ase+0x970/0x970
[  219.312847]  ? arch_local_save_flags+0x40/0x40
[  219.317432]  ? mark_held_locks+0x130/0x130
[  219.321697]  ? down_read+0xb0/0x1d0
[  219.325331]  ? ext4_filemap_fault+0x7a/0xad
[  219.329652]  ? __down_interruptible+0x700/0x700
[  219.334341]  ? graph_lock+0x170/0x170
[  219.338145]  ? __sigqueue_free.part.27+0x7d/0xa0
[  219.342963]  ext4_filemap_fault+0x82/0xad
[  219.347128]  __do_fault+0x100/0x6b0
[  219.350786]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  219.356066]  ? print_bad_pte+0x6c0/0x6c0
[  219.360134]  ? pmd_val+0x88/0x100
[  219.363590]  ? add_mm_counter_fast+0xd0/0xd0
[  219.368002]  ? pmd_val+0x88/0x100
[  219.371457]  ? add_mm_counter_fast+0xd0/0xd0
[  219.375871]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  219.381428]  __handle_mm_fault+0x3709/0x53e0
[  219.385852]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  219.390698]  ? graph_lock+0x170/0x170
[  219.394504]  ? print_usage_bug+0xc0/0xc0
[  219.398606]  ? graph_lock+0x170/0x170
[  219.402408]  ? graph_lock+0x170/0x170
[  219.406232]  ? handle_mm_fault+0x42a/0xc70
[  219.410469]  ? lock_downgrade+0x900/0x900
[  219.414620]  ? check_preemption_disabled+0x48/0x200
[  219.419644]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  219.425445]  ? kasan_check_read+0x11/0x20
[  219.429596]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  219.434878]  ? rcu_bh_qs+0xc0/0xc0
[  219.438428]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  219.443884]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  219.449427]  ? check_preemption_disabled+0x48/0x200
[  219.454452]  handle_mm_fault+0x54f/0xc70
[  219.458530]  ? __handle_mm_fault+0x53e0/0x53e0
[  219.463119]  ? find_vma+0x34/0x190
[  219.466670]  __do_page_fault+0x67d/0xed0
[  219.470741]  ? mm_fault_error+0x380/0x380
[  219.474899]  ? syscall_slow_exit_work+0x520/0x520
[  219.479759]  do_page_fault+0xf2/0x7e0
[  219.483565]  ? vmalloc_sync_all+0x30/0x30
[  219.487718]  ? error_entry+0x70/0xd0
[  219.491441]  ? trace_hardirqs_off_caller+0xbb/0x300
[  219.496460]  ? trace_hardirqs_on_caller+0xc0/0x300
[  219.501394]  ? syscall_return_slowpath+0x5e0/0x5e0
[  219.506333]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  219.511189]  ? trace_hardirqs_off+0x300/0x300
[  219.515704]  ? trace_hardirqs_off_caller+0x300/0x300
[  219.520813]  ? prepare_exit_to_usermode+0x291/0x3b0
[  219.525837]  ? page_fault+0x8/0x30
[  219.529382]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  219.534228]  ? page_fault+0x8/0x30
[  219.537777]  page_fault+0x1e/0x30
[  219.541247] RIP: 0033:0x45db60
[  219.544443] Code: Bad RIP value.
[  219.547800] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  219.553164] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  219.560432] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  219.567698] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  219.574965] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  219.582253] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  219.589569] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  219.589575] warn_alloc_show_mem: 1 callbacks suppressed
[  219.589583] Mem-Info:
[  219.596784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  219.602161] active_anon:41581 inactive_anon:372 isolated_anon:0
[  219.602161]  active_file:17 inactive_file:16 isolated_file:0
[  219.602161]  unevictable:0 dirty:0 writeback:0 unstable:0
[  219.602161]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  219.602161]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  219.602161]  free:13699 free_pcp:281 free_cma:0
[  219.604538] Call Trace:
[  219.613928] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  219.646775]  <IRQ>
[  219.649351] Node 0 
[  219.676937]  dump_stack+0x1c4/0x2b4
[  219.679088] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  219.681299]  ? dump_stack_print_info.cold.2+0x52/0x52
[  219.684901] lowmem_reserve[]: 0
[  219.710432]  warn_alloc.cold.118+0xb7/0x1bd
[  219.715589]  2817
[  219.718874]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  219.723183]  6321
[  219.725247]  ? lock_downgrade+0x900/0x900
[  219.730068]  6321
[  219.732134]  ? trace_hardirqs_off+0xb8/0x300
[  219.736260] Node 0 
[  219.738348]  ? trace_hardirqs_off+0xb8/0x300
[  219.742760] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  219.744991]  __alloc_pages_slowpath+0x2667/0x2d80
[  219.749371] lowmem_reserve[]: 0
[  219.776380]  ? warn_alloc+0x120/0x120
[  219.781175]  0
[  219.784449]  ? trace_hardirqs_on+0x310/0x310
[  219.788227]  3503
[  219.790028]  ? warn_alloc+0x120/0x120
[  219.794431]  3503
[  219.796502]  ? print_usage_bug+0xc0/0xc0
[  219.800287] Node 0 
[  219.802348]  ? warn_alloc+0x120/0x120
[  219.806419] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  219.808634]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  219.812411] lowmem_reserve[]:
[  219.840919]  ? print_usage_bug+0xc0/0xc0
[  219.845930]  0
[  219.849031]  ? __lock_acquire+0x7ec/0x4ec0
[  219.853071]  0
[  219.854874]  ? __lock_acquire+0x7ec/0x4ec0
[  219.859086]  0
[  219.860890]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  219.865099]  0
[  219.866904]  ? should_fail+0x22d/0xd01
[  219.874216]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  219.878079] Node 0 DMA: 
[  219.883182]  ? __lock_acquire+0x7ec/0x4ec0
[  219.883201]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  219.885854] 1*4kB 
[  219.890083]  ? __lock_acquire+0x7ec/0x4ec0
[  219.895163] (U) 
[  219.897317]  ? should_fail+0x22d/0xd01
[  219.901544] 0*8kB 0*16kB 
[  219.903548]  ? print_usage_bug+0xc0/0xc0
[  219.907411] 1*32kB 
[  219.910194]  ? mark_held_locks+0x130/0x130
[  219.914222] (U) 
[  219.916459]  ? mark_held_locks+0x130/0x130
[  219.920672] 2*64kB 
[  219.922649]  ? graph_lock+0x170/0x170
[  219.926858] (U) 1*128kB 
[  219.929105]  ? print_usage_bug+0xc0/0xc0
[  219.932878] (U) 1*256kB 
[  219.935588]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  219.939616] (U) 0*512kB 
[  219.942301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.947040] 1*1024kB 
[  219.949726]  ? check_preemption_disabled+0x48/0x200
[  219.955233] (U) 
[  219.957642]  ? check_preemption_disabled+0x48/0x200
[  219.962637] 1*2048kB 
[  219.964619]  ? __lock_is_held+0xb5/0x140
[  219.969608] (M) 
[  219.972021]  __alloc_pages_nodemask+0xa80/0xde0
[  219.976056] 3*4096kB 
[  219.978025]  ? graph_lock+0x170/0x170
[  219.982674] (M) 
[  219.985081]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  219.988857] = 15908kB
[  219.988865] Node 0 
[  219.990838]  ? graph_lock+0x170/0x170
[  219.995829] DMA32: 2*4kB 
[  219.998259]  ? find_held_lock+0x36/0x1c0
[  220.000466] (M) 
[  220.004273]  ? ____cache_alloc_node+0x1c7/0x1e0
[  220.007006] 1*8kB 
[  220.011096]  ? lock_downgrade+0x900/0x900
[  220.013045] (U) 
[  220.017721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.019845] 3*16kB 
[  220.023994]  cache_grow_begin+0x91/0x8c0
[  220.025942] (M) 
[  220.031478]  ? do_raw_spin_unlock+0xa7/0x2f0
[  220.033690] 1*32kB 
[  220.037753]  fallback_alloc+0x203/0x2e0
[  220.039700] (M) 3*64kB 
[  220.044132]  ____cache_alloc_node+0x1c7/0x1e0
[  220.046345] (UM) 
[  220.050323]  kmem_cache_alloc_node+0xe3/0x730
[  220.052886] 3*128kB 
[  220.057391]  ? ipv6_get_ifaddr+0x42e/0x620
[  220.059429] (M) 
[  220.063924]  __alloc_skb+0x119/0x770
[  220.066220] 3*256kB 
[  220.070455]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  220.072406] (UM) 
[  220.076125]  ? skb_scrub_packet+0x490/0x490
[  220.078604] 4*512kB 
[  220.083875]  ? lock_downgrade+0x900/0x900
[  220.085914] (UM) 
[  220.090238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.092535] 3*1024kB 
[  220.096683]  ? refcount_sub_and_test_checked+0x203/0x310
[  220.098722] (M) 
[  220.104253]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  220.106642] 1*2048kB 
[  220.112091]  ? addrconf_rs_timer+0x6f0/0x6f0
[  220.114044] (U) 
[  220.119559]  ndisc_alloc_skb+0x144/0x340
[  220.121939] 4*4096kB 
[  220.126344]  ndisc_send_rs+0x331/0x6e0
[  220.128323] (M) 
[  220.132440]  addrconf_rs_timer+0x3c0/0x6f0
[  220.134832] = 24992kB
[  220.138731]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.140699] Node 0 
[  220.144949]  call_timer_fn+0x272/0x920
[  220.147330] Normal: 
[  220.151558]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.153777] 882*4kB 
[  220.157687]  ? process_timeout+0x40/0x40
[  220.159991] (UME) 
[  220.164231]  ? find_held_lock+0x36/0x1c0
[  220.166552] 426*8kB 
[  220.170613]  ? __run_timers+0x7da/0xc70
[  220.172737] (MEH) 
[  220.176814]  ? _raw_spin_unlock_irq+0x27/0x80
[  220.179103] 175*16kB (UME) 
[  220.183098]  ? _raw_spin_unlock_irq+0x27/0x80
[  220.185232] 71*32kB 
[  220.189750]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.192658] (UMEH) 
[  220.197167]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  220.199471] 10*64kB 
[  220.203698]  ? trace_hardirqs_on+0xbd/0x310
[  220.205925] (UMH) 
[  220.210514]  ? kasan_check_read+0x11/0x20
[  220.212806] 2*128kB (H) 
[  220.217137]  ? __run_timers+0x7da/0xc70
[  220.219271] 0*256kB 
[  220.223426]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  220.226072] 2*512kB 
[  220.230044]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.232344] (UH) 
[  220.237788]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.240193] 0*1024kB 
[  220.244436]  __run_timers+0x7e5/0xc70
[  220.246472] 0*2048kB 0*4096kB 
[  220.250726]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  220.253106] = 13928kB
[  220.256941]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  220.260118] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  220.265470]  ? graph_lock+0x170/0x170
[  220.267866] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  220.272874]  ? enqueue_hrtimer+0x1a5/0x560
[  220.281693] 412 total pagecache pages
[  220.285484]  ? lock_release+0x970/0x970
[  220.294045] 0 pages in swap cache
[  220.298270]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  220.302056] Swap cache stats: add 0, delete 0, find 0/0
[  220.306019]  ? find_held_lock+0x36/0x1c0
[  220.309450] Free swap  = 0kB
[  220.314655]  ? graph_lock+0x170/0x170
[  220.319997] Total swap = 0kB
[  220.324052]  ? pvclock_read_flags+0x160/0x160
[  220.327046] 1965979 pages RAM
[  220.330838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.333828] 0 pages HighMem/MovableOnly
[  220.333837] 342744 pages reserved
[  220.338345]  ? check_preemption_disabled+0x48/0x200
[  220.341427] 0 pages cma reserved
[  220.346989]  ? __lock_is_held+0xb5/0x140
[  220.351155] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  220.354518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.359638] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  220.362896]  ? check_preemption_disabled+0x48/0x200
[  220.366932] syz-fuzzer cpuset=
[  220.373425]  run_timer_softirq+0x52/0xb0
[  220.378937] /
[  220.389161]  ? rcu_read_lock_sched_held+0x108/0x120
[  220.394164]  mems_allowed=0
[  220.397365]  __do_softirq+0x30b/0xad8
[  220.414827]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  220.419945]  ? pvclock_read_flags+0x160/0x160
[  220.424478]  ? lapic_next_event+0x5a/0x90
[  220.428636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.434204]  ? check_preemption_disabled+0x48/0x200
[  220.439236]  ? check_preemption_disabled+0x48/0x200
[  220.444265]  ? kvm_clock_read+0x18/0x30
[  220.448236]  ? kvm_sched_clock_read+0x9/0x20
[  220.452643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.458187]  ? check_preemption_disabled+0x48/0x200
[  220.463216]  irq_exit+0x17f/0x1c0
[  220.466674]  smp_apic_timer_interrupt+0x1cb/0x760
[  220.471528]  ? smp_reschedule_interrupt+0x109/0x650
[  220.476555]  ? smp_call_function_single_interrupt+0x650/0x650
[  220.482440]  ? interrupt_entry+0xb5/0xf0
[  220.486516]  ? trace_hardirqs_off_caller+0xbb/0x300
[  220.491544]  ? trace_hardirqs_off_caller+0xbb/0x300
[  220.496570]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  220.501420]  ? trace_hardirqs_off+0x300/0x300
[  220.505915]  ? trace_hardirqs_off+0x300/0x300
[  220.510414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.515954]  ? check_preemption_disabled+0x48/0x200
[  220.520982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.526533]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  220.531392]  apic_timer_interrupt+0xf/0x20
[  220.535629]  </IRQ>
[  220.537873] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  220.542810] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  220.561733] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  220.569441] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  220.576705] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  220.583981] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  220.591243] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  220.598511] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  220.605823]  skb_clone+0x1bb/0x500
[  220.609377]  ? finish_task_switch+0x2f5/0x900
[  220.613873]  ? skb_split+0x11e0/0x11e0
[  220.617762]  ? preempt_notifier_register+0x200/0x200
[  220.622886]  ? __switch_to_asm+0x34/0x70
[  220.626961]  ? __switch_to_asm+0x34/0x70
[  220.631042]  ? __switch_to_asm+0x40/0x70
[  220.635119]  ? __switch_to_asm+0x34/0x70
[  220.639191]  ? __switch_to_asm+0x40/0x70
[  220.643246]  ? __switch_to_asm+0x34/0x70
[  220.647298]  ? __switch_to_asm+0x40/0x70
[  220.651353]  ? __switch_to_asm+0x34/0x70
[  220.655407]  ? __switch_to_asm+0x34/0x70
[  220.659461]  ? __switch_to_asm+0x40/0x70
[  220.663525]  ? __switch_to_asm+0x34/0x70
[  220.667596]  bpf_clone_redirect+0xb9/0x490
[  220.671850]  ? __schedule+0x874/0x1ed0
[  220.675743]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  220.680818]  ? __sched_text_start+0x8/0x8
[  220.684976]  ? lockdep_hardirqs_on+0x421/0x5c0
[  220.689558]  ? retint_kernel+0x2d/0x2d
[  220.693446]  ? trace_hardirqs_on_caller+0xc0/0x300
[  220.698374]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  220.703134]  ? find_held_lock+0x36/0x1c0
[  220.707211]  ? lock_acquire+0x1ed/0x520
[  220.711182]  ? bpf_test_run+0x32e/0x5a0
[  220.715155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.720718]  ? check_preemption_disabled+0x48/0x200
[  220.725746]  ? kasan_check_read+0x11/0x20
[  220.729988]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  220.735462]  ? rcu_bh_qs+0xc0/0xc0
[  220.739026]  ? preempt_schedule+0x4d/0x60
[  220.743181]  ? ___preempt_schedule+0x16/0x18
[  220.747626]  ? bpf_test_run+0x1c0/0x5a0
[  220.751617]  ? netlink_diag_dump+0x2a0/0x2a0
[  220.756035]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  220.761584]  ? bpf_test_init.isra.9+0x70/0x100
[  220.766171]  ? bpf_prog_test_run_skb+0x634/0xb40
[  220.770939]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  220.775781]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  220.781322]  ? fput+0x130/0x1a0
[  220.784609]  ? __bpf_prog_get+0x9b/0x290
[  220.788672]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  220.793543]  ? bpf_prog_test_run+0x130/0x1a0
[  220.797955]  ? __x64_sys_bpf+0x3d8/0x510
[  220.802016]  ? bpf_prog_get+0x20/0x20
[  220.805835]  ? ksys_ioctl+0x81/0xd0
[  220.809491]  ? do_syscall_64+0x1b9/0x820
[  220.813586]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  220.818965]  ? syscall_return_slowpath+0x5e0/0x5e0
[  220.823916]  ? trace_hardirqs_off+0x300/0x300
[  220.828426]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  220.833436]  ? recalc_sigpending_tsk+0x180/0x180
[  220.838192]  ? kasan_check_write+0x14/0x20
[  220.842432]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  220.847282]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  220.852677] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  220.852846] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  220.859637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  220.859642] Call Trace:
[  220.859650]  <IRQ>
[  220.859668]  dump_stack+0x1c4/0x2b4
[  220.859688]  ? dump_stack_print_info.cold.2+0x52/0x52
[  220.866260] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  220.875534]  warn_alloc.cold.118+0xb7/0x1bd
[  220.878090] syz-executor4 cpuset=
[  220.880238]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  220.883853] syz4
[  220.889042]  ? lock_downgrade+0x900/0x900
[  220.899515]  mems_allowed=0
[  220.903834]  ? trace_hardirqs_off+0xb8/0x300
[  220.925489]  ? trace_hardirqs_off+0xb8/0x300
[  220.929934]  __alloc_pages_slowpath+0x2667/0x2d80
[  220.934824]  ? warn_alloc+0x120/0x120
[  220.938636]  ? trace_hardirqs_on+0x310/0x310
[  220.943047]  ? warn_alloc+0x120/0x120
[  220.946856]  ? print_usage_bug+0xc0/0xc0
[  220.950921]  ? warn_alloc+0x120/0x120
[  220.954722]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  220.959733]  ? print_usage_bug+0xc0/0xc0
[  220.963815]  ? __lock_acquire+0x7ec/0x4ec0
[  220.968056]  ? __lock_acquire+0x7ec/0x4ec0
[  220.972304]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  220.977843]  ? should_fail+0x22d/0xd01
[  220.981735]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  220.986837]  ? __lock_acquire+0x7ec/0x4ec0
[  220.991078]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  220.996181]  ? __lock_acquire+0x7ec/0x4ec0
[  221.000414]  ? should_fail+0x22d/0xd01
[  221.004303]  ? print_usage_bug+0xc0/0xc0
[  221.008376]  ? mark_held_locks+0x130/0x130
[  221.012614]  ? mark_held_locks+0x130/0x130
[  221.016871]  ? graph_lock+0x170/0x170
[  221.020672]  ? print_usage_bug+0xc0/0xc0
[  221.024735]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  221.029499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.035050]  ? check_preemption_disabled+0x48/0x200
[  221.040069]  ? check_preemption_disabled+0x48/0x200
[  221.045125]  ? __lock_is_held+0xb5/0x140
[  221.049205]  __alloc_pages_nodemask+0xa80/0xde0
[  221.053897]  ? graph_lock+0x170/0x170
[  221.057706]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  221.062722]  ? graph_lock+0x170/0x170
[  221.066543]  ? find_held_lock+0x36/0x1c0
[  221.070662]  ? ____cache_alloc_node+0x1c7/0x1e0
[  221.075335]  ? lock_downgrade+0x900/0x900
[  221.079522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.085082]  cache_grow_begin+0x91/0x8c0
[  221.089152]  ? do_raw_spin_unlock+0xa7/0x2f0
[  221.093608]  fallback_alloc+0x203/0x2e0
[  221.097591]  ____cache_alloc_node+0x1c7/0x1e0
[  221.102094]  kmem_cache_alloc_node+0xe3/0x730
[  221.106626]  ? ipv6_get_ifaddr+0x42e/0x620
[  221.110887]  __alloc_skb+0x119/0x770
[  221.114614]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  221.119894]  ? skb_scrub_packet+0x490/0x490
[  221.124220]  ? lock_downgrade+0x900/0x900
[  221.128401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.133940]  ? refcount_sub_and_test_checked+0x203/0x310
[  221.139396]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  221.144848]  ? addrconf_rs_timer+0x6f0/0x6f0
[  221.149269]  ndisc_alloc_skb+0x144/0x340
[  221.153339]  ndisc_send_rs+0x331/0x6e0
[  221.157264]  addrconf_rs_timer+0x3c0/0x6f0
[  221.161542]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.165790]  call_timer_fn+0x272/0x920
[  221.169676]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.173912]  ? process_timeout+0x40/0x40
[  221.177977]  ? find_held_lock+0x36/0x1c0
[  221.182053]  ? mark_held_locks+0xc7/0x130
[  221.186208]  ? _raw_spin_unlock_irq+0x27/0x80
[  221.190700]  ? _raw_spin_unlock_irq+0x27/0x80
[  221.195191]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.199442]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  221.204030]  ? trace_hardirqs_on+0xbd/0x310
[  221.208358]  ? kasan_check_read+0x11/0x20
[  221.212517]  ? __run_timers+0x7da/0xc70
[  221.216496]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  221.221963]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.226201]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  221.230435]  __run_timers+0x7e5/0xc70
[  221.234253]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  221.239655]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  221.244700]  ? graph_lock+0x170/0x170
[  221.248515]  ? print_usage_bug+0xc0/0xc0
[  221.252579]  ? lock_release+0x970/0x970
[  221.256556]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  221.261757]  ? find_held_lock+0x36/0x1c0
[  221.265854]  ? graph_lock+0x170/0x170
[  221.269682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.275255]  ? check_preemption_disabled+0x48/0x200
[  221.280318]  ? __lock_is_held+0xb5/0x140
[  221.284409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.289987]  ? check_preemption_disabled+0x48/0x200
[  221.295038]  run_timer_softirq+0x52/0xb0
[  221.299134]  ? rcu_read_lock_sched_held+0x108/0x120
[  221.304191]  __do_softirq+0x30b/0xad8
[  221.308036]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  221.313227]  ? pvclock_read_flags+0x160/0x160
[  221.317746]  ? lapic_next_event+0x5a/0x90
[  221.321921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.327487]  ? check_preemption_disabled+0x48/0x200
[  221.332558]  ? check_preemption_disabled+0x48/0x200
[  221.337614]  ? kvm_clock_read+0x18/0x30
[  221.341614]  ? kvm_sched_clock_read+0x9/0x20
[  221.346057]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.351625]  ? check_preemption_disabled+0x48/0x200
[  221.356691]  irq_exit+0x17f/0x1c0
[  221.360194]  smp_apic_timer_interrupt+0x1cb/0x760
[  221.365088]  ? smp_reschedule_interrupt+0x109/0x650
[  221.370132]  ? smp_call_function_single_interrupt+0x650/0x650
[  221.376053]  ? interrupt_entry+0xb5/0xf0
[  221.380156]  ? trace_hardirqs_off_caller+0xbb/0x300
[  221.385192]  ? trace_hardirqs_off_caller+0xbb/0x300
[  221.390233]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  221.395106]  ? trace_hardirqs_off+0x300/0x300
[  221.399627]  ? trace_hardirqs_off+0x300/0x300
[  221.404149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.409723]  ? check_preemption_disabled+0x48/0x200
[  221.414759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.420344]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  221.425236]  apic_timer_interrupt+0xf/0x20
[  221.429480]  </IRQ>
[  221.431747] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  221.437035] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  221.455982] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  221.463719] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  221.471020] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  221.478308] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  221.485592] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  221.492876] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  221.500214]  ? arch_local_irq_restore+0x45/0x52
[  221.504922]  dump_stack+0x26a/0x2b4
[  221.508578]  ? dump_stack_print_info.cold.2+0x52/0x52
[  221.513780]  ? mark_held_locks+0x130/0x130
[  221.518034]  ? mark_held_locks+0x130/0x130
[  221.522281]  dump_header+0x27b/0xf72
[  221.526022]  ? pagefault_out_of_memory+0x197/0x197
[  221.530969]  ? mark_held_locks+0x130/0x130
[  221.535247]  ? __lock_acquire+0x7ec/0x4ec0
[  221.539500]  ? mem_cgroup_charge_statistics+0x780/0x780
[  221.544897]  ? print_usage_bug+0xc0/0xc0
[  221.548973]  ? print_usage_bug+0xc0/0xc0
[  221.553050]  ? graph_lock+0x170/0x170
[  221.556852]  ? graph_lock+0x170/0x170
[  221.560682]  ? print_usage_bug+0xc0/0xc0
[  221.564749]  ? print_usage_bug+0xc0/0xc0
[  221.568832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.574385]  ? find_held_lock+0x36/0x1c0
[  221.578487]  ? mark_held_locks+0xc7/0x130
[  221.582661]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  221.587772]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  221.592889]  ? lockdep_hardirqs_on+0x421/0x5c0
[  221.597493]  ? trace_hardirqs_on+0xbd/0x310
[  221.601888]  ? kasan_check_read+0x11/0x20
[  221.606063]  ? ___ratelimit+0x36f/0x655
[  221.610054]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  221.615532]  ? trace_hardirqs_on+0x310/0x310
[  221.619954]  ? lock_downgrade+0x900/0x900
[  221.624126]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  221.629236]  ? ___ratelimit+0xaa/0x655
[  221.633131]  ? idr_get_free+0xec0/0xec0
[  221.637118]  ? kasan_check_write+0x14/0x20
[  221.641363]  ? do_raw_spin_lock+0xc1/0x200
[  221.645626]  oom_kill_process.cold.27+0x10/0x903
[  221.650408]  ? graph_lock+0x170/0x170
[  221.654236]  ? _raw_spin_unlock+0x2c/0x50
[  221.658426]  ? oom_badness+0xe6/0xaa0
[  221.662269]  ? oom_evaluate_task+0x540/0x540
[  221.666698]  ? find_held_lock+0x36/0x1c0
[  221.670776]  ? out_of_memory+0x974/0x14c0
[  221.674935]  ? lock_downgrade+0x900/0x900
[  221.679092]  ? check_preemption_disabled+0x48/0x200
[  221.684123]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  221.689956]  ? kasan_check_read+0x11/0x20
[  221.694131]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  221.699423]  ? rcu_bh_qs+0xc0/0xc0
[  221.702994]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  221.708022]  ? oom_evaluate_task+0x302/0x540
[  221.712445]  out_of_memory+0xa86/0x14c0
[  221.716441]  ? oom_killer_disable+0x3a0/0x3a0
[  221.720946]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  221.725900]  ? __mutex_add_waiter+0x2a0/0x2a0
[  221.730425]  __alloc_pages_slowpath+0x2318/0x2d80
[  221.735310]  ? warn_alloc+0x120/0x120
[  221.739128]  ? __radix_tree_lookup+0x4c0/0x4c0
[  221.743742]  ? find_get_entry+0x2f2/0xc40
[  221.747911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.753466]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  221.758406]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.763955]  ? should_fail+0x22d/0xd01
[  221.767857]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  221.772970]  ? __lock_is_held+0xb5/0x140
[  221.777062]  ? __lock_is_held+0xb5/0x140
[  221.781137]  ? find_held_lock+0x36/0x1c0
[  221.785204]  ? ___might_sleep+0x1ed/0x300
[  221.789368]  ? lock_release+0x970/0x970
[  221.793355]  ? arch_local_save_flags+0x40/0x40
[  221.797956]  ? __might_sleep+0x95/0x190
[  221.801948]  __alloc_pages_nodemask+0xa80/0xde0
[  221.806635]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  221.811660]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  221.817479]  ? kasan_check_read+0x11/0x20
[  221.821668]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  221.826959]  ? graph_lock+0x170/0x170
[  221.830768]  ? print_usage_bug+0xc0/0xc0
[  221.834839]  ? graph_lock+0x170/0x170
[  221.838645]  ? graph_lock+0x170/0x170
[  221.842991]  ? __do_page_cache_readahead+0x7ce/0x980
[  221.848125]  ? find_held_lock+0x36/0x1c0
[  221.852204]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  221.857756]  alloc_pages_current+0x10c/0x210
[  221.862187]  ? lock_downgrade+0x900/0x900
[  221.866348]  __page_cache_alloc+0x38f/0x5b0
[  221.870702]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  221.876687]  ? kasan_check_read+0x11/0x20
[  221.880886]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  221.886172]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  221.890859]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.896405]  ? check_preemption_disabled+0x48/0x200
[  221.901436]  filemap_fault+0x1594/0x25f0
[  221.905522]  ? __lock_page_or_retry+0xa00/0xa00
[  221.910201]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  221.916027]  ? kasan_check_read+0x11/0x20
[  221.920181]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  221.925461]  ? rcu_bh_qs+0xc0/0xc0
[  221.929012]  ? print_usage_bug+0xc0/0xc0
[  221.933100]  ? filemap_map_pages+0xdea/0x1980
[  221.937607]  ? print_usage_bug+0xc0/0xc0
[  221.941679]  ? find_get_pages_range_tag+0x1320/0x1320
[  221.946891]  ? print_usage_bug+0xc0/0xc0
[  221.950954]  ? __lock_acquire+0x7ec/0x4ec0
[  221.955189]  ? graph_lock+0x170/0x170
[  221.958995]  ? __sigqueue_free.part.27+0x7d/0xa0
[  221.963758]  ? __lock_acquire+0x7ec/0x4ec0
[  221.968007]  ? lock_acquire+0x1ed/0x520
[  221.971986]  ? ext4_filemap_fault+0x7a/0xad
[  221.976332]  ? lock_release+0x970/0x970
[  221.980318]  ? arch_local_save_flags+0x40/0x40
[  221.984911]  ? mark_held_locks+0x130/0x130
[  221.989162]  ? down_read+0xb0/0x1d0
[  221.992790]  ? ext4_filemap_fault+0x7a/0xad
[  221.997114]  ? __down_interruptible+0x700/0x700
[  222.001786]  ? graph_lock+0x170/0x170
[  222.005595]  ? __sigqueue_free.part.27+0x7d/0xa0
[  222.010385]  ext4_filemap_fault+0x82/0xad
[  222.014551]  __do_fault+0x100/0x6b0
[  222.018185]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  222.023467]  ? print_bad_pte+0x6c0/0x6c0
[  222.027542]  ? pmd_val+0x88/0x100
[  222.031003]  ? add_mm_counter_fast+0xd0/0xd0
[  222.035453]  ? pmd_val+0x88/0x100
[  222.038905]  ? add_mm_counter_fast+0xd0/0xd0
[  222.043344]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.048891]  __handle_mm_fault+0x3709/0x53e0
[  222.053328]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  222.058191]  ? graph_lock+0x170/0x170
[  222.062005]  ? print_usage_bug+0xc0/0xc0
[  222.066074]  ? graph_lock+0x170/0x170
[  222.069890]  ? graph_lock+0x170/0x170
[  222.073717]  ? handle_mm_fault+0x42a/0xc70
[  222.077954]  ? lock_downgrade+0x900/0x900
[  222.082110]  ? check_preemption_disabled+0x48/0x200
[  222.087136]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  222.092949]  ? kasan_check_read+0x11/0x20
[  222.097110]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  222.102388]  ? rcu_bh_qs+0xc0/0xc0
[  222.105945]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  222.111400]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.116946]  ? check_preemption_disabled+0x48/0x200
[  222.121976]  handle_mm_fault+0x54f/0xc70
[  222.126045]  ? __handle_mm_fault+0x53e0/0x53e0
[  222.130631]  ? find_vma+0x34/0x190
[  222.134222]  __do_page_fault+0x67d/0xed0
[  222.138301]  ? mm_fault_error+0x380/0x380
[  222.142458]  ? syscall_slow_exit_work+0x520/0x520
[  222.147312]  do_page_fault+0xf2/0x7e0
[  222.151135]  ? vmalloc_sync_all+0x30/0x30
[  222.155287]  ? error_entry+0x70/0xd0
[  222.159012]  ? trace_hardirqs_off_caller+0xbb/0x300
[  222.164039]  ? trace_hardirqs_on_caller+0xc0/0x300
[  222.168987]  ? syscall_return_slowpath+0x5e0/0x5e0
[  222.173918]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  222.178787]  ? trace_hardirqs_off+0x300/0x300
[  222.183330]  ? trace_hardirqs_off_caller+0x300/0x300
[  222.188437]  ? prepare_exit_to_usermode+0x291/0x3b0
[  222.193459]  ? page_fault+0x8/0x30
[  222.197017]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  222.201893]  ? page_fault+0x8/0x30
[  222.205436]  page_fault+0x1e/0x30
[  222.208888] RIP: 0033:0x45db60
[  222.212089] Code: Bad RIP value.
[  222.215463] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  222.220829] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  222.228096] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  222.235386] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  222.242666] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  222.249936] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  222.257241] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  222.257248] warn_alloc_show_mem: 1 callbacks suppressed
[  222.257255] Mem-Info:
[  222.264467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  222.269844] active_anon:41581 inactive_anon:372 isolated_anon:0
[  222.269844]  active_file:17 inactive_file:16 isolated_file:0
[  222.269844]  unevictable:0 dirty:0 writeback:0 unstable:0
[  222.269844]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  222.269844]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  222.269844]  free:13699 free_pcp:281 free_cma:0
[  222.272219] Call Trace:
[  222.281609] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  222.314478]  <IRQ>
[  222.317066] Node 0 
[  222.344688]  dump_stack+0x1c4/0x2b4
[  222.346844] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  222.349053]  ? dump_stack_print_info.cold.2+0x52/0x52
[  222.352659] lowmem_reserve[]: 0
[  222.378220]  warn_alloc.cold.118+0xb7/0x1bd
[  222.383385]  2817
[  222.386662]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  222.390953]  6321 6321
[  222.393025]  ? lock_downgrade+0x900/0x900
[  222.400362]  ? trace_hardirqs_off+0xb8/0x300
[  222.404656] Node 0 DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  222.409107]  ? trace_hardirqs_off+0xb8/0x300
[  222.409132]  __alloc_pages_slowpath+0x2667/0x2d80
[  222.436697] lowmem_reserve[]: 0
[  222.441188]  ? warn_alloc+0x120/0x120
[  222.445976]  0
[  222.449260]  ? trace_hardirqs_on+0x310/0x310
[  222.453033]  3503
[  222.454832]  ? warn_alloc+0x120/0x120
[  222.459220]  3503
[  222.461283]  ? print_usage_bug+0xc0/0xc0
[  222.465082] Node 0 
[  222.467141]  ? warn_alloc+0x120/0x120
[  222.471204] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  222.473414]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  222.477191] lowmem_reserve[]:
[  222.505559]  ? print_usage_bug+0xc0/0xc0
[  222.510554]  0
[  222.513653]  ? __lock_acquire+0x7ec/0x4ec0
[  222.517689]  0
[  222.519486]  ? __lock_acquire+0x7ec/0x4ec0
[  222.523696]  0 0
[  222.525523]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.529736] Node 0 
[  222.531715]  ? should_fail+0x22d/0xd01
[  222.537221] DMA: 
[  222.539454]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  222.543342] 1*4kB 
[  222.545397]  ? __lock_acquire+0x7ec/0x4ec0
[  222.550477] (U) 
[  222.552631]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  222.556841] 0*8kB 
[  222.558833]  ? __lock_acquire+0x7ec/0x4ec0
[  222.563914] 0*16kB 
[  222.566082]  ? should_fail+0x22d/0xd01
[  222.570299] 1*32kB 
[  222.572537]  ? print_usage_bug+0xc0/0xc0
[  222.576406] (U) 
[  222.578642]  ? mark_held_locks+0x130/0x130
[  222.582682] 2*64kB (U) 
[  222.584675]  ? mark_held_locks+0x130/0x130
[  222.588896] 1*128kB (U) 
[  222.591499]  ? graph_lock+0x170/0x170
[  222.595712] 1*256kB 
[  222.598375]  ? print_usage_bug+0xc0/0xc0
[  222.602151] (U) 
[  222.604488]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  222.608531] 0*512kB 
[  222.610523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.615248] 1*1024kB (U) 
[  222.617579]  ? check_preemption_disabled+0x48/0x200
[  222.623085] 1*2048kB (M) 
[  222.625852]  ? check_preemption_disabled+0x48/0x200
[  222.630868] 3*4096kB 
[  222.633645]  ? __lock_is_held+0xb5/0x140
[  222.638630] (M) 
[  222.641042]  __alloc_pages_nodemask+0xa80/0xde0
[  222.645070] = 15908kB
[  222.645079] Node 0 
[  222.647050]  ? graph_lock+0x170/0x170
[  222.651696] DMA32: 
[  222.654104]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  222.656338] 2*4kB 
[  222.660132]  ? graph_lock+0x170/0x170
[  222.662346] (M) 
[  222.667363]  ? find_held_lock+0x36/0x1c0
[  222.669497] 1*8kB 
[  222.673307]  ? ____cache_alloc_node+0x1c7/0x1e0
[  222.675260] (U) 
[  222.679316]  ? lock_downgrade+0x900/0x900
[  222.681436] 3*16kB (M) 
[  222.686113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.688061] 1*32kB 
[  222.692201]  cache_grow_begin+0x91/0x8c0
[  222.694759] (M) 
[  222.700301]  ? do_raw_spin_unlock+0xa7/0x2f0
[  222.702526] 3*64kB 
[  222.706583]  fallback_alloc+0x203/0x2e0
[  222.708551] (UM) 
[  222.712962]  ____cache_alloc_node+0x1c7/0x1e0
[  222.715177] 3*128kB 
[  222.719147]  kmem_cache_alloc_node+0xe3/0x730
[  222.721198] (M) 
[  222.725714]  ? ipv6_get_ifaddr+0x42e/0x620
[  222.728011] 3*256kB (UM) 
[  222.732763]  __alloc_skb+0x119/0x770
[  222.734719] 4*512kB 
[  222.738953]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  222.741685] (UM) 
[  222.745397]  ? skb_scrub_packet+0x490/0x490
[  222.747701] 3*1024kB 
[  222.752974]  ? lock_downgrade+0x900/0x900
[  222.755014] (M) 
[  222.759339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.761741] 1*2048kB 
[  222.765896]  ? refcount_sub_and_test_checked+0x203/0x310
[  222.767851] (U) 
[  222.773387]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  222.775773] 4*4096kB (M) 
[  222.781253]  ? addrconf_rs_timer+0x6f0/0x6f0
[  222.783207] = 24992kB
[  222.788662]  ndisc_alloc_skb+0x144/0x340
[  222.791392] Node 0 
[  222.795806]  ndisc_send_rs+0x331/0x6e0
[  222.798188] Normal: 882*4kB 
[  222.802254]  addrconf_rs_timer+0x3c0/0x6f0
[  222.804467] (UME) 
[  222.808352]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.811343] 426*8kB (MEH) 
[  222.815604]  call_timer_fn+0x272/0x920
[  222.817722] 175*16kB (UME) 
[  222.821965]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.824788] 71*32kB (UMEH) 
[  222.828686]  ? process_timeout+0x40/0x40
[  222.831609] 10*64kB (UMH) 
[  222.835851]  ? find_held_lock+0x36/0x1c0
[  222.838760] 2*128kB 
[  222.842838]  ? __run_timers+0x7da/0xc70
[  222.845666] (H) 
[  222.849724]  ? _raw_spin_unlock_irq+0x27/0x80
[  222.852023] 0*256kB 
[  222.856000]  ? _raw_spin_unlock_irq+0x27/0x80
[  222.857958] 2*512kB 
[  222.862450]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.864753] (UH) 
[  222.869244]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  222.871550] 0*1024kB 0*2048kB 
[  222.875813]  ? trace_hardirqs_on+0xbd/0x310
[  222.877850] 0*4096kB 
[  222.883052]  ? kasan_check_read+0x11/0x20
[  222.886224] = 13928kB
[  222.890546]  ? __run_timers+0x7da/0xc70
[  222.892939] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  222.897079]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  222.899476] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  222.903441]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.912249] 412 total pagecache pages
[  222.917696]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.926253] 0 pages in swap cache
[  222.930479]  __run_timers+0x7e5/0xc70
[  222.934257] Swap cache stats: add 0, delete 0, find 0/0
[  222.934266] Free swap  = 0kB
[  222.938517]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  222.941948] Total swap = 0kB
[  222.945744]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  222.951117] 1965979 pages RAM
[  222.954143]  ? graph_lock+0x170/0x170
[  222.959568] 0 pages HighMem/MovableOnly
[  222.959577] 342744 pages reserved
[  222.962591]  ? enqueue_hrtimer+0x1a5/0x560
[  222.967579] 0 pages cma reserved
[  222.967666] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  222.970689]  ? lock_release+0x970/0x970
[  222.970705]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  222.974569] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  222.978465]  ? find_held_lock+0x36/0x1c0
[  222.981898] syz-fuzzer cpuset=
[  222.986123]  ? graph_lock+0x170/0x170
[  222.989466] /
[  222.995952]  ? pvclock_read_flags+0x160/0x160
[  222.999906]  mems_allowed=0
[  223.005090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.041075]  ? check_preemption_disabled+0x48/0x200
[  223.046108]  ? __lock_is_held+0xb5/0x140
[  223.050182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.055722]  ? check_preemption_disabled+0x48/0x200
[  223.060758]  run_timer_softirq+0x52/0xb0
[  223.064825]  ? rcu_read_lock_sched_held+0x108/0x120
[  223.069846]  __do_softirq+0x30b/0xad8
[  223.073657]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  223.078767]  ? pvclock_read_flags+0x160/0x160
[  223.083268]  ? lapic_next_event+0x5a/0x90
[  223.087414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.092975]  ? check_preemption_disabled+0x48/0x200
[  223.098003]  ? check_preemption_disabled+0x48/0x200
[  223.103023]  ? kvm_clock_read+0x18/0x30
[  223.106996]  ? kvm_sched_clock_read+0x9/0x20
[  223.111406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.116948]  ? check_preemption_disabled+0x48/0x200
[  223.121977]  irq_exit+0x17f/0x1c0
[  223.125450]  smp_apic_timer_interrupt+0x1cb/0x760
[  223.130308]  ? smp_reschedule_interrupt+0x109/0x650
[  223.135328]  ? smp_call_function_single_interrupt+0x650/0x650
[  223.141216]  ? interrupt_entry+0xb5/0xf0
[  223.145280]  ? trace_hardirqs_off_caller+0xbb/0x300
[  223.150294]  ? trace_hardirqs_off_caller+0xbb/0x300
[  223.155331]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  223.160175]  ? trace_hardirqs_off+0x300/0x300
[  223.164667]  ? trace_hardirqs_off+0x300/0x300
[  223.169160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.174695]  ? check_preemption_disabled+0x48/0x200
[  223.179711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.185257]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  223.190108]  apic_timer_interrupt+0xf/0x20
[  223.194339]  </IRQ>
[  223.196585] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  223.201527] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  223.220487] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  223.228227] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  223.235493] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  223.242802] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  223.250080] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  223.257363] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  223.264685]  skb_clone+0x1bb/0x500
[  223.268229]  ? finish_task_switch+0x2f5/0x900
[  223.272739]  ? skb_split+0x11e0/0x11e0
[  223.276630]  ? preempt_notifier_register+0x200/0x200
[  223.281734]  ? __switch_to_asm+0x34/0x70
[  223.285803]  ? __switch_to_asm+0x34/0x70
[  223.289863]  ? __switch_to_asm+0x40/0x70
[  223.293934]  ? __switch_to_asm+0x34/0x70
[  223.298004]  ? __switch_to_asm+0x40/0x70
[  223.302068]  ? __switch_to_asm+0x34/0x70
[  223.306127]  ? __switch_to_asm+0x40/0x70
[  223.310195]  ? __switch_to_asm+0x34/0x70
[  223.314258]  ? __switch_to_asm+0x34/0x70
[  223.318318]  ? __switch_to_asm+0x40/0x70
[  223.322393]  ? __switch_to_asm+0x34/0x70
[  223.326464]  bpf_clone_redirect+0xb9/0x490
[  223.330716]  ? __schedule+0x874/0x1ed0
[  223.334623]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  223.339659]  ? __sched_text_start+0x8/0x8
[  223.343818]  ? lockdep_hardirqs_on+0x421/0x5c0
[  223.348401]  ? retint_kernel+0x2d/0x2d
[  223.352288]  ? trace_hardirqs_on_caller+0xc0/0x300
[  223.357243]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  223.362021]  ? find_held_lock+0x36/0x1c0
[  223.366091]  ? lock_acquire+0x1ed/0x520
[  223.370078]  ? bpf_test_run+0x32e/0x5a0
[  223.374058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.379602]  ? check_preemption_disabled+0x48/0x200
[  223.384632]  ? kasan_check_read+0x11/0x20
[  223.388803]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  223.394086]  ? rcu_bh_qs+0xc0/0xc0
[  223.397644]  ? preempt_schedule+0x4d/0x60
[  223.401803]  ? ___preempt_schedule+0x16/0x18
[  223.406222]  ? bpf_test_run+0x1c0/0x5a0
[  223.410213]  ? netlink_diag_dump+0x2a0/0x2a0
[  223.414644]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.420193]  ? bpf_test_init.isra.9+0x70/0x100
[  223.424958]  ? bpf_prog_test_run_skb+0x634/0xb40
[  223.429723]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  223.434593]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  223.440134]  ? fput+0x130/0x1a0
[  223.443429]  ? __bpf_prog_get+0x9b/0x290
[  223.447498]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  223.452355]  ? bpf_prog_test_run+0x130/0x1a0
[  223.456802]  ? __x64_sys_bpf+0x3d8/0x510
[  223.460863]  ? bpf_prog_get+0x20/0x20
[  223.464717]  ? ksys_ioctl+0x81/0xd0
[  223.468413]  ? do_syscall_64+0x1b9/0x820
[  223.472476]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  223.477862]  ? syscall_return_slowpath+0x5e0/0x5e0
[  223.482830]  ? trace_hardirqs_off+0x300/0x300
[  223.487377]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  223.492394]  ? recalc_sigpending_tsk+0x180/0x180
[  223.497159]  ? kasan_check_write+0x14/0x20
[  223.501404]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  223.506257]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  223.511657] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  223.511765] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  223.518597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  223.518603] Call Trace:
[  223.518611]  <IRQ>
[  223.518628]  dump_stack+0x1c4/0x2b4
[  223.518651]  ? dump_stack_print_info.cold.2+0x52/0x52
[  223.525236] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  223.534521]  warn_alloc.cold.118+0xb7/0x1bd
[  223.537081] syz-executor4 cpuset=
[  223.539229]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  223.542835] syz4
[  223.548022]  ? lock_downgrade+0x900/0x900
[  223.558522]  mems_allowed=0
[  223.562843]  ? trace_hardirqs_off+0xb8/0x300
[  223.584534]  ? trace_hardirqs_off+0xb8/0x300
[  223.588954]  __alloc_pages_slowpath+0x2667/0x2d80
[  223.593831]  ? warn_alloc+0x120/0x120
[  223.597639]  ? warn_alloc+0x120/0x120
[  223.601471]  ? print_usage_bug+0xc0/0xc0
[  223.605546]  ? warn_alloc+0x120/0x120
[  223.609347]  ? print_usage_bug+0xc0/0xc0
[  223.613454]  ? __lock_acquire+0x7ec/0x4ec0
[  223.617696]  ? __lock_acquire+0x7ec/0x4ec0
[  223.621938]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.627481]  ? should_fail+0x22d/0xd01
[  223.631382]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  223.636496]  ? __lock_acquire+0x7ec/0x4ec0
[  223.640761]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  223.645862]  ? __lock_acquire+0x7ec/0x4ec0
[  223.650096]  ? should_fail+0x22d/0xd01
[  223.654006]  ? mark_held_locks+0x130/0x130
[  223.658241]  ? mark_held_locks+0x130/0x130
[  223.662475]  ? graph_lock+0x170/0x170
[  223.666283]  ? graph_lock+0x170/0x170
[  223.670092]  ? graph_lock+0x170/0x170
[  223.673893]  ? print_usage_bug+0xc0/0xc0
[  223.677961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.683512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.689059]  ? check_preemption_disabled+0x48/0x200
[  223.694079]  ? check_preemption_disabled+0x48/0x200
[  223.699105]  ? __lock_is_held+0xb5/0x140
[  223.703178]  __alloc_pages_nodemask+0xa80/0xde0
[  223.707854]  ? graph_lock+0x170/0x170
[  223.711660]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  223.716678]  ? graph_lock+0x170/0x170
[  223.720491]  ? find_held_lock+0x36/0x1c0
[  223.724590]  ? ____cache_alloc_node+0x1c7/0x1e0
[  223.729262]  ? lock_downgrade+0x900/0x900
[  223.733438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.739014]  cache_grow_begin+0x91/0x8c0
[  223.743080]  ? do_raw_spin_unlock+0xa7/0x2f0
[  223.747498]  fallback_alloc+0x203/0x2e0
[  223.751491]  ____cache_alloc_node+0x1c7/0x1e0
[  223.756008]  kmem_cache_alloc_node+0xe3/0x730
[  223.760522]  ? ipv6_get_ifaddr+0x42e/0x620
[  223.764772]  __alloc_skb+0x119/0x770
[  223.768492]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  223.773786]  ? skb_scrub_packet+0x490/0x490
[  223.778109]  ? lock_downgrade+0x900/0x900
[  223.782267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.787819]  ? refcount_sub_and_test_checked+0x203/0x310
[  223.793277]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  223.798739]  ? addrconf_rs_timer+0x6f0/0x6f0
[  223.803163]  ndisc_alloc_skb+0x144/0x340
[  223.807233]  ndisc_send_rs+0x331/0x6e0
[  223.811133]  addrconf_rs_timer+0x3c0/0x6f0
[  223.815385]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.819640]  call_timer_fn+0x272/0x920
[  223.823537]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.827785]  ? process_timeout+0x40/0x40
[  223.831878]  ? find_held_lock+0x36/0x1c0
[  223.835949]  ? mark_held_locks+0xc7/0x130
[  223.840637]  ? _raw_spin_unlock_irq+0x27/0x80
[  223.845137]  ? _raw_spin_unlock_irq+0x27/0x80
[  223.849631]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.853882]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  223.858468]  ? trace_hardirqs_on+0xbd/0x310
[  223.862789]  ? kasan_check_read+0x11/0x20
[  223.866941]  ? __run_timers+0x7da/0xc70
[  223.870933]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  223.876420]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.881365]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  223.885608]  __run_timers+0x7e5/0xc70
[  223.889448]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  223.894821]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  223.899843]  ? graph_lock+0x170/0x170
[  223.903646]  ? print_usage_bug+0xc0/0xc0
[  223.907707]  ? lock_release+0x970/0x970
[  223.911682]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  223.916897]  ? find_held_lock+0x36/0x1c0
[  223.920991]  ? graph_lock+0x170/0x170
[  223.924823]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.930386]  ? check_preemption_disabled+0x48/0x200
[  223.935419]  ? __lock_is_held+0xb5/0x140
[  223.939513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.945067]  ? check_preemption_disabled+0x48/0x200
[  223.950096]  run_timer_softirq+0x52/0xb0
[  223.954157]  ? rcu_read_lock_sched_held+0x108/0x120
[  223.959174]  __do_softirq+0x30b/0xad8
[  223.963019]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  223.968130]  ? pvclock_read_flags+0x160/0x160
[  223.972632]  ? lapic_next_event+0x5a/0x90
[  223.976793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.982335]  ? check_preemption_disabled+0x48/0x200
[  223.987352]  ? check_preemption_disabled+0x48/0x200
[  223.992376]  ? kvm_clock_read+0x18/0x30
[  223.996350]  ? kvm_sched_clock_read+0x9/0x20
[  224.000761]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.006318]  ? check_preemption_disabled+0x48/0x200
[  224.011347]  irq_exit+0x17f/0x1c0
[  224.014806]  smp_apic_timer_interrupt+0x1cb/0x760
[  224.019663]  ? smp_reschedule_interrupt+0x109/0x650
[  224.024686]  ? smp_call_function_single_interrupt+0x650/0x650
[  224.030572]  ? interrupt_entry+0xb5/0xf0
[  224.034641]  ? trace_hardirqs_off_caller+0xbb/0x300
[  224.039653]  ? trace_hardirqs_off_caller+0xbb/0x300
[  224.044684]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  224.049532]  ? trace_hardirqs_off+0x300/0x300
[  224.054034]  ? trace_hardirqs_off+0x300/0x300
[  224.058544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.064084]  ? check_preemption_disabled+0x48/0x200
[  224.069114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.074663]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  224.079521]  apic_timer_interrupt+0xf/0x20
[  224.083756]  </IRQ>
[  224.086026] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  224.091312] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  224.110223] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  224.117936] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  224.125206] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  224.132483] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  224.139763] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  224.147059] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  224.154374]  ? arch_local_irq_restore+0x45/0x52
[  224.159051]  dump_stack+0x26a/0x2b4
[  224.162684]  ? dump_stack_print_info.cold.2+0x52/0x52
[  224.167882]  ? mark_held_locks+0x130/0x130
[  224.172119]  ? mark_held_locks+0x130/0x130
[  224.176363]  dump_header+0x27b/0xf72
[  224.180094]  ? pagefault_out_of_memory+0x197/0x197
[  224.185056]  ? mark_held_locks+0x130/0x130
[  224.189289]  ? __lock_acquire+0x7ec/0x4ec0
[  224.193541]  ? mem_cgroup_charge_statistics+0x780/0x780
[  224.198932]  ? print_usage_bug+0xc0/0xc0
[  224.202988]  ? print_usage_bug+0xc0/0xc0
[  224.207072]  ? graph_lock+0x170/0x170
[  224.210872]  ? graph_lock+0x170/0x170
[  224.214675]  ? print_usage_bug+0xc0/0xc0
[  224.218735]  ? print_usage_bug+0xc0/0xc0
[  224.222818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.228388]  ? find_held_lock+0x36/0x1c0
[  224.232460]  ? mark_held_locks+0xc7/0x130
[  224.236613]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  224.241715]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  224.246817]  ? lockdep_hardirqs_on+0x421/0x5c0
[  224.251417]  ? trace_hardirqs_on+0xbd/0x310
[  224.255739]  ? kasan_check_read+0x11/0x20
[  224.259892]  ? ___ratelimit+0x36f/0x655
[  224.263868]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  224.269321]  ? trace_hardirqs_on+0x310/0x310
[  224.273733]  ? lock_downgrade+0x900/0x900
[  224.277889]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  224.282997]  ? ___ratelimit+0xaa/0x655
[  224.286890]  ? idr_get_free+0xec0/0xec0
[  224.290868]  ? kasan_check_write+0x14/0x20
[  224.295105]  ? do_raw_spin_lock+0xc1/0x200
[  224.299350]  oom_kill_process.cold.27+0x10/0x903
[  224.304106]  ? graph_lock+0x170/0x170
[  224.307913]  ? _raw_spin_unlock+0x2c/0x50
[  224.312060]  ? oom_badness+0xe6/0xaa0
[  224.315870]  ? oom_evaluate_task+0x540/0x540
[  224.320286]  ? find_held_lock+0x36/0x1c0
[  224.324376]  ? out_of_memory+0x974/0x14c0
[  224.328546]  ? lock_downgrade+0x900/0x900
[  224.332699]  ? check_preemption_disabled+0x48/0x200
[  224.337736]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  224.343539]  ? kasan_check_read+0x11/0x20
[  224.347693]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  224.352988]  ? rcu_bh_qs+0xc0/0xc0
[  224.356536]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  224.361553]  ? oom_evaluate_task+0x302/0x540
[  224.365965]  out_of_memory+0xa86/0x14c0
[  224.369954]  ? oom_killer_disable+0x3a0/0x3a0
[  224.374464]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  224.379399]  ? __mutex_add_waiter+0x2a0/0x2a0
[  224.383905]  __alloc_pages_slowpath+0x2318/0x2d80
[  224.388801]  ? warn_alloc+0x120/0x120
[  224.392632]  ? __radix_tree_lookup+0x4c0/0x4c0
[  224.397223]  ? find_get_entry+0x2f2/0xc40
[  224.401378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.406927]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  224.411858]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.417414]  ? should_fail+0x22d/0xd01
[  224.421312]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  224.426420]  ? __lock_is_held+0xb5/0x140
[  224.430510]  ? __lock_is_held+0xb5/0x140
[  224.434592]  ? find_held_lock+0x36/0x1c0
[  224.438658]  ? ___might_sleep+0x1ed/0x300
[  224.442799]  ? lock_release+0x970/0x970
[  224.446787]  ? arch_local_save_flags+0x40/0x40
[  224.451376]  ? __might_sleep+0x95/0x190
[  224.455363]  __alloc_pages_nodemask+0xa80/0xde0
[  224.460083]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  224.465104]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  224.470902]  ? kasan_check_read+0x11/0x20
[  224.475063]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  224.480353]  ? graph_lock+0x170/0x170
[  224.484155]  ? print_usage_bug+0xc0/0xc0
[  224.488227]  ? graph_lock+0x170/0x170
[  224.492043]  ? graph_lock+0x170/0x170
[  224.495862]  ? __do_page_cache_readahead+0x7ce/0x980
[  224.500973]  ? find_held_lock+0x36/0x1c0
[  224.505044]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  224.510599]  alloc_pages_current+0x10c/0x210
[  224.515011]  ? lock_downgrade+0x900/0x900
[  224.519182]  __page_cache_alloc+0x38f/0x5b0
[  224.523516]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  224.529317]  ? kasan_check_read+0x11/0x20
[  224.533468]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  224.538756]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  224.543425]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.548993]  ? check_preemption_disabled+0x48/0x200
[  224.554031]  filemap_fault+0x1594/0x25f0
[  224.558113]  ? __lock_page_or_retry+0xa00/0xa00
[  224.562787]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  224.568584]  ? kasan_check_read+0x11/0x20
[  224.572733]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  224.578012]  ? rcu_bh_qs+0xc0/0xc0
[  224.581557]  ? print_usage_bug+0xc0/0xc0
[  224.585630]  ? filemap_map_pages+0xdea/0x1980
[  224.590130]  ? print_usage_bug+0xc0/0xc0
[  224.594214]  ? find_get_pages_range_tag+0x1320/0x1320
[  224.599399]  ? print_usage_bug+0xc0/0xc0
[  224.603457]  ? __lock_acquire+0x7ec/0x4ec0
[  224.607689]  ? graph_lock+0x170/0x170
[  224.611492]  ? __sigqueue_free.part.27+0x7d/0xa0
[  224.616267]  ? __lock_acquire+0x7ec/0x4ec0
[  224.620531]  ? lock_acquire+0x1ed/0x520
[  224.624521]  ? ext4_filemap_fault+0x7a/0xad
[  224.628890]  ? lock_release+0x970/0x970
[  224.632866]  ? arch_local_save_flags+0x40/0x40
[  224.637447]  ? mark_held_locks+0x130/0x130
[  224.641706]  ? down_read+0xb0/0x1d0
[  224.645355]  ? ext4_filemap_fault+0x7a/0xad
[  224.649676]  ? __down_interruptible+0x700/0x700
[  224.654349]  ? graph_lock+0x170/0x170
[  224.658177]  ? __sigqueue_free.part.27+0x7d/0xa0
[  224.662956]  ext4_filemap_fault+0x82/0xad
[  224.667108]  __do_fault+0x100/0x6b0
[  224.670734]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  224.676035]  ? print_bad_pte+0x6c0/0x6c0
[  224.680115]  ? pmd_val+0x88/0x100
[  224.683568]  ? add_mm_counter_fast+0xd0/0xd0
[  224.687971]  ? pmd_val+0x88/0x100
[  224.691431]  ? add_mm_counter_fast+0xd0/0xd0
[  224.695854]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.701398]  __handle_mm_fault+0x3709/0x53e0
[  224.705832]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  224.710676]  ? graph_lock+0x170/0x170
[  224.714476]  ? print_usage_bug+0xc0/0xc0
[  224.718586]  ? graph_lock+0x170/0x170
[  224.722399]  ? graph_lock+0x170/0x170
[  224.726242]  ? handle_mm_fault+0x42a/0xc70
[  224.730475]  ? lock_downgrade+0x900/0x900
[  224.734840]  ? check_preemption_disabled+0x48/0x200
[  224.739864]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  224.745664]  ? kasan_check_read+0x11/0x20
[  224.749815]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  224.755095]  ? rcu_bh_qs+0xc0/0xc0
[  224.758646]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  224.764091]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.769631]  ? check_preemption_disabled+0x48/0x200
[  224.774656]  handle_mm_fault+0x54f/0xc70
[  224.778723]  ? __handle_mm_fault+0x53e0/0x53e0
[  224.783315]  ? find_vma+0x34/0x190
[  224.786867]  __do_page_fault+0x67d/0xed0
[  224.790936]  ? mm_fault_error+0x380/0x380
[  224.795091]  ? syscall_slow_exit_work+0x520/0x520
[  224.799943]  do_page_fault+0xf2/0x7e0
[  224.803753]  ? vmalloc_sync_all+0x30/0x30
[  224.807896]  ? error_entry+0x70/0xd0
[  224.811606]  ? trace_hardirqs_off_caller+0xbb/0x300
[  224.816615]  ? trace_hardirqs_on_caller+0xc0/0x300
[  224.821541]  ? syscall_return_slowpath+0x5e0/0x5e0
[  224.826466]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  224.831319]  ? trace_hardirqs_off+0x300/0x300
[  224.835810]  ? trace_hardirqs_off_caller+0x300/0x300
[  224.841419]  ? prepare_exit_to_usermode+0x291/0x3b0
[  224.846430]  ? page_fault+0x8/0x30
[  224.849968]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  224.854809]  ? page_fault+0x8/0x30
[  224.858357]  page_fault+0x1e/0x30
[  224.861803] RIP: 0033:0x45db60
[  224.864992] Code: Bad RIP value.
[  224.868342] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  224.873716] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  224.880996] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  224.888270] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  224.895564] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  224.902840] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  224.910158] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  224.910163] warn_alloc_show_mem: 1 callbacks suppressed
[  224.910169] Mem-Info:
[  224.917356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  224.922739] active_anon:41581 inactive_anon:372 isolated_anon:0
[  224.922739]  active_file:17 inactive_file:16 isolated_file:0
[  224.922739]  unevictable:0 dirty:0 writeback:0 unstable:0
[  224.922739]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  224.922739]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  224.922739]  free:13699 free_pcp:281 free_cma:0
[  224.925110] Call Trace:
[  224.934493] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  224.967357]  <IRQ>
[  224.969958] Node 0 
[  224.997561]  dump_stack+0x1c4/0x2b4
[  224.999705] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  225.001916]  ? dump_stack_print_info.cold.2+0x52/0x52
[  225.005518] lowmem_reserve[]: 0
[  225.031031]  warn_alloc.cold.118+0xb7/0x1bd
[  225.036187]  2817
[  225.039457]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  225.043749]  6321 6321
[  225.045818]  ? lock_downgrade+0x900/0x900
[  225.053131]  ? trace_hardirqs_off+0xb8/0x300
[  225.057248] Node 0 DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  225.061695]  ? trace_hardirqs_off+0xb8/0x300
[  225.061717]  __alloc_pages_slowpath+0x2667/0x2d80
[  225.089279] lowmem_reserve[]:
[  225.093714]  ? warn_alloc+0x120/0x120
[  225.098507]  0 0
[  225.101615]  ? warn_alloc+0x120/0x120
[  225.105389]  3503
[  225.107355]  ? print_usage_bug+0xc0/0xc0
[  225.111126]  3503
[  225.113203]  ? warn_alloc+0x120/0x120
[  225.119295]  ? print_usage_bug+0xc0/0xc0
[  225.123077] Node 0 
[  225.127126]  ? __lock_acquire+0x7ec/0x4ec0
[  225.127155] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  225.127162] lowmem_reserve[]:
[  225.129403]  ? __lock_acquire+0x7ec/0x4ec0
[  225.133614]  0
[  225.161972]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.165051]  0
[  225.169276]  ? should_fail+0x22d/0xd01
[  225.171060]  0
[  225.176589]  ? kasan_check_read+0x11/0x20
[  225.178378]  0
[  225.182257]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.188187]  ? __lock_acquire+0x7ec/0x4ec0
[  225.189963] Node 0 
[  225.195057]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.199267] DMA: 
[  225.201527]  ? __lock_acquire+0x7ec/0x4ec0
[  225.206608] 1*4kB 
[  225.208669]  ? should_fail+0x22d/0xd01
[  225.212886] (U) 
[  225.215039]  ? check_preemption_disabled+0x48/0x200
[  225.218897] 0*8kB 
[  225.220893]  ? mark_held_locks+0x130/0x130
[  225.225877] 0*16kB 1*32kB 
[  225.228033]  ? mark_held_locks+0x130/0x130
[  225.232251] (U) 
[  225.235108]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  225.239339] 2*64kB 
[  225.241303]  ? graph_lock+0x170/0x170
[  225.241320]  ? graph_lock+0x170/0x170
[  225.246343] (U) 
[  225.248579]  ? print_usage_bug+0xc0/0xc0
[  225.252362] 1*128kB 
[  225.256155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.258111] (U) 
[  225.262171]  ? check_preemption_disabled+0x48/0x200
[  225.264471] 1*256kB 
[  225.270004]  ? check_preemption_disabled+0x48/0x200
[  225.271958] (U) 
[  225.276977]  ? __lock_is_held+0xb5/0x140
[  225.279302] 0*512kB 
[  225.284325]  __alloc_pages_nodemask+0xa80/0xde0
[  225.286283] 1*1024kB 
[  225.290342]  ? graph_lock+0x170/0x170
[  225.292644] (U) 
[  225.297315]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  225.299701] 1*2048kB 
[  225.303516]  ? graph_lock+0x170/0x170
[  225.305469] (M) 
[  225.310527]  ? find_held_lock+0x36/0x1c0
[  225.312917] 3*4096kB 
[  225.316718]  ? ____cache_alloc_node+0x1c7/0x1e0
[  225.318662] (M) 
[  225.322716]  ? lock_downgrade+0x900/0x900
[  225.325112] = 15908kB
[  225.329779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.331727] Node 0 
[  225.335868]  cache_grow_begin+0x91/0x8c0
[  225.338264] DMA32: 
[  225.343805]  ? do_raw_spin_unlock+0xa7/0x2f0
[  225.346025] 2*4kB 
[  225.350086]  fallback_alloc+0x203/0x2e0
[  225.352297] (M) 
[  225.356706]  ____cache_alloc_node+0x1c7/0x1e0
[  225.358831] 1*8kB 
[  225.362803]  kmem_cache_alloc_node+0xe3/0x730
[  225.364751] (U) 
[  225.369284]  ? ipv6_get_ifaddr+0x42e/0x620
[  225.371423] 3*16kB 
[  225.375917]  __alloc_skb+0x119/0x770
[  225.377863] (M) 
[  225.382096]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  225.384321] 1*32kB (M) 
[  225.388054]  ? skb_scrub_packet+0x490/0x490
[  225.390004] 3*64kB (UM) 
[  225.395313]  ? lock_downgrade+0x900/0x900
[  225.397874] 3*128kB 
[  225.402192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.404835] (M) 
[  225.408994]  ? refcount_sub_and_test_checked+0x203/0x310
[  225.411279] 3*256kB (UM) 
[  225.416827]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  225.418782] 4*512kB 
[  225.424250]  ? addrconf_rs_timer+0x6f0/0x6f0
[  225.426981] (UM) 
[  225.432439]  ndisc_alloc_skb+0x144/0x340
[  225.434732] 3*1024kB (M) 
[  225.439205]  ndisc_send_rs+0x331/0x6e0
[  225.441265] 1*2048kB 
[  225.445346]  addrconf_rs_timer+0x3c0/0x6f0
[  225.448079] (U) 
[  225.451960]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.454348] 4*4096kB 
[  225.458587]  call_timer_fn+0x272/0x920
[  225.460549] (M) 
[  225.464778]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.467176] = 24992kB
[  225.471081]  ? process_timeout+0x40/0x40
[  225.473034] Node 0 
[  225.477277]  ? find_held_lock+0x36/0x1c0
[  225.479667] Normal: 
[  225.483731]  ? __run_timers+0x7da/0xc70
[  225.485942] 882*4kB 
[  225.489998]  ? _raw_spin_unlock_irq+0x27/0x80
[  225.492296] (UME) 
[  225.496263]  ? _raw_spin_unlock_irq+0x27/0x80
[  225.498563] 426*8kB (MEH) 
[  225.503059]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.505181] 175*16kB (UME) 
[  225.509682]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  225.512515] 71*32kB 
[  225.516746]  ? trace_hardirqs_on+0xbd/0x310
[  225.519654] (UMEH) 
[  225.524234]  ? kasan_check_read+0x11/0x20
[  225.526537] 10*64kB 
[  225.530855]  ? __run_timers+0x7da/0xc70
[  225.533070] (UMH) 
[  225.537320]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  225.539621] 2*128kB 
[  225.543594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.545730] (H) 
[  225.551191]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.553494] 0*256kB 
[  225.557741]  __run_timers+0x7e5/0xc70
[  225.559697] 2*512kB 
[  225.563936]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  225.566243] (UH) 
[  225.570053]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  225.572380] 0*1024kB 0*2048kB 
[  225.577761]  ? graph_lock+0x170/0x170
[  225.579797] 0*4096kB = 13928kB
[  225.584823]  ? enqueue_hrtimer+0x1a5/0x560
[  225.588000] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  225.591797]  ? lock_release+0x970/0x970
[  225.594969] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  225.599197]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  225.608014] 412 total pagecache pages
[  225.611990]  ? find_held_lock+0x36/0x1c0
[  225.620572] 0 pages in swap cache
[  225.625754]  ? graph_lock+0x170/0x170
[  225.629532] Swap cache stats: add 0, delete 0, find 0/0
[  225.629542] Free swap  = 0kB
[  225.633601]  ? pvclock_read_flags+0x160/0x160
[  225.637029] Total swap = 0kB
[  225.640832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.646170] 1965979 pages RAM
[  225.649188]  ? check_preemption_disabled+0x48/0x200
[  225.653659] 0 pages HighMem/MovableOnly
[  225.656679]  ? __lock_is_held+0xb5/0x140
[  225.662215] 342744 pages reserved
[  225.665316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.670319] 0 pages cma reserved
[  225.670423] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  225.674322]  ? check_preemption_disabled+0x48/0x200
[  225.678461] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  225.681824]  run_timer_softirq+0x52/0xb0
[  225.687334] syz-fuzzer cpuset=
[  225.690704]  ? rcu_read_lock_sched_held+0x108/0x120
[  225.697178] /
[  225.702201]  __do_softirq+0x30b/0xad8
[  225.712410]  mems_allowed=0
[  225.716484]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  225.738355]  ? pvclock_read_flags+0x160/0x160
[  225.743036]  ? lapic_next_event+0x5a/0x90
[  225.747362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.752908]  ? check_preemption_disabled+0x48/0x200
[  225.757927]  ? check_preemption_disabled+0x48/0x200
[  225.762950]  ? kvm_clock_read+0x18/0x30
[  225.766954]  ? kvm_sched_clock_read+0x9/0x20
[  225.771370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.776915]  ? check_preemption_disabled+0x48/0x200
[  225.781946]  irq_exit+0x17f/0x1c0
[  225.785409]  smp_apic_timer_interrupt+0x1cb/0x760
[  225.790255]  ? smp_reschedule_interrupt+0x109/0x650
[  225.795281]  ? smp_call_function_single_interrupt+0x650/0x650
[  225.801168]  ? interrupt_entry+0xb5/0xf0
[  225.805233]  ? trace_hardirqs_off_caller+0xbb/0x300
[  225.810252]  ? trace_hardirqs_off_caller+0xbb/0x300
[  225.815271]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  225.820117]  ? trace_hardirqs_off+0x300/0x300
[  225.824614]  ? trace_hardirqs_off+0x300/0x300
[  225.829124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.834683]  ? check_preemption_disabled+0x48/0x200
[  225.839700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.845433]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  225.850289]  apic_timer_interrupt+0xf/0x20
[  225.854532]  </IRQ>
[  225.856782] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  225.861720] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  225.880892] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  225.888606] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  225.895876] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  225.903156] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  225.910443] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  225.917711] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  225.925030]  skb_clone+0x1bb/0x500
[  225.928575]  ? finish_task_switch+0x2f5/0x900
[  225.933089]  ? skb_split+0x11e0/0x11e0
[  225.936983]  ? preempt_notifier_register+0x200/0x200
[  225.942087]  ? __switch_to_asm+0x34/0x70
[  225.946151]  ? __switch_to_asm+0x34/0x70
[  225.950211]  ? __switch_to_asm+0x40/0x70
[  225.954269]  ? __switch_to_asm+0x34/0x70
[  225.958351]  ? __switch_to_asm+0x40/0x70
[  225.962415]  ? __switch_to_asm+0x34/0x70
[  225.966486]  ? __switch_to_asm+0x40/0x70
[  225.970556]  ? __switch_to_asm+0x34/0x70
[  225.974618]  ? __switch_to_asm+0x34/0x70
[  225.978678]  ? __switch_to_asm+0x40/0x70
[  225.982744]  ? __switch_to_asm+0x34/0x70
[  225.986827]  bpf_clone_redirect+0xb9/0x490
[  225.991069]  ? __schedule+0x874/0x1ed0
[  225.994964]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  225.999996]  ? __sched_text_start+0x8/0x8
[  226.004151]  ? lockdep_hardirqs_on+0x421/0x5c0
[  226.008731]  ? retint_kernel+0x2d/0x2d
[  226.012647]  ? trace_hardirqs_on_caller+0xc0/0x300
[  226.017589]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  226.022356]  ? find_held_lock+0x36/0x1c0
[  226.026428]  ? lock_acquire+0x1ed/0x520
[  226.030402]  ? bpf_test_run+0x32e/0x5a0
[  226.034380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.039924]  ? check_preemption_disabled+0x48/0x200
[  226.044952]  ? kasan_check_read+0x11/0x20
[  226.049109]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  226.054389]  ? rcu_bh_qs+0xc0/0xc0
[  226.057936]  ? preempt_schedule+0x4d/0x60
[  226.062116]  ? ___preempt_schedule+0x16/0x18
[  226.066543]  ? bpf_test_run+0x1c0/0x5a0
[  226.070590]  ? netlink_diag_dump+0x2a0/0x2a0
[  226.075019]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.080555]  ? bpf_test_init.isra.9+0x70/0x100
[  226.085145]  ? bpf_prog_test_run_skb+0x634/0xb40
[  226.089924]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  226.094771]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  226.100314]  ? fput+0x130/0x1a0
[  226.103593]  ? __bpf_prog_get+0x9b/0x290
[  226.107661]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  226.112508]  ? bpf_prog_test_run+0x130/0x1a0
[  226.116946]  ? __x64_sys_bpf+0x3d8/0x510
[  226.121034]  ? bpf_prog_get+0x20/0x20
[  226.124860]  ? ksys_ioctl+0x81/0xd0
[  226.128506]  ? do_syscall_64+0x1b9/0x820
[  226.132582]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  226.137947]  ? syscall_return_slowpath+0x5e0/0x5e0
[  226.142884]  ? trace_hardirqs_off+0x300/0x300
[  226.147385]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  226.152426]  ? recalc_sigpending_tsk+0x180/0x180
[  226.157188]  ? kasan_check_write+0x14/0x20
[  226.161445]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  226.166309]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  226.171697] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  226.171783] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  226.178643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  226.178649] Call Trace:
[  226.178657]  <IRQ>
[  226.178676]  dump_stack+0x1c4/0x2b4
[  226.178694]  ? dump_stack_print_info.cold.2+0x52/0x52
[  226.185273] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  226.194562]  warn_alloc.cold.118+0xb7/0x1bd
[  226.197118] syz-executor4 cpuset=
[  226.199262]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  226.202864] syz4
[  226.208064]  ? lock_downgrade+0x900/0x900
[  226.218544]  mems_allowed=0
[  226.222870]  ? trace_hardirqs_off+0xb8/0x300
[  226.244574]  ? trace_hardirqs_off+0xb8/0x300
[  226.249000]  __alloc_pages_slowpath+0x2667/0x2d80
[  226.253882]  ? warn_alloc+0x120/0x120
[  226.257692]  ? trace_hardirqs_on+0x310/0x310
[  226.262104]  ? warn_alloc+0x120/0x120
[  226.265913]  ? print_usage_bug+0xc0/0xc0
[  226.269975]  ? warn_alloc+0x120/0x120
[  226.273802]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  226.278826]  ? print_usage_bug+0xc0/0xc0
[  226.282896]  ? __lock_acquire+0x7ec/0x4ec0
[  226.287130]  ? __lock_acquire+0x7ec/0x4ec0
[  226.291373]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.296920]  ? should_fail+0x22d/0xd01
[  226.300817]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  226.305928]  ? __lock_acquire+0x7ec/0x4ec0
[  226.310170]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  226.315298]  ? __lock_acquire+0x7ec/0x4ec0
[  226.319540]  ? should_fail+0x22d/0xd01
[  226.323437]  ? print_usage_bug+0xc0/0xc0
[  226.327527]  ? mark_held_locks+0x130/0x130
[  226.331775]  ? mark_held_locks+0x130/0x130
[  226.336020]  ? graph_lock+0x170/0x170
[  226.339827]  ? print_usage_bug+0xc0/0xc0
[  226.343894]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  226.348657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.354230]  ? check_preemption_disabled+0x48/0x200
[  226.359249]  ? check_preemption_disabled+0x48/0x200
[  226.364280]  ? __lock_is_held+0xb5/0x140
[  226.368363]  __alloc_pages_nodemask+0xa80/0xde0
[  226.373035]  ? graph_lock+0x170/0x170
[  226.376842]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  226.381872]  ? graph_lock+0x170/0x170
[  226.385685]  ? find_held_lock+0x36/0x1c0
[  226.389759]  ? ____cache_alloc_node+0x1c7/0x1e0
[  226.394434]  ? lock_downgrade+0x900/0x900
[  226.398598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.404143]  cache_grow_begin+0x91/0x8c0
[  226.408209]  ? do_raw_spin_unlock+0xa7/0x2f0
[  226.412628]  fallback_alloc+0x203/0x2e0
[  226.416625]  ____cache_alloc_node+0x1c7/0x1e0
[  226.421130]  kmem_cache_alloc_node+0xe3/0x730
[  226.425636]  ? ipv6_get_ifaddr+0x42e/0x620
[  226.429899]  __alloc_skb+0x119/0x770
[  226.433623]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  226.438909]  ? skb_scrub_packet+0x490/0x490
[  226.443256]  ? lock_downgrade+0x900/0x900
[  226.447420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.452960]  ? refcount_sub_and_test_checked+0x203/0x310
[  226.458418]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  226.463888]  ? addrconf_rs_timer+0x6f0/0x6f0
[  226.468355]  ndisc_alloc_skb+0x144/0x340
[  226.472440]  ndisc_send_rs+0x331/0x6e0
[  226.476336]  addrconf_rs_timer+0x3c0/0x6f0
[  226.480583]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.484838]  call_timer_fn+0x272/0x920
[  226.488726]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.492966]  ? process_timeout+0x40/0x40
[  226.497030]  ? find_held_lock+0x36/0x1c0
[  226.501129]  ? mark_held_locks+0xc7/0x130
[  226.505283]  ? _raw_spin_unlock_irq+0x27/0x80
[  226.509785]  ? _raw_spin_unlock_irq+0x27/0x80
[  226.514286]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.518544]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  226.523131]  ? trace_hardirqs_on+0xbd/0x310
[  226.527459]  ? kasan_check_read+0x11/0x20
[  226.531614]  ? __run_timers+0x7da/0xc70
[  226.535592]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  226.541078]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.545328]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  226.549576]  __run_timers+0x7e5/0xc70
[  226.553484]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  226.558862]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  226.563886]  ? graph_lock+0x170/0x170
[  226.567693]  ? print_usage_bug+0xc0/0xc0
[  226.571753]  ? lock_release+0x970/0x970
[  226.575735]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  226.580933]  ? find_held_lock+0x36/0x1c0
[  226.585034]  ? graph_lock+0x170/0x170
[  226.588847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.594409]  ? check_preemption_disabled+0x48/0x200
[  226.599440]  ? __lock_is_held+0xb5/0x140
[  226.603513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.609054]  ? check_preemption_disabled+0x48/0x200
[  226.614081]  run_timer_softirq+0x52/0xb0
[  226.618150]  ? rcu_read_lock_sched_held+0x108/0x120
[  226.623176]  __do_softirq+0x30b/0xad8
[  226.626996]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  226.632218]  ? pvclock_read_flags+0x160/0x160
[  226.636715]  ? lapic_next_event+0x5a/0x90
[  226.640865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.646406]  ? check_preemption_disabled+0x48/0x200
[  226.651421]  ? check_preemption_disabled+0x48/0x200
[  226.656451]  ? kvm_clock_read+0x18/0x30
[  226.660433]  ? kvm_sched_clock_read+0x9/0x20
[  226.664846]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.670403]  ? check_preemption_disabled+0x48/0x200
[  226.675439]  irq_exit+0x17f/0x1c0
[  226.678906]  smp_apic_timer_interrupt+0x1cb/0x760
[  226.683762]  ? smp_reschedule_interrupt+0x109/0x650
[  226.688787]  ? smp_call_function_single_interrupt+0x650/0x650
[  226.694676]  ? interrupt_entry+0xb5/0xf0
[  226.698744]  ? trace_hardirqs_off_caller+0xbb/0x300
[  226.703783]  ? trace_hardirqs_off_caller+0xbb/0x300
[  226.708810]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  226.713659]  ? trace_hardirqs_off+0x300/0x300
[  226.718160]  ? trace_hardirqs_off+0x300/0x300
[  226.722661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.728203]  ? check_preemption_disabled+0x48/0x200
[  226.733395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.738948]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  226.743805]  apic_timer_interrupt+0xf/0x20
[  226.748037]  </IRQ>
[  226.750281] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  226.755566] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  226.774475] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  226.782235] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  226.789511] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  226.796781] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  226.804050] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  226.811321] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  226.818617]  ? arch_local_irq_restore+0x45/0x52
[  226.823315]  dump_stack+0x26a/0x2b4
[  226.826945]  ? dump_stack_print_info.cold.2+0x52/0x52
[  226.832140]  ? mark_held_locks+0x130/0x130
[  226.836412]  ? mark_held_locks+0x130/0x130
[  226.840649]  dump_header+0x27b/0xf72
[  226.844391]  ? pagefault_out_of_memory+0x197/0x197
[  226.849328]  ? mark_held_locks+0x130/0x130
[  226.853568]  ? __lock_acquire+0x7ec/0x4ec0
[  226.857809]  ? mem_cgroup_charge_statistics+0x780/0x780
[  226.863184]  ? print_usage_bug+0xc0/0xc0
[  226.867248]  ? print_usage_bug+0xc0/0xc0
[  226.871333]  ? graph_lock+0x170/0x170
[  226.875129]  ? graph_lock+0x170/0x170
[  226.878930]  ? print_usage_bug+0xc0/0xc0
[  226.882989]  ? print_usage_bug+0xc0/0xc0
[  226.887060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.892610]  ? find_held_lock+0x36/0x1c0
[  226.896680]  ? mark_held_locks+0xc7/0x130
[  226.900833]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  226.905936]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  226.911054]  ? lockdep_hardirqs_on+0x421/0x5c0
[  226.915639]  ? trace_hardirqs_on+0xbd/0x310
[  226.919963]  ? kasan_check_read+0x11/0x20
[  226.924120]  ? ___ratelimit+0x36f/0x655
[  226.928099]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  226.933555]  ? trace_hardirqs_on+0x310/0x310
[  226.937971]  ? lock_downgrade+0x900/0x900
[  226.942130]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  226.947238]  ? ___ratelimit+0xaa/0x655
[  226.951142]  ? idr_get_free+0xec0/0xec0
[  226.955122]  ? kasan_check_write+0x14/0x20
[  226.959359]  ? do_raw_spin_lock+0xc1/0x200
[  226.963607]  oom_kill_process.cold.27+0x10/0x903
[  226.968385]  ? graph_lock+0x170/0x170
[  226.972188]  ? _raw_spin_unlock+0x2c/0x50
[  226.976342]  ? oom_badness+0xe6/0xaa0
[  226.980147]  ? oom_evaluate_task+0x540/0x540
[  226.984565]  ? find_held_lock+0x36/0x1c0
[  226.988646]  ? out_of_memory+0x974/0x14c0
[  226.992800]  ? lock_downgrade+0x900/0x900
[  226.996952]  ? check_preemption_disabled+0x48/0x200
[  227.001990]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  227.007802]  ? kasan_check_read+0x11/0x20
[  227.011953]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  227.017233]  ? rcu_bh_qs+0xc0/0xc0
[  227.020785]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  227.025828]  ? oom_evaluate_task+0x302/0x540
[  227.030242]  out_of_memory+0xa86/0x14c0
[  227.034227]  ? oom_killer_disable+0x3a0/0x3a0
[  227.038731]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  227.043671]  ? __mutex_add_waiter+0x2a0/0x2a0
[  227.048191]  __alloc_pages_slowpath+0x2318/0x2d80
[  227.053090]  ? warn_alloc+0x120/0x120
[  227.056901]  ? __radix_tree_lookup+0x4c0/0x4c0
[  227.061523]  ? find_get_entry+0x2f2/0xc40
[  227.065712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.071272]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  227.076229]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.081775]  ? should_fail+0x22d/0xd01
[  227.085676]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  227.090782]  ? __lock_is_held+0xb5/0x140
[  227.094885]  ? __lock_is_held+0xb5/0x140
[  227.098955]  ? find_held_lock+0x36/0x1c0
[  227.103025]  ? ___might_sleep+0x1ed/0x300
[  227.107192]  ? lock_release+0x970/0x970
[  227.111193]  ? arch_local_save_flags+0x40/0x40
[  227.115809]  ? __might_sleep+0x95/0x190
[  227.119806]  __alloc_pages_nodemask+0xa80/0xde0
[  227.124493]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  227.129544]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  227.135349]  ? kasan_check_read+0x11/0x20
[  227.139507]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  227.144792]  ? graph_lock+0x170/0x170
[  227.148596]  ? print_usage_bug+0xc0/0xc0
[  227.152666]  ? graph_lock+0x170/0x170
[  227.156476]  ? graph_lock+0x170/0x170
[  227.160292]  ? __do_page_cache_readahead+0x7ce/0x980
[  227.165408]  ? find_held_lock+0x36/0x1c0
[  227.169484]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  227.175035]  alloc_pages_current+0x10c/0x210
[  227.179450]  ? lock_downgrade+0x900/0x900
[  227.183629]  __page_cache_alloc+0x38f/0x5b0
[  227.187956]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  227.193754]  ? kasan_check_read+0x11/0x20
[  227.197934]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  227.203216]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  227.207891]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.213433]  ? check_preemption_disabled+0x48/0x200
[  227.218459]  filemap_fault+0x1594/0x25f0
[  227.222547]  ? __lock_page_or_retry+0xa00/0xa00
[  227.227229]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  227.233028]  ? kasan_check_read+0x11/0x20
[  227.237192]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  227.242469]  ? rcu_bh_qs+0xc0/0xc0
[  227.246025]  ? print_usage_bug+0xc0/0xc0
[  227.250095]  ? filemap_map_pages+0xdea/0x1980
[  227.254601]  ? print_usage_bug+0xc0/0xc0
[  227.258709]  ? find_get_pages_range_tag+0x1320/0x1320
[  227.263901]  ? print_usage_bug+0xc0/0xc0
[  227.267967]  ? __lock_acquire+0x7ec/0x4ec0
[  227.272380]  ? graph_lock+0x170/0x170
[  227.276186]  ? __sigqueue_free.part.27+0x7d/0xa0
[  227.280955]  ? __lock_acquire+0x7ec/0x4ec0
[  227.285211]  ? lock_acquire+0x1ed/0x520
[  227.289190]  ? ext4_filemap_fault+0x7a/0xad
[  227.293529]  ? lock_release+0x970/0x970
[  227.297517]  ? arch_local_save_flags+0x40/0x40
[  227.302122]  ? mark_held_locks+0x130/0x130
[  227.306373]  ? down_read+0xb0/0x1d0
[  227.309998]  ? ext4_filemap_fault+0x7a/0xad
[  227.314332]  ? __down_interruptible+0x700/0x700
[  227.319010]  ? graph_lock+0x170/0x170
[  227.322820]  ? __sigqueue_free.part.27+0x7d/0xa0
[  227.327598]  ext4_filemap_fault+0x82/0xad
[  227.331754]  __do_fault+0x100/0x6b0
[  227.335396]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  227.340715]  ? print_bad_pte+0x6c0/0x6c0
[  227.344784]  ? pmd_val+0x88/0x100
[  227.348242]  ? add_mm_counter_fast+0xd0/0xd0
[  227.352652]  ? pmd_val+0x88/0x100
[  227.356107]  ? add_mm_counter_fast+0xd0/0xd0
[  227.360529]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.366077]  __handle_mm_fault+0x3709/0x53e0
[  227.370507]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  227.375359]  ? graph_lock+0x170/0x170
[  227.379162]  ? print_usage_bug+0xc0/0xc0
[  227.383227]  ? graph_lock+0x170/0x170
[  227.387027]  ? graph_lock+0x170/0x170
[  227.390851]  ? handle_mm_fault+0x42a/0xc70
[  227.395107]  ? lock_downgrade+0x900/0x900
[  227.399280]  ? check_preemption_disabled+0x48/0x200
[  227.404315]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  227.410116]  ? kasan_check_read+0x11/0x20
[  227.414269]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  227.419564]  ? rcu_bh_qs+0xc0/0xc0
[  227.423105]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  227.428559]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.434102]  ? check_preemption_disabled+0x48/0x200
[  227.439138]  handle_mm_fault+0x54f/0xc70
[  227.443238]  ? __handle_mm_fault+0x53e0/0x53e0
[  227.447828]  ? find_vma+0x34/0x190
[  227.451380]  __do_page_fault+0x67d/0xed0
[  227.455475]  ? mm_fault_error+0x380/0x380
[  227.459639]  ? syscall_slow_exit_work+0x520/0x520
[  227.464491]  do_page_fault+0xf2/0x7e0
[  227.468326]  ? vmalloc_sync_all+0x30/0x30
[  227.472477]  ? error_entry+0x70/0xd0
[  227.476205]  ? trace_hardirqs_off_caller+0xbb/0x300
[  227.481221]  ? trace_hardirqs_on_caller+0xc0/0x300
[  227.486182]  ? syscall_return_slowpath+0x5e0/0x5e0
[  227.491113]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.495982]  ? trace_hardirqs_off+0x300/0x300
[  227.500478]  ? trace_hardirqs_off_caller+0x300/0x300
[  227.505595]  ? prepare_exit_to_usermode+0x291/0x3b0
[  227.510614]  ? page_fault+0x8/0x30
[  227.514162]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.519649]  ? page_fault+0x8/0x30
[  227.523195]  page_fault+0x1e/0x30
[  227.526658] RIP: 0033:0x45db60
[  227.529863] Code: Bad RIP value.
[  227.533227] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  227.538592] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  227.545861] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  227.553128] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  227.560415] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  227.567698] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  227.574992] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  227.575010] warn_alloc_show_mem: 1 callbacks suppressed
[  227.575017] Mem-Info:
[  227.582225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  227.587598] active_anon:41581 inactive_anon:372 isolated_anon:0
[  227.587598]  active_file:17 inactive_file:16 isolated_file:0
[  227.587598]  unevictable:0 dirty:0 writeback:0 unstable:0
[  227.587598]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  227.587598]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  227.587598]  free:13699 free_pcp:281 free_cma:0
[  227.589971] Call Trace:
[  227.599364] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  227.632221]  <IRQ>
[  227.634800] Node 0 
[  227.662484]  dump_stack+0x1c4/0x2b4
[  227.664644] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  227.666853]  ? dump_stack_print_info.cold.2+0x52/0x52
[  227.670450] lowmem_reserve[]: 0
[  227.695988]  warn_alloc.cold.118+0xb7/0x1bd
[  227.701153]  2817
[  227.704441]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  227.708738]  6321
[  227.710808]  ? lock_downgrade+0x900/0x900
[  227.715620]  6321
[  227.717693]  ? trace_hardirqs_off+0xb8/0x300
[  227.721830] Node 0 
[  227.723893]  ? trace_hardirqs_off+0xb8/0x300
[  227.728330] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  227.730564]  __alloc_pages_slowpath+0x2667/0x2d80
[  227.734937] lowmem_reserve[]: 0
[  227.761964]  ? warn_alloc+0x120/0x120
[  227.766762]  0
[  227.770042]  ? trace_hardirqs_on+0x310/0x310
[  227.773820]  3503
[  227.775619]  ? warn_alloc+0x120/0x120
[  227.779998]  3503
[  227.782067]  ? print_usage_bug+0xc0/0xc0
[  227.785847] Node 0 
[  227.787909]  ? warn_alloc+0x120/0x120
[  227.791974] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  227.794182]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  227.797965] lowmem_reserve[]:
[  227.826412]  ? print_usage_bug+0xc0/0xc0
[  227.831405]  0
[  227.834516]  ? __lock_acquire+0x7ec/0x4ec0
[  227.838556]  0
[  227.840539]  ? __lock_acquire+0x7ec/0x4ec0
[  227.844757]  0
[  227.846585]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.850790]  0
[  227.852608]  ? should_fail+0x22d/0xd01
[  227.858122] Node 0 
[  227.859920]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  227.863784] DMA: 
[  227.866026]  ? __lock_acquire+0x7ec/0x4ec0
[  227.871106] 1*4kB 
[  227.873169]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  227.877405] (U) 
[  227.879550]  ? __lock_acquire+0x7ec/0x4ec0
[  227.884633] 0*8kB 
[  227.886620]  ? should_fail+0x22d/0xd01
[  227.890833] 0*16kB 
[  227.892979]  ? print_usage_bug+0xc0/0xc0
[  227.896843] 1*32kB 
[  227.899083]  ? mark_held_locks+0x130/0x130
[  227.903117] (U) 
[  227.905358]  ? mark_held_locks+0x130/0x130
[  227.909575] 2*64kB 
[  227.911562]  ? graph_lock+0x170/0x170
[  227.915769] (U) 
[  227.918006]  ? print_usage_bug+0xc0/0xc0
[  227.921786] 1*128kB (U) 1*256kB 
[  227.923778]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  227.927811] (U) 0*512kB 
[  227.931189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.935949] 1*1024kB 
[  227.938620]  ? check_preemption_disabled+0x48/0x200
[  227.944126] (U) 
[  227.946551]  ? check_preemption_disabled+0x48/0x200
[  227.951562] 1*2048kB 
[  227.953546]  ? __lock_is_held+0xb5/0x140
[  227.958560] (M) 
[  227.960982]  __alloc_pages_nodemask+0xa80/0xde0
[  227.965015] 3*4096kB 
[  227.967014]  ? graph_lock+0x170/0x170
[  227.971658] (M) 
[  227.974076]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  227.977849] = 15908kB
[  227.977857] Node 0 
[  227.979847]  ? graph_lock+0x170/0x170
[  227.984854] DMA32: 
[  227.987269]  ? find_held_lock+0x36/0x1c0
[  227.989480] 2*4kB 
[  227.993293]  ? ____cache_alloc_node+0x1c7/0x1e0
[  227.995521] (M) 
[  227.999584]  ? lock_downgrade+0x900/0x900
[  228.001713] 1*8kB 
[  228.006380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.008329] (U) 
[  228.012475]  cache_grow_begin+0x91/0x8c0
[  228.014603] 3*16kB 
[  228.020152]  ? do_raw_spin_unlock+0xa7/0x2f0
[  228.022104] (M) 
[  228.026162]  fallback_alloc+0x203/0x2e0
[  228.028376] 1*32kB 
[  228.032831]  ____cache_alloc_node+0x1c7/0x1e0
[  228.034779] (M) 
[  228.038752]  kmem_cache_alloc_node+0xe3/0x730
[  228.040962] 3*64kB (UM) 
[  228.045474]  ? ipv6_get_ifaddr+0x42e/0x620
[  228.047427] 3*128kB 
[  228.051926]  __alloc_skb+0x119/0x770
[  228.054575] (M) 
[  228.058816]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  228.061129] 3*256kB 
[  228.064849]  ? skb_scrub_packet+0x490/0x490
[  228.066805] (UM) 
[  228.072083]  ? lock_downgrade+0x900/0x900
[  228.074395] 4*512kB 
[  228.078718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.080752] (UM) 
[  228.084895]  ? refcount_sub_and_test_checked+0x203/0x310
[  228.087216] 3*1024kB 
[  228.092756]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  228.094800] (M) 
[  228.100246]  ? addrconf_rs_timer+0x6f0/0x6f0
[  228.102634] 1*2048kB 
[  228.108089]  ndisc_alloc_skb+0x144/0x340
[  228.110039] (U) 
[  228.114446]  ndisc_send_rs+0x331/0x6e0
[  228.116826] 4*4096kB (M) 
[  228.120908]  addrconf_rs_timer+0x3c0/0x6f0
[  228.122855] = 24992kB
[  228.122863] Node 0 
[  228.126749]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.129484] Normal: 
[  228.133752]  call_timer_fn+0x272/0x920
[  228.136134] 882*4kB 
[  228.138378]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.142590] (UME) 
[  228.144918]  ? process_timeout+0x40/0x40
[  228.148775] 426*8kB (MEH) 
[  228.151113]  ? find_held_lock+0x36/0x1c0
[  228.155324] 175*16kB 
[  228.157477]  ? __run_timers+0x7da/0xc70
[  228.161514] (UME) 
[  228.164358]  ? _raw_spin_unlock_irq+0x27/0x80
[  228.168390] 71*32kB (UMEH) 
[  228.170813]  ? _raw_spin_unlock_irq+0x27/0x80
[  228.174771] 10*64kB 
[  228.176946]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.181417] (UMH) 
[  228.184356]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  228.188841] 2*128kB 
[  228.191211]  ? trace_hardirqs_on+0xbd/0x310
[  228.195420] (H) 
[  228.197575]  ? kasan_check_read+0x11/0x20
[  228.202148] 0*256kB 
[  228.204472]  ? __run_timers+0x7da/0xc70
[  228.208770] 2*512kB 
[  228.210755]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  228.214880] (UH) 
[  228.217205]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.221155] 0*1024kB 
[  228.223493]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  228.228930] 0*2048kB 
[  228.230991]  __run_timers+0x7e5/0xc70
[  228.235203] 0*4096kB 
[  228.237621]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  228.241820] = 13928kB
[  228.241834] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  228.244279]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  228.248066] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  228.250468]  ? graph_lock+0x170/0x170
[  228.255815] 412 total pagecache pages
[  228.258226]  ? enqueue_hrtimer+0x1a5/0x560
[  228.267049] 0 pages in swap cache
[  228.272052]  ? lock_release+0x970/0x970
[  228.280631] Swap cache stats: add 0, delete 0, find 0/0
[  228.284429]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  228.288201] Free swap  = 0kB
[  228.288210] Total swap = 0kB
[  228.292463]  ? find_held_lock+0x36/0x1c0
[  228.295896] 1965979 pages RAM
[  228.299863]  ? graph_lock+0x170/0x170
[  228.305203] 0 pages HighMem/MovableOnly
[  228.310390]  ? pvclock_read_flags+0x160/0x160
[  228.313381] 342744 pages reserved
[  228.313390] 0 pages cma reserved
[  228.316408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.320564] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  228.323554]  ? check_preemption_disabled+0x48/0x200
[  228.327463] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  228.331342]  ? __lock_is_held+0xb5/0x140
[  228.335836] syz-fuzzer cpuset=
[  228.339286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.342636] /
[  228.348172]  ? check_preemption_disabled+0x48/0x200
[  228.354649]  mems_allowed=0
[  228.359667]  run_timer_softirq+0x52/0xb0
[  228.396325]  ? rcu_read_lock_sched_held+0x108/0x120
[  228.401348]  __do_softirq+0x30b/0xad8
[  228.405174]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  228.410286]  ? pvclock_read_flags+0x160/0x160
[  228.414784]  ? lapic_next_event+0x5a/0x90
[  228.418957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.424507]  ? check_preemption_disabled+0x48/0x200
[  228.429534]  ? check_preemption_disabled+0x48/0x200
[  228.434579]  ? kvm_clock_read+0x18/0x30
[  228.438582]  ? kvm_sched_clock_read+0x9/0x20
[  228.443023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.448568]  ? check_preemption_disabled+0x48/0x200
[  228.453601]  irq_exit+0x17f/0x1c0
[  228.457061]  smp_apic_timer_interrupt+0x1cb/0x760
[  228.461905]  ? smp_reschedule_interrupt+0x109/0x650
[  228.466924]  ? smp_call_function_single_interrupt+0x650/0x650
[  228.472851]  ? interrupt_entry+0xb5/0xf0
[  228.476920]  ? trace_hardirqs_off_caller+0xbb/0x300
[  228.481936]  ? trace_hardirqs_off_caller+0xbb/0x300
[  228.486953]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  228.491830]  ? trace_hardirqs_off+0x300/0x300
[  228.496351]  ? trace_hardirqs_off+0x300/0x300
[  228.500944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.506488]  ? check_preemption_disabled+0x48/0x200
[  228.511521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.517072]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  228.521931]  apic_timer_interrupt+0xf/0x20
[  228.526160]  </IRQ>
[  228.528402] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  228.533336] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  228.552249] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  228.559983] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  228.567251] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  228.574527] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  228.581796] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  228.589065] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  228.596381]  skb_clone+0x1bb/0x500
[  228.599928]  ? finish_task_switch+0x2f5/0x900
[  228.604429]  ? skb_split+0x11e0/0x11e0
[  228.608327]  ? preempt_notifier_register+0x200/0x200
[  228.613452]  ? __switch_to_asm+0x34/0x70
[  228.617519]  ? __switch_to_asm+0x34/0x70
[  228.621591]  ? __switch_to_asm+0x40/0x70
[  228.625657]  ? __switch_to_asm+0x34/0x70
[  228.629719]  ? __switch_to_asm+0x40/0x70
[  228.633779]  ? __switch_to_asm+0x34/0x70
[  228.637846]  ? __switch_to_asm+0x40/0x70
[  228.641906]  ? __switch_to_asm+0x34/0x70
[  228.645978]  ? __switch_to_asm+0x34/0x70
[  228.650043]  ? __switch_to_asm+0x40/0x70
[  228.654117]  ? __switch_to_asm+0x34/0x70
[  228.658198]  bpf_clone_redirect+0xb9/0x490
[  228.662452]  ? __schedule+0x874/0x1ed0
[  228.666346]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  228.671375]  ? __sched_text_start+0x8/0x8
[  228.675534]  ? lockdep_hardirqs_on+0x421/0x5c0
[  228.680119]  ? retint_kernel+0x2d/0x2d
[  228.684014]  ? trace_hardirqs_on_caller+0xc0/0x300
[  228.688949]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  228.693711]  ? find_held_lock+0x36/0x1c0
[  228.697782]  ? lock_acquire+0x1ed/0x520
[  228.701768]  ? bpf_test_run+0x32e/0x5a0
[  228.705752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.711302]  ? check_preemption_disabled+0x48/0x200
[  228.716356]  ? kasan_check_read+0x11/0x20
[  228.720518]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  228.725809]  ? rcu_bh_qs+0xc0/0xc0
[  228.729354]  ? preempt_schedule+0x4d/0x60
[  228.733712]  ? ___preempt_schedule+0x16/0x18
[  228.738128]  ? bpf_test_run+0x1c0/0x5a0
[  228.742114]  ? netlink_diag_dump+0x2a0/0x2a0
[  228.748005]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.753553]  ? bpf_test_init.isra.9+0x70/0x100
[  228.758154]  ? bpf_prog_test_run_skb+0x634/0xb40
[  228.762924]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  228.767779]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  228.773326]  ? fput+0x130/0x1a0
[  228.776615]  ? __bpf_prog_get+0x9b/0x290
[  228.780686]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  228.785540]  ? bpf_prog_test_run+0x130/0x1a0
[  228.789974]  ? __x64_sys_bpf+0x3d8/0x510
[  228.794036]  ? bpf_prog_get+0x20/0x20
[  228.797875]  ? ksys_ioctl+0x81/0xd0
[  228.801550]  ? do_syscall_64+0x1b9/0x820
[  228.805615]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  228.810990]  ? syscall_return_slowpath+0x5e0/0x5e0
[  228.815929]  ? trace_hardirqs_off+0x300/0x300
[  228.820427]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  228.825448]  ? recalc_sigpending_tsk+0x180/0x180
[  228.830209]  ? kasan_check_write+0x14/0x20
[  228.834470]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  228.839350]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  228.844735] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  228.844831] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  228.851670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  228.851676] Call Trace:
[  228.851684]  <IRQ>
[  228.851700]  dump_stack+0x1c4/0x2b4
[  228.851718]  ? dump_stack_print_info.cold.2+0x52/0x52
[  228.858293] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  228.867552]  warn_alloc.cold.118+0xb7/0x1bd
[  228.870106] syz-executor4 cpuset=
[  228.872250]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  228.875854] syz4
[  228.881039]  ? lock_downgrade+0x900/0x900
[  228.891512]  mems_allowed=0
[  228.895831]  ? trace_hardirqs_off+0xb8/0x300
[  228.917621]  ? trace_hardirqs_off+0xb8/0x300
[  228.922046]  __alloc_pages_slowpath+0x2667/0x2d80
[  228.926937]  ? warn_alloc+0x120/0x120
[  228.930762]  ? trace_hardirqs_on+0x310/0x310
[  228.935175]  ? warn_alloc+0x120/0x120
[  228.938992]  ? print_usage_bug+0xc0/0xc0
[  228.943053]  ? warn_alloc+0x120/0x120
[  228.946854]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  228.951870]  ? print_usage_bug+0xc0/0xc0
[  228.955930]  ? __lock_acquire+0x7ec/0x4ec0
[  228.960170]  ? __lock_acquire+0x7ec/0x4ec0
[  228.964409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.969955]  ? should_fail+0x22d/0xd01
[  228.973843]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.978942]  ? __lock_acquire+0x7ec/0x4ec0
[  228.983185]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.988283]  ? __lock_acquire+0x7ec/0x4ec0
[  228.992580]  ? should_fail+0x22d/0xd01
[  228.996461]  ? print_usage_bug+0xc0/0xc0
[  229.000552]  ? mark_held_locks+0x130/0x130
[  229.004792]  ? mark_held_locks+0x130/0x130
[  229.009052]  ? graph_lock+0x170/0x170
[  229.012865]  ? print_usage_bug+0xc0/0xc0
[  229.016930]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  229.021688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.027230]  ? check_preemption_disabled+0x48/0x200
[  229.032246]  ? check_preemption_disabled+0x48/0x200
[  229.037280]  ? __lock_is_held+0xb5/0x140
[  229.041351]  __alloc_pages_nodemask+0xa80/0xde0
[  229.046018]  ? graph_lock+0x170/0x170
[  229.049835]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  229.054847]  ? graph_lock+0x170/0x170
[  229.058657]  ? find_held_lock+0x36/0x1c0
[  229.062726]  ? ____cache_alloc_node+0x1c7/0x1e0
[  229.067404]  ? lock_downgrade+0x900/0x900
[  229.071568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.077111]  cache_grow_begin+0x91/0x8c0
[  229.081170]  ? do_raw_spin_unlock+0xa7/0x2f0
[  229.085581]  fallback_alloc+0x203/0x2e0
[  229.089569]  ____cache_alloc_node+0x1c7/0x1e0
[  229.094130]  kmem_cache_alloc_node+0xe3/0x730
[  229.098628]  ? ipv6_get_ifaddr+0x42e/0x620
[  229.102902]  __alloc_skb+0x119/0x770
[  229.106617]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  229.111921]  ? skb_scrub_packet+0x490/0x490
[  229.116242]  ? lock_downgrade+0x900/0x900
[  229.120408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.125949]  ? refcount_sub_and_test_checked+0x203/0x310
[  229.131417]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  229.136870]  ? addrconf_rs_timer+0x6f0/0x6f0
[  229.141296]  ndisc_alloc_skb+0x144/0x340
[  229.145370]  ndisc_send_rs+0x331/0x6e0
[  229.149264]  addrconf_rs_timer+0x3c0/0x6f0
[  229.153542]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.157819]  call_timer_fn+0x272/0x920
[  229.161713]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.165962]  ? process_timeout+0x40/0x40
[  229.170046]  ? find_held_lock+0x36/0x1c0
[  229.174115]  ? mark_held_locks+0xc7/0x130
[  229.178264]  ? _raw_spin_unlock_irq+0x27/0x80
[  229.182759]  ? _raw_spin_unlock_irq+0x27/0x80
[  229.187251]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.191480]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  229.196073]  ? trace_hardirqs_on+0xbd/0x310
[  229.200394]  ? kasan_check_read+0x11/0x20
[  229.204541]  ? __run_timers+0x7da/0xc70
[  229.208525]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  229.214013]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.218253]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  229.222490]  __run_timers+0x7e5/0xc70
[  229.226322]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  229.231688]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  229.236712]  ? graph_lock+0x170/0x170
[  229.240524]  ? print_usage_bug+0xc0/0xc0
[  229.244585]  ? lock_release+0x970/0x970
[  229.248559]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  229.253777]  ? find_held_lock+0x36/0x1c0
[  229.257865]  ? graph_lock+0x170/0x170
[  229.261669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.267206]  ? check_preemption_disabled+0x48/0x200
[  229.272244]  ? __lock_is_held+0xb5/0x140
[  229.276324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.281884]  ? check_preemption_disabled+0x48/0x200
[  229.286908]  run_timer_softirq+0x52/0xb0
[  229.290974]  ? rcu_read_lock_sched_held+0x108/0x120
[  229.296009]  __do_softirq+0x30b/0xad8
[  229.299828]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  229.304941]  ? pvclock_read_flags+0x160/0x160
[  229.309438]  ? lapic_next_event+0x5a/0x90
[  229.313591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.319144]  ? check_preemption_disabled+0x48/0x200
[  229.324163]  ? check_preemption_disabled+0x48/0x200
[  229.329189]  ? kvm_clock_read+0x18/0x30
[  229.333166]  ? kvm_sched_clock_read+0x9/0x20
[  229.337590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.343127]  ? check_preemption_disabled+0x48/0x200
[  229.348155]  irq_exit+0x17f/0x1c0
[  229.351616]  smp_apic_timer_interrupt+0x1cb/0x760
[  229.356461]  ? smp_reschedule_interrupt+0x109/0x650
[  229.361486]  ? smp_call_function_single_interrupt+0x650/0x650
[  229.367404]  ? interrupt_entry+0xb5/0xf0
[  229.371464]  ? trace_hardirqs_off_caller+0xbb/0x300
[  229.376483]  ? trace_hardirqs_off_caller+0xbb/0x300
[  229.381527]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.386423]  ? trace_hardirqs_off+0x300/0x300
[  229.390919]  ? trace_hardirqs_off+0x300/0x300
[  229.395415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.400972]  ? check_preemption_disabled+0x48/0x200
[  229.406004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.411557]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.416423]  apic_timer_interrupt+0xf/0x20
[  229.420689]  </IRQ>
[  229.422940] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  229.428220] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  229.447131] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  229.454866] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  229.462133] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  229.469401] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  229.476670] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  229.483938] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  229.491245]  ? arch_local_irq_restore+0x45/0x52
[  229.495927]  dump_stack+0x26a/0x2b4
[  229.499578]  ? dump_stack_print_info.cold.2+0x52/0x52
[  229.504788]  ? mark_held_locks+0x130/0x130
[  229.509043]  ? mark_held_locks+0x130/0x130
[  229.513296]  dump_header+0x27b/0xf72
[  229.517030]  ? pagefault_out_of_memory+0x197/0x197
[  229.521969]  ? mark_held_locks+0x130/0x130
[  229.526210]  ? __lock_acquire+0x7ec/0x4ec0
[  229.530449]  ? mem_cgroup_charge_statistics+0x780/0x780
[  229.535818]  ? print_usage_bug+0xc0/0xc0
[  229.539882]  ? print_usage_bug+0xc0/0xc0
[  229.543957]  ? graph_lock+0x170/0x170
[  229.547757]  ? graph_lock+0x170/0x170
[  229.551574]  ? print_usage_bug+0xc0/0xc0
[  229.555640]  ? print_usage_bug+0xc0/0xc0
[  229.559712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.565260]  ? find_held_lock+0x36/0x1c0
[  229.569363]  ? mark_held_locks+0xc7/0x130
[  229.573525]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  229.578630]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  229.583748]  ? lockdep_hardirqs_on+0x421/0x5c0
[  229.588332]  ? trace_hardirqs_on+0xbd/0x310
[  229.592656]  ? kasan_check_read+0x11/0x20
[  229.596810]  ? ___ratelimit+0x36f/0x655
[  229.600786]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  229.606242]  ? trace_hardirqs_on+0x310/0x310
[  229.610651]  ? lock_downgrade+0x900/0x900
[  229.614808]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  229.619915]  ? ___ratelimit+0xaa/0x655
[  229.623808]  ? idr_get_free+0xec0/0xec0
[  229.627787]  ? kasan_check_write+0x14/0x20
[  229.632030]  ? do_raw_spin_lock+0xc1/0x200
[  229.636279]  oom_kill_process.cold.27+0x10/0x903
[  229.641042]  ? graph_lock+0x170/0x170
[  229.644846]  ? _raw_spin_unlock+0x2c/0x50
[  229.649015]  ? oom_badness+0xe6/0xaa0
[  229.652849]  ? oom_evaluate_task+0x540/0x540
[  229.657273]  ? find_held_lock+0x36/0x1c0
[  229.661354]  ? out_of_memory+0x974/0x14c0
[  229.665509]  ? lock_downgrade+0x900/0x900
[  229.669661]  ? check_preemption_disabled+0x48/0x200
[  229.674689]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  229.680501]  ? kasan_check_read+0x11/0x20
[  229.684653]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  229.689934]  ? rcu_bh_qs+0xc0/0xc0
[  229.693491]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  229.698531]  ? oom_evaluate_task+0x302/0x540
[  229.702946]  out_of_memory+0xa86/0x14c0
[  229.706934]  ? oom_killer_disable+0x3a0/0x3a0
[  229.711458]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  229.716423]  ? __mutex_add_waiter+0x2a0/0x2a0
[  229.720952]  __alloc_pages_slowpath+0x2318/0x2d80
[  229.725831]  ? warn_alloc+0x120/0x120
[  229.729638]  ? __radix_tree_lookup+0x4c0/0x4c0
[  229.734235]  ? find_get_entry+0x2f2/0xc40
[  229.738392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.743935]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  229.748881]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.754423]  ? should_fail+0x22d/0xd01
[  229.758322]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.763428]  ? __lock_is_held+0xb5/0x140
[  229.767525]  ? __lock_is_held+0xb5/0x140
[  229.771598]  ? find_held_lock+0x36/0x1c0
[  229.775668]  ? ___might_sleep+0x1ed/0x300
[  229.779823]  ? lock_release+0x970/0x970
[  229.783807]  ? arch_local_save_flags+0x40/0x40
[  229.788408]  ? __might_sleep+0x95/0x190
[  229.792389]  __alloc_pages_nodemask+0xa80/0xde0
[  229.797071]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  229.802096]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  229.807899]  ? kasan_check_read+0x11/0x20
[  229.812048]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  229.817343]  ? graph_lock+0x170/0x170
[  229.821149]  ? print_usage_bug+0xc0/0xc0
[  229.825224]  ? graph_lock+0x170/0x170
[  229.829053]  ? graph_lock+0x170/0x170
[  229.832858]  ? __do_page_cache_readahead+0x7ce/0x980
[  229.837967]  ? find_held_lock+0x36/0x1c0
[  229.842546]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  229.848091]  alloc_pages_current+0x10c/0x210
[  229.852539]  ? lock_downgrade+0x900/0x900
[  229.856694]  __page_cache_alloc+0x38f/0x5b0
[  229.861017]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  229.866819]  ? kasan_check_read+0x11/0x20
[  229.870974]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  229.876257]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  229.880936]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.886543]  ? check_preemption_disabled+0x48/0x200
[  229.891575]  filemap_fault+0x1594/0x25f0
[  229.895651]  ? __lock_page_or_retry+0xa00/0xa00
[  229.900346]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  229.906161]  ? kasan_check_read+0x11/0x20
[  229.910314]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  229.915597]  ? rcu_bh_qs+0xc0/0xc0
[  229.919146]  ? print_usage_bug+0xc0/0xc0
[  229.923214]  ? filemap_map_pages+0xdea/0x1980
[  229.927724]  ? print_usage_bug+0xc0/0xc0
[  229.931806]  ? find_get_pages_range_tag+0x1320/0x1320
[  229.937000]  ? print_usage_bug+0xc0/0xc0
[  229.941063]  ? __lock_acquire+0x7ec/0x4ec0
[  229.945307]  ? graph_lock+0x170/0x170
[  229.949112]  ? __sigqueue_free.part.27+0x7d/0xa0
[  229.953875]  ? __lock_acquire+0x7ec/0x4ec0
[  229.958129]  ? lock_acquire+0x1ed/0x520
[  229.962106]  ? ext4_filemap_fault+0x7a/0xad
[  229.966436]  ? lock_release+0x970/0x970
[  229.970414]  ? arch_local_save_flags+0x40/0x40
[  229.975001]  ? mark_held_locks+0x130/0x130
[  229.979278]  ? down_read+0xb0/0x1d0
[  229.982911]  ? ext4_filemap_fault+0x7a/0xad
[  229.987241]  ? __down_interruptible+0x700/0x700
[  229.991914]  ? graph_lock+0x170/0x170
[  229.995716]  ? __sigqueue_free.part.27+0x7d/0xa0
[  230.000506]  ext4_filemap_fault+0x82/0xad
[  230.004666]  __do_fault+0x100/0x6b0
[  230.008301]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  230.013580]  ? print_bad_pte+0x6c0/0x6c0
[  230.017647]  ? pmd_val+0x88/0x100
[  230.021100]  ? add_mm_counter_fast+0xd0/0xd0
[  230.025528]  ? pmd_val+0x88/0x100
[  230.028986]  ? add_mm_counter_fast+0xd0/0xd0
[  230.033405]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.038948]  __handle_mm_fault+0x3709/0x53e0
[  230.043379]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  230.048226]  ? graph_lock+0x170/0x170
[  230.052029]  ? print_usage_bug+0xc0/0xc0
[  230.056093]  ? graph_lock+0x170/0x170
[  230.059894]  ? graph_lock+0x170/0x170
[  230.063730]  ? handle_mm_fault+0x42a/0xc70
[  230.067969]  ? lock_downgrade+0x900/0x900
[  230.072125]  ? check_preemption_disabled+0x48/0x200
[  230.077149]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  230.082962]  ? kasan_check_read+0x11/0x20
[  230.087123]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  230.092423]  ? rcu_bh_qs+0xc0/0xc0
[  230.095974]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  230.101427]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.106969]  ? check_preemption_disabled+0x48/0x200
[  230.112009]  handle_mm_fault+0x54f/0xc70
[  230.116092]  ? __handle_mm_fault+0x53e0/0x53e0
[  230.120690]  ? find_vma+0x34/0x190
[  230.124240]  __do_page_fault+0x67d/0xed0
[  230.128318]  ? mm_fault_error+0x380/0x380
[  230.132478]  ? syscall_slow_exit_work+0x520/0x520
[  230.137336]  do_page_fault+0xf2/0x7e0
[  230.141140]  ? vmalloc_sync_all+0x30/0x30
[  230.145299]  ? error_entry+0x70/0xd0
[  230.149021]  ? trace_hardirqs_off_caller+0xbb/0x300
[  230.154041]  ? trace_hardirqs_on_caller+0xc0/0x300
[  230.158981]  ? syscall_return_slowpath+0x5e0/0x5e0
[  230.163911]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  230.168759]  ? trace_hardirqs_off+0x300/0x300
[  230.173256]  ? trace_hardirqs_off_caller+0x300/0x300
[  230.178372]  ? prepare_exit_to_usermode+0x291/0x3b0
[  230.183402]  ? page_fault+0x8/0x30
[  230.186962]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  230.191811]  ? page_fault+0x8/0x30
[  230.195358]  page_fault+0x1e/0x30
[  230.198814] RIP: 0033:0x45db60
[  230.202018] Code: Bad RIP value.
[  230.205383] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  230.210749] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  230.218021] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  230.225295] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  230.232586] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  230.239856] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  230.247161] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  230.247168] warn_alloc_show_mem: 1 callbacks suppressed
[  230.247175] Mem-Info:
[  230.254379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  230.259754] active_anon:41581 inactive_anon:372 isolated_anon:0
[  230.259754]  active_file:17 inactive_file:16 isolated_file:0
[  230.259754]  unevictable:0 dirty:0 writeback:0 unstable:0
[  230.259754]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  230.259754]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  230.259754]  free:13699 free_pcp:281 free_cma:0
[  230.262137] Call Trace:
[  230.271538] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  230.304419]  <IRQ>
[  230.307034] Node 0 
[  230.334643]  dump_stack+0x1c4/0x2b4
[  230.336829] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  230.339052]  ? dump_stack_print_info.cold.2+0x52/0x52
[  230.342657] lowmem_reserve[]:
[  230.368177]  warn_alloc.cold.118+0xb7/0x1bd
[  230.373339]  0
[  230.376444]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  230.380742]  2817
[  230.382543]  ? lock_downgrade+0x900/0x900
[  230.387356]  6321 6321
[  230.389453]  ? trace_hardirqs_off+0xb8/0x300
[  230.396074]  ? trace_hardirqs_off+0xb8/0x300
[  230.400457] Node 0 DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  230.404894]  __alloc_pages_slowpath+0x2667/0x2d80
[  230.404937]  ? warn_alloc+0x120/0x120
[  230.432482] lowmem_reserve[]: 0
[  230.437361]  ? trace_hardirqs_on+0x310/0x310
[  230.441133]  0
[  230.444421]  ? warn_alloc+0x120/0x120
[  230.448808]  3503
[  230.450633]  ? print_usage_bug+0xc0/0xc0
[  230.454406]  3503
[  230.456479]  ? warn_alloc+0x120/0x120
[  230.460540] Node 0 
[  230.462621]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  230.466427] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  230.468635]  ? print_usage_bug+0xc0/0xc0
[  230.473631] lowmem_reserve[]: 0
[  230.502076]  ? __lock_acquire+0x7ec/0x4ec0
[  230.506118]  0
[  230.509401]  ? __lock_acquire+0x7ec/0x4ec0
[  230.513609]  0 0
[  230.515423]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.519633] Node 0 
[  230.521623]  ? should_fail+0x22d/0xd01
[  230.527137] DMA: 
[  230.529372]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.533237] 1*4kB 
[  230.535300]  ? __lock_acquire+0x7ec/0x4ec0
[  230.535319]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.540407] (U) 
[  230.542560]  ? __lock_acquire+0x7ec/0x4ec0
[  230.546774] 0*8kB 
[  230.551883]  ? should_fail+0x22d/0xd01
[  230.553840] 0*16kB 
[  230.558071]  ? print_usage_bug+0xc0/0xc0
[  230.560200] 1*32kB 
[  230.564089]  ? mark_held_locks+0x130/0x130
[  230.566300] (U) 
[  230.570356]  ? mark_held_locks+0x130/0x130
[  230.572569] 2*64kB (U) 
[  230.576829]  ? graph_lock+0x170/0x170
[  230.578782] 1*128kB 
[  230.583037]  ? print_usage_bug+0xc0/0xc0
[  230.585598] (U) 
[  230.589406]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  230.591708] 1*256kB (U) 
[  230.595794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.597739] 0*512kB 
[  230.602521]  ? check_preemption_disabled+0x48/0x200
[  230.605166] 1*1024kB 
[  230.610701]  ? check_preemption_disabled+0x48/0x200
[  230.613003] (U) 
[  230.618019]  ? __lock_is_held+0xb5/0x140
[  230.620403] 1*2048kB 
[  230.625417]  __alloc_pages_nodemask+0xa80/0xde0
[  230.627377] (M) 
[  230.631429]  ? graph_lock+0x170/0x170
[  230.633819] 3*4096kB 
[  230.638490]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  230.640459] (M) 
[  230.644253]  ? graph_lock+0x170/0x170
[  230.646638] = 15908kB
[  230.646647] Node 0 
[  230.651667]  ? find_held_lock+0x36/0x1c0
[  230.653619] DMA32: 
[  230.657438]  ? ____cache_alloc_node+0x1c7/0x1e0
[  230.659819] 2*4kB 
[  230.662054]  ? lock_downgrade+0x900/0x900
[  230.666094] (M) 
[  230.668345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.672990] 1*8kB 
[  230.675143]  cache_grow_begin+0x91/0x8c0
[  230.679273] (U) 
[  230.681251]  ? do_raw_spin_unlock+0xa7/0x2f0
[  230.686767] 3*16kB 
[  230.688925]  fallback_alloc+0x203/0x2e0
[  230.692957] (M) 
[  230.694936]  ____cache_alloc_node+0x1c7/0x1e0
[  230.699320] 1*32kB (M) 
[  230.701569]  kmem_cache_alloc_node+0xe3/0x730
[  230.705527] 3*64kB 
[  230.707513]  ? ipv6_get_ifaddr+0x42e/0x620
[  230.711988] (UM) 3*128kB 
[  230.714586]  __alloc_skb+0x119/0x770
[  230.719049] (M) 
[  230.721317]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  230.725519] 3*256kB (UM) 
[  230.728287]  ? skb_scrub_packet+0x490/0x490
[  230.731985] 4*512kB 
[  230.734138]  ? lock_downgrade+0x900/0x900
[  230.739409] (UM) 
[  230.742190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.746481] 3*1024kB (M) 
[  230.748839]  ? refcount_sub_and_test_checked+0x203/0x310
[  230.752962] 1*2048kB 
[  230.755036]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  230.760554] (U) 
[  230.763325]  ? addrconf_rs_timer+0x6f0/0x6f0
[  230.768751] 4*4096kB 
[  230.771168]  ndisc_alloc_skb+0x144/0x340
[  230.776587] (M) 
[  230.778601]  ndisc_send_rs+0x331/0x6e0
[  230.782955] = 24992kB
[  230.785363]  addrconf_rs_timer+0x3c0/0x6f0
[  230.789411] Node 0 
[  230.791407]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.795265] Normal: 882*4kB 
[  230.797699]  call_timer_fn+0x272/0x920
[  230.801907] (UME) 
[  230.804145]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.808362] 426*8kB (MEH) 
[  230.811413]  ? process_timeout+0x40/0x40
[  230.815266] 175*16kB 
[  230.817416]  ? find_held_lock+0x36/0x1c0
[  230.821626] (UME) 
[  230.824473]  ? __run_timers+0x7da/0xc70
[  230.828537] 71*32kB 
[  230.830944]  ? _raw_spin_unlock_irq+0x27/0x80
[  230.834983] (UMEH) 
[  230.837162]  ? _raw_spin_unlock_irq+0x27/0x80
[  230.841125] 10*64kB 
[  230.843473]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.847943] (UMH) 
[  230.850213]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  230.854680] 2*128kB (H) 
[  230.857016]  ? trace_hardirqs_on+0xbd/0x310
[  230.861232] 0*256kB 
[  230.863379]  ? kasan_check_read+0x11/0x20
[  230.867935] 2*512kB 
[  230.870606]  ? __run_timers+0x7da/0xc70
[  230.874901] (UH) 
[  230.877247]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  230.881389] 0*1024kB 0*2048kB 
[  230.883726]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.887669] 0*4096kB = 13928kB
[  230.889758]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.895190] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  230.898377]  __run_timers+0x7e5/0xc70
[  230.902595] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  230.905798]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  230.910012] 412 total pagecache pages
[  230.918861]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  230.922644] 0 pages in swap cache
[  230.931214]  ? graph_lock+0x170/0x170
[  230.936556] Swap cache stats: add 0, delete 0, find 0/0
[  230.936565] Free swap  = 0kB
[  230.940391]  ? enqueue_hrtimer+0x1a5/0x560
[  230.945390] Total swap = 0kB
[  230.948851]  ? lock_release+0x970/0x970
[  230.952631] 1965979 pages RAM
[  230.957994]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  230.960984] 0 pages HighMem/MovableOnly
[  230.960994] 342744 pages reserved
[  230.965276]  ? find_held_lock+0x36/0x1c0
[  230.968291] 0 pages cma reserved
[  230.972274]  ? graph_lock+0x170/0x170
[  230.975447] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  230.980548]  ? pvclock_read_flags+0x160/0x160
[  230.984569] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  230.987954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.991991] syz-fuzzer cpuset=
[  230.995361]  ? check_preemption_disabled+0x48/0x200
[  230.999145] /
[  231.005655]  ? __lock_is_held+0xb5/0x140
[  231.010149]  mems_allowed=0
[  231.020367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.048333]  ? check_preemption_disabled+0x48/0x200
[  231.053364]  run_timer_softirq+0x52/0xb0
[  231.057427]  ? rcu_read_lock_sched_held+0x108/0x120
[  231.062456]  __do_softirq+0x30b/0xad8
[  231.066283]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  231.071397]  ? pvclock_read_flags+0x160/0x160
[  231.075921]  ? lapic_next_event+0x5a/0x90
[  231.080073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.085618]  ? check_preemption_disabled+0x48/0x200
[  231.090652]  ? check_preemption_disabled+0x48/0x200
[  231.095704]  ? kvm_clock_read+0x18/0x30
[  231.099678]  ? kvm_sched_clock_read+0x9/0x20
[  231.104093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.109640]  ? check_preemption_disabled+0x48/0x200
[  231.114679]  irq_exit+0x17f/0x1c0
[  231.118164]  smp_apic_timer_interrupt+0x1cb/0x760
[  231.123025]  ? smp_reschedule_interrupt+0x109/0x650
[  231.128043]  ? smp_call_function_single_interrupt+0x650/0x650
[  231.133932]  ? interrupt_entry+0xb5/0xf0
[  231.137998]  ? trace_hardirqs_off_caller+0xbb/0x300
[  231.143029]  ? trace_hardirqs_off_caller+0xbb/0x300
[  231.148059]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.152908]  ? trace_hardirqs_off+0x300/0x300
[  231.157404]  ? trace_hardirqs_off+0x300/0x300
[  231.161907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.167452]  ? check_preemption_disabled+0x48/0x200
[  231.172469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.178031]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.182888]  apic_timer_interrupt+0xf/0x20
[  231.187123]  </IRQ>
[  231.189367] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  231.194302] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  231.213237] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  231.220979] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  231.228246] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  231.235521] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  231.242798] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  231.250068] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  231.257400]  skb_clone+0x1bb/0x500
[  231.260947]  ? finish_task_switch+0x2f5/0x900
[  231.265446]  ? skb_split+0x11e0/0x11e0
[  231.269341]  ? preempt_notifier_register+0x200/0x200
[  231.274447]  ? __switch_to_asm+0x34/0x70
[  231.278517]  ? __switch_to_asm+0x34/0x70
[  231.282578]  ? __switch_to_asm+0x40/0x70
[  231.286641]  ? __switch_to_asm+0x34/0x70
[  231.290705]  ? __switch_to_asm+0x40/0x70
[  231.294766]  ? __switch_to_asm+0x34/0x70
[  231.298833]  ? __switch_to_asm+0x40/0x70
[  231.302896]  ? __switch_to_asm+0x34/0x70
[  231.306962]  ? __switch_to_asm+0x34/0x70
[  231.311022]  ? __switch_to_asm+0x40/0x70
[  231.315087]  ? __switch_to_asm+0x34/0x70
[  231.319162]  bpf_clone_redirect+0xb9/0x490
[  231.323399]  ? __schedule+0x874/0x1ed0
[  231.327291]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  231.332340]  ? __sched_text_start+0x8/0x8
[  231.336502]  ? lockdep_hardirqs_on+0x421/0x5c0
[  231.341099]  ? retint_kernel+0x2d/0x2d
[  231.344988]  ? trace_hardirqs_on_caller+0xc0/0x300
[  231.349920]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  231.354685]  ? find_held_lock+0x36/0x1c0
[  231.358755]  ? lock_acquire+0x1ed/0x520
[  231.362741]  ? bpf_test_run+0x32e/0x5a0
[  231.366719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.372264]  ? check_preemption_disabled+0x48/0x200
[  231.377291]  ? kasan_check_read+0x11/0x20
[  231.381447]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  231.386725]  ? rcu_bh_qs+0xc0/0xc0
[  231.390281]  ? preempt_schedule+0x4d/0x60
[  231.394434]  ? ___preempt_schedule+0x16/0x18
[  231.398882]  ? bpf_test_run+0x1c0/0x5a0
[  231.402885]  ? netlink_diag_dump+0x2a0/0x2a0
[  231.407300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.412850]  ? bpf_test_init.isra.9+0x70/0x100
[  231.417443]  ? bpf_prog_test_run_skb+0x634/0xb40
[  231.422210]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  231.427062]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  231.432600]  ? fput+0x130/0x1a0
[  231.435882]  ? __bpf_prog_get+0x9b/0x290
[  231.439958]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  231.444824]  ? bpf_prog_test_run+0x130/0x1a0
[  231.449237]  ? __x64_sys_bpf+0x3d8/0x510
[  231.453309]  ? bpf_prog_get+0x20/0x20
[  231.457125]  ? ksys_ioctl+0x81/0xd0
[  231.460766]  ? do_syscall_64+0x1b9/0x820
[  231.464838]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  231.470213]  ? syscall_return_slowpath+0x5e0/0x5e0
[  231.475156]  ? trace_hardirqs_off+0x300/0x300
[  231.479659]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  231.484684]  ? recalc_sigpending_tsk+0x180/0x180
[  231.489451]  ? kasan_check_write+0x14/0x20
[  231.493694]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.498550]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  231.503939] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  231.504026] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  231.510879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  231.510885] Call Trace:
[  231.510892]  <IRQ>
[  231.510910]  dump_stack+0x1c4/0x2b4
[  231.510931]  ? dump_stack_print_info.cold.2+0x52/0x52
[  231.517526] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  231.526779]  warn_alloc.cold.118+0xb7/0x1bd
[  231.529338] syz-executor4 cpuset=
[  231.531486]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  231.535099] syz4
[  231.540296]  ? lock_downgrade+0x900/0x900
[  231.550752]  mems_allowed=0
[  231.572390]  ? trace_hardirqs_off+0xb8/0x300
[  231.576825]  ? trace_hardirqs_off+0xb8/0x300
[  231.581249]  __alloc_pages_slowpath+0x2667/0x2d80
[  231.586155]  ? warn_alloc+0x120/0x120
[  231.589960]  ? warn_alloc+0x120/0x120
[  231.593782]  ? print_usage_bug+0xc0/0xc0
[  231.597869]  ? warn_alloc+0x120/0x120
[  231.601673]  ? print_usage_bug+0xc0/0xc0
[  231.605740]  ? __lock_acquire+0x7ec/0x4ec0
[  231.609999]  ? __lock_acquire+0x7ec/0x4ec0
[  231.614253]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.619800]  ? should_fail+0x22d/0xd01
[  231.623694]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.628803]  ? __lock_acquire+0x7ec/0x4ec0
[  231.633050]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.638151]  ? __lock_acquire+0x7ec/0x4ec0
[  231.642385]  ? should_fail+0x22d/0xd01
[  231.646291]  ? mark_held_locks+0x130/0x130
[  231.650533]  ? mark_held_locks+0x130/0x130
[  231.654768]  ? graph_lock+0x170/0x170
[  231.658570]  ? graph_lock+0x170/0x170
[  231.662374]  ? graph_lock+0x170/0x170
[  231.666194]  ? print_usage_bug+0xc0/0xc0
[  231.670256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.675803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.681362]  ? check_preemption_disabled+0x48/0x200
[  231.686380]  ? check_preemption_disabled+0x48/0x200
[  231.691412]  ? __lock_is_held+0xb5/0x140
[  231.695483]  __alloc_pages_nodemask+0xa80/0xde0
[  231.700172]  ? graph_lock+0x170/0x170
[  231.703981]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  231.709032]  ? graph_lock+0x170/0x170
[  231.712849]  ? find_held_lock+0x36/0x1c0
[  231.716936]  ? ____cache_alloc_node+0x1c7/0x1e0
[  231.721621]  ? lock_downgrade+0x900/0x900
[  231.725789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.731336]  cache_grow_begin+0x91/0x8c0
[  231.735407]  ? do_raw_spin_unlock+0xa7/0x2f0
[  231.739835]  fallback_alloc+0x203/0x2e0
[  231.743833]  ____cache_alloc_node+0x1c7/0x1e0
[  231.748336]  kmem_cache_alloc_node+0xe3/0x730
[  231.752841]  ? ipv6_get_ifaddr+0x42e/0x620
[  231.757088]  __alloc_skb+0x119/0x770
[  231.760823]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  231.766112]  ? skb_scrub_packet+0x490/0x490
[  231.770446]  ? lock_downgrade+0x900/0x900
[  231.774643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.780187]  ? refcount_sub_and_test_checked+0x203/0x310
[  231.785647]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  231.791102]  ? addrconf_rs_timer+0x6f0/0x6f0
[  231.795544]  ndisc_alloc_skb+0x144/0x340
[  231.799625]  ndisc_send_rs+0x331/0x6e0
[  231.803555]  addrconf_rs_timer+0x3c0/0x6f0
[  231.807798]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.812054]  call_timer_fn+0x272/0x920
[  231.815958]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.820219]  ? process_timeout+0x40/0x40
[  231.824302]  ? find_held_lock+0x36/0x1c0
[  231.828372]  ? mark_held_locks+0xc7/0x130
[  231.832536]  ? _raw_spin_unlock_irq+0x27/0x80
[  231.837032]  ? _raw_spin_unlock_irq+0x27/0x80
[  231.842013]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.846264]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  231.850856]  ? trace_hardirqs_on+0xbd/0x310
[  231.855187]  ? kasan_check_read+0x11/0x20
[  231.859340]  ? __run_timers+0x7da/0xc70
[  231.863321]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  231.868797]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.873082]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  231.877323]  __run_timers+0x7e5/0xc70
[  231.881141]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  231.886518]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  231.891542]  ? graph_lock+0x170/0x170
[  231.895346]  ? print_usage_bug+0xc0/0xc0
[  231.899407]  ? lock_release+0x970/0x970
[  231.903399]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  231.908601]  ? find_held_lock+0x36/0x1c0
[  231.912670]  ? graph_lock+0x170/0x170
[  231.916499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.922044]  ? check_preemption_disabled+0x48/0x200
[  231.927074]  ? __lock_is_held+0xb5/0x140
[  231.931146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.936689]  ? check_preemption_disabled+0x48/0x200
[  231.941720]  run_timer_softirq+0x52/0xb0
[  231.945783]  ? rcu_read_lock_sched_held+0x108/0x120
[  231.950804]  __do_softirq+0x30b/0xad8
[  231.954616]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  231.959729]  ? pvclock_read_flags+0x160/0x160
[  231.964225]  ? lapic_next_event+0x5a/0x90
[  231.968385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.973927]  ? check_preemption_disabled+0x48/0x200
[  231.978947]  ? check_preemption_disabled+0x48/0x200
[  231.984003]  ? kvm_clock_read+0x18/0x30
[  231.987978]  ? kvm_sched_clock_read+0x9/0x20
[  231.992395]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.997958]  ? check_preemption_disabled+0x48/0x200
[  232.002991]  irq_exit+0x17f/0x1c0
[  232.006471]  smp_apic_timer_interrupt+0x1cb/0x760
[  232.011328]  ? smp_reschedule_interrupt+0x109/0x650
[  232.016370]  ? smp_call_function_single_interrupt+0x650/0x650
[  232.022257]  ? interrupt_entry+0xb5/0xf0
[  232.026328]  ? trace_hardirqs_off_caller+0xbb/0x300
[  232.031343]  ? trace_hardirqs_off_caller+0xbb/0x300
[  232.036368]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.041213]  ? trace_hardirqs_off+0x300/0x300
[  232.045717]  ? trace_hardirqs_off+0x300/0x300
[  232.050223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.055786]  ? check_preemption_disabled+0x48/0x200
[  232.060817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.066369]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.071231]  apic_timer_interrupt+0xf/0x20
[  232.075461]  </IRQ>
[  232.077711] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  232.082996] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  232.101903] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  232.109630] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  232.116909] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  232.124181] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  232.131449] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  232.138720] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  232.146030]  ? arch_local_irq_restore+0x45/0x52
[  232.150714]  dump_stack+0x26a/0x2b4
[  232.154350]  ? dump_stack_print_info.cold.2+0x52/0x52
[  232.159552]  ? mark_held_locks+0x130/0x130
[  232.163793]  ? mark_held_locks+0x130/0x130
[  232.168037]  dump_header+0x27b/0xf72
[  232.171768]  ? pagefault_out_of_memory+0x197/0x197
[  232.176706]  ? mark_held_locks+0x130/0x130
[  232.180942]  ? __lock_acquire+0x7ec/0x4ec0
[  232.185184]  ? mem_cgroup_charge_statistics+0x780/0x780
[  232.190564]  ? print_usage_bug+0xc0/0xc0
[  232.194626]  ? print_usage_bug+0xc0/0xc0
[  232.198697]  ? graph_lock+0x170/0x170
[  232.202531]  ? graph_lock+0x170/0x170
[  232.206356]  ? print_usage_bug+0xc0/0xc0
[  232.210426]  ? print_usage_bug+0xc0/0xc0
[  232.214542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.220090]  ? find_held_lock+0x36/0x1c0
[  232.224162]  ? mark_held_locks+0xc7/0x130
[  232.228317]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  232.233432]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  232.238568]  ? lockdep_hardirqs_on+0x421/0x5c0
[  232.243154]  ? trace_hardirqs_on+0xbd/0x310
[  232.247484]  ? kasan_check_read+0x11/0x20
[  232.251650]  ? ___ratelimit+0x36f/0x655
[  232.255663]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  232.261118]  ? trace_hardirqs_on+0x310/0x310
[  232.265535]  ? lock_downgrade+0x900/0x900
[  232.269704]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  232.274810]  ? ___ratelimit+0xaa/0x655
[  232.278701]  ? idr_get_free+0xec0/0xec0
[  232.282679]  ? kasan_check_write+0x14/0x20
[  232.286918]  ? do_raw_spin_lock+0xc1/0x200
[  232.291164]  oom_kill_process.cold.27+0x10/0x903
[  232.295925]  ? graph_lock+0x170/0x170
[  232.299729]  ? _raw_spin_unlock+0x2c/0x50
[  232.303882]  ? oom_badness+0xe6/0xaa0
[  232.307691]  ? oom_evaluate_task+0x540/0x540
[  232.312106]  ? find_held_lock+0x36/0x1c0
[  232.316176]  ? out_of_memory+0x974/0x14c0
[  232.320328]  ? lock_downgrade+0x900/0x900
[  232.324483]  ? check_preemption_disabled+0x48/0x200
[  232.329543]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  232.335346]  ? kasan_check_read+0x11/0x20
[  232.339505]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  232.344810]  ? rcu_bh_qs+0xc0/0xc0
[  232.348371]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  232.353406]  ? oom_evaluate_task+0x302/0x540
[  232.357821]  out_of_memory+0xa86/0x14c0
[  232.361814]  ? oom_killer_disable+0x3a0/0x3a0
[  232.366321]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  232.371291]  ? __mutex_add_waiter+0x2a0/0x2a0
[  232.375807]  __alloc_pages_slowpath+0x2318/0x2d80
[  232.380687]  ? warn_alloc+0x120/0x120
[  232.384503]  ? __radix_tree_lookup+0x4c0/0x4c0
[  232.389133]  ? find_get_entry+0x2f2/0xc40
[  232.393323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.398865]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  232.403796]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.409341]  ? should_fail+0x22d/0xd01
[  232.413233]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.418343]  ? __lock_is_held+0xb5/0x140
[  232.422437]  ? __lock_is_held+0xb5/0x140
[  232.426517]  ? find_held_lock+0x36/0x1c0
[  232.430586]  ? ___might_sleep+0x1ed/0x300
[  232.434736]  ? lock_release+0x970/0x970
[  232.438714]  ? arch_local_save_flags+0x40/0x40
[  232.443343]  ? __might_sleep+0x95/0x190
[  232.447353]  __alloc_pages_nodemask+0xa80/0xde0
[  232.452035]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  232.457056]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  232.462892]  ? kasan_check_read+0x11/0x20
[  232.467071]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  232.472357]  ? graph_lock+0x170/0x170
[  232.476163]  ? print_usage_bug+0xc0/0xc0
[  232.480233]  ? graph_lock+0x170/0x170
[  232.484031]  ? graph_lock+0x170/0x170
[  232.487835]  ? __do_page_cache_readahead+0x7ce/0x980
[  232.492944]  ? find_held_lock+0x36/0x1c0
[  232.497024]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  232.502581]  alloc_pages_current+0x10c/0x210
[  232.507005]  ? lock_downgrade+0x900/0x900
[  232.511163]  __page_cache_alloc+0x38f/0x5b0
[  232.515499]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  232.521312]  ? kasan_check_read+0x11/0x20
[  232.525468]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  232.530779]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  232.535463]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.541024]  ? check_preemption_disabled+0x48/0x200
[  232.546056]  filemap_fault+0x1594/0x25f0
[  232.550135]  ? __lock_page_or_retry+0xa00/0xa00
[  232.554807]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  232.560613]  ? kasan_check_read+0x11/0x20
[  232.564769]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  232.570050]  ? rcu_bh_qs+0xc0/0xc0
[  232.573598]  ? print_usage_bug+0xc0/0xc0
[  232.577674]  ? filemap_map_pages+0xdea/0x1980
[  232.582179]  ? print_usage_bug+0xc0/0xc0
[  232.586257]  ? find_get_pages_range_tag+0x1320/0x1320
[  232.591468]  ? print_usage_bug+0xc0/0xc0
[  232.595539]  ? __lock_acquire+0x7ec/0x4ec0
[  232.599776]  ? graph_lock+0x170/0x170
[  232.603586]  ? __sigqueue_free.part.27+0x7d/0xa0
[  232.608352]  ? __lock_acquire+0x7ec/0x4ec0
[  232.612606]  ? lock_acquire+0x1ed/0x520
[  232.616581]  ? ext4_filemap_fault+0x7a/0xad
[  232.620933]  ? lock_release+0x970/0x970
[  232.624914]  ? arch_local_save_flags+0x40/0x40
[  232.629512]  ? mark_held_locks+0x130/0x130
[  232.633764]  ? down_read+0xb0/0x1d0
[  232.637395]  ? ext4_filemap_fault+0x7a/0xad
[  232.641724]  ? __down_interruptible+0x700/0x700
[  232.646399]  ? graph_lock+0x170/0x170
[  232.650228]  ? __sigqueue_free.part.27+0x7d/0xa0
[  232.655033]  ext4_filemap_fault+0x82/0xad
[  232.659231]  __do_fault+0x100/0x6b0
[  232.662861]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  232.668143]  ? print_bad_pte+0x6c0/0x6c0
[  232.672212]  ? pmd_val+0x88/0x100
[  232.675684]  ? add_mm_counter_fast+0xd0/0xd0
[  232.680102]  ? pmd_val+0x88/0x100
[  232.683563]  ? add_mm_counter_fast+0xd0/0xd0
[  232.687982]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.693559]  __handle_mm_fault+0x3709/0x53e0
[  232.698000]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  232.702850]  ? graph_lock+0x170/0x170
[  232.706656]  ? print_usage_bug+0xc0/0xc0
[  232.710737]  ? graph_lock+0x170/0x170
[  232.714569]  ? graph_lock+0x170/0x170
[  232.718390]  ? handle_mm_fault+0x42a/0xc70
[  232.722626]  ? lock_downgrade+0x900/0x900
[  232.726778]  ? check_preemption_disabled+0x48/0x200
[  232.731817]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  232.737874]  ? kasan_check_read+0x11/0x20
[  232.742026]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  232.747328]  ? rcu_bh_qs+0xc0/0xc0
[  232.750898]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  232.756367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.761914]  ? check_preemption_disabled+0x48/0x200
[  232.766944]  handle_mm_fault+0x54f/0xc70
[  232.771035]  ? __handle_mm_fault+0x53e0/0x53e0
[  232.775621]  ? find_vma+0x34/0x190
[  232.779184]  __do_page_fault+0x67d/0xed0
[  232.783287]  ? mm_fault_error+0x380/0x380
[  232.787442]  ? syscall_slow_exit_work+0x520/0x520
[  232.792297]  do_page_fault+0xf2/0x7e0
[  232.796101]  ? vmalloc_sync_all+0x30/0x30
[  232.800276]  ? error_entry+0x70/0xd0
[  232.804007]  ? trace_hardirqs_off_caller+0xbb/0x300
[  232.809026]  ? trace_hardirqs_on_caller+0xc0/0x300
[  232.813960]  ? syscall_return_slowpath+0x5e0/0x5e0
[  232.818889]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.823736]  ? trace_hardirqs_off+0x300/0x300
[  232.828235]  ? trace_hardirqs_off_caller+0x300/0x300
[  232.833349]  ? prepare_exit_to_usermode+0x291/0x3b0
[  232.838372]  ? page_fault+0x8/0x30
[  232.841918]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.846770]  ? page_fault+0x8/0x30
[  232.850318]  page_fault+0x1e/0x30
[  232.853808] RIP: 0033:0x45db60
[  232.857019] Code: Bad RIP value.
[  232.860378] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  232.865742] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  232.873008] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  232.880274] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  232.887548] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  232.894817] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  232.902122] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  232.902129] warn_alloc_show_mem: 1 callbacks suppressed
[  232.902136] Mem-Info:
[  232.909331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  232.914700] active_anon:41581 inactive_anon:372 isolated_anon:0
[  232.914700]  active_file:17 inactive_file:16 isolated_file:0
[  232.914700]  unevictable:0 dirty:0 writeback:0 unstable:0
[  232.914700]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  232.914700]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  232.914700]  free:13699 free_pcp:281 free_cma:0
[  232.917076] Call Trace:
[  232.926473] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  232.959337]  <IRQ>
[  232.961919] Node 0 
[  232.989526]  dump_stack+0x1c4/0x2b4
[  232.991683] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  232.993904]  ? dump_stack_print_info.cold.2+0x52/0x52
[  232.997507] lowmem_reserve[]: 0
[  233.023029]  warn_alloc.cold.118+0xb7/0x1bd
[  233.028188]  2817
[  233.031458]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  233.035747]  6321 6321
[  233.037819]  ? lock_downgrade+0x900/0x900
[  233.045126]  ? trace_hardirqs_off+0xb8/0x300
[  233.049254] Node 0 DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  233.053684]  ? trace_hardirqs_off+0xb8/0x300
[  233.053706]  __alloc_pages_slowpath+0x2667/0x2d80
[  233.081268] lowmem_reserve[]: 0
[  233.085759]  ? warn_alloc+0x120/0x120
[  233.090557]  0
[  233.093846]  ? trace_hardirqs_on+0x310/0x310
[  233.097616]  3503 3503
[  233.099427]  ? warn_alloc+0x120/0x120
[  233.103846] Node 0 
[  233.106343]  ? print_usage_bug+0xc0/0xc0
[  233.110145] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  233.112362]  ? warn_alloc+0x120/0x120
[  233.116401] lowmem_reserve[]:
[  233.144830]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  233.148602]  0
[  233.151704]  ? print_usage_bug+0xc0/0xc0
[  233.156692]  0 0
[  233.158510]  ? __lock_acquire+0x7ec/0x4ec0
[  233.162552]  0
[  233.164526]  ? __lock_acquire+0x7ec/0x4ec0
[  233.170536]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.174744] Node 0 
[  233.180274]  ? should_fail+0x22d/0xd01
[  233.180287] DMA: 
[  233.182522]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.186387] 1*4kB 
[  233.188455]  ? __lock_acquire+0x7ec/0x4ec0
[  233.193547] (U) 
[  233.195695]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.199920] 0*8kB 
[  233.201889]  ? __lock_acquire+0x7ec/0x4ec0
[  233.206978] 0*16kB 1*32kB 
[  233.209142]  ? should_fail+0x22d/0xd01
[  233.213347] (U) 
[  233.216213]  ? print_usage_bug+0xc0/0xc0
[  233.220070] 2*64kB (U) 
[  233.222057]  ? mark_held_locks+0x130/0x130
[  233.226094] 1*128kB 
[  233.228674]  ? mark_held_locks+0x130/0x130
[  233.232919] (U) 
[  233.235280]  ? graph_lock+0x170/0x170
[  233.239507] 1*256kB (U) 
[  233.241502]  ? print_usage_bug+0xc0/0xc0
[  233.245291] 0*512kB 
[  233.248006]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  233.252048] 1*1024kB (U) 
[  233.254374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.259104] 1*2048kB 
[  233.261866]  ? check_preemption_disabled+0x48/0x200
[  233.267378] (M) 
[  233.269795]  ? check_preemption_disabled+0x48/0x200
[  233.274777] 3*4096kB (M) 
[  233.276787]  ? __lock_is_held+0xb5/0x140
[  233.281771] = 15908kB
[  233.284549]  __alloc_pages_nodemask+0xa80/0xde0
[  233.288606] Node 0 
[  233.291017]  ? graph_lock+0x170/0x170
[  233.295666] DMA32: 
[  233.297900]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  233.301677] 2*4kB 
[  233.303908]  ? graph_lock+0x170/0x170
[  233.308900] (M) 
[  233.311056]  ? find_held_lock+0x36/0x1c0
[  233.314828] 1*8kB 
[  233.316811]  ? ____cache_alloc_node+0x1c7/0x1e0
[  233.320837] (U) 
[  233.322986]  ? lock_downgrade+0x900/0x900
[  233.327629] 3*16kB (M) 
[  233.329614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.333754] 1*32kB (M) 
[  233.336355]  cache_grow_begin+0x91/0x8c0
[  233.341873] 3*64kB (UM) 
[  233.344467]  ? do_raw_spin_unlock+0xa7/0x2f0
[  233.348504] 3*128kB (M) 
[  233.351191]  fallback_alloc+0x203/0x2e0
[  233.355569] 3*256kB (UM) 
[  233.358254]  ____cache_alloc_node+0x1c7/0x1e0
[  233.362202] 4*512kB 
[  233.364962]  kmem_cache_alloc_node+0xe3/0x730
[  233.369435] (UM) 
[  233.371761]  ? ipv6_get_ifaddr+0x42e/0x620
[  233.376231] 3*1024kB 
[  233.378302]  __alloc_skb+0x119/0x770
[  233.382523] (M) 
[  233.384936]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  233.388624] 1*2048kB 
[  233.390595]  ? skb_scrub_packet+0x490/0x490
[  233.395852] (U) 
[  233.398262]  ? lock_downgrade+0x900/0x900
[  233.402566] 4*4096kB 
[  233.404543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.408662] (M) 
[  233.411072]  ? refcount_sub_and_test_checked+0x203/0x310
[  233.416581] = 24992kB
[  233.416590] Node 0 
[  233.418586]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  233.423993] Normal: 882*4kB 
[  233.426418]  ? addrconf_rs_timer+0x6f0/0x6f0
[  233.428633] (UME) 
[  233.434138]  ndisc_alloc_skb+0x144/0x340
[  233.437101] 426*8kB 
[  233.441524]  ndisc_send_rs+0x331/0x6e0
[  233.443676] (MEH) 
[  233.447746]  addrconf_rs_timer+0x3c0/0x6f0
[  233.450043] 175*16kB (UME) 
[  233.453940]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.456067] 71*32kB (UMEH) 
[  233.460326]  call_timer_fn+0x272/0x920
[  233.463222] 10*64kB (UMH) 
[  233.467470]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.470392] 2*128kB (H) 
[  233.474283]  ? process_timeout+0x40/0x40
[  233.477105] 0*256kB 2*512kB 
[  233.481346]  ? find_held_lock+0x36/0x1c0
[  233.483995] (UH) 
[  233.488061]  ? __run_timers+0x7da/0xc70
[  233.491048] 0*1024kB 0*2048kB 
[  233.495119]  ? _raw_spin_unlock_irq+0x27/0x80
[  233.497158] 0*4096kB = 13928kB
[  233.501138]  ? _raw_spin_unlock_irq+0x27/0x80
[  233.504330] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  233.508821]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.511995] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  233.516483]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  233.525334] 412 total pagecache pages
[  233.529579]  ? trace_hardirqs_on+0xbd/0x310
[  233.538137] 0 pages in swap cache
[  233.542735]  ? kasan_check_read+0x11/0x20
[  233.546516] Swap cache stats: add 0, delete 0, find 0/0
[  233.550832]  ? __run_timers+0x7da/0xc70
[  233.554263] Free swap  = 0kB
[  233.558406]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  233.563741] Total swap = 0kB
[  233.563750] 1965979 pages RAM
[  233.567737]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.570728] 0 pages HighMem/MovableOnly
[  233.570737] 342744 pages reserved
[  233.576199]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  233.579195] 0 pages cma reserved
[  233.579330] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  233.582318]  __run_timers+0x7e5/0xc70
[  233.586638] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  233.590526]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  233.593953] syz-fuzzer cpuset=
[  233.598185]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  233.601530] /
[  233.608021]  ? graph_lock+0x170/0x170
[  233.611808]  mems_allowed=0
[  233.622030]  ? enqueue_hrtimer+0x1a5/0x560
[  233.648309]  ? lock_release+0x970/0x970
[  233.652293]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  233.657511]  ? find_held_lock+0x36/0x1c0
[  233.661581]  ? graph_lock+0x170/0x170
[  233.665383]  ? pvclock_read_flags+0x160/0x160
[  233.669892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.675452]  ? check_preemption_disabled+0x48/0x200
[  233.680480]  ? __lock_is_held+0xb5/0x140
[  233.684555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.690093]  ? check_preemption_disabled+0x48/0x200
[  233.695124]  run_timer_softirq+0x52/0xb0
[  233.699187]  ? rcu_read_lock_sched_held+0x108/0x120
[  233.704208]  __do_softirq+0x30b/0xad8
[  233.708024]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  233.713135]  ? pvclock_read_flags+0x160/0x160
[  233.717631]  ? lapic_next_event+0x5a/0x90
[  233.721792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.727337]  ? check_preemption_disabled+0x48/0x200
[  233.732369]  ? check_preemption_disabled+0x48/0x200
[  233.737397]  ? kvm_clock_read+0x18/0x30
[  233.741375]  ? kvm_sched_clock_read+0x9/0x20
[  233.745798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.751344]  ? check_preemption_disabled+0x48/0x200
[  233.756380]  irq_exit+0x17f/0x1c0
[  233.759840]  smp_apic_timer_interrupt+0x1cb/0x760
[  233.764696]  ? smp_reschedule_interrupt+0x109/0x650
[  233.769736]  ? smp_call_function_single_interrupt+0x650/0x650
[  233.775623]  ? interrupt_entry+0xb5/0xf0
[  233.779694]  ? trace_hardirqs_off_caller+0xbb/0x300
[  233.784716]  ? trace_hardirqs_off_caller+0xbb/0x300
[  233.789735]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.794579]  ? trace_hardirqs_off+0x300/0x300
[  233.799076]  ? trace_hardirqs_off+0x300/0x300
[  233.803576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.809117]  ? check_preemption_disabled+0x48/0x200
[  233.814142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.819709]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.824565]  apic_timer_interrupt+0xf/0x20
[  233.828812]  </IRQ>
[  233.831069] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  233.836001] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  233.855088] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  233.862811] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  233.870079] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  233.877345] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  233.884617] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  233.891900] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  233.899222]  skb_clone+0x1bb/0x500
[  233.902799]  ? finish_task_switch+0x2f5/0x900
[  233.907297]  ? skb_split+0x11e0/0x11e0
[  233.911189]  ? preempt_notifier_register+0x200/0x200
[  233.916295]  ? __switch_to_asm+0x34/0x70
[  233.920386]  ? __switch_to_asm+0x34/0x70
[  233.924455]  ? __switch_to_asm+0x40/0x70
[  233.928526]  ? __switch_to_asm+0x34/0x70
[  233.932601]  ? __switch_to_asm+0x40/0x70
[  233.936659]  ? __switch_to_asm+0x34/0x70
[  233.940730]  ? __switch_to_asm+0x40/0x70
[  233.944800]  ? __switch_to_asm+0x34/0x70
[  233.948893]  ? __switch_to_asm+0x34/0x70
[  233.952952]  ? __switch_to_asm+0x40/0x70
[  233.957015]  ? __switch_to_asm+0x34/0x70
[  233.961105]  bpf_clone_redirect+0xb9/0x490
[  233.965345]  ? __schedule+0x874/0x1ed0
[  233.969239]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  233.974258]  ? __sched_text_start+0x8/0x8
[  233.978412]  ? lockdep_hardirqs_on+0x421/0x5c0
[  233.982998]  ? retint_kernel+0x2d/0x2d
[  233.986891]  ? trace_hardirqs_on_caller+0xc0/0x300
[  233.991840]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  233.996620]  ? find_held_lock+0x36/0x1c0
[  234.000689]  ? lock_acquire+0x1ed/0x520
[  234.004663]  ? bpf_test_run+0x32e/0x5a0
[  234.008667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.014209]  ? check_preemption_disabled+0x48/0x200
[  234.019249]  ? kasan_check_read+0x11/0x20
[  234.023410]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  234.028686]  ? rcu_bh_qs+0xc0/0xc0
[  234.032230]  ? preempt_schedule+0x4d/0x60
[  234.036380]  ? ___preempt_schedule+0x16/0x18
[  234.040809]  ? bpf_test_run+0x1c0/0x5a0
[  234.044797]  ? netlink_diag_dump+0x2a0/0x2a0
[  234.049214]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.054755]  ? bpf_test_init.isra.9+0x70/0x100
[  234.059354]  ? bpf_prog_test_run_skb+0x634/0xb40
[  234.064133]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  234.068976]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  234.074535]  ? fput+0x130/0x1a0
[  234.077942]  ? __bpf_prog_get+0x9b/0x290
[  234.082008]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  234.086862]  ? bpf_prog_test_run+0x130/0x1a0
[  234.091277]  ? __x64_sys_bpf+0x3d8/0x510
[  234.095341]  ? bpf_prog_get+0x20/0x20
[  234.099164]  ? ksys_ioctl+0x81/0xd0
[  234.102807]  ? do_syscall_64+0x1b9/0x820
[  234.106876]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  234.112244]  ? syscall_return_slowpath+0x5e0/0x5e0
[  234.117202]  ? trace_hardirqs_off+0x300/0x300
[  234.121729]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  234.126768]  ? recalc_sigpending_tsk+0x180/0x180
[  234.131537]  ? kasan_check_write+0x14/0x20
[  234.135786]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.140642]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  234.146027] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  234.146137] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  234.152965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  234.152975] Call Trace:
[  234.159572] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  234.168813]  <IRQ>
[  234.171397] syz-executor4 cpuset=
[  234.181894]  dump_stack+0x1c4/0x2b4
[  234.184036] syz4
[  234.187508]  ? dump_stack_print_info.cold.2+0x52/0x52
[  234.191142]  mems_allowed=0
[  234.193124]  warn_alloc.cold.118+0xb7/0x1bd
[  234.205522]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  234.210385]  ? lock_downgrade+0x900/0x900
[  234.214550]  ? trace_hardirqs_off+0xb8/0x300
[  234.218974]  ? trace_hardirqs_off+0xb8/0x300
[  234.223395]  __alloc_pages_slowpath+0x2667/0x2d80
[  234.228299]  ? warn_alloc+0x120/0x120
[  234.232143]  ? trace_hardirqs_on+0x310/0x310
[  234.236564]  ? warn_alloc+0x120/0x120
[  234.240379]  ? print_usage_bug+0xc0/0xc0
[  234.244442]  ? warn_alloc+0x120/0x120
[  234.248246]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  234.253271]  ? print_usage_bug+0xc0/0xc0
[  234.257345]  ? __lock_acquire+0x7ec/0x4ec0
[  234.261594]  ? __lock_acquire+0x7ec/0x4ec0
[  234.265832]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.271374]  ? should_fail+0x22d/0xd01
[  234.275271]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.280386]  ? __lock_acquire+0x7ec/0x4ec0
[  234.284630]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.289734]  ? __lock_acquire+0x7ec/0x4ec0
[  234.293970]  ? should_fail+0x22d/0xd01
[  234.297907]  ? print_usage_bug+0xc0/0xc0
[  234.301984]  ? mark_held_locks+0x130/0x130
[  234.306239]  ? mark_held_locks+0x130/0x130
[  234.310499]  ? graph_lock+0x170/0x170
[  234.314320]  ? print_usage_bug+0xc0/0xc0
[  234.318387]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  234.323163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.328709]  ? check_preemption_disabled+0x48/0x200
[  234.333729]  ? check_preemption_disabled+0x48/0x200
[  234.338781]  ? __lock_is_held+0xb5/0x140
[  234.342856]  __alloc_pages_nodemask+0xa80/0xde0
[  234.347545]  ? graph_lock+0x170/0x170
[  234.351378]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  234.356392]  ? graph_lock+0x170/0x170
[  234.360233]  ? find_held_lock+0x36/0x1c0
[  234.364313]  ? ____cache_alloc_node+0x1c7/0x1e0
[  234.368984]  ? lock_downgrade+0x900/0x900
[  234.373144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.378690]  cache_grow_begin+0x91/0x8c0
[  234.382757]  ? do_raw_spin_unlock+0xa7/0x2f0
[  234.387177]  fallback_alloc+0x203/0x2e0
[  234.391162]  ____cache_alloc_node+0x1c7/0x1e0
[  234.395701]  kmem_cache_alloc_node+0xe3/0x730
[  234.400207]  ? ipv6_get_ifaddr+0x42e/0x620
[  234.404459]  __alloc_skb+0x119/0x770
[  234.408221]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  234.413513]  ? skb_scrub_packet+0x490/0x490
[  234.417839]  ? lock_downgrade+0x900/0x900
[  234.421997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.427540]  ? refcount_sub_and_test_checked+0x203/0x310
[  234.432999]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  234.438456]  ? addrconf_rs_timer+0x6f0/0x6f0
[  234.442902]  ndisc_alloc_skb+0x144/0x340
[  234.446975]  ndisc_send_rs+0x331/0x6e0
[  234.450870]  addrconf_rs_timer+0x3c0/0x6f0
[  234.455112]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.459363]  call_timer_fn+0x272/0x920
[  234.463253]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.467523]  ? process_timeout+0x40/0x40
[  234.471609]  ? find_held_lock+0x36/0x1c0
[  234.475682]  ? mark_held_locks+0xc7/0x130
[  234.479862]  ? _raw_spin_unlock_irq+0x27/0x80
[  234.484367]  ? _raw_spin_unlock_irq+0x27/0x80
[  234.488876]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.493113]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  234.497710]  ? trace_hardirqs_on+0xbd/0x310
[  234.502036]  ? kasan_check_read+0x11/0x20
[  234.506213]  ? __run_timers+0x7da/0xc70
[  234.510192]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  234.515649]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.519894]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  234.524135]  __run_timers+0x7e5/0xc70
[  234.527955]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  234.533327]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  234.538348]  ? graph_lock+0x170/0x170
[  234.542160]  ? print_usage_bug+0xc0/0xc0
[  234.546224]  ? lock_release+0x970/0x970
[  234.550201]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  234.555417]  ? find_held_lock+0x36/0x1c0
[  234.559507]  ? graph_lock+0x170/0x170
[  234.563364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.568908]  ? check_preemption_disabled+0x48/0x200
[  234.573940]  ? __lock_is_held+0xb5/0x140
[  234.578016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.583555]  ? check_preemption_disabled+0x48/0x200
[  234.588583]  run_timer_softirq+0x52/0xb0
[  234.592653]  ? rcu_read_lock_sched_held+0x108/0x120
[  234.597704]  __do_softirq+0x30b/0xad8
[  234.601541]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  234.606656]  ? pvclock_read_flags+0x160/0x160
[  234.611154]  ? lapic_next_event+0x5a/0x90
[  234.615315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.620869]  ? check_preemption_disabled+0x48/0x200
[  234.625937]  ? check_preemption_disabled+0x48/0x200
[  234.630967]  ? kvm_clock_read+0x18/0x30
[  234.634955]  ? kvm_sched_clock_read+0x9/0x20
[  234.639367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.644907]  ? check_preemption_disabled+0x48/0x200
[  234.649939]  irq_exit+0x17f/0x1c0
[  234.653401]  smp_apic_timer_interrupt+0x1cb/0x760
[  234.658247]  ? smp_reschedule_interrupt+0x109/0x650
[  234.663290]  ? smp_call_function_single_interrupt+0x650/0x650
[  234.669180]  ? interrupt_entry+0xb5/0xf0
[  234.673259]  ? trace_hardirqs_off_caller+0xbb/0x300
[  234.678284]  ? trace_hardirqs_off_caller+0xbb/0x300
[  234.683307]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.688149]  ? trace_hardirqs_off+0x300/0x300
[  234.692666]  ? trace_hardirqs_off+0x300/0x300
[  234.697167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.702713]  ? check_preemption_disabled+0x48/0x200
[  234.707731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.713292]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.718148]  apic_timer_interrupt+0xf/0x20
[  234.722379]  </IRQ>
[  234.724616] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  234.729918] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  234.748996] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  234.756710] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  234.764011] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  234.771295] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  234.778577] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  234.785848] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  234.793147]  ? arch_local_irq_restore+0x45/0x52
[  234.797825]  dump_stack+0x26a/0x2b4
[  234.801457]  ? dump_stack_print_info.cold.2+0x52/0x52
[  234.806667]  ? mark_held_locks+0x130/0x130
[  234.810903]  ? mark_held_locks+0x130/0x130
[  234.815145]  dump_header+0x27b/0xf72
[  234.818887]  ? pagefault_out_of_memory+0x197/0x197
[  234.823823]  ? mark_held_locks+0x130/0x130
[  234.828059]  ? __lock_acquire+0x7ec/0x4ec0
[  234.832305]  ? mem_cgroup_charge_statistics+0x780/0x780
[  234.837672]  ? print_usage_bug+0xc0/0xc0
[  234.841736]  ? print_usage_bug+0xc0/0xc0
[  234.845807]  ? graph_lock+0x170/0x170
[  234.849615]  ? graph_lock+0x170/0x170
[  234.853417]  ? print_usage_bug+0xc0/0xc0
[  234.857474]  ? print_usage_bug+0xc0/0xc0
[  234.862016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.867561]  ? find_held_lock+0x36/0x1c0
[  234.871635]  ? mark_held_locks+0xc7/0x130
[  234.875803]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  234.880913]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  234.886016]  ? lockdep_hardirqs_on+0x421/0x5c0
[  234.890630]  ? trace_hardirqs_on+0xbd/0x310
[  234.894955]  ? kasan_check_read+0x11/0x20
[  234.899110]  ? ___ratelimit+0x36f/0x655
[  234.903088]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  234.908543]  ? trace_hardirqs_on+0x310/0x310
[  234.912956]  ? lock_downgrade+0x900/0x900
[  234.917116]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  234.922227]  ? ___ratelimit+0xaa/0x655
[  234.926125]  ? idr_get_free+0xec0/0xec0
[  234.930107]  ? kasan_check_write+0x14/0x20
[  234.934348]  ? do_raw_spin_lock+0xc1/0x200
[  234.938593]  oom_kill_process.cold.27+0x10/0x903
[  234.943365]  ? graph_lock+0x170/0x170
[  234.947176]  ? _raw_spin_unlock+0x2c/0x50
[  234.951329]  ? oom_badness+0xe6/0xaa0
[  234.955138]  ? oom_evaluate_task+0x540/0x540
[  234.959551]  ? find_held_lock+0x36/0x1c0
[  234.963622]  ? out_of_memory+0x974/0x14c0
[  234.967788]  ? lock_downgrade+0x900/0x900
[  234.971940]  ? check_preemption_disabled+0x48/0x200
[  234.977001]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  234.982803]  ? kasan_check_read+0x11/0x20
[  234.986954]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  234.992236]  ? rcu_bh_qs+0xc0/0xc0
[  234.995785]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  235.000817]  ? oom_evaluate_task+0x302/0x540
[  235.005233]  out_of_memory+0xa86/0x14c0
[  235.009225]  ? oom_killer_disable+0x3a0/0x3a0
[  235.013723]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  235.018682]  ? __mutex_add_waiter+0x2a0/0x2a0
[  235.023209]  __alloc_pages_slowpath+0x2318/0x2d80
[  235.028123]  ? warn_alloc+0x120/0x120
[  235.031923]  ? __radix_tree_lookup+0x4c0/0x4c0
[  235.036533]  ? find_get_entry+0x2f2/0xc40
[  235.040742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.046288]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  235.051221]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.056792]  ? should_fail+0x22d/0xd01
[  235.060715]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  235.065837]  ? __lock_is_held+0xb5/0x140
[  235.069934]  ? __lock_is_held+0xb5/0x140
[  235.074006]  ? find_held_lock+0x36/0x1c0
[  235.078073]  ? ___might_sleep+0x1ed/0x300
[  235.082224]  ? lock_release+0x970/0x970
[  235.086203]  ? arch_local_save_flags+0x40/0x40
[  235.090801]  ? __might_sleep+0x95/0x190
[  235.094788]  __alloc_pages_nodemask+0xa80/0xde0
[  235.099495]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  235.104532]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  235.110349]  ? kasan_check_read+0x11/0x20
[  235.114521]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  235.119804]  ? graph_lock+0x170/0x170
[  235.123609]  ? print_usage_bug+0xc0/0xc0
[  235.127677]  ? graph_lock+0x170/0x170
[  235.131479]  ? graph_lock+0x170/0x170
[  235.135324]  ? __do_page_cache_readahead+0x7ce/0x980
[  235.140445]  ? find_held_lock+0x36/0x1c0
[  235.144525]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  235.150070]  alloc_pages_current+0x10c/0x210
[  235.154505]  ? lock_downgrade+0x900/0x900
[  235.158677]  __page_cache_alloc+0x38f/0x5b0
[  235.163008]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  235.168814]  ? kasan_check_read+0x11/0x20
[  235.172966]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  235.178248]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  235.182925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.188473]  ? check_preemption_disabled+0x48/0x200
[  235.193541]  filemap_fault+0x1594/0x25f0
[  235.197673]  ? __lock_page_or_retry+0xa00/0xa00
[  235.202347]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  235.208150]  ? kasan_check_read+0x11/0x20
[  235.212307]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  235.217592]  ? rcu_bh_qs+0xc0/0xc0
[  235.221140]  ? print_usage_bug+0xc0/0xc0
[  235.225227]  ? filemap_map_pages+0xdea/0x1980
[  235.229748]  ? print_usage_bug+0xc0/0xc0
[  235.233824]  ? find_get_pages_range_tag+0x1320/0x1320
[  235.239015]  ? print_usage_bug+0xc0/0xc0
[  235.243080]  ? __lock_acquire+0x7ec/0x4ec0
[  235.247318]  ? graph_lock+0x170/0x170
[  235.251125]  ? __sigqueue_free.part.27+0x7d/0xa0
[  235.255890]  ? __lock_acquire+0x7ec/0x4ec0
[  235.260149]  ? lock_acquire+0x1ed/0x520
[  235.264129]  ? ext4_filemap_fault+0x7a/0xad
[  235.268465]  ? lock_release+0x970/0x970
[  235.272451]  ? arch_local_save_flags+0x40/0x40
[  235.277036]  ? mark_held_locks+0x130/0x130
[  235.281293]  ? down_read+0xb0/0x1d0
[  235.284932]  ? ext4_filemap_fault+0x7a/0xad
[  235.289255]  ? __down_interruptible+0x700/0x700
[  235.293940]  ? graph_lock+0x170/0x170
[  235.297745]  ? __sigqueue_free.part.27+0x7d/0xa0
[  235.302525]  ext4_filemap_fault+0x82/0xad
[  235.306683]  __do_fault+0x100/0x6b0
[  235.310313]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  235.315599]  ? print_bad_pte+0x6c0/0x6c0
[  235.319667]  ? pmd_val+0x88/0x100
[  235.323136]  ? add_mm_counter_fast+0xd0/0xd0
[  235.327551]  ? pmd_val+0x88/0x100
[  235.331024]  ? add_mm_counter_fast+0xd0/0xd0
[  235.335451]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.341004]  __handle_mm_fault+0x3709/0x53e0
[  235.345424]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  235.350298]  ? graph_lock+0x170/0x170
[  235.354112]  ? print_usage_bug+0xc0/0xc0
[  235.358202]  ? graph_lock+0x170/0x170
[  235.362013]  ? graph_lock+0x170/0x170
[  235.365852]  ? handle_mm_fault+0x42a/0xc70
[  235.370087]  ? lock_downgrade+0x900/0x900
[  235.374252]  ? check_preemption_disabled+0x48/0x200
[  235.379317]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  235.385121]  ? kasan_check_read+0x11/0x20
[  235.389286]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  235.394567]  ? rcu_bh_qs+0xc0/0xc0
[  235.398109]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  235.403567]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.409114]  ? check_preemption_disabled+0x48/0x200
[  235.414146]  handle_mm_fault+0x54f/0xc70
[  235.418215]  ? __handle_mm_fault+0x53e0/0x53e0
[  235.422806]  ? find_vma+0x34/0x190
[  235.426357]  __do_page_fault+0x67d/0xed0
[  235.430432]  ? mm_fault_error+0x380/0x380
[  235.434601]  ? syscall_slow_exit_work+0x520/0x520
[  235.439451]  do_page_fault+0xf2/0x7e0
[  235.443263]  ? vmalloc_sync_all+0x30/0x30
[  235.447443]  ? error_entry+0x70/0xd0
[  235.451162]  ? trace_hardirqs_off_caller+0xbb/0x300
[  235.456200]  ? trace_hardirqs_on_caller+0xc0/0x300
[  235.461144]  ? syscall_return_slowpath+0x5e0/0x5e0
[  235.466075]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.470946]  ? trace_hardirqs_off+0x300/0x300
[  235.475456]  ? trace_hardirqs_off_caller+0x300/0x300
[  235.480574]  ? prepare_exit_to_usermode+0x291/0x3b0
[  235.485595]  ? page_fault+0x8/0x30
[  235.489237]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.494088]  ? page_fault+0x8/0x30
[  235.497636]  page_fault+0x1e/0x30
[  235.501090] RIP: 0033:0x45db60
[  235.504296] Code: Bad RIP value.
[  235.507657] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  235.513025] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  235.520314] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  235.527586] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  235.534885] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  235.542152] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  235.549457] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  235.549463] warn_alloc_show_mem: 1 callbacks suppressed
[  235.549471] Mem-Info:
[  235.556692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  235.556701] Call Trace:
[  235.562076] active_anon:41581 inactive_anon:372 isolated_anon:0
[  235.562076]  active_file:17 inactive_file:16 isolated_file:0
[  235.562076]  unevictable:0 dirty:0 writeback:0 unstable:0
[  235.562076]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  235.562076]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  235.562076]  free:13699 free_pcp:281 free_cma:0
[  235.564451]  <IRQ>
[  235.573816] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  235.576405]  dump_stack+0x1c4/0x2b4
[  235.609266] Node 0 
[  235.611420]  ? dump_stack_print_info.cold.2+0x52/0x52
[  235.639017] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  235.642640]  warn_alloc.cold.118+0xb7/0x1bd
[  235.644835] lowmem_reserve[]:
[  235.650021]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  235.675502]  0 2817
[  235.679840]  ? lock_downgrade+0x900/0x900
[  235.682934]  6321
[  235.687783]  ? trace_hardirqs_off+0xb8/0x300
[  235.689988]  6321
[  235.694139]  ? trace_hardirqs_off+0xb8/0x300
[  235.700622]  __alloc_pages_slowpath+0x2667/0x2d80
[  235.702665] Node 0 
[  235.707092]  ? warn_alloc+0x120/0x120
[  235.711915] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  235.714159]  ? trace_hardirqs_on+0x310/0x310
[  235.717939] lowmem_reserve[]:
[  235.744936]  ? warn_alloc+0x120/0x120
[  235.749329]  0
[  235.752435]  ? print_usage_bug+0xc0/0xc0
[  235.756211]  0
[  235.758011]  ? warn_alloc+0x120/0x120
[  235.762048]  3503
[  235.763857]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  235.767631]  3503
[  235.769688]  ? print_usage_bug+0xc0/0xc0
[  235.776769]  ? __lock_acquire+0x7ec/0x4ec0
[  235.780811] Node 0 
[  235.785039]  ? __lock_acquire+0x7ec/0x4ec0
[  235.785076] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  235.787284]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.791505] lowmem_reserve[]: 0
[  235.819896]  ? should_fail+0x22d/0xd01
[  235.825408]  0
[  235.828687]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  235.832545]  0 0
[  235.834354]  ? __lock_acquire+0x7ec/0x4ec0
[  235.841558]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  235.845778] Node 0 DMA: 
[  235.850875]  ? __lock_acquire+0x7ec/0x4ec0
[  235.850886] 1*4kB 
[  235.853551]  ? should_fail+0x22d/0xd01
[  235.857764] (U) 
[  235.859913]  ? print_usage_bug+0xc0/0xc0
[  235.863778] 0*8kB 
[  235.865764]  ? mark_held_locks+0x130/0x130
[  235.869802] 0*16kB 
[  235.871946]  ? mark_held_locks+0x130/0x130
[  235.876162] 1*32kB 
[  235.878399]  ? graph_lock+0x170/0x170
[  235.882605] (U) 
[  235.884843]  ? print_usage_bug+0xc0/0xc0
[  235.888627] 2*64kB 
[  235.890604]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  235.894666] (U) 
[  235.896927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.901636] 1*128kB (U) 
[  235.903642]  ? check_preemption_disabled+0x48/0x200
[  235.909147] 1*256kB 
[  235.911816]  ? check_preemption_disabled+0x48/0x200
[  235.916803] (U) 0*512kB 
[  235.919137]  ? __lock_is_held+0xb5/0x140
[  235.924124] 1*1024kB (U) 
[  235.926815]  __alloc_pages_nodemask+0xa80/0xde0
[  235.930846] 1*2048kB (M) 
[  235.933634]  ? graph_lock+0x170/0x170
[  235.938286] 3*4096kB (M) 
[  235.941096]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  235.944871] = 15908kB
[  235.944880] Node 0 
[  235.947641]  ? graph_lock+0x170/0x170
[  235.947679]  ? find_held_lock+0x36/0x1c0
[  235.952669] DMA32: 2*4kB 
[  235.955099]  ? ____cache_alloc_node+0x1c7/0x1e0
[  235.957305] (M) 
[  235.961101]  ? lock_downgrade+0x900/0x900
[  235.965139] 1*8kB 
[  235.967904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.972546] (U) 
[  235.974549]  cache_grow_begin+0x91/0x8c0
[  235.978667] 3*16kB (M) 
[  235.980828]  ? do_raw_spin_unlock+0xa7/0x2f0
[  235.986354] 1*32kB 
[  235.988357]  fallback_alloc+0x203/0x2e0
[  235.992400] (M) 
[  235.994986]  ____cache_alloc_node+0x1c7/0x1e0
[  235.999363] 3*64kB (UM) 
[  236.001611]  kmem_cache_alloc_node+0xe3/0x730
[  236.005557] 3*128kB (M) 
[  236.007592]  ? ipv6_get_ifaddr+0x42e/0x620
[  236.012079] 3*256kB (UM) 
[  236.014763]  __alloc_skb+0x119/0x770
[  236.019229] 4*512kB 
[  236.021900]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  236.026101] (UM) 3*1024kB 
[  236.028867]  ? skb_scrub_packet+0x490/0x490
[  236.032559] (M) 
[  236.034880]  ? lock_downgrade+0x900/0x900
[  236.040133] 1*2048kB (U) 
[  236.042991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.047298] 4*4096kB (M) 
[  236.049303]  ? refcount_sub_and_test_checked+0x203/0x310
[  236.053433] = 24992kB
[  236.056200]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  236.061713] Node 0 
[  236.064472]  ? addrconf_rs_timer+0x6f0/0x6f0
[  236.069908] Normal: 
[  236.072329]  ndisc_alloc_skb+0x144/0x340
[  236.077755] 882*4kB 
[  236.079997]  ndisc_send_rs+0x331/0x6e0
[  236.084389] (UME) 
[  236.086715]  addrconf_rs_timer+0x3c0/0x6f0
[  236.090753] 426*8kB 
[  236.093078]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.096952] (MEH) 
[  236.099106]  call_timer_fn+0x272/0x920
[  236.103326] 175*16kB 
[  236.105644]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.109854] (UME) 
[  236.112015]  ? process_timeout+0x40/0x40
[  236.115878] 71*32kB 
[  236.118284]  ? find_held_lock+0x36/0x1c0
[  236.122507] (UMEH) 
[  236.124659]  ? __run_timers+0x7da/0xc70
[  236.128697] 10*64kB 
[  236.131018]  ? _raw_spin_unlock_irq+0x27/0x80
[  236.135053] (UMH) 
[  236.137294]  ? _raw_spin_unlock_irq+0x27/0x80
[  236.141248] 2*128kB 
[  236.143568]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.148045] (H) 
[  236.150196]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  236.154671] 0*256kB 
[  236.157012]  ? trace_hardirqs_on+0xbd/0x310
[  236.161226] 2*512kB 
[  236.163201]  ? kasan_check_read+0x11/0x20
[  236.167751] (UH) 0*1024kB 
[  236.170088]  ? __run_timers+0x7da/0xc70
[  236.174398] 0*2048kB 
[  236.176716]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  236.180854] 0*4096kB 
[  236.183712]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.187670] = 13928kB
[  236.190070]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.195509] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  236.197925]  __run_timers+0x7e5/0xc70
[  236.202151] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  236.204563]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  236.208942] 412 total pagecache pages
[  236.217772]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  236.221564] 0 pages in swap cache
[  236.230140]  ? graph_lock+0x170/0x170
[  236.235494] Swap cache stats: add 0, delete 0, find 0/0
[  236.239293]  ? enqueue_hrtimer+0x1a5/0x560
[  236.244292] Free swap  = 0kB
[  236.247742]  ? lock_release+0x970/0x970
[  236.251537] Total swap = 0kB
[  236.256897]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  236.261109] 1965979 pages RAM
[  236.264139]  ? find_held_lock+0x36/0x1c0
[  236.268090] 0 pages HighMem/MovableOnly
[  236.271117]  ? graph_lock+0x170/0x170
[  236.276284] 342744 pages reserved
[  236.279385]  ? pvclock_read_flags+0x160/0x160
[  236.283418] 0 pages cma reserved
[  236.283518] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  236.287434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.287454]  ? check_preemption_disabled+0x48/0x200
[  236.287479]  ? __lock_is_held+0xb5/0x140
[  236.291503] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  236.294717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.299204] syz-fuzzer cpuset=
[  236.302571]  ? check_preemption_disabled+0x48/0x200
[  236.309041] /
[  236.314579]  run_timer_softirq+0x52/0xb0
[  236.319576]  mems_allowed=0
[  236.323635]  ? rcu_read_lock_sched_held+0x108/0x120
[  236.361192]  __do_softirq+0x30b/0xad8
[  236.365007]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  236.370119]  ? pvclock_read_flags+0x160/0x160
[  236.374615]  ? lapic_next_event+0x5a/0x90
[  236.378767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.384342]  ? check_preemption_disabled+0x48/0x200
[  236.389359]  ? check_preemption_disabled+0x48/0x200
[  236.394386]  ? kvm_clock_read+0x18/0x30
[  236.398365]  ? kvm_sched_clock_read+0x9/0x20
[  236.402782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.408322]  ? check_preemption_disabled+0x48/0x200
[  236.413366]  irq_exit+0x17f/0x1c0
[  236.416838]  smp_apic_timer_interrupt+0x1cb/0x760
[  236.421690]  ? smp_reschedule_interrupt+0x109/0x650
[  236.426724]  ? smp_call_function_single_interrupt+0x650/0x650
[  236.432607]  ? interrupt_entry+0xb5/0xf0
[  236.436695]  ? trace_hardirqs_off_caller+0xbb/0x300
[  236.441717]  ? trace_hardirqs_off_caller+0xbb/0x300
[  236.446753]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.451604]  ? trace_hardirqs_off+0x300/0x300
[  236.456097]  ? trace_hardirqs_off+0x300/0x300
[  236.460612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.466193]  ? check_preemption_disabled+0x48/0x200
[  236.471206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.476758]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.481622]  apic_timer_interrupt+0xf/0x20
[  236.485853]  </IRQ>
[  236.488116] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  236.493056] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  236.511956] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  236.519665] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  236.526964] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  236.534231] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  236.541501] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  236.548775] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  236.556091]  skb_clone+0x1bb/0x500
[  236.559632]  ? finish_task_switch+0x2f5/0x900
[  236.564154]  ? skb_split+0x11e0/0x11e0
[  236.568046]  ? preempt_notifier_register+0x200/0x200
[  236.573165]  ? __switch_to_asm+0x34/0x70
[  236.577227]  ? __switch_to_asm+0x34/0x70
[  236.581287]  ? __switch_to_asm+0x40/0x70
[  236.585343]  ? __switch_to_asm+0x34/0x70
[  236.589426]  ? __switch_to_asm+0x40/0x70
[  236.593491]  ? __switch_to_asm+0x34/0x70
[  236.597553]  ? __switch_to_asm+0x40/0x70
[  236.601626]  ? __switch_to_asm+0x34/0x70
[  236.605686]  ? __switch_to_asm+0x34/0x70
[  236.609772]  ? __switch_to_asm+0x40/0x70
[  236.613836]  ? __switch_to_asm+0x34/0x70
[  236.617919]  bpf_clone_redirect+0xb9/0x490
[  236.622157]  ? __schedule+0x874/0x1ed0
[  236.626054]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  236.631073]  ? __sched_text_start+0x8/0x8
[  236.635230]  ? lockdep_hardirqs_on+0x421/0x5c0
[  236.639812]  ? retint_kernel+0x2d/0x2d
[  236.643703]  ? trace_hardirqs_on_caller+0xc0/0x300
[  236.648635]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  236.653396]  ? find_held_lock+0x36/0x1c0
[  236.657463]  ? lock_acquire+0x1ed/0x520
[  236.661442]  ? bpf_test_run+0x32e/0x5a0
[  236.665438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.670983]  ? check_preemption_disabled+0x48/0x200
[  236.676013]  ? kasan_check_read+0x11/0x20
[  236.680170]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  236.685459]  ? rcu_bh_qs+0xc0/0xc0
[  236.689028]  ? preempt_schedule+0x4d/0x60
[  236.693175]  ? ___preempt_schedule+0x16/0x18
[  236.697593]  ? bpf_test_run+0x1c0/0x5a0
[  236.701583]  ? netlink_diag_dump+0x2a0/0x2a0
[  236.705995]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.711609]  ? bpf_test_init.isra.9+0x70/0x100
[  236.716196]  ? bpf_prog_test_run_skb+0x634/0xb40
[  236.720970]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  236.725828]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  236.731370]  ? fput+0x130/0x1a0
[  236.735107]  ? __bpf_prog_get+0x9b/0x290
[  236.739181]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  236.744025]  ? bpf_prog_test_run+0x130/0x1a0
[  236.748443]  ? __x64_sys_bpf+0x3d8/0x510
[  236.752514]  ? bpf_prog_get+0x20/0x20
[  236.756322]  ? ksys_ioctl+0x81/0xd0
[  236.759963]  ? do_syscall_64+0x1b9/0x820
[  236.764027]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  236.769396]  ? syscall_return_slowpath+0x5e0/0x5e0
[  236.774330]  ? trace_hardirqs_off+0x300/0x300
[  236.778831]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  236.783846]  ? recalc_sigpending_tsk+0x180/0x180
[  236.788603]  ? kasan_check_write+0x14/0x20
[  236.792844]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.797698]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  236.803135] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  236.803224] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  236.810067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  236.810073] Call Trace:
[  236.810080]  <IRQ>
[  236.810096]  dump_stack+0x1c4/0x2b4
[  236.810117]  ? dump_stack_print_info.cold.2+0x52/0x52
[  236.816710] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  236.825986]  warn_alloc.cold.118+0xb7/0x1bd
[  236.828542] syz-executor4 cpuset=
[  236.830683]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  236.834289] syz4
[  236.839506]  ? lock_downgrade+0x900/0x900
[  236.849971]  mems_allowed=0
[  236.854293]  ? trace_hardirqs_off+0xb8/0x300
[  236.875986]  ? trace_hardirqs_off+0xb8/0x300
[  236.880430]  __alloc_pages_slowpath+0x2667/0x2d80
[  236.885310]  ? warn_alloc+0x120/0x120
[  236.889122]  ? warn_alloc+0x120/0x120
[  236.892940]  ? print_usage_bug+0xc0/0xc0
[  236.897014]  ? warn_alloc+0x120/0x120
[  236.900818]  ? print_usage_bug+0xc0/0xc0
[  236.904880]  ? __lock_acquire+0x7ec/0x4ec0
[  236.909117]  ? __lock_acquire+0x7ec/0x4ec0
[  236.913363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.918905]  ? should_fail+0x22d/0xd01
[  236.922797]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.927915]  ? __lock_acquire+0x7ec/0x4ec0
[  236.932157]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.937292]  ? __lock_acquire+0x7ec/0x4ec0
[  236.941528]  ? should_fail+0x22d/0xd01
[  236.945425]  ? check_preemption_disabled+0x48/0x200
[  236.950453]  ? mark_held_locks+0x130/0x130
[  236.954704]  ? mark_held_locks+0x130/0x130
[  236.958967]  ? try_to_wake_up+0x10a/0x12f0
[  236.963203]  ? graph_lock+0x170/0x170
[  236.967003]  ? print_usage_bug+0xc0/0xc0
[  236.971073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.976617]  ? check_preemption_disabled+0x48/0x200
[  236.981639]  ? check_preemption_disabled+0x48/0x200
[  236.986671]  ? __lock_is_held+0xb5/0x140
[  236.990744]  __alloc_pages_nodemask+0xa80/0xde0
[  236.995414]  ? graph_lock+0x170/0x170
[  236.999218]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  237.004231]  ? graph_lock+0x170/0x170
[  237.008043]  ? find_held_lock+0x36/0x1c0
[  237.012119]  ? ____cache_alloc_node+0x1c7/0x1e0
[  237.016788]  ? lock_downgrade+0x900/0x900
[  237.020945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.026519]  cache_grow_begin+0x91/0x8c0
[  237.030586]  ? do_raw_spin_unlock+0xa7/0x2f0
[  237.035015]  fallback_alloc+0x203/0x2e0
[  237.039010]  ____cache_alloc_node+0x1c7/0x1e0
[  237.043533]  kmem_cache_alloc_node+0xe3/0x730
[  237.048030]  ? ipv6_get_ifaddr+0x42e/0x620
[  237.052271]  __alloc_skb+0x119/0x770
[  237.056011]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  237.061298]  ? skb_scrub_packet+0x490/0x490
[  237.065618]  ? lock_downgrade+0x900/0x900
[  237.069773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.075322]  ? refcount_sub_and_test_checked+0x203/0x310
[  237.080776]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  237.086230]  ? addrconf_rs_timer+0x6f0/0x6f0
[  237.090656]  ndisc_alloc_skb+0x144/0x340
[  237.094729]  ndisc_send_rs+0x331/0x6e0
[  237.098626]  addrconf_rs_timer+0x3c0/0x6f0
[  237.102866]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.107115]  call_timer_fn+0x272/0x920
[  237.111036]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.115282]  ? process_timeout+0x40/0x40
[  237.119336]  ? find_held_lock+0x36/0x1c0
[  237.123417]  ? mark_held_locks+0xc7/0x130
[  237.127584]  ? _raw_spin_unlock_irq+0x27/0x80
[  237.132076]  ? _raw_spin_unlock_irq+0x27/0x80
[  237.136571]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.140806]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  237.145395]  ? trace_hardirqs_on+0xbd/0x310
[  237.149720]  ? kasan_check_read+0x11/0x20
[  237.153878]  ? __run_timers+0x7da/0xc70
[  237.157888]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  237.163350]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.167593]  __run_timers+0x7e5/0xc70
[  237.171424]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  237.176803]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  237.181817]  ? graph_lock+0x170/0x170
[  237.185624]  ? print_usage_bug+0xc0/0xc0
[  237.189684]  ? lock_release+0x970/0x970
[  237.193662]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  237.198859]  ? find_held_lock+0x36/0x1c0
[  237.202922]  ? graph_lock+0x170/0x170
[  237.206726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.212280]  ? check_preemption_disabled+0x48/0x200
[  237.217319]  ? __lock_is_held+0xb5/0x140
[  237.221424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.227007]  ? check_preemption_disabled+0x48/0x200
[  237.232058]  run_timer_softirq+0x52/0xb0
[  237.236118]  ? rcu_read_lock_sched_held+0x108/0x120
[  237.241138]  __do_softirq+0x30b/0xad8
[  237.244950]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  237.250061]  ? pvclock_read_flags+0x160/0x160
[  237.254563]  ? lapic_next_event+0x5a/0x90
[  237.258713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.264252]  ? check_preemption_disabled+0x48/0x200
[  237.269273]  ? check_preemption_disabled+0x48/0x200
[  237.274309]  ? kvm_clock_read+0x18/0x30
[  237.278291]  ? kvm_sched_clock_read+0x9/0x20
[  237.282701]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.288239]  ? check_preemption_disabled+0x48/0x200
[  237.293273]  irq_exit+0x17f/0x1c0
[  237.296742]  smp_apic_timer_interrupt+0x1cb/0x760
[  237.301587]  ? smp_reschedule_interrupt+0x109/0x650
[  237.306614]  ? smp_call_function_single_interrupt+0x650/0x650
[  237.312514]  ? interrupt_entry+0xb5/0xf0
[  237.316584]  ? trace_hardirqs_off_caller+0xbb/0x300
[  237.321618]  ? trace_hardirqs_off_caller+0xbb/0x300
[  237.326668]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.331517]  ? trace_hardirqs_off+0x300/0x300
[  237.336099]  ? trace_hardirqs_off+0x300/0x300
[  237.340610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.346151]  ? check_preemption_disabled+0x48/0x200
[  237.351164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.356709]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.361560]  apic_timer_interrupt+0xf/0x20
[  237.365790]  </IRQ>
[  237.368027] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  237.373322] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  237.392233] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  237.399941] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  237.407211] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  237.414479] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  237.421772] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  237.429041] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  237.436346]  ? arch_local_irq_restore+0x45/0x52
[  237.441024]  dump_stack+0x26a/0x2b4
[  237.444658]  ? dump_stack_print_info.cold.2+0x52/0x52
[  237.449864]  ? mark_held_locks+0x130/0x130
[  237.454107]  ? mark_held_locks+0x130/0x130
[  237.458352]  dump_header+0x27b/0xf72
[  237.462081]  ? pagefault_out_of_memory+0x197/0x197
[  237.467032]  ? mark_held_locks+0x130/0x130
[  237.471268]  ? __lock_acquire+0x7ec/0x4ec0
[  237.475520]  ? mem_cgroup_charge_statistics+0x780/0x780
[  237.480888]  ? print_usage_bug+0xc0/0xc0
[  237.484963]  ? print_usage_bug+0xc0/0xc0
[  237.489047]  ? graph_lock+0x170/0x170
[  237.492860]  ? graph_lock+0x170/0x170
[  237.496675]  ? print_usage_bug+0xc0/0xc0
[  237.500736]  ? print_usage_bug+0xc0/0xc0
[  237.504814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.510353]  ? find_held_lock+0x36/0x1c0
[  237.514436]  ? mark_held_locks+0xc7/0x130
[  237.518602]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  237.523705]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  237.528814]  ? lockdep_hardirqs_on+0x421/0x5c0
[  237.533410]  ? trace_hardirqs_on+0xbd/0x310
[  237.537732]  ? kasan_check_read+0x11/0x20
[  237.541881]  ? ___ratelimit+0x36f/0x655
[  237.545857]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  237.551345]  ? trace_hardirqs_on+0x310/0x310
[  237.555756]  ? lock_downgrade+0x900/0x900
[  237.559911]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  237.565018]  ? ___ratelimit+0xaa/0x655
[  237.568910]  ? idr_get_free+0xec0/0xec0
[  237.572913]  ? kasan_check_write+0x14/0x20
[  237.577157]  ? do_raw_spin_lock+0xc1/0x200
[  237.581397]  oom_kill_process.cold.27+0x10/0x903
[  237.586156]  ? graph_lock+0x170/0x170
[  237.589957]  ? _raw_spin_unlock+0x2c/0x50
[  237.594103]  ? oom_badness+0xe6/0xaa0
[  237.597920]  ? oom_evaluate_task+0x540/0x540
[  237.602333]  ? find_held_lock+0x36/0x1c0
[  237.606411]  ? out_of_memory+0x974/0x14c0
[  237.610569]  ? lock_downgrade+0x900/0x900
[  237.614716]  ? check_preemption_disabled+0x48/0x200
[  237.619738]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  237.625543]  ? kasan_check_read+0x11/0x20
[  237.629691]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  237.634972]  ? rcu_bh_qs+0xc0/0xc0
[  237.638531]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  237.643548]  ? oom_evaluate_task+0x302/0x540
[  237.647963]  out_of_memory+0xa86/0x14c0
[  237.651974]  ? oom_killer_disable+0x3a0/0x3a0
[  237.656469]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  237.661409]  ? __mutex_add_waiter+0x2a0/0x2a0
[  237.665914]  __alloc_pages_slowpath+0x2318/0x2d80
[  237.670784]  ? warn_alloc+0x120/0x120
[  237.674587]  ? __radix_tree_lookup+0x4c0/0x4c0
[  237.679186]  ? find_get_entry+0x2f2/0xc40
[  237.683347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.688885]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  237.693841]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.699382]  ? should_fail+0x22d/0xd01
[  237.703308]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.708413]  ? __lock_is_held+0xb5/0x140
[  237.712508]  ? __lock_is_held+0xb5/0x140
[  237.716594]  ? find_held_lock+0x36/0x1c0
[  237.720659]  ? ___might_sleep+0x1ed/0x300
[  237.724826]  ? lock_release+0x970/0x970
[  237.728814]  ? arch_local_save_flags+0x40/0x40
[  237.733412]  ? __might_sleep+0x95/0x190
[  237.737420]  __alloc_pages_nodemask+0xa80/0xde0
[  237.742130]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  237.747150]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  237.752967]  ? kasan_check_read+0x11/0x20
[  237.757120]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  237.762398]  ? graph_lock+0x170/0x170
[  237.766197]  ? print_usage_bug+0xc0/0xc0
[  237.770261]  ? graph_lock+0x170/0x170
[  237.774065]  ? graph_lock+0x170/0x170
[  237.777892]  ? __do_page_cache_readahead+0x7ce/0x980
[  237.783008]  ? find_held_lock+0x36/0x1c0
[  237.787072]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  237.792616]  alloc_pages_current+0x10c/0x210
[  237.797033]  ? lock_downgrade+0x900/0x900
[  237.801190]  __page_cache_alloc+0x38f/0x5b0
[  237.805530]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  237.811340]  ? kasan_check_read+0x11/0x20
[  237.815493]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  237.820773]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  237.825441]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.831016]  ? check_preemption_disabled+0x48/0x200
[  237.836063]  filemap_fault+0x1594/0x25f0
[  237.840612]  ? __lock_page_or_retry+0xa00/0xa00
[  237.845283]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  237.851090]  ? kasan_check_read+0x11/0x20
[  237.855241]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  237.860528]  ? rcu_bh_qs+0xc0/0xc0
[  237.864071]  ? print_usage_bug+0xc0/0xc0
[  237.868138]  ? filemap_map_pages+0xdea/0x1980
[  237.872652]  ? print_usage_bug+0xc0/0xc0
[  237.876726]  ? find_get_pages_range_tag+0x1320/0x1320
[  237.881917]  ? print_usage_bug+0xc0/0xc0
[  237.886006]  ? __lock_acquire+0x7ec/0x4ec0
[  237.890253]  ? graph_lock+0x170/0x170
[  237.894062]  ? __sigqueue_free.part.27+0x7d/0xa0
[  237.898828]  ? __lock_acquire+0x7ec/0x4ec0
[  237.903076]  ? lock_acquire+0x1ed/0x520
[  237.907061]  ? ext4_filemap_fault+0x7a/0xad
[  237.911391]  ? lock_release+0x970/0x970
[  237.915375]  ? arch_local_save_flags+0x40/0x40
[  237.919973]  ? mark_held_locks+0x130/0x130
[  237.924235]  ? down_read+0xb0/0x1d0
[  237.927859]  ? ext4_filemap_fault+0x7a/0xad
[  237.932183]  ? __down_interruptible+0x700/0x700
[  237.936858]  ? graph_lock+0x170/0x170
[  237.940665]  ? __sigqueue_free.part.27+0x7d/0xa0
[  237.945438]  ext4_filemap_fault+0x82/0xad
[  237.949590]  __do_fault+0x100/0x6b0
[  237.953218]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  237.958514]  ? print_bad_pte+0x6c0/0x6c0
[  237.962581]  ? pmd_val+0x88/0x100
[  237.966046]  ? add_mm_counter_fast+0xd0/0xd0
[  237.970473]  ? pmd_val+0x88/0x100
[  237.973945]  ? add_mm_counter_fast+0xd0/0xd0
[  237.978373]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.983912]  __handle_mm_fault+0x3709/0x53e0
[  237.988327]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  237.993161]  ? graph_lock+0x170/0x170
[  237.996955]  ? print_usage_bug+0xc0/0xc0
[  238.001018]  ? graph_lock+0x170/0x170
[  238.004828]  ? graph_lock+0x170/0x170
[  238.008658]  ? handle_mm_fault+0x42a/0xc70
[  238.012891]  ? lock_downgrade+0x900/0x900
[  238.017048]  ? check_preemption_disabled+0x48/0x200
[  238.022063]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  238.027869]  ? kasan_check_read+0x11/0x20
[  238.032028]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  238.037316]  ? rcu_bh_qs+0xc0/0xc0
[  238.040859]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  238.046311]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.051848]  ? check_preemption_disabled+0x48/0x200
[  238.056868]  handle_mm_fault+0x54f/0xc70
[  238.060931]  ? __handle_mm_fault+0x53e0/0x53e0
[  238.065516]  ? find_vma+0x34/0x190
[  238.069065]  __do_page_fault+0x67d/0xed0
[  238.073143]  ? mm_fault_error+0x380/0x380
[  238.077303]  ? syscall_slow_exit_work+0x520/0x520
[  238.082162]  do_page_fault+0xf2/0x7e0
[  238.085963]  ? vmalloc_sync_all+0x30/0x30
[  238.090110]  ? error_entry+0x70/0xd0
[  238.093823]  ? trace_hardirqs_off_caller+0xbb/0x300
[  238.098840]  ? trace_hardirqs_on_caller+0xc0/0x300
[  238.103767]  ? syscall_return_slowpath+0x5e0/0x5e0
[  238.108703]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.113560]  ? trace_hardirqs_off+0x300/0x300
[  238.118093]  ? trace_hardirqs_off_caller+0x300/0x300
[  238.123213]  ? prepare_exit_to_usermode+0x291/0x3b0
[  238.128233]  ? page_fault+0x8/0x30
[  238.131780]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.136629]  ? page_fault+0x8/0x30
[  238.140224]  page_fault+0x1e/0x30
[  238.143677] RIP: 0033:0x45db60
[  238.146873] Code: Bad RIP value.
[  238.150235] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  238.155602] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  238.162870] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  238.170149] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  238.177417] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  238.184681] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  238.191979] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  238.191985] warn_alloc_show_mem: 1 callbacks suppressed
[  238.191992] Mem-Info:
[  238.199183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  238.204556] active_anon:41581 inactive_anon:372 isolated_anon:0
[  238.204556]  active_file:17 inactive_file:16 isolated_file:0
[  238.204556]  unevictable:0 dirty:0 writeback:0 unstable:0
[  238.204556]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  238.204556]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  238.204556]  free:13699 free_pcp:281 free_cma:0
[  238.206931] Call Trace:
[  238.216321] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  238.249166]  <IRQ>
[  238.251752] Node 0 
[  238.279338]  dump_stack+0x1c4/0x2b4
[  238.281493] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  238.283697]  ? dump_stack_print_info.cold.2+0x52/0x52
[  238.287294] lowmem_reserve[]: 0
[  238.312823]  warn_alloc.cold.118+0xb7/0x1bd
[  238.317997]  2817
[  238.321273]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  238.325582]  6321
[  238.327651]  ? lock_downgrade+0x900/0x900
[  238.332461]  6321
[  238.334544]  ? trace_hardirqs_off+0xb8/0x300
[  238.338672] Node 0 
[  238.340730]  ? trace_hardirqs_off+0xb8/0x300
[  238.345136] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  238.347349]  __alloc_pages_slowpath+0x2667/0x2d80
[  238.351731] lowmem_reserve[]:
[  238.378727]  ? warn_alloc+0x120/0x120
[  238.383534]  0
[  238.386635]  ? trace_hardirqs_on+0x310/0x310
[  238.390409]  0
[  238.392233]  ? warn_alloc+0x120/0x120
[  238.396634]  3503
[  238.398433]  ? print_usage_bug+0xc0/0xc0
[  238.402208]  3503
[  238.404267]  ? warn_alloc+0x120/0x120
[  238.408314] Node 0 
[  238.410377]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  238.414197] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  238.416430]  ? print_usage_bug+0xc0/0xc0
[  238.421436] lowmem_reserve[]:
[  238.449807]  ? __lock_acquire+0x7ec/0x4ec0
[  238.453864]  0
[  238.456965]  ? __lock_acquire+0x7ec/0x4ec0
[  238.461184]  0
[  238.462987]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.467213]  0
[  238.469011]  ? should_fail+0x22d/0xd01
[  238.474546]  0
[  238.476346]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.482006]  ? __lock_acquire+0x7ec/0x4ec0
[  238.487086] Node 0 DMA: 
[  238.491314]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.491329]  ? __lock_acquire+0x7ec/0x4ec0
[  238.493984] 1*4kB 
[  238.499080]  ? should_fail+0x22d/0xd01
[  238.503296] (U) 
[  238.505444]  ? print_usage_bug+0xc0/0xc0
[  238.509306] 0*8kB 
[  238.511280]  ? mark_held_locks+0x130/0x130
[  238.515316] 0*16kB 1*32kB 
[  238.517472]  ? mark_held_locks+0x130/0x130
[  238.521704] (U) 
[  238.524545]  ? graph_lock+0x170/0x170
[  238.528765] 2*64kB 
[  238.530740]  ? print_usage_bug+0xc0/0xc0
[  238.534519] (U) 
[  238.536758]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  238.540792] 1*128kB 
[  238.542786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.547513] (U) 
[  238.549849]  ? check_preemption_disabled+0x48/0x200
[  238.555353] 1*256kB (U) 
[  238.557337]  ? check_preemption_disabled+0x48/0x200
[  238.562339] 0*512kB 
[  238.565009]  ? __lock_is_held+0xb5/0x140
[  238.569997] 1*1024kB 
[  238.572317]  __alloc_pages_nodemask+0xa80/0xde0
[  238.576351] (U) 
[  238.578755]  ? graph_lock+0x170/0x170
[  238.583402] 1*2048kB 
[  238.585375]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  238.589157] (M) 
[  238.591565]  ? graph_lock+0x170/0x170
[  238.596558] 3*4096kB 
[  238.598537]  ? find_held_lock+0x36/0x1c0
[  238.602305] (M) 
[  238.604717]  ? ____cache_alloc_node+0x1c7/0x1e0
[  238.608746] = 15908kB
[  238.610715]  ? lock_downgrade+0x900/0x900
[  238.615359] Node 0 
[  238.617794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.621922] DMA32: 
[  238.624158]  cache_grow_begin+0x91/0x8c0
[  238.629672] 2*4kB 
[  238.631908]  ? do_raw_spin_unlock+0xa7/0x2f0
[  238.635954] (M) 
[  238.638104]  fallback_alloc+0x203/0x2e0
[  238.642493] 1*8kB 
[  238.644493]  ____cache_alloc_node+0x1c7/0x1e0
[  238.648440] (U) 
[  238.650589]  kmem_cache_alloc_node+0xe3/0x730
[  238.655060] 3*16kB 
[  238.657035]  ? ipv6_get_ifaddr+0x42e/0x620
[  238.661516] (M) 
[  238.663900]  __alloc_skb+0x119/0x770
[  238.668108] 1*32kB 
[  238.670090]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  238.673784] (M) 
[  238.676035]  ? skb_scrub_packet+0x490/0x490
[  238.681309] 3*64kB 
[  238.683289]  ? lock_downgrade+0x900/0x900
[  238.683311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.687609] (UM) 
[  238.689847]  ? refcount_sub_and_test_checked+0x203/0x310
[  238.693971] 3*128kB 
[  238.699511]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  238.701564] (M) 
[  238.707020]  ? addrconf_rs_timer+0x6f0/0x6f0
[  238.709319] 3*256kB 
[  238.714789]  ndisc_alloc_skb+0x144/0x340
[  238.716726] (UM) 
[  238.721132]  ndisc_send_rs+0x331/0x6e0
[  238.723450] 4*512kB 
[  238.727518]  addrconf_rs_timer+0x3c0/0x6f0
[  238.729572] (UM) 
[  238.733683]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.735986] 3*1024kB 
[  238.740222]  call_timer_fn+0x272/0x920
[  238.742253] (M) 
[  238.746495]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.748884] 1*2048kB 
[  238.752764]  ? process_timeout+0x40/0x40
[  238.754717] (U) 
[  238.758953]  ? find_held_lock+0x36/0x1c0
[  238.761345] 4*4096kB 
[  238.765456]  ? __run_timers+0x7da/0xc70
[  238.767405] (M) 
[  238.771473]  ? _raw_spin_unlock_irq+0x27/0x80
[  238.773866] = 24992kB
[  238.773874] Node 0 
[  238.777854]  ? _raw_spin_unlock_irq+0x27/0x80
[  238.779801] Normal: 882*4kB 
[  238.784310]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.786698] (UME) 
[  238.788931]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  238.793406] 426*8kB 
[  238.796422]  ? trace_hardirqs_on+0xbd/0x310
[  238.800647] (MEH) 
[  238.802793]  ? kasan_check_read+0x11/0x20
[  238.807349] 175*16kB 
[  238.809669]  ? __run_timers+0x7da/0xc70
[  238.813965] (UME) 
[  238.816116]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  238.820240] 71*32kB 
[  238.822660]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.826621] (UMEH) 
[  238.828766]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  238.834193] 10*64kB 
[  238.836527]  __run_timers+0x7e5/0xc70
[  238.840748] (UMH) 
[  238.842982]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  238.847194] 2*128kB 
[  238.849517]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  238.853301] (H) 
[  238.855443]  ? graph_lock+0x170/0x170
[  238.860786] 0*256kB 
[  238.863101]  ? enqueue_hrtimer+0x1a5/0x560
[  238.868093] 2*512kB 
[  238.870080]  ? lock_release+0x970/0x970
[  238.873858] (UH) 
[  238.876178]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  238.880383] 0*1024kB 0*2048kB 
[  238.882722]  ? find_held_lock+0x36/0x1c0
[  238.886671] 0*4096kB 
[  238.888739]  ? graph_lock+0x170/0x170
[  238.893911] = 13928kB
[  238.893926] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  238.897119]  ? pvclock_read_flags+0x160/0x160
[  238.901176] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  238.903593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.907369] 412 total pagecache pages
[  238.909784]  ? check_preemption_disabled+0x48/0x200
[  238.918595] 0 pages in swap cache
[  238.923094]  ? __lock_is_held+0xb5/0x140
[  238.931645] Swap cache stats: add 0, delete 0, find 0/0
[  238.931667] Free swap  = 0kB
[  238.937216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.940999] Total swap = 0kB
[  238.946016]  ? check_preemption_disabled+0x48/0x200
[  238.949444] 1965979 pages RAM
[  238.953519]  run_timer_softirq+0x52/0xb0
[  238.958854] 0 pages HighMem/MovableOnly
[  238.958863] 342744 pages reserved
[  238.961877]  ? rcu_read_lock_sched_held+0x108/0x120
[  238.967386] 0 pages cma reserved
[  238.970399]  __do_softirq+0x30b/0xad8
[  238.975462] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  238.978494]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  238.982616] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  238.986522]  ? pvclock_read_flags+0x160/0x160
[  238.989952] syz-fuzzer cpuset=
[  238.994958]  ? lapic_next_event+0x5a/0x90
[  238.998310] /
[  239.002109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.008592]  mems_allowed=0
[  239.013701]  ? check_preemption_disabled+0x48/0x200
[  239.050855]  ? check_preemption_disabled+0x48/0x200
[  239.055877]  ? kvm_clock_read+0x18/0x30
[  239.059849]  ? kvm_sched_clock_read+0x9/0x20
[  239.064262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.069806]  ? check_preemption_disabled+0x48/0x200
[  239.074834]  irq_exit+0x17f/0x1c0
[  239.078297]  smp_apic_timer_interrupt+0x1cb/0x760
[  239.083171]  ? smp_reschedule_interrupt+0x109/0x650
[  239.088187]  ? smp_call_function_single_interrupt+0x650/0x650
[  239.094072]  ? interrupt_entry+0xb5/0xf0
[  239.098131]  ? trace_hardirqs_off_caller+0xbb/0x300
[  239.103143]  ? trace_hardirqs_off_caller+0xbb/0x300
[  239.108181]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.113022]  ? trace_hardirqs_off+0x300/0x300
[  239.117517]  ? trace_hardirqs_off+0x300/0x300
[  239.122016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.127575]  ? check_preemption_disabled+0x48/0x200
[  239.132592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.138135]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.143017]  apic_timer_interrupt+0xf/0x20
[  239.147263]  </IRQ>
[  239.149522] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  239.154453] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  239.173370] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  239.181089] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  239.188349] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  239.195623] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  239.202881] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  239.210142] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  239.217438]  skb_clone+0x1bb/0x500
[  239.220988]  ? finish_task_switch+0x2f5/0x900
[  239.225493]  ? skb_split+0x11e0/0x11e0
[  239.229381]  ? preempt_notifier_register+0x200/0x200
[  239.234479]  ? __switch_to_asm+0x34/0x70
[  239.238541]  ? __switch_to_asm+0x34/0x70
[  239.242595]  ? __switch_to_asm+0x40/0x70
[  239.246649]  ? __switch_to_asm+0x34/0x70
[  239.250702]  ? __switch_to_asm+0x40/0x70
[  239.254758]  ? __switch_to_asm+0x34/0x70
[  239.258815]  ? __switch_to_asm+0x40/0x70
[  239.262927]  ? __switch_to_asm+0x34/0x70
[  239.266994]  ? __switch_to_asm+0x34/0x70
[  239.271046]  ? __switch_to_asm+0x40/0x70
[  239.275100]  ? __switch_to_asm+0x34/0x70
[  239.279170]  bpf_clone_redirect+0xb9/0x490
[  239.283404]  ? __schedule+0x874/0x1ed0
[  239.287306]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  239.292318]  ? __sched_text_start+0x8/0x8
[  239.296465]  ? lockdep_hardirqs_on+0x421/0x5c0
[  239.301046]  ? retint_kernel+0x2d/0x2d
[  239.304929]  ? trace_hardirqs_on_caller+0xc0/0x300
[  239.309879]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  239.314640]  ? find_held_lock+0x36/0x1c0
[  239.318709]  ? lock_acquire+0x1ed/0x520
[  239.322682]  ? bpf_test_run+0x32e/0x5a0
[  239.326657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.332190]  ? check_preemption_disabled+0x48/0x200
[  239.337229]  ? kasan_check_read+0x11/0x20
[  239.341406]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  239.346688]  ? rcu_bh_qs+0xc0/0xc0
[  239.350224]  ? preempt_schedule+0x4d/0x60
[  239.354364]  ? ___preempt_schedule+0x16/0x18
[  239.358791]  ? bpf_test_run+0x1c0/0x5a0
[  239.362771]  ? netlink_diag_dump+0x2a0/0x2a0
[  239.367184]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.372750]  ? bpf_test_init.isra.9+0x70/0x100
[  239.377342]  ? bpf_prog_test_run_skb+0x634/0xb40
[  239.382108]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  239.386985]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  239.392523]  ? fput+0x130/0x1a0
[  239.395807]  ? __bpf_prog_get+0x9b/0x290
[  239.399874]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  239.404715]  ? bpf_prog_test_run+0x130/0x1a0
[  239.409132]  ? __x64_sys_bpf+0x3d8/0x510
[  239.413191]  ? bpf_prog_get+0x20/0x20
[  239.416999]  ? ksys_ioctl+0x81/0xd0
[  239.420641]  ? do_syscall_64+0x1b9/0x820
[  239.424705]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  239.430077]  ? syscall_return_slowpath+0x5e0/0x5e0
[  239.435024]  ? trace_hardirqs_off+0x300/0x300
[  239.439543]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  239.444574]  ? recalc_sigpending_tsk+0x180/0x180
[  239.449335]  ? kasan_check_write+0x14/0x20
[  239.453604]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.458468]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  239.463872] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  239.463960] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  239.470804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  239.470810] Call Trace:
[  239.470817]  <IRQ>
[  239.470834]  dump_stack+0x1c4/0x2b4
[  239.470855]  ? dump_stack_print_info.cold.2+0x52/0x52
[  239.477445] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  239.486695]  warn_alloc.cold.118+0xb7/0x1bd
[  239.489251] syz-executor4 cpuset=
[  239.491408]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  239.495012] syz4
[  239.500202]  ? lock_downgrade+0x900/0x900
[  239.510667]  mems_allowed=0
[  239.514983]  ? trace_hardirqs_off+0xb8/0x300
[  239.536622]  ? trace_hardirqs_off+0xb8/0x300
[  239.541039]  __alloc_pages_slowpath+0x2667/0x2d80
[  239.545916]  ? warn_alloc+0x120/0x120
[  239.549718]  ? warn_alloc+0x120/0x120
[  239.553546]  ? print_usage_bug+0xc0/0xc0
[  239.557637]  ? warn_alloc+0x120/0x120
[  239.561438]  ? print_usage_bug+0xc0/0xc0
[  239.565504]  ? __lock_acquire+0x7ec/0x4ec0
[  239.569740]  ? __lock_acquire+0x7ec/0x4ec0
[  239.573988]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.579528]  ? should_fail+0x22d/0xd01
[  239.583418]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.588545]  ? __lock_acquire+0x7ec/0x4ec0
[  239.592816]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.597915]  ? __lock_acquire+0x7ec/0x4ec0
[  239.602149]  ? should_fail+0x22d/0xd01
[  239.606057]  ? mark_held_locks+0x130/0x130
[  239.610298]  ? mark_held_locks+0x130/0x130
[  239.614545]  ? graph_lock+0x170/0x170
[  239.618343]  ? graph_lock+0x170/0x170
[  239.622144]  ? graph_lock+0x170/0x170
[  239.625971]  ? print_usage_bug+0xc0/0xc0
[  239.630032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.635572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.641121]  ? check_preemption_disabled+0x48/0x200
[  239.646186]  ? check_preemption_disabled+0x48/0x200
[  239.651214]  ? __lock_is_held+0xb5/0x140
[  239.655291]  __alloc_pages_nodemask+0xa80/0xde0
[  239.659965]  ? graph_lock+0x170/0x170
[  239.663768]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  239.668785]  ? graph_lock+0x170/0x170
[  239.672600]  ? find_held_lock+0x36/0x1c0
[  239.676674]  ? ____cache_alloc_node+0x1c7/0x1e0
[  239.681352]  ? lock_downgrade+0x900/0x900
[  239.685520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.691066]  cache_grow_begin+0x91/0x8c0
[  239.695142]  ? do_raw_spin_unlock+0xa7/0x2f0
[  239.699568]  fallback_alloc+0x203/0x2e0
[  239.703568]  ____cache_alloc_node+0x1c7/0x1e0
[  239.708071]  kmem_cache_alloc_node+0xe3/0x730
[  239.712570]  ? ipv6_get_ifaddr+0x42e/0x620
[  239.716820]  __alloc_skb+0x119/0x770
[  239.720554]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  239.725836]  ? skb_scrub_packet+0x490/0x490
[  239.730163]  ? lock_downgrade+0x900/0x900
[  239.734322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.739874]  ? refcount_sub_and_test_checked+0x203/0x310
[  239.745422]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  239.750877]  ? addrconf_rs_timer+0x6f0/0x6f0
[  239.755302]  ndisc_alloc_skb+0x144/0x340
[  239.759367]  ndisc_send_rs+0x331/0x6e0
[  239.763262]  addrconf_rs_timer+0x3c0/0x6f0
[  239.767519]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.771770]  call_timer_fn+0x272/0x920
[  239.775659]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.779910]  ? process_timeout+0x40/0x40
[  239.783974]  ? find_held_lock+0x36/0x1c0
[  239.788045]  ? mark_held_locks+0xc7/0x130
[  239.792222]  ? _raw_spin_unlock_irq+0x27/0x80
[  239.796725]  ? _raw_spin_unlock_irq+0x27/0x80
[  239.801222]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.805468]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  239.810062]  ? trace_hardirqs_on+0xbd/0x310
[  239.814383]  ? kasan_check_read+0x11/0x20
[  239.818533]  ? __run_timers+0x7da/0xc70
[  239.822524]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  239.827978]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.832219]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.836473]  __run_timers+0x7e5/0xc70
[  239.840802]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  239.846185]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  239.851219]  ? graph_lock+0x170/0x170
[  239.855027]  ? print_usage_bug+0xc0/0xc0
[  239.859085]  ? lock_release+0x970/0x970
[  239.863066]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  239.868267]  ? find_held_lock+0x36/0x1c0
[  239.872357]  ? graph_lock+0x170/0x170
[  239.876166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.881710]  ? check_preemption_disabled+0x48/0x200
[  239.886750]  ? __lock_is_held+0xb5/0x140
[  239.890819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.896359]  ? check_preemption_disabled+0x48/0x200
[  239.901403]  run_timer_softirq+0x52/0xb0
[  239.905466]  ? rcu_read_lock_sched_held+0x108/0x120
[  239.910506]  __do_softirq+0x30b/0xad8
[  239.914325]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  239.919446]  ? pvclock_read_flags+0x160/0x160
[  239.923939]  ? lapic_next_event+0x5a/0x90
[  239.928090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.933628]  ? check_preemption_disabled+0x48/0x200
[  239.938645]  ? check_preemption_disabled+0x48/0x200
[  239.943671]  ? kvm_clock_read+0x18/0x30
[  239.947649]  ? kvm_sched_clock_read+0x9/0x20
[  239.952063]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.957603]  ? check_preemption_disabled+0x48/0x200
[  239.962631]  irq_exit+0x17f/0x1c0
[  239.966083]  smp_apic_timer_interrupt+0x1cb/0x760
[  239.970921]  ? smp_reschedule_interrupt+0x109/0x650
[  239.975933]  ? smp_call_function_single_interrupt+0x650/0x650
[  239.981818]  ? interrupt_entry+0xb5/0xf0
[  239.985879]  ? trace_hardirqs_off_caller+0xbb/0x300
[  239.990914]  ? trace_hardirqs_off_caller+0xbb/0x300
[  239.995932]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.000777]  ? trace_hardirqs_off+0x300/0x300
[  240.005270]  ? trace_hardirqs_off+0x300/0x300
[  240.009771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.015312]  ? check_preemption_disabled+0x48/0x200
[  240.020332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.025880]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.030743]  apic_timer_interrupt+0xf/0x20
[  240.035005]  </IRQ>
[  240.037242] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  240.042527] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  240.061428] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  240.069137] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  240.076426] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  240.083728] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  240.090995] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  240.098278] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  240.105581]  ? arch_local_irq_restore+0x45/0x52
[  240.110282]  dump_stack+0x26a/0x2b4
[  240.113914]  ? dump_stack_print_info.cold.2+0x52/0x52
[  240.119134]  ? mark_held_locks+0x130/0x130
[  240.123413]  ? mark_held_locks+0x130/0x130
[  240.127671]  dump_header+0x27b/0xf72
[  240.131416]  ? pagefault_out_of_memory+0x197/0x197
[  240.136363]  ? mark_held_locks+0x130/0x130
[  240.140608]  ? __lock_acquire+0x7ec/0x4ec0
[  240.144845]  ? mem_cgroup_charge_statistics+0x780/0x780
[  240.150211]  ? print_usage_bug+0xc0/0xc0
[  240.154281]  ? print_usage_bug+0xc0/0xc0
[  240.158354]  ? graph_lock+0x170/0x170
[  240.162152]  ? graph_lock+0x170/0x170
[  240.165954]  ? print_usage_bug+0xc0/0xc0
[  240.170014]  ? print_usage_bug+0xc0/0xc0
[  240.174084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.179630]  ? find_held_lock+0x36/0x1c0
[  240.183722]  ? mark_held_locks+0xc7/0x130
[  240.187877]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  240.192984]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  240.198089]  ? lockdep_hardirqs_on+0x421/0x5c0
[  240.202677]  ? trace_hardirqs_on+0xbd/0x310
[  240.207014]  ? kasan_check_read+0x11/0x20
[  240.211166]  ? ___ratelimit+0x36f/0x655
[  240.215144]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  240.220595]  ? trace_hardirqs_on+0x310/0x310
[  240.225011]  ? lock_downgrade+0x900/0x900
[  240.229167]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  240.234286]  ? ___ratelimit+0xaa/0x655
[  240.238181]  ? idr_get_free+0xec0/0xec0
[  240.242159]  ? kasan_check_write+0x14/0x20
[  240.246397]  ? do_raw_spin_lock+0xc1/0x200
[  240.250644]  oom_kill_process.cold.27+0x10/0x903
[  240.255402]  ? graph_lock+0x170/0x170
[  240.259202]  ? _raw_spin_unlock+0x2c/0x50
[  240.263350]  ? oom_badness+0xe6/0xaa0
[  240.267159]  ? oom_evaluate_task+0x540/0x540
[  240.271585]  ? find_held_lock+0x36/0x1c0
[  240.275654]  ? out_of_memory+0x974/0x14c0
[  240.279803]  ? lock_downgrade+0x900/0x900
[  240.283954]  ? check_preemption_disabled+0x48/0x200
[  240.288980]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  240.294778]  ? kasan_check_read+0x11/0x20
[  240.298931]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  240.304211]  ? rcu_bh_qs+0xc0/0xc0
[  240.307756]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  240.312774]  ? oom_evaluate_task+0x302/0x540
[  240.317203]  out_of_memory+0xa86/0x14c0
[  240.321192]  ? oom_killer_disable+0x3a0/0x3a0
[  240.325693]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  240.330634]  ? __mutex_add_waiter+0x2a0/0x2a0
[  240.335142]  __alloc_pages_slowpath+0x2318/0x2d80
[  240.340019]  ? warn_alloc+0x120/0x120
[  240.343820]  ? __radix_tree_lookup+0x4c0/0x4c0
[  240.348418]  ? find_get_entry+0x2f2/0xc40
[  240.352582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.358139]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  240.363073]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.368612]  ? should_fail+0x22d/0xd01
[  240.372512]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.377619]  ? __lock_is_held+0xb5/0x140
[  240.381706]  ? __lock_is_held+0xb5/0x140
[  240.385772]  ? find_held_lock+0x36/0x1c0
[  240.389837]  ? ___might_sleep+0x1ed/0x300
[  240.393984]  ? lock_release+0x970/0x970
[  240.397962]  ? arch_local_save_flags+0x40/0x40
[  240.402560]  ? __might_sleep+0x95/0x190
[  240.406544]  __alloc_pages_nodemask+0xa80/0xde0
[  240.411221]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  240.416288]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  240.422089]  ? kasan_check_read+0x11/0x20
[  240.426254]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  240.431568]  ? graph_lock+0x170/0x170
[  240.435374]  ? print_usage_bug+0xc0/0xc0
[  240.439441]  ? graph_lock+0x170/0x170
[  240.443246]  ? graph_lock+0x170/0x170
[  240.447054]  ? __do_page_cache_readahead+0x7ce/0x980
[  240.452167]  ? find_held_lock+0x36/0x1c0
[  240.456263]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  240.461818]  alloc_pages_current+0x10c/0x210
[  240.466238]  ? lock_downgrade+0x900/0x900
[  240.470406]  __page_cache_alloc+0x38f/0x5b0
[  240.474735]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  240.480538]  ? kasan_check_read+0x11/0x20
[  240.484690]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  240.489972]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  240.494676]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.500232]  ? check_preemption_disabled+0x48/0x200
[  240.505259]  filemap_fault+0x1594/0x25f0
[  240.509341]  ? __lock_page_or_retry+0xa00/0xa00
[  240.514012]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  240.519814]  ? kasan_check_read+0x11/0x20
[  240.523968]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  240.529303]  ? rcu_bh_qs+0xc0/0xc0
[  240.532852]  ? print_usage_bug+0xc0/0xc0
[  240.536922]  ? filemap_map_pages+0xdea/0x1980
[  240.541427]  ? print_usage_bug+0xc0/0xc0
[  240.545506]  ? find_get_pages_range_tag+0x1320/0x1320
[  240.550704]  ? print_usage_bug+0xc0/0xc0
[  240.554766]  ? __lock_acquire+0x7ec/0x4ec0
[  240.559004]  ? graph_lock+0x170/0x170
[  240.562823]  ? __sigqueue_free.part.27+0x7d/0xa0
[  240.567598]  ? __lock_acquire+0x7ec/0x4ec0
[  240.571871]  ? lock_acquire+0x1ed/0x520
[  240.575848]  ? ext4_filemap_fault+0x7a/0xad
[  240.580177]  ? lock_release+0x970/0x970
[  240.584158]  ? arch_local_save_flags+0x40/0x40
[  240.588745]  ? mark_held_locks+0x130/0x130
[  240.593000]  ? down_read+0xb0/0x1d0
[  240.596630]  ? ext4_filemap_fault+0x7a/0xad
[  240.600957]  ? __down_interruptible+0x700/0x700
[  240.605651]  ? graph_lock+0x170/0x170
[  240.609466]  ? __sigqueue_free.part.27+0x7d/0xa0
[  240.614241]  ext4_filemap_fault+0x82/0xad
[  240.618399]  __do_fault+0x100/0x6b0
[  240.622031]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  240.627314]  ? print_bad_pte+0x6c0/0x6c0
[  240.631405]  ? pmd_val+0x88/0x100
[  240.634863]  ? add_mm_counter_fast+0xd0/0xd0
[  240.639278]  ? pmd_val+0x88/0x100
[  240.642759]  ? add_mm_counter_fast+0xd0/0xd0
[  240.647181]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.652726]  __handle_mm_fault+0x3709/0x53e0
[  240.657146]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  240.662006]  ? graph_lock+0x170/0x170
[  240.665818]  ? print_usage_bug+0xc0/0xc0
[  240.669892]  ? graph_lock+0x170/0x170
[  240.673698]  ? graph_lock+0x170/0x170
[  240.677552]  ? handle_mm_fault+0x42a/0xc70
[  240.681800]  ? lock_downgrade+0x900/0x900
[  240.685952]  ? check_preemption_disabled+0x48/0x200
[  240.690991]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  240.696793]  ? kasan_check_read+0x11/0x20
[  240.700943]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  240.706223]  ? rcu_bh_qs+0xc0/0xc0
[  240.709768]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  240.715222]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.720762]  ? check_preemption_disabled+0x48/0x200
[  240.725788]  handle_mm_fault+0x54f/0xc70
[  240.729873]  ? __handle_mm_fault+0x53e0/0x53e0
[  240.734635]  ? find_vma+0x34/0x190
[  240.738185]  __do_page_fault+0x67d/0xed0
[  240.742255]  ? mm_fault_error+0x380/0x380
[  240.746439]  ? syscall_slow_exit_work+0x520/0x520
[  240.751301]  do_page_fault+0xf2/0x7e0
[  240.755109]  ? vmalloc_sync_all+0x30/0x30
[  240.759268]  ? error_entry+0x70/0xd0
[  240.762987]  ? trace_hardirqs_off_caller+0xbb/0x300
[  240.768003]  ? trace_hardirqs_on_caller+0xc0/0x300
[  240.772938]  ? syscall_return_slowpath+0x5e0/0x5e0
[  240.777870]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.782716]  ? trace_hardirqs_off+0x300/0x300
[  240.787213]  ? trace_hardirqs_off_caller+0x300/0x300
[  240.792326]  ? prepare_exit_to_usermode+0x291/0x3b0
[  240.797347]  ? page_fault+0x8/0x30
[  240.800893]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.805744]  ? page_fault+0x8/0x30
[  240.809296]  page_fault+0x1e/0x30
[  240.812756] RIP: 0033:0x45db60
[  240.815959] Code: Bad RIP value.
[  240.819320] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  240.824685] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  240.831952] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  240.839232] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  240.846509] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  240.853777] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  240.861081] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  240.861088] warn_alloc_show_mem: 1 callbacks suppressed
[  240.861095] Mem-Info:
[  240.868301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  240.873716] active_anon:41581 inactive_anon:372 isolated_anon:0
[  240.873716]  active_file:17 inactive_file:16 isolated_file:0
[  240.873716]  unevictable:0 dirty:0 writeback:0 unstable:0
[  240.873716]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  240.873716]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  240.873716]  free:13699 free_pcp:281 free_cma:0
[  240.876090] Call Trace:
[  240.885490] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  240.918339]  <IRQ>
[  240.920942] Node 0 
[  240.948552]  dump_stack+0x1c4/0x2b4
[  240.950709] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  240.952921]  ? dump_stack_print_info.cold.2+0x52/0x52
[  240.956519] lowmem_reserve[]: 0
[  240.982036]  warn_alloc.cold.118+0xb7/0x1bd
[  240.987195]  2817
[  240.990476]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  240.994775]  6321 6321
[  240.996846]  ? lock_downgrade+0x900/0x900
[  241.001666] Node 0 
[  241.004165]  ? trace_hardirqs_off+0xb8/0x300
[  241.008310] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  241.010526]  ? trace_hardirqs_off+0xb8/0x300
[  241.014913] lowmem_reserve[]:
[  241.041891]  __alloc_pages_slowpath+0x2667/0x2d80
[  241.046277]  0
[  241.049398]  ? warn_alloc+0x120/0x120
[  241.054206]  0 3503
[  241.056014]  ? trace_hardirqs_on+0x310/0x310
[  241.059793]  3503
[  241.062056]  ? warn_alloc+0x120/0x120
[  241.068511]  ? print_usage_bug+0xc0/0xc0
[  241.072320] Node 0 
[  241.076377]  ? warn_alloc+0x120/0x120
[  241.076408] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  241.076416] lowmem_reserve[]:
[  241.078653]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  241.082427]  0 0
[  241.110943]  ? print_usage_bug+0xc0/0xc0
[  241.114027]  0
[  241.119039]  ? __lock_acquire+0x7ec/0x4ec0
[  241.121008]  0
[  241.125068]  ? __lock_acquire+0x7ec/0x4ec0
[  241.126862] Node 0 
[  241.131120]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.132897] DMA: 
[  241.137127]  ? should_fail+0x22d/0xd01
[  241.139339] 1*4kB 
[  241.144870]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.146924] (U) 
[  241.150805]  ? __lock_acquire+0x7ec/0x4ec0
[  241.152938] 0*8kB 
[  241.158070]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.160026] 0*16kB 
[  241.164253]  ? __lock_acquire+0x7ec/0x4ec0
[  241.166399] 1*32kB 
[  241.171502]  ? should_fail+0x22d/0xd01
[  241.173720] (U) 
[  241.178006]  ? print_usage_bug+0xc0/0xc0
[  241.180225] 2*64kB 
[  241.184112]  ? mark_held_locks+0x130/0x130
[  241.186054] (U) 1*128kB 
[  241.190124]  ? mark_held_locks+0x130/0x130
[  241.192339] (U) 
[  241.196572]  ? graph_lock+0x170/0x170
[  241.199216] 1*256kB 
[  241.203444]  ? print_usage_bug+0xc0/0xc0
[  241.205398] (U) 
[  241.209208]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  241.211527] 0*512kB 
[  241.215584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.217534] 1*1024kB 
[  241.222284]  ? check_preemption_disabled+0x48/0x200
[  241.224608] (U) 
[  241.230143]  ? check_preemption_disabled+0x48/0x200
[  241.232533] 1*2048kB 
[  241.237549]  ? __lock_is_held+0xb5/0x140
[  241.239504] (M) 
[  241.244526]  __alloc_pages_nodemask+0xa80/0xde0
[  241.246916] 3*4096kB 
[  241.250972]  ? graph_lock+0x170/0x170
[  241.252930] (M) 
[  241.257596]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  241.259986] = 15908kB
[  241.263785]  ? graph_lock+0x170/0x170
[  241.265741] Node 0 
[  241.270754]  ? find_held_lock+0x36/0x1c0
[  241.273136] DMA32: 
[  241.276952]  ? ____cache_alloc_node+0x1c7/0x1e0
[  241.279162] 2*4kB 
[  241.283236]  ? lock_downgrade+0x900/0x900
[  241.285477] (M) 
[  241.290170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.292294] 1*8kB (U) 
[  241.296459]  cache_grow_begin+0x91/0x8c0
[  241.298439] 3*16kB 
[  241.303973]  ? do_raw_spin_unlock+0xa7/0x2f0
[  241.306486] (M) 
[  241.310576]  fallback_alloc+0x203/0x2e0
[  241.312787] 1*32kB 
[  241.317197]  ____cache_alloc_node+0x1c7/0x1e0
[  241.319149] (M) 
[  241.323120]  kmem_cache_alloc_node+0xe3/0x730
[  241.325333] 3*64kB 
[  241.329826]  ? ipv6_get_ifaddr+0x42e/0x620
[  241.331772] (UM) 3*128kB (M) 
[  241.336282]  __alloc_skb+0x119/0x770
[  241.338504] 3*256kB 
[  241.342736]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  241.345818] (UM) 
[  241.349527]  ? skb_scrub_packet+0x490/0x490
[  241.351826] 4*512kB (UM) 
[  241.357118]  ? lock_downgrade+0x900/0x900
[  241.359161] 3*1024kB 
[  241.363491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.366241] (M) 
[  241.370396]  ? refcount_sub_and_test_checked+0x203/0x310
[  241.372775] 1*2048kB (U) 
[  241.378315]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  241.380275] 4*4096kB 
[  241.385717]  ? addrconf_rs_timer+0x6f0/0x6f0
[  241.388454] (M) = 24992kB
[  241.393977]  ndisc_alloc_skb+0x144/0x340
[  241.396357] Node 0 
[  241.400765]  ndisc_send_rs+0x331/0x6e0
[  241.403512] Normal: 
[  241.407582]  addrconf_rs_timer+0x3c0/0x6f0
[  241.409798] 882*4kB 
[  241.413677]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.415975] (UME) 
[  241.420241]  call_timer_fn+0x272/0x920
[  241.422534] 426*8kB 
[  241.426765]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.428891] (MEH) 
[  241.432781]  ? process_timeout+0x40/0x40
[  241.435091] 175*16kB 
[  241.439323]  ? find_held_lock+0x36/0x1c0
[  241.441460] (UME) 
[  241.445542]  ? __run_timers+0x7da/0xc70
[  241.447953] 71*32kB 
[  241.452042]  ? _raw_spin_unlock_irq+0x27/0x80
[  241.454173] (UMEH) 
[  241.458168]  ? _raw_spin_unlock_irq+0x27/0x80
[  241.460473] 10*64kB 
[  241.464975]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.467363] (UMH) 
[  241.471945]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  241.474250] 2*128kB 
[  241.478491]  ? trace_hardirqs_on+0xbd/0x310
[  241.480618] (H) 
[  241.485218]  ? kasan_check_read+0x11/0x20
[  241.487521] 0*256kB 
[  241.491836]  ? __run_timers+0x7da/0xc70
[  241.493789] 2*512kB 
[  241.497944]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  241.500244] (UH) 
[  241.504218]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.506519] 0*1024kB 
[  241.511968]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.514017] 0*2048kB 
[  241.518250]  __run_timers+0x7e5/0xc70
[  241.520638] 0*4096kB 
[  241.524879]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  241.527253] = 13928kB
[  241.527268] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  241.531069]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  241.533473] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  241.538830]  ? graph_lock+0x170/0x170
[  241.541221] 412 total pagecache pages
[  241.550049]  ? enqueue_hrtimer+0x1a5/0x560
[  241.555053] 0 pages in swap cache
[  241.563616]  ? lock_release+0x970/0x970
[  241.567392] Swap cache stats: add 0, delete 0, find 0/0
[  241.567400] Free swap  = 0kB
[  241.571196]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  241.575408] Total swap = 0kB
[  241.578861]  ? find_held_lock+0x36/0x1c0
[  241.582811] 1965979 pages RAM
[  241.588186]  ? graph_lock+0x170/0x170
[  241.591188] 0 pages HighMem/MovableOnly
[  241.596371]  ? pvclock_read_flags+0x160/0x160
[  241.599368] 342744 pages reserved
[  241.603428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.606512] 0 pages cma reserved
[  241.610316]  ? check_preemption_disabled+0x48/0x200
[  241.614353] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  241.618775]  ? __lock_is_held+0xb5/0x140
[  241.618793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.622303] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  241.627764]  ? check_preemption_disabled+0x48/0x200
[  241.631109] syz-fuzzer cpuset=
[  241.636126]  run_timer_softirq+0x52/0xb0
[  241.642595] /
[  241.646654]  ? rcu_read_lock_sched_held+0x108/0x120
[  241.652167]  mems_allowed=0
[  241.662385]  __do_softirq+0x30b/0xad8
[  241.688040]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  241.693151]  ? pvclock_read_flags+0x160/0x160
[  241.697659]  ? lapic_next_event+0x5a/0x90
[  241.701810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.707351]  ? check_preemption_disabled+0x48/0x200
[  241.712365]  ? check_preemption_disabled+0x48/0x200
[  241.717389]  ? kvm_clock_read+0x18/0x30
[  241.721366]  ? kvm_sched_clock_read+0x9/0x20
[  241.725786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.731336]  ? check_preemption_disabled+0x48/0x200
[  241.736567]  irq_exit+0x17f/0x1c0
[  241.740030]  smp_apic_timer_interrupt+0x1cb/0x760
[  241.744874]  ? smp_reschedule_interrupt+0x109/0x650
[  241.749894]  ? smp_call_function_single_interrupt+0x650/0x650
[  241.755786]  ? interrupt_entry+0xb5/0xf0
[  241.759862]  ? trace_hardirqs_off_caller+0xbb/0x300
[  241.764879]  ? trace_hardirqs_off_caller+0xbb/0x300
[  241.769899]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.774759]  ? trace_hardirqs_off+0x300/0x300
[  241.779277]  ? trace_hardirqs_off+0x300/0x300
[  241.783781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.789324]  ? check_preemption_disabled+0x48/0x200
[  241.794342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.799895]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.804749]  apic_timer_interrupt+0xf/0x20
[  241.809000]  </IRQ>
[  241.811238] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  241.816167] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  241.835068] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  241.843025] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  241.850295] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  241.857562] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  241.864831] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  241.872098] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  241.879416]  skb_clone+0x1bb/0x500
[  241.882985]  ? finish_task_switch+0x2f5/0x900
[  241.887489]  ? skb_split+0x11e0/0x11e0
[  241.891384]  ? preempt_notifier_register+0x200/0x200
[  241.896512]  ? __switch_to_asm+0x34/0x70
[  241.900577]  ? __switch_to_asm+0x34/0x70
[  241.904651]  ? __switch_to_asm+0x40/0x70
[  241.908711]  ? __switch_to_asm+0x34/0x70
[  241.912775]  ? __switch_to_asm+0x40/0x70
[  241.916849]  ? __switch_to_asm+0x34/0x70
[  241.920907]  ? __switch_to_asm+0x40/0x70
[  241.924970]  ? __switch_to_asm+0x34/0x70
[  241.929037]  ? __switch_to_asm+0x34/0x70
[  241.933101]  ? __switch_to_asm+0x40/0x70
[  241.937181]  ? __switch_to_asm+0x34/0x70
[  241.941268]  bpf_clone_redirect+0xb9/0x490
[  241.945523]  ? __schedule+0x874/0x1ed0
[  241.949431]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  241.954475]  ? __sched_text_start+0x8/0x8
[  241.958648]  ? lockdep_hardirqs_on+0x421/0x5c0
[  241.963229]  ? retint_kernel+0x2d/0x2d
[  241.967120]  ? trace_hardirqs_on_caller+0xc0/0x300
[  241.972048]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  241.976811]  ? find_held_lock+0x36/0x1c0
[  241.980878]  ? lock_acquire+0x1ed/0x520
[  241.984855]  ? bpf_test_run+0x32e/0x5a0
[  241.988829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.994373]  ? check_preemption_disabled+0x48/0x200
[  241.999435]  ? kasan_check_read+0x11/0x20
[  242.003616]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  242.008893]  ? rcu_bh_qs+0xc0/0xc0
[  242.012440]  ? preempt_schedule+0x4d/0x60
[  242.016594]  ? ___preempt_schedule+0x16/0x18
[  242.021010]  ? bpf_test_run+0x1c0/0x5a0
[  242.024995]  ? netlink_diag_dump+0x2a0/0x2a0
[  242.029406]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.034954]  ? bpf_test_init.isra.9+0x70/0x100
[  242.039542]  ? bpf_prog_test_run_skb+0x634/0xb40
[  242.044312]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  242.049183]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  242.054718]  ? fput+0x130/0x1a0
[  242.058001]  ? __bpf_prog_get+0x9b/0x290
[  242.062068]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  242.066914]  ? bpf_prog_test_run+0x130/0x1a0
[  242.071325]  ? __x64_sys_bpf+0x3d8/0x510
[  242.075387]  ? bpf_prog_get+0x20/0x20
[  242.079210]  ? ksys_ioctl+0x81/0xd0
[  242.082848]  ? do_syscall_64+0x1b9/0x820
[  242.086907]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  242.092276]  ? syscall_return_slowpath+0x5e0/0x5e0
[  242.097223]  ? trace_hardirqs_off+0x300/0x300
[  242.101720]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  242.106738]  ? recalc_sigpending_tsk+0x180/0x180
[  242.111509]  ? kasan_check_write+0x14/0x20
[  242.115752]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.120612]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  242.125997] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  242.126093] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  242.132932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  242.132942] Call Trace:
[  242.139552] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  242.148848]  <IRQ>
[  242.151418] syz-executor4 cpuset=
[  242.161897]  dump_stack+0x1c4/0x2b4
[  242.164059] syz4
[  242.167525]  ? dump_stack_print_info.cold.2+0x52/0x52
[  242.171135]  mems_allowed=0
[  242.173127]  warn_alloc.cold.118+0xb7/0x1bd
[  242.185523]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  242.190370]  ? lock_downgrade+0x900/0x900
[  242.194527]  ? trace_hardirqs_off+0xb8/0x300
[  242.198941]  ? trace_hardirqs_off+0xb8/0x300
[  242.203356]  __alloc_pages_slowpath+0x2667/0x2d80
[  242.208226]  ? warn_alloc+0x120/0x120
[  242.212029]  ? warn_alloc+0x120/0x120
[  242.215832]  ? print_usage_bug+0xc0/0xc0
[  242.219895]  ? warn_alloc+0x120/0x120
[  242.223707]  ? print_usage_bug+0xc0/0xc0
[  242.227800]  ? __lock_acquire+0x7ec/0x4ec0
[  242.232034]  ? __lock_acquire+0x7ec/0x4ec0
[  242.236290]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.241840]  ? should_fail+0x22d/0xd01
[  242.245750]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.250878]  ? __lock_acquire+0x7ec/0x4ec0
[  242.255125]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.260229]  ? __lock_acquire+0x7ec/0x4ec0
[  242.264487]  ? should_fail+0x22d/0xd01
[  242.268387]  ? mark_held_locks+0x130/0x130
[  242.272634]  ? mark_held_locks+0x130/0x130
[  242.276872]  ? graph_lock+0x170/0x170
[  242.280682]  ? graph_lock+0x170/0x170
[  242.284506]  ? graph_lock+0x170/0x170
[  242.288310]  ? print_usage_bug+0xc0/0xc0
[  242.292370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.297907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.303446]  ? check_preemption_disabled+0x48/0x200
[  242.308471]  ? check_preemption_disabled+0x48/0x200
[  242.313517]  ? __lock_is_held+0xb5/0x140
[  242.317593]  __alloc_pages_nodemask+0xa80/0xde0
[  242.322299]  ? graph_lock+0x170/0x170
[  242.326154]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  242.331169]  ? graph_lock+0x170/0x170
[  242.334980]  ? find_held_lock+0x36/0x1c0
[  242.339054]  ? ____cache_alloc_node+0x1c7/0x1e0
[  242.343727]  ? lock_downgrade+0x900/0x900
[  242.347884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.353453]  cache_grow_begin+0x91/0x8c0
[  242.357528]  ? do_raw_spin_unlock+0xa7/0x2f0
[  242.361951]  fallback_alloc+0x203/0x2e0
[  242.365935]  ____cache_alloc_node+0x1c7/0x1e0
[  242.370438]  kmem_cache_alloc_node+0xe3/0x730
[  242.374939]  ? ipv6_get_ifaddr+0x42e/0x620
[  242.379188]  __alloc_skb+0x119/0x770
[  242.382908]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  242.388189]  ? skb_scrub_packet+0x490/0x490
[  242.392518]  ? lock_downgrade+0x900/0x900
[  242.396673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.402215]  ? refcount_sub_and_test_checked+0x203/0x310
[  242.407672]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  242.413129]  ? addrconf_rs_timer+0x6f0/0x6f0
[  242.417551]  ndisc_alloc_skb+0x144/0x340
[  242.421618]  ndisc_send_rs+0x331/0x6e0
[  242.425518]  addrconf_rs_timer+0x3c0/0x6f0
[  242.429762]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.434016]  call_timer_fn+0x272/0x920
[  242.437904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.442154]  ? process_timeout+0x40/0x40
[  242.446230]  ? find_held_lock+0x36/0x1c0
[  242.450327]  ? mark_held_locks+0xc7/0x130
[  242.454488]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.458987]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.463495]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.467735]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  242.472342]  ? trace_hardirqs_on+0xbd/0x310
[  242.476667]  ? kasan_check_read+0x11/0x20
[  242.480831]  ? __run_timers+0x7da/0xc70
[  242.484810]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  242.490265]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.494522]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.498761]  __run_timers+0x7e5/0xc70
[  242.502579]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  242.507953]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  242.512968]  ? graph_lock+0x170/0x170
[  242.516772]  ? print_usage_bug+0xc0/0xc0
[  242.520833]  ? lock_release+0x970/0x970
[  242.524811]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  242.530037]  ? find_held_lock+0x36/0x1c0
[  242.534119]  ? graph_lock+0x170/0x170
[  242.537923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.543465]  ? check_preemption_disabled+0x48/0x200
[  242.548511]  ? __lock_is_held+0xb5/0x140
[  242.552587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.558124]  ? check_preemption_disabled+0x48/0x200
[  242.563147]  run_timer_softirq+0x52/0xb0
[  242.567206]  ? rcu_read_lock_sched_held+0x108/0x120
[  242.572225]  __do_softirq+0x30b/0xad8
[  242.576038]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  242.581146]  ? pvclock_read_flags+0x160/0x160
[  242.585639]  ? lapic_next_event+0x5a/0x90
[  242.589789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.595333]  ? check_preemption_disabled+0x48/0x200
[  242.600347]  ? check_preemption_disabled+0x48/0x200
[  242.605401]  ? kvm_clock_read+0x18/0x30
[  242.609407]  ? kvm_sched_clock_read+0x9/0x20
[  242.613868]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.619425]  ? check_preemption_disabled+0x48/0x200
[  242.624456]  irq_exit+0x17f/0x1c0
[  242.627932]  smp_apic_timer_interrupt+0x1cb/0x760
[  242.632778]  ? smp_reschedule_interrupt+0x109/0x650
[  242.637797]  ? smp_call_function_single_interrupt+0x650/0x650
[  242.643686]  ? interrupt_entry+0xb5/0xf0
[  242.647752]  ? trace_hardirqs_off_caller+0xbb/0x300
[  242.652772]  ? trace_hardirqs_off_caller+0xbb/0x300
[  242.657807]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.662653]  ? trace_hardirqs_off+0x300/0x300
[  242.667161]  ? trace_hardirqs_off+0x300/0x300
[  242.671663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.677205]  ? check_preemption_disabled+0x48/0x200
[  242.682223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.687773]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.692629]  apic_timer_interrupt+0xf/0x20
[  242.696864]  </IRQ>
[  242.699104] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  242.704384] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  242.723286] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  242.731030] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  242.738492] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  242.745763] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  242.753029] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  242.760306] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  242.767601]  ? arch_local_irq_restore+0x45/0x52
[  242.772286]  dump_stack+0x26a/0x2b4
[  242.775930]  ? dump_stack_print_info.cold.2+0x52/0x52
[  242.781132]  ? mark_held_locks+0x130/0x130
[  242.785380]  ? mark_held_locks+0x130/0x130
[  242.789637]  dump_header+0x27b/0xf72
[  242.793365]  ? pagefault_out_of_memory+0x197/0x197
[  242.798315]  ? mark_held_locks+0x130/0x130
[  242.802551]  ? __lock_acquire+0x7ec/0x4ec0
[  242.806796]  ? mem_cgroup_charge_statistics+0x780/0x780
[  242.812164]  ? print_usage_bug+0xc0/0xc0
[  242.816244]  ? print_usage_bug+0xc0/0xc0
[  242.820334]  ? graph_lock+0x170/0x170
[  242.824132]  ? graph_lock+0x170/0x170
[  242.828019]  ? print_usage_bug+0xc0/0xc0
[  242.832094]  ? print_usage_bug+0xc0/0xc0
[  242.836163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.841712]  ? find_held_lock+0x36/0x1c0
[  242.845782]  ? mark_held_locks+0xc7/0x130
[  242.849935]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  242.855042]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  242.860146]  ? lockdep_hardirqs_on+0x421/0x5c0
[  242.864733]  ? trace_hardirqs_on+0xbd/0x310
[  242.869058]  ? kasan_check_read+0x11/0x20
[  242.873214]  ? ___ratelimit+0x36f/0x655
[  242.877189]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  242.882641]  ? trace_hardirqs_on+0x310/0x310
[  242.887052]  ? lock_downgrade+0x900/0x900
[  242.891211]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  242.896320]  ? ___ratelimit+0xaa/0x655
[  242.900210]  ? idr_get_free+0xec0/0xec0
[  242.904217]  ? kasan_check_write+0x14/0x20
[  242.908469]  ? do_raw_spin_lock+0xc1/0x200
[  242.912816]  oom_kill_process.cold.27+0x10/0x903
[  242.917574]  ? graph_lock+0x170/0x170
[  242.921376]  ? _raw_spin_unlock+0x2c/0x50
[  242.925523]  ? oom_badness+0xe6/0xaa0
[  242.929341]  ? oom_evaluate_task+0x540/0x540
[  242.933760]  ? find_held_lock+0x36/0x1c0
[  242.937834]  ? out_of_memory+0x974/0x14c0
[  242.941991]  ? lock_downgrade+0x900/0x900
[  242.946149]  ? check_preemption_disabled+0x48/0x200
[  242.951180]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  242.956992]  ? kasan_check_read+0x11/0x20
[  242.961156]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  242.966439]  ? rcu_bh_qs+0xc0/0xc0
[  242.969984]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  242.975006]  ? oom_evaluate_task+0x302/0x540
[  242.979420]  out_of_memory+0xa86/0x14c0
[  242.983402]  ? oom_killer_disable+0x3a0/0x3a0
[  242.987922]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  242.992855]  ? __mutex_add_waiter+0x2a0/0x2a0
[  242.997371]  __alloc_pages_slowpath+0x2318/0x2d80
[  243.002244]  ? warn_alloc+0x120/0x120
[  243.006060]  ? __radix_tree_lookup+0x4c0/0x4c0
[  243.010681]  ? find_get_entry+0x2f2/0xc40
[  243.014838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.020376]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  243.025318]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.030854]  ? should_fail+0x22d/0xd01
[  243.034757]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.039876]  ? __lock_is_held+0xb5/0x140
[  243.043985]  ? __lock_is_held+0xb5/0x140
[  243.048051]  ? find_held_lock+0x36/0x1c0
[  243.052114]  ? ___might_sleep+0x1ed/0x300
[  243.056259]  ? lock_release+0x970/0x970
[  243.060239]  ? arch_local_save_flags+0x40/0x40
[  243.064834]  ? __might_sleep+0x95/0x190
[  243.068815]  __alloc_pages_nodemask+0xa80/0xde0
[  243.074717]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  243.079739]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  243.085549]  ? kasan_check_read+0x11/0x20
[  243.089713]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  243.095012]  ? graph_lock+0x170/0x170
[  243.098821]  ? print_usage_bug+0xc0/0xc0
[  243.102887]  ? graph_lock+0x170/0x170
[  243.106711]  ? graph_lock+0x170/0x170
[  243.110513]  ? __do_page_cache_readahead+0x7ce/0x980
[  243.115628]  ? find_held_lock+0x36/0x1c0
[  243.119701]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  243.125278]  alloc_pages_current+0x10c/0x210
[  243.129700]  ? lock_downgrade+0x900/0x900
[  243.133853]  __page_cache_alloc+0x38f/0x5b0
[  243.138193]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  243.143989]  ? kasan_check_read+0x11/0x20
[  243.148140]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  243.153431]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  243.158103]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.163655]  ? check_preemption_disabled+0x48/0x200
[  243.168712]  filemap_fault+0x1594/0x25f0
[  243.172787]  ? __lock_page_or_retry+0xa00/0xa00
[  243.177454]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  243.183266]  ? kasan_check_read+0x11/0x20
[  243.187798]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  243.193078]  ? rcu_bh_qs+0xc0/0xc0
[  243.196623]  ? print_usage_bug+0xc0/0xc0
[  243.200692]  ? filemap_map_pages+0xdea/0x1980
[  243.205202]  ? print_usage_bug+0xc0/0xc0
[  243.209275]  ? find_get_pages_range_tag+0x1320/0x1320
[  243.214475]  ? print_usage_bug+0xc0/0xc0
[  243.218539]  ? __lock_acquire+0x7ec/0x4ec0
[  243.222776]  ? graph_lock+0x170/0x170
[  243.226577]  ? __sigqueue_free.part.27+0x7d/0xa0
[  243.231341]  ? __lock_acquire+0x7ec/0x4ec0
[  243.235601]  ? lock_acquire+0x1ed/0x520
[  243.239588]  ? ext4_filemap_fault+0x7a/0xad
[  243.244005]  ? lock_release+0x970/0x970
[  243.247986]  ? arch_local_save_flags+0x40/0x40
[  243.252567]  ? mark_held_locks+0x130/0x130
[  243.256814]  ? down_read+0xb0/0x1d0
[  243.260440]  ? ext4_filemap_fault+0x7a/0xad
[  243.264762]  ? __down_interruptible+0x700/0x700
[  243.269429]  ? graph_lock+0x170/0x170
[  243.273241]  ? __sigqueue_free.part.27+0x7d/0xa0
[  243.278021]  ext4_filemap_fault+0x82/0xad
[  243.282187]  __do_fault+0x100/0x6b0
[  243.285814]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  243.291090]  ? print_bad_pte+0x6c0/0x6c0
[  243.295154]  ? pmd_val+0x88/0x100
[  243.298625]  ? add_mm_counter_fast+0xd0/0xd0
[  243.303033]  ? pmd_val+0x88/0x100
[  243.306509]  ? add_mm_counter_fast+0xd0/0xd0
[  243.310927]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.316486]  __handle_mm_fault+0x3709/0x53e0
[  243.320919]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  243.325789]  ? graph_lock+0x170/0x170
[  243.329595]  ? print_usage_bug+0xc0/0xc0
[  243.333668]  ? graph_lock+0x170/0x170
[  243.337471]  ? graph_lock+0x170/0x170
[  243.341306]  ? handle_mm_fault+0x42a/0xc70
[  243.345541]  ? lock_downgrade+0x900/0x900
[  243.349694]  ? check_preemption_disabled+0x48/0x200
[  243.354719]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  243.360523]  ? kasan_check_read+0x11/0x20
[  243.364669]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  243.369949]  ? rcu_bh_qs+0xc0/0xc0
[  243.373500]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  243.378958]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.384502]  ? check_preemption_disabled+0x48/0x200
[  243.389528]  handle_mm_fault+0x54f/0xc70
[  243.393595]  ? __handle_mm_fault+0x53e0/0x53e0
[  243.398177]  ? find_vma+0x34/0x190
[  243.401726]  __do_page_fault+0x67d/0xed0
[  243.405796]  ? mm_fault_error+0x380/0x380
[  243.409952]  ? syscall_slow_exit_work+0x520/0x520
[  243.414838]  do_page_fault+0xf2/0x7e0
[  243.418672]  ? vmalloc_sync_all+0x30/0x30
[  243.422831]  ? error_entry+0x70/0xd0
[  243.426545]  ? trace_hardirqs_off_caller+0xbb/0x300
[  243.431710]  ? trace_hardirqs_on_caller+0xc0/0x300
[  243.436644]  ? syscall_return_slowpath+0x5e0/0x5e0
[  243.441572]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.446427]  ? trace_hardirqs_off+0x300/0x300
[  243.450922]  ? trace_hardirqs_off_caller+0x300/0x300
[  243.456032]  ? prepare_exit_to_usermode+0x291/0x3b0
[  243.461051]  ? page_fault+0x8/0x30
[  243.464607]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.469454]  ? page_fault+0x8/0x30
[  243.473045]  page_fault+0x1e/0x30
[  243.476506] RIP: 0033:0x45db60
[  243.479706] Code: Bad RIP value.
[  243.483068] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  243.488442] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  243.495709] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  243.502977] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  243.510243] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  243.517517] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  243.524814] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  243.524819] warn_alloc_show_mem: 1 callbacks suppressed
[  243.524826] Mem-Info:
[  243.532030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  243.537399] active_anon:41581 inactive_anon:372 isolated_anon:0
[  243.537399]  active_file:17 inactive_file:16 isolated_file:0
[  243.537399]  unevictable:0 dirty:0 writeback:0 unstable:0
[  243.537399]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  243.537399]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  243.537399]  free:13699 free_pcp:281 free_cma:0
[  243.539774] Call Trace:
[  243.549152] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  243.582005]  <IRQ>
[  243.584584] Node 0 
[  243.612172]  dump_stack+0x1c4/0x2b4
[  243.614335] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  243.616542]  ? dump_stack_print_info.cold.2+0x52/0x52
[  243.620138] lowmem_reserve[]: 0
[  243.646642]  warn_alloc.cold.118+0xb7/0x1bd
[  243.651823]  2817
[  243.655112]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  243.659406]  6321 6321
[  243.661487]  ? lock_downgrade+0x900/0x900
[  243.666306] Node 0 
[  243.668824]  ? trace_hardirqs_off+0xb8/0x300
[  243.672968] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  243.675177]  ? trace_hardirqs_off+0xb8/0x300
[  243.679556] lowmem_reserve[]: 0
[  243.706553]  __alloc_pages_slowpath+0x2667/0x2d80
[  243.710935]  0
[  243.714233]  ? warn_alloc+0x120/0x120
[  243.719021]  3503 3503
[  243.720833]  ? trace_hardirqs_on+0x310/0x310
[  243.724632] Node 0 
[  243.727126]  ? warn_alloc+0x120/0x120
[  243.731540] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  243.733928]  ? print_usage_bug+0xc0/0xc0
[  243.737731] lowmem_reserve[]:
[  243.766117]  ? warn_alloc+0x120/0x120
[  243.770159]  0 0
[  243.773273]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  243.777049]  0
[  243.779025]  ? print_usage_bug+0xc0/0xc0
[  243.784014]  0
[  243.785815]  ? __lock_acquire+0x7ec/0x4ec0
[  243.789855] Node 0 
[  243.791663]  ? __lock_acquire+0x7ec/0x4ec0
[  243.795875] DMA: 
[  243.798108]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.802322] 1*4kB 
[  243.804384]  ? should_fail+0x22d/0xd01
[  243.809907] (U) 
[  243.812068]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.815933] 0*8kB 
[  243.817910]  ? __lock_acquire+0x7ec/0x4ec0
[  243.822981] 0*16kB 1*32kB 
[  243.825141]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.829353] (U) 
[  243.832192]  ? __lock_acquire+0x7ec/0x4ec0
[  243.837276] 2*64kB 
[  243.839242]  ? should_fail+0x22d/0xd01
[  243.843967] (U) 1*128kB 
[  243.846228]  ? print_usage_bug+0xc0/0xc0
[  243.850096] (U) 
[  243.852776]  ? mark_held_locks+0x130/0x130
[  243.856798] 1*256kB (U) 
[  243.858784]  ? mark_held_locks+0x130/0x130
[  243.862993] 0*512kB 
[  243.865664]  ? graph_lock+0x170/0x170
[  243.869888] 1*1024kB (U) 
[  243.872231]  ? print_usage_bug+0xc0/0xc0
[  243.876012] 1*2048kB 
[  243.878774]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  243.878787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.878799]  ? check_preemption_disabled+0x48/0x200
[  243.878807]  ? check_preemption_disabled+0x48/0x200
[  243.878820]  ? __lock_is_held+0xb5/0x140
[  243.878833]  __alloc_pages_nodemask+0xa80/0xde0
[  243.878842]  ? graph_lock+0x170/0x170
[  243.878853]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  243.878859]  ? graph_lock+0x170/0x170
[  243.878872]  ? find_held_lock+0x36/0x1c0
[  243.878888]  ? ____cache_alloc_node+0x1c7/0x1e0
[  243.878896]  ? lock_downgrade+0x900/0x900
[  243.878908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.878919]  cache_grow_begin+0x91/0x8c0
[  243.878928]  ? do_raw_spin_unlock+0xa7/0x2f0
[  243.878940]  fallback_alloc+0x203/0x2e0
[  243.878951]  ____cache_alloc_node+0x1c7/0x1e0
[  243.878976]  kmem_cache_alloc_node+0xe3/0x730
[  243.878985]  ? ipv6_get_ifaddr+0x42e/0x620
[  243.878998]  __alloc_skb+0x119/0x770
[  243.879007]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  243.879016]  ? skb_scrub_packet+0x490/0x490
[  243.879023]  ? lock_downgrade+0x900/0x900
[  243.879034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.879042]  ? refcount_sub_and_test_checked+0x203/0x310
[  243.879052]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  243.879060]  ? addrconf_rs_timer+0x6f0/0x6f0
[  243.879074]  ndisc_alloc_skb+0x144/0x340
[  243.879084]  ndisc_send_rs+0x331/0x6e0
[  243.879094]  addrconf_rs_timer+0x3c0/0x6f0
[  243.879105]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.879119]  call_timer_fn+0x272/0x920
[  243.879126]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.879135]  ? process_timeout+0x40/0x40
[  243.879141]  ? find_held_lock+0x36/0x1c0
[  243.879153]  ? __run_timers+0x7da/0xc70
[  243.879163]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.879170]  ? _raw_spin_unlock_irq+0x27/0x80
[  243.879177]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.879184]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  243.879194]  ? trace_hardirqs_on+0xbd/0x310
[  243.879202]  ? kasan_check_read+0x11/0x20
[  243.879209]  ? __run_timers+0x7da/0xc70
[  243.879217]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  243.879228]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.879238]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  243.879245]  __run_timers+0x7e5/0xc70
[  243.879259]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  243.879275]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  243.879288]  ? graph_lock+0x170/0x170
[  243.879309]  ? enqueue_hrtimer+0x1a5/0x560
[  243.883363] (M) 
[  243.885776]  ? lock_release+0x970/0x970
[  243.890499] 3*4096kB (M) 
[  243.896044]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  243.901055] = 15908kB
[  243.906093]  ? find_held_lock+0x36/0x1c0
[  243.910125] Node 0 
[  243.914826]  ? graph_lock+0x170/0x170
[  243.918611] DMA32: 2*4kB 
[  243.923646]  ? pvclock_read_flags+0x160/0x160
[  243.927428] (M) 
[  243.931502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.936140] 1*8kB (U) 
[  243.940301]  ? check_preemption_disabled+0x48/0x200
[  243.945811] 3*16kB (M) 
[  243.949907]  ? __lock_is_held+0xb5/0x140
[  243.954281] 1*32kB (M) 
[  243.958267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.962738] 3*64kB (UM) 
[  243.967252]  ? check_preemption_disabled+0x48/0x200
[  243.971457] 3*128kB 
[  243.975175]  run_timer_softirq+0x52/0xb0
[  243.980422] (M) 
[  243.984741]  ? rcu_read_lock_sched_held+0x108/0x120
[  243.988906] 3*256kB (UM) 
[  243.994481]  __do_softirq+0x30b/0xad8
[  243.999895] 4*512kB 
[  244.005360]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  244.009758] (UM) 
[  244.013823]  ? pvclock_read_flags+0x160/0x160
[  244.017682] 3*1024kB 
[  244.021908]  ? lapic_next_event+0x5a/0x90
[  244.026122] (M) 
[  244.030013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.034243] 1*2048kB (U) 
[  244.038313]  ? check_preemption_disabled+0x48/0x200
[  244.042345] 4*4096kB 
[  244.046335]  ? check_preemption_disabled+0x48/0x200
[  244.050803] (M) 
[  244.055300]  ? kvm_clock_read+0x18/0x30
[  244.059510] = 24992kB
[  244.064102]  ? kvm_sched_clock_read+0x9/0x20
[  244.068400] Node 0 
[  244.072564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.076524] Normal: 882*4kB 
[  244.081988]  ? check_preemption_disabled+0x48/0x200
[  244.086195] (UME) 
[  244.090455]  irq_exit+0x17f/0x1c0
[  244.094303] 426*8kB 
[  244.099663]  smp_apic_timer_interrupt+0x1cb/0x760
[  244.104656] (MEH) 
[  244.108503]  ? smp_reschedule_interrupt+0x109/0x650
[  244.112728] 175*16kB 
[  244.114721]  ? smp_call_function_single_interrupt+0x650/0x650
[  244.118673] (UME) 
[  244.121429]  ? interrupt_entry+0xb5/0xf0
[  244.126595] 71*32kB 
[  244.129028]  ? trace_hardirqs_off_caller+0xbb/0x300
[  244.133067] (UMEH) 
[  244.135301]  ? trace_hardirqs_off_caller+0xbb/0x300
[  244.139069] 10*64kB (UMH) 
[  244.141835]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.146304] 2*128kB 
[  244.148276]  ? trace_hardirqs_off+0x300/0x300
[  244.153801] (H) 0*256kB 
[  244.156329]  ? trace_hardirqs_off+0x300/0x300
[  244.161328] 2*512kB 
[  244.163921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.167960] (UH) 
[  244.170547]  ? check_preemption_disabled+0x48/0x200
[  244.176065] 0*1024kB 
[  244.178733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.183723] 0*2048kB 
[  244.186046]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.190070] 0*4096kB = 13928kB
[  244.192069]  apic_timer_interrupt+0xf/0x20
[  244.197060] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  244.199796]  </IRQ>
[  244.203588] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  244.205917] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  244.210993] 412 total pagecache pages
[  244.213053] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  244.217562] 0 pages in swap cache
[  244.219954] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282
[  244.224079] Swap cache stats: add 0, delete 0, find 0/0
[  244.224088] Free swap  = 0kB
[  244.226049]  ORIG_RAX: ffffffffffffff13
[  244.231568] Total swap = 0kB
[  244.234314] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  244.239313] 1965979 pages RAM
[  244.241713] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  244.246706] 0 pages HighMem/MovableOnly
[  244.246716] 342744 pages reserved
[  244.248682] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  244.252651] 0 pages cma reserved
[  244.252746] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  244.255058] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  244.255071] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  244.259570] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  244.261732]  skb_clone+0x1bb/0x500
[  244.267216] syz-fuzzer cpuset=
[  244.270235]  ? finish_task_switch+0x2f5/0x900
[  244.275226] /
[  244.277370]  ? skb_split+0x11e0/0x11e0
[  244.280805]  mems_allowed=0
[  244.283149]  ? preempt_notifier_register+0x200/0x200
[  244.545985]  ? __switch_to_asm+0x34/0x70
[  244.550046]  ? __switch_to_asm+0x34/0x70
[  244.554140]  ? __switch_to_asm+0x40/0x70
[  244.558196]  ? __switch_to_asm+0x34/0x70
[  244.562249]  ? __switch_to_asm+0x40/0x70
[  244.566306]  ? __switch_to_asm+0x34/0x70
[  244.570371]  ? __switch_to_asm+0x40/0x70
[  244.574437]  ? __switch_to_asm+0x34/0x70
[  244.578514]  ? __switch_to_asm+0x34/0x70
[  244.582568]  ? __switch_to_asm+0x40/0x70
[  244.586621]  ? __switch_to_asm+0x34/0x70
[  244.590689]  bpf_clone_redirect+0xb9/0x490
[  244.594951]  ? __schedule+0x874/0x1ed0
[  244.598845]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  244.603890]  ? __sched_text_start+0x8/0x8
[  244.608099]  ? lockdep_hardirqs_on+0x421/0x5c0
[  244.612679]  ? retint_kernel+0x2d/0x2d
[  244.616566]  ? trace_hardirqs_on_caller+0xc0/0x300
[  244.621497]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  244.626250]  ? find_held_lock+0x36/0x1c0
[  244.630316]  ? lock_acquire+0x1ed/0x520
[  244.634299]  ? bpf_test_run+0x32e/0x5a0
[  244.638282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.643820]  ? check_preemption_disabled+0x48/0x200
[  244.648842]  ? kasan_check_read+0x11/0x20
[  244.653010]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  244.658286]  ? rcu_bh_qs+0xc0/0xc0
[  244.661832]  ? preempt_schedule+0x4d/0x60
[  244.666162]  ? ___preempt_schedule+0x16/0x18
[  244.670594]  ? bpf_test_run+0x1c0/0x5a0
[  244.674581]  ? netlink_diag_dump+0x2a0/0x2a0
[  244.679000]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.684537]  ? bpf_test_init.isra.9+0x70/0x100
[  244.689138]  ? bpf_prog_test_run_skb+0x634/0xb40
[  244.693904]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  244.698748]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  244.704294]  ? fput+0x130/0x1a0
[  244.707577]  ? __bpf_prog_get+0x9b/0x290
[  244.711639]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  244.716489]  ? bpf_prog_test_run+0x130/0x1a0
[  244.720910]  ? __x64_sys_bpf+0x3d8/0x510
[  244.724997]  ? bpf_prog_get+0x20/0x20
[  244.728814]  ? ksys_ioctl+0x81/0xd0
[  244.732554]  ? do_syscall_64+0x1b9/0x820
[  244.736619]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  244.741984]  ? syscall_return_slowpath+0x5e0/0x5e0
[  244.746919]  ? trace_hardirqs_off+0x300/0x300
[  244.751425]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  244.756438]  ? recalc_sigpending_tsk+0x180/0x180
[  244.761197]  ? kasan_check_write+0x14/0x20
[  244.765440]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.770291]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  244.775678] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  244.775798] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  244.782615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  244.782624] Call Trace:
[  244.789247] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  244.798468]  <IRQ>
[  244.801084] syz-executor4 cpuset=
[  244.811586]  dump_stack+0x1c4/0x2b4
[  244.813709] syz4
[  244.817153]  ? dump_stack_print_info.cold.2+0x52/0x52
[  244.820757]  mems_allowed=0
[  244.822748]  warn_alloc.cold.118+0xb7/0x1bd
[  244.835152]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  244.840524]  ? lock_downgrade+0x900/0x900
[  244.844691]  ? trace_hardirqs_off+0xb8/0x300
[  244.849107]  ? trace_hardirqs_off+0xb8/0x300
[  244.853524]  __alloc_pages_slowpath+0x2667/0x2d80
[  244.858417]  ? warn_alloc+0x120/0x120
[  244.862231]  ? trace_hardirqs_on+0x310/0x310
[  244.866639]  ? warn_alloc+0x120/0x120
[  244.870440]  ? print_usage_bug+0xc0/0xc0
[  244.874503]  ? warn_alloc+0x120/0x120
[  244.878316]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  244.883346]  ? print_usage_bug+0xc0/0xc0
[  244.887410]  ? __lock_acquire+0x7ec/0x4ec0
[  244.891656]  ? __lock_acquire+0x7ec/0x4ec0
[  244.895888]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.901424]  ? should_fail+0x22d/0xd01
[  244.905311]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.910416]  ? __lock_acquire+0x7ec/0x4ec0
[  244.914669]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.919768]  ? __lock_acquire+0x7ec/0x4ec0
[  244.923999]  ? should_fail+0x22d/0xd01
[  244.927886]  ? print_usage_bug+0xc0/0xc0
[  244.931957]  ? mark_held_locks+0x130/0x130
[  244.936209]  ? mark_held_locks+0x130/0x130
[  244.940494]  ? graph_lock+0x170/0x170
[  244.944300]  ? print_usage_bug+0xc0/0xc0
[  244.948364]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  244.953121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.958666]  ? check_preemption_disabled+0x48/0x200
[  244.963686]  ? check_preemption_disabled+0x48/0x200
[  244.968710]  ? __lock_is_held+0xb5/0x140
[  244.972776]  __alloc_pages_nodemask+0xa80/0xde0
[  244.977454]  ? graph_lock+0x170/0x170
[  244.981285]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  244.986296]  ? graph_lock+0x170/0x170
[  244.990108]  ? find_held_lock+0x36/0x1c0
[  244.994234]  ? ____cache_alloc_node+0x1c7/0x1e0
[  244.998921]  ? lock_downgrade+0x900/0x900
[  245.003076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.008618]  cache_grow_begin+0x91/0x8c0
[  245.012681]  ? do_raw_spin_unlock+0xa7/0x2f0
[  245.017110]  fallback_alloc+0x203/0x2e0
[  245.021090]  ____cache_alloc_node+0x1c7/0x1e0
[  245.025587]  kmem_cache_alloc_node+0xe3/0x730
[  245.030082]  ? ipv6_get_ifaddr+0x42e/0x620
[  245.034332]  __alloc_skb+0x119/0x770
[  245.038052]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  245.043377]  ? skb_scrub_packet+0x490/0x490
[  245.047694]  ? lock_downgrade+0x900/0x900
[  245.051870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.057421]  ? refcount_sub_and_test_checked+0x203/0x310
[  245.062889]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  245.068342]  ? addrconf_rs_timer+0x6f0/0x6f0
[  245.072765]  ndisc_alloc_skb+0x144/0x340
[  245.076836]  ndisc_send_rs+0x331/0x6e0
[  245.080745]  addrconf_rs_timer+0x3c0/0x6f0
[  245.084988]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.089236]  call_timer_fn+0x272/0x920
[  245.093145]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.097400]  ? process_timeout+0x40/0x40
[  245.101483]  ? find_held_lock+0x36/0x1c0
[  245.105566]  ? mark_held_locks+0xc7/0x130
[  245.109718]  ? _raw_spin_unlock_irq+0x27/0x80
[  245.114216]  ? _raw_spin_unlock_irq+0x27/0x80
[  245.118752]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.122990]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  245.127582]  ? trace_hardirqs_on+0xbd/0x310
[  245.131910]  ? kasan_check_read+0x11/0x20
[  245.136071]  ? __run_timers+0x7da/0xc70
[  245.140047]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  245.145517]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.149759]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.154002]  __run_timers+0x7e5/0xc70
[  245.157825]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  245.163214]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  245.168238]  ? graph_lock+0x170/0x170
[  245.172057]  ? print_usage_bug+0xc0/0xc0
[  245.176122]  ? lock_release+0x970/0x970
[  245.180105]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  245.185306]  ? find_held_lock+0x36/0x1c0
[  245.189367]  ? graph_lock+0x170/0x170
[  245.193171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.198757]  ? check_preemption_disabled+0x48/0x200
[  245.203798]  ? __lock_is_held+0xb5/0x140
[  245.207864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.213404]  ? check_preemption_disabled+0x48/0x200
[  245.218440]  run_timer_softirq+0x52/0xb0
[  245.222513]  ? rcu_read_lock_sched_held+0x108/0x120
[  245.227557]  __do_softirq+0x30b/0xad8
[  245.231367]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  245.236487]  ? pvclock_read_flags+0x160/0x160
[  245.240989]  ? lapic_next_event+0x5a/0x90
[  245.245139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.250679]  ? check_preemption_disabled+0x48/0x200
[  245.255699]  ? check_preemption_disabled+0x48/0x200
[  245.260720]  ? kvm_clock_read+0x18/0x30
[  245.264696]  ? kvm_sched_clock_read+0x9/0x20
[  245.269108]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.274647]  ? check_preemption_disabled+0x48/0x200
[  245.279674]  irq_exit+0x17f/0x1c0
[  245.283136]  smp_apic_timer_interrupt+0x1cb/0x760
[  245.287988]  ? smp_reschedule_interrupt+0x109/0x650
[  245.293008]  ? smp_call_function_single_interrupt+0x650/0x650
[  245.298895]  ? interrupt_entry+0xb5/0xf0
[  245.302958]  ? trace_hardirqs_off_caller+0xbb/0x300
[  245.307978]  ? trace_hardirqs_off_caller+0xbb/0x300
[  245.312998]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.317840]  ? trace_hardirqs_off+0x300/0x300
[  245.322330]  ? trace_hardirqs_off+0x300/0x300
[  245.326828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.332367]  ? check_preemption_disabled+0x48/0x200
[  245.337386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.342938]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.347792]  apic_timer_interrupt+0xf/0x20
[  245.352025]  </IRQ>
[  245.354261] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  245.359549] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  245.378457] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  245.386185] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  245.393452] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  245.400742] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  245.408011] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  245.415285] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  245.422578]  ? arch_local_irq_restore+0x45/0x52
[  245.427284]  dump_stack+0x26a/0x2b4
[  245.430931]  ? dump_stack_print_info.cold.2+0x52/0x52
[  245.436132]  ? mark_held_locks+0x130/0x130
[  245.440371]  ? mark_held_locks+0x130/0x130
[  245.444616]  dump_header+0x27b/0xf72
[  245.448349]  ? pagefault_out_of_memory+0x197/0x197
[  245.453289]  ? mark_held_locks+0x130/0x130
[  245.457525]  ? __lock_acquire+0x7ec/0x4ec0
[  245.461763]  ? mem_cgroup_charge_statistics+0x780/0x780
[  245.467129]  ? print_usage_bug+0xc0/0xc0
[  245.471198]  ? print_usage_bug+0xc0/0xc0
[  245.475273]  ? graph_lock+0x170/0x170
[  245.479081]  ? graph_lock+0x170/0x170
[  245.482885]  ? print_usage_bug+0xc0/0xc0
[  245.486946]  ? print_usage_bug+0xc0/0xc0
[  245.491016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.496560]  ? find_held_lock+0x36/0x1c0
[  245.500632]  ? mark_held_locks+0xc7/0x130
[  245.504813]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  245.509920]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  245.515040]  ? lockdep_hardirqs_on+0x421/0x5c0
[  245.519627]  ? trace_hardirqs_on+0xbd/0x310
[  245.523952]  ? kasan_check_read+0x11/0x20
[  245.528100]  ? ___ratelimit+0x36f/0x655
[  245.532076]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  245.537557]  ? trace_hardirqs_on+0x310/0x310
[  245.541977]  ? lock_downgrade+0x900/0x900
[  245.546134]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  245.551237]  ? ___ratelimit+0xaa/0x655
[  245.555145]  ? idr_get_free+0xec0/0xec0
[  245.559126]  ? kasan_check_write+0x14/0x20
[  245.563374]  ? do_raw_spin_lock+0xc1/0x200
[  245.567621]  oom_kill_process.cold.27+0x10/0x903
[  245.572395]  ? graph_lock+0x170/0x170
[  245.576197]  ? _raw_spin_unlock+0x2c/0x50
[  245.580345]  ? oom_badness+0xe6/0xaa0
[  245.584156]  ? oom_evaluate_task+0x540/0x540
[  245.588570]  ? find_held_lock+0x36/0x1c0
[  245.592665]  ? out_of_memory+0x974/0x14c0
[  245.596817]  ? lock_downgrade+0x900/0x900
[  245.600984]  ? check_preemption_disabled+0x48/0x200
[  245.606014]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  245.611815]  ? kasan_check_read+0x11/0x20
[  245.615987]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  245.621273]  ? rcu_bh_qs+0xc0/0xc0
[  245.624820]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  245.629836]  ? oom_evaluate_task+0x302/0x540
[  245.634286]  out_of_memory+0xa86/0x14c0
[  245.638276]  ? oom_killer_disable+0x3a0/0x3a0
[  245.642777]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  245.647713]  ? __mutex_add_waiter+0x2a0/0x2a0
[  245.652220]  __alloc_pages_slowpath+0x2318/0x2d80
[  245.657117]  ? warn_alloc+0x120/0x120
[  245.660924]  ? __radix_tree_lookup+0x4c0/0x4c0
[  245.665540]  ? find_get_entry+0x2f2/0xc40
[  245.669704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.675245]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  245.680176]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.685714]  ? should_fail+0x22d/0xd01
[  245.689621]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.694725]  ? __lock_is_held+0xb5/0x140
[  245.698819]  ? __lock_is_held+0xb5/0x140
[  245.702893]  ? find_held_lock+0x36/0x1c0
[  245.706959]  ? ___might_sleep+0x1ed/0x300
[  245.711107]  ? lock_release+0x970/0x970
[  245.715102]  ? arch_local_save_flags+0x40/0x40
[  245.719699]  ? __might_sleep+0x95/0x190
[  245.723684]  __alloc_pages_nodemask+0xa80/0xde0
[  245.728389]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  245.733413]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  245.739214]  ? kasan_check_read+0x11/0x20
[  245.743367]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  245.748649]  ? graph_lock+0x170/0x170
[  245.752456]  ? print_usage_bug+0xc0/0xc0
[  245.756531]  ? graph_lock+0x170/0x170
[  245.760330]  ? graph_lock+0x170/0x170
[  245.764129]  ? __do_page_cache_readahead+0x7ce/0x980
[  245.769239]  ? find_held_lock+0x36/0x1c0
[  245.773318]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  245.778862]  alloc_pages_current+0x10c/0x210
[  245.783288]  ? lock_downgrade+0x900/0x900
[  245.787450]  __page_cache_alloc+0x38f/0x5b0
[  245.791785]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  245.797599]  ? kasan_check_read+0x11/0x20
[  245.801753]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  245.807041]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  245.811716]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.817260]  ? check_preemption_disabled+0x48/0x200
[  245.822299]  filemap_fault+0x1594/0x25f0
[  245.826378]  ? __lock_page_or_retry+0xa00/0xa00
[  245.831064]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  245.836903]  ? kasan_check_read+0x11/0x20
[  245.841563]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  245.846844]  ? rcu_bh_qs+0xc0/0xc0
[  245.850404]  ? print_usage_bug+0xc0/0xc0
[  245.854481]  ? filemap_map_pages+0xdea/0x1980
[  245.859018]  ? print_usage_bug+0xc0/0xc0
[  245.863092]  ? find_get_pages_range_tag+0x1320/0x1320
[  245.868287]  ? print_usage_bug+0xc0/0xc0
[  245.872351]  ? __lock_acquire+0x7ec/0x4ec0
[  245.876599]  ? graph_lock+0x170/0x170
[  245.880406]  ? __sigqueue_free.part.27+0x7d/0xa0
[  245.885173]  ? __lock_acquire+0x7ec/0x4ec0
[  245.889423]  ? lock_acquire+0x1ed/0x520
[  245.893402]  ? ext4_filemap_fault+0x7a/0xad
[  245.897746]  ? lock_release+0x970/0x970
[  245.901727]  ? arch_local_save_flags+0x40/0x40
[  245.906310]  ? mark_held_locks+0x130/0x130
[  245.910568]  ? down_read+0xb0/0x1d0
[  245.914204]  ? ext4_filemap_fault+0x7a/0xad
[  245.918535]  ? __down_interruptible+0x700/0x700
[  245.923222]  ? graph_lock+0x170/0x170
[  245.927022]  ? __sigqueue_free.part.27+0x7d/0xa0
[  245.931802]  ext4_filemap_fault+0x82/0xad
[  245.935965]  __do_fault+0x100/0x6b0
[  245.939597]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  245.944904]  ? print_bad_pte+0x6c0/0x6c0
[  245.948973]  ? pmd_val+0x88/0x100
[  245.952444]  ? add_mm_counter_fast+0xd0/0xd0
[  245.956872]  ? pmd_val+0x88/0x100
[  245.960328]  ? add_mm_counter_fast+0xd0/0xd0
[  245.964771]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.970314]  __handle_mm_fault+0x3709/0x53e0
[  245.974737]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  245.979592]  ? graph_lock+0x170/0x170
[  245.983396]  ? print_usage_bug+0xc0/0xc0
[  245.987462]  ? graph_lock+0x170/0x170
[  245.991316]  ? graph_lock+0x170/0x170
[  245.995137]  ? handle_mm_fault+0x42a/0xc70
[  245.999373]  ? lock_downgrade+0x900/0x900
[  246.003525]  ? check_preemption_disabled+0x48/0x200
[  246.008551]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  246.014353]  ? kasan_check_read+0x11/0x20
[  246.018527]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  246.023810]  ? rcu_bh_qs+0xc0/0xc0
[  246.027364]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  246.032819]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.038366]  ? check_preemption_disabled+0x48/0x200
[  246.043399]  handle_mm_fault+0x54f/0xc70
[  246.047468]  ? __handle_mm_fault+0x53e0/0x53e0
[  246.052068]  ? find_vma+0x34/0x190
[  246.055616]  __do_page_fault+0x67d/0xed0
[  246.059687]  ? mm_fault_error+0x380/0x380
[  246.063845]  ? syscall_slow_exit_work+0x520/0x520
[  246.068694]  do_page_fault+0xf2/0x7e0
[  246.072505]  ? vmalloc_sync_all+0x30/0x30
[  246.076652]  ? error_entry+0x70/0xd0
[  246.080369]  ? trace_hardirqs_off_caller+0xbb/0x300
[  246.085382]  ? trace_hardirqs_on_caller+0xc0/0x300
[  246.090334]  ? syscall_return_slowpath+0x5e0/0x5e0
[  246.095363]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.100206]  ? trace_hardirqs_off+0x300/0x300
[  246.104699]  ? trace_hardirqs_off_caller+0x300/0x300
[  246.109845]  ? prepare_exit_to_usermode+0x291/0x3b0
[  246.114865]  ? page_fault+0x8/0x30
[  246.118421]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.123271]  ? page_fault+0x8/0x30
[  246.126826]  page_fault+0x1e/0x30
[  246.130285] RIP: 0033:0x45db60
[  246.133523] Code: Bad RIP value.
[  246.136891] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  246.142252] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  246.149525] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  246.156798] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  246.164065] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  246.171333] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  246.178636] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  246.178643] warn_alloc_show_mem: 1 callbacks suppressed
[  246.178650] Mem-Info:
[  246.185845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  246.191226] active_anon:41581 inactive_anon:372 isolated_anon:0
[  246.191226]  active_file:17 inactive_file:16 isolated_file:0
[  246.191226]  unevictable:0 dirty:0 writeback:0 unstable:0
[  246.191226]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  246.191226]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  246.191226]  free:13699 free_pcp:281 free_cma:0
[  246.193611] Call Trace:
[  246.203001] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  246.235852]  <IRQ>
[  246.238429] Node 0 
[  246.266019]  dump_stack+0x1c4/0x2b4
[  246.268172] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  246.270388]  ? dump_stack_print_info.cold.2+0x52/0x52
[  246.273983] lowmem_reserve[]: 0
[  246.299510]  warn_alloc.cold.118+0xb7/0x1bd
[  246.304667]  2817
[  246.307945]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  246.312238]  6321 6321
[  246.314309]  ? lock_downgrade+0x900/0x900
[  246.319128] Node 0 
[  246.321628]  ? trace_hardirqs_off+0xb8/0x300
[  246.325774] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  246.327994]  ? trace_hardirqs_off+0xb8/0x300
[  246.332405] lowmem_reserve[]: 0
[  246.359499]  __alloc_pages_slowpath+0x2667/0x2d80
[  246.363881]  0
[  246.367183]  ? warn_alloc+0x120/0x120
[  246.371969]  3503 3503
[  246.373784]  ? trace_hardirqs_on+0x310/0x310
[  246.380052]  ? warn_alloc+0x120/0x120
[  246.384438] Node 0 
[  246.388241]  ? print_usage_bug+0xc0/0xc0
[  246.388277] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  246.388285] lowmem_reserve[]:
[  246.390517]  ? warn_alloc+0x120/0x120
[  246.394557]  0
[  246.422951]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  246.422969]  ? print_usage_bug+0xc0/0xc0
[  246.426073]  0
[  246.429870]  ? __lock_acquire+0x7ec/0x4ec0
[  246.431652]  0
[  246.436668]  ? __lock_acquire+0x7ec/0x4ec0
[  246.440705]  0
[  246.442527]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.448537]  ? should_fail+0x22d/0xd01
[  246.452749] Node 0 
[  246.454559]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.460071] DMA: 
[  246.463958]  ? __lock_acquire+0x7ec/0x4ec0
[  246.466178] 1*4kB 
[  246.471291]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.473329] (U) 
[  246.477564]  ? __lock_acquire+0x7ec/0x4ec0
[  246.479694] 0*8kB 
[  246.484796]  ? should_fail+0x22d/0xd01
[  246.486745] 0*16kB 1*32kB 
[  246.490994]  ? print_usage_bug+0xc0/0xc0
[  246.493121] (U) 
[  246.497025]  ? mark_held_locks+0x130/0x130
[  246.499845] 2*64kB 
[  246.503900]  ? mark_held_locks+0x130/0x130
[  246.505854] (U) 
[  246.510095]  ? graph_lock+0x170/0x170
[  246.512323] 1*128kB 
[  246.516552]  ? print_usage_bug+0xc0/0xc0
[  246.518510] (U) 
[  246.522308]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  246.524608] 1*256kB 
[  246.528663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.530612] (U) 
[  246.535378]  ? check_preemption_disabled+0x48/0x200
[  246.537725] 0*512kB 
[  246.543274]  ? check_preemption_disabled+0x48/0x200
[  246.545235] 1*1024kB 
[  246.550252]  ? __lock_is_held+0xb5/0x140
[  246.552565] (U) 
[  246.557581]  __alloc_pages_nodemask+0xa80/0xde0
[  246.559965] 1*2048kB 
[  246.564017]  ? graph_lock+0x170/0x170
[  246.565988] (M) 3*4096kB 
[  246.570734]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  246.573123] (M) 
[  246.576920]  ? graph_lock+0x170/0x170
[  246.579655] = 15908kB
[  246.584672]  ? find_held_lock+0x36/0x1c0
[  246.586623] Node 0 
[  246.590424]  ? ____cache_alloc_node+0x1c7/0x1e0
[  246.592821] DMA32: 
[  246.596880]  ? lock_downgrade+0x900/0x900
[  246.599098] 2*4kB 
[  246.603779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.606011] (M) 
[  246.610163]  cache_grow_begin+0x91/0x8c0
[  246.612294] 1*8kB 
[  246.617850]  ? do_raw_spin_unlock+0xa7/0x2f0
[  246.619804] (U) 
[  246.623897]  fallback_alloc+0x203/0x2e0
[  246.626035] 3*16kB 
[  246.630460]  ____cache_alloc_node+0x1c7/0x1e0
[  246.632420] (M) 
[  246.636393]  kmem_cache_alloc_node+0xe3/0x730
[  246.638606] 1*32kB (M) 
[  246.643119]  ? ipv6_get_ifaddr+0x42e/0x620
[  246.645073] 3*64kB 
[  246.649564]  __alloc_skb+0x119/0x770
[  246.652121] (UM) 
[  246.656370]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  246.658593] 3*128kB 
[  246.662307]  ? skb_scrub_packet+0x490/0x490
[  246.664347] (M) 
[  246.669633]  ? lock_downgrade+0x900/0x900
[  246.671942] 3*256kB 
[  246.676263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.678221] (UM) 
[  246.682365]  ? refcount_sub_and_test_checked+0x203/0x310
[  246.684665] 4*512kB 
[  246.690197]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  246.692236] (UM) 
[  246.697707]  ? addrconf_rs_timer+0x6f0/0x6f0
[  246.700007] 3*1024kB 
[  246.705463]  ndisc_alloc_skb+0x144/0x340
[  246.707502] (M) 
[  246.711925]  ndisc_send_rs+0x331/0x6e0
[  246.714313] 1*2048kB 
[  246.718368]  addrconf_rs_timer+0x3c0/0x6f0
[  246.720320] (U) 
[  246.724230]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.726614] 4*4096kB (M) 
[  246.730865]  call_timer_fn+0x272/0x920
[  246.733025] = 24992kB
[  246.733034] Node 0 
[  246.737275]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.740015] Normal: 
[  246.743901]  ? process_timeout+0x40/0x40
[  246.746297] 882*4kB 
[  246.748531]  ? find_held_lock+0x36/0x1c0
[  246.752741] (UME) 
[  246.755089]  ? __run_timers+0x7da/0xc70
[  246.759125] 426*8kB 
[  246.761447]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.765492] (MEH) 
[  246.767644]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.771589] 175*16kB (UME) 
[  246.773922]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.778396] 71*32kB 
[  246.780549]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  246.785011] (UMEH) 10*64kB 
[  246.787951]  ? trace_hardirqs_on+0xbd/0x310
[  246.792152] (UMH) 2*128kB 
[  246.794513]  ? kasan_check_read+0x11/0x20
[  246.799068] (H) 
[  246.802024]  ? __run_timers+0x7da/0xc70
[  246.806331] 0*256kB 2*512kB 
[  246.809187]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  246.813346] (UH) 
[  246.815355]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.819300] 0*1024kB 0*2048kB 
[  246.822337]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.827761] 0*4096kB 
[  246.829828]  __run_timers+0x7e5/0xc70
[  246.834033] = 13928kB
[  246.834048] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  246.837244]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  246.841540] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  246.843947]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  246.847725] 412 total pagecache pages
[  246.850134]  ? graph_lock+0x170/0x170
[  246.858970] 0 pages in swap cache
[  246.864320]  ? enqueue_hrtimer+0x1a5/0x560
[  246.872879] Swap cache stats: add 0, delete 0, find 0/0
[  246.877884]  ? lock_release+0x970/0x970
[  246.877901]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  246.881682] Free swap  = 0kB
[  246.885492]  ? find_held_lock+0x36/0x1c0
[  246.888924] Total swap = 0kB
[  246.893155]  ? graph_lock+0x170/0x170
[  246.898507] 1965979 pages RAM
[  246.902483]  ? pvclock_read_flags+0x160/0x160
[  246.907652] 0 pages HighMem/MovableOnly
[  246.910696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.914733] 342744 pages reserved
[  246.914742] 0 pages cma reserved
[  246.917780]  ? check_preemption_disabled+0x48/0x200
[  246.921623] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  246.924658]  ? __lock_is_held+0xb5/0x140
[  246.929226] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  246.933101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.938616] syz-fuzzer cpuset=
[  246.942082]  ? check_preemption_disabled+0x48/0x200
[  246.945421] /
[  246.950451]  run_timer_softirq+0x52/0xb0
[  246.956960]  mems_allowed=0
[  246.993621]  ? rcu_read_lock_sched_held+0x108/0x120
[  246.998644]  __do_softirq+0x30b/0xad8
[  247.002459]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  247.007584]  ? pvclock_read_flags+0x160/0x160
[  247.012081]  ? lapic_next_event+0x5a/0x90
[  247.016245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.021791]  ? check_preemption_disabled+0x48/0x200
[  247.026810]  ? check_preemption_disabled+0x48/0x200
[  247.031833]  ? kvm_clock_read+0x18/0x30
[  247.035812]  ? kvm_sched_clock_read+0x9/0x20
[  247.040222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.045780]  ? check_preemption_disabled+0x48/0x200
[  247.050814]  irq_exit+0x17f/0x1c0
[  247.054269]  smp_apic_timer_interrupt+0x1cb/0x760
[  247.059112]  ? smp_reschedule_interrupt+0x109/0x650
[  247.064132]  ? smp_call_function_single_interrupt+0x650/0x650
[  247.070015]  ? interrupt_entry+0xb5/0xf0
[  247.074079]  ? trace_hardirqs_off_caller+0xbb/0x300
[  247.079105]  ? trace_hardirqs_off_caller+0xbb/0x300
[  247.084122]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.088962]  ? trace_hardirqs_off+0x300/0x300
[  247.093467]  ? trace_hardirqs_off+0x300/0x300
[  247.097974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.103544]  ? check_preemption_disabled+0x48/0x200
[  247.108561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.114125]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.118978]  apic_timer_interrupt+0xf/0x20
[  247.123221]  </IRQ>
[  247.125465] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  247.130415] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  247.149315] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  247.157038] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  247.169259] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  247.176529] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  247.183797] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  247.191064] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  247.198392]  skb_clone+0x1bb/0x500
[  247.201935]  ? finish_task_switch+0x2f5/0x900
[  247.206433]  ? skb_split+0x11e0/0x11e0
[  247.210318]  ? preempt_notifier_register+0x200/0x200
[  247.215430]  ? __switch_to_asm+0x34/0x70
[  247.219498]  ? __switch_to_asm+0x34/0x70
[  247.223557]  ? __switch_to_asm+0x40/0x70
[  247.227620]  ? __switch_to_asm+0x34/0x70
[  247.231678]  ? __switch_to_asm+0x40/0x70
[  247.235736]  ? __switch_to_asm+0x34/0x70
[  247.239802]  ? __switch_to_asm+0x40/0x70
[  247.243857]  ? __switch_to_asm+0x34/0x70
[  247.247916]  ? __switch_to_asm+0x34/0x70
[  247.251971]  ? __switch_to_asm+0x40/0x70
[  247.256032]  ? __switch_to_asm+0x34/0x70
[  247.260106]  bpf_clone_redirect+0xb9/0x490
[  247.264348]  ? __schedule+0x874/0x1ed0
[  247.268243]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  247.273264]  ? __sched_text_start+0x8/0x8
[  247.277420]  ? lockdep_hardirqs_on+0x421/0x5c0
[  247.282022]  ? retint_kernel+0x2d/0x2d
[  247.285909]  ? trace_hardirqs_on_caller+0xc0/0x300
[  247.290835]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  247.295597]  ? find_held_lock+0x36/0x1c0
[  247.299666]  ? lock_acquire+0x1ed/0x520
[  247.303637]  ? bpf_test_run+0x32e/0x5a0
[  247.307617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.313172]  ? check_preemption_disabled+0x48/0x200
[  247.318199]  ? kasan_check_read+0x11/0x20
[  247.322356]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  247.327636]  ? rcu_bh_qs+0xc0/0xc0
[  247.331182]  ? preempt_schedule+0x4d/0x60
[  247.335335]  ? ___preempt_schedule+0x16/0x18
[  247.339757]  ? bpf_test_run+0x1c0/0x5a0
[  247.343759]  ? netlink_diag_dump+0x2a0/0x2a0
[  247.348178]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.353712]  ? bpf_test_init.isra.9+0x70/0x100
[  247.358302]  ? bpf_prog_test_run_skb+0x634/0xb40
[  247.363074]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  247.367917]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  247.373461]  ? fput+0x130/0x1a0
[  247.376751]  ? __bpf_prog_get+0x9b/0x290
[  247.380819]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  247.385661]  ? bpf_prog_test_run+0x130/0x1a0
[  247.390074]  ? __x64_sys_bpf+0x3d8/0x510
[  247.394132]  ? bpf_prog_get+0x20/0x20
[  247.397941]  ? ksys_ioctl+0x81/0xd0
[  247.401574]  ? do_syscall_64+0x1b9/0x820
[  247.405674]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  247.411040]  ? syscall_return_slowpath+0x5e0/0x5e0
[  247.415970]  ? trace_hardirqs_off+0x300/0x300
[  247.420485]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  247.425509]  ? recalc_sigpending_tsk+0x180/0x180
[  247.430264]  ? kasan_check_write+0x14/0x20
[  247.434547]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.439439]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  247.444848] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  247.444965] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  247.451784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  247.451790] Call Trace:
[  247.451797]  <IRQ>
[  247.451814]  dump_stack+0x1c4/0x2b4
[  247.451836]  ? dump_stack_print_info.cold.2+0x52/0x52
[  247.458426] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  247.467689]  warn_alloc.cold.118+0xb7/0x1bd
[  247.470244] syz-executor4 cpuset=
[  247.472406]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  247.476014] syz4
[  247.481200]  ? lock_downgrade+0x900/0x900
[  247.491663]  mems_allowed=0
[  247.495986]  ? trace_hardirqs_off+0xb8/0x300
[  247.517677]  ? trace_hardirqs_off+0xb8/0x300
[  247.522099]  __alloc_pages_slowpath+0x2667/0x2d80
[  247.526967]  ? warn_alloc+0x120/0x120
[  247.530766]  ? trace_hardirqs_on+0x310/0x310
[  247.535174]  ? warn_alloc+0x120/0x120
[  247.539004]  ? print_usage_bug+0xc0/0xc0
[  247.543062]  ? warn_alloc+0x120/0x120
[  247.546858]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  247.551883]  ? print_usage_bug+0xc0/0xc0
[  247.555947]  ? __lock_acquire+0x7ec/0x4ec0
[  247.560180]  ? __lock_acquire+0x7ec/0x4ec0
[  247.564419]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.569972]  ? should_fail+0x22d/0xd01
[  247.573863]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.578967]  ? __lock_acquire+0x7ec/0x4ec0
[  247.583207]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.588303]  ? __lock_acquire+0x7ec/0x4ec0
[  247.592537]  ? should_fail+0x22d/0xd01
[  247.596435]  ? print_usage_bug+0xc0/0xc0
[  247.600509]  ? mark_held_locks+0x130/0x130
[  247.604742]  ? mark_held_locks+0x130/0x130
[  247.608978]  ? graph_lock+0x170/0x170
[  247.612776]  ? print_usage_bug+0xc0/0xc0
[  247.616842]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  247.621611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.627163]  ? check_preemption_disabled+0x48/0x200
[  247.632179]  ? check_preemption_disabled+0x48/0x200
[  247.637204]  ? __lock_is_held+0xb5/0x140
[  247.641282]  __alloc_pages_nodemask+0xa80/0xde0
[  247.645962]  ? graph_lock+0x170/0x170
[  247.649767]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  247.654807]  ? graph_lock+0x170/0x170
[  247.658637]  ? find_held_lock+0x36/0x1c0
[  247.662711]  ? ____cache_alloc_node+0x1c7/0x1e0
[  247.667383]  ? lock_downgrade+0x900/0x900
[  247.671549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.677090]  cache_grow_begin+0x91/0x8c0
[  247.681150]  ? do_raw_spin_unlock+0xa7/0x2f0
[  247.685569]  fallback_alloc+0x203/0x2e0
[  247.689552]  ____cache_alloc_node+0x1c7/0x1e0
[  247.694057]  kmem_cache_alloc_node+0xe3/0x730
[  247.698561]  ? ipv6_get_ifaddr+0x42e/0x620
[  247.702810]  __alloc_skb+0x119/0x770
[  247.706533]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  247.711814]  ? skb_scrub_packet+0x490/0x490
[  247.716133]  ? lock_downgrade+0x900/0x900
[  247.720294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.725834]  ? refcount_sub_and_test_checked+0x203/0x310
[  247.731292]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  247.736754]  ? addrconf_rs_timer+0x6f0/0x6f0
[  247.741191]  ndisc_alloc_skb+0x144/0x340
[  247.745273]  ndisc_send_rs+0x331/0x6e0
[  247.749167]  addrconf_rs_timer+0x3c0/0x6f0
[  247.753410]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.757662]  call_timer_fn+0x272/0x920
[  247.761550]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.765789]  ? process_timeout+0x40/0x40
[  247.769851]  ? find_held_lock+0x36/0x1c0
[  247.773926]  ? mark_held_locks+0xc7/0x130
[  247.778078]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.782576]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.787070]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.791303]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  247.795892]  ? trace_hardirqs_on+0xbd/0x310
[  247.800231]  ? kasan_check_read+0x11/0x20
[  247.804391]  ? __run_timers+0x7da/0xc70
[  247.808365]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  247.813819]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.818075]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.822309]  __run_timers+0x7e5/0xc70
[  247.826131]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  247.831517]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  247.836536]  ? graph_lock+0x170/0x170
[  247.840858]  ? print_usage_bug+0xc0/0xc0
[  247.844918]  ? lock_release+0x970/0x970
[  247.848892]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  247.854086]  ? find_held_lock+0x36/0x1c0
[  247.858150]  ? graph_lock+0x170/0x170
[  247.861954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.867529]  ? check_preemption_disabled+0x48/0x200
[  247.872561]  ? __lock_is_held+0xb5/0x140
[  247.876628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.882805]  ? check_preemption_disabled+0x48/0x200
[  247.887843]  run_timer_softirq+0x52/0xb0
[  247.891906]  ? rcu_read_lock_sched_held+0x108/0x120
[  247.896927]  __do_softirq+0x30b/0xad8
[  247.900740]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  247.905854]  ? pvclock_read_flags+0x160/0x160
[  247.910368]  ? lapic_next_event+0x5a/0x90
[  247.914536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.920079]  ? check_preemption_disabled+0x48/0x200
[  247.925095]  ? check_preemption_disabled+0x48/0x200
[  247.930122]  ? kvm_clock_read+0x18/0x30
[  247.934098]  ? kvm_sched_clock_read+0x9/0x20
[  247.938538]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.944079]  ? check_preemption_disabled+0x48/0x200
[  247.949127]  irq_exit+0x17f/0x1c0
[  247.952600]  smp_apic_timer_interrupt+0x1cb/0x760
[  247.957446]  ? smp_reschedule_interrupt+0x109/0x650
[  247.962496]  ? smp_call_function_single_interrupt+0x650/0x650
[  247.968391]  ? interrupt_entry+0xb5/0xf0
[  247.972450]  ? trace_hardirqs_off_caller+0xbb/0x300
[  247.977486]  ? trace_hardirqs_off_caller+0xbb/0x300
[  247.982513]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.987353]  ? trace_hardirqs_off+0x300/0x300
[  247.991843]  ? trace_hardirqs_off+0x300/0x300
[  247.996356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.001891]  ? check_preemption_disabled+0x48/0x200
[  248.006901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.012442]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.017301]  apic_timer_interrupt+0xf/0x20
[  248.021531]  </IRQ>
[  248.023790] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  248.029069] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  248.047966] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  248.055678] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  248.062943] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  248.070202] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  248.077462] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  248.084733] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  248.092028]  ? arch_local_irq_restore+0x45/0x52
[  248.096730]  dump_stack+0x26a/0x2b4
[  248.100359]  ? dump_stack_print_info.cold.2+0x52/0x52
[  248.105553]  ? mark_held_locks+0x130/0x130
[  248.109822]  ? mark_held_locks+0x130/0x130
[  248.114062]  dump_header+0x27b/0xf72
[  248.117804]  ? pagefault_out_of_memory+0x197/0x197
[  248.122737]  ? mark_held_locks+0x130/0x130
[  248.126966]  ? __lock_acquire+0x7ec/0x4ec0
[  248.131209]  ? mem_cgroup_charge_statistics+0x780/0x780
[  248.136570]  ? print_usage_bug+0xc0/0xc0
[  248.140625]  ? print_usage_bug+0xc0/0xc0
[  248.144714]  ? graph_lock+0x170/0x170
[  248.148507]  ? graph_lock+0x170/0x170
[  248.152306]  ? print_usage_bug+0xc0/0xc0
[  248.156361]  ? print_usage_bug+0xc0/0xc0
[  248.160432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.165978]  ? find_held_lock+0x36/0x1c0
[  248.170046]  ? mark_held_locks+0xc7/0x130
[  248.174196]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  248.179311]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  248.184415]  ? lockdep_hardirqs_on+0x421/0x5c0
[  248.189006]  ? trace_hardirqs_on+0xbd/0x310
[  248.193325]  ? kasan_check_read+0x11/0x20
[  248.197478]  ? ___ratelimit+0x36f/0x655
[  248.201466]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  248.206942]  ? trace_hardirqs_on+0x310/0x310
[  248.211354]  ? lock_downgrade+0x900/0x900
[  248.215517]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  248.220636]  ? ___ratelimit+0xaa/0x655
[  248.224530]  ? idr_get_free+0xec0/0xec0
[  248.228522]  ? kasan_check_write+0x14/0x20
[  248.232758]  ? do_raw_spin_lock+0xc1/0x200
[  248.237015]  oom_kill_process.cold.27+0x10/0x903
[  248.241769]  ? graph_lock+0x170/0x170
[  248.245569]  ? _raw_spin_unlock+0x2c/0x50
[  248.249730]  ? oom_badness+0xe6/0xaa0
[  248.253537]  ? oom_evaluate_task+0x540/0x540
[  248.257954]  ? find_held_lock+0x36/0x1c0
[  248.262026]  ? out_of_memory+0x974/0x14c0
[  248.266176]  ? lock_downgrade+0x900/0x900
[  248.270327]  ? check_preemption_disabled+0x48/0x200
[  248.275349]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  248.281145]  ? kasan_check_read+0x11/0x20
[  248.285294]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  248.290567]  ? rcu_bh_qs+0xc0/0xc0
[  248.294107]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  248.299131]  ? oom_evaluate_task+0x302/0x540
[  248.303538]  out_of_memory+0xa86/0x14c0
[  248.307524]  ? oom_killer_disable+0x3a0/0x3a0
[  248.312018]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  248.316954]  ? __mutex_add_waiter+0x2a0/0x2a0
[  248.321481]  __alloc_pages_slowpath+0x2318/0x2d80
[  248.326355]  ? warn_alloc+0x120/0x120
[  248.330153]  ? __radix_tree_lookup+0x4c0/0x4c0
[  248.334750]  ? find_get_entry+0x2f2/0xc40
[  248.338907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.344445]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  248.349382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.354937]  ? should_fail+0x22d/0xd01
[  248.358827]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.363929]  ? __lock_is_held+0xb5/0x140
[  248.368011]  ? __lock_is_held+0xb5/0x140
[  248.372087]  ? find_held_lock+0x36/0x1c0
[  248.376163]  ? ___might_sleep+0x1ed/0x300
[  248.380317]  ? lock_release+0x970/0x970
[  248.384290]  ? arch_local_save_flags+0x40/0x40
[  248.388894]  ? __might_sleep+0x95/0x190
[  248.392891]  __alloc_pages_nodemask+0xa80/0xde0
[  248.397566]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  248.402583]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  248.408412]  ? kasan_check_read+0x11/0x20
[  248.412569]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  248.417864]  ? graph_lock+0x170/0x170
[  248.421662]  ? print_usage_bug+0xc0/0xc0
[  248.425721]  ? graph_lock+0x170/0x170
[  248.429527]  ? graph_lock+0x170/0x170
[  248.433340]  ? __do_page_cache_readahead+0x7ce/0x980
[  248.438447]  ? find_held_lock+0x36/0x1c0
[  248.442525]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  248.448081]  alloc_pages_current+0x10c/0x210
[  248.452496]  ? lock_downgrade+0x900/0x900
[  248.456678]  __page_cache_alloc+0x38f/0x5b0
[  248.461003]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  248.466802]  ? kasan_check_read+0x11/0x20
[  248.470968]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  248.476259]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  248.480931]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.486482]  ? check_preemption_disabled+0x48/0x200
[  248.491514]  filemap_fault+0x1594/0x25f0
[  248.495586]  ? __lock_page_or_retry+0xa00/0xa00
[  248.500267]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  248.506060]  ? kasan_check_read+0x11/0x20
[  248.510224]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  248.515504]  ? rcu_bh_qs+0xc0/0xc0
[  248.519064]  ? print_usage_bug+0xc0/0xc0
[  248.523128]  ? filemap_map_pages+0xdea/0x1980
[  248.527628]  ? print_usage_bug+0xc0/0xc0
[  248.531691]  ? find_get_pages_range_tag+0x1320/0x1320
[  248.536877]  ? print_usage_bug+0xc0/0xc0
[  248.540961]  ? __lock_acquire+0x7ec/0x4ec0
[  248.545235]  ? graph_lock+0x170/0x170
[  248.549052]  ? __sigqueue_free.part.27+0x7d/0xa0
[  248.553813]  ? __lock_acquire+0x7ec/0x4ec0
[  248.558062]  ? lock_acquire+0x1ed/0x520
[  248.562038]  ? ext4_filemap_fault+0x7a/0xad
[  248.566379]  ? lock_release+0x970/0x970
[  248.570349]  ? arch_local_save_flags+0x40/0x40
[  248.574943]  ? mark_held_locks+0x130/0x130
[  248.579188]  ? down_read+0xb0/0x1d0
[  248.582809]  ? ext4_filemap_fault+0x7a/0xad
[  248.587126]  ? __down_interruptible+0x700/0x700
[  248.591807]  ? graph_lock+0x170/0x170
[  248.595608]  ? __sigqueue_free.part.27+0x7d/0xa0
[  248.600369]  ext4_filemap_fault+0x82/0xad
[  248.604519]  __do_fault+0x100/0x6b0
[  248.608144]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  248.613419]  ? print_bad_pte+0x6c0/0x6c0
[  248.617489]  ? pmd_val+0x88/0x100
[  248.620944]  ? add_mm_counter_fast+0xd0/0xd0
[  248.625346]  ? pmd_val+0x88/0x100
[  248.628810]  ? add_mm_counter_fast+0xd0/0xd0
[  248.633243]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.638801]  __handle_mm_fault+0x3709/0x53e0
[  248.643239]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  248.648082]  ? graph_lock+0x170/0x170
[  248.651877]  ? print_usage_bug+0xc0/0xc0
[  248.655936]  ? graph_lock+0x170/0x170
[  248.659751]  ? graph_lock+0x170/0x170
[  248.663575]  ? handle_mm_fault+0x42a/0xc70
[  248.667809]  ? lock_downgrade+0x900/0x900
[  248.672003]  ? check_preemption_disabled+0x48/0x200
[  248.677054]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  248.682851]  ? kasan_check_read+0x11/0x20
[  248.687000]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  248.692290]  ? rcu_bh_qs+0xc0/0xc0
[  248.695831]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  248.701286]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.706826]  ? check_preemption_disabled+0x48/0x200
[  248.711855]  handle_mm_fault+0x54f/0xc70
[  248.715921]  ? __handle_mm_fault+0x53e0/0x53e0
[  248.720510]  ? find_vma+0x34/0x190
[  248.724059]  __do_page_fault+0x67d/0xed0
[  248.728130]  ? mm_fault_error+0x380/0x380
[  248.732511]  ? syscall_slow_exit_work+0x520/0x520
[  248.737374]  do_page_fault+0xf2/0x7e0
[  248.741192]  ? vmalloc_sync_all+0x30/0x30
[  248.745346]  ? error_entry+0x70/0xd0
[  248.749066]  ? trace_hardirqs_off_caller+0xbb/0x300
[  248.754084]  ? trace_hardirqs_on_caller+0xc0/0x300
[  248.759013]  ? syscall_return_slowpath+0x5e0/0x5e0
[  248.763945]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.768787]  ? trace_hardirqs_off+0x300/0x300
[  248.773289]  ? trace_hardirqs_off_caller+0x300/0x300
[  248.778395]  ? prepare_exit_to_usermode+0x291/0x3b0
[  248.783411]  ? page_fault+0x8/0x30
[  248.786952]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.791795]  ? page_fault+0x8/0x30
[  248.795336]  page_fault+0x1e/0x30
[  248.798788] RIP: 0033:0x45db60
[  248.801985] Code: Bad RIP value.
[  248.805362] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  248.810732] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  248.818030] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  248.825300] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  248.832574] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  248.840304] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  248.847602] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  248.847608] warn_alloc_show_mem: 1 callbacks suppressed
[  248.847615] Mem-Info:
[  248.854815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  248.860181] active_anon:41581 inactive_anon:372 isolated_anon:0
[  248.860181]  active_file:17 inactive_file:16 isolated_file:0
[  248.860181]  unevictable:0 dirty:0 writeback:0 unstable:0
[  248.860181]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  248.860181]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  248.860181]  free:13699 free_pcp:281 free_cma:0
[  248.862558] Call Trace:
[  248.871939] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  248.904811]  <IRQ>
[  248.907387] Node 0 
[  248.934987]  dump_stack+0x1c4/0x2b4
[  248.937137] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  248.939344]  ? dump_stack_print_info.cold.2+0x52/0x52
[  248.942971] lowmem_reserve[]:
[  248.968491]  warn_alloc.cold.118+0xb7/0x1bd
[  248.973647]  0
[  248.976754]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  248.981043]  2817 6321
[  248.982847]  ? lock_downgrade+0x900/0x900
[  248.987656]  6321
[  248.990164]  ? trace_hardirqs_off+0xb8/0x300
[  248.994283] Node 0 
[  248.996356]  ? trace_hardirqs_off+0xb8/0x300
[  249.000775] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  249.003011]  __alloc_pages_slowpath+0x2667/0x2d80
[  249.007404] lowmem_reserve[]:
[  249.034398]  ? warn_alloc+0x120/0x120
[  249.039213]  0 0
[  249.042344]  ? trace_hardirqs_on+0x310/0x310
[  249.046114]  3503 3503
[  249.048115]  ? warn_alloc+0x120/0x120
[  249.052504] Node 0 
[  249.054998]  ? print_usage_bug+0xc0/0xc0
[  249.058802] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  249.061007]  ? warn_alloc+0x120/0x120
[  249.065052] lowmem_reserve[]:
[  249.093416]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  249.097223]  0
[  249.100324]  ? print_usage_bug+0xc0/0xc0
[  249.105317]  0
[  249.107117]  ? __lock_acquire+0x7ec/0x4ec0
[  249.111149]  0 0
[  249.112965]  ? __lock_acquire+0x7ec/0x4ec0
[  249.117176] Node 0 
[  249.119148]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.123352] DMA: 1*4kB 
[  249.125597]  ? should_fail+0x22d/0xd01
[  249.131104] (U) 
[  249.133700]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.137563] 0*8kB 
[  249.139538]  ? __lock_acquire+0x7ec/0x4ec0
[  249.144619] 0*16kB 
[  249.146778]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.150995] 1*32kB 
[  249.153226]  ? __lock_acquire+0x7ec/0x4ec0
[  249.158301] (U) 
[  249.160536]  ? should_fail+0x22d/0xd01
[  249.164765] 2*64kB (U) 
[  249.166770]  ? print_usage_bug+0xc0/0xc0
[  249.170625] 1*128kB 
[  249.173203]  ? mark_held_locks+0x130/0x130
[  249.177232] (U) 1*256kB 
[  249.179566]  ? mark_held_locks+0x130/0x130
[  249.183775] (U) 
[  249.186448]  ? graph_lock+0x170/0x170
[  249.190657] 0*512kB 
[  249.192626]  ? print_usage_bug+0xc0/0xc0
[  249.196404] 1*1024kB 
[  249.198726]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  249.202771] (U) 
[  249.205186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.209918] 1*2048kB 
[  249.211893]  ? check_preemption_disabled+0x48/0x200
[  249.217398] (M) 
[  249.219806]  ? check_preemption_disabled+0x48/0x200
[  249.224811] 3*4096kB (M) 
[  249.226800]  ? __lock_is_held+0xb5/0x140
[  249.231787] = 15908kB
[  249.234543]  __alloc_pages_nodemask+0xa80/0xde0
[  249.238588] Node 0 
[  249.240992]  ? graph_lock+0x170/0x170
[  249.245641] DMA32: 
[  249.247881]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  249.251658] 2*4kB 
[  249.253890]  ? graph_lock+0x170/0x170
[  249.258889] (M) 
[  249.261047]  ? find_held_lock+0x36/0x1c0
[  249.264819] 1*8kB 
[  249.266801]  ? ____cache_alloc_node+0x1c7/0x1e0
[  249.270835] (U) 
[  249.272980]  ? lock_downgrade+0x900/0x900
[  249.277629] 3*16kB 
[  249.279626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.283731] (M) 1*32kB 
[  249.285980]  cache_grow_begin+0x91/0x8c0
[  249.291513] (M) 
[  249.294113]  ? do_raw_spin_unlock+0xa7/0x2f0
[  249.298180] 3*64kB 
[  249.300155]  fallback_alloc+0x203/0x2e0
[  249.304536] (UM) 
[  249.306780]  ____cache_alloc_node+0x1c7/0x1e0
[  249.310724] 3*128kB 
[  249.312789]  kmem_cache_alloc_node+0xe3/0x730
[  249.317257] (M) 
[  249.319588]  ? ipv6_get_ifaddr+0x42e/0x620
[  249.324068] 3*256kB 
[  249.326042]  __alloc_skb+0x119/0x770
[  249.330244] (UM) 
[  249.332566]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  249.336251] 4*512kB 
[  249.338327]  ? skb_scrub_packet+0x490/0x490
[  249.343616] (UM) 
[  249.345950]  ? lock_downgrade+0x900/0x900
[  249.350265] 3*1024kB 
[  249.352334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.356452] (M) 
[  249.358874]  ? refcount_sub_and_test_checked+0x203/0x310
[  249.364404] 1*2048kB 
[  249.366381]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  249.371827] (U) 
[  249.374240]  ? addrconf_rs_timer+0x6f0/0x6f0
[  249.379664] 4*4096kB 
[  249.381646]  ndisc_alloc_skb+0x144/0x340
[  249.386020] (M) 
[  249.388432]  ndisc_send_rs+0x331/0x6e0
[  249.392466] = 24992kB
[  249.392488] Node 0 
[  249.394480]  addrconf_rs_timer+0x3c0/0x6f0
[  249.398337] Normal: 
[  249.400750]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.402979] 882*4kB 
[  249.407221]  call_timer_fn+0x272/0x920
[  249.409516] (UME) 
[  249.413750]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.416047] 426*8kB (MEH) 
[  249.419971]  ? process_timeout+0x40/0x40
[  249.422102] 175*16kB 
[  249.426334]  ? find_held_lock+0x36/0x1c0
[  249.429154] (UME) 
[  249.433222]  ? __run_timers+0x7da/0xc70
[  249.435611] 71*32kB 
[  249.439674]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.441803] (UMEH) 
[  249.445777]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.448073] 10*64kB (UMH) 
[  249.452575]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.454789] 2*128kB 
[  249.459276]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  249.459308]  ? trace_hardirqs_on+0xbd/0x310
[  249.462138] (H) 
[  249.466390]  ? kasan_check_read+0x11/0x20
[  249.468687] 0*256kB 
[  249.473267]  ? __run_timers+0x7da/0xc70
[  249.477570] 2*512kB 
[  249.479543]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  249.483669] (UH) 
[  249.485997]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.489973] 0*1024kB 
[  249.492291]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.497719] 0*2048kB 
[  249.499794]  __run_timers+0x7e5/0xc70
[  249.504002] 0*4096kB 
[  249.506419]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  249.510621] = 13928kB
[  249.513030]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  249.516813] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  249.519217]  ? graph_lock+0x170/0x170
[  249.524561] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  249.526963]  ? enqueue_hrtimer+0x1a5/0x560
[  249.531958] 412 total pagecache pages
[  249.540801]  ? lock_release+0x970/0x970
[  249.544588] 0 pages in swap cache
[  249.553148]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  249.557365] Swap cache stats: add 0, delete 0, find 0/0
[  249.561159]  ? find_held_lock+0x36/0x1c0
[  249.565109] Free swap  = 0kB
[  249.568556]  ? graph_lock+0x170/0x170
[  249.573731] Total swap = 0kB
[  249.579090]  ? pvclock_read_flags+0x160/0x160
[  249.583126] 1965979 pages RAM
[  249.586137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.589906] 0 pages HighMem/MovableOnly
[  249.589916] 342744 pages reserved
[  249.592936]  ? check_preemption_disabled+0x48/0x200
[  249.597406] 0 pages cma reserved
[  249.600529]  ? __lock_is_held+0xb5/0x140
[  249.606112] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  249.610008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.613531] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  249.618482]  ? check_preemption_disabled+0x48/0x200
[  249.621827] syz-fuzzer cpuset=
[  249.625884]  run_timer_softirq+0x52/0xb0
[  249.632375] /
[  249.637909]  ? rcu_read_lock_sched_held+0x108/0x120
[  249.648112]  mems_allowed=0
[  249.653121]  __do_softirq+0x30b/0xad8
[  249.673778]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  249.678905]  ? pvclock_read_flags+0x160/0x160
[  249.683407]  ? lapic_next_event+0x5a/0x90
[  249.687557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.693098]  ? check_preemption_disabled+0x48/0x200
[  249.698114]  ? check_preemption_disabled+0x48/0x200
[  249.703138]  ? kvm_clock_read+0x18/0x30
[  249.707119]  ? kvm_sched_clock_read+0x9/0x20
[  249.711534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.717086]  ? check_preemption_disabled+0x48/0x200
[  249.722117]  irq_exit+0x17f/0x1c0
[  249.725580]  smp_apic_timer_interrupt+0x1cb/0x760
[  249.730437]  ? smp_reschedule_interrupt+0x109/0x650
[  249.735465]  ? smp_call_function_single_interrupt+0x650/0x650
[  249.741365]  ? interrupt_entry+0xb5/0xf0
[  249.745435]  ? trace_hardirqs_off_caller+0xbb/0x300
[  249.750457]  ? trace_hardirqs_off_caller+0xbb/0x300
[  249.755497]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.760381]  ? trace_hardirqs_off+0x300/0x300
[  249.764875]  ? trace_hardirqs_off+0x300/0x300
[  249.769373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.774918]  ? check_preemption_disabled+0x48/0x200
[  249.779935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.785491]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.790350]  apic_timer_interrupt+0xf/0x20
[  249.794582]  </IRQ>
[  249.796830] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  249.801771] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  249.820677] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  249.828391] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  249.835657] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  249.843150] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  249.850417] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  249.857684] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  249.865016]  skb_clone+0x1bb/0x500
[  249.868562]  ? finish_task_switch+0x2f5/0x900
[  249.873059]  ? skb_split+0x11e0/0x11e0
[  249.876949]  ? preempt_notifier_register+0x200/0x200
[  249.882065]  ? __switch_to_asm+0x34/0x70
[  249.886123]  ? __switch_to_asm+0x34/0x70
[  249.890211]  ? __switch_to_asm+0x40/0x70
[  249.894285]  ? __switch_to_asm+0x34/0x70
[  249.898344]  ? __switch_to_asm+0x40/0x70
[  249.902402]  ? __switch_to_asm+0x34/0x70
[  249.906460]  ? __switch_to_asm+0x40/0x70
[  249.910540]  ? __switch_to_asm+0x34/0x70
[  249.914606]  ? __switch_to_asm+0x34/0x70
[  249.918672]  ? __switch_to_asm+0x40/0x70
[  249.922730]  ? __switch_to_asm+0x34/0x70
[  249.926814]  bpf_clone_redirect+0xb9/0x490
[  249.931053]  ? __schedule+0x874/0x1ed0
[  249.934949]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  249.939968]  ? __sched_text_start+0x8/0x8
[  249.944121]  ? lockdep_hardirqs_on+0x421/0x5c0
[  249.948705]  ? retint_kernel+0x2d/0x2d
[  249.952609]  ? trace_hardirqs_on_caller+0xc0/0x300
[  249.957546]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  249.962323]  ? find_held_lock+0x36/0x1c0
[  249.966394]  ? lock_acquire+0x1ed/0x520
[  249.970380]  ? bpf_test_run+0x32e/0x5a0
[  249.974354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.979894]  ? check_preemption_disabled+0x48/0x200
[  249.984933]  ? kasan_check_read+0x11/0x20
[  249.989085]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  249.994367]  ? rcu_bh_qs+0xc0/0xc0
[  249.997911]  ? preempt_schedule+0x4d/0x60
[  250.002065]  ? ___preempt_schedule+0x16/0x18
[  250.006492]  ? bpf_test_run+0x1c0/0x5a0
[  250.010492]  ? netlink_diag_dump+0x2a0/0x2a0
[  250.014921]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.020477]  ? bpf_test_init.isra.9+0x70/0x100
[  250.025077]  ? bpf_prog_test_run_skb+0x634/0xb40
[  250.029840]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  250.034685]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  250.040236]  ? fput+0x130/0x1a0
[  250.043518]  ? __bpf_prog_get+0x9b/0x290
[  250.047582]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  250.052441]  ? bpf_prog_test_run+0x130/0x1a0
[  250.056879]  ? __x64_sys_bpf+0x3d8/0x510
[  250.060960]  ? bpf_prog_get+0x20/0x20
[  250.064781]  ? ksys_ioctl+0x81/0xd0
[  250.068432]  ? do_syscall_64+0x1b9/0x820
[  250.072499]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  250.077870]  ? syscall_return_slowpath+0x5e0/0x5e0
[  250.082807]  ? trace_hardirqs_off+0x300/0x300
[  250.087305]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  250.092323]  ? recalc_sigpending_tsk+0x180/0x180
[  250.097084]  ? kasan_check_write+0x14/0x20
[  250.101324]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.106176]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  250.111569] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  250.111655] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  250.118519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  250.118525] Call Trace:
[  250.118532]  <IRQ>
[  250.118549]  dump_stack+0x1c4/0x2b4
[  250.118570]  ? dump_stack_print_info.cold.2+0x52/0x52
[  250.125111] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  250.134409]  warn_alloc.cold.118+0xb7/0x1bd
[  250.136964] syz-executor4 cpuset=
[  250.139114]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  250.142721] syz4
[  250.147911]  ? lock_downgrade+0x900/0x900
[  250.158378]  mems_allowed=0
[  250.162696]  ? trace_hardirqs_off+0xb8/0x300
[  250.184359]  ? trace_hardirqs_off+0xb8/0x300
[  250.188779]  __alloc_pages_slowpath+0x2667/0x2d80
[  250.193657]  ? warn_alloc+0x120/0x120
[  250.197475]  ? warn_alloc+0x120/0x120
[  250.201293]  ? print_usage_bug+0xc0/0xc0
[  250.205367]  ? warn_alloc+0x120/0x120
[  250.209166]  ? print_usage_bug+0xc0/0xc0
[  250.213236]  ? __lock_acquire+0x7ec/0x4ec0
[  250.217482]  ? __lock_acquire+0x7ec/0x4ec0
[  250.221724]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.227269]  ? should_fail+0x22d/0xd01
[  250.231179]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.236284]  ? __lock_acquire+0x7ec/0x4ec0
[  250.240523]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.245626]  ? __lock_acquire+0x7ec/0x4ec0
[  250.249859]  ? should_fail+0x22d/0xd01
[  250.253762]  ? mark_held_locks+0x130/0x130
[  250.258002]  ? mark_held_locks+0x130/0x130
[  250.262237]  ? graph_lock+0x170/0x170
[  250.266042]  ? graph_lock+0x170/0x170
[  250.269847]  ? graph_lock+0x170/0x170
[  250.273651]  ? print_usage_bug+0xc0/0xc0
[  250.277714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.283251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.288798]  ? check_preemption_disabled+0x48/0x200
[  250.293824]  ? check_preemption_disabled+0x48/0x200
[  250.298904]  ? __lock_is_held+0xb5/0x140
[  250.302987]  __alloc_pages_nodemask+0xa80/0xde0
[  250.307701]  ? graph_lock+0x170/0x170
[  250.311512]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  250.316524]  ? graph_lock+0x170/0x170
[  250.320334]  ? find_held_lock+0x36/0x1c0
[  250.324402]  ? ____cache_alloc_node+0x1c7/0x1e0
[  250.329070]  ? lock_downgrade+0x900/0x900
[  250.333224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.338765]  cache_grow_begin+0x91/0x8c0
[  250.342829]  ? do_raw_spin_unlock+0xa7/0x2f0
[  250.347249]  fallback_alloc+0x203/0x2e0
[  250.351244]  ____cache_alloc_node+0x1c7/0x1e0
[  250.355753]  kmem_cache_alloc_node+0xe3/0x730
[  250.360275]  ? ipv6_get_ifaddr+0x42e/0x620
[  250.364517]  __alloc_skb+0x119/0x770
[  250.368228]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  250.373513]  ? skb_scrub_packet+0x490/0x490
[  250.377840]  ? lock_downgrade+0x900/0x900
[  250.381993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.387529]  ? refcount_sub_and_test_checked+0x203/0x310
[  250.392982]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  250.398434]  ? addrconf_rs_timer+0x6f0/0x6f0
[  250.402868]  ndisc_alloc_skb+0x144/0x340
[  250.406938]  ndisc_send_rs+0x331/0x6e0
[  250.410831]  addrconf_rs_timer+0x3c0/0x6f0
[  250.415090]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.419339]  call_timer_fn+0x272/0x920
[  250.423227]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.427482]  ? process_timeout+0x40/0x40
[  250.431543]  ? find_held_lock+0x36/0x1c0
[  250.435614]  ? mark_held_locks+0xc7/0x130
[  250.439767]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.444281]  ? _raw_spin_unlock_irq+0x27/0x80
[  250.448779]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.453013]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  250.457600]  ? trace_hardirqs_on+0xbd/0x310
[  250.461927]  ? kasan_check_read+0x11/0x20
[  250.466083]  ? __run_timers+0x7da/0xc70
[  250.470063]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  250.475525]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.479779]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  250.484027]  __run_timers+0x7e5/0xc70
[  250.487855]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  250.493223]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  250.498234]  ? graph_lock+0x170/0x170
[  250.502066]  ? print_usage_bug+0xc0/0xc0
[  250.506136]  ? lock_release+0x970/0x970
[  250.510112]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  250.515307]  ? find_held_lock+0x36/0x1c0
[  250.519367]  ? graph_lock+0x170/0x170
[  250.523171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.528709]  ? check_preemption_disabled+0x48/0x200
[  250.533731]  ? __lock_is_held+0xb5/0x140
[  250.537797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.543330]  ? check_preemption_disabled+0x48/0x200
[  250.548353]  run_timer_softirq+0x52/0xb0
[  250.552422]  ? rcu_read_lock_sched_held+0x108/0x120
[  250.557438]  __do_softirq+0x30b/0xad8
[  250.561265]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  250.566375]  ? pvclock_read_flags+0x160/0x160
[  250.570916]  ? lapic_next_event+0x5a/0x90
[  250.575063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.580606]  ? check_preemption_disabled+0x48/0x200
[  250.585643]  ? check_preemption_disabled+0x48/0x200
[  250.590679]  ? kvm_clock_read+0x18/0x30
[  250.594649]  ? kvm_sched_clock_read+0x9/0x20
[  250.599059]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.604619]  ? check_preemption_disabled+0x48/0x200
[  250.609663]  irq_exit+0x17f/0x1c0
[  250.613123]  smp_apic_timer_interrupt+0x1cb/0x760
[  250.617999]  ? smp_reschedule_interrupt+0x109/0x650
[  250.623029]  ? smp_call_function_single_interrupt+0x650/0x650
[  250.628926]  ? interrupt_entry+0xb5/0xf0
[  250.633003]  ? trace_hardirqs_off_caller+0xbb/0x300
[  250.638028]  ? trace_hardirqs_off_caller+0xbb/0x300
[  250.643074]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.647928]  ? trace_hardirqs_off+0x300/0x300
[  250.652434]  ? trace_hardirqs_off+0x300/0x300
[  250.656933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.662482]  ? check_preemption_disabled+0x48/0x200
[  250.667498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.673039]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.677897]  apic_timer_interrupt+0xf/0x20
[  250.682125]  </IRQ>
[  250.684362] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  250.689692] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  250.708593] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  250.716303] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  250.723569] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  250.730858] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  250.738291] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  250.745558] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  250.752849]  ? arch_local_irq_restore+0x45/0x52
[  250.757535]  dump_stack+0x26a/0x2b4
[  250.761163]  ? dump_stack_print_info.cold.2+0x52/0x52
[  250.766356]  ? mark_held_locks+0x130/0x130
[  250.770590]  ? mark_held_locks+0x130/0x130
[  250.774830]  dump_header+0x27b/0xf72
[  250.778563]  ? pagefault_out_of_memory+0x197/0x197
[  250.783499]  ? mark_held_locks+0x130/0x130
[  250.787735]  ? __lock_acquire+0x7ec/0x4ec0
[  250.791970]  ? mem_cgroup_charge_statistics+0x780/0x780
[  250.797336]  ? print_usage_bug+0xc0/0xc0
[  250.801404]  ? print_usage_bug+0xc0/0xc0
[  250.805481]  ? graph_lock+0x170/0x170
[  250.809284]  ? graph_lock+0x170/0x170
[  250.813097]  ? print_usage_bug+0xc0/0xc0
[  250.817155]  ? print_usage_bug+0xc0/0xc0
[  250.821226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.826768]  ? find_held_lock+0x36/0x1c0
[  250.830836]  ? mark_held_locks+0xc7/0x130
[  250.834988]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  250.840092]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  250.845194]  ? lockdep_hardirqs_on+0x421/0x5c0
[  250.849778]  ? trace_hardirqs_on+0xbd/0x310
[  250.854101]  ? kasan_check_read+0x11/0x20
[  250.858247]  ? ___ratelimit+0x36f/0x655
[  250.862226]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  250.867691]  ? trace_hardirqs_on+0x310/0x310
[  250.872103]  ? lock_downgrade+0x900/0x900
[  250.876278]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  250.881407]  ? ___ratelimit+0xaa/0x655
[  250.885300]  ? idr_get_free+0xec0/0xec0
[  250.889284]  ? kasan_check_write+0x14/0x20
[  250.893520]  ? do_raw_spin_lock+0xc1/0x200
[  250.897761]  oom_kill_process.cold.27+0x10/0x903
[  250.902520]  ? graph_lock+0x170/0x170
[  250.906323]  ? _raw_spin_unlock+0x2c/0x50
[  250.910490]  ? oom_badness+0xe6/0xaa0
[  250.914310]  ? oom_evaluate_task+0x540/0x540
[  250.918727]  ? find_held_lock+0x36/0x1c0
[  250.922807]  ? out_of_memory+0x974/0x14c0
[  250.926955]  ? lock_downgrade+0x900/0x900
[  250.931103]  ? check_preemption_disabled+0x48/0x200
[  250.936137]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  250.941963]  ? kasan_check_read+0x11/0x20
[  250.946114]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  250.951394]  ? rcu_bh_qs+0xc0/0xc0
[  250.954936]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  250.959948]  ? oom_evaluate_task+0x302/0x540
[  250.964361]  out_of_memory+0xa86/0x14c0
[  250.968349]  ? oom_killer_disable+0x3a0/0x3a0
[  250.972847]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  250.977796]  ? __mutex_add_waiter+0x2a0/0x2a0
[  250.982305]  __alloc_pages_slowpath+0x2318/0x2d80
[  250.987180]  ? warn_alloc+0x120/0x120
[  250.990974]  ? __radix_tree_lookup+0x4c0/0x4c0
[  250.995564]  ? find_get_entry+0x2f2/0xc40
[  250.999719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.005262]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  251.010194]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.015735]  ? should_fail+0x22d/0xd01
[  251.019630]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.024754]  ? __lock_is_held+0xb5/0x140
[  251.028844]  ? __lock_is_held+0xb5/0x140
[  251.032954]  ? find_held_lock+0x36/0x1c0
[  251.037024]  ? ___might_sleep+0x1ed/0x300
[  251.041167]  ? lock_release+0x970/0x970
[  251.045152]  ? arch_local_save_flags+0x40/0x40
[  251.049758]  ? __might_sleep+0x95/0x190
[  251.053779]  __alloc_pages_nodemask+0xa80/0xde0
[  251.058474]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  251.063500]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  251.069309]  ? kasan_check_read+0x11/0x20
[  251.073454]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  251.078739]  ? graph_lock+0x170/0x170
[  251.082536]  ? print_usage_bug+0xc0/0xc0
[  251.086596]  ? graph_lock+0x170/0x170
[  251.090402]  ? graph_lock+0x170/0x170
[  251.094198]  ? __do_page_cache_readahead+0x7ce/0x980
[  251.099304]  ? find_held_lock+0x36/0x1c0
[  251.103370]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  251.108938]  alloc_pages_current+0x10c/0x210
[  251.113344]  ? lock_downgrade+0x900/0x900
[  251.117515]  __page_cache_alloc+0x38f/0x5b0
[  251.121836]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  251.127633]  ? kasan_check_read+0x11/0x20
[  251.131784]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  251.137058]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  251.141737]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.147317]  ? check_preemption_disabled+0x48/0x200
[  251.152338]  filemap_fault+0x1594/0x25f0
[  251.156405]  ? __lock_page_or_retry+0xa00/0xa00
[  251.161070]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  251.166874]  ? kasan_check_read+0x11/0x20
[  251.171019]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  251.176309]  ? rcu_bh_qs+0xc0/0xc0
[  251.179856]  ? print_usage_bug+0xc0/0xc0
[  251.183929]  ? filemap_map_pages+0xdea/0x1980
[  251.188437]  ? print_usage_bug+0xc0/0xc0
[  251.192515]  ? find_get_pages_range_tag+0x1320/0x1320
[  251.197706]  ? print_usage_bug+0xc0/0xc0
[  251.201769]  ? __lock_acquire+0x7ec/0x4ec0
[  251.206015]  ? graph_lock+0x170/0x170
[  251.209830]  ? __sigqueue_free.part.27+0x7d/0xa0
[  251.214598]  ? __lock_acquire+0x7ec/0x4ec0
[  251.218846]  ? lock_acquire+0x1ed/0x520
[  251.222818]  ? ext4_filemap_fault+0x7a/0xad
[  251.227144]  ? lock_release+0x970/0x970
[  251.231118]  ? arch_local_save_flags+0x40/0x40
[  251.235711]  ? mark_held_locks+0x130/0x130
[  251.239961]  ? down_read+0xb0/0x1d0
[  251.243617]  ? ext4_filemap_fault+0x7a/0xad
[  251.247952]  ? __down_interruptible+0x700/0x700
[  251.252632]  ? graph_lock+0x170/0x170
[  251.256434]  ? __sigqueue_free.part.27+0x7d/0xa0
[  251.261224]  ext4_filemap_fault+0x82/0xad
[  251.265380]  __do_fault+0x100/0x6b0
[  251.269007]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  251.274293]  ? print_bad_pte+0x6c0/0x6c0
[  251.278363]  ? pmd_val+0x88/0x100
[  251.281818]  ? add_mm_counter_fast+0xd0/0xd0
[  251.286222]  ? pmd_val+0x88/0x100
[  251.289677]  ? add_mm_counter_fast+0xd0/0xd0
[  251.294107]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.299662]  __handle_mm_fault+0x3709/0x53e0
[  251.304085]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  251.308929]  ? graph_lock+0x170/0x170
[  251.312733]  ? print_usage_bug+0xc0/0xc0
[  251.316797]  ? graph_lock+0x170/0x170
[  251.320630]  ? graph_lock+0x170/0x170
[  251.324461]  ? handle_mm_fault+0x42a/0xc70
[  251.328715]  ? lock_downgrade+0x900/0x900
[  251.332874]  ? check_preemption_disabled+0x48/0x200
[  251.337898]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  251.343706]  ? kasan_check_read+0x11/0x20
[  251.347852]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  251.353126]  ? rcu_bh_qs+0xc0/0xc0
[  251.356661]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  251.362121]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.367702]  ? check_preemption_disabled+0x48/0x200
[  251.372724]  handle_mm_fault+0x54f/0xc70
[  251.376809]  ? __handle_mm_fault+0x53e0/0x53e0
[  251.381391]  ? find_vma+0x34/0x190
[  251.384960]  __do_page_fault+0x67d/0xed0
[  251.389042]  ? mm_fault_error+0x380/0x380
[  251.393195]  ? syscall_slow_exit_work+0x520/0x520
[  251.398039]  do_page_fault+0xf2/0x7e0
[  251.401835]  ? vmalloc_sync_all+0x30/0x30
[  251.405979]  ? error_entry+0x70/0xd0
[  251.409722]  ? trace_hardirqs_off_caller+0xbb/0x300
[  251.414764]  ? trace_hardirqs_on_caller+0xc0/0x300
[  251.419695]  ? syscall_return_slowpath+0x5e0/0x5e0
[  251.424624]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.429475]  ? trace_hardirqs_off+0x300/0x300
[  251.433973]  ? trace_hardirqs_off_caller+0x300/0x300
[  251.439102]  ? prepare_exit_to_usermode+0x291/0x3b0
[  251.444115]  ? page_fault+0x8/0x30
[  251.447657]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.452523]  ? page_fault+0x8/0x30
[  251.456081]  page_fault+0x1e/0x30
[  251.459555] RIP: 0033:0x45db60
[  251.462769] Code: Bad RIP value.
[  251.466216] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  251.471580] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  251.478846] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  251.486111] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  251.493393] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  251.500658] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  251.507945] warn_alloc_show_mem: 1 callbacks suppressed
[  251.507957] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  251.507959] Mem-Info:
[  251.508000] active_anon:41581 inactive_anon:372 isolated_anon:0
[  251.508000]  active_file:17 inactive_file:16 isolated_file:0
[  251.508000]  unevictable:0 dirty:0 writeback:0 unstable:0
[  251.508000]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  251.508000]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  251.508000]  free:13699 free_pcp:281 free_cma:0
[  251.513342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  251.520560] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  251.522961] Call Trace:
[  251.555850] Node 0 
[  251.565203]  <IRQ>
[  251.592984] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  251.595552]  dump_stack+0x1c4/0x2b4
[  251.597768] lowmem_reserve[]: 0
[  251.599944]  ? dump_stack_print_info.cold.2+0x52/0x52
[  251.625418]  2817 6321
[  251.629079]  warn_alloc.cold.118+0xb7/0x1bd
[  251.632338]  6321
[  251.637521]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  251.644307]  ? lock_downgrade+0x900/0x900
[  251.646348] Node 0 
[  251.651189]  ? trace_hardirqs_off+0xb8/0x300
[  251.655337] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  251.657562]  ? trace_hardirqs_off+0xb8/0x300
[  251.661945] lowmem_reserve[]:
[  251.688932]  __alloc_pages_slowpath+0x2667/0x2d80
[  251.693314]  0
[  251.696441]  ? warn_alloc+0x120/0x120
[  251.701239]  0
[  251.703043]  ? warn_alloc+0x120/0x120
[  251.706818]  3503
[  251.708615]  ? print_usage_bug+0xc0/0xc0
[  251.712400]  3503
[  251.714458]  ? warn_alloc+0x120/0x120
[  251.718506] Node 0 
[  251.720568]  ? print_usage_bug+0xc0/0xc0
[  251.724377] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  251.726587]  ? __lock_acquire+0x7ec/0x4ec0
[  251.730617] lowmem_reserve[]: 0
[  251.759182]  ? __lock_acquire+0x7ec/0x4ec0
[  251.763422]  0
[  251.766704]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.770924]  0
[  251.772736]  ? should_fail+0x22d/0xd01
[  251.778244]  0
[  251.780078]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.785744]  ? __lock_acquire+0x7ec/0x4ec0
[  251.790826] Node 0 DMA: 
[  251.795065]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.795080]  ? __lock_acquire+0x7ec/0x4ec0
[  251.797758] 1*4kB 
[  251.802876]  ? should_fail+0x22d/0xd01
[  251.807089] (U) 
[  251.809237]  ? mark_held_locks+0x130/0x130
[  251.813116] 0*8kB 
[  251.815092]  ? mark_held_locks+0x130/0x130
[  251.819311] 0*16kB 
[  251.821475]  ? graph_lock+0x170/0x170
[  251.825686] 1*32kB 
[  251.827914]  ? graph_lock+0x170/0x170
[  251.831698] (U) 
[  251.833927]  ? graph_lock+0x170/0x170
[  251.837707] 2*64kB 
[  251.839688]  ? print_usage_bug+0xc0/0xc0
[  251.843967] (U) 1*128kB 
[  251.846216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.850250] (U) 
[  251.852915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.858421] 1*256kB (U) 
[  251.860435]  ? check_preemption_disabled+0x48/0x200
[  251.865949] 0*512kB 
[  251.868627]  ? check_preemption_disabled+0x48/0x200
[  251.873618] 1*1024kB 
[  251.875954]  ? __lock_is_held+0xb5/0x140
[  251.881644] (U) 1*2048kB 
[  251.884065]  __alloc_pages_nodemask+0xa80/0xde0
[  251.888098] (M) 
[  251.890848]  ? graph_lock+0x170/0x170
[  251.895499] 3*4096kB 
[  251.897480]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  251.901263] (M) 
[  251.903672]  ? graph_lock+0x170/0x170
[  251.908662] = 15908kB
[  251.908671] Node 0 
[  251.910654]  ? find_held_lock+0x36/0x1c0
[  251.914422] DMA32: 2*4kB 
[  251.916844]  ? ____cache_alloc_node+0x1c7/0x1e0
[  251.919050] (M) 
[  251.923133]  ? lock_downgrade+0x900/0x900
[  251.925861] 1*8kB (U) 
[  251.930554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.932508] 3*16kB 
[  251.936654]  cache_grow_begin+0x91/0x8c0
[  251.939125] (M) 
[  251.944659]  ? do_raw_spin_unlock+0xa7/0x2f0
[  251.946872] 1*32kB 
[  251.950932]  fallback_alloc+0x203/0x2e0
[  251.952886] (M) 
[  251.957293]  ____cache_alloc_node+0x1c7/0x1e0
[  251.959503] 3*64kB (UM) 
[  251.963517]  kmem_cache_alloc_node+0xe3/0x730
[  251.965480] 3*128kB 
[  251.969971]  ? ipv6_get_ifaddr+0x42e/0x620
[  251.972629] (M) 
[  251.977126]  __alloc_skb+0x119/0x770
[  251.979424] 3*256kB 
[  251.983666]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  251.985618] (UM) 
[  251.989332]  ? skb_scrub_packet+0x490/0x490
[  251.991632] 4*512kB 
[  251.996897]  ? lock_downgrade+0x900/0x900
[  251.998974] (UM) 
[  252.003296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.005616] 3*1024kB 
[  252.009766]  ? refcount_sub_and_test_checked+0x203/0x310
[  252.011801] (M) 
[  252.017334]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  252.019725] 1*2048kB 
[  252.025188]  ? addrconf_rs_timer+0x6f0/0x6f0
[  252.027188] (U) 
[  252.032641]  ndisc_alloc_skb+0x144/0x340
[  252.035022] 4*4096kB (M) 
[  252.039433]  ndisc_send_rs+0x331/0x6e0
[  252.041387] = 24992kB
[  252.045462]  addrconf_rs_timer+0x3c0/0x6f0
[  252.048213] Node 0 
[  252.052094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.054481] Normal: 882*4kB 
[  252.058733]  call_timer_fn+0x272/0x920
[  252.060936] (UME) 
[  252.065180]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.068171] 426*8kB (MEH) 
[  252.072061]  ? process_timeout+0x40/0x40
[  252.074184] 175*16kB (UME) 
[  252.078421]  ? find_held_lock+0x36/0x1c0
[  252.081243] 71*32kB 
[  252.085326]  ? __run_timers+0x7da/0xc70
[  252.088229] (UMEH) 
[  252.092285]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.094585] 10*64kB 
[  252.098562]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.100781] (UMH) 
[  252.105283]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.107581] 2*128kB 
[  252.112072]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  252.114198] (H) 
[  252.118443]  ? trace_hardirqs_on+0xbd/0x310
[  252.120742] 0*256kB 
[  252.125323]  ? kasan_check_read+0x11/0x20
[  252.127274] 2*512kB 
[  252.131588]  ? __run_timers+0x7da/0xc70
[  252.133885] (UH) 
[  252.138033]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  252.140333] 0*1024kB 
[  252.144306]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.146376] 0*2048kB 
[  252.151828]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.154214] 0*4096kB 
[  252.158441]  __run_timers+0x7e5/0xc70
[  252.160826] = 13928kB
[  252.165067]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  252.167455] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  252.171262]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  252.173661] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  252.179011]  ? graph_lock+0x170/0x170
[  252.187838] 412 total pagecache pages
[  252.192848]  ? enqueue_hrtimer+0x1a5/0x560
[  252.201410] 0 pages in swap cache
[  252.205195]  ? lock_release+0x970/0x970
[  252.208975] Swap cache stats: add 0, delete 0, find 0/0
[  252.213201]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  252.216631] Free swap  = 0kB
[  252.220600]  ? find_held_lock+0x36/0x1c0
[  252.225942] Total swap = 0kB
[  252.231136]  ? graph_lock+0x170/0x170
[  252.234132] 1965979 pages RAM
[  252.238203]  ? pvclock_read_flags+0x160/0x160
[  252.241215] 0 pages HighMem/MovableOnly
[  252.245023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.248105] 342744 pages reserved
[  252.252600]  ? check_preemption_disabled+0x48/0x200
[  252.256548] 0 pages cma reserved
[  252.262103]  ? __lock_is_held+0xb5/0x140
[  252.265613] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  252.270544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.273993] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  252.277985]  ? check_preemption_disabled+0x48/0x200
[  252.284450] syz-fuzzer cpuset=
[  252.290008]  run_timer_softirq+0x52/0xb0
[  252.302028] /
[  252.307045]  ? rcu_read_lock_sched_held+0x108/0x120
[  252.310215]  mems_allowed=0
[  252.314279]  __do_softirq+0x30b/0xad8
[  252.327713]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  252.332825]  ? pvclock_read_flags+0x160/0x160
[  252.337321]  ? lapic_next_event+0x5a/0x90
[  252.341480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.347022]  ? check_preemption_disabled+0x48/0x200
[  252.352041]  ? check_preemption_disabled+0x48/0x200
[  252.357076]  ? kvm_clock_read+0x18/0x30
[  252.361063]  ? kvm_sched_clock_read+0x9/0x20
[  252.365494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.371036]  ? check_preemption_disabled+0x48/0x200
[  252.376068]  irq_exit+0x17f/0x1c0
[  252.379525]  smp_apic_timer_interrupt+0x1cb/0x760
[  252.384367]  ? smp_reschedule_interrupt+0x109/0x650
[  252.389388]  ? smp_call_function_single_interrupt+0x650/0x650
[  252.395277]  ? interrupt_entry+0xb5/0xf0
[  252.399351]  ? trace_hardirqs_off_caller+0xbb/0x300
[  252.404399]  ? trace_hardirqs_off_caller+0xbb/0x300
[  252.409424]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.414275]  ? trace_hardirqs_off+0x300/0x300
[  252.418778]  ? trace_hardirqs_off+0x300/0x300
[  252.423297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.428849]  ? check_preemption_disabled+0x48/0x200
[  252.433873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.439430]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.444304]  apic_timer_interrupt+0xf/0x20
[  252.448571]  </IRQ>
[  252.450826] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  252.455775] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  252.474690] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  252.482439] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  252.489736] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  252.497017] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  252.504294] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  252.511575] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  252.518908]  skb_clone+0x1bb/0x500
[  252.522488]  ? finish_task_switch+0x2f5/0x900
[  252.527002]  ? skb_split+0x11e0/0x11e0
[  252.530908]  ? preempt_notifier_register+0x200/0x200
[  252.536023]  ? __switch_to_asm+0x34/0x70
[  252.540117]  ? __switch_to_asm+0x34/0x70
[  252.544213]  ? __switch_to_asm+0x40/0x70
[  252.548286]  ? __switch_to_asm+0x34/0x70
[  252.552357]  ? __switch_to_asm+0x40/0x70
[  252.556424]  ? __switch_to_asm+0x34/0x70
[  252.560516]  ? __switch_to_asm+0x40/0x70
[  252.564588]  ? __switch_to_asm+0x34/0x70
[  252.568850]  ? __switch_to_asm+0x34/0x70
[  252.572918]  ? __switch_to_asm+0x40/0x70
[  252.576987]  ? __switch_to_asm+0x34/0x70
[  252.581075]  bpf_clone_redirect+0xb9/0x490
[  252.585330]  ? __schedule+0x874/0x1ed0
[  252.589239]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  252.594288]  ? __sched_text_start+0x8/0x8
[  252.598452]  ? lockdep_hardirqs_on+0x421/0x5c0
[  252.603065]  ? retint_kernel+0x2d/0x2d
[  252.606967]  ? trace_hardirqs_on_caller+0xc0/0x300
[  252.611914]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  252.616690]  ? find_held_lock+0x36/0x1c0
[  252.620777]  ? lock_acquire+0x1ed/0x520
[  252.624772]  ? bpf_test_run+0x32e/0x5a0
[  252.628773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.634327]  ? check_preemption_disabled+0x48/0x200
[  252.639372]  ? kasan_check_read+0x11/0x20
[  252.643534]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  252.648831]  ? rcu_bh_qs+0xc0/0xc0
[  252.652385]  ? preempt_schedule+0x4d/0x60
[  252.656547]  ? ___preempt_schedule+0x16/0x18
[  252.660979]  ? bpf_test_run+0x1c0/0x5a0
[  252.664977]  ? netlink_diag_dump+0x2a0/0x2a0
[  252.669403]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.674950]  ? bpf_test_init.isra.9+0x70/0x100
[  252.679552]  ? bpf_prog_test_run_skb+0x634/0xb40
[  252.684327]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  252.689180]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  252.694731]  ? fput+0x130/0x1a0
[  252.698030]  ? __bpf_prog_get+0x9b/0x290
[  252.702108]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  252.706961]  ? bpf_prog_test_run+0x130/0x1a0
[  252.711389]  ? __x64_sys_bpf+0x3d8/0x510
[  252.715462]  ? bpf_prog_get+0x20/0x20
[  252.719309]  ? ksys_ioctl+0x81/0xd0
[  252.722959]  ? do_syscall_64+0x1b9/0x820
[  252.727032]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  252.732575]  ? syscall_return_slowpath+0x5e0/0x5e0
[  252.737613]  ? trace_hardirqs_off+0x300/0x300
[  252.742121]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  252.747252]  ? recalc_sigpending_tsk+0x180/0x180
[  252.752026]  ? kasan_check_write+0x14/0x20
[  252.756286]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.761174]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  252.766657] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  252.766744] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  252.773605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  252.773614] Call Trace:
[  252.780409] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  252.789546]  <IRQ>
[  252.789567]  dump_stack+0x1c4/0x2b4
[  252.789584]  ? dump_stack_print_info.cold.2+0x52/0x52
[  252.792352] syz-executor4 cpuset=
[  252.802865]  warn_alloc.cold.118+0xb7/0x1bd
[  252.805176] syz4
[  252.808752]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  252.808771]  ? lock_downgrade+0x900/0x900
[  252.808799]  ? trace_hardirqs_off+0xb8/0x300
[  252.808820]  ? trace_hardirqs_off+0xb8/0x300
[  252.814159]  mems_allowed=0
[  252.817625]  __alloc_pages_slowpath+0x2667/0x2d80
[  252.849531]  ? warn_alloc+0x120/0x120
[  252.853359]  ? warn_alloc+0x120/0x120
[  252.857181]  ? print_usage_bug+0xc0/0xc0
[  252.861265]  ? warn_alloc+0x120/0x120
[  252.865080]  ? print_usage_bug+0xc0/0xc0
[  252.869161]  ? __lock_acquire+0x7ec/0x4ec0
[  252.873410]  ? __lock_acquire+0x7ec/0x4ec0
[  252.877660]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.883212]  ? should_fail+0x22d/0xd01
[  252.887117]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.892233]  ? __lock_acquire+0x7ec/0x4ec0
[  252.896510]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.901630]  ? __lock_acquire+0x7ec/0x4ec0
[  252.905883]  ? should_fail+0x22d/0xd01
[  252.909825]  ? mark_held_locks+0x130/0x130
[  252.914073]  ? mark_held_locks+0x130/0x130
[  252.918322]  ? graph_lock+0x170/0x170
[  252.922134]  ? graph_lock+0x170/0x170
[  252.925947]  ? graph_lock+0x170/0x170
[  252.929772]  ? print_usage_bug+0xc0/0xc0
[  252.933849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.939404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.944961]  ? check_preemption_disabled+0x48/0x200
[  252.949993]  ? check_preemption_disabled+0x48/0x200
[  252.955031]  ? __lock_is_held+0xb5/0x140
[  252.959112]  __alloc_pages_nodemask+0xa80/0xde0
[  252.963803]  ? graph_lock+0x170/0x170
[  252.967629]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  252.972672]  ? graph_lock+0x170/0x170
[  252.976520]  ? find_held_lock+0x36/0x1c0
[  252.980612]  ? ____cache_alloc_node+0x1c7/0x1e0
[  252.985296]  ? lock_downgrade+0x900/0x900
[  252.989515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.995077]  cache_grow_begin+0x91/0x8c0
[  252.999170]  ? do_raw_spin_unlock+0xa7/0x2f0
[  253.003607]  fallback_alloc+0x203/0x2e0
[  253.007601]  ____cache_alloc_node+0x1c7/0x1e0
[  253.012117]  kmem_cache_alloc_node+0xe3/0x730
[  253.016633]  ? ipv6_get_ifaddr+0x42e/0x620
[  253.020890]  __alloc_skb+0x119/0x770
[  253.024620]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  253.029916]  ? skb_scrub_packet+0x490/0x490
[  253.034262]  ? lock_downgrade+0x900/0x900
[  253.038432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.044008]  ? refcount_sub_and_test_checked+0x203/0x310
[  253.049625]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  253.055094]  ? addrconf_rs_timer+0x6f0/0x6f0
[  253.059546]  ndisc_alloc_skb+0x144/0x340
[  253.063630]  ndisc_send_rs+0x331/0x6e0
[  253.067544]  addrconf_rs_timer+0x3c0/0x6f0
[  253.071804]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.076075]  call_timer_fn+0x272/0x920
[  253.079981]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.084233]  ? process_timeout+0x40/0x40
[  253.088308]  ? find_held_lock+0x36/0x1c0
[  253.092404]  ? mark_held_locks+0xc7/0x130
[  253.096569]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.101076]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.105587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.109836]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  253.114432]  ? trace_hardirqs_on+0xbd/0x310
[  253.118796]  ? kasan_check_read+0x11/0x20
[  253.122959]  ? __run_timers+0x7da/0xc70
[  253.126948]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  253.132421]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.136678]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.140929]  __run_timers+0x7e5/0xc70
[  253.144762]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  253.150140]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  253.155173]  ? graph_lock+0x170/0x170
[  253.159004]  ? print_usage_bug+0xc0/0xc0
[  253.163075]  ? lock_release+0x970/0x970
[  253.167062]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  253.172278]  ? find_held_lock+0x36/0x1c0
[  253.176357]  ? graph_lock+0x170/0x170
[  253.180175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.185729]  ? check_preemption_disabled+0x48/0x200
[  253.190771]  ? __lock_is_held+0xb5/0x140
[  253.194850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.200406]  ? check_preemption_disabled+0x48/0x200
[  253.205446]  run_timer_softirq+0x52/0xb0
[  253.209547]  ? rcu_read_lock_sched_held+0x108/0x120
[  253.214580]  __do_softirq+0x30b/0xad8
[  253.218405]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  253.223530]  ? pvclock_read_flags+0x160/0x160
[  253.228040]  ? lapic_next_event+0x5a/0x90
[  253.232203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.237762]  ? check_preemption_disabled+0x48/0x200
[  253.242791]  ? check_preemption_disabled+0x48/0x200
[  253.247831]  ? kvm_clock_read+0x18/0x30
[  253.251820]  ? kvm_sched_clock_read+0x9/0x20
[  253.256245]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.261806]  ? check_preemption_disabled+0x48/0x200
[  253.266848]  irq_exit+0x17f/0x1c0
[  253.270327]  smp_apic_timer_interrupt+0x1cb/0x760
[  253.275185]  ? smp_reschedule_interrupt+0x109/0x650
[  253.280228]  ? smp_call_function_single_interrupt+0x650/0x650
[  253.286134]  ? interrupt_entry+0xb5/0xf0
[  253.290213]  ? trace_hardirqs_off_caller+0xbb/0x300
[  253.295242]  ? trace_hardirqs_off_caller+0xbb/0x300
[  253.300286]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.305144]  ? trace_hardirqs_off+0x300/0x300
[  253.309653]  ? trace_hardirqs_off+0x300/0x300
[  253.314164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.319721]  ? check_preemption_disabled+0x48/0x200
[  253.324756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.330320]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.335193]  apic_timer_interrupt+0xf/0x20
[  253.339435]  </IRQ>
[  253.341710] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  253.347001] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  253.365909] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  253.373641] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  253.380917] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  253.388210] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  253.395507] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  253.402798] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  253.410132]  ? arch_local_irq_restore+0x45/0x52
[  253.414831]  dump_stack+0x26a/0x2b4
[  253.418502]  ? dump_stack_print_info.cold.2+0x52/0x52
[  253.423713]  ? mark_held_locks+0x130/0x130
[  253.427992]  ? mark_held_locks+0x130/0x130
[  253.432251]  dump_header+0x27b/0xf72
[  253.436003]  ? pagefault_out_of_memory+0x197/0x197
[  253.440956]  ? mark_held_locks+0x130/0x130
[  253.445207]  ? __lock_acquire+0x7ec/0x4ec0
[  253.449459]  ? mem_cgroup_charge_statistics+0x780/0x780
[  253.454861]  ? print_usage_bug+0xc0/0xc0
[  253.458933]  ? print_usage_bug+0xc0/0xc0
[  253.463021]  ? graph_lock+0x170/0x170
[  253.466835]  ? graph_lock+0x170/0x170
[  253.470647]  ? print_usage_bug+0xc0/0xc0
[  253.474722]  ? print_usage_bug+0xc0/0xc0
[  253.478819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.484372]  ? find_held_lock+0x36/0x1c0
[  253.488461]  ? mark_held_locks+0xc7/0x130
[  253.492658]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  253.497771]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  253.502891]  ? lockdep_hardirqs_on+0x421/0x5c0
[  253.507518]  ? trace_hardirqs_on+0xbd/0x310
[  253.511861]  ? kasan_check_read+0x11/0x20
[  253.516046]  ? ___ratelimit+0x36f/0x655
[  253.520049]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  253.525526]  ? trace_hardirqs_on+0x310/0x310
[  253.529950]  ? lock_downgrade+0x900/0x900
[  253.534120]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  253.539239]  ? ___ratelimit+0xaa/0x655
[  253.543151]  ? idr_get_free+0xec0/0xec0
[  253.547141]  ? kasan_check_write+0x14/0x20
[  253.551390]  ? do_raw_spin_lock+0xc1/0x200
[  253.555649]  oom_kill_process.cold.27+0x10/0x903
[  253.560422]  ? graph_lock+0x170/0x170
[  253.564237]  ? _raw_spin_unlock+0x2c/0x50
[  253.568407]  ? oom_badness+0xe6/0xaa0
[  253.572227]  ? oom_evaluate_task+0x540/0x540
[  253.576659]  ? find_held_lock+0x36/0x1c0
[  253.580738]  ? out_of_memory+0x974/0x14c0
[  253.584903]  ? lock_downgrade+0x900/0x900
[  253.589063]  ? check_preemption_disabled+0x48/0x200
[  253.594100]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  253.599924]  ? kasan_check_read+0x11/0x20
[  253.604088]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  253.609377]  ? rcu_bh_qs+0xc0/0xc0
[  253.612955]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  253.617986]  ? oom_evaluate_task+0x302/0x540
[  253.622412]  out_of_memory+0xa86/0x14c0
[  253.626410]  ? oom_killer_disable+0x3a0/0x3a0
[  253.630918]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  253.635865]  ? __mutex_add_waiter+0x2a0/0x2a0
[  253.640389]  __alloc_pages_slowpath+0x2318/0x2d80
[  253.645282]  ? warn_alloc+0x120/0x120
[  253.649096]  ? __radix_tree_lookup+0x4c0/0x4c0
[  253.653709]  ? find_get_entry+0x2f2/0xc40
[  253.657880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.663441]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  253.668410]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.673966]  ? should_fail+0x22d/0xd01
[  253.677876]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.682989]  ? __lock_is_held+0xb5/0x140
[  253.687085]  ? __lock_is_held+0xb5/0x140
[  253.691187]  ? find_held_lock+0x36/0x1c0
[  253.695270]  ? ___might_sleep+0x1ed/0x300
[  253.699429]  ? lock_release+0x970/0x970
[  253.703418]  ? arch_local_save_flags+0x40/0x40
[  253.708029]  ? __might_sleep+0x95/0x190
[  253.712025]  __alloc_pages_nodemask+0xa80/0xde0
[  253.716720]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  253.721754]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  253.727569]  ? kasan_check_read+0x11/0x20
[  253.731821]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  253.737115]  ? graph_lock+0x170/0x170
[  253.740933]  ? print_usage_bug+0xc0/0xc0
[  253.745034]  ? graph_lock+0x170/0x170
[  253.748842]  ? graph_lock+0x170/0x170
[  253.752656]  ? __do_page_cache_readahead+0x7ce/0x980
[  253.757776]  ? find_held_lock+0x36/0x1c0
[  253.761859]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  253.767418]  alloc_pages_current+0x10c/0x210
[  253.771899]  ? lock_downgrade+0x900/0x900
[  253.776067]  __page_cache_alloc+0x38f/0x5b0
[  253.780402]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  253.786211]  ? kasan_check_read+0x11/0x20
[  253.790375]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  253.795669]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  253.800356]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.805910]  ? check_preemption_disabled+0x48/0x200
[  253.810970]  filemap_fault+0x1594/0x25f0
[  253.815061]  ? __lock_page_or_retry+0xa00/0xa00
[  253.819750]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  253.825587]  ? kasan_check_read+0x11/0x20
[  253.829755]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  253.835051]  ? rcu_bh_qs+0xc0/0xc0
[  253.838614]  ? print_usage_bug+0xc0/0xc0
[  253.843263]  ? filemap_map_pages+0xdea/0x1980
[  253.847781]  ? print_usage_bug+0xc0/0xc0
[  253.851870]  ? find_get_pages_range_tag+0x1320/0x1320
[  253.857072]  ? print_usage_bug+0xc0/0xc0
[  253.861167]  ? __lock_acquire+0x7ec/0x4ec0
[  253.865419]  ? graph_lock+0x170/0x170
[  253.869236]  ? __sigqueue_free.part.27+0x7d/0xa0
[  253.874018]  ? __lock_acquire+0x7ec/0x4ec0
[  253.878289]  ? lock_acquire+0x1ed/0x520
[  253.882287]  ? ext4_filemap_fault+0x7a/0xad
[  253.886627]  ? lock_release+0x970/0x970
[  253.890616]  ? arch_local_save_flags+0x40/0x40
[  253.895212]  ? mark_held_locks+0x130/0x130
[  253.899500]  ? down_read+0xb0/0x1d0
[  253.903154]  ? ext4_filemap_fault+0x7a/0xad
[  253.907509]  ? __down_interruptible+0x700/0x700
[  253.912196]  ? graph_lock+0x170/0x170
[  253.916012]  ? __sigqueue_free.part.27+0x7d/0xa0
[  253.920794]  ext4_filemap_fault+0x82/0xad
[  253.924973]  __do_fault+0x100/0x6b0
[  253.928630]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  253.933928]  ? print_bad_pte+0x6c0/0x6c0
[  253.938018]  ? pmd_val+0x88/0x100
[  253.941514]  ? add_mm_counter_fast+0xd0/0xd0
[  253.945935]  ? pmd_val+0x88/0x100
[  253.949400]  ? add_mm_counter_fast+0xd0/0xd0
[  253.953827]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.959387]  __handle_mm_fault+0x3709/0x53e0
[  253.963818]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  253.968681]  ? graph_lock+0x170/0x170
[  253.972521]  ? print_usage_bug+0xc0/0xc0
[  253.976600]  ? graph_lock+0x170/0x170
[  253.980410]  ? graph_lock+0x170/0x170
[  253.984244]  ? handle_mm_fault+0x42a/0xc70
[  253.988519]  ? lock_downgrade+0x900/0x900
[  253.992688]  ? check_preemption_disabled+0x48/0x200
[  253.997725]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  254.003541]  ? kasan_check_read+0x11/0x20
[  254.007703]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  254.012995]  ? rcu_bh_qs+0xc0/0xc0
[  254.016548]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  254.022014]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.027573]  ? check_preemption_disabled+0x48/0x200
[  254.032617]  handle_mm_fault+0x54f/0xc70
[  254.036697]  ? __handle_mm_fault+0x53e0/0x53e0
[  254.041305]  ? find_vma+0x34/0x190
[  254.044865]  __do_page_fault+0x67d/0xed0
[  254.048953]  ? mm_fault_error+0x380/0x380
[  254.053123]  ? syscall_slow_exit_work+0x520/0x520
[  254.057983]  do_page_fault+0xf2/0x7e0
[  254.061797]  ? vmalloc_sync_all+0x30/0x30
[  254.065960]  ? error_entry+0x70/0xd0
[  254.069690]  ? trace_hardirqs_off_caller+0xbb/0x300
[  254.074716]  ? trace_hardirqs_on_caller+0xc0/0x300
[  254.079660]  ? syscall_return_slowpath+0x5e0/0x5e0
[  254.084607]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.089485]  ? trace_hardirqs_off+0x300/0x300
[  254.094081]  ? trace_hardirqs_off_caller+0x300/0x300
[  254.099202]  ? prepare_exit_to_usermode+0x291/0x3b0
[  254.104233]  ? page_fault+0x8/0x30
[  254.107796]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.112657]  ? page_fault+0x8/0x30
[  254.116215]  page_fault+0x1e/0x30
[  254.119681] RIP: 0033:0x45db60
[  254.122889] Code: Bad RIP value.
[  254.126265] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  254.131642] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  254.138926] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  254.146208] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  254.153507] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  254.160790] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  254.168134] warn_alloc_show_mem: 1 callbacks suppressed
[  254.168147] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  254.168149] Mem-Info:
[  254.168181] active_anon:41581 inactive_anon:372 isolated_anon:0
[  254.168181]  active_file:17 inactive_file:16 isolated_file:0
[  254.168181]  unevictable:0 dirty:0 writeback:0 unstable:0
[  254.168181]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  254.168181]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  254.168181]  free:13699 free_pcp:281 free_cma:0
[  254.173549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  254.180767] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  254.183183] Call Trace:
[  254.216161] Node 0 
[  254.225537]  <IRQ>
[  254.253156] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  254.255737]  dump_stack+0x1c4/0x2b4
[  254.257955] lowmem_reserve[]: 0
[  254.260125]  ? dump_stack_print_info.cold.2+0x52/0x52
[  254.285627]  2817
[  254.289289]  warn_alloc.cold.118+0xb7/0x1bd
[  254.292547]  6321
[  254.297745]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  254.299798]  6321
[  254.304132]  ? lock_downgrade+0x900/0x900
[  254.311042]  ? trace_hardirqs_off+0xb8/0x300
[  254.313091] Node 0 
[  254.317250]  ? trace_hardirqs_off+0xb8/0x300
[  254.321744] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  254.323974]  __alloc_pages_slowpath+0x2667/0x2d80
[  254.328360] lowmem_reserve[]: 0
[  254.355397]  ? warn_alloc+0x120/0x120
[  254.360213]  0
[  254.363521]  ? warn_alloc+0x120/0x120
[  254.367312]  3503
[  254.369125]  ? print_usage_bug+0xc0/0xc0
[  254.372930]  3503
[  254.375026]  ? lockdep_on+0x50/0x50
[  254.379076] Node 0 
[  254.381170]  ? lock_pin_lock+0x350/0x350
[  254.384810] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  254.387039]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.391072] lowmem_reserve[]: 0
[  254.419491]  ? should_fail+0x22d/0xd01
[  254.425019]  0
[  254.428310]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.432183]  0
[  254.434010]  ? __lock_acquire+0x7ec/0x4ec0
[  254.439094]  0
[  254.440915]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.445134] Node 0 
[  254.446949]  ? __lock_acquire+0x2881/0x4ec0
[  254.452054] DMA: 
[  254.454302]  ? should_fail+0x22d/0xd01
[  254.458614] 1*4kB 
[  254.460687]  ? check_preemption_disabled+0x48/0x200
[  254.464572] (U) 
[  254.466741]  ? mark_held_locks+0x130/0x130
[  254.471744] 0*8kB 
[  254.473733]  ? mark_held_locks+0x130/0x130
[  254.477957] 0*16kB 
[  254.480118]  ? kasan_check_read+0x11/0x20
[  254.484337] 1*32kB 
[  254.486579]  ? __lock_acquire+0x2881/0x4ec0
[  254.490717] (U) 
[  254.493011]  ? graph_lock+0x170/0x170
[  254.497310] 2*64kB (U) 
[  254.499307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.503088] 1*128kB (U) 
[  254.505693]  ? check_preemption_disabled+0x48/0x200
[  254.511217] 1*256kB 
[  254.513897]  ? check_preemption_disabled+0x48/0x200
[  254.518998] (U) 
[  254.521337]  ? __lock_is_held+0xb5/0x140
[  254.526340] 0*512kB 
[  254.528326]  __alloc_pages_nodemask+0xa80/0xde0
[  254.532370] 1*1024kB 
[  254.534699]  ? graph_lock+0x170/0x170
[  254.539349] (U) 1*2048kB 
[  254.541783]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  254.545576] (M) 
[  254.548340]  ? graph_lock+0x170/0x170
[  254.553339] 3*4096kB (M) 
[  254.555339]  ? find_held_lock+0x36/0x1c0
[  254.559188] = 15908kB
[  254.561959]  ? ____cache_alloc_node+0x1c7/0x1e0
[  254.566001] Node 0 
[  254.568421]  ? lock_downgrade+0x900/0x900
[  254.573081] DMA32: 
[  254.575333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.579492] 2*4kB 
[  254.581738]  cache_grow_begin+0x91/0x8c0
[  254.587261] (M) 
[  254.589422]  ? do_raw_spin_unlock+0xa7/0x2f0
[  254.593489] 1*8kB (U) 
[  254.595510]  fallback_alloc+0x203/0x2e0
[  254.599906] 3*16kB 
[  254.602416]  ____cache_alloc_node+0x1c7/0x1e0
[  254.606373] (M) 
[  254.608624]  kmem_cache_alloc_node+0xe3/0x730
[  254.613114] 1*32kB 
[  254.615111]  ? do_raw_spin_unlock+0xa7/0x2f0
[  254.619589] (M) 3*64kB 
[  254.621840]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  254.626231] (UM) 3*128kB 
[  254.628840]  __alloc_skb+0x119/0x770
[  254.633401] (M) 3*256kB 
[  254.636178]  ? skb_scrub_packet+0x490/0x490
[  254.639887] (UM) 
[  254.642570]  ? atomic_notifier_call_chain+0xc6/0x190
[  254.646873] 4*512kB 
[  254.649022]  ? lock_downgrade+0x900/0x900
[  254.654114] (UM) 
[  254.656455]  ? check_preemption_disabled+0x48/0x200
[  254.660612] 3*1024kB 
[  254.662689]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  254.667692] (M) 
[  254.670113]  ? kasan_check_read+0x11/0x20
[  254.675904] 1*2048kB (U) 
[  254.677895]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  254.682046] 4*4096kB 
[  254.684825]  ? rcu_bh_qs+0xc0/0xc0
[  254.690089] (M) 
[  254.692525]  ? find_next_bit+0x104/0x130
[  254.696048] = 24992kB
[  254.696057] Node 0 
[  254.698047]  ? do_raw_write_trylock+0x1c0/0x1c0
[  254.702093] Normal: 
[  254.704536]  __neigh_notify+0x8c/0x160
[  254.706787] 882*4kB 
[  254.711490]  ? __neigh_event_send+0x1390/0x1390
[  254.713803] (UME) 
[  254.717700]  neigh_timer_handler+0x6cb/0xdf0
[  254.720013] 426*8kB 
[  254.724694]  ? neigh_invalidate+0x550/0x550
[  254.726834] (MEH) 
[  254.731275]  ? __lock_is_held+0xb5/0x140
[  254.733866] 175*16kB (UME) 
[  254.738225]  call_timer_fn+0x272/0x920
[  254.740358] 71*32kB 
[  254.744430]  ? neigh_invalidate+0x550/0x550
[  254.747349] (UMEH) 
[  254.751246]  ? process_timeout+0x40/0x40
[  254.753564] 10*64kB 
[  254.757890]  ? find_held_lock+0x36/0x1c0
[  254.760140] (UMH) 
[  254.764212]  ? __run_timers+0x7da/0xc70
[  254.766528] 2*128kB 
[  254.770597]  ? _raw_spin_unlock_irq+0x27/0x80
[  254.772737] (H) 
[  254.776722]  ? _raw_spin_unlock_irq+0x27/0x80
[  254.779036] 0*256kB 
[  254.783538]  ? neigh_invalidate+0x550/0x550
[  254.785522] 2*512kB 
[  254.790026]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  254.792341] (UH) 
[  254.796675]  ? trace_hardirqs_on+0xbd/0x310
[  254.798985] 0*1024kB 0*2048kB 
[  254.803591]  ? kasan_check_read+0x11/0x20
[  254.805643] 0*4096kB 
[  254.809988]  ? __run_timers+0x7da/0xc70
[  254.813169] = 13928kB
[  254.817318]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  254.819726] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  254.823714]  ? neigh_invalidate+0x550/0x550
[  254.826109] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  254.831563]  __run_timers+0x7e5/0xc70
[  254.840386] 412 total pagecache pages
[  254.844723]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  254.853293] 0 pages in swap cache
[  254.857092]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  254.860885] Swap cache stats: add 0, delete 0, find 0/0
[  254.866255]  ? graph_lock+0x170/0x170
[  254.869774] Free swap  = 0kB
[  254.869784] Total swap = 0kB
[  254.874808]  ? enqueue_hrtimer+0x1a5/0x560
[  254.880285] 1965979 pages RAM
[  254.884089]  ? lock_release+0x970/0x970
[  254.887134] 0 pages HighMem/MovableOnly
[  254.887144] 342744 pages reserved
[  254.890170]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  254.894393] 0 pages cma reserved
[  254.897524]  ? find_held_lock+0x36/0x1c0
[  254.901580] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  254.905510]  ? graph_lock+0x170/0x170
[  254.905527]  ? pvclock_read_flags+0x160/0x160
[  254.905546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.909062] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  254.914199]  ? check_preemption_disabled+0x48/0x200
[  254.917556] syz-fuzzer cpuset=
[  254.921629]  ? __lock_is_held+0xb5/0x140
[  254.928111] /
[  254.931925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.936412]  mems_allowed=0
[  254.941957]  ? check_preemption_disabled+0x48/0x200
[  254.979636]  run_timer_softirq+0x52/0xb0
[  254.983718]  ? rcu_read_lock_sched_held+0x108/0x120
[  254.988751]  __do_softirq+0x30b/0xad8
[  254.992585]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  254.997706]  ? pvclock_read_flags+0x160/0x160
[  255.002217]  ? lapic_next_event+0x5a/0x90
[  255.006379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.011936]  ? check_preemption_disabled+0x48/0x200
[  255.016966]  ? check_preemption_disabled+0x48/0x200
[  255.022002]  ? kvm_clock_read+0x18/0x30
[  255.025991]  ? kvm_sched_clock_read+0x9/0x20
[  255.030417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.035970]  ? check_preemption_disabled+0x48/0x200
[  255.041016]  irq_exit+0x17f/0x1c0
[  255.044512]  smp_apic_timer_interrupt+0x1cb/0x760
[  255.049371]  ? smp_reschedule_interrupt+0x109/0x650
[  255.054403]  ? smp_call_function_single_interrupt+0x650/0x650
[  255.060301]  ? interrupt_entry+0xb5/0xf0
[  255.064378]  ? trace_hardirqs_off_caller+0xbb/0x300
[  255.069402]  ? trace_hardirqs_off_caller+0xbb/0x300
[  255.074454]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.079340]  ? trace_hardirqs_off+0x300/0x300
[  255.083847]  ? trace_hardirqs_off+0x300/0x300
[  255.088357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.093912]  ? check_preemption_disabled+0x48/0x200
[  255.098938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.104517]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.109383]  apic_timer_interrupt+0xf/0x20
[  255.113626]  </IRQ>
[  255.115884] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  255.120830] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  255.139748] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  255.147502] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  255.154782] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  255.162061] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  255.169353] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  255.176632] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  255.183964]  skb_clone+0x1bb/0x500
[  255.187528]  ? finish_task_switch+0x2f5/0x900
[  255.192038]  ? skb_split+0x11e0/0x11e0
[  255.195942]  ? preempt_notifier_register+0x200/0x200
[  255.201058]  ? __switch_to_asm+0x34/0x70
[  255.205127]  ? __switch_to_asm+0x34/0x70
[  255.209200]  ? __switch_to_asm+0x40/0x70
[  255.213274]  ? __switch_to_asm+0x34/0x70
[  255.217351]  ? __switch_to_asm+0x40/0x70
[  255.221422]  ? __switch_to_asm+0x34/0x70
[  255.225517]  ? __switch_to_asm+0x40/0x70
[  255.229592]  ? __switch_to_asm+0x34/0x70
[  255.233672]  ? __switch_to_asm+0x34/0x70
[  255.237743]  ? __switch_to_asm+0x40/0x70
[  255.241822]  ? __switch_to_asm+0x34/0x70
[  255.245909]  bpf_clone_redirect+0xb9/0x490
[  255.250162]  ? __schedule+0x874/0x1ed0
[  255.254083]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  255.259115]  ? __sched_text_start+0x8/0x8
[  255.263283]  ? lockdep_hardirqs_on+0x421/0x5c0
[  255.267878]  ? retint_kernel+0x2d/0x2d
[  255.271783]  ? trace_hardirqs_on_caller+0xc0/0x300
[  255.276725]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  255.281519]  ? find_held_lock+0x36/0x1c0
[  255.285601]  ? lock_acquire+0x1ed/0x520
[  255.289587]  ? bpf_test_run+0x32e/0x5a0
[  255.293579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.299135]  ? check_preemption_disabled+0x48/0x200
[  255.304177]  ? kasan_check_read+0x11/0x20
[  255.308340]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  255.313633]  ? rcu_bh_qs+0xc0/0xc0
[  255.317190]  ? preempt_schedule+0x4d/0x60
[  255.321358]  ? ___preempt_schedule+0x16/0x18
[  255.325799]  ? bpf_test_run+0x1c0/0x5a0
[  255.329802]  ? netlink_diag_dump+0x2a0/0x2a0
[  255.334227]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.339949]  ? bpf_test_init.isra.9+0x70/0x100
[  255.344551]  ? bpf_prog_test_run_skb+0x634/0xb40
[  255.349331]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  255.354185]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  255.359737]  ? fput+0x130/0x1a0
[  255.363038]  ? __bpf_prog_get+0x9b/0x290
[  255.367112]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  255.371967]  ? bpf_prog_test_run+0x130/0x1a0
[  255.376397]  ? __x64_sys_bpf+0x3d8/0x510
[  255.380498]  ? bpf_prog_get+0x20/0x20
[  255.384327]  ? ksys_ioctl+0x81/0xd0
[  255.387977]  ? do_syscall_64+0x1b9/0x820
[  255.392063]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  255.397445]  ? syscall_return_slowpath+0x5e0/0x5e0
[  255.402414]  ? trace_hardirqs_off+0x300/0x300
[  255.406925]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  255.411956]  ? recalc_sigpending_tsk+0x180/0x180
[  255.416731]  ? kasan_check_write+0x14/0x20
[  255.422836]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.427712]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  255.433269] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  255.433575] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  255.440238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  255.450725] syz-executor4 cpuset=
[  255.460080] Call Trace:
[  255.460089] syz4
[  255.463540]  <IRQ>
[  255.466128]  mems_allowed=0
[  255.468113]  dump_stack+0x1c4/0x2b4
[  255.476826]  ? dump_stack_print_info.cold.2+0x52/0x52
[  255.482045]  warn_alloc.cold.118+0xb7/0x1bd
[  255.486383]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  255.491246]  ? lock_downgrade+0x900/0x900
[  255.495425]  ? trace_hardirqs_off+0xb8/0x300
[  255.499854]  ? trace_hardirqs_off+0xb8/0x300
[  255.504294]  __alloc_pages_slowpath+0x2667/0x2d80
[  255.509186]  ? warn_alloc+0x120/0x120
[  255.513070]  ? warn_alloc+0x120/0x120
[  255.516889]  ? print_usage_bug+0xc0/0xc0
[  255.521018]  ? warn_alloc+0x120/0x120
[  255.524837]  ? print_usage_bug+0xc0/0xc0
[  255.528916]  ? __lock_acquire+0x7ec/0x4ec0
[  255.533170]  ? __lock_acquire+0x7ec/0x4ec0
[  255.537561]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.543122]  ? should_fail+0x22d/0xd01
[  255.547030]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.552146]  ? __lock_acquire+0x7ec/0x4ec0
[  255.556403]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.561525]  ? __lock_acquire+0x7ec/0x4ec0
[  255.565771]  ? should_fail+0x22d/0xd01
[  255.569686]  ? mark_held_locks+0x130/0x130
[  255.573943]  ? mark_held_locks+0x130/0x130
[  255.578192]  ? graph_lock+0x170/0x170
[  255.582003]  ? graph_lock+0x170/0x170
[  255.585822]  ? graph_lock+0x170/0x170
[  255.589635]  ? print_usage_bug+0xc0/0xc0
[  255.593709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.599267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.604825]  ? check_preemption_disabled+0x48/0x200
[  255.609852]  ? check_preemption_disabled+0x48/0x200
[  255.614893]  ? __lock_is_held+0xb5/0x140
[  255.619014]  __alloc_pages_nodemask+0xa80/0xde0
[  255.623710]  ? graph_lock+0x170/0x170
[  255.627536]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  255.632569]  ? graph_lock+0x170/0x170
[  255.636402]  ? find_held_lock+0x36/0x1c0
[  255.640517]  ? ____cache_alloc_node+0x1c7/0x1e0
[  255.645202]  ? lock_downgrade+0x900/0x900
[  255.649375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.654932]  cache_grow_begin+0x91/0x8c0
[  255.659250]  ? do_raw_spin_unlock+0xa7/0x2f0
[  255.663693]  fallback_alloc+0x203/0x2e0
[  255.667690]  ____cache_alloc_node+0x1c7/0x1e0
[  255.672208]  kmem_cache_alloc_node+0xe3/0x730
[  255.676834]  ? ipv6_get_ifaddr+0x42e/0x620
[  255.681094]  __alloc_skb+0x119/0x770
[  255.684824]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  255.690119]  ? skb_scrub_packet+0x490/0x490
[  255.694453]  ? lock_downgrade+0x900/0x900
[  255.698653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.704210]  ? refcount_sub_and_test_checked+0x203/0x310
[  255.709681]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  255.715152]  ? addrconf_rs_timer+0x6f0/0x6f0
[  255.719589]  ndisc_alloc_skb+0x144/0x340
[  255.723677]  ndisc_send_rs+0x331/0x6e0
[  255.727592]  addrconf_rs_timer+0x3c0/0x6f0
[  255.731853]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.736293]  call_timer_fn+0x272/0x920
[  255.740197]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.744447]  ? process_timeout+0x40/0x40
[  255.748550]  ? find_held_lock+0x36/0x1c0
[  255.752634]  ? mark_held_locks+0xc7/0x130
[  255.756800]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.761311]  ? _raw_spin_unlock_irq+0x27/0x80
[  255.765823]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.770070]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  255.774670]  ? trace_hardirqs_on+0xbd/0x310
[  255.779008]  ? kasan_check_read+0x11/0x20
[  255.783177]  ? __run_timers+0x7da/0xc70
[  255.787166]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  255.792642]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.796896]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  255.801148]  __run_timers+0x7e5/0xc70
[  255.804977]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  255.810534]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  255.815570]  ? graph_lock+0x170/0x170
[  255.819392]  ? print_usage_bug+0xc0/0xc0
[  255.823488]  ? lock_release+0x970/0x970
[  255.827504]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  255.832717]  ? find_held_lock+0x36/0x1c0
[  255.836795]  ? graph_lock+0x170/0x170
[  255.841154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.846713]  ? check_preemption_disabled+0x48/0x200
[  255.851753]  ? __lock_is_held+0xb5/0x140
[  255.855830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.861395]  ? check_preemption_disabled+0x48/0x200
[  255.866436]  run_timer_softirq+0x52/0xb0
[  255.870539]  ? rcu_read_lock_sched_held+0x108/0x120
[  255.875578]  __do_softirq+0x30b/0xad8
[  255.879409]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  255.884536]  ? pvclock_read_flags+0x160/0x160
[  255.889048]  ? lapic_next_event+0x5a/0x90
[  255.893212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.898768]  ? check_preemption_disabled+0x48/0x200
[  255.903967]  ? check_preemption_disabled+0x48/0x200
[  255.909013]  ? kvm_clock_read+0x18/0x30
[  255.913000]  ? kvm_sched_clock_read+0x9/0x20
[  255.917429]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.923011]  ? check_preemption_disabled+0x48/0x200
[  255.928055]  irq_exit+0x17f/0x1c0
[  255.931538]  smp_apic_timer_interrupt+0x1cb/0x760
[  255.936394]  ? smp_reschedule_interrupt+0x109/0x650
[  255.941431]  ? smp_call_function_single_interrupt+0x650/0x650
[  255.947355]  ? interrupt_entry+0xb5/0xf0
[  255.951436]  ? trace_hardirqs_off_caller+0xbb/0x300
[  255.956510]  ? trace_hardirqs_off_caller+0xbb/0x300
[  255.961546]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.966403]  ? trace_hardirqs_off+0x300/0x300
[  255.970911]  ? trace_hardirqs_off+0x300/0x300
[  255.975420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.980976]  ? check_preemption_disabled+0x48/0x200
[  255.986012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.991579]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.996448]  apic_timer_interrupt+0xf/0x20
[  256.000723]  </IRQ>
[  256.002976] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  256.008277] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  256.027187] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  256.034913] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  256.042193] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  256.049497] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  256.056785] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  256.064121] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  256.071430]  ? arch_local_irq_restore+0x45/0x52
[  256.076145]  dump_stack+0x26a/0x2b4
[  256.079793]  ? dump_stack_print_info.cold.2+0x52/0x52
[  256.085003]  ? mark_held_locks+0x130/0x130
[  256.089248]  ? mark_held_locks+0x130/0x130
[  256.093530]  dump_header+0x27b/0xf72
[  256.097281]  ? pagefault_out_of_memory+0x197/0x197
[  256.102228]  ? mark_held_locks+0x130/0x130
[  256.106509]  ? __lock_acquire+0x7ec/0x4ec0
[  256.110762]  ? mem_cgroup_charge_statistics+0x780/0x780
[  256.116165]  ? print_usage_bug+0xc0/0xc0
[  256.120239]  ? print_usage_bug+0xc0/0xc0
[  256.124327]  ? graph_lock+0x170/0x170
[  256.128139]  ? graph_lock+0x170/0x170
[  256.131953]  ? print_usage_bug+0xc0/0xc0
[  256.136083]  ? print_usage_bug+0xc0/0xc0
[  256.140171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.145727]  ? find_held_lock+0x36/0x1c0
[  256.149812]  ? mark_held_locks+0xc7/0x130
[  256.153980]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  256.159099]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  256.164215]  ? lockdep_hardirqs_on+0x421/0x5c0
[  256.168815]  ? trace_hardirqs_on+0xbd/0x310
[  256.173165]  ? kasan_check_read+0x11/0x20
[  256.177335]  ? ___ratelimit+0x36f/0x655
[  256.181330]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  256.186811]  ? trace_hardirqs_on+0x310/0x310
[  256.191235]  ? lock_downgrade+0x900/0x900
[  256.195410]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  256.200533]  ? ___ratelimit+0xaa/0x655
[  256.204437]  ? idr_get_free+0xec0/0xec0
[  256.208452]  ? kasan_check_write+0x14/0x20
[  256.212731]  ? do_raw_spin_lock+0xc1/0x200
[  256.216993]  oom_kill_process.cold.27+0x10/0x903
[  256.221766]  ? graph_lock+0x170/0x170
[  256.225585]  ? _raw_spin_unlock+0x2c/0x50
[  256.229747]  ? oom_badness+0xe6/0xaa0
[  256.233570]  ? oom_evaluate_task+0x540/0x540
[  256.237997]  ? find_held_lock+0x36/0x1c0
[  256.242080]  ? out_of_memory+0x974/0x14c0
[  256.246248]  ? lock_downgrade+0x900/0x900
[  256.250424]  ? check_preemption_disabled+0x48/0x200
[  256.255486]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  256.261306]  ? kasan_check_read+0x11/0x20
[  256.265494]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  256.270790]  ? rcu_bh_qs+0xc0/0xc0
[  256.274352]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  256.279380]  ? oom_evaluate_task+0x302/0x540
[  256.283808]  out_of_memory+0xa86/0x14c0
[  256.287939]  ? oom_killer_disable+0x3a0/0x3a0
[  256.292449]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  256.297422]  ? __mutex_add_waiter+0x2a0/0x2a0
[  256.301946]  __alloc_pages_slowpath+0x2318/0x2d80
[  256.306836]  ? warn_alloc+0x120/0x120
[  256.310652]  ? __radix_tree_lookup+0x4c0/0x4c0
[  256.315267]  ? find_get_entry+0x2f2/0xc40
[  256.319438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.325073]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  256.330077]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.335646]  ? should_fail+0x22d/0xd01
[  256.339659]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.344780]  ? __lock_is_held+0xb5/0x140
[  256.348887]  ? __lock_is_held+0xb5/0x140
[  256.352969]  ? find_held_lock+0x36/0x1c0
[  256.357049]  ? ___might_sleep+0x1ed/0x300
[  256.361211]  ? lock_release+0x970/0x970
[  256.365204]  ? arch_local_save_flags+0x40/0x40
[  256.369811]  ? __might_sleep+0x95/0x190
[  256.373805]  __alloc_pages_nodemask+0xa80/0xde0
[  256.378522]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  256.383561]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  256.389376]  ? kasan_check_read+0x11/0x20
[  256.393547]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  256.398845]  ? graph_lock+0x170/0x170
[  256.402664]  ? print_usage_bug+0xc0/0xc0
[  256.406906]  ? graph_lock+0x170/0x170
[  256.410721]  ? graph_lock+0x170/0x170
[  256.414537]  ? __do_page_cache_readahead+0x7ce/0x980
[  256.419660]  ? find_held_lock+0x36/0x1c0
[  256.423745]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  256.429303]  alloc_pages_current+0x10c/0x210
[  256.433725]  ? lock_downgrade+0x900/0x900
[  256.438056]  __page_cache_alloc+0x38f/0x5b0
[  256.442394]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  256.448207]  ? kasan_check_read+0x11/0x20
[  256.452368]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  256.457662]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  256.462347]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.467902]  ? check_preemption_disabled+0x48/0x200
[  256.472940]  filemap_fault+0x1594/0x25f0
[  256.477031]  ? __lock_page_or_retry+0xa00/0xa00
[  256.481715]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  256.487532]  ? kasan_check_read+0x11/0x20
[  256.491715]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  256.497092]  ? rcu_bh_qs+0xc0/0xc0
[  256.500652]  ? print_usage_bug+0xc0/0xc0
[  256.504737]  ? filemap_map_pages+0xdea/0x1980
[  256.509261]  ? print_usage_bug+0xc0/0xc0
[  256.513346]  ? find_get_pages_range_tag+0x1320/0x1320
[  256.518550]  ? print_usage_bug+0xc0/0xc0
[  256.522625]  ? __lock_acquire+0x7ec/0x4ec0
[  256.526875]  ? graph_lock+0x170/0x170
[  256.530696]  ? __sigqueue_free.part.27+0x7d/0xa0
[  256.535559]  ? __lock_acquire+0x7ec/0x4ec0
[  256.539823]  ? lock_acquire+0x1ed/0x520
[  256.543815]  ? ext4_filemap_fault+0x7a/0xad
[  256.548154]  ? lock_release+0x970/0x970
[  256.552149]  ? arch_local_save_flags+0x40/0x40
[  256.556807]  ? mark_held_locks+0x130/0x130
[  256.561071]  ? down_read+0xb0/0x1d0
[  256.564715]  ? ext4_filemap_fault+0x7a/0xad
[  256.569052]  ? __down_interruptible+0x700/0x700
[  256.573739]  ? graph_lock+0x170/0x170
[  256.577570]  ? __sigqueue_free.part.27+0x7d/0xa0
[  256.582411]  ext4_filemap_fault+0x82/0xad
[  256.586585]  __do_fault+0x100/0x6b0
[  256.590228]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  256.595531]  ? print_bad_pte+0x6c0/0x6c0
[  256.599614]  ? pmd_val+0x88/0x100
[  256.603081]  ? add_mm_counter_fast+0xd0/0xd0
[  256.607518]  ? pmd_val+0x88/0x100
[  256.610989]  ? add_mm_counter_fast+0xd0/0xd0
[  256.615540]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.621208]  __handle_mm_fault+0x3709/0x53e0
[  256.625641]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  256.630519]  ? graph_lock+0x170/0x170
[  256.634336]  ? print_usage_bug+0xc0/0xc0
[  256.638416]  ? graph_lock+0x170/0x170
[  256.642229]  ? graph_lock+0x170/0x170
[  256.646065]  ? handle_mm_fault+0x42a/0xc70
[  256.650314]  ? lock_downgrade+0x900/0x900
[  256.654501]  ? check_preemption_disabled+0x48/0x200
[  256.659540]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  256.665353]  ? kasan_check_read+0x11/0x20
[  256.669527]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  256.674820]  ? rcu_bh_qs+0xc0/0xc0
[  256.678379]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  256.683907]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.689488]  ? check_preemption_disabled+0x48/0x200
[  256.694537]  handle_mm_fault+0x54f/0xc70
[  256.698621]  ? __handle_mm_fault+0x53e0/0x53e0
[  256.703219]  ? find_vma+0x34/0x190
[  256.706785]  __do_page_fault+0x67d/0xed0
[  256.710926]  ? mm_fault_error+0x380/0x380
[  256.715227]  ? syscall_slow_exit_work+0x520/0x520
[  256.720095]  do_page_fault+0xf2/0x7e0
[  256.723915]  ? vmalloc_sync_all+0x30/0x30
[  256.728078]  ? error_entry+0x70/0xd0
[  256.731810]  ? trace_hardirqs_off_caller+0xbb/0x300
[  256.737104]  ? trace_hardirqs_on_caller+0xc0/0x300
[  256.742047]  ? syscall_return_slowpath+0x5e0/0x5e0
[  256.747002]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.751864]  ? trace_hardirqs_off+0x300/0x300
[  256.756371]  ? trace_hardirqs_off_caller+0x300/0x300
[  256.761519]  ? prepare_exit_to_usermode+0x291/0x3b0
[  256.766561]  ? page_fault+0x8/0x30
[  256.770128]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.774987]  ? page_fault+0x8/0x30
[  256.778547]  page_fault+0x1e/0x30
[  256.782012] RIP: 0033:0x45db60
[  256.785221] Code: Bad RIP value.
[  256.788599] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  256.793998] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  256.801277] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  256.808571] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  256.815850] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  256.823142] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  256.830599] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  256.830605] warn_alloc_show_mem: 1 callbacks suppressed
[  256.830612] Mem-Info:
[  256.837817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  256.843200] active_anon:41581 inactive_anon:372 isolated_anon:0
[  256.843200]  active_file:17 inactive_file:16 isolated_file:0
[  256.843200]  unevictable:0 dirty:0 writeback:0 unstable:0
[  256.843200]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  256.843200]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  256.843200]  free:13699 free_pcp:281 free_cma:0
[  256.845586] Call Trace:
[  256.854986] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  256.888420]  <IRQ>
[  256.891010] Node 0 
[  256.918737]  dump_stack+0x1c4/0x2b4
[  256.920977] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  256.923206]  ? dump_stack_print_info.cold.2+0x52/0x52
[  256.926823] lowmem_reserve[]: 0
[  256.952533]  warn_alloc.cold.118+0xb7/0x1bd
[  256.957705]  2817
[  256.960994]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  256.965307]  6321
[  256.967384]  ? lock_downgrade+0x900/0x900
[  256.972218]  6321
[  256.974298]  ? trace_hardirqs_off+0xb8/0x300
[  256.978432] Node 0 
[  256.980523]  ? trace_hardirqs_off+0xb8/0x300
[  256.985121] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  256.987350]  __alloc_pages_slowpath+0x2667/0x2d80
[  256.991736] lowmem_reserve[]: 0
[  257.018776]  ? warn_alloc+0x120/0x120
[  257.023581]  0
[  257.026873]  ? graph_lock+0x170/0x170
[  257.030666]  3503
[  257.032502]  ? warn_alloc+0x120/0x120
[  257.036296]  3503
[  257.038370]  ? print_usage_bug+0xc0/0xc0
[  257.044317]  ? warn_alloc+0x120/0x120
[  257.048369] Node 0 
[  257.052189]  ? print_usage_bug+0xc0/0xc0
[  257.052221] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  257.052229] lowmem_reserve[]:
[  257.054501]  ? __lock_is_held+0xb5/0x140
[  257.058561]  0
[  257.087074]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.090184]  0
[  257.094254]  ? should_fail+0x22d/0xd01
[  257.096062]  0
[  257.101623]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.103416]  0
[  257.107315]  ? __lock_acquire+0x7ec/0x4ec0
[  257.109119] Node 0 
[  257.114235]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.116047] DMA: 
[  257.120289]  ? __lock_acquire+0x7ec/0x4ec0
[  257.122587] 1*4kB 
[  257.127701]  ? should_fail+0x22d/0xd01
[  257.129761] (U) 
[  257.134012]  ? mark_held_locks+0x130/0x130
[  257.136148] 0*8kB 
[  257.140039]  ? mark_held_locks+0x130/0x130
[  257.142020] 0*16kB 
[  257.146263]  ? do_raw_spin_unlock+0xa7/0x2f0
[  257.148409] 1*32kB 
[  257.152652]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  257.154881] (U) 
[  257.159429]  ? graph_lock+0x170/0x170
[  257.161655] 2*64kB (U) 
[  257.166257]  ? print_usage_bug+0xc0/0xc0
[  257.168230] 1*128kB 
[  257.172039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.174617] (U) 
[  257.178702]  ? check_preemption_disabled+0x48/0x200
[  257.181008] 1*256kB (U) 
[  257.186567]  ? check_preemption_disabled+0x48/0x200
[  257.188537] 0*512kB 
[  257.193569]  ? __lock_is_held+0xb5/0x140
[  257.196230] 1*1024kB 
[  257.201261]  __alloc_pages_nodemask+0xa80/0xde0
[  257.203575] (U) 
[  257.207649]  ? graph_lock+0x170/0x170
[  257.210049] 1*2048kB (M) 
[  257.214742]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  257.216711] 3*4096kB 
[  257.220528]  ? graph_lock+0x170/0x170
[  257.223282] (M) 
[  257.228362]  ? find_held_lock+0x36/0x1c0
[  257.230765] = 15908kB
[  257.234581]  ? ____cache_alloc_node+0x1c7/0x1e0
[  257.236544] Node 0 
[  257.240766]  ? lock_downgrade+0x900/0x900
[  257.243174] DMA32: 
[  257.247855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.250084] 2*4kB 
[  257.254240]  cache_grow_begin+0x91/0x8c0
[  257.256492] (M) 
[  257.262039]  ? do_raw_spin_unlock+0xa7/0x2f0
[  257.264173] 1*8kB (U) 
[  257.268264]  fallback_alloc+0x203/0x2e0
[  257.270226] 3*16kB (M) 
[  257.274655]  ____cache_alloc_node+0x1c7/0x1e0
[  257.277137] 1*32kB (M) 
[  257.281133]  kmem_cache_alloc_node+0xe3/0x730
[  257.283709] 3*64kB 
[  257.288212]  ? ipv6_get_ifaddr+0x42e/0x620
[  257.290785] (UM) 
[  257.295297]  __alloc_skb+0x119/0x770
[  257.297522] 3*128kB 
[  257.301771]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  257.303820] (M) 
[  257.307545]  ? skb_scrub_packet+0x490/0x490
[  257.309860] 3*256kB 
[  257.315161]  ? lock_downgrade+0x900/0x900
[  257.317210] (UM) 
[  257.321547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.323856] 4*512kB 
[  257.328018]  ? refcount_sub_and_test_checked+0x203/0x310
[  257.330073] (UM) 
[  257.335618]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  257.337935] 3*1024kB 
[  257.343393]  ? addrconf_rs_timer+0x6f0/0x6f0
[  257.345438] (M) 1*2048kB 
[  257.350940]  ndisc_alloc_skb+0x144/0x340
[  257.353336] (U) 
[  257.357761]  ndisc_send_rs+0x331/0x6e0
[  257.360517] 4*4096kB 
[  257.364585]  addrconf_rs_timer+0x3c0/0x6f0
[  257.366552] (M) 
[  257.370454]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.372980] = 24992kB
[  257.377235]  call_timer_fn+0x272/0x920
[  257.379197] Node 0 
[  257.383440]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.385845] Normal: 
[  257.389742]  ? process_timeout+0x40/0x40
[  257.391974] 882*4kB 
[  257.396214]  ? find_held_lock+0x36/0x1c0
[  257.398531] (UME) 
[  257.402638]  ? __run_timers+0x7da/0xc70
[  257.404949] 426*8kB 
[  257.409022]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.411168] (MEH) 
[  257.415174]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.417515] 175*16kB 
[  257.422017]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.424157] (UME) 
[  257.428664]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  257.431068] 71*32kB 
[  257.435311]  ? trace_hardirqs_on+0xbd/0x310
[  257.437445] (UMEH) 10*64kB 
[  257.442077]  ? kasan_check_read+0x11/0x20
[  257.444515] (UMH) 
[  257.448847]  ? __run_timers+0x7da/0xc70
[  257.451769] 2*128kB 
[  257.455925]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  257.458058] (H) 0*256kB 
[  257.462063]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.464379] 2*512kB 
[  257.469946]  __run_timers+0x7e5/0xc70
[  257.472602] (UH) 0*1024kB 
[  257.476866]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  257.479174] 0*2048kB 
[  257.482987]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  257.485827] 0*4096kB 
[  257.491207]  ? graph_lock+0x170/0x170
[  257.493613] = 13928kB
[  257.498635]  ? enqueue_hrtimer+0x1a5/0x560
[  257.501046] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  257.504848]  ? lock_release+0x970/0x970
[  257.507263] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  257.511520]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  257.520345] 412 total pagecache pages
[  257.524329]  ? find_held_lock+0x36/0x1c0
[  257.532896] 0 pages in swap cache
[  257.538087]  ? graph_lock+0x170/0x170
[  257.541882] Swap cache stats: add 0, delete 0, find 0/0
[  257.545953]  ? pvclock_read_flags+0x160/0x160
[  257.549512] Free swap  = 0kB
[  257.553322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.558666] Total swap = 0kB
[  257.558676] 1965979 pages RAM
[  257.563185]  ? check_preemption_disabled+0x48/0x200
[  257.566185] 0 pages HighMem/MovableOnly
[  257.566195] 342744 pages reserved
[  257.571903]  ? __lock_is_held+0xb5/0x140
[  257.574900] 0 pages cma reserved
[  257.574986] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  257.578019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.578035]  ? check_preemption_disabled+0x48/0x200
[  257.578058]  run_timer_softirq+0x52/0xb0
[  257.583220] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  257.587138]  ? rcu_read_lock_sched_held+0x108/0x120
[  257.590582] syz-fuzzer cpuset=
[  257.594654]  __do_softirq+0x30b/0xad8
[  257.598008] /
[  257.604624]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  257.610142]  mems_allowed=0
[  257.651239]  ? pvclock_read_flags+0x160/0x160
[  257.655818]  ? lapic_next_event+0x5a/0x90
[  257.659982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.665541]  ? check_preemption_disabled+0x48/0x200
[  257.670576]  ? check_preemption_disabled+0x48/0x200
[  257.675614]  ? kvm_clock_read+0x18/0x30
[  257.679603]  ? kvm_sched_clock_read+0x9/0x20
[  257.684159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.689865]  ? check_preemption_disabled+0x48/0x200
[  257.694909]  irq_exit+0x17f/0x1c0
[  257.698381]  smp_apic_timer_interrupt+0x1cb/0x760
[  257.703236]  ? smp_reschedule_interrupt+0x109/0x650
[  257.708269]  ? smp_call_function_single_interrupt+0x650/0x650
[  257.714171]  ? interrupt_entry+0xb5/0xf0
[  257.718251]  ? trace_hardirqs_off_caller+0xbb/0x300
[  257.723283]  ? trace_hardirqs_off_caller+0xbb/0x300
[  257.728315]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.733172]  ? trace_hardirqs_off+0x300/0x300
[  257.737679]  ? trace_hardirqs_off+0x300/0x300
[  257.742192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.747760]  ? check_preemption_disabled+0x48/0x200
[  257.752793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.758413]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.763286]  apic_timer_interrupt+0xf/0x20
[  257.767533]  </IRQ>
[  257.769788] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  257.774759] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  257.793678] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  257.801400] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  257.808682] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  257.815960] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  257.823250] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  257.830533] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  257.837864]  skb_clone+0x1bb/0x500
[  257.841605]  ? finish_task_switch+0x2f5/0x900
[  257.846135]  ? skb_split+0x11e0/0x11e0
[  257.850055]  ? preempt_notifier_register+0x200/0x200
[  257.855196]  ? __switch_to_asm+0x34/0x70
[  257.859273]  ? __switch_to_asm+0x34/0x70
[  257.863345]  ? __switch_to_asm+0x40/0x70
[  257.867414]  ? __switch_to_asm+0x34/0x70
[  257.871513]  ? __switch_to_asm+0x40/0x70
[  257.875589]  ? __switch_to_asm+0x34/0x70
[  257.879664]  ? __switch_to_asm+0x40/0x70
[  257.883735]  ? __switch_to_asm+0x34/0x70
[  257.887811]  ? __switch_to_asm+0x34/0x70
[  257.891886]  ? __switch_to_asm+0x40/0x70
[  257.895958]  ? __switch_to_asm+0x34/0x70
[  257.900041]  bpf_clone_redirect+0xb9/0x490
[  257.904293]  ? __schedule+0x874/0x1ed0
[  257.908200]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  257.913233]  ? __sched_text_start+0x8/0x8
[  257.917398]  ? lockdep_hardirqs_on+0x421/0x5c0
[  257.921994]  ? retint_kernel+0x2d/0x2d
[  257.926057]  ? trace_hardirqs_on_caller+0xc0/0x300
[  257.931021]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  257.935809]  ? find_held_lock+0x36/0x1c0
[  257.939887]  ? lock_acquire+0x1ed/0x520
[  257.943884]  ? bpf_test_run+0x32e/0x5a0
[  257.947873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.953437]  ? check_preemption_disabled+0x48/0x200
[  257.958521]  ? kasan_check_read+0x11/0x20
[  257.962776]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  257.968073]  ? rcu_bh_qs+0xc0/0xc0
[  257.971633]  ? preempt_schedule+0x4d/0x60
[  257.975796]  ? ___preempt_schedule+0x16/0x18
[  257.980225]  ? bpf_test_run+0x1c0/0x5a0
[  257.984224]  ? netlink_diag_dump+0x2a0/0x2a0
[  257.988652]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.994201]  ? bpf_test_init.isra.9+0x70/0x100
[  257.998814]  ? bpf_prog_test_run_skb+0x634/0xb40
[  258.003590]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  258.008443]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  258.014028]  ? fput+0x130/0x1a0
[  258.017323]  ? __bpf_prog_get+0x9b/0x290
[  258.021402]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  258.026254]  ? bpf_prog_test_run+0x130/0x1a0
[  258.030679]  ? __x64_sys_bpf+0x3d8/0x510
[  258.034760]  ? bpf_prog_get+0x20/0x20
[  258.038583]  ? ksys_ioctl+0x81/0xd0
[  258.042237]  ? do_syscall_64+0x1b9/0x820
[  258.046316]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  258.051763]  ? syscall_return_slowpath+0x5e0/0x5e0
[  258.056800]  ? trace_hardirqs_off+0x300/0x300
[  258.061310]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  258.066339]  ? recalc_sigpending_tsk+0x180/0x180
[  258.071111]  ? kasan_check_write+0x14/0x20
[  258.075365]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.080245]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  258.085642] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  258.085731] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  258.092592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  258.092601] Call Trace:
[  258.099221] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  258.108489]  <IRQ>
[  258.111140] syz-executor4 cpuset=
[  258.121636]  dump_stack+0x1c4/0x2b4
[  258.123781] syz4
[  258.127246]  ? dump_stack_print_info.cold.2+0x52/0x52
[  258.130867]  mems_allowed=0
[  258.132858]  warn_alloc.cold.118+0xb7/0x1bd
[  258.145288]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  258.150149]  ? lock_downgrade+0x900/0x900
[  258.154324]  ? trace_hardirqs_off+0xb8/0x300
[  258.158756]  ? trace_hardirqs_off+0xb8/0x300
[  258.163200]  __alloc_pages_slowpath+0x2667/0x2d80
[  258.168094]  ? warn_alloc+0x120/0x120
[  258.171945]  ? warn_alloc+0x120/0x120
[  258.175761]  ? print_usage_bug+0xc0/0xc0
[  258.179835]  ? warn_alloc+0x120/0x120
[  258.183647]  ? print_usage_bug+0xc0/0xc0
[  258.187729]  ? __lock_acquire+0x7ec/0x4ec0
[  258.191989]  ? __lock_acquire+0x7ec/0x4ec0
[  258.196349]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.201913]  ? should_fail+0x22d/0xd01
[  258.205829]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.210944]  ? __lock_acquire+0x7ec/0x4ec0
[  258.215211]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.220326]  ? __lock_acquire+0x7ec/0x4ec0
[  258.224577]  ? should_fail+0x22d/0xd01
[  258.228516]  ? mark_held_locks+0x130/0x130
[  258.232771]  ? mark_held_locks+0x130/0x130
[  258.237030]  ? graph_lock+0x170/0x170
[  258.240851]  ? graph_lock+0x170/0x170
[  258.244731]  ? graph_lock+0x170/0x170
[  258.248550]  ? print_usage_bug+0xc0/0xc0
[  258.252624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.258175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.263734]  ? check_preemption_disabled+0x48/0x200
[  258.268768]  ? check_preemption_disabled+0x48/0x200
[  258.273827]  ? __lock_is_held+0xb5/0x140
[  258.277909]  __alloc_pages_nodemask+0xa80/0xde0
[  258.282593]  ? graph_lock+0x170/0x170
[  258.286411]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  258.291437]  ? graph_lock+0x170/0x170
[  258.295314]  ? find_held_lock+0x36/0x1c0
[  258.299400]  ? ____cache_alloc_node+0x1c7/0x1e0
[  258.304083]  ? lock_downgrade+0x900/0x900
[  258.308256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.313813]  cache_grow_begin+0x91/0x8c0
[  258.317891]  ? do_raw_spin_unlock+0xa7/0x2f0
[  258.322326]  fallback_alloc+0x203/0x2e0
[  258.326326]  ____cache_alloc_node+0x1c7/0x1e0
[  258.330845]  kmem_cache_alloc_node+0xe3/0x730
[  258.335362]  ? ipv6_get_ifaddr+0x42e/0x620
[  258.339622]  __alloc_skb+0x119/0x770
[  258.343351]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  258.348645]  ? skb_scrub_packet+0x490/0x490
[  258.352979]  ? lock_downgrade+0x900/0x900
[  258.357235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.362792]  ? refcount_sub_and_test_checked+0x203/0x310
[  258.368265]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  258.373729]  ? addrconf_rs_timer+0x6f0/0x6f0
[  258.378169]  ndisc_alloc_skb+0x144/0x340
[  258.382420]  ndisc_send_rs+0x331/0x6e0
[  258.386328]  addrconf_rs_timer+0x3c0/0x6f0
[  258.390587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.394851]  call_timer_fn+0x272/0x920
[  258.398751]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.403003]  ? process_timeout+0x40/0x40
[  258.407079]  ? find_held_lock+0x36/0x1c0
[  258.411164]  ? mark_held_locks+0xc7/0x130
[  258.415330]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.419837]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.424343]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.428593]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  258.433193]  ? trace_hardirqs_on+0xbd/0x310
[  258.437532]  ? kasan_check_read+0x11/0x20
[  258.441695]  ? __run_timers+0x7da/0xc70
[  258.445685]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  258.451168]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.455423]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.459694]  __run_timers+0x7e5/0xc70
[  258.463539]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  258.468921]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  258.473950]  ? graph_lock+0x170/0x170
[  258.477832]  ? print_usage_bug+0xc0/0xc0
[  258.481907]  ? lock_release+0x970/0x970
[  258.485896]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  258.491111]  ? find_held_lock+0x36/0x1c0
[  258.495191]  ? graph_lock+0x170/0x170
[  258.499010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.504570]  ? check_preemption_disabled+0x48/0x200
[  258.509613]  ? __lock_is_held+0xb5/0x140
[  258.513689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.519240]  ? check_preemption_disabled+0x48/0x200
[  258.524290]  run_timer_softirq+0x52/0xb0
[  258.528366]  ? rcu_read_lock_sched_held+0x108/0x120
[  258.533402]  __do_softirq+0x30b/0xad8
[  258.537227]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  258.542357]  ? pvclock_read_flags+0x160/0x160
[  258.546866]  ? lapic_next_event+0x5a/0x90
[  258.551030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.556582]  ? check_preemption_disabled+0x48/0x200
[  258.561615]  ? check_preemption_disabled+0x48/0x200
[  258.566651]  ? kvm_clock_read+0x18/0x30
[  258.570704]  ? kvm_sched_clock_read+0x9/0x20
[  258.575141]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.580693]  ? check_preemption_disabled+0x48/0x200
[  258.585738]  irq_exit+0x17f/0x1c0
[  258.589207]  smp_apic_timer_interrupt+0x1cb/0x760
[  258.594062]  ? smp_reschedule_interrupt+0x109/0x650
[  258.599090]  ? smp_call_function_single_interrupt+0x650/0x650
[  258.604985]  ? interrupt_entry+0xb5/0xf0
[  258.609253]  ? trace_hardirqs_off_caller+0xbb/0x300
[  258.614286]  ? trace_hardirqs_off_caller+0xbb/0x300
[  258.619317]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.624177]  ? trace_hardirqs_off+0x300/0x300
[  258.628688]  ? trace_hardirqs_off+0x300/0x300
[  258.633202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.638910]  ? check_preemption_disabled+0x48/0x200
[  258.643950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.649533]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.654398]  apic_timer_interrupt+0xf/0x20
[  258.658663]  </IRQ>
[  258.660916] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  258.666207] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  258.685124] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  258.692848] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  258.700131] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  258.707410] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  258.714691] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  258.721974] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  258.729286]  ? arch_local_irq_restore+0x45/0x52
[  258.734211]  dump_stack+0x26a/0x2b4
[  258.737873]  ? dump_stack_print_info.cold.2+0x52/0x52
[  258.743084]  ? mark_held_locks+0x130/0x130
[  258.747334]  ? mark_held_locks+0x130/0x130
[  258.751594]  dump_header+0x27b/0xf72
[  258.755335]  ? pagefault_out_of_memory+0x197/0x197
[  258.760287]  ? mark_held_locks+0x130/0x130
[  258.764541]  ? __lock_acquire+0x7ec/0x4ec0
[  258.768791]  ? mem_cgroup_charge_statistics+0x780/0x780
[  258.774170]  ? print_usage_bug+0xc0/0xc0
[  258.778253]  ? print_usage_bug+0xc0/0xc0
[  258.782334]  ? graph_lock+0x170/0x170
[  258.786144]  ? graph_lock+0x170/0x170
[  258.789960]  ? print_usage_bug+0xc0/0xc0
[  258.794034]  ? print_usage_bug+0xc0/0xc0
[  258.798118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.803675]  ? find_held_lock+0x36/0x1c0
[  258.807757]  ? mark_held_locks+0xc7/0x130
[  258.811924]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  258.817038]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  258.822155]  ? lockdep_hardirqs_on+0x421/0x5c0
[  258.826754]  ? trace_hardirqs_on+0xbd/0x310
[  258.831128]  ? kasan_check_read+0x11/0x20
[  258.835294]  ? ___ratelimit+0x36f/0x655
[  258.839284]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  258.844754]  ? trace_hardirqs_on+0x310/0x310
[  258.849188]  ? lock_downgrade+0x900/0x900
[  258.853357]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  258.858503]  ? ___ratelimit+0xaa/0x655
[  258.862493]  ? idr_get_free+0xec0/0xec0
[  258.866516]  ? kasan_check_write+0x14/0x20
[  258.870767]  ? do_raw_spin_lock+0xc1/0x200
[  258.875161]  oom_kill_process.cold.27+0x10/0x903
[  258.880050]  ? graph_lock+0x170/0x170
[  258.883862]  ? _raw_spin_unlock+0x2c/0x50
[  258.888081]  ? oom_badness+0xe6/0xaa0
[  258.891902]  ? oom_evaluate_task+0x540/0x540
[  258.896327]  ? find_held_lock+0x36/0x1c0
[  258.900410]  ? out_of_memory+0x974/0x14c0
[  258.904573]  ? lock_downgrade+0x900/0x900
[  258.908736]  ? check_preemption_disabled+0x48/0x200
[  258.913805]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  258.919619]  ? kasan_check_read+0x11/0x20
[  258.923787]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  258.929087]  ? rcu_bh_qs+0xc0/0xc0
[  258.932646]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  258.937673]  ? oom_evaluate_task+0x302/0x540
[  258.942096]  out_of_memory+0xa86/0x14c0
[  258.946091]  ? oom_killer_disable+0x3a0/0x3a0
[  258.950605]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  258.955555]  ? __mutex_add_waiter+0x2a0/0x2a0
[  258.960103]  __alloc_pages_slowpath+0x2318/0x2d80
[  258.964990]  ? warn_alloc+0x120/0x120
[  258.968823]  ? __radix_tree_lookup+0x4c0/0x4c0
[  258.973429]  ? find_get_entry+0x2f2/0xc40
[  258.977625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.983179]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  258.988122]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.993674]  ? should_fail+0x22d/0xd01
[  258.997584]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.002699]  ? __lock_is_held+0xb5/0x140
[  259.006804]  ? __lock_is_held+0xb5/0x140
[  259.010884]  ? find_held_lock+0x36/0x1c0
[  259.014971]  ? ___might_sleep+0x1ed/0x300
[  259.019141]  ? lock_release+0x970/0x970
[  259.023141]  ? arch_local_save_flags+0x40/0x40
[  259.027748]  ? __might_sleep+0x95/0x190
[  259.031742]  __alloc_pages_nodemask+0xa80/0xde0
[  259.036517]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  259.041555]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  259.047370]  ? kasan_check_read+0x11/0x20
[  259.051533]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  259.056827]  ? graph_lock+0x170/0x170
[  259.060639]  ? print_usage_bug+0xc0/0xc0
[  259.064716]  ? graph_lock+0x170/0x170
[  259.068531]  ? graph_lock+0x170/0x170
[  259.072406]  ? __do_page_cache_readahead+0x7ce/0x980
[  259.077534]  ? find_held_lock+0x36/0x1c0
[  259.081613]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  259.087172]  alloc_pages_current+0x10c/0x210
[  259.091725]  ? lock_downgrade+0x900/0x900
[  259.095894]  __page_cache_alloc+0x38f/0x5b0
[  259.100232]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  259.106048]  ? kasan_check_read+0x11/0x20
[  259.110212]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  259.115597]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  259.120286]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.125841]  ? check_preemption_disabled+0x48/0x200
[  259.130878]  filemap_fault+0x1594/0x25f0
[  259.135028]  ? __lock_page_or_retry+0xa00/0xa00
[  259.139821]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  259.145631]  ? kasan_check_read+0x11/0x20
[  259.149793]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  259.155085]  ? rcu_bh_qs+0xc0/0xc0
[  259.158643]  ? print_usage_bug+0xc0/0xc0
[  259.162725]  ? filemap_map_pages+0xdea/0x1980
[  259.167240]  ? print_usage_bug+0xc0/0xc0
[  259.171328]  ? find_get_pages_range_tag+0x1320/0x1320
[  259.176536]  ? print_usage_bug+0xc0/0xc0
[  259.180613]  ? __lock_acquire+0x7ec/0x4ec0
[  259.184862]  ? graph_lock+0x170/0x170
[  259.188685]  ? __sigqueue_free.part.27+0x7d/0xa0
[  259.193486]  ? __lock_acquire+0x7ec/0x4ec0
[  259.197753]  ? lock_acquire+0x1ed/0x520
[  259.201749]  ? ext4_filemap_fault+0x7a/0xad
[  259.206188]  ? lock_release+0x970/0x970
[  259.210189]  ? arch_local_save_flags+0x40/0x40
[  259.214790]  ? mark_held_locks+0x130/0x130
[  259.219053]  ? down_read+0xb0/0x1d0
[  259.222692]  ? ext4_filemap_fault+0x7a/0xad
[  259.227027]  ? __down_interruptible+0x700/0x700
[  259.231712]  ? graph_lock+0x170/0x170
[  259.235543]  ? __sigqueue_free.part.27+0x7d/0xa0
[  259.240353]  ext4_filemap_fault+0x82/0xad
[  259.244523]  __do_fault+0x100/0x6b0
[  259.248170]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  259.253490]  ? print_bad_pte+0x6c0/0x6c0
[  259.257576]  ? pmd_val+0x88/0x100
[  259.261068]  ? add_mm_counter_fast+0xd0/0xd0
[  259.265521]  ? pmd_val+0x88/0x100
[  259.268992]  ? add_mm_counter_fast+0xd0/0xd0
[  259.273422]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.279018]  __handle_mm_fault+0x3709/0x53e0
[  259.283454]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  259.288335]  ? graph_lock+0x170/0x170
[  259.292152]  ? print_usage_bug+0xc0/0xc0
[  259.296231]  ? graph_lock+0x170/0x170
[  259.300049]  ? graph_lock+0x170/0x170
[  259.303885]  ? handle_mm_fault+0x42a/0xc70
[  259.308137]  ? lock_downgrade+0x900/0x900
[  259.312300]  ? check_preemption_disabled+0x48/0x200
[  259.317338]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  259.323151]  ? kasan_check_read+0x11/0x20
[  259.327432]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  259.332751]  ? rcu_bh_qs+0xc0/0xc0
[  259.336308]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  259.341775]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.347331]  ? check_preemption_disabled+0x48/0x200
[  259.352374]  handle_mm_fault+0x54f/0xc70
[  259.356482]  ? __handle_mm_fault+0x53e0/0x53e0
[  259.361084]  ? find_vma+0x34/0x190
[  259.364645]  __do_page_fault+0x67d/0xed0
[  259.368728]  ? mm_fault_error+0x380/0x380
[  259.372901]  ? syscall_slow_exit_work+0x520/0x520
[  259.377761]  do_page_fault+0xf2/0x7e0
[  259.381608]  ? vmalloc_sync_all+0x30/0x30
[  259.385778]  ? error_entry+0x70/0xd0
[  259.389535]  ? trace_hardirqs_off_caller+0xbb/0x300
[  259.394564]  ? trace_hardirqs_on_caller+0xc0/0x300
[  259.399528]  ? syscall_return_slowpath+0x5e0/0x5e0
[  259.404497]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.409356]  ? trace_hardirqs_off+0x300/0x300
[  259.413925]  ? trace_hardirqs_off_caller+0x300/0x300
[  259.419064]  ? prepare_exit_to_usermode+0x291/0x3b0
[  259.424157]  ? page_fault+0x8/0x30
[  259.427714]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.432577]  ? page_fault+0x8/0x30
[  259.436136]  page_fault+0x1e/0x30
[  259.439609] RIP: 0033:0x45db60
[  259.442821] Code: Bad RIP value.
[  259.446194] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  259.451576] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  259.458855] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  259.466136] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  259.473420] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  259.480698] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  259.488014] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  259.488020] warn_alloc_show_mem: 1 callbacks suppressed
[  259.488028] Mem-Info:
[  259.495226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  259.495236] Call Trace:
[  259.500630] active_anon:41581 inactive_anon:372 isolated_anon:0
[  259.500630]  active_file:17 inactive_file:16 isolated_file:0
[  259.500630]  unevictable:0 dirty:0 writeback:0 unstable:0
[  259.500630]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  259.500630]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  259.500630]  free:13699 free_pcp:281 free_cma:0
[  259.503016]  <IRQ>
[  259.512391] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  259.515005]  dump_stack+0x1c4/0x2b4
[  259.547875] Node 0 
[  259.550041]  ? dump_stack_print_info.cold.2+0x52/0x52
[  259.577643] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  259.581267]  warn_alloc.cold.118+0xb7/0x1bd
[  259.583507] lowmem_reserve[]: 0
[  259.588719]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  259.614295]  2817
[  259.618647]  ? lock_downgrade+0x900/0x900
[  259.621902]  6321
[  259.626784]  ? trace_hardirqs_off+0xb8/0x300
[  259.628841]  6321
[  259.633005]  ? trace_hardirqs_off+0xb8/0x300
[  259.639505]  __alloc_pages_slowpath+0x2667/0x2d80
[  259.641555] Node 0 
[  259.646121]  ? warn_alloc+0x120/0x120
[  259.651003] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  259.653226]  ? trace_hardirqs_on+0x310/0x310
[  259.657010] lowmem_reserve[]: 0
[  259.684015]  ? warn_alloc+0x120/0x120
[  259.688415]  0
[  259.691708]  ? print_usage_bug+0xc0/0xc0
[  259.695523]  3503
[  259.697339]  ? warn_alloc+0x120/0x120
[  259.701388]  3503
[  259.703490]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  259.709409]  ? print_usage_bug+0xc0/0xc0
[  259.714499] Node 0 
[  259.718569]  ? __lock_acquire+0x7ec/0x4ec0
[  259.718601] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  259.718608] lowmem_reserve[]:
[  259.720963]  ? __lock_acquire+0x7ec/0x4ec0
[  259.725190]  0
[  259.753589]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.756686]  0
[  259.760935]  ? should_fail+0x22d/0xd01
[  259.762726]  0
[  259.768278]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.770072]  0
[  259.773969]  ? __lock_acquire+0x7ec/0x4ec0
[  259.780880]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.782673] Node 0 
[  259.786908]  ? __lock_acquire+0x7ec/0x4ec0
[  259.786925]  ? should_fail+0x22d/0xd01
[  259.792074] DMA: 
[  259.794333]  ? print_usage_bug+0xc0/0xc0
[  259.798559] 1*4kB 
[  259.802487]  ? mark_held_locks+0x130/0x130
[  259.804540] (U) 
[  259.808612]  ? mark_held_locks+0x130/0x130
[  259.810753] 0*8kB 0*16kB 
[  259.815009]  ? graph_lock+0x170/0x170
[  259.816967] 1*32kB (U) 
[  259.821279]  ? print_usage_bug+0xc0/0xc0
[  259.824032] 2*64kB 
[  259.827841]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  259.830414] (U) 
[  259.834509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.836735] 1*128kB 
[  259.841675]  ? check_preemption_disabled+0x48/0x200
[  259.843641] (U) 
[  259.849182]  ? check_preemption_disabled+0x48/0x200
[  259.849208]  ? __lock_is_held+0xb5/0x140
[  259.851518] 1*256kB 
[  259.856595]  __alloc_pages_nodemask+0xa80/0xde0
[  259.858559] (U) 
[  259.863582]  ? graph_lock+0x170/0x170
[  259.867635] 0*512kB 
[  259.869966]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  259.874630] 1*1024kB 
[  259.876613]  ? graph_lock+0x170/0x170
[  259.880399] (U) 1*2048kB 
[  259.882769]  ? find_held_lock+0x36/0x1c0
[  259.887762] (M) 
[  259.890189]  ? ____cache_alloc_node+0x1c7/0x1e0
[  259.894149] 3*4096kB 
[  259.897086]  ? lock_downgrade+0x900/0x900
[  259.901137] (M) 
[  259.903130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.907800] = 15908kB
[  259.910221]  cache_grow_begin+0x91/0x8c0
[  259.914359] Node 0 
[  259.916347]  ? do_raw_spin_unlock+0xa7/0x2f0
[  259.921931] DMA32: 
[  259.924383]  fallback_alloc+0x203/0x2e0
[  259.928430] 2*4kB 
[  259.930705]  ____cache_alloc_node+0x1c7/0x1e0
[  259.935105] (M) 
[  259.937353]  kmem_cache_alloc_node+0xe3/0x730
[  259.941314] 1*8kB 
[  259.943503]  ? ipv6_get_ifaddr+0x42e/0x620
[  259.947996] (U) 
[  259.949988]  __alloc_skb+0x119/0x770
[  259.954496] 3*16kB 
[  259.956660]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  259.960878] (M) 
[  259.962861]  ? skb_scrub_packet+0x490/0x490
[  259.966650] 1*32kB 
[  259.968906]  ? lock_downgrade+0x900/0x900
[  259.974164] (M) 3*64kB 
[  259.976175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.980501] (UM) 
[  259.982757]  ? refcount_sub_and_test_checked+0x203/0x310
[  259.986885] 3*128kB 
[  259.989501]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  259.995028] (M) 
[  259.997104]  ? addrconf_rs_timer+0x6f0/0x6f0
[  260.002537] 3*256kB (UM) 
[  260.004893]  ndisc_alloc_skb+0x144/0x340
[  260.010416] 4*512kB 
[  260.012409]  ndisc_send_rs+0x331/0x6e0
[  260.016803] (UM) 
[  260.019579]  addrconf_rs_timer+0x3c0/0x6f0
[  260.023635] 3*1024kB 
[  260.025998]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.029873] (M) 
[  260.031959]  call_timer_fn+0x272/0x920
[  260.036169] 1*2048kB (U) 
[  260.038599]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.042823] 4*4096kB 
[  260.044813]  ? process_timeout+0x40/0x40
[  260.048689] (M) 
[  260.051488]  ? find_held_lock+0x36/0x1c0
[  260.055709] = 24992kB
[  260.055718] Node 0 
[  260.058142]  ? __run_timers+0x7da/0xc70
[  260.062182] Normal: 882*4kB 
[  260.064180]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.068226] (UME) 
[  260.070659]  ? _raw_spin_unlock_irq+0x27/0x80
[  260.072890] 426*8kB 
[  260.076985]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.077003]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  260.080033] (MEH) 
[  260.084539]  ? trace_hardirqs_on+0xbd/0x310
[  260.086679] 175*16kB 
[  260.091186]  ? kasan_check_read+0x11/0x20
[  260.093517] (UME) 
[  260.097767]  ? __run_timers+0x7da/0xc70
[  260.102335] 71*32kB 
[  260.104588]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  260.108897] (UMEH) 
[  260.111320]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.115448] 10*64kB (UMH) 
[  260.117644]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  260.121600] 2*128kB (H) 
[  260.123945]  __run_timers+0x7e5/0xc70
[  260.129383] 0*256kB 
[  260.131642]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  260.135857] 2*512kB 
[  260.138713]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  260.142935] (UH) 
[  260.145618]  ? graph_lock+0x170/0x170
[  260.149410] 0*1024kB 
[  260.151741]  ? enqueue_hrtimer+0x1a5/0x560
[  260.157091] 0*2048kB 0*4096kB 
[  260.159438]  ? lock_release+0x970/0x970
[  260.164491] = 13928kB
[  260.166620]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  260.170419] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  260.172834]  ? find_held_lock+0x36/0x1c0
[  260.177064] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  260.180268]  ? graph_lock+0x170/0x170
[  260.184238] 412 total pagecache pages
[  260.186661]  ? pvclock_read_flags+0x160/0x160
[  260.191848] 0 pages in swap cache
[  260.200687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.204740] Swap cache stats: add 0, delete 0, find 0/0
[  260.213329]  ? check_preemption_disabled+0x48/0x200
[  260.217259] Free swap  = 0kB
[  260.217269] Total swap = 0kB
[  260.221087]  ? __lock_is_held+0xb5/0x140
[  260.225567] 1965979 pages RAM
[  260.229151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.234678] 0 pages HighMem/MovableOnly
[  260.240049]  ? check_preemption_disabled+0x48/0x200
[  260.245048] 342744 pages reserved
[  260.245057] 0 pages cma reserved
[  260.248088]  run_timer_softirq+0x52/0xb0
[  260.251228] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  260.255221]  ? rcu_read_lock_sched_held+0x108/0x120
[  260.255240]  __do_softirq+0x30b/0xad8
[  260.255265]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  260.258435] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  260.263916]  ? pvclock_read_flags+0x160/0x160
[  260.267878] syz-fuzzer cpuset=
[  260.272931]  ? lapic_next_event+0x5a/0x90
[  260.276375] /
[  260.279759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.283805]  mems_allowed=0
[  260.290307]  ? check_preemption_disabled+0x48/0x200
[  260.341545]  ? check_preemption_disabled+0x48/0x200
[  260.346729]  ? kvm_clock_read+0x18/0x30
[  260.350725]  ? kvm_sched_clock_read+0x9/0x20
[  260.355215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.360773]  ? check_preemption_disabled+0x48/0x200
[  260.365821]  irq_exit+0x17f/0x1c0
[  260.369297]  smp_apic_timer_interrupt+0x1cb/0x760
[  260.374152]  ? smp_reschedule_interrupt+0x109/0x650
[  260.379185]  ? smp_call_function_single_interrupt+0x650/0x650
[  260.385082]  ? interrupt_entry+0xb5/0xf0
[  260.389162]  ? trace_hardirqs_off_caller+0xbb/0x300
[  260.394254]  ? trace_hardirqs_off_caller+0xbb/0x300
[  260.399348]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.404210]  ? trace_hardirqs_off+0x300/0x300
[  260.408726]  ? trace_hardirqs_off+0x300/0x300
[  260.413250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.418811]  ? check_preemption_disabled+0x48/0x200
[  260.423839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.429397]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.434289]  apic_timer_interrupt+0xf/0x20
[  260.438604]  </IRQ>
[  260.440865] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  260.445814] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  260.464731] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  260.472486] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  260.479786] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  260.487070] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  260.494349] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  260.501629] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  260.508964]  skb_clone+0x1bb/0x500
[  260.512539]  ? finish_task_switch+0x2f5/0x900
[  260.517048]  ? skb_split+0x11e0/0x11e0
[  260.520954]  ? preempt_notifier_register+0x200/0x200
[  260.526069]  ? __switch_to_asm+0x34/0x70
[  260.530144]  ? __switch_to_asm+0x34/0x70
[  260.534273]  ? __switch_to_asm+0x40/0x70
[  260.538346]  ? __switch_to_asm+0x34/0x70
[  260.542423]  ? __switch_to_asm+0x40/0x70
[  260.546526]  ? __switch_to_asm+0x34/0x70
[  260.550599]  ? __switch_to_asm+0x40/0x70
[  260.554676]  ? __switch_to_asm+0x34/0x70
[  260.558765]  ? __switch_to_asm+0x34/0x70
[  260.562841]  ? __switch_to_asm+0x40/0x70
[  260.566981]  ? __switch_to_asm+0x34/0x70
[  260.571073]  bpf_clone_redirect+0xb9/0x490
[  260.575327]  ? __schedule+0x874/0x1ed0
[  260.579237]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  260.584274]  ? __sched_text_start+0x8/0x8
[  260.588440]  ? lockdep_hardirqs_on+0x421/0x5c0
[  260.593061]  ? retint_kernel+0x2d/0x2d
[  260.596965]  ? trace_hardirqs_on_caller+0xc0/0x300
[  260.601910]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  260.606690]  ? find_held_lock+0x36/0x1c0
[  260.610777]  ? lock_acquire+0x1ed/0x520
[  260.614779]  ? bpf_test_run+0x32e/0x5a0
[  260.618780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.624334]  ? check_preemption_disabled+0x48/0x200
[  260.629374]  ? kasan_check_read+0x11/0x20
[  260.633554]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  260.638847]  ? rcu_bh_qs+0xc0/0xc0
[  260.642403]  ? preempt_schedule+0x4d/0x60
[  260.646566]  ? ___preempt_schedule+0x16/0x18
[  260.650992]  ? bpf_test_run+0x1c0/0x5a0
[  260.654996]  ? netlink_diag_dump+0x2a0/0x2a0
[  260.659434]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.665006]  ? bpf_test_init.isra.9+0x70/0x100
[  260.669726]  ? bpf_prog_test_run_skb+0x634/0xb40
[  260.674525]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  260.679385]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  260.685001]  ? fput+0x130/0x1a0
[  260.688355]  ? __bpf_prog_get+0x9b/0x290
[  260.692435]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  260.697316]  ? bpf_prog_test_run+0x130/0x1a0
[  260.701742]  ? __x64_sys_bpf+0x3d8/0x510
[  260.705826]  ? bpf_prog_get+0x20/0x20
[  260.709649]  ? ksys_ioctl+0x81/0xd0
[  260.713311]  ? do_syscall_64+0x1b9/0x820
[  260.717389]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  260.722775]  ? syscall_return_slowpath+0x5e0/0x5e0
[  260.727723]  ? trace_hardirqs_off+0x300/0x300
[  260.732241]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  260.737485]  ? recalc_sigpending_tsk+0x180/0x180
[  260.742262]  ? kasan_check_write+0x14/0x20
[  260.746609]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.751502]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  260.756908] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  260.756996] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  260.763850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  260.763859] Call Trace:
[  260.770450] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  260.779710]  <IRQ>
[  260.782294] syz-executor4 cpuset=
[  260.792799]  dump_stack+0x1c4/0x2b4
[  260.795024] syz4
[  260.798512]  ? dump_stack_print_info.cold.2+0x52/0x52
[  260.802157]  mems_allowed=0
[  260.804155]  warn_alloc.cold.118+0xb7/0x1bd
[  260.816698]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  260.821562]  ? lock_downgrade+0x900/0x900
[  260.825733]  ? trace_hardirqs_off+0xb8/0x300
[  260.830337]  ? trace_hardirqs_off+0xb8/0x300
[  260.834773]  __alloc_pages_slowpath+0x2667/0x2d80
[  260.839667]  ? warn_alloc+0x120/0x120
[  260.843518]  ? warn_alloc+0x120/0x120
[  260.847337]  ? print_usage_bug+0xc0/0xc0
[  260.851415]  ? warn_alloc+0x120/0x120
[  260.855335]  ? print_usage_bug+0xc0/0xc0
[  260.859416]  ? __lock_acquire+0x7ec/0x4ec0
[  260.863663]  ? __lock_acquire+0x7ec/0x4ec0
[  260.867916]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.873491]  ? should_fail+0x22d/0xd01
[  260.877399]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.882518]  ? __lock_acquire+0x7ec/0x4ec0
[  260.886776]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.891948]  ? __lock_acquire+0x7ec/0x4ec0
[  260.896241]  ? should_fail+0x22d/0xd01
[  260.900163]  ? mark_held_locks+0x130/0x130
[  260.904415]  ? mark_held_locks+0x130/0x130
[  260.908669]  ? graph_lock+0x170/0x170
[  260.912502]  ? graph_lock+0x170/0x170
[  260.916324]  ? graph_lock+0x170/0x170
[  260.920143]  ? print_usage_bug+0xc0/0xc0
[  260.924225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.929786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.935342]  ? check_preemption_disabled+0x48/0x200
[  260.940373]  ? check_preemption_disabled+0x48/0x200
[  260.945419]  ? __lock_is_held+0xb5/0x140
[  260.949523]  __alloc_pages_nodemask+0xa80/0xde0
[  260.954208]  ? graph_lock+0x170/0x170
[  260.958026]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  260.963053]  ? graph_lock+0x170/0x170
[  260.966879]  ? find_held_lock+0x36/0x1c0
[  260.971071]  ? ____cache_alloc_node+0x1c7/0x1e0
[  260.975758]  ? lock_downgrade+0x900/0x900
[  260.979932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.985519]  cache_grow_begin+0x91/0x8c0
[  260.989603]  ? do_raw_spin_unlock+0xa7/0x2f0
[  260.994035]  fallback_alloc+0x203/0x2e0
[  260.998026]  ____cache_alloc_node+0x1c7/0x1e0
[  261.002539]  kmem_cache_alloc_node+0xe3/0x730
[  261.007065]  ? ipv6_get_ifaddr+0x42e/0x620
[  261.011324]  __alloc_skb+0x119/0x770
[  261.015051]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  261.020343]  ? skb_scrub_packet+0x490/0x490
[  261.024679]  ? lock_downgrade+0x900/0x900
[  261.028850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.034404]  ? refcount_sub_and_test_checked+0x203/0x310
[  261.039871]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  261.045342]  ? addrconf_rs_timer+0x6f0/0x6f0
[  261.049778]  ndisc_alloc_skb+0x144/0x340
[  261.053864]  ndisc_send_rs+0x331/0x6e0
[  261.057772]  addrconf_rs_timer+0x3c0/0x6f0
[  261.062027]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.066295]  call_timer_fn+0x272/0x920
[  261.070198]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.074452]  ? process_timeout+0x40/0x40
[  261.078554]  ? find_held_lock+0x36/0x1c0
[  261.082650]  ? mark_held_locks+0xc7/0x130
[  261.086818]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.091507]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.096077]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.100326]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  261.104919]  ? trace_hardirqs_on+0xbd/0x310
[  261.109262]  ? kasan_check_read+0x11/0x20
[  261.113423]  ? __run_timers+0x7da/0xc70
[  261.117438]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  261.122930]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.127192]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.131446]  __run_timers+0x7e5/0xc70
[  261.135303]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  261.140688]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  261.145727]  ? graph_lock+0x170/0x170
[  261.149558]  ? print_usage_bug+0xc0/0xc0
[  261.153652]  ? lock_release+0x970/0x970
[  261.157645]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  261.162857]  ? find_held_lock+0x36/0x1c0
[  261.166935]  ? graph_lock+0x170/0x170
[  261.170754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.176310]  ? check_preemption_disabled+0x48/0x200
[  261.181490]  ? __lock_is_held+0xb5/0x140
[  261.185569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.191121]  ? check_preemption_disabled+0x48/0x200
[  261.196168]  run_timer_softirq+0x52/0xb0
[  261.200253]  ? rcu_read_lock_sched_held+0x108/0x120
[  261.205290]  __do_softirq+0x30b/0xad8
[  261.209117]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  261.214260]  ? pvclock_read_flags+0x160/0x160
[  261.218768]  ? lapic_next_event+0x5a/0x90
[  261.222945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.228516]  ? check_preemption_disabled+0x48/0x200
[  261.233552]  ? check_preemption_disabled+0x48/0x200
[  261.238675]  ? kvm_clock_read+0x18/0x30
[  261.242663]  ? kvm_sched_clock_read+0x9/0x20
[  261.247090]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.252642]  ? check_preemption_disabled+0x48/0x200
[  261.257687]  irq_exit+0x17f/0x1c0
[  261.261163]  smp_apic_timer_interrupt+0x1cb/0x760
[  261.266024]  ? smp_reschedule_interrupt+0x109/0x650
[  261.271056]  ? smp_call_function_single_interrupt+0x650/0x650
[  261.276981]  ? interrupt_entry+0xb5/0xf0
[  261.281062]  ? trace_hardirqs_off_caller+0xbb/0x300
[  261.286176]  ? trace_hardirqs_off_caller+0xbb/0x300
[  261.291230]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.296095]  ? trace_hardirqs_off+0x300/0x300
[  261.300600]  ? trace_hardirqs_off+0x300/0x300
[  261.305109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.310668]  ? check_preemption_disabled+0x48/0x200
[  261.315696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.321265]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.326144]  apic_timer_interrupt+0xf/0x20
[  261.330386]  </IRQ>
[  261.332639] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  261.337934] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  261.357007] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  261.364815] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  261.372109] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  261.379400] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  261.386680] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  261.393962] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  261.401347]  ? arch_local_irq_restore+0x45/0x52
[  261.406043]  dump_stack+0x26a/0x2b4
[  261.409688]  ? dump_stack_print_info.cold.2+0x52/0x52
[  261.414895]  ? mark_held_locks+0x130/0x130
[  261.419145]  ? mark_held_locks+0x130/0x130
[  261.423398]  dump_header+0x27b/0xf72
[  261.427142]  ? pagefault_out_of_memory+0x197/0x197
[  261.432152]  ? mark_held_locks+0x130/0x130
[  261.436406]  ? __lock_acquire+0x7ec/0x4ec0
[  261.440659]  ? mem_cgroup_charge_statistics+0x780/0x780
[  261.446034]  ? print_usage_bug+0xc0/0xc0
[  261.450106]  ? print_usage_bug+0xc0/0xc0
[  261.454185]  ? graph_lock+0x170/0x170
[  261.458101]  ? graph_lock+0x170/0x170
[  261.462032]  ? print_usage_bug+0xc0/0xc0
[  261.466109]  ? print_usage_bug+0xc0/0xc0
[  261.470195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.475754]  ? find_held_lock+0x36/0x1c0
[  261.479837]  ? mark_held_locks+0xc7/0x130
[  261.484018]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  261.489134]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  261.494257]  ? lockdep_hardirqs_on+0x421/0x5c0
[  261.498861]  ? trace_hardirqs_on+0xbd/0x310
[  261.503196]  ? kasan_check_read+0x11/0x20
[  261.507359]  ? ___ratelimit+0x36f/0x655
[  261.511353]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  261.516904]  ? trace_hardirqs_on+0x310/0x310
[  261.521327]  ? lock_downgrade+0x900/0x900
[  261.525529]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  261.530758]  ? ___ratelimit+0xaa/0x655
[  261.534666]  ? idr_get_free+0xec0/0xec0
[  261.538662]  ? kasan_check_write+0x14/0x20
[  261.542911]  ? do_raw_spin_lock+0xc1/0x200
[  261.547170]  oom_kill_process.cold.27+0x10/0x903
[  261.551941]  ? graph_lock+0x170/0x170
[  261.555753]  ? _raw_spin_unlock+0x2c/0x50
[  261.559913]  ? oom_badness+0xe6/0xaa0
[  261.563731]  ? oom_evaluate_task+0x540/0x540
[  261.568158]  ? find_held_lock+0x36/0x1c0
[  261.572240]  ? out_of_memory+0x974/0x14c0
[  261.576648]  ? lock_downgrade+0x900/0x900
[  261.580813]  ? check_preemption_disabled+0x48/0x200
[  261.585852]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  261.591811]  ? kasan_check_read+0x11/0x20
[  261.595996]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  261.601286]  ? rcu_bh_qs+0xc0/0xc0
[  261.604850]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  261.609881]  ? oom_evaluate_task+0x302/0x540
[  261.614310]  out_of_memory+0xa86/0x14c0
[  261.618310]  ? oom_killer_disable+0x3a0/0x3a0
[  261.622821]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  261.627875]  ? __mutex_add_waiter+0x2a0/0x2a0
[  261.632398]  __alloc_pages_slowpath+0x2318/0x2d80
[  261.637293]  ? warn_alloc+0x120/0x120
[  261.641135]  ? __radix_tree_lookup+0x4c0/0x4c0
[  261.645753]  ? find_get_entry+0x2f2/0xc40
[  261.649928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.655503]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  261.660450]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.666030]  ? should_fail+0x22d/0xd01
[  261.669936]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.675050]  ? __lock_is_held+0xb5/0x140
[  261.679152]  ? __lock_is_held+0xb5/0x140
[  261.683234]  ? find_held_lock+0x36/0x1c0
[  261.687321]  ? ___might_sleep+0x1ed/0x300
[  261.691501]  ? lock_release+0x970/0x970
[  261.695513]  ? arch_local_save_flags+0x40/0x40
[  261.700120]  ? __might_sleep+0x95/0x190
[  261.704113]  __alloc_pages_nodemask+0xa80/0xde0
[  261.708804]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  261.713837]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  261.719762]  ? kasan_check_read+0x11/0x20
[  261.723927]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  261.729220]  ? graph_lock+0x170/0x170
[  261.733171]  ? print_usage_bug+0xc0/0xc0
[  261.737254]  ? graph_lock+0x170/0x170
[  261.741097]  ? graph_lock+0x170/0x170
[  261.744912]  ? __do_page_cache_readahead+0x7ce/0x980
[  261.750039]  ? find_held_lock+0x36/0x1c0
[  261.754125]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  261.759683]  alloc_pages_current+0x10c/0x210
[  261.764115]  ? lock_downgrade+0x900/0x900
[  261.768285]  __page_cache_alloc+0x38f/0x5b0
[  261.772625]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  261.778437]  ? kasan_check_read+0x11/0x20
[  261.782627]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  261.787922]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  261.792604]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.798161]  ? check_preemption_disabled+0x48/0x200
[  261.803201]  filemap_fault+0x1594/0x25f0
[  261.807297]  ? __lock_page_or_retry+0xa00/0xa00
[  261.811982]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  261.817793]  ? kasan_check_read+0x11/0x20
[  261.821954]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  261.827251]  ? rcu_bh_qs+0xc0/0xc0
[  261.830811]  ? print_usage_bug+0xc0/0xc0
[  261.834895]  ? filemap_map_pages+0xdea/0x1980
[  261.839411]  ? print_usage_bug+0xc0/0xc0
[  261.844068]  ? find_get_pages_range_tag+0x1320/0x1320
[  261.849284]  ? print_usage_bug+0xc0/0xc0
[  261.853359]  ? __lock_acquire+0x7ec/0x4ec0
[  261.857607]  ? graph_lock+0x170/0x170
[  261.861422]  ? __sigqueue_free.part.27+0x7d/0xa0
[  261.866413]  ? __lock_acquire+0x7ec/0x4ec0
[  261.870676]  ? lock_acquire+0x1ed/0x520
[  261.874669]  ? ext4_filemap_fault+0x7a/0xad
[  261.879165]  ? lock_release+0x970/0x970
[  261.883156]  ? arch_local_save_flags+0x40/0x40
[  261.887754]  ? mark_held_locks+0x130/0x130
[  261.892066]  ? down_read+0xb0/0x1d0
[  261.895707]  ? ext4_filemap_fault+0x7a/0xad
[  261.900157]  ? __down_interruptible+0x700/0x700
[  261.904856]  ? graph_lock+0x170/0x170
[  261.908674]  ? __sigqueue_free.part.27+0x7d/0xa0
[  261.913486]  ext4_filemap_fault+0x82/0xad
[  261.917660]  __do_fault+0x100/0x6b0
[  261.921303]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  261.926600]  ? print_bad_pte+0x6c0/0x6c0
[  261.930681]  ? pmd_val+0x88/0x100
[  261.934150]  ? add_mm_counter_fast+0xd0/0xd0
[  261.938578]  ? pmd_val+0x88/0x100
[  261.942044]  ? add_mm_counter_fast+0xd0/0xd0
[  261.946498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.952058]  __handle_mm_fault+0x3709/0x53e0
[  261.956518]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  261.961392]  ? graph_lock+0x170/0x170
[  261.965214]  ? print_usage_bug+0xc0/0xc0
[  261.969297]  ? graph_lock+0x170/0x170
[  261.973132]  ? graph_lock+0x170/0x170
[  261.976967]  ? handle_mm_fault+0x42a/0xc70
[  261.981220]  ? lock_downgrade+0x900/0x900
[  261.985394]  ? check_preemption_disabled+0x48/0x200
[  261.990432]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  261.996274]  ? kasan_check_read+0x11/0x20
[  262.000451]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  262.005774]  ? rcu_bh_qs+0xc0/0xc0
[  262.009333]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  262.014801]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.020353]  ? check_preemption_disabled+0x48/0x200
[  262.025394]  handle_mm_fault+0x54f/0xc70
[  262.029502]  ? __handle_mm_fault+0x53e0/0x53e0
[  262.034118]  ? find_vma+0x34/0x190
[  262.037683]  __do_page_fault+0x67d/0xed0
[  262.041793]  ? mm_fault_error+0x380/0x380
[  262.045971]  ? syscall_slow_exit_work+0x520/0x520
[  262.050836]  do_page_fault+0xf2/0x7e0
[  262.054654]  ? vmalloc_sync_all+0x30/0x30
[  262.058929]  ? error_entry+0x70/0xd0
[  262.062660]  ? trace_hardirqs_off_caller+0xbb/0x300
[  262.067687]  ? trace_hardirqs_on_caller+0xc0/0x300
[  262.072627]  ? syscall_return_slowpath+0x5e0/0x5e0
[  262.077572]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.082431]  ? trace_hardirqs_off+0x300/0x300
[  262.086964]  ? trace_hardirqs_off_caller+0x300/0x300
[  262.092092]  ? prepare_exit_to_usermode+0x291/0x3b0
[  262.097122]  ? page_fault+0x8/0x30
[  262.100681]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.105542]  ? page_fault+0x8/0x30
[  262.109141]  page_fault+0x1e/0x30
[  262.112608] RIP: 0033:0x45db60
[  262.115818] Code: Bad RIP value.
[  262.119190] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  262.124573] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  262.131853] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  262.139134] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  262.146412] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  262.153696] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  262.161017] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  262.161022] warn_alloc_show_mem: 1 callbacks suppressed
[  262.161029] Mem-Info:
[  262.168243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  262.173634] active_anon:41581 inactive_anon:372 isolated_anon:0
[  262.173634]  active_file:17 inactive_file:16 isolated_file:0
[  262.173634]  unevictable:0 dirty:0 writeback:0 unstable:0
[  262.173634]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  262.173634]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  262.173634]  free:13699 free_pcp:281 free_cma:0
[  262.176019] Call Trace:
[  262.185424] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  262.218298]  <IRQ>
[  262.220887] Node 0 
[  262.248767]  dump_stack+0x1c4/0x2b4
[  262.250932] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  262.253161]  ? dump_stack_print_info.cold.2+0x52/0x52
[  262.256771] lowmem_reserve[]: 0
[  262.282308]  warn_alloc.cold.118+0xb7/0x1bd
[  262.287499]  2817
[  262.290787]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  262.295100]  6321
[  262.297177]  ? lock_downgrade+0x900/0x900
[  262.302007]  6321
[  262.304088]  ? trace_hardirqs_off+0xb8/0x300
[  262.310298]  ? trace_hardirqs_off+0xb8/0x300
[  262.314694] Node 0 DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  262.319143]  __alloc_pages_slowpath+0x2667/0x2d80
[  262.319186]  ? warn_alloc+0x120/0x120
[  262.346738] lowmem_reserve[]: 0
[  262.351626]  ? trace_hardirqs_on+0x310/0x310
[  262.355408]  0
[  262.358695]  ? warn_alloc+0x120/0x120
[  262.363104]  3503
[  262.364925]  ? print_usage_bug+0xc0/0xc0
[  262.368713]  3503
[  262.370786]  ? warn_alloc+0x120/0x120
[  262.374843] Node 0 
[  262.376917]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  262.380734] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  262.382954]  ? print_usage_bug+0xc0/0xc0
[  262.387956] lowmem_reserve[]: 0
[  262.416349]  ? __lock_acquire+0x7ec/0x4ec0
[  262.420402]  0
[  262.423758]  ? __lock_acquire+0x7ec/0x4ec0
[  262.427985]  0
[  262.429801]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.434018]  0
[  262.434034] Node 0 
[  262.435889]  ? should_fail+0x22d/0xd01
[  262.441396] DMA: 
[  262.443214]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.445441] 1*4kB 
[  262.449362]  ? __lock_acquire+0x7ec/0x4ec0
[  262.451415] (U) 
[  262.456532]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.458666] 0*8kB 0*16kB 
[  262.462916]  ? __lock_acquire+0x7ec/0x4ec0
[  262.464881] 1*32kB (U) 
[  262.470003]  ? should_fail+0x22d/0xd01
[  262.472744] 2*64kB (U) 1*128kB 
[  262.477001]  ? print_usage_bug+0xc0/0xc0
[  262.479576] (U) 
[  262.483499]  ? mark_held_locks+0x130/0x130
[  262.486773] 1*256kB 
[  262.490843]  ? mark_held_locks+0x130/0x130
[  262.492807] (U) 0*512kB 
[  262.497061]  ? graph_lock+0x170/0x170
[  262.499371] 1*1024kB 
[  262.503613]  ? print_usage_bug+0xc0/0xc0
[  262.506277] (U) 
[  262.510092]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  262.512502] 1*2048kB (M) 
[  262.516605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.518570] 3*4096kB 
[  262.523338]  ? check_preemption_disabled+0x48/0x200
[  262.526079] (M) 
[  262.531619]  ? check_preemption_disabled+0x48/0x200
[  262.534011] = 15908kB
[  262.534020] Node 0 
[  262.539043]  ? __lock_is_held+0xb5/0x140
[  262.541002] DMA32: 
[  262.546025]  __alloc_pages_nodemask+0xa80/0xde0
[  262.548418] 2*4kB 
[  262.550655]  ? graph_lock+0x170/0x170
[  262.554694] (M) 
[  262.556941]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  262.561588] 1*8kB 
[  262.563754]  ? graph_lock+0x170/0x170
[  262.567534] (U) 3*16kB 
[  262.569517]  ? find_held_lock+0x36/0x1c0
[  262.574498] (M) 1*32kB 
[  262.576668]  ? ____cache_alloc_node+0x1c7/0x1e0
[  262.580433] (M) 3*64kB 
[  262.583052]  ? lock_downgrade+0x900/0x900
[  262.587091] (UM) 
[  262.589680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.594315] 3*128kB (M) 3*256kB 
[  262.596948]  cache_grow_begin+0x91/0x8c0
[  262.601071] (UM) 
[  262.603133]  ? do_raw_spin_unlock+0xa7/0x2f0
[  262.608647] 4*512kB 
[  262.612011]  fallback_alloc+0x203/0x2e0
[  262.616049] (UM) 
[  262.618113]  ____cache_alloc_node+0x1c7/0x1e0
[  262.622501] 3*1024kB 
[  262.624820]  kmem_cache_alloc_node+0xe3/0x730
[  262.628768] (M) 
[  262.630854]  ? ipv6_get_ifaddr+0x42e/0x620
[  262.635325] 1*2048kB 
[  262.637762]  __alloc_skb+0x119/0x770
[  262.642226] (U) 
[  262.644218]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  262.648420] 4*4096kB (M) 
[  262.650848]  ? skb_scrub_packet+0x490/0x490
[  262.654547] = 24992kB
[  262.654556] Node 0 
[  262.656540]  ? lock_downgrade+0x900/0x900
[  262.661797] Normal: 882*4kB 
[  262.664569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.668864] (UME) 
[  262.671280]  ? refcount_sub_and_test_checked+0x203/0x310
[  262.673498] 426*8kB (MEH) 
[  262.677659]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  262.680686] 175*16kB 
[  262.686230]  ? addrconf_rs_timer+0x6f0/0x6f0
[  262.688365] (UME) 
[  262.693914]  ndisc_alloc_skb+0x144/0x340
[  262.696735] 71*32kB 
[  262.702191]  ndisc_send_rs+0x331/0x6e0
[  262.704599] (UMEH) 
[  262.709012]  addrconf_rs_timer+0x3c0/0x6f0
[  262.711148] 10*64kB (UMH) 
[  262.715226]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.717528] 2*128kB (H) 
[  262.721444]  call_timer_fn+0x272/0x920
[  262.723674] 0*256kB 2*512kB 
[  262.727923]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.730774] (UH) 
[  262.735254]  ? process_timeout+0x40/0x40
[  262.737918] 0*1024kB 0*2048kB 
[  262.741820]  ? find_held_lock+0x36/0x1c0
[  262.744982] 0*4096kB = 13928kB
[  262.749236]  ? __run_timers+0x7da/0xc70
[  262.751299] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  262.755360]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.758560] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  262.762631]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.765818] 412 total pagecache pages
[  262.769801]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.778632] 0 pages in swap cache
[  262.783134]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  262.791876] Swap cache stats: add 0, delete 0, find 0/0
[  262.796384]  ? trace_hardirqs_on+0xbd/0x310
[  262.800172] Free swap  = 0kB
[  262.804424]  ? kasan_check_read+0x11/0x20
[  262.807866] Total swap = 0kB
[  262.812486]  ? __run_timers+0x7da/0xc70
[  262.817841] 1965979 pages RAM
[  262.822352]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  262.825364] 0 pages HighMem/MovableOnly
[  262.825374] 342744 pages reserved
[  262.829539]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.832548] 0 pages cma reserved
[  262.836544]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.839727] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  262.845129]  __run_timers+0x7e5/0xc70
[  262.849282] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  262.852653]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  262.856944] syz-fuzzer cpuset=
[  262.860323]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  262.864550] /
[  262.871052]  ? graph_lock+0x170/0x170
[  262.874851]  mems_allowed=0
[  262.885084]  ? enqueue_hrtimer+0x1a5/0x560
[  262.911496]  ? lock_release+0x970/0x970
[  262.915519]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  262.920736]  ? find_held_lock+0x36/0x1c0
[  262.924823]  ? graph_lock+0x170/0x170
[  262.928645]  ? pvclock_read_flags+0x160/0x160
[  262.933159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.938714]  ? check_preemption_disabled+0x48/0x200
[  262.943767]  ? __lock_is_held+0xb5/0x140
[  262.947847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.953403]  ? check_preemption_disabled+0x48/0x200
[  262.958442]  run_timer_softirq+0x52/0xb0
[  262.962551]  ? rcu_read_lock_sched_held+0x108/0x120
[  262.967589]  __do_softirq+0x30b/0xad8
[  262.971416]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  262.976651]  ? pvclock_read_flags+0x160/0x160
[  262.981165]  ? lapic_next_event+0x5a/0x90
[  262.985348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.990903]  ? check_preemption_disabled+0x48/0x200
[  262.996053]  ? check_preemption_disabled+0x48/0x200
[  263.001090]  ? kvm_clock_read+0x18/0x30
[  263.005079]  ? kvm_sched_clock_read+0x9/0x20
[  263.009534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.015154]  ? check_preemption_disabled+0x48/0x200
[  263.020204]  irq_exit+0x17f/0x1c0
[  263.023683]  smp_apic_timer_interrupt+0x1cb/0x760
[  263.028548]  ? smp_reschedule_interrupt+0x109/0x650
[  263.033584]  ? smp_call_function_single_interrupt+0x650/0x650
[  263.039510]  ? interrupt_entry+0xb5/0xf0
[  263.043593]  ? trace_hardirqs_off_caller+0xbb/0x300
[  263.048623]  ? trace_hardirqs_off_caller+0xbb/0x300
[  263.053657]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.058534]  ? trace_hardirqs_off+0x300/0x300
[  263.063039]  ? trace_hardirqs_off+0x300/0x300
[  263.067573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.073127]  ? check_preemption_disabled+0x48/0x200
[  263.078155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.083716]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.088596]  apic_timer_interrupt+0xf/0x20
[  263.092846]  </IRQ>
[  263.095106] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  263.100050] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  263.118965] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  263.126704] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  263.133987] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  263.141267] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  263.148551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  263.155832] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  263.163164]  skb_clone+0x1bb/0x500
[  263.166872]  ? finish_task_switch+0x2f5/0x900
[  263.171385]  ? skb_split+0x11e0/0x11e0
[  263.175288]  ? preempt_notifier_register+0x200/0x200
[  263.180404]  ? __switch_to_asm+0x34/0x70
[  263.184502]  ? __switch_to_asm+0x34/0x70
[  263.188651]  ? __switch_to_asm+0x40/0x70
[  263.192736]  ? __switch_to_asm+0x34/0x70
[  263.196816]  ? __switch_to_asm+0x40/0x70
[  263.200888]  ? __switch_to_asm+0x34/0x70
[  263.204959]  ? __switch_to_asm+0x40/0x70
[  263.209312]  ? __switch_to_asm+0x34/0x70
[  263.213391]  ? __switch_to_asm+0x34/0x70
[  263.217486]  ? __switch_to_asm+0x40/0x70
[  263.221630]  ? __switch_to_asm+0x34/0x70
[  263.225716]  bpf_clone_redirect+0xb9/0x490
[  263.229972]  ? __schedule+0x874/0x1ed0
[  263.233885]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  263.238938]  ? __sched_text_start+0x8/0x8
[  263.243131]  ? lockdep_hardirqs_on+0x421/0x5c0
[  263.247725]  ? retint_kernel+0x2d/0x2d
[  263.251636]  ? trace_hardirqs_on_caller+0xc0/0x300
[  263.256591]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  263.261370]  ? find_held_lock+0x36/0x1c0
[  263.265482]  ? lock_acquire+0x1ed/0x520
[  263.269500]  ? bpf_test_run+0x32e/0x5a0
[  263.273511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.279083]  ? check_preemption_disabled+0x48/0x200
[  263.284133]  ? kasan_check_read+0x11/0x20
[  263.288298]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  263.293592]  ? rcu_bh_qs+0xc0/0xc0
[  263.297149]  ? preempt_schedule+0x4d/0x60
[  263.301327]  ? ___preempt_schedule+0x16/0x18
[  263.305762]  ? bpf_test_run+0x1c0/0x5a0
[  263.309766]  ? netlink_diag_dump+0x2a0/0x2a0
[  263.314195]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.319834]  ? bpf_test_init.isra.9+0x70/0x100
[  263.324435]  ? bpf_prog_test_run_skb+0x634/0xb40
[  263.329243]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  263.334100]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  263.339659]  ? fput+0x130/0x1a0
[  263.342961]  ? __bpf_prog_get+0x9b/0x290
[  263.347039]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  263.351893]  ? bpf_prog_test_run+0x130/0x1a0
[  263.356322]  ? __x64_sys_bpf+0x3d8/0x510
[  263.360396]  ? bpf_prog_get+0x20/0x20
[  263.364224]  ? ksys_ioctl+0x81/0xd0
[  263.367883]  ? do_syscall_64+0x1b9/0x820
[  263.371959]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  263.377341]  ? syscall_return_slowpath+0x5e0/0x5e0
[  263.382294]  ? trace_hardirqs_off+0x300/0x300
[  263.386811]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  263.391846]  ? recalc_sigpending_tsk+0x180/0x180
[  263.396623]  ? kasan_check_write+0x14/0x20
[  263.400881]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.405765]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  263.411162] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  263.411250] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  263.418109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  263.418115] Call Trace:
[  263.418122]  <IRQ>
[  263.418139]  dump_stack+0x1c4/0x2b4
[  263.418163]  ? dump_stack_print_info.cold.2+0x52/0x52
[  263.424733] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  263.434051]  warn_alloc.cold.118+0xb7/0x1bd
[  263.436632] syz-executor4 cpuset=
[  263.438795]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  263.442420] syz4
[  263.447779]  ? lock_downgrade+0x900/0x900
[  263.458262]  mems_allowed=0
[  263.462598]  ? trace_hardirqs_off+0xb8/0x300
[  263.484482]  ? trace_hardirqs_off+0xb8/0x300
[  263.488923]  __alloc_pages_slowpath+0x2667/0x2d80
[  263.493815]  ? warn_alloc+0x120/0x120
[  263.497636]  ? trace_hardirqs_on+0x310/0x310
[  263.502058]  ? warn_alloc+0x120/0x120
[  263.505876]  ? print_usage_bug+0xc0/0xc0
[  263.509952]  ? warn_alloc+0x120/0x120
[  263.513779]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  263.518813]  ? print_usage_bug+0xc0/0xc0
[  263.522892]  ? __lock_acquire+0x7ec/0x4ec0
[  263.527159]  ? __lock_acquire+0x7ec/0x4ec0
[  263.531411]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.536965]  ? should_fail+0x22d/0xd01
[  263.540873]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.545989]  ? __lock_acquire+0x7ec/0x4ec0
[  263.550257]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.555373]  ? __lock_acquire+0x7ec/0x4ec0
[  263.559625]  ? should_fail+0x22d/0xd01
[  263.563527]  ? print_usage_bug+0xc0/0xc0
[  263.567615]  ? mark_held_locks+0x130/0x130
[  263.571870]  ? mark_held_locks+0x130/0x130
[  263.576145]  ? graph_lock+0x170/0x170
[  263.579960]  ? print_usage_bug+0xc0/0xc0
[  263.584037]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  263.588812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.594376]  ? check_preemption_disabled+0x48/0x200
[  263.599410]  ? check_preemption_disabled+0x48/0x200
[  263.604544]  ? __lock_is_held+0xb5/0x140
[  263.608631]  __alloc_pages_nodemask+0xa80/0xde0
[  263.613319]  ? graph_lock+0x170/0x170
[  263.617138]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  263.622165]  ? graph_lock+0x170/0x170
[  263.626009]  ? find_held_lock+0x36/0x1c0
[  263.630100]  ? ____cache_alloc_node+0x1c7/0x1e0
[  263.634788]  ? lock_downgrade+0x900/0x900
[  263.638965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.644531]  cache_grow_begin+0x91/0x8c0
[  263.648608]  ? do_raw_spin_unlock+0xa7/0x2f0
[  263.653046]  fallback_alloc+0x203/0x2e0
[  263.657046]  ____cache_alloc_node+0x1c7/0x1e0
[  263.661563]  kmem_cache_alloc_node+0xe3/0x730
[  263.666077]  ? ipv6_get_ifaddr+0x42e/0x620
[  263.670339]  __alloc_skb+0x119/0x770
[  263.674070]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  263.679394]  ? skb_scrub_packet+0x490/0x490
[  263.683730]  ? lock_downgrade+0x900/0x900
[  263.687906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.693620]  ? refcount_sub_and_test_checked+0x203/0x310
[  263.699094]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  263.704564]  ? addrconf_rs_timer+0x6f0/0x6f0
[  263.709024]  ndisc_alloc_skb+0x144/0x340
[  263.713108]  ndisc_send_rs+0x331/0x6e0
[  263.717036]  addrconf_rs_timer+0x3c0/0x6f0
[  263.721365]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.725804]  call_timer_fn+0x272/0x920
[  263.729707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.733958]  ? process_timeout+0x40/0x40
[  263.738033]  ? find_held_lock+0x36/0x1c0
[  263.742119]  ? mark_held_locks+0xc7/0x130
[  263.746284]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.750794]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.755308]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.759559]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  263.764159]  ? trace_hardirqs_on+0xbd/0x310
[  263.768517]  ? kasan_check_read+0x11/0x20
[  263.772685]  ? __run_timers+0x7da/0xc70
[  263.776680]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  263.782240]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.786523]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.790776]  __run_timers+0x7e5/0xc70
[  263.794640]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  263.800025]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  263.805062]  ? graph_lock+0x170/0x170
[  263.808882]  ? print_usage_bug+0xc0/0xc0
[  263.812954]  ? lock_release+0x970/0x970
[  263.816945]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  263.822161]  ? find_held_lock+0x36/0x1c0
[  263.826247]  ? graph_lock+0x170/0x170
[  263.830072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.835627]  ? check_preemption_disabled+0x48/0x200
[  263.841162]  ? __lock_is_held+0xb5/0x140
[  263.845249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.850804]  ? check_preemption_disabled+0x48/0x200
[  263.855851]  run_timer_softirq+0x52/0xb0
[  263.859933]  ? rcu_read_lock_sched_held+0x108/0x120
[  263.864970]  __do_softirq+0x30b/0xad8
[  263.868800]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  263.873924]  ? pvclock_read_flags+0x160/0x160
[  263.878435]  ? lapic_next_event+0x5a/0x90
[  263.882633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.888195]  ? check_preemption_disabled+0x48/0x200
[  263.893227]  ? check_preemption_disabled+0x48/0x200
[  263.898275]  ? kvm_clock_read+0x18/0x30
[  263.902274]  ? kvm_sched_clock_read+0x9/0x20
[  263.906701]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.912262]  ? check_preemption_disabled+0x48/0x200
[  263.917312]  irq_exit+0x17f/0x1c0
[  263.920788]  smp_apic_timer_interrupt+0x1cb/0x760
[  263.925645]  ? smp_reschedule_interrupt+0x109/0x650
[  263.930891]  ? smp_call_function_single_interrupt+0x650/0x650
[  263.936796]  ? interrupt_entry+0xb5/0xf0
[  263.940878]  ? trace_hardirqs_off_caller+0xbb/0x300
[  263.945910]  ? trace_hardirqs_off_caller+0xbb/0x300
[  263.950945]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.955803]  ? trace_hardirqs_off+0x300/0x300
[  263.960312]  ? trace_hardirqs_off+0x300/0x300
[  263.964825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.970524]  ? check_preemption_disabled+0x48/0x200
[  263.975554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.981124]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.985996]  apic_timer_interrupt+0xf/0x20
[  263.990311]  </IRQ>
[  263.992577] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  263.997868] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  264.016901] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  264.024632] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  264.031915] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  264.039195] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  264.046504] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  264.053787] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  264.061119]  ? arch_local_irq_restore+0x45/0x52
[  264.065812]  dump_stack+0x26a/0x2b4
[  264.069482]  ? dump_stack_print_info.cold.2+0x52/0x52
[  264.074695]  ? mark_held_locks+0x130/0x130
[  264.078943]  ? mark_held_locks+0x130/0x130
[  264.083198]  dump_header+0x27b/0xf72
[  264.086940]  ? pagefault_out_of_memory+0x197/0x197
[  264.091890]  ? mark_held_locks+0x130/0x130
[  264.096155]  ? __lock_acquire+0x7ec/0x4ec0
[  264.100405]  ? mem_cgroup_charge_statistics+0x780/0x780
[  264.105922]  ? print_usage_bug+0xc0/0xc0
[  264.109999]  ? print_usage_bug+0xc0/0xc0
[  264.114092]  ? graph_lock+0x170/0x170
[  264.117904]  ? graph_lock+0x170/0x170
[  264.121721]  ? print_usage_bug+0xc0/0xc0
[  264.125796]  ? print_usage_bug+0xc0/0xc0
[  264.129885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.135443]  ? find_held_lock+0x36/0x1c0
[  264.139561]  ? mark_held_locks+0xc7/0x130
[  264.143734]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  264.148854]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  264.153976]  ? lockdep_hardirqs_on+0x421/0x5c0
[  264.158579]  ? trace_hardirqs_on+0xbd/0x310
[  264.162917]  ? kasan_check_read+0x11/0x20
[  264.167083]  ? ___ratelimit+0x36f/0x655
[  264.171075]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  264.176548]  ? trace_hardirqs_on+0x310/0x310
[  264.180973]  ? lock_downgrade+0x900/0x900
[  264.185145]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  264.190273]  ? ___ratelimit+0xaa/0x655
[  264.194179]  ? idr_get_free+0xec0/0xec0
[  264.198173]  ? kasan_check_write+0x14/0x20
[  264.202530]  ? do_raw_spin_lock+0xc1/0x200
[  264.206795]  oom_kill_process.cold.27+0x10/0x903
[  264.211568]  ? graph_lock+0x170/0x170
[  264.215384]  ? _raw_spin_unlock+0x2c/0x50
[  264.219548]  ? oom_badness+0xe6/0xaa0
[  264.223373]  ? oom_evaluate_task+0x540/0x540
[  264.227803]  ? find_held_lock+0x36/0x1c0
[  264.231887]  ? out_of_memory+0x974/0x14c0
[  264.236077]  ? lock_downgrade+0x900/0x900
[  264.240292]  ? check_preemption_disabled+0x48/0x200
[  264.245331]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  264.251150]  ? kasan_check_read+0x11/0x20
[  264.255318]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  264.260610]  ? rcu_bh_qs+0xc0/0xc0
[  264.264172]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  264.269206]  ? oom_evaluate_task+0x302/0x540
[  264.273635]  out_of_memory+0xa86/0x14c0
[  264.277634]  ? oom_killer_disable+0x3a0/0x3a0
[  264.282144]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  264.287095]  ? __mutex_add_waiter+0x2a0/0x2a0
[  264.291697]  __alloc_pages_slowpath+0x2318/0x2d80
[  264.296593]  ? warn_alloc+0x120/0x120
[  264.300412]  ? __radix_tree_lookup+0x4c0/0x4c0
[  264.305024]  ? find_get_entry+0x2f2/0xc40
[  264.309200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.314755]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  264.319701]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.325270]  ? should_fail+0x22d/0xd01
[  264.329181]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.334303]  ? __lock_is_held+0xb5/0x140
[  264.338551]  ? __lock_is_held+0xb5/0x140
[  264.342643]  ? find_held_lock+0x36/0x1c0
[  264.346850]  ? ___might_sleep+0x1ed/0x300
[  264.351011]  ? lock_release+0x970/0x970
[  264.355174]  ? arch_local_save_flags+0x40/0x40
[  264.359796]  ? __might_sleep+0x95/0x190
[  264.363810]  __alloc_pages_nodemask+0xa80/0xde0
[  264.368531]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  264.373569]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  264.379384]  ? kasan_check_read+0x11/0x20
[  264.383560]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  264.388858]  ? graph_lock+0x170/0x170
[  264.392675]  ? print_usage_bug+0xc0/0xc0
[  264.396768]  ? graph_lock+0x170/0x170
[  264.400855]  ? graph_lock+0x170/0x170
[  264.404678]  ? __do_page_cache_readahead+0x7ce/0x980
[  264.409813]  ? find_held_lock+0x36/0x1c0
[  264.413895]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  264.419481]  alloc_pages_current+0x10c/0x210
[  264.424432]  ? lock_downgrade+0x900/0x900
[  264.428632]  __page_cache_alloc+0x38f/0x5b0
[  264.432975]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  264.438790]  ? kasan_check_read+0x11/0x20
[  264.442958]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  264.448263]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  264.452950]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.458531]  ? check_preemption_disabled+0x48/0x200
[  264.463576]  filemap_fault+0x1594/0x25f0
[  264.467671]  ? __lock_page_or_retry+0xa00/0xa00
[  264.472371]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  264.478191]  ? kasan_check_read+0x11/0x20
[  264.482362]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  264.487656]  ? rcu_bh_qs+0xc0/0xc0
[  264.491219]  ? print_usage_bug+0xc0/0xc0
[  264.495312]  ? filemap_map_pages+0xdea/0x1980
[  264.499848]  ? print_usage_bug+0xc0/0xc0
[  264.503938]  ? find_get_pages_range_tag+0x1320/0x1320
[  264.509144]  ? print_usage_bug+0xc0/0xc0
[  264.513219]  ? __lock_acquire+0x7ec/0x4ec0
[  264.517502]  ? graph_lock+0x170/0x170
[  264.521325]  ? __sigqueue_free.part.27+0x7d/0xa0
[  264.526218]  ? __lock_acquire+0x7ec/0x4ec0
[  264.530509]  ? lock_acquire+0x1ed/0x520
[  264.534529]  ? ext4_filemap_fault+0x7a/0xad
[  264.538873]  ? lock_release+0x970/0x970
[  264.543359]  ? arch_local_save_flags+0x40/0x40
[  264.547963]  ? mark_held_locks+0x130/0x130
[  264.552228]  ? down_read+0xb0/0x1d0
[  264.555878]  ? ext4_filemap_fault+0x7a/0xad
[  264.560216]  ? __down_interruptible+0x700/0x700
[  264.564908]  ? graph_lock+0x170/0x170
[  264.568730]  ? __sigqueue_free.part.27+0x7d/0xa0
[  264.573541]  ext4_filemap_fault+0x82/0xad
[  264.577716]  __do_fault+0x100/0x6b0
[  264.581364]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  264.586693]  ? print_bad_pte+0x6c0/0x6c0
[  264.590775]  ? pmd_val+0x88/0x100
[  264.594252]  ? add_mm_counter_fast+0xd0/0xd0
[  264.598679]  ? pmd_val+0x88/0x100
[  264.602159]  ? add_mm_counter_fast+0xd0/0xd0
[  264.606590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.612149]  __handle_mm_fault+0x3709/0x53e0
[  264.616587]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  264.621447]  ? graph_lock+0x170/0x170
[  264.625297]  ? print_usage_bug+0xc0/0xc0
[  264.629381]  ? graph_lock+0x170/0x170
[  264.633199]  ? graph_lock+0x170/0x170
[  264.637036]  ? handle_mm_fault+0x42a/0xc70
[  264.641513]  ? lock_downgrade+0x900/0x900
[  264.645681]  ? check_preemption_disabled+0x48/0x200
[  264.650725]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  264.656549]  ? kasan_check_read+0x11/0x20
[  264.660715]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  264.666009]  ? rcu_bh_qs+0xc0/0xc0
[  264.669566]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  264.675033]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.680589]  ? check_preemption_disabled+0x48/0x200
[  264.685633]  handle_mm_fault+0x54f/0xc70
[  264.689717]  ? __handle_mm_fault+0x53e0/0x53e0
[  264.694317]  ? find_vma+0x34/0x190
[  264.697881]  __do_page_fault+0x67d/0xed0
[  264.701972]  ? mm_fault_error+0x380/0x380
[  264.706142]  ? syscall_slow_exit_work+0x520/0x520
[  264.711007]  do_page_fault+0xf2/0x7e0
[  264.714825]  ? vmalloc_sync_all+0x30/0x30
[  264.718989]  ? error_entry+0x70/0xd0
[  264.722727]  ? trace_hardirqs_off_caller+0xbb/0x300
[  264.727760]  ? trace_hardirqs_on_caller+0xc0/0x300
[  264.733028]  ? syscall_return_slowpath+0x5e0/0x5e0
[  264.737975]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.742838]  ? trace_hardirqs_off+0x300/0x300
[  264.747439]  ? trace_hardirqs_off_caller+0x300/0x300
[  264.752591]  ? prepare_exit_to_usermode+0x291/0x3b0
[  264.757624]  ? page_fault+0x8/0x30
[  264.761183]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.766048]  ? page_fault+0x8/0x30
[  264.769607]  page_fault+0x1e/0x30
[  264.773077] RIP: 0033:0x45db60
[  264.776292] Code: Bad RIP value.
[  264.779755] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  264.785135] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  264.792418] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  264.799735] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  264.807194] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  264.814504] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  264.821820] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  264.821826] warn_alloc_show_mem: 1 callbacks suppressed
[  264.821834] Mem-Info:
[  264.829040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  264.829051] Call Trace:
[  264.834553] active_anon:41581 inactive_anon:372 isolated_anon:0
[  264.834553]  active_file:17 inactive_file:16 isolated_file:0
[  264.834553]  unevictable:0 dirty:0 writeback:0 unstable:0
[  264.834553]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  264.834553]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  264.834553]  free:13699 free_pcp:281 free_cma:0
[  264.836946]  <IRQ>
[  264.846331] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  264.848945]  dump_stack+0x1c4/0x2b4
[  264.882016] Node 0 
[  264.884197]  ? dump_stack_print_info.cold.2+0x52/0x52
[  264.911809] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  264.915483]  warn_alloc.cold.118+0xb7/0x1bd
[  264.917697] lowmem_reserve[]:
[  264.922905]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  264.948513]  0 2817
[  264.952884]  ? lock_downgrade+0x900/0x900
[  264.955973]  6321
[  264.960977]  ? trace_hardirqs_off+0xb8/0x300
[  264.963198]  6321
[  264.967363]  ? trace_hardirqs_off+0xb8/0x300
[  264.973840]  __alloc_pages_slowpath+0x2667/0x2d80
[  264.975891] Node 0 
[  264.980399]  ? warn_alloc+0x120/0x120
[  264.985234] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  264.987490]  ? warn_alloc+0x120/0x120
[  264.991272] lowmem_reserve[]: 0
[  265.019249]  ? print_usage_bug+0xc0/0xc0
[  265.023045]  0
[  265.026336]  ? warn_alloc+0x120/0x120
[  265.030388]  3503
[  265.032204]  ? print_usage_bug+0xc0/0xc0
[  265.035993]  3503
[  265.038069]  ? __lock_acquire+0x7ec/0x4ec0
[  265.044194]  ? __lock_acquire+0x7ec/0x4ec0
[  265.048421] Node 0 
[  265.052671]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.052703] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  265.052711] lowmem_reserve[]:
[  265.054960]  ? should_fail+0x22d/0xd01
[  265.060520]  0
[  265.088937]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.092034]  0
[  265.095937]  ? __lock_acquire+0x7ec/0x4ec0
[  265.097729]  0
[  265.102899]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.104689]  0
[  265.108939]  ? __lock_acquire+0x7ec/0x4ec0
[  265.110737] Node 0 
[  265.116028]  ? should_fail+0x22d/0xd01
[  265.117822] DMA: 
[  265.122077]  ? mark_held_locks+0x130/0x130
[  265.124301] 1*4kB 
[  265.128198]  ? mark_held_locks+0x130/0x130
[  265.130259] (U) 
[  265.134520]  ? graph_lock+0x170/0x170
[  265.136825] 0*8kB 
[  265.141068]  ? graph_lock+0x170/0x170
[  265.143032] 0*16kB 1*32kB 
[  265.146850]  ? graph_lock+0x170/0x170
[  265.148997] (U) 
[  265.152810]  ? print_usage_bug+0xc0/0xc0
[  265.155643] 2*64kB (U) 
[  265.159623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.161585] 1*128kB (U) 
[  265.165724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.168302] 1*256kB 
[  265.173856]  ? check_preemption_disabled+0x48/0x200
[  265.176553] (U) 
[  265.182102]  ? check_preemption_disabled+0x48/0x200
[  265.184416] 0*512kB 
[  265.189476]  ? __lock_is_held+0xb5/0x140
[  265.191439] 1*1024kB 
[  265.196526]  __alloc_pages_nodemask+0xa80/0xde0
[  265.198837] (U) 
[  265.202917]  ? graph_lock+0x170/0x170
[  265.205339] 1*2048kB (M) 
[  265.210036]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  265.212004] 3*4096kB 
[  265.215968]  ? graph_lock+0x170/0x170
[  265.218714] (M) 
[  265.223764]  ? find_held_lock+0x36/0x1c0
[  265.226151] = 15908kB
[  265.229970]  ? ____cache_alloc_node+0x1c7/0x1e0
[  265.231937] Node 0 
[  265.236008]  ? lock_downgrade+0x900/0x900
[  265.238525] DMA32: 2*4kB 
[  265.243221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.245447] (M) 
[  265.249672]  cache_grow_begin+0x91/0x8c0
[  265.252419] 1*8kB 
[  265.257969]  ? do_raw_spin_unlock+0xa7/0x2f0
[  265.259936] (U) 
[  265.264077]  fallback_alloc+0x203/0x2e0
[  265.266217] 3*16kB 
[  265.270641]  ____cache_alloc_node+0x1c7/0x1e0
[  265.272605] (M) 
[  265.276595]  kmem_cache_alloc_node+0xe3/0x730
[  265.278818] 1*32kB (M) 
[  265.283336]  ? ipv6_get_ifaddr+0x42e/0x620
[  265.285295] 3*64kB (UM) 
[  265.289821]  __alloc_skb+0x119/0x770
[  265.292388] 3*128kB (M) 
[  265.296648]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  265.299305] 3*256kB (UM) 
[  265.303037]  ? skb_scrub_packet+0x490/0x490
[  265.305703] 4*512kB 
[  265.310995]  ? lock_downgrade+0x900/0x900
[  265.313754] (UM) 
[  265.318120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.320427] 3*1024kB (M) 
[  265.324624]  ? refcount_sub_and_test_checked+0x203/0x310
[  265.326681] 1*2048kB 
[  265.332233]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  265.334985] (U) 
[  265.340538]  ? addrconf_rs_timer+0x6f0/0x6f0
[  265.342940] 4*4096kB 
[  265.348411]  ndisc_alloc_skb+0x144/0x340
[  265.350372] (M) 
[  265.354798]  ndisc_send_rs+0x331/0x6e0
[  265.357202] = 24992kB
[  265.361277]  addrconf_rs_timer+0x3c0/0x6f0
[  265.363248] Node 0 
[  265.367208]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.369610] Normal: 
[  265.373927]  call_timer_fn+0x272/0x920
[  265.376151] 882*4kB 
[  265.380397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.382711] (UME) 
[  265.386614]  ? process_timeout+0x40/0x40
[  265.388929] 426*8kB 
[  265.393178]  ? find_held_lock+0x36/0x1c0
[  265.395317] (MEH) 
[  265.399401]  ? __run_timers+0x7da/0xc70
[  265.401712] 175*16kB 
[  265.406270]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.408543] (UME) 
[  265.412532]  ? _raw_spin_unlock_irq+0x27/0x80
[  265.414935] 71*32kB 
[  265.419443]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.421609] (UMEH) 
[  265.426116]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  265.428425] 10*64kB (UMH) 
[  265.432714]  ? trace_hardirqs_on+0xbd/0x310
[  265.434939] 2*128kB (H) 
[  265.439572]  ? kasan_check_read+0x11/0x20
[  265.442398] 0*256kB 
[  265.446746]  ? __run_timers+0x7da/0xc70
[  265.449403] 2*512kB 
[  265.453562]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  265.455874] (UH) 
[  265.459865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.462181] 0*1024kB 
[  265.467647]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  265.469700] 0*2048kB 
[  265.473962]  __run_timers+0x7e5/0xc70
[  265.476356] 0*4096kB = 13928kB
[  265.480625]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  265.483023] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  265.486890]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  265.490080] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  265.495476]  ? graph_lock+0x170/0x170
[  265.504306] 412 total pagecache pages
[  265.509332]  ? enqueue_hrtimer+0x1a5/0x560
[  265.517909] 0 pages in swap cache
[  265.521718]  ? lock_release+0x970/0x970
[  265.525508] Swap cache stats: add 0, delete 0, find 0/0
[  265.525518] Free swap  = 0kB
[  265.529771]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  265.533212] Total swap = 0kB
[  265.537202]  ? find_held_lock+0x36/0x1c0
[  265.542556] 1965979 pages RAM
[  265.545586]  ? graph_lock+0x170/0x170
[  265.550870] 0 pages HighMem/MovableOnly
[  265.553897]  ? pvclock_read_flags+0x160/0x160
[  265.557943] 342744 pages reserved
[  265.557952] 0 pages cma reserved
[  265.561072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.564946] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  265.568843]  ? check_preemption_disabled+0x48/0x200
[  265.568876]  ? __lock_is_held+0xb5/0x140
[  265.573439] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  265.576837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.580195] syz-fuzzer cpuset=
[  265.585756]  ? check_preemption_disabled+0x48/0x200
[  265.592232] /
[  265.597268]  run_timer_softirq+0x52/0xb0
[  265.601321]  mems_allowed=0
[  265.611564]  ? rcu_read_lock_sched_held+0x108/0x120
[  265.639035]  __do_softirq+0x30b/0xad8
[  265.642864]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  265.647989]  ? pvclock_read_flags+0x160/0x160
[  265.652516]  ? lapic_next_event+0x5a/0x90
[  265.656680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.662243]  ? check_preemption_disabled+0x48/0x200
[  265.667277]  ? check_preemption_disabled+0x48/0x200
[  265.672494]  ? kvm_clock_read+0x18/0x30
[  265.676514]  ? kvm_sched_clock_read+0x9/0x20
[  265.681118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.686735]  ? check_preemption_disabled+0x48/0x200
[  265.691795]  irq_exit+0x17f/0x1c0
[  265.695270]  smp_apic_timer_interrupt+0x1cb/0x760
[  265.700134]  ? smp_reschedule_interrupt+0x109/0x650
[  265.705171]  ? smp_call_function_single_interrupt+0x650/0x650
[  265.711135]  ? interrupt_entry+0xb5/0xf0
[  265.715217]  ? trace_hardirqs_off_caller+0xbb/0x300
[  265.720345]  ? trace_hardirqs_off_caller+0xbb/0x300
[  265.725379]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.730241]  ? trace_hardirqs_off+0x300/0x300
[  265.734769]  ? trace_hardirqs_off+0x300/0x300
[  265.739282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.744838]  ? check_preemption_disabled+0x48/0x200
[  265.749898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.755489]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.760361]  apic_timer_interrupt+0xf/0x20
[  265.764608]  </IRQ>
[  265.766865] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  265.771815] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  265.790735] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  265.798498] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  265.805788] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  265.813070] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  265.820557] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  265.827840] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  265.835303]  skb_clone+0x1bb/0x500
[  265.838881]  ? finish_task_switch+0x2f5/0x900
[  265.843621]  ? skb_split+0x11e0/0x11e0
[  265.847549]  ? preempt_notifier_register+0x200/0x200
[  265.852676]  ? __switch_to_asm+0x34/0x70
[  265.856759]  ? __switch_to_asm+0x34/0x70
[  265.860833]  ? __switch_to_asm+0x40/0x70
[  265.864921]  ? __switch_to_asm+0x34/0x70
[  265.868993]  ? __switch_to_asm+0x40/0x70
[  265.873065]  ? __switch_to_asm+0x34/0x70
[  265.877139]  ? __switch_to_asm+0x40/0x70
[  265.881211]  ? __switch_to_asm+0x34/0x70
[  265.885301]  ? __switch_to_asm+0x34/0x70
[  265.889602]  ? __switch_to_asm+0x40/0x70
[  265.893681]  ? __switch_to_asm+0x34/0x70
[  265.897790]  bpf_clone_redirect+0xb9/0x490
[  265.902052]  ? __schedule+0x874/0x1ed0
[  265.906029]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  265.911072]  ? __sched_text_start+0x8/0x8
[  265.915244]  ? lockdep_hardirqs_on+0x421/0x5c0
[  265.919849]  ? retint_kernel+0x2d/0x2d
[  265.923768]  ? trace_hardirqs_on_caller+0xc0/0x300
[  265.928810]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  265.933593]  ? find_held_lock+0x36/0x1c0
[  265.937681]  ? lock_acquire+0x1ed/0x520
[  265.941674]  ? bpf_test_run+0x32e/0x5a0
[  265.945663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.951222]  ? check_preemption_disabled+0x48/0x200
[  265.956261]  ? kasan_check_read+0x11/0x20
[  265.960431]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  265.965758]  ? rcu_bh_qs+0xc0/0xc0
[  265.969385]  ? preempt_schedule+0x4d/0x60
[  265.973558]  ? ___preempt_schedule+0x16/0x18
[  265.977990]  ? bpf_test_run+0x1c0/0x5a0
[  265.982003]  ? netlink_diag_dump+0x2a0/0x2a0
[  265.986432]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.992009]  ? bpf_test_init.isra.9+0x70/0x100
[  265.996612]  ? bpf_prog_test_run_skb+0x634/0xb40
[  266.001390]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  266.006246]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  266.011799]  ? fput+0x130/0x1a0
[  266.015097]  ? __bpf_prog_get+0x9b/0x290
[  266.019175]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  266.024033]  ? bpf_prog_test_run+0x130/0x1a0
[  266.028485]  ? __x64_sys_bpf+0x3d8/0x510
[  266.032565]  ? bpf_prog_get+0x20/0x20
[  266.036402]  ? ksys_ioctl+0x81/0xd0
[  266.040094]  ? do_syscall_64+0x1b9/0x820
[  266.044177]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  266.049561]  ? syscall_return_slowpath+0x5e0/0x5e0
[  266.054626]  ? trace_hardirqs_off+0x300/0x300
[  266.059143]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  266.064236]  ? recalc_sigpending_tsk+0x180/0x180
[  266.069022]  ? kasan_check_write+0x14/0x20
[  266.073282]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.078148]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  266.083546] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  266.083664] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  266.090506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  266.090512] Call Trace:
[  266.090519]  <IRQ>
[  266.090536]  dump_stack+0x1c4/0x2b4
[  266.090557]  ? dump_stack_print_info.cold.2+0x52/0x52
[  266.097152] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  266.106438]  warn_alloc.cold.118+0xb7/0x1bd
[  266.109005] syz-executor4 cpuset=
[  266.111168]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  266.114787] syz4
[  266.119989]  ? lock_downgrade+0x900/0x900
[  266.130499]  mems_allowed=0
[  266.134834]  ? trace_hardirqs_off+0xb8/0x300
[  266.156587]  ? trace_hardirqs_off+0xb8/0x300
[  266.161020]  __alloc_pages_slowpath+0x2667/0x2d80
[  266.165909]  ? warn_alloc+0x120/0x120
[  266.169735]  ? warn_alloc+0x120/0x120
[  266.173663]  ? print_usage_bug+0xc0/0xc0
[  266.177752]  ? warn_alloc+0x120/0x120
[  266.181575]  ? print_usage_bug+0xc0/0xc0
[  266.185656]  ? __lock_acquire+0x7ec/0x4ec0
[  266.189909]  ? __lock_acquire+0x7ec/0x4ec0
[  266.194160]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.199714]  ? should_fail+0x22d/0xd01
[  266.203625]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.208742]  ? __lock_acquire+0x7ec/0x4ec0
[  266.213013]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.218128]  ? __lock_acquire+0x7ec/0x4ec0
[  266.222379]  ? should_fail+0x22d/0xd01
[  266.226292]  ? mark_held_locks+0x130/0x130
[  266.230725]  ? mark_held_locks+0x130/0x130
[  266.234976]  ? graph_lock+0x170/0x170
[  266.238791]  ? graph_lock+0x170/0x170
[  266.242610]  ? graph_lock+0x170/0x170
[  266.246429]  ? print_usage_bug+0xc0/0xc0
[  266.250535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.256108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.261669]  ? check_preemption_disabled+0x48/0x200
[  266.266701]  ? check_preemption_disabled+0x48/0x200
[  266.271743]  ? __lock_is_held+0xb5/0x140
[  266.275829]  __alloc_pages_nodemask+0xa80/0xde0
[  266.280526]  ? graph_lock+0x170/0x170
[  266.284349]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  266.289379]  ? graph_lock+0x170/0x170
[  266.293209]  ? find_held_lock+0x36/0x1c0
[  266.297301]  ? ____cache_alloc_node+0x1c7/0x1e0
[  266.301997]  ? lock_downgrade+0x900/0x900
[  266.306167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.311725]  cache_grow_begin+0x91/0x8c0
[  266.315806]  ? do_raw_spin_unlock+0xa7/0x2f0
[  266.320249]  fallback_alloc+0x203/0x2e0
[  266.324277]  ____cache_alloc_node+0x1c7/0x1e0
[  266.328798]  kmem_cache_alloc_node+0xe3/0x730
[  266.333314]  ? ipv6_get_ifaddr+0x42e/0x620
[  266.337577]  __alloc_skb+0x119/0x770
[  266.341307]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  266.346605]  ? skb_scrub_packet+0x490/0x490
[  266.350941]  ? lock_downgrade+0x900/0x900
[  266.355115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.360672]  ? refcount_sub_and_test_checked+0x203/0x310
[  266.366141]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  266.371718]  ? addrconf_rs_timer+0x6f0/0x6f0
[  266.376159]  ndisc_alloc_skb+0x144/0x340
[  266.380247]  ndisc_send_rs+0x331/0x6e0
[  266.384173]  addrconf_rs_timer+0x3c0/0x6f0
[  266.388429]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.392719]  call_timer_fn+0x272/0x920
[  266.396620]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.400870]  ? process_timeout+0x40/0x40
[  266.404943]  ? find_held_lock+0x36/0x1c0
[  266.409023]  ? mark_held_locks+0xc7/0x130
[  266.413190]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.417701]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.422209]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.426490]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  266.431102]  ? trace_hardirqs_on+0xbd/0x310
[  266.435561]  ? kasan_check_read+0x11/0x20
[  266.439732]  ? __run_timers+0x7da/0xc70
[  266.443728]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  266.449287]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.453543]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.457818]  __run_timers+0x7e5/0xc70
[  266.461655]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  266.467037]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  266.472071]  ? graph_lock+0x170/0x170
[  266.475894]  ? print_usage_bug+0xc0/0xc0
[  266.480087]  ? lock_release+0x970/0x970
[  266.484078]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  266.489290]  ? find_held_lock+0x36/0x1c0
[  266.493371]  ? graph_lock+0x170/0x170
[  266.497192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.502758]  ? check_preemption_disabled+0x48/0x200
[  266.507801]  ? __lock_is_held+0xb5/0x140
[  266.511879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.517431]  ? check_preemption_disabled+0x48/0x200
[  266.522565]  run_timer_softirq+0x52/0xb0
[  266.526644]  ? rcu_read_lock_sched_held+0x108/0x120
[  266.531683]  __do_softirq+0x30b/0xad8
[  266.535529]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  266.540653]  ? pvclock_read_flags+0x160/0x160
[  266.545222]  ? lapic_next_event+0x5a/0x90
[  266.549395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.554949]  ? check_preemption_disabled+0x48/0x200
[  266.559979]  ? check_preemption_disabled+0x48/0x200
[  266.565016]  ? kvm_clock_read+0x18/0x30
[  266.569004]  ? kvm_sched_clock_read+0x9/0x20
[  266.573433]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.579027]  ? check_preemption_disabled+0x48/0x200
[  266.584071]  irq_exit+0x17f/0x1c0
[  266.587542]  smp_apic_timer_interrupt+0x1cb/0x760
[  266.592526]  ? smp_reschedule_interrupt+0x109/0x650
[  266.597560]  ? smp_call_function_single_interrupt+0x650/0x650
[  266.603486]  ? interrupt_entry+0xb5/0xf0
[  266.607686]  ? trace_hardirqs_off_caller+0xbb/0x300
[  266.612718]  ? trace_hardirqs_off_caller+0xbb/0x300
[  266.617752]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.622611]  ? trace_hardirqs_off+0x300/0x300
[  266.627220]  ? trace_hardirqs_off+0x300/0x300
[  266.631738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.637296]  ? check_preemption_disabled+0x48/0x200
[  266.642326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.647888]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.652755]  apic_timer_interrupt+0xf/0x20
[  266.657013]  </IRQ>
[  266.659270] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  266.664565] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  266.683503] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  266.691230] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  266.698524] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  266.705804] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  266.713087] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  266.720368] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  266.727674]  ? arch_local_irq_restore+0x45/0x52
[  266.732559]  dump_stack+0x26a/0x2b4
[  266.736208]  ? dump_stack_print_info.cold.2+0x52/0x52
[  266.741422]  ? mark_held_locks+0x130/0x130
[  266.746080]  ? mark_held_locks+0x130/0x130
[  266.750348]  dump_header+0x27b/0xf72
[  266.754090]  ? pagefault_out_of_memory+0x197/0x197
[  266.759053]  ? mark_held_locks+0x130/0x130
[  266.763304]  ? __lock_acquire+0x7ec/0x4ec0
[  266.767558]  ? mem_cgroup_charge_statistics+0x780/0x780
[  266.773036]  ? print_usage_bug+0xc0/0xc0
[  266.777125]  ? print_usage_bug+0xc0/0xc0
[  266.781233]  ? graph_lock+0x170/0x170
[  266.785051]  ? graph_lock+0x170/0x170
[  266.788861]  ? print_usage_bug+0xc0/0xc0
[  266.792933]  ? print_usage_bug+0xc0/0xc0
[  266.797022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.802585]  ? find_held_lock+0x36/0x1c0
[  266.806669]  ? mark_held_locks+0xc7/0x130
[  266.810837]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  266.815971]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  266.821110]  ? lockdep_hardirqs_on+0x421/0x5c0
[  266.825711]  ? trace_hardirqs_on+0xbd/0x310
[  266.830079]  ? kasan_check_read+0x11/0x20
[  266.834262]  ? ___ratelimit+0x36f/0x655
[  266.838343]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  266.843884]  ? trace_hardirqs_on+0x310/0x310
[  266.848307]  ? lock_downgrade+0x900/0x900
[  266.852498]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  266.857620]  ? ___ratelimit+0xaa/0x655
[  266.861527]  ? idr_get_free+0xec0/0xec0
[  266.865524]  ? kasan_check_write+0x14/0x20
[  266.869793]  ? do_raw_spin_lock+0xc1/0x200
[  266.874054]  oom_kill_process.cold.27+0x10/0x903
[  266.878874]  ? graph_lock+0x170/0x170
[  266.882692]  ? _raw_spin_unlock+0x2c/0x50
[  266.886854]  ? oom_badness+0xe6/0xaa0
[  266.890679]  ? oom_evaluate_task+0x540/0x540
[  266.895106]  ? find_held_lock+0x36/0x1c0
[  266.899191]  ? out_of_memory+0x974/0x14c0
[  266.903358]  ? lock_downgrade+0x900/0x900
[  266.907526]  ? check_preemption_disabled+0x48/0x200
[  266.912567]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  266.918382]  ? kasan_check_read+0x11/0x20
[  266.922547]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  266.927841]  ? rcu_bh_qs+0xc0/0xc0
[  266.931402]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  266.936431]  ? oom_evaluate_task+0x302/0x540
[  266.940886]  out_of_memory+0xa86/0x14c0
[  266.944886]  ? oom_killer_disable+0x3a0/0x3a0
[  266.949399]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  266.954353]  ? __mutex_add_waiter+0x2a0/0x2a0
[  266.958966]  __alloc_pages_slowpath+0x2318/0x2d80
[  266.963858]  ? warn_alloc+0x120/0x120
[  266.967684]  ? __radix_tree_lookup+0x4c0/0x4c0
[  266.972297]  ? find_get_entry+0x2f2/0xc40
[  266.976495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.982056]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  266.987012]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.992568]  ? should_fail+0x22d/0xd01
[  266.996499]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.001622]  ? __lock_is_held+0xb5/0x140
[  267.005724]  ? __lock_is_held+0xb5/0x140
[  267.009812]  ? find_held_lock+0x36/0x1c0
[  267.013896]  ? ___might_sleep+0x1ed/0x300
[  267.018056]  ? lock_release+0x970/0x970
[  267.022061]  ? arch_local_save_flags+0x40/0x40
[  267.026678]  ? __might_sleep+0x95/0x190
[  267.030750]  __alloc_pages_nodemask+0xa80/0xde0
[  267.035469]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  267.040518]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  267.046334]  ? kasan_check_read+0x11/0x20
[  267.050534]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  267.055830]  ? graph_lock+0x170/0x170
[  267.059649]  ? print_usage_bug+0xc0/0xc0
[  267.063730]  ? graph_lock+0x170/0x170
[  267.067546]  ? graph_lock+0x170/0x170
[  267.071364]  ? __do_page_cache_readahead+0x7ce/0x980
[  267.076517]  ? find_held_lock+0x36/0x1c0
[  267.080601]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  267.086280]  alloc_pages_current+0x10c/0x210
[  267.090823]  ? lock_downgrade+0x900/0x900
[  267.094991]  __page_cache_alloc+0x38f/0x5b0
[  267.099329]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  267.105146]  ? kasan_check_read+0x11/0x20
[  267.109309]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  267.114605]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  267.119291]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.124853]  ? check_preemption_disabled+0x48/0x200
[  267.129893]  filemap_fault+0x1594/0x25f0
[  267.133991]  ? __lock_page_or_retry+0xa00/0xa00
[  267.138672]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  267.144506]  ? kasan_check_read+0x11/0x20
[  267.148673]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  267.153964]  ? rcu_bh_qs+0xc0/0xc0
[  267.157542]  ? print_usage_bug+0xc0/0xc0
[  267.161635]  ? filemap_map_pages+0xdea/0x1980
[  267.166152]  ? print_usage_bug+0xc0/0xc0
[  267.170245]  ? find_get_pages_range_tag+0x1320/0x1320
[  267.175480]  ? print_usage_bug+0xc0/0xc0
[  267.179563]  ? __lock_acquire+0x7ec/0x4ec0
[  267.183814]  ? graph_lock+0x170/0x170
[  267.187633]  ? __sigqueue_free.part.27+0x7d/0xa0
[  267.192413]  ? __lock_acquire+0x7ec/0x4ec0
[  267.196703]  ? lock_acquire+0x1ed/0x520
[  267.200694]  ? ext4_filemap_fault+0x7a/0xad
[  267.205037]  ? lock_release+0x970/0x970
[  267.209029]  ? arch_local_save_flags+0x40/0x40
[  267.213629]  ? mark_held_locks+0x130/0x130
[  267.217895]  ? down_read+0xb0/0x1d0
[  267.221536]  ? ext4_filemap_fault+0x7a/0xad
[  267.225884]  ? __down_interruptible+0x700/0x700
[  267.230571]  ? graph_lock+0x170/0x170
[  267.234393]  ? __sigqueue_free.part.27+0x7d/0xa0
[  267.239177]  ext4_filemap_fault+0x82/0xad
[  267.243348]  __do_fault+0x100/0x6b0
[  267.246992]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  267.252286]  ? print_bad_pte+0x6c0/0x6c0
[  267.256369]  ? pmd_val+0x88/0x100
[  267.259839]  ? add_mm_counter_fast+0xd0/0xd0
[  267.264268]  ? pmd_val+0x88/0x100
[  267.267737]  ? add_mm_counter_fast+0xd0/0xd0
[  267.272173]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.277735]  __handle_mm_fault+0x3709/0x53e0
[  267.282172]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  267.287034]  ? graph_lock+0x170/0x170
[  267.290855]  ? print_usage_bug+0xc0/0xc0
[  267.294937]  ? graph_lock+0x170/0x170
[  267.298752]  ? graph_lock+0x170/0x170
[  267.302591]  ? handle_mm_fault+0x42a/0xc70
[  267.306842]  ? lock_downgrade+0x900/0x900
[  267.311009]  ? check_preemption_disabled+0x48/0x200
[  267.316095]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  267.321921]  ? kasan_check_read+0x11/0x20
[  267.326084]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  267.331403]  ? rcu_bh_qs+0xc0/0xc0
[  267.334960]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  267.340429]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.346010]  ? check_preemption_disabled+0x48/0x200
[  267.351052]  handle_mm_fault+0x54f/0xc70
[  267.355146]  ? __handle_mm_fault+0x53e0/0x53e0
[  267.359753]  ? find_vma+0x34/0x190
[  267.363316]  __do_page_fault+0x67d/0xed0
[  267.367401]  ? mm_fault_error+0x380/0x380
[  267.371571]  ? syscall_slow_exit_work+0x520/0x520
[  267.376473]  do_page_fault+0xf2/0x7e0
[  267.380295]  ? vmalloc_sync_all+0x30/0x30
[  267.384531]  ? error_entry+0x70/0xd0
[  267.388376]  ? trace_hardirqs_off_caller+0xbb/0x300
[  267.393404]  ? trace_hardirqs_on_caller+0xc0/0x300
[  267.398348]  ? syscall_return_slowpath+0x5e0/0x5e0
[  267.403292]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.408149]  ? trace_hardirqs_off+0x300/0x300
[  267.412663]  ? trace_hardirqs_off_caller+0x300/0x300
[  267.417793]  ? prepare_exit_to_usermode+0x291/0x3b0
[  267.422956]  ? page_fault+0x8/0x30
[  267.426522]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.431382]  ? page_fault+0x8/0x30
[  267.434939]  page_fault+0x1e/0x30
[  267.438406] RIP: 0033:0x45db60
[  267.441621] Code: Bad RIP value.
[  267.444996] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  267.450375] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  267.457719] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  267.465002] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  267.472282] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  267.479568] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  267.486879] warn_alloc_show_mem: 1 callbacks suppressed
[  267.486892] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  267.486894] Mem-Info:
[  267.486927] active_anon:41581 inactive_anon:372 isolated_anon:0
[  267.486927]  active_file:17 inactive_file:16 isolated_file:0
[  267.486927]  unevictable:0 dirty:0 writeback:0 unstable:0
[  267.486927]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  267.486927]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  267.486927]  free:13699 free_pcp:281 free_cma:0
[  267.492282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  267.492291] Call Trace:
[  267.499522] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  267.501936]  <IRQ>
[  267.535015] Node 0 
[  267.544395]  dump_stack+0x1c4/0x2b4
[  267.547033] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  267.574799]  ? dump_stack_print_info.cold.2+0x52/0x52
[  267.576942] lowmem_reserve[]:
[  267.579200]  warn_alloc.cold.118+0xb7/0x1bd
[  267.582875]  0
[  267.608390]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  267.613574]  2817
[  267.616702]  ? lock_downgrade+0x900/0x900
[  267.621015]  6321
[  267.622837]  ? trace_hardirqs_off+0xb8/0x300
[  267.627670]  6321
[  267.629757]  ? trace_hardirqs_off+0xb8/0x300
[  267.633890] Node 0 
[  267.635979]  __alloc_pages_slowpath+0x2667/0x2d80
[  267.640400] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  267.642503]  ? warn_alloc+0x120/0x120
[  267.646872] lowmem_reserve[]: 0
[  267.649130]  ? trace_hardirqs_on+0x310/0x310
[  267.653970]  0
[  267.680959]  ? warn_alloc+0x120/0x120
[  267.684753]  3503
[  267.688114]  ? print_usage_bug+0xc0/0xc0
[  267.692517]  3503
[  267.694395]  ? warn_alloc+0x120/0x120
[  267.698189] Node 0 
[  267.700265]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  267.704339] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  267.706388]  ? print_usage_bug+0xc0/0xc0
[  267.710176] lowmem_reserve[]: 0
[  267.712436]  ? __lock_acquire+0x7ec/0x4ec0
[  267.717492]  0 0
[  267.745889]  ? __lock_acquire+0x7ec/0x4ec0
[  267.749946]  0
[  267.753238]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.757497] Node 0 
[  267.759509]  ? should_fail+0x22d/0xd01
[  267.763734] DMA: 
[  267.765556]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.771171] 1*4kB 
[  267.773566]  ? __lock_acquire+0x7ec/0x4ec0
[  267.777561] (U) 
[  267.779640]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.784875] 0*8kB 0*16kB 
[  267.787052]  ? __lock_acquire+0x7ec/0x4ec0
[  267.791282] 1*32kB 
[  267.793271]  ? should_fail+0x22d/0xd01
[  267.798369] (U) 
[  267.801142]  ? print_usage_bug+0xc0/0xc0
[  267.805483] 2*64kB 
[  267.807745]  ? mark_held_locks+0x130/0x130
[  267.811608] (U) 1*128kB 
[  267.813951]  ? mark_held_locks+0x130/0x130
[  267.817998] (U) 1*256kB 
[  267.820262]  ? graph_lock+0x170/0x170
[  267.824509] (U) 0*512kB 
[  267.827289]  ? print_usage_bug+0xc0/0xc0
[  267.831511] 1*1024kB (U) 
[  267.834208]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  267.838059] 1*2048kB (M) 
[  267.841000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.845055] 3*4096kB 
[  267.847913]  ? check_preemption_disabled+0x48/0x200
[  267.852663] (M) = 15908kB
[  267.855564]  ? check_preemption_disabled+0x48/0x200
[  267.861092] Node 0 
[  267.863534]  ? __lock_is_held+0xb5/0x140
[  267.868529] DMA32: 2*4kB 
[  267.871310]  __alloc_pages_nodemask+0xa80/0xde0
[  267.876392] (M) 1*8kB 
[  267.878649]  ? graph_lock+0x170/0x170
[  267.882696] (U) 3*16kB 
[  267.885500]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  267.890330] (M) 1*32kB 
[  267.892855]  ? graph_lock+0x170/0x170
[  267.896648] (M) 
[  267.899247]  ? find_held_lock+0x36/0x1c0
[  267.904253] 3*64kB (UM) 
[  267.906866]  ? ____cache_alloc_node+0x1c7/0x1e0
[  267.911428] 3*128kB (M) 
[  267.913480]  ? lock_downgrade+0x900/0x900
[  267.917529] 3*256kB (UM) 
[  267.920233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.924903] 4*512kB 
[  267.927589]  cache_grow_begin+0x91/0x8c0
[  267.931729] (UM) 
[  267.934517]  ? do_raw_spin_unlock+0xa7/0x2f0
[  267.940044] 3*1024kB 
[  267.942384]  fallback_alloc+0x203/0x2e0
[  267.946433] (M) 
[  267.948591]  ____cache_alloc_node+0x1c7/0x1e0
[  267.952985] 1*2048kB (U) 
[  267.955423]  kmem_cache_alloc_node+0xe3/0x730
[  267.959377] 4*4096kB (M) 
[  267.961383]  ? ipv6_get_ifaddr+0x42e/0x620
[  267.965857] = 24992kB
[  267.968624]  __alloc_skb+0x119/0x770
[  267.973101] Node 0 
[  267.975869]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  267.980077] Normal: 882*4kB 
[  267.982504]  ? skb_scrub_packet+0x490/0x490
[  267.986202] (UME) 
[  267.988443]  ? lock_downgrade+0x900/0x900
[  267.993715] 426*8kB 
[  267.996755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.001060] (MEH) 
[  268.003216]  ? refcount_sub_and_test_checked+0x203/0x310
[  268.007345] 175*16kB 
[  268.009682]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  268.015205] (UME) 
[  268.017352]  ? addrconf_rs_timer+0x6f0/0x6f0
[  268.022778] 71*32kB 
[  268.025217]  ndisc_alloc_skb+0x144/0x340
[  268.030635] (UMEH) 
[  268.032786]  ndisc_send_rs+0x331/0x6e0
[  268.037171] 10*64kB 
[  268.039494]  addrconf_rs_timer+0x3c0/0x6f0
[  268.043529] (UMH) 
[  268.045782]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.049643] 2*128kB 
[  268.051973]  call_timer_fn+0x272/0x920
[  268.056178] (H) 
[  268.058326]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.062536] 0*256kB 2*512kB 
[  268.064864]  ? process_timeout+0x40/0x40
[  268.068727] (UH) 
[  268.070708]  ? find_held_lock+0x36/0x1c0
[  268.074923] 0*1024kB 
[  268.077944]  ? __run_timers+0x7da/0xc70
[  268.081978] 0*2048kB 
[  268.084037]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.088075] 0*4096kB 
[  268.090495]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.094442] = 13928kB
[  268.094466] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  268.096861]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.101337] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  268.103734]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  268.108231] 412 total pagecache pages
[  268.110674]  ? trace_hardirqs_on+0xbd/0x310
[  268.119493] 0 pages in swap cache
[  268.123716]  ? kasan_check_read+0x11/0x20
[  268.132278] Swap cache stats: add 0, delete 0, find 0/0
[  268.136852]  ? __run_timers+0x7da/0xc70
[  268.140629] Free swap  = 0kB
[  268.144963]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  268.148391] Total swap = 0kB
[  268.152545]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.157883] 1965979 pages RAM
[  268.161848]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.164842] 0 pages HighMem/MovableOnly
[  268.170293]  __run_timers+0x7e5/0xc70
[  268.173289] 342744 pages reserved
[  268.177522]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  268.180598] 0 pages cma reserved
[  268.184824]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  268.188844] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  268.192564]  ? graph_lock+0x170/0x170
[  268.196095] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  268.201367]  ? enqueue_hrtimer+0x1a5/0x560
[  268.204710] syz-fuzzer cpuset=
[  268.209719]  ? lock_release+0x970/0x970
[  268.216184] /
[  268.219974]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  268.230177]  mems_allowed=0
[  268.234402]  ? find_held_lock+0x36/0x1c0
[  268.255377]  ? graph_lock+0x170/0x170
[  268.259190]  ? pvclock_read_flags+0x160/0x160
[  268.263685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.269226]  ? check_preemption_disabled+0x48/0x200
[  268.274257]  ? __lock_is_held+0xb5/0x140
[  268.278335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.283881]  ? check_preemption_disabled+0x48/0x200
[  268.288903]  run_timer_softirq+0x52/0xb0
[  268.292962]  ? rcu_read_lock_sched_held+0x108/0x120
[  268.297978]  __do_softirq+0x30b/0xad8
[  268.301785]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  268.306895]  ? pvclock_read_flags+0x160/0x160
[  268.311390]  ? lapic_next_event+0x5a/0x90
[  268.315537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.321090]  ? check_preemption_disabled+0x48/0x200
[  268.326105]  ? check_preemption_disabled+0x48/0x200
[  268.331122]  ? kvm_clock_read+0x18/0x30
[  268.335096]  ? kvm_sched_clock_read+0x9/0x20
[  268.339504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.345038]  ? check_preemption_disabled+0x48/0x200
[  268.350064]  irq_exit+0x17f/0x1c0
[  268.353517]  smp_apic_timer_interrupt+0x1cb/0x760
[  268.358471]  ? smp_reschedule_interrupt+0x109/0x650
[  268.363505]  ? smp_call_function_single_interrupt+0x650/0x650
[  268.369398]  ? interrupt_entry+0xb5/0xf0
[  268.373462]  ? trace_hardirqs_off_caller+0xbb/0x300
[  268.378475]  ? trace_hardirqs_off_caller+0xbb/0x300
[  268.383490]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.388334]  ? trace_hardirqs_off+0x300/0x300
[  268.392828]  ? trace_hardirqs_off+0x300/0x300
[  268.397326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.402903]  ? check_preemption_disabled+0x48/0x200
[  268.407929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.413487]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.418339]  apic_timer_interrupt+0xf/0x20
[  268.422575]  </IRQ>
[  268.424813] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  268.429747] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  268.448669] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  268.456408] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  268.463685] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  268.470955] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  268.478216] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  268.485659] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  268.492986]  skb_clone+0x1bb/0x500
[  268.496535]  ? finish_task_switch+0x2f5/0x900
[  268.501026]  ? skb_split+0x11e0/0x11e0
[  268.504912]  ? preempt_notifier_register+0x200/0x200
[  268.510016]  ? __switch_to_asm+0x34/0x70
[  268.514088]  ? __switch_to_asm+0x34/0x70
[  268.518153]  ? __switch_to_asm+0x40/0x70
[  268.522237]  ? __switch_to_asm+0x34/0x70
[  268.526297]  ? __switch_to_asm+0x40/0x70
[  268.530367]  ? __switch_to_asm+0x34/0x70
[  268.534422]  ? __switch_to_asm+0x40/0x70
[  268.538493]  ? __switch_to_asm+0x34/0x70
[  268.542548]  ? __switch_to_asm+0x34/0x70
[  268.546604]  ? __switch_to_asm+0x40/0x70
[  268.550657]  ? __switch_to_asm+0x34/0x70
[  268.554724]  bpf_clone_redirect+0xb9/0x490
[  268.558978]  ? __schedule+0x874/0x1ed0
[  268.562871]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  268.567889]  ? __sched_text_start+0x8/0x8
[  268.572039]  ? lockdep_hardirqs_on+0x421/0x5c0
[  268.576633]  ? retint_kernel+0x2d/0x2d
[  268.580518]  ? trace_hardirqs_on_caller+0xc0/0x300
[  268.585453]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  268.590213]  ? find_held_lock+0x36/0x1c0
[  268.594281]  ? lock_acquire+0x1ed/0x520
[  268.598265]  ? bpf_test_run+0x32e/0x5a0
[  268.602269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.607810]  ? check_preemption_disabled+0x48/0x200
[  268.612829]  ? kasan_check_read+0x11/0x20
[  268.616978]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  268.622254]  ? rcu_bh_qs+0xc0/0xc0
[  268.625800]  ? preempt_schedule+0x4d/0x60
[  268.629949]  ? ___preempt_schedule+0x16/0x18
[  268.634363]  ? bpf_test_run+0x1c0/0x5a0
[  268.638342]  ? netlink_diag_dump+0x2a0/0x2a0
[  268.642760]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.648312]  ? bpf_test_init.isra.9+0x70/0x100
[  268.652902]  ? bpf_prog_test_run_skb+0x634/0xb40
[  268.657682]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  268.662538]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  268.668076]  ? fput+0x130/0x1a0
[  268.671360]  ? __bpf_prog_get+0x9b/0x290
[  268.675424]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  268.680274]  ? bpf_prog_test_run+0x130/0x1a0
[  268.684691]  ? __x64_sys_bpf+0x3d8/0x510
[  268.688758]  ? bpf_prog_get+0x20/0x20
[  268.692568]  ? ksys_ioctl+0x81/0xd0
[  268.696205]  ? do_syscall_64+0x1b9/0x820
[  268.700267]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  268.705647]  ? syscall_return_slowpath+0x5e0/0x5e0
[  268.710761]  ? trace_hardirqs_off+0x300/0x300
[  268.715258]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  268.720275]  ? recalc_sigpending_tsk+0x180/0x180
[  268.725057]  ? kasan_check_write+0x14/0x20
[  268.729299]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.734350]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  268.739746] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  268.739840] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  268.746678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  268.746684] Call Trace:
[  268.746692]  <IRQ>
[  268.746709]  dump_stack+0x1c4/0x2b4
[  268.746731]  ? dump_stack_print_info.cold.2+0x52/0x52
[  268.753275] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  268.762576]  warn_alloc.cold.118+0xb7/0x1bd
[  268.765130] syz-executor4 cpuset=
[  268.767288]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  268.770890] syz4
[  268.776076]  ? lock_downgrade+0x900/0x900
[  268.786540]  mems_allowed=0
[  268.790855]  ? trace_hardirqs_off+0xb8/0x300
[  268.812561]  ? trace_hardirqs_off+0xb8/0x300
[  268.816978]  __alloc_pages_slowpath+0x2667/0x2d80
[  268.821879]  ? warn_alloc+0x120/0x120
[  268.825678]  ? trace_hardirqs_on+0x310/0x310
[  268.830084]  ? warn_alloc+0x120/0x120
[  268.833901]  ? print_usage_bug+0xc0/0xc0
[  268.837974]  ? warn_alloc+0x120/0x120
[  268.841770]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  268.846797]  ? print_usage_bug+0xc0/0xc0
[  268.850858]  ? __lock_acquire+0x7ec/0x4ec0
[  268.855102]  ? __lock_acquire+0x7ec/0x4ec0
[  268.859336]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.864871]  ? should_fail+0x22d/0xd01
[  268.868761]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.873862]  ? __lock_acquire+0x7ec/0x4ec0
[  268.878109]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.883260]  ? __lock_acquire+0x7ec/0x4ec0
[  268.887492]  ? should_fail+0x22d/0xd01
[  268.891385]  ? print_usage_bug+0xc0/0xc0
[  268.895457]  ? mark_held_locks+0x130/0x130
[  268.899707]  ? mark_held_locks+0x130/0x130
[  268.903948]  ? graph_lock+0x170/0x170
[  268.907750]  ? print_usage_bug+0xc0/0xc0
[  268.911815]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  268.916577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.922131]  ? check_preemption_disabled+0x48/0x200
[  268.927171]  ? check_preemption_disabled+0x48/0x200
[  268.932196]  ? __lock_is_held+0xb5/0x140
[  268.936273]  __alloc_pages_nodemask+0xa80/0xde0
[  268.940945]  ? graph_lock+0x170/0x170
[  268.944748]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  268.949769]  ? graph_lock+0x170/0x170
[  268.953580]  ? find_held_lock+0x36/0x1c0
[  268.957654]  ? ____cache_alloc_node+0x1c7/0x1e0
[  268.962321]  ? lock_downgrade+0x900/0x900
[  268.966479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.972025]  cache_grow_begin+0x91/0x8c0
[  268.976088]  ? do_raw_spin_unlock+0xa7/0x2f0
[  268.980515]  fallback_alloc+0x203/0x2e0
[  268.984521]  ____cache_alloc_node+0x1c7/0x1e0
[  268.989015]  kmem_cache_alloc_node+0xe3/0x730
[  268.993511]  ? ipv6_get_ifaddr+0x42e/0x620
[  268.997753]  __alloc_skb+0x119/0x770
[  269.001503]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  269.006785]  ? skb_scrub_packet+0x490/0x490
[  269.011107]  ? lock_downgrade+0x900/0x900
[  269.015266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.020805]  ? refcount_sub_and_test_checked+0x203/0x310
[  269.026282]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  269.031764]  ? addrconf_rs_timer+0x6f0/0x6f0
[  269.036198]  ndisc_alloc_skb+0x144/0x340
[  269.040265]  ndisc_send_rs+0x331/0x6e0
[  269.044160]  addrconf_rs_timer+0x3c0/0x6f0
[  269.048404]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.052660]  call_timer_fn+0x272/0x920
[  269.056547]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.060797]  ? process_timeout+0x40/0x40
[  269.064859]  ? find_held_lock+0x36/0x1c0
[  269.068928]  ? mark_held_locks+0xc7/0x130
[  269.073080]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.077576]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.082069]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.086301]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  269.090911]  ? trace_hardirqs_on+0xbd/0x310
[  269.095243]  ? kasan_check_read+0x11/0x20
[  269.099395]  ? __run_timers+0x7da/0xc70
[  269.103380]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  269.108838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.113078]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.117326]  __run_timers+0x7e5/0xc70
[  269.121140]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  269.126519]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  269.131532]  ? graph_lock+0x170/0x170
[  269.135332]  ? print_usage_bug+0xc0/0xc0
[  269.139385]  ? lock_release+0x970/0x970
[  269.143358]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  269.148568]  ? find_held_lock+0x36/0x1c0
[  269.152647]  ? graph_lock+0x170/0x170
[  269.156470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.162037]  ? check_preemption_disabled+0x48/0x200
[  269.167066]  ? __lock_is_held+0xb5/0x140
[  269.171130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.176683]  ? check_preemption_disabled+0x48/0x200
[  269.181974]  run_timer_softirq+0x52/0xb0
[  269.186034]  ? rcu_read_lock_sched_held+0x108/0x120
[  269.191077]  __do_softirq+0x30b/0xad8
[  269.194912]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  269.200022]  ? pvclock_read_flags+0x160/0x160
[  269.204517]  ? lapic_next_event+0x5a/0x90
[  269.208668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.214211]  ? check_preemption_disabled+0x48/0x200
[  269.219232]  ? check_preemption_disabled+0x48/0x200
[  269.224278]  ? kvm_clock_read+0x18/0x30
[  269.228257]  ? kvm_sched_clock_read+0x9/0x20
[  269.232670]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.238213]  ? check_preemption_disabled+0x48/0x200
[  269.243252]  irq_exit+0x17f/0x1c0
[  269.246711]  smp_apic_timer_interrupt+0x1cb/0x760
[  269.251556]  ? smp_reschedule_interrupt+0x109/0x650
[  269.256586]  ? smp_call_function_single_interrupt+0x650/0x650
[  269.262497]  ? interrupt_entry+0xb5/0xf0
[  269.266566]  ? trace_hardirqs_off_caller+0xbb/0x300
[  269.271579]  ? trace_hardirqs_off_caller+0xbb/0x300
[  269.276604]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.281442]  ? trace_hardirqs_off+0x300/0x300
[  269.285939]  ? trace_hardirqs_off+0x300/0x300
[  269.290439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.295999]  ? check_preemption_disabled+0x48/0x200
[  269.301013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.306559]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.311440]  apic_timer_interrupt+0xf/0x20
[  269.315707]  </IRQ>
[  269.317947] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  269.323254] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  269.342157] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  269.349871] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  269.357139] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  269.364405] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  269.371671] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  269.378939] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  269.386246]  ? arch_local_irq_restore+0x45/0x52
[  269.390930]  dump_stack+0x26a/0x2b4
[  269.394566]  ? dump_stack_print_info.cold.2+0x52/0x52
[  269.399764]  ? mark_held_locks+0x130/0x130
[  269.404001]  ? mark_held_locks+0x130/0x130
[  269.408263]  dump_header+0x27b/0xf72
[  269.412003]  ? pagefault_out_of_memory+0x197/0x197
[  269.416945]  ? mark_held_locks+0x130/0x130
[  269.421182]  ? __lock_acquire+0x7ec/0x4ec0
[  269.425421]  ? mem_cgroup_charge_statistics+0x780/0x780
[  269.430789]  ? print_usage_bug+0xc0/0xc0
[  269.434851]  ? print_usage_bug+0xc0/0xc0
[  269.438920]  ? graph_lock+0x170/0x170
[  269.442720]  ? graph_lock+0x170/0x170
[  269.446525]  ? print_usage_bug+0xc0/0xc0
[  269.450585]  ? print_usage_bug+0xc0/0xc0
[  269.454659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.460209]  ? find_held_lock+0x36/0x1c0
[  269.464295]  ? mark_held_locks+0xc7/0x130
[  269.468457]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  269.473575]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  269.478718]  ? lockdep_hardirqs_on+0x421/0x5c0
[  269.483321]  ? trace_hardirqs_on+0xbd/0x310
[  269.487644]  ? kasan_check_read+0x11/0x20
[  269.491888]  ? ___ratelimit+0x36f/0x655
[  269.495866]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  269.501318]  ? trace_hardirqs_on+0x310/0x310
[  269.505729]  ? lock_downgrade+0x900/0x900
[  269.509901]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  269.515012]  ? ___ratelimit+0xaa/0x655
[  269.518904]  ? idr_get_free+0xec0/0xec0
[  269.522907]  ? kasan_check_write+0x14/0x20
[  269.527161]  ? do_raw_spin_lock+0xc1/0x200
[  269.531437]  oom_kill_process.cold.27+0x10/0x903
[  269.536210]  ? graph_lock+0x170/0x170
[  269.540017]  ? _raw_spin_unlock+0x2c/0x50
[  269.544166]  ? oom_badness+0xe6/0xaa0
[  269.547976]  ? oom_evaluate_task+0x540/0x540
[  269.552397]  ? find_held_lock+0x36/0x1c0
[  269.556475]  ? out_of_memory+0x974/0x14c0
[  269.560628]  ? lock_downgrade+0x900/0x900
[  269.564782]  ? check_preemption_disabled+0x48/0x200
[  269.569833]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  269.575658]  ? kasan_check_read+0x11/0x20
[  269.579814]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  269.585281]  ? rcu_bh_qs+0xc0/0xc0
[  269.588827]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  269.593848]  ? oom_evaluate_task+0x302/0x540
[  269.598266]  out_of_memory+0xa86/0x14c0
[  269.602258]  ? oom_killer_disable+0x3a0/0x3a0
[  269.606758]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  269.611696]  ? __mutex_add_waiter+0x2a0/0x2a0
[  269.616206]  __alloc_pages_slowpath+0x2318/0x2d80
[  269.621110]  ? warn_alloc+0x120/0x120
[  269.624915]  ? __radix_tree_lookup+0x4c0/0x4c0
[  269.629511]  ? find_get_entry+0x2f2/0xc40
[  269.633688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.639239]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  269.644177]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.649743]  ? should_fail+0x22d/0xd01
[  269.653639]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.658746]  ? __lock_is_held+0xb5/0x140
[  269.662837]  ? __lock_is_held+0xb5/0x140
[  269.666909]  ? find_held_lock+0x36/0x1c0
[  269.671000]  ? ___might_sleep+0x1ed/0x300
[  269.675164]  ? lock_release+0x970/0x970
[  269.679194]  ? arch_local_save_flags+0x40/0x40
[  269.683809]  ? __might_sleep+0x95/0x190
[  269.687795]  __alloc_pages_nodemask+0xa80/0xde0
[  269.692487]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  269.697514]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  269.703317]  ? kasan_check_read+0x11/0x20
[  269.707489]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  269.712771]  ? graph_lock+0x170/0x170
[  269.716573]  ? print_usage_bug+0xc0/0xc0
[  269.720637]  ? graph_lock+0x170/0x170
[  269.724453]  ? graph_lock+0x170/0x170
[  269.728270]  ? __do_page_cache_readahead+0x7ce/0x980
[  269.733388]  ? find_held_lock+0x36/0x1c0
[  269.737473]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  269.743020]  alloc_pages_current+0x10c/0x210
[  269.747454]  ? lock_downgrade+0x900/0x900
[  269.751650]  __page_cache_alloc+0x38f/0x5b0
[  269.755979]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  269.761783]  ? kasan_check_read+0x11/0x20
[  269.765936]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  269.771218]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  269.775897]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.781453]  ? check_preemption_disabled+0x48/0x200
[  269.786500]  filemap_fault+0x1594/0x25f0
[  269.790586]  ? __lock_page_or_retry+0xa00/0xa00
[  269.795264]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  269.801070]  ? kasan_check_read+0x11/0x20
[  269.805223]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  269.810511]  ? rcu_bh_qs+0xc0/0xc0
[  269.814059]  ? print_usage_bug+0xc0/0xc0
[  269.818131]  ? filemap_map_pages+0xdea/0x1980
[  269.822634]  ? print_usage_bug+0xc0/0xc0
[  269.826712]  ? find_get_pages_range_tag+0x1320/0x1320
[  269.831906]  ? print_usage_bug+0xc0/0xc0
[  269.835976]  ? __lock_acquire+0x7ec/0x4ec0
[  269.840749]  ? graph_lock+0x170/0x170
[  269.844555]  ? __sigqueue_free.part.27+0x7d/0xa0
[  269.849331]  ? __lock_acquire+0x7ec/0x4ec0
[  269.853579]  ? lock_acquire+0x1ed/0x520
[  269.857556]  ? ext4_filemap_fault+0x7a/0xad
[  269.861887]  ? lock_release+0x970/0x970
[  269.865878]  ? arch_local_save_flags+0x40/0x40
[  269.870469]  ? mark_held_locks+0x130/0x130
[  269.874730]  ? down_read+0xb0/0x1d0
[  269.878360]  ? ext4_filemap_fault+0x7a/0xad
[  269.882685]  ? __down_interruptible+0x700/0x700
[  269.887360]  ? graph_lock+0x170/0x170
[  269.891166]  ? __sigqueue_free.part.27+0x7d/0xa0
[  269.895944]  ext4_filemap_fault+0x82/0xad
[  269.900101]  __do_fault+0x100/0x6b0
[  269.903735]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  269.909017]  ? print_bad_pte+0x6c0/0x6c0
[  269.913086]  ? pmd_val+0x88/0x100
[  269.916547]  ? add_mm_counter_fast+0xd0/0xd0
[  269.920955]  ? pmd_val+0x88/0x100
[  269.924409]  ? add_mm_counter_fast+0xd0/0xd0
[  269.928854]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.934400]  __handle_mm_fault+0x3709/0x53e0
[  269.938823]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  269.943669]  ? graph_lock+0x170/0x170
[  269.947479]  ? print_usage_bug+0xc0/0xc0
[  269.951543]  ? graph_lock+0x170/0x170
[  269.955377]  ? graph_lock+0x170/0x170
[  269.959219]  ? handle_mm_fault+0x42a/0xc70
[  269.963463]  ? lock_downgrade+0x900/0x900
[  269.967619]  ? check_preemption_disabled+0x48/0x200
[  269.972642]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  269.978452]  ? kasan_check_read+0x11/0x20
[  269.982618]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  269.987897]  ? rcu_bh_qs+0xc0/0xc0
[  269.991437]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  269.996908]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.002457]  ? check_preemption_disabled+0x48/0x200
[  270.007495]  handle_mm_fault+0x54f/0xc70
[  270.011578]  ? __handle_mm_fault+0x53e0/0x53e0
[  270.016168]  ? find_vma+0x34/0x190
[  270.019718]  __do_page_fault+0x67d/0xed0
[  270.023821]  ? mm_fault_error+0x380/0x380
[  270.027976]  ? syscall_slow_exit_work+0x520/0x520
[  270.032824]  do_page_fault+0xf2/0x7e0
[  270.036656]  ? vmalloc_sync_all+0x30/0x30
[  270.040808]  ? error_entry+0x70/0xd0
[  270.044530]  ? trace_hardirqs_off_caller+0xbb/0x300
[  270.049546]  ? trace_hardirqs_on_caller+0xc0/0x300
[  270.054480]  ? syscall_return_slowpath+0x5e0/0x5e0
[  270.059437]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.064292]  ? trace_hardirqs_off+0x300/0x300
[  270.068789]  ? trace_hardirqs_off_caller+0x300/0x300
[  270.073900]  ? prepare_exit_to_usermode+0x291/0x3b0
[  270.078924]  ? page_fault+0x8/0x30
[  270.082484]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.087336]  ? page_fault+0x8/0x30
[  270.090879]  page_fault+0x1e/0x30
[  270.094346] RIP: 0033:0x45db60
[  270.097546] Code: Bad RIP value.
[  270.100908] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  270.106273] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  270.113542] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  270.120809] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  270.128075] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  270.135341] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  270.142647] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  270.142653] warn_alloc_show_mem: 1 callbacks suppressed
[  270.142660] Mem-Info:
[  270.149865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  270.155267] active_anon:41581 inactive_anon:372 isolated_anon:0
[  270.155267]  active_file:17 inactive_file:16 isolated_file:0
[  270.155267]  unevictable:0 dirty:0 writeback:0 unstable:0
[  270.155267]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  270.155267]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  270.155267]  free:13699 free_pcp:281 free_cma:0
[  270.157637] Call Trace:
[  270.167029] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  270.199875]  <IRQ>
[  270.202457] Node 0 
[  270.230045]  dump_stack+0x1c4/0x2b4
[  270.232195] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  270.234406]  ? dump_stack_print_info.cold.2+0x52/0x52
[  270.238013] lowmem_reserve[]:
[  270.263524]  warn_alloc.cold.118+0xb7/0x1bd
[  270.268686]  0
[  270.271797]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  270.276097]  2817
[  270.277899]  ? lock_downgrade+0x900/0x900
[  270.282714]  6321 6321
[  270.284803]  ? trace_hardirqs_off+0xb8/0x300
[  270.288927] Node 0 
[  270.291428]  ? trace_hardirqs_off+0xb8/0x300
[  270.295863] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  270.298079]  __alloc_pages_slowpath+0x2667/0x2d80
[  270.302460] lowmem_reserve[]:
[  270.329471]  ? warn_alloc+0x120/0x120
[  270.334284]  0
[  270.337389]  ? warn_alloc+0x120/0x120
[  270.341168]  0
[  270.342968]  ? print_usage_bug+0xc0/0xc0
[  270.346736]  3503 3503
[  270.348547]  ? warn_alloc+0x120/0x120
[  270.355081]  ? print_usage_bug+0xc0/0xc0
[  270.358858] Node 0 
[  270.362913]  ? __lock_acquire+0x7ec/0x4ec0
[  270.362945] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  270.362952] lowmem_reserve[]:
[  270.365216]  ? __lock_acquire+0x7ec/0x4ec0
[  270.369449]  0 0
[  270.397834]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.400919]  0
[  270.405168]  ? should_fail+0x22d/0xd01
[  270.407118]  0
[  270.412652]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.418331]  ? __lock_acquire+0x7ec/0x4ec0
[  270.420114] Node 0 
[  270.425230]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.429457] DMA: 
[  270.431698]  ? __lock_acquire+0x7ec/0x4ec0
[  270.436807] 1*4kB 
[  270.438885]  ? should_fail+0x22d/0xd01
[  270.443118] (U) 
[  270.445279]  ? mark_held_locks+0x130/0x130
[  270.449126] 0*8kB 0*16kB 
[  270.451114]  ? mark_held_locks+0x130/0x130
[  270.455327] 1*32kB 
[  270.458079]  ? graph_lock+0x170/0x170
[  270.462293] (U) 
[  270.464525]  ? graph_lock+0x170/0x170
[  270.468303] 2*64kB 
[  270.470286]  ? graph_lock+0x170/0x170
[  270.474056] (U) 
[  270.476294]  ? print_usage_bug+0xc0/0xc0
[  270.480076] 1*128kB 
[  270.482227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.486266] (U) 
[  270.488591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.494117] 1*256kB 
[  270.496111]  ? check_preemption_disabled+0x48/0x200
[  270.501623] (U) 
[  270.503956]  ? check_preemption_disabled+0x48/0x200
[  270.508959] 0*512kB 
[  270.510936]  ? __lock_is_held+0xb5/0x140
[  270.515922] 1*1024kB 
[  270.518257]  __alloc_pages_nodemask+0xa80/0xde0
[  270.522292] (U) 
[  270.524699]  ? graph_lock+0x170/0x170
[  270.529347] 1*2048kB 
[  270.531331]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  270.535106] (M) 
[  270.537513]  ? graph_lock+0x170/0x170
[  270.542507] 3*4096kB 
[  270.544484]  ? find_held_lock+0x36/0x1c0
[  270.548255] (M) 
[  270.550666]  ? ____cache_alloc_node+0x1c7/0x1e0
[  270.554695] = 15908kB
[  270.556666]  ? lock_downgrade+0x900/0x900
[  270.561308] Node 0 
[  270.563717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.567836] DMA32: 
[  270.570074]  cache_grow_begin+0x91/0x8c0
[  270.575587] 2*4kB 
[  270.577817]  ? do_raw_spin_unlock+0xa7/0x2f0
[  270.581847] (M) 
[  270.584002]  fallback_alloc+0x203/0x2e0
[  270.588382] 1*8kB 
[  270.590381]  ____cache_alloc_node+0x1c7/0x1e0
[  270.594329] (U) 
[  270.596481]  kmem_cache_alloc_node+0xe3/0x730
[  270.600948] 3*16kB 
[  270.602920]  ? ipv6_get_ifaddr+0x42e/0x620
[  270.607386] (M) 
[  270.609624]  __alloc_skb+0x119/0x770
[  270.613824] 1*32kB (M) 
[  270.615825]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  270.619526] 3*64kB 
[  270.622119]  ? skb_scrub_packet+0x490/0x490
[  270.627374] (UM) 
[  270.629605]  ? lock_downgrade+0x900/0x900
[  270.633902] 3*128kB 
[  270.635979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.640112] (M) 
[  270.642463]  ? refcount_sub_and_test_checked+0x203/0x310
[  270.647961] 3*256kB (UM) 
[  270.649960]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  270.655397] 4*512kB 
[  270.658154]  ? addrconf_rs_timer+0x6f0/0x6f0
[  270.663578] (UM) 
[  270.665918]  ndisc_alloc_skb+0x144/0x340
[  270.670309] 3*1024kB 
[  270.672382]  ndisc_send_rs+0x331/0x6e0
[  270.676418] (M) 
[  270.678835]  addrconf_rs_timer+0x3c0/0x6f0
[  270.682691] 1*2048kB (U) 
[  270.684715]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.688918] 4*4096kB (M) 
[  270.691690]  call_timer_fn+0x272/0x920
[  270.695886] = 24992kB
[  270.695894] Node 0 
[  270.698668]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.702525] Normal: 882*4kB 
[  270.704945]  ? process_timeout+0x40/0x40
[  270.707174] (UME) 
[  270.711401]  ? find_held_lock+0x36/0x1c0
[  270.714407] 426*8kB 
[  270.718474]  ? __run_timers+0x7da/0xc70
[  270.720595] (MEH) 
[  270.724652]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.726948] 175*16kB (UME) 
[  270.730926]  ? _raw_spin_unlock_irq+0x27/0x80
[  270.733249] 71*32kB (UMEH) 
[  270.737772]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.740696] 10*64kB 
[  270.745203]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  270.748111] (UMH) 
[  270.752348]  ? trace_hardirqs_on+0xbd/0x310
[  270.754661] 2*128kB 
[  270.759268]  ? kasan_check_read+0x11/0x20
[  270.761394] (H) 0*256kB 
[  270.765723]  ? __run_timers+0x7da/0xc70
[  270.768024] 2*512kB 
[  270.772166]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  270.774815] (UH) 
[  270.778794]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.781096] 0*1024kB 
[  270.786633]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  270.788672] 0*2048kB 
[  270.792902]  __run_timers+0x7e5/0xc70
[  270.795292] 0*4096kB 
[  270.799532]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  270.801944] = 13928kB
[  270.805750]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  270.808141] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  270.813492]  ? graph_lock+0x170/0x170
[  270.815914] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  270.820935]  ? enqueue_hrtimer+0x1a5/0x560
[  270.829767] 412 total pagecache pages
[  270.833566]  ? lock_release+0x970/0x970
[  270.842132] 0 pages in swap cache
[  270.846351]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  270.850151] Swap cache stats: add 0, delete 0, find 0/0
[  270.854123]  ? find_held_lock+0x36/0x1c0
[  270.857565] Free swap  = 0kB
[  270.862754]  ? graph_lock+0x170/0x170
[  270.868088] Total swap = 0kB
[  270.872145]  ? pvclock_read_flags+0x160/0x160
[  270.875143] 1965979 pages RAM
[  270.879487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.882499] 0 pages HighMem/MovableOnly
[  270.887002]  ? check_preemption_disabled+0x48/0x200
[  270.890079] 342744 pages reserved
[  270.895614]  ? __lock_is_held+0xb5/0x140
[  270.899559] 0 pages cma reserved
[  270.904577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.908079] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  270.912072]  ? check_preemption_disabled+0x48/0x200
[  270.915526] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  270.921001]  run_timer_softirq+0x52/0xb0
[  270.927497] syz-fuzzer cpuset=
[  270.932510]  ? rcu_read_lock_sched_held+0x108/0x120
[  270.942723] /
[  270.946794]  __do_softirq+0x30b/0xad8
[  270.949969]  mems_allowed=0
[  270.954985]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  270.968482]  ? pvclock_read_flags+0x160/0x160
[  270.972978]  ? lapic_next_event+0x5a/0x90
[  270.977128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.982667]  ? check_preemption_disabled+0x48/0x200
[  270.987679]  ? check_preemption_disabled+0x48/0x200
[  270.992698]  ? kvm_clock_read+0x18/0x30
[  270.996669]  ? kvm_sched_clock_read+0x9/0x20
[  271.001075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.006613]  ? check_preemption_disabled+0x48/0x200
[  271.011645]  irq_exit+0x17f/0x1c0
[  271.015099]  smp_apic_timer_interrupt+0x1cb/0x760
[  271.019943]  ? smp_reschedule_interrupt+0x109/0x650
[  271.024973]  ? smp_call_function_single_interrupt+0x650/0x650
[  271.030857]  ? interrupt_entry+0xb5/0xf0
[  271.034919]  ? trace_hardirqs_off_caller+0xbb/0x300
[  271.039935]  ? trace_hardirqs_off_caller+0xbb/0x300
[  271.044952]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.049791]  ? trace_hardirqs_off+0x300/0x300
[  271.054296]  ? trace_hardirqs_off+0x300/0x300
[  271.058796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.064333]  ? check_preemption_disabled+0x48/0x200
[  271.069359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.074899]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.079754]  apic_timer_interrupt+0xf/0x20
[  271.083977]  </IRQ>
[  271.086221] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  271.091151] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  271.110046] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  271.117782] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  271.125056] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  271.132319] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  271.139583] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  271.146849] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  271.154171]  skb_clone+0x1bb/0x500
[  271.157713]  ? finish_task_switch+0x2f5/0x900
[  271.162212]  ? skb_split+0x11e0/0x11e0
[  271.166120]  ? preempt_notifier_register+0x200/0x200
[  271.171225]  ? __switch_to_asm+0x34/0x70
[  271.175285]  ? __switch_to_asm+0x34/0x70
[  271.179354]  ? __switch_to_asm+0x40/0x70
[  271.183409]  ? __switch_to_asm+0x34/0x70
[  271.187484]  ? __switch_to_asm+0x40/0x70
[  271.191544]  ? __switch_to_asm+0x34/0x70
[  271.195601]  ? __switch_to_asm+0x40/0x70
[  271.199655]  ? __switch_to_asm+0x34/0x70
[  271.203717]  ? __switch_to_asm+0x34/0x70
[  271.207791]  ? __switch_to_asm+0x40/0x70
[  271.211846]  ? __switch_to_asm+0x34/0x70
[  271.215913]  bpf_clone_redirect+0xb9/0x490
[  271.220178]  ? __schedule+0x874/0x1ed0
[  271.224080]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  271.229109]  ? __sched_text_start+0x8/0x8
[  271.233260]  ? lockdep_hardirqs_on+0x421/0x5c0
[  271.237844]  ? retint_kernel+0x2d/0x2d
[  271.241744]  ? trace_hardirqs_on_caller+0xc0/0x300
[  271.246678]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  271.251469]  ? find_held_lock+0x36/0x1c0
[  271.255552]  ? lock_acquire+0x1ed/0x520
[  271.259527]  ? bpf_test_run+0x32e/0x5a0
[  271.263508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.269057]  ? check_preemption_disabled+0x48/0x200
[  271.274084]  ? kasan_check_read+0x11/0x20
[  271.278251]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  271.283541]  ? rcu_bh_qs+0xc0/0xc0
[  271.287087]  ? preempt_schedule+0x4d/0x60
[  271.291241]  ? ___preempt_schedule+0x16/0x18
[  271.295662]  ? bpf_test_run+0x1c0/0x5a0
[  271.299647]  ? netlink_diag_dump+0x2a0/0x2a0
[  271.304077]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.309613]  ? bpf_test_init.isra.9+0x70/0x100
[  271.314200]  ? bpf_prog_test_run_skb+0x634/0xb40
[  271.318963]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  271.323810]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  271.329356]  ? fput+0x130/0x1a0
[  271.332653]  ? __bpf_prog_get+0x9b/0x290
[  271.336718]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  271.341592]  ? bpf_prog_test_run+0x130/0x1a0
[  271.346021]  ? __x64_sys_bpf+0x3d8/0x510
[  271.350081]  ? bpf_prog_get+0x20/0x20
[  271.353890]  ? ksys_ioctl+0x81/0xd0
[  271.357540]  ? do_syscall_64+0x1b9/0x820
[  271.361603]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  271.366969]  ? syscall_return_slowpath+0x5e0/0x5e0
[  271.371940]  ? trace_hardirqs_off+0x300/0x300
[  271.376439]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  271.381492]  ? recalc_sigpending_tsk+0x180/0x180
[  271.386266]  ? kasan_check_write+0x14/0x20
[  271.390510]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.395373]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  271.400765] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  271.400855] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  271.407700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  271.407706] Call Trace:
[  271.407713]  <IRQ>
[  271.407730]  dump_stack+0x1c4/0x2b4
[  271.407747]  ? dump_stack_print_info.cold.2+0x52/0x52
[  271.407775]  warn_alloc.cold.118+0xb7/0x1bd
[  271.414307] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  271.423598]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  271.426160] syz-executor4 cpuset=
[  271.428317]  ? lock_downgrade+0x900/0x900
[  271.431920] syz4
[  271.437113]  ? trace_hardirqs_off+0xb8/0x300
[  271.437133]  ? trace_hardirqs_off+0xb8/0x300
[  271.441475]  mems_allowed=0
[  271.451959]  __alloc_pages_slowpath+0x2667/0x2d80
[  271.482903]  ? warn_alloc+0x120/0x120
[  271.486716]  ? trace_hardirqs_on+0x310/0x310
[  271.491128]  ? warn_alloc+0x120/0x120
[  271.494944]  ? print_usage_bug+0xc0/0xc0
[  271.499006]  ? warn_alloc+0x120/0x120
[  271.502809]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  271.507831]  ? print_usage_bug+0xc0/0xc0
[  271.511896]  ? __lock_acquire+0x7ec/0x4ec0
[  271.516130]  ? __lock_acquire+0x7ec/0x4ec0
[  271.520369]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.525907]  ? should_fail+0x22d/0xd01
[  271.529802]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.534906]  ? __lock_acquire+0x7ec/0x4ec0
[  271.539148]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.544254]  ? __lock_acquire+0x7ec/0x4ec0
[  271.548485]  ? should_fail+0x22d/0xd01
[  271.552368]  ? print_usage_bug+0xc0/0xc0
[  271.556439]  ? mark_held_locks+0x130/0x130
[  271.560704]  ? mark_held_locks+0x130/0x130
[  271.564959]  ? graph_lock+0x170/0x170
[  271.568758]  ? print_usage_bug+0xc0/0xc0
[  271.572815]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  271.577569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.583108]  ? check_preemption_disabled+0x48/0x200
[  271.588122]  ? check_preemption_disabled+0x48/0x200
[  271.593151]  ? __lock_is_held+0xb5/0x140
[  271.597251]  __alloc_pages_nodemask+0xa80/0xde0
[  271.601923]  ? graph_lock+0x170/0x170
[  271.605726]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  271.610739]  ? graph_lock+0x170/0x170
[  271.614552]  ? find_held_lock+0x36/0x1c0
[  271.618626]  ? ____cache_alloc_node+0x1c7/0x1e0
[  271.623300]  ? lock_downgrade+0x900/0x900
[  271.627453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.632998]  cache_grow_begin+0x91/0x8c0
[  271.637062]  ? do_raw_spin_unlock+0xa7/0x2f0
[  271.641484]  fallback_alloc+0x203/0x2e0
[  271.645476]  ____cache_alloc_node+0x1c7/0x1e0
[  271.649979]  kmem_cache_alloc_node+0xe3/0x730
[  271.654479]  ? ipv6_get_ifaddr+0x42e/0x620
[  271.658731]  __alloc_skb+0x119/0x770
[  271.662449]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  271.667729]  ? skb_scrub_packet+0x490/0x490
[  271.672050]  ? lock_downgrade+0x900/0x900
[  271.676213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.681766]  ? refcount_sub_and_test_checked+0x203/0x310
[  271.687222]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  271.692684]  ? addrconf_rs_timer+0x6f0/0x6f0
[  271.697119]  ndisc_alloc_skb+0x144/0x340
[  271.701186]  ndisc_send_rs+0x331/0x6e0
[  271.705091]  addrconf_rs_timer+0x3c0/0x6f0
[  271.709343]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.713588]  call_timer_fn+0x272/0x920
[  271.717491]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.721729]  ? process_timeout+0x40/0x40
[  271.725806]  ? find_held_lock+0x36/0x1c0
[  271.729898]  ? mark_held_locks+0xc7/0x130
[  271.734065]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.738574]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.743083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.747315]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  271.751914]  ? trace_hardirqs_on+0xbd/0x310
[  271.756246]  ? kasan_check_read+0x11/0x20
[  271.760397]  ? __run_timers+0x7da/0xc70
[  271.764369]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  271.769836]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.774086]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.778318]  __run_timers+0x7e5/0xc70
[  271.782130]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  271.787495]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  271.792509]  ? graph_lock+0x170/0x170
[  271.796313]  ? print_usage_bug+0xc0/0xc0
[  271.800376]  ? lock_release+0x970/0x970
[  271.804357]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  271.809555]  ? find_held_lock+0x36/0x1c0
[  271.813643]  ? graph_lock+0x170/0x170
[  271.817447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.822994]  ? check_preemption_disabled+0x48/0x200
[  271.828020]  ? __lock_is_held+0xb5/0x140
[  271.832082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.837637]  ? check_preemption_disabled+0x48/0x200
[  271.843189]  run_timer_softirq+0x52/0xb0
[  271.847255]  ? rcu_read_lock_sched_held+0x108/0x120
[  271.852280]  __do_softirq+0x30b/0xad8
[  271.856111]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  271.861220]  ? pvclock_read_flags+0x160/0x160
[  271.865721]  ? lapic_next_event+0x5a/0x90
[  271.869871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.875412]  ? check_preemption_disabled+0x48/0x200
[  271.880448]  ? check_preemption_disabled+0x48/0x200
[  271.885500]  ? kvm_clock_read+0x18/0x30
[  271.889480]  ? kvm_sched_clock_read+0x9/0x20
[  271.893899]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.899438]  ? check_preemption_disabled+0x48/0x200
[  271.904484]  irq_exit+0x17f/0x1c0
[  271.907944]  smp_apic_timer_interrupt+0x1cb/0x760
[  271.912784]  ? smp_reschedule_interrupt+0x109/0x650
[  271.917799]  ? smp_call_function_single_interrupt+0x650/0x650
[  271.923757]  ? interrupt_entry+0xb5/0xf0
[  271.927825]  ? trace_hardirqs_off_caller+0xbb/0x300
[  271.932839]  ? trace_hardirqs_off_caller+0xbb/0x300
[  271.937873]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.942723]  ? trace_hardirqs_off+0x300/0x300
[  271.947216]  ? trace_hardirqs_off+0x300/0x300
[  271.951717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.957276]  ? check_preemption_disabled+0x48/0x200
[  271.962291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.967838]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.972703]  apic_timer_interrupt+0xf/0x20
[  271.976948]  </IRQ>
[  271.979184] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  271.984468] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  272.003379] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  272.011116] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  272.018382] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  272.025650] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  272.032915] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  272.040178] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  272.047469]  ? arch_local_irq_restore+0x45/0x52
[  272.052148]  dump_stack+0x26a/0x2b4
[  272.055775]  ? dump_stack_print_info.cold.2+0x52/0x52
[  272.060965]  ? mark_held_locks+0x130/0x130
[  272.065200]  ? mark_held_locks+0x130/0x130
[  272.069450]  dump_header+0x27b/0xf72
[  272.073176]  ? pagefault_out_of_memory+0x197/0x197
[  272.078107]  ? mark_held_locks+0x130/0x130
[  272.082344]  ? __lock_acquire+0x7ec/0x4ec0
[  272.086590]  ? mem_cgroup_charge_statistics+0x780/0x780
[  272.091949]  ? print_usage_bug+0xc0/0xc0
[  272.096017]  ? print_usage_bug+0xc0/0xc0
[  272.100095]  ? graph_lock+0x170/0x170
[  272.103896]  ? graph_lock+0x170/0x170
[  272.107700]  ? print_usage_bug+0xc0/0xc0
[  272.111760]  ? print_usage_bug+0xc0/0xc0
[  272.115840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.121383]  ? find_held_lock+0x36/0x1c0
[  272.125471]  ? mark_held_locks+0xc7/0x130
[  272.129627]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  272.134730]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  272.139834]  ? lockdep_hardirqs_on+0x421/0x5c0
[  272.144432]  ? trace_hardirqs_on+0xbd/0x310
[  272.148766]  ? kasan_check_read+0x11/0x20
[  272.152916]  ? ___ratelimit+0x36f/0x655
[  272.156914]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  272.162382]  ? trace_hardirqs_on+0x310/0x310
[  272.166799]  ? lock_downgrade+0x900/0x900
[  272.170953]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  272.176056]  ? ___ratelimit+0xaa/0x655
[  272.179948]  ? idr_get_free+0xec0/0xec0
[  272.183928]  ? kasan_check_write+0x14/0x20
[  272.188165]  ? do_raw_spin_lock+0xc1/0x200
[  272.192405]  oom_kill_process.cold.27+0x10/0x903
[  272.197198]  ? graph_lock+0x170/0x170
[  272.201019]  ? _raw_spin_unlock+0x2c/0x50
[  272.205165]  ? oom_badness+0xe6/0xaa0
[  272.208981]  ? oom_evaluate_task+0x540/0x540
[  272.213392]  ? find_held_lock+0x36/0x1c0
[  272.217464]  ? out_of_memory+0x974/0x14c0
[  272.221611]  ? lock_downgrade+0x900/0x900
[  272.225756]  ? check_preemption_disabled+0x48/0x200
[  272.230773]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  272.236584]  ? kasan_check_read+0x11/0x20
[  272.240726]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  272.246025]  ? rcu_bh_qs+0xc0/0xc0
[  272.249568]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  272.254579]  ? oom_evaluate_task+0x302/0x540
[  272.258996]  out_of_memory+0xa86/0x14c0
[  272.262984]  ? oom_killer_disable+0x3a0/0x3a0
[  272.267489]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  272.272433]  ? __mutex_add_waiter+0x2a0/0x2a0
[  272.276944]  __alloc_pages_slowpath+0x2318/0x2d80
[  272.281836]  ? warn_alloc+0x120/0x120
[  272.285635]  ? __radix_tree_lookup+0x4c0/0x4c0
[  272.290236]  ? find_get_entry+0x2f2/0xc40
[  272.294391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.299942]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  272.304870]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.310424]  ? should_fail+0x22d/0xd01
[  272.314365]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.319475]  ? __lock_is_held+0xb5/0x140
[  272.323577]  ? __lock_is_held+0xb5/0x140
[  272.327645]  ? find_held_lock+0x36/0x1c0
[  272.331732]  ? ___might_sleep+0x1ed/0x300
[  272.335889]  ? lock_release+0x970/0x970
[  272.339904]  ? arch_local_save_flags+0x40/0x40
[  272.344495]  ? __might_sleep+0x95/0x190
[  272.348492]  __alloc_pages_nodemask+0xa80/0xde0
[  272.353167]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  272.358187]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  272.363984]  ? kasan_check_read+0x11/0x20
[  272.368134]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  272.373419]  ? graph_lock+0x170/0x170
[  272.377245]  ? print_usage_bug+0xc0/0xc0
[  272.381312]  ? graph_lock+0x170/0x170
[  272.385122]  ? graph_lock+0x170/0x170
[  272.388921]  ? __do_page_cache_readahead+0x7ce/0x980
[  272.394049]  ? find_held_lock+0x36/0x1c0
[  272.398114]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  272.403675]  alloc_pages_current+0x10c/0x210
[  272.408169]  ? lock_downgrade+0x900/0x900
[  272.412327]  __page_cache_alloc+0x38f/0x5b0
[  272.416647]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  272.422452]  ? kasan_check_read+0x11/0x20
[  272.426601]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  272.431882]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  272.436554]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.442098]  ? check_preemption_disabled+0x48/0x200
[  272.447138]  filemap_fault+0x1594/0x25f0
[  272.451263]  ? __lock_page_or_retry+0xa00/0xa00
[  272.455962]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  272.461764]  ? kasan_check_read+0x11/0x20
[  272.465914]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  272.471192]  ? rcu_bh_qs+0xc0/0xc0
[  272.474738]  ? print_usage_bug+0xc0/0xc0
[  272.478809]  ? filemap_map_pages+0xdea/0x1980
[  272.483310]  ? print_usage_bug+0xc0/0xc0
[  272.487391]  ? find_get_pages_range_tag+0x1320/0x1320
[  272.492581]  ? print_usage_bug+0xc0/0xc0
[  272.496638]  ? __lock_acquire+0x7ec/0x4ec0
[  272.500884]  ? graph_lock+0x170/0x170
[  272.504682]  ? __sigqueue_free.part.27+0x7d/0xa0
[  272.509446]  ? __lock_acquire+0x7ec/0x4ec0
[  272.513699]  ? lock_acquire+0x1ed/0x520
[  272.517673]  ? ext4_filemap_fault+0x7a/0xad
[  272.522003]  ? lock_release+0x970/0x970
[  272.525978]  ? arch_local_save_flags+0x40/0x40
[  272.530574]  ? mark_held_locks+0x130/0x130
[  272.534824]  ? down_read+0xb0/0x1d0
[  272.538456]  ? ext4_filemap_fault+0x7a/0xad
[  272.542792]  ? __down_interruptible+0x700/0x700
[  272.547468]  ? graph_lock+0x170/0x170
[  272.551273]  ? __sigqueue_free.part.27+0x7d/0xa0
[  272.556041]  ext4_filemap_fault+0x82/0xad
[  272.560190]  __do_fault+0x100/0x6b0
[  272.563819]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  272.569121]  ? print_bad_pte+0x6c0/0x6c0
[  272.573189]  ? pmd_val+0x88/0x100
[  272.576666]  ? add_mm_counter_fast+0xd0/0xd0
[  272.581101]  ? pmd_val+0x88/0x100
[  272.584559]  ? add_mm_counter_fast+0xd0/0xd0
[  272.588978]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.594522]  __handle_mm_fault+0x3709/0x53e0
[  272.598959]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  272.603801]  ? graph_lock+0x170/0x170
[  272.607613]  ? print_usage_bug+0xc0/0xc0
[  272.611676]  ? graph_lock+0x170/0x170
[  272.615473]  ? graph_lock+0x170/0x170
[  272.619296]  ? handle_mm_fault+0x42a/0xc70
[  272.623534]  ? lock_downgrade+0x900/0x900
[  272.627687]  ? check_preemption_disabled+0x48/0x200
[  272.632709]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  272.638530]  ? kasan_check_read+0x11/0x20
[  272.642692]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  272.647989]  ? rcu_bh_qs+0xc0/0xc0
[  272.651534]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  272.656986]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.662531]  ? check_preemption_disabled+0x48/0x200
[  272.667571]  handle_mm_fault+0x54f/0xc70
[  272.671641]  ? __handle_mm_fault+0x53e0/0x53e0
[  272.676223]  ? find_vma+0x34/0x190
[  272.679785]  __do_page_fault+0x67d/0xed0
[  272.683852]  ? mm_fault_error+0x380/0x380
[  272.688008]  ? syscall_slow_exit_work+0x520/0x520
[  272.692945]  do_page_fault+0xf2/0x7e0
[  272.696748]  ? vmalloc_sync_all+0x30/0x30
[  272.700900]  ? error_entry+0x70/0xd0
[  272.704616]  ? trace_hardirqs_off_caller+0xbb/0x300
[  272.709632]  ? trace_hardirqs_on_caller+0xc0/0x300
[  272.714569]  ? syscall_return_slowpath+0x5e0/0x5e0
[  272.719505]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.724370]  ? trace_hardirqs_off+0x300/0x300
[  272.728863]  ? trace_hardirqs_off_caller+0x300/0x300
[  272.734159]  ? prepare_exit_to_usermode+0x291/0x3b0
[  272.739218]  ? page_fault+0x8/0x30
[  272.742780]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.747641]  ? page_fault+0x8/0x30
[  272.751196]  page_fault+0x1e/0x30
[  272.754659] RIP: 0033:0x45db60
[  272.757867] Code: Bad RIP value.
[  272.761227] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  272.766598] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  272.773864] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  272.781132] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  272.788410] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  272.795679] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  272.802989] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  272.802995] warn_alloc_show_mem: 1 callbacks suppressed
[  272.803002] Mem-Info:
[  272.810195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  272.815569] active_anon:41581 inactive_anon:372 isolated_anon:0
[  272.815569]  active_file:17 inactive_file:16 isolated_file:0
[  272.815569]  unevictable:0 dirty:0 writeback:0 unstable:0
[  272.815569]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  272.815569]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  272.815569]  free:13699 free_pcp:281 free_cma:0
[  272.817944] Call Trace:
[  272.827333] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  272.860185]  <IRQ>
[  272.862762] Node 0 
[  272.890979]  dump_stack+0x1c4/0x2b4
[  272.893152] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  272.895363]  ? dump_stack_print_info.cold.2+0x52/0x52
[  272.898965] lowmem_reserve[]: 0
[  272.924491]  warn_alloc.cold.118+0xb7/0x1bd
[  272.929655]  2817
[  272.932932]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  272.937229]  6321
[  272.939295]  ? lock_downgrade+0x900/0x900
[  272.944108]  6321
[  272.946180]  ? trace_hardirqs_off+0xb8/0x300
[  272.950299] Node 0 
[  272.952376]  ? trace_hardirqs_off+0xb8/0x300
[  272.956782] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  272.958992]  __alloc_pages_slowpath+0x2667/0x2d80
[  272.963364] lowmem_reserve[]: 0
[  272.990393]  ? warn_alloc+0x120/0x120
[  272.995192]  0
[  272.998484]  ? warn_alloc+0x120/0x120
[  273.002254]  3503 3503
[  273.004107]  ? print_usage_bug+0xc0/0xc0
[  273.010378]  ? warn_alloc+0x120/0x120
[  273.014415] Node 0 
[  273.018210]  ? print_usage_bug+0xc0/0xc0
[  273.018247] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  273.018254] lowmem_reserve[]:
[  273.020485]  ? __lock_acquire+0x7ec/0x4ec0
[  273.024524]  0
[  273.052887]  ? __lock_acquire+0x7ec/0x4ec0
[  273.055994]  0
[  273.060226]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.062010]  0
[  273.066269]  ? should_fail+0x22d/0xd01
[  273.068049]  0
[  273.073582]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.075375] Node 0 
[  273.079273]  ? __lock_acquire+0x7ec/0x4ec0
[  273.081045] DMA: 1*4kB 
[  273.086186]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.088411] (U) 
[  273.092641]  ? __lock_acquire+0x7ec/0x4ec0
[  273.095202] 0*8kB 
[  273.100298]  ? should_fail+0x22d/0xd01
[  273.102268] 0*16kB 
[  273.106505]  ? mark_held_locks+0x130/0x130
[  273.108622] 1*32kB (U) 
[  273.112513]  ? mark_held_locks+0x130/0x130
[  273.114723] 2*64kB (U) 
[  273.118993]  ? graph_lock+0x170/0x170
[  273.121565] 1*128kB (U) 
[  273.125802]  ? graph_lock+0x170/0x170
[  273.128366] 1*256kB (U) 
[  273.132186]  ? graph_lock+0x170/0x170
[  273.134836] 0*512kB 
[  273.138644]  ? print_usage_bug+0xc0/0xc0
[  273.141289] 1*1024kB (U) 
[  273.145116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.147420] 1*2048kB 
[  273.151498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.154245] (M) 
[  273.159802]  ? check_preemption_disabled+0x48/0x200
[  273.162185] 3*4096kB (M) 
[  273.167755]  ? check_preemption_disabled+0x48/0x200
[  273.169704] = 15908kB
[  273.174723]  ? __lock_is_held+0xb5/0x140
[  273.177456] Node 0 
[  273.182474]  __alloc_pages_nodemask+0xa80/0xde0
[  273.184873] DMA32: 
[  273.188937]  ? graph_lock+0x170/0x170
[  273.191155] 2*4kB 
[  273.195822]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  273.198040] (M) 
[  273.201834]  ? graph_lock+0x170/0x170
[  273.203971] 1*8kB 
[  273.209002]  ? find_held_lock+0x36/0x1c0
[  273.210954] (U) 
[  273.214764]  ? ____cache_alloc_node+0x1c7/0x1e0
[  273.216884] 3*16kB (M) 
[  273.220955]  ? lock_downgrade+0x900/0x900
[  273.222902] 1*32kB (M) 
[  273.227588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.230142] 3*64kB (UM) 
[  273.234305]  cache_grow_begin+0x91/0x8c0
[  273.236856] 3*128kB (M) 
[  273.242447]  ? do_raw_spin_unlock+0xa7/0x2f0
[  273.245095] 3*256kB 
[  273.249166]  fallback_alloc+0x203/0x2e0
[  273.251800] (UM) 4*512kB 
[  273.256234]  ____cache_alloc_node+0x1c7/0x1e0
[  273.258539] (UM) 
[  273.262524]  kmem_cache_alloc_node+0xe3/0x730
[  273.265261] 3*1024kB 
[  273.269755]  ? ipv6_get_ifaddr+0x42e/0x620
[  273.271793] (M) 
[  273.276296]  __alloc_skb+0x119/0x770
[  273.278677] 1*2048kB 
[  273.282940]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  273.284892] (U) 
[  273.288601]  ? skb_scrub_packet+0x490/0x490
[  273.290986] 4*4096kB 
[  273.296272]  ? lock_downgrade+0x900/0x900
[  273.298223] (M) 
[  273.302541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.304919] = 24992kB
[  273.304927] Node 0 
[  273.309089]  ? refcount_sub_and_test_checked+0x203/0x310
[  273.311035] Normal: 882*4kB 
[  273.316582]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  273.318969] (UME) 
[  273.321207]  ? addrconf_rs_timer+0x6f0/0x6f0
[  273.326627] 426*8kB (MEH) 
[  273.329661]  ndisc_alloc_skb+0x144/0x340
[  273.335078] 175*16kB (UME) 
[  273.337245]  ndisc_send_rs+0x331/0x6e0
[  273.341633] 71*32kB 
[  273.344477]  addrconf_rs_timer+0x3c0/0x6f0
[  273.348505] (UMEH) 
[  273.351431]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.355297] 10*64kB 
[  273.357625]  call_timer_fn+0x272/0x920
[  273.361826] (UMH) 
[  273.364080]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.368284] 2*128kB (H) 
[  273.370643]  ? process_timeout+0x40/0x40
[  273.374505] 0*256kB 
[  273.376659]  ? find_held_lock+0x36/0x1c0
[  273.380882] 2*512kB 
[  273.383566]  ? __run_timers+0x7da/0xc70
[  273.387615] (UH) 
[  273.389962]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.393997] 0*1024kB 0*2048kB 
[  273.396324]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.400276] 0*4096kB 
[  273.402359]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.406909] = 13928kB
[  273.406924] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  273.410120]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  273.414608] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  273.417019]  ? trace_hardirqs_on+0xbd/0x310
[  273.421227] 412 total pagecache pages
[  273.423629]  ? kasan_check_read+0x11/0x20
[  273.432445] 0 pages in swap cache
[  273.437052]  ? __run_timers+0x7da/0xc70
[  273.445608] Swap cache stats: add 0, delete 0, find 0/0
[  273.449932]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  273.453705] Free swap  = 0kB
[  273.457850]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.461278] Total swap = 0kB
[  273.465257]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.470608] 1965979 pages RAM
[  273.476055]  __run_timers+0x7e5/0xc70
[  273.479048] 0 pages HighMem/MovableOnly
[  273.479057] 342744 pages reserved
[  273.483297]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  273.486282] 0 pages cma reserved
[  273.490512]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  273.493670] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  273.497383]  ? graph_lock+0x170/0x170
[  273.497401]  ? enqueue_hrtimer+0x1a5/0x560
[  273.497417]  ? lock_release+0x970/0x970
[  273.501439] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  273.504826]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  273.510191] syz-fuzzer cpuset=
[  273.513559]  ? find_held_lock+0x36/0x1c0
[  273.518550] /
[  273.525037]  ? graph_lock+0x170/0x170
[  273.528828]  mems_allowed=0
[  273.533066]  ? pvclock_read_flags+0x160/0x160
[  273.572516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.578057]  ? check_preemption_disabled+0x48/0x200
[  273.583092]  ? __lock_is_held+0xb5/0x140
[  273.587165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.592702]  ? check_preemption_disabled+0x48/0x200
[  273.597726]  run_timer_softirq+0x52/0xb0
[  273.601791]  ? rcu_read_lock_sched_held+0x108/0x120
[  273.606806]  __do_softirq+0x30b/0xad8
[  273.610618]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  273.615736]  ? pvclock_read_flags+0x160/0x160
[  273.620231]  ? lapic_next_event+0x5a/0x90
[  273.624396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.629962]  ? check_preemption_disabled+0x48/0x200
[  273.634979]  ? check_preemption_disabled+0x48/0x200
[  273.640016]  ? kvm_clock_read+0x18/0x30
[  273.643997]  ? kvm_sched_clock_read+0x9/0x20
[  273.648407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.653954]  ? check_preemption_disabled+0x48/0x200
[  273.658996]  irq_exit+0x17f/0x1c0
[  273.662460]  smp_apic_timer_interrupt+0x1cb/0x760
[  273.667298]  ? smp_reschedule_interrupt+0x109/0x650
[  273.672335]  ? smp_call_function_single_interrupt+0x650/0x650
[  273.678239]  ? interrupt_entry+0xb5/0xf0
[  273.682303]  ? trace_hardirqs_off_caller+0xbb/0x300
[  273.687314]  ? trace_hardirqs_off_caller+0xbb/0x300
[  273.692331]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.697173]  ? trace_hardirqs_off+0x300/0x300
[  273.701668]  ? trace_hardirqs_off+0x300/0x300
[  273.706166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.711709]  ? check_preemption_disabled+0x48/0x200
[  273.716733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.722281]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.727140]  apic_timer_interrupt+0xf/0x20
[  273.731371]  </IRQ>
[  273.733805] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  273.738746] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  273.757650] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  273.765367] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  273.772638] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  273.779907] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  273.787174] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  273.794454] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  273.801779]  skb_clone+0x1bb/0x500
[  273.805324]  ? finish_task_switch+0x2f5/0x900
[  273.809826]  ? skb_split+0x11e0/0x11e0
[  273.813718]  ? preempt_notifier_register+0x200/0x200
[  273.818828]  ? __switch_to_asm+0x34/0x70
[  273.822895]  ? __switch_to_asm+0x34/0x70
[  273.826988]  ? __switch_to_asm+0x40/0x70
[  273.831051]  ? __switch_to_asm+0x34/0x70
[  273.835111]  ? __switch_to_asm+0x40/0x70
[  273.839201]  ? __switch_to_asm+0x34/0x70
[  273.843520]  ? __switch_to_asm+0x40/0x70
[  273.847579]  ? __switch_to_asm+0x34/0x70
[  273.851642]  ? __switch_to_asm+0x34/0x70
[  273.855718]  ? __switch_to_asm+0x40/0x70
[  273.859802]  ? __switch_to_asm+0x34/0x70
[  273.863874]  bpf_clone_redirect+0xb9/0x490
[  273.868114]  ? __schedule+0x874/0x1ed0
[  273.872009]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  273.877030]  ? __sched_text_start+0x8/0x8
[  273.881188]  ? lockdep_hardirqs_on+0x421/0x5c0
[  273.885787]  ? retint_kernel+0x2d/0x2d
[  273.889671]  ? trace_hardirqs_on_caller+0xc0/0x300
[  273.894616]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  273.899376]  ? find_held_lock+0x36/0x1c0
[  273.903456]  ? lock_acquire+0x1ed/0x520
[  273.907471]  ? bpf_test_run+0x32e/0x5a0
[  273.911447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.916988]  ? check_preemption_disabled+0x48/0x200
[  273.922011]  ? kasan_check_read+0x11/0x20
[  273.926157]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  273.931451]  ? rcu_bh_qs+0xc0/0xc0
[  273.934995]  ? preempt_schedule+0x4d/0x60
[  273.939146]  ? ___preempt_schedule+0x16/0x18
[  273.943566]  ? bpf_test_run+0x1c0/0x5a0
[  273.947549]  ? netlink_diag_dump+0x2a0/0x2a0
[  273.951958]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.957497]  ? bpf_test_init.isra.9+0x70/0x100
[  273.962102]  ? bpf_prog_test_run_skb+0x634/0xb40
[  273.966881]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  273.971713]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  273.977253]  ? fput+0x130/0x1a0
[  273.980554]  ? __bpf_prog_get+0x9b/0x290
[  273.984610]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  273.989491]  ? bpf_prog_test_run+0x130/0x1a0
[  273.993919]  ? __x64_sys_bpf+0x3d8/0x510
[  273.997979]  ? bpf_prog_get+0x20/0x20
[  274.001784]  ? ksys_ioctl+0x81/0xd0
[  274.005417]  ? do_syscall_64+0x1b9/0x820
[  274.009482]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  274.014849]  ? syscall_return_slowpath+0x5e0/0x5e0
[  274.019774]  ? trace_hardirqs_off+0x300/0x300
[  274.024294]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  274.029309]  ? recalc_sigpending_tsk+0x180/0x180
[  274.034067]  ? kasan_check_write+0x14/0x20
[  274.038315]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.043165]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  274.048559] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  274.048647] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  274.055490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  274.055495] Call Trace:
[  274.055502]  <IRQ>
[  274.055517]  dump_stack+0x1c4/0x2b4
[  274.055537]  ? dump_stack_print_info.cold.2+0x52/0x52
[  274.062073] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  274.071375]  warn_alloc.cold.118+0xb7/0x1bd
[  274.073923] syz-executor4 cpuset=
[  274.076062]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  274.079659] syz4
[  274.084875]  ? lock_downgrade+0x900/0x900
[  274.095345]  mems_allowed=0
[  274.099658]  ? trace_hardirqs_off+0xb8/0x300
[  274.121346]  ? trace_hardirqs_off+0xb8/0x300
[  274.125759]  __alloc_pages_slowpath+0x2667/0x2d80
[  274.130625]  ? warn_alloc+0x120/0x120
[  274.134458]  ? warn_alloc+0x120/0x120
[  274.138274]  ? print_usage_bug+0xc0/0xc0
[  274.142343]  ? warn_alloc+0x120/0x120
[  274.146139]  ? print_usage_bug+0xc0/0xc0
[  274.150202]  ? __lock_acquire+0x7ec/0x4ec0
[  274.154445]  ? __lock_acquire+0x7ec/0x4ec0
[  274.158685]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.164221]  ? should_fail+0x22d/0xd01
[  274.168156]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.173288]  ? __lock_acquire+0x7ec/0x4ec0
[  274.177527]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.182638]  ? __lock_acquire+0x7ec/0x4ec0
[  274.186866]  ? should_fail+0x22d/0xd01
[  274.190760]  ? mark_held_locks+0x130/0x130
[  274.195026]  ? mark_held_locks+0x130/0x130
[  274.199264]  ? graph_lock+0x170/0x170
[  274.203064]  ? graph_lock+0x170/0x170
[  274.206862]  ? graph_lock+0x170/0x170
[  274.210658]  ? print_usage_bug+0xc0/0xc0
[  274.214722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.220259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.225793]  ? check_preemption_disabled+0x48/0x200
[  274.230802]  ? check_preemption_disabled+0x48/0x200
[  274.235835]  ? __lock_is_held+0xb5/0x140
[  274.239907]  __alloc_pages_nodemask+0xa80/0xde0
[  274.244599]  ? graph_lock+0x170/0x170
[  274.248414]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  274.253434]  ? graph_lock+0x170/0x170
[  274.257260]  ? find_held_lock+0x36/0x1c0
[  274.261325]  ? ____cache_alloc_node+0x1c7/0x1e0
[  274.266008]  ? lock_downgrade+0x900/0x900
[  274.270168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.275728]  cache_grow_begin+0x91/0x8c0
[  274.279803]  ? do_raw_spin_unlock+0xa7/0x2f0
[  274.284249]  fallback_alloc+0x203/0x2e0
[  274.288235]  ____cache_alloc_node+0x1c7/0x1e0
[  274.292734]  kmem_cache_alloc_node+0xe3/0x730
[  274.297245]  ? ipv6_get_ifaddr+0x42e/0x620
[  274.301495]  __alloc_skb+0x119/0x770
[  274.305247]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  274.310530]  ? skb_scrub_packet+0x490/0x490
[  274.314852]  ? lock_downgrade+0x900/0x900
[  274.319007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.324546]  ? refcount_sub_and_test_checked+0x203/0x310
[  274.329994]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  274.335447]  ? addrconf_rs_timer+0x6f0/0x6f0
[  274.339924]  ndisc_alloc_skb+0x144/0x340
[  274.343987]  ndisc_send_rs+0x331/0x6e0
[  274.347901]  addrconf_rs_timer+0x3c0/0x6f0
[  274.352142]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.356389]  call_timer_fn+0x272/0x920
[  274.360276]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.364511]  ? process_timeout+0x40/0x40
[  274.368580]  ? find_held_lock+0x36/0x1c0
[  274.372646]  ? mark_held_locks+0xc7/0x130
[  274.376793]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.381292]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.385782]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.390011]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  274.394592]  ? trace_hardirqs_on+0xbd/0x310
[  274.398938]  ? kasan_check_read+0x11/0x20
[  274.403081]  ? __run_timers+0x7da/0xc70
[  274.407053]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  274.412505]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.416743]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.420978]  __run_timers+0x7e5/0xc70
[  274.424791]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  274.430156]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  274.435185]  ? graph_lock+0x170/0x170
[  274.439022]  ? print_usage_bug+0xc0/0xc0
[  274.443079]  ? lock_release+0x970/0x970
[  274.447054]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  274.452258]  ? find_held_lock+0x36/0x1c0
[  274.456327]  ? graph_lock+0x170/0x170
[  274.460131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.465671]  ? check_preemption_disabled+0x48/0x200
[  274.470696]  ? __lock_is_held+0xb5/0x140
[  274.474762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.480297]  ? check_preemption_disabled+0x48/0x200
[  274.485333]  run_timer_softirq+0x52/0xb0
[  274.489391]  ? rcu_read_lock_sched_held+0x108/0x120
[  274.494411]  __do_softirq+0x30b/0xad8
[  274.498224]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  274.503340]  ? pvclock_read_flags+0x160/0x160
[  274.507831]  ? lapic_next_event+0x5a/0x90
[  274.511978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.517517]  ? check_preemption_disabled+0x48/0x200
[  274.522532]  ? check_preemption_disabled+0x48/0x200
[  274.527558]  ? kvm_clock_read+0x18/0x30
[  274.531546]  ? kvm_sched_clock_read+0x9/0x20
[  274.535954]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.541489]  ? check_preemption_disabled+0x48/0x200
[  274.546516]  irq_exit+0x17f/0x1c0
[  274.549969]  smp_apic_timer_interrupt+0x1cb/0x760
[  274.554807]  ? smp_reschedule_interrupt+0x109/0x650
[  274.559833]  ? smp_call_function_single_interrupt+0x650/0x650
[  274.565719]  ? interrupt_entry+0xb5/0xf0
[  274.569779]  ? trace_hardirqs_off_caller+0xbb/0x300
[  274.574793]  ? trace_hardirqs_off_caller+0xbb/0x300
[  274.579818]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.584657]  ? trace_hardirqs_off+0x300/0x300
[  274.589146]  ? trace_hardirqs_off+0x300/0x300
[  274.593657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.599198]  ? check_preemption_disabled+0x48/0x200
[  274.604216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.609776]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.614629]  apic_timer_interrupt+0xf/0x20
[  274.618883]  </IRQ>
[  274.621118] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  274.626403] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  274.645302] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  274.653014] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  274.660284] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  274.667550] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  274.674814] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  274.682101] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  274.689393]  ? arch_local_irq_restore+0x45/0x52
[  274.694066]  dump_stack+0x26a/0x2b4
[  274.697694]  ? dump_stack_print_info.cold.2+0x52/0x52
[  274.702895]  ? mark_held_locks+0x130/0x130
[  274.707126]  ? mark_held_locks+0x130/0x130
[  274.711372]  dump_header+0x27b/0xf72
[  274.715109]  ? pagefault_out_of_memory+0x197/0x197
[  274.720044]  ? mark_held_locks+0x130/0x130
[  274.724281]  ? __lock_acquire+0x7ec/0x4ec0
[  274.728521]  ? mem_cgroup_charge_statistics+0x780/0x780
[  274.734078]  ? print_usage_bug+0xc0/0xc0
[  274.738167]  ? print_usage_bug+0xc0/0xc0
[  274.742241]  ? graph_lock+0x170/0x170
[  274.746040]  ? graph_lock+0x170/0x170
[  274.749856]  ? print_usage_bug+0xc0/0xc0
[  274.753917]  ? print_usage_bug+0xc0/0xc0
[  274.757990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.763539]  ? find_held_lock+0x36/0x1c0
[  274.767608]  ? mark_held_locks+0xc7/0x130
[  274.771770]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  274.776900]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  274.782009]  ? lockdep_hardirqs_on+0x421/0x5c0
[  274.786595]  ? trace_hardirqs_on+0xbd/0x310
[  274.790922]  ? kasan_check_read+0x11/0x20
[  274.795083]  ? ___ratelimit+0x36f/0x655
[  274.799079]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  274.804533]  ? trace_hardirqs_on+0x310/0x310
[  274.808945]  ? lock_downgrade+0x900/0x900
[  274.813102]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  274.818222]  ? ___ratelimit+0xaa/0x655
[  274.822122]  ? idr_get_free+0xec0/0xec0
[  274.826104]  ? kasan_check_write+0x14/0x20
[  274.830351]  ? do_raw_spin_lock+0xc1/0x200
[  274.834608]  oom_kill_process.cold.27+0x10/0x903
[  274.839367]  ? graph_lock+0x170/0x170
[  274.843170]  ? _raw_spin_unlock+0x2c/0x50
[  274.847314]  ? oom_badness+0xe6/0xaa0
[  274.851118]  ? oom_evaluate_task+0x540/0x540
[  274.855531]  ? find_held_lock+0x36/0x1c0
[  274.859600]  ? out_of_memory+0x974/0x14c0
[  274.863760]  ? lock_downgrade+0x900/0x900
[  274.867910]  ? check_preemption_disabled+0x48/0x200
[  274.872956]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  274.878767]  ? kasan_check_read+0x11/0x20
[  274.882959]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  274.888240]  ? rcu_bh_qs+0xc0/0xc0
[  274.891787]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  274.896821]  ? oom_evaluate_task+0x302/0x540
[  274.901242]  out_of_memory+0xa86/0x14c0
[  274.905226]  ? oom_killer_disable+0x3a0/0x3a0
[  274.909749]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  274.914684]  ? __mutex_add_waiter+0x2a0/0x2a0
[  274.919190]  __alloc_pages_slowpath+0x2318/0x2d80
[  274.924063]  ? warn_alloc+0x120/0x120
[  274.927874]  ? __radix_tree_lookup+0x4c0/0x4c0
[  274.932472]  ? find_get_entry+0x2f2/0xc40
[  274.936673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.942214]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  274.947150]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.952697]  ? should_fail+0x22d/0xd01
[  274.956592]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.961703]  ? __lock_is_held+0xb5/0x140
[  274.965801]  ? __lock_is_held+0xb5/0x140
[  274.969870]  ? find_held_lock+0x36/0x1c0
[  274.973936]  ? ___might_sleep+0x1ed/0x300
[  274.978084]  ? lock_release+0x970/0x970
[  274.982059]  ? arch_local_save_flags+0x40/0x40
[  274.986655]  ? __might_sleep+0x95/0x190
[  274.990651]  __alloc_pages_nodemask+0xa80/0xde0
[  274.995328]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  275.000347]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  275.006148]  ? kasan_check_read+0x11/0x20
[  275.010329]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  275.015607]  ? graph_lock+0x170/0x170
[  275.019410]  ? print_usage_bug+0xc0/0xc0
[  275.023490]  ? graph_lock+0x170/0x170
[  275.027291]  ? graph_lock+0x170/0x170
[  275.031100]  ? __do_page_cache_readahead+0x7ce/0x980
[  275.036209]  ? find_held_lock+0x36/0x1c0
[  275.040282]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  275.045826]  alloc_pages_current+0x10c/0x210
[  275.050251]  ? lock_downgrade+0x900/0x900
[  275.054408]  __page_cache_alloc+0x38f/0x5b0
[  275.058732]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  275.064533]  ? kasan_check_read+0x11/0x20
[  275.068683]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  275.073973]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  275.078643]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.084184]  ? check_preemption_disabled+0x48/0x200
[  275.089205]  filemap_fault+0x1594/0x25f0
[  275.093285]  ? __lock_page_or_retry+0xa00/0xa00
[  275.097953]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  275.103755]  ? kasan_check_read+0x11/0x20
[  275.107917]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  275.113205]  ? rcu_bh_qs+0xc0/0xc0
[  275.116761]  ? print_usage_bug+0xc0/0xc0
[  275.120829]  ? filemap_map_pages+0xdea/0x1980
[  275.125333]  ? print_usage_bug+0xc0/0xc0
[  275.129405]  ? find_get_pages_range_tag+0x1320/0x1320
[  275.134596]  ? print_usage_bug+0xc0/0xc0
[  275.138666]  ? __lock_acquire+0x7ec/0x4ec0
[  275.142905]  ? graph_lock+0x170/0x170
[  275.146710]  ? __sigqueue_free.part.27+0x7d/0xa0
[  275.151471]  ? __lock_acquire+0x7ec/0x4ec0
[  275.155723]  ? lock_acquire+0x1ed/0x520
[  275.159699]  ? ext4_filemap_fault+0x7a/0xad
[  275.164028]  ? lock_release+0x970/0x970
[  275.168007]  ? arch_local_save_flags+0x40/0x40
[  275.172604]  ? mark_held_locks+0x130/0x130
[  275.176858]  ? down_read+0xb0/0x1d0
[  275.180485]  ? ext4_filemap_fault+0x7a/0xad
[  275.184811]  ? __down_interruptible+0x700/0x700
[  275.189486]  ? graph_lock+0x170/0x170
[  275.193305]  ? __sigqueue_free.part.27+0x7d/0xa0
[  275.198073]  ext4_filemap_fault+0x82/0xad
[  275.202226]  __do_fault+0x100/0x6b0
[  275.205866]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  275.211160]  ? print_bad_pte+0x6c0/0x6c0
[  275.215254]  ? pmd_val+0x88/0x100
[  275.218720]  ? add_mm_counter_fast+0xd0/0xd0
[  275.223138]  ? pmd_val+0x88/0x100
[  275.226606]  ? add_mm_counter_fast+0xd0/0xd0
[  275.231044]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.236586]  __handle_mm_fault+0x3709/0x53e0
[  275.241032]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  275.245894]  ? graph_lock+0x170/0x170
[  275.249700]  ? print_usage_bug+0xc0/0xc0
[  275.253774]  ? graph_lock+0x170/0x170
[  275.257572]  ? graph_lock+0x170/0x170
[  275.261392]  ? handle_mm_fault+0x42a/0xc70
[  275.266243]  ? lock_downgrade+0x900/0x900
[  275.270396]  ? check_preemption_disabled+0x48/0x200
[  275.275417]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  275.281222]  ? kasan_check_read+0x11/0x20
[  275.285377]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  275.290666]  ? rcu_bh_qs+0xc0/0xc0
[  275.294207]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  275.299684]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.305239]  ? check_preemption_disabled+0x48/0x200
[  275.310273]  handle_mm_fault+0x54f/0xc70
[  275.314343]  ? __handle_mm_fault+0x53e0/0x53e0
[  275.318944]  ? find_vma+0x34/0x190
[  275.322499]  __do_page_fault+0x67d/0xed0
[  275.326574]  ? mm_fault_error+0x380/0x380
[  275.330729]  ? syscall_slow_exit_work+0x520/0x520
[  275.335580]  do_page_fault+0xf2/0x7e0
[  275.339383]  ? vmalloc_sync_all+0x30/0x30
[  275.343536]  ? error_entry+0x70/0xd0
[  275.347268]  ? trace_hardirqs_off_caller+0xbb/0x300
[  275.352280]  ? trace_hardirqs_on_caller+0xc0/0x300
[  275.357217]  ? syscall_return_slowpath+0x5e0/0x5e0
[  275.362159]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.367016]  ? trace_hardirqs_off+0x300/0x300
[  275.371539]  ? trace_hardirqs_off_caller+0x300/0x300
[  275.376646]  ? prepare_exit_to_usermode+0x291/0x3b0
[  275.381663]  ? page_fault+0x8/0x30
[  275.385208]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.390058]  ? page_fault+0x8/0x30
[  275.393602]  page_fault+0x1e/0x30
[  275.397056] RIP: 0033:0x45db60
[  275.400263] Code: Bad RIP value.
[  275.403625] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  275.408991] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  275.416261] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  275.423527] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  275.430807] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  275.438078] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  275.445387] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  275.445394] warn_alloc_show_mem: 1 callbacks suppressed
[  275.445404] Mem-Info:
[  275.452610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  275.457978] active_anon:41581 inactive_anon:372 isolated_anon:0
[  275.457978]  active_file:17 inactive_file:16 isolated_file:0
[  275.457978]  unevictable:0 dirty:0 writeback:0 unstable:0
[  275.457978]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  275.457978]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  275.457978]  free:13699 free_pcp:281 free_cma:0
[  275.460355] Call Trace:
[  275.469745] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  275.502776]  <IRQ>
[  275.505350] Node 0 
[  275.533285]  dump_stack+0x1c4/0x2b4
[  275.535437] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  275.537656]  ? dump_stack_print_info.cold.2+0x52/0x52
[  275.541267] lowmem_reserve[]: 0
[  275.566799]  warn_alloc.cold.118+0xb7/0x1bd
[  275.571959]  2817 6321
[  275.575246]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  275.575264]  ? lock_downgrade+0x900/0x900
[  275.579565]  6321
[  275.582067]  ? trace_hardirqs_off+0xb8/0x300
[  275.586883] Node 0 
[  275.591025]  ? trace_hardirqs_off+0xb8/0x300
[  275.593107] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  275.597486]  __alloc_pages_slowpath+0x2667/0x2d80
[  275.599687] lowmem_reserve[]: 0
[  275.604121]  ? warn_alloc+0x120/0x120
[  275.631050]  0 3503
[  275.635932]  ? warn_alloc+0x120/0x120
[  275.639194]  3503
[  275.642996]  ? print_usage_bug+0xc0/0xc0
[  275.645225] Node 0 
[  275.649023]  ? warn_alloc+0x120/0x120
[  275.651090] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  275.655128]  ? print_usage_bug+0xc0/0xc0
[  275.657342] lowmem_reserve[]:
[  275.661139]  ? __lock_acquire+0x7ec/0x4ec0
[  275.689487]  0
[  275.693572]  ? __lock_acquire+0x7ec/0x4ec0
[  275.696653]  0
[  275.700929]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.702707]  0
[  275.706943]  ? should_fail+0x22d/0xd01
[  275.708721]  0
[  275.714261]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.716041] Node 0 
[  275.719936]  ? __lock_acquire+0x7ec/0x4ec0
[  275.721722] DMA: 
[  275.726826]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.729042] 1*4kB 
[  275.733462]  ? __lock_acquire+0x7ec/0x4ec0
[  275.733478]  ? should_fail+0x22d/0xd01
[  275.735532] (U) 
[  275.740632]  ? mark_held_locks+0x130/0x130
[  275.742756] 0*8kB 
[  275.746987]  ? mark_held_locks+0x130/0x130
[  275.750850] 0*16kB 
[  275.752819]  ? graph_lock+0x170/0x170
[  275.757038] 1*32kB (U) 
[  275.759208]  ? graph_lock+0x170/0x170
[  275.763427] 2*64kB 
[  275.765668]  ? graph_lock+0x170/0x170
[  275.769440] (U) 1*128kB (U) 
[  275.772039]  ? print_usage_bug+0xc0/0xc0
[  275.775816] 1*256kB 
[  275.778048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.781822] (U) 
[  275.784837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.788876] 0*512kB 
[  275.791201]  ? check_preemption_disabled+0x48/0x200
[  275.796704] 1*1024kB (U) 
[  275.798691]  ? check_preemption_disabled+0x48/0x200
[  275.804209] 1*2048kB 
[  275.806535]  ? __lock_is_held+0xb5/0x140
[  275.811521] (M) 
[  275.814279]  __alloc_pages_nodemask+0xa80/0xde0
[  275.819283] 3*4096kB 
[  275.821687]  ? graph_lock+0x170/0x170
[  275.825723] (M) 
[  275.827702]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  275.832347] = 15908kB
[  275.834768]  ? graph_lock+0x170/0x170
[  275.838572] Node 0 
[  275.840752]  ? find_held_lock+0x36/0x1c0
[  275.845733] DMA32: 2*4kB 
[  275.848156]  ? ____cache_alloc_node+0x1c7/0x1e0
[  275.851926] (M) 
[  275.854159]  ? lock_downgrade+0x900/0x900
[  275.858207] 1*8kB 
[  275.860984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.865628] (U) 
[  275.867606]  cache_grow_begin+0x91/0x8c0
[  275.871739] 3*16kB 
[  275.873888]  ? do_raw_spin_unlock+0xa7/0x2f0
[  275.879403] (M) 
[  275.881382]  fallback_alloc+0x203/0x2e0
[  275.885429] 1*32kB 
[  275.887672]  ____cache_alloc_node+0x1c7/0x1e0
[  275.892066] (M) 
[  275.894076]  kmem_cache_alloc_node+0xe3/0x730
[  275.898024] 3*64kB 
[  275.900277]  ? ipv6_get_ifaddr+0x42e/0x620
[  275.904738] (UM) 3*128kB 
[  275.906733]  __alloc_skb+0x119/0x770
[  275.911218] (M) 
[  275.913459]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  275.917675] 3*256kB (UM) 
[  275.920436]  ? skb_scrub_packet+0x490/0x490
[  275.924131] 4*512kB 
[  275.926104]  ? lock_downgrade+0x900/0x900
[  275.931367] (UM) 
[  275.934149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.938441] 3*1024kB (M) 
[  275.940770]  ? refcount_sub_and_test_checked+0x203/0x310
[  275.944890] 1*2048kB 
[  275.946953]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  275.952466] (U) 
[  275.955219]  ? addrconf_rs_timer+0x6f0/0x6f0
[  275.960646] 4*4096kB 
[  275.963058]  ndisc_alloc_skb+0x144/0x340
[  275.968484] (M) 
[  275.970462]  ndisc_send_rs+0x331/0x6e0
[  275.974846] = 24992kB
[  275.977256]  addrconf_rs_timer+0x3c0/0x6f0
[  275.981295] Node 0 
[  275.983271]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  275.987130] Normal: 
[  275.989548]  call_timer_fn+0x272/0x920
[  275.993749] 882*4kB 
[  275.995985]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.000195] (UME) 
[  276.002511]  ? process_timeout+0x40/0x40
[  276.006385] 426*8kB 
[  276.008705]  ? find_held_lock+0x36/0x1c0
[  276.012929] (MEH) 
[  276.015095]  ? __run_timers+0x7da/0xc70
[  276.019130] 175*16kB 
[  276.021458]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.025495] (UME) 
[  276.027658]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.031609] 71*32kB 
[  276.034016]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.038486] (UMEH) 
[  276.040636]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  276.045119] 10*64kB 
[  276.047480]  ? trace_hardirqs_on+0xbd/0x310
[  276.051712] (UMH) 
[  276.053957]  ? kasan_check_read+0x11/0x20
[  276.058512] 2*128kB 
[  276.060831]  ? __run_timers+0x7da/0xc70
[  276.065138] (H) 
[  276.067288]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  276.071414] 0*256kB 
[  276.073741]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.077683] 2*512kB 
[  276.079655]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.085080] (UH) 
[  276.087411]  __run_timers+0x7e5/0xc70
[  276.091619] 0*1024kB 
[  276.093943]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  276.098139] 0*2048kB 0*4096kB 
[  276.100218]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  276.104010] = 13928kB
[  276.106417]  ? graph_lock+0x170/0x170
[  276.111773] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  276.114966]  ? enqueue_hrtimer+0x1a5/0x560
[  276.119964] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  276.122374]  ? lock_release+0x970/0x970
[  276.126155] 412 total pagecache pages
[  276.134982]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  276.139201] 0 pages in swap cache
[  276.147773]  ? find_held_lock+0x36/0x1c0
[  276.151732] Swap cache stats: add 0, delete 0, find 0/0
[  276.155543]  ? graph_lock+0x170/0x170
[  276.160711] Free swap  = 0kB
[  276.164157]  ? pvclock_read_flags+0x160/0x160
[  276.168232] Total swap = 0kB
[  276.173585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.177357] 1965979 pages RAM
[  276.180367]  ? check_preemption_disabled+0x48/0x200
[  276.184847] 0 pages HighMem/MovableOnly
[  276.187909]  ? __lock_is_held+0xb5/0x140
[  276.193421] 342744 pages reserved
[  276.196514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.201509] 0 pages cma reserved
[  276.205473]  ? check_preemption_disabled+0x48/0x200
[  276.209625] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  276.212988]  run_timer_softirq+0x52/0xb0
[  276.218648] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  276.221870]  ? rcu_read_lock_sched_held+0x108/0x120
[  276.226872] syz-fuzzer cpuset=
[  276.233367]  __do_softirq+0x30b/0xad8
[  276.237408] /
[  276.247637]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  276.253310]  mems_allowed=0
[  276.270050]  ? pvclock_read_flags+0x160/0x160
[  276.274550]  ? lapic_next_event+0x5a/0x90
[  276.278701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.284284]  ? check_preemption_disabled+0x48/0x200
[  276.289307]  ? check_preemption_disabled+0x48/0x200
[  276.294331]  ? kvm_clock_read+0x18/0x30
[  276.298305]  ? kvm_sched_clock_read+0x9/0x20
[  276.302714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.308256]  ? check_preemption_disabled+0x48/0x200
[  276.313285]  irq_exit+0x17f/0x1c0
[  276.316751]  smp_apic_timer_interrupt+0x1cb/0x760
[  276.321597]  ? smp_reschedule_interrupt+0x109/0x650
[  276.326650]  ? smp_call_function_single_interrupt+0x650/0x650
[  276.332555]  ? interrupt_entry+0xb5/0xf0
[  276.336646]  ? trace_hardirqs_off_caller+0xbb/0x300
[  276.341663]  ? trace_hardirqs_off_caller+0xbb/0x300
[  276.346684]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.351528]  ? trace_hardirqs_off+0x300/0x300
[  276.356021]  ? trace_hardirqs_off+0x300/0x300
[  276.360534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.366093]  ? check_preemption_disabled+0x48/0x200
[  276.371124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.376667]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.381517]  apic_timer_interrupt+0xf/0x20
[  276.385747]  </IRQ>
[  276.387990] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  276.392936] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  276.411833] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  276.419564] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  276.426850] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  276.434114] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  276.441398] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  276.448677] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  276.455996]  skb_clone+0x1bb/0x500
[  276.459542]  ? finish_task_switch+0x2f5/0x900
[  276.464042]  ? skb_split+0x11e0/0x11e0
[  276.467935]  ? preempt_notifier_register+0x200/0x200
[  276.473037]  ? __switch_to_asm+0x34/0x70
[  276.477112]  ? __switch_to_asm+0x34/0x70
[  276.481170]  ? __switch_to_asm+0x40/0x70
[  276.485227]  ? __switch_to_asm+0x34/0x70
[  276.489287]  ? __switch_to_asm+0x40/0x70
[  276.493362]  ? __switch_to_asm+0x34/0x70
[  276.497431]  ? __switch_to_asm+0x40/0x70
[  276.501489]  ? __switch_to_asm+0x34/0x70
[  276.505547]  ? __switch_to_asm+0x34/0x70
[  276.509604]  ? __switch_to_asm+0x40/0x70
[  276.513662]  ? __switch_to_asm+0x34/0x70
[  276.517736]  bpf_clone_redirect+0xb9/0x490
[  276.521972]  ? __schedule+0x874/0x1ed0
[  276.525893]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  276.530926]  ? __sched_text_start+0x8/0x8
[  276.535080]  ? lockdep_hardirqs_on+0x421/0x5c0
[  276.539684]  ? retint_kernel+0x2d/0x2d
[  276.543593]  ? trace_hardirqs_on_caller+0xc0/0x300
[  276.548528]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  276.553281]  ? find_held_lock+0x36/0x1c0
[  276.557344]  ? lock_acquire+0x1ed/0x520
[  276.561325]  ? bpf_test_run+0x32e/0x5a0
[  276.565316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.570857]  ? check_preemption_disabled+0x48/0x200
[  276.575883]  ? kasan_check_read+0x11/0x20
[  276.580034]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  276.585323]  ? rcu_bh_qs+0xc0/0xc0
[  276.588868]  ? preempt_schedule+0x4d/0x60
[  276.593015]  ? ___preempt_schedule+0x16/0x18
[  276.597424]  ? bpf_test_run+0x1c0/0x5a0
[  276.601456]  ? netlink_diag_dump+0x2a0/0x2a0
[  276.605923]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.611459]  ? bpf_test_init.isra.9+0x70/0x100
[  276.616073]  ? bpf_prog_test_run_skb+0x634/0xb40
[  276.620839]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  276.625680]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  276.631210]  ? fput+0x130/0x1a0
[  276.634498]  ? __bpf_prog_get+0x9b/0x290
[  276.638571]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  276.643423]  ? bpf_prog_test_run+0x130/0x1a0
[  276.647835]  ? __x64_sys_bpf+0x3d8/0x510
[  276.651895]  ? bpf_prog_get+0x20/0x20
[  276.655704]  ? ksys_ioctl+0x81/0xd0
[  276.659358]  ? do_syscall_64+0x1b9/0x820
[  276.663429]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  276.668802]  ? syscall_return_slowpath+0x5e0/0x5e0
[  276.673739]  ? trace_hardirqs_off+0x300/0x300
[  276.678251]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  276.683288]  ? recalc_sigpending_tsk+0x180/0x180
[  276.688048]  ? kasan_check_write+0x14/0x20
[  276.692292]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.697144]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  276.702531] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  276.702665] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  276.709491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  276.709496] Call Trace:
[  276.709504]  <IRQ>
[  276.709519]  dump_stack+0x1c4/0x2b4
[  276.709541]  ? dump_stack_print_info.cold.2+0x52/0x52
[  276.716124] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  276.725391]  warn_alloc.cold.118+0xb7/0x1bd
[  276.727945] syz-executor4 cpuset=
[  276.730088]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  276.734179] syz4
[  276.739367]  ? lock_downgrade+0x900/0x900
[  276.749834]  mems_allowed=0
[  276.754153]  ? trace_hardirqs_off+0xb8/0x300
[  276.775838]  ? trace_hardirqs_off+0xb8/0x300
[  276.780277]  __alloc_pages_slowpath+0x2667/0x2d80
[  276.785166]  ? warn_alloc+0x120/0x120
[  276.788983]  ? warn_alloc+0x120/0x120
[  276.792787]  ? print_usage_bug+0xc0/0xc0
[  276.796866]  ? warn_alloc+0x120/0x120
[  276.800668]  ? print_usage_bug+0xc0/0xc0
[  276.804737]  ? graph_lock+0x170/0x170
[  276.808545]  ? kvm_sched_clock_read+0x9/0x20
[  276.812956]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.818496]  ? should_fail+0x22d/0xd01
[  276.822386]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.827509]  ? __lock_acquire+0x7ec/0x4ec0
[  276.831750]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.836880]  ? __lock_acquire+0x7ec/0x4ec0
[  276.841116]  ? should_fail+0x22d/0xd01
[  276.845017]  ? mark_held_locks+0x130/0x130
[  276.849273]  ? mark_held_locks+0x130/0x130
[  276.853514]  ? select_task_rq_fair+0x754/0x34f0
[  276.858183]  ? lock_downgrade+0x900/0x900
[  276.862349]  ? check_preemption_disabled+0x48/0x200
[  276.867370]  ? graph_lock+0x170/0x170
[  276.871170]  ? print_usage_bug+0xc0/0xc0
[  276.875256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.880796]  ? check_preemption_disabled+0x48/0x200
[  276.885828]  ? check_preemption_disabled+0x48/0x200
[  276.890858]  ? __lock_is_held+0xb5/0x140
[  276.894929]  __alloc_pages_nodemask+0xa80/0xde0
[  276.899603]  ? graph_lock+0x170/0x170
[  276.903409]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  276.908423]  ? graph_lock+0x170/0x170
[  276.912239]  ? find_held_lock+0x36/0x1c0
[  276.916314]  ? ____cache_alloc_node+0x1c7/0x1e0
[  276.920986]  ? lock_downgrade+0x900/0x900
[  276.925156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.930701]  cache_grow_begin+0x91/0x8c0
[  276.934798]  ? do_raw_spin_unlock+0xa7/0x2f0
[  276.939223]  fallback_alloc+0x203/0x2e0
[  276.943253]  ____cache_alloc_node+0x1c7/0x1e0
[  276.947771]  kmem_cache_alloc_node+0xe3/0x730
[  276.952288]  ? ipv6_get_ifaddr+0x42e/0x620
[  276.956548]  __alloc_skb+0x119/0x770
[  276.960264]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  276.965546]  ? skb_scrub_packet+0x490/0x490
[  276.969866]  ? lock_downgrade+0x900/0x900
[  276.974019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.979559]  ? refcount_sub_and_test_checked+0x203/0x310
[  276.985016]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  276.990488]  ? addrconf_rs_timer+0x6f0/0x6f0
[  276.994907]  ndisc_alloc_skb+0x144/0x340
[  276.998983]  ndisc_send_rs+0x331/0x6e0
[  277.002878]  addrconf_rs_timer+0x3c0/0x6f0
[  277.007117]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.011390]  call_timer_fn+0x272/0x920
[  277.015278]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.019515]  ? process_timeout+0x40/0x40
[  277.023577]  ? find_held_lock+0x36/0x1c0
[  277.027657]  ? mark_held_locks+0xc7/0x130
[  277.031822]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.036333]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.040827]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.045064]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  277.049654]  ? trace_hardirqs_on+0xbd/0x310
[  277.053978]  ? kasan_check_read+0x11/0x20
[  277.058128]  ? __run_timers+0x7da/0xc70
[  277.062104]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  277.067571]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.071808]  __run_timers+0x7e5/0xc70
[  277.075620]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  277.080982]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  277.086021]  ? graph_lock+0x170/0x170
[  277.089826]  ? print_usage_bug+0xc0/0xc0
[  277.093907]  ? lock_release+0x970/0x970
[  277.097889]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  277.103082]  ? find_held_lock+0x36/0x1c0
[  277.107146]  ? graph_lock+0x170/0x170
[  277.110965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.116506]  ? check_preemption_disabled+0x48/0x200
[  277.121535]  ? __lock_is_held+0xb5/0x140
[  277.125598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.131135]  ? check_preemption_disabled+0x48/0x200
[  277.136159]  run_timer_softirq+0x52/0xb0
[  277.140221]  ? rcu_read_lock_sched_held+0x108/0x120
[  277.145258]  __do_softirq+0x30b/0xad8
[  277.149076]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  277.154200]  ? pvclock_read_flags+0x160/0x160
[  277.158701]  ? lapic_next_event+0x5a/0x90
[  277.162843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.168411]  ? check_preemption_disabled+0x48/0x200
[  277.173455]  ? check_preemption_disabled+0x48/0x200
[  277.178493]  ? kvm_clock_read+0x18/0x30
[  277.182472]  ? kvm_sched_clock_read+0x9/0x20
[  277.186896]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.192443]  ? check_preemption_disabled+0x48/0x200
[  277.197477]  irq_exit+0x17f/0x1c0
[  277.200947]  smp_apic_timer_interrupt+0x1cb/0x760
[  277.205788]  ? smp_reschedule_interrupt+0x109/0x650
[  277.210803]  ? smp_call_function_single_interrupt+0x650/0x650
[  277.216702]  ? interrupt_entry+0xb5/0xf0
[  277.220768]  ? trace_hardirqs_off_caller+0xbb/0x300
[  277.225783]  ? trace_hardirqs_off_caller+0xbb/0x300
[  277.230803]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.235665]  ? trace_hardirqs_off+0x300/0x300
[  277.240158]  ? trace_hardirqs_off+0x300/0x300
[  277.244657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.250196]  ? check_preemption_disabled+0x48/0x200
[  277.255217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.260767]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.265631]  apic_timer_interrupt+0xf/0x20
[  277.269872]  </IRQ>
[  277.272112] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  277.277401] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  277.296314] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  277.304024] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  277.311289] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  277.318589] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  277.325866] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  277.333151] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  277.340447]  ? arch_local_irq_restore+0x45/0x52
[  277.345142]  dump_stack+0x26a/0x2b4
[  277.348792]  ? dump_stack_print_info.cold.2+0x52/0x52
[  277.353986]  ? mark_held_locks+0x130/0x130
[  277.358219]  ? mark_held_locks+0x130/0x130
[  277.362470]  dump_header+0x27b/0xf72
[  277.366195]  ? pagefault_out_of_memory+0x197/0x197
[  277.371162]  ? mark_held_locks+0x130/0x130
[  277.375401]  ? __lock_acquire+0x7ec/0x4ec0
[  277.379644]  ? mem_cgroup_charge_statistics+0x780/0x780
[  277.385007]  ? print_usage_bug+0xc0/0xc0
[  277.389072]  ? print_usage_bug+0xc0/0xc0
[  277.393156]  ? graph_lock+0x170/0x170
[  277.396950]  ? graph_lock+0x170/0x170
[  277.400746]  ? print_usage_bug+0xc0/0xc0
[  277.404805]  ? print_usage_bug+0xc0/0xc0
[  277.408877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.414429]  ? find_held_lock+0x36/0x1c0
[  277.418504]  ? mark_held_locks+0xc7/0x130
[  277.422655]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  277.427759]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  277.432862]  ? lockdep_hardirqs_on+0x421/0x5c0
[  277.437457]  ? trace_hardirqs_on+0xbd/0x310
[  277.441783]  ? kasan_check_read+0x11/0x20
[  277.445937]  ? ___ratelimit+0x36f/0x655
[  277.449917]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  277.455380]  ? trace_hardirqs_on+0x310/0x310
[  277.459805]  ? lock_downgrade+0x900/0x900
[  277.463960]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  277.469066]  ? ___ratelimit+0xaa/0x655
[  277.472972]  ? idr_get_free+0xec0/0xec0
[  277.476949]  ? kasan_check_write+0x14/0x20
[  277.481186]  ? do_raw_spin_lock+0xc1/0x200
[  277.485428]  oom_kill_process.cold.27+0x10/0x903
[  277.490241]  ? graph_lock+0x170/0x170
[  277.494058]  ? _raw_spin_unlock+0x2c/0x50
[  277.498241]  ? oom_badness+0xe6/0xaa0
[  277.502051]  ? oom_evaluate_task+0x540/0x540
[  277.506474]  ? find_held_lock+0x36/0x1c0
[  277.510544]  ? out_of_memory+0x974/0x14c0
[  277.514695]  ? lock_downgrade+0x900/0x900
[  277.518847]  ? check_preemption_disabled+0x48/0x200
[  277.523876]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  277.529688]  ? kasan_check_read+0x11/0x20
[  277.533863]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  277.539143]  ? rcu_bh_qs+0xc0/0xc0
[  277.542692]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  277.547707]  ? oom_evaluate_task+0x302/0x540
[  277.552122]  out_of_memory+0xa86/0x14c0
[  277.556106]  ? oom_killer_disable+0x3a0/0x3a0
[  277.560616]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  277.565552]  ? __mutex_add_waiter+0x2a0/0x2a0
[  277.570067]  __alloc_pages_slowpath+0x2318/0x2d80
[  277.574940]  ? warn_alloc+0x120/0x120
[  277.578744]  ? __radix_tree_lookup+0x4c0/0x4c0
[  277.583359]  ? find_get_entry+0x2f2/0xc40
[  277.587528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.593066]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  277.597997]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.603551]  ? should_fail+0x22d/0xd01
[  277.607449]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.612566]  ? __lock_is_held+0xb5/0x140
[  277.616694]  ? __lock_is_held+0xb5/0x140
[  277.620765]  ? find_held_lock+0x36/0x1c0
[  277.624833]  ? ___might_sleep+0x1ed/0x300
[  277.628979]  ? lock_release+0x970/0x970
[  277.632953]  ? arch_local_save_flags+0x40/0x40
[  277.637554]  ? __might_sleep+0x95/0x190
[  277.641561]  __alloc_pages_nodemask+0xa80/0xde0
[  277.646272]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  277.651307]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  277.657118]  ? kasan_check_read+0x11/0x20
[  277.661292]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  277.666574]  ? graph_lock+0x170/0x170
[  277.670377]  ? print_usage_bug+0xc0/0xc0
[  277.674447]  ? graph_lock+0x170/0x170
[  277.678275]  ? graph_lock+0x170/0x170
[  277.682077]  ? __do_page_cache_readahead+0x7ce/0x980
[  277.687188]  ? find_held_lock+0x36/0x1c0
[  277.691259]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  277.696815]  alloc_pages_current+0x10c/0x210
[  277.701234]  ? lock_downgrade+0x900/0x900
[  277.705390]  __page_cache_alloc+0x38f/0x5b0
[  277.709719]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  277.715541]  ? kasan_check_read+0x11/0x20
[  277.719705]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  277.725000]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  277.729671]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.735223]  ? check_preemption_disabled+0x48/0x200
[  277.740261]  filemap_fault+0x1594/0x25f0
[  277.744340]  ? __lock_page_or_retry+0xa00/0xa00
[  277.749011]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  277.754820]  ? kasan_check_read+0x11/0x20
[  277.758974]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  277.764268]  ? rcu_bh_qs+0xc0/0xc0
[  277.767814]  ? print_usage_bug+0xc0/0xc0
[  277.771883]  ? filemap_map_pages+0xdea/0x1980
[  277.776388]  ? print_usage_bug+0xc0/0xc0
[  277.780459]  ? find_get_pages_range_tag+0x1320/0x1320
[  277.785661]  ? print_usage_bug+0xc0/0xc0
[  277.789723]  ? __lock_acquire+0x7ec/0x4ec0
[  277.793960]  ? graph_lock+0x170/0x170
[  277.797764]  ? __sigqueue_free.part.27+0x7d/0xa0
[  277.802535]  ? __lock_acquire+0x7ec/0x4ec0
[  277.806786]  ? lock_acquire+0x1ed/0x520
[  277.810768]  ? ext4_filemap_fault+0x7a/0xad
[  277.815096]  ? lock_release+0x970/0x970
[  277.819073]  ? arch_local_save_flags+0x40/0x40
[  277.823672]  ? mark_held_locks+0x130/0x130
[  277.827937]  ? down_read+0xb0/0x1d0
[  277.831564]  ? ext4_filemap_fault+0x7a/0xad
[  277.835887]  ? __down_interruptible+0x700/0x700
[  277.841100]  ? graph_lock+0x170/0x170
[  277.844906]  ? __sigqueue_free.part.27+0x7d/0xa0
[  277.849693]  ext4_filemap_fault+0x82/0xad
[  277.853860]  __do_fault+0x100/0x6b0
[  277.857487]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  277.862783]  ? print_bad_pte+0x6c0/0x6c0
[  277.866854]  ? pmd_val+0x88/0x100
[  277.870308]  ? add_mm_counter_fast+0xd0/0xd0
[  277.874712]  ? pmd_val+0x88/0x100
[  277.878172]  ? add_mm_counter_fast+0xd0/0xd0
[  277.882666]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.888206]  __handle_mm_fault+0x3709/0x53e0
[  277.892629]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  277.897484]  ? graph_lock+0x170/0x170
[  277.901287]  ? print_usage_bug+0xc0/0xc0
[  277.905359]  ? graph_lock+0x170/0x170
[  277.909153]  ? graph_lock+0x170/0x170
[  277.912989]  ? handle_mm_fault+0x42a/0xc70
[  277.917238]  ? lock_downgrade+0x900/0x900
[  277.921398]  ? check_preemption_disabled+0x48/0x200
[  277.926418]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  277.932220]  ? kasan_check_read+0x11/0x20
[  277.936371]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  277.941647]  ? rcu_bh_qs+0xc0/0xc0
[  277.945207]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  277.950690]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.956235]  ? check_preemption_disabled+0x48/0x200
[  277.961261]  handle_mm_fault+0x54f/0xc70
[  277.965336]  ? __handle_mm_fault+0x53e0/0x53e0
[  277.969925]  ? find_vma+0x34/0x190
[  277.973476]  __do_page_fault+0x67d/0xed0
[  277.977634]  ? mm_fault_error+0x380/0x380
[  277.981787]  ? syscall_slow_exit_work+0x520/0x520
[  277.986634]  do_page_fault+0xf2/0x7e0
[  277.990439]  ? vmalloc_sync_all+0x30/0x30
[  277.994588]  ? error_entry+0x70/0xd0
[  277.998350]  ? trace_hardirqs_off_caller+0xbb/0x300
[  278.003368]  ? trace_hardirqs_on_caller+0xc0/0x300
[  278.008303]  ? syscall_return_slowpath+0x5e0/0x5e0
[  278.013249]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.018179]  ? trace_hardirqs_off+0x300/0x300
[  278.022672]  ? trace_hardirqs_off_caller+0x300/0x300
[  278.027792]  ? prepare_exit_to_usermode+0x291/0x3b0
[  278.032823]  ? page_fault+0x8/0x30
[  278.036385]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.041248]  ? page_fault+0x8/0x30
[  278.044789]  page_fault+0x1e/0x30
[  278.048246] RIP: 0033:0x45db60
[  278.051462] Code: Bad RIP value.
[  278.054827] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  278.060193] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  278.067478] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  278.074752] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  278.082025] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  278.089319] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  278.096615] warn_alloc_show_mem: 1 callbacks suppressed
[  278.096629] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  278.096631] Mem-Info:
[  278.096664] active_anon:41581 inactive_anon:372 isolated_anon:0
[  278.096664]  active_file:17 inactive_file:16 isolated_file:0
[  278.096664]  unevictable:0 dirty:0 writeback:0 unstable:0
[  278.096664]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  278.096664]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  278.096664]  free:13699 free_pcp:281 free_cma:0
[  278.102013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  278.109248] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  278.111643] Call Trace:
[  278.144531] Node 0 
[  278.153909]  <IRQ>
[  278.181530] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  278.184110]  dump_stack+0x1c4/0x2b4
[  278.186338] lowmem_reserve[]: 0
[  278.188521]  ? dump_stack_print_info.cold.2+0x52/0x52
[  278.214004]  2817 6321
[  278.217687]  warn_alloc.cold.118+0xb7/0x1bd
[  278.220919]  6321
[  278.226135]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  278.228622] Node 0 
[  278.232963]  ? lock_downgrade+0x900/0x900
[  278.235018] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  278.239858]  ? trace_hardirqs_off+0xb8/0x300
[  278.242075] lowmem_reserve[]: 0
[  278.246230]  ? trace_hardirqs_off+0xb8/0x300
[  278.273206]  0
[  278.277661]  __alloc_pages_slowpath+0x2667/0x2d80
[  278.280896]  3503 3503
[  278.285342]  ? warn_alloc+0x120/0x120
[  278.287095] Node 0 
[  278.291949]  ? trace_hardirqs_on+0x310/0x310
[  278.294468] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  278.298280]  ? warn_alloc+0x120/0x120
[  278.300494] lowmem_reserve[]:
[  278.304928]  ? print_usage_bug+0xc0/0xc0
[  278.333301]  0
[  278.337126]  ? warn_alloc+0x120/0x120
[  278.340202]  0
[  278.344266]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  278.346035]  0 0
[  278.349851]  ? print_usage_bug+0xc0/0xc0
[  278.356643]  ? __lock_acquire+0x7ec/0x4ec0
[  278.358597] Node 0 
[  278.362654]  ? __lock_acquire+0x7ec/0x4ec0
[  278.366868] DMA: 
[  278.369113]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.373338] 1*4kB 
[  278.375413]  ? should_fail+0x22d/0xd01
[  278.380928] (U) 
[  278.383079]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.386943] 0*8kB 
[  278.388919]  ? __lock_acquire+0x7ec/0x4ec0
[  278.393999] 0*16kB 
[  278.396163]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.400382] 1*32kB 
[  278.402619]  ? __lock_acquire+0x7ec/0x4ec0
[  278.407695] (U) 
[  278.409978]  ? should_fail+0x22d/0xd01
[  278.414192] 2*64kB (U) 
[  278.416187]  ? print_usage_bug+0xc0/0xc0
[  278.420052] 1*128kB 
[  278.422640]  ? mark_held_locks+0x130/0x130
[  278.426670] (U) 
[  278.428994]  ? mark_held_locks+0x130/0x130
[  278.433208] 1*256kB 
[  278.435196]  ? graph_lock+0x170/0x170
[  278.439386] (U) 0*512kB 
[  278.441731]  ? print_usage_bug+0xc0/0xc0
[  278.445498] 1*1024kB 
[  278.448172]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  278.452204] (U) 
[  278.454613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.459335] 1*2048kB (M) 
[  278.461321]  ? check_preemption_disabled+0x48/0x200
[  278.466832] 3*4096kB 
[  278.469598]  ? check_preemption_disabled+0x48/0x200
[  278.474590] (M) 
[  278.477010]  ? __lock_is_held+0xb5/0x140
[  278.481994] = 15908kB
[  278.483974]  __alloc_pages_nodemask+0xa80/0xde0
[  278.488026] Node 0 
[  278.490434]  ? graph_lock+0x170/0x170
[  278.495078] DMA32: 2*4kB 
[  278.497318]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  278.501109] (M) 
[  278.503859]  ? graph_lock+0x170/0x170
[  278.508856] 1*8kB (U) 
[  278.510852]  ? find_held_lock+0x36/0x1c0
[  278.514623] 3*16kB 
[  278.517122]  ? ____cache_alloc_node+0x1c7/0x1e0
[  278.521152] (M) 
[  278.523388]  ? lock_downgrade+0x900/0x900
[  278.528053] 1*32kB 
[  278.530030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.534148] (M) 
[  278.536382]  cache_grow_begin+0x91/0x8c0
[  278.541890] 3*64kB (UM) 
[  278.543876]  ? do_raw_spin_unlock+0xa7/0x2f0
[  278.547912] 3*128kB 
[  278.550619]  fallback_alloc+0x203/0x2e0
[  278.555015] (M) 
[  278.557354]  ____cache_alloc_node+0x1c7/0x1e0
[  278.561305] 3*256kB 
[  278.563280]  kmem_cache_alloc_node+0xe3/0x730
[  278.567751] (UM) 
[  278.570076]  ? ipv6_get_ifaddr+0x42e/0x620
[  278.574546] 4*512kB 
[  278.576636]  __alloc_skb+0x119/0x770
[  278.580842] (UM) 
[  278.583168]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  278.586857] 3*1024kB (M) 
[  278.588931]  ? skb_scrub_packet+0x490/0x490
[  278.594190] 1*2048kB 
[  278.596948]  ? lock_downgrade+0x900/0x900
[  278.601269] (U) 
[  278.603691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.607814] 4*4096kB 
[  278.609790]  ? refcount_sub_and_test_checked+0x203/0x310
[  278.615301] (M) 
[  278.617708]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  278.623135] = 24992kB
[  278.623144] Node 0 
[  278.625130]  ? addrconf_rs_timer+0x6f0/0x6f0
[  278.630569] Normal: 
[  278.632988]  ndisc_alloc_skb+0x144/0x340
[  278.635193] 882*4kB 
[  278.639597]  ndisc_send_rs+0x331/0x6e0
[  278.641908] (UME) 
[  278.645967]  addrconf_rs_timer+0x3c0/0x6f0
[  278.648269] 426*8kB 
[  278.652150]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.654274] (MEH) 175*16kB 
[  278.658529]  call_timer_fn+0x272/0x920
[  278.660823] (UME) 
[  278.665053]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.667991] 71*32kB 
[  278.671878]  ? process_timeout+0x40/0x40
[  278.674002] (UMEH) 
[  278.678235]  ? find_held_lock+0x36/0x1c0
[  278.680543] 10*64kB 
[  278.684619]  ? __run_timers+0x7da/0xc70
[  278.686827] (UMH) 2*128kB 
[  278.690900]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.693201] (H) 
[  278.697172]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.699997] 0*256kB 
[  278.704488]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.706449] 2*512kB 
[  278.710941]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  278.713245] (UH) 
[  278.717473]  ? trace_hardirqs_on+0xbd/0x310
[  278.719773] 0*1024kB 
[  278.724365]  ? kasan_check_read+0x11/0x20
[  278.726417] 0*2048kB 
[  278.730741]  ? __run_timers+0x7da/0xc70
[  278.733299] 0*4096kB = 13928kB
[  278.737481]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  278.739876] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  278.743843]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.747018] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  278.752476]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.761293] 412 total pagecache pages
[  278.765615]  __run_timers+0x7e5/0xc70
[  278.774175] 0 pages in swap cache
[  278.778410]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  278.782178] Swap cache stats: add 0, delete 0, find 0/0
[  278.782187] Free swap  = 0kB
[  278.785982]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  278.789409] Total swap = 0kB
[  278.794769]  ? graph_lock+0x170/0x170
[  278.800115] 1965979 pages RAM
[  278.803150]  ? enqueue_hrtimer+0x1a5/0x560
[  278.808139] 0 pages HighMem/MovableOnly
[  278.808149] 342744 pages reserved
[  278.811162]  ? lock_release+0x970/0x970
[  278.814943] 0 pages cma reserved
[  278.818067]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  278.822362] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  278.826262]  ? find_held_lock+0x36/0x1c0
[  278.826281]  ? graph_lock+0x170/0x170
[  278.826298]  ? pvclock_read_flags+0x160/0x160
[  278.829798] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  278.833719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.837074] syz-fuzzer cpuset=
[  278.842282]  ? check_preemption_disabled+0x48/0x200
[  278.848749] /
[  278.852812]  ? __lock_is_held+0xb5/0x140
[  278.856586]  mems_allowed=0
[  278.861073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.899782]  ? check_preemption_disabled+0x48/0x200
[  278.904827]  run_timer_softirq+0x52/0xb0
[  278.908891]  ? rcu_read_lock_sched_held+0x108/0x120
[  278.913913]  __do_softirq+0x30b/0xad8
[  278.917745]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  278.922858]  ? pvclock_read_flags+0x160/0x160
[  278.927372]  ? lapic_next_event+0x5a/0x90
[  278.931539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.937079]  ? check_preemption_disabled+0x48/0x200
[  278.942097]  ? check_preemption_disabled+0x48/0x200
[  278.947119]  ? kvm_clock_read+0x18/0x30
[  278.951097]  ? kvm_sched_clock_read+0x9/0x20
[  278.955533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.961069]  ? check_preemption_disabled+0x48/0x200
[  278.966109]  irq_exit+0x17f/0x1c0
[  278.969565]  smp_apic_timer_interrupt+0x1cb/0x760
[  278.974407]  ? smp_reschedule_interrupt+0x109/0x650
[  278.979463]  ? smp_call_function_single_interrupt+0x650/0x650
[  278.985362]  ? interrupt_entry+0xb5/0xf0
[  278.989445]  ? trace_hardirqs_off_caller+0xbb/0x300
[  278.994462]  ? trace_hardirqs_off_caller+0xbb/0x300
[  278.999480]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.004331]  ? trace_hardirqs_off+0x300/0x300
[  279.008826]  ? trace_hardirqs_off+0x300/0x300
[  279.013322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.018882]  ? check_preemption_disabled+0x48/0x200
[  279.023895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.029446]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.034301]  apic_timer_interrupt+0xf/0x20
[  279.038544]  </IRQ>
[  279.040786] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  279.045718] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  279.064676] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  279.072398] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  279.079693] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  279.086965] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  279.094232] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  279.101498] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  279.108805]  skb_clone+0x1bb/0x500
[  279.112347]  ? finish_task_switch+0x2f5/0x900
[  279.116841]  ? skb_split+0x11e0/0x11e0
[  279.120737]  ? preempt_notifier_register+0x200/0x200
[  279.125844]  ? __switch_to_asm+0x34/0x70
[  279.129908]  ? __switch_to_asm+0x34/0x70
[  279.133977]  ? __switch_to_asm+0x40/0x70
[  279.138052]  ? __switch_to_asm+0x34/0x70
[  279.142113]  ? __switch_to_asm+0x40/0x70
[  279.146187]  ? __switch_to_asm+0x34/0x70
[  279.150257]  ? __switch_to_asm+0x40/0x70
[  279.154322]  ? __switch_to_asm+0x34/0x70
[  279.158398]  ? __switch_to_asm+0x34/0x70
[  279.162465]  ? __switch_to_asm+0x40/0x70
[  279.166523]  ? __switch_to_asm+0x34/0x70
[  279.170611]  bpf_clone_redirect+0xb9/0x490
[  279.174849]  ? __schedule+0x874/0x1ed0
[  279.178766]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  279.183799]  ? __sched_text_start+0x8/0x8
[  279.187958]  ? lockdep_hardirqs_on+0x421/0x5c0
[  279.192557]  ? retint_kernel+0x2d/0x2d
[  279.196463]  ? trace_hardirqs_on_caller+0xc0/0x300
[  279.201396]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  279.206155]  ? find_held_lock+0x36/0x1c0
[  279.210224]  ? lock_acquire+0x1ed/0x520
[  279.214200]  ? bpf_test_run+0x32e/0x5a0
[  279.218176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.223717]  ? check_preemption_disabled+0x48/0x200
[  279.228753]  ? kasan_check_read+0x11/0x20
[  279.232907]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  279.238185]  ? rcu_bh_qs+0xc0/0xc0
[  279.241736]  ? preempt_schedule+0x4d/0x60
[  279.245888]  ? ___preempt_schedule+0x16/0x18
[  279.250310]  ? bpf_test_run+0x1c0/0x5a0
[  279.254301]  ? netlink_diag_dump+0x2a0/0x2a0
[  279.258712]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.264262]  ? bpf_test_init.isra.9+0x70/0x100
[  279.268848]  ? bpf_prog_test_run_skb+0x634/0xb40
[  279.273611]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  279.278479]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  279.284042]  ? fput+0x130/0x1a0
[  279.287339]  ? __bpf_prog_get+0x9b/0x290
[  279.291400]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  279.296247]  ? bpf_prog_test_run+0x130/0x1a0
[  279.300660]  ? __x64_sys_bpf+0x3d8/0x510
[  279.304720]  ? bpf_prog_get+0x20/0x20
[  279.308539]  ? ksys_ioctl+0x81/0xd0
[  279.312190]  ? do_syscall_64+0x1b9/0x820
[  279.316265]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  279.321635]  ? syscall_return_slowpath+0x5e0/0x5e0
[  279.326587]  ? trace_hardirqs_off+0x300/0x300
[  279.331130]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  279.336147]  ? recalc_sigpending_tsk+0x180/0x180
[  279.340904]  ? kasan_check_write+0x14/0x20
[  279.345144]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.350004]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  279.355388] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  279.355499] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  279.362362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  279.362371] Call Trace:
[  279.368983] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  279.378207]  <IRQ>
[  279.380784] syz-executor4 cpuset=
[  279.391265]  dump_stack+0x1c4/0x2b4
[  279.393397] syz4
[  279.396844]  ? dump_stack_print_info.cold.2+0x52/0x52
[  279.400453]  mems_allowed=0
[  279.402428]  warn_alloc.cold.118+0xb7/0x1bd
[  279.414838]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  279.419683]  ? lock_downgrade+0x900/0x900
[  279.423853]  ? trace_hardirqs_off+0xb8/0x300
[  279.428267]  ? trace_hardirqs_off+0xb8/0x300
[  279.432690]  __alloc_pages_slowpath+0x2667/0x2d80
[  279.437602]  ? warn_alloc+0x120/0x120
[  279.441413]  ? warn_alloc+0x120/0x120
[  279.445219]  ? print_usage_bug+0xc0/0xc0
[  279.449289]  ? warn_alloc+0x120/0x120
[  279.453090]  ? print_usage_bug+0xc0/0xc0
[  279.457153]  ? __lock_acquire+0x7ec/0x4ec0
[  279.461432]  ? __lock_acquire+0x7ec/0x4ec0
[  279.465672]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.471214]  ? should_fail+0x22d/0xd01
[  279.475112]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.480213]  ? __lock_acquire+0x7ec/0x4ec0
[  279.484460]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.489563]  ? __lock_acquire+0x7ec/0x4ec0
[  279.493796]  ? should_fail+0x22d/0xd01
[  279.497693]  ? mark_held_locks+0x130/0x130
[  279.501931]  ? mark_held_locks+0x130/0x130
[  279.506206]  ? graph_lock+0x170/0x170
[  279.510011]  ? graph_lock+0x170/0x170
[  279.513842]  ? graph_lock+0x170/0x170
[  279.517656]  ? print_usage_bug+0xc0/0xc0
[  279.521724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.527260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.532804]  ? check_preemption_disabled+0x48/0x200
[  279.537818]  ? check_preemption_disabled+0x48/0x200
[  279.542842]  ? __lock_is_held+0xb5/0x140
[  279.546916]  __alloc_pages_nodemask+0xa80/0xde0
[  279.551590]  ? graph_lock+0x170/0x170
[  279.555432]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  279.560458]  ? graph_lock+0x170/0x170
[  279.564280]  ? find_held_lock+0x36/0x1c0
[  279.568365]  ? ____cache_alloc_node+0x1c7/0x1e0
[  279.573035]  ? lock_downgrade+0x900/0x900
[  279.577210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.582774]  cache_grow_begin+0x91/0x8c0
[  279.586837]  ? do_raw_spin_unlock+0xa7/0x2f0
[  279.591271]  fallback_alloc+0x203/0x2e0
[  279.595254]  ____cache_alloc_node+0x1c7/0x1e0
[  279.599781]  kmem_cache_alloc_node+0xe3/0x730
[  279.604280]  ? ipv6_get_ifaddr+0x42e/0x620
[  279.608529]  __alloc_skb+0x119/0x770
[  279.612248]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  279.617527]  ? skb_scrub_packet+0x490/0x490
[  279.621848]  ? lock_downgrade+0x900/0x900
[  279.626034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.631592]  ? refcount_sub_and_test_checked+0x203/0x310
[  279.637045]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  279.642515]  ? addrconf_rs_timer+0x6f0/0x6f0
[  279.646940]  ndisc_alloc_skb+0x144/0x340
[  279.651011]  ndisc_send_rs+0x331/0x6e0
[  279.654920]  addrconf_rs_timer+0x3c0/0x6f0
[  279.659181]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.663452]  call_timer_fn+0x272/0x920
[  279.667341]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.671578]  ? process_timeout+0x40/0x40
[  279.675641]  ? find_held_lock+0x36/0x1c0
[  279.679713]  ? mark_held_locks+0xc7/0x130
[  279.683866]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.688361]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.692855]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.697090]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  279.701680]  ? trace_hardirqs_on+0xbd/0x310
[  279.706007]  ? kasan_check_read+0x11/0x20
[  279.710162]  ? __run_timers+0x7da/0xc70
[  279.714139]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  279.719609]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.723863]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.728098]  __run_timers+0x7e5/0xc70
[  279.731918]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  279.737286]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  279.742304]  ? graph_lock+0x170/0x170
[  279.746110]  ? print_usage_bug+0xc0/0xc0
[  279.750175]  ? lock_release+0x970/0x970
[  279.754160]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  279.759357]  ? find_held_lock+0x36/0x1c0
[  279.763419]  ? graph_lock+0x170/0x170
[  279.767220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.772772]  ? check_preemption_disabled+0x48/0x200
[  279.777827]  ? __lock_is_held+0xb5/0x140
[  279.781908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.787451]  ? check_preemption_disabled+0x48/0x200
[  279.792501]  run_timer_softirq+0x52/0xb0
[  279.796564]  ? rcu_read_lock_sched_held+0x108/0x120
[  279.801600]  __do_softirq+0x30b/0xad8
[  279.805414]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  279.810527]  ? pvclock_read_flags+0x160/0x160
[  279.815034]  ? lapic_next_event+0x5a/0x90
[  279.819180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.824724]  ? check_preemption_disabled+0x48/0x200
[  279.829739]  ? check_preemption_disabled+0x48/0x200
[  279.834775]  ? kvm_clock_read+0x18/0x30
[  279.838771]  ? kvm_sched_clock_read+0x9/0x20
[  279.843686]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.849232]  ? check_preemption_disabled+0x48/0x200
[  279.854272]  irq_exit+0x17f/0x1c0
[  279.857744]  smp_apic_timer_interrupt+0x1cb/0x760
[  279.862588]  ? smp_reschedule_interrupt+0x109/0x650
[  279.867607]  ? smp_call_function_single_interrupt+0x650/0x650
[  279.873494]  ? interrupt_entry+0xb5/0xf0
[  279.877568]  ? trace_hardirqs_off_caller+0xbb/0x300
[  279.883115]  ? trace_hardirqs_off_caller+0xbb/0x300
[  279.888147]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.892987]  ? trace_hardirqs_off+0x300/0x300
[  279.897489]  ? trace_hardirqs_off+0x300/0x300
[  279.901984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.907519]  ? check_preemption_disabled+0x48/0x200
[  279.912536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.918087]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.922940]  apic_timer_interrupt+0xf/0x20
[  279.927168]  </IRQ>
[  279.929404] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  279.934685] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  279.953603] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  279.961323] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  279.968585] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  279.975865] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  279.983125] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  279.990384] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  279.997667]  ? arch_local_irq_restore+0x45/0x52
[  280.002360]  dump_stack+0x26a/0x2b4
[  280.005998]  ? dump_stack_print_info.cold.2+0x52/0x52
[  280.011187]  ? mark_held_locks+0x130/0x130
[  280.015423]  ? mark_held_locks+0x130/0x130
[  280.019672]  dump_header+0x27b/0xf72
[  280.023396]  ? pagefault_out_of_memory+0x197/0x197
[  280.028324]  ? mark_held_locks+0x130/0x130
[  280.032558]  ? __lock_acquire+0x7ec/0x4ec0
[  280.036791]  ? mem_cgroup_charge_statistics+0x780/0x780
[  280.042148]  ? print_usage_bug+0xc0/0xc0
[  280.046204]  ? print_usage_bug+0xc0/0xc0
[  280.050283]  ? graph_lock+0x170/0x170
[  280.054086]  ? graph_lock+0x170/0x170
[  280.057930]  ? print_usage_bug+0xc0/0xc0
[  280.061985]  ? print_usage_bug+0xc0/0xc0
[  280.066050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.071587]  ? find_held_lock+0x36/0x1c0
[  280.075650]  ? mark_held_locks+0xc7/0x130
[  280.079797]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  280.084909]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  280.090036]  ? lockdep_hardirqs_on+0x421/0x5c0
[  280.094621]  ? trace_hardirqs_on+0xbd/0x310
[  280.098944]  ? kasan_check_read+0x11/0x20
[  280.103092]  ? ___ratelimit+0x36f/0x655
[  280.107068]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  280.112534]  ? trace_hardirqs_on+0x310/0x310
[  280.116944]  ? lock_downgrade+0x900/0x900
[  280.121099]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  280.126216]  ? ___ratelimit+0xaa/0x655
[  280.130125]  ? idr_get_free+0xec0/0xec0
[  280.134104]  ? kasan_check_write+0x14/0x20
[  280.138342]  ? do_raw_spin_lock+0xc1/0x200
[  280.142588]  oom_kill_process.cold.27+0x10/0x903
[  280.147346]  ? graph_lock+0x170/0x170
[  280.151149]  ? _raw_spin_unlock+0x2c/0x50
[  280.155297]  ? oom_badness+0xe6/0xaa0
[  280.159145]  ? oom_evaluate_task+0x540/0x540
[  280.163557]  ? find_held_lock+0x36/0x1c0
[  280.167639]  ? out_of_memory+0x974/0x14c0
[  280.171800]  ? lock_downgrade+0x900/0x900
[  280.175952]  ? check_preemption_disabled+0x48/0x200
[  280.180977]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  280.186801]  ? kasan_check_read+0x11/0x20
[  280.190950]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  280.196237]  ? rcu_bh_qs+0xc0/0xc0
[  280.199795]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  280.204822]  ? oom_evaluate_task+0x302/0x540
[  280.209241]  out_of_memory+0xa86/0x14c0
[  280.213235]  ? oom_killer_disable+0x3a0/0x3a0
[  280.217736]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  280.222676]  ? __mutex_add_waiter+0x2a0/0x2a0
[  280.227201]  __alloc_pages_slowpath+0x2318/0x2d80
[  280.232090]  ? warn_alloc+0x120/0x120
[  280.235896]  ? __radix_tree_lookup+0x4c0/0x4c0
[  280.240494]  ? find_get_entry+0x2f2/0xc40
[  280.244667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.250206]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  280.255143]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.260704]  ? should_fail+0x22d/0xd01
[  280.264599]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.269705]  ? __lock_is_held+0xb5/0x140
[  280.273795]  ? __lock_is_held+0xb5/0x140
[  280.277879]  ? find_held_lock+0x36/0x1c0
[  280.281946]  ? ___might_sleep+0x1ed/0x300
[  280.286092]  ? lock_release+0x970/0x970
[  280.290080]  ? arch_local_save_flags+0x40/0x40
[  280.294738]  ? __might_sleep+0x95/0x190
[  280.298721]  __alloc_pages_nodemask+0xa80/0xde0
[  280.303415]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  280.308450]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  280.314257]  ? kasan_check_read+0x11/0x20
[  280.318417]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  280.323730]  ? graph_lock+0x170/0x170
[  280.327536]  ? print_usage_bug+0xc0/0xc0
[  280.331613]  ? graph_lock+0x170/0x170
[  280.335411]  ? graph_lock+0x170/0x170
[  280.339259]  ? __do_page_cache_readahead+0x7ce/0x980
[  280.344380]  ? find_held_lock+0x36/0x1c0
[  280.348456]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  280.354000]  alloc_pages_current+0x10c/0x210
[  280.358412]  ? lock_downgrade+0x900/0x900
[  280.362584]  __page_cache_alloc+0x38f/0x5b0
[  280.366911]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  280.372749]  ? kasan_check_read+0x11/0x20
[  280.376900]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  280.382184]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  280.386856]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.392396]  ? check_preemption_disabled+0x48/0x200
[  280.397423]  filemap_fault+0x1594/0x25f0
[  280.401518]  ? __lock_page_or_retry+0xa00/0xa00
[  280.406188]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  280.411993]  ? kasan_check_read+0x11/0x20
[  280.416145]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  280.421427]  ? rcu_bh_qs+0xc0/0xc0
[  280.425006]  ? print_usage_bug+0xc0/0xc0
[  280.429078]  ? filemap_map_pages+0xdea/0x1980
[  280.433586]  ? print_usage_bug+0xc0/0xc0
[  280.437656]  ? find_get_pages_range_tag+0x1320/0x1320
[  280.442847]  ? print_usage_bug+0xc0/0xc0
[  280.446911]  ? __lock_acquire+0x7ec/0x4ec0
[  280.451148]  ? graph_lock+0x170/0x170
[  280.454982]  ? __sigqueue_free.part.27+0x7d/0xa0
[  280.459744]  ? __lock_acquire+0x7ec/0x4ec0
[  280.463996]  ? lock_acquire+0x1ed/0x520
[  280.467971]  ? ext4_filemap_fault+0x7a/0xad
[  280.472300]  ? lock_release+0x970/0x970
[  280.476272]  ? arch_local_save_flags+0x40/0x40
[  280.480855]  ? mark_held_locks+0x130/0x130
[  280.485103]  ? down_read+0xb0/0x1d0
[  280.488731]  ? ext4_filemap_fault+0x7a/0xad
[  280.493054]  ? __down_interruptible+0x700/0x700
[  280.497726]  ? graph_lock+0x170/0x170
[  280.501529]  ? __sigqueue_free.part.27+0x7d/0xa0
[  280.506313]  ext4_filemap_fault+0x82/0xad
[  280.510479]  __do_fault+0x100/0x6b0
[  280.514107]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  280.519581]  ? print_bad_pte+0x6c0/0x6c0
[  280.523648]  ? pmd_val+0x88/0x100
[  280.527100]  ? add_mm_counter_fast+0xd0/0xd0
[  280.531523]  ? pmd_val+0x88/0x100
[  280.534990]  ? add_mm_counter_fast+0xd0/0xd0
[  280.539409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.544966]  __handle_mm_fault+0x3709/0x53e0
[  280.549387]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  280.554237]  ? graph_lock+0x170/0x170
[  280.558037]  ? print_usage_bug+0xc0/0xc0
[  280.562122]  ? graph_lock+0x170/0x170
[  280.565944]  ? graph_lock+0x170/0x170
[  280.569785]  ? handle_mm_fault+0x42a/0xc70
[  280.574110]  ? lock_downgrade+0x900/0x900
[  280.578265]  ? check_preemption_disabled+0x48/0x200
[  280.583288]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  280.589108]  ? kasan_check_read+0x11/0x20
[  280.593280]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  280.598559]  ? rcu_bh_qs+0xc0/0xc0
[  280.602104]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  280.607578]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.613129]  ? check_preemption_disabled+0x48/0x200
[  280.618171]  handle_mm_fault+0x54f/0xc70
[  280.622243]  ? __handle_mm_fault+0x53e0/0x53e0
[  280.626840]  ? find_vma+0x34/0x190
[  280.630399]  __do_page_fault+0x67d/0xed0
[  280.634478]  ? mm_fault_error+0x380/0x380
[  280.638638]  ? syscall_slow_exit_work+0x520/0x520
[  280.643486]  do_page_fault+0xf2/0x7e0
[  280.647289]  ? vmalloc_sync_all+0x30/0x30
[  280.651459]  ? error_entry+0x70/0xd0
[  280.655192]  ? trace_hardirqs_off_caller+0xbb/0x300
[  280.660209]  ? trace_hardirqs_on_caller+0xc0/0x300
[  280.665144]  ? syscall_return_slowpath+0x5e0/0x5e0
[  280.670081]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.674929]  ? trace_hardirqs_off+0x300/0x300
[  280.679419]  ? trace_hardirqs_off_caller+0x300/0x300
[  280.684533]  ? prepare_exit_to_usermode+0x291/0x3b0
[  280.689562]  ? page_fault+0x8/0x30
[  280.693108]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.697955]  ? page_fault+0x8/0x30
[  280.701499]  page_fault+0x1e/0x30
[  280.704955] RIP: 0033:0x45db60
[  280.708153] Code: Bad RIP value.
[  280.711524] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  280.716916] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  280.724184] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  280.731455] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  280.738890] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  280.746189] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  280.753509] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  280.753515] warn_alloc_show_mem: 1 callbacks suppressed
[  280.753522] Mem-Info:
[  280.760711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  280.766120] active_anon:41581 inactive_anon:372 isolated_anon:0
[  280.766120]  active_file:17 inactive_file:16 isolated_file:0
[  280.766120]  unevictable:0 dirty:0 writeback:0 unstable:0
[  280.766120]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  280.766120]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  280.766120]  free:13699 free_pcp:281 free_cma:0
[  280.768498] Call Trace:
[  280.777907] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  280.810763]  <IRQ>
[  280.813337] Node 0 
[  280.840937]  dump_stack+0x1c4/0x2b4
[  280.843092] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  280.845299]  ? dump_stack_print_info.cold.2+0x52/0x52
[  280.848894] lowmem_reserve[]: 0
[  280.874410]  warn_alloc.cold.118+0xb7/0x1bd
[  280.879565]  2817
[  280.882852]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  280.887143]  6321 6321
[  280.889221]  ? lock_downgrade+0x900/0x900
[  280.896541]  ? trace_hardirqs_off+0xb8/0x300
[  280.900661] Node 0 DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  280.905107]  ? trace_hardirqs_off+0xb8/0x300
[  280.905131]  __alloc_pages_slowpath+0x2667/0x2d80
[  280.932700] lowmem_reserve[]: 0
[  280.937155]  ? warn_alloc+0x120/0x120
[  280.941941]  0
[  280.945221]  ? trace_hardirqs_on+0x310/0x310
[  280.948996]  3503 3503
[  280.950807]  ? warn_alloc+0x120/0x120
[  280.955196] Node 0 
[  280.957695]  ? print_usage_bug+0xc0/0xc0
[  280.961500] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  280.963709]  ? warn_alloc+0x120/0x120
[  280.967745] lowmem_reserve[]:
[  280.996143]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  280.996187]  ? print_usage_bug+0xc0/0xc0
[  280.999989]  0
[  281.003088]  ? __lock_acquire+0x7ec/0x4ec0
[  281.008093]  0 0
[  281.012189]  ? __lock_acquire+0x7ec/0x4ec0
[  281.013982]  0
[  281.018211]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.024423]  ? should_fail+0x22d/0xd01
[  281.026212] Node 0 
[  281.031766]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.035629] DMA: 
[  281.037859]  ? __lock_acquire+0x7ec/0x4ec0
[  281.042939] 1*4kB 
[  281.044999]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.049207] (U) 
[  281.051354]  ? __lock_acquire+0x7ec/0x4ec0
[  281.056440] 0*8kB 
[  281.058416]  ? should_fail+0x22d/0xd01
[  281.062631] 0*16kB 
[  281.064779]  ? print_usage_bug+0xc0/0xc0
[  281.068637] 1*32kB (U) 
[  281.070939]  ? mark_held_locks+0x130/0x130
[  281.074969] 2*64kB (U) 
[  281.077557]  ? mark_held_locks+0x130/0x130
[  281.081770] 1*128kB 
[  281.084351]  ? graph_lock+0x170/0x170
[  281.088558] (U) 
[  281.090901]  ? print_usage_bug+0xc0/0xc0
[  281.094681] 1*256kB 
[  281.096654]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  281.100702] (U) 
[  281.103032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.107757] 0*512kB 1*1024kB 
[  281.109762]  ? check_preemption_disabled+0x48/0x200
[  281.115271] (U) 
[  281.118384]  ? check_preemption_disabled+0x48/0x200
[  281.123378] 1*2048kB (M) 
[  281.125375]  ? __lock_is_held+0xb5/0x140
[  281.130359] 3*4096kB (M) 
[  281.133128]  __alloc_pages_nodemask+0xa80/0xde0
[  281.137171] = 15908kB
[  281.137180] Node 0 
[  281.139965]  ? graph_lock+0x170/0x170
[  281.144603] DMA32: 2*4kB 
[  281.147042]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  281.149254] (M) 
[  281.153048]  ? graph_lock+0x170/0x170
[  281.155781] 1*8kB (U) 
[  281.160817]  ? find_held_lock+0x36/0x1c0
[  281.162763] 3*16kB (M) 
[  281.166574]  ? ____cache_alloc_node+0x1c7/0x1e0
[  281.169037] 1*32kB (M) 
[  281.173110]  ? lock_downgrade+0x900/0x900
[  281.175667] 3*64kB (UM) 
[  281.180355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.182913] 3*128kB 
[  281.187054]  cache_grow_begin+0x91/0x8c0
[  281.189737] (M) 
[  281.195285]  ? do_raw_spin_unlock+0xa7/0x2f0
[  281.197582] 3*256kB 
[  281.201636]  fallback_alloc+0x203/0x2e0
[  281.203589] (UM) 
[  281.207997]  ____cache_alloc_node+0x1c7/0x1e0
[  281.210309] 4*512kB 
[  281.214277]  kmem_cache_alloc_node+0xe3/0x730
[  281.216313] (UM) 
[  281.220805]  ? ipv6_get_ifaddr+0x42e/0x620
[  281.223102] 3*1024kB (M) 
[  281.227609]  __alloc_skb+0x119/0x770
[  281.229643] 1*2048kB 
[  281.233893]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  281.236628] (U) 
[  281.240341]  ? skb_scrub_packet+0x490/0x490
[  281.242737] 4*4096kB (M) 
[  281.248021]  ? lock_downgrade+0x900/0x900
[  281.249975] = 24992kB
[  281.249984] Node 0 
[  281.254305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.257045] Normal: 882*4kB 
[  281.261203]  ? refcount_sub_and_test_checked+0x203/0x310
[  281.263583] (UME) 426*8kB 
[  281.265852]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  281.271360] (MEH) 175*16kB 
[  281.274392]  ? addrconf_rs_timer+0x6f0/0x6f0
[  281.279808] (UME) 71*32kB 
[  281.282671]  ndisc_alloc_skb+0x144/0x340
[  281.288084] (UMEH) 10*64kB 
[  281.291026]  ndisc_send_rs+0x331/0x6e0
[  281.295408] (UMH) 
[  281.298271]  addrconf_rs_timer+0x3c0/0x6f0
[  281.302304] 2*128kB (H) 
[  281.305257]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.309122] 0*256kB 
[  281.311289]  call_timer_fn+0x272/0x920
[  281.315499] 2*512kB 
[  281.318165]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.322470] (UH) 0*1024kB 
[  281.324803]  ? process_timeout+0x40/0x40
[  281.328678] 0*2048kB 0*4096kB 
[  281.331009]  ? find_held_lock+0x36/0x1c0
[  281.335225] = 13928kB
[  281.338069]  ? __run_timers+0x7da/0xc70
[  281.342112] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  281.345296]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.349345] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  281.351773]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.355725] 412 total pagecache pages
[  281.355745] 0 pages in swap cache
[  281.364577]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.369078] Swap cache stats: add 0, delete 0, find 0/0
[  281.377644]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  281.382117] Free swap  = 0kB
[  281.385917]  ? trace_hardirqs_on+0xbd/0x310
[  281.389358] Total swap = 0kB
[  281.393591]  ? kasan_check_read+0x11/0x20
[  281.398941] 1965979 pages RAM
[  281.403520]  ? __run_timers+0x7da/0xc70
[  281.406522] 0 pages HighMem/MovableOnly
[  281.410840]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  281.413835] 342744 pages reserved
[  281.417981]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.421066] 0 pages cma reserved
[  281.425038]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.429086] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  281.434431]  __run_timers+0x7e5/0xc70
[  281.437976] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  281.442146]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  281.446227] syz-fuzzer cpuset=
[  281.450461]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  281.456932] /
[  281.460734]  ? graph_lock+0x170/0x170
[  281.470935]  mems_allowed=0
[  281.476317]  ? enqueue_hrtimer+0x1a5/0x560
[  281.497163]  ? lock_release+0x970/0x970
[  281.501144]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  281.506345]  ? find_held_lock+0x36/0x1c0
[  281.510412]  ? graph_lock+0x170/0x170
[  281.514220]  ? pvclock_read_flags+0x160/0x160
[  281.518745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.524288]  ? check_preemption_disabled+0x48/0x200
[  281.529316]  ? __lock_is_held+0xb5/0x140
[  281.533377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.538921]  ? check_preemption_disabled+0x48/0x200
[  281.543949]  run_timer_softirq+0x52/0xb0
[  281.548017]  ? rcu_read_lock_sched_held+0x108/0x120
[  281.553037]  __do_softirq+0x30b/0xad8
[  281.556849]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  281.561960]  ? pvclock_read_flags+0x160/0x160
[  281.566460]  ? lapic_next_event+0x5a/0x90
[  281.570614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.576155]  ? check_preemption_disabled+0x48/0x200
[  281.581170]  ? check_preemption_disabled+0x48/0x200
[  281.586197]  ? kvm_clock_read+0x18/0x30
[  281.590171]  ? kvm_sched_clock_read+0x9/0x20
[  281.594596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.600145]  ? check_preemption_disabled+0x48/0x200
[  281.605189]  irq_exit+0x17f/0x1c0
[  281.608650]  smp_apic_timer_interrupt+0x1cb/0x760
[  281.613491]  ? smp_reschedule_interrupt+0x109/0x650
[  281.618517]  ? smp_call_function_single_interrupt+0x650/0x650
[  281.624407]  ? interrupt_entry+0xb5/0xf0
[  281.628491]  ? trace_hardirqs_off_caller+0xbb/0x300
[  281.633516]  ? trace_hardirqs_off_caller+0xbb/0x300
[  281.638534]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.643374]  ? trace_hardirqs_off+0x300/0x300
[  281.647870]  ? trace_hardirqs_off+0x300/0x300
[  281.652378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.657927]  ? check_preemption_disabled+0x48/0x200
[  281.662964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.668515]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.673366]  apic_timer_interrupt+0xf/0x20
[  281.677598]  </IRQ>
[  281.679844] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  281.684777] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  281.703676] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  281.711401] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  281.718667] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  281.725938] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  281.733206] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  281.740481] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  281.747799]  skb_clone+0x1bb/0x500
[  281.751345]  ? finish_task_switch+0x2f5/0x900
[  281.755844]  ? skb_split+0x11e0/0x11e0
[  281.759740]  ? preempt_notifier_register+0x200/0x200
[  281.764850]  ? __switch_to_asm+0x34/0x70
[  281.768913]  ? __switch_to_asm+0x34/0x70
[  281.772972]  ? __switch_to_asm+0x40/0x70
[  281.777042]  ? __switch_to_asm+0x34/0x70
[  281.781107]  ? __switch_to_asm+0x40/0x70
[  281.785165]  ? __switch_to_asm+0x34/0x70
[  281.789221]  ? __switch_to_asm+0x40/0x70
[  281.793283]  ? __switch_to_asm+0x34/0x70
[  281.797347]  ? __switch_to_asm+0x34/0x70
[  281.801407]  ? __switch_to_asm+0x40/0x70
[  281.805469]  ? __switch_to_asm+0x34/0x70
[  281.809542]  bpf_clone_redirect+0xb9/0x490
[  281.813780]  ? __schedule+0x874/0x1ed0
[  281.817673]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  281.822696]  ? __sched_text_start+0x8/0x8
[  281.826879]  ? lockdep_hardirqs_on+0x421/0x5c0
[  281.831470]  ? retint_kernel+0x2d/0x2d
[  281.835364]  ? trace_hardirqs_on_caller+0xc0/0x300
[  281.840482]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  281.845259]  ? find_held_lock+0x36/0x1c0
[  281.849326]  ? lock_acquire+0x1ed/0x520
[  281.853300]  ? bpf_test_run+0x32e/0x5a0
[  281.857275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.862827]  ? check_preemption_disabled+0x48/0x200
[  281.867854]  ? kasan_check_read+0x11/0x20
[  281.872035]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  281.877314]  ? rcu_bh_qs+0xc0/0xc0
[  281.880861]  ? preempt_schedule+0x4d/0x60
[  281.885014]  ? ___preempt_schedule+0x16/0x18
[  281.889436]  ? bpf_test_run+0x1c0/0x5a0
[  281.893435]  ? netlink_diag_dump+0x2a0/0x2a0
[  281.897851]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.903387]  ? bpf_test_init.isra.9+0x70/0x100
[  281.907975]  ? bpf_prog_test_run_skb+0x634/0xb40
[  281.912749]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  281.917604]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  281.923138]  ? fput+0x130/0x1a0
[  281.926419]  ? __bpf_prog_get+0x9b/0x290
[  281.930485]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  281.935350]  ? bpf_prog_test_run+0x130/0x1a0
[  281.939778]  ? __x64_sys_bpf+0x3d8/0x510
[  281.943842]  ? bpf_prog_get+0x20/0x20
[  281.947664]  ? ksys_ioctl+0x81/0xd0
[  281.951305]  ? do_syscall_64+0x1b9/0x820
[  281.955392]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  281.960759]  ? syscall_return_slowpath+0x5e0/0x5e0
[  281.965705]  ? trace_hardirqs_off+0x300/0x300
[  281.970219]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  281.975246]  ? recalc_sigpending_tsk+0x180/0x180
[  281.980004]  ? kasan_check_write+0x14/0x20
[  281.984259]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.989111]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  281.994496] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  281.994599] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  282.001439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  282.001444] Call Trace:
[  282.001451]  <IRQ>
[  282.001492]  dump_stack+0x1c4/0x2b4
[  282.001508]  ? dump_stack_print_info.cold.2+0x52/0x52
[  282.008088] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  282.017386]  warn_alloc.cold.118+0xb7/0x1bd
[  282.019942] syz-executor4 cpuset=
[  282.022088]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  282.025693] syz4
[  282.030883]  ? lock_downgrade+0x900/0x900
[  282.041357]  mems_allowed=0
[  282.045678]  ? trace_hardirqs_off+0xb8/0x300
[  282.067374]  ? trace_hardirqs_off+0xb8/0x300
[  282.071790]  __alloc_pages_slowpath+0x2667/0x2d80
[  282.076674]  ? warn_alloc+0x120/0x120
[  282.080494]  ? trace_hardirqs_on+0x310/0x310
[  282.084906]  ? warn_alloc+0x120/0x120
[  282.088711]  ? print_usage_bug+0xc0/0xc0
[  282.092778]  ? warn_alloc+0x120/0x120
[  282.096592]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  282.101613]  ? print_usage_bug+0xc0/0xc0
[  282.105676]  ? __lock_acquire+0x7ec/0x4ec0
[  282.109961]  ? __lock_acquire+0x7ec/0x4ec0
[  282.114209]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.119755]  ? should_fail+0x22d/0xd01
[  282.123681]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.128785]  ? __lock_acquire+0x7ec/0x4ec0
[  282.133025]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.138129]  ? __lock_acquire+0x7ec/0x4ec0
[  282.142360]  ? should_fail+0x22d/0xd01
[  282.146251]  ? print_usage_bug+0xc0/0xc0
[  282.150335]  ? mark_held_locks+0x130/0x130
[  282.154584]  ? mark_held_locks+0x130/0x130
[  282.158827]  ? graph_lock+0x170/0x170
[  282.162631]  ? print_usage_bug+0xc0/0xc0
[  282.166695]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  282.171469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.177012]  ? check_preemption_disabled+0x48/0x200
[  282.182030]  ? check_preemption_disabled+0x48/0x200
[  282.187061]  ? __lock_is_held+0xb5/0x140
[  282.191150]  __alloc_pages_nodemask+0xa80/0xde0
[  282.195843]  ? graph_lock+0x170/0x170
[  282.199648]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  282.204675]  ? graph_lock+0x170/0x170
[  282.208491]  ? find_held_lock+0x36/0x1c0
[  282.212566]  ? ____cache_alloc_node+0x1c7/0x1e0
[  282.217242]  ? lock_downgrade+0x900/0x900
[  282.221400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.226953]  cache_grow_begin+0x91/0x8c0
[  282.231016]  ? do_raw_spin_unlock+0xa7/0x2f0
[  282.235441]  fallback_alloc+0x203/0x2e0
[  282.239442]  ____cache_alloc_node+0x1c7/0x1e0
[  282.243945]  kmem_cache_alloc_node+0xe3/0x730
[  282.248466]  ? ipv6_get_ifaddr+0x42e/0x620
[  282.252715]  __alloc_skb+0x119/0x770
[  282.256441]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  282.261730]  ? skb_scrub_packet+0x490/0x490
[  282.266053]  ? lock_downgrade+0x900/0x900
[  282.270224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.275767]  ? refcount_sub_and_test_checked+0x203/0x310
[  282.281241]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  282.286719]  ? addrconf_rs_timer+0x6f0/0x6f0
[  282.291144]  ndisc_alloc_skb+0x144/0x340
[  282.295214]  ndisc_send_rs+0x331/0x6e0
[  282.299113]  addrconf_rs_timer+0x3c0/0x6f0
[  282.303354]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.307609]  call_timer_fn+0x272/0x920
[  282.311501]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.315744]  ? process_timeout+0x40/0x40
[  282.319804]  ? find_held_lock+0x36/0x1c0
[  282.323887]  ? mark_held_locks+0xc7/0x130
[  282.328042]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.332538]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.337035]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.341268]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  282.345854]  ? trace_hardirqs_on+0xbd/0x310
[  282.350181]  ? kasan_check_read+0x11/0x20
[  282.354339]  ? __run_timers+0x7da/0xc70
[  282.358314]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  282.363767]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.368006]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.372259]  __run_timers+0x7e5/0xc70
[  282.376100]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  282.381468]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  282.386505]  ? graph_lock+0x170/0x170
[  282.390311]  ? print_usage_bug+0xc0/0xc0
[  282.394393]  ? lock_release+0x970/0x970
[  282.398370]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  282.403566]  ? find_held_lock+0x36/0x1c0
[  282.407645]  ? graph_lock+0x170/0x170
[  282.411455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.416999]  ? check_preemption_disabled+0x48/0x200
[  282.422027]  ? __lock_is_held+0xb5/0x140
[  282.426090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.431644]  ? check_preemption_disabled+0x48/0x200
[  282.436673]  run_timer_softirq+0x52/0xb0
[  282.440736]  ? rcu_read_lock_sched_held+0x108/0x120
[  282.445761]  __do_softirq+0x30b/0xad8
[  282.449587]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  282.454973]  ? pvclock_read_flags+0x160/0x160
[  282.459473]  ? lapic_next_event+0x5a/0x90
[  282.463623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.469163]  ? check_preemption_disabled+0x48/0x200
[  282.474209]  ? check_preemption_disabled+0x48/0x200
[  282.479245]  ? kvm_clock_read+0x18/0x30
[  282.483231]  ? kvm_sched_clock_read+0x9/0x20
[  282.487645]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.493196]  ? check_preemption_disabled+0x48/0x200
[  282.498249]  irq_exit+0x17f/0x1c0
[  282.501706]  smp_apic_timer_interrupt+0x1cb/0x760
[  282.506552]  ? smp_reschedule_interrupt+0x109/0x650
[  282.511571]  ? smp_call_function_single_interrupt+0x650/0x650
[  282.517462]  ? interrupt_entry+0xb5/0xf0
[  282.521529]  ? trace_hardirqs_off_caller+0xbb/0x300
[  282.526544]  ? trace_hardirqs_off_caller+0xbb/0x300
[  282.531561]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.536407]  ? trace_hardirqs_off+0x300/0x300
[  282.540907]  ? trace_hardirqs_off+0x300/0x300
[  282.545403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.550955]  ? check_preemption_disabled+0x48/0x200
[  282.555971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.561530]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.566382]  apic_timer_interrupt+0xf/0x20
[  282.570610]  </IRQ>
[  282.572849] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  282.578129] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  282.597028] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  282.604749] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  282.612015] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  282.619285] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  282.626551] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  282.633818] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  282.641138]  ? arch_local_irq_restore+0x45/0x52
[  282.645848]  dump_stack+0x26a/0x2b4
[  282.649502]  ? dump_stack_print_info.cold.2+0x52/0x52
[  282.654710]  ? mark_held_locks+0x130/0x130
[  282.658948]  ? mark_held_locks+0x130/0x130
[  282.663188]  dump_header+0x27b/0xf72
[  282.666926]  ? pagefault_out_of_memory+0x197/0x197
[  282.671860]  ? mark_held_locks+0x130/0x130
[  282.676099]  ? __lock_acquire+0x7ec/0x4ec0
[  282.680351]  ? mem_cgroup_charge_statistics+0x780/0x780
[  282.685719]  ? print_usage_bug+0xc0/0xc0
[  282.689795]  ? print_usage_bug+0xc0/0xc0
[  282.693866]  ? graph_lock+0x170/0x170
[  282.697669]  ? graph_lock+0x170/0x170
[  282.701474]  ? print_usage_bug+0xc0/0xc0
[  282.705538]  ? print_usage_bug+0xc0/0xc0
[  282.709610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.715192]  ? find_held_lock+0x36/0x1c0
[  282.719268]  ? mark_held_locks+0xc7/0x130
[  282.723432]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  282.728534]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  282.733855]  ? lockdep_hardirqs_on+0x421/0x5c0
[  282.738456]  ? trace_hardirqs_on+0xbd/0x310
[  282.742782]  ? kasan_check_read+0x11/0x20
[  282.746934]  ? ___ratelimit+0x36f/0x655
[  282.750924]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  282.756387]  ? trace_hardirqs_on+0x310/0x310
[  282.760812]  ? lock_downgrade+0x900/0x900
[  282.764972]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  282.770115]  ? ___ratelimit+0xaa/0x655
[  282.774005]  ? idr_get_free+0xec0/0xec0
[  282.777982]  ? kasan_check_write+0x14/0x20
[  282.782226]  ? do_raw_spin_lock+0xc1/0x200
[  282.786474]  oom_kill_process.cold.27+0x10/0x903
[  282.791242]  ? graph_lock+0x170/0x170
[  282.795042]  ? _raw_spin_unlock+0x2c/0x50
[  282.799187]  ? oom_badness+0xe6/0xaa0
[  282.803002]  ? oom_evaluate_task+0x540/0x540
[  282.807420]  ? find_held_lock+0x36/0x1c0
[  282.811494]  ? out_of_memory+0x974/0x14c0
[  282.815656]  ? lock_downgrade+0x900/0x900
[  282.819812]  ? check_preemption_disabled+0x48/0x200
[  282.824839]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  282.830659]  ? kasan_check_read+0x11/0x20
[  282.834814]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  282.840093]  ? rcu_bh_qs+0xc0/0xc0
[  282.843656]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  282.848695]  ? oom_evaluate_task+0x302/0x540
[  282.853109]  out_of_memory+0xa86/0x14c0
[  282.857093]  ? oom_killer_disable+0x3a0/0x3a0
[  282.861592]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  282.866525]  ? __mutex_add_waiter+0x2a0/0x2a0
[  282.871031]  __alloc_pages_slowpath+0x2318/0x2d80
[  282.875911]  ? warn_alloc+0x120/0x120
[  282.879715]  ? __radix_tree_lookup+0x4c0/0x4c0
[  282.884313]  ? find_get_entry+0x2f2/0xc40
[  282.888477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.894022]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  282.898950]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.904494]  ? should_fail+0x22d/0xd01
[  282.908391]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.913501]  ? __lock_is_held+0xb5/0x140
[  282.917619]  ? __lock_is_held+0xb5/0x140
[  282.921693]  ? find_held_lock+0x36/0x1c0
[  282.925762]  ? ___might_sleep+0x1ed/0x300
[  282.930090]  ? lock_release+0x970/0x970
[  282.934067]  ? arch_local_save_flags+0x40/0x40
[  282.938660]  ? __might_sleep+0x95/0x190
[  282.942637]  __alloc_pages_nodemask+0xa80/0xde0
[  282.947325]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  282.952359]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  282.958161]  ? kasan_check_read+0x11/0x20
[  282.962328]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  282.967697]  ? graph_lock+0x170/0x170
[  282.971505]  ? print_usage_bug+0xc0/0xc0
[  282.975592]  ? graph_lock+0x170/0x170
[  282.979387]  ? graph_lock+0x170/0x170
[  282.983185]  ? __do_page_cache_readahead+0x7ce/0x980
[  282.988290]  ? find_held_lock+0x36/0x1c0
[  282.992368]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  282.997904]  alloc_pages_current+0x10c/0x210
[  283.002306]  ? lock_downgrade+0x900/0x900
[  283.006506]  __page_cache_alloc+0x38f/0x5b0
[  283.010839]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  283.016635]  ? kasan_check_read+0x11/0x20
[  283.020793]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  283.026072]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  283.030739]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.036279]  ? check_preemption_disabled+0x48/0x200
[  283.041299]  filemap_fault+0x1594/0x25f0
[  283.045371]  ? __lock_page_or_retry+0xa00/0xa00
[  283.050039]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  283.055837]  ? kasan_check_read+0x11/0x20
[  283.059984]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  283.065261]  ? rcu_bh_qs+0xc0/0xc0
[  283.068804]  ? print_usage_bug+0xc0/0xc0
[  283.072868]  ? filemap_map_pages+0xdea/0x1980
[  283.077371]  ? print_usage_bug+0xc0/0xc0
[  283.081453]  ? find_get_pages_range_tag+0x1320/0x1320
[  283.086639]  ? print_usage_bug+0xc0/0xc0
[  283.090694]  ? __lock_acquire+0x7ec/0x4ec0
[  283.094931]  ? graph_lock+0x170/0x170
[  283.098747]  ? __sigqueue_free.part.27+0x7d/0xa0
[  283.103537]  ? __lock_acquire+0x7ec/0x4ec0
[  283.107794]  ? lock_acquire+0x1ed/0x520
[  283.111772]  ? ext4_filemap_fault+0x7a/0xad
[  283.116099]  ? lock_release+0x970/0x970
[  283.120081]  ? arch_local_save_flags+0x40/0x40
[  283.124666]  ? mark_held_locks+0x130/0x130
[  283.128926]  ? down_read+0xb0/0x1d0
[  283.132551]  ? ext4_filemap_fault+0x7a/0xad
[  283.136872]  ? __down_interruptible+0x700/0x700
[  283.141542]  ? graph_lock+0x170/0x170
[  283.145357]  ? __sigqueue_free.part.27+0x7d/0xa0
[  283.150124]  ext4_filemap_fault+0x82/0xad
[  283.154288]  __do_fault+0x100/0x6b0
[  283.157927]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  283.163258]  ? print_bad_pte+0x6c0/0x6c0
[  283.167338]  ? pmd_val+0x88/0x100
[  283.170795]  ? add_mm_counter_fast+0xd0/0xd0
[  283.175203]  ? pmd_val+0x88/0x100
[  283.178661]  ? add_mm_counter_fast+0xd0/0xd0
[  283.183086]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.188631]  __handle_mm_fault+0x3709/0x53e0
[  283.193062]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  283.197912]  ? graph_lock+0x170/0x170
[  283.201715]  ? print_usage_bug+0xc0/0xc0
[  283.205794]  ? graph_lock+0x170/0x170
[  283.209596]  ? graph_lock+0x170/0x170
[  283.213417]  ? handle_mm_fault+0x42a/0xc70
[  283.217656]  ? lock_downgrade+0x900/0x900
[  283.221804]  ? check_preemption_disabled+0x48/0x200
[  283.226828]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  283.232626]  ? kasan_check_read+0x11/0x20
[  283.236774]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  283.242050]  ? rcu_bh_qs+0xc0/0xc0
[  283.245588]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  283.251050]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.256599]  ? check_preemption_disabled+0x48/0x200
[  283.261619]  handle_mm_fault+0x54f/0xc70
[  283.265684]  ? __handle_mm_fault+0x53e0/0x53e0
[  283.270269]  ? find_vma+0x34/0x190
[  283.273824]  __do_page_fault+0x67d/0xed0
[  283.277900]  ? mm_fault_error+0x380/0x380
[  283.282056]  ? syscall_slow_exit_work+0x520/0x520
[  283.286905]  do_page_fault+0xf2/0x7e0
[  283.290712]  ? vmalloc_sync_all+0x30/0x30
[  283.294877]  ? error_entry+0x70/0xd0
[  283.298611]  ? trace_hardirqs_off_caller+0xbb/0x300
[  283.303641]  ? trace_hardirqs_on_caller+0xc0/0x300
[  283.308583]  ? syscall_return_slowpath+0x5e0/0x5e0
[  283.313517]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.318362]  ? trace_hardirqs_off+0x300/0x300
[  283.322855]  ? trace_hardirqs_off_caller+0x300/0x300
[  283.327964]  ? prepare_exit_to_usermode+0x291/0x3b0
[  283.333008]  ? page_fault+0x8/0x30
[  283.336551]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.341423]  ? page_fault+0x8/0x30
[  283.344976]  page_fault+0x1e/0x30
[  283.348438] RIP: 0033:0x45db60
[  283.351636] Code: Bad RIP value.
[  283.354998] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  283.360374] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  283.367641] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  283.374906] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  283.382171] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  283.389441] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  283.396764] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  283.396783] warn_alloc_show_mem: 1 callbacks suppressed
[  283.396790] Mem-Info:
[  283.403993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  283.404002] Call Trace:
[  283.409385] active_anon:41581 inactive_anon:372 isolated_anon:0
[  283.409385]  active_file:17 inactive_file:16 isolated_file:0
[  283.409385]  unevictable:0 dirty:0 writeback:0 unstable:0
[  283.409385]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  283.409385]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  283.409385]  free:13699 free_pcp:281 free_cma:0
[  283.411758]  <IRQ>
[  283.421120] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  283.423700]  dump_stack+0x1c4/0x2b4
[  283.456559] Node 0 
[  283.458715]  ? dump_stack_print_info.cold.2+0x52/0x52
[  283.486314] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  283.489930]  warn_alloc.cold.118+0xb7/0x1bd
[  283.492131] lowmem_reserve[]: 0
[  283.497323]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  283.522801]  2817
[  283.527120]  ? lock_downgrade+0x900/0x900
[  283.530368]  6321 6321
[  283.535240]  ? trace_hardirqs_off+0xb8/0x300
[  283.537279] Node 0 
[  283.541425]  ? trace_hardirqs_off+0xb8/0x300
[  283.543935] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  283.548315]  __alloc_pages_slowpath+0x2667/0x2d80
[  283.550519] lowmem_reserve[]: 0
[  283.554954]  ? warn_alloc+0x120/0x120
[  283.586309]  0 3503
[  283.591164]  ? trace_hardirqs_on+0x310/0x310
[  283.594418]  3503
[  283.598219]  ? warn_alloc+0x120/0x120
[  283.600442] Node 0 
[  283.604842]  ? print_usage_bug+0xc0/0xc0
[  283.606934] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  283.610706]  ? warn_alloc+0x120/0x120
[  283.612916] lowmem_reserve[]: 0
[  283.616982]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  283.645325]  0
[  283.649134]  ? print_usage_bug+0xc0/0xc0
[  283.652393]  0
[  283.657401]  ? __lock_acquire+0x7ec/0x4ec0
[  283.659181]  0
[  283.663238]  ? __lock_acquire+0x7ec/0x4ec0
[  283.669274]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.671056] Node 0 
[  283.675290]  ? should_fail+0x22d/0xd01
[  283.680803] DMA: 
[  283.683038]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.686901] 1*4kB 
[  283.688959]  ? __lock_acquire+0x7ec/0x4ec0
[  283.694039] (U) 
[  283.696196]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.700407] 0*8kB 
[  283.702379]  ? __lock_acquire+0x7ec/0x4ec0
[  283.707486] 0*16kB 
[  283.709632]  ? should_fail+0x22d/0xd01
[  283.713845] 1*32kB 
[  283.716108]  ? print_usage_bug+0xc0/0xc0
[  283.719972] (U) 
[  283.722207]  ? mark_held_locks+0x130/0x130
[  283.726247] 2*64kB 
[  283.728226]  ? mark_held_locks+0x130/0x130
[  283.732434] (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  283.732479] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 3*16kB (M) 1*32kB (M) 3*64kB (UM) 3*128kB (M) 3*256kB (UM) 4*512kB (UM) 3*1024kB (M) 1*2048kB (U) 4*4096kB (M) = 24992kB
[  283.732539] Node 0 Normal: 882*4kB (UME) 426*8kB (MEH) 175*16kB (UME) 71*32kB (UMEH) 10*64kB (UMH) 2*128kB (H) 0*256kB 2*512kB (UH) 0*1024kB 0*2048kB 0*4096kB = 13928kB
[  283.732596] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  283.732602] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  283.732605] 412 total pagecache pages
[  283.732615] 0 pages in swap cache
[  283.732620] Swap cache stats: add 0, delete 0, find 0/0
[  283.732622] Free swap  = 0kB
[  283.732625] Total swap = 0kB
[  283.732629] 1965979 pages RAM
[  283.732632] 0 pages HighMem/MovableOnly
[  283.732634] 342744 pages reserved
[  283.732637] 0 pages cma reserved
[  283.732697] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  283.732762] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  283.734988]  ? graph_lock+0x170/0x170
[  283.739199] syz-fuzzer cpuset=
[  283.748119]  ? print_usage_bug+0xc0/0xc0
[  283.763107] /
[  283.778276]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  283.787090]  mems_allowed=0
[  283.795682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.870841]  ? check_preemption_disabled+0x48/0x200
[  283.875857]  ? check_preemption_disabled+0x48/0x200
[  283.880885]  ? __lock_is_held+0xb5/0x140
[  283.884977]  __alloc_pages_nodemask+0xa80/0xde0
[  283.889658]  ? graph_lock+0x170/0x170
[  283.893466]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  283.898479]  ? graph_lock+0x170/0x170
[  283.902296]  ? find_held_lock+0x36/0x1c0
[  283.906391]  ? ____cache_alloc_node+0x1c7/0x1e0
[  283.911060]  ? lock_downgrade+0x900/0x900
[  283.915227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.920771]  cache_grow_begin+0x91/0x8c0
[  283.924833]  ? do_raw_spin_unlock+0xa7/0x2f0
[  283.929263]  fallback_alloc+0x203/0x2e0
[  283.933247]  ____cache_alloc_node+0x1c7/0x1e0
[  283.937751]  kmem_cache_alloc_node+0xe3/0x730
[  283.942255]  ? ipv6_get_ifaddr+0x42e/0x620
[  283.946500]  __alloc_skb+0x119/0x770
[  283.950215]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  283.955494]  ? skb_scrub_packet+0x490/0x490
[  283.959816]  ? lock_downgrade+0x900/0x900
[  283.963971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.969518]  ? refcount_sub_and_test_checked+0x203/0x310
[  283.974973]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  283.980439]  ? addrconf_rs_timer+0x6f0/0x6f0
[  283.984865]  ndisc_alloc_skb+0x144/0x340
[  283.988930]  ndisc_send_rs+0x331/0x6e0
[  283.992823]  addrconf_rs_timer+0x3c0/0x6f0
[  283.997062]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.001327]  call_timer_fn+0x272/0x920
[  284.005212]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.009445]  ? process_timeout+0x40/0x40
[  284.013502]  ? find_held_lock+0x36/0x1c0
[  284.017568]  ? __run_timers+0x7da/0xc70
[  284.021541]  ? _raw_spin_unlock_irq+0x27/0x80
[  284.026046]  ? _raw_spin_unlock_irq+0x27/0x80
[  284.030557]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.034799]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  284.039394]  ? trace_hardirqs_on+0xbd/0x310
[  284.043722]  ? kasan_check_read+0x11/0x20
[  284.047871]  ? __run_timers+0x7da/0xc70
[  284.051842]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  284.057294]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.061546]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.065785]  __run_timers+0x7e5/0xc70
[  284.069599]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  284.074968]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  284.079996]  ? graph_lock+0x170/0x170
[  284.083802]  ? enqueue_hrtimer+0x1a5/0x560
[  284.088034]  ? lock_release+0x970/0x970
[  284.092012]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  284.097206]  ? find_held_lock+0x36/0x1c0
[  284.101273]  ? graph_lock+0x170/0x170
[  284.105075]  ? pvclock_read_flags+0x160/0x160
[  284.109568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.115107]  ? check_preemption_disabled+0x48/0x200
[  284.120128]  ? __lock_is_held+0xb5/0x140
[  284.124186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.129734]  ? check_preemption_disabled+0x48/0x200
[  284.134754]  run_timer_softirq+0x52/0xb0
[  284.138814]  ? rcu_read_lock_sched_held+0x108/0x120
[  284.143831]  __do_softirq+0x30b/0xad8
[  284.147636]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  284.152744]  ? pvclock_read_flags+0x160/0x160
[  284.157239]  ? lapic_next_event+0x5a/0x90
[  284.161390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.166925]  ? check_preemption_disabled+0x48/0x200
[  284.171954]  ? check_preemption_disabled+0x48/0x200
[  284.176987]  ? kvm_clock_read+0x18/0x30
[  284.180964]  ? kvm_sched_clock_read+0x9/0x20
[  284.185376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.190922]  ? check_preemption_disabled+0x48/0x200
[  284.195967]  irq_exit+0x17f/0x1c0
[  284.199419]  smp_apic_timer_interrupt+0x1cb/0x760
[  284.204268]  ? smp_reschedule_interrupt+0x109/0x650
[  284.209285]  ? smp_call_function_single_interrupt+0x650/0x650
[  284.215173]  ? interrupt_entry+0xb5/0xf0
[  284.219235]  ? trace_hardirqs_off_caller+0xbb/0x300
[  284.224245]  ? trace_hardirqs_off_caller+0xbb/0x300
[  284.229262]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.234102]  ? trace_hardirqs_off+0x300/0x300
[  284.238604]  ? trace_hardirqs_off+0x300/0x300
[  284.243099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.248642]  ? check_preemption_disabled+0x48/0x200
[  284.253670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.259227]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.264101]  apic_timer_interrupt+0xf/0x20
[  284.268330]  </IRQ>
[  284.270585] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  284.275562] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  284.294464] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  284.302182] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  284.309447] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  284.316711] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  284.323982] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  284.331247] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  284.338553]  skb_clone+0x1bb/0x500
[  284.342095]  ? finish_task_switch+0x2f5/0x900
[  284.346592]  ? skb_split+0x11e0/0x11e0
[  284.350495]  ? preempt_notifier_register+0x200/0x200
[  284.355599]  ? __switch_to_asm+0x34/0x70
[  284.359658]  ? __switch_to_asm+0x34/0x70
[  284.363721]  ? __switch_to_asm+0x40/0x70
[  284.367779]  ? __switch_to_asm+0x34/0x70
[  284.371834]  ? __switch_to_asm+0x40/0x70
[  284.375892]  ? __switch_to_asm+0x34/0x70
[  284.379961]  ? __switch_to_asm+0x40/0x70
[  284.384043]  ? __switch_to_asm+0x34/0x70
[  284.388113]  ? __switch_to_asm+0x34/0x70
[  284.392169]  ? __switch_to_asm+0x40/0x70
[  284.396225]  ? __switch_to_asm+0x34/0x70
[  284.400291]  bpf_clone_redirect+0xb9/0x490
[  284.404558]  ? __schedule+0x874/0x1ed0
[  284.408469]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  284.413486]  ? __sched_text_start+0x8/0x8
[  284.417635]  ? lockdep_hardirqs_on+0x421/0x5c0
[  284.422225]  ? retint_kernel+0x2d/0x2d
[  284.426112]  ? trace_hardirqs_on_caller+0xc0/0x300
[  284.431034]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  284.435819]  ? find_held_lock+0x36/0x1c0
[  284.439909]  ? lock_acquire+0x1ed/0x520
[  284.443910]  ? bpf_test_run+0x32e/0x5a0
[  284.447897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.453442]  ? check_preemption_disabled+0x48/0x200
[  284.458476]  ? kasan_check_read+0x11/0x20
[  284.462620]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  284.467894]  ? rcu_bh_qs+0xc0/0xc0
[  284.471451]  ? preempt_schedule+0x4d/0x60
[  284.475593]  ? ___preempt_schedule+0x16/0x18
[  284.480013]  ? bpf_test_run+0x1c0/0x5a0
[  284.483995]  ? netlink_diag_dump+0x2a0/0x2a0
[  284.488443]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.493978]  ? bpf_test_init.isra.9+0x70/0x100
[  284.498559]  ? bpf_prog_test_run_skb+0x634/0xb40
[  284.503318]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  284.508168]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  284.513705]  ? fput+0x130/0x1a0
[  284.517003]  ? __bpf_prog_get+0x9b/0x290
[  284.521066]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  284.525906]  ? bpf_prog_test_run+0x130/0x1a0
[  284.530313]  ? __x64_sys_bpf+0x3d8/0x510
[  284.534370]  ? bpf_prog_get+0x20/0x20
[  284.538186]  ? ksys_ioctl+0x81/0xd0
[  284.541820]  ? do_syscall_64+0x1b9/0x820
[  284.545885]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  284.551252]  ? syscall_return_slowpath+0x5e0/0x5e0
[  284.556186]  ? trace_hardirqs_off+0x300/0x300
[  284.560684]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  284.565725]  ? recalc_sigpending_tsk+0x180/0x180
[  284.570485]  ? kasan_check_write+0x14/0x20
[  284.574734]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.579589]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  284.584972] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  284.585059] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  284.591918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  284.591924] Call Trace:
[  284.591931]  <IRQ>
[  284.591946]  dump_stack+0x1c4/0x2b4
[  284.591965]  ? dump_stack_print_info.cold.2+0x52/0x52
[  284.598586] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  284.607830]  warn_alloc.cold.118+0xb7/0x1bd
[  284.610384] syz-executor4 cpuset=
[  284.612527]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  284.616130] syz4
[  284.621316]  ? lock_downgrade+0x900/0x900
[  284.631780]  mems_allowed=0
[  284.636098]  ? trace_hardirqs_off+0xb8/0x300
[  284.657782]  ? trace_hardirqs_off+0xb8/0x300
[  284.662200]  __alloc_pages_slowpath+0x2667/0x2d80
[  284.667117]  ? warn_alloc+0x120/0x120
[  284.670938]  ? warn_alloc+0x120/0x120
[  284.674739]  ? print_usage_bug+0xc0/0xc0
[  284.678803]  ? warn_alloc+0x120/0x120
[  284.682600]  ? lock_release+0x970/0x970
[  284.686575]  ? print_usage_bug+0xc0/0xc0
[  284.690640]  ? __lock_acquire+0x7ec/0x4ec0
[  284.694876]  ? __lock_acquire+0x7ec/0x4ec0
[  284.699116]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.704659]  ? should_fail+0x22d/0xd01
[  284.708548]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.713651]  ? __lock_acquire+0x7ec/0x4ec0
[  284.717894]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.723016]  ? __lock_acquire+0x7ec/0x4ec0
[  284.727254]  ? should_fail+0x22d/0xd01
[  284.731152]  ? mark_held_locks+0x130/0x130
[  284.735596]  ? mark_held_locks+0x130/0x130
[  284.739838]  ? kvm_clock_read+0x18/0x30
[  284.743810]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  284.748828]  ? ktime_get+0x2e1/0x440
[  284.752546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.758097]  ? graph_lock+0x170/0x170
[  284.761900]  ? print_usage_bug+0xc0/0xc0
[  284.765962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.771513]  ? check_preemption_disabled+0x48/0x200
[  284.776531]  ? check_preemption_disabled+0x48/0x200
[  284.781558]  ? __lock_is_held+0xb5/0x140
[  284.785628]  __alloc_pages_nodemask+0xa80/0xde0
[  284.790297]  ? graph_lock+0x170/0x170
[  284.794115]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  284.799133]  ? graph_lock+0x170/0x170
[  284.802944]  ? find_held_lock+0x36/0x1c0
[  284.807032]  ? ____cache_alloc_node+0x1c7/0x1e0
[  284.811701]  ? lock_downgrade+0x900/0x900
[  284.815885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.821447]  cache_grow_begin+0x91/0x8c0
[  284.825522]  ? do_raw_spin_unlock+0xa7/0x2f0
[  284.829953]  fallback_alloc+0x203/0x2e0
[  284.833959]  ____cache_alloc_node+0x1c7/0x1e0
[  284.838470]  kmem_cache_alloc_node+0xe3/0x730
[  284.842967]  ? ipv6_get_ifaddr+0x42e/0x620
[  284.847214]  __alloc_skb+0x119/0x770
[  284.850935]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  284.856224]  ? skb_scrub_packet+0x490/0x490
[  284.860548]  ? lock_downgrade+0x900/0x900
[  284.864734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.870272]  ? refcount_sub_and_test_checked+0x203/0x310
[  284.875738]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  284.881193]  ? addrconf_rs_timer+0x6f0/0x6f0
[  284.885639]  ndisc_alloc_skb+0x144/0x340
[  284.889720]  ndisc_send_rs+0x331/0x6e0
[  284.893615]  addrconf_rs_timer+0x3c0/0x6f0
[  284.897854]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.902101]  call_timer_fn+0x272/0x920
[  284.905989]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.910227]  ? process_timeout+0x40/0x40
[  284.914297]  ? find_held_lock+0x36/0x1c0
[  284.918391]  ? mark_held_locks+0xc7/0x130
[  284.922541]  ? _raw_spin_unlock_irq+0x27/0x80
[  284.927045]  ? _raw_spin_unlock_irq+0x27/0x80
[  284.931543]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.935779]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  284.940369]  ? trace_hardirqs_on+0xbd/0x310
[  284.944694]  ? kasan_check_read+0x11/0x20
[  284.948862]  ? __run_timers+0x7da/0xc70
[  284.952836]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  284.958290]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.962589]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.966822]  __run_timers+0x7e5/0xc70
[  284.970643]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  284.976007]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  284.981023]  ? graph_lock+0x170/0x170
[  284.984823]  ? print_usage_bug+0xc0/0xc0
[  284.988889]  ? lock_release+0x970/0x970
[  284.992873]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  284.998071]  ? find_held_lock+0x36/0x1c0
[  285.002132]  ? graph_lock+0x170/0x170
[  285.005935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.011476]  ? check_preemption_disabled+0x48/0x200
[  285.016504]  ? __lock_is_held+0xb5/0x140
[  285.020567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.026101]  ? check_preemption_disabled+0x48/0x200
[  285.031124]  run_timer_softirq+0x52/0xb0
[  285.035238]  ? rcu_read_lock_sched_held+0x108/0x120
[  285.040274]  __do_softirq+0x30b/0xad8
[  285.044086]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  285.049194]  ? pvclock_read_flags+0x160/0x160
[  285.053690]  ? lapic_next_event+0x5a/0x90
[  285.057851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.063392]  ? check_preemption_disabled+0x48/0x200
[  285.068410]  ? check_preemption_disabled+0x48/0x200
[  285.073463]  ? kvm_clock_read+0x18/0x30
[  285.077437]  ? kvm_sched_clock_read+0x9/0x20
[  285.081855]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.087417]  ? check_preemption_disabled+0x48/0x200
[  285.092446]  irq_exit+0x17f/0x1c0
[  285.095907]  smp_apic_timer_interrupt+0x1cb/0x760
[  285.100751]  ? smp_reschedule_interrupt+0x109/0x650
[  285.105771]  ? smp_call_function_single_interrupt+0x650/0x650
[  285.111660]  ? interrupt_entry+0xb5/0xf0
[  285.115728]  ? trace_hardirqs_off_caller+0xbb/0x300
[  285.120758]  ? trace_hardirqs_off_caller+0xbb/0x300
[  285.125774]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.130648]  ? trace_hardirqs_off+0x300/0x300
[  285.135154]  ? trace_hardirqs_off+0x300/0x300
[  285.139649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.145201]  ? check_preemption_disabled+0x48/0x200
[  285.150256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.155798]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.160648]  apic_timer_interrupt+0xf/0x20
[  285.164877]  </IRQ>
[  285.167130] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  285.172410] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  285.191331] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  285.199044] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  285.206311] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  285.213576] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  285.220846] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  285.228116] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  285.235405]  ? arch_local_irq_restore+0x45/0x52
[  285.240110]  dump_stack+0x26a/0x2b4
[  285.243768]  ? dump_stack_print_info.cold.2+0x52/0x52
[  285.248965]  ? mark_held_locks+0x130/0x130
[  285.253204]  ? mark_held_locks+0x130/0x130
[  285.257455]  dump_header+0x27b/0xf72
[  285.261186]  ? pagefault_out_of_memory+0x197/0x197
[  285.266145]  ? mark_held_locks+0x130/0x130
[  285.270381]  ? __lock_acquire+0x7ec/0x4ec0
[  285.274618]  ? mem_cgroup_charge_statistics+0x780/0x780
[  285.279982]  ? print_usage_bug+0xc0/0xc0
[  285.284043]  ? print_usage_bug+0xc0/0xc0
[  285.288127]  ? graph_lock+0x170/0x170
[  285.291929]  ? graph_lock+0x170/0x170
[  285.295731]  ? print_usage_bug+0xc0/0xc0
[  285.299795]  ? print_usage_bug+0xc0/0xc0
[  285.303868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.309410]  ? find_held_lock+0x36/0x1c0
[  285.313480]  ? mark_held_locks+0xc7/0x130
[  285.317635]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  285.322741]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  285.327858]  ? lockdep_hardirqs_on+0x421/0x5c0
[  285.332443]  ? trace_hardirqs_on+0xbd/0x310
[  285.336777]  ? kasan_check_read+0x11/0x20
[  285.340939]  ? ___ratelimit+0x36f/0x655
[  285.344915]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  285.350380]  ? trace_hardirqs_on+0x310/0x310
[  285.354792]  ? lock_downgrade+0x900/0x900
[  285.358947]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  285.364052]  ? ___ratelimit+0xaa/0x655
[  285.367941]  ? idr_get_free+0xec0/0xec0
[  285.371919]  ? kasan_check_write+0x14/0x20
[  285.376157]  ? do_raw_spin_lock+0xc1/0x200
[  285.380426]  oom_kill_process.cold.27+0x10/0x903
[  285.385228]  ? graph_lock+0x170/0x170
[  285.389029]  ? _raw_spin_unlock+0x2c/0x50
[  285.393178]  ? oom_badness+0xe6/0xaa0
[  285.396985]  ? oom_evaluate_task+0x540/0x540
[  285.401398]  ? find_held_lock+0x36/0x1c0
[  285.405485]  ? out_of_memory+0x974/0x14c0
[  285.409637]  ? lock_downgrade+0x900/0x900
[  285.413802]  ? check_preemption_disabled+0x48/0x200
[  285.418826]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  285.424628]  ? kasan_check_read+0x11/0x20
[  285.428776]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  285.434054]  ? rcu_bh_qs+0xc0/0xc0
[  285.437601]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  285.442619]  ? oom_evaluate_task+0x302/0x540
[  285.447037]  out_of_memory+0xa86/0x14c0
[  285.451029]  ? oom_killer_disable+0x3a0/0x3a0
[  285.455528]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  285.460502]  ? __mutex_add_waiter+0x2a0/0x2a0
[  285.465014]  __alloc_pages_slowpath+0x2318/0x2d80
[  285.469905]  ? warn_alloc+0x120/0x120
[  285.473722]  ? __radix_tree_lookup+0x4c0/0x4c0
[  285.478318]  ? find_get_entry+0x2f2/0xc40
[  285.482476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.488017]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  285.492948]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.498494]  ? should_fail+0x22d/0xd01
[  285.502389]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.507508]  ? __lock_is_held+0xb5/0x140
[  285.511632]  ? __lock_is_held+0xb5/0x140
[  285.515705]  ? find_held_lock+0x36/0x1c0
[  285.519801]  ? ___might_sleep+0x1ed/0x300
[  285.523951]  ? lock_release+0x970/0x970
[  285.527928]  ? arch_local_save_flags+0x40/0x40
[  285.532525]  ? __might_sleep+0x95/0x190
[  285.536518]  __alloc_pages_nodemask+0xa80/0xde0
[  285.541199]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  285.546241]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  285.552040]  ? kasan_check_read+0x11/0x20
[  285.556194]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  285.561502]  ? graph_lock+0x170/0x170
[  285.565306]  ? print_usage_bug+0xc0/0xc0
[  285.569385]  ? graph_lock+0x170/0x170
[  285.573186]  ? graph_lock+0x170/0x170
[  285.576992]  ? __do_page_cache_readahead+0x7ce/0x980
[  285.582104]  ? find_held_lock+0x36/0x1c0
[  285.586182]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  285.591726]  alloc_pages_current+0x10c/0x210
[  285.596135]  ? lock_downgrade+0x900/0x900
[  285.600315]  __page_cache_alloc+0x38f/0x5b0
[  285.604723]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  285.610520]  ? kasan_check_read+0x11/0x20
[  285.614669]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  285.619967]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  285.624637]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.630176]  ? check_preemption_disabled+0x48/0x200
[  285.635241]  filemap_fault+0x1594/0x25f0
[  285.639342]  ? __lock_page_or_retry+0xa00/0xa00
[  285.644011]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  285.649832]  ? kasan_check_read+0x11/0x20
[  285.654008]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  285.659286]  ? rcu_bh_qs+0xc0/0xc0
[  285.662835]  ? print_usage_bug+0xc0/0xc0
[  285.666903]  ? filemap_map_pages+0xdea/0x1980
[  285.671413]  ? print_usage_bug+0xc0/0xc0
[  285.675485]  ? find_get_pages_range_tag+0x1320/0x1320
[  285.680679]  ? print_usage_bug+0xc0/0xc0
[  285.684742]  ? __lock_acquire+0x7ec/0x4ec0
[  285.688998]  ? graph_lock+0x170/0x170
[  285.692803]  ? __sigqueue_free.part.27+0x7d/0xa0
[  285.697563]  ? __lock_acquire+0x7ec/0x4ec0
[  285.701818]  ? lock_acquire+0x1ed/0x520
[  285.705794]  ? ext4_filemap_fault+0x7a/0xad
[  285.710122]  ? lock_release+0x970/0x970
[  285.714093]  ? arch_local_save_flags+0x40/0x40
[  285.718678]  ? mark_held_locks+0x130/0x130
[  285.722955]  ? down_read+0xb0/0x1d0
[  285.726581]  ? ext4_filemap_fault+0x7a/0xad
[  285.730906]  ? __down_interruptible+0x700/0x700
[  285.735589]  ? graph_lock+0x170/0x170
[  285.739391]  ? __sigqueue_free.part.27+0x7d/0xa0
[  285.744158]  ext4_filemap_fault+0x82/0xad
[  285.748312]  __do_fault+0x100/0x6b0
[  285.751944]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  285.757229]  ? print_bad_pte+0x6c0/0x6c0
[  285.761297]  ? pmd_val+0x88/0x100
[  285.764753]  ? add_mm_counter_fast+0xd0/0xd0
[  285.769176]  ? pmd_val+0x88/0x100
[  285.772634]  ? add_mm_counter_fast+0xd0/0xd0
[  285.777053]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.782599]  __handle_mm_fault+0x3709/0x53e0
[  285.787018]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  285.791866]  ? graph_lock+0x170/0x170
[  285.795669]  ? print_usage_bug+0xc0/0xc0
[  285.799734]  ? graph_lock+0x170/0x170
[  285.803536]  ? graph_lock+0x170/0x170
[  285.807357]  ? handle_mm_fault+0x42a/0xc70
[  285.811590]  ? lock_downgrade+0x900/0x900
[  285.815739]  ? check_preemption_disabled+0x48/0x200
[  285.820766]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  285.826566]  ? kasan_check_read+0x11/0x20
[  285.830717]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  285.836022]  ? rcu_bh_qs+0xc0/0xc0
[  285.839576]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  285.845497]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.851039]  ? check_preemption_disabled+0x48/0x200
[  285.856077]  handle_mm_fault+0x54f/0xc70
[  285.860145]  ? __handle_mm_fault+0x53e0/0x53e0
[  285.864731]  ? find_vma+0x34/0x190
[  285.868279]  __do_page_fault+0x67d/0xed0
[  285.872346]  ? mm_fault_error+0x380/0x380
[  285.876500]  ? syscall_slow_exit_work+0x520/0x520
[  285.881362]  do_page_fault+0xf2/0x7e0
[  285.885165]  ? vmalloc_sync_all+0x30/0x30
[  285.889313]  ? error_entry+0x70/0xd0
[  285.893027]  ? trace_hardirqs_off_caller+0xbb/0x300
[  285.898046]  ? trace_hardirqs_on_caller+0xc0/0x300
[  285.902974]  ? syscall_return_slowpath+0x5e0/0x5e0
[  285.907901]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.912748]  ? trace_hardirqs_off+0x300/0x300
[  285.917247]  ? trace_hardirqs_off_caller+0x300/0x300
[  285.922373]  ? prepare_exit_to_usermode+0x291/0x3b0
[  285.927393]  ? page_fault+0x8/0x30
[  285.930944]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.935808]  ? page_fault+0x8/0x30
[  285.939363]  page_fault+0x1e/0x30
[  285.942819] RIP: 0033:0x45db60
[  285.946017] Code: Bad RIP value.
[  285.949380] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  285.954752] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  285.962019] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  285.969287] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  285.976557] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  285.983825] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  285.991125] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  285.991131] warn_alloc_show_mem: 1 callbacks suppressed
[  285.991138] Mem-Info:
[  285.998335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  286.003705] active_anon:41581 inactive_anon:372 isolated_anon:0
[  286.003705]  active_file:17 inactive_file:16 isolated_file:0
[  286.003705]  unevictable:0 dirty:0 writeback:0 unstable:0
[  286.003705]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  286.003705]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  286.003705]  free:13699 free_pcp:281 free_cma:0
[  286.006077] Call Trace:
[  286.015470] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  286.048319]  <IRQ>
[  286.050895] Node 0 
[  286.078750]  dump_stack+0x1c4/0x2b4
[  286.080903] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  286.083112]  ? dump_stack_print_info.cold.2+0x52/0x52
[  286.086737] lowmem_reserve[]:
[  286.112252]  warn_alloc.cold.118+0xb7/0x1bd
[  286.117412]  0
[  286.120545]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  286.124823]  2817
[  286.126634]  ? lock_downgrade+0x900/0x900
[  286.131456]  6321
[  286.133520]  ? trace_hardirqs_off+0xb8/0x300
[  286.137641]  6321
[  286.139705]  ? trace_hardirqs_off+0xb8/0x300
[  286.146176]  __alloc_pages_slowpath+0x2667/0x2d80
[  286.150587] Node 0 DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  286.155486]  ? warn_alloc+0x120/0x120
[  286.155502]  ? trace_hardirqs_on+0x310/0x310
[  286.183069] lowmem_reserve[]:
[  286.186874]  ? warn_alloc+0x120/0x120
[  286.191266]  0
[  286.194389]  ? print_usage_bug+0xc0/0xc0
[  286.198179]  0
[  286.199979]  ? warn_alloc+0x120/0x120
[  286.204013]  3503 3503
[  286.205826]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  286.209604] Node 0 
[  286.212111]  ? print_usage_bug+0xc0/0xc0
[  286.217132] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  286.219354]  ? __lock_acquire+0x7ec/0x4ec0
[  286.223404] lowmem_reserve[]: 0
[  286.251802]  ? __lock_acquire+0x7ec/0x4ec0
[  286.256008]  0 0
[  286.259293]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.263520]  0
[  286.265499]  ? should_fail+0x22d/0xd01
[  286.272808]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.276673] Node 0 
[  286.281768]  ? __lock_acquire+0x7ec/0x4ec0
[  286.281778] DMA: 
[  286.284013]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.288248] 1*4kB 
[  286.290329]  ? __lock_acquire+0x7ec/0x4ec0
[  286.295409] (U) 
[  286.297572]  ? should_fail+0x22d/0xd01
[  286.301784] 0*8kB 
[  286.303764]  ? print_usage_bug+0xc0/0xc0
[  286.307628] 0*16kB 
[  286.309802]  ? mark_held_locks+0x130/0x130
[  286.313836] 1*32kB 
[  286.316156]  ? mark_held_locks+0x130/0x130
[  286.320364] (U) 2*64kB 
[  286.322612]  ? graph_lock+0x170/0x170
[  286.326822] (U) 
[  286.329446]  ? print_usage_bug+0xc0/0xc0
[  286.333204] 1*128kB 
[  286.335179]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  286.339220] (U) 
[  286.341540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.346287] 1*256kB 
[  286.348265]  ? check_preemption_disabled+0x48/0x200
[  286.353774] (U) 
[  286.356107]  ? check_preemption_disabled+0x48/0x200
[  286.361104] 0*512kB 
[  286.363092]  ? __lock_is_held+0xb5/0x140
[  286.368089] 1*1024kB 
[  286.370422]  __alloc_pages_nodemask+0xa80/0xde0
[  286.374463] (U) 
[  286.376871]  ? graph_lock+0x170/0x170
[  286.381518] 1*2048kB 
[  286.383490]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  286.387265] (M) 
[  286.389668]  ? graph_lock+0x170/0x170
[  286.394664] 3*4096kB 
[  286.396655]  ? find_held_lock+0x36/0x1c0
[  286.400429] (M) 
[  286.402841]  ? ____cache_alloc_node+0x1c7/0x1e0
[  286.406875] = 15908kB
[  286.408850]  ? lock_downgrade+0x900/0x900
[  286.413497] Node 0 
[  286.416094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.420218] DMA32: 
[  286.422470]  cache_grow_begin+0x91/0x8c0
[  286.427989] 2*4kB 
[  286.430236]  ? do_raw_spin_unlock+0xa7/0x2f0
[  286.434271] (M) 1*8kB 
[  286.436450]  fallback_alloc+0x203/0x2e0
[  286.440832] (U) 
[  286.443341]  ____cache_alloc_node+0x1c7/0x1e0
[  286.447274] 3*16kB (M) 
[  286.449263]  kmem_cache_alloc_node+0xe3/0x730
[  286.453736] 1*32kB 
[  286.456338]  ? ipv6_get_ifaddr+0x42e/0x620
[  286.460809] (M) 
[  286.463052]  __alloc_skb+0x119/0x770
[  286.467259] 3*64kB 
[  286.469240]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  286.472925] (UM) 
[  286.475160]  ? skb_scrub_packet+0x490/0x490
[  286.480414] 3*128kB 
[  286.482507]  ? lock_downgrade+0x900/0x900
[  286.486803] (M) 
[  286.489127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.493249] 3*256kB 
[  286.495225]  ? refcount_sub_and_test_checked+0x203/0x310
[  286.500740] (UM) 
[  286.503083]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  286.508512] 4*512kB 
[  286.510573]  ? addrconf_rs_timer+0x6f0/0x6f0
[  286.515996] (UM) 
[  286.518320]  ndisc_alloc_skb+0x144/0x340
[  286.522709] 3*1024kB 
[  286.524773]  ndisc_send_rs+0x331/0x6e0
[  286.528811] (M) 
[  286.531225]  addrconf_rs_timer+0x3c0/0x6f0
[  286.535119] 1*2048kB (U) 
[  286.537107]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.541329] 4*4096kB (M) 
[  286.544116]  call_timer_fn+0x272/0x920
[  286.548321] = 24992kB
[  286.551075]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.554940] Node 0 
[  286.557365]  ? process_timeout+0x40/0x40
[  286.561579] Normal: 
[  286.563814]  ? find_held_lock+0x36/0x1c0
[  286.567870] 882*4kB 
[  286.570196]  ? __run_timers+0x7da/0xc70
[  286.574228] (UME) 426*8kB 
[  286.576560]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.580505] (MEH) 175*16kB 
[  286.583359]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.587832] (UME) 
[  286.590763]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.595229] 71*32kB (UMEH) 
[  286.597380]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  286.601593] 10*64kB 
[  286.604521]  ? trace_hardirqs_on+0xbd/0x310
[  286.609075] (UMH) 
[  286.611402]  ? kasan_check_read+0x11/0x20
[  286.615696] 2*128kB 
[  286.617858]  ? __run_timers+0x7da/0xc70
[  286.621987] (H) 
[  286.624305]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  286.628248] 0*256kB 2*512kB 
[  286.630238]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.635662] (UH) 
[  286.638677]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.642895] 0*1024kB 
[  286.644959]  __run_timers+0x7e5/0xc70
[  286.649172] 0*2048kB 
[  286.651587]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  286.655357] 0*4096kB 
[  286.657777]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  286.663121] = 13928kB
[  286.665563]  ? graph_lock+0x170/0x170
[  286.670573] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  286.672973]  ? enqueue_hrtimer+0x1a5/0x560
[  286.676758] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  286.685583]  ? lock_release+0x970/0x970
[  286.689808] 412 total pagecache pages
[  286.698409]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  286.702379] 0 pages in swap cache
[  286.706188]  ? find_held_lock+0x36/0x1c0
[  286.711373] Swap cache stats: add 0, delete 0, find 0/0
[  286.714831]  ? graph_lock+0x170/0x170
[  286.718885] Free swap  = 0kB
[  286.724264]  ? pvclock_read_flags+0x160/0x160
[  286.728037] Total swap = 0kB
[  286.728046] 1965979 pages RAM
[  286.731072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.735717] 0 pages HighMem/MovableOnly
[  286.735728] 342744 pages reserved
[  286.738758]  ? check_preemption_disabled+0x48/0x200
[  286.741840] 0 pages cma reserved
[  286.747391]  ? __lock_is_held+0xb5/0x140
[  286.751479] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  286.754827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.759924] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  286.763189]  ? check_preemption_disabled+0x48/0x200
[  286.767245] syz-fuzzer cpuset=
[  286.773738]  run_timer_softirq+0x52/0xb0
[  286.779248] /
[  286.789477]  ? rcu_read_lock_sched_held+0x108/0x120
[  286.794488]  mems_allowed=0
[  286.797679]  __do_softirq+0x30b/0xad8
[  286.815209]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  286.820336]  ? pvclock_read_flags+0x160/0x160
[  286.824866]  ? lapic_next_event+0x5a/0x90
[  286.829027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.834570]  ? check_preemption_disabled+0x48/0x200
[  286.839592]  ? check_preemption_disabled+0x48/0x200
[  286.844621]  ? kvm_clock_read+0x18/0x30
[  286.848598]  ? kvm_sched_clock_read+0x9/0x20
[  286.853009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.858560]  ? check_preemption_disabled+0x48/0x200
[  286.863593]  irq_exit+0x17f/0x1c0
[  286.867058]  smp_apic_timer_interrupt+0x1cb/0x760
[  286.871905]  ? smp_reschedule_interrupt+0x109/0x650
[  286.876931]  ? smp_call_function_single_interrupt+0x650/0x650
[  286.884709]  ? interrupt_entry+0xb5/0xf0
[  286.888801]  ? trace_hardirqs_off_caller+0xbb/0x300
[  286.893823]  ? trace_hardirqs_off_caller+0xbb/0x300
[  286.898851]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.903726]  ? trace_hardirqs_off+0x300/0x300
[  286.908250]  ? trace_hardirqs_off+0x300/0x300
[  286.912780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.918343]  ? check_preemption_disabled+0x48/0x200
[  286.923387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.928948]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.933807]  apic_timer_interrupt+0xf/0x20
[  286.938045]  </IRQ>
[  286.940313] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  286.945248] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  286.964146] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  286.971858] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  286.979138] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  286.986456] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  286.993728] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  287.001007] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  287.008336]  skb_clone+0x1bb/0x500
[  287.011880]  ? finish_task_switch+0x2f5/0x900
[  287.016373]  ? skb_split+0x11e0/0x11e0
[  287.020268]  ? preempt_notifier_register+0x200/0x200
[  287.025371]  ? __switch_to_asm+0x34/0x70
[  287.029449]  ? __switch_to_asm+0x34/0x70
[  287.033510]  ? __switch_to_asm+0x40/0x70
[  287.037567]  ? __switch_to_asm+0x34/0x70
[  287.041621]  ? __switch_to_asm+0x40/0x70
[  287.045682]  ? __switch_to_asm+0x34/0x70
[  287.049748]  ? __switch_to_asm+0x40/0x70
[  287.053805]  ? __switch_to_asm+0x34/0x70
[  287.057871]  ? __switch_to_asm+0x34/0x70
[  287.061929]  ? __switch_to_asm+0x40/0x70
[  287.066014]  ? __switch_to_asm+0x34/0x70
[  287.070098]  bpf_clone_redirect+0xb9/0x490
[  287.074335]  ? __schedule+0x874/0x1ed0
[  287.078236]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  287.083266]  ? __sched_text_start+0x8/0x8
[  287.087419]  ? lockdep_hardirqs_on+0x421/0x5c0
[  287.092035]  ? retint_kernel+0x2d/0x2d
[  287.095928]  ? trace_hardirqs_on_caller+0xc0/0x300
[  287.100859]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  287.105656]  ? find_held_lock+0x36/0x1c0
[  287.109733]  ? lock_acquire+0x1ed/0x520
[  287.113708]  ? bpf_test_run+0x32e/0x5a0
[  287.117711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.123292]  ? check_preemption_disabled+0x48/0x200
[  287.128365]  ? kasan_check_read+0x11/0x20
[  287.132521]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  287.137802]  ? rcu_bh_qs+0xc0/0xc0
[  287.141344]  ? preempt_schedule+0x4d/0x60
[  287.145496]  ? ___preempt_schedule+0x16/0x18
[  287.149921]  ? bpf_test_run+0x1c0/0x5a0
[  287.153917]  ? netlink_diag_dump+0x2a0/0x2a0
[  287.158344]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.163899]  ? bpf_test_init.isra.9+0x70/0x100
[  287.168494]  ? bpf_prog_test_run_skb+0x634/0xb40
[  287.173255]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  287.178130]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  287.183668]  ? fput+0x130/0x1a0
[  287.186972]  ? __bpf_prog_get+0x9b/0x290
[  287.191033]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  287.195887]  ? bpf_prog_test_run+0x130/0x1a0
[  287.200312]  ? __x64_sys_bpf+0x3d8/0x510
[  287.204402]  ? bpf_prog_get+0x20/0x20
[  287.208232]  ? ksys_ioctl+0x81/0xd0
[  287.211879]  ? do_syscall_64+0x1b9/0x820
[  287.215958]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  287.221332]  ? syscall_return_slowpath+0x5e0/0x5e0
[  287.226272]  ? trace_hardirqs_off+0x300/0x300
[  287.230788]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  287.235821]  ? recalc_sigpending_tsk+0x180/0x180
[  287.240616]  ? kasan_check_write+0x14/0x20
[  287.244873]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.249746]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  287.255136] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  287.255302] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  287.262129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  287.268701] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  287.277958] Call Trace:
[  287.288436] syz-executor4 cpuset=
[  287.291008]  <IRQ>
[  287.291010] syz4 mems_allowed=0
[  287.294477]  dump_stack+0x1c4/0x2b4
[  287.303518]  ? dump_stack_print_info.cold.2+0x52/0x52
[  287.308757]  warn_alloc.cold.118+0xb7/0x1bd
[  287.313087]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  287.317938]  ? lock_downgrade+0x900/0x900
[  287.322098]  ? trace_hardirqs_off+0xb8/0x300
[  287.326514]  ? trace_hardirqs_off+0xb8/0x300
[  287.330947]  __alloc_pages_slowpath+0x2667/0x2d80
[  287.335822]  ? warn_alloc+0x120/0x120
[  287.339627]  ? trace_hardirqs_on+0x310/0x310
[  287.344040]  ? warn_alloc+0x120/0x120
[  287.347846]  ? print_usage_bug+0xc0/0xc0
[  287.351907]  ? warn_alloc+0x120/0x120
[  287.355713]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  287.360733]  ? print_usage_bug+0xc0/0xc0
[  287.364798]  ? __lock_acquire+0x7ec/0x4ec0
[  287.369048]  ? __lock_acquire+0x7ec/0x4ec0
[  287.373296]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.378851]  ? should_fail+0x22d/0xd01
[  287.382746]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.387864]  ? __lock_acquire+0x7ec/0x4ec0
[  287.392127]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.397230]  ? __lock_acquire+0x7ec/0x4ec0
[  287.401464]  ? should_fail+0x22d/0xd01
[  287.405352]  ? print_usage_bug+0xc0/0xc0
[  287.409438]  ? mark_held_locks+0x130/0x130
[  287.413688]  ? mark_held_locks+0x130/0x130
[  287.417938]  ? graph_lock+0x170/0x170
[  287.421741]  ? print_usage_bug+0xc0/0xc0
[  287.425806]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  287.430574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.436123]  ? check_preemption_disabled+0x48/0x200
[  287.441142]  ? check_preemption_disabled+0x48/0x200
[  287.446173]  ? __lock_is_held+0xb5/0x140
[  287.450255]  __alloc_pages_nodemask+0xa80/0xde0
[  287.454925]  ? graph_lock+0x170/0x170
[  287.458732]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  287.463746]  ? graph_lock+0x170/0x170
[  287.467560]  ? find_held_lock+0x36/0x1c0
[  287.471635]  ? ____cache_alloc_node+0x1c7/0x1e0
[  287.476305]  ? lock_downgrade+0x900/0x900
[  287.480469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.486013]  cache_grow_begin+0x91/0x8c0
[  287.490078]  ? do_raw_spin_unlock+0xa7/0x2f0
[  287.494502]  fallback_alloc+0x203/0x2e0
[  287.498490]  ____cache_alloc_node+0x1c7/0x1e0
[  287.502992]  kmem_cache_alloc_node+0xe3/0x730
[  287.507505]  ? ipv6_get_ifaddr+0x42e/0x620
[  287.511752]  __alloc_skb+0x119/0x770
[  287.515475]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  287.520756]  ? skb_scrub_packet+0x490/0x490
[  287.525076]  ? lock_downgrade+0x900/0x900
[  287.529235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.534773]  ? refcount_sub_and_test_checked+0x203/0x310
[  287.540239]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  287.545706]  ? addrconf_rs_timer+0x6f0/0x6f0
[  287.550129]  ndisc_alloc_skb+0x144/0x340
[  287.554200]  ndisc_send_rs+0x331/0x6e0
[  287.558102]  addrconf_rs_timer+0x3c0/0x6f0
[  287.562345]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.566592]  call_timer_fn+0x272/0x920
[  287.570477]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.574712]  ? process_timeout+0x40/0x40
[  287.578786]  ? find_held_lock+0x36/0x1c0
[  287.582851]  ? mark_held_locks+0xc7/0x130
[  287.587016]  ? _raw_spin_unlock_irq+0x27/0x80
[  287.591512]  ? _raw_spin_unlock_irq+0x27/0x80
[  287.596017]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.600280]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  287.604864]  ? trace_hardirqs_on+0xbd/0x310
[  287.609186]  ? kasan_check_read+0x11/0x20
[  287.613335]  ? __run_timers+0x7da/0xc70
[  287.617307]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  287.622759]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.626999]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.631234]  __run_timers+0x7e5/0xc70
[  287.635049]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  287.640413]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  287.645482]  ? graph_lock+0x170/0x170
[  287.649288]  ? print_usage_bug+0xc0/0xc0
[  287.653346]  ? lock_release+0x970/0x970
[  287.657324]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  287.662521]  ? find_held_lock+0x36/0x1c0
[  287.666611]  ? graph_lock+0x170/0x170
[  287.670452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.676011]  ? check_preemption_disabled+0x48/0x200
[  287.681048]  ? __lock_is_held+0xb5/0x140
[  287.685111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.690647]  ? check_preemption_disabled+0x48/0x200
[  287.695673]  run_timer_softirq+0x52/0xb0
[  287.699749]  ? rcu_read_lock_sched_held+0x108/0x120
[  287.704769]  __do_softirq+0x30b/0xad8
[  287.708582]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  287.713695]  ? pvclock_read_flags+0x160/0x160
[  287.718191]  ? lapic_next_event+0x5a/0x90
[  287.722343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.727881]  ? check_preemption_disabled+0x48/0x200
[  287.732899]  ? check_preemption_disabled+0x48/0x200
[  287.737925]  ? kvm_clock_read+0x18/0x30
[  287.741915]  ? kvm_sched_clock_read+0x9/0x20
[  287.746354]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.751893]  ? check_preemption_disabled+0x48/0x200
[  287.756925]  irq_exit+0x17f/0x1c0
[  287.760386]  smp_apic_timer_interrupt+0x1cb/0x760
[  287.765233]  ? smp_reschedule_interrupt+0x109/0x650
[  287.770258]  ? smp_call_function_single_interrupt+0x650/0x650
[  287.776144]  ? interrupt_entry+0xb5/0xf0
[  287.780208]  ? trace_hardirqs_off_caller+0xbb/0x300
[  287.785244]  ? trace_hardirqs_off_caller+0xbb/0x300
[  287.790261]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.795111]  ? trace_hardirqs_off+0x300/0x300
[  287.799619]  ? trace_hardirqs_off+0x300/0x300
[  287.804118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.809661]  ? check_preemption_disabled+0x48/0x200
[  287.814677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.820241]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.825094]  apic_timer_interrupt+0xf/0x20
[  287.829338]  </IRQ>
[  287.831576] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  287.836867] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  287.856256] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  287.863969] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  287.871238] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  287.878528] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  287.885798] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  287.893064] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  287.900352]  ? arch_local_irq_restore+0x45/0x52
[  287.905026]  dump_stack+0x26a/0x2b4
[  287.908655]  ? dump_stack_print_info.cold.2+0x52/0x52
[  287.913846]  ? mark_held_locks+0x130/0x130
[  287.918079]  ? mark_held_locks+0x130/0x130
[  287.922325]  dump_header+0x27b/0xf72
[  287.926053]  ? pagefault_out_of_memory+0x197/0x197
[  287.930991]  ? mark_held_locks+0x130/0x130
[  287.935230]  ? __lock_acquire+0x7ec/0x4ec0
[  287.939466]  ? mem_cgroup_charge_statistics+0x780/0x780
[  287.944826]  ? print_usage_bug+0xc0/0xc0
[  287.948885]  ? print_usage_bug+0xc0/0xc0
[  287.952957]  ? graph_lock+0x170/0x170
[  287.956766]  ? graph_lock+0x170/0x170
[  287.960564]  ? print_usage_bug+0xc0/0xc0
[  287.964622]  ? print_usage_bug+0xc0/0xc0
[  287.968691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.974239]  ? find_held_lock+0x36/0x1c0
[  287.978324]  ? mark_held_locks+0xc7/0x130
[  287.982478]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  287.987580]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  287.992690]  ? lockdep_hardirqs_on+0x421/0x5c0
[  287.997280]  ? trace_hardirqs_on+0xbd/0x310
[  288.001628]  ? kasan_check_read+0x11/0x20
[  288.005780]  ? ___ratelimit+0x36f/0x655
[  288.009755]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  288.015227]  ? trace_hardirqs_on+0x310/0x310
[  288.019645]  ? lock_downgrade+0x900/0x900
[  288.023859]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  288.028967]  ? ___ratelimit+0xaa/0x655
[  288.032871]  ? idr_get_free+0xec0/0xec0
[  288.036860]  ? kasan_check_write+0x14/0x20
[  288.041098]  ? do_raw_spin_lock+0xc1/0x200
[  288.045346]  oom_kill_process.cold.27+0x10/0x903
[  288.050107]  ? graph_lock+0x170/0x170
[  288.053921]  ? _raw_spin_unlock+0x2c/0x50
[  288.058082]  ? oom_badness+0xe6/0xaa0
[  288.061891]  ? oom_evaluate_task+0x540/0x540
[  288.066304]  ? find_held_lock+0x36/0x1c0
[  288.070370]  ? out_of_memory+0x974/0x14c0
[  288.074522]  ? lock_downgrade+0x900/0x900
[  288.078671]  ? check_preemption_disabled+0x48/0x200
[  288.083694]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  288.089496]  ? kasan_check_read+0x11/0x20
[  288.093648]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  288.098926]  ? rcu_bh_qs+0xc0/0xc0
[  288.102479]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  288.107493]  ? oom_evaluate_task+0x302/0x540
[  288.111907]  out_of_memory+0xa86/0x14c0
[  288.115894]  ? oom_killer_disable+0x3a0/0x3a0
[  288.120398]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  288.125341]  ? __mutex_add_waiter+0x2a0/0x2a0
[  288.129849]  __alloc_pages_slowpath+0x2318/0x2d80
[  288.134722]  ? warn_alloc+0x120/0x120
[  288.138528]  ? __radix_tree_lookup+0x4c0/0x4c0
[  288.143142]  ? find_get_entry+0x2f2/0xc40
[  288.147301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.152868]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  288.157800]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.163339]  ? should_fail+0x22d/0xd01
[  288.167233]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.172337]  ? __lock_is_held+0xb5/0x140
[  288.176428]  ? __lock_is_held+0xb5/0x140
[  288.180497]  ? find_held_lock+0x36/0x1c0
[  288.184560]  ? ___might_sleep+0x1ed/0x300
[  288.188712]  ? lock_release+0x970/0x970
[  288.192718]  ? arch_local_save_flags+0x40/0x40
[  288.197344]  ? __might_sleep+0x95/0x190
[  288.201325]  __alloc_pages_nodemask+0xa80/0xde0
[  288.206001]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  288.211021]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  288.216823]  ? kasan_check_read+0x11/0x20
[  288.220971]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  288.226250]  ? graph_lock+0x170/0x170
[  288.230054]  ? print_usage_bug+0xc0/0xc0
[  288.234119]  ? graph_lock+0x170/0x170
[  288.237915]  ? graph_lock+0x170/0x170
[  288.241714]  ? __do_page_cache_readahead+0x7ce/0x980
[  288.246824]  ? find_held_lock+0x36/0x1c0
[  288.250889]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  288.256438]  alloc_pages_current+0x10c/0x210
[  288.260858]  ? lock_downgrade+0x900/0x900
[  288.265012]  __page_cache_alloc+0x38f/0x5b0
[  288.269336]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  288.275135]  ? kasan_check_read+0x11/0x20
[  288.279285]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  288.284566]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  288.289243]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.294781]  ? check_preemption_disabled+0x48/0x200
[  288.299808]  filemap_fault+0x1594/0x25f0
[  288.303896]  ? __lock_page_or_retry+0xa00/0xa00
[  288.308568]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  288.314371]  ? kasan_check_read+0x11/0x20
[  288.318522]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  288.323802]  ? rcu_bh_qs+0xc0/0xc0
[  288.327347]  ? print_usage_bug+0xc0/0xc0
[  288.331415]  ? filemap_map_pages+0xdea/0x1980
[  288.335971]  ? print_usage_bug+0xc0/0xc0
[  288.340042]  ? find_get_pages_range_tag+0x1320/0x1320
[  288.345239]  ? print_usage_bug+0xc0/0xc0
[  288.349302]  ? __lock_acquire+0x7ec/0x4ec0
[  288.353537]  ? graph_lock+0x170/0x170
[  288.357341]  ? __sigqueue_free.part.27+0x7d/0xa0
[  288.362100]  ? __lock_acquire+0x7ec/0x4ec0
[  288.366351]  ? lock_acquire+0x1ed/0x520
[  288.370365]  ? ext4_filemap_fault+0x7a/0xad
[  288.374701]  ? lock_release+0x970/0x970
[  288.378673]  ? arch_local_save_flags+0x40/0x40
[  288.383258]  ? mark_held_locks+0x130/0x130
[  288.387517]  ? down_read+0xb0/0x1d0
[  288.391154]  ? ext4_filemap_fault+0x7a/0xad
[  288.395478]  ? __down_interruptible+0x700/0x700
[  288.400153]  ? graph_lock+0x170/0x170
[  288.403968]  ? __sigqueue_free.part.27+0x7d/0xa0
[  288.408740]  ext4_filemap_fault+0x82/0xad
[  288.412910]  __do_fault+0x100/0x6b0
[  288.416553]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  288.421829]  ? print_bad_pte+0x6c0/0x6c0
[  288.425896]  ? pmd_val+0x88/0x100
[  288.429360]  ? add_mm_counter_fast+0xd0/0xd0
[  288.433771]  ? pmd_val+0x88/0x100
[  288.437242]  ? add_mm_counter_fast+0xd0/0xd0
[  288.441656]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.447198]  __handle_mm_fault+0x3709/0x53e0
[  288.451622]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  288.456494]  ? graph_lock+0x170/0x170
[  288.460293]  ? print_usage_bug+0xc0/0xc0
[  288.464369]  ? graph_lock+0x170/0x170
[  288.468171]  ? graph_lock+0x170/0x170
[  288.471990]  ? handle_mm_fault+0x42a/0xc70
[  288.476251]  ? lock_downgrade+0x900/0x900
[  288.480400]  ? check_preemption_disabled+0x48/0x200
[  288.485448]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  288.491247]  ? kasan_check_read+0x11/0x20
[  288.495400]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  288.500684]  ? rcu_bh_qs+0xc0/0xc0
[  288.504232]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  288.509698]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.515243]  ? check_preemption_disabled+0x48/0x200
[  288.520274]  handle_mm_fault+0x54f/0xc70
[  288.524356]  ? __handle_mm_fault+0x53e0/0x53e0
[  288.528942]  ? find_vma+0x34/0x190
[  288.532494]  __do_page_fault+0x67d/0xed0
[  288.536569]  ? mm_fault_error+0x380/0x380
[  288.540725]  ? syscall_slow_exit_work+0x520/0x520
[  288.545579]  do_page_fault+0xf2/0x7e0
[  288.549387]  ? vmalloc_sync_all+0x30/0x30
[  288.553548]  ? error_entry+0x70/0xd0
[  288.557268]  ? trace_hardirqs_off_caller+0xbb/0x300
[  288.562285]  ? trace_hardirqs_on_caller+0xc0/0x300
[  288.567233]  ? syscall_return_slowpath+0x5e0/0x5e0
[  288.572167]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.577097]  ? trace_hardirqs_off+0x300/0x300
[  288.581591]  ? trace_hardirqs_off_caller+0x300/0x300
[  288.586699]  ? prepare_exit_to_usermode+0x291/0x3b0
[  288.591719]  ? page_fault+0x8/0x30
[  288.595264]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.600108]  ? page_fault+0x8/0x30
[  288.603648]  page_fault+0x1e/0x30
[  288.607104] RIP: 0033:0x45db60
[  288.610318] Code: Bad RIP value.
[  288.613707] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  288.619114] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  288.626392] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  288.633677] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  288.640967] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  288.648237] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  288.655541] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  288.655547] warn_alloc_show_mem: 1 callbacks suppressed
[  288.655554] Mem-Info:
[  288.662749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  288.668120] active_anon:41581 inactive_anon:372 isolated_anon:0
[  288.668120]  active_file:17 inactive_file:16 isolated_file:0
[  288.668120]  unevictable:0 dirty:0 writeback:0 unstable:0
[  288.668120]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  288.668120]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  288.668120]  free:13699 free_pcp:281 free_cma:0
[  288.670492] Call Trace:
[  288.679894] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  288.712756]  <IRQ>
[  288.715332] Node 0 
[  288.743394]  dump_stack+0x1c4/0x2b4
[  288.745552] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  288.747776]  ? dump_stack_print_info.cold.2+0x52/0x52
[  288.751389] lowmem_reserve[]: 0
[  288.776914]  warn_alloc.cold.118+0xb7/0x1bd
[  288.782078]  2817
[  288.785354]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  288.789644]  6321 6321
[  288.791721]  ? lock_downgrade+0x900/0x900
[  288.796549] Node 0 
[  288.799061]  ? trace_hardirqs_off+0xb8/0x300
[  288.803244] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  288.805458]  ? trace_hardirqs_off+0xb8/0x300
[  288.809836] lowmem_reserve[]: 0
[  288.836838]  __alloc_pages_slowpath+0x2667/0x2d80
[  288.841237]  0
[  288.844537]  ? warn_alloc+0x120/0x120
[  288.849339]  3503 3503
[  288.851163]  ? trace_hardirqs_on+0x310/0x310
[  288.854942] Node 0 
[  288.857468]  ? warn_alloc+0x120/0x120
[  288.861879] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  288.864092]  ? print_usage_bug+0xc0/0xc0
[  288.867859] lowmem_reserve[]: 0
[  288.896876]  ? warn_alloc+0x120/0x120
[  288.900925]  0
[  288.904203]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  288.907984]  0
[  288.909782]  ? print_usage_bug+0xc0/0xc0
[  288.914775]  0
[  288.916570]  ? __lock_acquire+0x7ec/0x4ec0
[  288.920607] Node 0 
[  288.922408]  ? __lock_acquire+0x7ec/0x4ec0
[  288.926618] DMA: 
[  288.928846]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.933079] 1*4kB 
[  288.935170]  ? should_fail+0x22d/0xd01
[  288.940675] (U) 
[  288.942819]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.946681] 0*8kB 
[  288.948656]  ? __lock_acquire+0x7ec/0x4ec0
[  288.953737] 0*16kB 
[  288.955877]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.960090] 1*32kB 
[  288.962322]  ? __lock_acquire+0x7ec/0x4ec0
[  288.967401] (U) 
[  288.969654]  ? should_fail+0x22d/0xd01
[  288.973868] 2*64kB 
[  288.975835]  ? print_usage_bug+0xc0/0xc0
[  288.979698] (U) 
[  288.981932]  ? mark_held_locks+0x130/0x130
[  288.985958] 1*128kB (U) 
[  288.987950]  ? mark_held_locks+0x130/0x130
[  288.992158] 1*256kB 
[  288.994822]  ? graph_lock+0x170/0x170
[  288.999028] (U) 
[  289.001344]  ? print_usage_bug+0xc0/0xc0
[  289.005120] 0*512kB 
[  289.007100]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  289.011141] 1*1024kB 
[  289.013458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.018185] (U) 
[  289.020597]  ? check_preemption_disabled+0x48/0x200
[  289.026102] 1*2048kB (M) 
[  289.028089]  ? check_preemption_disabled+0x48/0x200
[  289.033079] 3*4096kB 
[  289.035847]  ? __lock_is_held+0xb5/0x140
[  289.040833] (M) 
[  289.043244]  __alloc_pages_nodemask+0xa80/0xde0
[  289.047282] = 15908kB
[  289.049264]  ? graph_lock+0x170/0x170
[  289.053908] Node 0 
[  289.056312]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  289.060089] DMA32: 2*4kB 
[  289.062326]  ? graph_lock+0x170/0x170
[  289.067317] (M) 
[  289.070087]  ? find_held_lock+0x36/0x1c0
[  289.073852] 1*8kB (U) 
[  289.075838]  ? ____cache_alloc_node+0x1c7/0x1e0
[  289.079864] 3*16kB (M) 
[  289.082385]  ? lock_downgrade+0x900/0x900
[  289.087025] 1*32kB (M) 
[  289.089615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.093733] 3*64kB 
[  289.096314]  cache_grow_begin+0x91/0x8c0
[  289.101839] (UM) 
[  289.104072]  ? do_raw_spin_unlock+0xa7/0x2f0
[  289.108120] 3*128kB 
[  289.110195]  fallback_alloc+0x203/0x2e0
[  289.114576] (M) 
[  289.116904]  ____cache_alloc_node+0x1c7/0x1e0
[  289.120854] 3*256kB 
[  289.122828]  kmem_cache_alloc_node+0xe3/0x730
[  289.127295] (UM) 
[  289.129617]  ? ipv6_get_ifaddr+0x42e/0x620
[  289.134084] 4*512kB 
[  289.136145]  __alloc_skb+0x119/0x770
[  289.140348] (UM) 
[  289.142668]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  289.146357] 3*1024kB 
[  289.148440]  ? skb_scrub_packet+0x490/0x490
[  289.153684] (M) 
[  289.156099]  ? lock_downgrade+0x900/0x900
[  289.160390] 1*2048kB (U) 
[  289.162380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.166502] 4*4096kB 
[  289.169276]  ? refcount_sub_and_test_checked+0x203/0x310
[  289.174802] (M) 
[  289.177212]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  289.182651] = 24992kB
[  289.184626]  ? addrconf_rs_timer+0x6f0/0x6f0
[  289.190063] Node 0 
[  289.192483]  ndisc_alloc_skb+0x144/0x340
[  289.196858] Normal: 
[  289.199091]  ndisc_send_rs+0x331/0x6e0
[  289.203132] 882*4kB 
[  289.205472]  addrconf_rs_timer+0x3c0/0x6f0
[  289.209335] (UME) 
[  289.211668]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.215885] 426*8kB (MEH) 
[  289.218060]  call_timer_fn+0x272/0x920
[  289.222245] 175*16kB (UME) 
[  289.225097]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.228962] 71*32kB 
[  289.231890]  ? process_timeout+0x40/0x40
[  289.236093] (UMEH) 10*64kB 
[  289.238430]  ? find_held_lock+0x36/0x1c0
[  289.242461] (UMH) 
[  289.245394]  ? __run_timers+0x7da/0xc70
[  289.249423] 2*128kB (H) 0*256kB 
[  289.251584]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.255533] 2*512kB 
[  289.258888]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.263358] (UH) 
[  289.265677]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.270149] 0*1024kB 
[  289.272217]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  289.276427] 0*2048kB 0*4096kB 
[  289.278845]  ? trace_hardirqs_on+0xbd/0x310
[  289.283399] = 13928kB
[  289.286594]  ? kasan_check_read+0x11/0x20
[  289.290895] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  289.293298]  ? __run_timers+0x7da/0xc70
[  289.297425] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  289.306260]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  289.310238] 412 total pagecache pages
[  289.318811]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.324248] 0 pages in swap cache
[  289.328036]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.332244] Swap cache stats: add 0, delete 0, find 0/0
[  289.332253] Free swap  = 0kB
[  289.335709]  __run_timers+0x7e5/0xc70
[  289.339926] Total swap = 0kB
[  289.345290]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  289.348277] 1965979 pages RAM
[  289.352080]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  289.355069] 0 pages HighMem/MovableOnly
[  289.355078] 342744 pages reserved
[  289.360488]  ? graph_lock+0x170/0x170
[  289.363571] 0 pages cma reserved
[  289.368599]  ? enqueue_hrtimer+0x1a5/0x560
[  289.372629] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  289.375973]  ? lock_release+0x970/0x970
[  289.375989]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  289.376011]  ? find_held_lock+0x36/0x1c0
[  289.379866] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  289.383158]  ? graph_lock+0x170/0x170
[  289.387383] syz-fuzzer cpuset=
[  289.393872]  ? pvclock_read_flags+0x160/0x160
[  289.397823] /
[  289.403012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.407054]  mems_allowed=0
[  289.417277]  ? check_preemption_disabled+0x48/0x200
[  289.443885]  ? __lock_is_held+0xb5/0x140
[  289.447952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.453497]  ? check_preemption_disabled+0x48/0x200
[  289.458523]  run_timer_softirq+0x52/0xb0
[  289.462589]  ? rcu_read_lock_sched_held+0x108/0x120
[  289.467609]  __do_softirq+0x30b/0xad8
[  289.471429]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  289.476544]  ? pvclock_read_flags+0x160/0x160
[  289.481041]  ? lapic_next_event+0x5a/0x90
[  289.485190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.490735]  ? check_preemption_disabled+0x48/0x200
[  289.495755]  ? check_preemption_disabled+0x48/0x200
[  289.500778]  ? kvm_clock_read+0x18/0x30
[  289.504754]  ? kvm_sched_clock_read+0x9/0x20
[  289.509165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.514704]  ? check_preemption_disabled+0x48/0x200
[  289.519782]  irq_exit+0x17f/0x1c0
[  289.523253]  smp_apic_timer_interrupt+0x1cb/0x760
[  289.528115]  ? smp_reschedule_interrupt+0x109/0x650
[  289.533132]  ? smp_call_function_single_interrupt+0x650/0x650
[  289.539016]  ? interrupt_entry+0xb5/0xf0
[  289.543085]  ? trace_hardirqs_off_caller+0xbb/0x300
[  289.548116]  ? trace_hardirqs_off_caller+0xbb/0x300
[  289.553153]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.558001]  ? trace_hardirqs_off+0x300/0x300
[  289.562508]  ? trace_hardirqs_off+0x300/0x300
[  289.567009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.572551]  ? check_preemption_disabled+0x48/0x200
[  289.577569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.583115]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.587981]  apic_timer_interrupt+0xf/0x20
[  289.592215]  </IRQ>
[  289.594469] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  289.599401] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  289.618306] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  289.626026] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  289.633306] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  289.640586] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  289.647855] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  289.655125] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  289.662446]  skb_clone+0x1bb/0x500
[  289.665986]  ? finish_task_switch+0x2f5/0x900
[  289.670550]  ? skb_split+0x11e0/0x11e0
[  289.674450]  ? preempt_notifier_register+0x200/0x200
[  289.679563]  ? __switch_to_asm+0x34/0x70
[  289.683621]  ? __switch_to_asm+0x34/0x70
[  289.687679]  ? __switch_to_asm+0x40/0x70
[  289.691760]  ? __switch_to_asm+0x34/0x70
[  289.695841]  ? __switch_to_asm+0x40/0x70
[  289.699920]  ? __switch_to_asm+0x34/0x70
[  289.703985]  ? __switch_to_asm+0x40/0x70
[  289.708048]  ? __switch_to_asm+0x34/0x70
[  289.712125]  ? __switch_to_asm+0x34/0x70
[  289.716256]  ? __switch_to_asm+0x40/0x70
[  289.720313]  ? __switch_to_asm+0x34/0x70
[  289.724382]  bpf_clone_redirect+0xb9/0x490
[  289.728620]  ? __schedule+0x874/0x1ed0
[  289.732743]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  289.737775]  ? __sched_text_start+0x8/0x8
[  289.741925]  ? lockdep_hardirqs_on+0x421/0x5c0
[  289.746517]  ? retint_kernel+0x2d/0x2d
[  289.750406]  ? trace_hardirqs_on_caller+0xc0/0x300
[  289.755342]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  289.760110]  ? find_held_lock+0x36/0x1c0
[  289.764182]  ? lock_acquire+0x1ed/0x520
[  289.768193]  ? bpf_test_run+0x32e/0x5a0
[  289.772188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.777733]  ? check_preemption_disabled+0x48/0x200
[  289.782758]  ? kasan_check_read+0x11/0x20
[  289.786907]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  289.792202]  ? rcu_bh_qs+0xc0/0xc0
[  289.795748]  ? preempt_schedule+0x4d/0x60
[  289.799910]  ? ___preempt_schedule+0x16/0x18
[  289.804346]  ? bpf_test_run+0x1c0/0x5a0
[  289.808344]  ? netlink_diag_dump+0x2a0/0x2a0
[  289.812760]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.818338]  ? bpf_test_init.isra.9+0x70/0x100
[  289.822942]  ? bpf_prog_test_run_skb+0x634/0xb40
[  289.827706]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  289.832555]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  289.838108]  ? fput+0x130/0x1a0
[  289.841599]  ? __bpf_prog_get+0x9b/0x290
[  289.845663]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  289.850511]  ? bpf_prog_test_run+0x130/0x1a0
[  289.854933]  ? __x64_sys_bpf+0x3d8/0x510
[  289.858993]  ? bpf_prog_get+0x20/0x20
[  289.862809]  ? ksys_ioctl+0x81/0xd0
[  289.866463]  ? do_syscall_64+0x1b9/0x820
[  289.870527]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  289.875892]  ? syscall_return_slowpath+0x5e0/0x5e0
[  289.880856]  ? trace_hardirqs_off+0x300/0x300
[  289.885360]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  289.890377]  ? recalc_sigpending_tsk+0x180/0x180
[  289.895135]  ? kasan_check_write+0x14/0x20
[  289.899379]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.904255]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  289.909641] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  289.909738] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  289.916577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  289.916583] Call Trace:
[  289.916590]  <IRQ>
[  289.916608]  dump_stack+0x1c4/0x2b4
[  289.916627]  ? dump_stack_print_info.cold.2+0x52/0x52
[  289.923167] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  289.932470]  warn_alloc.cold.118+0xb7/0x1bd
[  289.935022] syz-executor4 cpuset=
[  289.937168]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  289.940798] syz4
[  289.945990]  ? lock_downgrade+0x900/0x900
[  289.956456]  mems_allowed=0
[  289.960779]  ? trace_hardirqs_off+0xb8/0x300
[  289.982456]  ? trace_hardirqs_off+0xb8/0x300
[  289.986891]  __alloc_pages_slowpath+0x2667/0x2d80
[  289.991766]  ? warn_alloc+0x120/0x120
[  289.995569]  ? warn_alloc+0x120/0x120
[  289.999373]  ? print_usage_bug+0xc0/0xc0
[  290.003441]  ? warn_alloc+0x120/0x120
[  290.007243]  ? print_usage_bug+0xc0/0xc0
[  290.011323]  ? __lock_acquire+0x7ec/0x4ec0
[  290.015556]  ? __lock_acquire+0x7ec/0x4ec0
[  290.019801]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.025339]  ? should_fail+0x22d/0xd01
[  290.029238]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.034342]  ? __lock_acquire+0x7ec/0x4ec0
[  290.038585]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.043698]  ? __lock_acquire+0x7ec/0x4ec0
[  290.047932]  ? should_fail+0x22d/0xd01
[  290.051830]  ? mark_held_locks+0x130/0x130
[  290.056073]  ? mark_held_locks+0x130/0x130
[  290.060318]  ? graph_lock+0x170/0x170
[  290.064114]  ? graph_lock+0x170/0x170
[  290.067917]  ? graph_lock+0x170/0x170
[  290.071724]  ? print_usage_bug+0xc0/0xc0
[  290.075790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.081329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.086867]  ? check_preemption_disabled+0x48/0x200
[  290.091888]  ? check_preemption_disabled+0x48/0x200
[  290.096930]  ? __lock_is_held+0xb5/0x140
[  290.101006]  __alloc_pages_nodemask+0xa80/0xde0
[  290.105676]  ? graph_lock+0x170/0x170
[  290.109482]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  290.114492]  ? graph_lock+0x170/0x170
[  290.118312]  ? find_held_lock+0x36/0x1c0
[  290.122395]  ? ____cache_alloc_node+0x1c7/0x1e0
[  290.127072]  ? lock_downgrade+0x900/0x900
[  290.131234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.136776]  cache_grow_begin+0x91/0x8c0
[  290.140843]  ? do_raw_spin_unlock+0xa7/0x2f0
[  290.145260]  fallback_alloc+0x203/0x2e0
[  290.149245]  ____cache_alloc_node+0x1c7/0x1e0
[  290.153751]  kmem_cache_alloc_node+0xe3/0x730
[  290.158264]  ? ipv6_get_ifaddr+0x42e/0x620
[  290.162520]  __alloc_skb+0x119/0x770
[  290.166234]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  290.171513]  ? skb_scrub_packet+0x490/0x490
[  290.175834]  ? lock_downgrade+0x900/0x900
[  290.179989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.185530]  ? refcount_sub_and_test_checked+0x203/0x310
[  290.190985]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  290.196443]  ? addrconf_rs_timer+0x6f0/0x6f0
[  290.200868]  ndisc_alloc_skb+0x144/0x340
[  290.204937]  ndisc_send_rs+0x331/0x6e0
[  290.208834]  addrconf_rs_timer+0x3c0/0x6f0
[  290.213080]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.217368]  call_timer_fn+0x272/0x920
[  290.221256]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.225494]  ? process_timeout+0x40/0x40
[  290.229566]  ? find_held_lock+0x36/0x1c0
[  290.233649]  ? mark_held_locks+0xc7/0x130
[  290.237803]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.242317]  ? _raw_spin_unlock_irq+0x27/0x80
[  290.246814]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.251046]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  290.255635]  ? trace_hardirqs_on+0xbd/0x310
[  290.259958]  ? kasan_check_read+0x11/0x20
[  290.264107]  ? __run_timers+0x7da/0xc70
[  290.268097]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  290.273563]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.277805]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  290.282054]  __run_timers+0x7e5/0xc70
[  290.285873]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  290.291252]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  290.296309]  ? graph_lock+0x170/0x170
[  290.300115]  ? print_usage_bug+0xc0/0xc0
[  290.304173]  ? lock_release+0x970/0x970
[  290.308167]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  290.313364]  ? find_held_lock+0x36/0x1c0
[  290.317439]  ? graph_lock+0x170/0x170
[  290.321249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.326825]  ? check_preemption_disabled+0x48/0x200
[  290.331871]  ? __lock_is_held+0xb5/0x140
[  290.335936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.341474]  ? check_preemption_disabled+0x48/0x200
[  290.346502]  run_timer_softirq+0x52/0xb0
[  290.350569]  ? rcu_read_lock_sched_held+0x108/0x120
[  290.355593]  __do_softirq+0x30b/0xad8
[  290.359409]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  290.364532]  ? pvclock_read_flags+0x160/0x160
[  290.369029]  ? lapic_next_event+0x5a/0x90
[  290.373191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.378783]  ? check_preemption_disabled+0x48/0x200
[  290.383799]  ? check_preemption_disabled+0x48/0x200
[  290.388827]  ? kvm_clock_read+0x18/0x30
[  290.392801]  ? kvm_sched_clock_read+0x9/0x20
[  290.397231]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.402770]  ? check_preemption_disabled+0x48/0x200
[  290.407800]  irq_exit+0x17f/0x1c0
[  290.411263]  smp_apic_timer_interrupt+0x1cb/0x760
[  290.416207]  ? smp_reschedule_interrupt+0x109/0x650
[  290.421231]  ? smp_call_function_single_interrupt+0x650/0x650
[  290.427112]  ? interrupt_entry+0xb5/0xf0
[  290.431178]  ? trace_hardirqs_off_caller+0xbb/0x300
[  290.436199]  ? trace_hardirqs_off_caller+0xbb/0x300
[  290.441236]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.446098]  ? trace_hardirqs_off+0x300/0x300
[  290.450595]  ? trace_hardirqs_off+0x300/0x300
[  290.455096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.460641]  ? check_preemption_disabled+0x48/0x200
[  290.465662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.471215]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.476072]  apic_timer_interrupt+0xf/0x20
[  290.480302]  </IRQ>
[  290.482548] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  290.487831] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  290.506753] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  290.514466] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  290.521732] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  290.529002] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  290.536265] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  290.543531] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  290.550851]  ? arch_local_irq_restore+0x45/0x52
[  290.555539]  dump_stack+0x26a/0x2b4
[  290.559232]  ? dump_stack_print_info.cold.2+0x52/0x52
[  290.564447]  ? mark_held_locks+0x130/0x130
[  290.568693]  ? mark_held_locks+0x130/0x130
[  290.572971]  dump_header+0x27b/0xf72
[  290.576697]  ? pagefault_out_of_memory+0x197/0x197
[  290.581664]  ? mark_held_locks+0x130/0x130
[  290.585900]  ? __lock_acquire+0x7ec/0x4ec0
[  290.590150]  ? mem_cgroup_charge_statistics+0x780/0x780
[  290.595528]  ? print_usage_bug+0xc0/0xc0
[  290.599587]  ? print_usage_bug+0xc0/0xc0
[  290.603657]  ? graph_lock+0x170/0x170
[  290.607469]  ? graph_lock+0x170/0x170
[  290.611279]  ? print_usage_bug+0xc0/0xc0
[  290.615337]  ? print_usage_bug+0xc0/0xc0
[  290.619407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.624958]  ? find_held_lock+0x36/0x1c0
[  290.629028]  ? mark_held_locks+0xc7/0x130
[  290.633183]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  290.638309]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  290.643411]  ? lockdep_hardirqs_on+0x421/0x5c0
[  290.648005]  ? trace_hardirqs_on+0xbd/0x310
[  290.652330]  ? kasan_check_read+0x11/0x20
[  290.656480]  ? ___ratelimit+0x36f/0x655
[  290.660459]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  290.665911]  ? trace_hardirqs_on+0x310/0x310
[  290.670323]  ? lock_downgrade+0x900/0x900
[  290.674494]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  290.679614]  ? ___ratelimit+0xaa/0x655
[  290.683514]  ? idr_get_free+0xec0/0xec0
[  290.687496]  ? kasan_check_write+0x14/0x20
[  290.691736]  ? do_raw_spin_lock+0xc1/0x200
[  290.695986]  oom_kill_process.cold.27+0x10/0x903
[  290.700769]  ? graph_lock+0x170/0x170
[  290.704581]  ? _raw_spin_unlock+0x2c/0x50
[  290.708729]  ? oom_badness+0xe6/0xaa0
[  290.712564]  ? oom_evaluate_task+0x540/0x540
[  290.717029]  ? find_held_lock+0x36/0x1c0
[  290.721106]  ? out_of_memory+0x974/0x14c0
[  290.725252]  ? lock_downgrade+0x900/0x900
[  290.729405]  ? check_preemption_disabled+0x48/0x200
[  290.734623]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  290.740428]  ? kasan_check_read+0x11/0x20
[  290.744598]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  290.749878]  ? rcu_bh_qs+0xc0/0xc0
[  290.753423]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  290.758554]  ? oom_evaluate_task+0x302/0x540
[  290.762970]  out_of_memory+0xa86/0x14c0
[  290.766976]  ? oom_killer_disable+0x3a0/0x3a0
[  290.771485]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  290.776423]  ? __mutex_add_waiter+0x2a0/0x2a0
[  290.780935]  __alloc_pages_slowpath+0x2318/0x2d80
[  290.785811]  ? warn_alloc+0x120/0x120
[  290.789702]  ? __radix_tree_lookup+0x4c0/0x4c0
[  290.794298]  ? find_get_entry+0x2f2/0xc40
[  290.798454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.803995]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  290.808924]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.814467]  ? should_fail+0x22d/0xd01
[  290.818364]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.823483]  ? __lock_is_held+0xb5/0x140
[  290.827594]  ? __lock_is_held+0xb5/0x140
[  290.831669]  ? find_held_lock+0x36/0x1c0
[  290.835736]  ? ___might_sleep+0x1ed/0x300
[  290.839884]  ? lock_release+0x970/0x970
[  290.843862]  ? arch_local_save_flags+0x40/0x40
[  290.848558]  ? __might_sleep+0x95/0x190
[  290.852553]  __alloc_pages_nodemask+0xa80/0xde0
[  290.857249]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  290.862272]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  290.868073]  ? kasan_check_read+0x11/0x20
[  290.872229]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  290.877519]  ? graph_lock+0x170/0x170
[  290.881323]  ? print_usage_bug+0xc0/0xc0
[  290.885452]  ? graph_lock+0x170/0x170
[  290.889253]  ? graph_lock+0x170/0x170
[  290.893058]  ? __do_page_cache_readahead+0x7ce/0x980
[  290.898166]  ? find_held_lock+0x36/0x1c0
[  290.902237]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  290.907780]  alloc_pages_current+0x10c/0x210
[  290.912190]  ? lock_downgrade+0x900/0x900
[  290.916349]  __page_cache_alloc+0x38f/0x5b0
[  290.920674]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  290.926476]  ? kasan_check_read+0x11/0x20
[  290.930626]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  290.935910]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  290.940591]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.946130]  ? check_preemption_disabled+0x48/0x200
[  290.951156]  filemap_fault+0x1594/0x25f0
[  290.955242]  ? __lock_page_or_retry+0xa00/0xa00
[  290.959921]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  290.965725]  ? kasan_check_read+0x11/0x20
[  290.969876]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  290.975154]  ? rcu_bh_qs+0xc0/0xc0
[  290.978714]  ? print_usage_bug+0xc0/0xc0
[  290.982783]  ? filemap_map_pages+0xdea/0x1980
[  290.987298]  ? print_usage_bug+0xc0/0xc0
[  290.991385]  ? find_get_pages_range_tag+0x1320/0x1320
[  290.996574]  ? print_usage_bug+0xc0/0xc0
[  291.000650]  ? __lock_acquire+0x7ec/0x4ec0
[  291.004887]  ? graph_lock+0x170/0x170
[  291.008723]  ? __sigqueue_free.part.27+0x7d/0xa0
[  291.013486]  ? __lock_acquire+0x7ec/0x4ec0
[  291.017776]  ? lock_acquire+0x1ed/0x520
[  291.021752]  ? ext4_filemap_fault+0x7a/0xad
[  291.026079]  ? lock_release+0x970/0x970
[  291.030055]  ? arch_local_save_flags+0x40/0x40
[  291.034638]  ? mark_held_locks+0x130/0x130
[  291.038889]  ? down_read+0xb0/0x1d0
[  291.042538]  ? ext4_filemap_fault+0x7a/0xad
[  291.046871]  ? __down_interruptible+0x700/0x700
[  291.051545]  ? graph_lock+0x170/0x170
[  291.055350]  ? __sigqueue_free.part.27+0x7d/0xa0
[  291.060118]  ext4_filemap_fault+0x82/0xad
[  291.064273]  __do_fault+0x100/0x6b0
[  291.067906]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  291.073199]  ? print_bad_pte+0x6c0/0x6c0
[  291.077277]  ? pmd_val+0x88/0x100
[  291.080733]  ? add_mm_counter_fast+0xd0/0xd0
[  291.085138]  ? pmd_val+0x88/0x100
[  291.088598]  ? add_mm_counter_fast+0xd0/0xd0
[  291.093011]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.098586]  __handle_mm_fault+0x3709/0x53e0
[  291.103006]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  291.107851]  ? graph_lock+0x170/0x170
[  291.111658]  ? print_usage_bug+0xc0/0xc0
[  291.115729]  ? graph_lock+0x170/0x170
[  291.119542]  ? graph_lock+0x170/0x170
[  291.123363]  ? handle_mm_fault+0x42a/0xc70
[  291.127600]  ? lock_downgrade+0x900/0x900
[  291.131754]  ? check_preemption_disabled+0x48/0x200
[  291.136780]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  291.142582]  ? kasan_check_read+0x11/0x20
[  291.146734]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  291.152013]  ? rcu_bh_qs+0xc0/0xc0
[  291.155554]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  291.161009]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.166559]  ? check_preemption_disabled+0x48/0x200
[  291.171589]  handle_mm_fault+0x54f/0xc70
[  291.175657]  ? __handle_mm_fault+0x53e0/0x53e0
[  291.180244]  ? find_vma+0x34/0x190
[  291.183796]  __do_page_fault+0x67d/0xed0
[  291.187868]  ? mm_fault_error+0x380/0x380
[  291.192022]  ? syscall_slow_exit_work+0x520/0x520
[  291.196872]  do_page_fault+0xf2/0x7e0
[  291.200676]  ? vmalloc_sync_all+0x30/0x30
[  291.204826]  ? error_entry+0x70/0xd0
[  291.208549]  ? trace_hardirqs_off_caller+0xbb/0x300
[  291.213565]  ? trace_hardirqs_on_caller+0xc0/0x300
[  291.218496]  ? syscall_return_slowpath+0x5e0/0x5e0
[  291.223424]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.228296]  ? trace_hardirqs_off+0x300/0x300
[  291.232794]  ? trace_hardirqs_off_caller+0x300/0x300
[  291.237902]  ? prepare_exit_to_usermode+0x291/0x3b0
[  291.242924]  ? page_fault+0x8/0x30
[  291.246470]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.251328]  ? page_fault+0x8/0x30
[  291.254882]  page_fault+0x1e/0x30
[  291.258339] RIP: 0033:0x45db60
[  291.261536] Code: Bad RIP value.
[  291.264896] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  291.270293] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  291.277620] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  291.284919] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  291.292300] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  291.299565] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  291.306862] warn_alloc_show_mem: 1 callbacks suppressed
[  291.306874] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  291.306877] Mem-Info:
[  291.306909] active_anon:41581 inactive_anon:372 isolated_anon:0
[  291.306909]  active_file:17 inactive_file:16 isolated_file:0
[  291.306909]  unevictable:0 dirty:0 writeback:0 unstable:0
[  291.306909]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  291.306909]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  291.306909]  free:13699 free_pcp:281 free_cma:0
[  291.312254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  291.319462] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  291.321864] Call Trace:
[  291.354751] Node 0 
[  291.364113]  <IRQ>
[  291.391715] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  291.394299]  dump_stack+0x1c4/0x2b4
[  291.396502] lowmem_reserve[]: 0
[  291.398683]  ? dump_stack_print_info.cold.2+0x52/0x52
[  291.424183]  2817
[  291.427841]  warn_alloc.cold.118+0xb7/0x1bd
[  291.431111]  6321
[  291.436301]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  291.438346]  6321
[  291.442667]  ? lock_downgrade+0x900/0x900
[  291.449571]  ? trace_hardirqs_off+0xb8/0x300
[  291.451612] Node 0 
[  291.455759]  ? trace_hardirqs_off+0xb8/0x300
[  291.460184] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  291.462398]  __alloc_pages_slowpath+0x2667/0x2d80
[  291.466769] lowmem_reserve[]: 0
[  291.493796]  ? warn_alloc+0x120/0x120
[  291.498599]  0
[  291.501889]  ? warn_alloc+0x120/0x120
[  291.505667]  3503
[  291.507468]  ? print_usage_bug+0xc0/0xc0
[  291.511236]  3503
[  291.513302]  ? warn_alloc+0x120/0x120
[  291.517339] Node 0 
[  291.519401]  ? print_usage_bug+0xc0/0xc0
[  291.523205] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  291.525412]  ? __lock_acquire+0x7ec/0x4ec0
[  291.529456] lowmem_reserve[]: 0
[  291.557839]  ? __lock_acquire+0x7ec/0x4ec0
[  291.562054]  0
[  291.565333]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.569534]  0 0
[  291.571438]  ? should_fail+0x22d/0xd01
[  291.576945] Node 0 
[  291.578920]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.582778] DMA: 1*4kB 
[  291.585023]  ? __lock_acquire+0x7ec/0x4ec0
[  291.590100] (U) 
[  291.592682]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.596889] 0*8kB 0*16kB 
[  291.598872]  ? __lock_acquire+0x7ec/0x4ec0
[  291.603967] 1*32kB 
[  291.606722]  ? should_fail+0x22d/0xd01
[  291.610932] (U) 
[  291.613169]  ? mark_held_locks+0x130/0x130
[  291.617022] 2*64kB (U) 
[  291.619003]  ? mark_held_locks+0x130/0x130
[  291.623216] 1*128kB 
[  291.625792]  ? graph_lock+0x170/0x170
[  291.630006] (U) 
[  291.632325]  ? graph_lock+0x170/0x170
[  291.636098] 1*256kB (U) 
[  291.638107]  ? graph_lock+0x170/0x170
[  291.641914] 0*512kB 
[  291.644613]  ? print_usage_bug+0xc0/0xc0
[  291.648400] 1*1024kB 
[  291.650734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.654773] (U) 
[  291.657183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.662697] 1*2048kB 
[  291.664677]  ? check_preemption_disabled+0x48/0x200
[  291.670212] (M) 
[  291.672613]  ? check_preemption_disabled+0x48/0x200
[  291.677613] 3*4096kB (M) 
[  291.679613]  ? __lock_is_held+0xb5/0x140
[  291.684603] = 15908kB
[  291.687359]  __alloc_pages_nodemask+0xa80/0xde0
[  291.691396] Node 0 
[  291.693805]  ? graph_lock+0x170/0x170
[  291.698448] DMA32: 2*4kB 
[  291.700688]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  291.704465] (M) 
[  291.707225]  ? graph_lock+0x170/0x170
[  291.712217] 1*8kB (U) 
[  291.714208]  ? find_held_lock+0x36/0x1c0
[  291.717984] 3*16kB 
[  291.720499]  ? ____cache_alloc_node+0x1c7/0x1e0
[  291.724544] (M) 
[  291.726777]  ? lock_downgrade+0x900/0x900
[  291.731420] 1*32kB (M) 3*64kB 
[  291.733616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.737739] (UM) 
[  291.740943]  cache_grow_begin+0x91/0x8c0
[  291.746461] 3*128kB (M) 
[  291.748535]  ? do_raw_spin_unlock+0xa7/0x2f0
[  291.752590] 3*256kB (UM) 
[  291.755276]  fallback_alloc+0x203/0x2e0
[  291.759661] 4*512kB 
[  291.762429]  ____cache_alloc_node+0x1c7/0x1e0
[  291.766379] (UM) 3*1024kB 
[  291.768730]  kmem_cache_alloc_node+0xe3/0x730
[  291.773213] (M) 
[  291.776066]  ? ipv6_get_ifaddr+0x42e/0x620
[  291.780530] 1*2048kB (U) 
[  291.782546]  __alloc_skb+0x119/0x770
[  291.786745] 4*4096kB (M) 
[  291.789529]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  291.793218] = 24992kB
[  291.795978]  ? skb_scrub_packet+0x490/0x490
[  291.801246] Node 0 
[  291.803655]  ? lock_downgrade+0x900/0x900
[  291.807945] Normal: 882*4kB 
[  291.810192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.814313] (UME) 
[  291.817331]  ? refcount_sub_and_test_checked+0x203/0x310
[  291.822858] 426*8kB (MEH) 
[  291.825024]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  291.830461] 175*16kB (UME) 
[  291.833327]  ? addrconf_rs_timer+0x6f0/0x6f0
[  291.838754] 71*32kB 
[  291.841844]  ndisc_alloc_skb+0x144/0x340
[  291.846229] (UMEH) 
[  291.848557]  ndisc_send_rs+0x331/0x6e0
[  291.852602] 10*64kB 
[  291.854840]  addrconf_rs_timer+0x3c0/0x6f0
[  291.858708] (UMH) 2*128kB 
[  291.861038]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.865246] (H) 
[  291.868099]  call_timer_fn+0x272/0x920
[  291.872304] 0*256kB 
[  291.874280]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.878144] 2*512kB 
[  291.880484]  ? process_timeout+0x40/0x40
[  291.884694] (UH) 0*1024kB 
[  291.887050]  ? find_held_lock+0x36/0x1c0
[  291.891082] 0*2048kB 0*4096kB 
[  291.893950]  ? __run_timers+0x7da/0xc70
[  291.897987] = 13928kB
[  291.898027] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  291.901221]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.905174] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  291.905184] 412 total pagecache pages
[  291.907616]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.916445] 0 pages in swap cache
[  291.920935]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.929484] Swap cache stats: add 0, delete 0, find 0/0
[  291.929495] Free swap  = 0kB
[  291.933295]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  291.937768] Total swap = 0kB
[  291.941231]  ? trace_hardirqs_on+0xbd/0x310
[  291.945461] 1965979 pages RAM
[  291.950831]  ? kasan_check_read+0x11/0x20
[  291.953815] 0 pages HighMem/MovableOnly
[  291.953824] 342744 pages reserved
[  291.958409]  ? __run_timers+0x7da/0xc70
[  291.961412] 0 pages cma reserved
[  291.965741]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  291.968896] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  291.972982]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.977062] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  291.980416]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.984376] syz-fuzzer cpuset=
[  291.987755]  __run_timers+0x7e5/0xc70
[  291.993189] /
[  291.999757]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  292.003918]  mems_allowed=0
[  292.014144]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  292.040334]  ? graph_lock+0x170/0x170
[  292.044151]  ? enqueue_hrtimer+0x1a5/0x560
[  292.048388]  ? lock_release+0x970/0x970
[  292.052369]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  292.057673]  ? find_held_lock+0x36/0x1c0
[  292.061758]  ? graph_lock+0x170/0x170
[  292.065586]  ? pvclock_read_flags+0x160/0x160
[  292.070109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.075664]  ? check_preemption_disabled+0x48/0x200
[  292.080730]  ? __lock_is_held+0xb5/0x140
[  292.084818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.090358]  ? check_preemption_disabled+0x48/0x200
[  292.095382]  run_timer_softirq+0x52/0xb0
[  292.099444]  ? rcu_read_lock_sched_held+0x108/0x120
[  292.104468]  __do_softirq+0x30b/0xad8
[  292.108294]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  292.113438]  ? pvclock_read_flags+0x160/0x160
[  292.117935]  ? lapic_next_event+0x5a/0x90
[  292.122090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.127665]  ? check_preemption_disabled+0x48/0x200
[  292.132691]  ? check_preemption_disabled+0x48/0x200
[  292.137771]  ? kvm_clock_read+0x18/0x30
[  292.141762]  ? kvm_sched_clock_read+0x9/0x20
[  292.146179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.151744]  ? check_preemption_disabled+0x48/0x200
[  292.156777]  irq_exit+0x17f/0x1c0
[  292.160238]  smp_apic_timer_interrupt+0x1cb/0x760
[  292.165099]  ? smp_reschedule_interrupt+0x109/0x650
[  292.170119]  ? smp_call_function_single_interrupt+0x650/0x650
[  292.176030]  ? interrupt_entry+0xb5/0xf0
[  292.180109]  ? trace_hardirqs_off_caller+0xbb/0x300
[  292.185123]  ? trace_hardirqs_off_caller+0xbb/0x300
[  292.190144]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.195014]  ? trace_hardirqs_off+0x300/0x300
[  292.199532]  ? trace_hardirqs_off+0x300/0x300
[  292.204035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.209577]  ? check_preemption_disabled+0x48/0x200
[  292.214603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.220160]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.225020]  apic_timer_interrupt+0xf/0x20
[  292.229254]  </IRQ>
[  292.231501] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  292.236457] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  292.255382] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  292.263108] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  292.270405] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  292.277693] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  292.284980] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  292.292275] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  292.299623]  skb_clone+0x1bb/0x500
[  292.303219]  ? finish_task_switch+0x2f5/0x900
[  292.307750]  ? skb_split+0x11e0/0x11e0
[  292.311644]  ? preempt_notifier_register+0x200/0x200
[  292.316751]  ? __switch_to_asm+0x34/0x70
[  292.320815]  ? __switch_to_asm+0x34/0x70
[  292.324873]  ? __switch_to_asm+0x40/0x70
[  292.328937]  ? __switch_to_asm+0x34/0x70
[  292.332994]  ? __switch_to_asm+0x40/0x70
[  292.337054]  ? __switch_to_asm+0x34/0x70
[  292.341112]  ? __switch_to_asm+0x40/0x70
[  292.345179]  ? __switch_to_asm+0x34/0x70
[  292.349240]  ? __switch_to_asm+0x34/0x70
[  292.353300]  ? __switch_to_asm+0x40/0x70
[  292.357359]  ? __switch_to_asm+0x34/0x70
[  292.361445]  bpf_clone_redirect+0xb9/0x490
[  292.365695]  ? __schedule+0x874/0x1ed0
[  292.369598]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  292.374629]  ? __sched_text_start+0x8/0x8
[  292.378787]  ? lockdep_hardirqs_on+0x421/0x5c0
[  292.383370]  ? retint_kernel+0x2d/0x2d
[  292.387266]  ? trace_hardirqs_on_caller+0xc0/0x300
[  292.392197]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  292.396984]  ? find_held_lock+0x36/0x1c0
[  292.401085]  ? lock_acquire+0x1ed/0x520
[  292.405075]  ? bpf_test_run+0x32e/0x5a0
[  292.409052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.414595]  ? check_preemption_disabled+0x48/0x200
[  292.419622]  ? kasan_check_read+0x11/0x20
[  292.423793]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  292.429071]  ? rcu_bh_qs+0xc0/0xc0
[  292.432616]  ? preempt_schedule+0x4d/0x60
[  292.436767]  ? ___preempt_schedule+0x16/0x18
[  292.441189]  ? bpf_test_run+0x1c0/0x5a0
[  292.445193]  ? netlink_diag_dump+0x2a0/0x2a0
[  292.449608]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.455149]  ? bpf_test_init.isra.9+0x70/0x100
[  292.459745]  ? bpf_prog_test_run_skb+0x634/0xb40
[  292.464514]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  292.469358]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  292.474899]  ? fput+0x130/0x1a0
[  292.478180]  ? __bpf_prog_get+0x9b/0x290
[  292.482253]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  292.487101]  ? bpf_prog_test_run+0x130/0x1a0
[  292.491516]  ? __x64_sys_bpf+0x3d8/0x510
[  292.495587]  ? bpf_prog_get+0x20/0x20
[  292.499400]  ? ksys_ioctl+0x81/0xd0
[  292.503048]  ? do_syscall_64+0x1b9/0x820
[  292.507128]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  292.512502]  ? syscall_return_slowpath+0x5e0/0x5e0
[  292.517478]  ? trace_hardirqs_off+0x300/0x300
[  292.522020]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  292.527048]  ? recalc_sigpending_tsk+0x180/0x180
[  292.531826]  ? kasan_check_write+0x14/0x20
[  292.536071]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.540946]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  292.546365] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  292.546467] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  292.553304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  292.553314] Call Trace:
[  292.559895] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  292.569143]  <IRQ>
[  292.571723] syz-executor4 cpuset=
[  292.582216]  dump_stack+0x1c4/0x2b4
[  292.584335] syz4
[  292.587787]  ? dump_stack_print_info.cold.2+0x52/0x52
[  292.591382]  mems_allowed=0
[  292.601463]  warn_alloc.cold.118+0xb7/0x1bd
[  292.605789]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  292.610638]  ? lock_downgrade+0x900/0x900
[  292.614800]  ? trace_hardirqs_off+0xb8/0x300
[  292.619221]  ? trace_hardirqs_off+0xb8/0x300
[  292.623639]  __alloc_pages_slowpath+0x2667/0x2d80
[  292.628513]  ? warn_alloc+0x120/0x120
[  292.632332]  ? trace_hardirqs_on+0x310/0x310
[  292.636757]  ? warn_alloc+0x120/0x120
[  292.640562]  ? print_usage_bug+0xc0/0xc0
[  292.644635]  ? warn_alloc+0x120/0x120
[  292.648463]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  292.653495]  ? print_usage_bug+0xc0/0xc0
[  292.657570]  ? __lock_acquire+0x7ec/0x4ec0
[  292.661815]  ? __lock_acquire+0x7ec/0x4ec0
[  292.666068]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.671611]  ? should_fail+0x22d/0xd01
[  292.675514]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.680621]  ? __lock_acquire+0x7ec/0x4ec0
[  292.684862]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.689969]  ? __lock_acquire+0x7ec/0x4ec0
[  292.694220]  ? should_fail+0x22d/0xd01
[  292.698111]  ? print_usage_bug+0xc0/0xc0
[  292.702187]  ? mark_held_locks+0x130/0x130
[  292.706437]  ? mark_held_locks+0x130/0x130
[  292.710683]  ? graph_lock+0x170/0x170
[  292.714501]  ? print_usage_bug+0xc0/0xc0
[  292.718566]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  292.723345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.728892]  ? check_preemption_disabled+0x48/0x200
[  292.734148]  ? check_preemption_disabled+0x48/0x200
[  292.739181]  ? __lock_is_held+0xb5/0x140
[  292.743261]  __alloc_pages_nodemask+0xa80/0xde0
[  292.747947]  ? graph_lock+0x170/0x170
[  292.751786]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  292.756817]  ? graph_lock+0x170/0x170
[  292.760645]  ? find_held_lock+0x36/0x1c0
[  292.764728]  ? ____cache_alloc_node+0x1c7/0x1e0
[  292.769406]  ? lock_downgrade+0x900/0x900
[  292.773595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.779140]  cache_grow_begin+0x91/0x8c0
[  292.783220]  ? do_raw_spin_unlock+0xa7/0x2f0
[  292.787642]  fallback_alloc+0x203/0x2e0
[  292.791626]  ____cache_alloc_node+0x1c7/0x1e0
[  292.796129]  kmem_cache_alloc_node+0xe3/0x730
[  292.800631]  ? ipv6_get_ifaddr+0x42e/0x620
[  292.804882]  __alloc_skb+0x119/0x770
[  292.808602]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  292.813889]  ? skb_scrub_packet+0x490/0x490
[  292.818244]  ? lock_downgrade+0x900/0x900
[  292.822425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.827964]  ? refcount_sub_and_test_checked+0x203/0x310
[  292.833424]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  292.838882]  ? addrconf_rs_timer+0x6f0/0x6f0
[  292.843752]  ndisc_alloc_skb+0x144/0x340
[  292.847825]  ndisc_send_rs+0x331/0x6e0
[  292.851722]  addrconf_rs_timer+0x3c0/0x6f0
[  292.855966]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.860252]  call_timer_fn+0x272/0x920
[  292.864149]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.868399]  ? process_timeout+0x40/0x40
[  292.872468]  ? find_held_lock+0x36/0x1c0
[  292.876540]  ? mark_held_locks+0xc7/0x130
[  292.880703]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.885204]  ? _raw_spin_unlock_irq+0x27/0x80
[  292.889701]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.893941]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  292.898529]  ? trace_hardirqs_on+0xbd/0x310
[  292.902853]  ? kasan_check_read+0x11/0x20
[  292.907013]  ? __run_timers+0x7da/0xc70
[  292.910988]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  292.916445]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.920691]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  292.924929]  __run_timers+0x7e5/0xc70
[  292.928747]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  292.934116]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  292.939136]  ? graph_lock+0x170/0x170
[  292.942942]  ? print_usage_bug+0xc0/0xc0
[  292.947001]  ? lock_release+0x970/0x970
[  292.950977]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  292.956188]  ? find_held_lock+0x36/0x1c0
[  292.960260]  ? graph_lock+0x170/0x170
[  292.964071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.969613]  ? check_preemption_disabled+0x48/0x200
[  292.974658]  ? __lock_is_held+0xb5/0x140
[  292.978726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.984269]  ? check_preemption_disabled+0x48/0x200
[  292.989300]  run_timer_softirq+0x52/0xb0
[  292.993362]  ? rcu_read_lock_sched_held+0x108/0x120
[  292.998379]  __do_softirq+0x30b/0xad8
[  293.002194]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  293.007312]  ? pvclock_read_flags+0x160/0x160
[  293.011814]  ? lapic_next_event+0x5a/0x90
[  293.015966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.021509]  ? check_preemption_disabled+0x48/0x200
[  293.026542]  ? check_preemption_disabled+0x48/0x200
[  293.031566]  ? kvm_clock_read+0x18/0x30
[  293.035553]  ? kvm_sched_clock_read+0x9/0x20
[  293.039967]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.045506]  ? check_preemption_disabled+0x48/0x200
[  293.050555]  irq_exit+0x17f/0x1c0
[  293.054015]  smp_apic_timer_interrupt+0x1cb/0x760
[  293.058865]  ? smp_reschedule_interrupt+0x109/0x650
[  293.063899]  ? smp_call_function_single_interrupt+0x650/0x650
[  293.069794]  ? interrupt_entry+0xb5/0xf0
[  293.073872]  ? trace_hardirqs_off_caller+0xbb/0x300
[  293.078898]  ? trace_hardirqs_off_caller+0xbb/0x300
[  293.083932]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.088780]  ? trace_hardirqs_off+0x300/0x300
[  293.093277]  ? trace_hardirqs_off+0x300/0x300
[  293.097773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.103319]  ? check_preemption_disabled+0x48/0x200
[  293.108335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.113889]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.118745]  apic_timer_interrupt+0xf/0x20
[  293.122977]  </IRQ>
[  293.125236] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  293.130518] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  293.149438] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  293.157149] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  293.164483] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  293.171758] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  293.179030] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  293.186303] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  293.193605]  ? arch_local_irq_restore+0x45/0x52
[  293.198297]  dump_stack+0x26a/0x2b4
[  293.201933]  ? dump_stack_print_info.cold.2+0x52/0x52
[  293.207128]  ? mark_held_locks+0x130/0x130
[  293.211366]  ? mark_held_locks+0x130/0x130
[  293.215609]  dump_header+0x27b/0xf72
[  293.219335]  ? pagefault_out_of_memory+0x197/0x197
[  293.224271]  ? mark_held_locks+0x130/0x130
[  293.228520]  ? __lock_acquire+0x7ec/0x4ec0
[  293.232760]  ? mem_cgroup_charge_statistics+0x780/0x780
[  293.238128]  ? print_usage_bug+0xc0/0xc0
[  293.242191]  ? print_usage_bug+0xc0/0xc0
[  293.246269]  ? graph_lock+0x170/0x170
[  293.250073]  ? graph_lock+0x170/0x170
[  293.253882]  ? print_usage_bug+0xc0/0xc0
[  293.257947]  ? print_usage_bug+0xc0/0xc0
[  293.262021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.267565]  ? find_held_lock+0x36/0x1c0
[  293.271637]  ? mark_held_locks+0xc7/0x130
[  293.275792]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  293.280901]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  293.286012]  ? lockdep_hardirqs_on+0x421/0x5c0
[  293.290601]  ? trace_hardirqs_on+0xbd/0x310
[  293.294926]  ? kasan_check_read+0x11/0x20
[  293.299078]  ? ___ratelimit+0x36f/0x655
[  293.303059]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  293.308516]  ? trace_hardirqs_on+0x310/0x310
[  293.312929]  ? lock_downgrade+0x900/0x900
[  293.317090]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  293.322210]  ? ___ratelimit+0xaa/0x655
[  293.326104]  ? idr_get_free+0xec0/0xec0
[  293.330083]  ? kasan_check_write+0x14/0x20
[  293.334326]  ? do_raw_spin_lock+0xc1/0x200
[  293.338573]  oom_kill_process.cold.27+0x10/0x903
[  293.343346]  ? graph_lock+0x170/0x170
[  293.347161]  ? _raw_spin_unlock+0x2c/0x50
[  293.351309]  ? oom_badness+0xe6/0xaa0
[  293.355117]  ? oom_evaluate_task+0x540/0x540
[  293.359542]  ? find_held_lock+0x36/0x1c0
[  293.363614]  ? out_of_memory+0x974/0x14c0
[  293.367765]  ? lock_downgrade+0x900/0x900
[  293.371921]  ? check_preemption_disabled+0x48/0x200
[  293.376953]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  293.382755]  ? kasan_check_read+0x11/0x20
[  293.386908]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  293.392216]  ? rcu_bh_qs+0xc0/0xc0
[  293.395791]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  293.400811]  ? oom_evaluate_task+0x302/0x540
[  293.405234]  out_of_memory+0xa86/0x14c0
[  293.409226]  ? oom_killer_disable+0x3a0/0x3a0
[  293.413722]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  293.418665]  ? __mutex_add_waiter+0x2a0/0x2a0
[  293.423178]  __alloc_pages_slowpath+0x2318/0x2d80
[  293.428061]  ? warn_alloc+0x120/0x120
[  293.431864]  ? __radix_tree_lookup+0x4c0/0x4c0
[  293.436466]  ? find_get_entry+0x2f2/0xc40
[  293.440634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.446201]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  293.451168]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.456739]  ? should_fail+0x22d/0xd01
[  293.460649]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.465756]  ? __lock_is_held+0xb5/0x140
[  293.469848]  ? __lock_is_held+0xb5/0x140
[  293.473919]  ? find_held_lock+0x36/0x1c0
[  293.477990]  ? ___might_sleep+0x1ed/0x300
[  293.482137]  ? lock_release+0x970/0x970
[  293.486162]  ? arch_local_save_flags+0x40/0x40
[  293.490793]  ? __might_sleep+0x95/0x190
[  293.494776]  __alloc_pages_nodemask+0xa80/0xde0
[  293.499459]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  293.504483]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  293.510283]  ? kasan_check_read+0x11/0x20
[  293.514433]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  293.519720]  ? graph_lock+0x170/0x170
[  293.523526]  ? print_usage_bug+0xc0/0xc0
[  293.527592]  ? graph_lock+0x170/0x170
[  293.531391]  ? graph_lock+0x170/0x170
[  293.535196]  ? __do_page_cache_readahead+0x7ce/0x980
[  293.540312]  ? find_held_lock+0x36/0x1c0
[  293.544380]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  293.549945]  alloc_pages_current+0x10c/0x210
[  293.554381]  ? lock_downgrade+0x900/0x900
[  293.558538]  __page_cache_alloc+0x38f/0x5b0
[  293.562868]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  293.568672]  ? kasan_check_read+0x11/0x20
[  293.572825]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  293.578109]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  293.582780]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.588326]  ? check_preemption_disabled+0x48/0x200
[  293.593355]  filemap_fault+0x1594/0x25f0
[  293.597443]  ? __lock_page_or_retry+0xa00/0xa00
[  293.602114]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  293.607914]  ? kasan_check_read+0x11/0x20
[  293.612062]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  293.617337]  ? rcu_bh_qs+0xc0/0xc0
[  293.620883]  ? print_usage_bug+0xc0/0xc0
[  293.624954]  ? filemap_map_pages+0xdea/0x1980
[  293.629456]  ? print_usage_bug+0xc0/0xc0
[  293.633522]  ? find_get_pages_range_tag+0x1320/0x1320
[  293.638727]  ? print_usage_bug+0xc0/0xc0
[  293.642787]  ? __lock_acquire+0x7ec/0x4ec0
[  293.647021]  ? graph_lock+0x170/0x170
[  293.650827]  ? __sigqueue_free.part.27+0x7d/0xa0
[  293.655590]  ? __lock_acquire+0x7ec/0x4ec0
[  293.659837]  ? lock_acquire+0x1ed/0x520
[  293.663813]  ? ext4_filemap_fault+0x7a/0xad
[  293.668138]  ? lock_release+0x970/0x970
[  293.672112]  ? arch_local_save_flags+0x40/0x40
[  293.676695]  ? mark_held_locks+0x130/0x130
[  293.680969]  ? down_read+0xb0/0x1d0
[  293.684603]  ? ext4_filemap_fault+0x7a/0xad
[  293.688926]  ? __down_interruptible+0x700/0x700
[  293.693613]  ? graph_lock+0x170/0x170
[  293.697417]  ? __sigqueue_free.part.27+0x7d/0xa0
[  293.702202]  ext4_filemap_fault+0x82/0xad
[  293.706361]  __do_fault+0x100/0x6b0
[  293.709991]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  293.715291]  ? print_bad_pte+0x6c0/0x6c0
[  293.719360]  ? pmd_val+0x88/0x100
[  293.722815]  ? add_mm_counter_fast+0xd0/0xd0
[  293.727227]  ? pmd_val+0x88/0x100
[  293.730681]  ? add_mm_counter_fast+0xd0/0xd0
[  293.735144]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.740699]  __handle_mm_fault+0x3709/0x53e0
[  293.745122]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  293.749981]  ? graph_lock+0x170/0x170
[  293.753794]  ? print_usage_bug+0xc0/0xc0
[  293.757900]  ? graph_lock+0x170/0x170
[  293.761700]  ? graph_lock+0x170/0x170
[  293.765520]  ? handle_mm_fault+0x42a/0xc70
[  293.769754]  ? lock_downgrade+0x900/0x900
[  293.773904]  ? check_preemption_disabled+0x48/0x200
[  293.778941]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  293.784740]  ? kasan_check_read+0x11/0x20
[  293.788896]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  293.794178]  ? rcu_bh_qs+0xc0/0xc0
[  293.797723]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  293.803180]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.808730]  ? check_preemption_disabled+0x48/0x200
[  293.813759]  handle_mm_fault+0x54f/0xc70
[  293.817826]  ? __handle_mm_fault+0x53e0/0x53e0
[  293.822416]  ? find_vma+0x34/0x190
[  293.825969]  __do_page_fault+0x67d/0xed0
[  293.830039]  ? mm_fault_error+0x380/0x380
[  293.834213]  ? syscall_slow_exit_work+0x520/0x520
[  293.839076]  do_page_fault+0xf2/0x7e0
[  293.843401]  ? vmalloc_sync_all+0x30/0x30
[  293.847558]  ? error_entry+0x70/0xd0
[  293.851274]  ? trace_hardirqs_off_caller+0xbb/0x300
[  293.856286]  ? trace_hardirqs_on_caller+0xc0/0x300
[  293.861221]  ? syscall_return_slowpath+0x5e0/0x5e0
[  293.866147]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.870991]  ? trace_hardirqs_off+0x300/0x300
[  293.875497]  ? trace_hardirqs_off_caller+0x300/0x300
[  293.880610]  ? prepare_exit_to_usermode+0x291/0x3b0
[  293.885643]  ? page_fault+0x8/0x30
[  293.889196]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.894046]  ? page_fault+0x8/0x30
[  293.897591]  page_fault+0x1e/0x30
[  293.901040] RIP: 0033:0x45db60
[  293.904239] Code: Bad RIP value.
[  293.907612] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  293.912975] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  293.920243] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  293.927510] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  293.934780] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  293.942047] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  293.949362] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  293.949368] warn_alloc_show_mem: 1 callbacks suppressed
[  293.949375] Mem-Info:
[  293.956565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  293.961933] active_anon:41581 inactive_anon:372 isolated_anon:0
[  293.961933]  active_file:17 inactive_file:16 isolated_file:0
[  293.961933]  unevictable:0 dirty:0 writeback:0 unstable:0
[  293.961933]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  293.961933]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  293.961933]  free:13699 free_pcp:281 free_cma:0
[  293.964307] Call Trace:
[  293.973719] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  294.006590]  <IRQ>
[  294.009169] Node 0 
[  294.036773]  dump_stack+0x1c4/0x2b4
[  294.038941] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  294.041188]  ? dump_stack_print_info.cold.2+0x52/0x52
[  294.044814] lowmem_reserve[]:
[  294.070342]  warn_alloc.cold.118+0xb7/0x1bd
[  294.075503]  0
[  294.078611]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  294.082926]  2817 6321
[  294.084750]  ? lock_downgrade+0x900/0x900
[  294.089563]  6321
[  294.092081]  ? trace_hardirqs_off+0xb8/0x300
[  294.096200] Node 0 
[  294.098264]  ? trace_hardirqs_off+0xb8/0x300
[  294.102674] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  294.104889]  __alloc_pages_slowpath+0x2667/0x2d80
[  294.109264] lowmem_reserve[]: 0
[  294.136289]  ? warn_alloc+0x120/0x120
[  294.141097]  0 3503
[  294.144384]  ? trace_hardirqs_on+0x310/0x310
[  294.148168]  3503
[  294.150400]  ? warn_alloc+0x120/0x120
[  294.156855]  ? print_usage_bug+0xc0/0xc0
[  294.160633] Node 0 
[  294.164689]  ? warn_alloc+0x120/0x120
[  294.164720] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  294.164728] lowmem_reserve[]:
[  294.166969]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  294.166985]  ? print_usage_bug+0xc0/0xc0
[  294.170763]  0 0
[  294.199166]  ? __lock_acquire+0x7ec/0x4ec0
[  294.202254]  0
[  294.207267]  ? __lock_acquire+0x7ec/0x4ec0
[  294.211303]  0
[  294.213292]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.217500] Node 0 
[  294.219308]  ? should_fail+0x22d/0xd01
[  294.223522] DMA: 
[  294.225337]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.230849] 1*4kB 
[  294.233095]  ? __lock_acquire+0x7ec/0x4ec0
[  294.236970] (U) 
[  294.239034]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.244106] 0*8kB 0*16kB 
[  294.246260]  ? __lock_acquire+0x7ec/0x4ec0
[  294.250474] 1*32kB 
[  294.252445]  ? should_fail+0x22d/0xd01
[  294.257527] (U) 
[  294.260281]  ? print_usage_bug+0xc0/0xc0
[  294.264499] 2*64kB 
[  294.266739]  ? mark_held_locks+0x130/0x130
[  294.270601] (U) 
[  294.272573]  ? mark_held_locks+0x130/0x130
[  294.276613] 1*128kB 
[  294.278850]  ? graph_lock+0x170/0x170
[  294.283059] (U) 
[  294.285076]  ? print_usage_bug+0xc0/0xc0
[  294.289313] 1*256kB (U) 
[  294.291647]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  294.295422] 0*512kB 
[  294.297397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.301438] 1*1024kB 
[  294.304117]  ? check_preemption_disabled+0x48/0x200
[  294.308853] (U) 
[  294.311181]  ? check_preemption_disabled+0x48/0x200
[  294.316686] 1*2048kB (M) 
[  294.319119]  ? __lock_is_held+0xb5/0x140
[  294.324105] 3*4096kB 
[  294.326082]  __alloc_pages_nodemask+0xa80/0xde0
[  294.331071] (M) 
[  294.333824]  ? graph_lock+0x170/0x170
[  294.337858] = 15908kB
[  294.337866] Node 0 
[  294.340274]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  294.344920] DMA32: 
[  294.346894]  ? graph_lock+0x170/0x170
[  294.350672] 2*4kB 
[  294.353086]  ? find_held_lock+0x36/0x1c0
[  294.355295] (M) 
[  294.360313]  ? ____cache_alloc_node+0x1c7/0x1e0
[  294.362538] 1*8kB 
[  294.366338]  ? lock_downgrade+0x900/0x900
[  294.368464] (U) 
[  294.372525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.374478] 3*16kB 
[  294.379145]  cache_grow_begin+0x91/0x8c0
[  294.381270] (M) 
[  294.385452]  ? do_raw_spin_unlock+0xa7/0x2f0
[  294.387410] 1*32kB 
[  294.392958]  fallback_alloc+0x203/0x2e0
[  294.395173] (M) 
[  294.399238]  ____cache_alloc_node+0x1c7/0x1e0
[  294.401190] 3*64kB 
[  294.405597]  kmem_cache_alloc_node+0xe3/0x730
[  294.407811] (UM) 
[  294.411792]  ? ipv6_get_ifaddr+0x42e/0x620
[  294.413739] 3*128kB (M) 
[  294.418241]  __alloc_skb+0x119/0x770
[  294.420463] 3*256kB 
[  294.424960]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  294.426996] (UM) 
[  294.431230]  ? skb_scrub_packet+0x490/0x490
[  294.433881] 4*512kB 
[  294.437621]  ? lock_downgrade+0x900/0x900
[  294.439920] (UM) 
[  294.445233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.447273] 3*1024kB 
[  294.451592]  ? refcount_sub_and_test_checked+0x203/0x310
[  294.453890] (M) 
[  294.458039]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  294.460082] 1*2048kB 
[  294.465618]  ? addrconf_rs_timer+0x6f0/0x6f0
[  294.468003] (U) 
[  294.473467]  ndisc_alloc_skb+0x144/0x340
[  294.475421] 4*4096kB 
[  294.480876]  ndisc_send_rs+0x331/0x6e0
[  294.483260] (M) 
[  294.487669]  addrconf_rs_timer+0x3c0/0x6f0
[  294.489611] = 24992kB
[  294.489620] Node 0 
[  294.493681]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.496066] Normal: 
[  294.499962]  call_timer_fn+0x272/0x920
[  294.501909] 882*4kB 
[  294.506143]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.508527] (UME) 
[  294.510765]  ? process_timeout+0x40/0x40
[  294.514976] 426*8kB 
[  294.517297]  ? find_held_lock+0x36/0x1c0
[  294.521161] (MEH) 
[  294.523501]  ? __run_timers+0x7da/0xc70
[  294.527721] 175*16kB 
[  294.529880]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.533904] (UME) 71*32kB 
[  294.536240]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.540283] (UMEH) 
[  294.542441]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.546389] 10*64kB 
[  294.548801]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  294.553265] (UMH) 2*128kB 
[  294.556122]  ? trace_hardirqs_on+0xbd/0x310
[  294.560594] (H) 
[  294.562830]  ? kasan_check_read+0x11/0x20
[  294.562850]  ? __run_timers+0x7da/0xc70
[  294.567062] 0*256kB 2*512kB 
[  294.569399]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  294.573967] (UH) 
[  294.576826]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.581118] 0*1024kB 0*2048kB 
[  294.583104]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.587230] 0*4096kB 
[  294.591206]  __run_timers+0x7e5/0xc70
[  294.594210] = 13928kB
[  294.599658]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  294.601700] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  294.605945]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  294.609119] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  294.613621]  ? graph_lock+0x170/0x170
[  294.616009] 412 total pagecache pages
[  294.619806]  ? enqueue_hrtimer+0x1a5/0x560
[  294.622208] 0 pages in swap cache
[  294.627558]  ? lock_release+0x970/0x970
[  294.636372] Swap cache stats: add 0, delete 0, find 0/0
[  294.636382] Free swap  = 0kB
[  294.641402]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  294.649958] Total swap = 0kB
[  294.649969] 1965979 pages RAM
[  294.653788]  ? find_held_lock+0x36/0x1c0
[  294.657555] 0 pages HighMem/MovableOnly
[  294.657565] 342744 pages reserved
[  294.661804]  ? graph_lock+0x170/0x170
[  294.665226] 0 pages cma reserved
[  294.665330] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  294.669209]  ? pvclock_read_flags+0x160/0x160
[  294.674635] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  294.677583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.682818] syz-fuzzer cpuset=
[  294.685856]  ? check_preemption_disabled+0x48/0x200
[  294.688924] /
[  294.692999]  ? __lock_is_held+0xb5/0x140
[  294.696972]  mems_allowed=0
[  294.700441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.757228]  ? check_preemption_disabled+0x48/0x200
[  294.762267]  run_timer_softirq+0x52/0xb0
[  294.766343]  ? rcu_read_lock_sched_held+0x108/0x120
[  294.771377]  __do_softirq+0x30b/0xad8
[  294.775206]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  294.780322]  ? pvclock_read_flags+0x160/0x160
[  294.784819]  ? lapic_next_event+0x5a/0x90
[  294.788983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.794535]  ? check_preemption_disabled+0x48/0x200
[  294.799565]  ? check_preemption_disabled+0x48/0x200
[  294.804595]  ? kvm_clock_read+0x18/0x30
[  294.808571]  ? kvm_sched_clock_read+0x9/0x20
[  294.812987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.818527]  ? check_preemption_disabled+0x48/0x200
[  294.823570]  irq_exit+0x17f/0x1c0
[  294.827029]  smp_apic_timer_interrupt+0x1cb/0x760
[  294.831869]  ? smp_reschedule_interrupt+0x109/0x650
[  294.836895]  ? smp_call_function_single_interrupt+0x650/0x650
[  294.842797]  ? interrupt_entry+0xb5/0xf0
[  294.846865]  ? trace_hardirqs_off_caller+0xbb/0x300
[  294.851881]  ? trace_hardirqs_off_caller+0xbb/0x300
[  294.856906]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.861745]  ? trace_hardirqs_off+0x300/0x300
[  294.866238]  ? trace_hardirqs_off+0x300/0x300
[  294.870738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.876284]  ? check_preemption_disabled+0x48/0x200
[  294.881316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.886880]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.891737]  apic_timer_interrupt+0xf/0x20
[  294.895965]  </IRQ>
[  294.898207] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  294.903139] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  294.922128] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  294.929837] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  294.937144] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  294.944439] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  294.951713] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  294.958981] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  294.966339]  skb_clone+0x1bb/0x500
[  294.969899]  ? finish_task_switch+0x2f5/0x900
[  294.974442]  ? skb_split+0x11e0/0x11e0
[  294.978370]  ? preempt_notifier_register+0x200/0x200
[  294.983519]  ? __switch_to_asm+0x34/0x70
[  294.987590]  ? __switch_to_asm+0x34/0x70
[  294.991653]  ? __switch_to_asm+0x40/0x70
[  294.995728]  ? __switch_to_asm+0x34/0x70
[  294.999789]  ? __switch_to_asm+0x40/0x70
[  295.003893]  ? __switch_to_asm+0x34/0x70
[  295.007955]  ? __switch_to_asm+0x40/0x70
[  295.012016]  ? __switch_to_asm+0x34/0x70
[  295.016082]  ? __switch_to_asm+0x34/0x70
[  295.020148]  ? __switch_to_asm+0x40/0x70
[  295.024212]  ? __switch_to_asm+0x34/0x70
[  295.028285]  bpf_clone_redirect+0xb9/0x490
[  295.032529]  ? __schedule+0x874/0x1ed0
[  295.036454]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  295.041480]  ? __sched_text_start+0x8/0x8
[  295.045682]  ? lockdep_hardirqs_on+0x421/0x5c0
[  295.050273]  ? retint_kernel+0x2d/0x2d
[  295.054163]  ? trace_hardirqs_on_caller+0xc0/0x300
[  295.059112]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  295.063872]  ? find_held_lock+0x36/0x1c0
[  295.067948]  ? lock_acquire+0x1ed/0x520
[  295.071927]  ? bpf_test_run+0x32e/0x5a0
[  295.075904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.081457]  ? check_preemption_disabled+0x48/0x200
[  295.086480]  ? kasan_check_read+0x11/0x20
[  295.090643]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  295.095920]  ? rcu_bh_qs+0xc0/0xc0
[  295.099461]  ? preempt_schedule+0x4d/0x60
[  295.103620]  ? ___preempt_schedule+0x16/0x18
[  295.108038]  ? bpf_test_run+0x1c0/0x5a0
[  295.112058]  ? netlink_diag_dump+0x2a0/0x2a0
[  295.116482]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.122021]  ? bpf_test_init.isra.9+0x70/0x100
[  295.126607]  ? bpf_prog_test_run_skb+0x634/0xb40
[  295.131369]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  295.136223]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  295.141796]  ? fput+0x130/0x1a0
[  295.145090]  ? __bpf_prog_get+0x9b/0x290
[  295.149165]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  295.154003]  ? bpf_prog_test_run+0x130/0x1a0
[  295.158440]  ? __x64_sys_bpf+0x3d8/0x510
[  295.162504]  ? bpf_prog_get+0x20/0x20
[  295.166314]  ? ksys_ioctl+0x81/0xd0
[  295.170042]  ? do_syscall_64+0x1b9/0x820
[  295.174103]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  295.179470]  ? syscall_return_slowpath+0x5e0/0x5e0
[  295.184405]  ? trace_hardirqs_off+0x300/0x300
[  295.188902]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  295.193923]  ? recalc_sigpending_tsk+0x180/0x180
[  295.198697]  ? kasan_check_write+0x14/0x20
[  295.202972]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.207829]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  295.213229] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  295.213340] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  295.220177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  295.220184] Call Trace:
[  295.220191]  <IRQ>
[  295.220218]  dump_stack+0x1c4/0x2b4
[  295.220235]  ? dump_stack_print_info.cold.2+0x52/0x52
[  295.226815] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  295.236077]  warn_alloc.cold.118+0xb7/0x1bd
[  295.238633] syz-executor4 cpuset=
[  295.240782]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  295.244408] syz4
[  295.249621]  ? lock_downgrade+0x900/0x900
[  295.260087]  mems_allowed=0
[  295.264419]  ? trace_hardirqs_off+0xb8/0x300
[  295.286125]  ? trace_hardirqs_off+0xb8/0x300
[  295.290544]  __alloc_pages_slowpath+0x2667/0x2d80
[  295.295451]  ? warn_alloc+0x120/0x120
[  295.299257]  ? warn_alloc+0x120/0x120
[  295.303063]  ? print_usage_bug+0xc0/0xc0
[  295.307125]  ? warn_alloc+0x120/0x120
[  295.310930]  ? print_usage_bug+0xc0/0xc0
[  295.314996]  ? __lock_acquire+0x7ec/0x4ec0
[  295.319237]  ? __lock_acquire+0x7ec/0x4ec0
[  295.323479]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.329021]  ? should_fail+0x22d/0xd01
[  295.332916]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.338025]  ? __lock_acquire+0x7ec/0x4ec0
[  295.342302]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.347425]  ? __lock_acquire+0x7ec/0x4ec0
[  295.351680]  ? should_fail+0x22d/0xd01
[  295.355582]  ? mark_held_locks+0x130/0x130
[  295.359826]  ? mark_held_locks+0x130/0x130
[  295.364062]  ? graph_lock+0x170/0x170
[  295.367865]  ? graph_lock+0x170/0x170
[  295.371692]  ? graph_lock+0x170/0x170
[  295.375514]  ? print_usage_bug+0xc0/0xc0
[  295.379586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.385127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.390672]  ? check_preemption_disabled+0x48/0x200
[  295.395692]  ? check_preemption_disabled+0x48/0x200
[  295.400736]  ? __lock_is_held+0xb5/0x140
[  295.404813]  __alloc_pages_nodemask+0xa80/0xde0
[  295.409491]  ? graph_lock+0x170/0x170
[  295.413309]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  295.418339]  ? graph_lock+0x170/0x170
[  295.422155]  ? find_held_lock+0x36/0x1c0
[  295.426233]  ? ____cache_alloc_node+0x1c7/0x1e0
[  295.430904]  ? lock_downgrade+0x900/0x900
[  295.435067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.440615]  cache_grow_begin+0x91/0x8c0
[  295.444684]  ? do_raw_spin_unlock+0xa7/0x2f0
[  295.449121]  fallback_alloc+0x203/0x2e0
[  295.453117]  ____cache_alloc_node+0x1c7/0x1e0
[  295.457646]  kmem_cache_alloc_node+0xe3/0x730
[  295.462148]  ? ipv6_get_ifaddr+0x42e/0x620
[  295.466399]  __alloc_skb+0x119/0x770
[  295.470123]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  295.475403]  ? skb_scrub_packet+0x490/0x490
[  295.479744]  ? lock_downgrade+0x900/0x900
[  295.483901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.489467]  ? refcount_sub_and_test_checked+0x203/0x310
[  295.494926]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  295.500386]  ? addrconf_rs_timer+0x6f0/0x6f0
[  295.504837]  ndisc_alloc_skb+0x144/0x340
[  295.508923]  ndisc_send_rs+0x331/0x6e0
[  295.512818]  addrconf_rs_timer+0x3c0/0x6f0
[  295.517060]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.521337]  call_timer_fn+0x272/0x920
[  295.525231]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.529485]  ? process_timeout+0x40/0x40
[  295.533549]  ? find_held_lock+0x36/0x1c0
[  295.537621]  ? mark_held_locks+0xc7/0x130
[  295.541778]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.546276]  ? _raw_spin_unlock_irq+0x27/0x80
[  295.550798]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.555033]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  295.559628]  ? trace_hardirqs_on+0xbd/0x310
[  295.563952]  ? kasan_check_read+0x11/0x20
[  295.568101]  ? __run_timers+0x7da/0xc70
[  295.572093]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  295.577582]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.581826]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.586063]  __run_timers+0x7e5/0xc70
[  295.589881]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  295.595260]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  295.600280]  ? graph_lock+0x170/0x170
[  295.604110]  ? print_usage_bug+0xc0/0xc0
[  295.608175]  ? lock_release+0x970/0x970
[  295.612167]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  295.617365]  ? find_held_lock+0x36/0x1c0
[  295.621462]  ? graph_lock+0x170/0x170
[  295.625272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.630814]  ? check_preemption_disabled+0x48/0x200
[  295.635843]  ? __lock_is_held+0xb5/0x140
[  295.639905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.645450]  ? check_preemption_disabled+0x48/0x200
[  295.650476]  run_timer_softirq+0x52/0xb0
[  295.654539]  ? rcu_read_lock_sched_held+0x108/0x120
[  295.659562]  __do_softirq+0x30b/0xad8
[  295.663398]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  295.668531]  ? pvclock_read_flags+0x160/0x160
[  295.673025]  ? lapic_next_event+0x5a/0x90
[  295.677176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.682724]  ? check_preemption_disabled+0x48/0x200
[  295.687743]  ? check_preemption_disabled+0x48/0x200
[  295.692779]  ? kvm_clock_read+0x18/0x30
[  295.696795]  ? kvm_sched_clock_read+0x9/0x20
[  295.701216]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.706756]  ? check_preemption_disabled+0x48/0x200
[  295.711790]  irq_exit+0x17f/0x1c0
[  295.715257]  smp_apic_timer_interrupt+0x1cb/0x760
[  295.720102]  ? smp_reschedule_interrupt+0x109/0x650
[  295.725122]  ? smp_call_function_single_interrupt+0x650/0x650
[  295.731009]  ? interrupt_entry+0xb5/0xf0
[  295.735077]  ? trace_hardirqs_off_caller+0xbb/0x300
[  295.740115]  ? trace_hardirqs_off_caller+0xbb/0x300
[  295.745137]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.749985]  ? trace_hardirqs_off+0x300/0x300
[  295.754490]  ? trace_hardirqs_off+0x300/0x300
[  295.758991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.764540]  ? check_preemption_disabled+0x48/0x200
[  295.769571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.775141]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.779996]  apic_timer_interrupt+0xf/0x20
[  295.784241]  </IRQ>
[  295.786481] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  295.791764] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  295.810667] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  295.818382] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  295.825663] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  295.832963] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  295.840709] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  295.847978] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  295.855278]  ? arch_local_irq_restore+0x45/0x52
[  295.859957]  dump_stack+0x26a/0x2b4
[  295.863586]  ? dump_stack_print_info.cold.2+0x52/0x52
[  295.868780]  ? mark_held_locks+0x130/0x130
[  295.873016]  ? mark_held_locks+0x130/0x130
[  295.877270]  dump_header+0x27b/0xf72
[  295.880998]  ? pagefault_out_of_memory+0x197/0x197
[  295.885934]  ? mark_held_locks+0x130/0x130
[  295.890172]  ? __lock_acquire+0x7ec/0x4ec0
[  295.894449]  ? mem_cgroup_charge_statistics+0x780/0x780
[  295.899840]  ? print_usage_bug+0xc0/0xc0
[  295.903898]  ? print_usage_bug+0xc0/0xc0
[  295.907981]  ? graph_lock+0x170/0x170
[  295.911778]  ? graph_lock+0x170/0x170
[  295.915579]  ? print_usage_bug+0xc0/0xc0
[  295.919641]  ? print_usage_bug+0xc0/0xc0
[  295.923717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.929290]  ? find_held_lock+0x36/0x1c0
[  295.933360]  ? mark_held_locks+0xc7/0x130
[  295.937516]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  295.942705]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  295.947810]  ? lockdep_hardirqs_on+0x421/0x5c0
[  295.952397]  ? trace_hardirqs_on+0xbd/0x310
[  295.956817]  ? kasan_check_read+0x11/0x20
[  295.960971]  ? ___ratelimit+0x36f/0x655
[  295.964963]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  295.970451]  ? trace_hardirqs_on+0x310/0x310
[  295.974865]  ? lock_downgrade+0x900/0x900
[  295.979020]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  295.984128]  ? ___ratelimit+0xaa/0x655
[  295.988024]  ? idr_get_free+0xec0/0xec0
[  295.992012]  ? kasan_check_write+0x14/0x20
[  295.996251]  ? do_raw_spin_lock+0xc1/0x200
[  296.000503]  oom_kill_process.cold.27+0x10/0x903
[  296.005264]  ? graph_lock+0x170/0x170
[  296.009073]  ? _raw_spin_unlock+0x2c/0x50
[  296.013242]  ? oom_badness+0xe6/0xaa0
[  296.017062]  ? oom_evaluate_task+0x540/0x540
[  296.021476]  ? find_held_lock+0x36/0x1c0
[  296.025549]  ? out_of_memory+0x974/0x14c0
[  296.029703]  ? lock_downgrade+0x900/0x900
[  296.033857]  ? check_preemption_disabled+0x48/0x200
[  296.038883]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  296.044685]  ? kasan_check_read+0x11/0x20
[  296.048862]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  296.054141]  ? rcu_bh_qs+0xc0/0xc0
[  296.057688]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  296.062714]  ? oom_evaluate_task+0x302/0x540
[  296.067135]  out_of_memory+0xa86/0x14c0
[  296.071124]  ? oom_killer_disable+0x3a0/0x3a0
[  296.075632]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  296.080594]  ? __mutex_add_waiter+0x2a0/0x2a0
[  296.085104]  __alloc_pages_slowpath+0x2318/0x2d80
[  296.089980]  ? warn_alloc+0x120/0x120
[  296.093785]  ? __radix_tree_lookup+0x4c0/0x4c0
[  296.098404]  ? find_get_entry+0x2f2/0xc40
[  296.102608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.108185]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  296.113139]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.118693]  ? should_fail+0x22d/0xd01
[  296.122593]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.127709]  ? __lock_is_held+0xb5/0x140
[  296.131812]  ? __lock_is_held+0xb5/0x140
[  296.135896]  ? find_held_lock+0x36/0x1c0
[  296.139973]  ? ___might_sleep+0x1ed/0x300
[  296.144132]  ? lock_release+0x970/0x970
[  296.148119]  ? arch_local_save_flags+0x40/0x40
[  296.152726]  ? __might_sleep+0x95/0x190
[  296.156718]  __alloc_pages_nodemask+0xa80/0xde0
[  296.161406]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  296.166474]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  296.172288]  ? kasan_check_read+0x11/0x20
[  296.176475]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  296.181782]  ? graph_lock+0x170/0x170
[  296.185594]  ? print_usage_bug+0xc0/0xc0
[  296.189669]  ? graph_lock+0x170/0x170
[  296.193477]  ? graph_lock+0x170/0x170
[  296.197295]  ? __do_page_cache_readahead+0x7ce/0x980
[  296.202423]  ? find_held_lock+0x36/0x1c0
[  296.206497]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  296.212076]  alloc_pages_current+0x10c/0x210
[  296.216506]  ? lock_downgrade+0x900/0x900
[  296.220673]  __page_cache_alloc+0x38f/0x5b0
[  296.225005]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  296.230827]  ? kasan_check_read+0x11/0x20
[  296.235001]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  296.240291]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  296.244966]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.250509]  ? check_preemption_disabled+0x48/0x200
[  296.255578]  filemap_fault+0x1594/0x25f0
[  296.259659]  ? __lock_page_or_retry+0xa00/0xa00
[  296.264331]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  296.270131]  ? kasan_check_read+0x11/0x20
[  296.274282]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  296.279565]  ? rcu_bh_qs+0xc0/0xc0
[  296.283117]  ? print_usage_bug+0xc0/0xc0
[  296.287197]  ? filemap_map_pages+0xdea/0x1980
[  296.291715]  ? print_usage_bug+0xc0/0xc0
[  296.295788]  ? find_get_pages_range_tag+0x1320/0x1320
[  296.300976]  ? print_usage_bug+0xc0/0xc0
[  296.305036]  ? __lock_acquire+0x7ec/0x4ec0
[  296.309274]  ? graph_lock+0x170/0x170
[  296.313082]  ? __sigqueue_free.part.27+0x7d/0xa0
[  296.317847]  ? __lock_acquire+0x7ec/0x4ec0
[  296.322100]  ? lock_acquire+0x1ed/0x520
[  296.326078]  ? ext4_filemap_fault+0x7a/0xad
[  296.330417]  ? lock_release+0x970/0x970
[  296.334395]  ? arch_local_save_flags+0x40/0x40
[  296.338984]  ? mark_held_locks+0x130/0x130
[  296.343238]  ? down_read+0xb0/0x1d0
[  296.346865]  ? ext4_filemap_fault+0x7a/0xad
[  296.351187]  ? __down_interruptible+0x700/0x700
[  296.355863]  ? graph_lock+0x170/0x170
[  296.359668]  ? __sigqueue_free.part.27+0x7d/0xa0
[  296.364446]  ext4_filemap_fault+0x82/0xad
[  296.368600]  __do_fault+0x100/0x6b0
[  296.372258]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  296.377542]  ? print_bad_pte+0x6c0/0x6c0
[  296.381610]  ? pmd_val+0x88/0x100
[  296.385068]  ? add_mm_counter_fast+0xd0/0xd0
[  296.389481]  ? pmd_val+0x88/0x100
[  296.392935]  ? add_mm_counter_fast+0xd0/0xd0
[  296.397352]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.402898]  __handle_mm_fault+0x3709/0x53e0
[  296.407314]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  296.412158]  ? graph_lock+0x170/0x170
[  296.415964]  ? print_usage_bug+0xc0/0xc0
[  296.420029]  ? graph_lock+0x170/0x170
[  296.423830]  ? graph_lock+0x170/0x170
[  296.427655]  ? handle_mm_fault+0x42a/0xc70
[  296.431892]  ? lock_downgrade+0x900/0x900
[  296.436045]  ? check_preemption_disabled+0x48/0x200
[  296.441719]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  296.447525]  ? kasan_check_read+0x11/0x20
[  296.451677]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  296.456957]  ? rcu_bh_qs+0xc0/0xc0
[  296.460504]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  296.465958]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.471503]  ? check_preemption_disabled+0x48/0x200
[  296.476555]  handle_mm_fault+0x54f/0xc70
[  296.480623]  ? __handle_mm_fault+0x53e0/0x53e0
[  296.485219]  ? find_vma+0x34/0x190
[  296.488768]  __do_page_fault+0x67d/0xed0
[  296.492839]  ? mm_fault_error+0x380/0x380
[  296.496994]  ? syscall_slow_exit_work+0x520/0x520
[  296.501843]  do_page_fault+0xf2/0x7e0
[  296.505647]  ? vmalloc_sync_all+0x30/0x30
[  296.509797]  ? error_entry+0x70/0xd0
[  296.513515]  ? trace_hardirqs_off_caller+0xbb/0x300
[  296.518537]  ? trace_hardirqs_on_caller+0xc0/0x300
[  296.523484]  ? syscall_return_slowpath+0x5e0/0x5e0
[  296.528421]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.533272]  ? trace_hardirqs_off+0x300/0x300
[  296.537767]  ? trace_hardirqs_off_caller+0x300/0x300
[  296.542878]  ? prepare_exit_to_usermode+0x291/0x3b0
[  296.547899]  ? page_fault+0x8/0x30
[  296.551448]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.556313]  ? page_fault+0x8/0x30
[  296.559857]  page_fault+0x1e/0x30
[  296.563312] RIP: 0033:0x45db60
[  296.566510] Code: Bad RIP value.
[  296.569875] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  296.575239] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  296.582513] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  296.589781] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  296.597047] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  296.604325] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  296.611627] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  296.611633] warn_alloc_show_mem: 1 callbacks suppressed
[  296.611641] Mem-Info:
[  296.618872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  296.624257] active_anon:41581 inactive_anon:372 isolated_anon:0
[  296.624257]  active_file:17 inactive_file:16 isolated_file:0
[  296.624257]  unevictable:0 dirty:0 writeback:0 unstable:0
[  296.624257]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  296.624257]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  296.624257]  free:13699 free_pcp:281 free_cma:0
[  296.626640] Call Trace:
[  296.636043] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  296.668899]  <IRQ>
[  296.671480] Node 0 
[  296.699071]  dump_stack+0x1c4/0x2b4
[  296.701228] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  296.703434]  ? dump_stack_print_info.cold.2+0x52/0x52
[  296.707036] lowmem_reserve[]: 0
[  296.733061]  warn_alloc.cold.118+0xb7/0x1bd
[  296.738227]  2817
[  296.741503]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  296.745800]  6321 6321
[  296.747872]  ? lock_downgrade+0x900/0x900
[  296.755196]  ? trace_hardirqs_off+0xb8/0x300
[  296.759326] Node 0 DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  296.763765]  ? trace_hardirqs_off+0xb8/0x300
[  296.763816]  __alloc_pages_slowpath+0x2667/0x2d80
[  296.791364] lowmem_reserve[]: 0
[  296.795820]  ? warn_alloc+0x120/0x120
[  296.800641]  0
[  296.803940]  ? trace_hardirqs_on+0x310/0x310
[  296.807709]  3503 3503
[  296.809524]  ? warn_alloc+0x120/0x120
[  296.813913] Node 0 
[  296.816416]  ? print_usage_bug+0xc0/0xc0
[  296.820220] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  296.822437]  ? warn_alloc+0x120/0x120
[  296.826485] lowmem_reserve[]:
[  296.854876]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  296.858654]  0
[  296.861758]  ? print_usage_bug+0xc0/0xc0
[  296.866754]  0
[  296.868569]  ? __lock_acquire+0x7ec/0x4ec0
[  296.872622]  0 0
[  296.874440]  ? __lock_acquire+0x7ec/0x4ec0
[  296.881053]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.885268] Node 0 
[  296.890805]  ? should_fail+0x22d/0xd01
[  296.890808] DMA: 1*4kB 
[  296.893048]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.896915] (U) 
[  296.899521]  ? __lock_acquire+0x7ec/0x4ec0
[  296.904613] 0*8kB 
[  296.906610]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.910837] 0*16kB 1*32kB 
[  296.913001]  ? __lock_acquire+0x7ec/0x4ec0
[  296.918081] (U) 
[  296.920923]  ? should_fail+0x22d/0xd01
[  296.925134] 2*64kB 
[  296.927105]  ? print_usage_bug+0xc0/0xc0
[  296.930971] (U) 
[  296.933214]  ? mark_held_locks+0x130/0x130
[  296.937252] 1*128kB 
[  296.939229]  ? mark_held_locks+0x130/0x130
[  296.943439] (U) 
[  296.945767]  ? graph_lock+0x170/0x170
[  296.949971] 1*256kB (U) 
[  296.951955]  ? print_usage_bug+0xc0/0xc0
[  296.955735] 0*512kB 
[  296.958404]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  296.962441] 1*1024kB 
[  296.964764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.969495] (U) 
[  296.971907]  ? check_preemption_disabled+0x48/0x200
[  296.977414] 1*2048kB (M) 3*4096kB 
[  296.979401]  ? check_preemption_disabled+0x48/0x200
[  296.979438]  ? __lock_is_held+0xb5/0x140
[  296.984412] (M) = 15908kB
[  296.984428] Node 0 
[  296.987972]  __alloc_pages_nodemask+0xa80/0xde0
[  296.992971] DMA32: 2*4kB 
[  296.997040]  ? graph_lock+0x170/0x170
[  296.999778] (M) 
[  297.002015]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  297.006662] 1*8kB 
[  297.009421]  ? graph_lock+0x170/0x170
[  297.013192] (U) 
[  297.015173]  ? find_held_lock+0x36/0x1c0
[  297.020164] 3*16kB 
[  297.022319]  ? ____cache_alloc_node+0x1c7/0x1e0
[  297.026090] (M) 
[  297.028065]  ? lock_downgrade+0x900/0x900
[  297.032114] 1*32kB 
[  297.034352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.038994] (M) 
[  297.040980]  cache_grow_begin+0x91/0x8c0
[  297.045097] 3*64kB (UM) 
[  297.047345]  ? do_raw_spin_unlock+0xa7/0x2f0
[  297.052856] 3*128kB 
[  297.054834]  fallback_alloc+0x203/0x2e0
[  297.058866] (M) 
[  297.061538]  ____cache_alloc_node+0x1c7/0x1e0
[  297.065923] 3*256kB 
[  297.068245]  kmem_cache_alloc_node+0xe3/0x730
[  297.072196] (UM) 
[  297.074177]  ? ipv6_get_ifaddr+0x42e/0x620
[  297.078660] 4*512kB 
[  297.081007]  __alloc_skb+0x119/0x770
[  297.085472] (UM) 
[  297.087538]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  297.091746] 3*1024kB 
[  297.094070]  ? skb_scrub_packet+0x490/0x490
[  297.097760] (M) 
[  297.099826]  ? lock_downgrade+0x900/0x900
[  297.105079] 1*2048kB 
[  297.107494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.111787] (U) 
[  297.113769]  ? refcount_sub_and_test_checked+0x203/0x310
[  297.117897] 4*4096kB 
[  297.120331]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  297.125862] (M) 
[  297.127841]  ? addrconf_rs_timer+0x6f0/0x6f0
[  297.133260] = 24992kB
[  297.133269] Node 0 
[  297.135686]  ndisc_alloc_skb+0x144/0x340
[  297.141106] Normal: 
[  297.143094]  ndisc_send_rs+0x331/0x6e0
[  297.147478] 882*4kB 
[  297.149887]  addrconf_rs_timer+0x3c0/0x6f0
[  297.152100] (UME) 
[  297.156164]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.158466] 426*8kB 
[  297.162358]  call_timer_fn+0x272/0x920
[  297.164655] (MEH) 
[  297.168887]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.171013] 175*16kB 
[  297.175248]  ? process_timeout+0x40/0x40
[  297.177545] (UME) 
[  297.181449]  ? find_held_lock+0x36/0x1c0
[  297.183578] 71*32kB 
[  297.187815]  ? __run_timers+0x7da/0xc70
[  297.190207] (UMEH) 
[  297.194287]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.196411] 10*64kB (UMH) 2*128kB 
[  297.200481]  ? _raw_spin_unlock_irq+0x27/0x80
[  297.202794] (H) 
[  297.206766]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.208979] 0*256kB 
[  297.213476]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  297.216997] 2*512kB 
[  297.221489]  ? trace_hardirqs_on+0xbd/0x310
[  297.223443] (UH) 
[  297.227676]  ? kasan_check_read+0x11/0x20
[  297.229977] 0*1024kB 
[  297.234558]  ? __run_timers+0x7da/0xc70
[  297.236861] 0*2048kB 
[  297.241184]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  297.243228] 0*4096kB 
[  297.247377]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.249765] = 13928kB
[  297.253742]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  297.256135] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  297.261579]  __run_timers+0x7e5/0xc70
[  297.263973] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  297.268215]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  297.270600] 412 total pagecache pages
[  297.274833]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  297.283656] 0 pages in swap cache
[  297.287457]  ? graph_lock+0x170/0x170
[  297.296010] Swap cache stats: add 0, delete 0, find 0/0
[  297.296021] Free swap  = 0kB
[  297.301391]  ? enqueue_hrtimer+0x1a5/0x560
[  297.305158] Total swap = 0kB
[  297.305168] 1965979 pages RAM
[  297.310190]  ? lock_release+0x970/0x970
[  297.313622] 0 pages HighMem/MovableOnly
[  297.313631] 342744 pages reserved
[  297.317459]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  297.322796] 0 pages cma reserved
[  297.322888] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  297.325847]  ? find_held_lock+0x36/0x1c0
[  297.325869]  ? graph_lock+0x170/0x170
[  297.330156] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  297.333124]  ? pvclock_read_flags+0x160/0x160
[  297.336210] syz-fuzzer cpuset=
[  297.340201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.344159] /
[  297.347616]  ? check_preemption_disabled+0x48/0x200
[  297.352784]  mems_allowed=0
[  297.356158]  ? __lock_is_held+0xb5/0x140
[  297.407562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.413112]  ? check_preemption_disabled+0x48/0x200
[  297.418162]  run_timer_softirq+0x52/0xb0
[  297.422231]  ? rcu_read_lock_sched_held+0x108/0x120
[  297.427253]  __do_softirq+0x30b/0xad8
[  297.431069]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  297.436202]  ? pvclock_read_flags+0x160/0x160
[  297.440726]  ? lapic_next_event+0x5a/0x90
[  297.444900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.450454]  ? check_preemption_disabled+0x48/0x200
[  297.455475]  ? check_preemption_disabled+0x48/0x200
[  297.460505]  ? kvm_clock_read+0x18/0x30
[  297.464484]  ? kvm_sched_clock_read+0x9/0x20
[  297.468906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.474460]  ? check_preemption_disabled+0x48/0x200
[  297.479496]  irq_exit+0x17f/0x1c0
[  297.482961]  smp_apic_timer_interrupt+0x1cb/0x760
[  297.487825]  ? smp_reschedule_interrupt+0x109/0x650
[  297.492850]  ? smp_call_function_single_interrupt+0x650/0x650
[  297.498738]  ? interrupt_entry+0xb5/0xf0
[  297.502806]  ? trace_hardirqs_off_caller+0xbb/0x300
[  297.507837]  ? trace_hardirqs_off_caller+0xbb/0x300
[  297.512859]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.517723]  ? trace_hardirqs_off+0x300/0x300
[  297.522226]  ? trace_hardirqs_off+0x300/0x300
[  297.526734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.532277]  ? check_preemption_disabled+0x48/0x200
[  297.537295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.542850]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.547715]  apic_timer_interrupt+0xf/0x20
[  297.551946]  </IRQ>
[  297.554195] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  297.559127] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  297.578044] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  297.585763] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  297.593044] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  297.600317] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  297.607586] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  297.614857] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  297.622200]  skb_clone+0x1bb/0x500
[  297.625758]  ? finish_task_switch+0x2f5/0x900
[  297.630279]  ? skb_split+0x11e0/0x11e0
[  297.634180]  ? preempt_notifier_register+0x200/0x200
[  297.639308]  ? __switch_to_asm+0x34/0x70
[  297.643370]  ? __switch_to_asm+0x34/0x70
[  297.647434]  ? __switch_to_asm+0x40/0x70
[  297.651500]  ? __switch_to_asm+0x34/0x70
[  297.655564]  ? __switch_to_asm+0x40/0x70
[  297.659623]  ? __switch_to_asm+0x34/0x70
[  297.663684]  ? __switch_to_asm+0x40/0x70
[  297.667751]  ? __switch_to_asm+0x34/0x70
[  297.671815]  ? __switch_to_asm+0x34/0x70
[  297.675879]  ? __switch_to_asm+0x40/0x70
[  297.679938]  ? __switch_to_asm+0x34/0x70
[  297.684013]  bpf_clone_redirect+0xb9/0x490
[  297.688257]  ? __schedule+0x874/0x1ed0
[  297.692153]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  297.697182]  ? __sched_text_start+0x8/0x8
[  297.701339]  ? lockdep_hardirqs_on+0x421/0x5c0
[  297.705924]  ? retint_kernel+0x2d/0x2d
[  297.709821]  ? trace_hardirqs_on_caller+0xc0/0x300
[  297.714757]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  297.719526]  ? find_held_lock+0x36/0x1c0
[  297.723598]  ? lock_acquire+0x1ed/0x520
[  297.727579]  ? bpf_test_run+0x32e/0x5a0
[  297.731558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.737254]  ? check_preemption_disabled+0x48/0x200
[  297.742292]  ? kasan_check_read+0x11/0x20
[  297.746458]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  297.751750]  ? rcu_bh_qs+0xc0/0xc0
[  297.755302]  ? preempt_schedule+0x4d/0x60
[  297.759460]  ? ___preempt_schedule+0x16/0x18
[  297.763878]  ? bpf_test_run+0x1c0/0x5a0
[  297.767894]  ? netlink_diag_dump+0x2a0/0x2a0
[  297.772330]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.777875]  ? bpf_test_init.isra.9+0x70/0x100
[  297.782469]  ? bpf_prog_test_run_skb+0x634/0xb40
[  297.787237]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  297.792089]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  297.797644]  ? fput+0x130/0x1a0
[  297.800949]  ? __bpf_prog_get+0x9b/0x290
[  297.805027]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  297.809878]  ? bpf_prog_test_run+0x130/0x1a0
[  297.814325]  ? __x64_sys_bpf+0x3d8/0x510
[  297.818391]  ? bpf_prog_get+0x20/0x20
[  297.822227]  ? ksys_ioctl+0x81/0xd0
[  297.825871]  ? do_syscall_64+0x1b9/0x820
[  297.829941]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  297.835327]  ? syscall_return_slowpath+0x5e0/0x5e0
[  297.840499]  ? trace_hardirqs_off+0x300/0x300
[  297.845003]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  297.850030]  ? recalc_sigpending_tsk+0x180/0x180
[  297.854807]  ? kasan_check_write+0x14/0x20
[  297.859084]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.863948]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  297.869348] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  297.869437] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  297.876302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  297.876309] Call Trace:
[  297.876316]  <IRQ>
[  297.876341]  dump_stack+0x1c4/0x2b4
[  297.876357]  ? dump_stack_print_info.cold.2+0x52/0x52
[  297.876385]  warn_alloc.cold.118+0xb7/0x1bd
[  297.882957] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  297.892270]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  297.894834] syz-executor4 cpuset=
[  297.896988]  ? lock_downgrade+0x900/0x900
[  297.900596] syz4
[  297.905808]  ? trace_hardirqs_off+0xb8/0x300
[  297.910109]  mems_allowed=0
[  297.942430]  ? trace_hardirqs_off+0xb8/0x300
[  297.946885]  __alloc_pages_slowpath+0x2667/0x2d80
[  297.951795]  ? warn_alloc+0x120/0x120
[  297.955628]  ? warn_alloc+0x120/0x120
[  297.959462]  ? print_usage_bug+0xc0/0xc0
[  297.963547]  ? warn_alloc+0x120/0x120
[  297.967369]  ? print_usage_bug+0xc0/0xc0
[  297.971454]  ? __lock_acquire+0x7ec/0x4ec0
[  297.975702]  ? __lock_acquire+0x7ec/0x4ec0
[  297.979963]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.985531]  ? should_fail+0x22d/0xd01
[  297.989457]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.994585]  ? __lock_acquire+0x7ec/0x4ec0
[  297.998848]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.003959]  ? __lock_acquire+0x7ec/0x4ec0
[  298.008204]  ? should_fail+0x22d/0xd01
[  298.012116]  ? mark_held_locks+0x130/0x130
[  298.016361]  ? mark_held_locks+0x130/0x130
[  298.020608]  ? graph_lock+0x170/0x170
[  298.024425]  ? graph_lock+0x170/0x170
[  298.028241]  ? graph_lock+0x170/0x170
[  298.032059]  ? print_usage_bug+0xc0/0xc0
[  298.036134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.041694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.047260]  ? check_preemption_disabled+0x48/0x200
[  298.052293]  ? check_preemption_disabled+0x48/0x200
[  298.057340]  ? __lock_is_held+0xb5/0x140
[  298.061430]  __alloc_pages_nodemask+0xa80/0xde0
[  298.066117]  ? graph_lock+0x170/0x170
[  298.069933]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  298.074954]  ? graph_lock+0x170/0x170
[  298.078770]  ? find_held_lock+0x36/0x1c0
[  298.082850]  ? ____cache_alloc_node+0x1c7/0x1e0
[  298.087527]  ? lock_downgrade+0x900/0x900
[  298.091697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.097254]  cache_grow_begin+0x91/0x8c0
[  298.101338]  ? do_raw_spin_unlock+0xa7/0x2f0
[  298.105765]  fallback_alloc+0x203/0x2e0
[  298.109756]  ____cache_alloc_node+0x1c7/0x1e0
[  298.114267]  kmem_cache_alloc_node+0xe3/0x730
[  298.118782]  ? ipv6_get_ifaddr+0x42e/0x620
[  298.123041]  __alloc_skb+0x119/0x770
[  298.126770]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  298.132071]  ? skb_scrub_packet+0x490/0x490
[  298.136403]  ? lock_downgrade+0x900/0x900
[  298.140580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.146135]  ? refcount_sub_and_test_checked+0x203/0x310
[  298.151598]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  298.157066]  ? addrconf_rs_timer+0x6f0/0x6f0
[  298.161491]  ndisc_alloc_skb+0x144/0x340
[  298.165559]  ndisc_send_rs+0x331/0x6e0
[  298.169463]  addrconf_rs_timer+0x3c0/0x6f0
[  298.173727]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.177986]  call_timer_fn+0x272/0x920
[  298.181887]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.186139]  ? process_timeout+0x40/0x40
[  298.190216]  ? find_held_lock+0x36/0x1c0
[  298.194302]  ? mark_held_locks+0xc7/0x130
[  298.198463]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.202961]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.207461]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.211722]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  298.216333]  ? trace_hardirqs_on+0xbd/0x310
[  298.220669]  ? kasan_check_read+0x11/0x20
[  298.224824]  ? __run_timers+0x7da/0xc70
[  298.228813]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  298.234295]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.238552]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.242808]  __run_timers+0x7e5/0xc70
[  298.246646]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  298.252044]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  298.257090]  ? graph_lock+0x170/0x170
[  298.260901]  ? print_usage_bug+0xc0/0xc0
[  298.264962]  ? lock_release+0x970/0x970
[  298.268944]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  298.274156]  ? find_held_lock+0x36/0x1c0
[  298.278229]  ? graph_lock+0x170/0x170
[  298.282065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.287605]  ? check_preemption_disabled+0x48/0x200
[  298.292654]  ? __lock_is_held+0xb5/0x140
[  298.296721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.302271]  ? check_preemption_disabled+0x48/0x200
[  298.307307]  run_timer_softirq+0x52/0xb0
[  298.311378]  ? rcu_read_lock_sched_held+0x108/0x120
[  298.316452]  __do_softirq+0x30b/0xad8
[  298.320301]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  298.325441]  ? pvclock_read_flags+0x160/0x160
[  298.329964]  ? lapic_next_event+0x5a/0x90
[  298.334149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.339717]  ? check_preemption_disabled+0x48/0x200
[  298.344766]  ? check_preemption_disabled+0x48/0x200
[  298.349825]  ? kvm_clock_read+0x18/0x30
[  298.353818]  ? kvm_sched_clock_read+0x9/0x20
[  298.358240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.363797]  ? check_preemption_disabled+0x48/0x200
[  298.368860]  irq_exit+0x17f/0x1c0
[  298.372332]  smp_apic_timer_interrupt+0x1cb/0x760
[  298.377189]  ? smp_reschedule_interrupt+0x109/0x650
[  298.382239]  ? smp_call_function_single_interrupt+0x650/0x650
[  298.388163]  ? interrupt_entry+0xb5/0xf0
[  298.392260]  ? trace_hardirqs_off_caller+0xbb/0x300
[  298.397286]  ? trace_hardirqs_off_caller+0xbb/0x300
[  298.402314]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.407168]  ? trace_hardirqs_off+0x300/0x300
[  298.411680]  ? trace_hardirqs_off+0x300/0x300
[  298.416203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.421777]  ? check_preemption_disabled+0x48/0x200
[  298.426824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.432416]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.437303]  apic_timer_interrupt+0xf/0x20
[  298.441540]  </IRQ>
[  298.443784] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  298.449075] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  298.468004] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  298.475750] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  298.483046] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  298.490356] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  298.497663] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  298.504974] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  298.512307]  ? arch_local_irq_restore+0x45/0x52
[  298.517023]  dump_stack+0x26a/0x2b4
[  298.520681]  ? dump_stack_print_info.cold.2+0x52/0x52
[  298.525899]  ? mark_held_locks+0x130/0x130
[  298.530157]  ? mark_held_locks+0x130/0x130
[  298.534469]  dump_header+0x27b/0xf72
[  298.538219]  ? pagefault_out_of_memory+0x197/0x197
[  298.543212]  ? mark_held_locks+0x130/0x130
[  298.547465]  ? __lock_acquire+0x7ec/0x4ec0
[  298.551714]  ? mem_cgroup_charge_statistics+0x780/0x780
[  298.557095]  ? print_usage_bug+0xc0/0xc0
[  298.561211]  ? print_usage_bug+0xc0/0xc0
[  298.565286]  ? graph_lock+0x170/0x170
[  298.569089]  ? graph_lock+0x170/0x170
[  298.572907]  ? print_usage_bug+0xc0/0xc0
[  298.576992]  ? print_usage_bug+0xc0/0xc0
[  298.581105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.586679]  ? find_held_lock+0x36/0x1c0
[  298.590756]  ? mark_held_locks+0xc7/0x130
[  298.594916]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  298.600030]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  298.605145]  ? lockdep_hardirqs_on+0x421/0x5c0
[  298.609758]  ? trace_hardirqs_on+0xbd/0x310
[  298.614091]  ? kasan_check_read+0x11/0x20
[  298.618257]  ? ___ratelimit+0x36f/0x655
[  298.622263]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  298.627717]  ? trace_hardirqs_on+0x310/0x310
[  298.632131]  ? lock_downgrade+0x900/0x900
[  298.636300]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  298.641418]  ? ___ratelimit+0xaa/0x655
[  298.645313]  ? idr_get_free+0xec0/0xec0
[  298.649296]  ? kasan_check_write+0x14/0x20
[  298.653557]  ? do_raw_spin_lock+0xc1/0x200
[  298.657811]  oom_kill_process.cold.27+0x10/0x903
[  298.662583]  ? graph_lock+0x170/0x170
[  298.666391]  ? _raw_spin_unlock+0x2c/0x50
[  298.670559]  ? oom_badness+0xe6/0xaa0
[  298.674379]  ? oom_evaluate_task+0x540/0x540
[  298.678815]  ? find_held_lock+0x36/0x1c0
[  298.682905]  ? out_of_memory+0x974/0x14c0
[  298.687075]  ? lock_downgrade+0x900/0x900
[  298.691249]  ? check_preemption_disabled+0x48/0x200
[  298.696295]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  298.702111]  ? kasan_check_read+0x11/0x20
[  298.706280]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  298.711565]  ? rcu_bh_qs+0xc0/0xc0
[  298.715126]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  298.720164]  ? oom_evaluate_task+0x302/0x540
[  298.724599]  out_of_memory+0xa86/0x14c0
[  298.728596]  ? oom_killer_disable+0x3a0/0x3a0
[  298.733397]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  298.738336]  ? __mutex_add_waiter+0x2a0/0x2a0
[  298.742876]  __alloc_pages_slowpath+0x2318/0x2d80
[  298.747758]  ? warn_alloc+0x120/0x120
[  298.751566]  ? __radix_tree_lookup+0x4c0/0x4c0
[  298.756183]  ? find_get_entry+0x2f2/0xc40
[  298.760383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.765953]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  298.770908]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.776469]  ? should_fail+0x22d/0xd01
[  298.780368]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.785493]  ? __lock_is_held+0xb5/0x140
[  298.789629]  ? __lock_is_held+0xb5/0x140
[  298.793723]  ? find_held_lock+0x36/0x1c0
[  298.797803]  ? ___might_sleep+0x1ed/0x300
[  298.801967]  ? lock_release+0x970/0x970
[  298.806016]  ? arch_local_save_flags+0x40/0x40
[  298.810636]  ? __might_sleep+0x95/0x190
[  298.814631]  __alloc_pages_nodemask+0xa80/0xde0
[  298.819351]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  298.824425]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  298.830242]  ? kasan_check_read+0x11/0x20
[  298.834402]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  298.839705]  ? graph_lock+0x170/0x170
[  298.843519]  ? print_usage_bug+0xc0/0xc0
[  298.847594]  ? graph_lock+0x170/0x170
[  298.851417]  ? graph_lock+0x170/0x170
[  298.855234]  ? __do_page_cache_readahead+0x7ce/0x980
[  298.860368]  ? find_held_lock+0x36/0x1c0
[  298.864460]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  298.870014]  alloc_pages_current+0x10c/0x210
[  298.874439]  ? lock_downgrade+0x900/0x900
[  298.878613]  __page_cache_alloc+0x38f/0x5b0
[  298.882957]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  298.888801]  ? kasan_check_read+0x11/0x20
[  298.892977]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  298.898272]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  298.902963]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.908536]  ? check_preemption_disabled+0x48/0x200
[  298.913592]  filemap_fault+0x1594/0x25f0
[  298.917696]  ? __lock_page_or_retry+0xa00/0xa00
[  298.922392]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  298.928236]  ? kasan_check_read+0x11/0x20
[  298.932433]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  298.937752]  ? rcu_bh_qs+0xc0/0xc0
[  298.941352]  ? print_usage_bug+0xc0/0xc0
[  298.945462]  ? filemap_map_pages+0xdea/0x1980
[  298.949992]  ? print_usage_bug+0xc0/0xc0
[  298.954086]  ? find_get_pages_range_tag+0x1320/0x1320
[  298.959293]  ? print_usage_bug+0xc0/0xc0
[  298.963367]  ? __lock_acquire+0x7ec/0x4ec0
[  298.967620]  ? graph_lock+0x170/0x170
[  298.971443]  ? __sigqueue_free.part.27+0x7d/0xa0
[  298.976223]  ? __lock_acquire+0x7ec/0x4ec0
[  298.980486]  ? lock_acquire+0x1ed/0x520
[  298.984492]  ? ext4_filemap_fault+0x7a/0xad
[  298.988831]  ? lock_release+0x970/0x970
[  298.992819]  ? arch_local_save_flags+0x40/0x40
[  298.997415]  ? mark_held_locks+0x130/0x130
[  299.001671]  ? down_read+0xb0/0x1d0
[  299.005304]  ? ext4_filemap_fault+0x7a/0xad
[  299.009650]  ? __down_interruptible+0x700/0x700
[  299.014350]  ? graph_lock+0x170/0x170
[  299.018174]  ? __sigqueue_free.part.27+0x7d/0xa0
[  299.022967]  ext4_filemap_fault+0x82/0xad
[  299.027139]  __do_fault+0x100/0x6b0
[  299.030784]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  299.036164]  ? print_bad_pte+0x6c0/0x6c0
[  299.040267]  ? pmd_val+0x88/0x100
[  299.043771]  ? add_mm_counter_fast+0xd0/0xd0
[  299.048244]  ? pmd_val+0x88/0x100
[  299.051730]  ? add_mm_counter_fast+0xd0/0xd0
[  299.056182]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.061778]  __handle_mm_fault+0x3709/0x53e0
[  299.066245]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  299.071171]  ? graph_lock+0x170/0x170
[  299.074996]  ? print_usage_bug+0xc0/0xc0
[  299.079083]  ? graph_lock+0x170/0x170
[  299.082900]  ? graph_lock+0x170/0x170
[  299.086737]  ? handle_mm_fault+0x42a/0xc70
[  299.090996]  ? lock_downgrade+0x900/0x900
[  299.095176]  ? check_preemption_disabled+0x48/0x200
[  299.100241]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  299.106079]  ? kasan_check_read+0x11/0x20
[  299.110258]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  299.115565]  ? rcu_bh_qs+0xc0/0xc0
[  299.119124]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  299.124621]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.130182]  ? check_preemption_disabled+0x48/0x200
[  299.135251]  handle_mm_fault+0x54f/0xc70
[  299.139355]  ? __handle_mm_fault+0x53e0/0x53e0
[  299.143969]  ? find_vma+0x34/0x190
[  299.147551]  __do_page_fault+0x67d/0xed0
[  299.151647]  ? mm_fault_error+0x380/0x380
[  299.155820]  ? syscall_slow_exit_work+0x520/0x520
[  299.160686]  do_page_fault+0xf2/0x7e0
[  299.164512]  ? vmalloc_sync_all+0x30/0x30
[  299.168675]  ? error_entry+0x70/0xd0
[  299.172420]  ? trace_hardirqs_off_caller+0xbb/0x300
[  299.177470]  ? trace_hardirqs_on_caller+0xc0/0x300
[  299.182423]  ? syscall_return_slowpath+0x5e0/0x5e0
[  299.187377]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.192258]  ? trace_hardirqs_off+0x300/0x300
[  299.196870]  ? trace_hardirqs_off_caller+0x300/0x300
[  299.202009]  ? prepare_exit_to_usermode+0x291/0x3b0
[  299.207074]  ? page_fault+0x8/0x30
[  299.210680]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.215564]  ? page_fault+0x8/0x30
[  299.219129]  page_fault+0x1e/0x30
[  299.222647] RIP: 0033:0x45db60
[  299.225860] Code: Bad RIP value.
[  299.229235] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  299.234620] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  299.241912] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  299.249209] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  299.256513] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  299.263832] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  299.271159] warn_alloc_show_mem: 1 callbacks suppressed
[  299.271174] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  299.271176] Mem-Info:
[  299.271215] active_anon:41581 inactive_anon:372 isolated_anon:0
[  299.271215]  active_file:17 inactive_file:16 isolated_file:0
[  299.271215]  unevictable:0 dirty:0 writeback:0 unstable:0
[  299.271215]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  299.271215]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  299.271215]  free:13699 free_pcp:281 free_cma:0
[  299.276571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  299.283782] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  299.286208] Call Trace:
[  299.319111] Node 0 
[  299.328486]  <IRQ>
[  299.356104] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  299.358679]  dump_stack+0x1c4/0x2b4
[  299.360890] lowmem_reserve[]:
[  299.363070]  ? dump_stack_print_info.cold.2+0x52/0x52
[  299.388563]  0
[  299.392244]  warn_alloc.cold.118+0xb7/0x1bd
[  299.395324]  2817 6321
[  299.400529]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  299.402300]  6321
[  299.406632]  ? lock_downgrade+0x900/0x900
[  299.413958]  ? trace_hardirqs_off+0xb8/0x300
[  299.415997] Node 0 
[  299.420156]  ? trace_hardirqs_off+0xb8/0x300
[  299.424564] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  299.426788]  __alloc_pages_slowpath+0x2667/0x2d80
[  299.431154] lowmem_reserve[]: 0
[  299.458208]  ? warn_alloc+0x120/0x120
[  299.463030]  0 3503
[  299.466344]  ? warn_alloc+0x120/0x120
[  299.470106]  3503
[  299.472387]  ? print_usage_bug+0xc0/0xc0
[  299.476253] Node 0 
[  299.478329]  ? warn_alloc+0x120/0x120
[  299.482395] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  299.484613]  ? print_usage_bug+0xc0/0xc0
[  299.488384] lowmem_reserve[]: 0
[  299.516814]  ? __lock_acquire+0x7ec/0x4ec0
[  299.520862]  0
[  299.524172]  ? __lock_acquire+0x7ec/0x4ec0
[  299.528383]  0
[  299.530216]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.534434]  0
[  299.536245]  ? should_fail+0x22d/0xd01
[  299.541762] Node 0 
[  299.543678]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.547536] DMA: 
[  299.549778]  ? __lock_acquire+0x7ec/0x4ec0
[  299.554857] 1*4kB 
[  299.556932]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.561132] (U) 
[  299.563295]  ? __lock_acquire+0x7ec/0x4ec0
[  299.568366] 0*8kB 0*16kB 
[  299.570365]  ? should_fail+0x22d/0xd01
[  299.574576] 1*32kB (U) 
[  299.577372]  ? mark_held_locks+0x130/0x130
[  299.581235] 2*64kB (U) 
[  299.583848]  ? mark_held_locks+0x130/0x130
[  299.588058] 1*128kB 
[  299.590648]  ? graph_lock+0x170/0x170
[  299.594859] (U) 
[  299.597188]  ? graph_lock+0x170/0x170
[  299.600958] 1*256kB (U) 
[  299.602953]  ? graph_lock+0x170/0x170
[  299.606734] 0*512kB 
[  299.609411]  ? print_usage_bug+0xc0/0xc0
[  299.613204] 1*1024kB 
[  299.615539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.619582] (U) 
[  299.622016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.627540] 1*2048kB 
[  299.629539]  ? check_preemption_disabled+0x48/0x200
[  299.635062] (M) 
[  299.637505]  ? check_preemption_disabled+0x48/0x200
[  299.642507] 3*4096kB 
[  299.644521]  ? __lock_is_held+0xb5/0x140
[  299.649505] (M) = 15908kB
[  299.651953]  __alloc_pages_nodemask+0xa80/0xde0
[  299.656000] Node 0 
[  299.658763]  ? graph_lock+0x170/0x170
[  299.663445] DMA32: 
[  299.665758]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  299.669536] 2*4kB 
[  299.671781]  ? graph_lock+0x170/0x170
[  299.676776] (M) 
[  299.678952]  ? find_held_lock+0x36/0x1c0
[  299.682714] 1*8kB (U) 
[  299.684730]  ? ____cache_alloc_node+0x1c7/0x1e0
[  299.688767] 3*16kB 
[  299.691288]  ? lock_downgrade+0x900/0x900
[  299.695934] (M) 
[  299.698188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.702298] 1*32kB (M) 
[  299.704294]  cache_grow_begin+0x91/0x8c0
[  299.709808] 3*64kB 
[  299.712407]  ? do_raw_spin_unlock+0xa7/0x2f0
[  299.716449] (UM) 
[  299.718716]  fallback_alloc+0x203/0x2e0
[  299.723082] 3*128kB (M) 
[  299.725178]  ____cache_alloc_node+0x1c7/0x1e0
[  299.729122] 3*256kB 
[  299.731816]  kmem_cache_alloc_node+0xe3/0x730
[  299.736270] (UM) 4*512kB 
[  299.738638]  ? ipv6_get_ifaddr+0x42e/0x620
[  299.743105] (UM) 
[  299.745880]  __alloc_skb+0x119/0x770
[  299.750093] 3*1024kB 
[  299.752170]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  299.755862] (M) 
[  299.758285]  ? skb_scrub_packet+0x490/0x490
[  299.763560] 1*2048kB 
[  299.765548]  ? lock_downgrade+0x900/0x900
[  299.769851] (U) 4*4096kB 
[  299.772300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.776434] (M) 
[  299.779207]  ? refcount_sub_and_test_checked+0x203/0x310
[  299.784725] = 24992kB
[  299.784736] Node 0 
[  299.786736]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  299.792154] Normal: 882*4kB 
[  299.794594]  ? addrconf_rs_timer+0x6f0/0x6f0
[  299.796807] (UME) 
[  299.802302]  ndisc_alloc_skb+0x144/0x340
[  299.805301] 426*8kB 
[  299.809733]  ndisc_send_rs+0x331/0x6e0
[  299.811862] (MEH) 
[  299.815940]  addrconf_rs_timer+0x3c0/0x6f0
[  299.818242] 175*16kB 
[  299.822167]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.824287] (UME) 
[  299.828541]  call_timer_fn+0x272/0x920
[  299.830923] 71*32kB 
[  299.835162]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.837284] (UMEH) 
[  299.841333]  ? process_timeout+0x40/0x40
[  299.843635] 10*64kB 
[  299.847869]  ? find_held_lock+0x36/0x1c0
[  299.850089] (UMH) 
[  299.854183]  ? __run_timers+0x7da/0xc70
[  299.856509] 2*128kB 
[  299.860564]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.862708] (H) 
[  299.866691]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.868993] 0*256kB 2*512kB 
[  299.873501]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.875452] (UH) 
[  299.879948]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  299.882945] 0*1024kB 
[  299.887176]  ? trace_hardirqs_on+0xbd/0x310
[  299.889224] 0*2048kB 
[  299.893806]  ? kasan_check_read+0x11/0x20
[  299.896204] 0*4096kB 
[  299.900517]  ? __run_timers+0x7da/0xc70
[  299.902915] = 13928kB
[  299.907062]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  299.909456] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  299.913430]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.915825] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  299.921273]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.930091] 412 total pagecache pages
[  299.934366]  __run_timers+0x7e5/0xc70
[  299.942923] 0 pages in swap cache
[  299.947165]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  299.950956] Swap cache stats: add 0, delete 0, find 0/0
[  299.954754]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  299.958205] Free swap  = 0kB
[  299.963559]  ? graph_lock+0x170/0x170
[  299.968896] Total swap = 0kB
[  299.973907]  ? enqueue_hrtimer+0x1a5/0x560
[  299.976906] 1965979 pages RAM
[  299.980711]  ? lock_release+0x970/0x970
[  299.983700] 0 pages HighMem/MovableOnly
[  299.983712] 342744 pages reserved
[  299.987943]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  299.991026] 0 pages cma reserved
[  299.995003]  ? find_held_lock+0x36/0x1c0
[  299.999050] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  300.002407]  ? graph_lock+0x170/0x170
[  300.007695] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  300.010964]  ? pvclock_read_flags+0x160/0x160
[  300.015010] syz-fuzzer cpuset=
[  300.021512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.025284] /
[  300.035525]  ? check_preemption_disabled+0x48/0x200
[  300.039997]  mems_allowed=0
[  300.043196]  ? __lock_is_held+0xb5/0x140
[  300.062415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.067967]  ? check_preemption_disabled+0x48/0x200
[  300.072994]  run_timer_softirq+0x52/0xb0
[  300.077058]  ? rcu_read_lock_sched_held+0x108/0x120
[  300.082078]  __do_softirq+0x30b/0xad8
[  300.085895]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  300.091006]  ? pvclock_read_flags+0x160/0x160
[  300.095506]  ? lapic_next_event+0x5a/0x90
[  300.099664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.105216]  ? check_preemption_disabled+0x48/0x200
[  300.110250]  ? check_preemption_disabled+0x48/0x200
[  300.115288]  ? kvm_clock_read+0x18/0x30
[  300.119260]  ? kvm_sched_clock_read+0x9/0x20
[  300.123703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.129294]  ? check_preemption_disabled+0x48/0x200
[  300.134353]  irq_exit+0x17f/0x1c0
[  300.137817]  smp_apic_timer_interrupt+0x1cb/0x760
[  300.142662]  ? smp_reschedule_interrupt+0x109/0x650
[  300.147693]  ? smp_call_function_single_interrupt+0x650/0x650
[  300.153600]  ? interrupt_entry+0xb5/0xf0
[  300.157663]  ? trace_hardirqs_off_caller+0xbb/0x300
[  300.162679]  ? trace_hardirqs_off_caller+0xbb/0x300
[  300.167712]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.172554]  ? trace_hardirqs_off+0x300/0x300
[  300.177046]  ? trace_hardirqs_off+0x300/0x300
[  300.181542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.187082]  ? check_preemption_disabled+0x48/0x200
[  300.192098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.197658]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.202511]  apic_timer_interrupt+0xf/0x20
[  300.206744]  </IRQ>
[  300.208986] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  300.213916] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  300.232821] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  300.240532] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  300.247804] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  300.255158] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  300.262510] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  300.269776] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  300.277097]  skb_clone+0x1bb/0x500
[  300.280642]  ? finish_task_switch+0x2f5/0x900
[  300.285138]  ? skb_split+0x11e0/0x11e0
[  300.289028]  ? preempt_notifier_register+0x200/0x200
[  300.294143]  ? __switch_to_asm+0x34/0x70
[  300.298217]  ? __switch_to_asm+0x34/0x70
[  300.302277]  ? __switch_to_asm+0x40/0x70
[  300.306334]  ? __switch_to_asm+0x34/0x70
[  300.310405]  ? __switch_to_asm+0x40/0x70
[  300.314469]  ? __switch_to_asm+0x34/0x70
[  300.318528]  ? __switch_to_asm+0x40/0x70
[  300.322585]  ? __switch_to_asm+0x34/0x70
[  300.326645]  ? __switch_to_asm+0x34/0x70
[  300.330708]  ? __switch_to_asm+0x40/0x70
[  300.334769]  ? __switch_to_asm+0x34/0x70
[  300.338839]  bpf_clone_redirect+0xb9/0x490
[  300.343109]  ? __schedule+0x874/0x1ed0
[  300.347015]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  300.352043]  ? __sched_text_start+0x8/0x8
[  300.356194]  ? lockdep_hardirqs_on+0x421/0x5c0
[  300.360775]  ? retint_kernel+0x2d/0x2d
[  300.364664]  ? trace_hardirqs_on_caller+0xc0/0x300
[  300.369601]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  300.374374]  ? find_held_lock+0x36/0x1c0
[  300.378446]  ? lock_acquire+0x1ed/0x520
[  300.382442]  ? bpf_test_run+0x32e/0x5a0
[  300.386452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.391997]  ? check_preemption_disabled+0x48/0x200
[  300.397023]  ? kasan_check_read+0x11/0x20
[  300.401179]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  300.406465]  ? rcu_bh_qs+0xc0/0xc0
[  300.410016]  ? preempt_schedule+0x4d/0x60
[  300.414178]  ? ___preempt_schedule+0x16/0x18
[  300.418614]  ? bpf_test_run+0x1c0/0x5a0
[  300.422627]  ? netlink_diag_dump+0x2a0/0x2a0
[  300.427054]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.432593]  ? bpf_test_init.isra.9+0x70/0x100
[  300.437192]  ? bpf_prog_test_run_skb+0x634/0xb40
[  300.441975]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  300.446824]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  300.452387]  ? fput+0x130/0x1a0
[  300.455677]  ? __bpf_prog_get+0x9b/0x290
[  300.459759]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  300.464709]  ? bpf_prog_test_run+0x130/0x1a0
[  300.469126]  ? __x64_sys_bpf+0x3d8/0x510
[  300.473188]  ? bpf_prog_get+0x20/0x20
[  300.477004]  ? ksys_ioctl+0x81/0xd0
[  300.480644]  ? do_syscall_64+0x1b9/0x820
[  300.484725]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  300.490107]  ? syscall_return_slowpath+0x5e0/0x5e0
[  300.495053]  ? trace_hardirqs_off+0x300/0x300
[  300.499558]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  300.504589]  ? recalc_sigpending_tsk+0x180/0x180
[  300.509351]  ? kasan_check_write+0x14/0x20
[  300.513595]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.518453]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  300.523843] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  300.523931] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  300.530778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  300.530784] Call Trace:
[  300.530792]  <IRQ>
[  300.530811]  dump_stack+0x1c4/0x2b4
[  300.530830]  ? dump_stack_print_info.cold.2+0x52/0x52
[  300.537408] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  300.546677]  warn_alloc.cold.118+0xb7/0x1bd
[  300.549238] syz-executor4 cpuset=
[  300.551389]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  300.554993] syz4
[  300.560184]  ? lock_downgrade+0x900/0x900
[  300.570652]  mems_allowed=0
[  300.592307]  ? trace_hardirqs_off+0xb8/0x300
[  300.596724]  ? trace_hardirqs_off+0xb8/0x300
[  300.601150]  __alloc_pages_slowpath+0x2667/0x2d80
[  300.606030]  ? warn_alloc+0x120/0x120
[  300.609835]  ? trace_hardirqs_on+0x310/0x310
[  300.614242]  ? warn_alloc+0x120/0x120
[  300.618044]  ? print_usage_bug+0xc0/0xc0
[  300.622118]  ? warn_alloc+0x120/0x120
[  300.625920]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  300.630937]  ? print_usage_bug+0xc0/0xc0
[  300.635005]  ? __lock_acquire+0x7ec/0x4ec0
[  300.639240]  ? __lock_acquire+0x7ec/0x4ec0
[  300.643479]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.649024]  ? should_fail+0x22d/0xd01
[  300.652923]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.658030]  ? __lock_acquire+0x7ec/0x4ec0
[  300.662268]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.667370]  ? __lock_acquire+0x7ec/0x4ec0
[  300.671619]  ? should_fail+0x22d/0xd01
[  300.675515]  ? print_usage_bug+0xc0/0xc0
[  300.679586]  ? mark_held_locks+0x130/0x130
[  300.683826]  ? mark_held_locks+0x130/0x130
[  300.688068]  ? graph_lock+0x170/0x170
[  300.691869]  ? print_usage_bug+0xc0/0xc0
[  300.695931]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  300.700691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.706237]  ? check_preemption_disabled+0x48/0x200
[  300.711259]  ? check_preemption_disabled+0x48/0x200
[  300.716291]  ? __lock_is_held+0xb5/0x140
[  300.720390]  __alloc_pages_nodemask+0xa80/0xde0
[  300.725066]  ? graph_lock+0x170/0x170
[  300.728876]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  300.734151]  ? graph_lock+0x170/0x170
[  300.737971]  ? find_held_lock+0x36/0x1c0
[  300.742045]  ? ____cache_alloc_node+0x1c7/0x1e0
[  300.746722]  ? lock_downgrade+0x900/0x900
[  300.750908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.756453]  cache_grow_begin+0x91/0x8c0
[  300.760522]  ? do_raw_spin_unlock+0xa7/0x2f0
[  300.764943]  fallback_alloc+0x203/0x2e0
[  300.768926]  ____cache_alloc_node+0x1c7/0x1e0
[  300.773438]  kmem_cache_alloc_node+0xe3/0x730
[  300.777947]  ? ipv6_get_ifaddr+0x42e/0x620
[  300.782237]  __alloc_skb+0x119/0x770
[  300.785968]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  300.791254]  ? skb_scrub_packet+0x490/0x490
[  300.795581]  ? lock_downgrade+0x900/0x900
[  300.799741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.805286]  ? refcount_sub_and_test_checked+0x203/0x310
[  300.810754]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  300.816217]  ? addrconf_rs_timer+0x6f0/0x6f0
[  300.820636]  ndisc_alloc_skb+0x144/0x340
[  300.824711]  ndisc_send_rs+0x331/0x6e0
[  300.828618]  addrconf_rs_timer+0x3c0/0x6f0
[  300.832859]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.837124]  call_timer_fn+0x272/0x920
[  300.841049]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.845300]  ? process_timeout+0x40/0x40
[  300.849359]  ? find_held_lock+0x36/0x1c0
[  300.853448]  ? mark_held_locks+0xc7/0x130
[  300.857619]  ? _raw_spin_unlock_irq+0x27/0x80
[  300.862128]  ? _raw_spin_unlock_irq+0x27/0x80
[  300.866622]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.870862]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  300.875461]  ? trace_hardirqs_on+0xbd/0x310
[  300.879789]  ? kasan_check_read+0x11/0x20
[  300.883940]  ? __run_timers+0x7da/0xc70
[  300.887916]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  300.893393]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.897640]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.901876]  __run_timers+0x7e5/0xc70
[  300.905714]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  300.911089]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  300.916110]  ? graph_lock+0x170/0x170
[  300.919921]  ? print_usage_bug+0xc0/0xc0
[  300.923995]  ? lock_release+0x970/0x970
[  300.927981]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  300.933182]  ? find_held_lock+0x36/0x1c0
[  300.937251]  ? graph_lock+0x170/0x170
[  300.941057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.946598]  ? check_preemption_disabled+0x48/0x200
[  300.951636]  ? __lock_is_held+0xb5/0x140
[  300.955708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.961254]  ? check_preemption_disabled+0x48/0x200
[  300.966283]  run_timer_softirq+0x52/0xb0
[  300.970350]  ? rcu_read_lock_sched_held+0x108/0x120
[  300.975375]  __do_softirq+0x30b/0xad8
[  300.979188]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  300.984334]  ? pvclock_read_flags+0x160/0x160
[  300.988834]  ? lapic_next_event+0x5a/0x90
[  300.993072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.998614]  ? check_preemption_disabled+0x48/0x200
[  301.003637]  ? check_preemption_disabled+0x48/0x200
[  301.008665]  ? kvm_clock_read+0x18/0x30
[  301.012644]  ? kvm_sched_clock_read+0x9/0x20
[  301.017061]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.022600]  ? check_preemption_disabled+0x48/0x200
[  301.027637]  irq_exit+0x17f/0x1c0
[  301.031096]  smp_apic_timer_interrupt+0x1cb/0x760
[  301.035940]  ? smp_reschedule_interrupt+0x109/0x650
[  301.040959]  ? smp_call_function_single_interrupt+0x650/0x650
[  301.046844]  ? interrupt_entry+0xb5/0xf0
[  301.050909]  ? trace_hardirqs_off_caller+0xbb/0x300
[  301.056009]  ? trace_hardirqs_off_caller+0xbb/0x300
[  301.061029]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.065876]  ? trace_hardirqs_off+0x300/0x300
[  301.070374]  ? trace_hardirqs_off+0x300/0x300
[  301.074877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.080418]  ? check_preemption_disabled+0x48/0x200
[  301.085446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.090996]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.095852]  apic_timer_interrupt+0xf/0x20
[  301.100083]  </IRQ>
[  301.102323] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  301.107604] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  301.126511] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  301.134230] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  301.141505] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  301.148775] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  301.156045] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  301.163312] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  301.170606]  ? arch_local_irq_restore+0x45/0x52
[  301.175286]  dump_stack+0x26a/0x2b4
[  301.178917]  ? dump_stack_print_info.cold.2+0x52/0x52
[  301.184115]  ? mark_held_locks+0x130/0x130
[  301.188363]  ? mark_held_locks+0x130/0x130
[  301.192604]  dump_header+0x27b/0xf72
[  301.196333]  ? pagefault_out_of_memory+0x197/0x197
[  301.201273]  ? mark_held_locks+0x130/0x130
[  301.205508]  ? __lock_acquire+0x7ec/0x4ec0
[  301.209749]  ? mem_cgroup_charge_statistics+0x780/0x780
[  301.215118]  ? print_usage_bug+0xc0/0xc0
[  301.219180]  ? print_usage_bug+0xc0/0xc0
[  301.223265]  ? graph_lock+0x170/0x170
[  301.227067]  ? graph_lock+0x170/0x170
[  301.230869]  ? print_usage_bug+0xc0/0xc0
[  301.234928]  ? print_usage_bug+0xc0/0xc0
[  301.238998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.244543]  ? find_held_lock+0x36/0x1c0
[  301.248617]  ? mark_held_locks+0xc7/0x130
[  301.252773]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  301.257967]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  301.263078]  ? lockdep_hardirqs_on+0x421/0x5c0
[  301.267667]  ? trace_hardirqs_on+0xbd/0x310
[  301.271993]  ? kasan_check_read+0x11/0x20
[  301.276147]  ? ___ratelimit+0x36f/0x655
[  301.280126]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  301.285578]  ? trace_hardirqs_on+0x310/0x310
[  301.289988]  ? lock_downgrade+0x900/0x900
[  301.294158]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  301.299295]  ? ___ratelimit+0xaa/0x655
[  301.303204]  ? idr_get_free+0xec0/0xec0
[  301.307212]  ? kasan_check_write+0x14/0x20
[  301.311452]  ? do_raw_spin_lock+0xc1/0x200
[  301.315701]  oom_kill_process.cold.27+0x10/0x903
[  301.320463]  ? graph_lock+0x170/0x170
[  301.324266]  ? _raw_spin_unlock+0x2c/0x50
[  301.328414]  ? oom_badness+0xe6/0xaa0
[  301.332226]  ? oom_evaluate_task+0x540/0x540
[  301.336639]  ? find_held_lock+0x36/0x1c0
[  301.340710]  ? out_of_memory+0x974/0x14c0
[  301.344860]  ? lock_downgrade+0x900/0x900
[  301.349016]  ? check_preemption_disabled+0x48/0x200
[  301.354039]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  301.359838]  ? kasan_check_read+0x11/0x20
[  301.363988]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  301.369273]  ? rcu_bh_qs+0xc0/0xc0
[  301.372858]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  301.377884]  ? oom_evaluate_task+0x302/0x540
[  301.382297]  out_of_memory+0xa86/0x14c0
[  301.386290]  ? oom_killer_disable+0x3a0/0x3a0
[  301.390791]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  301.395727]  ? __mutex_add_waiter+0x2a0/0x2a0
[  301.400246]  __alloc_pages_slowpath+0x2318/0x2d80
[  301.405122]  ? warn_alloc+0x120/0x120
[  301.408924]  ? __radix_tree_lookup+0x4c0/0x4c0
[  301.413527]  ? find_get_entry+0x2f2/0xc40
[  301.417694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.423253]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  301.428183]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.433826]  ? should_fail+0x22d/0xd01
[  301.437720]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.442843]  ? __lock_is_held+0xb5/0x140
[  301.446962]  ? __lock_is_held+0xb5/0x140
[  301.451031]  ? find_held_lock+0x36/0x1c0
[  301.455128]  ? ___might_sleep+0x1ed/0x300
[  301.459284]  ? lock_release+0x970/0x970
[  301.463263]  ? arch_local_save_flags+0x40/0x40
[  301.467861]  ? __might_sleep+0x95/0x190
[  301.471845]  __alloc_pages_nodemask+0xa80/0xde0
[  301.476527]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  301.481572]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  301.487401]  ? kasan_check_read+0x11/0x20
[  301.491593]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  301.496877]  ? graph_lock+0x170/0x170
[  301.500682]  ? print_usage_bug+0xc0/0xc0
[  301.504749]  ? graph_lock+0x170/0x170
[  301.508555]  ? graph_lock+0x170/0x170
[  301.512370]  ? __do_page_cache_readahead+0x7ce/0x980
[  301.517483]  ? find_held_lock+0x36/0x1c0
[  301.521550]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  301.527105]  alloc_pages_current+0x10c/0x210
[  301.531530]  ? lock_downgrade+0x900/0x900
[  301.535712]  __page_cache_alloc+0x38f/0x5b0
[  301.540039]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  301.545932]  ? kasan_check_read+0x11/0x20
[  301.550087]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  301.555368]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  301.560040]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.565583]  ? check_preemption_disabled+0x48/0x200
[  301.570609]  filemap_fault+0x1594/0x25f0
[  301.574688]  ? __lock_page_or_retry+0xa00/0xa00
[  301.579376]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  301.585179]  ? kasan_check_read+0x11/0x20
[  301.589338]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  301.594617]  ? rcu_bh_qs+0xc0/0xc0
[  301.598165]  ? print_usage_bug+0xc0/0xc0
[  301.602248]  ? filemap_map_pages+0xdea/0x1980
[  301.606754]  ? print_usage_bug+0xc0/0xc0
[  301.610854]  ? find_get_pages_range_tag+0x1320/0x1320
[  301.616047]  ? print_usage_bug+0xc0/0xc0
[  301.620114]  ? __lock_acquire+0x7ec/0x4ec0
[  301.624349]  ? graph_lock+0x170/0x170
[  301.628153]  ? __sigqueue_free.part.27+0x7d/0xa0
[  301.632916]  ? __lock_acquire+0x7ec/0x4ec0
[  301.637166]  ? lock_acquire+0x1ed/0x520
[  301.641149]  ? ext4_filemap_fault+0x7a/0xad
[  301.645477]  ? lock_release+0x970/0x970
[  301.649453]  ? arch_local_save_flags+0x40/0x40
[  301.654037]  ? mark_held_locks+0x130/0x130
[  301.658287]  ? down_read+0xb0/0x1d0
[  301.661915]  ? ext4_filemap_fault+0x7a/0xad
[  301.666239]  ? __down_interruptible+0x700/0x700
[  301.670910]  ? graph_lock+0x170/0x170
[  301.674714]  ? __sigqueue_free.part.27+0x7d/0xa0
[  301.679486]  ext4_filemap_fault+0x82/0xad
[  301.683641]  __do_fault+0x100/0x6b0
[  301.687270]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  301.692549]  ? print_bad_pte+0x6c0/0x6c0
[  301.696641]  ? pmd_val+0x88/0x100
[  301.700098]  ? add_mm_counter_fast+0xd0/0xd0
[  301.704506]  ? pmd_val+0x88/0x100
[  301.707960]  ? add_mm_counter_fast+0xd0/0xd0
[  301.712380]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.717960]  __handle_mm_fault+0x3709/0x53e0
[  301.722382]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  301.727247]  ? graph_lock+0x170/0x170
[  301.731057]  ? print_usage_bug+0xc0/0xc0
[  301.735124]  ? graph_lock+0x170/0x170
[  301.738926]  ? graph_lock+0x170/0x170
[  301.742785]  ? handle_mm_fault+0x42a/0xc70
[  301.747038]  ? lock_downgrade+0x900/0x900
[  301.751206]  ? check_preemption_disabled+0x48/0x200
[  301.756234]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  301.762051]  ? kasan_check_read+0x11/0x20
[  301.766205]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  301.771501]  ? rcu_bh_qs+0xc0/0xc0
[  301.775042]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  301.780496]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.786042]  ? check_preemption_disabled+0x48/0x200
[  301.791104]  handle_mm_fault+0x54f/0xc70
[  301.795174]  ? __handle_mm_fault+0x53e0/0x53e0
[  301.799768]  ? find_vma+0x34/0x190
[  301.803317]  __do_page_fault+0x67d/0xed0
[  301.807392]  ? mm_fault_error+0x380/0x380
[  301.811549]  ? syscall_slow_exit_work+0x520/0x520
[  301.816400]  do_page_fault+0xf2/0x7e0
[  301.820210]  ? vmalloc_sync_all+0x30/0x30
[  301.824363]  ? error_entry+0x70/0xd0
[  301.828099]  ? trace_hardirqs_off_caller+0xbb/0x300
[  301.833124]  ? trace_hardirqs_on_caller+0xc0/0x300
[  301.838084]  ? syscall_return_slowpath+0x5e0/0x5e0
[  301.843516]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.848364]  ? trace_hardirqs_off+0x300/0x300
[  301.852870]  ? trace_hardirqs_off_caller+0x300/0x300
[  301.857987]  ? prepare_exit_to_usermode+0x291/0x3b0
[  301.863008]  ? page_fault+0x8/0x30
[  301.866558]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.871415]  ? page_fault+0x8/0x30
[  301.874960]  page_fault+0x1e/0x30
[  301.878426] RIP: 0033:0x45db60
[  301.881632] Code: Bad RIP value.
[  301.884992] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  301.890358] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  301.897630] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  301.904909] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  301.912189] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  301.919476] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  301.926780] warn_alloc_show_mem: 1 callbacks suppressed
[  301.926793] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  301.926796] Mem-Info:
[  301.926827] active_anon:41581 inactive_anon:372 isolated_anon:0
[  301.926827]  active_file:17 inactive_file:16 isolated_file:0
[  301.926827]  unevictable:0 dirty:0 writeback:0 unstable:0
[  301.926827]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  301.926827]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  301.926827]  free:13699 free_pcp:281 free_cma:0
[  301.932194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  301.939442] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  301.941822] Call Trace:
[  301.974719] Node 0 
[  301.984088]  <IRQ>
[  302.011706] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  302.014287]  dump_stack+0x1c4/0x2b4
[  302.016503] lowmem_reserve[]: 0
[  302.018666]  ? dump_stack_print_info.cold.2+0x52/0x52
[  302.044166]  2817
[  302.047822]  warn_alloc.cold.118+0xb7/0x1bd
[  302.051082]  6321
[  302.056268]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  302.058308]  6321
[  302.062651]  ? lock_downgrade+0x900/0x900
[  302.069538]  ? trace_hardirqs_off+0xb8/0x300
[  302.071574] Node 0 
[  302.075724]  ? trace_hardirqs_off+0xb8/0x300
[  302.080150] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  302.082361]  __alloc_pages_slowpath+0x2667/0x2d80
[  302.086742] lowmem_reserve[]:
[  302.113792]  ? warn_alloc+0x120/0x120
[  302.118596]  0
[  302.121717]  ? trace_hardirqs_on+0x310/0x310
[  302.125483]  0 3503
[  302.127306]  ? warn_alloc+0x120/0x120
[  302.131683]  3503
[  302.133949]  ? print_usage_bug+0xc0/0xc0
[  302.137731] Node 0 
[  302.139791]  ? warn_alloc+0x120/0x120
[  302.143856] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  302.146066]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  302.149834] lowmem_reserve[]: 0
[  302.178240]  ? print_usage_bug+0xc0/0xc0
[  302.183235]  0
[  302.186537]  ? __lock_acquire+0x7ec/0x4ec0
[  302.190581]  0
[  302.192393]  ? __lock_acquire+0x7ec/0x4ec0
[  302.196636]  0
[  302.198481]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.204500]  ? should_fail+0x22d/0xd01
[  302.210011] Node 0 DMA: 
[  302.213898]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.213916]  ? __lock_acquire+0x7ec/0x4ec0
[  302.216569] 1*4kB 
[  302.221671]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.225883] (U) 
[  302.228054]  ? __lock_acquire+0x7ec/0x4ec0
[  302.233134] 0*8kB 
[  302.235150]  ? should_fail+0x22d/0xd01
[  302.239357] 0*16kB 1*32kB 
[  302.241521]  ? print_usage_bug+0xc0/0xc0
[  302.245383] (U) 
[  302.248281]  ? mark_held_locks+0x130/0x130
[  302.252300] 2*64kB 
[  302.254274]  ? mark_held_locks+0x130/0x130
[  302.258487] (U) 
[  302.260750]  ? graph_lock+0x170/0x170
[  302.264951] 1*128kB (U) 
[  302.266936]  ? print_usage_bug+0xc0/0xc0
[  302.270713] 1*256kB 
[  302.273388]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  302.277429] (U) 
[  302.279753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.284490] 0*512kB 
[  302.286468]  ? check_preemption_disabled+0x48/0x200
[  302.291999] 1*1024kB 
[  302.294334]  ? check_preemption_disabled+0x48/0x200
[  302.299324] (U) 
[  302.301769]  ? __lock_is_held+0xb5/0x140
[  302.306749] 1*2048kB (M) 
[  302.308744]  __alloc_pages_nodemask+0xa80/0xde0
[  302.312780] 3*4096kB 
[  302.315537]  ? graph_lock+0x170/0x170
[  302.320203] (M) 
[  302.322626]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  302.326410] = 15908kB
[  302.328384]  ? graph_lock+0x170/0x170
[  302.333380] Node 0 
[  302.335811]  ? find_held_lock+0x36/0x1c0
[  302.339574] DMA32: 
[  302.341830]  ? ____cache_alloc_node+0x1c7/0x1e0
[  302.345864] 2*4kB 
[  302.348105]  ? lock_downgrade+0x900/0x900
[  302.352745] (M) 1*8kB 
[  302.354918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.359030] (U) 3*16kB 
[  302.361580]  cache_grow_begin+0x91/0x8c0
[  302.367092] (M) 
[  302.369681]  ? do_raw_spin_unlock+0xa7/0x2f0
[  302.373719] 1*32kB 
[  302.375704]  fallback_alloc+0x203/0x2e0
[  302.380088] (M) 
[  302.382344]  ____cache_alloc_node+0x1c7/0x1e0
[  302.386289] 3*64kB 
[  302.388267]  kmem_cache_alloc_node+0xe3/0x730
[  302.392765] (UM) 
[  302.395019]  ? ipv6_get_ifaddr+0x42e/0x620
[  302.399490] 3*128kB 
[  302.401582]  __alloc_skb+0x119/0x770
[  302.405775] (M) 
[  302.408103]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  302.411795] 3*256kB 
[  302.413778]  ? skb_scrub_packet+0x490/0x490
[  302.419033] (UM) 
[  302.421371]  ? lock_downgrade+0x900/0x900
[  302.425682] 4*512kB 
[  302.427766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.431878] (UM) 
[  302.434205]  ? refcount_sub_and_test_checked+0x203/0x310
[  302.439719] 3*1024kB (M) 
[  302.441808]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  302.447233] 1*2048kB (U) 
[  302.450010]  ? addrconf_rs_timer+0x6f0/0x6f0
[  302.455440] 4*4096kB 
[  302.458214]  ndisc_alloc_skb+0x144/0x340
[  302.462595] (M) 
[  302.465018]  ndisc_send_rs+0x331/0x6e0
[  302.469048] = 24992kB
[  302.469057] Node 0 
[  302.471043]  addrconf_rs_timer+0x3c0/0x6f0
[  302.474893] Normal: 882*4kB 
[  302.477320]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.479525] (UME) 
[  302.483802]  call_timer_fn+0x272/0x920
[  302.486790] 426*8kB 
[  302.491031]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.493158] (MEH) 
[  302.497050]  ? process_timeout+0x40/0x40
[  302.499346] 175*16kB 
[  302.503572]  ? find_held_lock+0x36/0x1c0
[  302.503597]  ? __run_timers+0x7da/0xc70
[  302.505719] (UME) 
[  302.509785]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.512168] 71*32kB (UMEH) 
[  302.516249]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.520203] 10*64kB 
[  302.522353]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.526822] (UMH) 
[  302.529755]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  302.534229] 2*128kB 
[  302.536557]  ? trace_hardirqs_on+0xbd/0x310
[  302.540772] (H) 
[  302.542925]  ? kasan_check_read+0x11/0x20
[  302.547481] 0*256kB 
[  302.549804]  ? __run_timers+0x7da/0xc70
[  302.554094] 2*512kB (UH) 
[  302.556080]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  302.560211] 0*1024kB 
[  302.562538]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.566487] 0*2048kB 
[  302.569245]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.574668] 0*4096kB = 13928kB
[  302.577093]  __run_timers+0x7e5/0xc70
[  302.581314] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  302.583729]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  302.587941] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  302.591128]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  302.594906] 412 total pagecache pages
[  302.603757]  ? graph_lock+0x170/0x170
[  302.609113] 0 pages in swap cache
[  302.617684]  ? enqueue_hrtimer+0x1a5/0x560
[  302.622685] Swap cache stats: add 0, delete 0, find 0/0
[  302.622694] Free swap  = 0kB
[  302.626505]  ? lock_release+0x970/0x970
[  302.630282] Total swap = 0kB
[  302.633738]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  302.637952] 1965979 pages RAM
[  302.643321]  ? find_held_lock+0x36/0x1c0
[  302.646313] 0 pages HighMem/MovableOnly
[  302.650288]  ? graph_lock+0x170/0x170
[  302.653299] 342744 pages reserved
[  302.653308] 0 pages cma reserved
[  302.658502]  ? pvclock_read_flags+0x160/0x160
[  302.661662] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  302.665646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.665666]  ? check_preemption_disabled+0x48/0x200
[  302.665692]  ? __lock_is_held+0xb5/0x140
[  302.669718] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  302.673480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.676916] syz-fuzzer cpuset=
[  302.680288]  ? check_preemption_disabled+0x48/0x200
[  302.684760] /
[  302.691263]  run_timer_softirq+0x52/0xb0
[  302.696800]  mems_allowed=0
[  302.701842]  ? rcu_read_lock_sched_held+0x108/0x120
[  302.744024]  __do_softirq+0x30b/0xad8
[  302.747859]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  302.752972]  ? pvclock_read_flags+0x160/0x160
[  302.757475]  ? lapic_next_event+0x5a/0x90
[  302.761630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.767187]  ? check_preemption_disabled+0x48/0x200
[  302.772213]  ? check_preemption_disabled+0x48/0x200
[  302.777246]  ? kvm_clock_read+0x18/0x30
[  302.781225]  ? kvm_sched_clock_read+0x9/0x20
[  302.785643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.791190]  ? check_preemption_disabled+0x48/0x200
[  302.796229]  irq_exit+0x17f/0x1c0
[  302.799698]  smp_apic_timer_interrupt+0x1cb/0x760
[  302.804546]  ? smp_reschedule_interrupt+0x109/0x650
[  302.809578]  ? smp_call_function_single_interrupt+0x650/0x650
[  302.815468]  ? interrupt_entry+0xb5/0xf0
[  302.819538]  ? trace_hardirqs_off_caller+0xbb/0x300
[  302.824562]  ? trace_hardirqs_off_caller+0xbb/0x300
[  302.829586]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.834445]  ? trace_hardirqs_off+0x300/0x300
[  302.838949]  ? trace_hardirqs_off+0x300/0x300
[  302.843455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.849012]  ? check_preemption_disabled+0x48/0x200
[  302.854039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.859622]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.864493]  apic_timer_interrupt+0xf/0x20
[  302.868727]  </IRQ>
[  302.870972] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  302.875907] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  302.894833] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  302.902555] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  302.909835] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  302.917118] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  302.924397] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  302.931674] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  302.939009]  skb_clone+0x1bb/0x500
[  302.942554]  ? finish_task_switch+0x2f5/0x900
[  302.947072]  ? skb_split+0x11e0/0x11e0
[  302.950990]  ? preempt_notifier_register+0x200/0x200
[  302.956098]  ? __switch_to_asm+0x34/0x70
[  302.960162]  ? __switch_to_asm+0x34/0x70
[  302.964239]  ? __switch_to_asm+0x40/0x70
[  302.968311]  ? __switch_to_asm+0x34/0x70
[  302.972376]  ? __switch_to_asm+0x40/0x70
[  302.976439]  ? __switch_to_asm+0x34/0x70
[  302.980551]  ? __switch_to_asm+0x40/0x70
[  302.984637]  ? __switch_to_asm+0x34/0x70
[  302.988711]  ? __switch_to_asm+0x34/0x70
[  302.992783]  ? __switch_to_asm+0x40/0x70
[  302.996849]  ? __switch_to_asm+0x34/0x70
[  303.000927]  bpf_clone_redirect+0xb9/0x490
[  303.005168]  ? __schedule+0x874/0x1ed0
[  303.009071]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  303.014101]  ? __sched_text_start+0x8/0x8
[  303.018259]  ? lockdep_hardirqs_on+0x421/0x5c0
[  303.022854]  ? retint_kernel+0x2d/0x2d
[  303.026754]  ? trace_hardirqs_on_caller+0xc0/0x300
[  303.031699]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  303.036478]  ? find_held_lock+0x36/0x1c0
[  303.040558]  ? lock_acquire+0x1ed/0x520
[  303.044535]  ? bpf_test_run+0x32e/0x5a0
[  303.048520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.054086]  ? check_preemption_disabled+0x48/0x200
[  303.059122]  ? kasan_check_read+0x11/0x20
[  303.063299]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  303.068605]  ? rcu_bh_qs+0xc0/0xc0
[  303.072156]  ? preempt_schedule+0x4d/0x60
[  303.076312]  ? ___preempt_schedule+0x16/0x18
[  303.080748]  ? bpf_test_run+0x1c0/0x5a0
[  303.084746]  ? netlink_diag_dump+0x2a0/0x2a0
[  303.089181]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.094732]  ? bpf_test_init.isra.9+0x70/0x100
[  303.099336]  ? bpf_prog_test_run_skb+0x634/0xb40
[  303.104122]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  303.108975]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  303.114523]  ? fput+0x130/0x1a0
[  303.117815]  ? __bpf_prog_get+0x9b/0x290
[  303.121895]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  303.126767]  ? bpf_prog_test_run+0x130/0x1a0
[  303.131197]  ? __x64_sys_bpf+0x3d8/0x510
[  303.135261]  ? bpf_prog_get+0x20/0x20
[  303.139078]  ? ksys_ioctl+0x81/0xd0
[  303.142731]  ? do_syscall_64+0x1b9/0x820
[  303.146801]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  303.152197]  ? syscall_return_slowpath+0x5e0/0x5e0
[  303.157156]  ? trace_hardirqs_off+0x300/0x300
[  303.161662]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  303.166699]  ? recalc_sigpending_tsk+0x180/0x180
[  303.171464]  ? kasan_check_write+0x14/0x20
[  303.175717]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.180586]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  303.185977] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  303.186065] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  303.192919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  303.192930] Call Trace:
[  303.199562] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  303.208775]  <IRQ>
[  303.211356] syz-executor4 cpuset=
[  303.221859]  dump_stack+0x1c4/0x2b4
[  303.223987] syz4
[  303.227477]  ? dump_stack_print_info.cold.2+0x52/0x52
[  303.231089]  mems_allowed=0
[  303.233076]  warn_alloc.cold.118+0xb7/0x1bd
[  303.245491]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  303.250344]  ? lock_downgrade+0x900/0x900
[  303.254506]  ? trace_hardirqs_off+0xb8/0x300
[  303.258927]  ? trace_hardirqs_off+0xb8/0x300
[  303.263350]  __alloc_pages_slowpath+0x2667/0x2d80
[  303.268235]  ? warn_alloc+0x120/0x120
[  303.272044]  ? warn_alloc+0x120/0x120
[  303.275887]  ? print_usage_bug+0xc0/0xc0
[  303.279951]  ? warn_alloc+0x120/0x120
[  303.283759]  ? print_usage_bug+0xc0/0xc0
[  303.287832]  ? __lock_acquire+0x7ec/0x4ec0
[  303.292074]  ? __lock_acquire+0x7ec/0x4ec0
[  303.296321]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.301874]  ? should_fail+0x22d/0xd01
[  303.305778]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.310905]  ? __lock_acquire+0x7ec/0x4ec0
[  303.315166]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  303.320293]  ? __lock_acquire+0x7ec/0x4ec0
[  303.324544]  ? should_fail+0x22d/0xd01
[  303.328454]  ? mark_held_locks+0x130/0x130
[  303.332712]  ? mark_held_locks+0x130/0x130
[  303.336953]  ? graph_lock+0x170/0x170
[  303.340764]  ? graph_lock+0x170/0x170
[  303.344601]  ? graph_lock+0x170/0x170
[  303.348407]  ? print_usage_bug+0xc0/0xc0
[  303.352476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.358029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.363587]  ? check_preemption_disabled+0x48/0x200
[  303.368624]  ? check_preemption_disabled+0x48/0x200
[  303.373662]  ? __lock_is_held+0xb5/0x140
[  303.377745]  __alloc_pages_nodemask+0xa80/0xde0
[  303.382451]  ? graph_lock+0x170/0x170
[  303.386279]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  303.391304]  ? graph_lock+0x170/0x170
[  303.395123]  ? find_held_lock+0x36/0x1c0
[  303.399212]  ? ____cache_alloc_node+0x1c7/0x1e0
[  303.403916]  ? lock_downgrade+0x900/0x900
[  303.408084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.413647]  cache_grow_begin+0x91/0x8c0
[  303.417722]  ? do_raw_spin_unlock+0xa7/0x2f0
[  303.422154]  fallback_alloc+0x203/0x2e0
[  303.426143]  ____cache_alloc_node+0x1c7/0x1e0
[  303.430654]  kmem_cache_alloc_node+0xe3/0x730
[  303.435161]  ? ipv6_get_ifaddr+0x42e/0x620
[  303.439420]  __alloc_skb+0x119/0x770
[  303.443149]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  303.448445]  ? skb_scrub_packet+0x490/0x490
[  303.452784]  ? lock_downgrade+0x900/0x900
[  303.456950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.462495]  ? refcount_sub_and_test_checked+0x203/0x310
[  303.467957]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  303.473414]  ? addrconf_rs_timer+0x6f0/0x6f0
[  303.477848]  ndisc_alloc_skb+0x144/0x340
[  303.481922]  ndisc_send_rs+0x331/0x6e0
[  303.485827]  addrconf_rs_timer+0x3c0/0x6f0
[  303.490075]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.494338]  call_timer_fn+0x272/0x920
[  303.498240]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.502487]  ? process_timeout+0x40/0x40
[  303.506555]  ? find_held_lock+0x36/0x1c0
[  303.510648]  ? mark_held_locks+0xc7/0x130
[  303.514818]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.519330]  ? _raw_spin_unlock_irq+0x27/0x80
[  303.523844]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.528093]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  303.532680]  ? trace_hardirqs_on+0xbd/0x310
[  303.537006]  ? kasan_check_read+0x11/0x20
[  303.541163]  ? __run_timers+0x7da/0xc70
[  303.545162]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  303.550643]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.554887]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  303.559127]  __run_timers+0x7e5/0xc70
[  303.562946]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  303.568314]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  303.573351]  ? graph_lock+0x170/0x170
[  303.577158]  ? print_usage_bug+0xc0/0xc0
[  303.581271]  ? lock_release+0x970/0x970
[  303.585261]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  303.590478]  ? find_held_lock+0x36/0x1c0
[  303.594569]  ? graph_lock+0x170/0x170
[  303.598410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.603954]  ? check_preemption_disabled+0x48/0x200
[  303.609007]  ? __lock_is_held+0xb5/0x140
[  303.613069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.618615]  ? check_preemption_disabled+0x48/0x200
[  303.623645]  run_timer_softirq+0x52/0xb0
[  303.627716]  ? rcu_read_lock_sched_held+0x108/0x120
[  303.632739]  __do_softirq+0x30b/0xad8
[  303.636566]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  303.641691]  ? pvclock_read_flags+0x160/0x160
[  303.646187]  ? lapic_next_event+0x5a/0x90
[  303.650349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.655892]  ? check_preemption_disabled+0x48/0x200
[  303.660912]  ? check_preemption_disabled+0x48/0x200
[  303.665936]  ? kvm_clock_read+0x18/0x30
[  303.669911]  ? kvm_sched_clock_read+0x9/0x20
[  303.674323]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.679866]  ? check_preemption_disabled+0x48/0x200
[  303.684899]  irq_exit+0x17f/0x1c0
[  303.688407]  smp_apic_timer_interrupt+0x1cb/0x760
[  303.693277]  ? smp_reschedule_interrupt+0x109/0x650
[  303.698302]  ? smp_call_function_single_interrupt+0x650/0x650
[  303.704189]  ? interrupt_entry+0xb5/0xf0
[  303.708264]  ? trace_hardirqs_off_caller+0xbb/0x300
[  303.713286]  ? trace_hardirqs_off_caller+0xbb/0x300
[  303.718306]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.723150]  ? trace_hardirqs_off+0x300/0x300
[  303.727650]  ? trace_hardirqs_off+0x300/0x300
[  303.732149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.737694]  ? check_preemption_disabled+0x48/0x200
[  303.742716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.748267]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.753140]  apic_timer_interrupt+0xf/0x20
[  303.757383]  </IRQ>
[  303.759658] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  303.764944] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  303.783863] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  303.791584] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  303.798867] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  303.806142] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  303.813422] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  303.820702] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  303.828011]  ? arch_local_irq_restore+0x45/0x52
[  303.832711]  dump_stack+0x26a/0x2b4
[  303.836356]  ? dump_stack_print_info.cold.2+0x52/0x52
[  303.842035]  ? mark_held_locks+0x130/0x130
[  303.846282]  ? mark_held_locks+0x130/0x130
[  303.850530]  dump_header+0x27b/0xf72
[  303.854259]  ? pagefault_out_of_memory+0x197/0x197
[  303.859225]  ? mark_held_locks+0x130/0x130
[  303.863493]  ? __lock_acquire+0x7ec/0x4ec0
[  303.867754]  ? mem_cgroup_charge_statistics+0x780/0x780
[  303.873122]  ? print_usage_bug+0xc0/0xc0
[  303.877186]  ? print_usage_bug+0xc0/0xc0
[  303.881261]  ? graph_lock+0x170/0x170
[  303.885098]  ? graph_lock+0x170/0x170
[  303.888900]  ? print_usage_bug+0xc0/0xc0
[  303.892960]  ? print_usage_bug+0xc0/0xc0
[  303.897031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.902572]  ? find_held_lock+0x36/0x1c0
[  303.906641]  ? mark_held_locks+0xc7/0x130
[  303.910796]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  303.915903]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  303.921006]  ? lockdep_hardirqs_on+0x421/0x5c0
[  303.925593]  ? trace_hardirqs_on+0xbd/0x310
[  303.929919]  ? kasan_check_read+0x11/0x20
[  303.934072]  ? ___ratelimit+0x36f/0x655
[  303.938048]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  303.943505]  ? trace_hardirqs_on+0x310/0x310
[  303.947918]  ? lock_downgrade+0x900/0x900
[  303.952075]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  303.957187]  ? ___ratelimit+0xaa/0x655
[  303.961096]  ? idr_get_free+0xec0/0xec0
[  303.965096]  ? kasan_check_write+0x14/0x20
[  303.969340]  ? do_raw_spin_lock+0xc1/0x200
[  303.973585]  oom_kill_process.cold.27+0x10/0x903
[  303.978349]  ? graph_lock+0x170/0x170
[  303.982165]  ? _raw_spin_unlock+0x2c/0x50
[  303.986325]  ? oom_badness+0xe6/0xaa0
[  303.990134]  ? oom_evaluate_task+0x540/0x540
[  303.994557]  ? find_held_lock+0x36/0x1c0
[  303.998643]  ? out_of_memory+0x974/0x14c0
[  304.002799]  ? lock_downgrade+0x900/0x900
[  304.006957]  ? check_preemption_disabled+0x48/0x200
[  304.011988]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  304.017834]  ? kasan_check_read+0x11/0x20
[  304.022011]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  304.027318]  ? rcu_bh_qs+0xc0/0xc0
[  304.030876]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  304.035968]  ? oom_evaluate_task+0x302/0x540
[  304.040415]  out_of_memory+0xa86/0x14c0
[  304.044410]  ? oom_killer_disable+0x3a0/0x3a0
[  304.048907]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  304.053883]  ? __mutex_add_waiter+0x2a0/0x2a0
[  304.058434]  __alloc_pages_slowpath+0x2318/0x2d80
[  304.063311]  ? warn_alloc+0x120/0x120
[  304.067116]  ? __radix_tree_lookup+0x4c0/0x4c0
[  304.071721]  ? find_get_entry+0x2f2/0xc40
[  304.075897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.081460]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  304.086397]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.091966]  ? should_fail+0x22d/0xd01
[  304.095860]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.100968]  ? __lock_is_held+0xb5/0x140
[  304.105057]  ? __lock_is_held+0xb5/0x140
[  304.109131]  ? find_held_lock+0x36/0x1c0
[  304.113206]  ? ___might_sleep+0x1ed/0x300
[  304.117354]  ? lock_release+0x970/0x970
[  304.121343]  ? arch_local_save_flags+0x40/0x40
[  304.125942]  ? __might_sleep+0x95/0x190
[  304.129945]  __alloc_pages_nodemask+0xa80/0xde0
[  304.134629]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  304.139655]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  304.145459]  ? kasan_check_read+0x11/0x20
[  304.149613]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  304.154898]  ? graph_lock+0x170/0x170
[  304.158718]  ? print_usage_bug+0xc0/0xc0
[  304.162788]  ? graph_lock+0x170/0x170
[  304.166592]  ? graph_lock+0x170/0x170
[  304.170418]  ? __do_page_cache_readahead+0x7ce/0x980
[  304.175557]  ? find_held_lock+0x36/0x1c0
[  304.179634]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  304.185183]  alloc_pages_current+0x10c/0x210
[  304.189601]  ? lock_downgrade+0x900/0x900
[  304.193773]  __page_cache_alloc+0x38f/0x5b0
[  304.198100]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  304.203908]  ? kasan_check_read+0x11/0x20
[  304.208067]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  304.213355]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  304.218034]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.223576]  ? check_preemption_disabled+0x48/0x200
[  304.228607]  filemap_fault+0x1594/0x25f0
[  304.232684]  ? __lock_page_or_retry+0xa00/0xa00
[  304.237397]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  304.243224]  ? kasan_check_read+0x11/0x20
[  304.247378]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  304.252678]  ? rcu_bh_qs+0xc0/0xc0
[  304.256253]  ? print_usage_bug+0xc0/0xc0
[  304.260321]  ? filemap_map_pages+0xdea/0x1980
[  304.264837]  ? print_usage_bug+0xc0/0xc0
[  304.268914]  ? find_get_pages_range_tag+0x1320/0x1320
[  304.274106]  ? print_usage_bug+0xc0/0xc0
[  304.278168]  ? __lock_acquire+0x7ec/0x4ec0
[  304.282421]  ? graph_lock+0x170/0x170
[  304.286239]  ? __sigqueue_free.part.27+0x7d/0xa0
[  304.291011]  ? __lock_acquire+0x7ec/0x4ec0
[  304.295272]  ? lock_acquire+0x1ed/0x520
[  304.299252]  ? ext4_filemap_fault+0x7a/0xad
[  304.303583]  ? lock_release+0x970/0x970
[  304.307563]  ? arch_local_save_flags+0x40/0x40
[  304.312150]  ? mark_held_locks+0x130/0x130
[  304.316408]  ? down_read+0xb0/0x1d0
[  304.320042]  ? ext4_filemap_fault+0x7a/0xad
[  304.324369]  ? __down_interruptible+0x700/0x700
[  304.329083]  ? graph_lock+0x170/0x170
[  304.332889]  ? __sigqueue_free.part.27+0x7d/0xa0
[  304.337662]  ext4_filemap_fault+0x82/0xad
[  304.341815]  __do_fault+0x100/0x6b0
[  304.345448]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  304.350730]  ? print_bad_pte+0x6c0/0x6c0
[  304.354799]  ? pmd_val+0x88/0x100
[  304.358261]  ? add_mm_counter_fast+0xd0/0xd0
[  304.362674]  ? pmd_val+0x88/0x100
[  304.366136]  ? add_mm_counter_fast+0xd0/0xd0
[  304.370556]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.376108]  __handle_mm_fault+0x3709/0x53e0
[  304.380536]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  304.385427]  ? graph_lock+0x170/0x170
[  304.389231]  ? print_usage_bug+0xc0/0xc0
[  304.393317]  ? graph_lock+0x170/0x170
[  304.397116]  ? graph_lock+0x170/0x170
[  304.400973]  ? handle_mm_fault+0x42a/0xc70
[  304.405219]  ? lock_downgrade+0x900/0x900
[  304.409376]  ? check_preemption_disabled+0x48/0x200
[  304.414433]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  304.420247]  ? kasan_check_read+0x11/0x20
[  304.424407]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  304.429714]  ? rcu_bh_qs+0xc0/0xc0
[  304.433263]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  304.438724]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.444277]  ? check_preemption_disabled+0x48/0x200
[  304.449312]  handle_mm_fault+0x54f/0xc70
[  304.453385]  ? __handle_mm_fault+0x53e0/0x53e0
[  304.457980]  ? find_vma+0x34/0x190
[  304.461534]  __do_page_fault+0x67d/0xed0
[  304.465613]  ? mm_fault_error+0x380/0x380
[  304.469773]  ? syscall_slow_exit_work+0x520/0x520
[  304.474632]  do_page_fault+0xf2/0x7e0
[  304.478440]  ? vmalloc_sync_all+0x30/0x30
[  304.482590]  ? error_entry+0x70/0xd0
[  304.486309]  ? trace_hardirqs_off_caller+0xbb/0x300
[  304.491327]  ? trace_hardirqs_on_caller+0xc0/0x300
[  304.496259]  ? syscall_return_slowpath+0x5e0/0x5e0
[  304.501196]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.506046]  ? trace_hardirqs_off+0x300/0x300
[  304.510547]  ? trace_hardirqs_off_caller+0x300/0x300
[  304.515674]  ? prepare_exit_to_usermode+0x291/0x3b0
[  304.520698]  ? page_fault+0x8/0x30
[  304.524245]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.529095]  ? page_fault+0x8/0x30
[  304.532638]  page_fault+0x1e/0x30
[  304.536096] RIP: 0033:0x45db60
[  304.539296] Code: Bad RIP value.
[  304.542673] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  304.548050] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  304.555337] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  304.562637] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  304.569913] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  304.577199] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  304.584511] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  304.584517] warn_alloc_show_mem: 1 callbacks suppressed
[  304.584525] Mem-Info:
[  304.591749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  304.591759] Call Trace:
[  304.597138] active_anon:41581 inactive_anon:372 isolated_anon:0
[  304.597138]  active_file:17 inactive_file:16 isolated_file:0
[  304.597138]  unevictable:0 dirty:0 writeback:0 unstable:0
[  304.597138]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  304.597138]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  304.597138]  free:13699 free_pcp:281 free_cma:0
[  304.599512]  <IRQ>
[  304.608883] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  304.611511]  dump_stack+0x1c4/0x2b4
[  304.644397] Node 0 
[  304.646572]  ? dump_stack_print_info.cold.2+0x52/0x52
[  304.674168] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  304.677796]  warn_alloc.cold.118+0xb7/0x1bd
[  304.679991] lowmem_reserve[]: 0
[  304.685200]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  304.710693]  2817 6321 6321
[  304.715053]  ? lock_downgrade+0x900/0x900
[  304.718306] Node 0 
[  304.723171]  ? trace_hardirqs_off+0xb8/0x300
[  304.726097] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  304.730223]  ? trace_hardirqs_off+0xb8/0x300
[  304.732777] lowmem_reserve[]: 0
[  304.737224]  __alloc_pages_slowpath+0x2667/0x2d80
[  304.764198]  0 3503
[  304.768655]  ? warn_alloc+0x120/0x120
[  304.771872]  3503
[  304.776725]  ? trace_hardirqs_on+0x310/0x310
[  304.778943] Node 0 
[  304.782750]  ? warn_alloc+0x120/0x120
[  304.784823] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  304.789199]  ? print_usage_bug+0xc0/0xc0
[  304.791416] lowmem_reserve[]: 0
[  304.795234]  ? warn_alloc+0x120/0x120
[  304.823589]  0
[  304.827660]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  304.830906]  0 0
[  304.834735]  ? print_usage_bug+0xc0/0xc0
[  304.841545]  ? __lock_acquire+0x7ec/0x4ec0
[  304.843510] Node 0 
[  304.847566]  ? __lock_acquire+0x7ec/0x4ec0
[  304.851789] DMA: 
[  304.854024]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.858236] 1*4kB 
[  304.860297]  ? should_fail+0x22d/0xd01
[  304.865822] (U) 
[  304.867975]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.871839] 0*8kB 
[  304.873812]  ? __lock_acquire+0x7ec/0x4ec0
[  304.878887] 0*16kB 1*32kB 
[  304.881048]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.885258] (U) 
[  304.888100]  ? __lock_acquire+0x7ec/0x4ec0
[  304.893172] 2*64kB (U) 
[  304.895154]  ? should_fail+0x22d/0xd01
[  304.899366] 1*128kB 
[  304.901947]  ? print_usage_bug+0xc0/0xc0
[  304.905815] (U) 
[  304.908154]  ? mark_held_locks+0x130/0x130
[  304.912196] 1*256kB 
[  304.914163]  ? mark_held_locks+0x130/0x130
[  304.918379] (U) 
[  304.920738]  ? graph_lock+0x170/0x170
[  304.924947] 0*512kB 
[  304.926916]  ? print_usage_bug+0xc0/0xc0
[  304.930688] 1*1024kB (U) 
[  304.933025]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  304.937061] 1*2048kB 
[  304.939830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.944561] (M) 
[  304.946976]  ? check_preemption_disabled+0x48/0x200
[  304.952483] 3*4096kB (M) 
[  304.954513]  ? check_preemption_disabled+0x48/0x200
[  304.959500] = 15908kB
[  304.959509] Node 0 
[  304.962297]  ? __lock_is_held+0xb5/0x140
[  304.967276] DMA32: 2*4kB 
[  304.969702]  __alloc_pages_nodemask+0xa80/0xde0
[  304.971922] (M) 
[  304.975993]  ? graph_lock+0x170/0x170
[  304.978735] 1*8kB 
[  304.983408]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  304.985370] (U) 
[  304.989191]  ? graph_lock+0x170/0x170
[  304.991337] 3*16kB 
[  304.996366]  ? find_held_lock+0x36/0x1c0
[  304.998314] (M) 
[  305.002124]  ? ____cache_alloc_node+0x1c7/0x1e0
[  305.004333] 1*32kB 
[  305.008392]  ? lock_downgrade+0x900/0x900
[  305.010351] (M) 3*64kB 
[  305.015047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.017255] (UM) 
[  305.021423]  cache_grow_begin+0x91/0x8c0
[  305.023975] 3*128kB 
[  305.029529]  ? do_raw_spin_unlock+0xa7/0x2f0
[  305.031568] (M) 
[  305.035634]  fallback_alloc+0x203/0x2e0
[  305.037930] 3*256kB 
[  305.042349]  ____cache_alloc_node+0x1c7/0x1e0
[  305.044296] (UM) 
[  305.048290]  kmem_cache_alloc_node+0xe3/0x730
[  305.050588] 4*512kB (UM) 
[  305.055115]  ? ipv6_get_ifaddr+0x42e/0x620
[  305.057158] 3*1024kB 
[  305.061675]  __alloc_skb+0x119/0x770
[  305.064416] (M) 
[  305.068678]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  305.071064] 1*2048kB 
[  305.074785]  ? skb_scrub_packet+0x490/0x490
[  305.076739] (U) 
[  305.082034]  ? lock_downgrade+0x900/0x900
[  305.084428] 4*4096kB 
[  305.088766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.090715] (M) 
[  305.094891]  ? refcount_sub_and_test_checked+0x203/0x310
[  305.097279] = 24992kB
[  305.102818]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  305.104772] Node 0 
[  305.110230]  ? addrconf_rs_timer+0x6f0/0x6f0
[  305.112607] Normal: 882*4kB 
[  305.118068]  ndisc_alloc_skb+0x144/0x340
[  305.120272] (UME) 
[  305.124697]  ndisc_send_rs+0x331/0x6e0
[  305.127683] 426*8kB (MEH) 
[  305.131766]  addrconf_rs_timer+0x3c0/0x6f0
[  305.133887] 175*16kB (UME) 
[  305.137784]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.140599] 71*32kB (UMEH) 
[  305.144859]  call_timer_fn+0x272/0x920
[  305.147759] 10*64kB 
[  305.152000]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.154932] (UMH) 
[  305.158826]  ? process_timeout+0x40/0x40
[  305.161122] 2*128kB (H) 
[  305.165359]  ? find_held_lock+0x36/0x1c0
[  305.167485] 0*256kB 
[  305.171552]  ? __run_timers+0x7da/0xc70
[  305.174199] 2*512kB 
[  305.178254]  ? _raw_spin_unlock_irq+0x27/0x80
[  305.180553] (UH) 
[  305.184519]  ? _raw_spin_unlock_irq+0x27/0x80
[  305.186822] 0*1024kB 
[  305.191330]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.193391] 0*2048kB 0*4096kB 
[  305.197915]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  305.200295] = 13928kB
[  305.200309] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  305.204536]  ? trace_hardirqs_on+0xbd/0x310
[  305.207718] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  305.207727] 412 total pagecache pages
[  305.212308]  ? kasan_check_read+0x11/0x20
[  305.214701] 0 pages in swap cache
[  305.223527]  ? __run_timers+0x7da/0xc70
[  305.227853] Swap cache stats: add 0, delete 0, find 0/0
[  305.236426]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  305.240241] Free swap  = 0kB
[  305.244407]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.247823] Total swap = 0kB
[  305.251801]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  305.257139] 1965979 pages RAM
[  305.262588]  __run_timers+0x7e5/0xc70
[  305.265576] 0 pages HighMem/MovableOnly
[  305.265584] 342744 pages reserved
[  305.269826]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  305.272811] 0 pages cma reserved
[  305.277054]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  305.280274] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  305.283981]  ? graph_lock+0x170/0x170
[  305.288051] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  305.291412]  ? enqueue_hrtimer+0x1a5/0x560
[  305.296745] syz-fuzzer cpuset=
[  305.300110]  ? lock_release+0x970/0x970
[  305.305101] /
[  305.311596]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  305.315379]  mems_allowed=0
[  305.325627]  ? find_held_lock+0x36/0x1c0
[  305.350881]  ? graph_lock+0x170/0x170
[  305.354697]  ? pvclock_read_flags+0x160/0x160
[  305.359235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.364777]  ? check_preemption_disabled+0x48/0x200
[  305.369855]  ? __lock_is_held+0xb5/0x140
[  305.373937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.379482]  ? check_preemption_disabled+0x48/0x200
[  305.384515]  run_timer_softirq+0x52/0xb0
[  305.388595]  ? rcu_read_lock_sched_held+0x108/0x120
[  305.393618]  __do_softirq+0x30b/0xad8
[  305.397455]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  305.402588]  ? pvclock_read_flags+0x160/0x160
[  305.407121]  ? lapic_next_event+0x5a/0x90
[  305.411300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.416894]  ? check_preemption_disabled+0x48/0x200
[  305.421951]  ? check_preemption_disabled+0x48/0x200
[  305.427024]  ? kvm_clock_read+0x18/0x30
[  305.431037]  ? kvm_sched_clock_read+0x9/0x20
[  305.435508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.441102]  ? check_preemption_disabled+0x48/0x200
[  305.446184]  irq_exit+0x17f/0x1c0
[  305.449698]  smp_apic_timer_interrupt+0x1cb/0x760
[  305.454550]  ? smp_reschedule_interrupt+0x109/0x650
[  305.459572]  ? smp_call_function_single_interrupt+0x650/0x650
[  305.465469]  ? interrupt_entry+0xb5/0xf0
[  305.469539]  ? trace_hardirqs_off_caller+0xbb/0x300
[  305.474556]  ? trace_hardirqs_off_caller+0xbb/0x300
[  305.479578]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.484436]  ? trace_hardirqs_off+0x300/0x300
[  305.488929]  ? trace_hardirqs_off+0x300/0x300
[  305.493429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.498971]  ? check_preemption_disabled+0x48/0x200
[  305.503991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.509537]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.514392]  apic_timer_interrupt+0xf/0x20
[  305.518640]  </IRQ>
[  305.520916] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  305.525854] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  305.544771] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  305.552483] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  305.559753] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  305.567031] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  305.574295] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  305.581573] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  305.588887]  skb_clone+0x1bb/0x500
[  305.592445]  ? finish_task_switch+0x2f5/0x900
[  305.596943]  ? skb_split+0x11e0/0x11e0
[  305.600833]  ? preempt_notifier_register+0x200/0x200
[  305.605943]  ? __switch_to_asm+0x34/0x70
[  305.610015]  ? __switch_to_asm+0x34/0x70
[  305.614090]  ? __switch_to_asm+0x40/0x70
[  305.618157]  ? __switch_to_asm+0x34/0x70
[  305.622216]  ? __switch_to_asm+0x40/0x70
[  305.626281]  ? __switch_to_asm+0x34/0x70
[  305.630346]  ? __switch_to_asm+0x40/0x70
[  305.634412]  ? __switch_to_asm+0x34/0x70
[  305.638484]  ? __switch_to_asm+0x34/0x70
[  305.642545]  ? __switch_to_asm+0x40/0x70
[  305.646605]  ? __switch_to_asm+0x34/0x70
[  305.650680]  bpf_clone_redirect+0xb9/0x490
[  305.654929]  ? __schedule+0x874/0x1ed0
[  305.658850]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  305.663898]  ? __sched_text_start+0x8/0x8
[  305.668050]  ? lockdep_hardirqs_on+0x421/0x5c0
[  305.672650]  ? retint_kernel+0x2d/0x2d
[  305.676542]  ? trace_hardirqs_on_caller+0xc0/0x300
[  305.681475]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  305.686239]  ? find_held_lock+0x36/0x1c0
[  305.690332]  ? lock_acquire+0x1ed/0x520
[  305.694321]  ? bpf_test_run+0x32e/0x5a0
[  305.698297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.703842]  ? check_preemption_disabled+0x48/0x200
[  305.708871]  ? kasan_check_read+0x11/0x20
[  305.713027]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  305.718307]  ? rcu_bh_qs+0xc0/0xc0
[  305.721882]  ? preempt_schedule+0x4d/0x60
[  305.726047]  ? ___preempt_schedule+0x16/0x18
[  305.730499]  ? bpf_test_run+0x1c0/0x5a0
[  305.734655]  ? netlink_diag_dump+0x2a0/0x2a0
[  305.739084]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.744634]  ? bpf_test_init.isra.9+0x70/0x100
[  305.749223]  ? bpf_prog_test_run_skb+0x634/0xb40
[  305.754006]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  305.758872]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  305.764541]  ? fput+0x130/0x1a0
[  305.767858]  ? __bpf_prog_get+0x9b/0x290
[  305.771982]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  305.776900]  ? bpf_prog_test_run+0x130/0x1a0
[  305.781343]  ? __x64_sys_bpf+0x3d8/0x510
[  305.785443]  ? bpf_prog_get+0x20/0x20
[  305.789282]  ? ksys_ioctl+0x81/0xd0
[  305.792946]  ? do_syscall_64+0x1b9/0x820
[  305.797055]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  305.802465]  ? syscall_return_slowpath+0x5e0/0x5e0
[  305.807429]  ? trace_hardirqs_off+0x300/0x300
[  305.811936]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  305.816953]  ? recalc_sigpending_tsk+0x180/0x180
[  305.821722]  ? kasan_check_write+0x14/0x20
[  305.825966]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.830821]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  305.836211] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  305.836319] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  305.843639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  305.843648] Call Trace:
[  305.850251] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  305.859476]  <IRQ>
[  305.862049] syz-executor4 cpuset=
[  305.872535]  dump_stack+0x1c4/0x2b4
[  305.874661] syz4
[  305.878113]  ? dump_stack_print_info.cold.2+0x52/0x52
[  305.881723]  mems_allowed=0
[  305.883702]  warn_alloc.cold.118+0xb7/0x1bd
[  305.896124]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  305.900973]  ? lock_downgrade+0x900/0x900
[  305.905131]  ? trace_hardirqs_off+0xb8/0x300
[  305.909664]  ? trace_hardirqs_off+0xb8/0x300
[  305.914088]  __alloc_pages_slowpath+0x2667/0x2d80
[  305.918967]  ? warn_alloc+0x120/0x120
[  305.922774]  ? trace_hardirqs_on+0x310/0x310
[  305.927203]  ? warn_alloc+0x120/0x120
[  305.931015]  ? print_usage_bug+0xc0/0xc0
[  305.935090]  ? warn_alloc+0x120/0x120
[  305.938891]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  305.943909]  ? print_usage_bug+0xc0/0xc0
[  305.947974]  ? __lock_acquire+0x7ec/0x4ec0
[  305.952213]  ? __lock_acquire+0x7ec/0x4ec0
[  305.956452]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.961998]  ? should_fail+0x22d/0xd01
[  305.965895]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.971002]  ? __lock_acquire+0x7ec/0x4ec0
[  305.975245]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.980345]  ? __lock_acquire+0x7ec/0x4ec0
[  305.984577]  ? should_fail+0x22d/0xd01
[  305.988466]  ? print_usage_bug+0xc0/0xc0
[  305.992539]  ? mark_held_locks+0x130/0x130
[  305.996778]  ? mark_held_locks+0x130/0x130
[  306.001024]  ? graph_lock+0x170/0x170
[  306.004839]  ? print_usage_bug+0xc0/0xc0
[  306.008904]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  306.013668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.019217]  ? check_preemption_disabled+0x48/0x200
[  306.024240]  ? check_preemption_disabled+0x48/0x200
[  306.029287]  ? __lock_is_held+0xb5/0x140
[  306.033363]  __alloc_pages_nodemask+0xa80/0xde0
[  306.038033]  ? graph_lock+0x170/0x170
[  306.041930]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  306.046945]  ? graph_lock+0x170/0x170
[  306.050761]  ? find_held_lock+0x36/0x1c0
[  306.054836]  ? ____cache_alloc_node+0x1c7/0x1e0
[  306.059540]  ? lock_downgrade+0x900/0x900
[  306.063727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.069300]  cache_grow_begin+0x91/0x8c0
[  306.073367]  ? do_raw_spin_unlock+0xa7/0x2f0
[  306.077791]  fallback_alloc+0x203/0x2e0
[  306.081771]  ____cache_alloc_node+0x1c7/0x1e0
[  306.086298]  kmem_cache_alloc_node+0xe3/0x730
[  306.090810]  ? ipv6_get_ifaddr+0x42e/0x620
[  306.095059]  __alloc_skb+0x119/0x770
[  306.098785]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  306.104071]  ? skb_scrub_packet+0x490/0x490
[  306.108395]  ? lock_downgrade+0x900/0x900
[  306.112583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.118130]  ? refcount_sub_and_test_checked+0x203/0x310
[  306.123606]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  306.129089]  ? addrconf_rs_timer+0x6f0/0x6f0
[  306.133516]  ndisc_alloc_skb+0x144/0x340
[  306.137589]  ndisc_send_rs+0x331/0x6e0
[  306.141488]  addrconf_rs_timer+0x3c0/0x6f0
[  306.145756]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.150045]  call_timer_fn+0x272/0x920
[  306.153940]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.158178]  ? process_timeout+0x40/0x40
[  306.162241]  ? find_held_lock+0x36/0x1c0
[  306.166312]  ? mark_held_locks+0xc7/0x130
[  306.170468]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.174963]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.179458]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.183691]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  306.188283]  ? trace_hardirqs_on+0xbd/0x310
[  306.192611]  ? kasan_check_read+0x11/0x20
[  306.196772]  ? __run_timers+0x7da/0xc70
[  306.200763]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  306.206226]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.210482]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.214723]  __run_timers+0x7e5/0xc70
[  306.218551]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  306.223919]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  306.228949]  ? graph_lock+0x170/0x170
[  306.232758]  ? print_usage_bug+0xc0/0xc0
[  306.236819]  ? lock_release+0x970/0x970
[  306.240796]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  306.245997]  ? find_held_lock+0x36/0x1c0
[  306.250066]  ? graph_lock+0x170/0x170
[  306.253875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.259424]  ? check_preemption_disabled+0x48/0x200
[  306.264458]  ? __lock_is_held+0xb5/0x140
[  306.268528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.274072]  ? check_preemption_disabled+0x48/0x200
[  306.279100]  run_timer_softirq+0x52/0xb0
[  306.283169]  ? rcu_read_lock_sched_held+0x108/0x120
[  306.288202]  __do_softirq+0x30b/0xad8
[  306.292019]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  306.297159]  ? pvclock_read_flags+0x160/0x160
[  306.301661]  ? lapic_next_event+0x5a/0x90
[  306.305823]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.311368]  ? check_preemption_disabled+0x48/0x200
[  306.316395]  ? check_preemption_disabled+0x48/0x200
[  306.321437]  ? kvm_clock_read+0x18/0x30
[  306.325420]  ? kvm_sched_clock_read+0x9/0x20
[  306.329835]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.335375]  ? check_preemption_disabled+0x48/0x200
[  306.340428]  irq_exit+0x17f/0x1c0
[  306.343888]  smp_apic_timer_interrupt+0x1cb/0x760
[  306.348735]  ? smp_reschedule_interrupt+0x109/0x650
[  306.353759]  ? smp_call_function_single_interrupt+0x650/0x650
[  306.359645]  ? interrupt_entry+0xb5/0xf0
[  306.363716]  ? trace_hardirqs_off_caller+0xbb/0x300
[  306.368734]  ? trace_hardirqs_off_caller+0xbb/0x300
[  306.373756]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.378599]  ? trace_hardirqs_off+0x300/0x300
[  306.383098]  ? trace_hardirqs_off+0x300/0x300
[  306.387597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.393138]  ? check_preemption_disabled+0x48/0x200
[  306.398165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.403723]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.408582]  apic_timer_interrupt+0xf/0x20
[  306.412813]  </IRQ>
[  306.415054] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  306.420335] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  306.439262] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  306.446982] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  306.454255] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  306.461538] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  306.468810] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  306.476090] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  306.483423]  ? arch_local_irq_restore+0x45/0x52
[  306.488124]  dump_stack+0x26a/0x2b4
[  306.491765]  ? dump_stack_print_info.cold.2+0x52/0x52
[  306.496960]  ? mark_held_locks+0x130/0x130
[  306.501203]  ? mark_held_locks+0x130/0x130
[  306.505459]  dump_header+0x27b/0xf72
[  306.509197]  ? pagefault_out_of_memory+0x197/0x197
[  306.514133]  ? mark_held_locks+0x130/0x130
[  306.518386]  ? __lock_acquire+0x7ec/0x4ec0
[  306.522641]  ? mem_cgroup_charge_statistics+0x780/0x780
[  306.528009]  ? print_usage_bug+0xc0/0xc0
[  306.532072]  ? print_usage_bug+0xc0/0xc0
[  306.536150]  ? graph_lock+0x170/0x170
[  306.539971]  ? graph_lock+0x170/0x170
[  306.543791]  ? print_usage_bug+0xc0/0xc0
[  306.547852]  ? print_usage_bug+0xc0/0xc0
[  306.551928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.557472]  ? find_held_lock+0x36/0x1c0
[  306.561554]  ? mark_held_locks+0xc7/0x130
[  306.565722]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  306.570826]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  306.575935]  ? lockdep_hardirqs_on+0x421/0x5c0
[  306.580524]  ? trace_hardirqs_on+0xbd/0x310
[  306.584848]  ? kasan_check_read+0x11/0x20
[  306.589002]  ? ___ratelimit+0x36f/0x655
[  306.592979]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  306.598430]  ? trace_hardirqs_on+0x310/0x310
[  306.602843]  ? lock_downgrade+0x900/0x900
[  306.607003]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  306.612114]  ? ___ratelimit+0xaa/0x655
[  306.616004]  ? idr_get_free+0xec0/0xec0
[  306.619981]  ? kasan_check_write+0x14/0x20
[  306.624240]  ? do_raw_spin_lock+0xc1/0x200
[  306.628511]  oom_kill_process.cold.27+0x10/0x903
[  306.633296]  ? graph_lock+0x170/0x170
[  306.637102]  ? _raw_spin_unlock+0x2c/0x50
[  306.641248]  ? oom_badness+0xe6/0xaa0
[  306.645055]  ? oom_evaluate_task+0x540/0x540
[  306.649468]  ? find_held_lock+0x36/0x1c0
[  306.653546]  ? out_of_memory+0x974/0x14c0
[  306.657696]  ? lock_downgrade+0x900/0x900
[  306.661854]  ? check_preemption_disabled+0x48/0x200
[  306.666878]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  306.672695]  ? kasan_check_read+0x11/0x20
[  306.676849]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  306.682155]  ? rcu_bh_qs+0xc0/0xc0
[  306.685701]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  306.690737]  ? oom_evaluate_task+0x302/0x540
[  306.695154]  out_of_memory+0xa86/0x14c0
[  306.699146]  ? oom_killer_disable+0x3a0/0x3a0
[  306.703644]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  306.708580]  ? __mutex_add_waiter+0x2a0/0x2a0
[  306.713090]  __alloc_pages_slowpath+0x2318/0x2d80
[  306.717980]  ? warn_alloc+0x120/0x120
[  306.721784]  ? __radix_tree_lookup+0x4c0/0x4c0
[  306.726380]  ? find_get_entry+0x2f2/0xc40
[  306.730548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.736355]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  306.741288]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.746834]  ? should_fail+0x22d/0xd01
[  306.750743]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.755860]  ? __lock_is_held+0xb5/0x140
[  306.759952]  ? __lock_is_held+0xb5/0x140
[  306.764025]  ? find_held_lock+0x36/0x1c0
[  306.768104]  ? ___might_sleep+0x1ed/0x300
[  306.772266]  ? lock_release+0x970/0x970
[  306.776246]  ? arch_local_save_flags+0x40/0x40
[  306.780845]  ? __might_sleep+0x95/0x190
[  306.784829]  __alloc_pages_nodemask+0xa80/0xde0
[  306.789509]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  306.794534]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  306.800339]  ? kasan_check_read+0x11/0x20
[  306.804494]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  306.810110]  ? graph_lock+0x170/0x170
[  306.813915]  ? print_usage_bug+0xc0/0xc0
[  306.817980]  ? graph_lock+0x170/0x170
[  306.821778]  ? graph_lock+0x170/0x170
[  306.825583]  ? __do_page_cache_readahead+0x7ce/0x980
[  306.830715]  ? find_held_lock+0x36/0x1c0
[  306.834788]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  306.840333]  alloc_pages_current+0x10c/0x210
[  306.844746]  ? lock_downgrade+0x900/0x900
[  306.848904]  __page_cache_alloc+0x38f/0x5b0
[  306.853244]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  306.859080]  ? kasan_check_read+0x11/0x20
[  306.863240]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  306.868525]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  306.873201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.878808]  ? check_preemption_disabled+0x48/0x200
[  306.883847]  filemap_fault+0x1594/0x25f0
[  306.887940]  ? __lock_page_or_retry+0xa00/0xa00
[  306.892624]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  306.898437]  ? kasan_check_read+0x11/0x20
[  306.902606]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  306.907919]  ? rcu_bh_qs+0xc0/0xc0
[  306.911479]  ? print_usage_bug+0xc0/0xc0
[  306.915560]  ? filemap_map_pages+0xdea/0x1980
[  306.920117]  ? print_usage_bug+0xc0/0xc0
[  306.924211]  ? find_get_pages_range_tag+0x1320/0x1320
[  306.929408]  ? print_usage_bug+0xc0/0xc0
[  306.933483]  ? __lock_acquire+0x7ec/0x4ec0
[  306.937744]  ? graph_lock+0x170/0x170
[  306.941567]  ? __sigqueue_free.part.27+0x7d/0xa0
[  306.946363]  ? __lock_acquire+0x7ec/0x4ec0
[  306.950644]  ? lock_acquire+0x1ed/0x520
[  306.954625]  ? ext4_filemap_fault+0x7a/0xad
[  306.958961]  ? lock_release+0x970/0x970
[  306.962937]  ? arch_local_save_flags+0x40/0x40
[  306.967527]  ? mark_held_locks+0x130/0x130
[  306.971794]  ? down_read+0xb0/0x1d0
[  306.975428]  ? ext4_filemap_fault+0x7a/0xad
[  306.979760]  ? __down_interruptible+0x700/0x700
[  306.984460]  ? graph_lock+0x170/0x170
[  306.988267]  ? __sigqueue_free.part.27+0x7d/0xa0
[  306.993058]  ext4_filemap_fault+0x82/0xad
[  306.997234]  __do_fault+0x100/0x6b0
[  307.000884]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  307.006176]  ? print_bad_pte+0x6c0/0x6c0
[  307.010274]  ? pmd_val+0x88/0x100
[  307.013739]  ? add_mm_counter_fast+0xd0/0xd0
[  307.018159]  ? pmd_val+0x88/0x100
[  307.021624]  ? add_mm_counter_fast+0xd0/0xd0
[  307.026043]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.031624]  __handle_mm_fault+0x3709/0x53e0
[  307.036085]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  307.040954]  ? graph_lock+0x170/0x170
[  307.044767]  ? print_usage_bug+0xc0/0xc0
[  307.048836]  ? graph_lock+0x170/0x170
[  307.052639]  ? graph_lock+0x170/0x170
[  307.056466]  ? handle_mm_fault+0x42a/0xc70
[  307.060704]  ? lock_downgrade+0x900/0x900
[  307.064859]  ? check_preemption_disabled+0x48/0x200
[  307.069882]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  307.075685]  ? kasan_check_read+0x11/0x20
[  307.079851]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  307.085570]  ? rcu_bh_qs+0xc0/0xc0
[  307.089111]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  307.094578]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.100123]  ? check_preemption_disabled+0x48/0x200
[  307.105153]  handle_mm_fault+0x54f/0xc70
[  307.109225]  ? __handle_mm_fault+0x53e0/0x53e0
[  307.113811]  ? find_vma+0x34/0x190
[  307.117367]  __do_page_fault+0x67d/0xed0
[  307.121459]  ? mm_fault_error+0x380/0x380
[  307.125636]  ? syscall_slow_exit_work+0x520/0x520
[  307.130506]  do_page_fault+0xf2/0x7e0
[  307.134312]  ? vmalloc_sync_all+0x30/0x30
[  307.138463]  ? error_entry+0x70/0xd0
[  307.142198]  ? trace_hardirqs_off_caller+0xbb/0x300
[  307.147225]  ? trace_hardirqs_on_caller+0xc0/0x300
[  307.152155]  ? syscall_return_slowpath+0x5e0/0x5e0
[  307.157100]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.161972]  ? trace_hardirqs_off+0x300/0x300
[  307.166472]  ? trace_hardirqs_off_caller+0x300/0x300
[  307.171584]  ? prepare_exit_to_usermode+0x291/0x3b0
[  307.176629]  ? page_fault+0x8/0x30
[  307.180171]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.185021]  ? page_fault+0x8/0x30
[  307.188562]  page_fault+0x1e/0x30
[  307.192028] RIP: 0033:0x45db60
[  307.195259] Code: Bad RIP value.
[  307.198632] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  307.204013] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  307.211293] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  307.218587] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  307.225874] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  307.233150] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  307.240452] warn_alloc_show_mem: 1 callbacks suppressed
[  307.240466] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  307.240468] Mem-Info:
[  307.240501] active_anon:41581 inactive_anon:372 isolated_anon:0
[  307.240501]  active_file:17 inactive_file:16 isolated_file:0
[  307.240501]  unevictable:0 dirty:0 writeback:0 unstable:0
[  307.240501]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  307.240501]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  307.240501]  free:13699 free_pcp:281 free_cma:0
[  307.245849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  307.253050] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  307.255451] Call Trace:
[  307.288341] Node 0 
[  307.297716]  <IRQ>
[  307.325332] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  307.327908]  dump_stack+0x1c4/0x2b4
[  307.330118] lowmem_reserve[]: 0
[  307.332293]  ? dump_stack_print_info.cold.2+0x52/0x52
[  307.357791]  2817 6321
[  307.361473]  warn_alloc.cold.118+0xb7/0x1bd
[  307.364730]  6321
[  307.369939]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  307.376757]  ? lock_downgrade+0x900/0x900
[  307.378806] Node 0 
[  307.383650]  ? trace_hardirqs_off+0xb8/0x300
[  307.387795] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  307.390005]  ? trace_hardirqs_off+0xb8/0x300
[  307.394381] lowmem_reserve[]: 0
[  307.421416]  __alloc_pages_slowpath+0x2667/0x2d80
[  307.425811]  0
[  307.429129]  ? warn_alloc+0x120/0x120
[  307.433907]  3503 3503
[  307.435768]  ? trace_hardirqs_on+0x310/0x310
[  307.439531] Node 0 
[  307.442061]  ? warn_alloc+0x120/0x120
[  307.446472] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  307.448685]  ? print_usage_bug+0xc0/0xc0
[  307.452454] lowmem_reserve[]: 0
[  307.480858]  ? warn_alloc+0x120/0x120
[  307.484919]  0
[  307.488208]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  307.488225]  ? print_usage_bug+0xc0/0xc0
[  307.492004]  0 0
[  307.493818]  ? __lock_acquire+0x7ec/0x4ec0
[  307.498812] Node 0 
[  307.502877]  ? __lock_acquire+0x7ec/0x4ec0
[  307.504831] DMA: 
[  307.509070]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.511283] 1*4kB 
[  307.515517]  ? should_fail+0x22d/0xd01
[  307.517553] (U) 
[  307.523104]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.525229] 0*8kB 0*16kB 
[  307.529129]  ? __lock_acquire+0x7ec/0x4ec0
[  307.531081] 1*32kB (U) 
[  307.536190]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.538926] 2*64kB (U) 
[  307.543166]  ? __lock_acquire+0x7ec/0x4ec0
[  307.545730] 1*128kB 
[  307.550830]  ? should_fail+0x22d/0xd01
[  307.553386] (U) 1*256kB 
[  307.557646]  ? print_usage_bug+0xc0/0xc0
[  307.559959] (U) 
[  307.563850]  ? mark_held_locks+0x130/0x130
[  307.566497] 0*512kB 
[  307.570555]  ? mark_held_locks+0x130/0x130
[  307.572510] 1*1024kB 
[  307.576742]  ? graph_lock+0x170/0x170
[  307.579032] (U) 1*2048kB 
[  307.583278]  ? print_usage_bug+0xc0/0xc0
[  307.585659] (M) 3*4096kB 
[  307.589471]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  307.592231] (M) 
[  307.596291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.599024] = 15908kB
[  307.599033] Node 0 
[  307.603800]  ? check_preemption_disabled+0x48/0x200
[  307.605747] DMA32: 
[  307.611281]  ? check_preemption_disabled+0x48/0x200
[  307.613666] 2*4kB 
[  307.615943]  ? __lock_is_held+0xb5/0x140
[  307.620931] (M) 
[  307.623168]  __alloc_pages_nodemask+0xa80/0xde0
[  307.628179] 1*8kB (U) 
[  307.630345]  ? graph_lock+0x170/0x170
[  307.634379] 3*16kB (M) 
[  307.636374]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  307.641012] 1*32kB (M) 
[  307.643514]  ? graph_lock+0x170/0x170
[  307.647294] 3*64kB (UM) 
[  307.649908]  ? find_held_lock+0x36/0x1c0
[  307.654896] 3*128kB (M) 
[  307.657508]  ? ____cache_alloc_node+0x1c7/0x1e0
[  307.661267] 3*256kB (UM) 
[  307.663950]  ? lock_downgrade+0x900/0x900
[  307.667979] 4*512kB (UM) 
[  307.670680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.675311] 3*1024kB (M) 
[  307.678099]  cache_grow_begin+0x91/0x8c0
[  307.682209] 1*2048kB (U) 
[  307.684996]  ? do_raw_spin_unlock+0xa7/0x2f0
[  307.690527] 4*4096kB (M) 
[  307.693327]  fallback_alloc+0x203/0x2e0
[  307.697340] = 24992kB
[  307.697349] Node 0 
[  307.700114]  ____cache_alloc_node+0x1c7/0x1e0
[  307.704494] Normal: 
[  307.707256]  kmem_cache_alloc_node+0xe3/0x730
[  307.711206] 882*4kB 
[  307.713622]  ? ipv6_get_ifaddr+0x42e/0x620
[  307.715835] (UME) 
[  307.720358]  __alloc_skb+0x119/0x770
[  307.722660] 426*8kB 
[  307.727161]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  307.729457] (MEH) 
[  307.733868]  ? skb_scrub_packet+0x490/0x490
[  307.735998] 175*16kB 
[  307.739719]  ? lock_downgrade+0x900/0x900
[  307.742021] (UME) 
[  307.747298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.749421] 71*32kB 
[  307.753743]  ? refcount_sub_and_test_checked+0x203/0x310
[  307.756123] (UMEH) 10*64kB 
[  307.760281]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  307.762401] (UMH) 2*128kB 
[  307.767951]  ? addrconf_rs_timer+0x6f0/0x6f0
[  307.770254] (H) 
[  307.775720]  ndisc_alloc_skb+0x144/0x340
[  307.778620] 0*256kB 
[  307.784080]  ndisc_send_rs+0x331/0x6e0
[  307.786906] 2*512kB 
[  307.791329]  addrconf_rs_timer+0x3c0/0x6f0
[  307.793277] (UH) 
[  307.797377]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.799674] 0*1024kB 
[  307.803580]  call_timer_fn+0x272/0x920
[  307.805908] 0*2048kB 
[  307.810163]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.812198] 0*4096kB = 13928kB
[  307.816455]  ? process_timeout+0x40/0x40
[  307.818844] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  307.822720]  ? find_held_lock+0x36/0x1c0
[  307.822747]  ? __run_timers+0x7da/0xc70
[  307.825136] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  307.829367]  ? _raw_spin_unlock_irq+0x27/0x80
[  307.832533] 412 total pagecache pages
[  307.836593]  ? _raw_spin_unlock_irq+0x27/0x80
[  307.845920] 0 pages in swap cache
[  307.849980]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.853933] Swap cache stats: add 0, delete 0, find 0/0
[  307.862520]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  307.866992] Free swap  = 0kB
[  307.870792]  ? trace_hardirqs_on+0xbd/0x310
[  307.875263] Total swap = 0kB
[  307.878719]  ? kasan_check_read+0x11/0x20
[  307.878739]  ? __run_timers+0x7da/0xc70
[  307.882951] 1965979 pages RAM
[  307.888311]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  307.892863] 0 pages HighMem/MovableOnly
[  307.892873] 342744 pages reserved
[  307.895908]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.900223] 0 pages cma reserved
[  307.903239]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.907474] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  307.911334]  __run_timers+0x7e5/0xc70
[  307.914488] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  307.919888]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  307.923833] syz-fuzzer cpuset=
[  307.927286]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  307.931498] /
[  307.934861]  ? graph_lock+0x170/0x170
[  307.939091]  mems_allowed=0
[  307.945587]  ? enqueue_hrtimer+0x1a5/0x560
[  307.985770]  ? lock_release+0x970/0x970
[  307.989764]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  307.994976]  ? find_held_lock+0x36/0x1c0
[  307.999053]  ? graph_lock+0x170/0x170
[  308.002868]  ? pvclock_read_flags+0x160/0x160
[  308.007368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.012913]  ? check_preemption_disabled+0x48/0x200
[  308.017937]  ? __lock_is_held+0xb5/0x140
[  308.022024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.027569]  ? check_preemption_disabled+0x48/0x200
[  308.032597]  run_timer_softirq+0x52/0xb0
[  308.036657]  ? rcu_read_lock_sched_held+0x108/0x120
[  308.041717]  __do_softirq+0x30b/0xad8
[  308.045535]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  308.050650]  ? pvclock_read_flags+0x160/0x160
[  308.055142]  ? lapic_next_event+0x5a/0x90
[  308.059294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.064852]  ? check_preemption_disabled+0x48/0x200
[  308.069885]  ? check_preemption_disabled+0x48/0x200
[  308.074916]  ? kvm_clock_read+0x18/0x30
[  308.078890]  ? kvm_sched_clock_read+0x9/0x20
[  308.083307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.088848]  ? check_preemption_disabled+0x48/0x200
[  308.093883]  irq_exit+0x17f/0x1c0
[  308.097342]  smp_apic_timer_interrupt+0x1cb/0x760
[  308.102184]  ? smp_reschedule_interrupt+0x109/0x650
[  308.107205]  ? smp_call_function_single_interrupt+0x650/0x650
[  308.113092]  ? interrupt_entry+0xb5/0xf0
[  308.117161]  ? trace_hardirqs_off_caller+0xbb/0x300
[  308.122179]  ? trace_hardirqs_off_caller+0xbb/0x300
[  308.127200]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.132044]  ? trace_hardirqs_off+0x300/0x300
[  308.136541]  ? trace_hardirqs_off+0x300/0x300
[  308.141037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.146578]  ? check_preemption_disabled+0x48/0x200
[  308.151593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.157139]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.162020]  apic_timer_interrupt+0xf/0x20
[  308.166255]  </IRQ>
[  308.168505] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  308.173443] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  308.192350] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  308.200074] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  308.207342] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  308.214613] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  308.221882] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  308.229150] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  308.236481]  skb_clone+0x1bb/0x500
[  308.240029]  ? finish_task_switch+0x2f5/0x900
[  308.244542]  ? skb_split+0x11e0/0x11e0
[  308.248438]  ? preempt_notifier_register+0x200/0x200
[  308.253542]  ? __switch_to_asm+0x34/0x70
[  308.257608]  ? __switch_to_asm+0x34/0x70
[  308.261667]  ? __switch_to_asm+0x40/0x70
[  308.265764]  ? __switch_to_asm+0x34/0x70
[  308.269829]  ? __switch_to_asm+0x40/0x70
[  308.273888]  ? __switch_to_asm+0x34/0x70
[  308.277946]  ? __switch_to_asm+0x40/0x70
[  308.282009]  ? __switch_to_asm+0x34/0x70
[  308.286102]  ? __switch_to_asm+0x34/0x70
[  308.290162]  ? __switch_to_asm+0x40/0x70
[  308.294224]  ? __switch_to_asm+0x34/0x70
[  308.298326]  bpf_clone_redirect+0xb9/0x490
[  308.302568]  ? __schedule+0x874/0x1ed0
[  308.306473]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  308.311494]  ? __sched_text_start+0x8/0x8
[  308.315648]  ? lockdep_hardirqs_on+0x421/0x5c0
[  308.320235]  ? retint_kernel+0x2d/0x2d
[  308.324125]  ? trace_hardirqs_on_caller+0xc0/0x300
[  308.329071]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  308.333848]  ? find_held_lock+0x36/0x1c0
[  308.337922]  ? lock_acquire+0x1ed/0x520
[  308.341896]  ? bpf_test_run+0x32e/0x5a0
[  308.345873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.351422]  ? check_preemption_disabled+0x48/0x200
[  308.356452]  ? kasan_check_read+0x11/0x20
[  308.360608]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  308.365889]  ? rcu_bh_qs+0xc0/0xc0
[  308.369440]  ? preempt_schedule+0x4d/0x60
[  308.373614]  ? ___preempt_schedule+0x16/0x18
[  308.378031]  ? bpf_test_run+0x1c0/0x5a0
[  308.382034]  ? netlink_diag_dump+0x2a0/0x2a0
[  308.386451]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.391991]  ? bpf_test_init.isra.9+0x70/0x100
[  308.396580]  ? bpf_prog_test_run_skb+0x634/0xb40
[  308.401347]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  308.406190]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  308.411727]  ? fput+0x130/0x1a0
[  308.415016]  ? __bpf_prog_get+0x9b/0x290
[  308.419084]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  308.423929]  ? bpf_prog_test_run+0x130/0x1a0
[  308.428349]  ? __x64_sys_bpf+0x3d8/0x510
[  308.432413]  ? bpf_prog_get+0x20/0x20
[  308.436293]  ? ksys_ioctl+0x81/0xd0
[  308.439956]  ? do_syscall_64+0x1b9/0x820
[  308.444040]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  308.449416]  ? syscall_return_slowpath+0x5e0/0x5e0
[  308.454347]  ? trace_hardirqs_off+0x300/0x300
[  308.458846]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  308.463864]  ? recalc_sigpending_tsk+0x180/0x180
[  308.468632]  ? kasan_check_write+0x14/0x20
[  308.472876]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.477736]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  308.483125] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  308.483244] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  308.490058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  308.490064] Call Trace:
[  308.490073]  <IRQ>
[  308.490089]  dump_stack+0x1c4/0x2b4
[  308.490106]  ? dump_stack_print_info.cold.2+0x52/0x52
[  308.490133]  warn_alloc.cold.118+0xb7/0x1bd
[  308.496710] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  308.505955]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  308.508523] syz-executor4 cpuset=
[  308.510672]  ? lock_downgrade+0x900/0x900
[  308.514281] syz4
[  308.519474]  ? trace_hardirqs_off+0xb8/0x300
[  308.523788]  mems_allowed=0
[  308.534274]  ? trace_hardirqs_off+0xb8/0x300
[  308.560353]  __alloc_pages_slowpath+0x2667/0x2d80
[  308.565235]  ? warn_alloc+0x120/0x120
[  308.569042]  ? warn_alloc+0x120/0x120
[  308.572848]  ? print_usage_bug+0xc0/0xc0
[  308.576916]  ? warn_alloc+0x120/0x120
[  308.580716]  ? print_usage_bug+0xc0/0xc0
[  308.584778]  ? __lock_acquire+0x7ec/0x4ec0
[  308.589015]  ? __lock_acquire+0x7ec/0x4ec0
[  308.593257]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.598794]  ? should_fail+0x22d/0xd01
[  308.602691]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.607802]  ? __lock_acquire+0x7ec/0x4ec0
[  308.612047]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.617160]  ? __lock_acquire+0x7ec/0x4ec0
[  308.621409]  ? should_fail+0x22d/0xd01
[  308.625309]  ? mark_held_locks+0x130/0x130
[  308.629554]  ? mark_held_locks+0x130/0x130
[  308.633821]  ? graph_lock+0x170/0x170
[  308.637626]  ? graph_lock+0x170/0x170
[  308.641441]  ? graph_lock+0x170/0x170
[  308.645250]  ? print_usage_bug+0xc0/0xc0
[  308.649316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.654862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.660405]  ? check_preemption_disabled+0x48/0x200
[  308.665432]  ? check_preemption_disabled+0x48/0x200
[  308.670468]  ? __lock_is_held+0xb5/0x140
[  308.674543]  __alloc_pages_nodemask+0xa80/0xde0
[  308.679239]  ? graph_lock+0x170/0x170
[  308.683045]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  308.688063]  ? graph_lock+0x170/0x170
[  308.691897]  ? find_held_lock+0x36/0x1c0
[  308.695972]  ? ____cache_alloc_node+0x1c7/0x1e0
[  308.700648]  ? lock_downgrade+0x900/0x900
[  308.704804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.710350]  cache_grow_begin+0x91/0x8c0
[  308.714419]  ? do_raw_spin_unlock+0xa7/0x2f0
[  308.718840]  fallback_alloc+0x203/0x2e0
[  308.722824]  ____cache_alloc_node+0x1c7/0x1e0
[  308.727331]  kmem_cache_alloc_node+0xe3/0x730
[  308.731832]  ? ipv6_get_ifaddr+0x42e/0x620
[  308.736350]  __alloc_skb+0x119/0x770
[  308.740068]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  308.745353]  ? skb_scrub_packet+0x490/0x490
[  308.749681]  ? lock_downgrade+0x900/0x900
[  308.753844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.759387]  ? refcount_sub_and_test_checked+0x203/0x310
[  308.764847]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  308.770303]  ? addrconf_rs_timer+0x6f0/0x6f0
[  308.774729]  ndisc_alloc_skb+0x144/0x340
[  308.778801]  ndisc_send_rs+0x331/0x6e0
[  308.782698]  addrconf_rs_timer+0x3c0/0x6f0
[  308.786946]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.791201]  call_timer_fn+0x272/0x920
[  308.795090]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.799328]  ? process_timeout+0x40/0x40
[  308.803389]  ? find_held_lock+0x36/0x1c0
[  308.807460]  ? mark_held_locks+0xc7/0x130
[  308.811613]  ? _raw_spin_unlock_irq+0x27/0x80
[  308.816107]  ? _raw_spin_unlock_irq+0x27/0x80
[  308.820602]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.824838]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  308.829428]  ? trace_hardirqs_on+0xbd/0x310
[  308.833755]  ? kasan_check_read+0x11/0x20
[  308.837909]  ? __run_timers+0x7da/0xc70
[  308.841896]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  308.847359]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.851606]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.855846]  __run_timers+0x7e5/0xc70
[  308.859667]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  308.865041]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  308.870065]  ? graph_lock+0x170/0x170
[  308.873899]  ? print_usage_bug+0xc0/0xc0
[  308.877964]  ? lock_release+0x970/0x970
[  308.881947]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  308.887150]  ? find_held_lock+0x36/0x1c0
[  308.891223]  ? graph_lock+0x170/0x170
[  308.895033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.900580]  ? check_preemption_disabled+0x48/0x200
[  308.905611]  ? __lock_is_held+0xb5/0x140
[  308.909677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.915225]  ? check_preemption_disabled+0x48/0x200
[  308.920259]  run_timer_softirq+0x52/0xb0
[  308.924327]  ? rcu_read_lock_sched_held+0x108/0x120
[  308.929352]  __do_softirq+0x30b/0xad8
[  308.933170]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  308.938284]  ? pvclock_read_flags+0x160/0x160
[  308.942783]  ? lapic_next_event+0x5a/0x90
[  308.946940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.952482]  ? check_preemption_disabled+0x48/0x200
[  308.957503]  ? check_preemption_disabled+0x48/0x200
[  308.962541]  ? kvm_clock_read+0x18/0x30
[  308.966517]  ? kvm_sched_clock_read+0x9/0x20
[  308.970952]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.976497]  ? check_preemption_disabled+0x48/0x200
[  308.981555]  irq_exit+0x17f/0x1c0
[  308.985019]  smp_apic_timer_interrupt+0x1cb/0x760
[  308.989862]  ? smp_reschedule_interrupt+0x109/0x650
[  308.994882]  ? smp_call_function_single_interrupt+0x650/0x650
[  309.000771]  ? interrupt_entry+0xb5/0xf0
[  309.004839]  ? trace_hardirqs_off_caller+0xbb/0x300
[  309.009859]  ? trace_hardirqs_off_caller+0xbb/0x300
[  309.014884]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.019730]  ? trace_hardirqs_off+0x300/0x300
[  309.024225]  ? trace_hardirqs_off+0x300/0x300
[  309.028727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.034271]  ? check_preemption_disabled+0x48/0x200
[  309.039294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.044848]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.049706]  apic_timer_interrupt+0xf/0x20
[  309.053938]  </IRQ>
[  309.056182] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  309.061494] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  309.080410] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  309.088131] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  309.095398] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  309.102666] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  309.109936] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  309.117214] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  309.124514]  ? arch_local_irq_restore+0x45/0x52
[  309.129206]  dump_stack+0x26a/0x2b4
[  309.132837]  ? dump_stack_print_info.cold.2+0x52/0x52
[  309.138031]  ? mark_held_locks+0x130/0x130
[  309.142269]  ? mark_held_locks+0x130/0x130
[  309.146513]  dump_header+0x27b/0xf72
[  309.150243]  ? pagefault_out_of_memory+0x197/0x197
[  309.155182]  ? mark_held_locks+0x130/0x130
[  309.159453]  ? __lock_acquire+0x7ec/0x4ec0
[  309.163695]  ? mem_cgroup_charge_statistics+0x780/0x780
[  309.169086]  ? print_usage_bug+0xc0/0xc0
[  309.173149]  ? print_usage_bug+0xc0/0xc0
[  309.177218]  ? graph_lock+0x170/0x170
[  309.181029]  ? graph_lock+0x170/0x170
[  309.184832]  ? print_usage_bug+0xc0/0xc0
[  309.188892]  ? print_usage_bug+0xc0/0xc0
[  309.192963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.198515]  ? find_held_lock+0x36/0x1c0
[  309.202596]  ? mark_held_locks+0xc7/0x130
[  309.206759]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  309.211889]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  309.216993]  ? lockdep_hardirqs_on+0x421/0x5c0
[  309.221580]  ? trace_hardirqs_on+0xbd/0x310
[  309.225903]  ? kasan_check_read+0x11/0x20
[  309.230055]  ? ___ratelimit+0x36f/0x655
[  309.234033]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  309.239488]  ? trace_hardirqs_on+0x310/0x310
[  309.243902]  ? lock_downgrade+0x900/0x900
[  309.248062]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  309.253167]  ? ___ratelimit+0xaa/0x655
[  309.257067]  ? idr_get_free+0xec0/0xec0
[  309.261066]  ? kasan_check_write+0x14/0x20
[  309.265315]  ? do_raw_spin_lock+0xc1/0x200
[  309.269558]  oom_kill_process.cold.27+0x10/0x903
[  309.274315]  ? graph_lock+0x170/0x170
[  309.278125]  ? _raw_spin_unlock+0x2c/0x50
[  309.282276]  ? oom_badness+0xe6/0xaa0
[  309.286087]  ? oom_evaluate_task+0x540/0x540
[  309.290512]  ? find_held_lock+0x36/0x1c0
[  309.294581]  ? out_of_memory+0x974/0x14c0
[  309.298752]  ? lock_downgrade+0x900/0x900
[  309.302906]  ? check_preemption_disabled+0x48/0x200
[  309.307930]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  309.313733]  ? kasan_check_read+0x11/0x20
[  309.317886]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  309.323167]  ? rcu_bh_qs+0xc0/0xc0
[  309.326718]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  309.331735]  ? oom_evaluate_task+0x302/0x540
[  309.336147]  out_of_memory+0xa86/0x14c0
[  309.340156]  ? oom_killer_disable+0x3a0/0x3a0
[  309.344659]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  309.349609]  ? __mutex_add_waiter+0x2a0/0x2a0
[  309.354117]  __alloc_pages_slowpath+0x2318/0x2d80
[  309.359008]  ? warn_alloc+0x120/0x120
[  309.362818]  ? __radix_tree_lookup+0x4c0/0x4c0
[  309.367416]  ? find_get_entry+0x2f2/0xc40
[  309.371596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.377134]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  309.382078]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.387617]  ? should_fail+0x22d/0xd01
[  309.391532]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.396639]  ? __lock_is_held+0xb5/0x140
[  309.400728]  ? __lock_is_held+0xb5/0x140
[  309.404803]  ? find_held_lock+0x36/0x1c0
[  309.408871]  ? ___might_sleep+0x1ed/0x300
[  309.413022]  ? lock_release+0x970/0x970
[  309.417001]  ? arch_local_save_flags+0x40/0x40
[  309.421598]  ? __might_sleep+0x95/0x190
[  309.425578]  __alloc_pages_nodemask+0xa80/0xde0
[  309.430278]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  309.435303]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  309.441107]  ? kasan_check_read+0x11/0x20
[  309.445652]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  309.450939]  ? graph_lock+0x170/0x170
[  309.454743]  ? print_usage_bug+0xc0/0xc0
[  309.458834]  ? graph_lock+0x170/0x170
[  309.462638]  ? graph_lock+0x170/0x170
[  309.466444]  ? __do_page_cache_readahead+0x7ce/0x980
[  309.471553]  ? find_held_lock+0x36/0x1c0
[  309.475622]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  309.481198]  alloc_pages_current+0x10c/0x210
[  309.485623]  ? lock_downgrade+0x900/0x900
[  309.489784]  __page_cache_alloc+0x38f/0x5b0
[  309.494130]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  309.499948]  ? kasan_check_read+0x11/0x20
[  309.504097]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  309.509380]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  309.514057]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.519596]  ? check_preemption_disabled+0x48/0x200
[  309.524622]  filemap_fault+0x1594/0x25f0
[  309.528697]  ? __lock_page_or_retry+0xa00/0xa00
[  309.533383]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  309.539198]  ? kasan_check_read+0x11/0x20
[  309.543346]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  309.548637]  ? rcu_bh_qs+0xc0/0xc0
[  309.552206]  ? print_usage_bug+0xc0/0xc0
[  309.556271]  ? filemap_map_pages+0xdea/0x1980
[  309.560772]  ? print_usage_bug+0xc0/0xc0
[  309.564873]  ? find_get_pages_range_tag+0x1320/0x1320
[  309.570063]  ? print_usage_bug+0xc0/0xc0
[  309.574128]  ? __lock_acquire+0x7ec/0x4ec0
[  309.578366]  ? graph_lock+0x170/0x170
[  309.582178]  ? __sigqueue_free.part.27+0x7d/0xa0
[  309.586947]  ? __lock_acquire+0x7ec/0x4ec0
[  309.591213]  ? lock_acquire+0x1ed/0x520
[  309.595194]  ? ext4_filemap_fault+0x7a/0xad
[  309.599518]  ? lock_release+0x970/0x970
[  309.603499]  ? arch_local_save_flags+0x40/0x40
[  309.608084]  ? mark_held_locks+0x130/0x130
[  309.612345]  ? down_read+0xb0/0x1d0
[  309.615971]  ? ext4_filemap_fault+0x7a/0xad
[  309.620294]  ? __down_interruptible+0x700/0x700
[  309.624965]  ? graph_lock+0x170/0x170
[  309.628783]  ? __sigqueue_free.part.27+0x7d/0xa0
[  309.633574]  ext4_filemap_fault+0x82/0xad
[  309.637731]  __do_fault+0x100/0x6b0
[  309.641359]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  309.646644]  ? print_bad_pte+0x6c0/0x6c0
[  309.650715]  ? pmd_val+0x88/0x100
[  309.654174]  ? add_mm_counter_fast+0xd0/0xd0
[  309.658590]  ? pmd_val+0x88/0x100
[  309.662047]  ? add_mm_counter_fast+0xd0/0xd0
[  309.666466]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.672010]  __handle_mm_fault+0x3709/0x53e0
[  309.676442]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  309.681306]  ? graph_lock+0x170/0x170
[  309.685122]  ? print_usage_bug+0xc0/0xc0
[  309.689211]  ? graph_lock+0x170/0x170
[  309.693027]  ? graph_lock+0x170/0x170
[  309.696853]  ? handle_mm_fault+0x42a/0xc70
[  309.701092]  ? lock_downgrade+0x900/0x900
[  309.705251]  ? check_preemption_disabled+0x48/0x200
[  309.710280]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  309.716080]  ? kasan_check_read+0x11/0x20
[  309.720241]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  309.725517]  ? rcu_bh_qs+0xc0/0xc0
[  309.729060]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  309.734529]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.740084]  ? check_preemption_disabled+0x48/0x200
[  309.745152]  handle_mm_fault+0x54f/0xc70
[  309.749237]  ? __handle_mm_fault+0x53e0/0x53e0
[  309.753833]  ? find_vma+0x34/0x190
[  309.757405]  __do_page_fault+0x67d/0xed0
[  309.761476]  ? mm_fault_error+0x380/0x380
[  309.765641]  ? syscall_slow_exit_work+0x520/0x520
[  309.770491]  do_page_fault+0xf2/0x7e0
[  309.774306]  ? vmalloc_sync_all+0x30/0x30
[  309.778457]  ? error_entry+0x70/0xd0
[  309.782196]  ? trace_hardirqs_off_caller+0xbb/0x300
[  309.787213]  ? trace_hardirqs_on_caller+0xc0/0x300
[  309.792170]  ? syscall_return_slowpath+0x5e0/0x5e0
[  309.797107]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.801970]  ? trace_hardirqs_off+0x300/0x300
[  309.806464]  ? trace_hardirqs_off_caller+0x300/0x300
[  309.811587]  ? prepare_exit_to_usermode+0x291/0x3b0
[  309.816697]  ? page_fault+0x8/0x30
[  309.820238]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.825096]  ? page_fault+0x8/0x30
[  309.828641]  page_fault+0x1e/0x30
[  309.832099] RIP: 0033:0x45db60
[  309.835298] Code: Bad RIP value.
[  309.838657] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  309.844513] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  309.851806] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  309.859073] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  309.866343] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  309.873612] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  309.880915] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  309.880922] warn_alloc_show_mem: 1 callbacks suppressed
[  309.880929] Mem-Info:
[  309.888125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  309.893494] active_anon:41581 inactive_anon:372 isolated_anon:0
[  309.893494]  active_file:17 inactive_file:16 isolated_file:0
[  309.893494]  unevictable:0 dirty:0 writeback:0 unstable:0
[  309.893494]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  309.893494]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  309.893494]  free:13699 free_pcp:281 free_cma:0
[  309.895867] Call Trace:
[  309.905272] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  309.938133]  <IRQ>
[  309.940710] Node 0 
[  309.968311]  dump_stack+0x1c4/0x2b4
[  309.970470] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  309.972681]  ? dump_stack_print_info.cold.2+0x52/0x52
[  309.976284] lowmem_reserve[]:
[  310.001810]  warn_alloc.cold.118+0xb7/0x1bd
[  310.006968]  0
[  310.010071]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  310.014369]  2817
[  310.016183]  ? lock_downgrade+0x900/0x900
[  310.020997]  6321 6321
[  310.023073]  ? trace_hardirqs_off+0xb8/0x300
[  310.029700]  ? trace_hardirqs_off+0xb8/0x300
[  310.034081] Node 0 DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  310.038515]  __alloc_pages_slowpath+0x2667/0x2d80
[  310.038557]  ? warn_alloc+0x120/0x120
[  310.066113] lowmem_reserve[]:
[  310.070956]  ? trace_hardirqs_on+0x310/0x310
[  310.074733]  0
[  310.077834]  ? warn_alloc+0x120/0x120
[  310.082216]  0
[  310.084029]  ? print_usage_bug+0xc0/0xc0
[  310.087820]  3503
[  310.089618]  ? warn_alloc+0x120/0x120
[  310.093655]  3503
[  310.095720]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  310.101560]  ? print_usage_bug+0xc0/0xc0
[  310.106551] Node 0 
[  310.110606]  ? __lock_acquire+0x7ec/0x4ec0
[  310.110637] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  310.110644] lowmem_reserve[]:
[  310.112875]  ? __lock_acquire+0x7ec/0x4ec0
[  310.117102]  0
[  310.145480]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.148562]  0
[  310.152806]  ? should_fail+0x22d/0xd01
[  310.154584]  0
[  310.160132]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.161901]  0
[  310.165783]  ? __lock_acquire+0x7ec/0x4ec0
[  310.172709]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.174495] Node 0 
[  310.178726]  ? __lock_acquire+0x7ec/0x4ec0
[  310.183824] DMA: 
[  310.186057]  ? should_fail+0x22d/0xd01
[  310.190293] 1*4kB 
[  310.192349]  ? print_usage_bug+0xc0/0xc0
[  310.196210] (U) 
[  310.198383]  ? mark_held_locks+0x130/0x130
[  310.202440] 0*8kB 
[  310.204410]  ? mark_held_locks+0x130/0x130
[  310.204433]  ? graph_lock+0x170/0x170
[  310.208646] 0*16kB 
[  310.210792]  ? print_usage_bug+0xc0/0xc0
[  310.214998] 1*32kB (U) 
[  310.218822]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  310.221047] 2*64kB 
[  310.225106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.227665] (U) 
[  310.232426]  ? check_preemption_disabled+0x48/0x200
[  310.234638] 1*128kB 
[  310.240184]  ? check_preemption_disabled+0x48/0x200
[  310.242144] (U) 
[  310.247161]  ? __lock_is_held+0xb5/0x140
[  310.249453] 1*256kB (U) 
[  310.254482]  __alloc_pages_nodemask+0xa80/0xde0
[  310.256433] 0*512kB 
[  310.260501]  ? graph_lock+0x170/0x170
[  310.263154] 1*1024kB 
[  310.267835]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  310.270137] (U) 
[  310.273952]  ? graph_lock+0x170/0x170
[  310.276342] 1*2048kB (M) 
[  310.281370]  ? find_held_lock+0x36/0x1c0
[  310.283319] 3*4096kB 
[  310.289055]  ? ____cache_alloc_node+0x1c7/0x1e0
[  310.291794] (M) 
[  310.295849]  ? lock_downgrade+0x900/0x900
[  310.298236] = 15908kB
[  310.302931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.304884] Node 0 
[  310.309033]  cache_grow_begin+0x91/0x8c0
[  310.311426] DMA32: 
[  310.316962]  ? do_raw_spin_unlock+0xa7/0x2f0
[  310.319185] 2*4kB 
[  310.323254]  fallback_alloc+0x203/0x2e0
[  310.325476] (M) 
[  310.329882]  ____cache_alloc_node+0x1c7/0x1e0
[  310.332010] 1*8kB 
[  310.336010]  kmem_cache_alloc_node+0xe3/0x730
[  310.337959] (U) 
[  310.342453]  ? ipv6_get_ifaddr+0x42e/0x620
[  310.344578] 3*16kB 
[  310.349091]  __alloc_skb+0x119/0x770
[  310.351041] (M) 
[  310.355275]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  310.357486] 1*32kB 
[  310.361192]  ? skb_scrub_packet+0x490/0x490
[  310.363167] (M) 3*64kB 
[  310.368449]  ? lock_downgrade+0x900/0x900
[  310.370656] (UM) 3*128kB 
[  310.374991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.377561] (M) 
[  310.381738]  ? refcount_sub_and_test_checked+0x203/0x310
[  310.384466] 3*256kB (UM) 
[  310.390012]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  310.391970] 4*512kB 
[  310.397439]  ? addrconf_rs_timer+0x6f0/0x6f0
[  310.400181] (UM) 
[  310.405640]  ndisc_alloc_skb+0x144/0x340
[  310.407931] 3*1024kB (M) 
[  310.412368]  ndisc_send_rs+0x331/0x6e0
[  310.414436] 1*2048kB 
[  310.418494]  addrconf_rs_timer+0x3c0/0x6f0
[  310.421230] (U) 
[  310.425133]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.427523] 4*4096kB 
[  310.431776]  call_timer_fn+0x272/0x920
[  310.433721] (M) 
[  310.437956]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.440345] = 24992kB
[  310.440354] Node 0 
[  310.444245]  ? process_timeout+0x40/0x40
[  310.446222] Normal: 882*4kB 
[  310.450495]  ? find_held_lock+0x36/0x1c0
[  310.452883] (UME) 
[  310.455133]  ? __run_timers+0x7da/0xc70
[  310.459167] 426*8kB 
[  310.462205]  ? _raw_spin_unlock_irq+0x27/0x80
[  310.466249] (MEH) 
[  310.468402]  ? _raw_spin_unlock_irq+0x27/0x80
[  310.472350] 175*16kB 
[  310.474669]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.479152] (UME) 
[  310.481328]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  310.485821] 71*32kB 
[  310.488243]  ? trace_hardirqs_on+0xbd/0x310
[  310.492464] (UMEH) 
[  310.494613]  ? kasan_check_read+0x11/0x20
[  310.499164] 10*64kB (UMH) 
[  310.501509]  ? __run_timers+0x7da/0xc70
[  310.505826] 2*128kB 
[  310.508070]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  310.512199] (H) 
[  310.515047]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.518997] 0*256kB 
[  310.521331]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  310.526759] 2*512kB 
[  310.528748]  __run_timers+0x7e5/0xc70
[  310.532958] (UH) 
[  310.535293]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  310.539504] 0*1024kB 
[  310.541831]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  310.545626] 0*2048kB 
[  310.547693]  ? graph_lock+0x170/0x170
[  310.553029] 0*4096kB 
[  310.555432]  ? enqueue_hrtimer+0x1a5/0x560
[  310.560427] = 13928kB
[  310.562834]  ? lock_release+0x970/0x970
[  310.566620] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  310.569022]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  310.573241] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  310.575645]  ? find_held_lock+0x36/0x1c0
[  310.579606] 412 total pagecache pages
[  310.588454]  ? graph_lock+0x170/0x170
[  310.593632] 0 pages in swap cache
[  310.602204]  ? pvclock_read_flags+0x160/0x160
[  310.606240] Swap cache stats: add 0, delete 0, find 0/0
[  310.606261] Free swap  = 0kB
[  310.610061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.613838] Total swap = 0kB
[  310.617287]  ? check_preemption_disabled+0x48/0x200
[  310.621753] 1965979 pages RAM
[  310.627117]  ? __lock_is_held+0xb5/0x140
[  310.630101] 0 pages HighMem/MovableOnly
[  310.630111] 342744 pages reserved
[  310.635645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.638639] 0 pages cma reserved
[  310.643670]  ? check_preemption_disabled+0x48/0x200
[  310.646818] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  310.650829]  run_timer_softirq+0x52/0xb0
[  310.654836] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  310.658228]  ? rcu_read_lock_sched_held+0x108/0x120
[  310.663741] syz-fuzzer cpuset=
[  310.667105]  __do_softirq+0x30b/0xad8
[  310.672134] /
[  310.678629]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  310.682663]  mems_allowed=0
[  310.692901]  ? pvclock_read_flags+0x160/0x160
[  310.719087]  ? lapic_next_event+0x5a/0x90
[  310.723236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.728790]  ? check_preemption_disabled+0x48/0x200
[  310.734032]  ? check_preemption_disabled+0x48/0x200
[  310.739058]  ? kvm_clock_read+0x18/0x30
[  310.743035]  ? kvm_sched_clock_read+0x9/0x20
[  310.747461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.753035]  ? check_preemption_disabled+0x48/0x200
[  310.758093]  irq_exit+0x17f/0x1c0
[  310.761553]  smp_apic_timer_interrupt+0x1cb/0x760
[  310.766392]  ? smp_reschedule_interrupt+0x109/0x650
[  310.771421]  ? smp_call_function_single_interrupt+0x650/0x650
[  310.777420]  ? interrupt_entry+0xb5/0xf0
[  310.781484]  ? trace_hardirqs_off_caller+0xbb/0x300
[  310.786506]  ? trace_hardirqs_off_caller+0xbb/0x300
[  310.791527]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.796368]  ? trace_hardirqs_off+0x300/0x300
[  310.800861]  ? trace_hardirqs_off+0x300/0x300
[  310.805359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.810902]  ? check_preemption_disabled+0x48/0x200
[  310.815919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.821472]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.826326]  apic_timer_interrupt+0xf/0x20
[  310.830558]  </IRQ>
[  310.832819] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  310.837756] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  310.856690] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  310.864404] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  310.871700] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  310.878998] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  310.886871] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  310.894143] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  310.901471]  skb_clone+0x1bb/0x500
[  310.905019]  ? finish_task_switch+0x2f5/0x900
[  310.909537]  ? skb_split+0x11e0/0x11e0
[  310.913433]  ? preempt_notifier_register+0x200/0x200
[  310.918537]  ? __switch_to_asm+0x34/0x70
[  310.922602]  ? __switch_to_asm+0x34/0x70
[  310.926663]  ? __switch_to_asm+0x40/0x70
[  310.930731]  ? __switch_to_asm+0x34/0x70
[  310.934791]  ? __switch_to_asm+0x40/0x70
[  310.938850]  ? __switch_to_asm+0x34/0x70
[  310.942915]  ? __switch_to_asm+0x40/0x70
[  310.946976]  ? __switch_to_asm+0x34/0x70
[  310.951046]  ? __switch_to_asm+0x34/0x70
[  310.955106]  ? __switch_to_asm+0x40/0x70
[  310.959170]  ? __switch_to_asm+0x34/0x70
[  310.963254]  bpf_clone_redirect+0xb9/0x490
[  310.967501]  ? __schedule+0x874/0x1ed0
[  310.971431]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  310.976456]  ? __sched_text_start+0x8/0x8
[  310.980618]  ? lockdep_hardirqs_on+0x421/0x5c0
[  310.985214]  ? retint_kernel+0x2d/0x2d
[  310.989107]  ? trace_hardirqs_on_caller+0xc0/0x300
[  310.994047]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  310.998809]  ? find_held_lock+0x36/0x1c0
[  311.002878]  ? lock_acquire+0x1ed/0x520
[  311.006890]  ? bpf_test_run+0x32e/0x5a0
[  311.010870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.016429]  ? check_preemption_disabled+0x48/0x200
[  311.021466]  ? kasan_check_read+0x11/0x20
[  311.025627]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  311.030909]  ? rcu_bh_qs+0xc0/0xc0
[  311.034451]  ? preempt_schedule+0x4d/0x60
[  311.038600]  ? ___preempt_schedule+0x16/0x18
[  311.043027]  ? bpf_test_run+0x1c0/0x5a0
[  311.047012]  ? netlink_diag_dump+0x2a0/0x2a0
[  311.051434]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.056970]  ? bpf_test_init.isra.9+0x70/0x100
[  311.061558]  ? bpf_prog_test_run_skb+0x634/0xb40
[  311.066327]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  311.071169]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  311.076711]  ? fput+0x130/0x1a0
[  311.079997]  ? __bpf_prog_get+0x9b/0x290
[  311.084065]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  311.088905]  ? bpf_prog_test_run+0x130/0x1a0
[  311.093318]  ? __x64_sys_bpf+0x3d8/0x510
[  311.097424]  ? bpf_prog_get+0x20/0x20
[  311.101233]  ? ksys_ioctl+0x81/0xd0
[  311.104874]  ? do_syscall_64+0x1b9/0x820
[  311.108936]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  311.114315]  ? syscall_return_slowpath+0x5e0/0x5e0
[  311.119260]  ? trace_hardirqs_off+0x300/0x300
[  311.123761]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  311.128789]  ? recalc_sigpending_tsk+0x180/0x180
[  311.133550]  ? kasan_check_write+0x14/0x20
[  311.137797]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.142680]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  311.148086] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  311.148191] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  311.155061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  311.155070] Call Trace:
[  311.161674] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  311.170898]  <IRQ>
[  311.173469] syz-executor4 cpuset=
[  311.183983]  dump_stack+0x1c4/0x2b4
[  311.186110] syz4
[  311.189557]  ? dump_stack_print_info.cold.2+0x52/0x52
[  311.193163]  mems_allowed=0
[  311.195161]  warn_alloc.cold.118+0xb7/0x1bd
[  311.207597]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  311.212445]  ? lock_downgrade+0x900/0x900
[  311.216604]  ? trace_hardirqs_off+0xb8/0x300
[  311.221020]  ? trace_hardirqs_off+0xb8/0x300
[  311.225451]  __alloc_pages_slowpath+0x2667/0x2d80
[  311.230354]  ? warn_alloc+0x120/0x120
[  311.234161]  ? warn_alloc+0x120/0x120
[  311.237968]  ? print_usage_bug+0xc0/0xc0
[  311.242033]  ? warn_alloc+0x120/0x120
[  311.245838]  ? print_usage_bug+0xc0/0xc0
[  311.249918]  ? __lock_acquire+0x7ec/0x4ec0
[  311.254155]  ? __lock_acquire+0x7ec/0x4ec0
[  311.258401]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.263943]  ? should_fail+0x22d/0xd01
[  311.267839]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.272945]  ? __lock_acquire+0x7ec/0x4ec0
[  311.277190]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.282309]  ? __lock_acquire+0x7ec/0x4ec0
[  311.286543]  ? should_fail+0x22d/0xd01
[  311.290445]  ? mark_held_locks+0x130/0x130
[  311.294695]  ? mark_held_locks+0x130/0x130
[  311.298932]  ? graph_lock+0x170/0x170
[  311.302743]  ? graph_lock+0x170/0x170
[  311.306545]  ? graph_lock+0x170/0x170
[  311.310356]  ? print_usage_bug+0xc0/0xc0
[  311.314418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.319960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.325503]  ? check_preemption_disabled+0x48/0x200
[  311.330523]  ? check_preemption_disabled+0x48/0x200
[  311.335577]  ? __lock_is_held+0xb5/0x140
[  311.339650]  __alloc_pages_nodemask+0xa80/0xde0
[  311.344334]  ? graph_lock+0x170/0x170
[  311.348138]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  311.353179]  ? graph_lock+0x170/0x170
[  311.357004]  ? find_held_lock+0x36/0x1c0
[  311.361088]  ? ____cache_alloc_node+0x1c7/0x1e0
[  311.365779]  ? lock_downgrade+0x900/0x900
[  311.369950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.375495]  cache_grow_begin+0x91/0x8c0
[  311.379561]  ? do_raw_spin_unlock+0xa7/0x2f0
[  311.383980]  fallback_alloc+0x203/0x2e0
[  311.387961]  ____cache_alloc_node+0x1c7/0x1e0
[  311.392462]  kmem_cache_alloc_node+0xe3/0x730
[  311.396964]  ? ipv6_get_ifaddr+0x42e/0x620
[  311.401216]  __alloc_skb+0x119/0x770
[  311.404934]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  311.410225]  ? skb_scrub_packet+0x490/0x490
[  311.414838]  ? lock_downgrade+0x900/0x900
[  311.419000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.424546]  ? refcount_sub_and_test_checked+0x203/0x310
[  311.430007]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  311.435488]  ? addrconf_rs_timer+0x6f0/0x6f0
[  311.439936]  ndisc_alloc_skb+0x144/0x340
[  311.444012]  ndisc_send_rs+0x331/0x6e0
[  311.447905]  addrconf_rs_timer+0x3c0/0x6f0
[  311.452151]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.456409]  call_timer_fn+0x272/0x920
[  311.460304]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.464547]  ? process_timeout+0x40/0x40
[  311.468609]  ? find_held_lock+0x36/0x1c0
[  311.472682]  ? mark_held_locks+0xc7/0x130
[  311.476839]  ? _raw_spin_unlock_irq+0x27/0x80
[  311.481332]  ? _raw_spin_unlock_irq+0x27/0x80
[  311.485829]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.490067]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  311.494657]  ? trace_hardirqs_on+0xbd/0x310
[  311.498980]  ? kasan_check_read+0x11/0x20
[  311.503135]  ? __run_timers+0x7da/0xc70
[  311.507127]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  311.512588]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.516832]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.521071]  __run_timers+0x7e5/0xc70
[  311.524891]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  311.530260]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  311.535284]  ? graph_lock+0x170/0x170
[  311.539092]  ? print_usage_bug+0xc0/0xc0
[  311.543150]  ? lock_release+0x970/0x970
[  311.547154]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  311.552371]  ? find_held_lock+0x36/0x1c0
[  311.556460]  ? graph_lock+0x170/0x170
[  311.560272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.565817]  ? check_preemption_disabled+0x48/0x200
[  311.570849]  ? __lock_is_held+0xb5/0x140
[  311.574913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.580457]  ? check_preemption_disabled+0x48/0x200
[  311.585485]  run_timer_softirq+0x52/0xb0
[  311.589558]  ? rcu_read_lock_sched_held+0x108/0x120
[  311.594580]  __do_softirq+0x30b/0xad8
[  311.598396]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  311.603522]  ? pvclock_read_flags+0x160/0x160
[  311.608020]  ? lapic_next_event+0x5a/0x90
[  311.612172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.617727]  ? check_preemption_disabled+0x48/0x200
[  311.622746]  ? check_preemption_disabled+0x48/0x200
[  311.627779]  ? kvm_clock_read+0x18/0x30
[  311.631769]  ? kvm_sched_clock_read+0x9/0x20
[  311.636188]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.641728]  ? check_preemption_disabled+0x48/0x200
[  311.646770]  irq_exit+0x17f/0x1c0
[  311.650233]  smp_apic_timer_interrupt+0x1cb/0x760
[  311.655082]  ? smp_reschedule_interrupt+0x109/0x650
[  311.660102]  ? smp_call_function_single_interrupt+0x650/0x650
[  311.666016]  ? interrupt_entry+0xb5/0xf0
[  311.670095]  ? trace_hardirqs_off_caller+0xbb/0x300
[  311.675112]  ? trace_hardirqs_off_caller+0xbb/0x300
[  311.680131]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.684974]  ? trace_hardirqs_off+0x300/0x300
[  311.689469]  ? trace_hardirqs_off+0x300/0x300
[  311.693968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.699534]  ? check_preemption_disabled+0x48/0x200
[  311.704574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.710125]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  311.714982]  apic_timer_interrupt+0xf/0x20
[  311.719210]  </IRQ>
[  311.721449] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  311.726729] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  311.745643] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  311.753360] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  311.760629] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  311.767900] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  311.775170] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  311.782446] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  311.789746]  ? arch_local_irq_restore+0x45/0x52
[  311.794430]  dump_stack+0x26a/0x2b4
[  311.798065]  ? dump_stack_print_info.cold.2+0x52/0x52
[  311.803262]  ? mark_held_locks+0x130/0x130
[  311.807497]  ? mark_held_locks+0x130/0x130
[  311.811739]  dump_header+0x27b/0xf72
[  311.815472]  ? pagefault_out_of_memory+0x197/0x197
[  311.820408]  ? mark_held_locks+0x130/0x130
[  311.824646]  ? __lock_acquire+0x7ec/0x4ec0
[  311.828916]  ? mem_cgroup_charge_statistics+0x780/0x780
[  311.834283]  ? print_usage_bug+0xc0/0xc0
[  311.838345]  ? print_usage_bug+0xc0/0xc0
[  311.842945]  ? graph_lock+0x170/0x170
[  311.846756]  ? graph_lock+0x170/0x170
[  311.850562]  ? print_usage_bug+0xc0/0xc0
[  311.854623]  ? print_usage_bug+0xc0/0xc0
[  311.858702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.864253]  ? find_held_lock+0x36/0x1c0
[  311.868326]  ? mark_held_locks+0xc7/0x130
[  311.872490]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  311.877603]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  311.883344]  ? lockdep_hardirqs_on+0x421/0x5c0
[  311.887937]  ? trace_hardirqs_on+0xbd/0x310
[  311.892270]  ? kasan_check_read+0x11/0x20
[  311.896429]  ? ___ratelimit+0x36f/0x655
[  311.900414]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  311.905874]  ? trace_hardirqs_on+0x310/0x310
[  311.910294]  ? lock_downgrade+0x900/0x900
[  311.914458]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  311.919571]  ? ___ratelimit+0xaa/0x655
[  311.923465]  ? idr_get_free+0xec0/0xec0
[  311.927446]  ? kasan_check_write+0x14/0x20
[  311.931684]  ? do_raw_spin_lock+0xc1/0x200
[  311.935932]  oom_kill_process.cold.27+0x10/0x903
[  311.940697]  ? graph_lock+0x170/0x170
[  311.944682]  ? _raw_spin_unlock+0x2c/0x50
[  311.948842]  ? oom_badness+0xe6/0xaa0
[  311.952657]  ? oom_evaluate_task+0x540/0x540
[  311.957078]  ? find_held_lock+0x36/0x1c0
[  311.961152]  ? out_of_memory+0x974/0x14c0
[  311.965314]  ? lock_downgrade+0x900/0x900
[  311.969465]  ? check_preemption_disabled+0x48/0x200
[  311.974491]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  311.980311]  ? kasan_check_read+0x11/0x20
[  311.984464]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  311.989745]  ? rcu_bh_qs+0xc0/0xc0
[  311.993302]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  311.998325]  ? oom_evaluate_task+0x302/0x540
[  312.002751]  out_of_memory+0xa86/0x14c0
[  312.006741]  ? oom_killer_disable+0x3a0/0x3a0
[  312.011241]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  312.016194]  ? __mutex_add_waiter+0x2a0/0x2a0
[  312.020710]  __alloc_pages_slowpath+0x2318/0x2d80
[  312.025592]  ? warn_alloc+0x120/0x120
[  312.029398]  ? __radix_tree_lookup+0x4c0/0x4c0
[  312.034025]  ? find_get_entry+0x2f2/0xc40
[  312.038238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.043777]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  312.048719]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.054265]  ? should_fail+0x22d/0xd01
[  312.058172]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.063286]  ? __lock_is_held+0xb5/0x140
[  312.067380]  ? __lock_is_held+0xb5/0x140
[  312.071472]  ? find_held_lock+0x36/0x1c0
[  312.075545]  ? ___might_sleep+0x1ed/0x300
[  312.079688]  ? lock_release+0x970/0x970
[  312.083664]  ? arch_local_save_flags+0x40/0x40
[  312.088260]  ? __might_sleep+0x95/0x190
[  312.092242]  __alloc_pages_nodemask+0xa80/0xde0
[  312.096921]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  312.101947]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  312.107756]  ? kasan_check_read+0x11/0x20
[  312.111922]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  312.117234]  ? graph_lock+0x170/0x170
[  312.121046]  ? print_usage_bug+0xc0/0xc0
[  312.125122]  ? graph_lock+0x170/0x170
[  312.128928]  ? graph_lock+0x170/0x170
[  312.132738]  ? __do_page_cache_readahead+0x7ce/0x980
[  312.137856]  ? find_held_lock+0x36/0x1c0
[  312.141926]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  312.147475]  alloc_pages_current+0x10c/0x210
[  312.151886]  ? lock_downgrade+0x900/0x900
[  312.156043]  __page_cache_alloc+0x38f/0x5b0
[  312.160368]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  312.166186]  ? kasan_check_read+0x11/0x20
[  312.170340]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  312.175622]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  312.180297]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.185844]  ? check_preemption_disabled+0x48/0x200
[  312.190871]  filemap_fault+0x1594/0x25f0
[  312.194948]  ? __lock_page_or_retry+0xa00/0xa00
[  312.199623]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  312.205433]  ? kasan_check_read+0x11/0x20
[  312.209601]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  312.214880]  ? rcu_bh_qs+0xc0/0xc0
[  312.218431]  ? print_usage_bug+0xc0/0xc0
[  312.222506]  ? filemap_map_pages+0xdea/0x1980
[  312.227010]  ? print_usage_bug+0xc0/0xc0
[  312.231087]  ? find_get_pages_range_tag+0x1320/0x1320
[  312.236281]  ? print_usage_bug+0xc0/0xc0
[  312.240345]  ? __lock_acquire+0x7ec/0x4ec0
[  312.244581]  ? graph_lock+0x170/0x170
[  312.248387]  ? __sigqueue_free.part.27+0x7d/0xa0
[  312.253161]  ? __lock_acquire+0x7ec/0x4ec0
[  312.257422]  ? lock_acquire+0x1ed/0x520
[  312.261410]  ? ext4_filemap_fault+0x7a/0xad
[  312.265743]  ? lock_release+0x970/0x970
[  312.269719]  ? arch_local_save_flags+0x40/0x40
[  312.274308]  ? mark_held_locks+0x130/0x130
[  312.278562]  ? down_read+0xb0/0x1d0
[  312.282195]  ? ext4_filemap_fault+0x7a/0xad
[  312.286523]  ? __down_interruptible+0x700/0x700
[  312.291207]  ? graph_lock+0x170/0x170
[  312.295010]  ? __sigqueue_free.part.27+0x7d/0xa0
[  312.299786]  ext4_filemap_fault+0x82/0xad
[  312.303960]  __do_fault+0x100/0x6b0
[  312.307591]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  312.312875]  ? print_bad_pte+0x6c0/0x6c0
[  312.316943]  ? pmd_val+0x88/0x100
[  312.320405]  ? add_mm_counter_fast+0xd0/0xd0
[  312.324815]  ? pmd_val+0x88/0x100
[  312.328272]  ? add_mm_counter_fast+0xd0/0xd0
[  312.332686]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.338232]  __handle_mm_fault+0x3709/0x53e0
[  312.342652]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  312.347500]  ? graph_lock+0x170/0x170
[  312.351300]  ? print_usage_bug+0xc0/0xc0
[  312.355373]  ? graph_lock+0x170/0x170
[  312.359204]  ? graph_lock+0x170/0x170
[  312.363021]  ? handle_mm_fault+0x42a/0xc70
[  312.367259]  ? lock_downgrade+0x900/0x900
[  312.371424]  ? check_preemption_disabled+0x48/0x200
[  312.376460]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  312.382274]  ? kasan_check_read+0x11/0x20
[  312.386440]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  312.391720]  ? rcu_bh_qs+0xc0/0xc0
[  312.395262]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  312.400716]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.406258]  ? check_preemption_disabled+0x48/0x200
[  312.411301]  handle_mm_fault+0x54f/0xc70
[  312.415370]  ? __handle_mm_fault+0x53e0/0x53e0
[  312.419968]  ? find_vma+0x34/0x190
[  312.423520]  __do_page_fault+0x67d/0xed0
[  312.427594]  ? mm_fault_error+0x380/0x380
[  312.431753]  ? syscall_slow_exit_work+0x520/0x520
[  312.436606]  do_page_fault+0xf2/0x7e0
[  312.440414]  ? vmalloc_sync_all+0x30/0x30
[  312.444583]  ? error_entry+0x70/0xd0
[  312.448328]  ? trace_hardirqs_off_caller+0xbb/0x300
[  312.453341]  ? trace_hardirqs_on_caller+0xc0/0x300
[  312.458286]  ? syscall_return_slowpath+0x5e0/0x5e0
[  312.463219]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.468081]  ? trace_hardirqs_off+0x300/0x300
[  312.472588]  ? trace_hardirqs_off_caller+0x300/0x300
[  312.477706]  ? prepare_exit_to_usermode+0x291/0x3b0
[  312.482732]  ? page_fault+0x8/0x30
[  312.486280]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  312.491144]  ? page_fault+0x8/0x30
[  312.494698]  page_fault+0x1e/0x30
[  312.498153] RIP: 0033:0x45db60
[  312.501355] Code: Bad RIP value.
[  312.504731] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  312.510107] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  312.517373] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  312.524651] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  312.531923] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  312.539198] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  312.546495] warn_alloc_show_mem: 1 callbacks suppressed
[  312.546508] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  312.546510] Mem-Info:
[  312.546542] active_anon:41581 inactive_anon:372 isolated_anon:0
[  312.546542]  active_file:17 inactive_file:16 isolated_file:0
[  312.546542]  unevictable:0 dirty:0 writeback:0 unstable:0
[  312.546542]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  312.546542]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  312.546542]  free:13699 free_pcp:281 free_cma:0
[  312.551890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  312.559090] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  312.561490] Call Trace:
[  312.594378] Node 0 
[  312.603737]  <IRQ>
[  312.631351] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  312.633921]  dump_stack+0x1c4/0x2b4
[  312.636126] lowmem_reserve[]: 0
[  312.638287]  ? dump_stack_print_info.cold.2+0x52/0x52
[  312.663773]  2817 6321
[  312.667448]  warn_alloc.cold.118+0xb7/0x1bd
[  312.670677]  6321
[  312.675885]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  312.678358] Node 0 
[  312.682696]  ? lock_downgrade+0x900/0x900
[  312.684780] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  312.689597]  ? trace_hardirqs_off+0xb8/0x300
[  312.691807] lowmem_reserve[]:
[  312.695951]  ? trace_hardirqs_off+0xb8/0x300
[  312.722908]  0 0
[  312.727342]  __alloc_pages_slowpath+0x2667/0x2d80
[  312.730422]  3503
[  312.735413]  ? warn_alloc+0x120/0x120
[  312.737332]  3503
[  312.742177]  ? trace_hardirqs_on+0x310/0x310
[  312.748027]  ? warn_alloc+0x120/0x120
[  312.750074] Node 0 
[  312.754480]  ? print_usage_bug+0xc0/0xc0
[  312.758284] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  312.760496]  ? warn_alloc+0x120/0x120
[  312.764526] lowmem_reserve[]: 0
[  312.792922]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  312.792943]  ? print_usage_bug+0xc0/0xc0
[  312.796742]  0
[  312.800025]  ? __lock_acquire+0x7ec/0x4ec0
[  312.805008]  0 0
[  312.809080]  ? __lock_acquire+0x7ec/0x4ec0
[  312.810858] Node 0 
[  312.815097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  312.817037] DMA: 1*4kB 
[  312.821284]  ? should_fail+0x22d/0xd01
[  312.823499] (U) 
[  312.829038]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.831601] 0*8kB 
[  312.835511]  ? __lock_acquire+0x7ec/0x4ec0
[  312.837471] 0*16kB 
[  312.842581]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  312.844695] 1*32kB (U) 
[  312.848942]  ? __lock_acquire+0x7ec/0x4ec0
[  312.851156] 2*64kB 
[  312.856254]  ? should_fail+0x22d/0xd01
[  312.856272]  ? print_usage_bug+0xc0/0xc0
[  312.858841] (U) 
[  312.863084]  ? mark_held_locks+0x130/0x130
[  312.865303] 1*128kB (U) 
[  312.869203]  ? mark_held_locks+0x130/0x130
[  312.873241] 1*256kB 
[  312.875219]  ? graph_lock+0x170/0x170
[  312.879435] (U) 
[  312.882106]  ? print_usage_bug+0xc0/0xc0
[  312.886316] 0*512kB 1*1024kB 
[  312.888669]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  312.892439] (U) 1*2048kB 
[  312.894434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.898462] (M) 3*4096kB 
[  312.901590]  ? check_preemption_disabled+0x48/0x200
[  312.906310] (M) = 15908kB
[  312.909078]  ? check_preemption_disabled+0x48/0x200
[  312.914597] Node 0 
[  312.917361]  ? __lock_is_held+0xb5/0x140
[  312.922338] DMA32: 2*4kB 
[  312.925107]  __alloc_pages_nodemask+0xa80/0xde0
[  312.930097] (M) 
[  312.932333]  ? graph_lock+0x170/0x170
[  312.936372] 1*8kB 
[  312.939149]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  312.943794] (U) 
[  312.945771]  ? graph_lock+0x170/0x170
[  312.949552] 3*16kB (M) 
[  312.951740]  ? find_held_lock+0x36/0x1c0
[  312.956727] 1*32kB (M) 
[  312.958729]  ? ____cache_alloc_node+0x1c7/0x1e0
[  312.962494] 3*64kB 
[  312.965079]  ? lock_downgrade+0x900/0x900
[  312.969109] (UM) 3*128kB 
[  312.971721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  312.976352] (M) 3*256kB 
[  312.978610]  cache_grow_begin+0x91/0x8c0
[  312.982728] (UM) 
[  312.985490]  ? do_raw_spin_unlock+0xa7/0x2f0
[  312.990999] 4*512kB 
[  312.993674]  fallback_alloc+0x203/0x2e0
[  312.997706] (UM) 
[  312.999771]  ____cache_alloc_node+0x1c7/0x1e0
[  313.004147] 3*1024kB (M) 
[  313.006485]  kmem_cache_alloc_node+0xe3/0x730
[  313.010436] 1*2048kB 
[  313.012506]  ? ipv6_get_ifaddr+0x42e/0x620
[  313.016977] (U) 
[  313.019744]  __alloc_skb+0x119/0x770
[  313.024205] 4*4096kB (M) 
[  313.026634]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  313.030843] = 24992kB
[  313.032822]  ? skb_scrub_packet+0x490/0x490
[  313.036511] Node 0 
[  313.039271]  ? lock_downgrade+0x900/0x900
[  313.044514] Normal: 882*4kB 
[  313.046938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.051231] (UME) 
[  313.053473]  ? refcount_sub_and_test_checked+0x203/0x310
[  313.057588] 426*8kB (MEH) 
[  313.060618]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  313.066124] 175*16kB (UME) 
[  313.068289]  ? addrconf_rs_timer+0x6f0/0x6f0
[  313.073714] 71*32kB 
[  313.076587]  ndisc_alloc_skb+0x144/0x340
[  313.082004] (UMEH) 
[  313.084936]  ndisc_send_rs+0x331/0x6e0
[  313.089315] 10*64kB (UMH) 
[  313.091653]  addrconf_rs_timer+0x3c0/0x6f0
[  313.095683] 2*128kB (H) 
[  313.097946]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.101810] 0*256kB 
[  313.104661]  call_timer_fn+0x272/0x920
[  313.108867] 2*512kB 
[  313.111537]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.115742] (UH) 0*1024kB 
[  313.118079]  ? process_timeout+0x40/0x40
[  313.121940] 0*2048kB 0*4096kB 
[  313.124292]  ? find_held_lock+0x36/0x1c0
[  313.128495] = 13928kB
[  313.128511] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  313.131358]  ? __run_timers+0x7da/0xc70
[  313.135407] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  313.138592]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.142627] 412 total pagecache pages
[  313.145037]  ? _raw_spin_unlock_irq+0x27/0x80
[  313.153868] 0 pages in swap cache
[  313.157888]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.166439] Swap cache stats: add 0, delete 0, find 0/0
[  313.166450] Free swap  = 0kB
[  313.170950]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  313.174733] Total swap = 0kB
[  313.179229]  ? trace_hardirqs_on+0xbd/0x310
[  313.182653] 1965979 pages RAM
[  313.186895]  ? kasan_check_read+0x11/0x20
[  313.192236] 0 pages HighMem/MovableOnly
[  313.192248] 342744 pages reserved
[  313.195280]  ? __run_timers+0x7da/0xc70
[  313.199844] 0 pages cma reserved
[  313.202876]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  313.207254] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  313.210281]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.214497] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  313.218404]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  313.221838] syz-fuzzer cpuset=
[  313.225812]  __run_timers+0x7e5/0xc70
[  313.229155] /
[  313.234618]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  313.241090]  mems_allowed=0
[  313.276726]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  313.281766]  ? graph_lock+0x170/0x170
[  313.285582]  ? enqueue_hrtimer+0x1a5/0x560
[  313.289829]  ? lock_release+0x970/0x970
[  313.293810]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  313.299016]  ? find_held_lock+0x36/0x1c0
[  313.303090]  ? graph_lock+0x170/0x170
[  313.306903]  ? pvclock_read_flags+0x160/0x160
[  313.311412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.316960]  ? check_preemption_disabled+0x48/0x200
[  313.321993]  ? __lock_is_held+0xb5/0x140
[  313.326060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.331604]  ? check_preemption_disabled+0x48/0x200
[  313.336636]  run_timer_softirq+0x52/0xb0
[  313.340707]  ? rcu_read_lock_sched_held+0x108/0x120
[  313.345734]  __do_softirq+0x30b/0xad8
[  313.349553]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  313.354667]  ? pvclock_read_flags+0x160/0x160
[  313.359169]  ? lapic_next_event+0x5a/0x90
[  313.363320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.368868]  ? check_preemption_disabled+0x48/0x200
[  313.373885]  ? check_preemption_disabled+0x48/0x200
[  313.378942]  ? kvm_clock_read+0x18/0x30
[  313.382918]  ? kvm_sched_clock_read+0x9/0x20
[  313.387343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.392882]  ? check_preemption_disabled+0x48/0x200
[  313.397913]  irq_exit+0x17f/0x1c0
[  313.401371]  smp_apic_timer_interrupt+0x1cb/0x760
[  313.406219]  ? smp_reschedule_interrupt+0x109/0x650
[  313.411251]  ? smp_call_function_single_interrupt+0x650/0x650
[  313.417161]  ? interrupt_entry+0xb5/0xf0
[  313.421234]  ? trace_hardirqs_off_caller+0xbb/0x300
[  313.426272]  ? trace_hardirqs_off_caller+0xbb/0x300
[  313.431292]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.436177]  ? trace_hardirqs_off+0x300/0x300
[  313.440698]  ? trace_hardirqs_off+0x300/0x300
[  313.445197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.450752]  ? check_preemption_disabled+0x48/0x200
[  313.455766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.461333]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.466204]  apic_timer_interrupt+0xf/0x20
[  313.470434]  </IRQ>
[  313.472678] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  313.477627] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  313.496549] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  313.504285] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  313.511563] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  313.518852] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  313.526133] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  313.533417] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  313.540760]  skb_clone+0x1bb/0x500
[  313.544307]  ? finish_task_switch+0x2f5/0x900
[  313.548807]  ? skb_split+0x11e0/0x11e0
[  313.552710]  ? preempt_notifier_register+0x200/0x200
[  313.557814]  ? __switch_to_asm+0x34/0x70
[  313.561879]  ? __switch_to_asm+0x34/0x70
[  313.565945]  ? __switch_to_asm+0x40/0x70
[  313.570008]  ? __switch_to_asm+0x34/0x70
[  313.574071]  ? __switch_to_asm+0x40/0x70
[  313.578129]  ? __switch_to_asm+0x34/0x70
[  313.582188]  ? __switch_to_asm+0x40/0x70
[  313.586250]  ? __switch_to_asm+0x34/0x70
[  313.590317]  ? __switch_to_asm+0x34/0x70
[  313.594377]  ? __switch_to_asm+0x40/0x70
[  313.598459]  ? __switch_to_asm+0x34/0x70
[  313.602568]  bpf_clone_redirect+0xb9/0x490
[  313.606828]  ? __schedule+0x874/0x1ed0
[  313.610736]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  313.615768]  ? __sched_text_start+0x8/0x8
[  313.619925]  ? lockdep_hardirqs_on+0x421/0x5c0
[  313.624520]  ? retint_kernel+0x2d/0x2d
[  313.628421]  ? trace_hardirqs_on_caller+0xc0/0x300
[  313.633353]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  313.638116]  ? find_held_lock+0x36/0x1c0
[  313.642186]  ? lock_acquire+0x1ed/0x520
[  313.646161]  ? bpf_test_run+0x32e/0x5a0
[  313.650139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.655687]  ? check_preemption_disabled+0x48/0x200
[  313.660733]  ? kasan_check_read+0x11/0x20
[  313.664897]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  313.670204]  ? rcu_bh_qs+0xc0/0xc0
[  313.673753]  ? preempt_schedule+0x4d/0x60
[  313.677909]  ? ___preempt_schedule+0x16/0x18
[  313.682330]  ? bpf_test_run+0x1c0/0x5a0
[  313.686318]  ? netlink_diag_dump+0x2a0/0x2a0
[  313.690734]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.696270]  ? bpf_test_init.isra.9+0x70/0x100
[  313.700864]  ? bpf_prog_test_run_skb+0x634/0xb40
[  313.705629]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  313.710474]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  313.716017]  ? fput+0x130/0x1a0
[  313.719303]  ? __bpf_prog_get+0x9b/0x290
[  313.723381]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  313.728241]  ? bpf_prog_test_run+0x130/0x1a0
[  313.732670]  ? __x64_sys_bpf+0x3d8/0x510
[  313.736753]  ? bpf_prog_get+0x20/0x20
[  313.740578]  ? ksys_ioctl+0x81/0xd0
[  313.744239]  ? do_syscall_64+0x1b9/0x820
[  313.748319]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  313.753706]  ? syscall_return_slowpath+0x5e0/0x5e0
[  313.758663]  ? trace_hardirqs_off+0x300/0x300
[  313.763170]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  313.768195]  ? recalc_sigpending_tsk+0x180/0x180
[  313.772979]  ? kasan_check_write+0x14/0x20
[  313.777233]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  313.782108]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  313.787518] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  313.787554] rcu: INFO: rcu_preempt self-detected stall on CPU
[  313.794468] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  313.794478] Call Trace:
[  313.809714]  <IRQ>
[  313.812702] rcu: 	0-...!: (94 ticks this GP) idle=efa/1/0x4000000000000004 softirq=11535/11535 fqs=1 
[  313.814439]  dump_stack+0x1c4/0x2b4
[  313.814456]  ? dump_stack_print_info.cold.2+0x52/0x52
[  313.814485]  warn_alloc.cold.118+0xb7/0x1bd
[  313.814501]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  313.814519]  ? lock_downgrade+0x900/0x900
[  313.814544]  ? trace_hardirqs_off+0xb8/0x300
[  313.814564]  ? trace_hardirqs_off+0xb8/0x300
[  313.814585]  __alloc_pages_slowpath+0x2667/0x2d80
[  313.814628]  ? warn_alloc+0x120/0x120
[  313.824370] rcu: 	
[  313.828010]  ? warn_alloc+0x120/0x120
[  313.833177]  (t=10526 jiffies g=12849 q=1)
[  313.837500]  ? print_usage_bug+0xc0/0xc0
[  313.842528] rcu: rcu_preempt kthread starved for 10463 jiffies! g12849 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  313.846664]  ? warn_alloc+0x120/0x120
[  313.851056] rcu: RCU grace-period kthread stack dump:
[  313.855462]  ? print_usage_bug+0xc0/0xc0
[  313.860285] rcu_preempt     R
[  313.864085]  ? __lock_acquire+0x7ec/0x4ec0
[  313.866210]   running task    
[  313.870009]  ? __lock_acquire+0x7ec/0x4ec0
[  313.874231] 23064    10      2 0x80000000
[  313.878285]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  313.888745] Call Trace:
[  313.892547]  ? should_fail+0x22d/0xd01
[  313.897726]  __schedule+0x86c/0x1ed0
[  313.901771]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.904869]  ? __sched_text_start+0x8/0x8
[  313.909097]  ? __lock_acquire+0x7ec/0x4ec0
[  313.912279]  ? __mod_timer+0x6f6/0x1870
[  313.916501]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  313.920642]  ? add_timer_on+0x9f0/0x9f0
[  313.926160]  ? __lock_acquire+0x7ec/0x4ec0
[  313.928735]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  313.932606]  ? should_fail+0x22d/0xd01
[  313.936308]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  313.941409]  ? mark_held_locks+0x130/0x130
[  313.945540]  ? trace_hardirqs_on+0xbd/0x310
[  313.949767]  ? mark_held_locks+0x130/0x130
[  313.953733]  ? kasan_check_read+0x11/0x20
[  313.958817]  ? graph_lock+0x170/0x170
[  313.962784]  ? prepare_to_swait_event+0x25a/0x800
[  313.967003]  ? graph_lock+0x170/0x170
[  313.972120]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  313.976002]  ? graph_lock+0x170/0x170
[  313.981103]  schedule+0xfe/0x460
[  313.985319]  ? print_usage_bug+0xc0/0xc0
[  313.989628]  ? __schedule+0x1ed0/0x1ed0
[  313.993861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  313.997998]  ? prepare_to_swait_event+0x25a/0x800
[  314.001785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.006619]  ? __init_swait_queue_head+0x150/0x150
[  314.010409]  ? check_preemption_disabled+0x48/0x200
[  314.015846]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  314.019633]  ? check_preemption_disabled+0x48/0x200
[  314.022986]  ? __lockdep_init_map+0x105/0x590
[  314.027039]  ? __lock_is_held+0xb5/0x140
[  314.030999]  ? lockdep_init_map+0x9/0x10
[  314.036531]  __alloc_pages_nodemask+0xa80/0xde0
[  314.041371]  schedule_timeout+0x140/0x260
[  314.046928]  ? graph_lock+0x170/0x170
[  314.051843]  ? usleep_range+0x1a0/0x1a0
[  314.056852]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  314.061943]  ? __next_timer_interrupt+0x1a0/0x1a0
[  314.066944]  ? graph_lock+0x170/0x170
[  314.071428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.075481]  ? find_held_lock+0x36/0x1c0
[  314.079528]  rcu_gp_kthread+0x9d9/0x2310
[  314.084196]  ? ____cache_alloc_node+0x1c7/0x1e0
[  314.088336]  ? rcu_gp_init+0x1830/0x1830
[  314.092112]  ? lock_downgrade+0x900/0x900
[  314.096071]  ? update_curr+0x344/0xbe0
[  314.101094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.105916]  ? graph_lock+0x170/0x170
[  314.109706]  cache_grow_begin+0x91/0x8c0
[  314.115227]  ? __account_cfs_rq_runtime+0x790/0x790
[  314.119297]  ? do_raw_spin_unlock+0xa7/0x2f0
[  314.123341]  ? __lock_acquire+0x7ec/0x4ec0
[  314.128003]  fallback_alloc+0x203/0x2e0
[  314.132053]  ? graph_lock+0x170/0x170
[  314.136208]  ____cache_alloc_node+0x1c7/0x1e0
[  314.140106]  ? mark_held_locks+0x130/0x130
[  314.145626]  kmem_cache_alloc_node+0xe3/0x730
[  314.149420]  ? __lock_is_held+0xb5/0x140
[  314.153495]  ? ipv6_get_ifaddr+0x42e/0x620
[  314.158495]  ? __account_cfs_rq_runtime+0x790/0x790
[  314.162906]  __alloc_skb+0x119/0x770
[  314.167140]  ? set_next_entity+0x30c/0xc40
[  314.171102]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  314.174883]  ? mark_held_locks+0x130/0x130
[  314.179362]  ? skb_scrub_packet+0x490/0x490
[  314.183585]  ? rcu_read_lock_sched_held+0x108/0x120
[  314.188066]  ? lock_downgrade+0x900/0x900
[  314.192124]  ? select_task_rq_fair+0x34f0/0x34f0
[  314.196341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.201346]  ? __enqueue_entity+0x10d/0x1f0
[  314.205052]  ? refcount_sub_and_test_checked+0x203/0x310
[  314.209275]  ? graph_lock+0x170/0x170
[  314.214535]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  314.218768]  ? lock_repin_lock+0x251/0x430
[  314.223079]  ? addrconf_rs_timer+0x6f0/0x6f0
[  314.228076]  ? graph_lock+0x170/0x170
[  314.232241]  ndisc_alloc_skb+0x144/0x340
[  314.236979]  ? put_prev_task_stop+0x300/0xa10
[  314.242518]  ndisc_send_rs+0x331/0x6e0
[  314.246829]  ? lock_repin_lock+0x250/0x430
[  314.252267]  addrconf_rs_timer+0x3c0/0x6f0
[  314.256051]  ? _raw_spin_unlock_irq+0x27/0x80
[  314.261498]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.265747]  ? _raw_spin_unlock_irq+0x27/0x80
[  314.270150]  call_timer_fn+0x272/0x920
[  314.273926]  ? lockdep_hardirqs_on+0x421/0x5c0
[  314.277975]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.282457]  ? trace_hardirqs_on+0xbd/0x310
[  314.286334]  ? process_timeout+0x40/0x40
[  314.290558]  ? kasan_check_read+0x11/0x20
[  314.294794]  ? find_held_lock+0x36/0x1c0
[  314.299278]  ? mark_held_locks+0x130/0x130
[  314.303501]  ? mark_held_locks+0xc7/0x130
[  314.307993]  ? audit_add_watch+0xae1/0xdc0
[  314.311868]  ? _raw_spin_unlock_irq+0x27/0x80
[  314.316444]  ? kasan_check_write+0x14/0x20
[  314.320680]  ? _raw_spin_unlock_irq+0x27/0x80
[  314.324998]  ? finish_task_switch+0x2f5/0x900
[  314.329049]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.333192]  ? __switch_to_asm+0x40/0x70
[  314.333211]  ? preempt_notifier_register+0x200/0x200
[  314.337262]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  314.341482]  ? __switch_to_asm+0x34/0x70
[  314.345618]  ? trace_hardirqs_on+0xbd/0x310
[  314.349869]  ? __switch_to_asm+0x34/0x70
[  314.354401]  ? kasan_check_read+0x11/0x20
[  314.358616]  ? __switch_to_asm+0x40/0x70
[  314.363102]  ? __run_timers+0x7da/0xc70
[  314.367579]  ? __switch_to_asm+0x40/0x70
[  314.371831]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  314.375884]  ? __switch_to_asm+0x34/0x70
[  314.375900]  ? __switch_to_asm+0x40/0x70
[  314.381014]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.385578]  ? __switch_to_asm+0x34/0x70
[  314.389628]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  314.393935]  ? __switch_to_asm+0x34/0x70
[  314.397994]  __run_timers+0x7e5/0xc70
[  314.402127]  ? __switch_to_asm+0x40/0x70
[  314.406192]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  314.410137]  ? __switch_to_asm+0x40/0x70
[  314.414196]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  314.419627]  ? __switch_to_asm+0x34/0x70
[  314.423679]  ? graph_lock+0x170/0x170
[  314.427731]  ? __switch_to_asm+0x40/0x70
[  314.431973]  ? print_usage_bug+0xc0/0xc0
[  314.436049]  ? __schedule+0x874/0x1ed0
[  314.440263]  ? lock_release+0x970/0x970
[  314.444308]  ? __switch_to_asm+0x40/0x70
[  314.448112]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  314.452157]  ? __switch_to_asm+0x40/0x70
[  314.457508]  ? find_held_lock+0x36/0x1c0
[  314.461556]  ? graph_lock+0x170/0x170
[  314.466559]  ? graph_lock+0x170/0x170
[  314.470614]  ? __sched_text_start+0x8/0x8
[  314.474416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.478480]  ? find_held_lock+0x36/0x1c0
[  314.482533]  ? check_preemption_disabled+0x48/0x200
[  314.486410]  ? __kthread_parkme+0xce/0x1a0
[  314.490374]  ? __lock_is_held+0xb5/0x140
[  314.494425]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  314.499622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.503672]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  314.507726]  ? check_preemption_disabled+0x48/0x200
[  314.511511]  ? lockdep_hardirqs_on+0x421/0x5c0
[  314.515323]  run_timer_softirq+0x52/0xb0
[  314.519457]  ? trace_hardirqs_on+0xbd/0x310
[  314.524980]  ? rcu_read_lock_sched_held+0x108/0x120
[  314.529026]  ? kasan_check_read+0x11/0x20
[  314.529044]  ? __kthread_parkme+0xce/0x1a0
[  314.534063]  __do_softirq+0x30b/0xad8
[  314.538284]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  314.542342]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  314.547464]  ? kasan_check_write+0x14/0x20
[  314.553002]  ? pvclock_read_flags+0x160/0x160
[  314.558114]  ? do_raw_spin_lock+0xc1/0x200
[  314.563114]  ? lapic_next_event+0x5a/0x90
[  314.567692]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  314.571742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.576061]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.581069]  ? check_preemption_disabled+0x48/0x200
[  314.585196]  ? __kthread_parkme+0xfb/0x1a0
[  314.585215]  kthread+0x35a/0x420
[  314.589456]  ? check_preemption_disabled+0x48/0x200
[  314.593246]  ? rcu_gp_init+0x1830/0x1830
[  314.598684]  ? kvm_clock_read+0x18/0x30
[  314.603828]  ? kthread_bind+0x40/0x40
[  314.608062]  ? kvm_sched_clock_read+0x9/0x20
[  314.612553]  ret_from_fork+0x3a/0x50
[  314.616772]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  314.620914] NMI backtrace for cpu 0
[  314.625992]  ? check_preemption_disabled+0x48/0x200
[  314.688650]  irq_exit+0x17f/0x1c0
[  314.692128]  smp_apic_timer_interrupt+0x1cb/0x760
[  314.696971]  ? smp_reschedule_interrupt+0x109/0x650
[  314.702008]  ? smp_call_function_single_interrupt+0x650/0x650
[  314.707895]  ? interrupt_entry+0xb5/0xf0
[  314.711967]  ? trace_hardirqs_off_caller+0xbb/0x300
[  314.716984]  ? trace_hardirqs_off_caller+0xbb/0x300
[  314.722002]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.726849]  ? trace_hardirqs_off+0x300/0x300
[  314.731343]  ? trace_hardirqs_off+0x300/0x300
[  314.736007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.741553]  ? check_preemption_disabled+0x48/0x200
[  314.746571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.752117]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  314.756973]  apic_timer_interrupt+0xf/0x20
[  314.761210]  </IRQ>
[  314.763473] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  314.768768] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  314.787671] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  314.795394] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  314.802662] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  314.809932] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  314.817204] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  314.824475] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  314.831776]  ? arch_local_irq_restore+0x45/0x52
[  314.836458]  dump_stack+0x26a/0x2b4
[  314.840099]  ? dump_stack_print_info.cold.2+0x52/0x52
[  314.845311]  ? mark_held_locks+0x130/0x130
[  314.849568]  ? mark_held_locks+0x130/0x130
[  314.853820]  dump_header+0x27b/0xf72
[  314.857549]  ? pagefault_out_of_memory+0x197/0x197
[  314.862511]  ? mark_held_locks+0x130/0x130
[  314.866746]  ? __lock_acquire+0x7ec/0x4ec0
[  314.870980]  ? mem_cgroup_charge_statistics+0x780/0x780
[  314.876341]  ? print_usage_bug+0xc0/0xc0
[  314.880408]  ? print_usage_bug+0xc0/0xc0
[  314.884475]  ? graph_lock+0x170/0x170
[  314.888274]  ? graph_lock+0x170/0x170
[  314.892101]  ? print_usage_bug+0xc0/0xc0
[  314.896164]  ? print_usage_bug+0xc0/0xc0
[  314.900242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  314.905784]  ? find_held_lock+0x36/0x1c0
[  314.909852]  ? mark_held_locks+0xc7/0x130
[  314.914007]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  314.919141]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  314.924243]  ? lockdep_hardirqs_on+0x421/0x5c0
[  314.928839]  ? trace_hardirqs_on+0xbd/0x310
[  314.933160]  ? kasan_check_read+0x11/0x20
[  314.937315]  ? ___ratelimit+0x36f/0x655
[  314.941316]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  314.946778]  ? trace_hardirqs_on+0x310/0x310
[  314.951199]  ? lock_downgrade+0x900/0x900
[  314.955359]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  314.960470]  ? ___ratelimit+0xaa/0x655
[  314.964371]  ? idr_get_free+0xec0/0xec0
[  314.968378]  ? kasan_check_write+0x14/0x20
[  314.972620]  ? do_raw_spin_lock+0xc1/0x200
[  314.976865]  oom_kill_process.cold.27+0x10/0x903
[  314.981624]  ? graph_lock+0x170/0x170
[  314.985423]  ? _raw_spin_unlock+0x2c/0x50
[  314.989571]  ? oom_badness+0xe6/0xaa0
[  314.993382]  ? oom_evaluate_task+0x540/0x540
[  314.997799]  ? find_held_lock+0x36/0x1c0
[  315.001868]  ? out_of_memory+0x974/0x14c0
[  315.006018]  ? lock_downgrade+0x900/0x900
[  315.010172]  ? check_preemption_disabled+0x48/0x200
[  315.015211]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  315.021014]  ? kasan_check_read+0x11/0x20
[  315.025165]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  315.030454]  ? rcu_bh_qs+0xc0/0xc0
[  315.034015]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  315.039041]  ? oom_evaluate_task+0x302/0x540
[  315.043456]  out_of_memory+0xa86/0x14c0
[  315.047447]  ? oom_killer_disable+0x3a0/0x3a0
[  315.051946]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  315.056882]  ? __mutex_add_waiter+0x2a0/0x2a0
[  315.061404]  __alloc_pages_slowpath+0x2318/0x2d80
[  315.066293]  ? warn_alloc+0x120/0x120
[  315.070094]  ? __radix_tree_lookup+0x4c0/0x4c0
[  315.074714]  ? find_get_entry+0x2f2/0xc40
[  315.078877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.084423]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  315.089363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.094909]  ? should_fail+0x22d/0xd01
[  315.098801]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  315.103914]  ? __lock_is_held+0xb5/0x140
[  315.108009]  ? __lock_is_held+0xb5/0x140
[  315.112079]  ? find_held_lock+0x36/0x1c0
[  315.116149]  ? ___might_sleep+0x1ed/0x300
[  315.120300]  ? lock_release+0x970/0x970
[  315.124280]  ? arch_local_save_flags+0x40/0x40
[  315.128878]  ? __might_sleep+0x95/0x190
[  315.132863]  __alloc_pages_nodemask+0xa80/0xde0
[  315.137547]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  315.142573]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  315.148377]  ? kasan_check_read+0x11/0x20
[  315.152528]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  315.157816]  ? graph_lock+0x170/0x170
[  315.161619]  ? print_usage_bug+0xc0/0xc0
[  315.165685]  ? graph_lock+0x170/0x170
[  315.169493]  ? graph_lock+0x170/0x170
[  315.173298]  ? __do_page_cache_readahead+0x7ce/0x980
[  315.178408]  ? find_held_lock+0x36/0x1c0
[  315.182477]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  315.188021]  alloc_pages_current+0x10c/0x210
[  315.192429]  ? lock_downgrade+0x900/0x900
[  315.196584]  __page_cache_alloc+0x38f/0x5b0
[  315.200909]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  315.206711]  ? kasan_check_read+0x11/0x20
[  315.210863]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  315.216157]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  315.220847]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.226390]  ? check_preemption_disabled+0x48/0x200
[  315.231432]  filemap_fault+0x1594/0x25f0
[  315.235531]  ? __lock_page_or_retry+0xa00/0xa00
[  315.240207]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  315.246006]  ? kasan_check_read+0x11/0x20
[  315.250184]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  315.255472]  ? rcu_bh_qs+0xc0/0xc0
[  315.259016]  ? print_usage_bug+0xc0/0xc0
[  315.263101]  ? filemap_map_pages+0xdea/0x1980
[  315.267621]  ? print_usage_bug+0xc0/0xc0
[  315.271691]  ? find_get_pages_range_tag+0x1320/0x1320
[  315.276881]  ? print_usage_bug+0xc0/0xc0
[  315.280943]  ? __lock_acquire+0x7ec/0x4ec0
[  315.285183]  ? graph_lock+0x170/0x170
[  315.288989]  ? __sigqueue_free.part.27+0x7d/0xa0
[  315.293751]  ? __lock_acquire+0x7ec/0x4ec0
[  315.297998]  ? lock_acquire+0x1ed/0x520
[  315.301975]  ? ext4_filemap_fault+0x7a/0xad
[  315.306314]  ? lock_release+0x970/0x970
[  315.310290]  ? arch_local_save_flags+0x40/0x40
[  315.314874]  ? mark_held_locks+0x130/0x130
[  315.319137]  ? down_read+0xb0/0x1d0
[  315.322776]  ? ext4_filemap_fault+0x7a/0xad
[  315.327112]  ? __down_interruptible+0x700/0x700
[  315.331783]  ? graph_lock+0x170/0x170
[  315.335623]  ? __sigqueue_free.part.27+0x7d/0xa0
[  315.340391]  ext4_filemap_fault+0x82/0xad
[  315.344557]  __do_fault+0x100/0x6b0
[  315.348216]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  315.353498]  ? print_bad_pte+0x6c0/0x6c0
[  315.357569]  ? pmd_val+0x88/0x100
[  315.361034]  ? add_mm_counter_fast+0xd0/0xd0
[  315.365458]  ? pmd_val+0x88/0x100
[  315.368926]  ? add_mm_counter_fast+0xd0/0xd0
[  315.373345]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.378918]  __handle_mm_fault+0x3709/0x53e0
[  315.383352]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  315.388202]  ? graph_lock+0x170/0x170
[  315.392007]  ? print_usage_bug+0xc0/0xc0
[  315.396073]  ? graph_lock+0x170/0x170
[  315.399872]  ? graph_lock+0x170/0x170
[  315.403691]  ? handle_mm_fault+0x42a/0xc70
[  315.407929]  ? lock_downgrade+0x900/0x900
[  315.412079]  ? check_preemption_disabled+0x48/0x200
[  315.417127]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  315.422930]  ? kasan_check_read+0x11/0x20
[  315.427080]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  315.432364]  ? rcu_bh_qs+0xc0/0xc0
[  315.435905]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  315.441362]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  315.446904]  ? check_preemption_disabled+0x48/0x200
[  315.451933]  handle_mm_fault+0x54f/0xc70
[  315.456000]  ? __handle_mm_fault+0x53e0/0x53e0
[  315.460587]  ? find_vma+0x34/0x190
[  315.464137]  __do_page_fault+0x67d/0xed0
[  315.468252]  ? mm_fault_error+0x380/0x380
[  315.472406]  ? syscall_slow_exit_work+0x520/0x520
[  315.477256]  do_page_fault+0xf2/0x7e0
[  315.481070]  ? vmalloc_sync_all+0x30/0x30
[  315.485236]  ? error_entry+0x70/0xd0
[  315.488968]  ? trace_hardirqs_off_caller+0xbb/0x300
[  315.493984]  ? trace_hardirqs_on_caller+0xc0/0x300
[  315.498915]  ? syscall_return_slowpath+0x5e0/0x5e0
[  315.503850]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.508694]  ? trace_hardirqs_off+0x300/0x300
[  315.513198]  ? trace_hardirqs_off_caller+0x300/0x300
[  315.518314]  ? prepare_exit_to_usermode+0x291/0x3b0
[  315.523334]  ? page_fault+0x8/0x30
[  315.526877]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  315.531722]  ? page_fault+0x8/0x30
[  315.535265]  page_fault+0x1e/0x30
[  315.538722] RIP: 0033:0x45db60
[  315.541926] Code: Bad RIP value.
[  315.545290] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  315.550654] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  315.557924] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  315.565201] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  315.572469] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  315.579999] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  315.587308] warn_alloc_show_mem: 1 callbacks suppressed
[  315.587320] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  315.587322] Mem-Info:
[  315.587365] active_anon:41581 inactive_anon:372 isolated_anon:0
[  315.587365]  active_file:17 inactive_file:16 isolated_file:0
[  315.587365]  unevictable:0 dirty:0 writeback:0 unstable:0
[  315.587365]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  315.587365]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  315.587365]  free:13699 free_pcp:281 free_cma:0
[  315.592720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  315.599915] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  315.602314] Call Trace:
[  315.635192] Node 0 
[  315.644548]  <IRQ>
[  315.672190] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  315.674749]  dump_stack+0x1c4/0x2b4
[  315.676953] lowmem_reserve[]: 0
[  315.679113]  ? dump_stack_print_info.cold.2+0x52/0x52
[  315.704608]  2817
[  315.708246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.711485]  6321 6321
[  315.716691]  ? trace_hardirqs_off+0xb8/0x300
[  315.724282]  nmi_cpu_backtrace.cold.3+0x63/0xa2
[  315.726760] Node 0 
[  315.731190]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  315.735864] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  315.738074]  nmi_trigger_cpumask_backtrace+0x1b3/0x1ed
[  315.743233] lowmem_reserve[]: 0
[  315.770258]  arch_trigger_cpumask_backtrace+0x14/0x20
[  315.775505]  0
[  315.778788]  rcu_dump_cpu_stacks+0x175/0x1c2
[  315.783957]  3503
[  315.785765]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  315.790145]  3503
[  315.792219]  print_cpu_stall.cold.78+0x2d3/0x524
[  315.797211] Node 0 
[  315.799282]  ? rcu_dynticks_snap+0x30/0x30
[  315.804040] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  315.806253]  ? check_preemption_disabled+0x48/0x200
[  315.810459] lowmem_reserve[]:
[  315.838842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.844323]  0 0
[  315.847447]  ? check_preemption_disabled+0x48/0x200
[  315.852953]  0 0
[  315.854938]  ? check_preemption_disabled+0x48/0x200
[  315.859927] Node 0 
[  315.861900]  ? rcu_test_sync_prims+0x30/0x30
[  315.866894] DMA: 
[  315.869132]  ? __lock_is_held+0xb5/0x140
[  315.873514] 1*4kB 
[  315.875576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.879613] (U) 
[  315.881762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.887274] 0*8kB 
[  315.889252]  ? check_preemption_disabled+0x48/0x200
[  315.894757] 0*16kB 1*32kB 
[  315.896918]  rcu_check_callbacks+0xfd9/0x1990
[  315.901905] (U) 
[  315.904755]  ? rcu_cpu_stall_reset+0x220/0x220
[  315.909217] 2*64kB 
[  315.911200]  ? lock_release+0x970/0x970
[  315.915758] (U) 
[  315.917996]  ? graph_lock+0x170/0x170
[  315.921936] 1*128kB (U) 
[  315.923918]  ? graph_lock+0x170/0x170
[  315.927697] 1*256kB 
[  315.930365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.934141] (U) 
[  315.936468]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  315.941989] 0*512kB 
[  315.943966]  ? kvm_vcpu_ready_for_interrupt_injection+0x1a0/0x1a0
[  315.948525] 1*1024kB 
[  315.950856]  ? graph_lock+0x170/0x170
[  315.957054] (U) 
[  315.959463]  ? timekeeping_advance+0x3cc/0xc00
[  315.963244] 1*2048kB 
[  315.965218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  315.969776] (M) 
[  315.972188]  ? check_preemption_disabled+0x48/0x200
[  315.977716] 3*4096kB (M) 
[  315.979704]  ? check_preemption_disabled+0x48/0x200
[  315.984699] = 15908kB
[  315.987463]  ? trace_hardirqs_off+0xb8/0x300
[  315.992450] Node 0 
[  315.994872]  ? __lock_is_held+0xb5/0x140
[  315.999259] DMA32: 
[  316.001516]  ? trace_hardirqs_on+0x310/0x310
[  316.005576] 2*4kB 
[  316.007817]  ? check_preemption_disabled+0x48/0x200
[  316.012198] (M) 
[  316.014353]  ? raise_softirq+0x199/0x420
[  316.019363] 1*8kB 
[  316.021361]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  316.025401] (U) 
[  316.027555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.032201] 3*16kB (M) 
[  316.034226]  ? check_preemption_disabled+0x48/0x200
[  316.039748] 1*32kB 
[  316.042360]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  316.047375] (M) 
[  316.049621]  ? hrtimer_run_queues+0x9a/0x400
[  316.055135] 3*64kB 
[  316.057105]  ? run_local_timers+0x19b/0x230
[  316.061491] (UM) 
[  316.063723]  ? timer_clear_idle+0x90/0x90
[  316.068024] 3*128kB 
[  316.070088]  ? debug_smp_processor_id+0x1c/0x20
[  316.074212] (M) 
[  316.076536]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  316.081184] 3*256kB 
[  316.083155]  ? account_process_tick+0x282/0x350
[  316.089102] (UM) 
[  316.091424]  update_process_times+0x2d/0x70
[  316.096069] 4*512kB 
[  316.098142]  tick_sched_handle+0x9f/0x180
[  316.102430] (UM) 3*1024kB 
[  316.104782]  tick_sched_timer+0x45/0x130
[  316.108904] (M) 
[  316.111744]  __hrtimer_run_queues+0x41c/0x10d0
[  316.115781] 1*2048kB 
[  316.117754]  ? tick_sched_do_timer+0x1a0/0x1a0
[  316.122310] (U) 
[  316.124722]  ? hrtimer_start_range_ns+0xe00/0xe00
[  316.129293] 4*4096kB 
[  316.131269]  ? pvclock_read_flags+0x160/0x160
[  316.136098] (M) 
[  316.138507]  ? trace_hardirqs_on+0x310/0x310
[  316.142979] = 24992kB
[  316.144967]  ? kvm_clock_read+0x18/0x30
[  316.149333] Node 0 
[  316.151746]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  316.155696] Normal: 
[  316.157940]  ? ktime_get_update_offsets_now+0x3b6/0x550
[  316.162932] 882*4kB 
[  316.165254]  ? do_timer+0x50/0x50
[  316.170594] (UME) 
[  316.172916]  ? trace_hardirqs_on+0x310/0x310
[  316.176343] 426*8kB 
[  316.178492]  ? do_raw_spin_lock+0xc1/0x200
[  316.182873] (MEH) 
[  316.185208]  hrtimer_interrupt+0x313/0x780
[  316.189419] 175*16kB 
[  316.191582]  smp_apic_timer_interrupt+0x1a1/0x760
[  316.195776] (UME) 
[  316.198187]  ? smp_call_function_single_interrupt+0x650/0x650
[  316.203010] 71*32kB 
[  316.205157]  ? interrupt_entry+0xb5/0xf0
[  316.211021] (UMEH) 
[  316.213346]  ? trace_hardirqs_off_caller+0xbb/0x300
[  316.217383] 10*64kB 
[  316.219619]  ? ____cache_alloc_node+0x1c7/0x1e0
[  316.224606] (UMH) 
[  316.226931]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.231575] 2*128kB 
[  316.233724]  ? trace_hardirqs_off+0x300/0x300
[  316.238543] (H) 
[  316.240876]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.245340] 0*256kB 
[  316.247321]  apic_timer_interrupt+0xf/0x20
[  316.252136] 2*512kB 
[  316.254469] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  316.258675] (UH) 
[  316.261001] Code: 40 7e 0f 85 32 ff ff ff e8 a5 c3 3e ff e9 28 ff ff ff e8 bc 20 c3 ff 48 83 3d 5c 6f 90 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 9a 46
[  316.266336] 0*1024kB 0*2048kB 
[  316.268396] RSP: 0000:ffff8801dae07450 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  316.287307] 0*4096kB 
[  316.290496] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10038460539
[  316.298186] = 13928kB
[  316.300593] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282
[  316.307866] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  316.310260] RBP: ffff8801dae074c0 R08: ffff8801c23029c8 R09: 0000000000000002
[  316.317520] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  316.326369] R10: 0000000000000000 R11: ffff8801c2302100 R12: ffff8801d9be7680
[  316.333658] 412 total pagecache pages
[  316.342261] R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000282
[  316.349530] 0 pages in swap cache
[  316.353340]  ? apic_timer_interrupt+0xa/0x20
[  316.360581] Swap cache stats: add 0, delete 0, find 0/0
[  316.360591] Free swap  = 0kB
[  316.364063]  ? ipv6_get_ifaddr+0x42e/0x620
[  316.368428] Total swap = 0kB
[  316.373803]  __alloc_skb+0x119/0x770
[  316.376795] 1965979 pages RAM
[  316.381057]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  316.384062] 0 pages HighMem/MovableOnly
[  316.387779]  ? skb_scrub_packet+0x490/0x490
[  316.390856] 342744 pages reserved
[  316.396130]  ? lock_downgrade+0x900/0x900
[  316.400075] 0 pages cma reserved
[  316.400165] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  316.404415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.407950] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  316.411994]  ? refcount_sub_and_test_checked+0x203/0x310
[  316.415336] syz-fuzzer cpuset=
[  316.421835]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  316.427353] /
[  316.437591]  ? addrconf_rs_timer+0x6f0/0x6f0
[  316.443019]  mems_allowed=0
[  316.446223]  ndisc_alloc_skb+0x144/0x340
[  316.464741]  ndisc_send_rs+0x331/0x6e0
[  316.468653]  addrconf_rs_timer+0x3c0/0x6f0
[  316.472903]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.477170]  call_timer_fn+0x272/0x920
[  316.481059]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.485298]  ? process_timeout+0x40/0x40
[  316.489382]  ? find_held_lock+0x36/0x1c0
[  316.493455]  ? __run_timers+0x7da/0xc70
[  316.497446]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.501943]  ? _raw_spin_unlock_irq+0x27/0x80
[  316.506453]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.510696]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  316.515294]  ? trace_hardirqs_on+0xbd/0x310
[  316.519637]  ? kasan_check_read+0x11/0x20
[  316.523793]  ? __run_timers+0x7da/0xc70
[  316.527770]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  316.533230]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.537472]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  316.541717]  __run_timers+0x7e5/0xc70
[  316.545533]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  316.550914]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  316.555933]  ? graph_lock+0x170/0x170
[  316.559742]  ? enqueue_hrtimer+0x1a5/0x560
[  316.563979]  ? lock_release+0x970/0x970
[  316.567956]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  316.573180]  ? find_held_lock+0x36/0x1c0
[  316.577251]  ? graph_lock+0x170/0x170
[  316.581054]  ? pvclock_read_flags+0x160/0x160
[  316.585551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.591106]  ? check_preemption_disabled+0x48/0x200
[  316.596152]  ? __lock_is_held+0xb5/0x140
[  316.600219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.605762]  ? check_preemption_disabled+0x48/0x200
[  316.610793]  run_timer_softirq+0x52/0xb0
[  316.614860]  ? rcu_read_lock_sched_held+0x108/0x120
[  316.619880]  __do_softirq+0x30b/0xad8
[  316.623703]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  316.628813]  ? pvclock_read_flags+0x160/0x160
[  316.633310]  ? lapic_next_event+0x5a/0x90
[  316.637464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.643009]  ? check_preemption_disabled+0x48/0x200
[  316.648030]  ? check_preemption_disabled+0x48/0x200
[  316.653067]  ? kvm_clock_read+0x18/0x30
[  316.657053]  ? kvm_sched_clock_read+0x9/0x20
[  316.661465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.667004]  ? check_preemption_disabled+0x48/0x200
[  316.672038]  irq_exit+0x17f/0x1c0
[  316.675498]  smp_apic_timer_interrupt+0x1cb/0x760
[  316.680343]  ? smp_reschedule_interrupt+0x109/0x650
[  316.685369]  ? smp_call_function_single_interrupt+0x650/0x650
[  316.691267]  ? interrupt_entry+0xb5/0xf0
[  316.695349]  ? trace_hardirqs_off_caller+0xbb/0x300
[  316.700367]  ? trace_hardirqs_off_caller+0xbb/0x300
[  316.705413]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.710258]  ? trace_hardirqs_off+0x300/0x300
[  316.714754]  ? trace_hardirqs_off+0x300/0x300
[  316.719255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.724807]  ? check_preemption_disabled+0x48/0x200
[  316.729823]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.735882]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  316.740740]  apic_timer_interrupt+0xf/0x20
[  316.744971]  </IRQ>
[  316.747217] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  316.752147] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  316.771052] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  316.778766] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  316.786033] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  316.793303] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  316.800573] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  316.807843] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  316.815188]  skb_clone+0x1bb/0x500
[  316.818750]  ? finish_task_switch+0x2f5/0x900
[  316.823246]  ? skb_split+0x11e0/0x11e0
[  316.827133]  ? preempt_notifier_register+0x200/0x200
[  316.832239]  ? __switch_to_asm+0x34/0x70
[  316.836297]  ? __switch_to_asm+0x34/0x70
[  316.840355]  ? __switch_to_asm+0x40/0x70
[  316.844419]  ? __switch_to_asm+0x34/0x70
[  316.848489]  ? __switch_to_asm+0x40/0x70
[  316.852551]  ? __switch_to_asm+0x34/0x70
[  316.856610]  ? __switch_to_asm+0x40/0x70
[  316.860672]  ? __switch_to_asm+0x34/0x70
[  316.864748]  ? __switch_to_asm+0x34/0x70
[  316.868809]  ? __switch_to_asm+0x40/0x70
[  316.872873]  ? __switch_to_asm+0x34/0x70
[  316.876948]  bpf_clone_redirect+0xb9/0x490
[  316.882053]  ? __schedule+0x874/0x1ed0
[  316.885949]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  316.890971]  ? __sched_text_start+0x8/0x8
[  316.895167]  ? lockdep_hardirqs_on+0x421/0x5c0
[  316.899754]  ? retint_kernel+0x2d/0x2d
[  316.903646]  ? trace_hardirqs_on_caller+0xc0/0x300
[  316.908582]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  316.913348]  ? find_held_lock+0x36/0x1c0
[  316.917450]  ? lock_acquire+0x1ed/0x520
[  316.921423]  ? bpf_test_run+0x32e/0x5a0
[  316.925409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  316.930952]  ? check_preemption_disabled+0x48/0x200
[  316.935980]  ? kasan_check_read+0x11/0x20
[  316.940131]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  316.945419]  ? rcu_bh_qs+0xc0/0xc0
[  316.948967]  ? preempt_schedule+0x4d/0x60
[  316.953208]  ? ___preempt_schedule+0x16/0x18
[  316.957631]  ? bpf_test_run+0x1c0/0x5a0
[  316.961622]  ? netlink_diag_dump+0x2a0/0x2a0
[  316.966069]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  316.971607]  ? bpf_test_init.isra.9+0x70/0x100
[  316.976199]  ? bpf_prog_test_run_skb+0x634/0xb40
[  316.980968]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  316.985812]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  316.991351]  ? fput+0x130/0x1a0
[  316.994653]  ? __bpf_prog_get+0x9b/0x290
[  316.998722]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  317.003567]  ? bpf_prog_test_run+0x130/0x1a0
[  317.007981]  ? __x64_sys_bpf+0x3d8/0x510
[  317.012044]  ? bpf_prog_get+0x20/0x20
[  317.015862]  ? ksys_ioctl+0x81/0xd0
[  317.019521]  ? do_syscall_64+0x1b9/0x820
[  317.023586]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  317.028971]  ? syscall_return_slowpath+0x5e0/0x5e0
[  317.033908]  ? trace_hardirqs_off+0x300/0x300
[  317.038420]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  317.043434]  ? recalc_sigpending_tsk+0x180/0x180
[  317.048194]  ? kasan_check_write+0x14/0x20
[  317.052447]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.057304]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  317.062713] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  317.063228] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  317.069669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  317.069674] Call Trace:
[  317.069681]  <IRQ>
[  317.069701]  dump_stack+0x1c4/0x2b4
[  317.069725]  ? dump_stack_print_info.cold.2+0x52/0x52
[  317.076342] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  317.085575]  warn_alloc.cold.118+0xb7/0x1bd
[  317.088129] syz-executor4 cpuset=
[  317.090275]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  317.093877] syz4
[  317.099066]  ? lock_downgrade+0x900/0x900
[  317.109531]  mems_allowed=0
[  317.113869]  ? trace_hardirqs_off+0xb8/0x300
[  317.135532]  ? trace_hardirqs_off+0xb8/0x300
[  317.139959]  __alloc_pages_slowpath+0x2667/0x2d80
[  317.144836]  ? warn_alloc+0x120/0x120
[  317.148643]  ? trace_hardirqs_on+0x310/0x310
[  317.153054]  ? warn_alloc+0x120/0x120
[  317.156864]  ? print_usage_bug+0xc0/0xc0
[  317.160927]  ? warn_alloc+0x120/0x120
[  317.164754]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  317.169773]  ? print_usage_bug+0xc0/0xc0
[  317.173838]  ? __lock_acquire+0x7ec/0x4ec0
[  317.178073]  ? __lock_acquire+0x7ec/0x4ec0
[  317.182312]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.187851]  ? should_fail+0x22d/0xd01
[  317.191744]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  317.196854]  ? __lock_acquire+0x7ec/0x4ec0
[  317.201098]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  317.206211]  ? __lock_acquire+0x7ec/0x4ec0
[  317.210444]  ? should_fail+0x22d/0xd01
[  317.214334]  ? print_usage_bug+0xc0/0xc0
[  317.218416]  ? mark_held_locks+0x130/0x130
[  317.222662]  ? mark_held_locks+0x130/0x130
[  317.226909]  ? graph_lock+0x170/0x170
[  317.230706]  ? print_usage_bug+0xc0/0xc0
[  317.234766]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  317.239525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.245073]  ? check_preemption_disabled+0x48/0x200
[  317.250091]  ? check_preemption_disabled+0x48/0x200
[  317.255120]  ? __lock_is_held+0xb5/0x140
[  317.259205]  __alloc_pages_nodemask+0xa80/0xde0
[  317.263898]  ? graph_lock+0x170/0x170
[  317.267700]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  317.272716]  ? graph_lock+0x170/0x170
[  317.276529]  ? find_held_lock+0x36/0x1c0
[  317.280598]  ? ____cache_alloc_node+0x1c7/0x1e0
[  317.285290]  ? lock_downgrade+0x900/0x900
[  317.289451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.294998]  cache_grow_begin+0x91/0x8c0
[  317.299061]  ? do_raw_spin_unlock+0xa7/0x2f0
[  317.303478]  fallback_alloc+0x203/0x2e0
[  317.307465]  ____cache_alloc_node+0x1c7/0x1e0
[  317.311969]  kmem_cache_alloc_node+0xe3/0x730
[  317.316470]  ? ipv6_get_ifaddr+0x42e/0x620
[  317.320718]  __alloc_skb+0x119/0x770
[  317.324434]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  317.329738]  ? skb_scrub_packet+0x490/0x490
[  317.334098]  ? lock_downgrade+0x900/0x900
[  317.338268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.343810]  ? refcount_sub_and_test_checked+0x203/0x310
[  317.349267]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  317.354723]  ? addrconf_rs_timer+0x6f0/0x6f0
[  317.359151]  ndisc_alloc_skb+0x144/0x340
[  317.363235]  ndisc_send_rs+0x331/0x6e0
[  317.367132]  addrconf_rs_timer+0x3c0/0x6f0
[  317.371375]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.375647]  call_timer_fn+0x272/0x920
[  317.379548]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.383787]  ? process_timeout+0x40/0x40
[  317.387848]  ? find_held_lock+0x36/0x1c0
[  317.391918]  ? mark_held_locks+0xc7/0x130
[  317.396085]  ? _raw_spin_unlock_irq+0x27/0x80
[  317.400605]  ? _raw_spin_unlock_irq+0x27/0x80
[  317.405102]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.409341]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  317.413927]  ? trace_hardirqs_on+0xbd/0x310
[  317.418256]  ? kasan_check_read+0x11/0x20
[  317.422417]  ? __run_timers+0x7da/0xc70
[  317.426392]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  317.431857]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.436099]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  317.440353]  __run_timers+0x7e5/0xc70
[  317.444200]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  317.449571]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  317.454590]  ? graph_lock+0x170/0x170
[  317.458396]  ? print_usage_bug+0xc0/0xc0
[  317.462465]  ? lock_release+0x970/0x970
[  317.466453]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  317.471653]  ? find_held_lock+0x36/0x1c0
[  317.475722]  ? graph_lock+0x170/0x170
[  317.479540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.485109]  ? check_preemption_disabled+0x48/0x200
[  317.490139]  ? __lock_is_held+0xb5/0x140
[  317.494205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.499745]  ? check_preemption_disabled+0x48/0x200
[  317.504772]  run_timer_softirq+0x52/0xb0
[  317.508835]  ? rcu_read_lock_sched_held+0x108/0x120
[  317.513855]  __do_softirq+0x30b/0xad8
[  317.517677]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  317.522792]  ? pvclock_read_flags+0x160/0x160
[  317.527288]  ? lapic_next_event+0x5a/0x90
[  317.531439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.536982]  ? check_preemption_disabled+0x48/0x200
[  317.541999]  ? check_preemption_disabled+0x48/0x200
[  317.547024]  ? kvm_clock_read+0x18/0x30
[  317.551000]  ? kvm_sched_clock_read+0x9/0x20
[  317.555412]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.560957]  ? check_preemption_disabled+0x48/0x200
[  317.566077]  irq_exit+0x17f/0x1c0
[  317.569536]  smp_apic_timer_interrupt+0x1cb/0x760
[  317.574385]  ? smp_reschedule_interrupt+0x109/0x650
[  317.579412]  ? smp_call_function_single_interrupt+0x650/0x650
[  317.585299]  ? interrupt_entry+0xb5/0xf0
[  317.589364]  ? trace_hardirqs_off_caller+0xbb/0x300
[  317.594388]  ? trace_hardirqs_off_caller+0xbb/0x300
[  317.599407]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.604251]  ? trace_hardirqs_off+0x300/0x300
[  317.608745]  ? trace_hardirqs_off+0x300/0x300
[  317.613246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.618789]  ? check_preemption_disabled+0x48/0x200
[  317.623805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.629368]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  317.634227]  apic_timer_interrupt+0xf/0x20
[  317.638457]  </IRQ>
[  317.640699] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  317.645981] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  317.664886] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  317.672599] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  317.679868] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  317.687136] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  317.694410] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  317.701678] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  317.708976]  ? arch_local_irq_restore+0x45/0x52
[  317.713660]  dump_stack+0x26a/0x2b4
[  317.717310]  ? dump_stack_print_info.cold.2+0x52/0x52
[  317.722509]  ? mark_held_locks+0x130/0x130
[  317.726745]  ? mark_held_locks+0x130/0x130
[  317.730990]  dump_header+0x27b/0xf72
[  317.734724]  ? pagefault_out_of_memory+0x197/0x197
[  317.739664]  ? mark_held_locks+0x130/0x130
[  317.743902]  ? __lock_acquire+0x7ec/0x4ec0
[  317.748142]  ? mem_cgroup_charge_statistics+0x780/0x780
[  317.753510]  ? print_usage_bug+0xc0/0xc0
[  317.757571]  ? print_usage_bug+0xc0/0xc0
[  317.761644]  ? graph_lock+0x170/0x170
[  317.765446]  ? graph_lock+0x170/0x170
[  317.769252]  ? print_usage_bug+0xc0/0xc0
[  317.773317]  ? print_usage_bug+0xc0/0xc0
[  317.777392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.782937]  ? find_held_lock+0x36/0x1c0
[  317.787012]  ? mark_held_locks+0xc7/0x130
[  317.791186]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  317.796293]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  317.801439]  ? lockdep_hardirqs_on+0x421/0x5c0
[  317.806036]  ? trace_hardirqs_on+0xbd/0x310
[  317.810360]  ? kasan_check_read+0x11/0x20
[  317.814523]  ? ___ratelimit+0x36f/0x655
[  317.818502]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  317.823955]  ? trace_hardirqs_on+0x310/0x310
[  317.828370]  ? lock_downgrade+0x900/0x900
[  317.832545]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  317.837654]  ? ___ratelimit+0xaa/0x655
[  317.842076]  ? idr_get_free+0xec0/0xec0
[  317.846057]  ? kasan_check_write+0x14/0x20
[  317.850300]  ? do_raw_spin_lock+0xc1/0x200
[  317.854552]  oom_kill_process.cold.27+0x10/0x903
[  317.859312]  ? graph_lock+0x170/0x170
[  317.863114]  ? _raw_spin_unlock+0x2c/0x50
[  317.867264]  ? oom_badness+0xe6/0xaa0
[  317.871102]  ? oom_evaluate_task+0x540/0x540
[  317.875515]  ? find_held_lock+0x36/0x1c0
[  317.879585]  ? out_of_memory+0x974/0x14c0
[  317.883739]  ? lock_downgrade+0x900/0x900
[  317.887895]  ? check_preemption_disabled+0x48/0x200
[  317.892936]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  317.898750]  ? kasan_check_read+0x11/0x20
[  317.902946]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  317.908227]  ? rcu_bh_qs+0xc0/0xc0
[  317.911777]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  317.916795]  ? oom_evaluate_task+0x302/0x540
[  317.921215]  out_of_memory+0xa86/0x14c0
[  317.925205]  ? oom_killer_disable+0x3a0/0x3a0
[  317.929702]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  317.934638]  ? __mutex_add_waiter+0x2a0/0x2a0
[  317.939150]  __alloc_pages_slowpath+0x2318/0x2d80
[  317.944033]  ? warn_alloc+0x120/0x120
[  317.947841]  ? __radix_tree_lookup+0x4c0/0x4c0
[  317.952449]  ? find_get_entry+0x2f2/0xc40
[  317.956608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  317.962162]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  317.967108]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  317.972646]  ? should_fail+0x22d/0xd01
[  317.976538]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  317.981643]  ? __lock_is_held+0xb5/0x140
[  317.985734]  ? __lock_is_held+0xb5/0x140
[  317.989808]  ? find_held_lock+0x36/0x1c0
[  317.993878]  ? ___might_sleep+0x1ed/0x300
[  317.998025]  ? lock_release+0x970/0x970
[  318.002004]  ? arch_local_save_flags+0x40/0x40
[  318.006601]  ? __might_sleep+0x95/0x190
[  318.010589]  __alloc_pages_nodemask+0xa80/0xde0
[  318.015281]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  318.020302]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  318.026112]  ? kasan_check_read+0x11/0x20
[  318.030263]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  318.035559]  ? graph_lock+0x170/0x170
[  318.039359]  ? print_usage_bug+0xc0/0xc0
[  318.043435]  ? graph_lock+0x170/0x170
[  318.047251]  ? graph_lock+0x170/0x170
[  318.051054]  ? __do_page_cache_readahead+0x7ce/0x980
[  318.056168]  ? find_held_lock+0x36/0x1c0
[  318.060241]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  318.065785]  alloc_pages_current+0x10c/0x210
[  318.070205]  ? lock_downgrade+0x900/0x900
[  318.074359]  __page_cache_alloc+0x38f/0x5b0
[  318.078723]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  318.084536]  ? kasan_check_read+0x11/0x20
[  318.088687]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  318.093972]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  318.098645]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.104191]  ? check_preemption_disabled+0x48/0x200
[  318.109222]  filemap_fault+0x1594/0x25f0
[  318.113301]  ? __lock_page_or_retry+0xa00/0xa00
[  318.117972]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  318.123772]  ? kasan_check_read+0x11/0x20
[  318.127928]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  318.133209]  ? rcu_bh_qs+0xc0/0xc0
[  318.136760]  ? print_usage_bug+0xc0/0xc0
[  318.140834]  ? filemap_map_pages+0xdea/0x1980
[  318.145340]  ? print_usage_bug+0xc0/0xc0
[  318.149419]  ? find_get_pages_range_tag+0x1320/0x1320
[  318.154615]  ? print_usage_bug+0xc0/0xc0
[  318.158678]  ? __lock_acquire+0x7ec/0x4ec0
[  318.162918]  ? graph_lock+0x170/0x170
[  318.166724]  ? __sigqueue_free.part.27+0x7d/0xa0
[  318.171489]  ? __lock_acquire+0x7ec/0x4ec0
[  318.175742]  ? lock_acquire+0x1ed/0x520
[  318.179724]  ? ext4_filemap_fault+0x7a/0xad
[  318.184054]  ? lock_release+0x970/0x970
[  318.188035]  ? arch_local_save_flags+0x40/0x40
[  318.192630]  ? mark_held_locks+0x130/0x130
[  318.196892]  ? down_read+0xb0/0x1d0
[  318.200549]  ? ext4_filemap_fault+0x7a/0xad
[  318.204878]  ? __down_interruptible+0x700/0x700
[  318.209551]  ? graph_lock+0x170/0x170
[  318.213357]  ? __sigqueue_free.part.27+0x7d/0xa0
[  318.218138]  ext4_filemap_fault+0x82/0xad
[  318.222296]  __do_fault+0x100/0x6b0
[  318.225929]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  318.231212]  ? print_bad_pte+0x6c0/0x6c0
[  318.235281]  ? pmd_val+0x88/0x100
[  318.238737]  ? add_mm_counter_fast+0xd0/0xd0
[  318.243145]  ? pmd_val+0x88/0x100
[  318.246610]  ? add_mm_counter_fast+0xd0/0xd0
[  318.251027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.256575]  __handle_mm_fault+0x3709/0x53e0
[  318.260998]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  318.265866]  ? graph_lock+0x170/0x170
[  318.269675]  ? print_usage_bug+0xc0/0xc0
[  318.273743]  ? graph_lock+0x170/0x170
[  318.277560]  ? graph_lock+0x170/0x170
[  318.281391]  ? handle_mm_fault+0x42a/0xc70
[  318.285630]  ? lock_downgrade+0x900/0x900
[  318.289782]  ? check_preemption_disabled+0x48/0x200
[  318.294808]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  318.300606]  ? kasan_check_read+0x11/0x20
[  318.304757]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  318.310035]  ? rcu_bh_qs+0xc0/0xc0
[  318.313576]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  318.319053]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.324593]  ? check_preemption_disabled+0x48/0x200
[  318.329623]  handle_mm_fault+0x54f/0xc70
[  318.333693]  ? __handle_mm_fault+0x53e0/0x53e0
[  318.338280]  ? find_vma+0x34/0x190
[  318.341832]  __do_page_fault+0x67d/0xed0
[  318.345908]  ? mm_fault_error+0x380/0x380
[  318.350067]  ? syscall_slow_exit_work+0x520/0x520
[  318.354916]  do_page_fault+0xf2/0x7e0
[  318.358721]  ? vmalloc_sync_all+0x30/0x30
[  318.362873]  ? error_entry+0x70/0xd0
[  318.366592]  ? trace_hardirqs_off_caller+0xbb/0x300
[  318.371609]  ? trace_hardirqs_on_caller+0xc0/0x300
[  318.376555]  ? syscall_return_slowpath+0x5e0/0x5e0
[  318.381484]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.386327]  ? trace_hardirqs_off+0x300/0x300
[  318.390839]  ? trace_hardirqs_off_caller+0x300/0x300
[  318.395947]  ? prepare_exit_to_usermode+0x291/0x3b0
[  318.400967]  ? page_fault+0x8/0x30
[  318.404517]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  318.409366]  ? page_fault+0x8/0x30
[  318.412915]  page_fault+0x1e/0x30
[  318.416371] RIP: 0033:0x45db60
[  318.419581] Code: Bad RIP value.
[  318.422941] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  318.428318] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  318.435683] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  318.443168] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  318.450446] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  318.457713] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  318.465048] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  318.465051] Mem-Info:
[  318.465092] active_anon:41581 inactive_anon:372 isolated_anon:0
[  318.465092]  active_file:17 inactive_file:16 isolated_file:0
[  318.465092]  unevictable:0 dirty:0 writeback:0 unstable:0
[  318.465092]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  318.465092]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  318.465092]  free:13699 free_pcp:281 free_cma:0
[  318.472262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  318.472272] Call Trace:
[  318.474725] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  318.507591]  <IRQ>
[  318.516938] Node 0 
[  318.519563]  dump_stack+0x1c4/0x2b4
[  318.547161] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  318.549294]  ? dump_stack_print_info.cold.2+0x52/0x52
[  318.551495] lowmem_reserve[]: 0
[  318.555158]  warn_alloc.cold.118+0xb7/0x1bd
[  318.580629]  2817 6321
[  318.585866]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  318.589116]  6321
[  318.593459]  ? lock_downgrade+0x900/0x900
[  318.595939] Node 0 
[  318.600794]  ? trace_hardirqs_off+0xb8/0x300
[  318.602857] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  318.606989]  ? trace_hardirqs_off+0xb8/0x300
[  318.609205] lowmem_reserve[]:
[  318.613615]  __alloc_pages_slowpath+0x2667/0x2d80
[  318.640562]  0 0
[  318.645012]  ? warn_alloc+0x120/0x120
[  318.648064]  3503 3503
[  318.652933]  ? warn_alloc+0x120/0x120
[  318.658713]  ? print_usage_bug+0xc0/0xc0
[  318.661191] Node 0 
[  318.664985]  ? warn_alloc+0x120/0x120
[  318.669051] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  318.671260]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  318.675038] lowmem_reserve[]:
[  318.703423]  ? print_usage_bug+0xc0/0xc0
[  318.708421]  0
[  318.711529]  ? __lock_acquire+0x7ec/0x4ec0
[  318.715568]  0
[  318.717384]  ? __lock_acquire+0x7ec/0x4ec0
[  318.721603]  0 0
[  318.723420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  318.729608]  ? should_fail+0x22d/0xd01
[  318.735265] Node 0 
[  318.739159]  ? __lock_acquire+0x7ec/0x4ec0
[  318.739169] DMA: 
[  318.741444]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.745669] 1*4kB 
[  318.747734]  ? __lock_acquire+0x7ec/0x4ec0
[  318.752815] (U) 
[  318.754962]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  318.759181] 0*8kB 
[  318.761153]  ? __lock_acquire+0x7ec/0x4ec0
[  318.766226] 0*16kB 1*32kB 
[  318.768400]  ? should_fail+0x22d/0xd01
[  318.768421]  ? mark_held_locks+0x130/0x130
[  318.772645] (U) 
[  318.775488]  ? mark_held_locks+0x130/0x130
[  318.779350] 2*64kB 
[  318.783583]  ? try_to_wake_up+0x10a/0x12f0
[  318.785622] (U) 
[  318.789852]  ? graph_lock+0x170/0x170
[  318.792069] 1*128kB 
[  318.796309]  ? print_usage_bug+0xc0/0xc0
[  318.798261] (U) 
[  318.802059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.804360] 1*256kB 
[  318.808463]  ? check_preemption_disabled+0x48/0x200
[  318.810408] (U) 0*512kB 
[  318.815953]  ? check_preemption_disabled+0x48/0x200
[  318.818258] 1*1024kB 
[  318.823277]  ? __lock_is_held+0xb5/0x140
[  318.825922] (U) 
[  318.830942]  __alloc_pages_nodemask+0xa80/0xde0
[  318.833335] 1*2048kB 
[  318.837414]  ? graph_lock+0x170/0x170
[  318.839371] (M) 
[  318.844045]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  318.846433] 3*4096kB 
[  318.850260]  ? graph_lock+0x170/0x170
[  318.852220] (M) 
[  318.857238]  ? find_held_lock+0x36/0x1c0
[  318.859614] = 15908kB
[  318.859623] Node 0 
[  318.863426]  ? ____cache_alloc_node+0x1c7/0x1e0
[  318.865369] DMA32: 2*4kB 
[  318.869440]  ? lock_downgrade+0x900/0x900
[  318.871826] (M) 
[  318.874069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.878712] 1*8kB 
[  318.882345]  cache_grow_begin+0x91/0x8c0
[  318.886468] (U) 
[  318.888448]  ? do_raw_spin_unlock+0xa7/0x2f0
[  318.893961] 3*16kB 
[  318.896112]  fallback_alloc+0x203/0x2e0
[  318.900147] (M) 
[  318.902123]  ____cache_alloc_node+0x1c7/0x1e0
[  318.906507] 1*32kB 
[  318.908745]  kmem_cache_alloc_node+0xe3/0x730
[  318.912694] (M) 
[  318.914681]  ? ipv6_get_ifaddr+0x42e/0x620
[  318.919145] 3*64kB 
[  318.921409]  __alloc_skb+0x119/0x770
[  318.925865] (UM) 
[  318.927845]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  318.932047] 3*128kB (M) 
[  318.934289]  ? skb_scrub_packet+0x490/0x490
[  318.937983] 3*256kB 
[  318.940066]  ? lock_downgrade+0x900/0x900
[  318.945309] (UM) 
[  318.947979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  318.952277] 4*512kB 
[  318.954612]  ? refcount_sub_and_test_checked+0x203/0x310
[  318.958742] (UM) 
[  318.960799]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  318.966312] 3*1024kB 
[  318.968657]  ? addrconf_rs_timer+0x6f0/0x6f0
[  318.974082] (M) 
[  318.976156]  ndisc_alloc_skb+0x144/0x340
[  318.981580] 1*2048kB 
[  318.983986]  ndisc_send_rs+0x331/0x6e0
[  318.988375] (U) 
[  318.990375]  addrconf_rs_timer+0x3c0/0x6f0
[  318.994422] 4*4096kB 
[  318.996830]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.000687] (M) = 24992kB
[  319.002725]  call_timer_fn+0x272/0x920
[  319.006923] Node 0 
[  319.009330]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.013532] Normal: 882*4kB 
[  319.016297]  ? process_timeout+0x40/0x40
[  319.020162] (UME) 
[  319.022408]  ? find_held_lock+0x36/0x1c0
[  319.026620] 426*8kB 
[  319.029637]  ? __run_timers+0x7da/0xc70
[  319.033673] (MEH) 175*16kB 
[  319.035825]  ? _raw_spin_unlock_irq+0x27/0x80
[  319.039860] (UME) 
[  319.042181]  ? _raw_spin_unlock_irq+0x27/0x80
[  319.046138] 71*32kB 
[  319.049063]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.053532] (UMEH) 
[  319.055687]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  319.060153] 10*64kB 
[  319.062478]  ? trace_hardirqs_on+0xbd/0x310
[  319.066679] (UMH) 2*128kB 
[  319.068925]  ? kasan_check_read+0x11/0x20
[  319.073484] (H) 
[  319.075806]  ? __run_timers+0x7da/0xc70
[  319.080102] 0*256kB 
[  319.082944]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  319.087069] 2*512kB 
[  319.089050]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  319.092995] (UH) 
[  319.095323]  __run_timers+0x7e5/0xc70
[  319.100755] 0*1024kB 0*2048kB 
[  319.103103]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  319.107303] 0*4096kB 
[  319.109363]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  319.113134] = 13928kB
[  319.113149] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  319.116345]  ? graph_lock+0x170/0x170
[  319.121693] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  319.124092]  ? enqueue_hrtimer+0x1a5/0x560
[  319.129084] 412 total pagecache pages
[  319.131513]  ? lock_release+0x970/0x970
[  319.140334] 0 pages in swap cache
[  319.144122]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  319.152690] Swap cache stats: add 0, delete 0, find 0/0
[  319.156925]  ? find_held_lock+0x36/0x1c0
[  319.160701] Free swap  = 0kB
[  319.164684]  ? graph_lock+0x170/0x170
[  319.168111] Total swap = 0kB
[  319.173296]  ? pvclock_read_flags+0x160/0x160
[  319.178735] 1965979 pages RAM
[  319.182803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.185809] 0 pages HighMem/MovableOnly
[  319.189605]  ? check_preemption_disabled+0x48/0x200
[  319.192609] 342744 pages reserved
[  319.197107]  ? __lock_is_held+0xb5/0x140
[  319.200180] 0 pages cma reserved
[  319.205716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.209744] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  319.214691]  ? check_preemption_disabled+0x48/0x200
[  319.218233] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  319.222196]  run_timer_softirq+0x52/0xb0
[  319.225547] syz-fuzzer cpuset=
[  319.231093]  ? rcu_read_lock_sched_held+0x108/0x120
[  319.237560] /
[  319.242574]  __do_softirq+0x30b/0xad8
[  319.252777]  mems_allowed=0
[  319.256833]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  319.278491]  ? pvclock_read_flags+0x160/0x160
[  319.282983]  ? lapic_next_event+0x5a/0x90
[  319.287155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.292708]  ? check_preemption_disabled+0x48/0x200
[  319.297721]  ? check_preemption_disabled+0x48/0x200
[  319.302745]  ? kvm_clock_read+0x18/0x30
[  319.306718]  ? kvm_sched_clock_read+0x9/0x20
[  319.311134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.316704]  ? check_preemption_disabled+0x48/0x200
[  319.321736]  irq_exit+0x17f/0x1c0
[  319.325197]  smp_apic_timer_interrupt+0x1cb/0x760
[  319.330040]  ? smp_reschedule_interrupt+0x109/0x650
[  319.335057]  ? smp_call_function_single_interrupt+0x650/0x650
[  319.340946]  ? interrupt_entry+0xb5/0xf0
[  319.345012]  ? trace_hardirqs_off_caller+0xbb/0x300
[  319.350025]  ? trace_hardirqs_off_caller+0xbb/0x300
[  319.355049]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.359893]  ? trace_hardirqs_off+0x300/0x300
[  319.364390]  ? trace_hardirqs_off+0x300/0x300
[  319.368893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.374434]  ? check_preemption_disabled+0x48/0x200
[  319.379449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.385001]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.389858]  apic_timer_interrupt+0xf/0x20
[  319.394087]  </IRQ>
[  319.396351] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  319.401282] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  319.420187] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  319.427928] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  319.435224] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  319.442518] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  319.449793] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  319.457059] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  319.464381]  skb_clone+0x1bb/0x500
[  319.467930]  ? finish_task_switch+0x2f5/0x900
[  319.472427]  ? skb_split+0x11e0/0x11e0
[  319.476317]  ? preempt_notifier_register+0x200/0x200
[  319.481426]  ? __switch_to_asm+0x34/0x70
[  319.485488]  ? __switch_to_asm+0x34/0x70
[  319.489551]  ? __switch_to_asm+0x40/0x70
[  319.493612]  ? __switch_to_asm+0x34/0x70
[  319.497681]  ? __switch_to_asm+0x40/0x70
[  319.501744]  ? __switch_to_asm+0x34/0x70
[  319.505812]  ? __switch_to_asm+0x40/0x70
[  319.509871]  ? __switch_to_asm+0x34/0x70
[  319.513935]  ? __switch_to_asm+0x34/0x70
[  319.517994]  ? __switch_to_asm+0x40/0x70
[  319.522054]  ? __switch_to_asm+0x34/0x70
[  319.526151]  bpf_clone_redirect+0xb9/0x490
[  319.530434]  ? __schedule+0x874/0x1ed0
[  319.534349]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  319.539373]  ? __sched_text_start+0x8/0x8
[  319.543542]  ? lockdep_hardirqs_on+0x421/0x5c0
[  319.548130]  ? retint_kernel+0x2d/0x2d
[  319.552030]  ? trace_hardirqs_on_caller+0xc0/0x300
[  319.556966]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  319.561732]  ? find_held_lock+0x36/0x1c0
[  319.565808]  ? lock_acquire+0x1ed/0x520
[  319.569785]  ? bpf_test_run+0x32e/0x5a0
[  319.573768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.579312]  ? check_preemption_disabled+0x48/0x200
[  319.584338]  ? kasan_check_read+0x11/0x20
[  319.588490]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  319.593768]  ? rcu_bh_qs+0xc0/0xc0
[  319.597317]  ? preempt_schedule+0x4d/0x60
[  319.601467]  ? ___preempt_schedule+0x16/0x18
[  319.605884]  ? bpf_test_run+0x1c0/0x5a0
[  319.609873]  ? netlink_diag_dump+0x2a0/0x2a0
[  319.614287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.619830]  ? bpf_test_init.isra.9+0x70/0x100
[  319.624425]  ? bpf_prog_test_run_skb+0x634/0xb40
[  319.629187]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  319.634031]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  319.639570]  ? fput+0x130/0x1a0
[  319.642856]  ? __bpf_prog_get+0x9b/0x290
[  319.646923]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  319.651774]  ? bpf_prog_test_run+0x130/0x1a0
[  319.656189]  ? __x64_sys_bpf+0x3d8/0x510
[  319.660251]  ? bpf_prog_get+0x20/0x20
[  319.664059]  ? ksys_ioctl+0x81/0xd0
[  319.667704]  ? do_syscall_64+0x1b9/0x820
[  319.671773]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  319.677138]  ? syscall_return_slowpath+0x5e0/0x5e0
[  319.682071]  ? trace_hardirqs_off+0x300/0x300
[  319.686582]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  319.691611]  ? recalc_sigpending_tsk+0x180/0x180
[  319.696389]  ? kasan_check_write+0x14/0x20
[  319.700643]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  319.705504]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  319.710889] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  319.710977] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  319.717825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  319.717831] Call Trace:
[  319.717839]  <IRQ>
[  319.717856]  dump_stack+0x1c4/0x2b4
[  319.717878]  ? dump_stack_print_info.cold.2+0x52/0x52
[  319.724439] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  319.733748]  warn_alloc.cold.118+0xb7/0x1bd
[  319.736307] syz-executor4 cpuset=
[  319.738453]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  319.742057] syz4
[  319.747246]  ? lock_downgrade+0x900/0x900
[  319.757714]  mems_allowed=0
[  319.762035]  ? trace_hardirqs_off+0xb8/0x300
[  319.783718]  ? trace_hardirqs_off+0xb8/0x300
[  319.788139]  __alloc_pages_slowpath+0x2667/0x2d80
[  319.793017]  ? warn_alloc+0x120/0x120
[  319.796823]  ? trace_hardirqs_on+0x310/0x310
[  319.801233]  ? warn_alloc+0x120/0x120
[  319.805038]  ? print_usage_bug+0xc0/0xc0
[  319.809129]  ? warn_alloc+0x120/0x120
[  319.812929]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  319.817953]  ? print_usage_bug+0xc0/0xc0
[  319.822021]  ? __lock_acquire+0x7ec/0x4ec0
[  319.826257]  ? __lock_acquire+0x7ec/0x4ec0
[  319.830520]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  319.836065]  ? should_fail+0x22d/0xd01
[  319.840439]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.845547]  ? __lock_acquire+0x7ec/0x4ec0
[  319.849802]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  319.854905]  ? __lock_acquire+0x7ec/0x4ec0
[  319.859137]  ? should_fail+0x22d/0xd01
[  319.863055]  ? print_usage_bug+0xc0/0xc0
[  319.867124]  ? mark_held_locks+0x130/0x130
[  319.871359]  ? mark_held_locks+0x130/0x130
[  319.875622]  ? graph_lock+0x170/0x170
[  319.880196]  ? print_usage_bug+0xc0/0xc0
[  319.884272]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  319.889035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.894576]  ? check_preemption_disabled+0x48/0x200
[  319.899596]  ? check_preemption_disabled+0x48/0x200
[  319.904621]  ? __lock_is_held+0xb5/0x140
[  319.908693]  __alloc_pages_nodemask+0xa80/0xde0
[  319.913366]  ? graph_lock+0x170/0x170
[  319.917192]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  319.922208]  ? graph_lock+0x170/0x170
[  319.926023]  ? find_held_lock+0x36/0x1c0
[  319.930094]  ? ____cache_alloc_node+0x1c7/0x1e0
[  319.934765]  ? lock_downgrade+0x900/0x900
[  319.938922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.944469]  cache_grow_begin+0x91/0x8c0
[  319.948534]  ? do_raw_spin_unlock+0xa7/0x2f0
[  319.952952]  fallback_alloc+0x203/0x2e0
[  319.956937]  ____cache_alloc_node+0x1c7/0x1e0
[  319.961463]  kmem_cache_alloc_node+0xe3/0x730
[  319.965970]  ? ipv6_get_ifaddr+0x42e/0x620
[  319.970221]  __alloc_skb+0x119/0x770
[  319.973936]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  319.979220]  ? skb_scrub_packet+0x490/0x490
[  319.983541]  ? lock_downgrade+0x900/0x900
[  319.987698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  319.993241]  ? refcount_sub_and_test_checked+0x203/0x310
[  319.998699]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  320.004155]  ? addrconf_rs_timer+0x6f0/0x6f0
[  320.008587]  ndisc_alloc_skb+0x144/0x340
[  320.012654]  ndisc_send_rs+0x331/0x6e0
[  320.016551]  addrconf_rs_timer+0x3c0/0x6f0
[  320.020793]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.025044]  call_timer_fn+0x272/0x920
[  320.028946]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.033189]  ? process_timeout+0x40/0x40
[  320.037253]  ? find_held_lock+0x36/0x1c0
[  320.041329]  ? mark_held_locks+0xc7/0x130
[  320.045486]  ? _raw_spin_unlock_irq+0x27/0x80
[  320.049992]  ? _raw_spin_unlock_irq+0x27/0x80
[  320.054501]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.058750]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  320.063377]  ? trace_hardirqs_on+0xbd/0x310
[  320.067711]  ? kasan_check_read+0x11/0x20
[  320.071863]  ? __run_timers+0x7da/0xc70
[  320.075841]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  320.081303]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.085552]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  320.089792]  __run_timers+0x7e5/0xc70
[  320.093610]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  320.098978]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  320.103998]  ? graph_lock+0x170/0x170
[  320.107832]  ? print_usage_bug+0xc0/0xc0
[  320.111892]  ? lock_release+0x970/0x970
[  320.115885]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  320.121087]  ? find_held_lock+0x36/0x1c0
[  320.125165]  ? graph_lock+0x170/0x170
[  320.128982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.134526]  ? check_preemption_disabled+0x48/0x200
[  320.139558]  ? __lock_is_held+0xb5/0x140
[  320.143622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.149161]  ? check_preemption_disabled+0x48/0x200
[  320.154213]  run_timer_softirq+0x52/0xb0
[  320.158291]  ? rcu_read_lock_sched_held+0x108/0x120
[  320.163309]  __do_softirq+0x30b/0xad8
[  320.167124]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  320.172235]  ? pvclock_read_flags+0x160/0x160
[  320.176752]  ? lapic_next_event+0x5a/0x90
[  320.180916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.186462]  ? check_preemption_disabled+0x48/0x200
[  320.191495]  ? check_preemption_disabled+0x48/0x200
[  320.196520]  ? kvm_clock_read+0x18/0x30
[  320.200495]  ? kvm_sched_clock_read+0x9/0x20
[  320.204913]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.210452]  ? check_preemption_disabled+0x48/0x200
[  320.215485]  irq_exit+0x17f/0x1c0
[  320.218949]  smp_apic_timer_interrupt+0x1cb/0x760
[  320.223798]  ? smp_reschedule_interrupt+0x109/0x650
[  320.228820]  ? smp_call_function_single_interrupt+0x650/0x650
[  320.234706]  ? interrupt_entry+0xb5/0xf0
[  320.238771]  ? trace_hardirqs_off_caller+0xbb/0x300
[  320.243788]  ? trace_hardirqs_off_caller+0xbb/0x300
[  320.248807]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.253674]  ? trace_hardirqs_off+0x300/0x300
[  320.258179]  ? trace_hardirqs_off+0x300/0x300
[  320.262677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.268232]  ? check_preemption_disabled+0x48/0x200
[  320.273247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.278792]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  320.283646]  apic_timer_interrupt+0xf/0x20
[  320.287875]  </IRQ>
[  320.290121] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  320.295420] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  320.314347] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  320.322074] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  320.329351] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  320.336628] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  320.343910] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  320.351181] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  320.358496]  ? arch_local_irq_restore+0x45/0x52
[  320.363218]  dump_stack+0x26a/0x2b4
[  320.366868]  ? dump_stack_print_info.cold.2+0x52/0x52
[  320.372063]  ? mark_held_locks+0x130/0x130
[  320.376299]  ? mark_held_locks+0x130/0x130
[  320.380540]  dump_header+0x27b/0xf72
[  320.384286]  ? pagefault_out_of_memory+0x197/0x197
[  320.389248]  ? mark_held_locks+0x130/0x130
[  320.393489]  ? __lock_acquire+0x7ec/0x4ec0
[  320.397725]  ? mem_cgroup_charge_statistics+0x780/0x780
[  320.403088]  ? print_usage_bug+0xc0/0xc0
[  320.407149]  ? print_usage_bug+0xc0/0xc0
[  320.411223]  ? graph_lock+0x170/0x170
[  320.415058]  ? graph_lock+0x170/0x170
[  320.418872]  ? print_usage_bug+0xc0/0xc0
[  320.422938]  ? print_usage_bug+0xc0/0xc0
[  320.427012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.432558]  ? find_held_lock+0x36/0x1c0
[  320.436632]  ? mark_held_locks+0xc7/0x130
[  320.440790]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  320.445896]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  320.451003]  ? lockdep_hardirqs_on+0x421/0x5c0
[  320.455591]  ? trace_hardirqs_on+0xbd/0x310
[  320.459919]  ? kasan_check_read+0x11/0x20
[  320.464072]  ? ___ratelimit+0x36f/0x655
[  320.468051]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  320.473507]  ? trace_hardirqs_on+0x310/0x310
[  320.477919]  ? lock_downgrade+0x900/0x900
[  320.482074]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  320.487193]  ? ___ratelimit+0xaa/0x655
[  320.491086]  ? idr_get_free+0xec0/0xec0
[  320.495066]  ? kasan_check_write+0x14/0x20
[  320.499304]  ? do_raw_spin_lock+0xc1/0x200
[  320.503551]  oom_kill_process.cold.27+0x10/0x903
[  320.508310]  ? graph_lock+0x170/0x170
[  320.512111]  ? _raw_spin_unlock+0x2c/0x50
[  320.516260]  ? oom_badness+0xe6/0xaa0
[  320.520074]  ? oom_evaluate_task+0x540/0x540
[  320.524495]  ? find_held_lock+0x36/0x1c0
[  320.528570]  ? out_of_memory+0x974/0x14c0
[  320.532725]  ? lock_downgrade+0x900/0x900
[  320.536887]  ? check_preemption_disabled+0x48/0x200
[  320.541915]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  320.547719]  ? kasan_check_read+0x11/0x20
[  320.551875]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  320.557161]  ? rcu_bh_qs+0xc0/0xc0
[  320.560716]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  320.565745]  ? oom_evaluate_task+0x302/0x540
[  320.570161]  out_of_memory+0xa86/0x14c0
[  320.574155]  ? oom_killer_disable+0x3a0/0x3a0
[  320.578684]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  320.583622]  ? __mutex_add_waiter+0x2a0/0x2a0
[  320.588130]  __alloc_pages_slowpath+0x2318/0x2d80
[  320.593020]  ? warn_alloc+0x120/0x120
[  320.596822]  ? __radix_tree_lookup+0x4c0/0x4c0
[  320.601429]  ? find_get_entry+0x2f2/0xc40
[  320.605590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  320.611137]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  320.616084]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.621625]  ? should_fail+0x22d/0xd01
[  320.625521]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  320.630626]  ? __lock_is_held+0xb5/0x140
[  320.634716]  ? __lock_is_held+0xb5/0x140
[  320.638824]  ? find_held_lock+0x36/0x1c0
[  320.642931]  ? ___might_sleep+0x1ed/0x300
[  320.647077]  ? lock_release+0x970/0x970
[  320.651061]  ? arch_local_save_flags+0x40/0x40
[  320.655661]  ? __might_sleep+0x95/0x190
[  320.659652]  __alloc_pages_nodemask+0xa80/0xde0
[  320.664332]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  320.669357]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  320.675178]  ? kasan_check_read+0x11/0x20
[  320.679328]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  320.684610]  ? graph_lock+0x170/0x170
[  320.688453]  ? print_usage_bug+0xc0/0xc0
[  320.692523]  ? graph_lock+0x170/0x170
[  320.696324]  ? graph_lock+0x170/0x170
[  320.700128]  ? __do_page_cache_readahead+0x7ce/0x980
[  320.705246]  ? find_held_lock+0x36/0x1c0
[  320.709314]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  320.714858]  alloc_pages_current+0x10c/0x210
[  320.719280]  ? lock_downgrade+0x900/0x900
[  320.723439]  __page_cache_alloc+0x38f/0x5b0
[  320.727763]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  320.733723]  ? kasan_check_read+0x11/0x20
[  320.737877]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  320.743162]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  320.747844]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.753386]  ? check_preemption_disabled+0x48/0x200
[  320.758414]  filemap_fault+0x1594/0x25f0
[  320.762498]  ? __lock_page_or_retry+0xa00/0xa00
[  320.767215]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  320.773017]  ? kasan_check_read+0x11/0x20
[  320.777178]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  320.782457]  ? rcu_bh_qs+0xc0/0xc0
[  320.786015]  ? print_usage_bug+0xc0/0xc0
[  320.790115]  ? filemap_map_pages+0xdea/0x1980
[  320.794620]  ? print_usage_bug+0xc0/0xc0
[  320.798694]  ? find_get_pages_range_tag+0x1320/0x1320
[  320.803885]  ? print_usage_bug+0xc0/0xc0
[  320.807951]  ? __lock_acquire+0x7ec/0x4ec0
[  320.812191]  ? graph_lock+0x170/0x170
[  320.815992]  ? __sigqueue_free.part.27+0x7d/0xa0
[  320.820758]  ? __lock_acquire+0x7ec/0x4ec0
[  320.825007]  ? lock_acquire+0x1ed/0x520
[  320.828984]  ? ext4_filemap_fault+0x7a/0xad
[  320.833316]  ? lock_release+0x970/0x970
[  320.837293]  ? arch_local_save_flags+0x40/0x40
[  320.841888]  ? mark_held_locks+0x130/0x130
[  320.846153]  ? down_read+0xb0/0x1d0
[  320.849789]  ? ext4_filemap_fault+0x7a/0xad
[  320.854124]  ? __down_interruptible+0x700/0x700
[  320.858800]  ? graph_lock+0x170/0x170
[  320.862607]  ? __sigqueue_free.part.27+0x7d/0xa0
[  320.867373]  ext4_filemap_fault+0x82/0xad
[  320.871532]  __do_fault+0x100/0x6b0
[  320.875162]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  320.880472]  ? print_bad_pte+0x6c0/0x6c0
[  320.884572]  ? pmd_val+0x88/0x100
[  320.888027]  ? add_mm_counter_fast+0xd0/0xd0
[  320.892449]  ? pmd_val+0x88/0x100
[  320.895904]  ? add_mm_counter_fast+0xd0/0xd0
[  320.900319]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.905876]  __handle_mm_fault+0x3709/0x53e0
[  320.910294]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  320.915138]  ? graph_lock+0x170/0x170
[  320.918949]  ? print_usage_bug+0xc0/0xc0
[  320.923018]  ? graph_lock+0x170/0x170
[  320.926818]  ? graph_lock+0x170/0x170
[  320.930639]  ? handle_mm_fault+0x42a/0xc70
[  320.934874]  ? lock_downgrade+0x900/0x900
[  320.939035]  ? check_preemption_disabled+0x48/0x200
[  320.944062]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  320.949886]  ? kasan_check_read+0x11/0x20
[  320.954035]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  320.959318]  ? rcu_bh_qs+0xc0/0xc0
[  320.962878]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  320.968346]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  320.973890]  ? check_preemption_disabled+0x48/0x200
[  320.978918]  handle_mm_fault+0x54f/0xc70
[  320.982991]  ? __handle_mm_fault+0x53e0/0x53e0
[  320.987578]  ? find_vma+0x34/0x190
[  320.991136]  __do_page_fault+0x67d/0xed0
[  320.995210]  ? mm_fault_error+0x380/0x380
[  320.999366]  ? syscall_slow_exit_work+0x520/0x520
[  321.004216]  do_page_fault+0xf2/0x7e0
[  321.008027]  ? vmalloc_sync_all+0x30/0x30
[  321.012198]  ? error_entry+0x70/0xd0
[  321.015920]  ? trace_hardirqs_off_caller+0xbb/0x300
[  321.020934]  ? trace_hardirqs_on_caller+0xc0/0x300
[  321.025864]  ? syscall_return_slowpath+0x5e0/0x5e0
[  321.030799]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.035646]  ? trace_hardirqs_off+0x300/0x300
[  321.040144]  ? trace_hardirqs_off_caller+0x300/0x300
[  321.045274]  ? prepare_exit_to_usermode+0x291/0x3b0
[  321.050295]  ? page_fault+0x8/0x30
[  321.053846]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  321.058694]  ? page_fault+0x8/0x30
[  321.062248]  page_fault+0x1e/0x30
[  321.065698] RIP: 0033:0x45db60
[  321.068897] Code: Bad RIP value.
[  321.072263] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  321.077629] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  321.084900] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  321.092175] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  321.099444] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  321.106723] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  321.114030] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  321.114036] warn_alloc_show_mem: 1 callbacks suppressed
[  321.114043] Mem-Info:
[  321.121235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  321.126607] active_anon:41581 inactive_anon:372 isolated_anon:0
[  321.126607]  active_file:17 inactive_file:16 isolated_file:0
[  321.126607]  unevictable:0 dirty:0 writeback:0 unstable:0
[  321.126607]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  321.126607]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  321.126607]  free:13699 free_pcp:281 free_cma:0
[  321.128981] Call Trace:
[  321.138372] Node 0 active_anon:166324kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:99016kB dirty:0kB writeback:0kB shmem:1516kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 153600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  321.171238]  <IRQ>
[  321.173817] Node 0 
[  321.201429]  dump_stack+0x1c4/0x2b4
[  321.203586] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  321.205795]  ? dump_stack_print_info.cold.2+0x52/0x52
[  321.209391] lowmem_reserve[]: 0
[  321.234916]  warn_alloc.cold.118+0xb7/0x1bd
[  321.240084]  2817
[  321.243360]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  321.247658]  6321
[  321.249728]  ? lock_downgrade+0x900/0x900
[  321.254545]  6321
[  321.256613]  ? trace_hardirqs_off+0xb8/0x300
[  321.260731] Node 0 
[  321.262793]  ? trace_hardirqs_off+0xb8/0x300
[  321.267211] DMA32 free:24992kB min:30048kB low:37560kB high:45072kB active_anon:4096kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2889304kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  321.269431]  __alloc_pages_slowpath+0x2667/0x2d80
[  321.273803] lowmem_reserve[]: 0
[  321.300860]  ? warn_alloc+0x120/0x120
[  321.305666]  0
[  321.308954]  ? warn_alloc+0x120/0x120
[  321.312727]  3503
[  321.314531]  ? print_usage_bug+0xc0/0xc0
[  321.318302]  3503
[  321.320375]  ? warn_alloc+0x120/0x120
[  321.324418] Node 0 
[  321.326482]  ? print_usage_bug+0xc0/0xc0
[  321.330286] Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:162228kB inactive_anon:1488kB active_file:68kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3587728kB mlocked:0kB kernel_stack:5312kB pagetables:1956kB bounce:0kB free_pcp:876kB local_pcp:628kB free_cma:0kB
[  321.332494]  ? __lock_acquire+0x7ec/0x4ec0
[  321.336533] lowmem_reserve[]:
[  321.364922]  ? __lock_acquire+0x7ec/0x4ec0
[  321.369140]  0
[  321.372258]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.376473]  0
[  321.378270]  ? should_fail+0x22d/0xd01
[  321.383793]  0
[  321.385598]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  321.389459]  0
[  321.391263]  ? __lock_acquire+0x7ec/0x4ec0
[  321.398166]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  321.402388] Node 0 DMA: 
[  321.407511]  ? __lock_acquire+0x7ec/0x4ec0
[  321.407522] 1*4kB 
[  321.410182]  ? should_fail+0x22d/0xd01
[  321.410206]  ? mark_held_locks+0x130/0x130
[  321.414418] (U) 
[  321.416569]  ? mark_held_locks+0x130/0x130
[  321.420434] 0*8kB 
[  321.424661]  ? graph_lock+0x170/0x170
[  321.426617] 0*16kB 
[  321.430847]  ? graph_lock+0x170/0x170
[  321.432978] 1*32kB 
[  321.436775]  ? graph_lock+0x170/0x170
[  321.438999] (U) 
[  321.442806]  ? print_usage_bug+0xc0/0xc0
[  321.445023] 2*64kB 
[  321.448823]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.450775] (U) 
[  321.454833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.457045] 1*128kB (U) 
[  321.462597]  ? check_preemption_disabled+0x48/0x200
[  321.464549] 1*256kB 
[  321.470084]  ? check_preemption_disabled+0x48/0x200
[  321.472730] (U) 
[  321.477751]  ? __lock_is_held+0xb5/0x140
[  321.480052] 0*512kB 
[  321.485067]  __alloc_pages_nodemask+0xa80/0xde0
[  321.487018] 1*1024kB 
[  321.491072]  ? graph_lock+0x170/0x170
[  321.493371] (U) 
[  321.498042]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  321.500426] 1*2048kB (M) 
[  321.504227]  ? graph_lock+0x170/0x170
[  321.506213] 3*4096kB 
[  321.511229]  ? find_held_lock+0x36/0x1c0
[  321.513958] (M) 
[  321.517761]  ? ____cache_alloc_node+0x1c7/0x1e0
[  321.520138] = 15908kB
[  321.520147] Node 0 
[  321.524208]  ? lock_downgrade+0x900/0x900
[  321.526153] DMA32: 2*4kB 
[  321.530831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.533216] (M) 
[  321.535469]  cache_grow_begin+0x91/0x8c0
[  321.539582] 1*8kB (U) 
[  321.542356]  ? do_raw_spin_unlock+0xa7/0x2f0
[  321.547877] 3*16kB 
[  321.549858]  fallback_alloc+0x203/0x2e0
[  321.553892] (M) 
[  321.556407]  ____cache_alloc_node+0x1c7/0x1e0
[  321.560776] 1*32kB (M) 
[  321.563032]  kmem_cache_alloc_node+0xe3/0x730
[  321.566975] 3*64kB (UM) 
[  321.568965]  ? ipv6_get_ifaddr+0x42e/0x620
[  321.573433] 3*128kB (M) 
[  321.576031]  __alloc_skb+0x119/0x770
[  321.580494] 3*256kB (UM) 
[  321.583177]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  321.587406] 4*512kB (UM) 
[  321.590086]  ? skb_scrub_packet+0x490/0x490
[  321.593769] 3*1024kB (M) 
[  321.596535]  ? lock_downgrade+0x900/0x900
[  321.601784] 1*2048kB (U) 
[  321.604565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.608853] 4*4096kB (M) 
[  321.611621]  ? refcount_sub_and_test_checked+0x203/0x310
[  321.615737] = 24992kB
[  321.615746] Node 0 
[  321.618504]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  321.624014] Normal: 882*4kB 
[  321.626784]  ? addrconf_rs_timer+0x6f0/0x6f0
[  321.632205] (UME) 
[  321.634631]  ndisc_alloc_skb+0x144/0x340
[  321.636830] 426*8kB (MEH) 
[  321.642324]  ndisc_send_rs+0x331/0x6e0
[  321.645289] 175*16kB (UME) 
[  321.649714]  addrconf_rs_timer+0x3c0/0x6f0
[  321.651834] 71*32kB (UMEH) 
[  321.655904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.658728] 10*64kB 
[  321.662621]  call_timer_fn+0x272/0x920
[  321.665544] (UMH) 
[  321.669782]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.672701] 2*128kB 
[  321.676933]  ? process_timeout+0x40/0x40
[  321.679230] (H) 
[  321.683115]  ? find_held_lock+0x36/0x1c0
[  321.685273] 0*256kB 
[  321.689508]  ? __run_timers+0x7da/0xc70
[  321.691805] 2*512kB 
[  321.695861]  ? _raw_spin_unlock_irq+0x27/0x80
[  321.697817] (UH) 
[  321.701876]  ? _raw_spin_unlock_irq+0x27/0x80
[  321.704182] 0*1024kB 0*2048kB 
[  321.708171]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.710478] 0*4096kB 
[  321.714983]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  321.717017] = 13928kB
[  321.721518]  ? trace_hardirqs_on+0xbd/0x310
[  321.724694] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  321.728920]  ? kasan_check_read+0x11/0x20
[  321.731311] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  321.735885]  ? __run_timers+0x7da/0xc70
[  321.738287] 412 total pagecache pages
[  321.742638]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  321.751467] 0 pages in swap cache
[  321.755618]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.764174] Swap cache stats: add 0, delete 0, find 0/0
[  321.768153]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  321.771929] Free swap  = 0kB
[  321.777395]  __run_timers+0x7e5/0xc70
[  321.780819] Total swap = 0kB
[  321.785059]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  321.790392] 1965979 pages RAM
[  321.794627]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  321.797620] 0 pages HighMem/MovableOnly
[  321.801425]  ? graph_lock+0x170/0x170
[  321.804417] 342744 pages reserved
[  321.804426] 0 pages cma reserved
[  321.809784]  ? enqueue_hrtimer+0x1a5/0x560
[  321.812943] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  321.817870]  ? lock_release+0x970/0x970
[  321.817886]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  321.817908]  ? find_held_lock+0x36/0x1c0
[  321.821929] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  321.825660]  ? graph_lock+0x170/0x170
[  321.829096] syz-fuzzer cpuset=
[  321.832459]  ? pvclock_read_flags+0x160/0x160
[  321.836670] / mems_allowed=0
[  321.843365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.886793]  ? check_preemption_disabled+0x48/0x200
[  321.891831]  ? __lock_is_held+0xb5/0x140
[  321.895900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.901445]  ? check_preemption_disabled+0x48/0x200
[  321.906495]  run_timer_softirq+0x52/0xb0
[  321.910561]  ? rcu_read_lock_sched_held+0x108/0x120
[  321.915580]  __do_softirq+0x30b/0xad8
[  321.919482]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  321.924597]  ? pvclock_read_flags+0x160/0x160
[  321.929091]  ? lapic_next_event+0x5a/0x90
[  321.933242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.938786]  ? check_preemption_disabled+0x48/0x200
[  321.943815]  ? check_preemption_disabled+0x48/0x200
[  321.948838]  ? kvm_clock_read+0x18/0x30
[  321.952814]  ? kvm_sched_clock_read+0x9/0x20
[  321.957228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.962768]  ? check_preemption_disabled+0x48/0x200
[  321.967802]  irq_exit+0x17f/0x1c0
[  321.971267]  smp_apic_timer_interrupt+0x1cb/0x760
[  321.976110]  ? smp_reschedule_interrupt+0x109/0x650
[  321.981129]  ? smp_call_function_single_interrupt+0x650/0x650
[  321.987034]  ? interrupt_entry+0xb5/0xf0
[  321.991100]  ? trace_hardirqs_off_caller+0xbb/0x300
[  321.996117]  ? trace_hardirqs_off_caller+0xbb/0x300
[  322.001141]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.005995]  ? trace_hardirqs_off+0x300/0x300
[  322.010489]  ? trace_hardirqs_off+0x300/0x300
[  322.014990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.020548]  ? check_preemption_disabled+0x48/0x200
[  322.025565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.031122]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.035979]  apic_timer_interrupt+0xf/0x20
[  322.040208]  </IRQ>
[  322.042452] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  322.047384] Code: 7e 0f 85 cf fe ff ff e8 06 a4 3e ff e9 c5 fe ff ff e8 1d 01 c3 ff 48 83 3d bd 4f 90 07 00 0f 84 3b 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 9a 46
[  322.066284] RSP: 0000:ffff8801c76af748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  322.074010] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  322.081277] RDX: 0000000000000000 RSI: ffff8801c2302980 RDI: 0000000000000282
[  322.088546] RBP: ffff8801c76af7b0 R08: ffff8801c2302100 R09: 0000000000000000
[  322.095825] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  322.103099] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020
[  322.110418]  skb_clone+0x1bb/0x500
[  322.113970]  ? finish_task_switch+0x2f5/0x900
[  322.118472]  ? skb_split+0x11e0/0x11e0
[  322.122363]  ? preempt_notifier_register+0x200/0x200
[  322.127469]  ? __switch_to_asm+0x34/0x70
[  322.131531]  ? __switch_to_asm+0x34/0x70
[  322.135592]  ? __switch_to_asm+0x40/0x70
[  322.139650]  ? __switch_to_asm+0x34/0x70
[  322.143719]  ? __switch_to_asm+0x40/0x70
[  322.147783]  ? __switch_to_asm+0x34/0x70
[  322.151844]  ? __switch_to_asm+0x40/0x70
[  322.155905]  ? __switch_to_asm+0x34/0x70
[  322.159968]  ? __switch_to_asm+0x34/0x70
[  322.164026]  ? __switch_to_asm+0x40/0x70
[  322.168084]  ? __switch_to_asm+0x34/0x70
[  322.172155]  bpf_clone_redirect+0xb9/0x490
[  322.176395]  ? __schedule+0x874/0x1ed0
[  322.180293]  bpf_prog_bebbfe2050753572+0x720/0x1000
[  322.185313]  ? __sched_text_start+0x8/0x8
[  322.189474]  ? lockdep_hardirqs_on+0x421/0x5c0
[  322.194065]  ? retint_kernel+0x2d/0x2d
[  322.197986]  ? trace_hardirqs_on_caller+0xc0/0x300
[  322.202929]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  322.207697]  ? find_held_lock+0x36/0x1c0
[  322.211767]  ? lock_acquire+0x1ed/0x520
[  322.215742]  ? bpf_test_run+0x32e/0x5a0
[  322.219718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.225258]  ? check_preemption_disabled+0x48/0x200
[  322.230290]  ? kasan_check_read+0x11/0x20
[  322.234441]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  322.239719]  ? rcu_bh_qs+0xc0/0xc0
[  322.243263]  ? preempt_schedule+0x4d/0x60
[  322.247435]  ? ___preempt_schedule+0x16/0x18
[  322.251867]  ? bpf_test_run+0x1c0/0x5a0
[  322.255862]  ? netlink_diag_dump+0x2a0/0x2a0
[  322.260280]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.265817]  ? bpf_test_init.isra.9+0x70/0x100
[  322.270405]  ? bpf_prog_test_run_skb+0x634/0xb40
[  322.275196]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  322.280073]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  322.285622]  ? fput+0x130/0x1a0
[  322.288905]  ? __bpf_prog_get+0x9b/0x290
[  322.292978]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  322.297824]  ? bpf_prog_test_run+0x130/0x1a0
[  322.302237]  ? __x64_sys_bpf+0x3d8/0x510
[  322.306314]  ? bpf_prog_get+0x20/0x20
[  322.310147]  ? ksys_ioctl+0x81/0xd0
[  322.313789]  ? do_syscall_64+0x1b9/0x820
[  322.317857]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  322.323222]  ? syscall_return_slowpath+0x5e0/0x5e0
[  322.328155]  ? trace_hardirqs_off+0x300/0x300
[  322.332657]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  322.337685]  ? recalc_sigpending_tsk+0x180/0x180
[  322.342449]  ? kasan_check_write+0x14/0x20
[  322.346694]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.351550]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  322.356940] CPU: 1 PID: 5325 Comm: syz-fuzzer Not tainted 4.19.0-rc2+ #50
[  322.357028] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  322.363878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  322.363888] Call Trace:
[  322.370521] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  322.379719]  <IRQ>
[  322.382298] syz-executor4 cpuset=
[  322.392780]  dump_stack+0x1c4/0x2b4
[  322.394906] syz4
[  322.398351]  ? dump_stack_print_info.cold.2+0x52/0x52
[  322.401965]  mems_allowed=0
[  322.403943]  warn_alloc.cold.118+0xb7/0x1bd
[  322.416351]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  322.421209]  ? lock_downgrade+0x900/0x900
[  322.425367]  ? trace_hardirqs_off+0xb8/0x300
[  322.429790]  ? trace_hardirqs_off+0xb8/0x300
[  322.434210]  __alloc_pages_slowpath+0x2667/0x2d80
[  322.439086]  ? warn_alloc+0x120/0x120
[  322.442895]  ? warn_alloc+0x120/0x120
[  322.446706]  ? print_usage_bug+0xc0/0xc0
[  322.450770]  ? warn_alloc+0x120/0x120
[  322.454581]  ? print_usage_bug+0xc0/0xc0
[  322.458660]  ? __lock_acquire+0x7ec/0x4ec0
[  322.462895]  ? __lock_acquire+0x7ec/0x4ec0
[  322.467138]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.472683]  ? should_fail+0x22d/0xd01
[  322.476580]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  322.481686]  ? __lock_acquire+0x7ec/0x4ec0
[  322.485929]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  322.491047]  ? __lock_acquire+0x7ec/0x4ec0
[  322.495333]  ? should_fail+0x22d/0xd01
[  322.499234]  ? mark_held_locks+0x130/0x130
[  322.503488]  ? mark_held_locks+0x130/0x130
[  322.507725]  ? graph_lock+0x170/0x170
[  322.511528]  ? graph_lock+0x170/0x170
[  322.515334]  ? graph_lock+0x170/0x170
[  322.519136]  ? print_usage_bug+0xc0/0xc0
[  322.523203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.528741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.534287]  ? check_preemption_disabled+0x48/0x200
[  322.539305]  ? check_preemption_disabled+0x48/0x200
[  322.544334]  ? __lock_is_held+0xb5/0x140
[  322.548422]  __alloc_pages_nodemask+0xa80/0xde0
[  322.553111]  ? graph_lock+0x170/0x170
[  322.556930]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  322.561943]  ? graph_lock+0x170/0x170
[  322.565754]  ? find_held_lock+0x36/0x1c0
[  322.569830]  ? ____cache_alloc_node+0x1c7/0x1e0
[  322.574508]  ? lock_downgrade+0x900/0x900
[  322.578670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.584220]  cache_grow_begin+0x91/0x8c0
[  322.588286]  ? do_raw_spin_unlock+0xa7/0x2f0
[  322.592705]  fallback_alloc+0x203/0x2e0
[  322.596691]  ____cache_alloc_node+0x1c7/0x1e0
[  322.601218]  kmem_cache_alloc_node+0xe3/0x730
[  322.605718]  ? ipv6_get_ifaddr+0x42e/0x620
[  322.609964]  __alloc_skb+0x119/0x770
[  322.613682]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  322.618965]  ? skb_scrub_packet+0x490/0x490
[  322.623287]  ? lock_downgrade+0x900/0x900
[  322.627437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.632999]  ? refcount_sub_and_test_checked+0x203/0x310
[  322.638458]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  322.643913]  ? addrconf_rs_timer+0x6f0/0x6f0
[  322.648342]  ndisc_alloc_skb+0x144/0x340
[  322.652428]  ndisc_send_rs+0x331/0x6e0
[  322.656327]  addrconf_rs_timer+0x3c0/0x6f0
[  322.660569]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.664819]  call_timer_fn+0x272/0x920
[  322.668709]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.672950]  ? process_timeout+0x40/0x40
[  322.677011]  ? find_held_lock+0x36/0x1c0
[  322.681083]  ? mark_held_locks+0xc7/0x130
[  322.685241]  ? _raw_spin_unlock_irq+0x27/0x80
[  322.689741]  ? _raw_spin_unlock_irq+0x27/0x80
[  322.694240]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.698478]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  322.703064]  ? trace_hardirqs_on+0xbd/0x310
[  322.707397]  ? kasan_check_read+0x11/0x20
[  322.711549]  ? __run_timers+0x7da/0xc70
[  322.715534]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  322.720994]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.725239]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  322.729476]  __run_timers+0x7e5/0xc70
[  322.733456]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  322.738828]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  322.743843]  ? graph_lock+0x170/0x170
[  322.747659]  ? print_usage_bug+0xc0/0xc0
[  322.751720]  ? lock_release+0x970/0x970
[  322.755705]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  322.760902]  ? find_held_lock+0x36/0x1c0
[  322.764969]  ? graph_lock+0x170/0x170
[  322.768779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.774322]  ? check_preemption_disabled+0x48/0x200
[  322.779365]  ? __lock_is_held+0xb5/0x140
[  322.783442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.788985]  ? check_preemption_disabled+0x48/0x200
[  322.794014]  run_timer_softirq+0x52/0xb0
[  322.798079]  ? rcu_read_lock_sched_held+0x108/0x120
[  322.803106]  __do_softirq+0x30b/0xad8
[  322.806929]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  322.812067]  ? pvclock_read_flags+0x160/0x160
[  322.816565]  ? lapic_next_event+0x5a/0x90
[  322.820715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.826271]  ? check_preemption_disabled+0x48/0x200
[  322.831296]  ? check_preemption_disabled+0x48/0x200
[  322.836323]  ? kvm_clock_read+0x18/0x30
[  322.840301]  ? kvm_sched_clock_read+0x9/0x20
[  322.844729]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.850280]  ? check_preemption_disabled+0x48/0x200
[  322.855316]  irq_exit+0x17f/0x1c0
[  322.858777]  smp_apic_timer_interrupt+0x1cb/0x760
[  322.863620]  ? smp_reschedule_interrupt+0x109/0x650
[  322.868640]  ? smp_call_function_single_interrupt+0x650/0x650
[  322.874532]  ? interrupt_entry+0xb5/0xf0
[  322.878603]  ? trace_hardirqs_off_caller+0xbb/0x300
[  322.883625]  ? trace_hardirqs_off_caller+0xbb/0x300
[  322.888654]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.893502]  ? trace_hardirqs_off+0x300/0x300
[  322.897998]  ? trace_hardirqs_off+0x300/0x300
[  322.902501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.908067]  ? check_preemption_disabled+0x48/0x200
[  322.913090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.918639]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.923497]  apic_timer_interrupt+0xf/0x20
[  322.927729]  </IRQ>
[  322.929999] RIP: 0010:arch_local_irq_restore+0x4a/0x52
[  322.935287] Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 e9 3a 0a fa 48 83 3d e9 31 9a 01 00 75 07 e8 6a d7 c6 f9 0f 0b e8 63 d7 c6 f9 48 89 df 57 9d <0f> 1f 44 00 00 5b 5d c3 4c 89 45 d0 e8 9d 3a 0a fa 4c 8b 45 d0 e9
[  322.954210] RSP: 0000:ffff8801bb79e238 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  322.961931] RAX: ffff8801d935a700 RBX: 0000000000000293 RCX: 1ffff1003b26b5fe
[  322.969206] RDX: 0000000000000000 RSI: ffffffff87b7f7cd RDI: 0000000000000293
[  322.976480] RBP: ffff8801bb79e240 R08: ffff8801d935aff0 R09: 0000000000000006
[  322.983750] R10: 0000000000000000 R11: ffff8801d935a700 R12: 0000000000000293
[  322.991744] R13: 0000000000000200 R14: 0000000000000001 R15: ffffffff895229a0
[  322.999047]  ? arch_local_irq_restore+0x45/0x52
[  323.003748]  dump_stack+0x26a/0x2b4
[  323.007383]  ? dump_stack_print_info.cold.2+0x52/0x52
[  323.012584]  ? mark_held_locks+0x130/0x130
[  323.016822]  ? mark_held_locks+0x130/0x130
[  323.021077]  dump_header+0x27b/0xf72
[  323.024804]  ? pagefault_out_of_memory+0x197/0x197
[  323.029739]  ? mark_held_locks+0x130/0x130
[  323.033974]  ? __lock_acquire+0x7ec/0x4ec0
[  323.038215]  ? mem_cgroup_charge_statistics+0x780/0x780
[  323.043578]  ? print_usage_bug+0xc0/0xc0
[  323.047644]  ? print_usage_bug+0xc0/0xc0
[  323.051714]  ? graph_lock+0x170/0x170
[  323.055513]  ? graph_lock+0x170/0x170
[  323.059315]  ? print_usage_bug+0xc0/0xc0
[  323.063377]  ? print_usage_bug+0xc0/0xc0
[  323.067462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.073009]  ? find_held_lock+0x36/0x1c0
[  323.077105]  ? mark_held_locks+0xc7/0x130
[  323.081258]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  323.086361]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  323.091481]  ? lockdep_hardirqs_on+0x421/0x5c0
[  323.096069]  ? trace_hardirqs_on+0xbd/0x310
[  323.100393]  ? kasan_check_read+0x11/0x20
[  323.104551]  ? ___ratelimit+0x36f/0x655
[  323.108529]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  323.113982]  ? trace_hardirqs_on+0x310/0x310
[  323.118389]  ? lock_downgrade+0x900/0x900
[  323.122546]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  323.127654]  ? ___ratelimit+0xaa/0x655
[  323.131545]  ? idr_get_free+0xec0/0xec0
[  323.135525]  ? kasan_check_write+0x14/0x20
[  323.139764]  ? do_raw_spin_lock+0xc1/0x200
[  323.144011]  oom_kill_process.cold.27+0x10/0x903
[  323.148772]  ? graph_lock+0x170/0x170
[  323.152575]  ? _raw_spin_unlock+0x2c/0x50
[  323.156726]  ? oom_badness+0xe6/0xaa0
[  323.160545]  ? oom_evaluate_task+0x540/0x540
[  323.164961]  ? find_held_lock+0x36/0x1c0
[  323.169030]  ? out_of_memory+0x974/0x14c0
[  323.173183]  ? lock_downgrade+0x900/0x900
[  323.177338]  ? check_preemption_disabled+0x48/0x200
[  323.182363]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  323.188175]  ? kasan_check_read+0x11/0x20
[  323.192326]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  323.197604]  ? rcu_bh_qs+0xc0/0xc0
[  323.201149]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  323.206181]  ? oom_evaluate_task+0x302/0x540
[  323.210600]  out_of_memory+0xa86/0x14c0
[  323.214609]  ? oom_killer_disable+0x3a0/0x3a0
[  323.219110]  ? __alloc_pages_slowpath+0xe76/0x2d80
[  323.224045]  ? __mutex_add_waiter+0x2a0/0x2a0
[  323.228558]  __alloc_pages_slowpath+0x2318/0x2d80
[  323.233432]  ? warn_alloc+0x120/0x120
[  323.237240]  ? __radix_tree_lookup+0x4c0/0x4c0
[  323.241839]  ? find_get_entry+0x2f2/0xc40
[  323.246013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  323.251566]  ? add_to_page_cache_lru+0x10b0/0x10b0
[  323.256498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.262041]  ? should_fail+0x22d/0xd01
[  323.265943]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  323.271048]  ? __lock_is_held+0xb5/0x140
[  323.275137]  ? __lock_is_held+0xb5/0x140
[  323.279215]  ? find_held_lock+0x36/0x1c0
[  323.283285]  ? ___might_sleep+0x1ed/0x300
[  323.287433]  ? lock_release+0x970/0x970
[  323.291417]  ? arch_local_save_flags+0x40/0x40
[  323.296013]  ? __might_sleep+0x95/0x190
[  323.300000]  __alloc_pages_nodemask+0xa80/0xde0
[  323.304681]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  323.309710]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  323.315513]  ? kasan_check_read+0x11/0x20
[  323.319663]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  323.324949]  ? graph_lock+0x170/0x170
[  323.328756]  ? print_usage_bug+0xc0/0xc0
[  323.332824]  ? graph_lock+0x170/0x170
[  323.336626]  ? graph_lock+0x170/0x170
[  323.340435]  ? __do_page_cache_readahead+0x7ce/0x980
[  323.345546]  ? find_held_lock+0x36/0x1c0
[  323.349617]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  323.355189]  alloc_pages_current+0x10c/0x210
[  323.359596]  ? lock_downgrade+0x900/0x900
[  323.363753]  __page_cache_alloc+0x38f/0x5b0
[  323.368075]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  323.373874]  ? kasan_check_read+0x11/0x20
[  323.378024]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  323.383309]  ? __filemap_set_wb_err+0x3b0/0x3b0
[  323.387983]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.393529]  ? check_preemption_disabled+0x48/0x200
[  323.398556]  filemap_fault+0x1594/0x25f0
[  323.402641]  ? __lock_page_or_retry+0xa00/0xa00
[  323.407318]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  323.413123]  ? kasan_check_read+0x11/0x20
[  323.417292]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  323.422581]  ? rcu_bh_qs+0xc0/0xc0
[  323.426133]  ? print_usage_bug+0xc0/0xc0
[  323.430214]  ? filemap_map_pages+0xdea/0x1980
[  323.434720]  ? print_usage_bug+0xc0/0xc0
[  323.438798]  ? find_get_pages_range_tag+0x1320/0x1320
[  323.443998]  ? print_usage_bug+0xc0/0xc0
[  323.448064]  ? __lock_acquire+0x7ec/0x4ec0
[  323.452302]  ? graph_lock+0x170/0x170
[  323.456108]  ? __sigqueue_free.part.27+0x7d/0xa0
[  323.460875]  ? __lock_acquire+0x7ec/0x4ec0
[  323.465127]  ? lock_acquire+0x1ed/0x520
[  323.469102]  ? ext4_filemap_fault+0x7a/0xad
[  323.473435]  ? lock_release+0x970/0x970
[  323.477412]  ? arch_local_save_flags+0x40/0x40
[  323.482003]  ? mark_held_locks+0x130/0x130
[  323.486258]  ? down_read+0xb0/0x1d0
[  323.489889]  ? ext4_filemap_fault+0x7a/0xad
[  323.494216]  ? __down_interruptible+0x700/0x700
[  323.498891]  ? graph_lock+0x170/0x170
[  323.502698]  ? __sigqueue_free.part.27+0x7d/0xa0
[  323.507475]  ext4_filemap_fault+0x82/0xad
[  323.511632]  __do_fault+0x100/0x6b0
[  323.515263]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  323.520551]  ? print_bad_pte+0x6c0/0x6c0
[  323.524623]  ? pmd_val+0x88/0x100
[  323.528083]  ? add_mm_counter_fast+0xd0/0xd0
[  323.532496]  ? pmd_val+0x88/0x100
[  323.535951]  ? add_mm_counter_fast+0xd0/0xd0
[  323.540368]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.545924]  __handle_mm_fault+0x3709/0x53e0
[  323.550347]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[  323.555208]  ? graph_lock+0x170/0x170
[  323.559012]  ? print_usage_bug+0xc0/0xc0
[  323.563100]  ? graph_lock+0x170/0x170
[  323.566903]  ? graph_lock+0x170/0x170
[  323.570728]  ? handle_mm_fault+0x42a/0xc70
[  323.574971]  ? lock_downgrade+0x900/0x900
[  323.579125]  ? check_preemption_disabled+0x48/0x200
[  323.584151]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  323.589956]  ? kasan_check_read+0x11/0x20
[  323.594141]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  323.599427]  ? rcu_bh_qs+0xc0/0xc0
[  323.602987]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  323.608475]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  323.614024]  ? check_preemption_disabled+0x48/0x200
[  323.619232]  handle_mm_fault+0x54f/0xc70
[  323.623308]  ? __handle_mm_fault+0x53e0/0x53e0
[  323.627904]  ? find_vma+0x34/0x190
[  323.631458]  __do_page_fault+0x67d/0xed0
[  323.635533]  ? mm_fault_error+0x380/0x380
[  323.639692]  ? syscall_slow_exit_work+0x520/0x520
[  323.644567]  do_page_fault+0xf2/0x7e0
[  323.648387]  ? vmalloc_sync_all+0x30/0x30
[  323.652545]  ? error_entry+0x70/0xd0
[  323.656266]  ? trace_hardirqs_off_caller+0xbb/0x300
[  323.661293]  ? trace_hardirqs_on_caller+0xc0/0x300
[  323.666228]  ? syscall_return_slowpath+0x5e0/0x5e0
[  323.671159]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.676020]  ? trace_hardirqs_off+0x300/0x300
[  323.680517]  ? trace_hardirqs_off_caller+0x300/0x300
[  323.685639]  ? prepare_exit_to_usermode+0x291/0x3b0
[  323.690661]  ? page_fault+0x8/0x30
[  323.694214]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  323.699061]  ? page_fault+0x8/0x30
[  323.702608]  page_fault+0x1e/0x30
[  323.706061] RIP: 0033:0x45db60
[  323.709263] Code: Bad RIP value.
[  323.712624] RSP: 002b:000000c420151ab8 EFLAGS: 00010286
[  323.717988] RAX: 0000000000000000 RBX: 000000c420026e00 RCX: 000000000045ddf3
[  323.725255] RDX: 000000c420151ac0 RSI: 000000c420151bf0 RDI: 0000000000000011
[  323.732543] RBP: 000000c42013bf18 R08: 0000000000000000 R09: 0000000000000000
[  323.739818] R10: 0000000000000000 R11: 0000000000000286 R12: 000000c4264ab000
[  323.747095] R13: 00000000008a9f5b R14: 0000000000000032 R15: 0000000000000000
[  323.754388] warn_alloc_show_mem: 1 callbacks suppressed
[  323.754400] CPU: 0 PID: 8495 Comm: syz-executor4 Not tainted 4.19.0-rc2+ #50
[  323.754403] Mem-Info:
[  323.754434] active_anon:41581 inactive_anon:372 isolated_anon:0
[  323.754434]  active_file:17 inactive_file:16 isolated_file:0
[  323.754434]  unevictable:0 dirty:0 writeback:0 unstable:0
[  323.754434]  slab_reclaimable:9069 slab_unreclaimable:1479769
[  323.754434]  mapped:24754 shmem:379 pagetables:489 bounce:0
[  323.754434]  free:13699 free_pcp:281 free_cma:0
[  323.759779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  323.759788] Call Trace: