256kB 
[  303.687521]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  303.689825] 0*512kB 
[  303.693881]  ? find_held_lock+0x36/0x1c0
[  303.696184] 0*1024kB 
[  303.701367]  ? zap_class+0x640/0x640
[  303.703667] 0*2048kB 
[  303.707719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.710106] 0*4096kB 
[  303.713814]  ? check_preemption_disabled+0x48/0x280
[  303.716204] = 14044kB
[  303.721740]  ? __lock_is_held+0xb5/0x140
[  303.724132] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  303.729163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.731564] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  303.735615]  ? check_preemption_disabled+0x48/0x280
[  303.744425] 4793 total pagecache pages
[  303.749963]  run_timer_softirq+0x52/0xb0
[  303.758514] 0 pages in swap cache
[  303.763518]  ? rcu_read_lock_sched_held+0x14f/0x180
[  303.767383] Swap cache stats: add 0, delete 0, find 0/0
[  303.771432]  __do_softirq+0x308/0xb7e
[  303.774862] Free swap  = 0kB
[  303.779869]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  303.785203] Total swap = 0kB
[  303.785211] 1965979 pages RAM
[  303.789007]  ? lock_downgrade+0x900/0x900
[  303.792000] 0 pages HighMem/MovableOnly
[  303.796486]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  303.799474] 342867 pages reserved
[  303.799482] 0 pages cma reserved
[  303.802585]  ? pvclock_read_flags+0x160/0x160
[  303.806770] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  303.810673]  ? lapic_next_event+0x5a/0x90
[  303.815809] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  303.819213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.822557] syz-executor4 cpuset=
[  303.827047]  ? kvm_clock_read+0x18/0x30
[  303.833515] syz4
[  303.837659]  ? kvm_sched_clock_read+0x9/0x20
[  303.848122]  mems_allowed=0
[  303.853648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.875834]  ? check_preemption_disabled+0x48/0x280
[  303.880863]  irq_exit+0x17f/0x1c0
[  303.884323]  smp_apic_timer_interrupt+0x1cb/0x760
[  303.889162]  ? smp_reschedule_interrupt+0x109/0x650
[  303.894194]  ? smp_call_function_single_interrupt+0x650/0x650
[  303.900084]  ? interrupt_entry+0xb5/0xc0
[  303.904149]  ? trace_hardirqs_off_caller+0xbb/0x310
[  303.909170]  ? trace_hardirqs_off_caller+0xbb/0x310
[  303.914204]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.919053]  ? trace_hardirqs_on_caller+0x310/0x310
[  303.924068]  ? trace_hardirqs_on_caller+0x310/0x310
[  303.929084]  ? task_prio+0x50/0x50
[  303.932636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.938172]  ? check_preemption_disabled+0x48/0x280
[  303.943214]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.948068]  apic_timer_interrupt+0xf/0x20
[  303.952297]  </IRQ>
[  303.954536] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  303.959727] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  303.978625] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  303.986335] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  303.993599] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  304.000864] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  304.008134] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  304.015405] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  304.022713]  retint_kernel+0x1b/0x2d
[  304.026426] RIP: 0010:dump_stack+0x358/0x39d
[  304.030838] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  304.049735] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  304.057449] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  304.064716] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  304.071986] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  304.079257] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  304.086525] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  304.093815]  ? dump_stack+0x34f/0x39d
[  304.097627]  ? dump_stack_print_info.cold.1+0x20/0x20
[  304.102829]  dump_header+0x27b/0xf72
[  304.106558]  ? mark_held_locks+0x130/0x130
[  304.110796]  ? pagefault_out_of_memory+0x197/0x197
[  304.115734]  ? __lock_acquire+0x62f/0x4c20
[  304.119970]  ? zap_class+0x640/0x640
[  304.123686]  ? percpu_ref_get_many+0x240/0x240
[  304.128274]  ? print_usage_bug+0xc0/0xc0
[  304.132340]  ? print_usage_bug+0xc0/0xc0
[  304.136414]  ? zap_class+0x640/0x640
[  304.140131]  ? print_usage_bug+0xc0/0xc0
[  304.144199]  ? print_usage_bug+0xc0/0xc0
[  304.148270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.153814]  ? find_held_lock+0x36/0x1c0
[  304.157883]  ? mark_held_locks+0xc7/0x130
[  304.162038]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  304.167147]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  304.172258]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  304.176842]  ? trace_hardirqs_on+0xbd/0x310
[  304.181166]  ? kasan_check_read+0x11/0x20
[  304.185323]  ? ___ratelimit+0x3b4/0x672
[  304.189300]  ? trace_hardirqs_off_caller+0x310/0x310
[  304.194410]  ? trace_hardirqs_on+0x310/0x310
[  304.198821]  ? lock_downgrade+0x900/0x900
[  304.202980]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  304.208085]  ? ___ratelimit+0x3b9/0x672
[  304.212061]  ? idr_get_free+0xec0/0xec0
[  304.216040]  ? find_held_lock+0x36/0x1c0
[  304.220114]  oom_kill_process.cold.27+0x10/0x903
[  304.224872]  ? zap_class+0x640/0x640
[  304.228590]  ? check_preemption_disabled+0x48/0x280
[  304.233617]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  304.238550]  ? kasan_check_read+0x11/0x20
[  304.242701]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.247984]  ? oom_evaluate_task+0x540/0x540
[  304.252397]  ? find_held_lock+0x36/0x1c0
[  304.256467]  ? out_of_memory+0x974/0x1430
[  304.260618]  ? lock_downgrade+0x900/0x900
[  304.264763]  ? check_preemption_disabled+0x48/0x280
[  304.269785]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  304.274715]  ? kasan_check_read+0x11/0x20
[  304.278866]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.284150]  ? rcu_softirq_qs+0x20/0x20
[  304.288140]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.293677]  ? oom_evaluate_task+0x302/0x540
[  304.298095]  out_of_memory+0xa84/0x1430
[  304.302082]  ? oom_killer_disable+0x3a0/0x3a0
[  304.306577]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  304.311512]  ? __mutex_add_waiter+0x2a0/0x2a0
[  304.316025]  __alloc_pages_slowpath+0x22d4/0x2d70
[  304.320904]  ? warn_alloc+0x120/0x120
[  304.324707]  ? rcu_softirq_qs+0x20/0x20
[  304.328714]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.334255]  ? should_fail+0x22d/0xd01
[  304.338147]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.343267]  ? zap_class+0x640/0x640
[  304.347010]  ? __lock_is_held+0xb5/0x140
[  304.351082]  ? mark_held_locks+0x130/0x130
[  304.355319]  ? lock_release+0xa00/0xa00
[  304.359295]  ? perf_trace_sched_process_exec+0x860/0x860
[  304.364762]  ? __might_sleep+0x95/0x190
[  304.368743]  __alloc_pages_nodemask+0xa80/0xde0
[  304.373442]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  304.378463]  ? __page_cache_alloc+0x191/0x5c0
[  304.382963]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  304.387899]  ? kasan_check_read+0x11/0x20
[  304.392048]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.397329]  ? zap_class+0x640/0x640
[  304.401051]  ? zap_class+0x640/0x640
[  304.404764]  ? zap_class+0x640/0x640
[  304.408478]  ? __do_page_cache_readahead+0x7ce/0x980
[  304.413588]  ? find_held_lock+0x36/0x1c0
[  304.417672]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  304.423223]  alloc_pages_current+0x173/0x350
[  304.427641]  __page_cache_alloc+0x38c/0x5c0
[  304.432440]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  304.437373]  ? kasan_check_read+0x11/0x20
[  304.441525]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.446806]  ? generic_perform_write+0x6a0/0x6a0
[  304.451567]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.457112]  ? check_preemption_disabled+0x48/0x280
[  304.462140]  filemap_fault+0x1594/0x25f0
[  304.466229]  ? __lock_page_or_retry+0xa00/0xa00
[  304.470906]  ? mark_held_locks+0x130/0x130
[  304.475153]  ? rcu_softirq_qs+0x20/0x20
[  304.479151]  ? filemap_map_pages+0xe04/0x1990
[  304.483668]  ? __free_object+0x173/0x340
[  304.487732]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  304.492662]  ? trace_hardirqs_off_caller+0x310/0x310
[  304.497774]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  304.502457]  ? debug_object_free+0x32d/0x690
[  304.506866]  ? kasan_check_read+0x11/0x20
[  304.511018]  ? debug_object_destroy+0x2b0/0x2b0
[  304.515695]  ? lock_pi_update_atomic+0x150/0x150
[  304.520451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.525993]  ? __hrtimer_init+0xdb/0x240
[  304.530071]  ? lock_acquire+0x1ed/0x520
[  304.534047]  ? ext4_filemap_fault+0x7a/0xad
[  304.538389]  ? lock_release+0xa00/0xa00
[  304.542364]  ? perf_trace_sched_process_exec+0x860/0x860
[  304.547816]  ? print_usage_bug+0xc0/0xc0
[  304.551878]  ? print_usage_bug+0xc0/0xc0
[  304.555966]  ? down_read+0x8d/0x120
[  304.559589]  ? ext4_filemap_fault+0x7a/0xad
[  304.563911]  ? __down_interruptible+0x700/0x700
[  304.568598]  ext4_filemap_fault+0x82/0xad
[  304.572750]  __do_fault+0x100/0x6b0
[  304.576376]  ? find_held_lock+0x36/0x1c0
[  304.580444]  ? pmd_devmap_trans_unstable+0x220/0x220
[  304.585551]  ? mark_held_locks+0x130/0x130
[  304.589792]  ? mark_held_locks+0x130/0x130
[  304.594038]  ? kasan_check_read+0x11/0x20
[  304.598200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.603744]  __handle_mm_fault+0x307c/0x5920
[  304.608150]  ? perf_trace_lock+0x7a0/0x7a0
[  304.612405]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  304.617282]  ? __switch_to_asm+0x34/0x70
[  304.621344]  ? __switch_to_asm+0x34/0x70
[  304.625420]  ? zap_class+0x640/0x640
[  304.629133]  ? zap_class+0x640/0x640
[  304.632846]  ? __x64_sys_futex+0x53e/0x6a0
[  304.637088]  ? find_held_lock+0x36/0x1c0
[  304.641159]  ? handle_mm_fault+0x42a/0xc70
[  304.645402]  ? lock_downgrade+0x900/0x900
[  304.649549]  ? check_preemption_disabled+0x48/0x280
[  304.654571]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  304.659503]  ? kasan_check_read+0x11/0x20
[  304.663658]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.668948]  ? rcu_softirq_qs+0x20/0x20
[  304.672928]  ? trace_hardirqs_off_caller+0x310/0x310
[  304.678041]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.683582]  ? check_preemption_disabled+0x48/0x280
[  304.688608]  handle_mm_fault+0x54f/0xc70
[  304.692675]  ? __handle_mm_fault+0x5920/0x5920
[  304.697262]  ? find_vma+0x34/0x190
[  304.700808]  __do_page_fault+0x5e8/0xe60
[  304.704868]  ? trace_hardirqs_off+0xb8/0x310
[  304.709288]  do_page_fault+0xf2/0x7e0
[  304.713093]  ? vmalloc_sync_all+0x30/0x30
[  304.717243]  ? error_entry+0x70/0xd0
[  304.720967]  ? trace_hardirqs_off_caller+0xbb/0x310
[  304.725982]  ? trace_hardirqs_on_caller+0xc0/0x310
[  304.730912]  ? syscall_return_slowpath+0x5e0/0x5e0
[  304.735844]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.740706]  ? trace_hardirqs_on_caller+0x310/0x310
[  304.745725]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  304.751189]  ? prepare_exit_to_usermode+0x291/0x3b0
[  304.756217]  ? page_fault+0x8/0x30
[  304.759760]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.764606]  ? page_fault+0x8/0x30
[  304.768151]  page_fault+0x1e/0x30
[  304.771611] RIP: 0033:0x40f9c0
[  304.774821] Code: Bad RIP value.
[  304.778273] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  304.783638] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  304.790908] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  304.798187] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  304.805454] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  304.812719] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  304.820015] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  304.820078] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  304.827032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  304.827038] Call Trace:
[  304.827044]  <IRQ>
[  304.827063]  dump_stack+0x244/0x39d
[  304.827081]  ? dump_stack_print_info.cold.1+0x20/0x20
[  304.833608] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  304.842912]  warn_alloc.cold.117+0xb7/0x1bd
[  304.845465] syz-fuzzer cpuset=
[  304.847612]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  304.851213] /
[  304.856397]  ? lock_downgrade+0x900/0x900
[  304.866599]  mems_allowed=0
[  304.870912]  ? trace_hardirqs_off+0xb8/0x310
[  304.892068]  ? trace_hardirqs_off+0xb8/0x310
[  304.896487]  __alloc_pages_slowpath+0x2660/0x2d70
[  304.901362]  ? warn_alloc+0x120/0x120
[  304.905173]  ? warn_alloc+0x120/0x120
[  304.908993]  ? print_usage_bug+0xc0/0xc0
[  304.913058]  ? warn_alloc+0x120/0x120
[  304.916863]  ? print_usage_bug+0xc0/0xc0
[  304.920931]  ? __lock_acquire+0x62f/0x4c20
[  304.925164]  ? __lock_acquire+0x62f/0x4c20
[  304.929412]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.934951]  ? should_fail+0x22d/0xd01
[  304.938848]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.943953]  ? __lock_acquire+0x62f/0x4c20
[  304.948202]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.953309]  ? __lock_acquire+0x62f/0x4c20
[  304.957542]  ? should_fail+0x22d/0xd01
[  304.961429]  ? find_held_lock+0x36/0x1c0
[  304.965509]  ? mark_held_locks+0x130/0x130
[  304.969748]  ? mark_held_locks+0x130/0x130
[  304.973979]  ? zap_class+0x640/0x640
[  304.977696]  ? zap_class+0x640/0x640
[  304.981416]  ? print_usage_bug+0xc0/0xc0
[  304.985479]  ? do_raw_spin_unlock+0xa7/0x330
[  304.989892]  ? zap_class+0x640/0x640
[  304.993607]  ? print_usage_bug+0xc0/0xc0
[  304.997665]  ? wq_watchdog_touch+0x9c/0xfe
[  305.001909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.007453]  ? check_preemption_disabled+0x48/0x280
[  305.012482]  ? __lock_is_held+0xb5/0x140
[  305.016552]  __alloc_pages_nodemask+0xa80/0xde0
[  305.021227]  ? zap_class+0x640/0x640
[  305.024944]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  305.029972]  ? find_held_lock+0x36/0x1c0
[  305.034088]  ? ____cache_alloc_node+0x1c7/0x1e0
[  305.038762]  ? lock_downgrade+0x900/0x900
[  305.042918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.048467]  cache_grow_begin+0xa5/0x8c0
[  305.052528]  ? do_raw_spin_unlock+0xa7/0x330
[  305.056950]  fallback_alloc+0x204/0x2e0
[  305.060934]  ____cache_alloc_node+0x1c7/0x1e0
[  305.065441]  kmem_cache_alloc_node+0xe3/0x730
[  305.069939]  ? ipv6_get_ifaddr+0x42e/0x620
[  305.074197]  __alloc_skb+0x119/0x770
[  305.077914]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.083204]  ? netdev_alloc_frag+0x1f0/0x1f0
[  305.087614]  ? lock_downgrade+0x900/0x900
[  305.091774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.097312]  ? refcount_sub_and_test_checked+0x203/0x310
[  305.102772]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  305.108232]  ? addrconf_rs_timer+0x690/0x690
[  305.112653]  ndisc_alloc_skb+0x144/0x340
[  305.116726]  ndisc_send_rs+0x331/0x6e0
[  305.120618]  addrconf_rs_timer+0x314/0x690
[  305.124861]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.129113]  call_timer_fn+0x272/0x920
[  305.133002]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.137239]  ? process_timeout+0x40/0x40
[  305.141314]  ? __run_timers+0x7da/0xc70
[  305.145293]  ? _raw_spin_unlock_irq+0x27/0x80
[  305.149791]  ? _raw_spin_unlock_irq+0x27/0x80
[  305.154284]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.158517]  ? lockdep_hardirqs_on+0x296/0x5b0
[  305.163105]  ? trace_hardirqs_on+0xbd/0x310
[  305.167428]  ? kasan_check_read+0x11/0x20
[  305.171586]  ? __run_timers+0x7da/0xc70
[  305.175561]  ? trace_hardirqs_off_caller+0x310/0x310
[  305.180667]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.184906]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.189145]  __run_timers+0x7e5/0xc70
[  305.192964]  ? timer_fixup_init+0x70/0x70
[  305.197120]  ? kasan_check_read+0x11/0x20
[  305.201275]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.206556]  ? rcu_softirq_qs+0x20/0x20
[  305.210537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.216076]  ? check_preemption_disabled+0x48/0x280
[  305.221098]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  305.225864]  ? retint_kernel+0x2d/0x2d
[  305.229754]  ? trace_hardirqs_on_caller+0xc0/0x310
[  305.234693]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  305.239466]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  305.244923]  ? zap_class+0x640/0x640
[  305.248644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.254200]  ? check_preemption_disabled+0x48/0x280
[  305.259241]  ? __lock_is_held+0xb5/0x140
[  305.263308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.268853]  ? check_preemption_disabled+0x48/0x280
[  305.273874]  run_timer_softirq+0x52/0xb0
[  305.277967]  ? rcu_read_lock_sched_held+0x14f/0x180
[  305.282984]  __do_softirq+0x308/0xb7e
[  305.286797]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  305.291294]  ? lock_downgrade+0x900/0x900
[  305.295456]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  305.301034]  ? pvclock_read_flags+0x160/0x160
[  305.305535]  ? lapic_next_event+0x5a/0x90
[  305.309686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.315234]  ? kvm_clock_read+0x18/0x30
[  305.319216]  ? kvm_sched_clock_read+0x9/0x20
[  305.323630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.329173]  ? check_preemption_disabled+0x48/0x280
[  305.334219]  irq_exit+0x17f/0x1c0
[  305.337679]  smp_apic_timer_interrupt+0x1cb/0x760
[  305.342526]  ? smp_call_function_single_interrupt+0x159/0x650
[  305.348423]  ? smp_call_function_single_interrupt+0x650/0x650
[  305.354323]  ? interrupt_entry+0xb5/0xc0
[  305.358392]  ? trace_hardirqs_off_caller+0xbb/0x310
[  305.363413]  ? trace_hardirqs_off_caller+0xbb/0x310
[  305.368450]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.373306]  ? trace_hardirqs_on_caller+0x310/0x310
[  305.378330]  ? trace_hardirqs_on_caller+0x310/0x310
[  305.383354]  ? task_prio+0x50/0x50
[  305.386901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.392449]  ? check_preemption_disabled+0x48/0x280
[  305.397484]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.402342]  apic_timer_interrupt+0xf/0x20
[  305.406576]  </IRQ>
[  305.408820] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  305.413754] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  305.432669] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  305.440393] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  305.447675] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  305.454953] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  305.462365] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  305.469649] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  305.476968]  skb_clone+0x1bb/0x500
[  305.480519]  ? skb_split+0x11e0/0x11e0
[  305.484410]  ? check_preemption_disabled+0x48/0x280
[  305.489443]  ? __this_cpu_preempt_check+0x1c/0x20
[  305.494293]  ? __bpf_redirect+0x54b/0xb20
[  305.498464]  bpf_clone_redirect+0xb9/0x490
[  305.502712]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  305.507734]  ? __sched_text_start+0x8/0x8
[  305.511884]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  305.516647]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  305.521232]  ? retint_kernel+0x2d/0x2d
[  305.525131]  ? find_held_lock+0x36/0x1c0
[  305.529213]  ? lock_acquire+0x1ed/0x520
[  305.533201]  ? bpf_test_run+0x3cb/0x780
[  305.537192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.542735]  ? check_preemption_disabled+0x48/0x280
[  305.547760]  ? kasan_check_read+0x11/0x20
[  305.551918]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.557208]  ? rcu_softirq_qs+0x20/0x20
[  305.561192]  ? preempt_schedule+0x4d/0x60
[  305.565344]  ? ___preempt_schedule+0x16/0x18
[  305.569766]  ? bpf_test_run+0x25d/0x780
[  305.573757]  ? netlink_diag_dump+0x2a0/0x2a0
[  305.578174]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.583721]  ? bpf_test_init.isra.10+0x70/0x100
[  305.588396]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  305.593168]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  305.598039]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  305.603591]  ? fput+0x130/0x1a0
[  305.606887]  ? __bpf_prog_get+0x9b/0x290
[  305.610964]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  305.615810]  ? bpf_prog_test_run+0x130/0x1a0
[  305.620227]  ? __x64_sys_bpf+0x3d8/0x520
[  305.624297]  ? bpf_prog_get+0x20/0x20
[  305.628123]  ? do_syscall_64+0x1b9/0x820
[  305.632198]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  305.637577]  ? syscall_return_slowpath+0x5e0/0x5e0
[  305.642518]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.647373]  ? trace_hardirqs_on_caller+0x310/0x310
[  305.652396]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  305.657424]  ? prepare_exit_to_usermode+0x291/0x3b0
[  305.662462]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.667327]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  305.672715] warn_alloc_show_mem: 1 callbacks suppressed
[  305.672727] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  305.672729] Mem-Info:
[  305.672760] active_anon:56297 inactive_anon:436 isolated_anon:0
[  305.672760]  active_file:15 inactive_file:14 isolated_file:0
[  305.672760]  unevictable:0 dirty:0 writeback:0 unstable:0
[  305.672760]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  305.672760]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  305.672760]  free:13786 free_pcp:429 free_cma:0
[  305.678101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  305.678110] Call Trace:
[  305.684787] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  305.687198]  <IRQ>
[  305.720338] Node 0 
[  305.729707]  dump_stack+0x244/0x39d
[  305.732291] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  305.760041]  ? dump_stack_print_info.cold.1+0x20/0x20
[  305.762167] lowmem_reserve[]:
[  305.764431]  warn_alloc.cold.117+0xb7/0x1bd
[  305.768023]  0
[  305.793526]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  305.798690]  2818
[  305.801789]  ? lock_downgrade+0x900/0x900
[  305.806081]  6321
[  305.807881]  ? trace_hardirqs_off+0xb8/0x310
[  305.812688]  6321
[  305.814760]  ? trace_hardirqs_off+0xb8/0x310
[  305.818880] Node 0 
[  305.820947]  __alloc_pages_slowpath+0x2660/0x2d70
[  305.825342] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  305.827404]  ? warn_alloc+0x120/0x120
[  305.831758] lowmem_reserve[]:
[  305.833990]  ? warn_alloc+0x120/0x120
[  305.838806]  0
[  305.865517]  ? print_usage_bug+0xc0/0xc0
[  305.869291]  0
[  305.872387]  ? warn_alloc+0x120/0x120
[  305.876164]  3503
[  305.877974]  ? print_usage_bug+0xc0/0xc0
[  305.882007]  3503
[  305.883804]  ? __lock_acquire+0x62f/0x4c20
[  305.889653]  ? __lock_acquire+0x62f/0x4c20
[  305.893692] Node 0 
[  305.895767]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.900006] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  305.904211]  ? should_fail+0x22d/0xd01
[  305.906426] lowmem_reserve[]:
[  305.911975]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.940398]  0 0
[  305.944291]  ? __lock_acquire+0x62f/0x4c20
[  305.947374]  0
[  305.952475]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.954420]  0
[  305.958658]  ? __lock_acquire+0x62f/0x4c20
[  305.960435] Node 0 
[  305.965531]  ? should_fail+0x22d/0xd01
[  305.967309] DMA: 
[  305.971537]  ? find_held_lock+0x36/0x1c0
[  305.973754] 1*4kB 
[  305.977636]  ? mark_held_locks+0x130/0x130
[  305.979674] (U) 
[  305.983729]  ? mark_held_locks+0x130/0x130
[  305.985853] 0*8kB 
[  305.990077]  ? zap_class+0x640/0x640
[  305.992029] 0*16kB 
[  305.996259]  ? zap_class+0x640/0x640
[  305.998388] 1*32kB 
[  306.002092]  ? print_usage_bug+0xc0/0xc0
[  306.004302] (U) 
[  306.008007]  ? do_raw_spin_unlock+0xa7/0x330
[  306.010221] 2*64kB 
[  306.014276]  ? zap_class+0x640/0x640
[  306.016229] (U) 
[  306.020632]  ? print_usage_bug+0xc0/0xc0
[  306.022848] 1*128kB 
[  306.026556]  ? wq_watchdog_touch+0x9c/0xfe
[  306.028508] (U) 
[  306.032562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.034857] 1*256kB 
[  306.039083]  ? check_preemption_disabled+0x48/0x280
[  306.041031] (U) 
[  306.046567]  ? __lock_is_held+0xb5/0x140
[  306.048860] 0*512kB 
[  306.053872]  __alloc_pages_nodemask+0xa80/0xde0
[  306.055824] 1*1024kB 
[  306.059876]  ? zap_class+0x640/0x640
[  306.062174] (U) 
[  306.066849]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  306.069237] 1*2048kB 
[  306.072951]  ? find_held_lock+0x36/0x1c0
[  306.074889] (M) 
[  306.079904]  ? ____cache_alloc_node+0x1c7/0x1e0
[  306.082287] 3*4096kB 
[  306.086344]  ? lock_downgrade+0x900/0x900
[  306.088300] (M) 
[  306.092971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.095356] = 15908kB
[  306.099498]  cache_grow_begin+0xa5/0x8c0
[  306.101453] Node 0 
[  306.106985]  ? do_raw_spin_unlock+0xa7/0x330
[  306.109372] DMA32: 
[  306.113431]  fallback_alloc+0x204/0x2e0
[  306.115734] 5*4kB 
[  306.120136]  ____cache_alloc_node+0x1c7/0x1e0
[  306.122346] (UM) 
[  306.126315]  kmem_cache_alloc_node+0xe3/0x730
[  306.128444] 1*8kB 
[  306.132928]  ? ipv6_get_ifaddr+0x42e/0x620
[  306.134967] (U) 
[  306.139464]  __alloc_skb+0x119/0x770
[  306.141584] 2*16kB 
[  306.145814]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.147764] (M) 
[  306.151473]  ? netdev_alloc_frag+0x1f0/0x1f0
[  306.153683] 1*32kB (M) 
[  306.158964]  ? lock_downgrade+0x900/0x900
[  306.160913] 3*64kB 
[  306.165316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.167874] (M) 
[  306.172024]  ? refcount_sub_and_test_checked+0x203/0x310
[  306.174232] 5*128kB 
[  306.179761]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  306.181712] (UM) 
[  306.187156]  ? addrconf_rs_timer+0x690/0x690
[  306.189460] 3*256kB 
[  306.194908]  ndisc_alloc_skb+0x144/0x340
[  306.196936] (M) 
[  306.201357]  ndisc_send_rs+0x331/0x6e0
[  306.203655] 4*512kB 
[  306.207707]  addrconf_rs_timer+0x314/0x690
[  306.209660] (UM) 
[  306.213541]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.215839] 3*1024kB 
[  306.220077]  call_timer_fn+0x272/0x920
[  306.222105] (UM) 
[  306.226331]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.228721] 3*2048kB 
[  306.232604]  ? process_timeout+0x40/0x40
[  306.234644] (UM) 
[  306.238879]  ? mark_held_locks+0xc7/0x130
[  306.241259] 3*4096kB 
[  306.245314]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.247353] (M) 
[  306.251493]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.253883] = 25244kB
[  306.258369]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.260326] Node 0 
[  306.264812]  ? lockdep_hardirqs_on+0x296/0x5b0
[  306.267213] Normal: 
[  306.271440]  ? trace_hardirqs_on+0xbd/0x310
[  306.273655] 719*4kB 
[  306.278229]  ? kasan_check_read+0x11/0x20
[  306.280526] (UMEH) 
[  306.284845]  ? __run_timers+0x7da/0xc70
[  306.287147] 258*8kB 
[  306.291286]  ? trace_hardirqs_off_caller+0x310/0x310
[  306.293498] (UME) 
[  306.297466]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.299972] 197*16kB 
[  306.305070]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.307201] (UME) 
[  306.311429]  __run_timers+0x7e5/0xc70
[  306.313821] 98*32kB 
[  306.318058]  ? timer_fixup_init+0x70/0x70
[  306.320173] (UME) 
[  306.323978]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  306.326278] 44*64kB 
[  306.330421]  ? zap_class+0x640/0x640
[  306.332549] (UM) 
[  306.337558]  ? print_usage_bug+0xc0/0xc0
[  306.339859] 0*128kB 
[  306.343562]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  306.345604] 0*256kB 
[  306.349662]  ? find_held_lock+0x36/0x1c0
[  306.351965] 0*512kB 
[  306.357148]  ? zap_class+0x640/0x640
[  306.359446] 0*1024kB 
[  306.363501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.365801] 0*2048kB 
[  306.369505]  ? check_preemption_disabled+0x48/0x280
[  306.371893] 0*4096kB 
[  306.377427]  ? __lock_is_held+0xb5/0x140
[  306.379808] = 14044kB
[  306.384819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.387215] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  306.391260]  ? check_preemption_disabled+0x48/0x280
[  306.393651] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  306.399183]  run_timer_softirq+0x52/0xb0
[  306.407992] 4793 total pagecache pages
[  306.413003]  ? rcu_read_lock_sched_held+0x14f/0x180
[  306.421559] 0 pages in swap cache
[  306.425610]  __do_softirq+0x308/0xb7e
[  306.429746] Swap cache stats: add 0, delete 0, find 0/0
[  306.429749] Free swap  = 0kB
[  306.429752] Total swap = 0kB
[  306.429757] 1965979 pages RAM
[  306.429760] 0 pages HighMem/MovableOnly
[  306.429762] 342867 pages reserved
[  306.429765] 0 pages cma reserved
[  306.429828] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  306.429873] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  306.429878] syz-executor4 cpuset=syz4 mems_allowed=0
[  306.489873]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  306.494372]  ? lock_downgrade+0x900/0x900
[  306.498524]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  306.503640]  ? pvclock_read_flags+0x160/0x160
[  306.508137]  ? lapic_next_event+0x5a/0x90
[  306.512288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.517831]  ? kvm_clock_read+0x18/0x30
[  306.521805]  ? kvm_sched_clock_read+0x9/0x20
[  306.526221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.531761]  ? check_preemption_disabled+0x48/0x280
[  306.536793]  irq_exit+0x17f/0x1c0
[  306.540248]  smp_apic_timer_interrupt+0x1cb/0x760
[  306.545094]  ? smp_reschedule_interrupt+0x109/0x650
[  306.550111]  ? smp_call_function_single_interrupt+0x650/0x650
[  306.555999]  ? interrupt_entry+0xb5/0xc0
[  306.560062]  ? trace_hardirqs_off_caller+0xbb/0x310
[  306.565080]  ? trace_hardirqs_off_caller+0xbb/0x310
[  306.570101]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.574949]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.579967]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.584983]  ? task_prio+0x50/0x50
[  306.588529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.594066]  ? check_preemption_disabled+0x48/0x280
[  306.599090]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.603956]  apic_timer_interrupt+0xf/0x20
[  306.608195]  </IRQ>
[  306.610434] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  306.615626] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  306.634626] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  306.642338] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  306.649609] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  306.656879] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  306.664145] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  306.671419] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  306.678725]  retint_kernel+0x1b/0x2d
[  306.682450] RIP: 0010:dump_stack+0x358/0x39d
[  306.686861] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  306.705773] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  306.713489] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  306.720756] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  306.728023] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  306.735294] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  306.742575] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  306.749881]  ? dump_stack+0x34f/0x39d
[  306.753700]  ? dump_stack_print_info.cold.1+0x20/0x20
[  306.758908]  dump_header+0x27b/0xf72
[  306.762641]  ? mark_held_locks+0x130/0x130
[  306.766878]  ? pagefault_out_of_memory+0x197/0x197
[  306.771816]  ? __lock_acquire+0x62f/0x4c20
[  306.776049]  ? zap_class+0x640/0x640
[  306.779773]  ? percpu_ref_get_many+0x240/0x240
[  306.784362]  ? print_usage_bug+0xc0/0xc0
[  306.788428]  ? print_usage_bug+0xc0/0xc0
[  306.792498]  ? zap_class+0x640/0x640
[  306.796214]  ? print_usage_bug+0xc0/0xc0
[  306.800279]  ? print_usage_bug+0xc0/0xc0
[  306.804352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.809899]  ? find_held_lock+0x36/0x1c0
[  306.813978]  ? mark_held_locks+0xc7/0x130
[  306.818131]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  306.823234]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  306.828341]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  306.832929]  ? trace_hardirqs_on+0xbd/0x310
[  306.837256]  ? kasan_check_read+0x11/0x20
[  306.841437]  ? ___ratelimit+0x3b4/0x672
[  306.845415]  ? trace_hardirqs_off_caller+0x310/0x310
[  306.850524]  ? trace_hardirqs_on+0x310/0x310
[  306.854936]  ? lock_downgrade+0x900/0x900
[  306.859098]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  306.864211]  ? ___ratelimit+0x3b9/0x672
[  306.868211]  ? idr_get_free+0xec0/0xec0
[  306.872199]  ? find_held_lock+0x36/0x1c0
[  306.876272]  oom_kill_process.cold.27+0x10/0x903
[  306.881029]  ? zap_class+0x640/0x640
[  306.884742]  ? check_preemption_disabled+0x48/0x280
[  306.889764]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  306.894693]  ? kasan_check_read+0x11/0x20
[  306.898847]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.904125]  ? oom_evaluate_task+0x540/0x540
[  306.908537]  ? find_held_lock+0x36/0x1c0
[  306.912607]  ? out_of_memory+0x974/0x1430
[  306.916760]  ? lock_downgrade+0x900/0x900
[  306.920907]  ? check_preemption_disabled+0x48/0x280
[  306.925931]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  306.930867]  ? kasan_check_read+0x11/0x20
[  306.935021]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.940301]  ? rcu_softirq_qs+0x20/0x20
[  306.944287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.949822]  ? oom_evaluate_task+0x302/0x540
[  306.954237]  out_of_memory+0xa84/0x1430
[  306.958222]  ? oom_killer_disable+0x3a0/0x3a0
[  306.962719]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  306.967651]  ? __mutex_add_waiter+0x2a0/0x2a0
[  306.972164]  __alloc_pages_slowpath+0x22d4/0x2d70
[  306.977049]  ? warn_alloc+0x120/0x120
[  306.980855]  ? rcu_softirq_qs+0x20/0x20
[  306.984944]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.990485]  ? should_fail+0x22d/0xd01
[  306.994376]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.999480]  ? zap_class+0x640/0x640
[  307.003226]  ? __lock_is_held+0xb5/0x140
[  307.007299]  ? mark_held_locks+0x130/0x130
[  307.011542]  ? lock_release+0xa00/0xa00
[  307.015525]  ? perf_trace_sched_process_exec+0x860/0x860
[  307.020988]  ? __might_sleep+0x95/0x190
[  307.024985]  __alloc_pages_nodemask+0xa80/0xde0
[  307.029664]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  307.034686]  ? __page_cache_alloc+0x191/0x5c0
[  307.039195]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  307.044127]  ? kasan_check_read+0x11/0x20
[  307.048279]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.053561]  ? zap_class+0x640/0x640
[  307.057289]  ? zap_class+0x640/0x640
[  307.061004]  ? zap_class+0x640/0x640
[  307.064724]  ? __do_page_cache_readahead+0x7ce/0x980
[  307.069836]  ? find_held_lock+0x36/0x1c0
[  307.073910]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  307.079466]  alloc_pages_current+0x173/0x350
[  307.083891]  __page_cache_alloc+0x38c/0x5c0
[  307.088226]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  307.093164]  ? kasan_check_read+0x11/0x20
[  307.097416]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.102700]  ? generic_perform_write+0x6a0/0x6a0
[  307.107498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.113040]  ? check_preemption_disabled+0x48/0x280
[  307.118070]  filemap_fault+0x1594/0x25f0
[  307.122148]  ? __lock_page_or_retry+0xa00/0xa00
[  307.126829]  ? mark_held_locks+0x130/0x130
[  307.131070]  ? rcu_softirq_qs+0x20/0x20
[  307.135060]  ? filemap_map_pages+0xe04/0x1990
[  307.139571]  ? __free_object+0x173/0x340
[  307.143641]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  307.148574]  ? trace_hardirqs_off_caller+0x310/0x310
[  307.153683]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  307.158367]  ? debug_object_free+0x32d/0x690
[  307.162774]  ? kasan_check_read+0x11/0x20
[  307.166931]  ? debug_object_destroy+0x2b0/0x2b0
[  307.171608]  ? lock_pi_update_atomic+0x150/0x150
[  307.176368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.181903]  ? __hrtimer_init+0xdb/0x240
[  307.185982]  ? lock_acquire+0x1ed/0x520
[  307.189959]  ? ext4_filemap_fault+0x7a/0xad
[  307.194289]  ? lock_release+0xa00/0xa00
[  307.198263]  ? perf_trace_sched_process_exec+0x860/0x860
[  307.203715]  ? print_usage_bug+0xc0/0xc0
[  307.207780]  ? print_usage_bug+0xc0/0xc0
[  307.211856]  ? down_read+0x8d/0x120
[  307.215480]  ? ext4_filemap_fault+0x7a/0xad
[  307.219806]  ? __down_interruptible+0x700/0x700
[  307.224488]  ext4_filemap_fault+0x82/0xad
[  307.228640]  __do_fault+0x100/0x6b0
[  307.232269]  ? find_held_lock+0x36/0x1c0
[  307.236340]  ? pmd_devmap_trans_unstable+0x220/0x220
[  307.241446]  ? mark_held_locks+0x130/0x130
[  307.245688]  ? mark_held_locks+0x130/0x130
[  307.249943]  ? kasan_check_read+0x11/0x20
[  307.254096]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.259638]  __handle_mm_fault+0x307c/0x5920
[  307.264046]  ? perf_trace_lock+0x7a0/0x7a0
[  307.268294]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  307.273149]  ? __switch_to_asm+0x34/0x70
[  307.277219]  ? __switch_to_asm+0x34/0x70
[  307.281297]  ? zap_class+0x640/0x640
[  307.285012]  ? zap_class+0x640/0x640
[  307.288731]  ? __x64_sys_futex+0x53e/0x6a0
[  307.292973]  ? find_held_lock+0x36/0x1c0
[  307.297051]  ? handle_mm_fault+0x42a/0xc70
[  307.301548]  ? lock_downgrade+0x900/0x900
[  307.305696]  ? check_preemption_disabled+0x48/0x280
[  307.310717]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  307.315646]  ? kasan_check_read+0x11/0x20
[  307.319800]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.325077]  ? rcu_softirq_qs+0x20/0x20
[  307.329053]  ? trace_hardirqs_off_caller+0x310/0x310
[  307.334158]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.339715]  ? check_preemption_disabled+0x48/0x280
[  307.344740]  handle_mm_fault+0x54f/0xc70
[  307.348806]  ? __handle_mm_fault+0x5920/0x5920
[  307.353395]  ? find_vma+0x34/0x190
[  307.356954]  __do_page_fault+0x5e8/0xe60
[  307.361015]  ? trace_hardirqs_off+0xb8/0x310
[  307.365436]  do_page_fault+0xf2/0x7e0
[  307.369239]  ? vmalloc_sync_all+0x30/0x30
[  307.373390]  ? error_entry+0x70/0xd0
[  307.377110]  ? trace_hardirqs_off_caller+0xbb/0x310
[  307.382129]  ? trace_hardirqs_on_caller+0xc0/0x310
[  307.387066]  ? syscall_return_slowpath+0x5e0/0x5e0
[  307.391993]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.396858]  ? trace_hardirqs_on_caller+0x310/0x310
[  307.401875]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  307.407335]  ? prepare_exit_to_usermode+0x291/0x3b0
[  307.412361]  ? page_fault+0x8/0x30
[  307.415904]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.420756]  ? page_fault+0x8/0x30
[  307.424302]  page_fault+0x1e/0x30
[  307.427759] RIP: 0033:0x40f9c0
[  307.431481] Code: Bad RIP value.
[  307.434842] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  307.440211] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  307.447475] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  307.454742] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  307.462009] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  307.469278] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  307.476578] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  307.476641] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  307.483599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  307.483621] Call Trace:
[  307.490202] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  307.499446]  <IRQ>
[  307.502014] syz-fuzzer cpuset=
[  307.512232]  dump_stack+0x244/0x39d
[  307.514355] /
[  307.517541]  ? dump_stack_print_info.cold.1+0x20/0x20
[  307.521144]  mems_allowed=0
[  307.522864]  warn_alloc.cold.117+0xb7/0x1bd
[  307.535252]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  307.540104]  ? lock_downgrade+0x900/0x900
[  307.544261]  ? trace_hardirqs_off+0xb8/0x310
[  307.548676]  ? trace_hardirqs_off+0xb8/0x310
[  307.553096]  __alloc_pages_slowpath+0x2660/0x2d70
[  307.557969]  ? warn_alloc+0x120/0x120
[  307.561772]  ? zap_class+0x640/0x640
[  307.565486]  ? warn_alloc+0x120/0x120
[  307.569292]  ? print_usage_bug+0xc0/0xc0
[  307.573356]  ? warn_alloc+0x120/0x120
[  307.577157]  ? print_usage_bug+0xc0/0xc0
[  307.581227]  ? __lock_acquire+0x62f/0x4c20
[  307.585465]  ? __lock_acquire+0x62f/0x4c20
[  307.589698]  ? __lock_acquire+0x62f/0x4c20
[  307.593938]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.599477]  ? should_fail+0x22d/0xd01
[  307.603372]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.608475]  ? __lock_acquire+0x62f/0x4c20
[  307.612715]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.617819]  ? __lock_acquire+0x62f/0x4c20
[  307.622052]  ? should_fail+0x22d/0xd01
[  307.625952]  ? mark_held_locks+0x130/0x130
[  307.630199]  ? mark_held_locks+0x130/0x130
[  307.634434]  ? do_raw_spin_unlock+0xa7/0x330
[  307.638846]  ? do_raw_spin_trylock+0x270/0x270
[  307.643442]  ? zap_class+0x640/0x640
[  307.647160]  ? print_usage_bug+0xc0/0xc0
[  307.651236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.656773]  ? check_preemption_disabled+0x48/0x280
[  307.661798]  ? __lock_is_held+0xb5/0x140
[  307.665867]  __alloc_pages_nodemask+0xa80/0xde0
[  307.670536]  ? zap_class+0x640/0x640
[  307.674255]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  307.679284]  ? find_held_lock+0x36/0x1c0
[  307.683361]  ? ____cache_alloc_node+0x1c7/0x1e0
[  307.688031]  ? lock_downgrade+0x900/0x900
[  307.692199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.697744]  cache_grow_begin+0xa5/0x8c0
[  307.701803]  ? do_raw_spin_unlock+0xa7/0x330
[  307.706226]  fallback_alloc+0x204/0x2e0
[  307.710219]  ____cache_alloc_node+0x1c7/0x1e0
[  307.714727]  kmem_cache_alloc_node+0xe3/0x730
[  307.719227]  ? ipv6_get_ifaddr+0x42e/0x620
[  307.723478]  __alloc_skb+0x119/0x770
[  307.727203]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.732493]  ? netdev_alloc_frag+0x1f0/0x1f0
[  307.736902]  ? lock_downgrade+0x900/0x900
[  307.741079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.746624]  ? refcount_sub_and_test_checked+0x203/0x310
[  307.752085]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  307.757538]  ? addrconf_rs_timer+0x690/0x690
[  307.761957]  ndisc_alloc_skb+0x144/0x340
[  307.766027]  ndisc_send_rs+0x331/0x6e0
[  307.769921]  addrconf_rs_timer+0x314/0x690
[  307.774166]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.778424]  call_timer_fn+0x272/0x920
[  307.782314]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.786555]  ? process_timeout+0x40/0x40
[  307.790634]  ? __run_timers+0x7da/0xc70
[  307.794621]  ? _raw_spin_unlock_irq+0x27/0x80
[  307.799121]  ? _raw_spin_unlock_irq+0x27/0x80
[  307.803618]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.807855]  ? lockdep_hardirqs_on+0x296/0x5b0
[  307.812450]  ? trace_hardirqs_on+0xbd/0x310
[  307.816777]  ? kasan_check_read+0x11/0x20
[  307.820928]  ? __run_timers+0x7da/0xc70
[  307.824905]  ? trace_hardirqs_off_caller+0x310/0x310
[  307.830017]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.834262]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.838504]  __run_timers+0x7e5/0xc70
[  307.842320]  ? timer_fixup_init+0x70/0x70
[  307.846480]  ? kasan_check_read+0x11/0x20
[  307.850635]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.855921]  ? rcu_softirq_qs+0x20/0x20
[  307.859905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.865453]  ? check_preemption_disabled+0x48/0x280
[  307.870483]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  307.875247]  ? retint_kernel+0x2d/0x2d
[  307.879143]  ? trace_hardirqs_on_caller+0xc0/0x310
[  307.884087]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  307.888850]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  307.894304]  ? zap_class+0x640/0x640
[  307.898029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.903572]  ? check_preemption_disabled+0x48/0x280
[  307.908604]  ? __lock_is_held+0xb5/0x140
[  307.912672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.918218]  ? check_preemption_disabled+0x48/0x280
[  307.923244]  run_timer_softirq+0x52/0xb0
[  307.927310]  ? rcu_read_lock_sched_held+0x14f/0x180
[  307.932326]  __do_softirq+0x308/0xb7e
[  307.936134]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  307.940632]  ? lock_downgrade+0x900/0x900
[  307.944789]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  307.949900]  ? pvclock_read_flags+0x160/0x160
[  307.954398]  ? lapic_next_event+0x5a/0x90
[  307.958549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.964095]  ? kvm_clock_read+0x18/0x30
[  307.968067]  ? kvm_sched_clock_read+0x9/0x20
[  307.972478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.978013]  ? check_preemption_disabled+0x48/0x280
[  307.983041]  irq_exit+0x17f/0x1c0
[  307.986494]  smp_apic_timer_interrupt+0x1cb/0x760
[  307.991334]  ? smp_call_function_single_interrupt+0x159/0x650
[  307.997219]  ? smp_call_function_single_interrupt+0x650/0x650
[  308.003104]  ? interrupt_entry+0xb5/0xc0
[  308.007168]  ? trace_hardirqs_off_caller+0xbb/0x310
[  308.012202]  ? trace_hardirqs_off_caller+0xbb/0x310
[  308.017228]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.022083]  ? trace_hardirqs_on_caller+0x310/0x310
[  308.027544]  ? trace_hardirqs_on_caller+0x310/0x310
[  308.032587]  ? task_prio+0x50/0x50
[  308.036135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.041676]  ? check_preemption_disabled+0x48/0x280
[  308.046707]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.051571]  apic_timer_interrupt+0xf/0x20
[  308.055804]  </IRQ>
[  308.058052] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  308.062986] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  308.081911] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  308.089637] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  308.096913] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  308.104187] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  308.111462] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  308.118733] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  308.126050]  skb_clone+0x1bb/0x500
[  308.129592]  ? skb_split+0x11e0/0x11e0
[  308.133480]  ? check_preemption_disabled+0x48/0x280
[  308.138501]  ? __this_cpu_preempt_check+0x1c/0x20
[  308.143351]  ? __bpf_redirect+0x54b/0xb20
[  308.147512]  bpf_clone_redirect+0xb9/0x490
[  308.151761]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  308.156783]  ? __sched_text_start+0x8/0x8
[  308.160932]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  308.165692]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  308.170282]  ? retint_kernel+0x2d/0x2d
[  308.174187]  ? find_held_lock+0x36/0x1c0
[  308.178258]  ? lock_acquire+0x1ed/0x520
[  308.182238]  ? bpf_test_run+0x3cb/0x780
[  308.186215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.191754]  ? check_preemption_disabled+0x48/0x280
[  308.196779]  ? kasan_check_read+0x11/0x20
[  308.200933]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.206223]  ? rcu_softirq_qs+0x20/0x20
[  308.210204]  ? preempt_schedule+0x4d/0x60
[  308.214354]  ? ___preempt_schedule+0x16/0x18
[  308.218772]  ? bpf_test_run+0x25d/0x780
[  308.222759]  ? netlink_diag_dump+0x2a0/0x2a0
[  308.227187]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.232732]  ? bpf_test_init.isra.10+0x70/0x100
[  308.237413]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  308.242198]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  308.247045]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  308.252587]  ? fput+0x130/0x1a0
[  308.255869]  ? __bpf_prog_get+0x9b/0x290
[  308.259934]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  308.264778]  ? bpf_prog_test_run+0x130/0x1a0
[  308.269200]  ? __x64_sys_bpf+0x3d8/0x520
[  308.273266]  ? bpf_prog_get+0x20/0x20
[  308.277087]  ? do_syscall_64+0x1b9/0x820
[  308.281154]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  308.286532]  ? syscall_return_slowpath+0x5e0/0x5e0
[  308.291465]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.296311]  ? trace_hardirqs_on_caller+0x310/0x310
[  308.301330]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  308.306348]  ? prepare_exit_to_usermode+0x291/0x3b0
[  308.311373]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.316227]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  308.321615] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  308.321620] warn_alloc_show_mem: 1 callbacks suppressed
[  308.321627] Mem-Info:
[  308.328286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  308.328295] Call Trace:
[  308.333668] active_anon:56297 inactive_anon:436 isolated_anon:0
[  308.333668]  active_file:15 inactive_file:14 isolated_file:0
[  308.333668]  unevictable:0 dirty:0 writeback:0 unstable:0
[  308.333668]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  308.333668]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  308.333668]  free:13786 free_pcp:429 free_cma:0
[  308.336040]  <IRQ>
[  308.345402] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  308.347981]  dump_stack+0x244/0x39d
[  308.380931] Node 0 
[  308.383096]  ? dump_stack_print_info.cold.1+0x20/0x20
[  308.410851] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  308.414466]  warn_alloc.cold.117+0xb7/0x1bd
[  308.416668] lowmem_reserve[]:
[  308.421852]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  308.447476]  0 2818
[  308.451825]  ? lock_downgrade+0x900/0x900
[  308.454903]  6321
[  308.459756]  ? trace_hardirqs_off+0xb8/0x310
[  308.461961]  6321
[  308.466113]  ? trace_hardirqs_off+0xb8/0x310
[  308.472560]  __alloc_pages_slowpath+0x2660/0x2d70
[  308.474593] Node 0 
[  308.479021]  ? warn_alloc+0x120/0x120
[  308.483844] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  308.486053]  ? warn_alloc+0x120/0x120
[  308.489825] lowmem_reserve[]: 0
[  308.516562]  ? print_usage_bug+0xc0/0xc0
[  308.520333]  0
[  308.523605]  ? warn_alloc+0x120/0x120
[  308.527642]  3503
[  308.529440]  ? print_usage_bug+0xc0/0xc0
[  308.533218]  3503
[  308.535274]  ? __lock_acquire+0x62f/0x4c20
[  308.541365]  ? __lock_acquire+0x62f/0x4c20
[  308.545577] Node 0 Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  308.549837]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.549853]  ? should_fail+0x22d/0xd01
[  308.578887] lowmem_reserve[]: 0
[  308.584438]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.588305]  0 0
[  308.591591]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.596835]  0
[  308.598820]  ? __lock_acquire+0x62f/0x4c20
[  308.603896] Node 0 
[  308.605694]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.609901] DMA: 1*4kB 
[  308.612140]  ? __lock_acquire+0x62f/0x4c20
[  308.617222] (U) 
[  308.619803]  ? should_fail+0x22d/0xd01
[  308.624016] 0*8kB 
[  308.625988]  ? rcu_irq_exit+0x1a2/0x390
[  308.629846] 0*16kB 
[  308.631998]  ? mark_held_locks+0x130/0x130
[  308.635940] 1*32kB 
[  308.638174]  ? mark_held_locks+0x130/0x130
[  308.642389] (U) 
[  308.644622]  ? mark_held_locks+0xc7/0x130
[  308.648823] 2*64kB (U) 
[  308.650802]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  308.654928] 1*128kB 
[  308.657509]  ? zap_class+0x640/0x640
[  308.662513] (U) 
[  308.664832]  ? print_usage_bug+0xc0/0xc0
[  308.668521] 1*256kB 
[  308.670491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.674521] (U) 
[  308.676845]  ? check_preemption_disabled+0x48/0x280
[  308.682358] 0*512kB 
[  308.684332]  ? __lock_is_held+0xb5/0x140
[  308.689311] 1*1024kB (U) 
[  308.691644]  __alloc_pages_nodemask+0xa80/0xde0
[  308.695678] 1*2048kB 
[  308.698430]  ? zap_class+0x640/0x640
[  308.703076] (M) 
[  308.705485]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  308.709172] 3*4096kB 
[  308.711153]  ? find_held_lock+0x36/0x1c0
[  308.716138] (M) = 15908kB
[  308.718559]  ? ____cache_alloc_node+0x1c7/0x1e0
[  308.722590] Node 0 
[  308.725339]  ? lock_downgrade+0x900/0x900
[  308.729986] DMA32: 
[  308.732224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.736343] 5*4kB 
[  308.738580]  cache_grow_begin+0xa5/0x8c0
[  308.744089] (UM) 
[  308.746233]  ? do_raw_spin_unlock+0xa7/0x330
[  308.750270] 1*8kB 
[  308.752335]  fallback_alloc+0x204/0x2e0
[  308.756715] (U) 
[  308.758865]  ____cache_alloc_node+0x1c7/0x1e0
[  308.762810] 2*16kB 
[  308.764779]  kmem_cache_alloc_node+0xe3/0x730
[  308.769249] (M) 
[  308.771485]  ? ipv6_get_ifaddr+0x42e/0x620
[  308.775948] 1*32kB (M) 3*64kB 
[  308.777944]  __alloc_skb+0x119/0x770
[  308.782147] (M) 
[  308.785341]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.789029] 5*128kB 
[  308.791002]  ? netdev_alloc_frag+0x1f0/0x1f0
[  308.796253] (UM) 
[  308.798580]  ? lock_downgrade+0x900/0x900
[  308.802958] 3*256kB (M) 
[  308.805032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.809156] 4*512kB 
[  308.811826]  ? refcount_sub_and_test_checked+0x203/0x310
[  308.817330] (UM) 3*1024kB 
[  308.819657]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  308.825081] (UM) 
[  308.827921]  ? addrconf_rs_timer+0x690/0x690
[  308.833342] 3*2048kB (UM) 
[  308.835423]  ndisc_alloc_skb+0x144/0x340
[  308.839801] 3*4096kB 
[  308.842642]  ndisc_send_rs+0x331/0x6e0
[  308.846673] (M) 
[  308.849081]  addrconf_rs_timer+0x314/0x690
[  308.852939] = 25244kB
[  308.854916]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.859129] Node 0 
[  308.861546]  call_timer_fn+0x272/0x920
[  308.865746] Normal: 
[  308.867977]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.871839] 719*4kB 
[  308.874161]  ? process_timeout+0x40/0x40
[  308.878366] (UMEH) 
[  308.880691]  ? mark_held_locks+0xc7/0x130
[  308.884717] 258*8kB (UME) 
[  308.886965]  ? _raw_spin_unlock_irq+0x27/0x80
[  308.891090] 197*16kB 
[  308.893931]  ? _raw_spin_unlock_irq+0x27/0x80
[  308.898404] (UME) 
[  308.900811]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.905281] 98*32kB 
[  308.907427]  ? lockdep_hardirqs_on+0x296/0x5b0
[  308.911635] (UME) 
[  308.913955]  ? trace_hardirqs_on+0xbd/0x310
[  308.918539] 44*64kB 
[  308.920685]  ? kasan_check_read+0x11/0x20
[  308.924992] (UM) 
[  308.927314]  ? __run_timers+0x7da/0xc70
[  308.931436] 0*128kB 
[  308.933494]  ? trace_hardirqs_off_caller+0x310/0x310
[  308.937446] 0*256kB 
[  308.939760]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.944835] 0*512kB 
[  308.947157]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.951369] 0*1024kB 
[  308.953689]  __run_timers+0x7e5/0xc70
[  308.957898] 0*2048kB 
[  308.960309]  ? timer_fixup_init+0x70/0x70
[  308.964074] 0*4096kB 
[  308.966478]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  308.970599] = 14044kB
[  308.973004]  ? zap_class+0x640/0x640
[  308.978000] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  308.980399]  ? print_usage_bug+0xc0/0xc0
[  308.984091] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  308.992915]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  308.996954] 4793 total pagecache pages
[  309.005527]  ? find_held_lock+0x36/0x1c0
[  309.010697] 0 pages in swap cache
[  309.014575]  ? zap_class+0x640/0x640
[  309.018612] Swap cache stats: add 0, delete 0, find 0/0
[  309.022063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.025752] Free swap  = 0kB
[  309.031115]  ? check_preemption_disabled+0x48/0x280
[  309.036622] Total swap = 0kB
[  309.039644]  ? __lock_is_held+0xb5/0x140
[  309.044631] 1965979 pages RAM
[  309.047645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.051698] 0 pages HighMem/MovableOnly
[  309.054802]  ? check_preemption_disabled+0x48/0x280
[  309.060318] 342867 pages reserved
[  309.064286]  run_timer_softirq+0x52/0xb0
[  309.069277] 0 pages cma reserved
[  309.072726]  ? rcu_read_lock_sched_held+0x14f/0x180
[  309.076851] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  309.080125]  __do_softirq+0x308/0xb7e
[  309.085173] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  309.091602]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  309.095376] syz-executor4 cpuset=
[  309.105854]  ? lock_downgrade+0x900/0x900
[  309.105874]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  309.110348] syz4
[  309.113801]  ? pvclock_read_flags+0x160/0x160
[  309.117923]  mems_allowed=0
[  309.123022]  ? lapic_next_event+0x5a/0x90
[  309.136515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.142062]  ? kvm_clock_read+0x18/0x30
[  309.146040]  ? kvm_sched_clock_read+0x9/0x20
[  309.150452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.155990]  ? check_preemption_disabled+0x48/0x280
[  309.161023]  irq_exit+0x17f/0x1c0
[  309.164477]  smp_apic_timer_interrupt+0x1cb/0x760
[  309.169324]  ? smp_reschedule_interrupt+0x109/0x650
[  309.174347]  ? smp_call_function_single_interrupt+0x650/0x650
[  309.180243]  ? interrupt_entry+0xb5/0xc0
[  309.184309]  ? trace_hardirqs_off_caller+0xbb/0x310
[  309.189327]  ? trace_hardirqs_off_caller+0xbb/0x310
[  309.194347]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.199203]  ? trace_hardirqs_on_caller+0x310/0x310
[  309.204220]  ? trace_hardirqs_on_caller+0x310/0x310
[  309.209239]  ? task_prio+0x50/0x50
[  309.212782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.218321]  ? check_preemption_disabled+0x48/0x280
[  309.223353]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.228215]  apic_timer_interrupt+0xf/0x20
[  309.232451]  </IRQ>
[  309.234691] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  309.239884] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  309.258791] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  309.266503] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  309.273773] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  309.281041] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  309.288305] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  309.295572] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  309.303141]  retint_kernel+0x1b/0x2d
[  309.306857] RIP: 0010:dump_stack+0x358/0x39d
[  309.311268] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  309.330168] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  309.337887] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  309.345157] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  309.352429] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  309.359697] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  309.366964] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  309.374253]  ? dump_stack+0x34f/0x39d
[  309.378070]  ? dump_stack_print_info.cold.1+0x20/0x20
[  309.383275]  dump_header+0x27b/0xf72
[  309.387005]  ? mark_held_locks+0x130/0x130
[  309.391245]  ? pagefault_out_of_memory+0x197/0x197
[  309.396190]  ? __lock_acquire+0x62f/0x4c20
[  309.400425]  ? zap_class+0x640/0x640
[  309.404143]  ? percpu_ref_get_many+0x240/0x240
[  309.408730]  ? print_usage_bug+0xc0/0xc0
[  309.412794]  ? print_usage_bug+0xc0/0xc0
[  309.416863]  ? zap_class+0x640/0x640
[  309.420580]  ? print_usage_bug+0xc0/0xc0
[  309.424644]  ? print_usage_bug+0xc0/0xc0
[  309.428714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.434260]  ? find_held_lock+0x36/0x1c0
[  309.438334]  ? mark_held_locks+0xc7/0x130
[  309.442494]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  309.447598]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  309.452704]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  309.457294]  ? trace_hardirqs_on+0xbd/0x310
[  309.461617]  ? kasan_check_read+0x11/0x20
[  309.465765]  ? ___ratelimit+0x3b4/0x672
[  309.469748]  ? trace_hardirqs_off_caller+0x310/0x310
[  309.474852]  ? trace_hardirqs_on+0x310/0x310
[  309.479261]  ? lock_downgrade+0x900/0x900
[  309.483419]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  309.488529]  ? ___ratelimit+0x3b9/0x672
[  309.492519]  ? idr_get_free+0xec0/0xec0
[  309.496501]  ? find_held_lock+0x36/0x1c0
[  309.500583]  oom_kill_process.cold.27+0x10/0x903
[  309.505352]  ? zap_class+0x640/0x640
[  309.509073]  ? check_preemption_disabled+0x48/0x280
[  309.514104]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  309.519037]  ? kasan_check_read+0x11/0x20
[  309.523207]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.528490]  ? oom_evaluate_task+0x540/0x540
[  309.532905]  ? find_held_lock+0x36/0x1c0
[  309.536986]  ? out_of_memory+0x974/0x1430
[  309.541140]  ? lock_downgrade+0x900/0x900
[  309.545294]  ? check_preemption_disabled+0x48/0x280
[  309.550319]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  309.555251]  ? kasan_check_read+0x11/0x20
[  309.559403]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.564697]  ? rcu_softirq_qs+0x20/0x20
[  309.568685]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.574248]  ? oom_evaluate_task+0x302/0x540
[  309.578670]  out_of_memory+0xa84/0x1430
[  309.582665]  ? oom_killer_disable+0x3a0/0x3a0
[  309.587196]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  309.592137]  ? __mutex_add_waiter+0x2a0/0x2a0
[  309.596652]  __alloc_pages_slowpath+0x22d4/0x2d70
[  309.601529]  ? warn_alloc+0x120/0x120
[  309.605336]  ? rcu_softirq_qs+0x20/0x20
[  309.609348]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.614883]  ? should_fail+0x22d/0xd01
[  309.618781]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.623891]  ? zap_class+0x640/0x640
[  309.627633]  ? __lock_is_held+0xb5/0x140
[  309.631711]  ? mark_held_locks+0x130/0x130
[  309.635954]  ? lock_release+0xa00/0xa00
[  309.639932]  ? perf_trace_sched_process_exec+0x860/0x860
[  309.645399]  ? __might_sleep+0x95/0x190
[  309.649383]  __alloc_pages_nodemask+0xa80/0xde0
[  309.654064]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  309.659086]  ? __page_cache_alloc+0x191/0x5c0
[  309.663584]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  309.668513]  ? kasan_check_read+0x11/0x20
[  309.672666]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.677953]  ? zap_class+0x640/0x640
[  309.681680]  ? zap_class+0x640/0x640
[  309.685393]  ? zap_class+0x640/0x640
[  309.689112]  ? __do_page_cache_readahead+0x7ce/0x980
[  309.694224]  ? find_held_lock+0x36/0x1c0
[  309.698296]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  309.703841]  alloc_pages_current+0x173/0x350
[  309.708258]  __page_cache_alloc+0x38c/0x5c0
[  309.712584]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  309.717516]  ? kasan_check_read+0x11/0x20
[  309.721667]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.726951]  ? generic_perform_write+0x6a0/0x6a0
[  309.731711]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.737251]  ? check_preemption_disabled+0x48/0x280
[  309.742278]  filemap_fault+0x1594/0x25f0
[  309.746358]  ? __lock_page_or_retry+0xa00/0xa00
[  309.751035]  ? mark_held_locks+0x130/0x130
[  309.755277]  ? rcu_softirq_qs+0x20/0x20
[  309.759266]  ? filemap_map_pages+0xe04/0x1990
[  309.763776]  ? __free_object+0x173/0x340
[  309.767840]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  309.772771]  ? trace_hardirqs_off_caller+0x310/0x310
[  309.777874]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  309.782559]  ? debug_object_free+0x32d/0x690
[  309.786971]  ? kasan_check_read+0x11/0x20
[  309.791127]  ? debug_object_destroy+0x2b0/0x2b0
[  309.795801]  ? lock_pi_update_atomic+0x150/0x150
[  309.800562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.806119]  ? __hrtimer_init+0xdb/0x240
[  309.810205]  ? lock_acquire+0x1ed/0x520
[  309.814198]  ? ext4_filemap_fault+0x7a/0xad
[  309.818530]  ? lock_release+0xa00/0xa00
[  309.822504]  ? perf_trace_sched_process_exec+0x860/0x860
[  309.827960]  ? print_usage_bug+0xc0/0xc0
[  309.832025]  ? print_usage_bug+0xc0/0xc0
[  309.836096]  ? down_read+0x8d/0x120
[  309.839720]  ? ext4_filemap_fault+0x7a/0xad
[  309.844045]  ? __down_interruptible+0x700/0x700
[  309.848725]  ext4_filemap_fault+0x82/0xad
[  309.852880]  __do_fault+0x100/0x6b0
[  309.856543]  ? find_held_lock+0x36/0x1c0
[  309.860610]  ? pmd_devmap_trans_unstable+0x220/0x220
[  309.865719]  ? mark_held_locks+0x130/0x130
[  309.869962]  ? mark_held_locks+0x130/0x130
[  309.874219]  ? kasan_check_read+0x11/0x20
[  309.878370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.883917]  __handle_mm_fault+0x307c/0x5920
[  309.888330]  ? perf_trace_lock+0x7a0/0x7a0
[  309.892575]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  309.897430]  ? __switch_to_asm+0x34/0x70
[  309.901494]  ? __switch_to_asm+0x34/0x70
[  309.905572]  ? zap_class+0x640/0x640
[  309.909287]  ? zap_class+0x640/0x640
[  309.912998]  ? __x64_sys_futex+0x53e/0x6a0
[  309.917242]  ? find_held_lock+0x36/0x1c0
[  309.921316]  ? handle_mm_fault+0x42a/0xc70
[  309.925552]  ? lock_downgrade+0x900/0x900
[  309.929703]  ? check_preemption_disabled+0x48/0x280
[  309.934730]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  309.939675]  ? kasan_check_read+0x11/0x20
[  309.943825]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.949107]  ? rcu_softirq_qs+0x20/0x20
[  309.953080]  ? trace_hardirqs_off_caller+0x310/0x310
[  309.958195]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.963735]  ? check_preemption_disabled+0x48/0x280
[  309.968762]  handle_mm_fault+0x54f/0xc70
[  309.972831]  ? __handle_mm_fault+0x5920/0x5920
[  309.977422]  ? find_vma+0x34/0x190
[  309.980976]  __do_page_fault+0x5e8/0xe60
[  309.985043]  ? trace_hardirqs_off+0xb8/0x310
[  309.989465]  do_page_fault+0xf2/0x7e0
[  309.993270]  ? vmalloc_sync_all+0x30/0x30
[  309.997426]  ? error_entry+0x70/0xd0
[  310.001145]  ? trace_hardirqs_off_caller+0xbb/0x310
[  310.006166]  ? trace_hardirqs_on_caller+0xc0/0x310
[  310.011111]  ? syscall_return_slowpath+0x5e0/0x5e0
[  310.016043]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.020893]  ? trace_hardirqs_on_caller+0x310/0x310
[  310.025912]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  310.031376]  ? prepare_exit_to_usermode+0x291/0x3b0
[  310.036395]  ? page_fault+0x8/0x30
[  310.039943]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.044792]  ? page_fault+0x8/0x30
[  310.048336]  page_fault+0x1e/0x30
[  310.051789] RIP: 0033:0x40f9c0
[  310.054997] Code: Bad RIP value.
[  310.058358] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  310.063724] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  310.070992] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  310.078262] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  310.085531] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  310.092795] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  310.100105] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  310.100174] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  310.107135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  310.107141] Call Trace:
[  310.107148]  <IRQ>
[  310.107171]  dump_stack+0x244/0x39d
[  310.107201]  ? dump_stack_print_info.cold.1+0x20/0x20
[  310.107227]  warn_alloc.cold.117+0xb7/0x1bd
[  310.113774] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  310.123079]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  310.125640] syz-fuzzer cpuset=
[  310.127785]  ? lock_downgrade+0x900/0x900
[  310.131406] /
[  310.136599]  ? trace_hardirqs_off+0xb8/0x310
[  310.140893]  mems_allowed=0
[  310.151121]  ? trace_hardirqs_off+0xb8/0x310
[  310.176682]  __alloc_pages_slowpath+0x2660/0x2d70
[  310.181571]  ? warn_alloc+0x120/0x120
[  310.185383]  ? zap_class+0x640/0x640
[  310.189100]  ? warn_alloc+0x120/0x120
[  310.192907]  ? print_usage_bug+0xc0/0xc0
[  310.196975]  ? warn_alloc+0x120/0x120
[  310.200778]  ? print_usage_bug+0xc0/0xc0
[  310.204848]  ? __lock_acquire+0x62f/0x4c20
[  310.209085]  ? __lock_acquire+0x62f/0x4c20
[  310.213330]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.218870]  ? should_fail+0x22d/0xd01
[  310.222763]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.227868]  ? __lock_acquire+0x62f/0x4c20
[  310.232113]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.237220]  ? __lock_acquire+0x62f/0x4c20
[  310.241459]  ? should_fail+0x22d/0xd01
[  310.245356]  ? find_held_lock+0x36/0x1c0
[  310.249431]  ? mark_held_locks+0x130/0x130
[  310.253678]  ? mark_held_locks+0x130/0x130
[  310.257913]  ? zap_class+0x640/0x640
[  310.261633]  ? zap_class+0x640/0x640
[  310.265355]  ? print_usage_bug+0xc0/0xc0
[  310.269415]  ? do_raw_spin_unlock+0xa7/0x330
[  310.273834]  ? zap_class+0x640/0x640
[  310.277550]  ? print_usage_bug+0xc0/0xc0
[  310.281612]  ? wq_watchdog_touch+0x9c/0xfe
[  310.285857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.291397]  ? check_preemption_disabled+0x48/0x280
[  310.296431]  ? __lock_is_held+0xb5/0x140
[  310.300765]  __alloc_pages_nodemask+0xa80/0xde0
[  310.305444]  ? zap_class+0x640/0x640
[  310.309169]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  310.314217]  ? find_held_lock+0x36/0x1c0
[  310.318292]  ? ____cache_alloc_node+0x1c7/0x1e0
[  310.322967]  ? lock_downgrade+0x900/0x900
[  310.327128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.332675]  cache_grow_begin+0xa5/0x8c0
[  310.336740]  ? do_raw_spin_unlock+0xa7/0x330
[  310.341159]  fallback_alloc+0x204/0x2e0
[  310.345153]  ____cache_alloc_node+0x1c7/0x1e0
[  310.349661]  kmem_cache_alloc_node+0xe3/0x730
[  310.354159]  ? ipv6_get_ifaddr+0x42e/0x620
[  310.358413]  __alloc_skb+0x119/0x770
[  310.362134]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.367417]  ? netdev_alloc_frag+0x1f0/0x1f0
[  310.371834]  ? lock_downgrade+0x900/0x900
[  310.375995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.381537]  ? refcount_sub_and_test_checked+0x203/0x310
[  310.386993]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  310.392450]  ? addrconf_rs_timer+0x690/0x690
[  310.396870]  ndisc_alloc_skb+0x144/0x340
[  310.400939]  ndisc_send_rs+0x331/0x6e0
[  310.404840]  addrconf_rs_timer+0x314/0x690
[  310.409082]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.413335]  call_timer_fn+0x272/0x920
[  310.417229]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.421474]  ? process_timeout+0x40/0x40
[  310.425552]  ? __run_timers+0x7da/0xc70
[  310.429791]  ? _raw_spin_unlock_irq+0x27/0x80
[  310.434278]  ? _raw_spin_unlock_irq+0x27/0x80
[  310.438774]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.443014]  ? lockdep_hardirqs_on+0x296/0x5b0
[  310.447598]  ? trace_hardirqs_on+0xbd/0x310
[  310.451924]  ? kasan_check_read+0x11/0x20
[  310.456073]  ? __run_timers+0x7da/0xc70
[  310.460051]  ? trace_hardirqs_off_caller+0x310/0x310
[  310.465166]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.469418]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.473660]  __run_timers+0x7e5/0xc70
[  310.477480]  ? timer_fixup_init+0x70/0x70
[  310.481635]  ? kasan_check_read+0x11/0x20
[  310.485792]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.491075]  ? rcu_softirq_qs+0x20/0x20
[  310.495053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.500597]  ? check_preemption_disabled+0x48/0x280
[  310.505633]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  310.510395]  ? retint_kernel+0x2d/0x2d
[  310.514287]  ? trace_hardirqs_on_caller+0xc0/0x310
[  310.519227]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  310.523986]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  310.529445]  ? zap_class+0x640/0x640
[  310.533166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.538714]  ? check_preemption_disabled+0x48/0x280
[  310.543744]  ? __lock_is_held+0xb5/0x140
[  310.547814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.553352]  ? check_preemption_disabled+0x48/0x280
[  310.558377]  run_timer_softirq+0x52/0xb0
[  310.562449]  ? rcu_read_lock_sched_held+0x14f/0x180
[  310.567483]  __do_softirq+0x308/0xb7e
[  310.571295]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  310.575795]  ? lock_downgrade+0x900/0x900
[  310.579952]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  310.585068]  ? pvclock_read_flags+0x160/0x160
[  310.589568]  ? lapic_next_event+0x5a/0x90
[  310.593726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.599272]  ? kvm_clock_read+0x18/0x30
[  310.603250]  ? kvm_sched_clock_read+0x9/0x20
[  310.607662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.613208]  ? check_preemption_disabled+0x48/0x280
[  310.618237]  irq_exit+0x17f/0x1c0
[  310.621694]  smp_apic_timer_interrupt+0x1cb/0x760
[  310.626534]  ? smp_call_function_single_interrupt+0x159/0x650
[  310.632424]  ? smp_call_function_single_interrupt+0x650/0x650
[  310.638331]  ? interrupt_entry+0xb5/0xc0
[  310.642396]  ? trace_hardirqs_off_caller+0xbb/0x310
[  310.647411]  ? trace_hardirqs_off_caller+0xbb/0x310
[  310.652433]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.657283]  ? trace_hardirqs_on_caller+0x310/0x310
[  310.662301]  ? trace_hardirqs_on_caller+0x310/0x310
[  310.667323]  ? task_prio+0x50/0x50
[  310.670865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.676405]  ? check_preemption_disabled+0x48/0x280
[  310.681432]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.686301]  apic_timer_interrupt+0xf/0x20
[  310.690530]  </IRQ>
[  310.692772] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  310.697705] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  310.716617] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  310.724333] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  310.731602] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  310.738874] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  310.746143] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  310.753414] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  310.760735]  skb_clone+0x1bb/0x500
[  310.764277]  ? skb_split+0x11e0/0x11e0
[  310.768168]  ? check_preemption_disabled+0x48/0x280
[  310.773212]  ? __this_cpu_preempt_check+0x1c/0x20
[  310.778059]  ? __bpf_redirect+0x54b/0xb20
[  310.782229]  bpf_clone_redirect+0xb9/0x490
[  310.786483]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  310.791504]  ? __sched_text_start+0x8/0x8
[  310.795659]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  310.800419]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  310.805007]  ? retint_kernel+0x2d/0x2d
[  310.808904]  ? find_held_lock+0x36/0x1c0
[  310.812973]  ? lock_acquire+0x1ed/0x520
[  310.816948]  ? bpf_test_run+0x3cb/0x780
[  310.820925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.826470]  ? check_preemption_disabled+0x48/0x280
[  310.831494]  ? kasan_check_read+0x11/0x20
[  310.835646]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.840926]  ? rcu_softirq_qs+0x20/0x20
[  310.844902]  ? preempt_schedule+0x4d/0x60
[  310.849052]  ? ___preempt_schedule+0x16/0x18
[  310.853491]  ? bpf_test_run+0x25d/0x780
[  310.857485]  ? netlink_diag_dump+0x2a0/0x2a0
[  310.861902]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.867443]  ? bpf_test_init.isra.10+0x70/0x100
[  310.872120]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  310.876884]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  310.881724]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  310.887261]  ? fput+0x130/0x1a0
[  310.890546]  ? __bpf_prog_get+0x9b/0x290
[  310.894612]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  310.899461]  ? bpf_prog_test_run+0x130/0x1a0
[  310.903876]  ? __x64_sys_bpf+0x3d8/0x520
[  310.907936]  ? bpf_prog_get+0x20/0x20
[  310.911760]  ? do_syscall_64+0x1b9/0x820
[  310.915823]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  310.921198]  ? syscall_return_slowpath+0x5e0/0x5e0
[  310.926128]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.930974]  ? trace_hardirqs_on_caller+0x310/0x310
[  310.935992]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  310.941009]  ? prepare_exit_to_usermode+0x291/0x3b0
[  310.946035]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.950887]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  310.956266] warn_alloc_show_mem: 1 callbacks suppressed
[  310.956278] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  310.956280] Mem-Info:
[  310.956310] active_anon:56297 inactive_anon:436 isolated_anon:0
[  310.956310]  active_file:15 inactive_file:14 isolated_file:0
[  310.956310]  unevictable:0 dirty:0 writeback:0 unstable:0
[  310.956310]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  310.956310]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  310.956310]  free:13786 free_pcp:429 free_cma:0
[  310.961651] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  310.968321] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  310.970718] Call Trace:
[  311.003673] Node 0 
[  311.013027]  <IRQ>
[  311.040792] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  311.043355]  dump_stack+0x244/0x39d
[  311.045562] lowmem_reserve[]:
[  311.047710]  ? dump_stack_print_info.cold.1+0x20/0x20
[  311.073193]  0
[  311.076822]  warn_alloc.cold.117+0xb7/0x1bd
[  311.079891]  2818
[  311.085074]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  311.086853]  6321
[  311.091166]  ? lock_downgrade+0x900/0x900
[  311.093213]  6321
[  311.098056]  ? trace_hardirqs_off+0xb8/0x310
[  311.104229]  ? trace_hardirqs_off+0xb8/0x310
[  311.106267] Node 0 
[  311.110671]  __alloc_pages_slowpath+0x2660/0x2d70
[  311.115072] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  311.117302]  ? warn_alloc+0x120/0x120
[  311.122086] lowmem_reserve[]: 0
[  311.148818]  ? warn_alloc+0x120/0x120
[  311.152588]  0
[  311.155864]  ? print_usage_bug+0xc0/0xc0
[  311.159636]  3503
[  311.161435]  ? warn_alloc+0x120/0x120
[  311.165472]  3503
[  311.167535]  ? print_usage_bug+0xc0/0xc0
[  311.173369]  ? __lock_acquire+0x62f/0x4c20
[  311.177405] Node 0 
[  311.181628]  ? __lock_acquire+0x62f/0x4c20
[  311.181660] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  311.181667] lowmem_reserve[]:
[  311.183902]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.188110]  0
[  311.216568]  ? should_fail+0x22d/0xd01
[  311.219654]  0 0
[  311.225200]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.226982]  0
[  311.230863]  ? __lock_acquire+0x62f/0x4c20
[  311.237908]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.239688] Node 0 
[  311.243913]  ? __lock_acquire+0x62f/0x4c20
[  311.248991] DMA: 
[  311.251220]  ? should_fail+0x22d/0xd01
[  311.255430] 1*4kB 
[  311.257487]  ? find_held_lock+0x36/0x1c0
[  311.261351] (U) 
[  311.263499]  ? mark_held_locks+0x130/0x130
[  311.267536] 0*8kB 
[  311.269506]  ? mark_held_locks+0x130/0x130
[  311.273715] 0*16kB 
[  311.275857]  ? zap_class+0x640/0x640
[  311.280066] 1*32kB 
[  311.282299]  ? zap_class+0x640/0x640
[  311.285989] (U) 
[  311.288224]  ? print_usage_bug+0xc0/0xc0
[  311.291912] 2*64kB 
[  311.293879]  ? do_raw_spin_unlock+0xa7/0x330
[  311.297917] (U) 
[  311.300410]  ? zap_class+0x640/0x640
[  311.304797] 1*128kB 
[  311.306767]  ? print_usage_bug+0xc0/0xc0
[  311.310459] (U) 
[  311.312778]  ? wq_watchdog_touch+0x9c/0xfe
[  311.316815] 1*256kB 
[  311.318784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.322991] (U) 
[  311.325313]  ? check_preemption_disabled+0x48/0x280
[  311.330821] 0*512kB 
[  311.332794]  ? __lock_is_held+0xb5/0x140
[  311.337778] 1*1024kB (U) 
[  311.340109]  __alloc_pages_nodemask+0xa80/0xde0
[  311.344143] 1*2048kB 
[  311.346896]  ? zap_class+0x640/0x640
[  311.351540] (M) 
[  311.353955]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  311.357638] 3*4096kB 
[  311.359618]  ? find_held_lock+0x36/0x1c0
[  311.364600] (M) 
[  311.367011]  ? ____cache_alloc_node+0x1c7/0x1e0
[  311.371043] = 15908kB
[  311.373010]  ? lock_downgrade+0x900/0x900
[  311.377656] Node 0 
[  311.380063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.384189] DMA32: 
[  311.386422]  cache_grow_begin+0xa5/0x8c0
[  311.391929] 5*4kB 
[  311.394165]  ? do_raw_spin_unlock+0xa7/0x330
[  311.398215] (UM) 
[  311.400364]  fallback_alloc+0x204/0x2e0
[  311.404741] 1*8kB (U) 
[  311.406813]  ____cache_alloc_node+0x1c7/0x1e0
[  311.410758] 2*16kB 
[  311.413250]  kmem_cache_alloc_node+0xe3/0x730
[  311.417720] (M) 
[  311.419955]  ? ipv6_get_ifaddr+0x42e/0x620
[  311.424420] 1*32kB 
[  311.426401]  __alloc_skb+0x119/0x770
[  311.430604] (M) 
[  311.432841]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  311.436528] 3*64kB 
[  311.438501]  ? netdev_alloc_frag+0x1f0/0x1f0
[  311.443754] (M) 
[  311.445992]  ? lock_downgrade+0x900/0x900
[  311.450376] 5*128kB 
[  311.452352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.456468] (UM) 
[  311.458788]  ? refcount_sub_and_test_checked+0x203/0x310
[  311.464297] 3*256kB 
[  311.466361]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  311.471784] (M) 
[  311.474104]  ? addrconf_rs_timer+0x690/0x690
[  311.479529] 4*512kB 
[  311.481506]  ndisc_alloc_skb+0x144/0x340
[  311.485878] (UM) 
[  311.488208]  ndisc_send_rs+0x331/0x6e0
[  311.492593] 3*1024kB 
[  311.494654]  addrconf_rs_timer+0x314/0x690
[  311.498513] (UM) 
[  311.500933]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.505138] 3*2048kB 
[  311.507216]  call_timer_fn+0x272/0x920
[  311.511420] (UM) 
[  311.513829]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.517694] 3*4096kB 
[  311.519753]  ? process_timeout+0x40/0x40
[  311.523957] (M) 
[  311.526367]  ? mark_held_locks+0xc7/0x130
[  311.530390] = 25244kB
[  311.530398] Node 0 
[  311.532371]  ? _raw_spin_unlock_irq+0x27/0x80
[  311.536489] Normal: 
[  311.538894]  ? _raw_spin_unlock_irq+0x27/0x80
[  311.541111] 719*4kB 
[  311.545601]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.547896] (UMEH) 
[  311.552386]  ? lockdep_hardirqs_on+0x296/0x5b0
[  311.554678] 258*8kB (UME) 
[  311.558917]  ? trace_hardirqs_on+0xbd/0x310
[  311.561135] 197*16kB 
[  311.565710]  ? kasan_check_read+0x11/0x20
[  311.568528] (UME) 
[  311.572846]  ? __run_timers+0x7da/0xc70
[  311.575230] 98*32kB 
[  311.579372]  ? trace_hardirqs_off_caller+0x310/0x310
[  311.581498] (UME) 
[  311.585471]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.587770] 44*64kB 
[  311.592868]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.594990] (UM) 
[  311.599221]  __run_timers+0x7e5/0xc70
[  311.601522] 0*128kB 
[  311.605755]  ? timer_fixup_init+0x70/0x70
[  311.607791] 0*256kB 
[  311.611586]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  311.613887] 0*512kB 
[  311.618031]  ? zap_class+0x640/0x640
[  311.620329] 0*1024kB 
[  311.625342]  ? print_usage_bug+0xc0/0xc0
[  311.627642] 0*2048kB 
[  311.631348]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  311.633732] 0*4096kB 
[  311.637788]  ? find_held_lock+0x36/0x1c0
[  311.640175] = 14044kB
[  311.645365]  ? zap_class+0x640/0x640
[  311.647755] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  311.651808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.654207] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  311.657912]  ? check_preemption_disabled+0x48/0x280
[  311.666725] 4793 total pagecache pages
[  311.672266]  ? __lock_is_held+0xb5/0x140
[  311.680815] 0 pages in swap cache
[  311.685824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.689716] Swap cache stats: add 0, delete 0, find 0/0
[  311.693768]  ? check_preemption_disabled+0x48/0x280
[  311.697205] Free swap  = 0kB
[  311.702739]  run_timer_softirq+0x52/0xb0
[  311.708073] Total swap = 0kB
[  311.713081]  ? rcu_read_lock_sched_held+0x14f/0x180
[  311.716072] 1965979 pages RAM
[  311.720129]  __do_softirq+0x308/0xb7e
[  311.723124] 0 pages HighMem/MovableOnly
[  311.728133]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  311.731216] 342867 pages reserved
[  311.735010]  ? lock_downgrade+0x900/0x900
[  311.738952] 0 pages cma reserved
[  311.739026] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  311.743447]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  311.746994] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  311.751031]  ? pvclock_read_flags+0x160/0x160
[  311.754369] syz-executor4 cpuset=
[  311.760856]  ? lapic_next_event+0x5a/0x90
[  311.765934] syz4
[  311.776420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.780894]  mems_allowed=0
[  311.784344]  ? kvm_clock_read+0x18/0x30
[  311.802846]  ? kvm_sched_clock_read+0x9/0x20
[  311.807263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.812802]  ? check_preemption_disabled+0x48/0x280
[  311.817830]  irq_exit+0x17f/0x1c0
[  311.821291]  smp_apic_timer_interrupt+0x1cb/0x760
[  311.826137]  ? smp_reschedule_interrupt+0x109/0x650
[  311.831163]  ? smp_call_function_single_interrupt+0x650/0x650
[  311.837066]  ? interrupt_entry+0xb5/0xc0
[  311.841131]  ? trace_hardirqs_off_caller+0xbb/0x310
[  311.846147]  ? trace_hardirqs_off_caller+0xbb/0x310
[  311.851176]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.856035]  ? trace_hardirqs_on_caller+0x310/0x310
[  311.861055]  ? trace_hardirqs_on_caller+0x310/0x310
[  311.866075]  ? task_prio+0x50/0x50
[  311.869618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.875156]  ? check_preemption_disabled+0x48/0x280
[  311.880206]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.885070]  apic_timer_interrupt+0xf/0x20
[  311.889306]  </IRQ>
[  311.891546] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  311.896742] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  311.915674] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  311.923400] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  311.930679] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  311.937960] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  311.945236] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  311.952513] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  311.959826]  retint_kernel+0x1b/0x2d
[  311.963543] RIP: 0010:dump_stack+0x358/0x39d
[  311.967959] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  311.986871] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  311.994586] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  312.001860] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  312.009127] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  312.016416] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  312.023686] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  312.030983]  ? dump_stack+0x34f/0x39d
[  312.034799]  ? dump_stack_print_info.cold.1+0x20/0x20
[  312.040002]  dump_header+0x27b/0xf72
[  312.043731]  ? mark_held_locks+0x130/0x130
[  312.047974]  ? pagefault_out_of_memory+0x197/0x197
[  312.052936]  ? __lock_acquire+0x62f/0x4c20
[  312.057176]  ? zap_class+0x640/0x640
[  312.060906]  ? percpu_ref_get_many+0x240/0x240
[  312.065495]  ? print_usage_bug+0xc0/0xc0
[  312.069561]  ? print_usage_bug+0xc0/0xc0
[  312.073631]  ? zap_class+0x640/0x640
[  312.077352]  ? print_usage_bug+0xc0/0xc0
[  312.081417]  ? print_usage_bug+0xc0/0xc0
[  312.085487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.091029]  ? find_held_lock+0x36/0x1c0
[  312.095103]  ? mark_held_locks+0xc7/0x130
[  312.099257]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  312.104363]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  312.109472]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  312.114064]  ? trace_hardirqs_on+0xbd/0x310
[  312.118386]  ? kasan_check_read+0x11/0x20
[  312.122536]  ? ___ratelimit+0x3b4/0x672
[  312.126518]  ? trace_hardirqs_off_caller+0x310/0x310
[  312.131623]  ? trace_hardirqs_on+0x310/0x310
[  312.136033]  ? lock_downgrade+0x900/0x900
[  312.140199]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  312.145308]  ? ___ratelimit+0x3b9/0x672
[  312.149289]  ? idr_get_free+0xec0/0xec0
[  312.153272]  ? find_held_lock+0x36/0x1c0
[  312.157349]  oom_kill_process.cold.27+0x10/0x903
[  312.162110]  ? zap_class+0x640/0x640
[  312.165826]  ? check_preemption_disabled+0x48/0x280
[  312.170856]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  312.175846]  ? kasan_check_read+0x11/0x20
[  312.180004]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.185291]  ? oom_evaluate_task+0x540/0x540
[  312.189705]  ? find_held_lock+0x36/0x1c0
[  312.193776]  ? out_of_memory+0x974/0x1430
[  312.197929]  ? lock_downgrade+0x900/0x900
[  312.202082]  ? check_preemption_disabled+0x48/0x280
[  312.207111]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  312.212047]  ? kasan_check_read+0x11/0x20
[  312.216208]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.221490]  ? rcu_softirq_qs+0x20/0x20
[  312.225472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.231012]  ? oom_evaluate_task+0x302/0x540
[  312.235428]  out_of_memory+0xa84/0x1430
[  312.239416]  ? oom_killer_disable+0x3a0/0x3a0
[  312.243918]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  312.248855]  ? __mutex_add_waiter+0x2a0/0x2a0
[  312.253368]  __alloc_pages_slowpath+0x22d4/0x2d70
[  312.258248]  ? warn_alloc+0x120/0x120
[  312.262053]  ? rcu_softirq_qs+0x20/0x20
[  312.266063]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.271604]  ? should_fail+0x22d/0xd01
[  312.275495]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.280602]  ? zap_class+0x640/0x640
[  312.284344]  ? __lock_is_held+0xb5/0x140
[  312.288417]  ? mark_held_locks+0x130/0x130
[  312.292663]  ? lock_release+0xa00/0xa00
[  312.296647]  ? perf_trace_sched_process_exec+0x860/0x860
[  312.302109]  ? __might_sleep+0x95/0x190
[  312.306092]  __alloc_pages_nodemask+0xa80/0xde0
[  312.310775]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  312.315799]  ? __page_cache_alloc+0x191/0x5c0
[  312.320299]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  312.325232]  ? kasan_check_read+0x11/0x20
[  312.329386]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.334669]  ? zap_class+0x640/0x640
[  312.338390]  ? zap_class+0x640/0x640
[  312.342103]  ? zap_class+0x640/0x640
[  312.345822]  ? __do_page_cache_readahead+0x7ce/0x980
[  312.350936]  ? find_held_lock+0x36/0x1c0
[  312.355008]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  312.360554]  alloc_pages_current+0x173/0x350
[  312.364974]  __page_cache_alloc+0x38c/0x5c0
[  312.369298]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  312.374229]  ? kasan_check_read+0x11/0x20
[  312.378380]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.383664]  ? generic_perform_write+0x6a0/0x6a0
[  312.388428]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.393971]  ? check_preemption_disabled+0x48/0x280
[  312.399003]  filemap_fault+0x1594/0x25f0
[  312.403082]  ? __lock_page_or_retry+0xa00/0xa00
[  312.407760]  ? mark_held_locks+0x130/0x130
[  312.412001]  ? rcu_softirq_qs+0x20/0x20
[  312.415992]  ? filemap_map_pages+0xe04/0x1990
[  312.420502]  ? __free_object+0x173/0x340
[  312.424573]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  312.430004]  ? trace_hardirqs_off_caller+0x310/0x310
[  312.435112]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  312.439797]  ? debug_object_free+0x32d/0x690
[  312.444215]  ? kasan_check_read+0x11/0x20
[  312.448366]  ? debug_object_destroy+0x2b0/0x2b0
[  312.453045]  ? lock_pi_update_atomic+0x150/0x150
[  312.457804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.463349]  ? __hrtimer_init+0xdb/0x240
[  312.467428]  ? lock_acquire+0x1ed/0x520
[  312.471410]  ? ext4_filemap_fault+0x7a/0xad
[  312.475741]  ? lock_release+0xa00/0xa00
[  312.479715]  ? perf_trace_sched_process_exec+0x860/0x860
[  312.485185]  ? print_usage_bug+0xc0/0xc0
[  312.489256]  ? print_usage_bug+0xc0/0xc0
[  312.493335]  ? down_read+0x8d/0x120
[  312.496969]  ? ext4_filemap_fault+0x7a/0xad
[  312.501298]  ? __down_interruptible+0x700/0x700
[  312.505993]  ext4_filemap_fault+0x82/0xad
[  312.510150]  __do_fault+0x100/0x6b0
[  312.513784]  ? find_held_lock+0x36/0x1c0
[  312.517855]  ? pmd_devmap_trans_unstable+0x220/0x220
[  312.522972]  ? mark_held_locks+0x130/0x130
[  312.527219]  ? mark_held_locks+0x130/0x130
[  312.531479]  ? kasan_check_read+0x11/0x20
[  312.535632]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.541186]  __handle_mm_fault+0x307c/0x5920
[  312.545605]  ? perf_trace_lock+0x7a0/0x7a0
[  312.549860]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  312.554724]  ? __switch_to_asm+0x34/0x70
[  312.558799]  ? __switch_to_asm+0x34/0x70
[  312.562885]  ? zap_class+0x640/0x640
[  312.566628]  ? zap_class+0x640/0x640
[  312.570344]  ? __x64_sys_futex+0x53e/0x6a0
[  312.574590]  ? find_held_lock+0x36/0x1c0
[  312.578838]  ? handle_mm_fault+0x42a/0xc70
[  312.583080]  ? lock_downgrade+0x900/0x900
[  312.587228]  ? check_preemption_disabled+0x48/0x280
[  312.592254]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  312.597200]  ? kasan_check_read+0x11/0x20
[  312.601369]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.606652]  ? rcu_softirq_qs+0x20/0x20
[  312.610628]  ? trace_hardirqs_off_caller+0x310/0x310
[  312.615743]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.621287]  ? check_preemption_disabled+0x48/0x280
[  312.626324]  handle_mm_fault+0x54f/0xc70
[  312.630395]  ? __handle_mm_fault+0x5920/0x5920
[  312.634989]  ? find_vma+0x34/0x190
[  312.638541]  __do_page_fault+0x5e8/0xe60
[  312.642606]  ? trace_hardirqs_off+0xb8/0x310
[  312.647040]  do_page_fault+0xf2/0x7e0
[  312.650856]  ? vmalloc_sync_all+0x30/0x30
[  312.655015]  ? error_entry+0x70/0xd0
[  312.658736]  ? trace_hardirqs_off_caller+0xbb/0x310
[  312.663757]  ? trace_hardirqs_on_caller+0xc0/0x310
[  312.668693]  ? syscall_return_slowpath+0x5e0/0x5e0
[  312.673626]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.678475]  ? trace_hardirqs_on_caller+0x310/0x310
[  312.683496]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  312.688966]  ? prepare_exit_to_usermode+0x291/0x3b0
[  312.693998]  ? page_fault+0x8/0x30
[  312.697549]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.702398]  ? page_fault+0x8/0x30
[  312.705947]  page_fault+0x1e/0x30
[  312.709401] RIP: 0033:0x40f9c0
[  312.712604] Code: Bad RIP value.
[  312.715970] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  312.721335] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  312.728601] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  312.735869] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  312.743137] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  312.750408] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  312.757709] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  312.757772] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  312.764728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  312.764738] Call Trace:
[  312.771311] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  312.780567]  <IRQ>
[  312.783136] syz-fuzzer cpuset=
[  312.793361]  dump_stack+0x244/0x39d
[  312.795487] /
[  312.798682]  ? dump_stack_print_info.cold.1+0x20/0x20
[  312.802286]  mems_allowed=0
[  312.804002]  warn_alloc.cold.117+0xb7/0x1bd
[  312.816412]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  312.821270]  ? lock_downgrade+0x900/0x900
[  312.825433]  ? trace_hardirqs_off+0xb8/0x310
[  312.829855]  ? trace_hardirqs_off+0xb8/0x310
[  312.834275]  __alloc_pages_slowpath+0x2660/0x2d70
[  312.839151]  ? warn_alloc+0x120/0x120
[  312.842966]  ? warn_alloc+0x120/0x120
[  312.846774]  ? print_usage_bug+0xc0/0xc0
[  312.850836]  ? warn_alloc+0x120/0x120
[  312.854642]  ? print_usage_bug+0xc0/0xc0
[  312.858705]  ? __lock_acquire+0x62f/0x4c20
[  312.862939]  ? __lock_acquire+0x62f/0x4c20
[  312.867186]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.872727]  ? should_fail+0x22d/0xd01
[  312.876620]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  312.881907]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.887012]  ? __lock_acquire+0x62f/0x4c20
[  312.891255]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.896358]  ? __lock_acquire+0x62f/0x4c20
[  312.900592]  ? should_fail+0x22d/0xd01
[  312.904480]  ? rcu_irq_exit+0x1a2/0x390
[  312.908474]  ? mark_held_locks+0x130/0x130
[  312.912716]  ? mark_held_locks+0x130/0x130
[  312.916956]  ? mark_held_locks+0xc7/0x130
[  312.921104]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  312.926146]  ? zap_class+0x640/0x640
[  312.929868]  ? print_usage_bug+0xc0/0xc0
[  312.933937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.939479]  ? check_preemption_disabled+0x48/0x280
[  312.944509]  ? __lock_is_held+0xb5/0x140
[  312.948581]  __alloc_pages_nodemask+0xa80/0xde0
[  312.953256]  ? zap_class+0x640/0x640
[  312.956979]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  312.962010]  ? find_held_lock+0x36/0x1c0
[  312.966087]  ? ____cache_alloc_node+0x1c7/0x1e0
[  312.970759]  ? lock_downgrade+0x900/0x900
[  312.974920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.980471]  cache_grow_begin+0xa5/0x8c0
[  312.984535]  ? do_raw_spin_unlock+0xa7/0x330
[  312.988958]  fallback_alloc+0x204/0x2e0
[  312.992946]  ____cache_alloc_node+0x1c7/0x1e0
[  312.997455]  kmem_cache_alloc_node+0xe3/0x730
[  313.001957]  ? ipv6_get_ifaddr+0x42e/0x620
[  313.006211]  __alloc_skb+0x119/0x770
[  313.009930]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  313.015220]  ? netdev_alloc_frag+0x1f0/0x1f0
[  313.019634]  ? lock_downgrade+0x900/0x900
[  313.023792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.029333]  ? refcount_sub_and_test_checked+0x203/0x310
[  313.034794]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  313.040245]  ? addrconf_rs_timer+0x690/0x690
[  313.044669]  ndisc_alloc_skb+0x144/0x340
[  313.048739]  ndisc_send_rs+0x331/0x6e0
[  313.052639]  addrconf_rs_timer+0x314/0x690
[  313.056891]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.061149]  call_timer_fn+0x272/0x920
[  313.065054]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.069307]  ? process_timeout+0x40/0x40
[  313.073389]  ? __run_timers+0x7da/0xc70
[  313.077376]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.081882]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.086385]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.090626]  ? lockdep_hardirqs_on+0x296/0x5b0
[  313.096264]  ? trace_hardirqs_on+0xbd/0x310
[  313.100591]  ? kasan_check_read+0x11/0x20
[  313.104750]  ? __run_timers+0x7da/0xc70
[  313.108728]  ? trace_hardirqs_off_caller+0x310/0x310
[  313.113842]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.118086]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.122331]  __run_timers+0x7e5/0xc70
[  313.126328]  ? timer_fixup_init+0x70/0x70
[  313.130482]  ? kasan_check_read+0x11/0x20
[  313.134657]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  313.139943]  ? rcu_softirq_qs+0x20/0x20
[  313.143923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.149467]  ? check_preemption_disabled+0x48/0x280
[  313.154493]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  313.159260]  ? retint_kernel+0x2d/0x2d
[  313.163150]  ? trace_hardirqs_on_caller+0xc0/0x310
[  313.168092]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  313.172850]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  313.178310]  ? zap_class+0x640/0x640
[  313.182037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.187582]  ? check_preemption_disabled+0x48/0x280
[  313.192614]  ? __lock_is_held+0xb5/0x140
[  313.196680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.202217]  ? check_preemption_disabled+0x48/0x280
[  313.207244]  run_timer_softirq+0x52/0xb0
[  313.211307]  ? rcu_read_lock_sched_held+0x14f/0x180
[  313.216324]  __do_softirq+0x308/0xb7e
[  313.220134]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  313.224637]  ? lock_downgrade+0x900/0x900
[  313.228794]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  313.233909]  ? pvclock_read_flags+0x160/0x160
[  313.238408]  ? lapic_next_event+0x5a/0x90
[  313.242568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.248116]  ? kvm_clock_read+0x18/0x30
[  313.252094]  ? kvm_sched_clock_read+0x9/0x20
[  313.256510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.262049]  ? check_preemption_disabled+0x48/0x280
[  313.267080]  irq_exit+0x17f/0x1c0
[  313.270540]  smp_apic_timer_interrupt+0x1cb/0x760
[  313.275386]  ? smp_call_function_single_interrupt+0x159/0x650
[  313.281274]  ? smp_call_function_single_interrupt+0x650/0x650
[  313.287186]  ? interrupt_entry+0xb5/0xc0
[  313.291263]  ? trace_hardirqs_off_caller+0xbb/0x310
[  313.296276]  ? trace_hardirqs_off_caller+0xbb/0x310
[  313.301816]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.306665]  ? trace_hardirqs_on_caller+0x310/0x310
[  313.311686]  ? trace_hardirqs_on_caller+0x310/0x310
[  313.316706]  ? task_prio+0x50/0x50
[  313.320247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.325784]  ? check_preemption_disabled+0x48/0x280
[  313.330805]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.335662]  apic_timer_interrupt+0xf/0x20
[  313.339888]  </IRQ>
[  313.342127] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  313.347055] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  313.365956] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  313.373668] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  313.380936] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  313.388213] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  313.395478] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  313.402744] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  313.410057]  skb_clone+0x1bb/0x500
[  313.413599]  ? skb_split+0x11e0/0x11e0
[  313.417489]  ? check_preemption_disabled+0x48/0x280
[  313.422512]  ? __this_cpu_preempt_check+0x1c/0x20
[  313.427356]  ? __bpf_redirect+0x54b/0xb20
[  313.431514]  bpf_clone_redirect+0xb9/0x490
[  313.435761]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  313.440784]  ? __sched_text_start+0x8/0x8
[  313.444934]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  313.449696]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  313.454285]  ? retint_kernel+0x2d/0x2d
[  313.458190]  ? find_held_lock+0x36/0x1c0
[  313.462367]  ? lock_acquire+0x1ed/0x520
[  313.466344]  ? bpf_test_run+0x3cb/0x780
[  313.470320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.475863]  ? check_preemption_disabled+0x48/0x280
[  313.480886]  ? kasan_check_read+0x11/0x20
[  313.485038]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  313.490318]  ? rcu_softirq_qs+0x20/0x20
[  313.494294]  ? preempt_schedule+0x4d/0x60
[  313.498448]  ? ___preempt_schedule+0x16/0x18
[  313.502869]  ? bpf_test_run+0x25d/0x780
[  313.506855]  ? netlink_diag_dump+0x2a0/0x2a0
[  313.511267]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.516802]  ? bpf_test_init.isra.10+0x70/0x100
[  313.521479]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  313.526245]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  313.531086]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  313.536626]  ? fput+0x130/0x1a0
[  313.539907]  ? __bpf_prog_get+0x9b/0x290
[  313.543973]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  313.548814]  ? bpf_prog_test_run+0x130/0x1a0
[  313.553228]  ? __x64_sys_bpf+0x3d8/0x520
[  313.557293]  ? bpf_prog_get+0x20/0x20
[  313.561121]  ? do_syscall_64+0x1b9/0x820
[  313.565191]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  313.570561]  ? syscall_return_slowpath+0x5e0/0x5e0
[  313.575493]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.580339]  ? trace_hardirqs_on_caller+0x310/0x310
[  313.585358]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  313.590382]  ? prepare_exit_to_usermode+0x291/0x3b0
[  313.595849]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.600710]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  313.606099] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  313.606105] warn_alloc_show_mem: 1 callbacks suppressed
[  313.606112] Mem-Info:
[  313.612770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  313.612778] Call Trace:
[  313.618150] active_anon:56297 inactive_anon:436 isolated_anon:0
[  313.618150]  active_file:15 inactive_file:14 isolated_file:0
[  313.618150]  unevictable:0 dirty:0 writeback:0 unstable:0
[  313.618150]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  313.618150]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  313.618150]  free:13786 free_pcp:429 free_cma:0
[  313.620521]  <IRQ>
[  313.629882] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  313.632466]  dump_stack+0x244/0x39d
[  313.665406] Node 0 
[  313.667552]  ? dump_stack_print_info.cold.1+0x20/0x20
[  313.695307] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  313.698912]  warn_alloc.cold.117+0xb7/0x1bd
[  313.701112] lowmem_reserve[]:
[  313.706293]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  313.731854]  0
[  313.736168]  ? lock_downgrade+0x900/0x900
[  313.739273]  2818
[  313.744114]  ? trace_hardirqs_off+0xb8/0x310
[  313.745890]  6321
[  313.750036]  ? trace_hardirqs_off+0xb8/0x310
[  313.752070]  6321
[  313.756480]  __alloc_pages_slowpath+0x2660/0x2d70
[  313.762946]  ? warn_alloc+0x120/0x120
[  313.764957] Node 0 
[  313.769793]  ? warn_alloc+0x120/0x120
[  313.773595] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  313.775820]  ? print_usage_bug+0xc0/0xc0
[  313.779594] lowmem_reserve[]:
[  313.806314]  ? warn_alloc+0x120/0x120
[  313.810354]  0
[  313.813458]  ? print_usage_bug+0xc0/0xc0
[  313.817231]  0
[  313.819029]  ? __lock_acquire+0x62f/0x4c20
[  313.823063]  3503
[  313.824857]  ? __lock_acquire+0x62f/0x4c20
[  313.829065]  3503
[  313.831125]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.837387]  ? should_fail+0x22d/0xd01
[  313.842900] Node 0 
[  313.846783]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  313.846819] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  313.849024]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.854278] lowmem_reserve[]:
[  313.882728]  ? __lock_acquire+0x62f/0x4c20
[  313.887807]  0
[  313.890910]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.895124]  0
[  313.896921]  ? __lock_acquire+0x62f/0x4c20
[  313.902001]  0
[  313.903799]  ? should_fail+0x22d/0xd01
[  313.908009]  0
[  313.909810]  ? rcu_irq_exit+0x1a2/0x390
[  313.915481]  ? mark_held_locks+0x130/0x130
[  313.919423] Node 0 DMA: 
[  313.923652]  ? mark_held_locks+0x130/0x130
[  313.923671]  ? mark_held_locks+0xc7/0x130
[  313.926318] 1*4kB 
[  313.930550]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  313.934673] (U) 
[  313.936819]  ? zap_class+0x640/0x640
[  313.941812] 0*8kB 
[  313.943789]  ? print_usage_bug+0xc0/0xc0
[  313.947481] 0*16kB 
[  313.949627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.953661] 1*32kB 
[  313.955895]  ? check_preemption_disabled+0x48/0x280
[  313.961399] (U) 2*64kB 
[  313.963644]  ? __lock_is_held+0xb5/0x140
[  313.968630] (U) 
[  313.971223]  __alloc_pages_nodemask+0xa80/0xde0
[  313.975256] 1*128kB 
[  313.977228]  ? zap_class+0x640/0x640
[  313.981871] (U) 
[  313.984204]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  313.987891] 1*256kB 
[  313.989867]  ? find_held_lock+0x36/0x1c0
[  313.994851] (U) 
[  313.997178]  ? ____cache_alloc_node+0x1c7/0x1e0
[  314.001214] 0*512kB 
[  314.003192]  ? lock_downgrade+0x900/0x900
[  314.007837] 1*1024kB 
[  314.010157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.014275] (U) 
[  314.016682]  cache_grow_begin+0xa5/0x8c0
[  314.022198] 1*2048kB 
[  314.024172]  ? do_raw_spin_unlock+0xa7/0x330
[  314.028220] (M) 
[  314.030628]  fallback_alloc+0x204/0x2e0
[  314.035006] 3*4096kB 
[  314.036982]  ____cache_alloc_node+0x1c7/0x1e0
[  314.040926] (M) 
[  314.043337]  kmem_cache_alloc_node+0xe3/0x730
[  314.047810] = 15908kB
[  314.049780]  ? ipv6_get_ifaddr+0x42e/0x620
[  314.054251] Node 0 
[  314.056680]  __alloc_skb+0x119/0x770
[  314.060883] DMA32: 
[  314.063123]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  314.066807] 5*4kB 
[  314.069039]  ? netdev_alloc_frag+0x1f0/0x1f0
[  314.074292] (UM) 
[  314.076436]  ? lock_downgrade+0x900/0x900
[  314.080822] 1*8kB 
[  314.082885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.087003] (U) 
[  314.089151]  ? refcount_sub_and_test_checked+0x203/0x310
[  314.094660] 2*16kB 
[  314.096629]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  314.102052] (M) 
[  314.104287]  ? addrconf_rs_timer+0x690/0x690
[  314.109712] 1*32kB 
[  314.111687]  ndisc_alloc_skb+0x144/0x340
[  314.116065] (M) 
[  314.118294]  ndisc_send_rs+0x331/0x6e0
[  314.122328] 3*64kB 
[  314.124328]  addrconf_rs_timer+0x314/0x690
[  314.128196] (M) 
[  314.130433]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.134646] 5*128kB 
[  314.136626]  call_timer_fn+0x272/0x920
[  314.140828] (UM) 
[  314.143147]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.147010] 3*256kB 
[  314.149072]  ? process_timeout+0x40/0x40
[  314.153281] (M) 
[  314.155608]  ? mark_held_locks+0xc7/0x130
[  314.159638] 4*512kB 
[  314.161609]  ? _raw_spin_unlock_irq+0x27/0x80
[  314.165731] (UM) 
[  314.168053]  ? _raw_spin_unlock_irq+0x27/0x80
[  314.172523] 3*1024kB 
[  314.174581]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.179051] (UM) 
[  314.181461]  ? lockdep_hardirqs_on+0x296/0x5b0
[  314.185672] 3*2048kB 
[  314.187733]  ? trace_hardirqs_on+0xbd/0x310
[  314.192288] (UM) 
[  314.194693]  ? kasan_check_read+0x11/0x20
[  314.198987] 3*4096kB 
[  314.201045]  ? __run_timers+0x7da/0xc70
[  314.205169] (M) 
[  314.207584]  ? trace_hardirqs_off_caller+0x310/0x310
[  314.211536] = 25244kB
[  314.213510]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.218588] Node 0 
[  314.220996]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.225212] Normal: 
[  314.227441]  __run_timers+0x7e5/0xc70
[  314.231658] 719*4kB 
[  314.233985]  ? timer_fixup_init+0x70/0x70
[  314.237755] (UMEH) 
[  314.240077]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  314.244207] 258*8kB 
[  314.246436]  ? zap_class+0x640/0x640
[  314.251435] (UME) 
[  314.253756]  ? print_usage_bug+0xc0/0xc0
[  314.257448] 197*16kB 
[  314.259602]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  314.263641] (UME) 
[  314.266051]  ? find_held_lock+0x36/0x1c0
[  314.271214] 98*32kB 
[  314.273363]  ? zap_class+0x640/0x640
[  314.277431] (UME) 
[  314.279754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.283447] 44*64kB 
[  314.285586]  ? check_preemption_disabled+0x48/0x280
[  314.291094] (UM) 
[  314.293417]  ? __lock_is_held+0xb5/0x140
[  314.298581] 0*128kB 
[  314.300642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.304682] 0*256kB 
[  314.306997]  ? check_preemption_disabled+0x48/0x280
[  314.312509] 0*512kB 
[  314.314828]  run_timer_softirq+0x52/0xb0
[  314.319819] 0*1024kB 
[  314.322140]  ? rcu_read_lock_sched_held+0x14f/0x180
[  314.326178] 0*2048kB 
[  314.328591]  __do_softirq+0x308/0xb7e
[  314.333580] 0*4096kB 
[  314.335982]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  314.339760] = 14044kB
[  314.342167]  ? lock_downgrade+0x900/0x900
[  314.346651] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  314.349053]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  314.353190] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  314.362019]  ? pvclock_read_flags+0x160/0x160
[  314.367092] 4793 total pagecache pages
[  314.375661]  ? lapic_next_event+0x5a/0x90
[  314.380133] 0 pages in swap cache
[  314.384013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.388135] Swap cache stats: add 0, delete 0, find 0/0
[  314.391579]  ? kvm_clock_read+0x18/0x30
[  314.397090] Free swap  = 0kB
[  314.402444]  ? kvm_sched_clock_read+0x9/0x20
[  314.406396] Total swap = 0kB
[  314.409412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.413798] 1965979 pages RAM
[  314.416810]  ? check_preemption_disabled+0x48/0x280
[  314.422323] 0 pages HighMem/MovableOnly
[  314.425432]  irq_exit+0x17f/0x1c0
[  314.430712] 342867 pages reserved
[  314.430721] 0 pages cma reserved
[  314.434693]  smp_apic_timer_interrupt+0x1cb/0x760
[  314.438194] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  314.441575]  ? smp_reschedule_interrupt+0x109/0x650
[  314.444973] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  314.449758]  ? smp_call_function_single_interrupt+0x650/0x650
[  314.456219] syz-executor4 cpuset=
[  314.461739]  ? interrupt_entry+0xb5/0xc0
[  314.472203] syz4
[  314.478084]  ? trace_hardirqs_off_caller+0xbb/0x310
[  314.481515]  mems_allowed=0
[  314.485571]  ? trace_hardirqs_off_caller+0xbb/0x310
[  314.500452]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.505306]  ? trace_hardirqs_on_caller+0x310/0x310
[  314.510325]  ? trace_hardirqs_on_caller+0x310/0x310
[  314.515344]  ? task_prio+0x50/0x50
[  314.518887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.524427]  ? check_preemption_disabled+0x48/0x280
[  314.529457]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.534320]  apic_timer_interrupt+0xf/0x20
[  314.538548]  </IRQ>
[  314.540790] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  314.545983] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  314.564918] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  314.572638] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  314.579902] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  314.587170] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  314.594446] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  314.601718] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  314.609033]  retint_kernel+0x1b/0x2d
[  314.612749] RIP: 0010:dump_stack+0x358/0x39d
[  314.617159] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  314.636076] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  314.643790] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  314.651070] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  314.658342] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  314.665614] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  314.672896] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  314.680208]  ? dump_stack+0x34f/0x39d
[  314.684025]  ? dump_stack_print_info.cold.1+0x20/0x20
[  314.689235]  dump_header+0x27b/0xf72
[  314.692970]  ? mark_held_locks+0x130/0x130
[  314.697217]  ? pagefault_out_of_memory+0x197/0x197
[  314.702156]  ? __lock_acquire+0x62f/0x4c20
[  314.706399]  ? zap_class+0x640/0x640
[  314.710122]  ? percpu_ref_get_many+0x240/0x240
[  314.714706]  ? print_usage_bug+0xc0/0xc0
[  314.718768]  ? print_usage_bug+0xc0/0xc0
[  314.722836]  ? zap_class+0x640/0x640
[  314.726552]  ? print_usage_bug+0xc0/0xc0
[  314.730619]  ? print_usage_bug+0xc0/0xc0
[  314.734692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.740240]  ? find_held_lock+0x36/0x1c0
[  314.744312]  ? mark_held_locks+0xc7/0x130
[  314.748469]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  314.753577]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  314.758688]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  314.763274]  ? trace_hardirqs_on+0xbd/0x310
[  314.767601]  ? kasan_check_read+0x11/0x20
[  314.771751]  ? ___ratelimit+0x3b4/0x672
[  314.775729]  ? trace_hardirqs_off_caller+0x310/0x310
[  314.780836]  ? trace_hardirqs_on+0x310/0x310
[  314.785256]  ? lock_downgrade+0x900/0x900
[  314.789417]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  314.794527]  ? ___ratelimit+0x3b9/0x672
[  314.798513]  ? idr_get_free+0xec0/0xec0
[  314.802520]  ? find_held_lock+0x36/0x1c0
[  314.806606]  oom_kill_process.cold.27+0x10/0x903
[  314.811372]  ? zap_class+0x640/0x640
[  314.815086]  ? check_preemption_disabled+0x48/0x280
[  314.820112]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  314.825050]  ? kasan_check_read+0x11/0x20
[  314.829215]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  314.834502]  ? oom_evaluate_task+0x540/0x540
[  314.838920]  ? find_held_lock+0x36/0x1c0
[  314.843003]  ? out_of_memory+0x974/0x1430
[  314.847163]  ? lock_downgrade+0x900/0x900
[  314.851326]  ? check_preemption_disabled+0x48/0x280
[  314.856364]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  314.861303]  ? kasan_check_read+0x11/0x20
[  314.865457]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  314.870743]  ? rcu_softirq_qs+0x20/0x20
[  314.874726]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.880284]  ? oom_evaluate_task+0x302/0x540
[  314.884704]  out_of_memory+0xa84/0x1430
[  314.888689]  ? oom_killer_disable+0x3a0/0x3a0
[  314.893196]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  314.898134]  ? __mutex_add_waiter+0x2a0/0x2a0
[  314.902645]  __alloc_pages_slowpath+0x22d4/0x2d70
[  314.907520]  ? warn_alloc+0x120/0x120
[  314.911324]  ? rcu_softirq_qs+0x20/0x20
[  314.915333]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.920876]  ? should_fail+0x22d/0xd01
[  314.924770]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  314.929885]  ? zap_class+0x640/0x640
[  314.933633]  ? __lock_is_held+0xb5/0x140
[  314.937705]  ? mark_held_locks+0x130/0x130
[  314.941953]  ? lock_release+0xa00/0xa00
[  314.945937]  ? perf_trace_sched_process_exec+0x860/0x860
[  314.951409]  ? __might_sleep+0x95/0x190
[  314.955391]  __alloc_pages_nodemask+0xa80/0xde0
[  314.960071]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  314.965091]  ? __page_cache_alloc+0x191/0x5c0
[  314.969590]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  314.974520]  ? kasan_check_read+0x11/0x20
[  314.978675]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  314.983978]  ? zap_class+0x640/0x640
[  314.987827]  ? zap_class+0x640/0x640
[  314.991542]  ? zap_class+0x640/0x640
[  314.995259]  ? __do_page_cache_readahead+0x7ce/0x980
[  315.000374]  ? find_held_lock+0x36/0x1c0
[  315.004447]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  315.009999]  alloc_pages_current+0x173/0x350
[  315.014436]  __page_cache_alloc+0x38c/0x5c0
[  315.018771]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  315.023705]  ? kasan_check_read+0x11/0x20
[  315.027862]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  315.033148]  ? generic_perform_write+0x6a0/0x6a0
[  315.037920]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.043464]  ? check_preemption_disabled+0x48/0x280
[  315.048501]  filemap_fault+0x1594/0x25f0
[  315.052582]  ? __lock_page_or_retry+0xa00/0xa00
[  315.057264]  ? mark_held_locks+0x130/0x130
[  315.061504]  ? rcu_softirq_qs+0x20/0x20
[  315.065500]  ? filemap_map_pages+0xe04/0x1990
[  315.070010]  ? __free_object+0x173/0x340
[  315.074081]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  315.079063]  ? trace_hardirqs_off_caller+0x310/0x310
[  315.084169]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  315.088865]  ? debug_object_free+0x32d/0x690
[  315.093276]  ? kasan_check_read+0x11/0x20
[  315.097432]  ? debug_object_destroy+0x2b0/0x2b0
[  315.102110]  ? lock_pi_update_atomic+0x150/0x150
[  315.106868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.112410]  ? __hrtimer_init+0xdb/0x240
[  315.116485]  ? lock_acquire+0x1ed/0x520
[  315.120460]  ? ext4_filemap_fault+0x7a/0xad
[  315.124791]  ? lock_release+0xa00/0xa00
[  315.128768]  ? perf_trace_sched_process_exec+0x860/0x860
[  315.134225]  ? print_usage_bug+0xc0/0xc0
[  315.138295]  ? print_usage_bug+0xc0/0xc0
[  315.142370]  ? down_read+0x8d/0x120
[  315.146001]  ? ext4_filemap_fault+0x7a/0xad
[  315.150329]  ? __down_interruptible+0x700/0x700
[  315.155013]  ext4_filemap_fault+0x82/0xad
[  315.159167]  __do_fault+0x100/0x6b0
[  315.162808]  ? find_held_lock+0x36/0x1c0
[  315.166878]  ? pmd_devmap_trans_unstable+0x220/0x220
[  315.171990]  ? mark_held_locks+0x130/0x130
[  315.176231]  ? mark_held_locks+0x130/0x130
[  315.180487]  ? kasan_check_read+0x11/0x20
[  315.184638]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.190195]  __handle_mm_fault+0x307c/0x5920
[  315.194611]  ? perf_trace_lock+0x7a0/0x7a0
[  315.198858]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  315.203715]  ? __switch_to_asm+0x34/0x70
[  315.207865]  ? __switch_to_asm+0x34/0x70
[  315.211950]  ? zap_class+0x640/0x640
[  315.215664]  ? zap_class+0x640/0x640
[  315.219383]  ? __x64_sys_futex+0x53e/0x6a0
[  315.223624]  ? find_held_lock+0x36/0x1c0
[  315.227698]  ? handle_mm_fault+0x42a/0xc70
[  315.231935]  ? lock_downgrade+0x900/0x900
[  315.236089]  ? check_preemption_disabled+0x48/0x280
[  315.241117]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  315.246046]  ? kasan_check_read+0x11/0x20
[  315.250203]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  315.255483]  ? rcu_softirq_qs+0x20/0x20
[  315.259455]  ? trace_hardirqs_off_caller+0x310/0x310
[  315.264564]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.270099]  ? check_preemption_disabled+0x48/0x280
[  315.275127]  handle_mm_fault+0x54f/0xc70
[  315.279200]  ? __handle_mm_fault+0x5920/0x5920
[  315.283790]  ? find_vma+0x34/0x190
[  315.287340]  __do_page_fault+0x5e8/0xe60
[  315.291493]  ? trace_hardirqs_off+0xb8/0x310
[  315.295910]  do_page_fault+0xf2/0x7e0
[  315.299960]  ? vmalloc_sync_all+0x30/0x30
[  315.304116]  ? error_entry+0x70/0xd0
[  315.307832]  ? trace_hardirqs_off_caller+0xbb/0x310
[  315.312847]  ? trace_hardirqs_on_caller+0xc0/0x310
[  315.317778]  ? syscall_return_slowpath+0x5e0/0x5e0
[  315.322710]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.327554]  ? trace_hardirqs_on_caller+0x310/0x310
[  315.332574]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  315.338032]  ? prepare_exit_to_usermode+0x291/0x3b0
[  315.343053]  ? page_fault+0x8/0x30
[  315.346597]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.351449]  ? page_fault+0x8/0x30
[  315.354992]  page_fault+0x1e/0x30
[  315.358447] RIP: 0033:0x40f9c0
[  315.361654] Code: Bad RIP value.
[  315.365018] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  315.370384] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  315.377648] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  315.384916] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  315.392192] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  315.399459] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  315.406760] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  315.406823] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  315.413775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  315.413783] Call Trace:
[  315.420344] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  315.429606]  <IRQ>
[  315.432177] syz-fuzzer cpuset=
[  315.442405]  dump_stack+0x244/0x39d
[  315.444531] /
[  315.447718]  ? dump_stack_print_info.cold.1+0x20/0x20
[  315.451320]  mems_allowed=0
[  315.453035]  warn_alloc.cold.117+0xb7/0x1bd
[  315.465435]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  315.470288]  ? lock_downgrade+0x900/0x900
[  315.474451]  ? trace_hardirqs_off+0xb8/0x310
[  315.478866]  ? trace_hardirqs_off+0xb8/0x310
[  315.483288]  __alloc_pages_slowpath+0x2660/0x2d70
[  315.488161]  ? warn_alloc+0x120/0x120
[  315.491975]  ? warn_alloc+0x120/0x120
[  315.495777]  ? print_usage_bug+0xc0/0xc0
[  315.499839]  ? warn_alloc+0x120/0x120
[  315.503644]  ? print_usage_bug+0xc0/0xc0
[  315.507709]  ? __lock_acquire+0x62f/0x4c20
[  315.511942]  ? __lock_acquire+0x62f/0x4c20
[  315.516193]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.521730]  ? should_fail+0x22d/0xd01
[  315.525622]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.530728]  ? __lock_acquire+0x62f/0x4c20
[  315.534968]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.540070]  ? __lock_acquire+0x62f/0x4c20
[  315.544302]  ? should_fail+0x22d/0xd01
[  315.548201]  ? find_held_lock+0x36/0x1c0
[  315.552273]  ? mark_held_locks+0x130/0x130
[  315.556516]  ? mark_held_locks+0x130/0x130
[  315.560751]  ? zap_class+0x640/0x640
[  315.564469]  ? zap_class+0x640/0x640
[  315.568193]  ? print_usage_bug+0xc0/0xc0
[  315.572257]  ? do_raw_spin_unlock+0xa7/0x330
[  315.576665]  ? zap_class+0x640/0x640
[  315.580383]  ? print_usage_bug+0xc0/0xc0
[  315.584451]  ? wq_watchdog_touch+0x9c/0xfe
[  315.588691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.594232]  ? check_preemption_disabled+0x48/0x280
[  315.599261]  ? __lock_is_held+0xb5/0x140
[  315.603333]  __alloc_pages_nodemask+0xa80/0xde0
[  315.608004]  ? zap_class+0x640/0x640
[  315.611721]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  315.616751]  ? find_held_lock+0x36/0x1c0
[  315.620824]  ? ____cache_alloc_node+0x1c7/0x1e0
[  315.625496]  ? lock_downgrade+0x900/0x900
[  315.629653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.635205]  cache_grow_begin+0xa5/0x8c0
[  315.639267]  ? do_raw_spin_unlock+0xa7/0x330
[  315.643685]  fallback_alloc+0x204/0x2e0
[  315.647665]  ____cache_alloc_node+0x1c7/0x1e0
[  315.652170]  kmem_cache_alloc_node+0xe3/0x730
[  315.656675]  ? ipv6_get_ifaddr+0x42e/0x620
[  315.660922]  __alloc_skb+0x119/0x770
[  315.664642]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  315.669924]  ? netdev_alloc_frag+0x1f0/0x1f0
[  315.674336]  ? lock_downgrade+0x900/0x900
[  315.678491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.684036]  ? refcount_sub_and_test_checked+0x203/0x310
[  315.689495]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  315.694944]  ? addrconf_rs_timer+0x690/0x690
[  315.699366]  ndisc_alloc_skb+0x144/0x340
[  315.703436]  ndisc_send_rs+0x331/0x6e0
[  315.707336]  addrconf_rs_timer+0x314/0x690
[  315.711580]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.715829]  call_timer_fn+0x272/0x920
[  315.719716]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.723955]  ? process_timeout+0x40/0x40
[  315.728029]  ? __run_timers+0x7da/0xc70
[  315.732011]  ? _raw_spin_unlock_irq+0x27/0x80
[  315.736511]  ? _raw_spin_unlock_irq+0x27/0x80
[  315.741008]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.745242]  ? lockdep_hardirqs_on+0x296/0x5b0
[  315.749830]  ? trace_hardirqs_on+0xbd/0x310
[  315.754150]  ? kasan_check_read+0x11/0x20
[  315.758310]  ? __run_timers+0x7da/0xc70
[  315.762288]  ? trace_hardirqs_off_caller+0x310/0x310
[  315.767396]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.771638]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  315.775872]  __run_timers+0x7e5/0xc70
[  315.779692]  ? timer_fixup_init+0x70/0x70
[  315.783841]  ? kasan_check_read+0x11/0x20
[  315.787992]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  315.793274]  ? rcu_softirq_qs+0x20/0x20
[  315.797254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.802794]  ? check_preemption_disabled+0x48/0x280
[  315.807818]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  315.812579]  ? retint_kernel+0x2d/0x2d
[  315.816482]  ? trace_hardirqs_on_caller+0xc0/0x310
[  315.821416]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  315.826188]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  315.831643]  ? zap_class+0x640/0x640
[  315.835369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.840906]  ? check_preemption_disabled+0x48/0x280
[  315.845934]  ? __lock_is_held+0xb5/0x140
[  315.849996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.855536]  ? check_preemption_disabled+0x48/0x280
[  315.860561]  run_timer_softirq+0x52/0xb0
[  315.864626]  ? rcu_read_lock_sched_held+0x14f/0x180
[  315.869642]  __do_softirq+0x308/0xb7e
[  315.873451]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  315.877944]  ? lock_downgrade+0x900/0x900
[  315.882096]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  315.887214]  ? pvclock_read_flags+0x160/0x160
[  315.891718]  ? lapic_next_event+0x5a/0x90
[  315.895867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.901411]  ? kvm_clock_read+0x18/0x30
[  315.905391]  ? kvm_sched_clock_read+0x9/0x20
[  315.909803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.915339]  ? check_preemption_disabled+0x48/0x280
[  315.920370]  irq_exit+0x17f/0x1c0
[  315.923824]  smp_apic_timer_interrupt+0x1cb/0x760
[  315.928682]  ? smp_call_function_single_interrupt+0x159/0x650
[  315.934567]  ? smp_call_function_single_interrupt+0x650/0x650
[  315.940457]  ? interrupt_entry+0xb5/0xc0
[  315.944523]  ? trace_hardirqs_off_caller+0xbb/0x310
[  315.949538]  ? trace_hardirqs_off_caller+0xbb/0x310
[  315.954554]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.959398]  ? trace_hardirqs_on_caller+0x310/0x310
[  315.964418]  ? trace_hardirqs_on_caller+0x310/0x310
[  315.969448]  ? task_prio+0x50/0x50
[  315.972989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.978529]  ? check_preemption_disabled+0x48/0x280
[  315.983555]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.988408]  apic_timer_interrupt+0xf/0x20
[  315.992644]  </IRQ>
[  315.994884] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  315.999815] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  316.018726] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  316.026440] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  316.033716] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  316.040984] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  316.048254] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  316.055525] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  316.062841]  skb_clone+0x1bb/0x500
[  316.066385]  ? skb_split+0x11e0/0x11e0
[  316.070276]  ? check_preemption_disabled+0x48/0x280
[  316.075300]  ? __this_cpu_preempt_check+0x1c/0x20
[  316.080147]  ? __bpf_redirect+0x54b/0xb20
[  316.084306]  bpf_clone_redirect+0xb9/0x490
[  316.088554]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  316.093574]  ? __sched_text_start+0x8/0x8
[  316.097725]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  316.102486]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  316.107074]  ? retint_kernel+0x2d/0x2d
[  316.111055]  ? find_held_lock+0x36/0x1c0
[  316.115126]  ? lock_acquire+0x1ed/0x520
[  316.119101]  ? bpf_test_run+0x3cb/0x780
[  316.123079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.128618]  ? check_preemption_disabled+0x48/0x280
[  316.133641]  ? kasan_check_read+0x11/0x20
[  316.137793]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  316.143072]  ? rcu_softirq_qs+0x20/0x20
[  316.147050]  ? preempt_schedule+0x4d/0x60
[  316.151211]  ? ___preempt_schedule+0x16/0x18
[  316.155646]  ? bpf_test_run+0x25d/0x780
[  316.159633]  ? netlink_diag_dump+0x2a0/0x2a0
[  316.164043]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.169580]  ? bpf_test_init.isra.10+0x70/0x100
[  316.174253]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  316.179020]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  316.183864]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  316.189406]  ? fput+0x130/0x1a0
[  316.192688]  ? __bpf_prog_get+0x9b/0x290
[  316.196754]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  316.201595]  ? bpf_prog_test_run+0x130/0x1a0
[  316.206008]  ? __x64_sys_bpf+0x3d8/0x520
[  316.210074]  ? bpf_prog_get+0x20/0x20
[  316.213894]  ? do_syscall_64+0x1b9/0x820
[  316.217955]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  316.223327]  ? syscall_return_slowpath+0x5e0/0x5e0
[  316.228258]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.233109]  ? trace_hardirqs_on_caller+0x310/0x310
[  316.238131]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  316.243148]  ? prepare_exit_to_usermode+0x291/0x3b0
[  316.248178]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.253043]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  316.258419] warn_alloc_show_mem: 1 callbacks suppressed
[  316.258431] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  316.258433] Mem-Info:
[  316.258472] active_anon:56297 inactive_anon:436 isolated_anon:0
[  316.258472]  active_file:15 inactive_file:14 isolated_file:0
[  316.258472]  unevictable:0 dirty:0 writeback:0 unstable:0
[  316.258472]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  316.258472]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  316.258472]  free:13786 free_pcp:429 free_cma:0
[  316.263802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  316.270481] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  316.272881] Call Trace:
[  316.305832] Node 0 
[  316.315179]  <IRQ>
[  316.342953] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  316.345517]  dump_stack+0x244/0x39d
[  316.347730] lowmem_reserve[]:
[  316.349876]  ? dump_stack_print_info.cold.1+0x20/0x20
[  316.375352]  0 2818
[  316.379005]  warn_alloc.cold.117+0xb7/0x1bd
[  316.382070]  6321
[  316.387255]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  316.389467]  6321
[  316.393781]  ? lock_downgrade+0x900/0x900
[  316.400664]  ? trace_hardirqs_off+0xb8/0x310
[  316.402704] Node 0 
[  316.406846]  ? trace_hardirqs_off+0xb8/0x310
[  316.411255] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  316.413466]  __alloc_pages_slowpath+0x2660/0x2d70
[  316.417849] lowmem_reserve[]:
[  316.445051]  ? warn_alloc+0x120/0x120
[  316.449849]  0
[  316.452969]  ? warn_alloc+0x120/0x120
[  316.456743]  0
[  316.458544]  ? print_usage_bug+0xc0/0xc0
[  316.462320]  3503
[  316.464121]  ? warn_alloc+0x120/0x120
[  316.468160]  3503
[  316.470224]  ? print_usage_bug+0xc0/0xc0
[  316.476059]  ? __lock_acquire+0x62f/0x4c20
[  316.480095] Node 0 
[  316.484320]  ? __lock_acquire+0x62f/0x4c20
[  316.484352] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  316.484359] lowmem_reserve[]:
[  316.486593]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.490801]  0
[  316.519259]  ? should_fail+0x22d/0xd01
[  316.522346]  0
[  316.527880]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  316.529658]  0
[  316.533538]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  316.535501]  0
[  316.540774]  ? __lock_acquire+0x62f/0x4c20
[  316.547646]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  316.549427] Node 0 
[  316.553655]  ? __lock_acquire+0x62f/0x4c20
[  316.558731] DMA: 
[  316.560968]  ? should_fail+0x22d/0xd01
[  316.565190] 1*4kB 
[  316.567250]  ? rcu_irq_exit+0x1a2/0x390
[  316.571110] (U) 
[  316.573265]  ? mark_held_locks+0x130/0x130
[  316.577215] 0*8kB 
[  316.579193]  ? mark_held_locks+0x130/0x130
[  316.583405] 0*16kB 
[  316.585552]  ? mark_held_locks+0xc7/0x130
[  316.589764] 1*32kB 
[  316.591997]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  316.596117] (U) 
[  316.598345]  ? zap_class+0x640/0x640
[  316.603339] 2*64kB 
[  316.605308]  ? print_usage_bug+0xc0/0xc0
[  316.608995] (U) 
[  316.611232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.615265] 1*128kB 
[  316.617238]  ? check_preemption_disabled+0x48/0x280
[  316.622745] (U) 
[  316.625066]  ? __lock_is_held+0xb5/0x140
[  316.630055] 1*256kB 
[  316.632026]  __alloc_pages_nodemask+0xa80/0xde0
[  316.636061] (U) 
[  316.638383]  ? zap_class+0x640/0x640
[  316.643027] 0*512kB 
[  316.644997]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  316.648686] 1*1024kB 
[  316.651014]  ? find_held_lock+0x36/0x1c0
[  316.656000] (U) 
[  316.658415]  ? ____cache_alloc_node+0x1c7/0x1e0
[  316.662450] 1*2048kB 
[  316.664413]  ? lock_downgrade+0x900/0x900
[  316.669058] (M) 
[  316.671467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.675591] 3*4096kB 
[  316.677565]  cache_grow_begin+0xa5/0x8c0
[  316.683071] (M) 
[  316.685477]  ? do_raw_spin_unlock+0xa7/0x330
[  316.689519] = 15908kB
[  316.691493]  fallback_alloc+0x204/0x2e0
[  316.695872] Node 0 
[  316.698282]  ____cache_alloc_node+0x1c7/0x1e0
[  316.702228] DMA32: 
[  316.704463]  kmem_cache_alloc_node+0xe3/0x730
[  316.708937] 5*4kB 
[  316.711171]  ? ipv6_get_ifaddr+0x42e/0x620
[  316.715646] (UM) 1*8kB 
[  316.717806]  __alloc_skb+0x119/0x770
[  316.722010] (U) 
[  316.724595]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  316.728286] 2*16kB 
[  316.730254]  ? netdev_alloc_frag+0x1f0/0x1f0
[  316.735505] (M) 
[  316.737734]  ? lock_downgrade+0x900/0x900
[  316.742116] 1*32kB 
[  316.744090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.748214] (M) 
[  316.750452]  ? refcount_sub_and_test_checked+0x203/0x310
[  316.755958] 3*64kB (M) 
[  316.757939]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  316.763363] 5*128kB 
[  316.765947]  ? addrconf_rs_timer+0x690/0x690
[  316.771370] (UM) 
[  316.773700]  ndisc_alloc_skb+0x144/0x340
[  316.778079] 3*256kB 
[  316.780136]  ndisc_send_rs+0x331/0x6e0
[  316.784172] (M) 
[  316.786500]  addrconf_rs_timer+0x314/0x690
[  316.790359] 4*512kB 
[  316.792333]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.796544] (UM) 
[  316.798873]  call_timer_fn+0x272/0x920
[  316.803071] 3*1024kB 
[  316.805128]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.808990] (UM) 
[  316.811398]  ? process_timeout+0x40/0x40
[  316.815610] 3*2048kB 
[  316.817675]  ? mark_held_locks+0xc7/0x130
[  316.821703] (UM) 
[  316.824109]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.828232] 3*4096kB 
[  316.830293]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.834761] (M) 
[  316.837166]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.841638] = 25244kB
[  316.843609]  ? lockdep_hardirqs_on+0x296/0x5b0
[  316.847821] Node 0 
[  316.850224]  ? trace_hardirqs_on+0xbd/0x310
[  316.854779] Normal: 
[  316.857014]  ? kasan_check_read+0x11/0x20
[  316.861309] 719*4kB 
[  316.863628]  ? __run_timers+0x7da/0xc70
[  316.867755] (UMEH) 
[  316.870075]  ? trace_hardirqs_off_caller+0x310/0x310
[  316.874023] 258*8kB 
[  316.876258]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.881331] (UME) 
[  316.883648]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.887858] 197*16kB 
[  316.890003]  __run_timers+0x7e5/0xc70
[  316.894209] (UME) 
[  316.896621]  ? timer_fixup_init+0x70/0x70
[  316.900388] 98*32kB 
[  316.902530]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  316.906649] (UME) 
[  316.908972]  ? zap_class+0x640/0x640
[  316.913962] 44*64kB 
[  316.916109]  ? print_usage_bug+0xc0/0xc0
[  316.919796] (UM) 
[  316.922116]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  316.926155] 0*128kB 
[  316.928218]  ? find_held_lock+0x36/0x1c0
[  316.933380] 0*256kB 
[  316.935700]  ? zap_class+0x640/0x640
[  316.939734] 0*512kB 
[  316.942051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.945739] 0*1024kB 
[  316.948058]  ? check_preemption_disabled+0x48/0x280
[  316.953570] 0*2048kB 
[  316.955995]  ? __lock_is_held+0xb5/0x140
[  316.961010] 0*4096kB 
[  316.963428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.967469] = 14044kB
[  316.969871]  ? check_preemption_disabled+0x48/0x280
[  316.975386] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  316.977787]  run_timer_softirq+0x52/0xb0
[  316.982784] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  316.991607]  ? rcu_read_lock_sched_held+0x14f/0x180
[  316.995645] 4793 total pagecache pages
[  317.004220]  __do_softirq+0x308/0xb7e
[  317.009220] 0 pages in swap cache
[  317.013094]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  317.016874] Swap cache stats: add 0, delete 0, find 0/0
[  317.020316]  ? lock_downgrade+0x900/0x900
[  317.024783] Free swap  = 0kB
[  317.030142]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  317.034264] Total swap = 0kB
[  317.037283]  ? pvclock_read_flags+0x160/0x160
[  317.042356] 1965979 pages RAM
[  317.045370]  ? lapic_next_event+0x5a/0x90
[  317.049841] 0 pages HighMem/MovableOnly
[  317.052953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.057073] 342867 pages reserved
[  317.061040]  ? kvm_clock_read+0x18/0x30
[  317.066551] 0 pages cma reserved
[  317.069993]  ? kvm_sched_clock_read+0x9/0x20
[  317.074022] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  317.077305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.077320]  ? check_preemption_disabled+0x48/0x280
[  317.077343]  irq_exit+0x17f/0x1c0
[  317.081780] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  317.088220]  smp_apic_timer_interrupt+0x1cb/0x760
[  317.093734] syz-executor4 cpuset=
[  317.098757]  ? smp_reschedule_interrupt+0x109/0x650
[  317.102208] syz4
[  317.112702]  ? smp_call_function_single_interrupt+0x650/0x650
[  317.117520]  mems_allowed=0
[  317.120970]  ? interrupt_entry+0xb5/0xc0
[  317.140754]  ? trace_hardirqs_off_caller+0xbb/0x310
[  317.145772]  ? trace_hardirqs_off_caller+0xbb/0x310
[  317.150791]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.155634]  ? trace_hardirqs_on_caller+0x310/0x310
[  317.160651]  ? trace_hardirqs_on_caller+0x310/0x310
[  317.165671]  ? task_prio+0x50/0x50
[  317.169222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.174759]  ? check_preemption_disabled+0x48/0x280
[  317.179780]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.184636]  apic_timer_interrupt+0xf/0x20
[  317.188864]  </IRQ>
[  317.191101] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  317.196292] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  317.215197] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  317.222909] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  317.230179] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  317.237456] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  317.244722] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  317.251989] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  317.259298]  retint_kernel+0x1b/0x2d
[  317.263012] RIP: 0010:dump_stack+0x358/0x39d
[  317.267419] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  317.286318] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  317.294029] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  317.301578] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  317.308849] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  317.316117] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  317.323382] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  317.330677]  ? dump_stack+0x34f/0x39d
[  317.334495]  ? dump_stack_print_info.cold.1+0x20/0x20
[  317.339701]  dump_header+0x27b/0xf72
[  317.343427]  ? mark_held_locks+0x130/0x130
[  317.347666]  ? pagefault_out_of_memory+0x197/0x197
[  317.352607]  ? __lock_acquire+0x62f/0x4c20
[  317.356844]  ? zap_class+0x640/0x640
[  317.360566]  ? percpu_ref_get_many+0x240/0x240
[  317.365153]  ? print_usage_bug+0xc0/0xc0
[  317.369225]  ? print_usage_bug+0xc0/0xc0
[  317.373293]  ? zap_class+0x640/0x640
[  317.377011]  ? print_usage_bug+0xc0/0xc0
[  317.381077]  ? print_usage_bug+0xc0/0xc0
[  317.385145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.390692]  ? find_held_lock+0x36/0x1c0
[  317.394763]  ? mark_held_locks+0xc7/0x130
[  317.398923]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  317.404033]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  317.409142]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  317.413730]  ? trace_hardirqs_on+0xbd/0x310
[  317.418055]  ? kasan_check_read+0x11/0x20
[  317.422216]  ? ___ratelimit+0x3b4/0x672
[  317.426205]  ? trace_hardirqs_off_caller+0x310/0x310
[  317.431316]  ? trace_hardirqs_on+0x310/0x310
[  317.435727]  ? lock_downgrade+0x900/0x900
[  317.439889]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  317.445008]  ? ___ratelimit+0x3b9/0x672
[  317.448986]  ? idr_get_free+0xec0/0xec0
[  317.452965]  ? find_held_lock+0x36/0x1c0
[  317.457039]  oom_kill_process.cold.27+0x10/0x903
[  317.461799]  ? zap_class+0x640/0x640
[  317.465517]  ? check_preemption_disabled+0x48/0x280
[  317.470541]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  317.475472]  ? kasan_check_read+0x11/0x20
[  317.479625]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.484909]  ? oom_evaluate_task+0x540/0x540
[  317.489325]  ? find_held_lock+0x36/0x1c0
[  317.493397]  ? out_of_memory+0x974/0x1430
[  317.497545]  ? lock_downgrade+0x900/0x900
[  317.501699]  ? check_preemption_disabled+0x48/0x280
[  317.506729]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  317.511667]  ? kasan_check_read+0x11/0x20
[  317.515820]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.521102]  ? rcu_softirq_qs+0x20/0x20
[  317.525086]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.530623]  ? oom_evaluate_task+0x302/0x540
[  317.535038]  out_of_memory+0xa84/0x1430
[  317.539024]  ? oom_killer_disable+0x3a0/0x3a0
[  317.543522]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  317.548457]  ? __mutex_add_waiter+0x2a0/0x2a0
[  317.552976]  __alloc_pages_slowpath+0x22d4/0x2d70
[  317.557860]  ? warn_alloc+0x120/0x120
[  317.561665]  ? rcu_softirq_qs+0x20/0x20
[  317.565679]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.571222]  ? should_fail+0x22d/0xd01
[  317.575123]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  317.580235]  ? zap_class+0x640/0x640
[  317.583987]  ? __lock_is_held+0xb5/0x140
[  317.588065]  ? mark_held_locks+0x130/0x130
[  317.592308]  ? lock_release+0xa00/0xa00
[  317.596289]  ? perf_trace_sched_process_exec+0x860/0x860
[  317.601755]  ? __might_sleep+0x95/0x190
[  317.605745]  __alloc_pages_nodemask+0xa80/0xde0
[  317.610432]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  317.615461]  ? __page_cache_alloc+0x191/0x5c0
[  317.620009]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  317.624950]  ? kasan_check_read+0x11/0x20
[  317.629117]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.634402]  ? zap_class+0x640/0x640
[  317.638130]  ? zap_class+0x640/0x640
[  317.641848]  ? zap_class+0x640/0x640
[  317.645586]  ? __do_page_cache_readahead+0x7ce/0x980
[  317.650707]  ? find_held_lock+0x36/0x1c0
[  317.654777]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  317.660331]  alloc_pages_current+0x173/0x350
[  317.664758]  __page_cache_alloc+0x38c/0x5c0
[  317.669086]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  317.674023]  ? kasan_check_read+0x11/0x20
[  317.678194]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.683485]  ? generic_perform_write+0x6a0/0x6a0
[  317.688255]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.693797]  ? check_preemption_disabled+0x48/0x280
[  317.698824]  filemap_fault+0x1594/0x25f0
[  317.702902]  ? __lock_page_or_retry+0xa00/0xa00
[  317.707576]  ? mark_held_locks+0x130/0x130
[  317.711820]  ? rcu_softirq_qs+0x20/0x20
[  317.715811]  ? filemap_map_pages+0xe04/0x1990
[  317.720323]  ? __free_object+0x173/0x340
[  317.724390]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  317.729323]  ? trace_hardirqs_off_caller+0x310/0x310
[  317.734430]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  317.739115]  ? debug_object_free+0x32d/0x690
[  317.743524]  ? kasan_check_read+0x11/0x20
[  317.747678]  ? debug_object_destroy+0x2b0/0x2b0
[  317.752352]  ? lock_pi_update_atomic+0x150/0x150
[  317.757111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.762648]  ? __hrtimer_init+0xdb/0x240
[  317.766723]  ? lock_acquire+0x1ed/0x520
[  317.770700]  ? ext4_filemap_fault+0x7a/0xad
[  317.775030]  ? lock_release+0xa00/0xa00
[  317.779002]  ? perf_trace_sched_process_exec+0x860/0x860
[  317.784459]  ? print_usage_bug+0xc0/0xc0
[  317.788522]  ? print_usage_bug+0xc0/0xc0
[  317.792601]  ? down_read+0x8d/0x120
[  317.796227]  ? ext4_filemap_fault+0x7a/0xad
[  317.800553]  ? __down_interruptible+0x700/0x700
[  317.805235]  ext4_filemap_fault+0x82/0xad
[  317.809389]  __do_fault+0x100/0x6b0
[  317.813018]  ? find_held_lock+0x36/0x1c0
[  317.817087]  ? pmd_devmap_trans_unstable+0x220/0x220
[  317.822201]  ? mark_held_locks+0x130/0x130
[  317.826444]  ? mark_held_locks+0x130/0x130
[  317.830709]  ? kasan_check_read+0x11/0x20
[  317.834862]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.840406]  __handle_mm_fault+0x307c/0x5920
[  317.844819]  ? perf_trace_lock+0x7a0/0x7a0
[  317.849065]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  317.853924]  ? __switch_to_asm+0x34/0x70
[  317.857990]  ? __switch_to_asm+0x34/0x70
[  317.862068]  ? zap_class+0x640/0x640
[  317.865785]  ? zap_class+0x640/0x640
[  317.869500]  ? __x64_sys_futex+0x53e/0x6a0
[  317.873739]  ? find_held_lock+0x36/0x1c0
[  317.877811]  ? handle_mm_fault+0x42a/0xc70
[  317.882052]  ? lock_downgrade+0x900/0x900
[  317.886205]  ? check_preemption_disabled+0x48/0x280
[  317.891235]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  317.896166]  ? kasan_check_read+0x11/0x20
[  317.900328]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  317.905612]  ? rcu_softirq_qs+0x20/0x20
[  317.909585]  ? trace_hardirqs_off_caller+0x310/0x310
[  317.914692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.920231]  ? check_preemption_disabled+0x48/0x280
[  317.925256]  handle_mm_fault+0x54f/0xc70
[  317.929327]  ? __handle_mm_fault+0x5920/0x5920
[  317.933916]  ? find_vma+0x34/0x190
[  317.937483]  __do_page_fault+0x5e8/0xe60
[  317.941543]  ? trace_hardirqs_off+0xb8/0x310
[  317.945965]  do_page_fault+0xf2/0x7e0
[  317.949767]  ? vmalloc_sync_all+0x30/0x30
[  317.953917]  ? error_entry+0x70/0xd0
[  317.957641]  ? trace_hardirqs_off_caller+0xbb/0x310
[  317.962656]  ? trace_hardirqs_on_caller+0xc0/0x310
[  317.967588]  ? syscall_return_slowpath+0x5e0/0x5e0
[  317.972517]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.977363]  ? trace_hardirqs_on_caller+0x310/0x310
[  317.982383]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  317.987837]  ? prepare_exit_to_usermode+0x291/0x3b0
[  317.992872]  ? page_fault+0x8/0x30
[  317.996416]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.001269]  ? page_fault+0x8/0x30
[  318.004816]  page_fault+0x1e/0x30
[  318.008267] RIP: 0033:0x40f9c0
[  318.011475] Code: Bad RIP value.
[  318.014837] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  318.020207] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  318.027473] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  318.034739] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  318.042007] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  318.049273] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  318.056569] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  318.056634] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  318.063586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  318.063595] Call Trace:
[  318.070160] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  318.079417]  <IRQ>
[  318.081992] syz-fuzzer cpuset=
[  318.092222]  dump_stack+0x244/0x39d
[  318.094345] /
[  318.097537]  ? dump_stack_print_info.cold.1+0x20/0x20
[  318.101143]  mems_allowed=0
[  318.102864]  warn_alloc.cold.117+0xb7/0x1bd
[  318.115251]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  318.120098]  ? lock_downgrade+0x900/0x900
[  318.124256]  ? trace_hardirqs_off+0xb8/0x310
[  318.128676]  ? trace_hardirqs_off+0xb8/0x310
[  318.133094]  __alloc_pages_slowpath+0x2660/0x2d70
[  318.137965]  ? warn_alloc+0x120/0x120
[  318.141771]  ? warn_alloc+0x120/0x120
[  318.145578]  ? print_usage_bug+0xc0/0xc0
[  318.149645]  ? warn_alloc+0x120/0x120
[  318.153452]  ? print_usage_bug+0xc0/0xc0
[  318.157519]  ? __lock_acquire+0x62f/0x4c20
[  318.161754]  ? __lock_acquire+0x62f/0x4c20
[  318.165995]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.171543]  ? should_fail+0x22d/0xd01
[  318.175433]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.180547]  ? __lock_acquire+0x62f/0x4c20
[  318.184784]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.189888]  ? __lock_acquire+0x62f/0x4c20
[  318.194120]  ? should_fail+0x22d/0xd01
[  318.198011]  ? find_held_lock+0x36/0x1c0
[  318.202082]  ? mark_held_locks+0x130/0x130
[  318.206323]  ? mark_held_locks+0x130/0x130
[  318.210557]  ? zap_class+0x640/0x640
[  318.214271]  ? zap_class+0x640/0x640
[  318.217987]  ? print_usage_bug+0xc0/0xc0
[  318.222051]  ? do_raw_spin_unlock+0xa7/0x330
[  318.226463]  ? zap_class+0x640/0x640
[  318.230177]  ? print_usage_bug+0xc0/0xc0
[  318.234247]  ? wq_watchdog_touch+0x9c/0xfe
[  318.238484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.244021]  ? check_preemption_disabled+0x48/0x280
[  318.249047]  ? __lock_is_held+0xb5/0x140
[  318.253121]  __alloc_pages_nodemask+0xa80/0xde0
[  318.257794]  ? zap_class+0x640/0x640
[  318.261511]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  318.266538]  ? find_held_lock+0x36/0x1c0
[  318.270613]  ? ____cache_alloc_node+0x1c7/0x1e0
[  318.275284]  ? lock_downgrade+0x900/0x900
[  318.279449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.284995]  cache_grow_begin+0xa5/0x8c0
[  318.289054]  ? do_raw_spin_unlock+0xa7/0x330
[  318.293478]  fallback_alloc+0x204/0x2e0
[  318.297465]  ____cache_alloc_node+0x1c7/0x1e0
[  318.302157]  kmem_cache_alloc_node+0xe3/0x730
[  318.306660]  ? ipv6_get_ifaddr+0x42e/0x620
[  318.310906]  __alloc_skb+0x119/0x770
[  318.314622]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  318.319905]  ? netdev_alloc_frag+0x1f0/0x1f0
[  318.324312]  ? lock_downgrade+0x900/0x900
[  318.328474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.334017]  ? refcount_sub_and_test_checked+0x203/0x310
[  318.339495]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  318.344946]  ? addrconf_rs_timer+0x690/0x690
[  318.349373]  ndisc_alloc_skb+0x144/0x340
[  318.353440]  ndisc_send_rs+0x331/0x6e0
[  318.357339]  addrconf_rs_timer+0x314/0x690
[  318.361579]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.365829]  call_timer_fn+0x272/0x920
[  318.369716]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.373951]  ? process_timeout+0x40/0x40
[  318.378028]  ? __run_timers+0x7da/0xc70
[  318.382012]  ? _raw_spin_unlock_irq+0x27/0x80
[  318.386507]  ? _raw_spin_unlock_irq+0x27/0x80
[  318.391004]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.395245]  ? lockdep_hardirqs_on+0x296/0x5b0
[  318.399831]  ? trace_hardirqs_on+0xbd/0x310
[  318.404158]  ? kasan_check_read+0x11/0x20
[  318.408314]  ? __run_timers+0x7da/0xc70
[  318.412289]  ? trace_hardirqs_off_caller+0x310/0x310
[  318.417400]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.421640]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  318.425880]  __run_timers+0x7e5/0xc70
[  318.429956]  ? timer_fixup_init+0x70/0x70
[  318.434113]  ? kasan_check_read+0x11/0x20
[  318.438267]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  318.443549]  ? rcu_softirq_qs+0x20/0x20
[  318.447526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.453067]  ? check_preemption_disabled+0x48/0x280
[  318.458093]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  318.462859]  ? retint_kernel+0x2d/0x2d
[  318.466750]  ? trace_hardirqs_on_caller+0xc0/0x310
[  318.471680]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  318.476439]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  318.481901]  ? zap_class+0x640/0x640
[  318.485621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.491160]  ? check_preemption_disabled+0x48/0x280
[  318.496200]  ? __lock_is_held+0xb5/0x140
[  318.500266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.505807]  ? check_preemption_disabled+0x48/0x280
[  318.510828]  run_timer_softirq+0x52/0xb0
[  318.514893]  ? rcu_read_lock_sched_held+0x14f/0x180
[  318.519908]  __do_softirq+0x308/0xb7e
[  318.523713]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  318.528220]  ? lock_downgrade+0x900/0x900
[  318.532373]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  318.537490]  ? pvclock_read_flags+0x160/0x160
[  318.541987]  ? lapic_next_event+0x5a/0x90
[  318.546139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.551683]  ? kvm_clock_read+0x18/0x30
[  318.555656]  ? kvm_sched_clock_read+0x9/0x20
[  318.560070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.565607]  ? check_preemption_disabled+0x48/0x280
[  318.570637]  irq_exit+0x17f/0x1c0
[  318.574097]  smp_apic_timer_interrupt+0x1cb/0x760
[  318.578936]  ? smp_call_function_single_interrupt+0x159/0x650
[  318.584820]  ? smp_call_function_single_interrupt+0x650/0x650
[  318.590713]  ? interrupt_entry+0xb5/0xc0
[  318.594775]  ? trace_hardirqs_off_caller+0xbb/0x310
[  318.599789]  ? trace_hardirqs_off_caller+0xbb/0x310
[  318.604811]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.609658]  ? trace_hardirqs_on_caller+0x310/0x310
[  318.614676]  ? trace_hardirqs_on_caller+0x310/0x310
[  318.619694]  ? task_prio+0x50/0x50
[  318.623238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.628775]  ? check_preemption_disabled+0x48/0x280
[  318.633800]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.638655]  apic_timer_interrupt+0xf/0x20
[  318.642885]  </IRQ>
[  318.645127] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  318.650059] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  318.668957] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  318.676665] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  318.683931] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  318.691202] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  318.698473] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  318.705744] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  318.713055]  skb_clone+0x1bb/0x500
[  318.716597]  ? skb_split+0x11e0/0x11e0
[  318.720486]  ? check_preemption_disabled+0x48/0x280
[  318.725507]  ? __this_cpu_preempt_check+0x1c/0x20
[  318.730352]  ? __bpf_redirect+0x54b/0xb20
[  318.734510]  bpf_clone_redirect+0xb9/0x490
[  318.738757]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  318.743775]  ? __sched_text_start+0x8/0x8
[  318.747924]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  318.752685]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  318.757271]  ? retint_kernel+0x2d/0x2d
[  318.761168]  ? find_held_lock+0x36/0x1c0
[  318.765255]  ? lock_acquire+0x1ed/0x520
[  318.769232]  ? bpf_test_run+0x3cb/0x780
[  318.773216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.778756]  ? check_preemption_disabled+0x48/0x280
[  318.783784]  ? kasan_check_read+0x11/0x20
[  318.787937]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  318.793222]  ? rcu_softirq_qs+0x20/0x20
[  318.797204]  ? preempt_schedule+0x4d/0x60
[  318.801357]  ? ___preempt_schedule+0x16/0x18
[  318.805775]  ? bpf_test_run+0x25d/0x780
[  318.809764]  ? netlink_diag_dump+0x2a0/0x2a0
[  318.814175]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.819811]  ? bpf_test_init.isra.10+0x70/0x100
[  318.824487]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  318.829254]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  318.834100]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  318.839637]  ? fput+0x130/0x1a0
[  318.842935]  ? __bpf_prog_get+0x9b/0x290
[  318.847001]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  318.851842]  ? bpf_prog_test_run+0x130/0x1a0
[  318.856255]  ? __x64_sys_bpf+0x3d8/0x520
[  318.860317]  ? bpf_prog_get+0x20/0x20
[  318.864139]  ? do_syscall_64+0x1b9/0x820
[  318.868211]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  318.873593]  ? syscall_return_slowpath+0x5e0/0x5e0
[  318.878523]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.883368]  ? trace_hardirqs_on_caller+0x310/0x310
[  318.888389]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  318.893412]  ? prepare_exit_to_usermode+0x291/0x3b0
[  318.898442]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.903304]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  318.908695] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  318.908700] warn_alloc_show_mem: 1 callbacks suppressed
[  318.908707] Mem-Info:
[  318.915370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  318.920736] active_anon:56297 inactive_anon:436 isolated_anon:0
[  318.920736]  active_file:15 inactive_file:14 isolated_file:0
[  318.920736]  unevictable:0 dirty:0 writeback:0 unstable:0
[  318.920736]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  318.920736]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  318.920736]  free:13786 free_pcp:429 free_cma:0
[  318.923113] Call Trace:
[  318.932517] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  318.965459]  <IRQ>
[  318.965483]  dump_stack+0x244/0x39d
[  318.968052] Node 0 
[  318.995821]  ? dump_stack_print_info.cold.1+0x20/0x20
[  318.997969] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  319.001584]  warn_alloc.cold.117+0xb7/0x1bd
[  319.003790] lowmem_reserve[]:
[  319.008980]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  319.034460]  0 2818
[  319.038802]  ? lock_downgrade+0x900/0x900
[  319.041876]  6321
[  319.046720]  ? trace_hardirqs_off+0xb8/0x310
[  319.048926]  6321
[  319.053076]  ? trace_hardirqs_off+0xb8/0x310
[  319.059518]  __alloc_pages_slowpath+0x2660/0x2d70
[  319.061552] Node 0 
[  319.065982]  ? warn_alloc+0x120/0x120
[  319.070793] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  319.073001]  ? warn_alloc+0x120/0x120
[  319.076772] lowmem_reserve[]: 0
[  319.103492]  ? print_usage_bug+0xc0/0xc0
[  319.107269]  0
[  319.110543]  ? warn_alloc+0x120/0x120
[  319.114576]  3503 3503
[  319.116385]  ? print_usage_bug+0xc0/0xc0
[  319.122665]  ? __lock_acquire+0x62f/0x4c20
[  319.126699] Node 0 
[  319.130922]  ? __lock_acquire+0x62f/0x4c20
[  319.130952] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  319.130959] lowmem_reserve[]:
[  319.133200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.137407]  0
[  319.165853]  ? should_fail+0x22d/0xd01
[  319.168931]  0
[  319.174463]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  319.174480]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.176259]  0
[  319.180156]  ? __lock_acquire+0x62f/0x4c20
[  319.181936]  0
[  319.187213]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.194090]  ? __lock_acquire+0x62f/0x4c20
[  319.198299] Node 0 
[  319.200097]  ? should_fail+0x22d/0xd01
[  319.205173] DMA: 1*4kB 
[  319.209438]  ? rcu_irq_exit+0x1a2/0x390
[  319.211652] (U) 
[  319.215551]  ? mark_held_locks+0x130/0x130
[  319.218093] 0*8kB 
[  319.222059]  ? mark_held_locks+0x130/0x130
[  319.224011] 0*16kB 
[  319.228240]  ? mark_held_locks+0xc7/0x130
[  319.230369] 1*32kB 
[  319.234595]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  319.236806] (U) 
[  319.240953]  ? zap_class+0x640/0x640
[  319.243164] 2*64kB 
[  319.248177]  ? print_usage_bug+0xc0/0xc0
[  319.250138] (U) 
[  319.253845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.256054] 1*128kB 
[  319.260110]  ? check_preemption_disabled+0x48/0x280
[  319.262062] (U) 
[  319.267600]  ? __lock_is_held+0xb5/0x140
[  319.269889] 1*256kB (U) 
[  319.274911]  __alloc_pages_nodemask+0xa80/0xde0
[  319.276858] 0*512kB 
[  319.280913]  ? zap_class+0x640/0x640
[  319.283564] 1*1024kB 
[  319.288232]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  319.290529] (U) 
[  319.294242]  ? find_held_lock+0x36/0x1c0
[  319.296624] 1*2048kB 
[  319.301929]  ? ____cache_alloc_node+0x1c7/0x1e0
[  319.303876] (M) 
[  319.307933]  ? lock_downgrade+0x900/0x900
[  319.310319] 3*4096kB 
[  319.314985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.316932] (M) 
[  319.321084]  cache_grow_begin+0xa5/0x8c0
[  319.323480] = 15908kB
[  319.329010]  ? do_raw_spin_unlock+0xa7/0x330
[  319.330961] Node 0 
[  319.335017]  fallback_alloc+0x204/0x2e0
[  319.337401] DMA32: 
[  319.341804]  ____cache_alloc_node+0x1c7/0x1e0
[  319.344019] 5*4kB 
[  319.347987]  kmem_cache_alloc_node+0xe3/0x730
[  319.350207] (UM) 
[  319.354699]  ? ipv6_get_ifaddr+0x42e/0x620
[  319.356822] 1*8kB 
[  319.361318]  __alloc_skb+0x119/0x770
[  319.363351] (U) 
[  319.367583]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  319.369705] 2*16kB 
[  319.373409]  ? netdev_alloc_frag+0x1f0/0x1f0
[  319.375365] (M) 
[  319.380637]  ? lock_downgrade+0x900/0x900
[  319.382852] 1*32kB 
[  319.387276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.389223] (M) 
[  319.393368]  ? refcount_sub_and_test_checked+0x203/0x310
[  319.395576] 3*64kB 
[  319.401109]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  319.403058] (M) 
[  319.408504]  ? addrconf_rs_timer+0x690/0x690
[  319.410714] 5*128kB 
[  319.416166]  ndisc_alloc_skb+0x144/0x340
[  319.418114] (UM) 
[  319.422514]  ndisc_send_rs+0x331/0x6e0
[  319.424814] 3*256kB 
[  319.428867]  addrconf_rs_timer+0x314/0x690
[  319.430903] (M) 
[  319.434786]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.437088] 4*512kB 
[  319.441328]  call_timer_fn+0x272/0x920
[  319.443267] (UM) 
[  319.447497]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.449801] 3*1024kB 
[  319.453682]  ? process_timeout+0x40/0x40
[  319.455718] (UM) 
[  319.459962]  ? mark_held_locks+0xc7/0x130
[  319.462337] 3*2048kB 
[  319.466393]  ? _raw_spin_unlock_irq+0x27/0x80
[  319.468432] (UM) 
[  319.472574]  ? _raw_spin_unlock_irq+0x27/0x80
[  319.474966] 3*4096kB 
[  319.479451]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.481496] (M) 
[  319.485989]  ? lockdep_hardirqs_on+0x296/0x5b0
[  319.488372] = 25244kB
[  319.492609]  ? trace_hardirqs_on+0xbd/0x310
[  319.494559] Node 0 
[  319.499138]  ? kasan_check_read+0x11/0x20
[  319.501534] Normal: 
[  319.505854]  ? __run_timers+0x7da/0xc70
[  319.508063] 719*4kB 
[  319.512214]  ? trace_hardirqs_off_caller+0x310/0x310
[  319.514511] (UMEH) 
[  319.518485]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.520786] 258*8kB 
[  319.525890]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.528108] (UME) 
[  319.532345]  __run_timers+0x7e5/0xc70
[  319.534640] 197*16kB 
[  319.538877]  ? timer_fixup_init+0x70/0x70
[  319.540998] (UME) 
[  319.544794]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  319.547179] 98*32kB 
[  319.551326]  ? zap_class+0x640/0x640
[  319.553458] (UME) 
[  319.558471]  ? print_usage_bug+0xc0/0xc0
[  319.560768] 44*64kB 
[  319.564474]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  319.566603] (UM) 
[  319.570688]  ? find_held_lock+0x36/0x1c0
[  319.572985] 0*128kB 
[  319.578175]  ? zap_class+0x640/0x640
[  319.580220] 0*256kB 
[  319.584275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.586574] 0*512kB 
[  319.590280]  ? check_preemption_disabled+0x48/0x280
[  319.592582] 0*1024kB 
[  319.598121]  ? __lock_is_held+0xb5/0x140
[  319.600468] 0*2048kB 
[  319.605480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.607867] 0*4096kB 
[  319.611937]  ? check_preemption_disabled+0x48/0x280
[  319.614327] = 14044kB
[  319.619858]  run_timer_softirq+0x52/0xb0
[  319.622253] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  319.627256]  ? rcu_read_lock_sched_held+0x14f/0x180
[  319.629646] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  319.633691]  __do_softirq+0x308/0xb7e
[  319.642505] 4793 total pagecache pages
[  319.647513]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  319.656066] 0 pages in swap cache
[  319.659858]  ? lock_downgrade+0x900/0x900
[  319.663723] Swap cache stats: add 0, delete 0, find 0/0
[  319.668212]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  319.671644] Free swap  = 0kB
[  319.675792]  ? pvclock_read_flags+0x160/0x160
[  319.681125] Total swap = 0kB
[  319.686227]  ? lapic_next_event+0x5a/0x90
[  319.689222] 1965979 pages RAM
[  319.693712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.696704] 0 pages HighMem/MovableOnly
[  319.700847]  ? kvm_clock_read+0x18/0x30
[  319.703937] 342867 pages reserved
[  319.703951] 0 pages cma reserved
[  319.709484]  ? kvm_sched_clock_read+0x9/0x20
[  319.713506] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  319.717399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.717414]  ? check_preemption_disabled+0x48/0x280
[  319.717437]  irq_exit+0x17f/0x1c0
[  319.720925] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  319.724235]  smp_apic_timer_interrupt+0x1cb/0x760
[  319.728619] syz-executor4 cpuset=
[  319.735105]  ? smp_reschedule_interrupt+0x109/0x650
[  319.740617] syz4
[  319.745625]  ? smp_call_function_single_interrupt+0x650/0x650
[  319.749055]  mems_allowed=0
[  319.759530]  ? interrupt_entry+0xb5/0xc0
[  319.787576]  ? trace_hardirqs_off_caller+0xbb/0x310
[  319.792595]  ? trace_hardirqs_off_caller+0xbb/0x310
[  319.797617]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.802460]  ? trace_hardirqs_on_caller+0x310/0x310
[  319.807481]  ? trace_hardirqs_on_caller+0x310/0x310
[  319.813284]  ? task_prio+0x50/0x50
[  319.816828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.822373]  ? check_preemption_disabled+0x48/0x280
[  319.827400]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.832256]  apic_timer_interrupt+0xf/0x20
[  319.836484]  </IRQ>
[  319.838720] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  319.843912] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  319.862816] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  319.870531] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  319.877797] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  319.885061] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  319.892328] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  319.899597] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  319.906909]  retint_kernel+0x1b/0x2d
[  319.910627] RIP: 0010:dump_stack+0x358/0x39d
[  319.915039] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  319.933942] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  319.941668] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  319.948934] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  319.956211] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  319.963477] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  319.970744] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  319.978038]  ? dump_stack+0x34f/0x39d
[  319.981857]  ? dump_stack_print_info.cold.1+0x20/0x20
[  319.987063]  dump_header+0x27b/0xf72
[  319.990788]  ? mark_held_locks+0x130/0x130
[  319.995030]  ? pagefault_out_of_memory+0x197/0x197
[  319.999969]  ? __lock_acquire+0x62f/0x4c20
[  320.004210]  ? zap_class+0x640/0x640
[  320.007931]  ? percpu_ref_get_many+0x240/0x240
[  320.012522]  ? print_usage_bug+0xc0/0xc0
[  320.016593]  ? print_usage_bug+0xc0/0xc0
[  320.020659]  ? zap_class+0x640/0x640
[  320.024376]  ? print_usage_bug+0xc0/0xc0
[  320.028438]  ? print_usage_bug+0xc0/0xc0
[  320.032509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.038052]  ? find_held_lock+0x36/0x1c0
[  320.042124]  ? mark_held_locks+0xc7/0x130
[  320.046281]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  320.051386]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  320.056494]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  320.061078]  ? trace_hardirqs_on+0xbd/0x310
[  320.065400]  ? kasan_check_read+0x11/0x20
[  320.069546]  ? ___ratelimit+0x3b4/0x672
[  320.073528]  ? trace_hardirqs_off_caller+0x310/0x310
[  320.078635]  ? trace_hardirqs_on+0x310/0x310
[  320.083046]  ? lock_downgrade+0x900/0x900
[  320.087211]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  320.092316]  ? ___ratelimit+0x3b9/0x672
[  320.096296]  ? idr_get_free+0xec0/0xec0
[  320.100274]  ? find_held_lock+0x36/0x1c0
[  320.104351]  oom_kill_process.cold.27+0x10/0x903
[  320.109109]  ? zap_class+0x640/0x640
[  320.112823]  ? check_preemption_disabled+0x48/0x280
[  320.117849]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  320.122779]  ? kasan_check_read+0x11/0x20
[  320.126932]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.132222]  ? oom_evaluate_task+0x540/0x540
[  320.136669]  ? find_held_lock+0x36/0x1c0
[  320.140740]  ? out_of_memory+0x974/0x1430
[  320.144893]  ? lock_downgrade+0x900/0x900
[  320.149042]  ? check_preemption_disabled+0x48/0x280
[  320.154073]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  320.159005]  ? kasan_check_read+0x11/0x20
[  320.163171]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.168458]  ? rcu_softirq_qs+0x20/0x20
[  320.172441]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.177980]  ? oom_evaluate_task+0x302/0x540
[  320.182396]  out_of_memory+0xa84/0x1430
[  320.186413]  ? oom_killer_disable+0x3a0/0x3a0
[  320.190909]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  320.195848]  ? __mutex_add_waiter+0x2a0/0x2a0
[  320.200358]  __alloc_pages_slowpath+0x22d4/0x2d70
[  320.205239]  ? warn_alloc+0x120/0x120
[  320.209042]  ? rcu_softirq_qs+0x20/0x20
[  320.213050]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.218589]  ? should_fail+0x22d/0xd01
[  320.222485]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  320.227596]  ? zap_class+0x640/0x640
[  320.231336]  ? __lock_is_held+0xb5/0x140
[  320.235413]  ? mark_held_locks+0x130/0x130
[  320.239650]  ? lock_release+0xa00/0xa00
[  320.243628]  ? perf_trace_sched_process_exec+0x860/0x860
[  320.249088]  ? __might_sleep+0x95/0x190
[  320.253096]  __alloc_pages_nodemask+0xa80/0xde0
[  320.257791]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  320.262814]  ? __page_cache_alloc+0x191/0x5c0
[  320.267309]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  320.272241]  ? kasan_check_read+0x11/0x20
[  320.276395]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.281675]  ? zap_class+0x640/0x640
[  320.285403]  ? zap_class+0x640/0x640
[  320.289120]  ? zap_class+0x640/0x640
[  320.292835]  ? __do_page_cache_readahead+0x7ce/0x980
[  320.297952]  ? find_held_lock+0x36/0x1c0
[  320.302022]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  320.307567]  alloc_pages_current+0x173/0x350
[  320.311989]  __page_cache_alloc+0x38c/0x5c0
[  320.316310]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  320.321238]  ? kasan_check_read+0x11/0x20
[  320.325394]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.330676]  ? generic_perform_write+0x6a0/0x6a0
[  320.335435]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.340983]  ? check_preemption_disabled+0x48/0x280
[  320.346007]  filemap_fault+0x1594/0x25f0
[  320.350088]  ? __lock_page_or_retry+0xa00/0xa00
[  320.354763]  ? mark_held_locks+0x130/0x130
[  320.358998]  ? rcu_softirq_qs+0x20/0x20
[  320.362995]  ? filemap_map_pages+0xe04/0x1990
[  320.367504]  ? __free_object+0x173/0x340
[  320.371571]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  320.376510]  ? trace_hardirqs_off_caller+0x310/0x310
[  320.381614]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  320.386302]  ? debug_object_free+0x32d/0x690
[  320.390720]  ? kasan_check_read+0x11/0x20
[  320.394870]  ? debug_object_destroy+0x2b0/0x2b0
[  320.399542]  ? lock_pi_update_atomic+0x150/0x150
[  320.404301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.409839]  ? __hrtimer_init+0xdb/0x240
[  320.413912]  ? lock_acquire+0x1ed/0x520
[  320.417888]  ? ext4_filemap_fault+0x7a/0xad
[  320.422226]  ? lock_release+0xa00/0xa00
[  320.426209]  ? perf_trace_sched_process_exec+0x860/0x860
[  320.432200]  ? print_usage_bug+0xc0/0xc0
[  320.436270]  ? print_usage_bug+0xc0/0xc0
[  320.440345]  ? down_read+0x8d/0x120
[  320.443976]  ? ext4_filemap_fault+0x7a/0xad
[  320.448302]  ? __down_interruptible+0x700/0x700
[  320.452987]  ext4_filemap_fault+0x82/0xad
[  320.457172]  __do_fault+0x100/0x6b0
[  320.460811]  ? find_held_lock+0x36/0x1c0
[  320.464882]  ? pmd_devmap_trans_unstable+0x220/0x220
[  320.469992]  ? mark_held_locks+0x130/0x130
[  320.474232]  ? mark_held_locks+0x130/0x130
[  320.478481]  ? kasan_check_read+0x11/0x20
[  320.482637]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.488191]  __handle_mm_fault+0x307c/0x5920
[  320.492605]  ? perf_trace_lock+0x7a0/0x7a0
[  320.496852]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  320.501708]  ? __switch_to_asm+0x34/0x70
[  320.505770]  ? __switch_to_asm+0x34/0x70
[  320.509845]  ? zap_class+0x640/0x640
[  320.513561]  ? zap_class+0x640/0x640
[  320.517276]  ? __x64_sys_futex+0x53e/0x6a0
[  320.521519]  ? find_held_lock+0x36/0x1c0
[  320.525590]  ? handle_mm_fault+0x42a/0xc70
[  320.529831]  ? lock_downgrade+0x900/0x900
[  320.533979]  ? check_preemption_disabled+0x48/0x280
[  320.539004]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  320.543937]  ? kasan_check_read+0x11/0x20
[  320.548095]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.553377]  ? rcu_softirq_qs+0x20/0x20
[  320.557352]  ? trace_hardirqs_off_caller+0x310/0x310
[  320.562456]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.567997]  ? check_preemption_disabled+0x48/0x280
[  320.573024]  handle_mm_fault+0x54f/0xc70
[  320.577091]  ? __handle_mm_fault+0x5920/0x5920
[  320.581681]  ? find_vma+0x34/0x190
[  320.585232]  __do_page_fault+0x5e8/0xe60
[  320.589299]  ? trace_hardirqs_off+0xb8/0x310
[  320.593721]  do_page_fault+0xf2/0x7e0
[  320.597534]  ? vmalloc_sync_all+0x30/0x30
[  320.601685]  ? error_entry+0x70/0xd0
[  320.605407]  ? trace_hardirqs_off_caller+0xbb/0x310
[  320.610422]  ? trace_hardirqs_on_caller+0xc0/0x310
[  320.615360]  ? syscall_return_slowpath+0x5e0/0x5e0
[  320.620288]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.625135]  ? trace_hardirqs_on_caller+0x310/0x310
[  320.630150]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  320.635613]  ? prepare_exit_to_usermode+0x291/0x3b0
[  320.640632]  ? page_fault+0x8/0x30
[  320.644191]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.649042]  ? page_fault+0x8/0x30
[  320.652590]  page_fault+0x1e/0x30
[  320.656045] RIP: 0033:0x40f9c0
[  320.659251] Code: Bad RIP value.
[  320.662614] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  320.667976] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  320.675241] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  320.682507] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  320.689779] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  320.697047] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  320.704349] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  320.704415] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  320.711362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  320.711367] Call Trace:
[  320.711374]  <IRQ>
[  320.711394]  dump_stack+0x244/0x39d
[  320.711413]  ? dump_stack_print_info.cold.1+0x20/0x20
[  320.717979] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  320.727257]  warn_alloc.cold.117+0xb7/0x1bd
[  320.729818] syz-fuzzer cpuset=
[  320.731970]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  320.735590] /
[  320.740777]  ? lock_downgrade+0x900/0x900
[  320.750985]  mems_allowed=0
[  320.755311]  ? trace_hardirqs_off+0xb8/0x310
[  320.776466]  ? trace_hardirqs_off+0xb8/0x310
[  320.780888]  __alloc_pages_slowpath+0x2660/0x2d70
[  320.785761]  ? warn_alloc+0x120/0x120
[  320.789572]  ? warn_alloc+0x120/0x120
[  320.793392]  ? print_usage_bug+0xc0/0xc0
[  320.797460]  ? warn_alloc+0x120/0x120
[  320.801264]  ? print_usage_bug+0xc0/0xc0
[  320.805330]  ? __lock_acquire+0x62f/0x4c20
[  320.809571]  ? __lock_acquire+0x62f/0x4c20
[  320.813811]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.819350]  ? should_fail+0x22d/0xd01
[  320.823245]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  320.828351]  ? __lock_acquire+0x62f/0x4c20
[  320.832591]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  320.837694]  ? __lock_acquire+0x62f/0x4c20
[  320.841932]  ? should_fail+0x22d/0xd01
[  320.845821]  ? find_held_lock+0x36/0x1c0
[  320.849895]  ? mark_held_locks+0x130/0x130
[  320.854136]  ? mark_held_locks+0x130/0x130
[  320.858376]  ? zap_class+0x640/0x640
[  320.862095]  ? zap_class+0x640/0x640
[  320.865815]  ? print_usage_bug+0xc0/0xc0
[  320.869875]  ? do_raw_spin_unlock+0xa7/0x330
[  320.874288]  ? zap_class+0x640/0x640
[  320.878008]  ? print_usage_bug+0xc0/0xc0
[  320.882088]  ? wq_watchdog_touch+0x9c/0xfe
[  320.886332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.891872]  ? check_preemption_disabled+0x48/0x280
[  320.896905]  ? __lock_is_held+0xb5/0x140
[  320.900978]  __alloc_pages_nodemask+0xa80/0xde0
[  320.905651]  ? zap_class+0x640/0x640
[  320.909379]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  320.914413]  ? find_held_lock+0x36/0x1c0
[  320.918507]  ? ____cache_alloc_node+0x1c7/0x1e0
[  320.923190]  ? lock_downgrade+0x900/0x900
[  320.927352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.932909]  cache_grow_begin+0xa5/0x8c0
[  320.936978]  ? do_raw_spin_unlock+0xa7/0x330
[  320.941429]  fallback_alloc+0x204/0x2e0
[  320.945441]  ____cache_alloc_node+0x1c7/0x1e0
[  320.949954]  kmem_cache_alloc_node+0xe3/0x730
[  320.954466]  ? ipv6_get_ifaddr+0x42e/0x620
[  320.958716]  __alloc_skb+0x119/0x770
[  320.962441]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  320.967742]  ? netdev_alloc_frag+0x1f0/0x1f0
[  320.972159]  ? lock_downgrade+0x900/0x900
[  320.976327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.981872]  ? refcount_sub_and_test_checked+0x203/0x310
[  320.987338]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  320.992797]  ? addrconf_rs_timer+0x690/0x690
[  320.997394]  ndisc_alloc_skb+0x144/0x340
[  321.001466]  ndisc_send_rs+0x331/0x6e0
[  321.005359]  addrconf_rs_timer+0x314/0x690
[  321.009603]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.013856]  call_timer_fn+0x272/0x920
[  321.017749]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.021988]  ? process_timeout+0x40/0x40
[  321.026063]  ? __run_timers+0x7da/0xc70
[  321.030041]  ? _raw_spin_unlock_irq+0x27/0x80
[  321.034540]  ? _raw_spin_unlock_irq+0x27/0x80
[  321.039033]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.043272]  ? lockdep_hardirqs_on+0x296/0x5b0
[  321.047858]  ? trace_hardirqs_on+0xbd/0x310
[  321.052192]  ? kasan_check_read+0x11/0x20
[  321.056352]  ? __run_timers+0x7da/0xc70
[  321.060330]  ? trace_hardirqs_off_caller+0x310/0x310
[  321.065441]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.069688]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.073929]  __run_timers+0x7e5/0xc70
[  321.077748]  ? timer_fixup_init+0x70/0x70
[  321.081899]  ? kasan_check_read+0x11/0x20
[  321.086054]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  321.091335]  ? rcu_softirq_qs+0x20/0x20
[  321.095312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.100854]  ? check_preemption_disabled+0x48/0x280
[  321.105879]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  321.110640]  ? retint_kernel+0x2d/0x2d
[  321.114531]  ? trace_hardirqs_on_caller+0xc0/0x310
[  321.119467]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  321.124227]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  321.129682]  ? zap_class+0x640/0x640
[  321.133407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.138951]  ? check_preemption_disabled+0x48/0x280
[  321.143982]  ? __lock_is_held+0xb5/0x140
[  321.148046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.153587]  ? check_preemption_disabled+0x48/0x280
[  321.158610]  run_timer_softirq+0x52/0xb0
[  321.162672]  ? rcu_read_lock_sched_held+0x14f/0x180
[  321.167690]  __do_softirq+0x308/0xb7e
[  321.171496]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  321.175998]  ? lock_downgrade+0x900/0x900
[  321.180158]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  321.185294]  ? pvclock_read_flags+0x160/0x160
[  321.189801]  ? lapic_next_event+0x5a/0x90
[  321.193955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.199501]  ? kvm_clock_read+0x18/0x30
[  321.203477]  ? kvm_sched_clock_read+0x9/0x20
[  321.207888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.213429]  ? check_preemption_disabled+0x48/0x280
[  321.218470]  irq_exit+0x17f/0x1c0
[  321.221932]  smp_apic_timer_interrupt+0x1cb/0x760
[  321.226777]  ? smp_call_function_single_interrupt+0x159/0x650
[  321.232666]  ? smp_call_function_single_interrupt+0x650/0x650
[  321.238558]  ? interrupt_entry+0xb5/0xc0
[  321.242622]  ? trace_hardirqs_off_caller+0xbb/0x310
[  321.247636]  ? trace_hardirqs_off_caller+0xbb/0x310
[  321.252658]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.257503]  ? trace_hardirqs_on_caller+0x310/0x310
[  321.262523]  ? trace_hardirqs_on_caller+0x310/0x310
[  321.267541]  ? task_prio+0x50/0x50
[  321.271086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.276625]  ? check_preemption_disabled+0x48/0x280
[  321.281652]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.286508]  apic_timer_interrupt+0xf/0x20
[  321.290743]  </IRQ>
[  321.292983] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  321.297916] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  321.317271] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  321.324991] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  321.332290] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  321.339556] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  321.346820] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  321.354089] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  321.361410]  skb_clone+0x1bb/0x500
[  321.364957]  ? skb_split+0x11e0/0x11e0
[  321.368845]  ? check_preemption_disabled+0x48/0x280
[  321.373866]  ? __this_cpu_preempt_check+0x1c/0x20
[  321.378713]  ? __bpf_redirect+0x54b/0xb20
[  321.382879]  bpf_clone_redirect+0xb9/0x490
[  321.387148]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  321.392193]  ? __sched_text_start+0x8/0x8
[  321.396352]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  321.401116]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  321.405705]  ? retint_kernel+0x2d/0x2d
[  321.409601]  ? find_held_lock+0x36/0x1c0
[  321.413680]  ? lock_acquire+0x1ed/0x520
[  321.417660]  ? bpf_test_run+0x3cb/0x780
[  321.421644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.427195]  ? check_preemption_disabled+0x48/0x280
[  321.432236]  ? kasan_check_read+0x11/0x20
[  321.436395]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  321.441678]  ? rcu_softirq_qs+0x20/0x20
[  321.445657]  ? preempt_schedule+0x4d/0x60
[  321.449808]  ? ___preempt_schedule+0x16/0x18
[  321.454227]  ? bpf_test_run+0x25d/0x780
[  321.458222]  ? netlink_diag_dump+0x2a0/0x2a0
[  321.462641]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.468191]  ? bpf_test_init.isra.10+0x70/0x100
[  321.472868]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  321.477638]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  321.482486]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  321.488024]  ? fput+0x130/0x1a0
[  321.491311]  ? __bpf_prog_get+0x9b/0x290
[  321.495378]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  321.500224]  ? bpf_prog_test_run+0x130/0x1a0
[  321.504638]  ? __x64_sys_bpf+0x3d8/0x520
[  321.508727]  ? bpf_prog_get+0x20/0x20
[  321.512555]  ? do_syscall_64+0x1b9/0x820
[  321.516621]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  321.521992]  ? syscall_return_slowpath+0x5e0/0x5e0
[  321.526921]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.531770]  ? trace_hardirqs_on_caller+0x310/0x310
[  321.536803]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  321.541822]  ? prepare_exit_to_usermode+0x291/0x3b0
[  321.546844]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.551701]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  321.557092] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  321.557098] warn_alloc_show_mem: 1 callbacks suppressed
[  321.557105] Mem-Info:
[  321.563766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  321.563774] Call Trace:
[  321.569151] active_anon:56297 inactive_anon:436 isolated_anon:0
[  321.569151]  active_file:15 inactive_file:14 isolated_file:0
[  321.569151]  unevictable:0 dirty:0 writeback:0 unstable:0
[  321.569151]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  321.569151]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  321.569151]  free:13786 free_pcp:429 free_cma:0
[  321.571523]  <IRQ>
[  321.580904] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  321.583492]  dump_stack+0x244/0x39d
[  321.616442] Node 0 
[  321.618608]  ? dump_stack_print_info.cold.1+0x20/0x20
[  321.646365] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  321.649985]  warn_alloc.cold.117+0xb7/0x1bd
[  321.652179] lowmem_reserve[]:
[  321.657374]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  321.682858]  0 2818
[  321.687206]  ? lock_downgrade+0x900/0x900
[  321.690278]  6321
[  321.695119]  ? trace_hardirqs_off+0xb8/0x310
[  321.697322]  6321
[  321.701472]  ? trace_hardirqs_off+0xb8/0x310
[  321.703512] Node 0 
[  321.707921]  __alloc_pages_slowpath+0x2660/0x2d70
[  321.709976] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  321.709983] lowmem_reserve[]:
[  321.714414]  ? warn_alloc+0x120/0x120
[  321.716598]  0
[  321.721434]  ? warn_alloc+0x120/0x120
[  321.748136]  0 3503
[  321.751263]  ? print_usage_bug+0xc0/0xc0
[  321.755024]  3503
[  321.756832]  ? warn_alloc+0x120/0x120
[  321.760604] Node 0 
[  321.762839]  ? print_usage_bug+0xc0/0xc0
[  321.766901] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  321.768933]  ? __lock_acquire+0x62f/0x4c20
[  321.772710] lowmem_reserve[]:
[  321.774942]  ? __lock_acquire+0x62f/0x4c20
[  321.778977]  0
[  321.807444]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.811658]  0
[  321.814758]  ? should_fail+0x22d/0xd01
[  321.818973]  0 0
[  321.820790]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  321.826302] Node 0 
[  321.828107]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  321.831967] DMA: 
[  321.833953]  ? __lock_acquire+0x62f/0x4c20
[  321.839212] 1*4kB 
[  321.841452]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  321.846533] (U) 
[  321.848600]  ? __lock_acquire+0x62f/0x4c20
[  321.852812] 0*8kB 
[  321.854961]  ? should_fail+0x22d/0xd01
[  321.860036] 0*16kB 
[  321.862015]  ? rcu_irq_exit+0x1a2/0x390
[  321.866220] 1*32kB 
[  321.868462]  ? mark_held_locks+0x130/0x130
[  321.872317] (U) 
[  321.874548]  ? mark_held_locks+0x130/0x130
[  321.878498] 2*64kB 
[  321.880737]  ? mark_held_locks+0xc7/0x130
[  321.884943] (U) 
[  321.886917]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  321.891129] 1*128kB 
[  321.893359]  ? zap_class+0x640/0x640
[  321.897477] (U) 1*256kB 
[  321.899465]  ? print_usage_bug+0xc0/0xc0
[  321.904458] (U) 
[  321.906783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.910472] 0*512kB 
[  321.913138]  ? check_preemption_disabled+0x48/0x280
[  321.917173] 1*1024kB 
[  321.919160]  ? __lock_is_held+0xb5/0x140
[  321.924661] (U) 
[  321.926995]  __alloc_pages_nodemask+0xa80/0xde0
[  321.931984] 1*2048kB 
[  321.934393]  ? zap_class+0x640/0x640
[  321.938424] (M) 
[  321.940401]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  321.945038] 3*4096kB (M) 
[  321.947459]  ? find_held_lock+0x36/0x1c0
[  321.951142] = 15908kB
[  321.951151] Node 0 
[  321.953128]  ? ____cache_alloc_node+0x1c7/0x1e0
[  321.958115] DMA32: 
[  321.960867]  ? lock_downgrade+0x900/0x900
[  321.964901] 5*4kB 
[  321.967315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.969521] (UM) 
[  321.974197]  cache_grow_begin+0xa5/0x8c0
[  321.976408] 1*8kB 
[  321.980551]  ? do_raw_spin_unlock+0xa7/0x330
[  321.982679] (U) 
[  321.988227]  fallback_alloc+0x204/0x2e0
[  321.990263] 2*16kB 
[  321.994322]  ____cache_alloc_node+0x1c7/0x1e0
[  321.996470] (M) 
[  322.000851]  kmem_cache_alloc_node+0xe3/0x730
[  322.002803] 1*32kB 
[  322.006770]  ? ipv6_get_ifaddr+0x42e/0x620
[  322.008983] (M) 
[  322.013479]  __alloc_skb+0x119/0x770
[  322.015425] 3*64kB 
[  322.019920]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.022121] (M) 5*128kB 
[  322.026364]  ? netdev_alloc_frag+0x1f0/0x1f0
[  322.028312] (UM) 
[  322.032022]  ? lock_downgrade+0x900/0x900
[  322.034236] 3*256kB 
[  322.039511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.042156] (M) 
[  322.046563]  ? refcount_sub_and_test_checked+0x203/0x310
[  322.048599] 4*512kB 
[  322.052744]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  322.055039] (UM) 
[  322.060570]  ? addrconf_rs_timer+0x690/0x690
[  322.062522] 3*1024kB 
[  322.067978]  ndisc_alloc_skb+0x144/0x340
[  322.070270] (UM) 
[  322.075714]  ndisc_send_rs+0x331/0x6e0
[  322.077757] 3*2048kB 
[  322.082159]  addrconf_rs_timer+0x314/0x690
[  322.084542] (UM) 
[  322.088600]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.090640] 3*4096kB 
[  322.094531]  call_timer_fn+0x272/0x920
[  322.096951] (M) = 25244kB
[  322.101197]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.103236] Node 0 
[  322.107471]  ? process_timeout+0x40/0x40
[  322.109855] Normal: 
[  322.113746]  ? mark_held_locks+0xc7/0x130
[  322.116477] 719*4kB 
[  322.120708]  ? _raw_spin_unlock_irq+0x27/0x80
[  322.122957] (UMEH) 
[  322.127011]  ? _raw_spin_unlock_irq+0x27/0x80
[  322.129310] 258*8kB 
[  322.133449]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.135749] (UME) 
[  322.140241]  ? lockdep_hardirqs_on+0x296/0x5b0
[  322.142452] 197*16kB 
[  322.146939]  ? trace_hardirqs_on+0xbd/0x310
[  322.149238] (UME) 
[  322.153464]  ? kasan_check_read+0x11/0x20
[  322.153482]  ? __run_timers+0x7da/0xc70
[  322.155612] 98*32kB 
[  322.160198]  ? trace_hardirqs_off_caller+0x310/0x310
[  322.162580] (UME) 
[  322.166896]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.169022] 44*64kB 
[  322.173167]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.177114] (UM) 
[  322.179435]  __run_timers+0x7e5/0xc70
[  322.184518] 0*128kB 
[  322.186674]  ? timer_fixup_init+0x70/0x70
[  322.190873] 0*256kB 
[  322.193199]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  322.197406] 0*512kB 
[  322.199469]  ? zap_class+0x640/0x640
[  322.203243] 0*1024kB 
[  322.205566]  ? print_usage_bug+0xc0/0xc0
[  322.209701] 0*2048kB 
[  322.212017]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  322.217005] 0*4096kB = 14044kB
[  322.219335]  ? find_held_lock+0x36/0x1c0
[  322.223027] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  322.225424]  ? zap_class+0x640/0x640
[  322.229474] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  322.231873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.237036] 4793 total pagecache pages
[  322.240226]  ? check_preemption_disabled+0x48/0x280
[  322.244267] 0 pages in swap cache
[  322.253102]  ? __lock_is_held+0xb5/0x140
[  322.256782] Swap cache stats: add 0, delete 0, find 0/0
[  322.256791] Free swap  = 0kB
[  322.265363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.270874] Total swap = 0kB
[  322.274757]  ? check_preemption_disabled+0x48/0x280
[  322.279749] 1965979 pages RAM
[  322.283209]  run_timer_softirq+0x52/0xb0
[  322.287242] 0 pages HighMem/MovableOnly
[  322.292602]  ? rcu_read_lock_sched_held+0x14f/0x180
[  322.295594] 342867 pages reserved
[  322.301126]  __do_softirq+0x308/0xb7e
[  322.304141] 0 pages cma reserved
[  322.309151]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  322.312293] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  322.316277]  ? lock_downgrade+0x900/0x900
[  322.316296]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  322.316321]  ? pvclock_read_flags+0x160/0x160
[  322.320427] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  322.325287]  ? lapic_next_event+0x5a/0x90
[  322.328714] syz-executor4 cpuset=
[  322.332510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.335847] syz4
[  322.340426]  ? kvm_clock_read+0x18/0x30
[  322.346893]  mems_allowed=0
[  322.351030]  ? kvm_sched_clock_read+0x9/0x20
[  322.397436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.402990]  ? check_preemption_disabled+0x48/0x280
[  322.408024]  irq_exit+0x17f/0x1c0
[  322.411505]  smp_apic_timer_interrupt+0x1cb/0x760
[  322.416352]  ? smp_reschedule_interrupt+0x109/0x650
[  322.421418]  ? smp_call_function_single_interrupt+0x650/0x650
[  322.427313]  ? interrupt_entry+0xb5/0xc0
[  322.431843]  ? trace_hardirqs_off_caller+0xbb/0x310
[  322.436863]  ? trace_hardirqs_off_caller+0xbb/0x310
[  322.441888]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.446735]  ? trace_hardirqs_on_caller+0x310/0x310
[  322.451753]  ? trace_hardirqs_on_caller+0x310/0x310
[  322.456772]  ? task_prio+0x50/0x50
[  322.460880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.466419]  ? check_preemption_disabled+0x48/0x280
[  322.471448]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.476307]  apic_timer_interrupt+0xf/0x20
[  322.480541]  </IRQ>
[  322.482789] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  322.487984] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  322.506896] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  322.514616] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  322.521889] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  322.529157] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  322.536438] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  322.543711] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  322.551022]  retint_kernel+0x1b/0x2d
[  322.554743] RIP: 0010:dump_stack+0x358/0x39d
[  322.559157] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  322.578074] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  322.585788] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  322.593059] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  322.600328] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  322.607598] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  322.614868] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  322.622163]  ? dump_stack+0x34f/0x39d
[  322.625990]  ? dump_stack_print_info.cold.1+0x20/0x20
[  322.631207]  dump_header+0x27b/0xf72
[  322.634936]  ? mark_held_locks+0x130/0x130
[  322.639179]  ? pagefault_out_of_memory+0x197/0x197
[  322.644131]  ? __lock_acquire+0x62f/0x4c20
[  322.648366]  ? zap_class+0x640/0x640
[  322.652085]  ? percpu_ref_get_many+0x240/0x240
[  322.656670]  ? print_usage_bug+0xc0/0xc0
[  322.660736]  ? print_usage_bug+0xc0/0xc0
[  322.664808]  ? zap_class+0x640/0x640
[  322.668530]  ? print_usage_bug+0xc0/0xc0
[  322.672596]  ? print_usage_bug+0xc0/0xc0
[  322.676675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.682236]  ? find_held_lock+0x36/0x1c0
[  322.686313]  ? mark_held_locks+0xc7/0x130
[  322.690469]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  322.695576]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  322.700686]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  322.705275]  ? trace_hardirqs_on+0xbd/0x310
[  322.709598]  ? kasan_check_read+0x11/0x20
[  322.713749]  ? ___ratelimit+0x3b4/0x672
[  322.717726]  ? trace_hardirqs_off_caller+0x310/0x310
[  322.722836]  ? trace_hardirqs_on+0x310/0x310
[  322.727250]  ? lock_downgrade+0x900/0x900
[  322.731411]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  322.736522]  ? ___ratelimit+0x3b9/0x672
[  322.740500]  ? idr_get_free+0xec0/0xec0
[  322.744474]  ? find_held_lock+0x36/0x1c0
[  322.748547]  oom_kill_process.cold.27+0x10/0x903
[  322.753317]  ? zap_class+0x640/0x640
[  322.757055]  ? check_preemption_disabled+0x48/0x280
[  322.762088]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  322.767020]  ? kasan_check_read+0x11/0x20
[  322.771176]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.776471]  ? oom_evaluate_task+0x540/0x540
[  322.780887]  ? find_held_lock+0x36/0x1c0
[  322.784967]  ? out_of_memory+0x974/0x1430
[  322.789118]  ? lock_downgrade+0x900/0x900
[  322.793268]  ? check_preemption_disabled+0x48/0x280
[  322.798297]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  322.803229]  ? kasan_check_read+0x11/0x20
[  322.807387]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.812671]  ? rcu_softirq_qs+0x20/0x20
[  322.816658]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.822208]  ? oom_evaluate_task+0x302/0x540
[  322.826625]  out_of_memory+0xa84/0x1430
[  322.830614]  ? oom_killer_disable+0x3a0/0x3a0
[  322.835112]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  322.840053]  ? __mutex_add_waiter+0x2a0/0x2a0
[  322.844562]  __alloc_pages_slowpath+0x22d4/0x2d70
[  322.849437]  ? warn_alloc+0x120/0x120
[  322.853243]  ? rcu_softirq_qs+0x20/0x20
[  322.857258]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.862797]  ? should_fail+0x22d/0xd01
[  322.866692]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  322.871801]  ? zap_class+0x640/0x640
[  322.875544]  ? __lock_is_held+0xb5/0x140
[  322.879618]  ? mark_held_locks+0x130/0x130
[  322.883864]  ? lock_release+0xa00/0xa00
[  322.887842]  ? perf_trace_sched_process_exec+0x860/0x860
[  322.893315]  ? __might_sleep+0x95/0x190
[  322.897304]  __alloc_pages_nodemask+0xa80/0xde0
[  322.901988]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  322.907012]  ? __page_cache_alloc+0x191/0x5c0
[  322.911509]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  322.916440]  ? kasan_check_read+0x11/0x20
[  322.920598]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.925882]  ? zap_class+0x640/0x640
[  322.929608]  ? zap_class+0x640/0x640
[  322.933324]  ? zap_class+0x640/0x640
[  322.937038]  ? __do_page_cache_readahead+0x7ce/0x980
[  322.942146]  ? find_held_lock+0x36/0x1c0
[  322.946222]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  322.951769]  alloc_pages_current+0x173/0x350
[  322.956197]  __page_cache_alloc+0x38c/0x5c0
[  322.960524]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  322.965456]  ? kasan_check_read+0x11/0x20
[  322.969611]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  322.974894]  ? generic_perform_write+0x6a0/0x6a0
[  322.979657]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.985202]  ? check_preemption_disabled+0x48/0x280
[  322.990232]  filemap_fault+0x1594/0x25f0
[  322.994312]  ? __lock_page_or_retry+0xa00/0xa00
[  322.999015]  ? mark_held_locks+0x130/0x130
[  323.003252]  ? rcu_softirq_qs+0x20/0x20
[  323.007242]  ? filemap_map_pages+0xe04/0x1990
[  323.011753]  ? __free_object+0x173/0x340
[  323.015817]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  323.020752]  ? trace_hardirqs_off_caller+0x310/0x310
[  323.025855]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  323.030539]  ? debug_object_free+0x32d/0x690
[  323.034954]  ? kasan_check_read+0x11/0x20
[  323.039103]  ? debug_object_destroy+0x2b0/0x2b0
[  323.043777]  ? lock_pi_update_atomic+0x150/0x150
[  323.048534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.054069]  ? __hrtimer_init+0xdb/0x240
[  323.058143]  ? lock_acquire+0x1ed/0x520
[  323.062116]  ? ext4_filemap_fault+0x7a/0xad
[  323.066445]  ? lock_release+0xa00/0xa00
[  323.070423]  ? perf_trace_sched_process_exec+0x860/0x860
[  323.075877]  ? print_usage_bug+0xc0/0xc0
[  323.079949]  ? print_usage_bug+0xc0/0xc0
[  323.084021]  ? down_read+0x8d/0x120
[  323.087643]  ? ext4_filemap_fault+0x7a/0xad
[  323.091972]  ? __down_interruptible+0x700/0x700
[  323.096650]  ext4_filemap_fault+0x82/0xad
[  323.100804]  __do_fault+0x100/0x6b0
[  323.104429]  ? find_held_lock+0x36/0x1c0
[  323.108497]  ? pmd_devmap_trans_unstable+0x220/0x220
[  323.113610]  ? mark_held_locks+0x130/0x130
[  323.117852]  ? mark_held_locks+0x130/0x130
[  323.122099]  ? kasan_check_read+0x11/0x20
[  323.126250]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.131801]  __handle_mm_fault+0x307c/0x5920
[  323.136221]  ? perf_trace_lock+0x7a0/0x7a0
[  323.140470]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  323.145328]  ? __switch_to_asm+0x34/0x70
[  323.149391]  ? __switch_to_asm+0x34/0x70
[  323.153469]  ? zap_class+0x640/0x640
[  323.157191]  ? zap_class+0x640/0x640
[  323.160910]  ? __x64_sys_futex+0x53e/0x6a0
[  323.165151]  ? find_held_lock+0x36/0x1c0
[  323.169238]  ? handle_mm_fault+0x42a/0xc70
[  323.173478]  ? lock_downgrade+0x900/0x900
[  323.177633]  ? check_preemption_disabled+0x48/0x280
[  323.182659]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  323.187594]  ? kasan_check_read+0x11/0x20
[  323.191751]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  323.197036]  ? rcu_softirq_qs+0x20/0x20
[  323.201013]  ? trace_hardirqs_off_caller+0x310/0x310
[  323.206126]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.211672]  ? check_preemption_disabled+0x48/0x280
[  323.216703]  handle_mm_fault+0x54f/0xc70
[  323.220778]  ? __handle_mm_fault+0x5920/0x5920
[  323.225373]  ? find_vma+0x34/0x190
[  323.228926]  __do_page_fault+0x5e8/0xe60
[  323.232994]  ? trace_hardirqs_off+0xb8/0x310
[  323.237414]  do_page_fault+0xf2/0x7e0
[  323.241227]  ? vmalloc_sync_all+0x30/0x30
[  323.245381]  ? error_entry+0x70/0xd0
[  323.249103]  ? trace_hardirqs_off_caller+0xbb/0x310
[  323.254117]  ? trace_hardirqs_on_caller+0xc0/0x310
[  323.259055]  ? syscall_return_slowpath+0x5e0/0x5e0
[  323.263990]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.268844]  ? trace_hardirqs_on_caller+0x310/0x310
[  323.273866]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  323.279326]  ? prepare_exit_to_usermode+0x291/0x3b0
[  323.284348]  ? page_fault+0x8/0x30
[  323.287893]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.292759]  ? page_fault+0x8/0x30
[  323.296311]  page_fault+0x1e/0x30
[  323.300298] RIP: 0033:0x40f9c0
[  323.303506] Code: Bad RIP value.
[  323.306867] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  323.312232] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  323.319504] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  323.326771] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  323.334036] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  323.341304] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  323.348607] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  323.348670] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  323.355623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  323.355632] Call Trace:
[  323.362209] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  323.371465]  <IRQ>
[  323.374037] syz-fuzzer cpuset=
[  323.384262]  dump_stack+0x244/0x39d
[  323.386384] /
[  323.389574]  ? dump_stack_print_info.cold.1+0x20/0x20
[  323.393175]  mems_allowed=0
[  323.394902]  warn_alloc.cold.117+0xb7/0x1bd
[  323.407297]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  323.412146]  ? lock_downgrade+0x900/0x900
[  323.416308]  ? trace_hardirqs_off+0xb8/0x310
[  323.420722]  ? trace_hardirqs_off+0xb8/0x310
[  323.425139]  __alloc_pages_slowpath+0x2660/0x2d70
[  323.430018]  ? warn_alloc+0x120/0x120
[  323.433830]  ? warn_alloc+0x120/0x120
[  323.437641]  ? print_usage_bug+0xc0/0xc0
[  323.441703]  ? warn_alloc+0x120/0x120
[  323.445508]  ? print_usage_bug+0xc0/0xc0
[  323.449575]  ? __lock_acquire+0x62f/0x4c20
[  323.453809]  ? __lock_acquire+0x62f/0x4c20
[  323.458051]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.463589]  ? should_fail+0x22d/0xd01
[  323.467484]  ? __lock_acquire+0x62f/0x4c20
[  323.471723]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  323.476830]  ? __lock_acquire+0x62f/0x4c20
[  323.481072]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  323.486173]  ? __lock_acquire+0x62f/0x4c20
[  323.490418]  ? should_fail+0x22d/0xd01
[  323.494323]  ? mark_held_locks+0x130/0x130
[  323.498563]  ? mark_held_locks+0x130/0x130
[  323.502805]  ? try_to_wake_up+0x10a/0x12e0
[  323.507041]  ? zap_class+0x640/0x640
[  323.510755]  ? print_usage_bug+0xc0/0xc0
[  323.514825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.520365]  ? check_preemption_disabled+0x48/0x280
[  323.525397]  ? __lock_is_held+0xb5/0x140
[  323.529478]  __alloc_pages_nodemask+0xa80/0xde0
[  323.534149]  ? zap_class+0x640/0x640
[  323.537871]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  323.542902]  ? find_held_lock+0x36/0x1c0
[  323.546979]  ? ____cache_alloc_node+0x1c7/0x1e0
[  323.551654]  ? lock_downgrade+0x900/0x900
[  323.555812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.561357]  cache_grow_begin+0xa5/0x8c0
[  323.565424]  ? do_raw_spin_unlock+0xa7/0x330
[  323.569850]  fallback_alloc+0x204/0x2e0
[  323.573837]  ____cache_alloc_node+0x1c7/0x1e0
[  323.578339]  kmem_cache_alloc_node+0xe3/0x730
[  323.582834]  ? ipv6_get_ifaddr+0x42e/0x620
[  323.587082]  __alloc_skb+0x119/0x770
[  323.590799]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  323.596079]  ? netdev_alloc_frag+0x1f0/0x1f0
[  323.600493]  ? lock_downgrade+0x900/0x900
[  323.604656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.610204]  ? refcount_sub_and_test_checked+0x203/0x310
[  323.615662]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  323.621116]  ? addrconf_rs_timer+0x690/0x690
[  323.625541]  ndisc_alloc_skb+0x144/0x340
[  323.629611]  ndisc_send_rs+0x331/0x6e0
[  323.633506]  addrconf_rs_timer+0x314/0x690
[  323.637748]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.641999]  call_timer_fn+0x272/0x920
[  323.645884]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.650126]  ? process_timeout+0x40/0x40
[  323.654230]  ? __run_timers+0x7da/0xc70
[  323.658219]  ? _raw_spin_unlock_irq+0x27/0x80
[  323.662719]  ? _raw_spin_unlock_irq+0x27/0x80
[  323.667218]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.671461]  ? lockdep_hardirqs_on+0x296/0x5b0
[  323.676049]  ? trace_hardirqs_on+0xbd/0x310
[  323.680376]  ? kasan_check_read+0x11/0x20
[  323.684531]  ? __run_timers+0x7da/0xc70
[  323.688512]  ? trace_hardirqs_off_caller+0x310/0x310
[  323.693631]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  323.697872]  __run_timers+0x7e5/0xc70
[  323.701688]  ? timer_fixup_init+0x70/0x70
[  323.705839]  ? kasan_check_read+0x11/0x20
[  323.709991]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  323.715271]  ? rcu_softirq_qs+0x20/0x20
[  323.719250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.724790]  ? check_preemption_disabled+0x48/0x280
[  323.729815]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  323.734580]  ? retint_kernel+0x2d/0x2d
[  323.738473]  ? trace_hardirqs_on_caller+0xc0/0x310
[  323.743403]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  323.748164]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  323.753630]  ? zap_class+0x640/0x640
[  323.757356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.762894]  ? check_preemption_disabled+0x48/0x280
[  323.767920]  ? __lock_is_held+0xb5/0x140
[  323.771986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.777532]  ? check_preemption_disabled+0x48/0x280
[  323.782566]  run_timer_softirq+0x52/0xb0
[  323.786635]  ? rcu_read_lock_sched_held+0x14f/0x180
[  323.791663]  __do_softirq+0x308/0xb7e
[  323.795484]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  323.799990]  ? lock_downgrade+0x900/0x900
[  323.804249]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  323.809376]  ? pvclock_read_flags+0x160/0x160
[  323.813882]  ? lapic_next_event+0x5a/0x90
[  323.818041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.823589]  ? kvm_clock_read+0x18/0x30
[  323.827569]  ? kvm_sched_clock_read+0x9/0x20
[  323.831984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.837521]  ? check_preemption_disabled+0x48/0x280
[  323.842552]  irq_exit+0x17f/0x1c0
[  323.846012]  smp_apic_timer_interrupt+0x1cb/0x760
[  323.850854]  ? smp_call_function_single_interrupt+0x159/0x650
[  323.856741]  ? smp_call_function_single_interrupt+0x650/0x650
[  323.862630]  ? interrupt_entry+0xb5/0xc0
[  323.866696]  ? trace_hardirqs_off_caller+0xbb/0x310
[  323.871711]  ? trace_hardirqs_off_caller+0xbb/0x310
[  323.876732]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.881581]  ? trace_hardirqs_on_caller+0x310/0x310
[  323.886599]  ? trace_hardirqs_on_caller+0x310/0x310
[  323.891623]  ? task_prio+0x50/0x50
[  323.895175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.900734]  ? check_preemption_disabled+0x48/0x280
[  323.905770]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.910639]  apic_timer_interrupt+0xf/0x20
[  323.914874]  </IRQ>
[  323.917126] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  323.922069] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  323.940984] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  323.948706] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  323.955982] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  323.963258] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  323.970533] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  323.977801] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  323.985120]  skb_clone+0x1bb/0x500
[  323.988666]  ? skb_split+0x11e0/0x11e0
[  323.992570]  ? check_preemption_disabled+0x48/0x280
[  323.997594]  ? __this_cpu_preempt_check+0x1c/0x20
[  324.002440]  ? __bpf_redirect+0x54b/0xb20
[  324.006608]  bpf_clone_redirect+0xb9/0x490
[  324.010860]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  324.015882]  ? __sched_text_start+0x8/0x8
[  324.020030]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  324.024792]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  324.029377]  ? retint_kernel+0x2d/0x2d
[  324.033270]  ? find_held_lock+0x36/0x1c0
[  324.037341]  ? lock_acquire+0x1ed/0x520
[  324.041318]  ? bpf_test_run+0x3cb/0x780
[  324.045299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.050838]  ? check_preemption_disabled+0x48/0x280
[  324.055896]  ? kasan_check_read+0x11/0x20
[  324.060046]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  324.065329]  ? rcu_softirq_qs+0x20/0x20
[  324.069304]  ? preempt_schedule+0x4d/0x60
[  324.073460]  ? ___preempt_schedule+0x16/0x18
[  324.077882]  ? bpf_test_run+0x25d/0x780
[  324.081869]  ? netlink_diag_dump+0x2a0/0x2a0
[  324.086284]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.091821]  ? bpf_test_init.isra.10+0x70/0x100
[  324.096497]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  324.101266]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  324.106107]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  324.111649]  ? fput+0x130/0x1a0
[  324.114932]  ? __bpf_prog_get+0x9b/0x290
[  324.118998]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  324.123841]  ? bpf_prog_test_run+0x130/0x1a0
[  324.128255]  ? __x64_sys_bpf+0x3d8/0x520
[  324.132316]  ? bpf_prog_get+0x20/0x20
[  324.136141]  ? do_syscall_64+0x1b9/0x820
[  324.140213]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  324.145589]  ? syscall_return_slowpath+0x5e0/0x5e0
[  324.150519]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.155367]  ? trace_hardirqs_on_caller+0x310/0x310
[  324.160389]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  324.165410]  ? prepare_exit_to_usermode+0x291/0x3b0
[  324.170436]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  324.175301]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  324.180682] warn_alloc_show_mem: 1 callbacks suppressed
[  324.180694] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  324.180696] Mem-Info:
[  324.180728] active_anon:56297 inactive_anon:436 isolated_anon:0
[  324.180728]  active_file:15 inactive_file:14 isolated_file:0
[  324.180728]  unevictable:0 dirty:0 writeback:0 unstable:0
[  324.180728]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  324.180728]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  324.180728]  free:13786 free_pcp:429 free_cma:0
[  324.186060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  324.186069] Call Trace:
[  324.192746] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  324.195144]  <IRQ>
[  324.228101] Node 0 
[  324.237459]  dump_stack+0x244/0x39d
[  324.240038] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  324.267781]  ? dump_stack_print_info.cold.1+0x20/0x20
[  324.269903] lowmem_reserve[]:
[  324.272144]  warn_alloc.cold.117+0xb7/0x1bd
[  324.275740]  0
[  324.301244]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  324.306405]  2818
[  324.309509]  ? lock_downgrade+0x900/0x900
[  324.313804]  6321
[  324.315604]  ? trace_hardirqs_off+0xb8/0x310
[  324.320418]  6321
[  324.322483]  ? trace_hardirqs_off+0xb8/0x310
[  324.328672]  __alloc_pages_slowpath+0x2660/0x2d70
[  324.333050] Node 0 
[  324.335131]  ? warn_alloc+0x120/0x120
[  324.339515] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  324.344329]  ? warn_alloc+0x120/0x120
[  324.346542] lowmem_reserve[]:
[  324.350342]  ? print_usage_bug+0xc0/0xc0
[  324.377060]  0
[  324.380864]  ? warn_alloc+0x120/0x120
[  324.383938]  0
[  324.388001]  ? print_usage_bug+0xc0/0xc0
[  324.389780]  3503
[  324.393577]  ? __lock_acquire+0x62f/0x4c20
[  324.395355]  3503
[  324.399417]  ? __lock_acquire+0x62f/0x4c20
[  324.401460] Node 0 
[  324.405694]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  324.407759] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  324.411960]  ? should_fail+0x22d/0xd01
[  324.414176] lowmem_reserve[]:
[  324.419721]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  324.448364]  0 0
[  324.452271]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.455426]  0 0
[  324.460712]  ? __lock_acquire+0x62f/0x4c20
[  324.462666] Node 0 
[  324.467769]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  324.469722] DMA: 
[  324.473958]  ? __lock_acquire+0x62f/0x4c20
[  324.476164] 1*4kB 
[  324.481260]  ? should_fail+0x22d/0xd01
[  324.481279]  ? rcu_irq_exit+0x1a2/0x390
[  324.483319] (U) 
[  324.487556]  ? mark_held_locks+0x130/0x130
[  324.489673] 0*8kB 
[  324.493554]  ? mark_held_locks+0x130/0x130
[  324.497496] 0*16kB 1*32kB 
[  324.499475]  ? mark_held_locks+0xc7/0x130
[  324.503682] (U) 
[  324.505826]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  324.510028] 2*64kB (U) 
[  324.512875]  ? zap_class+0x640/0x640
[  324.516996] 1*128kB (U) 
[  324.518978]  ? print_usage_bug+0xc0/0xc0
[  324.523970] 1*256kB (U) 
[  324.526563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.530249] 0*512kB 
[  324.532917]  ? check_preemption_disabled+0x48/0x280
[  324.536956] 1*1024kB 
[  324.539630]  ? __lock_is_held+0xb5/0x140
[  324.545133] (U) 
[  324.547476]  __alloc_pages_nodemask+0xa80/0xde0
[  324.552475] 1*2048kB 
[  324.554877]  ? zap_class+0x640/0x640
[  324.558911] (M) 
[  324.560886]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  324.565528] 3*4096kB 
[  324.567942]  ? find_held_lock+0x36/0x1c0
[  324.571622] (M) 
[  324.573605]  ? ____cache_alloc_node+0x1c7/0x1e0
[  324.578591] = 15908kB
[  324.580995]  ? lock_downgrade+0x900/0x900
[  324.585038] Node 0 
[  324.587015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.591656] DMA32: 
[  324.594067]  cache_grow_begin+0xa5/0x8c0
[  324.598197] 5*4kB 
[  324.600429]  ? do_raw_spin_unlock+0xa7/0x330
[  324.605940] (UM) 
[  324.608193]  fallback_alloc+0x204/0x2e0
[  324.612223] 1*8kB 
[  324.614371]  ____cache_alloc_node+0x1c7/0x1e0
[  324.618748] (U) 
[  324.620810]  kmem_cache_alloc_node+0xe3/0x730
[  324.624760] 2*16kB 
[  324.626903]  ? ipv6_get_ifaddr+0x42e/0x620
[  324.631363] (M) 1*32kB 
[  324.633354]  __alloc_skb+0x119/0x770
[  324.637817] (M) 3*64kB 
[  324.640068]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  324.644270] (M) 5*128kB 
[  324.646866]  ? netdev_alloc_frag+0x1f0/0x1f0
[  324.650545] (UM) 3*256kB 
[  324.653139]  ? lock_downgrade+0x900/0x900
[  324.658388] (M) 4*512kB 
[  324.661087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.665465] (UM) 
[  324.668230]  ? refcount_sub_and_test_checked+0x203/0x310
[  324.672351] 3*1024kB 
[  324.675021]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  324.680528] (UM) 3*2048kB 
[  324.682604]  ? addrconf_rs_timer+0x690/0x690
[  324.688038] (UM) 3*4096kB 
[  324.690468]  ndisc_alloc_skb+0x144/0x340
[  324.695889] (M) 
[  324.698732]  ndisc_send_rs+0x331/0x6e0
[  324.703110] = 25244kB
[  324.705959]  addrconf_rs_timer+0x314/0x690
[  324.709992] Node 0 
[  324.711979]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.715827] Normal: 
[  324.718257]  call_timer_fn+0x272/0x920
[  324.722466] 719*4kB 
[  324.724704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.728962] (UMEH) 
[  324.731288]  ? process_timeout+0x40/0x40
[  324.735142] 258*8kB (UME) 
[  324.737477]  ? mark_held_locks+0xc7/0x130
[  324.741673] 197*16kB (UME) 
[  324.743920]  ? _raw_spin_unlock_irq+0x27/0x80
[  324.747983] 98*32kB (UME) 
[  324.750839]  ? _raw_spin_unlock_irq+0x27/0x80
[  324.754955] 44*64kB (UM) 
[  324.757892]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.762360] 0*128kB 0*256kB 
[  324.765217]  ? lockdep_hardirqs_on+0x296/0x5b0
[  324.769689] 0*512kB 
[  324.772445]  ? trace_hardirqs_on+0xbd/0x310
[  324.776653] 0*1024kB 0*2048kB 
[  324.779677]  ? kasan_check_read+0x11/0x20
[  324.784231] 0*4096kB = 14044kB
[  324.786565]  ? __run_timers+0x7da/0xc70
[  324.790866] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  324.794050]  ? trace_hardirqs_off_caller+0x310/0x310
[  324.798181] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  324.801376]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.805320] 4793 total pagecache pages
[  324.814159]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  324.819238] 0 pages in swap cache
[  324.827813]  __run_timers+0x7e5/0xc70
[  324.832022] Swap cache stats: add 0, delete 0, find 0/0
[  324.835910]  ? timer_fixup_init+0x70/0x70
[  324.840104] Free swap  = 0kB
[  324.840113] Total swap = 0kB
[  324.843582]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  324.847359] 1965979 pages RAM
[  324.852715]  ? zap_class+0x640/0x640
[  324.856835] 0 pages HighMem/MovableOnly
[  324.856843] 342867 pages reserved
[  324.859860]  ? print_usage_bug+0xc0/0xc0
[  324.862852] 0 pages cma reserved
[  324.867865]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  324.871008] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  324.874658]  ? find_held_lock+0x36/0x1c0
[  324.878703] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  324.882055]  ? zap_class+0x640/0x640
[  324.886086] syz-executor4 cpuset=
[  324.889452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.894618] syz4
[  324.901112]  ? check_preemption_disabled+0x48/0x280
[  324.905153]  mems_allowed=0
[  324.915640]  ? __lock_is_held+0xb5/0x140
[  324.942230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.947780]  ? check_preemption_disabled+0x48/0x280
[  324.952807]  run_timer_softirq+0x52/0xb0
[  324.956871]  ? rcu_read_lock_sched_held+0x14f/0x180
[  324.961895]  __do_softirq+0x308/0xb7e
[  324.965702]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  324.970208]  ? lock_downgrade+0x900/0x900
[  324.974366]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  324.979483]  ? pvclock_read_flags+0x160/0x160
[  324.983991]  ? lapic_next_event+0x5a/0x90
[  324.988152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  324.993713]  ? kvm_clock_read+0x18/0x30
[  324.997698]  ? kvm_sched_clock_read+0x9/0x20
[  325.002122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.007670]  ? check_preemption_disabled+0x48/0x280
[  325.012725]  irq_exit+0x17f/0x1c0
[  325.016194]  smp_apic_timer_interrupt+0x1cb/0x760
[  325.021043]  ? smp_reschedule_interrupt+0x109/0x650
[  325.026071]  ? smp_call_function_single_interrupt+0x650/0x650
[  325.031979]  ? interrupt_entry+0xb5/0xc0
[  325.036054]  ? trace_hardirqs_off_caller+0xbb/0x310
[  325.041074]  ? trace_hardirqs_off_caller+0xbb/0x310
[  325.046098]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.050954]  ? trace_hardirqs_on_caller+0x310/0x310
[  325.055981]  ? trace_hardirqs_on_caller+0x310/0x310
[  325.061005]  ? task_prio+0x50/0x50
[  325.064551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.070092]  ? check_preemption_disabled+0x48/0x280
[  325.075120]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.079981]  apic_timer_interrupt+0xf/0x20
[  325.084216]  </IRQ>
[  325.086455] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  325.091654] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  325.110564] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  325.118291] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  325.125579] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  325.132861] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  325.140142] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  325.147424] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  325.154754]  retint_kernel+0x1b/0x2d
[  325.158481] RIP: 0010:dump_stack+0x358/0x39d
[  325.162904] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  325.181820] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  325.189548] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  325.196832] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  325.204116] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  325.211400] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  325.218683] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  325.225998]  ? dump_stack+0x34f/0x39d
[  325.229837]  ? dump_stack_print_info.cold.1+0x20/0x20
[  325.235062]  dump_header+0x27b/0xf72
[  325.238795]  ? mark_held_locks+0x130/0x130
[  325.243037]  ? pagefault_out_of_memory+0x197/0x197
[  325.247980]  ? __lock_acquire+0x62f/0x4c20
[  325.252222]  ? zap_class+0x640/0x640
[  325.255943]  ? percpu_ref_get_many+0x240/0x240
[  325.260541]  ? print_usage_bug+0xc0/0xc0
[  325.264610]  ? print_usage_bug+0xc0/0xc0
[  325.268678]  ? zap_class+0x640/0x640
[  325.272397]  ? print_usage_bug+0xc0/0xc0
[  325.276464]  ? print_usage_bug+0xc0/0xc0
[  325.280541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.286084]  ? find_held_lock+0x36/0x1c0
[  325.290161]  ? mark_held_locks+0xc7/0x130
[  325.294330]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  325.299774]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  325.304881]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  325.309468]  ? trace_hardirqs_on+0xbd/0x310
[  325.313796]  ? kasan_check_read+0x11/0x20
[  325.317955]  ? ___ratelimit+0x3b4/0x672
[  325.321933]  ? trace_hardirqs_off_caller+0x310/0x310
[  325.327046]  ? trace_hardirqs_on+0x310/0x310
[  325.331462]  ? lock_downgrade+0x900/0x900
[  325.335627]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  325.340738]  ? ___ratelimit+0x3b9/0x672
[  325.344718]  ? idr_get_free+0xec0/0xec0
[  325.348702]  ? find_held_lock+0x36/0x1c0
[  325.352782]  oom_kill_process.cold.27+0x10/0x903
[  325.357543]  ? zap_class+0x640/0x640
[  325.361263]  ? check_preemption_disabled+0x48/0x280
[  325.366294]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  325.371227]  ? kasan_check_read+0x11/0x20
[  325.375383]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.380715]  ? oom_evaluate_task+0x540/0x540
[  325.385136]  ? find_held_lock+0x36/0x1c0
[  325.389220]  ? out_of_memory+0x974/0x1430
[  325.393377]  ? lock_downgrade+0x900/0x900
[  325.397525]  ? check_preemption_disabled+0x48/0x280
[  325.402549]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  325.407484]  ? kasan_check_read+0x11/0x20
[  325.411641]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.416921]  ? rcu_softirq_qs+0x20/0x20
[  325.420906]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.426448]  ? oom_evaluate_task+0x302/0x540
[  325.430869]  out_of_memory+0xa84/0x1430
[  325.434858]  ? oom_killer_disable+0x3a0/0x3a0
[  325.439358]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  325.444296]  ? __mutex_add_waiter+0x2a0/0x2a0
[  325.448804]  __alloc_pages_slowpath+0x22d4/0x2d70
[  325.453683]  ? warn_alloc+0x120/0x120
[  325.457485]  ? rcu_softirq_qs+0x20/0x20
[  325.461495]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.467034]  ? should_fail+0x22d/0xd01
[  325.470933]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  325.476043]  ? zap_class+0x640/0x640
[  325.479785]  ? __lock_is_held+0xb5/0x140
[  325.483865]  ? mark_held_locks+0x130/0x130
[  325.488111]  ? lock_release+0xa00/0xa00
[  325.492096]  ? perf_trace_sched_process_exec+0x860/0x860
[  325.497563]  ? __might_sleep+0x95/0x190
[  325.501550]  __alloc_pages_nodemask+0xa80/0xde0
[  325.506234]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  325.511259]  ? __page_cache_alloc+0x191/0x5c0
[  325.515757]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  325.520692]  ? kasan_check_read+0x11/0x20
[  325.524848]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.530139]  ? zap_class+0x640/0x640
[  325.533864]  ? zap_class+0x640/0x640
[  325.537591]  ? zap_class+0x640/0x640
[  325.541312]  ? __do_page_cache_readahead+0x7ce/0x980
[  325.546428]  ? find_held_lock+0x36/0x1c0
[  325.550501]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  325.556051]  alloc_pages_current+0x173/0x350
[  325.560472]  __page_cache_alloc+0x38c/0x5c0
[  325.564798]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  325.569731]  ? kasan_check_read+0x11/0x20
[  325.573885]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.579171]  ? generic_perform_write+0x6a0/0x6a0
[  325.583939]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.589485]  ? check_preemption_disabled+0x48/0x280
[  325.594514]  filemap_fault+0x1594/0x25f0
[  325.598591]  ? __lock_page_or_retry+0xa00/0xa00
[  325.603269]  ? mark_held_locks+0x130/0x130
[  325.607512]  ? rcu_softirq_qs+0x20/0x20
[  325.611501]  ? filemap_map_pages+0xe04/0x1990
[  325.616014]  ? __free_object+0x173/0x340
[  325.620097]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  325.625032]  ? trace_hardirqs_off_caller+0x310/0x310
[  325.630140]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  325.634823]  ? debug_object_free+0x32d/0x690
[  325.639232]  ? kasan_check_read+0x11/0x20
[  325.643385]  ? debug_object_destroy+0x2b0/0x2b0
[  325.648090]  ? lock_pi_update_atomic+0x150/0x150
[  325.652849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  325.658388]  ? __hrtimer_init+0xdb/0x240
[  325.662463]  ? lock_acquire+0x1ed/0x520
[  325.666440]  ? ext4_filemap_fault+0x7a/0xad
[  325.670773]  ? lock_release+0xa00/0xa00
[  325.674750]  ? perf_trace_sched_process_exec+0x860/0x860
[  325.680212]  ? print_usage_bug+0xc0/0xc0
[  325.684284]  ? print_usage_bug+0xc0/0xc0
[  325.688360]  ? down_read+0x8d/0x120
[  325.691983]  ? ext4_filemap_fault+0x7a/0xad
[  325.696311]  ? __down_interruptible+0x700/0x700
[  325.700996]  ext4_filemap_fault+0x82/0xad
[  325.705149]  __do_fault+0x100/0x6b0
[  325.708773]  ? find_held_lock+0x36/0x1c0
[  325.712838]  ? pmd_devmap_trans_unstable+0x220/0x220
[  325.717950]  ? mark_held_locks+0x130/0x130
[  325.722194]  ? mark_held_locks+0x130/0x130
[  325.726442]  ? kasan_check_read+0x11/0x20
[  325.730592]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.736139]  __handle_mm_fault+0x307c/0x5920
[  325.740551]  ? perf_trace_lock+0x7a0/0x7a0
[  325.744801]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  325.749663]  ? __switch_to_asm+0x34/0x70
[  325.753728]  ? __switch_to_asm+0x34/0x70
[  325.757810]  ? zap_class+0x640/0x640
[  325.761534]  ? zap_class+0x640/0x640
[  325.765253]  ? __x64_sys_futex+0x53e/0x6a0
[  325.769498]  ? find_held_lock+0x36/0x1c0
[  325.773573]  ? handle_mm_fault+0x42a/0xc70
[  325.777813]  ? lock_downgrade+0x900/0x900
[  325.781978]  ? check_preemption_disabled+0x48/0x280
[  325.787019]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  325.791956]  ? kasan_check_read+0x11/0x20
[  325.796111]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  325.801397]  ? rcu_softirq_qs+0x20/0x20
[  325.805377]  ? trace_hardirqs_off_caller+0x310/0x310
[  325.810486]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  325.816028]  ? check_preemption_disabled+0x48/0x280
[  325.821058]  handle_mm_fault+0x54f/0xc70
[  325.825124]  ? __handle_mm_fault+0x5920/0x5920
[  325.829716]  ? find_vma+0x34/0x190
[  325.833261]  __do_page_fault+0x5e8/0xe60
[  325.837322]  ? trace_hardirqs_off+0xb8/0x310
[  325.841744]  do_page_fault+0xf2/0x7e0
[  325.845548]  ? vmalloc_sync_all+0x30/0x30
[  325.849702]  ? error_entry+0x70/0xd0
[  325.853418]  ? trace_hardirqs_off_caller+0xbb/0x310
[  325.858432]  ? trace_hardirqs_on_caller+0xc0/0x310
[  325.863365]  ? syscall_return_slowpath+0x5e0/0x5e0
[  325.868295]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.873140]  ? trace_hardirqs_on_caller+0x310/0x310
[  325.878159]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  325.883625]  ? prepare_exit_to_usermode+0x291/0x3b0
[  325.888647]  ? page_fault+0x8/0x30
[  325.892199]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  325.897052]  ? page_fault+0x8/0x30
[  325.900604]  page_fault+0x1e/0x30
[  325.904060] RIP: 0033:0x40f9c0
[  325.907267] Code: Bad RIP value.
[  325.910628] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  325.915994] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  325.923261] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  325.930527] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  325.937810] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  325.945093] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  325.952394] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  325.952457] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  325.959412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  325.959417] Call Trace:
[  325.959425]  <IRQ>
[  325.959450]  dump_stack+0x244/0x39d
[  325.959469]  ? dump_stack_print_info.cold.1+0x20/0x20
[  325.966082] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  325.975303]  warn_alloc.cold.117+0xb7/0x1bd
[  325.977854] syz-fuzzer cpuset=
[  325.979998]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  325.983612] /
[  325.988800]  ? lock_downgrade+0x900/0x900
[  325.999003]  mems_allowed=0
[  326.003321]  ? trace_hardirqs_off+0xb8/0x310
[  326.024479]  ? trace_hardirqs_off+0xb8/0x310
[  326.028906]  __alloc_pages_slowpath+0x2660/0x2d70
[  326.033784]  ? warn_alloc+0x120/0x120
[  326.037593]  ? warn_alloc+0x120/0x120
[  326.041398]  ? print_usage_bug+0xc0/0xc0
[  326.045469]  ? warn_alloc+0x120/0x120
[  326.049275]  ? print_usage_bug+0xc0/0xc0
[  326.053339]  ? __lock_acquire+0x62f/0x4c20
[  326.057576]  ? __lock_acquire+0x62f/0x4c20
[  326.061817]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.067354]  ? should_fail+0x22d/0xd01
[  326.071247]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.076528]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  326.081630]  ? __lock_acquire+0x62f/0x4c20
[  326.085866]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  326.090975]  ? __lock_acquire+0x62f/0x4c20
[  326.095218]  ? should_fail+0x22d/0xd01
[  326.099113]  ? rcu_irq_exit+0x1a2/0x390
[  326.103104]  ? mark_held_locks+0x130/0x130
[  326.107353]  ? mark_held_locks+0x130/0x130
[  326.111601]  ? mark_held_locks+0xc7/0x130
[  326.115758]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  326.120778]  ? zap_class+0x640/0x640
[  326.124496]  ? print_usage_bug+0xc0/0xc0
[  326.128570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.134111]  ? check_preemption_disabled+0x48/0x280
[  326.139145]  ? __lock_is_held+0xb5/0x140
[  326.143219]  __alloc_pages_nodemask+0xa80/0xde0
[  326.147891]  ? zap_class+0x640/0x640
[  326.151611]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  326.156639]  ? find_held_lock+0x36/0x1c0
[  326.160718]  ? ____cache_alloc_node+0x1c7/0x1e0
[  326.165388]  ? lock_downgrade+0x900/0x900
[  326.169547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.175089]  cache_grow_begin+0xa5/0x8c0
[  326.179157]  ? do_raw_spin_unlock+0xa7/0x330
[  326.183587]  fallback_alloc+0x204/0x2e0
[  326.187572]  ____cache_alloc_node+0x1c7/0x1e0
[  326.192076]  kmem_cache_alloc_node+0xe3/0x730
[  326.196573]  ? ipv6_get_ifaddr+0x42e/0x620
[  326.200823]  __alloc_skb+0x119/0x770
[  326.204542]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.209821]  ? netdev_alloc_frag+0x1f0/0x1f0
[  326.214238]  ? lock_downgrade+0x900/0x900
[  326.218397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.223936]  ? refcount_sub_and_test_checked+0x203/0x310
[  326.229396]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  326.234851]  ? addrconf_rs_timer+0x690/0x690
[  326.239274]  ndisc_alloc_skb+0x144/0x340
[  326.243344]  ndisc_send_rs+0x331/0x6e0
[  326.247245]  addrconf_rs_timer+0x314/0x690
[  326.251491]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.255747]  call_timer_fn+0x272/0x920
[  326.259660]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.263904]  ? process_timeout+0x40/0x40
[  326.267980]  ? __run_timers+0x7da/0xc70
[  326.271960]  ? _raw_spin_unlock_irq+0x27/0x80
[  326.276466]  ? _raw_spin_unlock_irq+0x27/0x80
[  326.280962]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.285211]  ? lockdep_hardirqs_on+0x296/0x5b0
[  326.289798]  ? trace_hardirqs_on+0xbd/0x310
[  326.294121]  ? kasan_check_read+0x11/0x20
[  326.298514]  ? __run_timers+0x7da/0xc70
[  326.302496]  ? trace_hardirqs_off_caller+0x310/0x310
[  326.307609]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.311850]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  326.316095]  __run_timers+0x7e5/0xc70
[  326.319911]  ? timer_fixup_init+0x70/0x70
[  326.324065]  ? kasan_check_read+0x11/0x20
[  326.328230]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.333510]  ? rcu_softirq_qs+0x20/0x20
[  326.337509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.343051]  ? check_preemption_disabled+0x48/0x280
[  326.348078]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  326.352844]  ? retint_kernel+0x2d/0x2d
[  326.356734]  ? trace_hardirqs_on_caller+0xc0/0x310
[  326.361671]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  326.366436]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  326.371896]  ? zap_class+0x640/0x640
[  326.375622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.381165]  ? check_preemption_disabled+0x48/0x280
[  326.386212]  ? __lock_is_held+0xb5/0x140
[  326.390284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.395824]  ? check_preemption_disabled+0x48/0x280
[  326.400848]  run_timer_softirq+0x52/0xb0
[  326.404914]  ? rcu_read_lock_sched_held+0x14f/0x180
[  326.409939]  __do_softirq+0x308/0xb7e
[  326.413746]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  326.418242]  ? lock_downgrade+0x900/0x900
[  326.422400]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  326.427518]  ? pvclock_read_flags+0x160/0x160
[  326.432475]  ? lapic_next_event+0x5a/0x90
[  326.436633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.442195]  ? kvm_clock_read+0x18/0x30
[  326.446176]  ? kvm_sched_clock_read+0x9/0x20
[  326.450600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.456143]  ? check_preemption_disabled+0x48/0x280
[  326.461174]  irq_exit+0x17f/0x1c0
[  326.464643]  smp_apic_timer_interrupt+0x1cb/0x760
[  326.469488]  ? smp_call_function_single_interrupt+0x159/0x650
[  326.475379]  ? smp_call_function_single_interrupt+0x650/0x650
[  326.481268]  ? interrupt_entry+0xb5/0xc0
[  326.485338]  ? trace_hardirqs_off_caller+0xbb/0x310
[  326.490358]  ? trace_hardirqs_off_caller+0xbb/0x310
[  326.495379]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  326.500229]  ? trace_hardirqs_on_caller+0x310/0x310
[  326.505244]  ? trace_hardirqs_on_caller+0x310/0x310
[  326.510266]  ? task_prio+0x50/0x50
[  326.513810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.519353]  ? check_preemption_disabled+0x48/0x280
[  326.524384]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  326.529240]  apic_timer_interrupt+0xf/0x20
[  326.533476]  </IRQ>
[  326.535716] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  326.540648] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  326.559564] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  326.567280] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  326.574551] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  326.581819] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  326.589088] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  326.596359] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  326.603676]  skb_clone+0x1bb/0x500
[  326.607223]  ? skb_split+0x11e0/0x11e0
[  326.611131]  ? check_preemption_disabled+0x48/0x280
[  326.616157]  ? __this_cpu_preempt_check+0x1c/0x20
[  326.621009]  ? __bpf_redirect+0x54b/0xb20
[  326.625174]  bpf_clone_redirect+0xb9/0x490
[  326.629428]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  326.634463]  ? __sched_text_start+0x8/0x8
[  326.638618]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  326.643383]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  326.647970]  ? retint_kernel+0x2d/0x2d
[  326.651894]  ? find_held_lock+0x36/0x1c0
[  326.655967]  ? lock_acquire+0x1ed/0x520
[  326.659947]  ? bpf_test_run+0x3cb/0x780
[  326.663925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  326.669473]  ? check_preemption_disabled+0x48/0x280
[  326.674504]  ? kasan_check_read+0x11/0x20
[  326.678659]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  326.683941]  ? rcu_softirq_qs+0x20/0x20
[  326.687918]  ? preempt_schedule+0x4d/0x60
[  326.692072]  ? ___preempt_schedule+0x16/0x18
[  326.696505]  ? bpf_test_run+0x25d/0x780
[  326.700496]  ? netlink_diag_dump+0x2a0/0x2a0
[  326.704920]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  326.710470]  ? bpf_test_init.isra.10+0x70/0x100
[  326.715149]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  326.719917]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  326.724767]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  326.730314]  ? fput+0x130/0x1a0
[  326.733602]  ? __bpf_prog_get+0x9b/0x290
[  326.737670]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  326.742514]  ? bpf_prog_test_run+0x130/0x1a0
[  326.746934]  ? __x64_sys_bpf+0x3d8/0x520
[  326.751004]  ? bpf_prog_get+0x20/0x20
[  326.754829]  ? do_syscall_64+0x1b9/0x820
[  326.758901]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  326.764272]  ? syscall_return_slowpath+0x5e0/0x5e0
[  326.769215]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  326.774065]  ? trace_hardirqs_on_caller+0x310/0x310
[  326.779090]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  326.784113]  ? prepare_exit_to_usermode+0x291/0x3b0
[  326.789139]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  326.793994]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  326.799380] warn_alloc_show_mem: 1 callbacks suppressed
[  326.799393] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  326.799394] Mem-Info:
[  326.799425] active_anon:56297 inactive_anon:436 isolated_anon:0
[  326.799425]  active_file:15 inactive_file:14 isolated_file:0
[  326.799425]  unevictable:0 dirty:0 writeback:0 unstable:0
[  326.799425]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  326.799425]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  326.799425]  free:13786 free_pcp:429 free_cma:0
[  326.804761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  326.804769] Call Trace:
[  326.811451] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  326.813842]  <IRQ>
[  326.846821] Node 0 
[  326.856198]  dump_stack+0x244/0x39d
[  326.858779] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  326.886527]  ? dump_stack_print_info.cold.1+0x20/0x20
[  326.888652] lowmem_reserve[]:
[  326.890898]  warn_alloc.cold.117+0xb7/0x1bd
[  326.894503]  0
[  326.920017]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  326.925183]  2818
[  326.928297]  ? lock_downgrade+0x900/0x900
[  326.932581]  6321 6321
[  326.934427]  ? trace_hardirqs_off+0xb8/0x310
[  326.939235] Node 0 
[  326.941304]  ? trace_hardirqs_off+0xb8/0x310
[  326.945450] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  326.947922]  __alloc_pages_slowpath+0x2660/0x2d70
[  326.952289] lowmem_reserve[]: 0
[  326.954564]  ? warn_alloc+0x120/0x120
[  326.958913]  0 3503
[  326.985656]  ? warn_alloc+0x120/0x120
[  326.990478]  3503
[  326.993761]  ? print_usage_bug+0xc0/0xc0
[  326.999766]  ? warn_alloc+0x120/0x120
[  327.003542] Node 0 
[  327.005602]  ? print_usage_bug+0xc0/0xc0
[  327.009678] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  327.013452]  ? __lock_acquire+0x62f/0x4c20
[  327.015663] lowmem_reserve[]:
[  327.019725]  ? __lock_acquire+0x62f/0x4c20
[  327.048175]  0 0
[  327.052442]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  327.055511]  0 0
[  327.059750]  ? should_fail+0x22d/0xd01
[  327.067233]  ? __lock_acquire+0x62f/0x4c20
[  327.069181] Node 0 
[  327.073071]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  327.077280] DMA: 1*4kB 
[  327.079520]  ? __lock_acquire+0x62f/0x4c20
[  327.084591] (U) 0*8kB 
[  327.087217]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  327.091417] 0*16kB 1*32kB 
[  327.093919]  ? __lock_acquire+0x62f/0x4c20
[  327.098993] (U) 2*64kB 
[  327.101843]  ? should_fail+0x22d/0xd01
[  327.106050] (U) 1*128kB 
[  327.108650]  ? mark_held_locks+0x130/0x130
[  327.112499] (U) 
[  327.115171]  ? mark_held_locks+0x130/0x130
[  327.119375] 1*256kB (U) 
[  327.121366]  ? zap_class+0x640/0x640
[  327.125568] 0*512kB 
[  327.128235]  ? print_usage_bug+0xc0/0xc0
[  327.131927] 1*1024kB 
[  327.134245]  ? __lock_acquire+0x62f/0x4c20
[  327.138283] (U) 
[  327.140713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.144920] 1*2048kB 
[  327.146893]  ? check_preemption_disabled+0x48/0x280
[  327.152417] (M) 
[  327.154843]  ? __lock_is_held+0xb5/0x140
[  327.159830] 3*4096kB 
[  327.161804]  __alloc_pages_nodemask+0xa80/0xde0
[  327.165839] (M) 
[  327.168242]  ? zap_class+0x640/0x640
[  327.172886] = 15908kB
[  327.174858]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  327.178547] Node 0 
[  327.180970]  ? find_held_lock+0x36/0x1c0
[  327.185947] DMA32: 
[  327.188197]  ? ____cache_alloc_node+0x1c7/0x1e0
[  327.192225] 5*4kB 
[  327.194454]  ? lock_downgrade+0x900/0x900
[  327.199102] (UM) 
[  327.201252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.205369] 1*8kB 
[  327.207431]  cache_grow_begin+0xa5/0x8c0
[  327.212943] (U) 
[  327.215090]  ? do_raw_spin_unlock+0xa7/0x330
[  327.219127] 2*16kB 
[  327.221102]  fallback_alloc+0x204/0x2e0
[  327.225481] (M) 
[  327.227720]  ____cache_alloc_node+0x1c7/0x1e0
[  327.231665] 1*32kB 
[  327.233637]  kmem_cache_alloc_node+0xe3/0x730
[  327.238107] (M) 
[  327.240339]  ? ipv6_get_ifaddr+0x42e/0x620
[  327.244812] 3*64kB 
[  327.246789]  __alloc_skb+0x119/0x770
[  327.251008] (M) 
[  327.253245]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  327.256967] 5*128kB 
[  327.258933]  ? netdev_alloc_frag+0x1f0/0x1f0
[  327.264182] (UM) 
[  327.266512]  ? lock_downgrade+0x900/0x900
[  327.270898] 3*256kB 
[  327.272964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.277080] (M) 
[  327.279407]  ? refcount_sub_and_test_checked+0x203/0x310
[  327.284917] 4*512kB 
[  327.286887]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  327.292312] (UM) 
[  327.294628]  ? addrconf_rs_timer+0x690/0x690
[  327.300238] 3*1024kB (UM) 
[  327.302321]  ndisc_alloc_skb+0x144/0x340
[  327.306695] 3*2048kB 
[  327.309534]  ndisc_send_rs+0x331/0x6e0
[  327.313569] (UM) 
[  327.315980]  addrconf_rs_timer+0x314/0x690
[  327.319841] 3*4096kB 
[  327.321896]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.327669] (M) 
[  327.330086]  call_timer_fn+0x272/0x920
[  327.334284] = 25244kB
[  327.336256]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.340118] Node 0 
[  327.342521]  ? process_timeout+0x40/0x40
[  327.346727] Normal: 
[  327.348968]  ? mark_held_locks+0xc7/0x130
[  327.352994] 719*4kB 
[  327.355313]  ? _raw_spin_unlock_irq+0x27/0x80
[  327.359436] (UMEH) 
[  327.361755]  ? _raw_spin_unlock_irq+0x27/0x80
[  327.366224] 258*8kB 
[  327.368452]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.372927] (UME) 
[  327.375248]  ? lockdep_hardirqs_on+0x296/0x5b0
[  327.379458] 197*16kB (UME) 
[  327.381611]  ? trace_hardirqs_on+0xbd/0x310
[  327.386167] 98*32kB 
[  327.389099]  ? kasan_check_read+0x11/0x20
[  327.393391] (UME) 
[  327.395709]  ? __run_timers+0x7da/0xc70
[  327.399831] 44*64kB 
[  327.401978]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.405932] (UM) 
[  327.408261]  ? __queue_work+0x1440/0x1440
[  327.413342] 0*128kB 
[  327.415405]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  327.419524] 0*256kB 
[  327.421843]  __run_timers+0x7e5/0xc70
[  327.426048] 0*512kB 
[  327.428379]  ? timer_fixup_init+0x70/0x70
[  327.432146] 0*1024kB 
[  327.434464]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  327.434481]  ? zap_class+0x640/0x640
[  327.438602] 0*2048kB 0*4096kB 
[  327.441020]  ? print_usage_bug+0xc0/0xc0
[  327.446013] = 14044kB
[  327.449716]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  327.452891] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  327.456942]  ? find_held_lock+0x36/0x1c0
[  327.459336] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  327.464517]  ? zap_class+0x640/0x640
[  327.473326] 4793 total pagecache pages
[  327.477380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.485933] 0 pages in swap cache
[  327.489643]  ? check_preemption_disabled+0x48/0x280
[  327.493506] Swap cache stats: add 0, delete 0, find 0/0
[  327.499039]  ? __lock_is_held+0xb5/0x140
[  327.502465] Free swap  = 0kB
[  327.507474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.512813] Total swap = 0kB
[  327.516877]  ? check_preemption_disabled+0x48/0x280
[  327.519869] 1965979 pages RAM
[  327.525401]  run_timer_softirq+0x52/0xb0
[  327.528387] 0 pages HighMem/MovableOnly
[  327.528396] 342867 pages reserved
[  327.533423]  ? rcu_read_lock_sched_held+0x14f/0x180
[  327.536506] 0 pages cma reserved
[  327.540574]  __do_softirq+0x308/0xb7e
[  327.544601] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  327.547979]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  327.547992]  ? lock_downgrade+0x900/0x900
[  327.548008]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  327.553064] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  327.556377]  ? pvclock_read_flags+0x160/0x160
[  327.560152] syz-executor4 cpuset=
[  327.566639]  ? lapic_next_event+0x5a/0x90
[  327.571103] syz4
[  327.575274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.580349]  mems_allowed=0
[  327.590826]  ? kvm_clock_read+0x18/0x30
[  327.617231]  ? kvm_sched_clock_read+0x9/0x20
[  327.621645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.627196]  ? check_preemption_disabled+0x48/0x280
[  327.632230]  irq_exit+0x17f/0x1c0
[  327.635691]  smp_apic_timer_interrupt+0x1cb/0x760
[  327.640533]  ? smp_reschedule_interrupt+0x109/0x650
[  327.645551]  ? smp_call_function_single_interrupt+0x650/0x650
[  327.651453]  ? interrupt_entry+0xb5/0xc0
[  327.655531]  ? trace_hardirqs_off_caller+0xbb/0x310
[  327.660545]  ? trace_hardirqs_off_caller+0xbb/0x310
[  327.665564]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  327.670411]  ? trace_hardirqs_on_caller+0x310/0x310
[  327.675431]  ? trace_hardirqs_on_caller+0x310/0x310
[  327.680449]  ? task_prio+0x50/0x50
[  327.683992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.689532]  ? check_preemption_disabled+0x48/0x280
[  327.694555]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  327.699414]  apic_timer_interrupt+0xf/0x20
[  327.703645]  </IRQ>
[  327.705882] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  327.711072] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  327.729974] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  327.737684] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  327.744953] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  327.752219] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  327.759485] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  327.766754] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  327.774061]  retint_kernel+0x1b/0x2d
[  327.777775] RIP: 0010:dump_stack+0x358/0x39d
[  327.782194] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  327.801094] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  327.808802] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  327.816068] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  327.823337] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  327.830605] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  327.837869] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  327.845163]  ? dump_stack+0x34f/0x39d
[  327.848990]  ? dump_stack_print_info.cold.1+0x20/0x20
[  327.854209]  dump_header+0x27b/0xf72
[  327.857938]  ? mark_held_locks+0x130/0x130
[  327.862180]  ? pagefault_out_of_memory+0x197/0x197
[  327.867162]  ? __lock_acquire+0x62f/0x4c20
[  327.871404]  ? zap_class+0x640/0x640
[  327.875120]  ? percpu_ref_get_many+0x240/0x240
[  327.879707]  ? print_usage_bug+0xc0/0xc0
[  327.883771]  ? print_usage_bug+0xc0/0xc0
[  327.887841]  ? zap_class+0x640/0x640
[  327.891557]  ? print_usage_bug+0xc0/0xc0
[  327.895618]  ? print_usage_bug+0xc0/0xc0
[  327.899690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  327.905234]  ? find_held_lock+0x36/0x1c0
[  327.909309]  ? mark_held_locks+0xc7/0x130
[  327.913464]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  327.918568]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  327.923674]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  327.928257]  ? trace_hardirqs_on+0xbd/0x310
[  327.932584]  ? kasan_check_read+0x11/0x20
[  327.936729]  ? ___ratelimit+0x3b4/0x672
[  327.940706]  ? trace_hardirqs_off_caller+0x310/0x310
[  327.945813]  ? trace_hardirqs_on+0x310/0x310
[  327.950224]  ? lock_downgrade+0x900/0x900
[  327.954382]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  327.959485]  ? ___ratelimit+0x3b9/0x672
[  327.963462]  ? idr_get_free+0xec0/0xec0
[  327.967440]  ? find_held_lock+0x36/0x1c0
[  327.971510]  oom_kill_process.cold.27+0x10/0x903
[  327.976266]  ? zap_class+0x640/0x640
[  327.979981]  ? check_preemption_disabled+0x48/0x280
[  327.985007]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  327.989936]  ? kasan_check_read+0x11/0x20
[  327.994089]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  327.999369]  ? oom_evaluate_task+0x540/0x540
[  328.003783]  ? find_held_lock+0x36/0x1c0
[  328.007852]  ? out_of_memory+0x974/0x1430
[  328.012006]  ? lock_downgrade+0x900/0x900
[  328.016157]  ? check_preemption_disabled+0x48/0x280
[  328.021196]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  328.026128]  ? kasan_check_read+0x11/0x20
[  328.030283]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.035561]  ? rcu_softirq_qs+0x20/0x20
[  328.039544]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.045081]  ? oom_evaluate_task+0x302/0x540
[  328.049498]  out_of_memory+0xa84/0x1430
[  328.053486]  ? oom_killer_disable+0x3a0/0x3a0
[  328.057989]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  328.062922]  ? __mutex_add_waiter+0x2a0/0x2a0
[  328.067468]  __alloc_pages_slowpath+0x22d4/0x2d70
[  328.072358]  ? warn_alloc+0x120/0x120
[  328.076160]  ? rcu_softirq_qs+0x20/0x20
[  328.080173]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.085720]  ? should_fail+0x22d/0xd01
[  328.089611]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.094764]  ? zap_class+0x640/0x640
[  328.098507]  ? __lock_is_held+0xb5/0x140
[  328.102583]  ? mark_held_locks+0x130/0x130
[  328.106824]  ? lock_release+0xa00/0xa00
[  328.110803]  ? perf_trace_sched_process_exec+0x860/0x860
[  328.116264]  ? __might_sleep+0x95/0x190
[  328.120244]  __alloc_pages_nodemask+0xa80/0xde0
[  328.124921]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  328.129954]  ? __page_cache_alloc+0x191/0x5c0
[  328.134452]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  328.139383]  ? kasan_check_read+0x11/0x20
[  328.143536]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.148816]  ? zap_class+0x640/0x640
[  328.152540]  ? zap_class+0x640/0x640
[  328.156257]  ? zap_class+0x640/0x640
[  328.159973]  ? __do_page_cache_readahead+0x7ce/0x980
[  328.165140]  ? find_held_lock+0x36/0x1c0
[  328.169218]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  328.174764]  alloc_pages_current+0x173/0x350
[  328.179183]  __page_cache_alloc+0x38c/0x5c0
[  328.183523]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  328.188450]  ? kasan_check_read+0x11/0x20
[  328.192599]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.197881]  ? generic_perform_write+0x6a0/0x6a0
[  328.202654]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.208204]  ? check_preemption_disabled+0x48/0x280
[  328.213237]  filemap_fault+0x1594/0x25f0
[  328.217316]  ? __lock_page_or_retry+0xa00/0xa00
[  328.221987]  ? mark_held_locks+0x130/0x130
[  328.226224]  ? rcu_softirq_qs+0x20/0x20
[  328.230223]  ? filemap_map_pages+0xe04/0x1990
[  328.234735]  ? __free_object+0x173/0x340
[  328.238800]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  328.243730]  ? trace_hardirqs_off_caller+0x310/0x310
[  328.248838]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  328.253523]  ? debug_object_free+0x32d/0x690
[  328.257938]  ? kasan_check_read+0x11/0x20
[  328.262095]  ? debug_object_destroy+0x2b0/0x2b0
[  328.266768]  ? lock_pi_update_atomic+0x150/0x150
[  328.271527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.277078]  ? __hrtimer_init+0xdb/0x240
[  328.281157]  ? lock_acquire+0x1ed/0x520
[  328.285138]  ? ext4_filemap_fault+0x7a/0xad
[  328.289465]  ? lock_release+0xa00/0xa00
[  328.293455]  ? perf_trace_sched_process_exec+0x860/0x860
[  328.298910]  ? print_usage_bug+0xc0/0xc0
[  328.302978]  ? print_usage_bug+0xc0/0xc0
[  328.307050]  ? down_read+0x8d/0x120
[  328.310674]  ? ext4_filemap_fault+0x7a/0xad
[  328.315000]  ? __down_interruptible+0x700/0x700
[  328.319684]  ext4_filemap_fault+0x82/0xad
[  328.323839]  __do_fault+0x100/0x6b0
[  328.327463]  ? find_held_lock+0x36/0x1c0
[  328.331560]  ? pmd_devmap_trans_unstable+0x220/0x220
[  328.336665]  ? mark_held_locks+0x130/0x130
[  328.340905]  ? mark_held_locks+0x130/0x130
[  328.345150]  ? kasan_check_read+0x11/0x20
[  328.349306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.354849]  __handle_mm_fault+0x307c/0x5920
[  328.359254]  ? perf_trace_lock+0x7a0/0x7a0
[  328.363503]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  328.368356]  ? __switch_to_asm+0x34/0x70
[  328.372418]  ? __switch_to_asm+0x34/0x70
[  328.376496]  ? zap_class+0x640/0x640
[  328.380220]  ? zap_class+0x640/0x640
[  328.383933]  ? __x64_sys_futex+0x53e/0x6a0
[  328.388217]  ? find_held_lock+0x36/0x1c0
[  328.392289]  ? handle_mm_fault+0x42a/0xc70
[  328.396526]  ? lock_downgrade+0x900/0x900
[  328.400681]  ? check_preemption_disabled+0x48/0x280
[  328.405708]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  328.410641]  ? kasan_check_read+0x11/0x20
[  328.414808]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.420088]  ? rcu_softirq_qs+0x20/0x20
[  328.424062]  ? trace_hardirqs_off_caller+0x310/0x310
[  328.429170]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.435232]  ? check_preemption_disabled+0x48/0x280
[  328.440258]  handle_mm_fault+0x54f/0xc70
[  328.444345]  ? __handle_mm_fault+0x5920/0x5920
[  328.448935]  ? find_vma+0x34/0x190
[  328.452485]  __do_page_fault+0x5e8/0xe60
[  328.456548]  ? trace_hardirqs_off+0xb8/0x310
[  328.460976]  do_page_fault+0xf2/0x7e0
[  328.464780]  ? vmalloc_sync_all+0x30/0x30
[  328.468935]  ? error_entry+0x70/0xd0
[  328.472654]  ? trace_hardirqs_off_caller+0xbb/0x310
[  328.477667]  ? trace_hardirqs_on_caller+0xc0/0x310
[  328.482597]  ? syscall_return_slowpath+0x5e0/0x5e0
[  328.487525]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.492373]  ? trace_hardirqs_on_caller+0x310/0x310
[  328.497392]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  328.502846]  ? prepare_exit_to_usermode+0x291/0x3b0
[  328.507868]  ? page_fault+0x8/0x30
[  328.511413]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  328.516264]  ? page_fault+0x8/0x30
[  328.519814]  page_fault+0x1e/0x30
[  328.523273] RIP: 0033:0x40f9c0
[  328.526482] Code: Bad RIP value.
[  328.529841] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  328.535213] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  328.542483] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  328.549748] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  328.557024] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  328.564293] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  328.571596] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  328.571660] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  328.578612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  328.578617] Call Trace:
[  328.578624]  <IRQ>
[  328.578645]  dump_stack+0x244/0x39d
[  328.578662]  ? dump_stack_print_info.cold.1+0x20/0x20
[  328.578689]  warn_alloc.cold.117+0xb7/0x1bd
[  328.585222] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  328.594508]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  328.597069] syz-fuzzer cpuset=
[  328.599224]  ? lock_downgrade+0x900/0x900
[  328.602869] /
[  328.608059]  ? trace_hardirqs_off+0xb8/0x310
[  328.612361]  mems_allowed=0
[  328.622606]  ? trace_hardirqs_off+0xb8/0x310
[  328.648155]  __alloc_pages_slowpath+0x2660/0x2d70
[  328.653039]  ? warn_alloc+0x120/0x120
[  328.656850]  ? warn_alloc+0x120/0x120
[  328.660656]  ? print_usage_bug+0xc0/0xc0
[  328.664718]  ? warn_alloc+0x120/0x120
[  328.668520]  ? print_usage_bug+0xc0/0xc0
[  328.672581]  ? __lock_acquire+0x62f/0x4c20
[  328.676821]  ? __lock_acquire+0x62f/0x4c20
[  328.681063]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  328.686598]  ? should_fail+0x22d/0xd01
[  328.690493]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.695595]  ? __lock_acquire+0x62f/0x4c20
[  328.699834]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  328.704940]  ? __lock_acquire+0x62f/0x4c20
[  328.709184]  ? should_fail+0x22d/0xd01
[  328.713081]  ? find_held_lock+0x36/0x1c0
[  328.717151]  ? mark_held_locks+0x130/0x130
[  328.721390]  ? mark_held_locks+0x130/0x130
[  328.725622]  ? zap_class+0x640/0x640
[  328.729336]  ? zap_class+0x640/0x640
[  328.733054]  ? print_usage_bug+0xc0/0xc0
[  328.737121]  ? do_raw_spin_unlock+0xa7/0x330
[  328.741527]  ? zap_class+0x640/0x640
[  328.745244]  ? print_usage_bug+0xc0/0xc0
[  328.749306]  ? wq_watchdog_touch+0x9c/0xfe
[  328.753544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.759085]  ? check_preemption_disabled+0x48/0x280
[  328.764114]  ? __lock_is_held+0xb5/0x140
[  328.768192]  __alloc_pages_nodemask+0xa80/0xde0
[  328.772863]  ? zap_class+0x640/0x640
[  328.776581]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  328.781613]  ? find_held_lock+0x36/0x1c0
[  328.785684]  ? ____cache_alloc_node+0x1c7/0x1e0
[  328.790360]  ? lock_downgrade+0x900/0x900
[  328.794520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.800062]  cache_grow_begin+0xa5/0x8c0
[  328.804124]  ? do_raw_spin_unlock+0xa7/0x330
[  328.808546]  fallback_alloc+0x204/0x2e0
[  328.812526]  ____cache_alloc_node+0x1c7/0x1e0
[  328.817030]  kmem_cache_alloc_node+0xe3/0x730
[  328.821525]  ? ipv6_get_ifaddr+0x42e/0x620
[  328.825774]  __alloc_skb+0x119/0x770
[  328.829489]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.834768]  ? netdev_alloc_frag+0x1f0/0x1f0
[  328.839179]  ? lock_downgrade+0x900/0x900
[  328.843345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.848886]  ? refcount_sub_and_test_checked+0x203/0x310
[  328.854342]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  328.859794]  ? addrconf_rs_timer+0x690/0x690
[  328.864222]  ndisc_alloc_skb+0x144/0x340
[  328.868288]  ndisc_send_rs+0x331/0x6e0
[  328.872180]  addrconf_rs_timer+0x314/0x690
[  328.876432]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.880690]  call_timer_fn+0x272/0x920
[  328.884576]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.888814]  ? process_timeout+0x40/0x40
[  328.892890]  ? __run_timers+0x7da/0xc70
[  328.896868]  ? _raw_spin_unlock_irq+0x27/0x80
[  328.901361]  ? _raw_spin_unlock_irq+0x27/0x80
[  328.905857]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.910111]  ? lockdep_hardirqs_on+0x296/0x5b0
[  328.914695]  ? trace_hardirqs_on+0xbd/0x310
[  328.919016]  ? kasan_check_read+0x11/0x20
[  328.923167]  ? __run_timers+0x7da/0xc70
[  328.927151]  ? trace_hardirqs_off_caller+0x310/0x310
[  328.932257]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.936500]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  328.940739]  __run_timers+0x7e5/0xc70
[  328.944553]  ? timer_fixup_init+0x70/0x70
[  328.948701]  ? kasan_check_read+0x11/0x20
[  328.952850]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  328.958126]  ? rcu_softirq_qs+0x20/0x20
[  328.962127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  328.967666]  ? check_preemption_disabled+0x48/0x280
[  328.972694]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  328.977460]  ? retint_kernel+0x2d/0x2d
[  328.981350]  ? trace_hardirqs_on_caller+0xc0/0x310
[  328.986280]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  328.991037]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  328.996491]  ? zap_class+0x640/0x640
[  329.000220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.005761]  ? check_preemption_disabled+0x48/0x280
[  329.010786]  ? __lock_is_held+0xb5/0x140
[  329.014851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.020388]  ? check_preemption_disabled+0x48/0x280
[  329.025412]  run_timer_softirq+0x52/0xb0
[  329.029478]  ? rcu_read_lock_sched_held+0x14f/0x180
[  329.034495]  __do_softirq+0x308/0xb7e
[  329.038301]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  329.042793]  ? lock_downgrade+0x900/0x900
[  329.046946]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  329.052062]  ? pvclock_read_flags+0x160/0x160
[  329.056559]  ? lapic_next_event+0x5a/0x90
[  329.060714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.066260]  ? kvm_clock_read+0x18/0x30
[  329.070238]  ? kvm_sched_clock_read+0x9/0x20
[  329.074653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.080196]  ? check_preemption_disabled+0x48/0x280
[  329.085231]  irq_exit+0x17f/0x1c0
[  329.088689]  smp_apic_timer_interrupt+0x1cb/0x760
[  329.093530]  ? smp_call_function_single_interrupt+0x159/0x650
[  329.099420]  ? smp_call_function_single_interrupt+0x650/0x650
[  329.105314]  ? interrupt_entry+0xb5/0xc0
[  329.109378]  ? trace_hardirqs_off_caller+0xbb/0x310
[  329.114393]  ? trace_hardirqs_off_caller+0xbb/0x310
[  329.119412]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.124260]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.129277]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.134297]  ? task_prio+0x50/0x50
[  329.137843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.143381]  ? check_preemption_disabled+0x48/0x280
[  329.148406]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.153263]  apic_timer_interrupt+0xf/0x20
[  329.157500]  </IRQ>
[  329.159740] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  329.164674] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  329.183577] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  329.191290] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  329.198555] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  329.205822] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  329.213092] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  329.220361] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  329.227672]  skb_clone+0x1bb/0x500
[  329.231225]  ? skb_split+0x11e0/0x11e0
[  329.235115]  ? check_preemption_disabled+0x48/0x280
[  329.240135]  ? __this_cpu_preempt_check+0x1c/0x20
[  329.244981]  ? __bpf_redirect+0x54b/0xb20
[  329.249140]  bpf_clone_redirect+0xb9/0x490
[  329.253389]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  329.258416]  ? __sched_text_start+0x8/0x8
[  329.262575]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  329.267337]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  329.271924]  ? retint_kernel+0x2d/0x2d
[  329.275821]  ? find_held_lock+0x36/0x1c0
[  329.279891]  ? lock_acquire+0x1ed/0x520
[  329.283868]  ? bpf_test_run+0x3cb/0x780
[  329.287846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.293385]  ? check_preemption_disabled+0x48/0x280
[  329.298877]  ? kasan_check_read+0x11/0x20
[  329.303033]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.308316]  ? rcu_softirq_qs+0x20/0x20
[  329.312292]  ? preempt_schedule+0x4d/0x60
[  329.316446]  ? ___preempt_schedule+0x16/0x18
[  329.320873]  ? bpf_test_run+0x25d/0x780
[  329.324859]  ? netlink_diag_dump+0x2a0/0x2a0
[  329.329272]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.334810]  ? bpf_test_init.isra.10+0x70/0x100
[  329.339484]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  329.344252]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  329.349096]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  329.354639]  ? fput+0x130/0x1a0
[  329.357920]  ? __bpf_prog_get+0x9b/0x290
[  329.361986]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  329.366828]  ? bpf_prog_test_run+0x130/0x1a0
[  329.371241]  ? __x64_sys_bpf+0x3d8/0x520
[  329.375306]  ? bpf_prog_get+0x20/0x20
[  329.379130]  ? do_syscall_64+0x1b9/0x820
[  329.383199]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  329.388570]  ? syscall_return_slowpath+0x5e0/0x5e0
[  329.393503]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.398355]  ? trace_hardirqs_on_caller+0x310/0x310
[  329.403377]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  329.408397]  ? prepare_exit_to_usermode+0x291/0x3b0
[  329.413425]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  329.418286]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  329.423669] warn_alloc_show_mem: 1 callbacks suppressed
[  329.423681] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  329.423683] Mem-Info:
[  329.423715] active_anon:56297 inactive_anon:436 isolated_anon:0
[  329.423715]  active_file:15 inactive_file:14 isolated_file:0
[  329.423715]  unevictable:0 dirty:0 writeback:0 unstable:0
[  329.423715]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  329.423715]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  329.423715]  free:13786 free_pcp:429 free_cma:0
[  329.429053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  329.435725] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  329.438126] Call Trace:
[  329.471104] Node 0 
[  329.480457]  <IRQ>
[  329.508235] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  329.510796]  dump_stack+0x244/0x39d
[  329.512995] lowmem_reserve[]: 0
[  329.515149]  ? dump_stack_print_info.cold.1+0x20/0x20
[  329.540619]  2818 6321
[  329.544268]  warn_alloc.cold.117+0xb7/0x1bd
[  329.547509]  6321
[  329.552693]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  329.559488]  ? lock_downgrade+0x900/0x900
[  329.561526] Node 0 
[  329.566364]  ? trace_hardirqs_off+0xb8/0x310
[  329.570509] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  329.572721]  ? trace_hardirqs_off+0xb8/0x310
[  329.577100] lowmem_reserve[]:
[  329.603829]  __alloc_pages_slowpath+0x2660/0x2d70
[  329.608215]  0
[  329.611340]  ? warn_alloc+0x120/0x120
[  329.616135]  0
[  329.617932]  ? warn_alloc+0x120/0x120
[  329.621702]  3503
[  329.623501]  ? print_usage_bug+0xc0/0xc0
[  329.627275]  3503
[  329.629331]  ? warn_alloc+0x120/0x120
[  329.635427]  ? print_usage_bug+0xc0/0xc0
[  329.639212] Node 0 
[  329.643265]  ? __lock_acquire+0x62f/0x4c20
[  329.643297] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  329.643304] lowmem_reserve[]:
[  329.645538]  ? __lock_acquire+0x62f/0x4c20
[  329.649744]  0 0
[  329.678228]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  329.681306]  0
[  329.685532]  ? should_fail+0x22d/0xd01
[  329.687485]  0
[  329.693015]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  329.694797] Node 0 
[  329.698681]  ? __lock_acquire+0x62f/0x4c20
[  329.700457] DMA: 1*4kB 
[  329.705565]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  329.707789] (U) 
[  329.712021]  ? __lock_acquire+0x62f/0x4c20
[  329.714581] 0*8kB 
[  329.719677]  ? should_fail+0x22d/0xd01
[  329.721630] 0*16kB 
[  329.725857]  ? find_held_lock+0x36/0x1c0
[  329.727985] 1*32kB 
[  329.731867]  ? mark_held_locks+0x130/0x130
[  329.734072] (U) 
[  329.738126]  ? mark_held_locks+0x130/0x130
[  329.740341] 2*64kB 
[  329.744565]  ? zap_class+0x640/0x640
[  329.746516] (U) 
[  329.750745]  ? zap_class+0x640/0x640
[  329.752964] 1*128kB 
[  329.756672]  ? print_usage_bug+0xc0/0xc0
[  329.758623] (U) 
[  329.762335]  ? do_raw_spin_unlock+0xa7/0x330
[  329.764633] 1*256kB 
[  329.768689]  ? zap_class+0x640/0x640
[  329.770639] (U) 
[  329.775043]  ? print_usage_bug+0xc0/0xc0
[  329.777348] 0*512kB 
[  329.781059]  ? wq_watchdog_touch+0x9c/0xfe
[  329.783009] 1*1024kB 
[  329.787066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.789368] (U) 
[  329.793601]  ? check_preemption_disabled+0x48/0x280
[  329.795989] 1*2048kB 
[  329.801538]  ? __lock_is_held+0xb5/0x140
[  329.803484] (M) 
[  329.808497]  __alloc_pages_nodemask+0xa80/0xde0
[  329.810878] 3*4096kB 
[  329.814934]  ? zap_class+0x640/0x640
[  329.816888] (M) 
[  329.821552]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  329.823940] = 15908kB
[  329.827678]  ? find_held_lock+0x36/0x1c0
[  329.829621] Node 0 
[  329.834638]  ? ____cache_alloc_node+0x1c7/0x1e0
[  329.837018] DMA32: 
[  329.841071]  ? lock_downgrade+0x900/0x900
[  329.843282] 5*4kB 
[  329.847946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.850157] (UM) 
[  329.854302]  cache_grow_begin+0xa5/0x8c0
[  329.856423] 1*8kB 
[  329.861953]  ? do_raw_spin_unlock+0xa7/0x330
[  329.863988] (U) 
[  329.868050]  fallback_alloc+0x204/0x2e0
[  329.870172] 2*16kB 
[  329.874586]  ____cache_alloc_node+0x1c7/0x1e0
[  329.876537] (M) 
[  329.880508]  kmem_cache_alloc_node+0xe3/0x730
[  329.882721] 1*32kB 
[  329.887218]  ? ipv6_get_ifaddr+0x42e/0x620
[  329.889166] (M) 
[  329.893666]  __alloc_skb+0x119/0x770
[  329.895876] 3*64kB 
[  329.900108]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  329.902055] (M) 
[  329.905767]  ? netdev_alloc_frag+0x1f0/0x1f0
[  329.907981] 5*128kB 
[  329.913261]  ? lock_downgrade+0x900/0x900
[  329.915217] (UM) 
[  329.919622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  329.921916] 3*256kB 
[  329.926062]  ? refcount_sub_and_test_checked+0x203/0x310
[  329.928098] (M) 
[  329.933638]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  329.935935] 4*512kB 
[  329.941385]  ? addrconf_rs_timer+0x690/0x690
[  329.943342] (UM) 
[  329.948796]  ndisc_alloc_skb+0x144/0x340
[  329.951090] 3*1024kB 
[  329.955494]  ndisc_send_rs+0x331/0x6e0
[  329.957533] (UM) 
[  329.961590]  addrconf_rs_timer+0x314/0x690
[  329.963973] 3*2048kB 
[  329.967853]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.969895] (UM) 
[  329.974133]  call_timer_fn+0x272/0x920
[  329.976507] 3*4096kB 
[  329.980750]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  329.982788] (M) 
[  329.986672]  ? process_timeout+0x40/0x40
[  329.989055] = 25244kB
[  329.993287]  ? mark_held_locks+0xc7/0x130
[  329.995236] Node 0 
[  329.999289]  ? _raw_spin_unlock_irq+0x27/0x80
[  330.001672] Normal: 
[  330.005815]  ? _raw_spin_unlock_irq+0x27/0x80
[  330.008027] 719*4kB 
[  330.012511]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.014809] (UMEH) 
[  330.019299]  ? lockdep_hardirqs_on+0x296/0x5b0
[  330.021599] 258*8kB 
[  330.025828]  ? trace_hardirqs_on+0xbd/0x310
[  330.028037] (UME) 
[  330.032616]  ? kasan_check_read+0x11/0x20
[  330.034911] 197*16kB 
[  330.039231]  ? __run_timers+0x7da/0xc70
[  330.041353] (UME) 
[  330.045495]  ? trace_hardirqs_off_caller+0x310/0x310
[  330.047886] 98*32kB 
[  330.051856]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.053978] (UME) 
[  330.059090]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.061393] 44*64kB 
[  330.065619]  __run_timers+0x7e5/0xc70
[  330.067749] (UM) 
[  330.071987]  ? timer_fixup_init+0x70/0x70
[  330.074282] 0*128kB 
[  330.078074]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  330.080115] 0*256kB 
[  330.084258]  ? zap_class+0x640/0x640
[  330.086558] 0*512kB 
[  330.091566]  ? print_usage_bug+0xc0/0xc0
[  330.093867] 0*1024kB 
[  330.097570]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  330.099871] 0*2048kB 
[  330.103942]  ? find_held_lock+0x36/0x1c0
[  330.106326] 0*4096kB 
[  330.111508]  ? zap_class+0x640/0x640
[  330.113892] = 14044kB
[  330.117955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.120340] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  330.124043]  ? check_preemption_disabled+0x48/0x280
[  330.126434] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  330.131984]  ? __lock_is_held+0xb5/0x140
[  330.140789] 4793 total pagecache pages
[  330.145816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.154375] 0 pages in swap cache
[  330.158424]  ? check_preemption_disabled+0x48/0x280
[  330.162288] Swap cache stats: add 0, delete 0, find 0/0
[  330.167819]  run_timer_softirq+0x52/0xb0
[  330.171246] Free swap  = 0kB
[  330.176255]  ? rcu_read_lock_sched_held+0x14f/0x180
[  330.181587] Total swap = 0kB
[  330.181595] 1965979 pages RAM
[  330.185651]  __do_softirq+0x308/0xb7e
[  330.188644] 0 pages HighMem/MovableOnly
[  330.193651]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  330.196642] 342867 pages reserved
[  330.199741]  ? lock_downgrade+0x900/0x900
[  330.203530] 0 pages cma reserved
[  330.207498]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  330.212029] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  330.215415]  ? pvclock_read_flags+0x160/0x160
[  330.219622] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  330.222899]  ? lapic_next_event+0x5a/0x90
[  330.227980] syz-executor4 cpuset=
[  330.234470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.238940] syz4
[  330.249427]  ? kvm_clock_read+0x18/0x30
[  330.253548]  mems_allowed=0
[  330.256991]  ? kvm_sched_clock_read+0x9/0x20
[  330.275762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.281301]  ? check_preemption_disabled+0x48/0x280
[  330.286332]  irq_exit+0x17f/0x1c0
[  330.289789]  smp_apic_timer_interrupt+0x1cb/0x760
[  330.294631]  ? smp_reschedule_interrupt+0x109/0x650
[  330.299652]  ? smp_call_function_single_interrupt+0x650/0x650
[  330.305538]  ? interrupt_entry+0xb5/0xc0
[  330.309605]  ? trace_hardirqs_off_caller+0xbb/0x310
[  330.314619]  ? trace_hardirqs_off_caller+0xbb/0x310
[  330.319641]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.324485]  ? trace_hardirqs_on_caller+0x310/0x310
[  330.329499]  ? trace_hardirqs_on_caller+0x310/0x310
[  330.334516]  ? task_prio+0x50/0x50
[  330.338060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.343604]  ? check_preemption_disabled+0x48/0x280
[  330.348627]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.353485]  apic_timer_interrupt+0xf/0x20
[  330.357715]  </IRQ>
[  330.359960] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  330.365154] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  330.384059] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  330.391771] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  330.399034] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  330.406300] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  330.413570] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  330.420842] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  330.428149]  retint_kernel+0x1b/0x2d
[  330.432372] RIP: 0010:dump_stack+0x358/0x39d
[  330.436784] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  330.455680] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  330.463729] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  330.471000] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  330.478269] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  330.485533] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  330.492804] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  330.500098]  ? dump_stack+0x34f/0x39d
[  330.503912]  ? dump_stack_print_info.cold.1+0x20/0x20
[  330.509121]  dump_header+0x27b/0xf72
[  330.512850]  ? mark_held_locks+0x130/0x130
[  330.517087]  ? pagefault_out_of_memory+0x197/0x197
[  330.522025]  ? __lock_acquire+0x62f/0x4c20
[  330.526260]  ? zap_class+0x640/0x640
[  330.529983]  ? percpu_ref_get_many+0x240/0x240
[  330.534567]  ? print_usage_bug+0xc0/0xc0
[  330.538632]  ? print_usage_bug+0xc0/0xc0
[  330.542703]  ? zap_class+0x640/0x640
[  330.546424]  ? print_usage_bug+0xc0/0xc0
[  330.550486]  ? print_usage_bug+0xc0/0xc0
[  330.554555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.560097]  ? find_held_lock+0x36/0x1c0
[  330.564171]  ? mark_held_locks+0xc7/0x130
[  330.568337]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  330.573440]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  330.578546]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  330.583130]  ? trace_hardirqs_on+0xbd/0x310
[  330.587627]  ? kasan_check_read+0x11/0x20
[  330.591771]  ? ___ratelimit+0x3b4/0x672
[  330.595746]  ? trace_hardirqs_off_caller+0x310/0x310
[  330.600851]  ? trace_hardirqs_on+0x310/0x310
[  330.605264]  ? lock_downgrade+0x900/0x900
[  330.609424]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  330.614529]  ? ___ratelimit+0x3b9/0x672
[  330.618509]  ? idr_get_free+0xec0/0xec0
[  330.622484]  ? find_held_lock+0x36/0x1c0
[  330.626558]  oom_kill_process.cold.27+0x10/0x903
[  330.631315]  ? zap_class+0x640/0x640
[  330.635032]  ? check_preemption_disabled+0x48/0x280
[  330.640055]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  330.644984]  ? kasan_check_read+0x11/0x20
[  330.649134]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.654412]  ? oom_evaluate_task+0x540/0x540
[  330.658828]  ? find_held_lock+0x36/0x1c0
[  330.662900]  ? out_of_memory+0x974/0x1430
[  330.667049]  ? lock_downgrade+0x900/0x900
[  330.671203]  ? check_preemption_disabled+0x48/0x280
[  330.676234]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  330.681162]  ? kasan_check_read+0x11/0x20
[  330.685323]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.690601]  ? rcu_softirq_qs+0x20/0x20
[  330.694581]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.700119]  ? oom_evaluate_task+0x302/0x540
[  330.704535]  out_of_memory+0xa84/0x1430
[  330.708521]  ? oom_killer_disable+0x3a0/0x3a0
[  330.713020]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  330.717961]  ? __mutex_add_waiter+0x2a0/0x2a0
[  330.722469]  __alloc_pages_slowpath+0x22d4/0x2d70
[  330.727346]  ? warn_alloc+0x120/0x120
[  330.731146]  ? rcu_softirq_qs+0x20/0x20
[  330.735152]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.740691]  ? should_fail+0x22d/0xd01
[  330.744580]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.749685]  ? zap_class+0x640/0x640
[  330.753427]  ? __lock_is_held+0xb5/0x140
[  330.757504]  ? mark_held_locks+0x130/0x130
[  330.761745]  ? lock_release+0xa00/0xa00
[  330.765723]  ? perf_trace_sched_process_exec+0x860/0x860
[  330.771184]  ? __might_sleep+0x95/0x190
[  330.775182]  __alloc_pages_nodemask+0xa80/0xde0
[  330.779872]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  330.784893]  ? __page_cache_alloc+0x191/0x5c0
[  330.789390]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  330.794324]  ? kasan_check_read+0x11/0x20
[  330.798475]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.803761]  ? zap_class+0x640/0x640
[  330.807486]  ? zap_class+0x640/0x640
[  330.811207]  ? zap_class+0x640/0x640
[  330.814923]  ? __do_page_cache_readahead+0x7ce/0x980
[  330.820037]  ? find_held_lock+0x36/0x1c0
[  330.824108]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  330.829652]  alloc_pages_current+0x173/0x350
[  330.834070]  __page_cache_alloc+0x38c/0x5c0
[  330.838396]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  330.843326]  ? kasan_check_read+0x11/0x20
[  330.847481]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  330.852767]  ? generic_perform_write+0x6a0/0x6a0
[  330.857531]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.863069]  ? check_preemption_disabled+0x48/0x280
[  330.868095]  filemap_fault+0x1594/0x25f0
[  330.872171]  ? __lock_page_or_retry+0xa00/0xa00
[  330.876852]  ? mark_held_locks+0x130/0x130
[  330.881089]  ? rcu_softirq_qs+0x20/0x20
[  330.885079]  ? filemap_map_pages+0xe04/0x1990
[  330.889589]  ? __free_object+0x173/0x340
[  330.893654]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  330.898592]  ? trace_hardirqs_off_caller+0x310/0x310
[  330.903697]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  330.908384]  ? debug_object_free+0x32d/0x690
[  330.912793]  ? kasan_check_read+0x11/0x20
[  330.916943]  ? debug_object_destroy+0x2b0/0x2b0
[  330.921626]  ? lock_pi_update_atomic+0x150/0x150
[  330.926385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.931921]  ? __hrtimer_init+0xdb/0x240
[  330.936002]  ? lock_acquire+0x1ed/0x520
[  330.939983]  ? ext4_filemap_fault+0x7a/0xad
[  330.944312]  ? lock_release+0xa00/0xa00
[  330.948376]  ? perf_trace_sched_process_exec+0x860/0x860
[  330.953836]  ? print_usage_bug+0xc0/0xc0
[  330.957901]  ? print_usage_bug+0xc0/0xc0
[  330.961981]  ? down_read+0x8d/0x120
[  330.965616]  ? ext4_filemap_fault+0x7a/0xad
[  330.969941]  ? __down_interruptible+0x700/0x700
[  330.974647]  ext4_filemap_fault+0x82/0xad
[  330.978806]  __do_fault+0x100/0x6b0
[  330.982437]  ? find_held_lock+0x36/0x1c0
[  330.986508]  ? pmd_devmap_trans_unstable+0x220/0x220
[  330.991745]  ? mark_held_locks+0x130/0x130
[  330.995987]  ? mark_held_locks+0x130/0x130
[  331.000244]  ? kasan_check_read+0x11/0x20
[  331.004400]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.009956]  __handle_mm_fault+0x307c/0x5920
[  331.014373]  ? perf_trace_lock+0x7a0/0x7a0
[  331.018652]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  331.023511]  ? __switch_to_asm+0x34/0x70
[  331.027580]  ? __switch_to_asm+0x34/0x70
[  331.031662]  ? zap_class+0x640/0x640
[  331.035382]  ? zap_class+0x640/0x640
[  331.039102]  ? __x64_sys_futex+0x53e/0x6a0
[  331.043358]  ? find_held_lock+0x36/0x1c0
[  331.047439]  ? handle_mm_fault+0x42a/0xc70
[  331.051699]  ? lock_downgrade+0x900/0x900
[  331.055856]  ? check_preemption_disabled+0x48/0x280
[  331.060893]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  331.065837]  ? kasan_check_read+0x11/0x20
[  331.070000]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.075340]  ? rcu_softirq_qs+0x20/0x20
[  331.079325]  ? trace_hardirqs_off_caller+0x310/0x310
[  331.084495]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.090046]  ? check_preemption_disabled+0x48/0x280
[  331.095152]  handle_mm_fault+0x54f/0xc70
[  331.099256]  ? __handle_mm_fault+0x5920/0x5920
[  331.103919]  ? find_vma+0x34/0x190
[  331.107484]  __do_page_fault+0x5e8/0xe60
[  331.111559]  ? trace_hardirqs_off+0xb8/0x310
[  331.116000]  do_page_fault+0xf2/0x7e0
[  331.119815]  ? vmalloc_sync_all+0x30/0x30
[  331.123991]  ? error_entry+0x70/0xd0
[  331.127722]  ? trace_hardirqs_off_caller+0xbb/0x310
[  331.132812]  ? trace_hardirqs_on_caller+0xc0/0x310
[  331.137758]  ? syscall_return_slowpath+0x5e0/0x5e0
[  331.142701]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.147562]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.152592]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  331.158061]  ? prepare_exit_to_usermode+0x291/0x3b0
[  331.163098]  ? page_fault+0x8/0x30
[  331.166659]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.171527]  ? page_fault+0x8/0x30
[  331.175087]  page_fault+0x1e/0x30
[  331.178554] RIP: 0033:0x40f9c0
[  331.181771] Code: Bad RIP value.
[  331.185143] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  331.190521] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  331.197800] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  331.205083] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  331.212432] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  331.219799] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  331.227271] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  331.227342] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  331.234391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  331.234400] Call Trace:
[  331.240994] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  331.250257]  <IRQ>
[  331.252843] syz-fuzzer cpuset=
[  331.263239]  dump_stack+0x244/0x39d
[  331.265380] /
[  331.268580]  ? dump_stack_print_info.cold.1+0x20/0x20
[  331.272222]  mems_allowed=0
[  331.273958]  warn_alloc.cold.117+0xb7/0x1bd
[  331.286581]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  331.291539]  ? lock_downgrade+0x900/0x900
[  331.295720]  ? trace_hardirqs_off+0xb8/0x310
[  331.300653]  ? trace_hardirqs_off+0xb8/0x310
[  331.305090]  __alloc_pages_slowpath+0x2660/0x2d70
[  331.309982]  ? warn_alloc+0x120/0x120
[  331.313806]  ? warn_alloc+0x120/0x120
[  331.317627]  ? print_usage_bug+0xc0/0xc0
[  331.321710]  ? warn_alloc+0x120/0x120
[  331.325613]  ? print_usage_bug+0xc0/0xc0
[  331.329688]  ? __lock_acquire+0x62f/0x4c20
[  331.333940]  ? __lock_acquire+0x62f/0x4c20
[  331.338220]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.343834]  ? should_fail+0x22d/0xd01
[  331.347738]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.353034]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  331.358157]  ? __lock_acquire+0x62f/0x4c20
[  331.362437]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  331.367569]  ? __lock_acquire+0x62f/0x4c20
[  331.371820]  ? should_fail+0x22d/0xd01
[  331.375726]  ? rcu_irq_exit+0x1a2/0x390
[  331.379731]  ? mark_held_locks+0x130/0x130
[  331.384050]  ? mark_held_locks+0x130/0x130
[  331.388310]  ? mark_held_locks+0xc7/0x130
[  331.392477]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  331.397513]  ? zap_class+0x640/0x640
[  331.401257]  ? print_usage_bug+0xc0/0xc0
[  331.405346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.410906]  ? check_preemption_disabled+0x48/0x280
[  331.415965]  ? __lock_is_held+0xb5/0x140
[  331.420066]  __alloc_pages_nodemask+0xa80/0xde0
[  331.424767]  ? zap_class+0x640/0x640
[  331.428521]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  331.433681]  ? find_held_lock+0x36/0x1c0
[  331.437773]  ? ____cache_alloc_node+0x1c7/0x1e0
[  331.442464]  ? lock_downgrade+0x900/0x900
[  331.446641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.452228]  cache_grow_begin+0xa5/0x8c0
[  331.456311]  ? do_raw_spin_unlock+0xa7/0x330
[  331.460747]  fallback_alloc+0x204/0x2e0
[  331.464749]  ____cache_alloc_node+0x1c7/0x1e0
[  331.469273]  kmem_cache_alloc_node+0xe3/0x730
[  331.473790]  ? ipv6_get_ifaddr+0x42e/0x620
[  331.478058]  __alloc_skb+0x119/0x770
[  331.481791]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.487094]  ? netdev_alloc_frag+0x1f0/0x1f0
[  331.491530]  ? lock_downgrade+0x900/0x900
[  331.495774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.501338]  ? refcount_sub_and_test_checked+0x203/0x310
[  331.506815]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  331.512416]  ? addrconf_rs_timer+0x690/0x690
[  331.516899]  ndisc_alloc_skb+0x144/0x340
[  331.520981]  ndisc_send_rs+0x331/0x6e0
[  331.524890]  addrconf_rs_timer+0x314/0x690
[  331.529151]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.533452]  call_timer_fn+0x272/0x920
[  331.537358]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.541611]  ? process_timeout+0x40/0x40
[  331.545706]  ? __run_timers+0x7da/0xc70
[  331.549702]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.554241]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.558755]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.563015]  ? lockdep_hardirqs_on+0x296/0x5b0
[  331.567644]  ? trace_hardirqs_on+0xbd/0x310
[  331.572073]  ? kasan_check_read+0x11/0x20
[  331.576258]  ? __run_timers+0x7da/0xc70
[  331.580256]  ? trace_hardirqs_off_caller+0x310/0x310
[  331.585465]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.589726]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.593981]  __run_timers+0x7e5/0xc70
[  331.597813]  ? timer_fixup_init+0x70/0x70
[  331.601991]  ? kasan_check_read+0x11/0x20
[  331.606163]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.611493]  ? rcu_softirq_qs+0x20/0x20
[  331.615490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.621051]  ? check_preemption_disabled+0x48/0x280
[  331.626092]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  331.630896]  ? retint_kernel+0x2d/0x2d
[  331.634865]  ? trace_hardirqs_on_caller+0xc0/0x310
[  331.639815]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  331.644592]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  331.650062]  ? zap_class+0x640/0x640
[  331.653799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.659354]  ? check_preemption_disabled+0x48/0x280
[  331.664399]  ? __lock_is_held+0xb5/0x140
[  331.668483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.674033]  ? check_preemption_disabled+0x48/0x280
[  331.679068]  run_timer_softirq+0x52/0xb0
[  331.683146]  ? rcu_read_lock_sched_held+0x14f/0x180
[  331.688177]  __do_softirq+0x308/0xb7e
[  331.692023]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  331.696532]  ? lock_downgrade+0x900/0x900
[  331.700700]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  331.705832]  ? pvclock_read_flags+0x160/0x160
[  331.710346]  ? lapic_next_event+0x5a/0x90
[  331.714514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.720129]  ? kvm_clock_read+0x18/0x30
[  331.724124]  ? kvm_sched_clock_read+0x9/0x20
[  331.728550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.734167]  ? check_preemption_disabled+0x48/0x280
[  331.739256]  irq_exit+0x17f/0x1c0
[  331.742730]  smp_apic_timer_interrupt+0x1cb/0x760
[  331.747585]  ? smp_call_function_single_interrupt+0x159/0x650
[  331.753486]  ? smp_call_function_single_interrupt+0x650/0x650
[  331.759390]  ? interrupt_entry+0xb5/0xc0
[  331.763472]  ? trace_hardirqs_off_caller+0xbb/0x310
[  331.768505]  ? trace_hardirqs_off_caller+0xbb/0x310
[  331.773545]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.778409]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.783439]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.788477]  ? task_prio+0x50/0x50
[  331.792260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.797814]  ? check_preemption_disabled+0x48/0x280
[  331.802856]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.807730]  apic_timer_interrupt+0xf/0x20
[  331.811979]  </IRQ>
[  331.814257] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  331.819227] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  331.838256] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  331.846059] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  331.853353] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  331.860636] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  331.868005] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  331.875290] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  331.882624]  skb_clone+0x1bb/0x500
[  331.886182]  ? skb_split+0x11e0/0x11e0
[  331.890114]  ? check_preemption_disabled+0x48/0x280
[  331.895156]  ? __this_cpu_preempt_check+0x1c/0x20
[  331.900039]  ? __bpf_redirect+0x54b/0xb20
[  331.904240]  bpf_clone_redirect+0xb9/0x490
[  331.908509]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  331.913552]  ? __sched_text_start+0x8/0x8
[  331.917718]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  331.922496]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  331.927094]  ? retint_kernel+0x2d/0x2d
[  331.931068]  ? find_held_lock+0x36/0x1c0
[  331.935152]  ? lock_acquire+0x1ed/0x520
[  331.939142]  ? bpf_test_run+0x3cb/0x780
[  331.943150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.948702]  ? check_preemption_disabled+0x48/0x280
[  331.953744]  ? kasan_check_read+0x11/0x20
[  331.957909]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  331.963225]  ? rcu_softirq_qs+0x20/0x20
[  331.967237]  ? preempt_schedule+0x4d/0x60
[  331.971405]  ? ___preempt_schedule+0x16/0x18
[  331.975838]  ? bpf_test_run+0x25d/0x780
[  331.979841]  ? netlink_diag_dump+0x2a0/0x2a0
[  331.984289]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.989841]  ? bpf_test_init.isra.10+0x70/0x100
[  331.994588]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  331.999368]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  332.004247]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  332.009806]  ? fput+0x130/0x1a0
[  332.013215]  ? __bpf_prog_get+0x9b/0x290
[  332.017303]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  332.022158]  ? bpf_prog_test_run+0x130/0x1a0
[  332.026608]  ? __x64_sys_bpf+0x3d8/0x520
[  332.030689]  ? bpf_prog_get+0x20/0x20
[  332.034524]  ? do_syscall_64+0x1b9/0x820
[  332.038602]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  332.043985]  ? syscall_return_slowpath+0x5e0/0x5e0
[  332.048928]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.053788]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.058820]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  332.063852]  ? prepare_exit_to_usermode+0x291/0x3b0
[  332.068887]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.073755]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  332.079255] warn_alloc_show_mem: 1 callbacks suppressed
[  332.079267] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  332.079269] Mem-Info:
[  332.079300] active_anon:56297 inactive_anon:436 isolated_anon:0
[  332.079300]  active_file:15 inactive_file:14 isolated_file:0
[  332.079300]  unevictable:0 dirty:0 writeback:0 unstable:0
[  332.079300]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  332.079300]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  332.079300]  free:13786 free_pcp:429 free_cma:0
[  332.084655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  332.091336] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  332.093747] Call Trace:
[  332.126744] Node 0 
[  332.136252]  <IRQ>
[  332.164247] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  332.166824]  dump_stack+0x244/0x39d
[  332.169044] lowmem_reserve[]:
[  332.171228]  ? dump_stack_print_info.cold.1+0x20/0x20
[  332.196722]  0 2818
[  332.200394]  warn_alloc.cold.117+0xb7/0x1bd
[  332.203471]  6321
[  332.208674]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  332.210895]  6321
[  332.215245]  ? lock_downgrade+0x900/0x900
[  332.222149]  ? trace_hardirqs_off+0xb8/0x310
[  332.224240] Node 0 
[  332.228395]  ? trace_hardirqs_off+0xb8/0x310
[  332.232818] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  332.235132]  __alloc_pages_slowpath+0x2660/0x2d70
[  332.239514] lowmem_reserve[]: 0
[  332.266379]  ? warn_alloc+0x120/0x120
[  332.271212]  0
[  332.274573]  ? warn_alloc+0x120/0x120
[  332.278358]  3503
[  332.280171]  ? print_usage_bug+0xc0/0xc0
[  332.283956]  3503
[  332.286041]  ? warn_alloc+0x120/0x120
[  332.290208] Node 0 
[  332.292281]  ? print_usage_bug+0xc0/0xc0
[  332.296096] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  332.298314]  ? __lock_acquire+0x62f/0x4c20
[  332.302364] lowmem_reserve[]:
[  332.330973]  ? __lock_acquire+0x62f/0x4c20
[  332.335222]  0
[  332.338338]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.342555]  0 0
[  332.344377]  ? should_fail+0x22d/0xd01
[  332.349904]  0
[  332.351914]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.357607]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  332.362874] Node 0 DMA: 
[  332.367990]  ? __lock_acquire+0x62f/0x4c20
[  332.368007]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  332.370671] 1*4kB 
[  332.374918]  ? __lock_acquire+0x62f/0x4c20
[  332.380011] (U) 
[  332.382169]  ? should_fail+0x22d/0xd01
[  332.386398] 0*8kB 
[  332.388388]  ? rcu_irq_exit+0x1a2/0x390
[  332.392276] 0*16kB 1*32kB 
[  332.394575]  ? mark_held_locks+0x130/0x130
[  332.398529] (U) 
[  332.401391]  ? mark_held_locks+0x130/0x130
[  332.405613] 2*64kB 
[  332.407601]  ? mark_held_locks+0xc7/0x130
[  332.411824] (U) 
[  332.414072]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  332.418228] 1*128kB 
[  332.420237]  ? zap_class+0x640/0x640
[  332.425245] (U) 
[  332.427642]  ? print_usage_bug+0xc0/0xc0
[  332.431589] 1*256kB (U) 
[  332.433596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.437743] 0*512kB 
[  332.440441]  ? check_preemption_disabled+0x48/0x280
[  332.445972] 1*1024kB 
[  332.448314]  ? __lock_is_held+0xb5/0x140
[  332.453313] (U) 
[  332.455738]  __alloc_pages_nodemask+0xa80/0xde0
[  332.459782] 1*2048kB (M) 
[  332.461773]  ? zap_class+0x640/0x640
[  332.466432] 3*4096kB 
[  332.469227]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  332.472931] (M) 
[  332.475369]  ? find_held_lock+0x36/0x1c0
[  332.480370] = 15908kB
[  332.482368]  ? ____cache_alloc_node+0x1c7/0x1e0
[  332.486414] Node 0 
[  332.488837]  ? lock_downgrade+0x900/0x900
[  332.493497] DMA32: 
[  332.495753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.499888] 5*4kB 
[  332.502140]  cache_grow_begin+0xa5/0x8c0
[  332.507659] (UM) 
[  332.509905]  ? do_raw_spin_unlock+0xa7/0x330
[  332.513949] 1*8kB (U) 2*16kB 
[  332.516042]  fallback_alloc+0x204/0x2e0
[  332.520432] (M) 
[  332.523548]  ____cache_alloc_node+0x1c7/0x1e0
[  332.527502] 1*32kB (M) 
[  332.529504]  kmem_cache_alloc_node+0xe3/0x730
[  332.533988] 3*64kB 
[  332.536583]  ? ipv6_get_ifaddr+0x42e/0x620
[  332.541068] (M) 
[  332.543320]  __alloc_skb+0x119/0x770
[  332.547692] 5*128kB 
[  332.549698]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  332.553394] (UM) 3*256kB 
[  332.555741]  ? netdev_alloc_frag+0x1f0/0x1f0
[  332.561006] (M) 
[  332.563772]  ? lock_downgrade+0x900/0x900
[  332.568172] 4*512kB 
[  332.570185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.574344] (UM) 
[  332.576678]  ? refcount_sub_and_test_checked+0x203/0x310
[  332.582219] 3*1024kB (UM) 
[  332.584306]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  332.589739] 3*2048kB (UM) 
[  332.592607]  ? addrconf_rs_timer+0x690/0x690
[  332.598043] 3*4096kB (M) 
[  332.600915]  ndisc_alloc_skb+0x144/0x340
[  332.605304] = 25244kB
[  332.608068]  ndisc_send_rs+0x331/0x6e0
[  332.612119] Node 0 
[  332.614540]  addrconf_rs_timer+0x314/0x690
[  332.618415] Normal: 
[  332.620663]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.624888] 719*4kB 
[  332.627251]  call_timer_fn+0x272/0x920
[  332.631471] (UMEH) 
[  332.633804]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.637680] 258*8kB 
[  332.639923]  ? process_timeout+0x40/0x40
[  332.644149] (UME) 
[  332.646493]  ? mark_held_locks+0xc7/0x130
[  332.650538] 197*16kB 
[  332.652695]  ? _raw_spin_unlock_irq+0x27/0x80
[  332.656914] (UME) 98*32kB 
[  332.659341]  ? _raw_spin_unlock_irq+0x27/0x80
[  332.663816] (UME) 44*64kB 
[  332.666677]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.671162] (UM) 
[  332.674014]  ? lockdep_hardirqs_on+0x296/0x5b0
[  332.678262] 0*128kB 
[  332.680331]  ? trace_hardirqs_on+0xbd/0x310
[  332.684904] 0*256kB 
[  332.687257]  ? kasan_check_read+0x11/0x20
[  332.691563] 0*512kB 
[  332.693894]  ? __run_timers+0x7da/0xc70
[  332.698028] 0*1024kB 
[  332.700358]  ? trace_hardirqs_off_caller+0x310/0x310
[  332.704323] 0*2048kB 
[  332.706740]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.711831] 0*4096kB 
[  332.714256]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.718542] = 14044kB
[  332.720965]  __run_timers+0x7e5/0xc70
[  332.725216] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  332.727637]  ? timer_fixup_init+0x70/0x70
[  332.731423] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  332.731432] 4793 total pagecache pages
[  332.740278]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  332.744423] 0 pages in swap cache
[  332.753001]  ? zap_class+0x640/0x640
[  332.756937] Swap cache stats: add 0, delete 0, find 0/0
[  332.761983]  ? print_usage_bug+0xc0/0xc0
[  332.765427] Free swap  = 0kB
[  332.769145]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  332.774500] Total swap = 0kB
[  332.774507] 1965979 pages RAM
[  332.778607]  ? find_held_lock+0x36/0x1c0
[  332.781614] 0 pages HighMem/MovableOnly
[  332.786812]  ? zap_class+0x640/0x640
[  332.789818] 342867 pages reserved
[  332.792937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.796984] 0 pages cma reserved
[  332.797067] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  332.800987]  ? check_preemption_disabled+0x48/0x280
[  332.804753] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  332.808163]  ? __lock_is_held+0xb5/0x140
[  332.813683] syz-executor4 cpuset=
[  332.817059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.823655] syz4
[  332.828684]  ? check_preemption_disabled+0x48/0x280
[  332.839167]  mems_allowed=0
[  332.843271]  run_timer_softirq+0x52/0xb0
[  332.866279]  ? rcu_read_lock_sched_held+0x14f/0x180
[  332.871318]  __do_softirq+0x308/0xb7e
[  332.875145]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  332.879753]  ? lock_downgrade+0x900/0x900
[  332.883938]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  332.889077]  ? pvclock_read_flags+0x160/0x160
[  332.893597]  ? lapic_next_event+0x5a/0x90
[  332.897766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.903338]  ? kvm_clock_read+0x18/0x30
[  332.907332]  ? kvm_sched_clock_read+0x9/0x20
[  332.911847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.917411]  ? check_preemption_disabled+0x48/0x280
[  332.922460]  irq_exit+0x17f/0x1c0
[  332.925937]  smp_apic_timer_interrupt+0x1cb/0x760
[  332.930799]  ? smp_reschedule_interrupt+0x109/0x650
[  332.935834]  ? smp_call_function_single_interrupt+0x650/0x650
[  332.941744]  ? interrupt_entry+0xb5/0xc0
[  332.945824]  ? trace_hardirqs_off_caller+0xbb/0x310
[  332.950860]  ? trace_hardirqs_off_caller+0xbb/0x310
[  332.955899]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.960770]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.965803]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.970840]  ? task_prio+0x50/0x50
[  332.974398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.979958]  ? check_preemption_disabled+0x48/0x280
[  332.985022]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.990038]  apic_timer_interrupt+0xf/0x20
[  332.994287]  </IRQ>
[  332.996543] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  333.001811] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  333.020799] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  333.028527] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  333.035811] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  333.043096] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  333.050391] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  333.057679] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  333.065018]  retint_kernel+0x1b/0x2d
[  333.068750] RIP: 0010:dump_stack+0x358/0x39d
[  333.073177] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  333.092130] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  333.099870] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  333.107331] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  333.114702] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  333.121987] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  333.129270] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  333.136581]  ? dump_stack+0x34f/0x39d
[  333.140411]  ? dump_stack_print_info.cold.1+0x20/0x20
[  333.145631]  dump_header+0x27b/0xf72
[  333.149429]  ? mark_held_locks+0x130/0x130
[  333.153683]  ? pagefault_out_of_memory+0x197/0x197
[  333.158637]  ? __lock_acquire+0x62f/0x4c20
[  333.162971]  ? zap_class+0x640/0x640
[  333.166704]  ? percpu_ref_get_many+0x240/0x240
[  333.171302]  ? print_usage_bug+0xc0/0xc0
[  333.175378]  ? print_usage_bug+0xc0/0xc0
[  333.179459]  ? zap_class+0x640/0x640
[  333.183213]  ? print_usage_bug+0xc0/0xc0
[  333.187292]  ? print_usage_bug+0xc0/0xc0
[  333.191375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.196974]  ? find_held_lock+0x36/0x1c0
[  333.201057]  ? mark_held_locks+0xc7/0x130
[  333.205249]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  333.210370]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  333.215486]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  333.220114]  ? trace_hardirqs_on+0xbd/0x310
[  333.224450]  ? kasan_check_read+0x11/0x20
[  333.228610]  ? ___ratelimit+0x3b4/0x672
[  333.232600]  ? trace_hardirqs_off_caller+0x310/0x310
[  333.237717]  ? trace_hardirqs_on+0x310/0x310
[  333.242138]  ? lock_downgrade+0x900/0x900
[  333.246314]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  333.251539]  ? ___ratelimit+0x3b9/0x672
[  333.255528]  ? idr_get_free+0xec0/0xec0
[  333.259517]  ? find_held_lock+0x36/0x1c0
[  333.263609]  oom_kill_process.cold.27+0x10/0x903
[  333.268378]  ? zap_class+0x640/0x640
[  333.272104]  ? check_preemption_disabled+0x48/0x280
[  333.277141]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  333.282084]  ? kasan_check_read+0x11/0x20
[  333.286258]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.291554]  ? oom_evaluate_task+0x540/0x540
[  333.295990]  ? find_held_lock+0x36/0x1c0
[  333.300424]  ? out_of_memory+0x974/0x1430
[  333.304587]  ? lock_downgrade+0x900/0x900
[  333.308747]  ? check_preemption_disabled+0x48/0x280
[  333.313791]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  333.318733]  ? kasan_check_read+0x11/0x20
[  333.322897]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.328212]  ? rcu_softirq_qs+0x20/0x20
[  333.332233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.337783]  ? oom_evaluate_task+0x302/0x540
[  333.342236]  out_of_memory+0xa84/0x1430
[  333.346258]  ? oom_killer_disable+0x3a0/0x3a0
[  333.350767]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  333.355713]  ? __mutex_add_waiter+0x2a0/0x2a0
[  333.360261]  __alloc_pages_slowpath+0x22d4/0x2d70
[  333.365149]  ? warn_alloc+0x120/0x120
[  333.368966]  ? rcu_softirq_qs+0x20/0x20
[  333.372993]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.378547]  ? should_fail+0x22d/0xd01
[  333.382455]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  333.387574]  ? zap_class+0x640/0x640
[  333.391332]  ? __lock_is_held+0xb5/0x140
[  333.395417]  ? mark_held_locks+0x130/0x130
[  333.399675]  ? lock_release+0xa00/0xa00
[  333.403665]  ? perf_trace_sched_process_exec+0x860/0x860
[  333.409140]  ? __might_sleep+0x95/0x190
[  333.413133]  __alloc_pages_nodemask+0xa80/0xde0
[  333.417826]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  333.422932]  ? __page_cache_alloc+0x191/0x5c0
[  333.427445]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  333.432389]  ? kasan_check_read+0x11/0x20
[  333.436642]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.441937]  ? zap_class+0x640/0x640
[  333.445680]  ? zap_class+0x640/0x640
[  333.449407]  ? zap_class+0x640/0x640
[  333.453219]  ? __do_page_cache_readahead+0x7ce/0x980
[  333.458345]  ? find_held_lock+0x36/0x1c0
[  333.462428]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  333.467989]  alloc_pages_current+0x173/0x350
[  333.472423]  __page_cache_alloc+0x38c/0x5c0
[  333.476769]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  333.481823]  ? kasan_check_read+0x11/0x20
[  333.485991]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.491287]  ? generic_perform_write+0x6a0/0x6a0
[  333.496122]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.501675]  ? check_preemption_disabled+0x48/0x280
[  333.506725]  filemap_fault+0x1594/0x25f0
[  333.510814]  ? __lock_page_or_retry+0xa00/0xa00
[  333.515503]  ? mark_held_locks+0x130/0x130
[  333.519757]  ? rcu_softirq_qs+0x20/0x20
[  333.523804]  ? filemap_map_pages+0xe04/0x1990
[  333.528327]  ? __free_object+0x173/0x340
[  333.532419]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  333.537430]  ? trace_hardirqs_off_caller+0x310/0x310
[  333.542610]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  333.547399]  ? debug_object_free+0x32d/0x690
[  333.551819]  ? kasan_check_read+0x11/0x20
[  333.555982]  ? debug_object_destroy+0x2b0/0x2b0
[  333.560671]  ? lock_pi_update_atomic+0x150/0x150
[  333.565456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.571007]  ? __hrtimer_init+0xdb/0x240
[  333.575093]  ? lock_acquire+0x1ed/0x520
[  333.579172]  ? ext4_filemap_fault+0x7a/0xad
[  333.583540]  ? lock_release+0xa00/0xa00
[  333.587586]  ? perf_trace_sched_process_exec+0x860/0x860
[  333.593137]  ? print_usage_bug+0xc0/0xc0
[  333.597240]  ? print_usage_bug+0xc0/0xc0
[  333.601387]  ? down_read+0x8d/0x120
[  333.605025]  ? ext4_filemap_fault+0x7a/0xad
[  333.609364]  ? __down_interruptible+0x700/0x700
[  333.614212]  ext4_filemap_fault+0x82/0xad
[  333.618380]  __do_fault+0x100/0x6b0
[  333.622018]  ? find_held_lock+0x36/0x1c0
[  333.626099]  ? pmd_devmap_trans_unstable+0x220/0x220
[  333.631239]  ? mark_held_locks+0x130/0x130
[  333.635491]  ? mark_held_locks+0x130/0x130
[  333.639839]  ? kasan_check_read+0x11/0x20
[  333.644006]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.649564]  __handle_mm_fault+0x307c/0x5920
[  333.653985]  ? perf_trace_lock+0x7a0/0x7a0
[  333.658264]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  333.663129]  ? __switch_to_asm+0x34/0x70
[  333.667228]  ? __switch_to_asm+0x34/0x70
[  333.671324]  ? zap_class+0x640/0x640
[  333.675049]  ? zap_class+0x640/0x640
[  333.678775]  ? __x64_sys_futex+0x53e/0x6a0
[  333.683092]  ? find_held_lock+0x36/0x1c0
[  333.687178]  ? handle_mm_fault+0x42a/0xc70
[  333.691453]  ? lock_downgrade+0x900/0x900
[  333.695675]  ? check_preemption_disabled+0x48/0x280
[  333.700719]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  333.705665]  ? kasan_check_read+0x11/0x20
[  333.709832]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  333.715123]  ? rcu_softirq_qs+0x20/0x20
[  333.719113]  ? trace_hardirqs_off_caller+0x310/0x310
[  333.724253]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.729804]  ? check_preemption_disabled+0x48/0x280
[  333.734902]  handle_mm_fault+0x54f/0xc70
[  333.738990]  ? __handle_mm_fault+0x5920/0x5920
[  333.743592]  ? find_vma+0x34/0x190
[  333.747183]  __do_page_fault+0x5e8/0xe60
[  333.751284]  ? trace_hardirqs_off+0xb8/0x310
[  333.755717]  do_page_fault+0xf2/0x7e0
[  333.759533]  ? vmalloc_sync_all+0x30/0x30
[  333.763696]  ? error_entry+0x70/0xd0
[  333.767504]  ? trace_hardirqs_off_caller+0xbb/0x310
[  333.772634]  ? trace_hardirqs_on_caller+0xc0/0x310
[  333.777575]  ? syscall_return_slowpath+0x5e0/0x5e0
[  333.782522]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.787380]  ? trace_hardirqs_on_caller+0x310/0x310
[  333.792471]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  333.797941]  ? prepare_exit_to_usermode+0x291/0x3b0
[  333.802984]  ? page_fault+0x8/0x30
[  333.806542]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.811407]  ? page_fault+0x8/0x30
[  333.814969]  page_fault+0x1e/0x30
[  333.818438] RIP: 0033:0x40f9c0
[  333.821658] Code: Bad RIP value.
[  333.825032] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  333.830411] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  333.837693] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  333.844976] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  333.852255] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  333.859534] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  333.866844] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  333.866907] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  333.873871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  333.873880] Call Trace:
[  333.880614] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  333.889878]  <IRQ>
[  333.892464] syz-fuzzer cpuset=
[  333.902727]  dump_stack+0x244/0x39d
[  333.904955] /
[  333.908151]  ? dump_stack_print_info.cold.1+0x20/0x20
[  333.911889]  mems_allowed=0
[  333.913681]  warn_alloc.cold.117+0xb7/0x1bd
[  333.926224]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  333.931086]  ? lock_downgrade+0x900/0x900
[  333.935262]  ? trace_hardirqs_off+0xb8/0x310
[  333.939692]  ? trace_hardirqs_off+0xb8/0x310
[  333.944121]  __alloc_pages_slowpath+0x2660/0x2d70
[  333.949010]  ? warn_alloc+0x120/0x120
[  333.952979]  ? warn_alloc+0x120/0x120
[  333.956799]  ? print_usage_bug+0xc0/0xc0
[  333.960879]  ? warn_alloc+0x120/0x120
[  333.964693]  ? print_usage_bug+0xc0/0xc0
[  333.968773]  ? __lock_acquire+0x62f/0x4c20
[  333.973021]  ? __lock_acquire+0x62f/0x4c20
[  333.977275]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.982825]  ? should_fail+0x22d/0xd01
[  333.986728]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  333.991845]  ? __lock_acquire+0x62f/0x4c20
[  333.996100]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  334.001235]  ? __lock_acquire+0x62f/0x4c20
[  334.005481]  ? should_fail+0x22d/0xd01
[  334.009380]  ? find_held_lock+0x36/0x1c0
[  334.013468]  ? mark_held_locks+0x130/0x130
[  334.017808]  ? mark_held_locks+0x130/0x130
[  334.022056]  ? zap_class+0x640/0x640
[  334.025782]  ? zap_class+0x640/0x640
[  334.029512]  ? print_usage_bug+0xc0/0xc0
[  334.033588]  ? do_raw_spin_unlock+0xa7/0x330
[  334.038010]  ? zap_class+0x640/0x640
[  334.041736]  ? print_usage_bug+0xc0/0xc0
[  334.045877]  ? wq_watchdog_touch+0x9c/0xfe
[  334.050135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.055776]  ? check_preemption_disabled+0x48/0x280
[  334.060815]  ? __lock_is_held+0xb5/0x140
[  334.064903]  __alloc_pages_nodemask+0xa80/0xde0
[  334.069589]  ? zap_class+0x640/0x640
[  334.073322]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  334.078364]  ? find_held_lock+0x36/0x1c0
[  334.082458]  ? ____cache_alloc_node+0x1c7/0x1e0
[  334.087141]  ? lock_downgrade+0x900/0x900
[  334.091318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.096879]  cache_grow_begin+0xa5/0x8c0
[  334.100954]  ? do_raw_spin_unlock+0xa7/0x330
[  334.105394]  fallback_alloc+0x204/0x2e0
[  334.109389]  ____cache_alloc_node+0x1c7/0x1e0
[  334.114013]  kmem_cache_alloc_node+0xe3/0x730
[  334.118528]  ? ipv6_get_ifaddr+0x42e/0x620
[  334.122787]  __alloc_skb+0x119/0x770
[  334.126548]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.131847]  ? netdev_alloc_frag+0x1f0/0x1f0
[  334.136277]  ? lock_downgrade+0x900/0x900
[  334.140455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.146016]  ? refcount_sub_and_test_checked+0x203/0x310
[  334.151488]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  334.156958]  ? addrconf_rs_timer+0x690/0x690
[  334.161398]  ndisc_alloc_skb+0x144/0x340
[  334.165481]  ndisc_send_rs+0x331/0x6e0
[  334.169387]  addrconf_rs_timer+0x314/0x690
[  334.173643]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.177910]  call_timer_fn+0x272/0x920
[  334.181814]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.186068]  ? process_timeout+0x40/0x40
[  334.190157]  ? __run_timers+0x7da/0xc70
[  334.194174]  ? _raw_spin_unlock_irq+0x27/0x80
[  334.198707]  ? _raw_spin_unlock_irq+0x27/0x80
[  334.203238]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.207488]  ? lockdep_hardirqs_on+0x296/0x5b0
[  334.212088]  ? trace_hardirqs_on+0xbd/0x310
[  334.216425]  ? kasan_check_read+0x11/0x20
[  334.220596]  ? __run_timers+0x7da/0xc70
[  334.224584]  ? trace_hardirqs_off_caller+0x310/0x310
[  334.229709]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.233961]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.238233]  __run_timers+0x7e5/0xc70
[  334.242084]  ? timer_fixup_init+0x70/0x70
[  334.246253]  ? kasan_check_read+0x11/0x20
[  334.250432]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.255732]  ? rcu_softirq_qs+0x20/0x20
[  334.259722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.265277]  ? check_preemption_disabled+0x48/0x280
[  334.270319]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  334.275095]  ? retint_kernel+0x2d/0x2d
[  334.278996]  ? trace_hardirqs_on_caller+0xc0/0x310
[  334.283941]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  334.288775]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  334.294271]  ? zap_class+0x640/0x640
[  334.298072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.303632]  ? check_preemption_disabled+0x48/0x280
[  334.308674]  ? __lock_is_held+0xb5/0x140
[  334.312749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.318300]  ? check_preemption_disabled+0x48/0x280
[  334.323338]  run_timer_softirq+0x52/0xb0
[  334.327414]  ? rcu_read_lock_sched_held+0x14f/0x180
[  334.332459]  __do_softirq+0x308/0xb7e
[  334.336373]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  334.340885]  ? lock_downgrade+0x900/0x900
[  334.345050]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  334.350176]  ? pvclock_read_flags+0x160/0x160
[  334.354710]  ? lapic_next_event+0x5a/0x90
[  334.358871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.364429]  ? kvm_clock_read+0x18/0x30
[  334.368426]  ? kvm_sched_clock_read+0x9/0x20
[  334.372856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.378411]  ? check_preemption_disabled+0x48/0x280
[  334.383460]  irq_exit+0x17f/0x1c0
[  334.386932]  smp_apic_timer_interrupt+0x1cb/0x760
[  334.391788]  ? smp_call_function_single_interrupt+0x159/0x650
[  334.397695]  ? smp_call_function_single_interrupt+0x650/0x650
[  334.403596]  ? interrupt_entry+0xb5/0xc0
[  334.407763]  ? trace_hardirqs_off_caller+0xbb/0x310
[  334.412791]  ? trace_hardirqs_off_caller+0xbb/0x310
[  334.417827]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.422812]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.427842]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.433284]  ? task_prio+0x50/0x50
[  334.436843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.442396]  ? check_preemption_disabled+0x48/0x280
[  334.447436]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.452324]  apic_timer_interrupt+0xf/0x20
[  334.456568]  </IRQ>
[  334.458827] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  334.463782] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  334.482705] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  334.490435] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  334.497722] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  334.505064] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  334.512347] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  334.519751] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  334.527174]  skb_clone+0x1bb/0x500
[  334.530759]  ? skb_split+0x11e0/0x11e0
[  334.534660]  ? check_preemption_disabled+0x48/0x280
[  334.539696]  ? __this_cpu_preempt_check+0x1c/0x20
[  334.544555]  ? __bpf_redirect+0x54b/0xb20
[  334.548733]  bpf_clone_redirect+0xb9/0x490
[  334.552999]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  334.558037]  ? __sched_text_start+0x8/0x8
[  334.562339]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  334.567111]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  334.571707]  ? retint_kernel+0x2d/0x2d
[  334.575617]  ? find_held_lock+0x36/0x1c0
[  334.579701]  ? lock_acquire+0x1ed/0x520
[  334.583695]  ? bpf_test_run+0x3cb/0x780
[  334.587684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.593268]  ? check_preemption_disabled+0x48/0x280
[  334.598312]  ? kasan_check_read+0x11/0x20
[  334.602483]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.607844]  ? rcu_softirq_qs+0x20/0x20
[  334.611837]  ? preempt_schedule+0x4d/0x60
[  334.616000]  ? ___preempt_schedule+0x16/0x18
[  334.620431]  ? bpf_test_run+0x25d/0x780
[  334.624442]  ? netlink_diag_dump+0x2a0/0x2a0
[  334.628880]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.634434]  ? bpf_test_init.isra.10+0x70/0x100
[  334.639140]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  334.643923]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  334.648867]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  334.654422]  ? fput+0x130/0x1a0
[  334.657724]  ? __bpf_prog_get+0x9b/0x290
[  334.661850]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  334.666705]  ? bpf_prog_test_run+0x130/0x1a0
[  334.671132]  ? __x64_sys_bpf+0x3d8/0x520
[  334.675229]  ? bpf_prog_get+0x20/0x20
[  334.679071]  ? do_syscall_64+0x1b9/0x820
[  334.683178]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  334.688585]  ? syscall_return_slowpath+0x5e0/0x5e0
[  334.693531]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.698394]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.703438]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  334.708475]  ? prepare_exit_to_usermode+0x291/0x3b0
[  334.713516]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.718395]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  334.723874] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  334.723880] warn_alloc_show_mem: 1 callbacks suppressed
[  334.723887] Mem-Info:
[  334.730571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  334.735954] active_anon:56297 inactive_anon:436 isolated_anon:0
[  334.735954]  active_file:15 inactive_file:14 isolated_file:0
[  334.735954]  unevictable:0 dirty:0 writeback:0 unstable:0
[  334.735954]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  334.735954]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  334.735954]  free:13786 free_pcp:429 free_cma:0
[  334.738440] Call Trace:
[  334.747849] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  334.780990]  <IRQ>
[  334.783578] Node 0 
[  334.811367]  dump_stack+0x244/0x39d
[  334.813539] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  334.815856]  ? dump_stack_print_info.cold.1+0x20/0x20
[  334.819478] lowmem_reserve[]: 0
[  334.845338]  warn_alloc.cold.117+0xb7/0x1bd
[  334.850578]  2818
[  334.853995]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  334.858301]  6321
[  334.860378]  ? lock_downgrade+0x900/0x900
[  334.865230]  6321
[  334.867309]  ? trace_hardirqs_off+0xb8/0x310
[  334.871440] Node 0 
[  334.873517]  ? trace_hardirqs_off+0xb8/0x310
[  334.877953] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  334.880182]  __alloc_pages_slowpath+0x2660/0x2d70
[  334.884592] lowmem_reserve[]: 0
[  334.911357]  ? warn_alloc+0x120/0x120
[  334.916162]  0 3503
[  334.919484]  ? warn_alloc+0x120/0x120
[  334.923271]  3503
[  334.925513]  ? print_usage_bug+0xc0/0xc0
[  334.931467]  ? warn_alloc+0x120/0x120
[  334.931483]  ? print_usage_bug+0xc0/0xc0
[  334.935538] Node 0 
[  334.939347]  ? __lock_acquire+0x62f/0x4c20
[  334.943423] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  334.945644]  ? __lock_acquire+0x62f/0x4c20
[  334.949869] lowmem_reserve[]:
[  334.978439]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.982667]  0
[  334.985777]  ? should_fail+0x22d/0xd01
[  334.991303]  0
[  334.993179]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  334.997072]  0 0
[  334.998894]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  335.006254]  ? __lock_acquire+0x62f/0x4c20
[  335.011351] Node 0 DMA: 
[  335.015677]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  335.015693]  ? __lock_acquire+0x62f/0x4c20
[  335.018430] 1*4kB 
[  335.023796]  ? should_fail+0x22d/0xd01
[  335.028078] (U) 
[  335.030258]  ? rcu_irq_exit+0x1a2/0x390
[  335.034130] 0*8kB 0*16kB 
[  335.036132]  ? mark_held_locks+0x130/0x130
[  335.040093] 1*32kB 
[  335.042857]  ? mark_held_locks+0x130/0x130
[  335.047083] (U) 
[  335.049333]  ? mark_held_locks+0xc7/0x130
[  335.053556] 2*64kB 
[  335.055549]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  335.059684] (U) 
[  335.061995]  ? zap_class+0x640/0x640
[  335.067057] 1*128kB 
[  335.069040]  ? print_usage_bug+0xc0/0xc0
[  335.072744] (U) 
[  335.075078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.079135] 1*256kB (U) 
[  335.081142]  ? check_preemption_disabled+0x48/0x280
[  335.086667] 0*512kB 
[  335.089355]  ? __lock_is_held+0xb5/0x140
[  335.094353] 1*1024kB 
[  335.096689]  __alloc_pages_nodemask+0xa80/0xde0
[  335.100738] (U) 
[  335.103177]  ? zap_class+0x640/0x640
[  335.107855] 1*2048kB (M) 
[  335.109850]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  335.113551] 3*4096kB 
[  335.116332]  ? find_held_lock+0x36/0x1c0
[  335.121329] (M) 
[  335.123757]  ? ____cache_alloc_node+0x1c7/0x1e0
[  335.127793] = 15908kB
[  335.127801] Node 0 
[  335.129789]  ? lock_downgrade+0x900/0x900
[  335.134445] DMA32: 
[  335.137004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.139248] 5*4kB 
[  335.143407]  cache_grow_begin+0xa5/0x8c0
[  335.145631] (UM) 
[  335.151173]  ? do_raw_spin_unlock+0xa7/0x330
[  335.153336] 1*8kB 
[  335.157410]  fallback_alloc+0x204/0x2e0
[  335.159465] (U) 
[  335.163883]  ____cache_alloc_node+0x1c7/0x1e0
[  335.166019] 2*16kB 
[  335.169998]  kmem_cache_alloc_node+0xe3/0x730
[  335.171965] (M) 
[  335.176467]  ? ipv6_get_ifaddr+0x42e/0x620
[  335.176491]  __alloc_skb+0x119/0x770
[  335.178722] 1*32kB 
[  335.183259]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.185239] (M) 
[  335.189485]  ? netdev_alloc_frag+0x1f0/0x1f0
[  335.193213] 3*64kB 
[  335.195461]  ? lock_downgrade+0x900/0x900
[  335.200736] (M) 
[  335.202726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.207121] 5*128kB 
[  335.209369]  ? refcount_sub_and_test_checked+0x203/0x310
[  335.213506] (UM) 
[  335.215492]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  335.221019] 3*256kB 
[  335.223371]  ? addrconf_rs_timer+0x690/0x690
[  335.228821] (M) 
[  335.230904]  ndisc_alloc_skb+0x144/0x340
[  335.236330] 4*512kB (UM) 
[  335.238671]  ndisc_send_rs+0x331/0x6e0
[  335.243069] 3*1024kB 
[  335.245057]  addrconf_rs_timer+0x314/0x690
[  335.249169] (UM) 3*2048kB 
[  335.251986]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.255863] (UM) 
[  335.258293]  call_timer_fn+0x272/0x920
[  335.262506] 3*4096kB 
[  335.265355]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.269581] (M) 
[  335.271658]  ? process_timeout+0x40/0x40
[  335.275527] = 25244kB
[  335.275535] Node 0 
[  335.277968]  ? mark_held_locks+0xc7/0x130
[  335.282175] Normal: 719*4kB 
[  335.284224]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.288273] (UMEH) 258*8kB 
[  335.290708]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.292927] (UME) 
[  335.297088]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.300643] 197*16kB (UME) 
[  335.305169]  ? lockdep_hardirqs_on+0x296/0x5b0
[  335.308090] 98*32kB 
[  335.312599]  ? trace_hardirqs_on+0xbd/0x310
[  335.314749] (UME) 
[  335.318995]  ? kasan_check_read+0x11/0x20
[  335.321910] 44*64kB (UM) 
[  335.326525]  ? __run_timers+0x7da/0xc70
[  335.328841] 0*128kB 
[  335.333170]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.335314] 0*256kB 
[  335.339474]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.342240] 0*512kB 
[  335.346248]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.348562] 0*1024kB 
[  335.353677]  __run_timers+0x7e5/0xc70
[  335.356001] 0*2048kB 
[  335.360270]  ? timer_fixup_init+0x70/0x70
[  335.362573] 0*4096kB 
[  335.366872]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  335.369273] = 14044kB
[  335.373079]  ? zap_class+0x640/0x640
[  335.375491] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  335.379640]  ? print_usage_bug+0xc0/0xc0
[  335.382050] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  335.387105]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  335.389569] 4793 total pagecache pages
[  335.393298]  ? find_held_lock+0x36/0x1c0
[  335.402124] 0 pages in swap cache
[  335.406231]  ? zap_class+0x640/0x640
[  335.414802] Swap cache stats: add 0, delete 0, find 0/0
[  335.420000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.423877] Free swap  = 0kB
[  335.427945]  ? check_preemption_disabled+0x48/0x280
[  335.431499] Total swap = 0kB
[  335.435252]  ? __lock_is_held+0xb5/0x140
[  335.440687] 1965979 pages RAM
[  335.446251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.449263] 0 pages HighMem/MovableOnly
[  335.454286]  ? check_preemption_disabled+0x48/0x280
[  335.457296] 342867 pages reserved
[  335.461365]  run_timer_softirq+0x52/0xb0
[  335.464466] 0 pages cma reserved
[  335.470012]  ? rcu_read_lock_sched_held+0x14f/0x180
[  335.474102] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  335.479062]  __do_softirq+0x308/0xb7e
[  335.479081]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  335.479098]  ? lock_downgrade+0x900/0x900
[  335.482601] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  335.486705]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  335.490064] syz-executor4 cpuset=
[  335.495152]  ? pvclock_read_flags+0x160/0x160
[  335.501720] syz4
[  335.505532]  ? lapic_next_event+0x5a/0x90
[  335.510014]  mems_allowed=0
[  335.514169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.552307]  ? kvm_clock_read+0x18/0x30
[  335.556298]  ? kvm_sched_clock_read+0x9/0x20
[  335.560722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.566272]  ? check_preemption_disabled+0x48/0x280
[  335.571316]  irq_exit+0x17f/0x1c0
[  335.574786]  smp_apic_timer_interrupt+0x1cb/0x760
[  335.579703]  ? smp_reschedule_interrupt+0x109/0x650
[  335.584795]  ? smp_call_function_single_interrupt+0x650/0x650
[  335.590698]  ? interrupt_entry+0xb5/0xc0
[  335.594774]  ? trace_hardirqs_off_caller+0xbb/0x310
[  335.599807]  ? trace_hardirqs_off_caller+0xbb/0x310
[  335.604902]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  335.609760]  ? trace_hardirqs_on_caller+0x310/0x310
[  335.614788]  ? trace_hardirqs_on_caller+0x310/0x310
[  335.619816]  ? task_prio+0x50/0x50
[  335.623375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.628931]  ? check_preemption_disabled+0x48/0x280
[  335.633978]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  335.638846]  apic_timer_interrupt+0xf/0x20
[  335.643089]  </IRQ>
[  335.645345] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  335.650552] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  335.669469] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  335.677218] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  335.684505] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  335.691946] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  335.699246] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  335.706529] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  335.713849]  retint_kernel+0x1b/0x2d
[  335.717580] RIP: 0010:dump_stack+0x358/0x39d
[  335.722002] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  335.740914] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  335.748645] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  335.755924] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  335.763235] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  335.770604] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  335.777887] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  335.785291]  ? dump_stack+0x34f/0x39d
[  335.789121]  ? dump_stack_print_info.cold.1+0x20/0x20
[  335.794340]  dump_header+0x27b/0xf72
[  335.798080]  ? mark_held_locks+0x130/0x130
[  335.802334]  ? pagefault_out_of_memory+0x197/0x197
[  335.807287]  ? __lock_acquire+0x62f/0x4c20
[  335.811536]  ? zap_class+0x640/0x640
[  335.815271]  ? percpu_ref_get_many+0x240/0x240
[  335.819873]  ? print_usage_bug+0xc0/0xc0
[  335.823962]  ? print_usage_bug+0xc0/0xc0
[  335.828043]  ? zap_class+0x640/0x640
[  335.831860]  ? print_usage_bug+0xc0/0xc0
[  335.835936]  ? print_usage_bug+0xc0/0xc0
[  335.840052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.845611]  ? find_held_lock+0x36/0x1c0
[  335.849787]  ? mark_held_locks+0xc7/0x130
[  335.853964]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  335.859085]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  335.864229]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  335.868914]  ? trace_hardirqs_on+0xbd/0x310
[  335.873256]  ? kasan_check_read+0x11/0x20
[  335.877421]  ? ___ratelimit+0x3b4/0x672
[  335.881414]  ? trace_hardirqs_off_caller+0x310/0x310
[  335.886537]  ? trace_hardirqs_on+0x310/0x310
[  335.890966]  ? lock_downgrade+0x900/0x900
[  335.895222]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  335.900341]  ? ___ratelimit+0x3b9/0x672
[  335.904420]  ? idr_get_free+0xec0/0xec0
[  335.908409]  ? find_held_lock+0x36/0x1c0
[  335.912497]  oom_kill_process.cold.27+0x10/0x903
[  335.917266]  ? zap_class+0x640/0x640
[  335.920993]  ? check_preemption_disabled+0x48/0x280
[  335.926031]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  335.930979]  ? kasan_check_read+0x11/0x20
[  335.935140]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.940434]  ? oom_evaluate_task+0x540/0x540
[  335.944865]  ? find_held_lock+0x36/0x1c0
[  335.948967]  ? out_of_memory+0x974/0x1430
[  335.953135]  ? lock_downgrade+0x900/0x900
[  335.957299]  ? check_preemption_disabled+0x48/0x280
[  335.962339]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  335.967288]  ? kasan_check_read+0x11/0x20
[  335.971451]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  335.976748]  ? rcu_softirq_qs+0x20/0x20
[  335.980743]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.986296]  ? oom_evaluate_task+0x302/0x540
[  335.990725]  out_of_memory+0xa84/0x1430
[  335.994723]  ? oom_killer_disable+0x3a0/0x3a0
[  335.999255]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  336.004227]  ? __mutex_add_waiter+0x2a0/0x2a0
[  336.008755]  __alloc_pages_slowpath+0x22d4/0x2d70
[  336.013647]  ? warn_alloc+0x120/0x120
[  336.017471]  ? rcu_softirq_qs+0x20/0x20
[  336.021489]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.027042]  ? should_fail+0x22d/0xd01
[  336.030955]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.036075]  ? zap_class+0x640/0x640
[  336.039830]  ? __lock_is_held+0xb5/0x140
[  336.043916]  ? mark_held_locks+0x130/0x130
[  336.048171]  ? lock_release+0xa00/0xa00
[  336.052181]  ? perf_trace_sched_process_exec+0x860/0x860
[  336.057683]  ? __might_sleep+0x95/0x190
[  336.061680]  __alloc_pages_nodemask+0xa80/0xde0
[  336.066384]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  336.071417]  ? __page_cache_alloc+0x191/0x5c0
[  336.075931]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  336.080945]  ? kasan_check_read+0x11/0x20
[  336.085116]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.090416]  ? zap_class+0x640/0x640
[  336.094151]  ? zap_class+0x640/0x640
[  336.097876]  ? zap_class+0x640/0x640
[  336.101604]  ? __do_page_cache_readahead+0x7ce/0x980
[  336.106728]  ? find_held_lock+0x36/0x1c0
[  336.110818]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  336.116376]  alloc_pages_current+0x173/0x350
[  336.120805]  __page_cache_alloc+0x38c/0x5c0
[  336.125145]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  336.130087]  ? kasan_check_read+0x11/0x20
[  336.134257]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.139550]  ? generic_perform_write+0x6a0/0x6a0
[  336.144325]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.149977]  ? check_preemption_disabled+0x48/0x280
[  336.155014]  filemap_fault+0x1594/0x25f0
[  336.159103]  ? __lock_page_or_retry+0xa00/0xa00
[  336.163788]  ? mark_held_locks+0x130/0x130
[  336.168105]  ? rcu_softirq_qs+0x20/0x20
[  336.172153]  ? filemap_map_pages+0xe04/0x1990
[  336.176675]  ? __free_object+0x173/0x340
[  336.180755]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  336.185701]  ? trace_hardirqs_off_caller+0x310/0x310
[  336.190819]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  336.195516]  ? debug_object_free+0x32d/0x690
[  336.199984]  ? kasan_check_read+0x11/0x20
[  336.204153]  ? debug_object_destroy+0x2b0/0x2b0
[  336.208840]  ? lock_pi_update_atomic+0x150/0x150
[  336.213614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.219168]  ? __hrtimer_init+0xdb/0x240
[  336.223280]  ? lock_acquire+0x1ed/0x520
[  336.227270]  ? ext4_filemap_fault+0x7a/0xad
[  336.231611]  ? lock_release+0xa00/0xa00
[  336.235607]  ? perf_trace_sched_process_exec+0x860/0x860
[  336.241072]  ? print_usage_bug+0xc0/0xc0
[  336.245147]  ? print_usage_bug+0xc0/0xc0
[  336.249259]  ? down_read+0x8d/0x120
[  336.252895]  ? ext4_filemap_fault+0x7a/0xad
[  336.257246]  ? __down_interruptible+0x700/0x700
[  336.261979]  ext4_filemap_fault+0x82/0xad
[  336.266147]  __do_fault+0x100/0x6b0
[  336.269787]  ? find_held_lock+0x36/0x1c0
[  336.273869]  ? pmd_devmap_trans_unstable+0x220/0x220
[  336.278989]  ? mark_held_locks+0x130/0x130
[  336.283268]  ? mark_held_locks+0x130/0x130
[  336.287528]  ? kasan_check_read+0x11/0x20
[  336.291694]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.297774]  __handle_mm_fault+0x307c/0x5920
[  336.302223]  ? perf_trace_lock+0x7a0/0x7a0
[  336.306486]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  336.311354]  ? __switch_to_asm+0x34/0x70
[  336.315427]  ? __switch_to_asm+0x34/0x70
[  336.319513]  ? zap_class+0x640/0x640
[  336.323251]  ? zap_class+0x640/0x640
[  336.326977]  ? __x64_sys_futex+0x53e/0x6a0
[  336.331253]  ? find_held_lock+0x36/0x1c0
[  336.335341]  ? handle_mm_fault+0x42a/0xc70
[  336.339592]  ? lock_downgrade+0x900/0x900
[  336.343753]  ? check_preemption_disabled+0x48/0x280
[  336.348789]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  336.353733]  ? kasan_check_read+0x11/0x20
[  336.357897]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.363212]  ? rcu_softirq_qs+0x20/0x20
[  336.367245]  ? trace_hardirqs_off_caller+0x310/0x310
[  336.372364]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.377915]  ? check_preemption_disabled+0x48/0x280
[  336.382962]  handle_mm_fault+0x54f/0xc70
[  336.387076]  ? __handle_mm_fault+0x5920/0x5920
[  336.391677]  ? find_vma+0x34/0x190
[  336.395262]  __do_page_fault+0x5e8/0xe60
[  336.399335]  ? trace_hardirqs_off+0xb8/0x310
[  336.403772]  do_page_fault+0xf2/0x7e0
[  336.407591]  ? vmalloc_sync_all+0x30/0x30
[  336.411762]  ? error_entry+0x70/0xd0
[  336.415492]  ? trace_hardirqs_off_caller+0xbb/0x310
[  336.420524]  ? trace_hardirqs_on_caller+0xc0/0x310
[  336.425468]  ? syscall_return_slowpath+0x5e0/0x5e0
[  336.430940]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.435808]  ? trace_hardirqs_on_caller+0x310/0x310
[  336.440845]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  336.446321]  ? prepare_exit_to_usermode+0x291/0x3b0
[  336.451355]  ? page_fault+0x8/0x30
[  336.454916]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.459788]  ? page_fault+0x8/0x30
[  336.463350]  page_fault+0x1e/0x30
[  336.466816] RIP: 0033:0x40f9c0
[  336.470034] Code: Bad RIP value.
[  336.473412] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  336.478788] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  336.486065] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  336.493431] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  336.500820] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  336.508105] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  336.515419] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  336.515484] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  336.522461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  336.522466] Call Trace:
[  336.522473]  <IRQ>
[  336.522494]  dump_stack+0x244/0x39d
[  336.522511]  ? dump_stack_print_info.cold.1+0x20/0x20
[  336.529250] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  336.538519]  warn_alloc.cold.117+0xb7/0x1bd
[  336.541089] syz-fuzzer cpuset=
[  336.543257]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  336.546868] /
[  336.552069]  ? lock_downgrade+0x900/0x900
[  336.562288]  mems_allowed=0
[  336.566618]  ? trace_hardirqs_off+0xb8/0x310
[  336.587895]  ? trace_hardirqs_off+0xb8/0x310
[  336.592332]  __alloc_pages_slowpath+0x2660/0x2d70
[  336.597247]  ? warn_alloc+0x120/0x120
[  336.601143]  ? warn_alloc+0x120/0x120
[  336.604962]  ? print_usage_bug+0xc0/0xc0
[  336.609043]  ? warn_alloc+0x120/0x120
[  336.612863]  ? print_usage_bug+0xc0/0xc0
[  336.616940]  ? __lock_acquire+0x62f/0x4c20
[  336.621215]  ? __lock_acquire+0x62f/0x4c20
[  336.625478]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.631030]  ? should_fail+0x22d/0xd01
[  336.634933]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.640054]  ? __lock_acquire+0x62f/0x4c20
[  336.644310]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.649426]  ? __lock_acquire+0x62f/0x4c20
[  336.653674]  ? should_fail+0x22d/0xd01
[  336.657574]  ? find_held_lock+0x36/0x1c0
[  336.661657]  ? mark_held_locks+0x130/0x130
[  336.665912]  ? mark_held_locks+0x130/0x130
[  336.670164]  ? zap_class+0x640/0x640
[  336.673921]  ? zap_class+0x640/0x640
[  336.677656]  ? print_usage_bug+0xc0/0xc0
[  336.681730]  ? do_raw_spin_unlock+0xa7/0x330
[  336.686242]  ? zap_class+0x640/0x640
[  336.689969]  ? print_usage_bug+0xc0/0xc0
[  336.694045]  ? wq_watchdog_touch+0x9c/0xfe
[  336.698301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.703855]  ? check_preemption_disabled+0x48/0x280
[  336.708895]  ? __lock_is_held+0xb5/0x140
[  336.712989]  __alloc_pages_nodemask+0xa80/0xde0
[  336.717672]  ? zap_class+0x640/0x640
[  336.721409]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  336.726462]  ? find_held_lock+0x36/0x1c0
[  336.730553]  ? ____cache_alloc_node+0x1c7/0x1e0
[  336.735258]  ? lock_downgrade+0x900/0x900
[  336.739430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.744994]  cache_grow_begin+0xa5/0x8c0
[  336.749074]  ? do_raw_spin_unlock+0xa7/0x330
[  336.753508]  fallback_alloc+0x204/0x2e0
[  336.757571]  ____cache_alloc_node+0x1c7/0x1e0
[  336.762090]  kmem_cache_alloc_node+0xe3/0x730
[  336.766725]  ? ipv6_get_ifaddr+0x42e/0x620
[  336.770985]  __alloc_skb+0x119/0x770
[  336.774716]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.780011]  ? netdev_alloc_frag+0x1f0/0x1f0
[  336.784440]  ? lock_downgrade+0x900/0x900
[  336.788619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.794174]  ? refcount_sub_and_test_checked+0x203/0x310
[  336.799670]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  336.805223]  ? addrconf_rs_timer+0x690/0x690
[  336.809665]  ndisc_alloc_skb+0x144/0x340
[  336.813749]  ndisc_send_rs+0x331/0x6e0
[  336.817659]  addrconf_rs_timer+0x314/0x690
[  336.821915]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.826211]  call_timer_fn+0x272/0x920
[  336.830132]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.834407]  ? process_timeout+0x40/0x40
[  336.838504]  ? __run_timers+0x7da/0xc70
[  336.842500]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.847016]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.851614]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.855874]  ? lockdep_hardirqs_on+0x296/0x5b0
[  336.860484]  ? trace_hardirqs_on+0xbd/0x310
[  336.864833]  ? kasan_check_read+0x11/0x20
[  336.869002]  ? __run_timers+0x7da/0xc70
[  336.873004]  ? trace_hardirqs_off_caller+0x310/0x310
[  336.878253]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.882514]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.886774]  __run_timers+0x7e5/0xc70
[  336.890614]  ? timer_fixup_init+0x70/0x70
[  336.894847]  ? kasan_check_read+0x11/0x20
[  336.899031]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  336.904579]  ? rcu_softirq_qs+0x20/0x20
[  336.908618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.914218]  ? check_preemption_disabled+0x48/0x280
[  336.919288]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  336.924073]  ? retint_kernel+0x2d/0x2d
[  336.927979]  ? trace_hardirqs_on_caller+0xc0/0x310
[  336.932928]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  336.937711]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  336.943180]  ? zap_class+0x640/0x640
[  336.946943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.952495]  ? check_preemption_disabled+0x48/0x280
[  336.957559]  ? __lock_is_held+0xb5/0x140
[  336.961644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.967279]  ? check_preemption_disabled+0x48/0x280
[  336.972465]  run_timer_softirq+0x52/0xb0
[  336.976541]  ? rcu_read_lock_sched_held+0x14f/0x180
[  336.981571]  __do_softirq+0x308/0xb7e
[  336.985488]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  336.989995]  ? lock_downgrade+0x900/0x900
[  336.994165]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  336.999315]  ? pvclock_read_flags+0x160/0x160
[  337.003829]  ? lapic_next_event+0x5a/0x90
[  337.007994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.013642]  ? kvm_clock_read+0x18/0x30
[  337.017632]  ? kvm_sched_clock_read+0x9/0x20
[  337.022060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.027643]  ? check_preemption_disabled+0x48/0x280
[  337.032698]  irq_exit+0x17f/0x1c0
[  337.036171]  smp_apic_timer_interrupt+0x1cb/0x760
[  337.041053]  ? smp_call_function_single_interrupt+0x159/0x650
[  337.046953]  ? smp_call_function_single_interrupt+0x650/0x650
[  337.052858]  ? interrupt_entry+0xb5/0xc0
[  337.056941]  ? trace_hardirqs_off_caller+0xbb/0x310
[  337.061969]  ? trace_hardirqs_off_caller+0xbb/0x310
[  337.067004]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.071861]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.076889]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.081917]  ? task_prio+0x50/0x50
[  337.085481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.091036]  ? check_preemption_disabled+0x48/0x280
[  337.096076]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.100949]  apic_timer_interrupt+0xf/0x20
[  337.105215]  </IRQ>
[  337.107538] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  337.112485] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  337.131408] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  337.139249] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  337.146539] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  337.153824] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  337.161116] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  337.168399] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  337.175732]  skb_clone+0x1bb/0x500
[  337.179289]  ? skb_split+0x11e0/0x11e0
[  337.183218]  ? check_preemption_disabled+0x48/0x280
[  337.188261]  ? __this_cpu_preempt_check+0x1c/0x20
[  337.193121]  ? __bpf_redirect+0x54b/0xb20
[  337.197299]  bpf_clone_redirect+0xb9/0x490
[  337.201563]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  337.206601]  ? __sched_text_start+0x8/0x8
[  337.210765]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  337.215543]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  337.220143]  ? retint_kernel+0x2d/0x2d
[  337.224049]  ? find_held_lock+0x36/0x1c0
[  337.228132]  ? lock_acquire+0x1ed/0x520
[  337.232119]  ? bpf_test_run+0x3cb/0x780
[  337.236116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.241676]  ? check_preemption_disabled+0x48/0x280
[  337.246722]  ? kasan_check_read+0x11/0x20
[  337.250888]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  337.256181]  ? rcu_softirq_qs+0x20/0x20
[  337.260222]  ? preempt_schedule+0x4d/0x60
[  337.264389]  ? ___preempt_schedule+0x16/0x18
[  337.268892]  ? bpf_test_run+0x25d/0x780
[  337.272939]  ? netlink_diag_dump+0x2a0/0x2a0
[  337.277369]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  337.282928]  ? bpf_test_init.isra.10+0x70/0x100
[  337.287703]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  337.292487]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  337.297351]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  337.303427]  ? fput+0x130/0x1a0
[  337.306728]  ? __bpf_prog_get+0x9b/0x290
[  337.310810]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  337.315666]  ? bpf_prog_test_run+0x130/0x1a0
[  337.320097]  ? __x64_sys_bpf+0x3d8/0x520
[  337.324174]  ? bpf_prog_get+0x20/0x20
[  337.328038]  ? do_syscall_64+0x1b9/0x820
[  337.332114]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  337.337497]  ? syscall_return_slowpath+0x5e0/0x5e0
[  337.342440]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.347309]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.352350]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  337.357385]  ? prepare_exit_to_usermode+0x291/0x3b0
[  337.362493]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.367363]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  337.372758] warn_alloc_show_mem: 1 callbacks suppressed
[  337.372770] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  337.372772] Mem-Info:
[  337.372803] active_anon:56297 inactive_anon:436 isolated_anon:0
[  337.372803]  active_file:15 inactive_file:14 isolated_file:0
[  337.372803]  unevictable:0 dirty:0 writeback:0 unstable:0
[  337.372803]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  337.372803]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  337.372803]  free:13786 free_pcp:429 free_cma:0
[  337.378154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  337.384838] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  337.387285] Call Trace:
[  337.420354] Node 0 
[  337.429723]  <IRQ>
[  337.457605] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  337.460183]  dump_stack+0x244/0x39d
[  337.462427] lowmem_reserve[]:
[  337.464589]  ? dump_stack_print_info.cold.1+0x20/0x20
[  337.490225]  0 2818
[  337.493900]  warn_alloc.cold.117+0xb7/0x1bd
[  337.496976]  6321 6321
[  337.502215]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  337.508778]  ? lock_downgrade+0x900/0x900
[  337.511264] Node 0 
[  337.516129]  ? trace_hardirqs_off+0xb8/0x310
[  337.520286] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  337.522509]  ? trace_hardirqs_off+0xb8/0x310
[  337.526903] lowmem_reserve[]:
[  337.553820]  __alloc_pages_slowpath+0x2660/0x2d70
[  337.558236]  0
[  337.561381]  ? warn_alloc+0x120/0x120
[  337.566213]  0 3503
[  337.568048]  ? warn_alloc+0x120/0x120
[  337.571827]  3503
[  337.574073]  ? print_usage_bug+0xc0/0xc0
[  337.577975] Node 0 
[  337.580049]  ? warn_alloc+0x120/0x120
[  337.584128] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  337.586349]  ? print_usage_bug+0xc0/0xc0
[  337.590140] lowmem_reserve[]:
[  337.618684]  ? __lock_acquire+0x62f/0x4c20
[  337.622738]  0
[  337.625857]  ? __lock_acquire+0x62f/0x4c20
[  337.630076]  0 0
[  337.631897]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  337.636174]  0
[  337.638217]  ? should_fail+0x22d/0xd01
[  337.643747] Node 0 
[  337.645565]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  337.649428] DMA: 1*4kB 
[  337.651685]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  337.656951] (U) 
[  337.659556]  ? __lock_acquire+0x62f/0x4c20
[  337.664719] 0*8kB 
[  337.666712]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  337.670938] 0*16kB 
[  337.673102]  ? __lock_acquire+0x62f/0x4c20
[  337.678217] 1*32kB 
[  337.680469]  ? should_fail+0x22d/0xd01
[  337.684694] (U) 
[  337.686945]  ? rcu_irq_exit+0x1a2/0x390
[  337.690818] 2*64kB 
[  337.692813]  ? mark_held_locks+0x130/0x130
[  337.696761] (U) 
[  337.699011]  ? mark_held_locks+0x130/0x130
[  337.703252] 1*128kB 
[  337.705261]  ? mark_held_locks+0xc7/0x130
[  337.709481] (U) 
[  337.711821]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  337.715959] 1*256kB (U) 
[  337.718002]  ? zap_class+0x640/0x640
[  337.723011] 0*512kB 
[  337.725712]  ? print_usage_bug+0xc0/0xc0
[  337.729412] 1*1024kB 
[  337.731750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.735796] (U) 
[  337.738243]  ? check_preemption_disabled+0x48/0x280
[  337.743770] 1*2048kB 
[  337.745766]  ? __lock_is_held+0xb5/0x140
[  337.750760] (M) 
[  337.753187]  __alloc_pages_nodemask+0xa80/0xde0
[  337.757258] 3*4096kB 
[  337.759260]  ? zap_class+0x640/0x640
[  337.763915] (M) 
[  337.766345]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  337.770101] = 15908kB
[  337.770110] Node 0 
[  337.772108]  ? find_held_lock+0x36/0x1c0
[  337.777163] DMA32: 
[  337.779591]  ? ____cache_alloc_node+0x1c7/0x1e0
[  337.781867] 5*4kB 
[  337.785940]  ? lock_downgrade+0x900/0x900
[  337.788166] (UM) 
[  337.792966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.795098] 1*8kB 
[  337.799263]  cache_grow_begin+0xa5/0x8c0
[  337.801310] (U) 
[  337.806859]  ? do_raw_spin_unlock+0xa7/0x330
[  337.808998] 2*16kB 
[  337.813069]  fallback_alloc+0x204/0x2e0
[  337.815057] (M) 
[  337.819477]  ____cache_alloc_node+0x1c7/0x1e0
[  337.821707] 1*32kB 
[  337.825700]  kmem_cache_alloc_node+0xe3/0x730
[  337.827660] (M) 
[  337.832358]  ? ipv6_get_ifaddr+0x42e/0x620
[  337.834588] 3*64kB 
[  337.839108]  __alloc_skb+0x119/0x770
[  337.841071] (M) 
[  337.845334]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  337.847558] 5*128kB 
[  337.851283]  ? netdev_alloc_frag+0x1f0/0x1f0
[  337.853245] (UM) 
[  337.858535]  ? lock_downgrade+0x900/0x900
[  337.860850] 3*256kB 
[  337.865268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.867314] (M) 
[  337.871477]  ? refcount_sub_and_test_checked+0x203/0x310
[  337.873790] 4*512kB 
[  337.879338]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  337.881308] (UM) 
[  337.886907]  ? addrconf_rs_timer+0x690/0x690
[  337.889241] 3*1024kB 
[  337.894773]  ndisc_alloc_skb+0x144/0x340
[  337.896817] (UM) 
[  337.901254]  ndisc_send_rs+0x331/0x6e0
[  337.903649] 3*2048kB (UM) 
[  337.907874]  addrconf_rs_timer+0x314/0x690
[  337.909927] 3*4096kB 
[  337.913830]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.916660] (M) 
[  337.920912]  call_timer_fn+0x272/0x920
[  337.923302] = 25244kB
[  337.927545]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.929510] Node 0 
[  337.933407]  ? process_timeout+0x40/0x40
[  337.935805] Normal: 
[  337.940052]  ? mark_held_locks+0xc7/0x130
[  337.942276] 719*4kB 
[  337.946343]  ? _raw_spin_unlock_irq+0x27/0x80
[  337.948654] (UMEH) 
[  337.952812]  ? _raw_spin_unlock_irq+0x27/0x80
[  337.955124] 258*8kB 
[  337.959624]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.961848] (UME) 
[  337.966350]  ? lockdep_hardirqs_on+0x296/0x5b0
[  337.968662] 197*16kB 
[  337.972902]  ? trace_hardirqs_on+0xbd/0x310
[  337.975042] (UME) 
[  337.979634]  ? kasan_check_read+0x11/0x20
[  337.982031] 98*32kB 
[  337.986451]  ? __run_timers+0x7da/0xc70
[  337.988590] (UME) 
[  337.992747]  ? trace_hardirqs_off_caller+0x310/0x310
[  337.995058] 44*64kB 
[  337.999044]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.001184] (UM) 
[  338.006324]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  338.008634] 0*128kB 
[  338.012878]  __run_timers+0x7e5/0xc70
[  338.014929] 0*256kB 
[  338.019182]  ? timer_fixup_init+0x70/0x70
[  338.021497] 0*512kB 
[  338.025318]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  338.027634] 0*1024kB 
[  338.031788]  ? zap_class+0x640/0x640
[  338.034095] 0*2048kB 0*4096kB 
[  338.039263]  ? print_usage_bug+0xc0/0xc0
[  338.041662] = 14044kB
[  338.045381]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  338.048570] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  338.052637]  ? find_held_lock+0x36/0x1c0
[  338.055040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  338.060259]  ? zap_class+0x640/0x640
[  338.069091] 4793 total pagecache pages
[  338.073171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.081849] 0 pages in swap cache
[  338.085574]  ? check_preemption_disabled+0x48/0x280
[  338.089447] Swap cache stats: add 0, delete 0, find 0/0
[  338.089457] Free swap  = 0kB
[  338.095008]  ? __lock_is_held+0xb5/0x140
[  338.098591] Total swap = 0kB
[  338.103621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.108974] 1965979 pages RAM
[  338.112008]  ? check_preemption_disabled+0x48/0x280
[  338.116056] 0 pages HighMem/MovableOnly
[  338.119084]  run_timer_softirq+0x52/0xb0
[  338.124606] 342867 pages reserved
[  338.124614] 0 pages cma reserved
[  338.127737]  ? rcu_read_lock_sched_held+0x14f/0x180
[  338.132823] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  338.136727]  __do_softirq+0x308/0xb7e
[  338.136747]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  338.136765]  ? lock_downgrade+0x900/0x900
[  338.140877] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  338.144284]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  338.147648] syz-executor4 cpuset=
[  338.152683]  ? pvclock_read_flags+0x160/0x160
[  338.159773] syz4
[  338.163609]  ? lapic_next_event+0x5a/0x90
[  338.168216]  mems_allowed=0
[  338.172370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.210593]  ? kvm_clock_read+0x18/0x30
[  338.214583]  ? kvm_sched_clock_read+0x9/0x20
[  338.219010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.224564]  ? check_preemption_disabled+0x48/0x280
[  338.229603]  irq_exit+0x17f/0x1c0
[  338.233076]  smp_apic_timer_interrupt+0x1cb/0x760
[  338.237929]  ? smp_reschedule_interrupt+0x109/0x650
[  338.243018]  ? smp_call_function_single_interrupt+0x650/0x650
[  338.248919]  ? interrupt_entry+0xb5/0xc0
[  338.253002]  ? trace_hardirqs_off_caller+0xbb/0x310
[  338.258035]  ? trace_hardirqs_off_caller+0xbb/0x310
[  338.263068]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  338.267929]  ? trace_hardirqs_on_caller+0x310/0x310
[  338.272967]  ? trace_hardirqs_on_caller+0x310/0x310
[  338.277997]  ? task_prio+0x50/0x50
[  338.281553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.287110]  ? check_preemption_disabled+0x48/0x280
[  338.292149]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  338.297017]  apic_timer_interrupt+0xf/0x20
[  338.301261]  </IRQ>
[  338.303575] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  338.308784] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  338.327798] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  338.335533] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  338.342816] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  338.350102] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  338.357390] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  338.364678] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  338.372015]  retint_kernel+0x1b/0x2d
[  338.375750] RIP: 0010:dump_stack+0x358/0x39d
[  338.380176] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  338.399117] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  338.406842] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  338.414122] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  338.421405] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  338.428697] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  338.436577] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  338.443883]  ? dump_stack+0x34f/0x39d
[  338.447777]  ? dump_stack_print_info.cold.1+0x20/0x20
[  338.452999]  dump_header+0x27b/0xf72
[  338.456739]  ? mark_held_locks+0x130/0x130
[  338.460996]  ? pagefault_out_of_memory+0x197/0x197
[  338.465955]  ? __lock_acquire+0x62f/0x4c20
[  338.470254]  ? zap_class+0x640/0x640
[  338.473990]  ? percpu_ref_get_many+0x240/0x240
[  338.478587]  ? print_usage_bug+0xc0/0xc0
[  338.482664]  ? print_usage_bug+0xc0/0xc0
[  338.486744]  ? zap_class+0x640/0x640
[  338.490481]  ? print_usage_bug+0xc0/0xc0
[  338.494559]  ? print_usage_bug+0xc0/0xc0
[  338.498673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.504252]  ? find_held_lock+0x36/0x1c0
[  338.508342]  ? mark_held_locks+0xc7/0x130
[  338.512514]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  338.517642]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  338.522766]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  338.527368]  ? trace_hardirqs_on+0xbd/0x310
[  338.531729]  ? kasan_check_read+0x11/0x20
[  338.535888]  ? ___ratelimit+0x3b4/0x672
[  338.539894]  ? trace_hardirqs_off_caller+0x310/0x310
[  338.545037]  ? trace_hardirqs_on+0x310/0x310
[  338.549463]  ? lock_downgrade+0x900/0x900
[  338.553638]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  338.558756]  ? ___ratelimit+0x3b9/0x672
[  338.562748]  ? idr_get_free+0xec0/0xec0
[  338.566750]  ? find_held_lock+0x36/0x1c0
[  338.570835]  oom_kill_process.cold.27+0x10/0x903
[  338.575612]  ? zap_class+0x640/0x640
[  338.579354]  ? check_preemption_disabled+0x48/0x280
[  338.584394]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  338.589338]  ? kasan_check_read+0x11/0x20
[  338.593523]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  338.598819]  ? oom_evaluate_task+0x540/0x540
[  338.603336]  ? find_held_lock+0x36/0x1c0
[  338.607424]  ? out_of_memory+0x974/0x1430
[  338.611685]  ? lock_downgrade+0x900/0x900
[  338.615850]  ? check_preemption_disabled+0x48/0x280
[  338.620886]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  338.625830]  ? kasan_check_read+0x11/0x20
[  338.629995]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  338.635287]  ? rcu_softirq_qs+0x20/0x20
[  338.639315]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.644878]  ? oom_evaluate_task+0x302/0x540
[  338.649306]  out_of_memory+0xa84/0x1430
[  338.653316]  ? oom_killer_disable+0x3a0/0x3a0
[  338.657829]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  338.662778]  ? __mutex_add_waiter+0x2a0/0x2a0
[  338.667308]  __alloc_pages_slowpath+0x22d4/0x2d70
[  338.672222]  ? warn_alloc+0x120/0x120
[  338.676037]  ? rcu_softirq_qs+0x20/0x20
[  338.680057]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.685676]  ? should_fail+0x22d/0xd01
[  338.689586]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  338.694705]  ? zap_class+0x640/0x640
[  338.698462]  ? __lock_is_held+0xb5/0x140
[  338.702552]  ? mark_held_locks+0x130/0x130
[  338.706865]  ? lock_release+0xa00/0xa00
[  338.710856]  ? perf_trace_sched_process_exec+0x860/0x860
[  338.716335]  ? __might_sleep+0x95/0x190
[  338.720389]  __alloc_pages_nodemask+0xa80/0xde0
[  338.725081]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  338.730115]  ? __page_cache_alloc+0x191/0x5c0
[  338.734625]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  338.739571]  ? kasan_check_read+0x11/0x20
[  338.743733]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  338.749030]  ? zap_class+0x640/0x640
[  338.752765]  ? zap_class+0x640/0x640
[  338.756493]  ? zap_class+0x640/0x640
[  338.760242]  ? __do_page_cache_readahead+0x7ce/0x980
[  338.765363]  ? find_held_lock+0x36/0x1c0
[  338.769445]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  338.775091]  alloc_pages_current+0x173/0x350
[  338.779522]  __page_cache_alloc+0x38c/0x5c0
[  338.783861]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  338.788808]  ? kasan_check_read+0x11/0x20
[  338.793046]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  338.798344]  ? generic_perform_write+0x6a0/0x6a0
[  338.803118]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.808672]  ? check_preemption_disabled+0x48/0x280
[  338.813711]  filemap_fault+0x1594/0x25f0
[  338.817804]  ? __lock_page_or_retry+0xa00/0xa00
[  338.822493]  ? mark_held_locks+0x130/0x130
[  338.826748]  ? rcu_softirq_qs+0x20/0x20
[  338.830751]  ? filemap_map_pages+0xe04/0x1990
[  338.835274]  ? __free_object+0x173/0x340
[  338.839353]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  338.844320]  ? trace_hardirqs_off_caller+0x310/0x310
[  338.849438]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  338.854132]  ? debug_object_free+0x32d/0x690
[  338.858558]  ? kasan_check_read+0x11/0x20
[  338.862723]  ? debug_object_destroy+0x2b0/0x2b0
[  338.867417]  ? lock_pi_update_atomic+0x150/0x150
[  338.872187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.877852]  ? __hrtimer_init+0xdb/0x240
[  338.881943]  ? lock_acquire+0x1ed/0x520
[  338.886002]  ? ext4_filemap_fault+0x7a/0xad
[  338.890458]  ? lock_release+0xa00/0xa00
[  338.894559]  ? perf_trace_sched_process_exec+0x860/0x860
[  338.900026]  ? print_usage_bug+0xc0/0xc0
[  338.904105]  ? print_usage_bug+0xc0/0xc0
[  338.908215]  ? down_read+0x8d/0x120
[  338.911854]  ? ext4_filemap_fault+0x7a/0xad
[  338.916218]  ? __down_interruptible+0x700/0x700
[  338.920917]  ext4_filemap_fault+0x82/0xad
[  338.925087]  __do_fault+0x100/0x6b0
[  338.928729]  ? find_held_lock+0x36/0x1c0
[  338.932806]  ? pmd_devmap_trans_unstable+0x220/0x220
[  338.937926]  ? mark_held_locks+0x130/0x130
[  338.942278]  ? mark_held_locks+0x130/0x130
[  338.946538]  ? kasan_check_read+0x11/0x20
[  338.950699]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.956401]  __handle_mm_fault+0x307c/0x5920
[  338.960826]  ? perf_trace_lock+0x7a0/0x7a0
[  338.965082]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  338.969947]  ? __switch_to_asm+0x34/0x70
[  338.974029]  ? __switch_to_asm+0x34/0x70
[  338.978124]  ? zap_class+0x640/0x640
[  338.981853]  ? zap_class+0x640/0x640
[  338.985581]  ? __x64_sys_futex+0x53e/0x6a0
[  338.989833]  ? find_held_lock+0x36/0x1c0
[  338.993920]  ? handle_mm_fault+0x42a/0xc70
[  338.998174]  ? lock_downgrade+0x900/0x900
[  339.002360]  ? check_preemption_disabled+0x48/0x280
[  339.007399]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  339.012342]  ? kasan_check_read+0x11/0x20
[  339.016505]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  339.021801]  ? rcu_softirq_qs+0x20/0x20
[  339.025786]  ? trace_hardirqs_off_caller+0x310/0x310
[  339.031045]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.036599]  ? check_preemption_disabled+0x48/0x280
[  339.041637]  handle_mm_fault+0x54f/0xc70
[  339.045715]  ? __handle_mm_fault+0x5920/0x5920
[  339.050317]  ? find_vma+0x34/0x190
[  339.053879]  __do_page_fault+0x5e8/0xe60
[  339.057957]  ? trace_hardirqs_off+0xb8/0x310
[  339.062392]  do_page_fault+0xf2/0x7e0
[  339.066234]  ? vmalloc_sync_all+0x30/0x30
[  339.070403]  ? error_entry+0x70/0xd0
[  339.074131]  ? trace_hardirqs_off_caller+0xbb/0x310
[  339.079157]  ? trace_hardirqs_on_caller+0xc0/0x310
[  339.084122]  ? syscall_return_slowpath+0x5e0/0x5e0
[  339.089068]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.093962]  ? trace_hardirqs_on_caller+0x310/0x310
[  339.098992]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  339.104599]  ? prepare_exit_to_usermode+0x291/0x3b0
[  339.109632]  ? page_fault+0x8/0x30
[  339.113188]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.118073]  ? page_fault+0x8/0x30
[  339.121632]  page_fault+0x1e/0x30
[  339.125096] RIP: 0033:0x40f9c0
[  339.128317] Code: Bad RIP value.
[  339.131691] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  339.137071] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  339.144373] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  339.151658] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  339.158936] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  339.166240] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  339.173550] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  339.173616] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  339.180579] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  339.180584] Call Trace:
[  339.180591]  <IRQ>
[  339.180609]  dump_stack+0x244/0x39d
[  339.180627]  ? dump_stack_print_info.cold.1+0x20/0x20
[  339.187231] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  339.196522]  warn_alloc.cold.117+0xb7/0x1bd
[  339.199085] syz-fuzzer cpuset=
[  339.201260]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  339.204882] /
[  339.210147]  ? lock_downgrade+0x900/0x900
[  339.220365]  mems_allowed=0
[  339.224697]  ? trace_hardirqs_off+0xb8/0x310
[  339.245923]  ? trace_hardirqs_off+0xb8/0x310
[  339.250355]  __alloc_pages_slowpath+0x2660/0x2d70
[  339.255261]  ? warn_alloc+0x120/0x120
[  339.259087]  ? warn_alloc+0x120/0x120
[  339.262905]  ? print_usage_bug+0xc0/0xc0
[  339.266980]  ? warn_alloc+0x120/0x120
[  339.270797]  ? print_usage_bug+0xc0/0xc0
[  339.274872]  ? __lock_acquire+0x62f/0x4c20
[  339.279183]  ? __lock_acquire+0x62f/0x4c20
[  339.283470]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.289018]  ? should_fail+0x22d/0xd01
[  339.292923]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  339.298303]  ? __lock_acquire+0x62f/0x4c20
[  339.302554]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  339.307673]  ? __lock_acquire+0x62f/0x4c20
[  339.311916]  ? should_fail+0x22d/0xd01
[  339.315817]  ? find_held_lock+0x36/0x1c0
[  339.319902]  ? mark_held_locks+0x130/0x130
[  339.324154]  ? mark_held_locks+0x130/0x130
[  339.328403]  ? zap_class+0x640/0x640
[  339.332133]  ? zap_class+0x640/0x640
[  339.335861]  ? print_usage_bug+0xc0/0xc0
[  339.339932]  ? do_raw_spin_unlock+0xa7/0x330
[  339.344355]  ? zap_class+0x640/0x640
[  339.348082]  ? print_usage_bug+0xc0/0xc0
[  339.352160]  ? wq_watchdog_touch+0x9c/0xfe
[  339.356439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.361994]  ? check_preemption_disabled+0x48/0x280
[  339.367034]  ? __lock_is_held+0xb5/0x140
[  339.371117]  __alloc_pages_nodemask+0xa80/0xde0
[  339.375800]  ? zap_class+0x640/0x640
[  339.379535]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  339.384581]  ? find_held_lock+0x36/0x1c0
[  339.388669]  ? ____cache_alloc_node+0x1c7/0x1e0
[  339.393358]  ? lock_downgrade+0x900/0x900
[  339.397543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.403160]  cache_grow_begin+0xa5/0x8c0
[  339.407261]  ? do_raw_spin_unlock+0xa7/0x330
[  339.411755]  fallback_alloc+0x204/0x2e0
[  339.415751]  ____cache_alloc_node+0x1c7/0x1e0
[  339.420271]  kmem_cache_alloc_node+0xe3/0x730
[  339.424778]  ? ipv6_get_ifaddr+0x42e/0x620
[  339.429039]  __alloc_skb+0x119/0x770
[  339.432773]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  339.438262]  ? netdev_alloc_frag+0x1f0/0x1f0
[  339.442721]  ? lock_downgrade+0x900/0x900
[  339.446895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.452448]  ? refcount_sub_and_test_checked+0x203/0x310
[  339.457925]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  339.463392]  ? addrconf_rs_timer+0x690/0x690
[  339.467832]  ndisc_alloc_skb+0x144/0x340
[  339.471914]  ndisc_send_rs+0x331/0x6e0
[  339.475824]  addrconf_rs_timer+0x314/0x690
[  339.480078]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.484348]  call_timer_fn+0x272/0x920
[  339.488256]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.492506]  ? process_timeout+0x40/0x40
[  339.496591]  ? __run_timers+0x7da/0xc70
[  339.500588]  ? _raw_spin_unlock_irq+0x27/0x80
[  339.505103]  ? _raw_spin_unlock_irq+0x27/0x80
[  339.509646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.513897]  ? lockdep_hardirqs_on+0x296/0x5b0
[  339.518495]  ? trace_hardirqs_on+0xbd/0x310
[  339.522832]  ? kasan_check_read+0x11/0x20
[  339.527084]  ? __run_timers+0x7da/0xc70
[  339.531081]  ? trace_hardirqs_off_caller+0x310/0x310
[  339.536235]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.540495]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.544749]  __run_timers+0x7e5/0xc70
[  339.548580]  ? timer_fixup_init+0x70/0x70
[  339.552747]  ? kasan_check_read+0x11/0x20
[  339.556910]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  339.562234]  ? rcu_softirq_qs+0x20/0x20
[  339.566250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.571801]  ? check_preemption_disabled+0x48/0x280
[  339.576844]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  339.581622]  ? retint_kernel+0x2d/0x2d
[  339.585524]  ? trace_hardirqs_on_caller+0xc0/0x310
[  339.590476]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  339.595262]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  339.600728]  ? zap_class+0x640/0x640
[  339.604467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.610023]  ? check_preemption_disabled+0x48/0x280
[  339.615155]  ? __lock_is_held+0xb5/0x140
[  339.619322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.624877]  ? check_preemption_disabled+0x48/0x280
[  339.629919]  run_timer_softirq+0x52/0xb0
[  339.633998]  ? rcu_read_lock_sched_held+0x14f/0x180
[  339.639035]  __do_softirq+0x308/0xb7e
[  339.642855]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  339.647393]  ? lock_downgrade+0x900/0x900
[  339.651564]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  339.656695]  ? pvclock_read_flags+0x160/0x160
[  339.661302]  ? lapic_next_event+0x5a/0x90
[  339.665477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.671040]  ? kvm_clock_read+0x18/0x30
[  339.675033]  ? kvm_sched_clock_read+0x9/0x20
[  339.679644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.685225]  ? check_preemption_disabled+0x48/0x280
[  339.690291]  irq_exit+0x17f/0x1c0
[  339.693767]  smp_apic_timer_interrupt+0x1cb/0x760
[  339.698622]  ? smp_call_function_single_interrupt+0x159/0x650
[  339.704522]  ? smp_call_function_single_interrupt+0x650/0x650
[  339.710427]  ? interrupt_entry+0xb5/0xc0
[  339.714512]  ? trace_hardirqs_off_caller+0xbb/0x310
[  339.719542]  ? trace_hardirqs_off_caller+0xbb/0x310
[  339.724584]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.729448]  ? trace_hardirqs_on_caller+0x310/0x310
[  339.734489]  ? trace_hardirqs_on_caller+0x310/0x310
[  339.739526]  ? task_prio+0x50/0x50
[  339.743146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.748706]  ? check_preemption_disabled+0x48/0x280
[  339.753750]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.758620]  apic_timer_interrupt+0xf/0x20
[  339.762861]  </IRQ>
[  339.765120] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  339.770068] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  339.788994] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  339.796726] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  339.804019] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  339.811301] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  339.818585] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  339.825959] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  339.833305]  skb_clone+0x1bb/0x500
[  339.836866]  ? skb_split+0x11e0/0x11e0
[  339.840771]  ? check_preemption_disabled+0x48/0x280
[  339.845807]  ? __this_cpu_preempt_check+0x1c/0x20
[  339.850668]  ? __bpf_redirect+0x54b/0xb20
[  339.854845]  bpf_clone_redirect+0xb9/0x490
[  339.859107]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  339.864176]  ? __sched_text_start+0x8/0x8
[  339.868363]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  339.873138]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  339.877742]  ? retint_kernel+0x2d/0x2d
[  339.881654]  ? find_held_lock+0x36/0x1c0
[  339.885739]  ? lock_acquire+0x1ed/0x520
[  339.889726]  ? bpf_test_run+0x3cb/0x780
[  339.893720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.899276]  ? check_preemption_disabled+0x48/0x280
[  339.904383]  ? kasan_check_read+0x11/0x20
[  339.908553]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  339.913915]  ? rcu_softirq_qs+0x20/0x20
[  339.917999]  ? preempt_schedule+0x4d/0x60
[  339.922212]  ? ___preempt_schedule+0x16/0x18
[  339.926652]  ? bpf_test_run+0x25d/0x780
[  339.930659]  ? netlink_diag_dump+0x2a0/0x2a0
[  339.935093]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.940652]  ? bpf_test_init.isra.10+0x70/0x100
[  339.945349]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  339.950154]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  339.955016]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  339.960576]  ? fput+0x130/0x1a0
[  339.963874]  ? __bpf_prog_get+0x9b/0x290
[  339.967957]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  339.972815]  ? bpf_prog_test_run+0x130/0x1a0
[  339.977262]  ? __x64_sys_bpf+0x3d8/0x520
[  339.981349]  ? bpf_prog_get+0x20/0x20
[  339.985183]  ? do_syscall_64+0x1b9/0x820
[  339.989291]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  339.994676]  ? syscall_return_slowpath+0x5e0/0x5e0
[  339.999623]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  340.004491]  ? trace_hardirqs_on_caller+0x310/0x310
[  340.009541]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  340.014658]  ? prepare_exit_to_usermode+0x291/0x3b0
[  340.019704]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  340.024576]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  340.029978] warn_alloc_show_mem: 1 callbacks suppressed
[  340.029990] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  340.029992] Mem-Info:
[  340.030023] active_anon:56297 inactive_anon:436 isolated_anon:0
[  340.030023]  active_file:15 inactive_file:14 isolated_file:0
[  340.030023]  unevictable:0 dirty:0 writeback:0 unstable:0
[  340.030023]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  340.030023]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  340.030023]  free:13786 free_pcp:429 free_cma:0
[  340.035386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  340.042079] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  340.044496] Call Trace:
[  340.077479] Node 0 
[  340.086924]  <IRQ>
[  340.114722] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  340.117298]  dump_stack+0x244/0x39d
[  340.119576] lowmem_reserve[]:
[  340.121742]  ? dump_stack_print_info.cold.1+0x20/0x20
[  340.147259]  0 2818
[  340.150932]  warn_alloc.cold.117+0xb7/0x1bd
[  340.154010]  6321
[  340.159229]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  340.161457]  6321
[  340.165792]  ? lock_downgrade+0x900/0x900
[  340.172696]  ? trace_hardirqs_off+0xb8/0x310
[  340.174746] Node 0 
[  340.178913]  ? trace_hardirqs_off+0xb8/0x310
[  340.183333] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  340.185559]  __alloc_pages_slowpath+0x2660/0x2d70
[  340.189944] lowmem_reserve[]: 0
[  340.216719]  ? warn_alloc+0x120/0x120
[  340.221519]  0 3503
[  340.224821]  ? warn_alloc+0x120/0x120
[  340.228609]  3503
[  340.230856]  ? print_usage_bug+0xc0/0xc0
[  340.236721]  ? warn_alloc+0x120/0x120
[  340.240798] Node 0 
[  340.244607]  ? print_usage_bug+0xc0/0xc0
[  340.244639] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  340.244647] lowmem_reserve[]:
[  340.246892]  ? __lock_acquire+0x62f/0x4c20
[  340.250948]  0
[  340.279422]  ? __lock_acquire+0x62f/0x4c20
[  340.282516]  0
[  340.286762]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.288550]  0
[  340.292791]  ? should_fail+0x22d/0xd01
[  340.294582]  0
[  340.300130]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  340.305808]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  340.307600] Node 0 
[  340.312883]  ? __lock_acquire+0x62f/0x4c20
[  340.317976] DMA: 
[  340.320309]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  340.324628] 1*4kB 
[  340.326698]  ? __lock_acquire+0x62f/0x4c20
[  340.331787] (U) 
[  340.333945]  ? should_fail+0x22d/0xd01
[  340.338168] 0*8kB 
[  340.340223]  ? rcu_irq_exit+0x1a2/0x390
[  340.344095] 0*16kB 1*32kB 
[  340.346273]  ? mark_held_locks+0x130/0x130
[  340.350250] (U) 
[  340.353108]  ? mark_held_locks+0x130/0x130
[  340.357356] 2*64kB 
[  340.359343]  ? mark_held_locks+0xc7/0x130
[  340.363568] (U) 
[  340.365817]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  340.369954] 1*128kB (U) 
[  340.371944]  ? zap_class+0x640/0x640
[  340.376953] 1*256kB 
[  340.379665]  ? print_usage_bug+0xc0/0xc0
[  340.383369] (U) 
[  340.385769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.389818] 0*512kB 
[  340.391804]  ? check_preemption_disabled+0x48/0x280
[  340.397478] 1*1024kB (U) 
[  340.399885]  ? __lock_is_held+0xb5/0x140
[  340.404884] 1*2048kB 
[  340.407658]  __alloc_pages_nodemask+0xa80/0xde0
[  340.411701] (M) 
[  340.414118]  ? zap_class+0x640/0x640
[  340.418777] 3*4096kB 
[  340.420781]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  340.424558] (M) 
[  340.427048]  ? find_held_lock+0x36/0x1c0
[  340.432395] = 15908kB
[  340.432404] Node 0 
[  340.434399]  ? ____cache_alloc_node+0x1c7/0x1e0
[  340.438438] DMA32: 
[  340.440860]  ? lock_downgrade+0x900/0x900
[  340.443090] 5*4kB 
[  340.447782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.450006] (UM) 
[  340.454161]  cache_grow_begin+0xa5/0x8c0
[  340.456299] 1*8kB 
[  340.461838]  ? do_raw_spin_unlock+0xa7/0x330
[  340.463893] (U) 
[  340.467976]  fallback_alloc+0x204/0x2e0
[  340.470107] 2*16kB 
[  340.474527]  ____cache_alloc_node+0x1c7/0x1e0
[  340.476491] (M) 
[  340.480485]  kmem_cache_alloc_node+0xe3/0x730
[  340.482709] 1*32kB 
[  340.487235]  ? ipv6_get_ifaddr+0x42e/0x620
[  340.489232] (M) 
[  340.493800]  __alloc_skb+0x119/0x770
[  340.496021] 3*64kB 
[  340.500268]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  340.502247] (M) 
[  340.505974]  ? netdev_alloc_frag+0x1f0/0x1f0
[  340.508222] 5*128kB 
[  340.513507]  ? lock_downgrade+0x900/0x900
[  340.515476] (UM) 
[  340.519974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.522269] 3*256kB 
[  340.526511]  ? refcount_sub_and_test_checked+0x203/0x310
[  340.528559] (M) 
[  340.534105]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  340.536417] 4*512kB 
[  340.541874]  ? addrconf_rs_timer+0x690/0x690
[  340.543841] (UM) 
[  340.549309]  ndisc_alloc_skb+0x144/0x340
[  340.551612] 3*1024kB (UM) 
[  340.556036]  ndisc_send_rs+0x331/0x6e0
[  340.558084] 3*2048kB (UM) 
[  340.562163]  addrconf_rs_timer+0x314/0x690
[  340.564995] 3*4096kB 
[  340.568889]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.571719] (M) 
[  340.575979]  call_timer_fn+0x272/0x920
[  340.578364] = 25244kB
[  340.582605]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.584571] Node 0 
[  340.588468]  ? process_timeout+0x40/0x40
[  340.588492]  ? mark_held_locks+0xc7/0x130
[  340.590890] Normal: 
[  340.595133]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.597359] 719*4kB 
[  340.601428]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.605567] (UMEH) 
[  340.607898]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.612386] 258*8kB 
[  340.614728]  ? lockdep_hardirqs_on+0x296/0x5b0
[  340.619235] (UME) 
[  340.621480]  ? trace_hardirqs_on+0xbd/0x310
[  340.625706] 197*16kB 
[  340.628041]  ? kasan_check_read+0x11/0x20
[  340.632611] (UME) 
[  340.634770]  ? __run_timers+0x7da/0xc70
[  340.639079] 98*32kB 
[  340.641497]  ? trace_hardirqs_off_caller+0x310/0x310
[  340.645637] (UME) 
[  340.647796]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.651753] 44*64kB (UM) 
[  340.654104]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.659223] 0*128kB 
[  340.661390]  __run_timers+0x7e5/0xc70
[  340.665612] 0*256kB 
[  340.668384]  ? timer_fixup_init+0x70/0x70
[  340.672602] 0*512kB 
[  340.674936]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  340.678724] 0*1024kB 
[  340.681059]  ? zap_class+0x640/0x640
[  340.685221] 0*2048kB 
[  340.687552]  ? print_usage_bug+0xc0/0xc0
[  340.692563] 0*4096kB 
[  340.694993]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  340.698753] = 14044kB
[  340.698767] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  340.701222]  ? find_held_lock+0x36/0x1c0
[  340.705276] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  340.707697]  ? zap_class+0x640/0x640
[  340.712876] 4793 total pagecache pages
[  340.715303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.724213] 0 pages in swap cache
[  340.728282]  ? check_preemption_disabled+0x48/0x280
[  340.736846] Swap cache stats: add 0, delete 0, find 0/0
[  340.736855] Free swap  = 0kB
[  340.740590]  ? __lock_is_held+0xb5/0x140
[  340.744469] Total swap = 0kB
[  340.750020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.753468] 1965979 pages RAM
[  340.758496]  ? check_preemption_disabled+0x48/0x280
[  340.763845] 0 pages HighMem/MovableOnly
[  340.763854] 342867 pages reserved
[  340.766884]  run_timer_softirq+0x52/0xb0
[  340.770936] 0 pages cma reserved
[  340.773992]  ? rcu_read_lock_sched_held+0x14f/0x180
[  340.779640] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  340.782695]  __do_softirq+0x308/0xb7e
[  340.787798] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  340.791693]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  340.795459] syz-executor4 cpuset=
[  340.799538]  ? lock_downgrade+0x900/0x900
[  340.802996] syz4
[  340.808031]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  340.814520]  mems_allowed=0
[  340.818330]  ? pvclock_read_flags+0x160/0x160
[  340.855485]  ? lapic_next_event+0x5a/0x90
[  340.859678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.865261]  ? kvm_clock_read+0x18/0x30
[  340.869256]  ? kvm_sched_clock_read+0x9/0x20
[  340.873686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.879261]  ? check_preemption_disabled+0x48/0x280
[  340.884341]  irq_exit+0x17f/0x1c0
[  340.887810]  smp_apic_timer_interrupt+0x1cb/0x760
[  340.892666]  ? smp_reschedule_interrupt+0x109/0x650
[  340.897698]  ? smp_call_function_single_interrupt+0x650/0x650
[  340.903607]  ? interrupt_entry+0xb5/0xc0
[  340.907689]  ? trace_hardirqs_off_caller+0xbb/0x310
[  340.912718]  ? trace_hardirqs_off_caller+0xbb/0x310
[  340.917751]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  340.922610]  ? trace_hardirqs_on_caller+0x310/0x310
[  340.927641]  ? trace_hardirqs_on_caller+0x310/0x310
[  340.932674]  ? task_prio+0x50/0x50
[  340.936252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.941821]  ? check_preemption_disabled+0x48/0x280
[  340.946864]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  340.951739]  apic_timer_interrupt+0xf/0x20
[  340.955987]  </IRQ>
[  340.958255] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  340.963461] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  340.982381] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  340.990107] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  340.997480] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  341.004758] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  341.012052] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  341.019334] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  341.026657]  retint_kernel+0x1b/0x2d
[  341.030390] RIP: 0010:dump_stack+0x358/0x39d
[  341.034816] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  341.053853] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  341.061579] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  341.068859] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  341.076136] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  341.083419] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  341.090699] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  341.098009]  ? dump_stack+0x34f/0x39d
[  341.101870]  ? dump_stack_print_info.cold.1+0x20/0x20
[  341.107089]  dump_header+0x27b/0xf72
[  341.110899]  ? mark_held_locks+0x130/0x130
[  341.115233]  ? pagefault_out_of_memory+0x197/0x197
[  341.120186]  ? __lock_acquire+0x62f/0x4c20
[  341.124462]  ? zap_class+0x640/0x640
[  341.128218]  ? percpu_ref_get_many+0x240/0x240
[  341.132818]  ? print_usage_bug+0xc0/0xc0
[  341.136893]  ? print_usage_bug+0xc0/0xc0
[  341.140980]  ? zap_class+0x640/0x640
[  341.144709]  ? print_usage_bug+0xc0/0xc0
[  341.148787]  ? print_usage_bug+0xc0/0xc0
[  341.152870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.158435]  ? find_held_lock+0x36/0x1c0
[  341.162538]  ? mark_held_locks+0xc7/0x130
[  341.166711]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  341.171826]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  341.176938]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  341.181560]  ? trace_hardirqs_on+0xbd/0x310
[  341.185891]  ? kasan_check_read+0x11/0x20
[  341.190051]  ? ___ratelimit+0x3b4/0x672
[  341.194036]  ? trace_hardirqs_off_caller+0x310/0x310
[  341.199145]  ? trace_hardirqs_on+0x310/0x310
[  341.203596]  ? lock_downgrade+0x900/0x900
[  341.207759]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  341.212868]  ? ___ratelimit+0x3b9/0x672
[  341.216844]  ? idr_get_free+0xec0/0xec0
[  341.220818]  ? find_held_lock+0x36/0x1c0
[  341.224895]  oom_kill_process.cold.27+0x10/0x903
[  341.229654]  ? zap_class+0x640/0x640
[  341.233367]  ? check_preemption_disabled+0x48/0x280
[  341.238394]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  341.243330]  ? kasan_check_read+0x11/0x20
[  341.247485]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.252770]  ? oom_evaluate_task+0x540/0x540
[  341.257185]  ? find_held_lock+0x36/0x1c0
[  341.261265]  ? out_of_memory+0x974/0x1430
[  341.265419]  ? lock_downgrade+0x900/0x900
[  341.269569]  ? check_preemption_disabled+0x48/0x280
[  341.274590]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  341.279521]  ? kasan_check_read+0x11/0x20
[  341.283671]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.288957]  ? rcu_softirq_qs+0x20/0x20
[  341.292940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.298714]  ? oom_evaluate_task+0x302/0x540
[  341.303129]  out_of_memory+0xa84/0x1430
[  341.307117]  ? oom_killer_disable+0x3a0/0x3a0
[  341.311613]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  341.316553]  ? __mutex_add_waiter+0x2a0/0x2a0
[  341.321069]  __alloc_pages_slowpath+0x22d4/0x2d70
[  341.326036]  ? warn_alloc+0x120/0x120
[  341.329840]  ? rcu_softirq_qs+0x20/0x20
[  341.333847]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.339384]  ? should_fail+0x22d/0xd01
[  341.343281]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.348389]  ? zap_class+0x640/0x640
[  341.352132]  ? __lock_is_held+0xb5/0x140
[  341.356219]  ? mark_held_locks+0x130/0x130
[  341.360461]  ? lock_release+0xa00/0xa00
[  341.364444]  ? perf_trace_sched_process_exec+0x860/0x860
[  341.369918]  ? __might_sleep+0x95/0x190
[  341.373905]  __alloc_pages_nodemask+0xa80/0xde0
[  341.378589]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  341.383614]  ? __page_cache_alloc+0x191/0x5c0
[  341.388116]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  341.393053]  ? kasan_check_read+0x11/0x20
[  341.397217]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.402502]  ? zap_class+0x640/0x640
[  341.406238]  ? zap_class+0x640/0x640
[  341.409960]  ? zap_class+0x640/0x640
[  341.413681]  ? __do_page_cache_readahead+0x7ce/0x980
[  341.418795]  ? find_held_lock+0x36/0x1c0
[  341.422866]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  341.428430]  alloc_pages_current+0x173/0x350
[  341.432854]  __page_cache_alloc+0x38c/0x5c0
[  341.437271]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  341.442226]  ? kasan_check_read+0x11/0x20
[  341.446387]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.451675]  ? generic_perform_write+0x6a0/0x6a0
[  341.456456]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.462009]  ? check_preemption_disabled+0x48/0x280
[  341.467047]  filemap_fault+0x1594/0x25f0
[  341.471134]  ? __lock_page_or_retry+0xa00/0xa00
[  341.475819]  ? mark_held_locks+0x130/0x130
[  341.480067]  ? rcu_softirq_qs+0x20/0x20
[  341.484064]  ? filemap_map_pages+0xe04/0x1990
[  341.488603]  ? __free_object+0x173/0x340
[  341.492684]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  341.497629]  ? trace_hardirqs_off_caller+0x310/0x310
[  341.502749]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  341.507442]  ? debug_object_free+0x32d/0x690
[  341.511907]  ? kasan_check_read+0x11/0x20
[  341.516073]  ? debug_object_destroy+0x2b0/0x2b0
[  341.520814]  ? lock_pi_update_atomic+0x150/0x150
[  341.525583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.531130]  ? __hrtimer_init+0xdb/0x240
[  341.535236]  ? lock_acquire+0x1ed/0x520
[  341.539241]  ? ext4_filemap_fault+0x7a/0xad
[  341.543609]  ? lock_release+0xa00/0xa00
[  341.547594]  ? perf_trace_sched_process_exec+0x860/0x860
[  341.553062]  ? print_usage_bug+0xc0/0xc0
[  341.557145]  ? print_usage_bug+0xc0/0xc0
[  341.561255]  ? down_read+0x8d/0x120
[  341.564897]  ? ext4_filemap_fault+0x7a/0xad
[  341.569259]  ? __down_interruptible+0x700/0x700
[  341.573950]  ext4_filemap_fault+0x82/0xad
[  341.578121]  __do_fault+0x100/0x6b0
[  341.581764]  ? find_held_lock+0x36/0x1c0
[  341.585845]  ? pmd_devmap_trans_unstable+0x220/0x220
[  341.590974]  ? mark_held_locks+0x130/0x130
[  341.595253]  ? mark_held_locks+0x130/0x130
[  341.599530]  ? kasan_check_read+0x11/0x20
[  341.603695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.609269]  __handle_mm_fault+0x307c/0x5920
[  341.613693]  ? perf_trace_lock+0x7a0/0x7a0
[  341.617958]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  341.622853]  ? __switch_to_asm+0x34/0x70
[  341.626929]  ? __switch_to_asm+0x34/0x70
[  341.631025]  ? zap_class+0x640/0x640
[  341.634754]  ? zap_class+0x640/0x640
[  341.638486]  ? __x64_sys_futex+0x53e/0x6a0
[  341.642741]  ? find_held_lock+0x36/0x1c0
[  341.646829]  ? handle_mm_fault+0x42a/0xc70
[  341.651080]  ? lock_downgrade+0x900/0x900
[  341.655259]  ? check_preemption_disabled+0x48/0x280
[  341.660299]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  341.665322]  ? kasan_check_read+0x11/0x20
[  341.669488]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.674783]  ? rcu_softirq_qs+0x20/0x20
[  341.678775]  ? trace_hardirqs_off_caller+0x310/0x310
[  341.683907]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.689463]  ? check_preemption_disabled+0x48/0x280
[  341.694509]  handle_mm_fault+0x54f/0xc70
[  341.698593]  ? __handle_mm_fault+0x5920/0x5920
[  341.703220]  ? find_vma+0x34/0x190
[  341.706872]  __do_page_fault+0x5e8/0xe60
[  341.710949]  ? trace_hardirqs_off+0xb8/0x310
[  341.715392]  do_page_fault+0xf2/0x7e0
[  341.719364]  ? vmalloc_sync_all+0x30/0x30
[  341.723531]  ? error_entry+0x70/0xd0
[  341.727327]  ? trace_hardirqs_off_caller+0xbb/0x310
[  341.732358]  ? trace_hardirqs_on_caller+0xc0/0x310
[  341.737305]  ? syscall_return_slowpath+0x5e0/0x5e0
[  341.742270]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.747135]  ? trace_hardirqs_on_caller+0x310/0x310
[  341.752176]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  341.757679]  ? prepare_exit_to_usermode+0x291/0x3b0
[  341.762713]  ? page_fault+0x8/0x30
[  341.766316]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.771181]  ? page_fault+0x8/0x30
[  341.774769]  page_fault+0x1e/0x30
[  341.778262] RIP: 0033:0x40f9c0
[  341.781481] Code: Bad RIP value.
[  341.784859] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  341.790246] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  341.797558] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  341.804847] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  341.812133] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  341.819416] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  341.826734] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  341.826763] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[  341.833774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  341.840085] Call Trace:
[  341.849530] rcu: 	
[  341.852116]  <IRQ>
[  341.852125] (detected by 1, t=10541 jiffies, g=17353, q=9)
[  341.852142] rcu: All QSes seen, last rcu_preempt kthread activity 10515 (4294971342-4294960827), jiffies_till_next_fqs=1, root ->qsmask 0x0
[  341.854300]  dump_stack+0x244/0x39d
[  341.856454] syz-fuzzer      R
[  341.862099]  ? dump_stack_print_info.cold.1+0x20/0x20
[  341.874749]   running task    
[  341.878400]  warn_alloc.cold.117+0xb7/0x1bd
[  341.881495]  8568  5459   5454 0x80000008
[  341.886690]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  341.889876] Call Trace:
[  341.894234]  ? lock_downgrade+0x900/0x900
[  341.898376]  <IRQ>
[  341.903261]  ? trace_hardirqs_off+0xb8/0x310
[  341.905845]  sched_show_task.cold.81+0x2b6/0x30a
[  341.910057]  ? trace_hardirqs_off+0xb8/0x310
[  341.912234]  ? can_nice.part.74+0x20/0x20
[  341.916650]  __alloc_pages_slowpath+0x2660/0x2d70
[  341.921409]  ? vprintk_default+0x28/0x30
[  341.925853]  ? warn_alloc+0x120/0x120
[  341.930130]  ? vprintk_func+0x85/0x181
[  341.934984]  ? warn_alloc+0x120/0x120
[  341.939112]  ? vprintk_func+0x85/0x181
[  341.942924]  ? print_usage_bug+0xc0/0xc0
[  341.946823]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  341.950628]  ? warn_alloc+0x120/0x120
[  341.954517]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  341.958582]  ? print_usage_bug+0xc0/0xc0
[  341.963341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.967141]  ? __lock_acquire+0x62f/0x4c20
[  341.971907]  print_other_cpu_stall.cold.66+0x7dd/0x8bb
[  341.975977]  ? __lock_acquire+0x62f/0x4c20
[  341.981518]  ? print_usage_bug+0xc0/0xc0
[  341.985853]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.991246]  ? rcu_qs+0x110/0x110
[  341.995481]  ? should_fail+0x22d/0xd01
[  341.999546]  ? find_held_lock+0x36/0x1c0
[  342.005083]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.005100]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  342.008563]  ? zap_class+0x640/0x640
[  342.012448]  ? __lock_acquire+0x62f/0x4c20
[  342.016506]  ? print_usage_bug+0xc0/0xc0
[  342.021781]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  342.026887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.030604]  ? __lock_acquire+0x62f/0x4c20
[  342.030619]  ? should_fail+0x22d/0xd01
[  342.034869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.038937]  ? rcu_irq_exit+0x1a2/0x390
[  342.044058]  ? do_trace_rcu_torture_read+0x10/0x10
[  342.049610]  ? mark_held_locks+0x130/0x130
[  342.053906]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  342.057876]  ? mark_held_locks+0x130/0x130
[  342.063413]  ? __lock_is_held+0xb5/0x140
[  342.067390]  ? mark_held_locks+0xc7/0x130
[  342.072317]  ? __rcu_read_lock+0x50/0x50
[  342.076549]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  342.081826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.081842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.086113]  ? zap_class+0x640/0x640
[  342.090176]  ? check_preemption_disabled+0x48/0x280
[  342.094349]  ? print_usage_bug+0xc0/0xc0
[  342.098415]  rcu_check_callbacks+0xfd7/0x13f0
[  342.103433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.108972]  ? rcutree_dead_cpu+0x10/0x10
[  342.114510]  ? check_preemption_disabled+0x48/0x280
[  342.118253]  ? lock_downgrade+0x900/0x900
[  342.123278]  ? __lock_is_held+0xb5/0x140
[  342.127335]  ? lock_release+0x960/0xa00
[  342.131837]  __alloc_pages_nodemask+0xa80/0xde0
[  342.137378]  ? zap_class+0x640/0x640
[  342.141520]  ? zap_class+0x640/0x640
[  342.146540]  ? zap_class+0x640/0x640
[  342.150763]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  342.154825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.158806]  ? find_held_lock+0x36/0x1c0
[  342.163467]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  342.163483]  ? kvm_set_tsc_khz+0x540/0x540
[  342.167234]  ? ____cache_alloc_node+0x1c7/0x1e0
[  342.170950]  ? find_held_lock+0x36/0x1c0
[  342.174662]  ? lock_downgrade+0x900/0x900
[  342.179679]  ? zap_class+0x640/0x640
[  342.185247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.189304]  ? timekeeping_advance+0x3cc/0xc00
[  342.193906]  cache_grow_begin+0xa5/0x8c0
[  342.198141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.202811]  ? do_raw_spin_unlock+0xa7/0x330
[  342.206874]  ? check_preemption_disabled+0x48/0x280
[  342.211030]  fallback_alloc+0x204/0x2e0
[  342.214769]  ? trace_hardirqs_off+0xb8/0x310
[  342.220374]  ____cache_alloc_node+0x1c7/0x1e0
[  342.224960]  ? __lock_is_held+0xb5/0x140
[  342.229016]  kmem_cache_alloc_node+0xe3/0x730
[  342.234703]  ? trace_hardirqs_on+0x310/0x310
[  342.239112]  ? ipv6_get_ifaddr+0x42e/0x620
[  342.244132]  ? check_preemption_disabled+0x48/0x280
[  342.248115]  __alloc_skb+0x119/0x770
[  342.252524]  ? raise_softirq+0x199/0x420
[  342.257020]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.261081]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  342.265582]  ? netdev_alloc_frag+0x1f0/0x1f0
[  342.269994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.274248]  ? lock_downgrade+0x900/0x900
[  342.279264]  ? check_preemption_disabled+0x48/0x280
[  342.282981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.287041]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  342.292318]  ? refcount_sub_and_test_checked+0x203/0x310
[  342.296992]  ? hrtimer_run_queues+0x9a/0x400
[  342.301510]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  342.307050]  ? run_local_timers+0x19b/0x230
[  342.311225]  ? addrconf_rs_timer+0x690/0x690
[  342.316260]  ? timer_clear_idle+0x90/0x90
[  342.321807]  ndisc_alloc_skb+0x144/0x340
[  342.327340]  ? debug_smp_processor_id+0x1c/0x20
[  342.332791]  ndisc_send_rs+0x331/0x6e0
[  342.337234]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  342.342776]  addrconf_rs_timer+0x314/0x690
[  342.347098]  ? account_process_tick+0x282/0x350
[  342.351501]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.355648]  update_process_times+0x2d/0x70
[  342.359718]  call_timer_fn+0x272/0x920
[  342.364380]  tick_sched_handle+0x9f/0x180
[  342.368267]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.374262]  tick_sched_timer+0x45/0x130
[  342.378495]  ? process_timeout+0x40/0x40
[  342.383165]  __hrtimer_run_queues+0x41c/0x10d0
[  342.387415]  ? __run_timers+0x7da/0xc70
[  342.391735]  ? tick_sched_do_timer+0x1a0/0x1a0
[  342.395626]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.399773]  ? hrtimer_start_range_ns+0xe00/0xe00
[  342.404005]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.408070]  ? pvclock_read_flags+0x160/0x160
[  342.412127]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.416711]  ? trace_hardirqs_on+0x310/0x310
[  342.420687]  ? lockdep_hardirqs_on+0x296/0x5b0
[  342.425275]  ? kvm_clock_read+0x18/0x30
[  342.430338]  ? trace_hardirqs_on+0xbd/0x310
[  342.435183]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  342.439710]  ? kasan_check_read+0x11/0x20
[  342.444234]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  342.448480]  ? __run_timers+0x7da/0xc70
[  342.452912]  ? do_timer+0x50/0x50
[  342.457496]  ? trace_hardirqs_off_caller+0x310/0x310
[  342.461469]  ? rwlock_bug.part.2+0x90/0x90
[  342.461486]  ? trace_hardirqs_on+0x310/0x310
[  342.465816]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.471040]  ? rcu_softirq_qs+0x20/0x20
[  342.475185]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.480586]  hrtimer_interrupt+0x313/0x780
[  342.484562]  __run_timers+0x7e5/0xc70
[  342.488025]  smp_apic_timer_interrupt+0x1a1/0x760
[  342.493127]  ? timer_fixup_init+0x70/0x70
[  342.497356]  ? smp_call_function_single_interrupt+0x650/0x650
[  342.501799]  ? kasan_check_read+0x11/0x20
[  342.506037]  ? interrupt_entry+0xb5/0xc0
[  342.510015]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.514331]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.518573]  ? rcu_softirq_qs+0x20/0x20
[  342.522382]  ? ____cache_alloc_node+0x1c7/0x1e0
[  342.527249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.531401]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.537287]  ? check_preemption_disabled+0x48/0x280
[  342.541436]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.545500]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  342.550971]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.556040]  ? retint_kernel+0x2d/0x2d
[  342.560020]  apic_timer_interrupt+0xf/0x20
[  342.564690]  ? trace_hardirqs_on_caller+0xc0/0x310
[  342.570254] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  342.575138]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  342.580154] Code: 41 7e 0f 85 32 ff ff ff e8 55 f9 3f ff e9 28 ff ff ff e8 ac c3 c3 ff 48 83 3d 04 72 91 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 1a 90
[  342.585175]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  342.589926] RSP: 0000:ffff8801daf07450 EFLAGS: 00000286
[  342.594878]  ? zap_class+0x640/0x640
[  342.598851]  ORIG_RAX: ffffffffffffff13
[  342.603102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.608023] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003ae965db
[  342.608035] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  342.613411]  ? check_preemption_disabled+0x48/0x280
[  342.618154] RBP: ffff8801daf074c0 R08: ffff8801d74b2ed8 R09: 0000000000000002
[  342.618167] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: ffff8801d9bd2680
[  342.637182]  ? __lock_is_held+0xb5/0x140
[  342.642778] R13: ffff8801d9bd2680 R14: 0000000000000000 R15: 0000000000000286
[  342.648151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.651863]  ? apic_timer_interrupt+0xa/0x20
[  342.655835]  ? check_preemption_disabled+0x48/0x280
[  342.661389]  ? ipv6_get_ifaddr+0x42e/0x620
[  342.668655]  run_timer_softirq+0x52/0xb0
[  342.675943]  __alloc_skb+0x119/0x770
[  342.680955]  ? rcu_read_lock_sched_held+0x14f/0x180
[  342.688261]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.695531]  __do_softirq+0x308/0xb7e
[  342.699598]  ? netdev_alloc_frag+0x1f0/0x1f0
[  342.706874]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  342.712410]  ? lock_downgrade+0x900/0x900
[  342.716811]  ? lock_downgrade+0x900/0x900
[  342.716830]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  342.721850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.726175]  ? pvclock_read_flags+0x160/0x160
[  342.730260]  ? refcount_sub_and_test_checked+0x203/0x310
[  342.733982]  ? lapic_next_event+0x5a/0x90
[  342.739005]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  342.744294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.748106]  ? addrconf_rs_timer+0x690/0x690
[  342.752527]  ? kvm_clock_read+0x18/0x30
[  342.757037]  ndisc_alloc_skb+0x144/0x340
[  342.761235]  ? kvm_sched_clock_read+0x9/0x20
[  342.765399]  ndisc_send_rs+0x331/0x6e0
[  342.770587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.776143]  addrconf_rs_timer+0x314/0x690
[  342.780801]  ? check_preemption_disabled+0x48/0x280
[  342.786272]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.790430]  irq_exit+0x17f/0x1c0
[  342.795901]  call_timer_fn+0x272/0x920
[  342.801451]  smp_apic_timer_interrupt+0x1cb/0x760
[  342.805875]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.809856]  ? smp_call_function_single_interrupt+0x159/0x650
[  342.813927]  ? process_timeout+0x40/0x40
[  342.818339]  ? smp_call_function_single_interrupt+0x650/0x650
[  342.822262]  ? mark_held_locks+0xc7/0x130
[  342.827810]  ? interrupt_entry+0xb5/0xc0
[  342.832050]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.837075]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.841315]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.844839]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.848733]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.853583]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.857821]  ? lockdep_hardirqs_on+0x296/0x5b0
[  342.863714]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.867779]  ? trace_hardirqs_on+0xbd/0x310
[  342.873707]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.877863]  ? kasan_check_read+0x11/0x20
[  342.882002]  ? task_prio+0x50/0x50
[  342.886508]  ? __run_timers+0x7da/0xc70
[  342.891538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.896043]  ? trace_hardirqs_off_caller+0x310/0x310
[  342.901131]  ? check_preemption_disabled+0x48/0x280
[  342.905374]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.910247]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.914833]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.919859]  apic_timer_interrupt+0xf/0x20
[  342.924179]  __run_timers+0x7e5/0xc70
[  342.929233]  </IRQ>
[  342.933399]  ? timer_fixup_init+0x70/0x70
[  342.936965] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  342.940946]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  342.946497] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  342.951680]  ? zap_class+0x640/0x640
[  342.956695] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286
[  342.960950]  ? print_usage_bug+0xc0/0xc0
[  342.965785]  ORIG_RAX: ffffffffffffff13
[  342.970037]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  342.974264] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  342.978075]  ? find_held_lock+0x36/0x1c0
[  342.980306] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  342.984458]  ? zap_class+0x640/0x640
[  342.989390] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  342.994415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.013386] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  343.017185]  ? check_preemption_disabled+0x48/0x280
[  343.022593] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  343.026685]  ? __lock_is_held+0xb5/0x140
[  343.030683]  skb_clone+0x1bb/0x500
[  343.035846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.043137]  ? skb_split+0x11e0/0x11e0
[  343.047233]  ? check_preemption_disabled+0x48/0x280
[  343.054603]  ? check_preemption_disabled+0x48/0x280
[  343.058322]  run_timer_softirq+0x52/0xb0
[  343.065595]  ? __this_cpu_preempt_check+0x1c/0x20
[  343.071130]  ? rcu_read_lock_sched_held+0x14f/0x180
[  343.078407]  ? __bpf_redirect+0x54b/0xb20
[  343.083422]  __do_softirq+0x308/0xb7e
[  343.090863]  bpf_clone_redirect+0xb9/0x490
[  343.094919]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  343.098471]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  343.103999]  ? lock_downgrade+0x900/0x900
[  343.107887]  ? __sched_text_start+0x8/0x8
[  343.112908]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  343.117933]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  343.122003]  ? pvclock_read_flags+0x160/0x160
[  343.126843]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  343.131863]  ? lapic_next_event+0x5a/0x90
[  343.136016]  ? retint_kernel+0x2d/0x2d
[  343.139827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.144076]  ? find_held_lock+0x36/0x1c0
[  343.148574]  ? kvm_clock_read+0x18/0x30
[  343.153598]  ? lock_acquire+0x1ed/0x520
[  343.157746]  ? kvm_sched_clock_read+0x9/0x20
[  343.161899]  ? bpf_test_run+0x3cb/0x780
[  343.167001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.171760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.176271]  ? check_preemption_disabled+0x48/0x280
[  343.180854]  ? check_preemption_disabled+0x48/0x280
[  343.185008]  irq_exit+0x17f/0x1c0
[  343.188898]  ? kasan_check_read+0x11/0x20
[  343.194438]  smp_apic_timer_interrupt+0x1cb/0x760
[  343.198518]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.202489]  ? smp_reschedule_interrupt+0x109/0x650
[  343.206471]  ? rcu_softirq_qs+0x20/0x20
[  343.210882]  ? smp_call_function_single_interrupt+0x650/0x650
[  343.214857]  ? preempt_schedule+0x4d/0x60
[  343.220403]  ? interrupt_entry+0xb5/0xc0
[  343.225946]  ? ___preempt_schedule+0x16/0x18
[  343.231039]  ? trace_hardirqs_off_caller+0xbb/0x310
[  343.236067]  ? bpf_test_run+0x25d/0x780
[  343.239514]  ? trace_hardirqs_off_caller+0xbb/0x310
[  343.243668]  ? netlink_diag_dump+0x2a0/0x2a0
[  343.248506]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.253786]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.258804]  ? trace_hardirqs_on_caller+0x310/0x310
[  343.262790]  ? bpf_test_init.isra.10+0x70/0x100
[  343.268684]  ? trace_hardirqs_on_caller+0x310/0x310
[  343.272835]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  343.276903]  ? task_prio+0x50/0x50
[  343.281322]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  343.286336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.290308]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  343.295421]  ? check_preemption_disabled+0x48/0x280
[  343.300314]  ? fput+0x130/0x1a0
[  343.305165]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.310699]  ? __bpf_prog_get+0x9b/0x290
[  343.315732]  apic_timer_interrupt+0xf/0x20
[  343.320401]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  343.325436]  </IRQ>
[  343.330241]  ? bpf_prog_test_run+0x130/0x1a0
[  343.333784] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  343.338634]  ? __x64_sys_bpf+0x3d8/0x520
[  343.344178] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  343.349751]  ? bpf_prog_get+0x20/0x20
[  343.354761] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286
[  343.358069]  ? do_syscall_64+0x1b9/0x820
[  343.362889]  ORIG_RAX: ffffffffffffff13
[  343.366966]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  343.371222] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  343.376076]  ? syscall_return_slowpath+0x5e0/0x5e0
[  343.378305] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  343.382735]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.387920] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  343.391996]  ? trace_hardirqs_on_caller+0x310/0x310
[  343.410910] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  343.414728]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  343.420080] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  343.424153]  ? prepare_exit_to_usermode+0x291/0x3b0
[  343.428148]  retint_kernel+0x1b/0x2d
[  343.433607]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.440985] RIP: 0010:dump_stack+0x358/0x39d
[  343.446076]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  343.453354] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  343.458242] warn_alloc_show_mem: 1 callbacks suppressed
[  343.458247] Mem-Info:
[  343.465584] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293
[  343.470632] active_anon:56297 inactive_anon:436 isolated_anon:0
[  343.470632]  active_file:15 inactive_file:14 isolated_file:0
[  343.470632]  unevictable:0 dirty:0 writeback:0 unstable:0
[  343.470632]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  343.470632]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  343.470632]  free:13786 free_pcp:429 free_cma:0
[  343.477977]  ORIG_RAX: ffffffffffffff02
[  343.483029] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  343.490299] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  343.495320] Node 0 
[  343.499041] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  343.503911] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  343.508305] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  343.513664] lowmem_reserve[]: 0
[  343.532670] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  343.538033]  2818 6321
[  343.540466] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  343.545824]  6321
[  343.579037]  ? dump_stack+0x34f/0x39d
[  343.583003] Node 0 
[  343.610924]  ? dump_stack_print_info.cold.1+0x20/0x20
[  343.618230] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  343.620467]  dump_header+0x27b/0xf72
[  343.627721] lowmem_reserve[]: 0
[  343.653307]  ? mark_held_locks+0x130/0x130
[  343.660699]  0
[  343.663999]  ? pagefault_out_of_memory+0x197/0x197
[  343.671268]  3503 3503
[  343.673795]  ? __lock_acquire+0x62f/0x4c20
[  343.681054] Node 0 
[  343.683131]  ? zap_class+0x640/0x640
[  343.686962] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  343.689232]  ? percpu_ref_get_many+0x240/0x240
[  343.694412] lowmem_reserve[]:
[  343.721164]  ? print_usage_bug+0xc0/0xc0
[  343.724867]  0
[  343.728270]  ? print_usage_bug+0xc0/0xc0
[  343.732578]  0 0
[  343.734426]  ? zap_class+0x640/0x640
[  343.739361]  0
[  343.741885]  ? print_usage_bug+0xc0/0xc0
[  343.746107] Node 0 
[  343.748362]  ? print_usage_bug+0xc0/0xc0
[  343.752067] DMA: 
[  343.780646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.785247] 1*4kB 
[  343.788471]  ? find_held_lock+0x36/0x1c0
[  343.792526] (U) 
[  343.794357]  ? mark_held_locks+0xc7/0x130
[  343.798396] 0*8kB 0*16kB 
[  343.800404]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  343.804170] 1*32kB (U) 
[  343.806038]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  343.810092] 2*64kB 
[  343.812343]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  343.816389] (U) 1*128kB 
[  343.818484]  ? trace_hardirqs_on+0xbd/0x310
[  343.824005] (U) 1*256kB 
[  343.826238]  ? kasan_check_read+0x11/0x20
[  343.830280] (U) 0*512kB 
[  343.832280]  ? ___ratelimit+0x3b4/0x672
[  343.836416] 1*1024kB (U) 
[  343.839229]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.844317] 1*2048kB (M) 
[  343.846935]  ? trace_hardirqs_on+0x310/0x310
[  343.852027] 3*4096kB (M) 
[  343.854363]  ? lock_downgrade+0x900/0x900
[  343.858940] = 15908kB
[  343.861635]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  343.865942] Node 0 
[  343.868650]  ? ___ratelimit+0x3b9/0x672
[  343.872796] DMA32: 
[  343.875475]  ? idr_get_free+0xec0/0xec0
[  343.879442] 5*4kB 
[  343.882240]  ? find_held_lock+0x36/0x1c0
[  343.887333] (UM) 1*8kB 
[  343.890128]  oom_kill_process.cold.27+0x10/0x903
[  343.894523] (U) 
[  343.897302]  ? zap_class+0x640/0x640
[  343.901459] 2*16kB (M) 
[  343.903898]  ? check_preemption_disabled+0x48/0x280
[  343.908991] 1*32kB 
[  343.911272]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  343.915261] (M) 
[  343.917515]  ? kasan_check_read+0x11/0x20
[  343.921478] 3*64kB 
[  343.923646]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.927691] (M) 
[  343.930288]  ? oom_evaluate_task+0x540/0x540
[  343.935040] 5*128kB 
[  343.937032]  ? find_held_lock+0x36/0x1c0
[  343.940748] (UM) 
[  343.943346]  ? out_of_memory+0x974/0x1430
[  343.948352] 3*256kB 
[  343.950601]  ? lock_downgrade+0x900/0x900
[  343.955549] (M) 
[  343.957561]  ? check_preemption_disabled+0x48/0x280
[  343.961779] 4*512kB (UM) 
[  343.964043]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  343.969307] 3*1024kB 
[  343.971298]  ? kasan_check_read+0x11/0x20
[  343.975720] (UM) 
[  343.978061]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.982110] 3*2048kB 
[  343.984188]  ? rcu_softirq_qs+0x20/0x20
[  343.988354] (UM) 
[  343.990695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.994833] 3*4096kB 
[  343.996827]  ? oom_evaluate_task+0x302/0x540
[  344.001835] (M) 
[  344.004608]  out_of_memory+0xa84/0x1430
[  344.009518] = 25244kB
[  344.009527] Node 0 
[  344.011963]  ? oom_killer_disable+0x3a0/0x3a0
[  344.016092] Normal: 
[  344.018168]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  344.023436] 719*4kB 
[  344.025863]  ? __mutex_add_waiter+0x2a0/0x2a0
[  344.029823] (UMEH) 
[  344.031915]  __alloc_pages_slowpath+0x22d4/0x2d70
[  344.037523] 258*8kB 
[  344.039995]  ? warn_alloc+0x120/0x120
[  344.044342] (UME) 197*16kB 
[  344.046349]  ? rcu_softirq_qs+0x20/0x20
[  344.050377] (UME) 
[  344.052830]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.055031] 98*32kB 
[  344.059538]  ? should_fail+0x22d/0xd01
[  344.061856] (UME) 
[  344.066804]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.069117] 44*64kB 
[  344.073628]  ? zap_class+0x640/0x640
[  344.075941] (UM) 
[  344.080826]  ? __lock_is_held+0xb5/0x140
[  344.083124] 0*128kB 
[  344.086947]  ? mark_held_locks+0x130/0x130
[  344.089864] 0*256kB 
[  344.093854]  ? lock_release+0xa00/0xa00
[  344.095992] 0*512kB 0*1024kB 
[  344.101556]  ? perf_trace_sched_process_exec+0x860/0x860
[  344.103874] 0*2048kB 
[  344.107781]  ? __might_sleep+0x95/0x190
[  344.109913] 0*4096kB = 14044kB
[  344.115121]  __alloc_pages_nodemask+0xa80/0xde0
[  344.117443] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  344.121171]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  344.123253] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  344.127323]  ? __page_cache_alloc+0x191/0x5c0
[  344.129638] 4793 total pagecache pages
[  344.133892]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  344.136291] 0 pages in swap cache
[  344.140281]  ? kasan_check_read+0x11/0x20
[  344.143380] Swap cache stats: add 0, delete 0, find 0/0
[  344.148846]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.151254] Free swap  = 0kB
[  344.155259]  ? zap_class+0x640/0x640
[  344.158441] Total swap = 0kB
[  344.158449] 1965979 pages RAM
[  344.163239]  ? zap_class+0x640/0x640
[  344.172168] 0 pages HighMem/MovableOnly
[  344.172180] 342867 pages reserved
[  344.177277]  ? zap_class+0x640/0x640
[  344.185854] 0 pages cma reserved
[  344.185931] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  344.190382]  ? __do_page_cache_readahead+0x7ce/0x980
[  344.190406]  ? find_held_lock+0x36/0x1c0
[  344.190425]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  344.194366] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  344.199271]  alloc_pages_current+0x173/0x350
[  344.202717] syz-executor4 cpuset=
[  344.206976]  __page_cache_alloc+0x38c/0x5c0
[  344.212387] syz4
[  344.217679]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  344.220684]  mems_allowed=0
[  344.224411]  ? kasan_check_read+0x11/0x20
[  344.227430] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  344.230547]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.234255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  344.234264] Call Trace:
[  344.238273]  ? generic_perform_write+0x6a0/0x6a0
[  344.241783]  <IRQ>
[  344.245584]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.248976]  dump_stack+0x244/0x39d
[  344.255479]  ? check_preemption_disabled+0x48/0x280
[  344.260585]  ? dump_stack_print_info.cold.1+0x20/0x20
[  344.264648]  filemap_fault+0x1594/0x25f0
[  344.270288]  warn_alloc.cold.117+0xb7/0x1bd
[  344.281405]  ? __lock_page_or_retry+0xa00/0xa00
[  344.285812]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  344.289270]  ? mark_held_locks+0x130/0x130
[  344.293587]  ? lock_downgrade+0x900/0x900
[  344.295568]  ? rcu_softirq_qs+0x20/0x20
[  344.300498]  ? trace_hardirqs_off+0xb8/0x310
[  344.303437]  ? filemap_map_pages+0xe04/0x1990
[  344.307577]  ? trace_hardirqs_off+0xb8/0x310
[  344.314745]  ? __free_object+0x173/0x340
[  344.320036]  __alloc_pages_slowpath+0x2660/0x2d70
[  344.329394]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  344.332002]  ? warn_alloc+0x120/0x120
[  344.336736]  ? trace_hardirqs_off_caller+0x310/0x310
[  344.338956]  ? warn_alloc+0x120/0x120
[  344.344500]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  344.348127]  ? print_usage_bug+0xc0/0xc0
[  344.353152]  ? debug_object_free+0x32d/0x690
[  344.358338]  ? warn_alloc+0x120/0x120
[  344.362407]  ? kasan_check_read+0x11/0x20
[  344.366727]  ? print_usage_bug+0xc0/0xc0
[  344.371442]  ? debug_object_destroy+0x2b0/0x2b0
[  344.376290]  ? __lock_acquire+0x62f/0x4c20
[  344.380527]  ? lock_pi_update_atomic+0x150/0x150
[  344.384672]  ? __lock_acquire+0x62f/0x4c20
[  344.388648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.393056]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.397553]  ? __hrtimer_init+0xdb/0x240
[  344.401968]  ? should_fail+0x22d/0xd01
[  344.406037]  ? lock_acquire+0x1ed/0x520
[  344.410873]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.415803]  ? ext4_filemap_fault+0x7a/0xad
[  344.419606]  ? __lock_acquire+0x62f/0x4c20
[  344.424714]  ? lock_release+0xa00/0xa00
[  344.428511]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.433803]  ? perf_trace_sched_process_exec+0x860/0x860
[  344.437869]  ? __lock_acquire+0x62f/0x4c20
[  344.442276]  ? print_usage_bug+0xc0/0xc0
[  344.446077]  ? should_fail+0x22d/0xd01
[  344.450252]  ? print_usage_bug+0xc0/0xc0
[  344.454314]  ? find_held_lock+0x36/0x1c0
[  344.458994]  ? down_read+0x8d/0x120
[  344.463254]  ? mark_held_locks+0x130/0x130
[  344.468014]  ? ext4_filemap_fault+0x7a/0xad
[  344.472266]  ? mark_held_locks+0x130/0x130
[  344.477804]  ? __down_interruptible+0x700/0x700
[  344.483425]  ? zap_class+0x640/0x640
[  344.487497]  ext4_filemap_fault+0x82/0xad
[  344.491394]  ? zap_class+0x640/0x640
[  344.495371]  __do_fault+0x100/0x6b0
[  344.500473]  ? print_usage_bug+0xc0/0xc0
[  344.504791]  ? find_held_lock+0x36/0x1c0
[  344.509028]  ? do_raw_spin_unlock+0xa7/0x330
[  344.513005]  ? pmd_devmap_trans_unstable+0x220/0x220
[  344.518107]  ? zap_class+0x640/0x640
[  344.523556]  ? mark_held_locks+0x130/0x130
[  344.527789]  ? print_usage_bug+0xc0/0xc0
[  344.531850]  ? mark_held_locks+0x130/0x130
[  344.535741]  ? wq_watchdog_touch+0x9c/0xfe
[  344.539805]  ? kasan_check_read+0x11/0x20
[  344.543859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.547486]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.551723]  ? check_preemption_disabled+0x48/0x280
[  344.556144]  __handle_mm_fault+0x307c/0x5920
[  344.560475]  ? __lock_is_held+0xb5/0x140
[  344.565139]  ? perf_trace_lock+0x7a0/0x7a0
[  344.568863]  __alloc_pages_nodemask+0xa80/0xde0
[  344.573010]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  344.576724]  ? zap_class+0x640/0x640
[  344.580514]  ? __switch_to_asm+0x34/0x70
[  344.584576]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  344.588643]  ? __switch_to_asm+0x34/0x70
[  344.593148]  ? find_held_lock+0x36/0x1c0
[  344.598332]  ? zap_class+0x640/0x640
[  344.602176]  ? ____cache_alloc_node+0x1c7/0x1e0
[  344.606404]  ? zap_class+0x640/0x640
[  344.610553]  ? lock_downgrade+0x900/0x900
[  344.614786]  ? __x64_sys_futex+0x53e/0x6a0
[  344.619025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.623168]  ? find_held_lock+0x36/0x1c0
[  344.628710]  cache_grow_begin+0xa5/0x8c0
[  344.634289]  ? handle_mm_fault+0x42a/0xc70
[  344.639299]  ? do_raw_spin_unlock+0xa7/0x330
[  344.643707]  ? lock_downgrade+0x900/0x900
[  344.647771]  fallback_alloc+0x204/0x2e0
[  344.652099]  ? check_preemption_disabled+0x48/0x280
[  344.656839]  ____cache_alloc_node+0x1c7/0x1e0
[  344.661685]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  344.665400]  kmem_cache_alloc_node+0xe3/0x730
[  344.669457]  ? kasan_check_read+0x11/0x20
[  344.674481]  ? ipv6_get_ifaddr+0x42e/0x620
[  344.678540]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.682607]  __alloc_skb+0x119/0x770
[  344.686316]  ? rcu_softirq_qs+0x20/0x20
[  344.690986]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.694698]  ? trace_hardirqs_off_caller+0x310/0x310
[  344.698845]  ? netdev_alloc_frag+0x1f0/0x1f0
[  344.703082]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.708625]  ? lock_downgrade+0x900/0x900
[  344.712686]  ? check_preemption_disabled+0x48/0x280
[  344.716746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.721000]  handle_mm_fault+0x54f/0xc70
[  344.725408]  ? refcount_sub_and_test_checked+0x203/0x310
[  344.729555]  ? __handle_mm_fault+0x5920/0x5920
[  344.733536]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  344.738552]  ? find_vma+0x34/0x190
[  344.743044]  ? addrconf_rs_timer+0x690/0x690
[  344.747981]  __do_page_fault+0x5e8/0xe60
[  344.752485]  ndisc_alloc_skb+0x144/0x340
[  344.756625]  ? trace_hardirqs_off+0xb8/0x310
[  344.760860]  ndisc_send_rs+0x331/0x6e0
[  344.766142]  do_page_fault+0xf2/0x7e0
[  344.769866]  addrconf_rs_timer+0x314/0x690
[  344.773846]  ? vmalloc_sync_all+0x30/0x30
[  344.779122]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.784335]  ? error_entry+0x70/0xd0
[  344.788747]  call_timer_fn+0x272/0x920
[  344.794278]  ? trace_hardirqs_off_caller+0xbb/0x310
[  344.798424]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.803442]  ? trace_hardirqs_on_caller+0xc0/0x310
[  344.808983]  ? process_timeout+0x40/0x40
[  344.813054]  ? syscall_return_slowpath+0x5e0/0x5e0
[  344.818506]  ? __run_timers+0x7da/0xc70
[  344.823149]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.828599]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.832141]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.836548]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.840610]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  344.844673]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.849087]  ? prepare_exit_to_usermode+0x291/0x3b0
[  344.852978]  ? lockdep_hardirqs_on+0x296/0x5b0
[  344.856776]  ? page_fault+0x8/0x30
[  344.861013]  ? trace_hardirqs_on+0xbd/0x310
[  344.865165]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.869399]  ? kasan_check_read+0x11/0x20
[  344.869417]  ? __run_timers+0x7da/0xc70
[  344.873132]  ? page_fault+0x8/0x30
[  344.877018]  ? trace_hardirqs_off_caller+0x310/0x310
[  344.882130]  page_fault+0x1e/0x30
[  344.886367]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.891412] RIP: 0033:0x40f9c0
[  344.895481]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.900423] Code: Bad RIP value.
[  344.904452]  __run_timers+0x7e5/0xc70
[  344.909365] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  344.913878]  ? timer_fixup_init+0x70/0x70
[  344.923379]  ? kasan_check_read+0x11/0x20
[  344.928826] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  344.933134]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.938141] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  344.942791]  ? rcu_softirq_qs+0x20/0x20
[  344.946323] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  344.950653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.955488] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  344.959650]  ? check_preemption_disabled+0x48/0x280
[  344.963620] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  344.967183]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  344.972332] rcu: rcu_preempt kthread starved for 10515 jiffies! g17353 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  344.975820]  ? retint_kernel+0x2d/0x2d
[  344.980049] rcu: RCU grace-period kthread stack dump:
[  344.983334]  ? trace_hardirqs_on_caller+0xc0/0x310
[  344.987572] rcu_preempt     R
[  344.990947]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  344.994741]   running task    
[  345.000285]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  345.004433] 22696    10      2 0x80000000
[  345.008580]  ? zap_class+0x640/0x640
[  345.015857] Call Trace:
[  345.021235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.028509]  __schedule+0x8cf/0x21d0
[  345.032489]  ? check_preemption_disabled+0x48/0x280
[  345.039768]  ? __sched_text_start+0x8/0x8
[  345.045310]  ? __lock_is_held+0xb5/0x140
[  345.052645]  ? add_timer_on+0xa20/0xa20
[  345.057726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.065000]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  345.069768]  ? check_preemption_disabled+0x48/0x280
[  345.080279]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  345.084166]  run_timer_softirq+0x52/0xb0
[  345.089444]  ? trace_hardirqs_on+0xbd/0x310
[  345.094377]  ? rcu_read_lock_sched_held+0x14f/0x180
[  345.097493]  ? kasan_check_read+0x11/0x20
[  345.102265]  __do_softirq+0x308/0xb7e
[  345.105527]  ? prepare_to_swait_event+0x25a/0x800
[  345.110977]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  345.115122]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.118837]  ? lock_downgrade+0x900/0x900
[  345.121424]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  345.126958]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  345.130683]  schedule+0xfe/0x460
[  345.135706]  ? pvclock_read_flags+0x160/0x160
[  345.139933]  ? __schedule+0x21d0/0x21d0
[  345.143999]  ? lapic_next_event+0x5a/0x90
[  345.148002]  ? prepare_to_swait_event+0x25a/0x800
[  345.153537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.158642]  ? __init_swait_queue_head+0x150/0x150
[  345.163655]  ? kvm_clock_read+0x18/0x30
[  345.168761]  ? __lockdep_init_map+0x105/0x590
[  345.172825]  ? kvm_sched_clock_read+0x9/0x20
[  345.177263]  ? lockdep_init_map+0x9/0x10
[  345.182277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.186426]  schedule_timeout+0x140/0x260
[  345.190466]  ? check_preemption_disabled+0x48/0x280
[  345.195365]  ? usleep_range+0x1a0/0x1a0
[  345.199864]  irq_exit+0x17f/0x1c0
[  345.205031]  ? __next_timer_interrupt+0x1a0/0x1a0
[  345.209176]  smp_apic_timer_interrupt+0x1cb/0x760
[  345.214322]  rcu_gp_fqs_loop+0x762/0xa80
[  345.219413]  ? smp_call_function_single_interrupt+0x159/0x650
[  345.222848]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  345.227341]  ? smp_call_function_single_interrupt+0x650/0x650
[  345.231391]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.235537]  ? interrupt_entry+0xb5/0xc0
[  345.240382]  ? perf_trace_sched_process_exec+0x860/0x860
[  345.245938]  ? trace_hardirqs_off_caller+0xbb/0x310
[  345.250874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.254916]  ? trace_hardirqs_off_caller+0xbb/0x310
[  345.259417]  ? rcu_gp_init+0x90b/0x1260
[  345.263823]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.267888]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  345.273422]  ? trace_hardirqs_on_caller+0x310/0x310
[  345.277569]  ? rcu_accelerate_cbs+0x562/0xae0
[  345.282646]  ? trace_hardirqs_on_caller+0x310/0x310
[  345.282661]  ? task_prio+0x50/0x50
[  345.286707]  ? zap_class+0x640/0x640
[  345.290161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.295067]  ? zap_class+0x640/0x640
[  345.300393]  ? check_preemption_disabled+0x48/0x280
[  345.304550]  ? __lock_is_held+0xb5/0x140
[  345.310432]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.315190]  ? __lock_is_held+0xb5/0x140
[  345.321106]  apic_timer_interrupt+0xf/0x20
[  345.326231]  ? zap_class+0x640/0x640
[  345.330286]  </IRQ>
[  345.335835]  ? rcu_accelerate_cbs+0x562/0xae0
[  345.340917] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  345.346527]  ? find_held_lock+0x36/0x1c0
[  345.351539] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  345.355522]  ? rcu_gp_kthread+0x8cf/0xc70
[  345.360354] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286
[  345.365122]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.370128]  ORIG_RAX: ffffffffffffff13
[  345.374632]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.379647] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  345.383394]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  345.387101] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  345.392657]  ? trace_hardirqs_on+0xbd/0x310
[  345.396374] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  345.401407]  ? kasan_check_read+0x11/0x20
[  345.405545] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  345.410396]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.414449] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  345.418691]  ? perf_trace_sched_process_exec+0x860/0x860
[  345.422441]  skb_clone+0x1bb/0x500
[  345.424755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.431225]  ? skb_split+0x11e0/0x11e0
[  345.436176]  rcu_gp_kthread+0x341/0xc70
[  345.440256]  ? check_preemption_disabled+0x48/0x280
[  345.459268]  ? rcu_gp_init+0x1260/0x1260
[  345.463533]  ? __this_cpu_preempt_check+0x1c/0x20
[  345.468898]  ? mark_held_locks+0x130/0x130
[  345.473392]  ? __bpf_redirect+0x54b/0xb20
[  345.477368]  ? __schedule+0x168a/0x21d0
[  345.481869]  bpf_clone_redirect+0xb9/0x490
[  345.489135]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.493731]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  345.500999]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  345.505316]  ? __sched_text_start+0x8/0x8
[  345.512607]  ? trace_hardirqs_on+0xbd/0x310
[  345.516825]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  345.524103]  ? kasan_check_read+0x11/0x20
[  345.529229]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  345.536501]  ? __schedule+0x168a/0x21d0
[  345.541952]  ? retint_kernel+0x2d/0x2d
[  345.545497]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.551035]  ? find_held_lock+0x36/0x1c0
[  345.554923]  ? lock_pin_lock+0x350/0x350
[  345.558900]  ? lock_acquire+0x1ed/0x520
[  345.563993]  ? _raw_spin_unlock_irq+0x60/0x80
[  345.568051]  ? bpf_test_run+0x3cb/0x780
[  345.572896]  ? __schedule+0x168a/0x21d0
[  345.577134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.581283]  ? __switch_to_asm+0x40/0x70
[  345.585266]  ? check_preemption_disabled+0x48/0x280
[  345.589513]  ? __switch_to_asm+0x40/0x70
[  345.594137]  ? kasan_check_read+0x11/0x20
[  345.599242]  ? __ia32_sys_membarrier+0xb1/0x150
[  345.603827]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.607977]  ? __sched_text_start+0x8/0x8
[  345.612291]  ? rcu_softirq_qs+0x20/0x20
[  345.617049]  ? find_held_lock+0x36/0x1c0
[  345.621219]  ? preempt_schedule+0x4d/0x60
[  345.625811]  ? __kthread_parkme+0xce/0x1a0
[  345.629780]  ? ___preempt_schedule+0x16/0x18
[  345.633670]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  345.638775]  ? bpf_test_run+0x25d/0x780
[  345.642830]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  345.646898]  ? netlink_diag_dump+0x2a0/0x2a0
[  345.650968]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  345.655467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.659446]  ? trace_hardirqs_on+0xbd/0x310
[  345.663425]  ? bpf_test_init.isra.10+0x70/0x100
[  345.668967]  ? kasan_check_read+0x11/0x20
[  345.673020]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  345.678036]  ? __kthread_parkme+0xce/0x1a0
[  345.682108]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  345.686263]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.690931]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  345.696245]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  345.700385]  ? fput+0x130/0x1a0
[  345.704361]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.708418]  ? __bpf_prog_get+0x9b/0x290
[  345.712569]  ? __kthread_parkme+0xfb/0x1a0
[  345.716803]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  345.721239]  kthread+0x35a/0x420
[  345.726338]  ? bpf_prog_test_run+0x130/0x1a0
[  345.730380]  ? rcu_gp_init+0x1260/0x1260
[  345.735483]  ? __x64_sys_bpf+0x3d8/0x520
[  345.739888]  ? kthread_stop+0x900/0x900
[  345.744472]  ? bpf_prog_get+0x20/0x20
[  345.750036]  ret_from_fork+0x3a/0x50
[  345.754369]  ? do_syscall_64+0x1b9/0x820
[  345.759126] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  345.763165]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  345.763183]  ? syscall_return_slowpath+0x5e0/0x5e0
[  345.768129] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  345.772289]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.777124] syz-fuzzer cpuset=
[  345.782263]  ? trace_hardirqs_on_caller+0x310/0x310
[  345.787853] /
[  345.792972]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  345.796270]  mems_allowed=0
[  345.801810]  ? prepare_exit_to_usermode+0x291/0x3b0
[  345.901313]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.906185]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  345.911625] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  345.911628] Mem-Info:
[  345.911661] active_anon:56297 inactive_anon:436 isolated_anon:0
[  345.911661]  active_file:15 inactive_file:14 isolated_file:0
[  345.911661]  unevictable:0 dirty:0 writeback:0 unstable:0
[  345.911661]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  345.911661]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  345.911661]  free:13786 free_pcp:429 free_cma:0
[  345.918306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  345.918316] Call Trace:
[  345.920776] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  345.953879]  <IRQ>
[  345.963263] Node 0 
[  345.965862]  dump_stack+0x244/0x39d
[  345.993649] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  345.995801]  ? dump_stack_print_info.cold.1+0x20/0x20
[  345.998022] lowmem_reserve[]:
[  346.001765]  warn_alloc.cold.117+0xb7/0x1bd
[  346.027269]  0
[  346.032548]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  346.035635]  2818
[  346.039974]  ? lock_downgrade+0x900/0x900
[  346.041765]  6321
[  346.046710]  ? trace_hardirqs_off+0xb8/0x310
[  346.048779]  6321
[  346.053005]  ? trace_hardirqs_off+0xb8/0x310
[  346.059482]  __alloc_pages_slowpath+0x2660/0x2d70
[  346.061534] Node 0 
[  346.065980]  ? warn_alloc+0x120/0x120
[  346.070805] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  346.073030]  ? warn_alloc+0x120/0x120
[  346.076815] lowmem_reserve[]: 0
[  346.103552]  ? print_usage_bug+0xc0/0xc0
[  346.107338]  0 3503
[  346.110639]  ? warn_alloc+0x120/0x120
[  346.114687]  3503
[  346.116943]  ? print_usage_bug+0xc0/0xc0
[  346.122812]  ? __lock_acquire+0x62f/0x4c20
[  346.126865] Node 0 
[  346.131105]  ? __lock_acquire+0x62f/0x4c20
[  346.131140] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  346.133362]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.137583] lowmem_reserve[]:
[  346.166052]  ? should_fail+0x22d/0xd01
[  346.171584]  0
[  346.174703]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  346.178577]  0 0
[  346.180403]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.185696]  0
[  346.187681]  ? __lock_acquire+0x62f/0x4c20
[  346.194585]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.198810] Node 0 
[  346.203920]  ? __lock_acquire+0x62f/0x4c20
[  346.203930] DMA: 
[  346.206177]  ? should_fail+0x22d/0xd01
[  346.210435] 1*4kB 
[  346.212506]  ? rcu_irq_exit+0x1a2/0x390
[  346.216385] (U) 
[  346.218554]  ? mark_held_locks+0x130/0x130
[  346.222507] 0*8kB 0*16kB 
[  346.224504]  ? mark_held_locks+0x130/0x130
[  346.228733] 1*32kB 
[  346.231597]  ? mark_held_locks+0xc7/0x130
[  346.235908] (U) 
[  346.238264]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  346.242466] 2*64kB (U) 
[  346.244463]  ? zap_class+0x640/0x640
[  346.249473] 1*128kB (U) 
[  346.252084]  ? print_usage_bug+0xc0/0xc0
[  346.255788] 1*256kB 
[  346.258472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.262521] (U) 
[  346.264940]  ? check_preemption_disabled+0x48/0x280
[  346.270470] 0*512kB 
[  346.272459]  ? __lock_is_held+0xb5/0x140
[  346.277465] 1*1024kB (U) 
[  346.279809]  __alloc_pages_nodemask+0xa80/0xde0
[  346.283849] 1*2048kB (M) 
[  346.286626]  ? zap_class+0x640/0x640
[  346.291290] 3*4096kB 
[  346.294055]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  346.297759] (M) 
[  346.300190]  ? find_held_lock+0x36/0x1c0
[  346.305241] = 15908kB
[  346.307262]  ? ____cache_alloc_node+0x1c7/0x1e0
[  346.311308] Node 0 
[  346.313729]  ? lock_downgrade+0x900/0x900
[  346.318387] DMA32: 
[  346.320636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.324769] 5*4kB 
[  346.327102]  cache_grow_begin+0xa5/0x8c0
[  346.332715] (UM) 
[  346.334880]  ? do_raw_spin_unlock+0xa7/0x330
[  346.338935] 1*8kB 
[  346.341015]  fallback_alloc+0x204/0x2e0
[  346.345415] (U) 
[  346.347591]  ____cache_alloc_node+0x1c7/0x1e0
[  346.351599] 2*16kB 
[  346.353589]  kmem_cache_alloc_node+0xe3/0x730
[  346.358074] (M) 
[  346.360327]  ? ipv6_get_ifaddr+0x42e/0x620
[  346.364880] 1*32kB 
[  346.366875]  __alloc_skb+0x119/0x770
[  346.371107] (M) 
[  346.373374]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  346.377075] 3*64kB 
[  346.379067]  ? netdev_alloc_frag+0x1f0/0x1f0
[  346.384328] (M) 
[  346.386589]  ? lock_downgrade+0x900/0x900
[  346.390983] 5*128kB 
[  346.392981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.397112] (UM) 
[  346.399447]  ? refcount_sub_and_test_checked+0x203/0x310
[  346.404997] 3*256kB 
[  346.407076]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  346.412513] (M) 
[  346.414851]  ? addrconf_rs_timer+0x690/0x690
[  346.420285] 4*512kB (UM) 
[  346.422476]  ndisc_alloc_skb+0x144/0x340
[  346.426903] 3*1024kB 
[  346.430057]  ndisc_send_rs+0x331/0x6e0
[  346.434129] (UM) 
[  346.436550]  addrconf_rs_timer+0x314/0x690
[  346.440428] 3*2048kB 
[  346.442594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.446819] (UM) 
[  346.449274]  call_timer_fn+0x272/0x920
[  346.453487] 3*4096kB 
[  346.455643]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.459685] (M) = 25244kB
[  346.459702] Node 0 
[  346.462129]  ? process_timeout+0x40/0x40
[  346.466347] Normal: 719*4kB 
[  346.469130]  ? mark_held_locks+0xc7/0x130
[  346.471354] (UMEH) 
[  346.475428]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.478435] 258*8kB 
[  346.482592]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.484819] (UME) 
[  346.489411]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.491729] 197*16kB 
[  346.496257]  ? lockdep_hardirqs_on+0x296/0x5b0
[  346.498396] (UME) 
[  346.502645]  ? trace_hardirqs_on+0xbd/0x310
[  346.505045] 98*32kB 
[  346.509639]  ? kasan_check_read+0x11/0x20
[  346.511778] (UME) 
[  346.516115]  ? __run_timers+0x7da/0xc70
[  346.518428] 44*64kB 
[  346.522587]  ? trace_hardirqs_off_caller+0x310/0x310
[  346.524797] (UM) 
[  346.528854]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.531252] 0*128kB 0*256kB 
[  346.536381]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.538435] 0*512kB 
[  346.542816]  __run_timers+0x7e5/0xc70
[  346.545821] 0*1024kB 
[  346.550072]  ? timer_fixup_init+0x70/0x70
[  346.552382] 0*2048kB 
[  346.556190]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  346.558623] 0*4096kB 
[  346.562780]  ? zap_class+0x640/0x640
[  346.565181] = 14044kB
[  346.570257]  ? print_usage_bug+0xc0/0xc0
[  346.572662] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  346.576376]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  346.578785] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  346.582854]  ? find_held_lock+0x36/0x1c0
[  346.591685] 4793 total pagecache pages
[  346.596883]  ? zap_class+0x640/0x640
[  346.605450] 0 pages in swap cache
[  346.609523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.613416] Swap cache stats: add 0, delete 0, find 0/0
[  346.617134]  ? check_preemption_disabled+0x48/0x280
[  346.620577] Free swap  = 0kB
[  346.626129]  ? __lock_is_held+0xb5/0x140
[  346.631486] Total swap = 0kB
[  346.636513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.639523] 1965979 pages RAM
[  346.643593]  ? check_preemption_disabled+0x48/0x280
[  346.646604] 0 pages HighMem/MovableOnly
[  346.652156]  run_timer_softirq+0x52/0xb0
[  346.655253] 342867 pages reserved
[  346.660310]  ? rcu_read_lock_sched_held+0x14f/0x180
[  346.664278] 0 pages cma reserved
[  346.668348]  __do_softirq+0x308/0xb7e
[  346.671921] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  346.676882]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  346.676895]  ? lock_downgrade+0x900/0x900
[  346.676912]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  346.680402] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  346.684160]  ? pvclock_read_flags+0x160/0x160
[  346.690727] syz-executor4 cpuset=
[  346.695257]  ? lapic_next_event+0x5a/0x90
[  346.699395] syz4
[  346.704516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.714991]  mems_allowed=0
[  346.719497]  ? kvm_clock_read+0x18/0x30
[  346.741514]  ? kvm_sched_clock_read+0x9/0x20
[  346.745941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.751497]  ? check_preemption_disabled+0x48/0x280
[  346.756540]  irq_exit+0x17f/0x1c0
[  346.760015]  smp_apic_timer_interrupt+0x1cb/0x760
[  346.764930]  ? smp_reschedule_interrupt+0x109/0x650
[  346.769977]  ? smp_call_function_single_interrupt+0x650/0x650
[  346.775974]  ? interrupt_entry+0xb5/0xc0
[  346.780056]  ? trace_hardirqs_off_caller+0xbb/0x310
[  346.785087]  ? trace_hardirqs_off_caller+0xbb/0x310
[  346.790122]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.794985]  ? trace_hardirqs_on_caller+0x310/0x310
[  346.800012]  ? trace_hardirqs_on_caller+0x310/0x310
[  346.805052]  ? task_prio+0x50/0x50
[  346.808612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.814165]  ? check_preemption_disabled+0x48/0x280
[  346.819237]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.824110]  apic_timer_interrupt+0xf/0x20
[  346.828350]  </IRQ>
[  346.830594] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  346.835795] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  346.854702] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  346.862417] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  346.869688] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  346.876961] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  346.884230] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  346.891499] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  346.898805]  retint_kernel+0x1b/0x2d
[  346.902522] RIP: 0010:dump_stack+0x358/0x39d
[  346.906929] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  346.925845] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  346.933552] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  346.940916] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  346.948179] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  346.955454] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  346.962720] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  346.970013]  ? dump_stack+0x34f/0x39d
[  346.973826]  ? dump_stack_print_info.cold.1+0x20/0x20
[  346.979028]  dump_header+0x27b/0xf72
[  346.982757]  ? mark_held_locks+0x130/0x130
[  346.986996]  ? pagefault_out_of_memory+0x197/0x197
[  346.991932]  ? __lock_acquire+0x62f/0x4c20
[  346.996170]  ? zap_class+0x640/0x640
[  346.999895]  ? percpu_ref_get_many+0x240/0x240
[  347.004479]  ? print_usage_bug+0xc0/0xc0
[  347.008543]  ? print_usage_bug+0xc0/0xc0
[  347.012611]  ? zap_class+0x640/0x640
[  347.016328]  ? print_usage_bug+0xc0/0xc0
[  347.020394]  ? print_usage_bug+0xc0/0xc0
[  347.024465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.030009]  ? find_held_lock+0x36/0x1c0
[  347.034081]  ? mark_held_locks+0xc7/0x130
[  347.038234]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  347.043344]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  347.048449]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  347.053034]  ? trace_hardirqs_on+0xbd/0x310
[  347.057362]  ? kasan_check_read+0x11/0x20
[  347.061507]  ? ___ratelimit+0x3b4/0x672
[  347.065484]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.070593]  ? trace_hardirqs_on+0x310/0x310
[  347.075004]  ? lock_downgrade+0x900/0x900
[  347.079159]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  347.084277]  ? ___ratelimit+0x3b9/0x672
[  347.088253]  ? idr_get_free+0xec0/0xec0
[  347.092234]  ? find_held_lock+0x36/0x1c0
[  347.096308]  oom_kill_process.cold.27+0x10/0x903
[  347.101070]  ? zap_class+0x640/0x640
[  347.104788]  ? check_preemption_disabled+0x48/0x280
[  347.109829]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  347.114757]  ? kasan_check_read+0x11/0x20
[  347.118909]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.124191]  ? oom_evaluate_task+0x540/0x540
[  347.128618]  ? find_held_lock+0x36/0x1c0
[  347.132692]  ? out_of_memory+0x974/0x1430
[  347.136846]  ? lock_downgrade+0x900/0x900
[  347.140994]  ? check_preemption_disabled+0x48/0x280
[  347.146032]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  347.150967]  ? kasan_check_read+0x11/0x20
[  347.155116]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.160400]  ? rcu_softirq_qs+0x20/0x20
[  347.164382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.169917]  ? oom_evaluate_task+0x302/0x540
[  347.174331]  out_of_memory+0xa84/0x1430
[  347.178315]  ? oom_killer_disable+0x3a0/0x3a0
[  347.182816]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  347.187748]  ? __mutex_add_waiter+0x2a0/0x2a0
[  347.192259]  __alloc_pages_slowpath+0x22d4/0x2d70
[  347.197138]  ? warn_alloc+0x120/0x120
[  347.200944]  ? rcu_softirq_qs+0x20/0x20
[  347.204963]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.210501]  ? should_fail+0x22d/0xd01
[  347.214393]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  347.219502]  ? zap_class+0x640/0x640
[  347.223247]  ? __lock_is_held+0xb5/0x140
[  347.227322]  ? mark_held_locks+0x130/0x130
[  347.231568]  ? lock_release+0xa00/0xa00
[  347.235543]  ? perf_trace_sched_process_exec+0x860/0x860
[  347.241021]  ? __might_sleep+0x95/0x190
[  347.245006]  __alloc_pages_nodemask+0xa80/0xde0
[  347.249686]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  347.254705]  ? __page_cache_alloc+0x191/0x5c0
[  347.259224]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  347.264156]  ? kasan_check_read+0x11/0x20
[  347.268306]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.273588]  ? zap_class+0x640/0x640
[  347.277314]  ? zap_class+0x640/0x640
[  347.281028]  ? zap_class+0x640/0x640
[  347.284745]  ? __do_page_cache_readahead+0x7ce/0x980
[  347.289854]  ? find_held_lock+0x36/0x1c0
[  347.293926]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  347.299746]  alloc_pages_current+0x173/0x350
[  347.304166]  __page_cache_alloc+0x38c/0x5c0
[  347.308496]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  347.313425]  ? kasan_check_read+0x11/0x20
[  347.317575]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.322856]  ? generic_perform_write+0x6a0/0x6a0
[  347.327620]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.333161]  ? check_preemption_disabled+0x48/0x280
[  347.338199]  filemap_fault+0x1594/0x25f0
[  347.342283]  ? __lock_page_or_retry+0xa00/0xa00
[  347.346965]  ? mark_held_locks+0x130/0x130
[  347.351214]  ? rcu_softirq_qs+0x20/0x20
[  347.355216]  ? filemap_map_pages+0xe04/0x1990
[  347.359730]  ? __free_object+0x173/0x340
[  347.363794]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  347.368725]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.373831]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  347.378513]  ? debug_object_free+0x32d/0x690
[  347.382924]  ? kasan_check_read+0x11/0x20
[  347.387079]  ? debug_object_destroy+0x2b0/0x2b0
[  347.391750]  ? lock_pi_update_atomic+0x150/0x150
[  347.396509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.402045]  ? __hrtimer_init+0xdb/0x240
[  347.406119]  ? lock_acquire+0x1ed/0x520
[  347.410092]  ? ext4_filemap_fault+0x7a/0xad
[  347.414425]  ? lock_release+0xa00/0xa00
[  347.418399]  ? perf_trace_sched_process_exec+0x860/0x860
[  347.423853]  ? print_usage_bug+0xc0/0xc0
[  347.427919]  ? print_usage_bug+0xc0/0xc0
[  347.432003]  ? down_read+0x8d/0x120
[  347.435634]  ? ext4_filemap_fault+0x7a/0xad
[  347.439963]  ? __down_interruptible+0x700/0x700
[  347.444649]  ext4_filemap_fault+0x82/0xad
[  347.448801]  __do_fault+0x100/0x6b0
[  347.452432]  ? find_held_lock+0x36/0x1c0
[  347.456498]  ? pmd_devmap_trans_unstable+0x220/0x220
[  347.461608]  ? mark_held_locks+0x130/0x130
[  347.465850]  ? mark_held_locks+0x130/0x130
[  347.470099]  ? kasan_check_read+0x11/0x20
[  347.474252]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.479797]  __handle_mm_fault+0x307c/0x5920
[  347.484213]  ? perf_trace_lock+0x7a0/0x7a0
[  347.488460]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  347.493315]  ? __switch_to_asm+0x34/0x70
[  347.497380]  ? __switch_to_asm+0x34/0x70
[  347.501456]  ? zap_class+0x640/0x640
[  347.505169]  ? zap_class+0x640/0x640
[  347.508893]  ? __x64_sys_futex+0x53e/0x6a0
[  347.513139]  ? find_held_lock+0x36/0x1c0
[  347.517222]  ? handle_mm_fault+0x42a/0xc70
[  347.521460]  ? lock_downgrade+0x900/0x900
[  347.525610]  ? check_preemption_disabled+0x48/0x280
[  347.530644]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  347.535573]  ? kasan_check_read+0x11/0x20
[  347.539743]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.545021]  ? rcu_softirq_qs+0x20/0x20
[  347.548998]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.554149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.559688]  ? check_preemption_disabled+0x48/0x280
[  347.564719]  handle_mm_fault+0x54f/0xc70
[  347.568788]  ? __handle_mm_fault+0x5920/0x5920
[  347.573379]  ? find_vma+0x34/0x190
[  347.576926]  __do_page_fault+0x5e8/0xe60
[  347.580990]  ? trace_hardirqs_off+0xb8/0x310
[  347.585411]  do_page_fault+0xf2/0x7e0
[  347.589220]  ? vmalloc_sync_all+0x30/0x30
[  347.593373]  ? error_entry+0x70/0xd0
[  347.597089]  ? trace_hardirqs_off_caller+0xbb/0x310
[  347.602108]  ? trace_hardirqs_on_caller+0xc0/0x310
[  347.607038]  ? syscall_return_slowpath+0x5e0/0x5e0
[  347.611971]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.616820]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.621838]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  347.627293]  ? prepare_exit_to_usermode+0x291/0x3b0
[  347.632315]  ? page_fault+0x8/0x30
[  347.635859]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.640714]  ? page_fault+0x8/0x30
[  347.644261]  page_fault+0x1e/0x30
[  347.647717] RIP: 0033:0x40f9c0
[  347.650920] Code: Bad RIP value.
[  347.654284] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  347.659650] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  347.666916] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  347.674183] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  347.681457] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  347.688724] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  347.696022] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  347.696085] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  347.703037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  347.703042] Call Trace:
[  347.703049]  <IRQ>
[  347.703069]  dump_stack+0x244/0x39d
[  347.703087]  ? dump_stack_print_info.cold.1+0x20/0x20
[  347.709650] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  347.718925]  warn_alloc.cold.117+0xb7/0x1bd
[  347.721482] syz-fuzzer cpuset=
[  347.723628]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  347.727233] /
[  347.732418]  ? lock_downgrade+0x900/0x900
[  347.742615]  mems_allowed=0
[  347.746933]  ? trace_hardirqs_off+0xb8/0x310
[  347.768070]  ? trace_hardirqs_off+0xb8/0x310
[  347.772497]  __alloc_pages_slowpath+0x2660/0x2d70
[  347.777374]  ? warn_alloc+0x120/0x120
[  347.781182]  ? warn_alloc+0x120/0x120
[  347.785018]  ? print_usage_bug+0xc0/0xc0
[  347.789081]  ? warn_alloc+0x120/0x120
[  347.792885]  ? print_usage_bug+0xc0/0xc0
[  347.796952]  ? __lock_acquire+0x62f/0x4c20
[  347.801189]  ? __lock_acquire+0x62f/0x4c20
[  347.805440]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.810988]  ? should_fail+0x22d/0xd01
[  347.814879]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  347.819989]  ? __lock_acquire+0x62f/0x4c20
[  347.824234]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  347.829336]  ? __lock_acquire+0x62f/0x4c20
[  347.833569]  ? should_fail+0x22d/0xd01
[  347.837464]  ? find_held_lock+0x36/0x1c0
[  347.841535]  ? mark_held_locks+0x130/0x130
[  347.845786]  ? mark_held_locks+0x130/0x130
[  347.850029]  ? zap_class+0x640/0x640
[  347.853748]  ? zap_class+0x640/0x640
[  347.857472]  ? print_usage_bug+0xc0/0xc0
[  347.861530]  ? do_raw_spin_unlock+0xa7/0x330
[  347.865938]  ? zap_class+0x640/0x640
[  347.869652]  ? print_usage_bug+0xc0/0xc0
[  347.873714]  ? wq_watchdog_touch+0x9c/0xfe
[  347.877953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.883496]  ? check_preemption_disabled+0x48/0x280
[  347.888527]  ? __lock_is_held+0xb5/0x140
[  347.892600]  __alloc_pages_nodemask+0xa80/0xde0
[  347.897276]  ? zap_class+0x640/0x640
[  347.900997]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  347.906027]  ? find_held_lock+0x36/0x1c0
[  347.910105]  ? ____cache_alloc_node+0x1c7/0x1e0
[  347.914780]  ? lock_downgrade+0x900/0x900
[  347.918944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.924512]  cache_grow_begin+0xa5/0x8c0
[  347.928582]  ? do_raw_spin_unlock+0xa7/0x330
[  347.933005]  fallback_alloc+0x204/0x2e0
[  347.936992]  ____cache_alloc_node+0x1c7/0x1e0
[  347.941501]  kmem_cache_alloc_node+0xe3/0x730
[  347.946002]  ? ipv6_get_ifaddr+0x42e/0x620
[  347.950250]  __alloc_skb+0x119/0x770
[  347.953969]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.959256]  ? netdev_alloc_frag+0x1f0/0x1f0
[  347.963670]  ? lock_downgrade+0x900/0x900
[  347.967830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.973372]  ? refcount_sub_and_test_checked+0x203/0x310
[  347.978833]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  347.984287]  ? addrconf_rs_timer+0x690/0x690
[  347.988707]  ndisc_alloc_skb+0x144/0x340
[  347.992780]  ndisc_send_rs+0x331/0x6e0
[  347.996674]  addrconf_rs_timer+0x314/0x690
[  348.000914]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.005170]  call_timer_fn+0x272/0x920
[  348.009067]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.013306]  ? process_timeout+0x40/0x40
[  348.017377]  ? __run_timers+0x7da/0xc70
[  348.021355]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.025853]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.030349]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.034589]  ? lockdep_hardirqs_on+0x296/0x5b0
[  348.039173]  ? trace_hardirqs_on+0xbd/0x310
[  348.043503]  ? kasan_check_read+0x11/0x20
[  348.047658]  ? __run_timers+0x7da/0xc70
[  348.051633]  ? trace_hardirqs_off_caller+0x310/0x310
[  348.056740]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.060981]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  348.065223]  __run_timers+0x7e5/0xc70
[  348.069037]  ? timer_fixup_init+0x70/0x70
[  348.073211]  ? kasan_check_read+0x11/0x20
[  348.077368]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  348.082649]  ? rcu_softirq_qs+0x20/0x20
[  348.086626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.092165]  ? check_preemption_disabled+0x48/0x280
[  348.097207]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  348.101969]  ? retint_kernel+0x2d/0x2d
[  348.105911]  ? trace_hardirqs_on_caller+0xc0/0x310
[  348.110847]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  348.115604]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  348.121060]  ? zap_class+0x640/0x640
[  348.124783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.130322]  ? check_preemption_disabled+0x48/0x280
[  348.135352]  ? __lock_is_held+0xb5/0x140
[  348.139416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.144956]  ? check_preemption_disabled+0x48/0x280
[  348.149977]  run_timer_softirq+0x52/0xb0
[  348.154039]  ? rcu_read_lock_sched_held+0x14f/0x180
[  348.159055]  __do_softirq+0x308/0xb7e
[  348.162859]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  348.167352]  ? lock_downgrade+0x900/0x900
[  348.171505]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  348.176623]  ? pvclock_read_flags+0x160/0x160
[  348.181125]  ? lapic_next_event+0x5a/0x90
[  348.185277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.190820]  ? kvm_clock_read+0x18/0x30
[  348.194793]  ? kvm_sched_clock_read+0x9/0x20
[  348.199214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.204758]  ? check_preemption_disabled+0x48/0x280
[  348.209785]  irq_exit+0x17f/0x1c0
[  348.213244]  smp_apic_timer_interrupt+0x1cb/0x760
[  348.218086]  ? smp_call_function_single_interrupt+0x159/0x650
[  348.223968]  ? smp_call_function_single_interrupt+0x650/0x650
[  348.229861]  ? interrupt_entry+0xb5/0xc0
[  348.233939]  ? trace_hardirqs_off_caller+0xbb/0x310
[  348.238956]  ? trace_hardirqs_off_caller+0xbb/0x310
[  348.243976]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.248824]  ? trace_hardirqs_on_caller+0x310/0x310
[  348.253842]  ? trace_hardirqs_on_caller+0x310/0x310
[  348.258857]  ? task_prio+0x50/0x50
[  348.262402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.267942]  ? check_preemption_disabled+0x48/0x280
[  348.272970]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.277829]  apic_timer_interrupt+0xf/0x20
[  348.282060]  </IRQ>
[  348.284304] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  348.289234] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  348.308131] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  348.315839] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  348.323106] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  348.330374] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  348.337644] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  348.344909] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  348.352229]  skb_clone+0x1bb/0x500
[  348.355774]  ? skb_split+0x11e0/0x11e0
[  348.359660]  ? check_preemption_disabled+0x48/0x280
[  348.364683]  ? __this_cpu_preempt_check+0x1c/0x20
[  348.369527]  ? __bpf_redirect+0x54b/0xb20
[  348.373685]  bpf_clone_redirect+0xb9/0x490
[  348.377930]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  348.382950]  ? __sched_text_start+0x8/0x8
[  348.387099]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  348.391857]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  348.396443]  ? retint_kernel+0x2d/0x2d
[  348.400341]  ? find_held_lock+0x36/0x1c0
[  348.404409]  ? lock_acquire+0x1ed/0x520
[  348.408382]  ? bpf_test_run+0x3cb/0x780
[  348.412360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.417900]  ? check_preemption_disabled+0x48/0x280
[  348.422924]  ? kasan_check_read+0x11/0x20
[  348.427338]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  348.432836]  ? rcu_softirq_qs+0x20/0x20
[  348.436812]  ? preempt_schedule+0x4d/0x60
[  348.440959]  ? ___preempt_schedule+0x16/0x18
[  348.445379]  ? bpf_test_run+0x25d/0x780
[  348.449367]  ? netlink_diag_dump+0x2a0/0x2a0
[  348.453778]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.459318]  ? bpf_test_init.isra.10+0x70/0x100
[  348.463995]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  348.468762]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  348.473610]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  348.479151]  ? fput+0x130/0x1a0
[  348.482431]  ? __bpf_prog_get+0x9b/0x290
[  348.486502]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  348.491343]  ? bpf_prog_test_run+0x130/0x1a0
[  348.495757]  ? __x64_sys_bpf+0x3d8/0x520
[  348.499822]  ? bpf_prog_get+0x20/0x20
[  348.503645]  ? do_syscall_64+0x1b9/0x820
[  348.507707]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  348.513074]  ? syscall_return_slowpath+0x5e0/0x5e0
[  348.518035]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.522881]  ? trace_hardirqs_on_caller+0x310/0x310
[  348.527910]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  348.532928]  ? prepare_exit_to_usermode+0x291/0x3b0
[  348.537957]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.542810]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  348.548191] warn_alloc_show_mem: 1 callbacks suppressed
[  348.548210] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  348.548212] Mem-Info:
[  348.548243] active_anon:56297 inactive_anon:436 isolated_anon:0
[  348.548243]  active_file:15 inactive_file:14 isolated_file:0
[  348.548243]  unevictable:0 dirty:0 writeback:0 unstable:0
[  348.548243]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  348.548243]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  348.548243]  free:13786 free_pcp:429 free_cma:0
[  348.553586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  348.560259] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  348.562656] Call Trace:
[  348.595615] Node 0 
[  348.604963]  <IRQ>
[  348.632736] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  348.635305]  dump_stack+0x244/0x39d
[  348.637510] lowmem_reserve[]:
[  348.639658]  ? dump_stack_print_info.cold.1+0x20/0x20
[  348.665132]  0 2818
[  348.668784]  warn_alloc.cold.117+0xb7/0x1bd
[  348.671851]  6321
[  348.677033]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  348.679237]  6321
[  348.683565]  ? lock_downgrade+0x900/0x900
[  348.685602] Node 0 
[  348.690441]  ? trace_hardirqs_off+0xb8/0x310
[  348.692503] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  348.696625]  ? trace_hardirqs_off+0xb8/0x310
[  348.698832] lowmem_reserve[]:
[  348.703239]  __alloc_pages_slowpath+0x2660/0x2d70
[  348.729929]  0
[  348.734366]  ? warn_alloc+0x120/0x120
[  348.737416]  0
[  348.742255]  ? warn_alloc+0x120/0x120
[  348.744028]  3503 3503
[  348.747831]  ? print_usage_bug+0xc0/0xc0
[  348.753402]  ? warn_alloc+0x120/0x120
[  348.755874] Node 0 
[  348.759931]  ? print_usage_bug+0xc0/0xc0
[  348.763737] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  348.765942]  ? __lock_acquire+0x62f/0x4c20
[  348.769975] lowmem_reserve[]: 0
[  348.798467]  ? __lock_acquire+0x62f/0x4c20
[  348.802678]  0
[  348.805962]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.810162]  0
[  348.811964]  ? should_fail+0x22d/0xd01
[  348.817474]  0
[  348.819279]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  348.824948]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.830209] Node 0 DMA: 
[  348.835306]  ? __lock_acquire+0x62f/0x4c20
[  348.835323]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.837974] 1*4kB 
[  348.842208]  ? __lock_acquire+0x62f/0x4c20
[  348.847284] (U) 
[  348.849432]  ? should_fail+0x22d/0xd01
[  348.853637] 0*8kB 0*16kB 
[  348.855639]  ? rcu_irq_exit+0x1a2/0x390
[  348.859498] 1*32kB 
[  348.862264]  ? mark_held_locks+0x130/0x130
[  348.866212] (U) 
[  348.868448]  ? mark_held_locks+0x130/0x130
[  348.872666] 2*64kB 
[  348.874642]  ? mark_held_locks+0xc7/0x130
[  348.878851] (U) 
[  348.881082]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  348.881099]  ? zap_class+0x640/0x640
[  348.885229] 1*128kB 
[  348.887210]  ? print_usage_bug+0xc0/0xc0
[  348.892225] (U) 
[  348.895947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.898239] 1*256kB 
[  348.902294]  ? check_preemption_disabled+0x48/0x280
[  348.904261] (U) 
[  348.909801]  ? __lock_is_held+0xb5/0x140
[  348.912097] 0*512kB 
[  348.917108]  __alloc_pages_nodemask+0xa80/0xde0
[  348.919050] 1*1024kB (U) 
[  348.923114]  ? zap_class+0x640/0x640
[  348.925408] 1*2048kB (M) 
[  348.930079]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  348.932814] 3*4096kB 
[  348.936529]  ? find_held_lock+0x36/0x1c0
[  348.939252] (M) 
[  348.944268]  ? ____cache_alloc_node+0x1c7/0x1e0
[  348.946667] = 15908kB
[  348.950720]  ? lock_downgrade+0x900/0x900
[  348.952672] Node 0 
[  348.957342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.959726] DMA32: 
[  348.963870]  cache_grow_begin+0xa5/0x8c0
[  348.966080] 5*4kB 
[  348.971606]  ? do_raw_spin_unlock+0xa7/0x330
[  348.973818] (UM) 
[  348.977877]  fallback_alloc+0x204/0x2e0
[  348.980002] 1*8kB 
[  348.984404]  ____cache_alloc_node+0x1c7/0x1e0
[  348.986443] (U) 
[  348.990412]  kmem_cache_alloc_node+0xe3/0x730
[  348.992535] 2*16kB 
[  348.997024]  ? ipv6_get_ifaddr+0x42e/0x620
[  348.998974] (M) 
[  349.003469]  __alloc_skb+0x119/0x770
[  349.005680] 1*32kB 
[  349.009911]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.011864] (M) 
[  349.015575]  ? netdev_alloc_frag+0x1f0/0x1f0
[  349.017788] 3*64kB 
[  349.023057]  ? lock_downgrade+0x900/0x900
[  349.025005] (M) 5*128kB 
[  349.029424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.031633] (UM) 
[  349.035776]  ? refcount_sub_and_test_checked+0x203/0x310
[  349.038423] 3*256kB 
[  349.043951]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  349.045992] (M) 
[  349.051437]  ? addrconf_rs_timer+0x690/0x690
[  349.053736] 4*512kB 
[  349.059188]  ndisc_alloc_skb+0x144/0x340
[  349.061138] (UM) 
[  349.065545]  ndisc_send_rs+0x331/0x6e0
[  349.067846] 3*1024kB 
[  349.071943]  addrconf_rs_timer+0x314/0x690
[  349.073982] (UM) 
[  349.077862]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.080246] 3*2048kB 
[  349.084484]  call_timer_fn+0x272/0x920
[  349.086521] (UM) 
[  349.090746]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.093134] 3*4096kB 
[  349.097013]  ? process_timeout+0x40/0x40
[  349.099055] (M) 
[  349.103294]  ? mark_held_locks+0xc7/0x130
[  349.105679] = 25244kB
[  349.109733]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.111686] Node 0 
[  349.115826]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.118218] Normal: 
[  349.122702]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.124915] 719*4kB 
[  349.129400]  ? lockdep_hardirqs_on+0x296/0x5b0
[  349.131700] (UMEH) 
[  349.135931]  ? trace_hardirqs_on+0xbd/0x310
[  349.138234] 258*8kB 
[  349.142809]  ? kasan_check_read+0x11/0x20
[  349.145018] (UME) 
[  349.149335]  ? __run_timers+0x7da/0xc70
[  349.151632] 197*16kB 
[  349.155773]  ? trace_hardirqs_off_caller+0x310/0x310
[  349.157898] (UME) 
[  349.161864]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.164255] 98*32kB 
[  349.169354]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.171479] (UME) 
[  349.175706]  __run_timers+0x7e5/0xc70
[  349.178004] 44*64kB 
[  349.182245]  ? timer_fixup_init+0x70/0x70
[  349.184360] (UM) 
[  349.188158]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  349.190461] 0*128kB 
[  349.194599]  ? zap_class+0x640/0x640
[  349.196640] 0*256kB 
[  349.201658]  ? print_usage_bug+0xc0/0xc0
[  349.203954] 0*512kB 
[  349.207685]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  349.209988] 0*1024kB 
[  349.214044]  ? find_held_lock+0x36/0x1c0
[  349.216342] 0*2048kB 
[  349.221535]  ? zap_class+0x640/0x640
[  349.223920] 0*4096kB 
[  349.227985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.230368] = 14044kB
[  349.234077]  ? check_preemption_disabled+0x48/0x280
[  349.236470] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  349.241997]  ? __lock_is_held+0xb5/0x140
[  349.244384] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  349.249391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.258205] 4793 total pagecache pages
[  349.262264]  ? check_preemption_disabled+0x48/0x280
[  349.270818] 0 pages in swap cache
[  349.276344]  run_timer_softirq+0x52/0xb0
[  349.280215] Swap cache stats: add 0, delete 0, find 0/0
[  349.285230]  ? rcu_read_lock_sched_held+0x14f/0x180
[  349.288656] Free swap  = 0kB
[  349.292710]  __do_softirq+0x308/0xb7e
[  349.298501] Total swap = 0kB
[  349.298509] 1965979 pages RAM
[  349.303523]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  349.306516] 0 pages HighMem/MovableOnly
[  349.310309]  ? lock_downgrade+0x900/0x900
[  349.313303] 342867 pages reserved
[  349.316401]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  349.320875] 0 pages cma reserved
[  349.324846]  ? pvclock_read_flags+0x160/0x160
[  349.329026] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  349.332420]  ? lapic_next_event+0x5a/0x90
[  349.337583] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  349.340857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.345327] syz-executor4 cpuset=
[  349.351817]  ? kvm_clock_read+0x18/0x30
[  349.355940] syz4
[  349.366422]  ? kvm_sched_clock_read+0x9/0x20
[  349.371935]  mems_allowed=0
[  349.375382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.394127]  ? check_preemption_disabled+0x48/0x280
[  349.399158]  irq_exit+0x17f/0x1c0
[  349.402617]  smp_apic_timer_interrupt+0x1cb/0x760
[  349.407462]  ? smp_reschedule_interrupt+0x109/0x650
[  349.412483]  ? smp_call_function_single_interrupt+0x650/0x650
[  349.418372]  ? interrupt_entry+0xb5/0xc0
[  349.422434]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.427454]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.432474]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.437325]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.442340]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.447357]  ? task_prio+0x50/0x50
[  349.450902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.456439]  ? check_preemption_disabled+0x48/0x280
[  349.461469]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.466327]  apic_timer_interrupt+0xf/0x20
[  349.470566]  </IRQ>
[  349.472805] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  349.477994] Code: 00 e8 e5 6b 90 f9 e8 e0 1c c0 f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 3a cb 8d 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d 10 cb
[  349.496893] RSP: 0000:ffff8801ba656140 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  349.504607] RAX: 1ffffffff12a3e90 RBX: 0000000000000000 RCX: 1ffff1003ae965d6
[  349.511874] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d74b2e3c
[  349.519143] RBP: ffff8801ba656168 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  349.526413] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: dffffc0000000000
[  349.533677] R13: fffffbfff12a3e8f R14: ffffffff8951f480 R15: ffffffff8951f478
[  349.540987]  retint_kernel+0x1b/0x2d
[  349.544707] RIP: 0010:dump_stack+0x358/0x39d
[  349.549115] Code: 74 0c 48 c7 c7 70 f4 51 89 e8 21 fa 02 fa 48 83 3d e9 f3 93 01 00 0f 84 63 fe ff ff e8 3e 21 c0 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 2b 21 c0 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  349.568014] RSP: 0000:ffff8801ba656220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  349.575724] RAX: ffff8801d74b25c0 RBX: 1ffffffff12a3e8e RCX: 1ffff1003ae965d6
[  349.582987] RDX: 0000000000000000 RSI: ffffffff87be0092 RDI: 0000000000000293
[  349.590251] RBP: ffff8801ba6562c8 R08: ffff8801d74b2eb0 R09: 0000000000000006
[  349.597517] R10: 0000000000000000 R11: ffff8801d74b25c0 R12: 1ffff100374cac4c
[  349.604782] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  349.612068]  ? dump_stack+0x34f/0x39d
[  349.615880]  ? dump_stack_print_info.cold.1+0x20/0x20
[  349.621086]  dump_header+0x27b/0xf72
[  349.624811]  ? mark_held_locks+0x130/0x130
[  349.629047]  ? pagefault_out_of_memory+0x197/0x197
[  349.633991]  ? __lock_acquire+0x62f/0x4c20
[  349.638231]  ? zap_class+0x640/0x640
[  349.641953]  ? percpu_ref_get_many+0x240/0x240
[  349.646546]  ? print_usage_bug+0xc0/0xc0
[  349.650613]  ? print_usage_bug+0xc0/0xc0
[  349.654680]  ? zap_class+0x640/0x640
[  349.658397]  ? print_usage_bug+0xc0/0xc0
[  349.662461]  ? print_usage_bug+0xc0/0xc0
[  349.666535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.672078]  ? find_held_lock+0x36/0x1c0
[  349.676178]  ? mark_held_locks+0xc7/0x130
[  349.680343]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  349.685450]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  349.690557]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  349.695143]  ? trace_hardirqs_on+0xbd/0x310
[  349.699464]  ? kasan_check_read+0x11/0x20
[  349.703612]  ? ___ratelimit+0x3b4/0x672
[  349.707592]  ? trace_hardirqs_off_caller+0x310/0x310
[  349.712697]  ? trace_hardirqs_on+0x310/0x310
[  349.717105]  ? lock_downgrade+0x900/0x900
[  349.721264]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  349.726371]  ? ___ratelimit+0x3b9/0x672
[  349.730346]  ? idr_get_free+0xec0/0xec0
[  349.734325]  ? find_held_lock+0x36/0x1c0
[  349.738401]  oom_kill_process.cold.27+0x10/0x903
[  349.743160]  ? zap_class+0x640/0x640
[  349.746871]  ? check_preemption_disabled+0x48/0x280
[  349.751892]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  349.756823]  ? kasan_check_read+0x11/0x20
[  349.760976]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.766260]  ? oom_evaluate_task+0x540/0x540
[  349.770675]  ? find_held_lock+0x36/0x1c0
[  349.774747]  ? out_of_memory+0x974/0x1430
[  349.778897]  ? lock_downgrade+0x900/0x900
[  349.783046]  ? check_preemption_disabled+0x48/0x280
[  349.788069]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  349.793054]  ? kasan_check_read+0x11/0x20
[  349.797212]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.802494]  ? rcu_softirq_qs+0x20/0x20
[  349.806479]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.812015]  ? oom_evaluate_task+0x302/0x540
[  349.816433]  out_of_memory+0xa84/0x1430
[  349.820420]  ? oom_killer_disable+0x3a0/0x3a0
[  349.824916]  ? __alloc_pages_slowpath+0xea7/0x2d70
[  349.829848]  ? __mutex_add_waiter+0x2a0/0x2a0
[  349.834359]  __alloc_pages_slowpath+0x22d4/0x2d70
[  349.839240]  ? warn_alloc+0x120/0x120
[  349.843044]  ? rcu_softirq_qs+0x20/0x20
[  349.847052]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.852593]  ? should_fail+0x22d/0xd01
[  349.856487]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.861593]  ? zap_class+0x640/0x640
[  349.865336]  ? __lock_is_held+0xb5/0x140
[  349.869411]  ? mark_held_locks+0x130/0x130
[  349.873651]  ? lock_release+0xa00/0xa00
[  349.877625]  ? perf_trace_sched_process_exec+0x860/0x860
[  349.883102]  ? __might_sleep+0x95/0x190
[  349.887085]  __alloc_pages_nodemask+0xa80/0xde0
[  349.891762]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  349.896782]  ? __page_cache_alloc+0x191/0x5c0
[  349.901281]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  349.906217]  ? kasan_check_read+0x11/0x20
[  349.910371]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.915652]  ? zap_class+0x640/0x640
[  349.919374]  ? zap_class+0x640/0x640
[  349.923087]  ? zap_class+0x640/0x640
[  349.926800]  ? __do_page_cache_readahead+0x7ce/0x980
[  349.931910]  ? find_held_lock+0x36/0x1c0
[  349.935986]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  349.941533]  alloc_pages_current+0x173/0x350
[  349.945950]  __page_cache_alloc+0x38c/0x5c0
[  349.950277]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  349.955212]  ? kasan_check_read+0x11/0x20
[  349.959368]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.964649]  ? generic_perform_write+0x6a0/0x6a0
[  349.969411]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.974951]  ? check_preemption_disabled+0x48/0x280
[  349.979990]  filemap_fault+0x1594/0x25f0
[  349.984084]  ? __lock_page_or_retry+0xa00/0xa00
[  349.988756]  ? mark_held_locks+0x130/0x130
[  349.992992]  ? rcu_softirq_qs+0x20/0x20
[  349.996990]  ? filemap_map_pages+0xe04/0x1990
[  350.001497]  ? __free_object+0x173/0x340
[  350.005566]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  350.010502]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.015607]  ? hrtimer_try_to_cancel+0xb8/0x6f0
[  350.020293]  ? debug_object_free+0x32d/0x690
[  350.024700]  ? kasan_check_read+0x11/0x20
[  350.028853]  ? debug_object_destroy+0x2b0/0x2b0
[  350.033524]  ? lock_pi_update_atomic+0x150/0x150
[  350.038279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.043819]  ? __hrtimer_init+0xdb/0x240
[  350.047895]  ? lock_acquire+0x1ed/0x520
[  350.051868]  ? ext4_filemap_fault+0x7a/0xad
[  350.056206]  ? lock_release+0xa00/0xa00
[  350.060186]  ? perf_trace_sched_process_exec+0x860/0x860
[  350.065646]  ? print_usage_bug+0xc0/0xc0
[  350.069712]  ? print_usage_bug+0xc0/0xc0
[  350.073790]  ? down_read+0x8d/0x120
[  350.077416]  ? ext4_filemap_fault+0x7a/0xad
[  350.081741]  ? __down_interruptible+0x700/0x700
[  350.086419]  ext4_filemap_fault+0x82/0xad
[  350.090572]  __do_fault+0x100/0x6b0
[  350.094204]  ? find_held_lock+0x36/0x1c0
[  350.098270]  ? pmd_devmap_trans_unstable+0x220/0x220
[  350.103377]  ? mark_held_locks+0x130/0x130
[  350.107619]  ? mark_held_locks+0x130/0x130
[  350.111862]  ? kasan_check_read+0x11/0x20
[  350.116012]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.121558]  __handle_mm_fault+0x307c/0x5920
[  350.125973]  ? perf_trace_lock+0x7a0/0x7a0
[  350.130227]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  350.135087]  ? __switch_to_asm+0x34/0x70
[  350.139148]  ? __switch_to_asm+0x34/0x70
[  350.143232]  ? zap_class+0x640/0x640
[  350.146949]  ? zap_class+0x640/0x640
[  350.150667]  ? __x64_sys_futex+0x53e/0x6a0
[  350.154912]  ? find_held_lock+0x36/0x1c0
[  350.158987]  ? handle_mm_fault+0x42a/0xc70
[  350.163236]  ? lock_downgrade+0x900/0x900
[  350.167382]  ? check_preemption_disabled+0x48/0x280
[  350.172409]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  350.177338]  ? kasan_check_read+0x11/0x20
[  350.181491]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.186773]  ? rcu_softirq_qs+0x20/0x20
[  350.190753]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.195860]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.201403]  ? check_preemption_disabled+0x48/0x280
[  350.206426]  handle_mm_fault+0x54f/0xc70
[  350.210496]  ? __handle_mm_fault+0x5920/0x5920
[  350.215083]  ? find_vma+0x34/0x190
[  350.218631]  __do_page_fault+0x5e8/0xe60
[  350.222691]  ? trace_hardirqs_off+0xb8/0x310
[  350.227111]  do_page_fault+0xf2/0x7e0
[  350.230913]  ? vmalloc_sync_all+0x30/0x30
[  350.235062]  ? error_entry+0x70/0xd0
[  350.238777]  ? trace_hardirqs_off_caller+0xbb/0x310
[  350.243793]  ? trace_hardirqs_on_caller+0xc0/0x310
[  350.248724]  ? syscall_return_slowpath+0x5e0/0x5e0
[  350.253650]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.258495]  ? trace_hardirqs_on_caller+0x310/0x310
[  350.263514]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  350.268983]  ? prepare_exit_to_usermode+0x291/0x3b0
[  350.273999]  ? page_fault+0x8/0x30
[  350.277547]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.282397]  ? page_fault+0x8/0x30
[  350.285942]  page_fault+0x1e/0x30
[  350.289400] RIP: 0033:0x40f9c0
[  350.292607] Code: Bad RIP value.
[  350.295973] RSP: 002b:000000c4200206f8 EFLAGS: 00010216
[  350.301339] RAX: ffffffffffffff92 RBX: 000000003b97d76f RCX: 000000000045ddf3
[  350.308608] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014e5a80
[  350.315876] RBP: 000000c420020720 R08: 0000000000000000 R09: 0000000000000000
[  350.323141] R10: 000000c4200206d8 R11: 0000000000000206 R12: 0000000000000001
[  350.330408] R13: 00000000000028ed R14: 0000000000005713 R15: 0000000000005707
[  350.337706] CPU: 0 PID: 10072 Comm: syz-executor4 Not tainted 4.19.0+ #135
[  350.337770] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  350.344719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  350.344728] Call Trace:
[  350.351300] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  350.360559]  <IRQ>
[  350.363138] syz-fuzzer cpuset=
[  350.373361]  dump_stack+0x244/0x39d
[  350.375486] /
[  350.378677]  ? dump_stack_print_info.cold.1+0x20/0x20
[  350.382280]  mems_allowed=0
[  350.384000]  warn_alloc.cold.117+0xb7/0x1bd
[  350.396414]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  350.401262]  ? lock_downgrade+0x900/0x900
[  350.405423]  ? trace_hardirqs_off+0xb8/0x310
[  350.409845]  ? trace_hardirqs_off+0xb8/0x310
[  350.414267]  __alloc_pages_slowpath+0x2660/0x2d70
[  350.419144]  ? warn_alloc+0x120/0x120
[  350.422953]  ? warn_alloc+0x120/0x120
[  350.426754]  ? print_usage_bug+0xc0/0xc0
[  350.431119]  ? warn_alloc+0x120/0x120
[  350.434924]  ? print_usage_bug+0xc0/0xc0
[  350.438991]  ? __lock_acquire+0x62f/0x4c20
[  350.443228]  ? __lock_acquire+0x62f/0x4c20
[  350.447477]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.453018]  ? should_fail+0x22d/0xd01
[  350.456911]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.462203]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.467314]  ? __lock_acquire+0x62f/0x4c20
[  350.471554]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.476658]  ? __lock_acquire+0x62f/0x4c20
[  350.480890]  ? should_fail+0x22d/0xd01
[  350.484779]  ? rcu_irq_exit+0x1a2/0x390
[  350.488765]  ? mark_held_locks+0x130/0x130
[  350.493008]  ? mark_held_locks+0x130/0x130
[  350.497251]  ? mark_held_locks+0xc7/0x130
[  350.501402]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  350.506439]  ? zap_class+0x640/0x640
[  350.510163]  ? print_usage_bug+0xc0/0xc0
[  350.514238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.519780]  ? check_preemption_disabled+0x48/0x280
[  350.524806]  ? __lock_is_held+0xb5/0x140
[  350.528876]  __alloc_pages_nodemask+0xa80/0xde0
[  350.533544]  ? zap_class+0x640/0x640
[  350.537262]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  350.542294]  ? find_held_lock+0x36/0x1c0
[  350.546372]  ? ____cache_alloc_node+0x1c7/0x1e0
[  350.551059]  ? lock_downgrade+0x900/0x900
[  350.555234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.560784]  cache_grow_begin+0xa5/0x8c0
[  350.564843]  ? do_raw_spin_unlock+0xa7/0x330
[  350.569260]  fallback_alloc+0x204/0x2e0
[  350.573246]  ____cache_alloc_node+0x1c7/0x1e0
[  350.577748]  kmem_cache_alloc_node+0xe3/0x730
[  350.582243]  ? ipv6_get_ifaddr+0x42e/0x620
[  350.586492]  __alloc_skb+0x119/0x770
[  350.590216]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.595501]  ? netdev_alloc_frag+0x1f0/0x1f0
[  350.599914]  ? lock_downgrade+0x900/0x900
[  350.604070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.609609]  ? refcount_sub_and_test_checked+0x203/0x310
[  350.615066]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  350.620519]  ? addrconf_rs_timer+0x690/0x690
[  350.624941]  ndisc_alloc_skb+0x144/0x340
[  350.629007]  ndisc_send_rs+0x331/0x6e0
[  350.632903]  addrconf_rs_timer+0x314/0x690
[  350.637143]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.641391]  call_timer_fn+0x272/0x920
[  350.645282]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.649519]  ? process_timeout+0x40/0x40
[  350.653591]  ? __run_timers+0x7da/0xc70
[  350.657571]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.662064]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.666593]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.670832]  ? lockdep_hardirqs_on+0x296/0x5b0
[  350.675421]  ? trace_hardirqs_on+0xbd/0x310
[  350.679752]  ? kasan_check_read+0x11/0x20
[  350.683900]  ? __run_timers+0x7da/0xc70
[  350.687880]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.692992]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.697238]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.701479]  __run_timers+0x7e5/0xc70
[  350.705297]  ? timer_fixup_init+0x70/0x70
[  350.709447]  ? kasan_check_read+0x11/0x20
[  350.713609]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.718891]  ? rcu_softirq_qs+0x20/0x20
[  350.722871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.728411]  ? check_preemption_disabled+0x48/0x280
[  350.733434]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  350.738212]  ? retint_kernel+0x2d/0x2d
[  350.742101]  ? trace_hardirqs_on_caller+0xc0/0x310
[  350.747034]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  350.751790]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  350.757244]  ? zap_class+0x640/0x640
[  350.760964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.766503]  ? check_preemption_disabled+0x48/0x280
[  350.771532]  ? __lock_is_held+0xb5/0x140
[  350.775594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.781136]  ? check_preemption_disabled+0x48/0x280
[  350.786160]  run_timer_softirq+0x52/0xb0
[  350.790231]  ? rcu_read_lock_sched_held+0x14f/0x180
[  350.795252]  __do_softirq+0x308/0xb7e
[  350.799055]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  350.803548]  ? lock_downgrade+0x900/0x900
[  350.807701]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  350.812812]  ? pvclock_read_flags+0x160/0x160
[  350.817311]  ? lapic_next_event+0x5a/0x90
[  350.821470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.827017]  ? kvm_clock_read+0x18/0x30
[  350.830990]  ? kvm_sched_clock_read+0x9/0x20
[  350.835406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.840942]  ? check_preemption_disabled+0x48/0x280
[  350.845966]  irq_exit+0x17f/0x1c0
[  350.849426]  smp_apic_timer_interrupt+0x1cb/0x760
[  350.854272]  ? smp_call_function_single_interrupt+0x159/0x650
[  350.860156]  ? smp_call_function_single_interrupt+0x650/0x650
[  350.866042]  ? interrupt_entry+0xb5/0xc0
[  350.870107]  ? trace_hardirqs_off_caller+0xbb/0x310
[  350.875121]  ? trace_hardirqs_off_caller+0xbb/0x310
[  350.880141]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.884986]  ? trace_hardirqs_on_caller+0x310/0x310
[  350.890000]  ? trace_hardirqs_on_caller+0x310/0x310
[  350.895033]  ? task_prio+0x50/0x50
[  350.898589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.904127]  ? check_preemption_disabled+0x48/0x280
[  350.909148]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.914000]  apic_timer_interrupt+0xf/0x20
[  350.918232]  </IRQ>
[  350.920481] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  350.925411] Code: 7e 0f 85 cf fe ff ff e8 b6 d9 3f ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d 65 52 91 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 1a 90
[  350.944309] RSP: 0000:ffff880199ccf740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  350.952018] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  350.959285] RDX: 0000000000000000 RSI: ffff880195250f40 RDI: 0000000000000286
[  350.966554] RBP: ffff880199ccf7a8 R08: ffff8801952506c0 R09: 0000000000000000
[  350.973823] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  350.981087] R13: ffff8801d9bd2680 R14: ffff8801d9bd2680 R15: 0000000000480020
[  350.988395]  skb_clone+0x1bb/0x500
[  350.991940]  ? skb_split+0x11e0/0x11e0
[  350.995827]  ? check_preemption_disabled+0x48/0x280
[  351.000851]  ? __this_cpu_preempt_check+0x1c/0x20
[  351.005696]  ? __bpf_redirect+0x54b/0xb20
[  351.009853]  bpf_clone_redirect+0xb9/0x490
[  351.014102]  bpf_prog_bebbfe2050753572+0x4cc/0x1000
[  351.019124]  ? __sched_text_start+0x8/0x8
[  351.023292]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  351.028053]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  351.032634]  ? retint_kernel+0x2d/0x2d
[  351.036533]  ? find_held_lock+0x36/0x1c0
[  351.040601]  ? lock_acquire+0x1ed/0x520
[  351.044577]  ? bpf_test_run+0x3cb/0x780
[  351.048556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.054095]  ? check_preemption_disabled+0x48/0x280
[  351.059124]  ? kasan_check_read+0x11/0x20
[  351.063273]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.068551]  ? rcu_softirq_qs+0x20/0x20
[  351.072528]  ? preempt_schedule+0x4d/0x60
[  351.076680]  ? ___preempt_schedule+0x16/0x18
[  351.081099]  ? bpf_test_run+0x25d/0x780
[  351.085085]  ? netlink_diag_dump+0x2a0/0x2a0
[  351.089498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.095037]  ? bpf_test_init.isra.10+0x70/0x100
[  351.099714]  ? bpf_prog_test_run_skb+0x73c/0xcb0
[  351.104485]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  351.109328]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  351.114869]  ? fput+0x130/0x1a0
[  351.118152]  ? __bpf_prog_get+0x9b/0x290
[  351.122223]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  351.127068]  ? bpf_prog_test_run+0x130/0x1a0
[  351.131488]  ? __x64_sys_bpf+0x3d8/0x520
[  351.135550]  ? bpf_prog_get+0x20/0x20
[  351.139371]  ? do_syscall_64+0x1b9/0x820
[  351.143435]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  351.148806]  ? syscall_return_slowpath+0x5e0/0x5e0
[  351.153737]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.158587]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.163641]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  351.168663]  ? prepare_exit_to_usermode+0x291/0x3b0
[  351.173687]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.178541]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  351.183921] warn_alloc_show_mem: 1 callbacks suppressed
[  351.183933] CPU: 1 PID: 5459 Comm: syz-fuzzer Not tainted 4.19.0+ #135
[  351.183935] Mem-Info:
[  351.183966] active_anon:56297 inactive_anon:436 isolated_anon:0
[  351.183966]  active_file:15 inactive_file:14 isolated_file:0
[  351.183966]  unevictable:0 dirty:0 writeback:0 unstable:0
[  351.183966]  slab_reclaimable:9055 slab_unreclaimable:1467745
[  351.183966]  mapped:40962 shmem:4764 pagetables:632 bounce:0
[  351.183966]  free:13786 free_pcp:429 free_cma:0
[  351.189310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  351.195987] Node 0 active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:19056kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 192512kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  351.198390] Call Trace:
[  351.231366] Node 0 
[  351.240718]  <IRQ>
[  351.268491] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  351.271056]  dump_stack+0x244/0x39d
[  351.273268] lowmem_reserve[]:
[  351.275419]  ? dump_stack_print_info.cold.1+0x20/0x20
[  351.301121]  0 2818
[  351.304771]  warn_alloc.cold.117+0xb7/0x1bd
[  351.307841]  6321
[  351.313026]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  351.315242]  6321
[  351.319560]  ? lock_downgrade+0x900/0x900
[  351.326445]  ? trace_hardirqs_off+0xb8/0x310
[  351.328484] Node 0 
[  351.332629]  ? trace_hardirqs_off+0xb8/0x310
[  351.337035] DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  351.339247]  __alloc_pages_slowpath+0x2660/0x2d70
[  351.343623] lowmem_reserve[]:
[  351.370363]  ? warn_alloc+0x120/0x120
[  351.375157]  0
[  351.378259]  ? warn_alloc+0x120/0x120
[  351.382030]  0 3503
[  351.383835]  ? print_usage_bug+0xc0/0xc0
[  351.387609]  3503
[  351.389837]  ? warn_alloc+0x120/0x120
[  351.393874] Node 0 
[  351.395933]  ? print_usage_bug+0xc0/0xc0
[  351.399734] Normal free:13992kB min:37364kB low:46704kB high:56044kB active_anon:225188kB inactive_anon:1744kB active_file:60kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5312kB pagetables:2528kB bounce:0kB free_pcp:1468kB local_pcp:168kB free_cma:0kB
[  351.401944]  ? __lock_acquire+0x62f/0x4c20
[  351.405983] lowmem_reserve[]:
[  351.434884]  ? __lock_acquire+0x62f/0x4c20
[  351.439094]  0
[  351.442208]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.446415]  0
[  351.448221]  ? should_fail+0x22d/0xd01
[  351.453732]  0
[  351.455531]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.459396]  0
[  351.461204]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.468253]  ? __lock_acquire+0x62f/0x4c20
[  351.473330] Node 0 DMA: 
[  351.477562]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.477578]  ? __lock_acquire+0x62f/0x4c20
[  351.480233] 1*4kB 
[  351.485330]  ? should_fail+0x22d/0xd01
[  351.489542] (U) 
[  351.491691]  ? rcu_irq_exit+0x1a2/0x390
[  351.495551] 0*8kB 
[  351.497529]  ? mark_held_locks+0x130/0x130
[  351.501474] 0*16kB 
[  351.503620]  ? mark_held_locks+0x130/0x130
[  351.507829] 1*32kB 
[  351.510061]  ? mark_held_locks+0xc7/0x130
[  351.514267] (U) 
[  351.516501]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  351.520625] 2*64kB 
[  351.522594]  ? zap_class+0x640/0x640
[  351.527584] (U) 
[  351.529817]  ? print_usage_bug+0xc0/0xc0
[  351.533508] 1*128kB 
[  351.535480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.539516] (U) 
[  351.541839]  ? check_preemption_disabled+0x48/0x280
[  351.547351] 1*256kB 
[  351.549324]  ? __lock_is_held+0xb5/0x140
[  351.554326] (U) 
[  351.556646]  __alloc_pages_nodemask+0xa80/0xde0
[  351.560681] 0*512kB 
[  351.562650]  ? zap_class+0x640/0x640
[  351.567299] 1*1024kB 
[  351.569621]  ? __alloc_pages_slowpath+0x2d70/0x2d70
[  351.573306] (U) 
[  351.575718]  ? find_held_lock+0x36/0x1c0
[  351.580705] 1*2048kB 
[  351.582683]  ? ____cache_alloc_node+0x1c7/0x1e0
[  351.586710] (M) 
[  351.589113]  ? lock_downgrade+0x900/0x900
[  351.593759] 3*4096kB 
[  351.595733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.599855] (M) 
[  351.602261]  cache_grow_begin+0xa5/0x8c0
[  351.607772] = 15908kB
[  351.609741]  ? do_raw_spin_unlock+0xa7/0x330
[  351.613780] Node 0 
[  351.616213]  fallback_alloc+0x204/0x2e0
[  351.620593] DMA32: 
[  351.622827]  ____cache_alloc_node+0x1c7/0x1e0
[  351.626775] 5*4kB 
[  351.629006]  kmem_cache_alloc_node+0xe3/0x730
[  351.633477] (UM) 
[  351.635624]  ? ipv6_get_ifaddr+0x42e/0x620
[  351.640093] 1*8kB 
[  351.642160]  __alloc_skb+0x119/0x770
[  351.646363] (U) 
[  351.648513]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.652212] 2*16kB 
[  351.654181]  ? netdev_alloc_frag+0x1f0/0x1f0
[  351.659436] (M) 
[  351.661667]  ? lock_downgrade+0x900/0x900
[  351.666051] 1*32kB 
[  351.668028]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.672145] (M) 
[  351.674399]  ? refcount_sub_and_test_checked+0x203/0x310
[  351.679911] 3*64kB 
[  351.681881]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  351.687305] (M) 
[  351.689535]  ? addrconf_rs_timer+0x690/0x690
[  351.694970] 5*128kB 
[  351.696951]  ndisc_alloc_skb+0x144/0x340
[  351.701330] (UM) 
[  351.703647]  ndisc_send_rs+0x331/0x6e0
[  351.707683] 3*256kB 
[  351.709741]  addrconf_rs_timer+0x314/0x690
[  351.713601] (M) 
[  351.715920]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.720122] 4*512kB (UM) 
[  351.722114]  call_timer_fn+0x272/0x920
[  351.726312] 3*1024kB 
[  351.729065]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.732929] (UM) 
[  351.735337]  ? process_timeout+0x40/0x40
[  351.739563] 3*2048kB 
[  351.741629]  ? mark_held_locks+0xc7/0x130
[  351.745659] (UM) 
[  351.748065]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.752184] 3*4096kB 
[  351.754248]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.758715] (M) 
[  351.761138]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.765610] = 25244kB
[  351.767579]  ? lockdep_hardirqs_on+0x296/0x5b0
[  351.771792] Node 0 
[  351.774207]  ? trace_hardirqs_on+0xbd/0x310
[  351.778764] Normal: 
[  351.781001]  ? kasan_check_read+0x11/0x20
[  351.785298] 719*4kB 
[  351.787617]  ? __run_timers+0x7da/0xc70
[  351.791744] (UMEH) 
[  351.794067]  ? trace_hardirqs_off_caller+0x310/0x310
[  351.798014] 258*8kB 
[  351.800247]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.805324] (UME) 
[  351.807641]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.811851] 197*16kB 
[  351.813995]  __run_timers+0x7e5/0xc70
[  351.818210] (UME) 
[  351.820627]  ? timer_fixup_init+0x70/0x70
[  351.824395] 98*32kB 
[  351.826538]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  351.830663] (UME) 
[  351.832984]  ? zap_class+0x640/0x640
[  351.837975] 44*64kB 
[  351.840118]  ? print_usage_bug+0xc0/0xc0
[  351.843806] (UM) 
[  351.846123]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  351.850162] 0*128kB 
[  351.852227]  ? find_held_lock+0x36/0x1c0
[  351.857406] 0*256kB 
[  351.859727]  ? zap_class+0x640/0x640
[  351.863761] 0*512kB 
[  351.866081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.869772] 0*1024kB