fo.cold.1+0x20/0x20
[  207.443915]  warn_alloc.cold.116+0xb7/0x1bd
[  207.448248]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  207.453098]  ? lock_downgrade+0x900/0x900
[  207.457265]  ? trace_hardirqs_off+0xb8/0x310
[  207.461688]  ? trace_hardirqs_off+0xb8/0x310
[  207.466120]  __alloc_pages_slowpath+0x26e8/0x2e10
[  207.470995]  ? warn_alloc+0x120/0x120
[  207.474804]  ? warn_alloc+0x120/0x120
[  207.478616]  ? warn_alloc+0x120/0x120
[  207.482428]  ? print_usage_bug+0xc0/0xc0
[  207.486494]  ? print_usage_bug+0xc0/0xc0
[  207.490563]  ? mark_held_locks+0x130/0x130
[  207.494803]  ? check_preemption_disabled+0x48/0x280
[  207.499825]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  207.504328]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  207.509891]  ? should_fail+0x22d/0xd01
[  207.513782]  ? kasan_check_read+0x11/0x20
[  207.517935]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  207.523047]  ? __lock_acquire+0x62f/0x4c20
[  207.527307]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  207.532415]  ? should_fail+0x22d/0xd01
[  207.536305]  ? zap_class+0x640/0x640
[  207.540034]  ? mark_held_locks+0x130/0x130
[  207.544279]  ? mark_held_locks+0x130/0x130
[  207.548522]  ? zap_class+0x640/0x640
[  207.552257]  ? zap_class+0x640/0x640
[  207.555973]  ? up+0xea/0x1c0
[  207.559001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.564549]  ? check_preemption_disabled+0x48/0x280
[  207.569580]  ? __lock_is_held+0xb5/0x140
[  207.573655]  __alloc_pages_nodemask+0xa80/0xde0
[  207.578332]  ? zap_class+0x640/0x640
[  207.582056]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  207.587085]  ? find_held_lock+0x36/0x1c0
[  207.591167]  ? ____cache_alloc_node+0x1c7/0x1e0
[  207.595844]  ? lock_downgrade+0x900/0x900
[  207.600008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.605559]  cache_grow_begin+0xa5/0x8c0
[  207.607209] kworker/0:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  207.609623]  ? do_raw_spin_unlock+0xa7/0x330
[  207.619923] kworker/0:3 cpuset=/ mems_allowed=0
[  207.624333]  fallback_alloc+0x204/0x2e0
[  207.633277]  ____cache_alloc_node+0x1c7/0x1e0
[  207.637779]  kmem_cache_alloc_node+0xe3/0x730
[  207.642272]  ? lockdep_hardirqs_on+0x296/0x5b0
[  207.646867]  __alloc_skb+0x119/0x770
[  207.650768]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  207.656136]  ? netdev_alloc_frag+0x1f0/0x1f0
[  207.660546]  ? vprintk_default+0x28/0x30
[  207.664602]  ? vprintk_func+0x85/0x181
[  207.668486]  ? printk+0xa7/0xcf
[  207.671762]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  207.676524]  new_skb+0x26/0x1c0
[  207.679803]  aoecmd_cfg+0x279/0x7f0
[  207.683431]  ? find_held_lock+0x36/0x1c0
[  207.687494]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  207.691824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.697369]  ? __lock_is_held+0xb5/0x140
[  207.701439]  discover_timer+0x50/0x60
[  207.705251]  call_timer_fn+0x272/0x920
[  207.709148]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  207.713988]  ? process_timeout+0x40/0x40
[  207.718050]  ? __run_timers+0x7da/0xc70
[  207.722025]  ? _raw_spin_unlock_irq+0x27/0x80
[  207.726513]  ? _raw_spin_unlock_irq+0x27/0x80
[  207.731001]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  207.735863]  ? lockdep_hardirqs_on+0x296/0x5b0
[  207.740442]  ? trace_hardirqs_on+0xbd/0x310
[  207.744761]  ? kasan_check_read+0x11/0x20
[  207.748901]  ? __run_timers+0x7da/0xc70
[  207.752873]  ? trace_hardirqs_off_caller+0x310/0x310
[  207.757985]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  207.762824]  __run_timers+0x7e5/0xc70
[  207.766632]  ? timer_fixup_init+0x70/0x70
[  207.770867]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  207.775882]  ? zap_class+0x640/0x640
[  207.779594]  ? enqueue_hrtimer+0x1a5/0x560
[  207.783830]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  207.789028]  ? find_held_lock+0x36/0x1c0
[  207.793095]  ? zap_class+0x640/0x640
[  207.796809]  ? pvclock_read_flags+0x160/0x160
[  207.801305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.806859]  ? check_preemption_disabled+0x48/0x280
[  207.811879]  ? __lock_is_held+0xb5/0x140
[  207.815941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.821476]  ? check_preemption_disabled+0x48/0x280
[  207.826491]  run_timer_softirq+0x52/0xb0
[  207.830553]  ? rcu_read_lock_sched_held+0x14f/0x180
[  207.835567]  __do_softirq+0x308/0xb7e
[  207.839368]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  207.843859]  ? lock_downgrade+0x900/0x900
[  207.848008]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  207.853114]  ? pvclock_read_flags+0x160/0x160
[  207.857609]  ? lapic_next_event+0x5a/0x90
[  207.861755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.867295]  ? kvm_clock_read+0x18/0x30
[  207.871264]  ? kvm_sched_clock_read+0x9/0x20
[  207.875677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.881229]  ? check_preemption_disabled+0x48/0x280
[  207.886249]  irq_exit+0x17f/0x1c0
[  207.889699]  smp_apic_timer_interrupt+0x1cb/0x760
[  207.894534]  ? smp_reschedule_interrupt+0x109/0x650
[  207.899547]  ? smp_call_function_single_interrupt+0x650/0x650
[  207.905427]  ? interrupt_entry+0xb5/0xc0
[  207.909488]  ? trace_hardirqs_off_caller+0xbb/0x310
[  207.914498]  ? trace_hardirqs_off_caller+0xbb/0x310
[  207.919511]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  207.924447]  ? trace_hardirqs_on_caller+0x310/0x310
[  207.929457]  ? trace_hardirqs_on_caller+0x310/0x310
[  207.934468]  ? task_prio+0x50/0x50
[  207.938003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  207.943536]  ? check_preemption_disabled+0x48/0x280
[  207.948554]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  207.953402]  apic_timer_interrupt+0xf/0x20
[  207.957625]  </IRQ>
[  207.959861] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  207.964789] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  207.983688] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  207.991392] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  207.998658] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  208.005926] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  208.013211] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  208.020481] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  208.027783]  skb_clone+0x1bb/0x500
[  208.031323]  ? finish_task_switch+0x1b4/0x910
[  208.035826]  ? skb_split+0x11e0/0x11e0
[  208.039711]  ? preempt_notifier_register+0x200/0x200
[  208.044806]  ? __switch_to_asm+0x34/0x70
[  208.048865]  ? __switch_to_asm+0x34/0x70
[  208.052917]  ? __switch_to_asm+0x40/0x70
[  208.056971]  ? __switch_to_asm+0x34/0x70
[  208.061027]  ? __switch_to_asm+0x40/0x70
[  208.065088]  ? __switch_to_asm+0x34/0x70
[  208.069145]  ? __switch_to_asm+0x40/0x70
[  208.073209]  ? __switch_to_asm+0x34/0x70
[  208.077265]  ? __switch_to_asm+0x34/0x70
[  208.081319]  ? __switch_to_asm+0x40/0x70
[  208.085390]  ? __switch_to_asm+0x34/0x70
[  208.089450]  bpf_clone_redirect+0xb9/0x490
[  208.093685]  ? __schedule+0x8d7/0x21d0
[  208.097573]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  208.102586]  ? __sched_text_start+0x8/0x8
[  208.106733]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  208.111308]  ? retint_kernel+0x2d/0x2d
[  208.115282]  ? trace_hardirqs_on_caller+0xc0/0x310
[  208.120209]  ? find_held_lock+0x36/0x1c0
[  208.124272]  ? lock_acquire+0x1ed/0x520
[  208.128252]  ? bpf_test_run+0x3cb/0x780
[  208.132224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.137758]  ? check_preemption_disabled+0x48/0x280
[  208.142777]  ? kasan_check_read+0x11/0x20
[  208.146927]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  208.152200]  ? rcu_softirq_qs+0x20/0x20
[  208.156171]  ? preempt_schedule+0x4d/0x60
[  208.160322]  ? ___preempt_schedule+0x16/0x18
[  208.164733]  ? bpf_test_run+0x25d/0x780
[  208.168713]  ? netlink_diag_dump+0x2a0/0x2a0
[  208.173122]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  208.178657]  ? bpf_test_init.isra.10+0x70/0x100
[  208.183345]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  208.188107]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  208.192961]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  208.198493]  ? fput+0x130/0x1a0
[  208.201767]  ? __bpf_prog_get+0x9b/0x290
[  208.205832]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  208.210690]  ? bpf_prog_test_run+0x130/0x1a0
[  208.215097]  ? __x64_sys_bpf+0x3d8/0x520
[  208.219151]  ? bpf_prog_get+0x20/0x20
[  208.222986]  ? do_syscall_64+0x1b9/0x820
[  208.227052]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  208.232412]  ? syscall_return_slowpath+0x5e0/0x5e0
[  208.237340]  ? trace_hardirqs_on_caller+0x310/0x310
[  208.242352]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  208.247383]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  208.254048]  ? __switch_to_asm+0x40/0x70
[  208.258104]  ? __switch_to_asm+0x34/0x70
[  208.262166]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  208.267012]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  208.272395] CPU: 0 PID: 6230 Comm: kworker/0:3 Not tainted 4.20.0-rc1+ #141
[  208.272397] Mem-Info:
[  208.272428] active_anon:51741 inactive_anon:192 isolated_anon:0
[  208.272428]  active_file:28 inactive_file:10 isolated_file:0
[  208.272428]  unevictable:0 dirty:0 writeback:0 unstable:0
[  208.272428]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  208.272428]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  208.272428]  free:13684 free_pcp:150 free_cma:0
[  208.279505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  208.281936] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  208.314799] Workqueue: events_power_efficient neigh_periodic_work
[  208.324128] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  208.351694] Call Trace:
[  208.357918] lowmem_reserve[]: 0 2818 6321 6321
[  208.384019]  dump_stack+0x244/0x39d
[  208.386584] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  208.391161]  ? dump_stack_print_info.cold.1+0x20/0x20
[  208.394753] lowmem_reserve[]: 0 0 3503 3503
[  208.422517]  warn_alloc.cold.116+0xb7/0x1bd
[  208.427673] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:216kB free_cma:0kB
[  208.431989]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  208.436277] lowmem_reserve[]: 0 0 0 0
[  208.465171]  ? lock_downgrade+0x900/0x900
[  208.470003] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  208.473807]  ? trace_hardirqs_off+0xb8/0x310
[  208.477919] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  208.491436]  ? trace_hardirqs_off+0xb8/0x310
[  208.495810] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  208.511068]  __alloc_pages_slowpath+0x26e8/0x2e10
[  208.515466] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  208.530730]  ? warn_alloc+0x120/0x120
[  208.535530] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  208.544349]  ? warn_alloc+0x120/0x120
[  208.548127] 281 total pagecache pages
[  208.556690]  ? check_preemption_disabled+0x48/0x280
[  208.560467] 0 pages in swap cache
[  208.564249]  ? warn_alloc+0x120/0x120
[  208.569240] Swap cache stats: add 0, delete 0, find 0/0
[  208.572677]  ? zap_class+0x640/0x640
[  208.576461] Free swap  = 0kB
[  208.581811]  ? print_usage_bug+0xc0/0xc0
[  208.585510] Total swap = 0kB
[  208.588521]  ? print_usage_bug+0xc0/0xc0
[  208.592552] 1965979 pages RAM
[  208.595566]  ? __lock_acquire+0x62f/0x4c20
[  208.599600] 0 pages HighMem/MovableOnly
[  208.602700]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  208.606904] 342854 pages reserved
[  208.610865]  ? should_fail+0x22d/0xd01
[  208.616374] 0 pages cma reserved
[  208.619816]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  208.623757] aoe: skb alloc failure
[  208.627036]  ? __lock_acquire+0x62f/0x4c20
[  208.632193] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  208.635661]  ? __lock_acquire+0x62f/0x4c20
[  208.639864] syz-executor2 cpuset=syz2 mems_allowed=0
[  208.650332]  ? should_fail+0x22d/0xd01
[  208.650356]  ? mark_held_locks+0x130/0x130
[  208.667739]  ? mark_held_locks+0x130/0x130
[  208.672010]  ? pick_next_task_fair+0xa05/0x1b30
[  208.676683]  ? rcu_read_lock_sched_held+0x14f/0x180
[  208.681697]  ? zap_class+0x640/0x640
[  208.685417]  ? zap_class+0x640/0x640
[  208.689132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.694671]  ? check_preemption_disabled+0x48/0x280
[  208.699691]  ? __lock_is_held+0xb5/0x140
[  208.703758]  __alloc_pages_nodemask+0xa80/0xde0
[  208.708428]  ? zap_class+0x640/0x640
[  208.712141]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  208.717165]  ? find_held_lock+0x36/0x1c0
[  208.721232]  ? ____cache_alloc_node+0x1c7/0x1e0
[  208.725901]  ? lock_downgrade+0x900/0x900
[  208.730053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.735592]  cache_grow_begin+0xa5/0x8c0
[  208.739649]  ? do_raw_spin_unlock+0xa7/0x330
[  208.744060]  fallback_alloc+0x204/0x2e0
[  208.748042]  ____cache_alloc_node+0x1c7/0x1e0
[  208.752541]  kmem_cache_alloc_node+0xe3/0x730
[  208.757047]  ? zap_class+0x640/0x640
[  208.760757]  ? __sched_text_start+0x8/0x8
[  208.764912]  __alloc_skb+0x119/0x770
[  208.768639]  ? zap_class+0x640/0x640
[  208.772357]  ? netdev_alloc_frag+0x1f0/0x1f0
[  208.776774]  ? neigh_periodic_work+0x8ca/0xc60
[  208.781354]  ? lock_downgrade+0x900/0x900
[  208.785505]  ? kasan_check_read+0x11/0x20
[  208.789651]  ? do_raw_write_lock+0x14f/0x310
[  208.794062]  __neigh_notify+0x8c/0x160
[  208.797952]  neigh_cleanup_and_release+0x7b/0xe0
[  208.803157]  neigh_periodic_work+0x8d2/0xc60
[  208.807575]  ? neigh_table_clear+0x390/0x390
[  208.811984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  208.817529]  ? check_preemption_disabled+0x48/0x280
[  208.822550]  ? __lock_is_held+0xb5/0x140
[  208.826814]  process_one_work+0xc90/0x1c40
[  208.831050]  ? mark_held_locks+0x130/0x130
[  208.835291]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  208.839954]  ? __switch_to_asm+0x40/0x70
[  208.844027]  ? __switch_to_asm+0x34/0x70
[  208.848086]  ? __switch_to_asm+0x40/0x70
[  208.852141]  ? __switch_to_asm+0x34/0x70
[  208.856199]  ? __switch_to_asm+0x40/0x70
[  208.860256]  ? __switch_to_asm+0x34/0x70
[  208.864313]  ? __switch_to_asm+0x40/0x70
[  208.868377]  ? __schedule+0x8d7/0x21d0
[  208.872282]  ? lock_downgrade+0x900/0x900
[  208.876455]  ? zap_class+0x640/0x640
[  208.880169]  ? find_held_lock+0x36/0x1c0
[  208.884249]  ? lock_acquire+0x1ed/0x520
[  208.888219]  ? worker_thread+0x3e0/0x1390
[  208.892378]  ? kasan_check_read+0x11/0x20
[  208.896525]  ? do_raw_spin_lock+0x14f/0x350
[  208.900840]  ? kasan_check_read+0x11/0x20
[  208.904991]  ? rwlock_bug.part.2+0x90/0x90
[  208.909226]  ? trace_hardirqs_on+0x310/0x310
[  208.913645]  worker_thread+0x17f/0x1390
[  208.917616]  ? __switch_to_asm+0x34/0x70
[  208.921690]  ? process_one_work+0x1c40/0x1c40
[  208.926197]  ? __sched_text_start+0x8/0x8
[  208.930362]  ? __kthread_parkme+0xce/0x1a0
[  208.934594]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  208.939694]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  208.944792]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  208.949375]  ? trace_hardirqs_on+0xbd/0x310
[  208.953695]  ? kasan_check_read+0x11/0x20
[  208.957840]  ? __kthread_parkme+0xce/0x1a0
[  208.962071]  ? trace_hardirqs_off_caller+0x310/0x310
[  208.967179]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  208.972282]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  208.977815]  ? __kthread_parkme+0xfb/0x1a0
[  208.982051]  ? process_one_work+0x1c40/0x1c40
[  208.986546]  kthread+0x35a/0x440
[  208.989911]  ? kthread_stop+0x900/0x900
[  208.993885]  ret_from_fork+0x3a/0x50
[  208.997628] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  208.997631] Mem-Info:
[  208.997664] active_anon:51741 inactive_anon:192 isolated_anon:0
[  208.997664]  active_file:28 inactive_file:10 isolated_file:0
[  208.997664]  unevictable:0 dirty:0 writeback:0 unstable:0
[  208.997664]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  208.997664]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  208.997664]  free:13684 free_pcp:150 free_cma:0
[  209.004910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  209.007344] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  209.040181] Call Trace:
[  209.049519] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  209.077084]  <IRQ>
[  209.079652] lowmem_reserve[]: 0 2818 6321 6321
[  209.105756]  dump_stack+0x244/0x39d
[  209.107877] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  209.112450]  ? dump_stack_print_info.cold.1+0x20/0x20
[  209.116042] lowmem_reserve[]: 0 0 3503 3503
[  209.143632]  warn_alloc.cold.116+0xb7/0x1bd
[  209.148788] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  209.153101]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  209.157389] lowmem_reserve[]: 0 0 0 0
[  209.186273]  ? lock_downgrade+0x900/0x900
[  209.191086] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  209.194886]  ? trace_hardirqs_off+0xb8/0x310
[  209.199008] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  209.212523]  ? trace_hardirqs_off+0xb8/0x310
[  209.216986] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  209.232241]  __alloc_pages_slowpath+0x26e8/0x2e10
[  209.236625] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  209.251894]  ? warn_alloc+0x120/0x120
[  209.256698] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  209.265523]  ? warn_alloc+0x120/0x120
[  209.269293] 281 total pagecache pages
[  209.277854]  ? warn_alloc+0x120/0x120
[  209.281636] 0 pages in swap cache
[  209.285417]  ? print_usage_bug+0xc0/0xc0
[  209.289191] Swap cache stats: add 0, delete 0, find 0/0
[  209.292628]  ? print_usage_bug+0xc0/0xc0
[  209.296662] Free swap  = 0kB
[  209.302014]  ? ktime_get+0x2c1/0x400
[  209.306046] Total swap = 0kB
[  209.309058]  ? check_preemption_disabled+0x48/0x280
[  209.312742] 1965979 pages RAM
[  209.315751]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  209.320738] 0 pages HighMem/MovableOnly
[  209.323831]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  209.328295] 342854 pages reserved
[  209.328303] 0 pages cma reserved
[  209.332275]  ? should_fail+0x22d/0xd01
[  209.348469]  ? kasan_check_read+0x11/0x20
[  209.352626]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  209.357737]  ? __lock_acquire+0x62f/0x4c20
[  209.361981]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  209.367090]  ? should_fail+0x22d/0xd01
[  209.370988]  ? print_usage_bug+0xc0/0xc0
[  209.375061]  ? mark_held_locks+0x130/0x130
[  209.379300]  ? mark_held_locks+0x130/0x130
[  209.383538]  ? check_preemption_disabled+0x48/0x280
[  209.388569]  ? zap_class+0x640/0x640
[  209.392309]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  209.397078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.402628]  ? check_preemption_disabled+0x48/0x280
[  209.407657]  ? __lock_is_held+0xb5/0x140
[  209.411734]  __alloc_pages_nodemask+0xa80/0xde0
[  209.416406]  ? zap_class+0x640/0x640
[  209.420128]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  209.425159]  ? find_held_lock+0x36/0x1c0
[  209.429240]  ? ____cache_alloc_node+0x1c7/0x1e0
[  209.433918]  ? lock_downgrade+0x900/0x900
[  209.438172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.443724]  cache_grow_begin+0xa5/0x8c0
[  209.447790]  ? do_raw_spin_unlock+0xa7/0x330
[  209.452211]  fallback_alloc+0x204/0x2e0
[  209.456193]  ____cache_alloc_node+0x1c7/0x1e0
[  209.460700]  kmem_cache_alloc_node+0xe3/0x730
[  209.465203]  ? lockdep_hardirqs_on+0x296/0x5b0
[  209.469804]  __alloc_skb+0x119/0x770
[  209.473524]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  209.478898]  ? netdev_alloc_frag+0x1f0/0x1f0
[  209.483323]  ? vprintk_default+0x28/0x30
[  209.487389]  ? vprintk_func+0x85/0x181
[  209.491279]  ? printk+0xa7/0xcf
[  209.494561]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  209.499330]  new_skb+0x26/0x1c0
[  209.502621]  aoecmd_cfg+0x279/0x7f0
[  209.506254]  ? find_held_lock+0x36/0x1c0
[  209.510325]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  209.514662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.520220]  ? __lock_is_held+0xb5/0x140
[  209.524297]  discover_timer+0x50/0x60
[  209.528105]  call_timer_fn+0x272/0x920
[  209.532001]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  209.536847]  ? process_timeout+0x40/0x40
[  209.540917]  ? __run_timers+0x7da/0xc70
[  209.544907]  ? _raw_spin_unlock_irq+0x27/0x80
[  209.549415]  ? _raw_spin_unlock_irq+0x27/0x80
[  209.553915]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  209.558773]  ? lockdep_hardirqs_on+0x296/0x5b0
[  209.563363]  ? trace_hardirqs_on+0xbd/0x310
[  209.567693]  ? kasan_check_read+0x11/0x20
[  209.571848]  ? __run_timers+0x7da/0xc70
[  209.575835]  ? trace_hardirqs_off_caller+0x310/0x310
[  209.580973]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  209.585822]  __run_timers+0x7e5/0xc70
[  209.589637]  ? timer_fixup_init+0x70/0x70
[  209.593793]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  209.598817]  ? zap_class+0x640/0x640
[  209.602538]  ? enqueue_hrtimer+0x1a5/0x560
[  209.606778]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  209.611981]  ? find_held_lock+0x36/0x1c0
[  209.616054]  ? zap_class+0x640/0x640
[  209.619774]  ? pvclock_read_flags+0x160/0x160
[  209.624281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.629826]  ? check_preemption_disabled+0x48/0x280
[  209.635192]  ? __lock_is_held+0xb5/0x140
[  209.639260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.644806]  ? check_preemption_disabled+0x48/0x280
[  209.650007]  run_timer_softirq+0x52/0xb0
[  209.654076]  ? rcu_read_lock_sched_held+0x14f/0x180
[  209.659101]  __do_softirq+0x308/0xb7e
[  209.662919]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  209.667418]  ? lock_downgrade+0x900/0x900
[  209.671579]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  209.676696]  ? pvclock_read_flags+0x160/0x160
[  209.681201]  ? lapic_next_event+0x5a/0x90
[  209.685354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.690912]  ? kvm_clock_read+0x18/0x30
[  209.694887]  ? kvm_sched_clock_read+0x9/0x20
[  209.699312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.704881]  ? check_preemption_disabled+0x48/0x280
[  209.709926]  irq_exit+0x17f/0x1c0
[  209.713389]  smp_apic_timer_interrupt+0x1cb/0x760
[  209.718252]  ? smp_reschedule_interrupt+0x109/0x650
[  209.723277]  ? smp_call_function_single_interrupt+0x650/0x650
[  209.729162]  ? interrupt_entry+0xb5/0xc0
[  209.733245]  ? trace_hardirqs_off_caller+0xbb/0x310
[  209.738265]  ? trace_hardirqs_off_caller+0xbb/0x310
[  209.743288]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  209.748140]  ? trace_hardirqs_on_caller+0x310/0x310
[  209.753336]  ? trace_hardirqs_on_caller+0x310/0x310
[  209.758362]  ? task_prio+0x50/0x50
[  209.761919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.767465]  ? check_preemption_disabled+0x48/0x280
[  209.772499]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  209.777364]  apic_timer_interrupt+0xf/0x20
[  209.781600]  </IRQ>
[  209.783845] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  209.788782] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  209.807690] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  209.815402] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  209.822681] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  209.829952] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  209.837221] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  209.844490] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  209.851809]  skb_clone+0x1bb/0x500
[  209.855368]  ? finish_task_switch+0x1b4/0x910
[  209.859872]  ? skb_split+0x11e0/0x11e0
[  209.863778]  ? preempt_notifier_register+0x200/0x200
[  209.868884]  ? __switch_to_asm+0x34/0x70
[  209.872958]  ? __switch_to_asm+0x34/0x70
[  209.877023]  ? __switch_to_asm+0x40/0x70
[  209.881085]  ? __switch_to_asm+0x34/0x70
[  209.885145]  ? __switch_to_asm+0x40/0x70
[  209.889210]  ? __switch_to_asm+0x34/0x70
[  209.893273]  ? __switch_to_asm+0x40/0x70
[  209.897435]  ? __switch_to_asm+0x34/0x70
[  209.901496]  ? __switch_to_asm+0x34/0x70
[  209.905560]  ? __switch_to_asm+0x40/0x70
[  209.909620]  ? __switch_to_asm+0x34/0x70
[  209.913698]  bpf_clone_redirect+0xb9/0x490
[  209.917940]  ? __schedule+0x8d7/0x21d0
[  209.921836]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  209.926863]  ? __sched_text_start+0x8/0x8
[  209.931030]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  209.935614]  ? retint_kernel+0x2d/0x2d
[  209.939514]  ? trace_hardirqs_on_caller+0xc0/0x310
[  209.944452]  ? find_held_lock+0x36/0x1c0
[  209.948524]  ? lock_acquire+0x1ed/0x520
[  209.952504]  ? bpf_test_run+0x3cb/0x780
[  209.956489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  209.962036]  ? check_preemption_disabled+0x48/0x280
[  209.967062]  ? kasan_check_read+0x11/0x20
[  209.971217]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  209.976500]  ? rcu_softirq_qs+0x20/0x20
[  209.980483]  ? preempt_schedule+0x4d/0x60
[  209.984641]  ? ___preempt_schedule+0x16/0x18
[  209.989066]  ? bpf_test_run+0x25d/0x780
[  209.993058]  ? netlink_diag_dump+0x2a0/0x2a0
[  209.997475]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  210.003103]  ? bpf_test_init.isra.10+0x70/0x100
[  210.007786]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  210.012558]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  210.017409]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  210.022958]  ? fput+0x130/0x1a0
[  210.026244]  ? __bpf_prog_get+0x9b/0x290
[  210.030310]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  210.035157]  ? bpf_prog_test_run+0x130/0x1a0
[  210.039570]  ? __x64_sys_bpf+0x3d8/0x520
[  210.043641]  ? bpf_prog_get+0x20/0x20
[  210.047468]  ? do_syscall_64+0x1b9/0x820
[  210.051536]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  210.056914]  ? syscall_return_slowpath+0x5e0/0x5e0
[  210.061856]  ? trace_hardirqs_on_caller+0x310/0x310
[  210.066894]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  210.071916]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  210.078592]  ? __switch_to_asm+0x40/0x70
[  210.082658]  ? __switch_to_asm+0x34/0x70
[  210.086732]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  210.091587]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  210.097021] aoe: skb alloc failure
[  210.100637] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  210.111123] syz-executor2 cpuset=syz2 mems_allowed=0
[  210.116247] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  210.123528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  210.132886] Call Trace:
[  210.135467]  <IRQ>
[  210.137635]  dump_stack+0x244/0x39d
[  210.141271]  ? dump_stack_print_info.cold.1+0x20/0x20
[  210.146480]  warn_alloc.cold.116+0xb7/0x1bd
[  210.150810]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  210.155663]  ? lock_downgrade+0x900/0x900
[  210.159825]  ? trace_hardirqs_off+0xb8/0x310
[  210.164244]  ? trace_hardirqs_off+0xb8/0x310
[  210.168670]  __alloc_pages_slowpath+0x26e8/0x2e10
[  210.173547]  ? warn_alloc+0x120/0x120
[  210.177359]  ? warn_alloc+0x120/0x120
[  210.181165]  ? warn_alloc+0x120/0x120
[  210.184974]  ? print_usage_bug+0xc0/0xc0
[  210.189046]  ? print_usage_bug+0xc0/0xc0
[  210.193114]  ? mark_held_locks+0x130/0x130
[  210.197360]  ? check_preemption_disabled+0x48/0x280
[  210.202384]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  210.206896]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  210.212439]  ? should_fail+0x22d/0xd01
[  210.216331]  ? kasan_check_read+0x11/0x20
[  210.220488]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  210.225602]  ? __lock_acquire+0x62f/0x4c20
[  210.229852]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  210.234964]  ? should_fail+0x22d/0xd01
[  210.238864]  ? zap_class+0x640/0x640
[  210.242588]  ? mark_held_locks+0x130/0x130
[  210.246836]  ? mark_held_locks+0x130/0x130
[  210.251085]  ? zap_class+0x640/0x640
[  210.254805]  ? zap_class+0x640/0x640
[  210.258520]  ? up+0xea/0x1c0
[  210.261546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.267091]  ? check_preemption_disabled+0x48/0x280
[  210.272119]  ? __lock_is_held+0xb5/0x140
[  210.276195]  __alloc_pages_nodemask+0xa80/0xde0
[  210.280881]  ? zap_class+0x640/0x640
[  210.284614]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  210.289645]  ? find_held_lock+0x36/0x1c0
[  210.293751]  ? ____cache_alloc_node+0x1c7/0x1e0
[  210.298426]  ? lock_downgrade+0x900/0x900
[  210.302584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.308136]  cache_grow_begin+0xa5/0x8c0
[  210.312204]  ? do_raw_spin_unlock+0xa7/0x330
[  210.316631]  fallback_alloc+0x204/0x2e0
[  210.320624]  ____cache_alloc_node+0x1c7/0x1e0
[  210.325127]  kmem_cache_alloc_node+0xe3/0x730
[  210.329631]  ? lockdep_hardirqs_on+0x296/0x5b0
[  210.334229]  __alloc_skb+0x119/0x770
[  210.337950]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  210.343333]  ? netdev_alloc_frag+0x1f0/0x1f0
[  210.347752]  ? vprintk_default+0x28/0x30
[  210.351817]  ? vprintk_func+0x85/0x181
[  210.355716]  ? printk+0xa7/0xcf
[  210.359001]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  210.363772]  new_skb+0x26/0x1c0
[  210.367056]  aoecmd_cfg+0x279/0x7f0
[  210.370688]  ? find_held_lock+0x36/0x1c0
[  210.374758]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  210.379091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.384645]  ? __lock_is_held+0xb5/0x140
[  210.388722]  discover_timer+0x50/0x60
[  210.392525]  call_timer_fn+0x272/0x920
[  210.396429]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  210.401274]  ? process_timeout+0x40/0x40
[  210.405348]  ? __run_timers+0x7da/0xc70
[  210.409329]  ? _raw_spin_unlock_irq+0x27/0x80
[  210.413830]  ? _raw_spin_unlock_irq+0x27/0x80
[  210.418335]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  210.423181]  ? lockdep_hardirqs_on+0x296/0x5b0
[  210.427772]  ? trace_hardirqs_on+0xbd/0x310
[  210.432098]  ? kasan_check_read+0x11/0x20
[  210.436246]  ? __run_timers+0x7da/0xc70
[  210.440223]  ? trace_hardirqs_off_caller+0x310/0x310
[  210.445343]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  210.450200]  __run_timers+0x7e5/0xc70
[  210.454020]  ? timer_fixup_init+0x70/0x70
[  210.458174]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  210.463198]  ? zap_class+0x640/0x640
[  210.466921]  ? enqueue_hrtimer+0x1a5/0x560
[  210.471159]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  210.476371]  ? find_held_lock+0x36/0x1c0
[  210.480441]  ? zap_class+0x640/0x640
[  210.484163]  ? pvclock_read_flags+0x160/0x160
[  210.488756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.494302]  ? check_preemption_disabled+0x48/0x280
[  210.499337]  ? __lock_is_held+0xb5/0x140
[  210.503402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.508954]  ? check_preemption_disabled+0x48/0x280
[  210.513982]  run_timer_softirq+0x52/0xb0
[  210.518049]  ? rcu_read_lock_sched_held+0x14f/0x180
[  210.523070]  __do_softirq+0x308/0xb7e
[  210.526879]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  210.531381]  ? lock_downgrade+0x900/0x900
[  210.535537]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  210.540653]  ? pvclock_read_flags+0x160/0x160
[  210.545155]  ? lapic_next_event+0x5a/0x90
[  210.549311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.554869]  ? kvm_clock_read+0x18/0x30
[  210.558855]  ? kvm_sched_clock_read+0x9/0x20
[  210.563271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.568816]  ? check_preemption_disabled+0x48/0x280
[  210.573862]  irq_exit+0x17f/0x1c0
[  210.577334]  smp_apic_timer_interrupt+0x1cb/0x760
[  210.582178]  ? smp_reschedule_interrupt+0x109/0x650
[  210.587200]  ? smp_call_function_single_interrupt+0x650/0x650
[  210.593089]  ? interrupt_entry+0xb5/0xc0
[  210.597156]  ? trace_hardirqs_off_caller+0xbb/0x310
[  210.602175]  ? trace_hardirqs_off_caller+0xbb/0x310
[  210.607196]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  210.612046]  ? trace_hardirqs_on_caller+0x310/0x310
[  210.617066]  ? trace_hardirqs_on_caller+0x310/0x310
[  210.622086]  ? task_prio+0x50/0x50
[  210.625637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.631177]  ? check_preemption_disabled+0x48/0x280
[  210.636206]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  210.641066]  apic_timer_interrupt+0xf/0x20
[  210.645301]  </IRQ>
[  210.647549] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  210.652487] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  210.671393] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  210.679103] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  210.686378] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  210.693651] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  210.700922] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  210.708194] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  210.715513]  skb_clone+0x1bb/0x500
[  210.719063]  ? finish_task_switch+0x1b4/0x910
[  210.723566]  ? skb_split+0x11e0/0x11e0
[  210.727465]  ? preempt_notifier_register+0x200/0x200
[  210.732575]  ? __switch_to_asm+0x34/0x70
[  210.736635]  ? __switch_to_asm+0x34/0x70
[  210.740693]  ? __switch_to_asm+0x40/0x70
[  210.744752]  ? __switch_to_asm+0x34/0x70
[  210.748827]  ? __switch_to_asm+0x40/0x70
[  210.752889]  ? __switch_to_asm+0x34/0x70
[  210.756948]  ? __switch_to_asm+0x40/0x70
[  210.761016]  ? __switch_to_asm+0x34/0x70
[  210.765083]  ? __switch_to_asm+0x34/0x70
[  210.769231]  ? __switch_to_asm+0x40/0x70
[  210.773296]  ? __switch_to_asm+0x34/0x70
[  210.777372]  bpf_clone_redirect+0xb9/0x490
[  210.781613]  ? __schedule+0x8d7/0x21d0
[  210.785517]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  210.790547]  ? __sched_text_start+0x8/0x8
[  210.794710]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  210.799292]  ? retint_kernel+0x2d/0x2d
[  210.803698]  ? trace_hardirqs_on_caller+0xc0/0x310
[  210.808644]  ? find_held_lock+0x36/0x1c0
[  210.812721]  ? lock_acquire+0x1ed/0x520
[  210.816701]  ? bpf_test_run+0x3cb/0x780
[  210.820682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  210.826230]  ? check_preemption_disabled+0x48/0x280
[  210.831262]  ? kasan_check_read+0x11/0x20
[  210.835415]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  210.840697]  ? rcu_softirq_qs+0x20/0x20
[  210.844680]  ? preempt_schedule+0x4d/0x60
[  210.848843]  ? ___preempt_schedule+0x16/0x18
[  210.853358]  ? bpf_test_run+0x25d/0x780
[  210.857352]  ? netlink_diag_dump+0x2a0/0x2a0
[  210.861766]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  210.867316]  ? bpf_test_init.isra.10+0x70/0x100
[  210.871993]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  210.876765]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  210.881621]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  210.887165]  ? fput+0x130/0x1a0
[  210.890450]  ? __bpf_prog_get+0x9b/0x290
[  210.894520]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  210.899366]  ? bpf_prog_test_run+0x130/0x1a0
[  210.903784]  ? __x64_sys_bpf+0x3d8/0x520
[  210.907855]  ? bpf_prog_get+0x20/0x20
[  210.911678]  ? do_syscall_64+0x1b9/0x820
[  210.915745]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  210.921112]  ? syscall_return_slowpath+0x5e0/0x5e0
[  210.926050]  ? trace_hardirqs_on_caller+0x310/0x310
[  210.931068]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  210.936091]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  210.942760]  ? __switch_to_asm+0x40/0x70
[  210.946828]  ? __switch_to_asm+0x34/0x70
[  210.950898]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  210.955749]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  210.961132] warn_alloc_show_mem: 1 callbacks suppressed
[  210.961137] Mem-Info:
[  210.968921] active_anon:51741 inactive_anon:192 isolated_anon:0
[  210.968921]  active_file:28 inactive_file:10 isolated_file:0
[  210.968921]  unevictable:0 dirty:0 writeback:0 unstable:0
[  210.968921]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  210.968921]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  210.968921]  free:13684 free_pcp:150 free_cma:0
[  211.001852] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  211.029435] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  211.055575] lowmem_reserve[]: 0 2818 6321 6321
[  211.060171] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  211.087958] lowmem_reserve[]: 0 0 3503 3503
[  211.092294] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:216kB free_cma:0kB
[  211.121207] lowmem_reserve[]: 0 0 0 0
[  211.125020] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  211.138610] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  211.153947] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  211.169287] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  211.178128] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  211.186700] 281 total pagecache pages
[  211.190504] 0 pages in swap cache
[  211.193959] Swap cache stats: add 0, delete 0, find 0/0
[  211.199317] Free swap  = 0kB
[  211.202332] Total swap = 0kB
[  211.205345] 1965979 pages RAM
[  211.208454] 0 pages HighMem/MovableOnly
[  211.212419] 342854 pages reserved
[  211.215866] 0 pages cma reserved
[  211.219287] aoe: skb alloc failure
[  211.222856] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  211.233336] syz-executor2 cpuset=syz2 mems_allowed=0
[  211.238466] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  211.245738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  211.255098] Call Trace:
[  211.257211] kworker/0:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  211.257701]  <IRQ>
[  211.268012] kworker/0:3 cpuset=/ mems_allowed=0
[  211.270163]  dump_stack+0x244/0x39d
[  211.278423]  ? dump_stack_print_info.cold.1+0x20/0x20
[  211.283821]  warn_alloc.cold.116+0xb7/0x1bd
[  211.288142]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  211.292986]  ? lock_downgrade+0x900/0x900
[  211.297145]  ? trace_hardirqs_off+0xb8/0x310
[  211.301557]  ? trace_hardirqs_off+0xb8/0x310
[  211.305969]  __alloc_pages_slowpath+0x26e8/0x2e10
[  211.310833]  ? warn_alloc+0x120/0x120
[  211.314635]  ? warn_alloc+0x120/0x120
[  211.318434]  ? __lock_acquire+0x62f/0x4c20
[  211.322665]  ? warn_alloc+0x120/0x120
[  211.326461]  ? print_usage_bug+0xc0/0xc0
[  211.330524]  ? print_usage_bug+0xc0/0xc0
[  211.334583]  ? print_usage_bug+0xc0/0xc0
[  211.338645]  ? mark_held_locks+0x130/0x130
[  211.342882]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  211.348416]  ? should_fail+0x22d/0xd01
[  211.352299]  ? zap_class+0x640/0x640
[  211.356013]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  211.361112]  ? __lock_acquire+0x62f/0x4c20
[  211.365344]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  211.370443]  ? should_fail+0x22d/0xd01
[  211.374328]  ? zap_class+0x640/0x640
[  211.378045]  ? mark_held_locks+0x130/0x130
[  211.382280]  ? mark_held_locks+0x130/0x130
[  211.386518]  ? zap_class+0x640/0x640
[  211.390231]  ? zap_class+0x640/0x640
[  211.393939]  ? up+0xea/0x1c0
[  211.396976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.402519]  ? check_preemption_disabled+0x48/0x280
[  211.407544]  ? __lock_is_held+0xb5/0x140
[  211.411609]  __alloc_pages_nodemask+0xa80/0xde0
[  211.416274]  ? zap_class+0x640/0x640
[  211.419990]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  211.425011]  ? find_held_lock+0x36/0x1c0
[  211.429077]  ? ____cache_alloc_node+0x1c7/0x1e0
[  211.433753]  ? lock_downgrade+0x900/0x900
[  211.437903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.443442]  cache_grow_begin+0xa5/0x8c0
[  211.447498]  ? do_raw_spin_unlock+0xa7/0x330
[  211.451912]  fallback_alloc+0x204/0x2e0
[  211.455889]  ____cache_alloc_node+0x1c7/0x1e0
[  211.460384]  kmem_cache_alloc_node+0xe3/0x730
[  211.464877]  ? lockdep_hardirqs_on+0x296/0x5b0
[  211.469465]  __alloc_skb+0x119/0x770
[  211.473177]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  211.478541]  ? netdev_alloc_frag+0x1f0/0x1f0
[  211.482953]  ? vprintk_default+0x28/0x30
[  211.487012]  ? vprintk_func+0x85/0x181
[  211.490899]  ? printk+0xa7/0xcf
[  211.494176]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  211.498954]  new_skb+0x26/0x1c0
[  211.502230]  aoecmd_cfg+0x279/0x7f0
[  211.505862]  ? find_held_lock+0x36/0x1c0
[  211.509920]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  211.514247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.519793]  ? __lock_is_held+0xb5/0x140
[  211.523858]  discover_timer+0x50/0x60
[  211.527653]  call_timer_fn+0x272/0x920
[  211.531537]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  211.536392]  ? process_timeout+0x40/0x40
[  211.540454]  ? __run_timers+0x7da/0xc70
[  211.544429]  ? _raw_spin_unlock_irq+0x27/0x80
[  211.548919]  ? _raw_spin_unlock_irq+0x27/0x80
[  211.553409]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  211.558245]  ? lockdep_hardirqs_on+0x296/0x5b0
[  211.562830]  ? trace_hardirqs_on+0xbd/0x310
[  211.567146]  ? kasan_check_read+0x11/0x20
[  211.571293]  ? __run_timers+0x7da/0xc70
[  211.575266]  ? trace_hardirqs_off_caller+0x310/0x310
[  211.580382]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  211.585219]  __run_timers+0x7e5/0xc70
[  211.589032]  ? timer_fixup_init+0x70/0x70
[  211.593176]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  211.598192]  ? zap_class+0x640/0x640
[  211.601909]  ? enqueue_hrtimer+0x1a5/0x560
[  211.606142]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  211.611335]  ? find_held_lock+0x36/0x1c0
[  211.615397]  ? zap_class+0x640/0x640
[  211.619118]  ? pvclock_read_flags+0x160/0x160
[  211.623614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.629150]  ? check_preemption_disabled+0x48/0x280
[  211.634650]  ? __lock_is_held+0xb5/0x140
[  211.638715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.644260]  ? check_preemption_disabled+0x48/0x280
[  211.649280]  run_timer_softirq+0x52/0xb0
[  211.653341]  ? rcu_read_lock_sched_held+0x14f/0x180
[  211.658362]  __do_softirq+0x308/0xb7e
[  211.662162]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  211.666656]  ? lock_downgrade+0x900/0x900
[  211.670803]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  211.675913]  ? pvclock_read_flags+0x160/0x160
[  211.680408]  ? lapic_next_event+0x5a/0x90
[  211.684572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.690115]  ? kvm_clock_read+0x18/0x30
[  211.694087]  ? kvm_sched_clock_read+0x9/0x20
[  211.698498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.704033]  ? check_preemption_disabled+0x48/0x280
[  211.709056]  irq_exit+0x17f/0x1c0
[  211.712514]  smp_apic_timer_interrupt+0x1cb/0x760
[  211.717351]  ? smp_reschedule_interrupt+0x109/0x650
[  211.722363]  ? smp_call_function_single_interrupt+0x650/0x650
[  211.728241]  ? interrupt_entry+0xb5/0xc0
[  211.732303]  ? trace_hardirqs_off_caller+0xbb/0x310
[  211.737314]  ? trace_hardirqs_off_caller+0xbb/0x310
[  211.742344]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  211.747184]  ? trace_hardirqs_on_caller+0x310/0x310
[  211.752201]  ? trace_hardirqs_on_caller+0x310/0x310
[  211.757211]  ? task_prio+0x50/0x50
[  211.760755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.766289]  ? check_preemption_disabled+0x48/0x280
[  211.771324]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  211.776174]  apic_timer_interrupt+0xf/0x20
[  211.780396]  </IRQ>
[  211.782632] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  211.787570] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  211.806465] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  211.814181] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  211.821443] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  211.828722] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  211.835984] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  211.843249] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  211.850551]  skb_clone+0x1bb/0x500
[  211.854088]  ? finish_task_switch+0x1b4/0x910
[  211.858579]  ? skb_split+0x11e0/0x11e0
[  211.862471]  ? preempt_notifier_register+0x200/0x200
[  211.867577]  ? __switch_to_asm+0x34/0x70
[  211.871631]  ? __switch_to_asm+0x34/0x70
[  211.875687]  ? __switch_to_asm+0x40/0x70
[  211.879746]  ? __switch_to_asm+0x34/0x70
[  211.883817]  ? __switch_to_asm+0x40/0x70
[  211.887872]  ? __switch_to_asm+0x34/0x70
[  211.891924]  ? __switch_to_asm+0x40/0x70
[  211.895977]  ? __switch_to_asm+0x34/0x70
[  211.900032]  ? __switch_to_asm+0x34/0x70
[  211.904085]  ? __switch_to_asm+0x40/0x70
[  211.908139]  ? __switch_to_asm+0x34/0x70
[  211.912201]  bpf_clone_redirect+0xb9/0x490
[  211.916439]  ? __schedule+0x8d7/0x21d0
[  211.920333]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  211.925350]  ? __sched_text_start+0x8/0x8
[  211.929500]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  211.934097]  ? retint_kernel+0x2d/0x2d
[  211.937986]  ? trace_hardirqs_on_caller+0xc0/0x310
[  211.942917]  ? find_held_lock+0x36/0x1c0
[  211.946983]  ? lock_acquire+0x1ed/0x520
[  211.950954]  ? bpf_test_run+0x3cb/0x780
[  211.954927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  211.960467]  ? check_preemption_disabled+0x48/0x280
[  211.965486]  ? kasan_check_read+0x11/0x20
[  211.969629]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  211.974899]  ? rcu_softirq_qs+0x20/0x20
[  211.978870]  ? preempt_schedule+0x4d/0x60
[  211.983016]  ? ___preempt_schedule+0x16/0x18
[  211.987428]  ? bpf_test_run+0x25d/0x780
[  211.991416]  ? netlink_diag_dump+0x2a0/0x2a0
[  211.995821]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  212.001352]  ? bpf_test_init.isra.10+0x70/0x100
[  212.006022]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  212.010782]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  212.015623]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  212.021157]  ? fput+0x130/0x1a0
[  212.024433]  ? __bpf_prog_get+0x9b/0x290
[  212.028494]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  212.033329]  ? bpf_prog_test_run+0x130/0x1a0
[  212.037823]  ? __x64_sys_bpf+0x3d8/0x520
[  212.043446]  ? bpf_prog_get+0x20/0x20
[  212.047273]  ? do_syscall_64+0x1b9/0x820
[  212.051335]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  212.056702]  ? syscall_return_slowpath+0x5e0/0x5e0
[  212.061635]  ? trace_hardirqs_on_caller+0x310/0x310
[  212.066647]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  212.071660]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  212.078326]  ? __switch_to_asm+0x40/0x70
[  212.082381]  ? __switch_to_asm+0x34/0x70
[  212.086441]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  212.091289]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  212.096670] CPU: 0 PID: 6230 Comm: kworker/0:3 Not tainted 4.20.0-rc1+ #141
[  212.096672] Mem-Info:
[  212.096710] active_anon:51741 inactive_anon:192 isolated_anon:0
[  212.096710]  active_file:28 inactive_file:10 isolated_file:0
[  212.096710]  unevictable:0 dirty:0 writeback:0 unstable:0
[  212.096710]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  212.096710]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  212.096710]  free:13684 free_pcp:150 free_cma:0
[  212.103783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  212.103809] Workqueue: events_power_efficient neigh_periodic_work
[  212.106226] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  212.139064] Call Trace:
[  212.148401] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  212.154630]  dump_stack+0x244/0x39d
[  212.182177] lowmem_reserve[]: 0 2818 6321 6321
[  212.184765]  ? dump_stack_print_info.cold.1+0x20/0x20
[  212.210929] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  212.214566]  warn_alloc.cold.116+0xb7/0x1bd
[  212.219105] lowmem_reserve[]: 0 0 3503 3503
[  212.224287]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  212.252017] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:216kB free_cma:0kB
[  212.256354]  ? lock_downgrade+0x900/0x900
[  212.260631] lowmem_reserve[]: 0 0 0 0
[  212.265469]  ? trace_hardirqs_off+0xb8/0x310
[  212.294322] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  212.298468]  ? trace_hardirqs_off+0xb8/0x310
[  212.302231] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  212.306644]  __alloc_pages_slowpath+0x26e8/0x2e10
[  212.320127] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  212.324561]  ? warn_alloc+0x120/0x120
[  212.339785] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  212.344611]  ? warn_alloc+0x120/0x120
[  212.359847] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  212.363638]  ? check_preemption_disabled+0x48/0x280
[  212.372448] 281 total pagecache pages
[  212.376237]  ? warn_alloc+0x120/0x120
[  212.384789] 0 pages in swap cache
[  212.389785]  ? zap_class+0x640/0x640
[  212.393562] Swap cache stats: add 0, delete 0, find 0/0
[  212.397348]  ? print_usage_bug+0xc0/0xc0
[  212.400774] Free swap  = 0kB
[  212.404478]  ? print_usage_bug+0xc0/0xc0
[  212.409809] Total swap = 0kB
[  212.413858]  ? __lock_acquire+0x62f/0x4c20
[  212.416851] 1965979 pages RAM
[  212.420919]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  212.423890] 0 pages HighMem/MovableOnly
[  212.423898] 342854 pages reserved
[  212.428125]  ? should_fail+0x22d/0xd01
[  212.431199] 0 pages cma reserved
[  212.436724]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  212.440757] aoe: skb alloc failure
[  212.444125]  ? __lock_acquire+0x62f/0x4c20
[  212.448057] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  212.451345]  ? __lock_acquire+0x62f/0x4c20
[  212.456424] syz-executor2 cpuset=syz2 mems_allowed=0
[  212.459948]  ? should_fail+0x22d/0xd01
[  212.459972]  ? mark_held_locks+0x130/0x130
[  212.492055]  ? mark_held_locks+0x130/0x130
[  212.496292]  ? pick_next_task_fair+0xa05/0x1b30
[  212.500964]  ? rcu_read_lock_sched_held+0x14f/0x180
[  212.505982]  ? zap_class+0x640/0x640
[  212.509697]  ? zap_class+0x640/0x640
[  212.513409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.518945]  ? check_preemption_disabled+0x48/0x280
[  212.523968]  ? __lock_is_held+0xb5/0x140
[  212.528033]  __alloc_pages_nodemask+0xa80/0xde0
[  212.532699]  ? zap_class+0x640/0x640
[  212.536413]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  212.541434]  ? find_held_lock+0x36/0x1c0
[  212.545502]  ? ____cache_alloc_node+0x1c7/0x1e0
[  212.550168]  ? lock_downgrade+0x900/0x900
[  212.554321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.559952]  cache_grow_begin+0xa5/0x8c0
[  212.564019]  ? do_raw_spin_unlock+0xa7/0x330
[  212.568430]  fallback_alloc+0x204/0x2e0
[  212.572405]  ____cache_alloc_node+0x1c7/0x1e0
[  212.576910]  kmem_cache_alloc_node+0xe3/0x730
[  212.581399]  ? zap_class+0x640/0x640
[  212.585111]  ? __sched_text_start+0x8/0x8
[  212.589265]  __alloc_skb+0x119/0x770
[  212.592980]  ? zap_class+0x640/0x640
[  212.596698]  ? netdev_alloc_frag+0x1f0/0x1f0
[  212.601117]  ? neigh_periodic_work+0x8ca/0xc60
[  212.605697]  ? lock_downgrade+0x900/0x900
[  212.609855]  ? kasan_check_read+0x11/0x20
[  212.613999]  ? do_raw_write_lock+0x14f/0x310
[  212.618412]  __neigh_notify+0x8c/0x160
[  212.622301]  neigh_cleanup_and_release+0x7b/0xe0
[  212.627055]  neigh_periodic_work+0x8d2/0xc60
[  212.631470]  ? neigh_table_clear+0x390/0x390
[  212.635877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  212.641507]  ? check_preemption_disabled+0x48/0x280
[  212.646529]  ? __lock_is_held+0xb5/0x140
[  212.650600]  process_one_work+0xc90/0x1c40
[  212.654830]  ? mark_held_locks+0x130/0x130
[  212.659071]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  212.663734]  ? __switch_to_asm+0x40/0x70
[  212.667789]  ? __switch_to_asm+0x34/0x70
[  212.671844]  ? __switch_to_asm+0x40/0x70
[  212.675903]  ? __switch_to_asm+0x34/0x70
[  212.679956]  ? __switch_to_asm+0x40/0x70
[  212.684008]  ? __switch_to_asm+0x34/0x70
[  212.688061]  ? __switch_to_asm+0x40/0x70
[  212.692125]  ? __schedule+0x8d7/0x21d0
[  212.696022]  ? lock_downgrade+0x900/0x900
[  212.700179]  ? zap_class+0x640/0x640
[  212.703899]  ? find_held_lock+0x36/0x1c0
[  212.707986]  ? lock_acquire+0x1ed/0x520
[  212.711962]  ? worker_thread+0x3e0/0x1390
[  212.716113]  ? kasan_check_read+0x11/0x20
[  212.720257]  ? do_raw_spin_lock+0x14f/0x350
[  212.724575]  ? kasan_check_read+0x11/0x20
[  212.728722]  ? rwlock_bug.part.2+0x90/0x90
[  212.732955]  ? trace_hardirqs_on+0x310/0x310
[  212.737383]  worker_thread+0x17f/0x1390
[  212.741356]  ? __switch_to_asm+0x34/0x70
[  212.745423]  ? process_one_work+0x1c40/0x1c40
[  212.749933]  ? __sched_text_start+0x8/0x8
[  212.754095]  ? __kthread_parkme+0xce/0x1a0
[  212.758341]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  212.763442]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  212.768543]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  212.773125]  ? trace_hardirqs_on+0xbd/0x310
[  212.777441]  ? kasan_check_read+0x11/0x20
[  212.781585]  ? __kthread_parkme+0xce/0x1a0
[  212.785817]  ? trace_hardirqs_off_caller+0x310/0x310
[  212.790925]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  212.796024]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  212.801944]  ? __kthread_parkme+0xfb/0x1a0
[  212.806181]  ? process_one_work+0x1c40/0x1c40
[  212.810678]  kthread+0x35a/0x440
[  212.814068]  ? kthread_stop+0x900/0x900
[  212.818118]  ret_from_fork+0x3a/0x50
[  212.821837] Mem-Info:
[  212.821848] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  212.821859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  212.824271] active_anon:51741 inactive_anon:192 isolated_anon:0
[  212.824271]  active_file:28 inactive_file:10 isolated_file:0
[  212.824271]  unevictable:0 dirty:0 writeback:0 unstable:0
[  212.824271]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  212.824271]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  212.824271]  free:13684 free_pcp:150 free_cma:0
[  212.831511] Call Trace:
[  212.840983] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  212.874084]  <IRQ>
[  212.876659] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  212.904236]  dump_stack+0x244/0x39d
[  212.906354] lowmem_reserve[]: 0 2818 6321 6321
[  212.932740]  ? dump_stack_print_info.cold.1+0x20/0x20
[  212.936339] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  212.940920]  warn_alloc.cold.116+0xb7/0x1bd
[  212.946074] lowmem_reserve[]: 0 0 3503 3503
[  212.973647]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  212.977943] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  212.982256]  ? lock_downgrade+0x900/0x900
[  212.987065] lowmem_reserve[]: 0 0 0 0
[  213.015955]  ? trace_hardirqs_off+0xb8/0x310
[  213.020069] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  213.023868]  ? trace_hardirqs_off+0xb8/0x310
[  213.028255] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  213.041777]  __alloc_pages_slowpath+0x26e8/0x2e10
[  213.046154] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  213.061426]  ? warn_alloc+0x120/0x120
[  213.066235] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  213.081485]  ? warn_alloc+0x120/0x120
[  213.085266] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  213.094087]  ? warn_alloc+0x120/0x120
[  213.097859] 281 total pagecache pages
[  213.106423]  ? print_usage_bug+0xc0/0xc0
[  213.110228] 0 pages in swap cache
[  213.114010]  ? print_usage_bug+0xc0/0xc0
[  213.118041] Swap cache stats: add 0, delete 0, find 0/0
[  213.118048] Free swap  = 0kB
[  213.121494]  ? ktime_get+0x2c1/0x400
[  213.125518] Total swap = 0kB
[  213.125526] 1965979 pages RAM
[  213.130884]  ? check_preemption_disabled+0x48/0x280
[  213.133872] 0 pages HighMem/MovableOnly
[  213.137571]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  213.140562] 342854 pages reserved
[  213.143674]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  213.148663] 0 pages cma reserved
[  213.152628]  ? should_fail+0x22d/0xd01
[  213.173387]  ? kasan_check_read+0x11/0x20
[  213.177548]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  213.182658]  ? __lock_acquire+0x62f/0x4c20
[  213.186904]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  213.192014]  ? should_fail+0x22d/0xd01
[  213.195910]  ? print_usage_bug+0xc0/0xc0
[  213.199984]  ? mark_held_locks+0x130/0x130
[  213.204228]  ? mark_held_locks+0x130/0x130
[  213.208554]  ? check_preemption_disabled+0x48/0x280
[  213.213595]  ? zap_class+0x640/0x640
[  213.217319]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  213.222085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.227626]  ? check_preemption_disabled+0x48/0x280
[  213.232657]  ? __lock_is_held+0xb5/0x140
[  213.236728]  __alloc_pages_nodemask+0xa80/0xde0
[  213.241401]  ? zap_class+0x640/0x640
[  213.245123]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  213.250158]  ? find_held_lock+0x36/0x1c0
[  213.254236]  ? ____cache_alloc_node+0x1c7/0x1e0
[  213.259004]  ? lock_downgrade+0x900/0x900
[  213.263171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.268718]  cache_grow_begin+0xa5/0x8c0
[  213.272789]  ? do_raw_spin_unlock+0xa7/0x330
[  213.277215]  fallback_alloc+0x204/0x2e0
[  213.281200]  ____cache_alloc_node+0x1c7/0x1e0
[  213.285707]  kmem_cache_alloc_node+0xe3/0x730
[  213.290211]  ? lockdep_hardirqs_on+0x296/0x5b0
[  213.294807]  __alloc_skb+0x119/0x770
[  213.298524]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  213.303897]  ? netdev_alloc_frag+0x1f0/0x1f0
[  213.308323]  ? vprintk_default+0x28/0x30
[  213.312392]  ? vprintk_func+0x85/0x181
[  213.316287]  ? printk+0xa7/0xcf
[  213.319572]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  213.324354]  new_skb+0x26/0x1c0
[  213.327642]  aoecmd_cfg+0x279/0x7f0
[  213.331277]  ? find_held_lock+0x36/0x1c0
[  213.335353]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  213.339689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.345240]  ? __lock_is_held+0xb5/0x140
[  213.349336]  discover_timer+0x50/0x60
[  213.353144]  call_timer_fn+0x272/0x920
[  213.357072]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  213.361921]  ? process_timeout+0x40/0x40
[  213.365995]  ? __run_timers+0x7da/0xc70
[  213.369977]  ? _raw_spin_unlock_irq+0x27/0x80
[  213.374473]  ? _raw_spin_unlock_irq+0x27/0x80
[  213.378985]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  213.383836]  ? lockdep_hardirqs_on+0x296/0x5b0
[  213.388427]  ? trace_hardirqs_on+0xbd/0x310
[  213.392755]  ? kasan_check_read+0x11/0x20
[  213.396904]  ? __run_timers+0x7da/0xc70
[  213.400889]  ? trace_hardirqs_off_caller+0x310/0x310
[  213.406011]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  213.410854]  __run_timers+0x7e5/0xc70
[  213.414672]  ? timer_fixup_init+0x70/0x70
[  213.418830]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  213.423855]  ? zap_class+0x640/0x640
[  213.427583]  ? enqueue_hrtimer+0x1a5/0x560
[  213.431822]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  213.437021]  ? find_held_lock+0x36/0x1c0
[  213.441093]  ? zap_class+0x640/0x640
[  213.444818]  ? pvclock_read_flags+0x160/0x160
[  213.449319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.454865]  ? check_preemption_disabled+0x48/0x280
[  213.459898]  ? __lock_is_held+0xb5/0x140
[  213.463969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.469512]  ? check_preemption_disabled+0x48/0x280
[  213.474540]  run_timer_softirq+0x52/0xb0
[  213.478617]  ? rcu_read_lock_sched_held+0x14f/0x180
[  213.483639]  __do_softirq+0x308/0xb7e
[  213.487454]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  213.491964]  ? lock_downgrade+0x900/0x900
[  213.496123]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  213.501239]  ? pvclock_read_flags+0x160/0x160
[  213.505743]  ? lapic_next_event+0x5a/0x90
[  213.509898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.515445]  ? kvm_clock_read+0x18/0x30
[  213.519424]  ? kvm_sched_clock_read+0x9/0x20
[  213.523843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.529391]  ? check_preemption_disabled+0x48/0x280
[  213.534420]  irq_exit+0x17f/0x1c0
[  213.537884]  smp_apic_timer_interrupt+0x1cb/0x760
[  213.542729]  ? smp_reschedule_interrupt+0x109/0x650
[  213.547753]  ? smp_call_function_single_interrupt+0x650/0x650
[  213.553643]  ? interrupt_entry+0xb5/0xc0
[  213.557713]  ? trace_hardirqs_off_caller+0xbb/0x310
[  213.562736]  ? trace_hardirqs_off_caller+0xbb/0x310
[  213.567757]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  213.572607]  ? trace_hardirqs_on_caller+0x310/0x310
[  213.577627]  ? trace_hardirqs_on_caller+0x310/0x310
[  213.582650]  ? task_prio+0x50/0x50
[  213.586200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.591748]  ? check_preemption_disabled+0x48/0x280
[  213.596778]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  213.601639]  apic_timer_interrupt+0xf/0x20
[  213.605872]  </IRQ>
[  213.608113] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  213.613050] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  213.631955] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  213.640007] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  213.647284] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  213.654565] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  213.661836] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  213.669110] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  213.676429]  skb_clone+0x1bb/0x500
[  213.679979]  ? finish_task_switch+0x1b4/0x910
[  213.684482]  ? skb_split+0x11e0/0x11e0
[  213.688378]  ? preempt_notifier_register+0x200/0x200
[  213.693484]  ? __switch_to_asm+0x34/0x70
[  213.697556]  ? __switch_to_asm+0x34/0x70
[  213.701626]  ? __switch_to_asm+0x40/0x70
[  213.705686]  ? __switch_to_asm+0x34/0x70
[  213.709746]  ? __switch_to_asm+0x40/0x70
[  213.713810]  ? __switch_to_asm+0x34/0x70
[  213.717873]  ? __switch_to_asm+0x40/0x70
[  213.721938]  ? __switch_to_asm+0x34/0x70
[  213.726098]  ? __switch_to_asm+0x34/0x70
[  213.730157]  ? __switch_to_asm+0x40/0x70
[  213.734223]  ? __switch_to_asm+0x34/0x70
[  213.738306]  bpf_clone_redirect+0xb9/0x490
[  213.742556]  ? __schedule+0x8d7/0x21d0
[  213.746457]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  213.751480]  ? __sched_text_start+0x8/0x8
[  213.755638]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  213.760229]  ? retint_kernel+0x2d/0x2d
[  213.764122]  ? trace_hardirqs_on_caller+0xc0/0x310
[  213.769059]  ? find_held_lock+0x36/0x1c0
[  213.773132]  ? lock_acquire+0x1ed/0x520
[  213.777113]  ? bpf_test_run+0x3cb/0x780
[  213.781091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  213.786639]  ? check_preemption_disabled+0x48/0x280
[  213.791673]  ? kasan_check_read+0x11/0x20
[  213.795825]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  213.801109]  ? rcu_softirq_qs+0x20/0x20
[  213.805097]  ? preempt_schedule+0x4d/0x60
[  213.809251]  ? ___preempt_schedule+0x16/0x18
[  213.813672]  ? bpf_test_run+0x25d/0x780
[  213.817666]  ? netlink_diag_dump+0x2a0/0x2a0
[  213.822080]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  213.827623]  ? bpf_test_init.isra.10+0x70/0x100
[  213.832307]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  213.837075]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  213.841922]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  213.847472]  ? fput+0x130/0x1a0
[  213.850758]  ? __bpf_prog_get+0x9b/0x290
[  213.854832]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  213.859676]  ? bpf_prog_test_run+0x130/0x1a0
[  213.864119]  ? __x64_sys_bpf+0x3d8/0x520
[  213.868184]  ? bpf_prog_get+0x20/0x20
[  213.872006]  ? do_syscall_64+0x1b9/0x820
[  213.876080]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  213.881447]  ? syscall_return_slowpath+0x5e0/0x5e0
[  213.886384]  ? trace_hardirqs_on_caller+0x310/0x310
[  213.891407]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  213.896430]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  213.903102]  ? __switch_to_asm+0x40/0x70
[  213.907165]  ? __switch_to_asm+0x34/0x70
[  213.911242]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  213.916099]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  213.921545] aoe: skb alloc failure
[  213.925113] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  213.935594] syz-executor2 cpuset=syz2 mems_allowed=0
[  213.940725] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  213.948168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  213.957527] Call Trace:
[  213.960120]  <IRQ>
[  213.962285]  dump_stack+0x244/0x39d
[  213.965924]  ? dump_stack_print_info.cold.1+0x20/0x20
[  213.971131]  warn_alloc.cold.116+0xb7/0x1bd
[  213.975460]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  213.980315]  ? lock_downgrade+0x900/0x900
[  213.984479]  ? trace_hardirqs_off+0xb8/0x310
[  213.988905]  ? trace_hardirqs_off+0xb8/0x310
[  213.993414]  __alloc_pages_slowpath+0x26e8/0x2e10
[  213.998292]  ? warn_alloc+0x120/0x120
[  214.002101]  ? warn_alloc+0x120/0x120
[  214.005907]  ? __lock_acquire+0x62f/0x4c20
[  214.010144]  ? warn_alloc+0x120/0x120
[  214.013949]  ? print_usage_bug+0xc0/0xc0
[  214.018018]  ? print_usage_bug+0xc0/0xc0
[  214.022094]  ? print_usage_bug+0xc0/0xc0
[  214.026166]  ? mark_held_locks+0x130/0x130
[  214.030416]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  214.035964]  ? should_fail+0x22d/0xd01
[  214.039855]  ? zap_class+0x640/0x640
[  214.043580]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  214.048699]  ? __lock_acquire+0x62f/0x4c20
[  214.052943]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  214.058055]  ? should_fail+0x22d/0xd01
[  214.061960]  ? zap_class+0x640/0x640
[  214.065686]  ? mark_held_locks+0x130/0x130
[  214.069956]  ? mark_held_locks+0x130/0x130
[  214.074201]  ? zap_class+0x640/0x640
[  214.077922]  ? zap_class+0x640/0x640
[  214.081639]  ? up+0xea/0x1c0
[  214.084676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.090222]  ? check_preemption_disabled+0x48/0x280
[  214.095252]  ? __lock_is_held+0xb5/0x140
[  214.099331]  __alloc_pages_nodemask+0xa80/0xde0
[  214.104007]  ? zap_class+0x640/0x640
[  214.107729]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  214.112759]  ? find_held_lock+0x36/0x1c0
[  214.116843]  ? ____cache_alloc_node+0x1c7/0x1e0
[  214.121525]  ? lock_downgrade+0x900/0x900
[  214.125688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.131237]  cache_grow_begin+0xa5/0x8c0
[  214.135314]  ? do_raw_spin_unlock+0xa7/0x330
[  214.139733]  fallback_alloc+0x204/0x2e0
[  214.143716]  ____cache_alloc_node+0x1c7/0x1e0
[  214.148219]  kmem_cache_alloc_node+0xe3/0x730
[  214.152718]  ? lockdep_hardirqs_on+0x296/0x5b0
[  214.157321]  __alloc_skb+0x119/0x770
[  214.161040]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  214.166410]  ? netdev_alloc_frag+0x1f0/0x1f0
[  214.170833]  ? vprintk_default+0x28/0x30
[  214.174904]  ? vprintk_func+0x85/0x181
[  214.178800]  ? printk+0xa7/0xcf
[  214.182084]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  214.186857]  new_skb+0x26/0x1c0
[  214.190146]  aoecmd_cfg+0x279/0x7f0
[  214.193810]  ? find_held_lock+0x36/0x1c0
[  214.197880]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  214.202212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.207768]  ? __lock_is_held+0xb5/0x140
[  214.211847]  discover_timer+0x50/0x60
[  214.215655]  call_timer_fn+0x272/0x920
[  214.219550]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  214.224400]  ? process_timeout+0x40/0x40
[  214.228481]  ? __run_timers+0x7da/0xc70
[  214.232471]  ? _raw_spin_unlock_irq+0x27/0x80
[  214.236972]  ? _raw_spin_unlock_irq+0x27/0x80
[  214.241473]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  214.246328]  ? lockdep_hardirqs_on+0x296/0x5b0
[  214.250915]  ? trace_hardirqs_on+0xbd/0x310
[  214.255256]  ? kasan_check_read+0x11/0x20
[  214.259409]  ? __run_timers+0x7da/0xc70
[  214.263392]  ? trace_hardirqs_off_caller+0x310/0x310
[  214.268518]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  214.273361]  __run_timers+0x7e5/0xc70
[  214.277174]  ? timer_fixup_init+0x70/0x70
[  214.281326]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  214.286953]  ? zap_class+0x640/0x640
[  214.290846]  ? enqueue_hrtimer+0x1a5/0x560
[  214.295088]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  214.300288]  ? find_held_lock+0x36/0x1c0
[  214.304360]  ? zap_class+0x640/0x640
[  214.308080]  ? pvclock_read_flags+0x160/0x160
[  214.312584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.318129]  ? check_preemption_disabled+0x48/0x280
[  214.323160]  ? __lock_is_held+0xb5/0x140
[  214.327227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.332770]  ? check_preemption_disabled+0x48/0x280
[  214.337799]  run_timer_softirq+0x52/0xb0
[  214.341865]  ? rcu_read_lock_sched_held+0x14f/0x180
[  214.346885]  __do_softirq+0x308/0xb7e
[  214.350693]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  214.355188]  ? lock_downgrade+0x900/0x900
[  214.359348]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  214.364460]  ? pvclock_read_flags+0x160/0x160
[  214.368964]  ? lapic_next_event+0x5a/0x90
[  214.373118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.378667]  ? kvm_clock_read+0x18/0x30
[  214.382643]  ? kvm_sched_clock_read+0x9/0x20
[  214.387069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.392615]  ? check_preemption_disabled+0x48/0x280
[  214.397647]  irq_exit+0x17f/0x1c0
[  214.401113]  smp_apic_timer_interrupt+0x1cb/0x760
[  214.405957]  ? smp_reschedule_interrupt+0x109/0x650
[  214.410977]  ? smp_call_function_single_interrupt+0x650/0x650
[  214.416862]  ? interrupt_entry+0xb5/0xc0
[  214.420930]  ? trace_hardirqs_off_caller+0xbb/0x310
[  214.425947]  ? trace_hardirqs_off_caller+0xbb/0x310
[  214.430968]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  214.435817]  ? trace_hardirqs_on_caller+0x310/0x310
[  214.440838]  ? trace_hardirqs_on_caller+0x310/0x310
[  214.445857]  ? task_prio+0x50/0x50
[  214.449410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.454956]  ? check_preemption_disabled+0x48/0x280
[  214.459985]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  214.466499]  apic_timer_interrupt+0xf/0x20
[  214.470732]  </IRQ>
[  214.472985] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  214.477925] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  214.496826] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  214.504537] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  214.511813] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  214.519082] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  214.526349] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  214.533617] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  214.540931]  skb_clone+0x1bb/0x500
[  214.544489]  ? finish_task_switch+0x1b4/0x910
[  214.548993]  ? skb_split+0x11e0/0x11e0
[  214.552891]  ? preempt_notifier_register+0x200/0x200
[  214.557993]  ? __switch_to_asm+0x34/0x70
[  214.562053]  ? __switch_to_asm+0x34/0x70
[  214.566112]  ? __switch_to_asm+0x40/0x70
[  214.570171]  ? __switch_to_asm+0x34/0x70
[  214.574235]  ? __switch_to_asm+0x40/0x70
[  214.578356]  ? __switch_to_asm+0x34/0x70
[  214.582416]  ? __switch_to_asm+0x40/0x70
[  214.586484]  ? __switch_to_asm+0x34/0x70
[  214.590551]  ? __switch_to_asm+0x34/0x70
[  214.594612]  ? __switch_to_asm+0x40/0x70
[  214.598760]  ? __switch_to_asm+0x34/0x70
[  214.602830]  bpf_clone_redirect+0xb9/0x490
[  214.607068]  ? __schedule+0x8d7/0x21d0
[  214.610966]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  214.615990]  ? __sched_text_start+0x8/0x8
[  214.620148]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  214.624729]  ? retint_kernel+0x2d/0x2d
[  214.628628]  ? trace_hardirqs_on_caller+0xc0/0x310
[  214.633570]  ? find_held_lock+0x36/0x1c0
[  214.637644]  ? lock_acquire+0x1ed/0x520
[  214.641624]  ? bpf_test_run+0x3cb/0x780
[  214.645604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  214.651150]  ? check_preemption_disabled+0x48/0x280
[  214.656187]  ? kasan_check_read+0x11/0x20
[  214.660343]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  214.665624]  ? rcu_softirq_qs+0x20/0x20
[  214.669603]  ? preempt_schedule+0x4d/0x60
[  214.673753]  ? ___preempt_schedule+0x16/0x18
[  214.678175]  ? bpf_test_run+0x25d/0x780
[  214.682167]  ? netlink_diag_dump+0x2a0/0x2a0
[  214.686580]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  214.692120]  ? bpf_test_init.isra.10+0x70/0x100
[  214.696805]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  214.701577]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  214.706426]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  214.711975]  ? fput+0x130/0x1a0
[  214.715259]  ? __bpf_prog_get+0x9b/0x290
[  214.719328]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  214.724175]  ? bpf_prog_test_run+0x130/0x1a0
[  214.728593]  ? __x64_sys_bpf+0x3d8/0x520
[  214.732657]  ? bpf_prog_get+0x20/0x20
[  214.736487]  ? do_syscall_64+0x1b9/0x820
[  214.740558]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  214.745928]  ? syscall_return_slowpath+0x5e0/0x5e0
[  214.750864]  ? trace_hardirqs_on_caller+0x310/0x310
[  214.755888]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  214.760909]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  214.767580]  ? __switch_to_asm+0x40/0x70
[  214.771643]  ? __switch_to_asm+0x34/0x70
[  214.775722]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  214.780579]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  214.785958] warn_alloc_show_mem: 1 callbacks suppressed
[  214.785963] Mem-Info:
[  214.793765] active_anon:51741 inactive_anon:192 isolated_anon:0
[  214.793765]  active_file:28 inactive_file:10 isolated_file:0
[  214.793765]  unevictable:0 dirty:0 writeback:0 unstable:0
[  214.793765]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  214.793765]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  214.793765]  free:13684 free_pcp:150 free_cma:0
[  214.827226] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  214.854817] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  214.880957] lowmem_reserve[]: 0 2818 6321 6321
[  214.885554] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  214.913340] lowmem_reserve[]: 0 0 3503 3503
[  214.917677] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:216kB free_cma:0kB
[  214.946682] lowmem_reserve[]: 0 0 0 0
[  214.950498] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  214.964088] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  214.979546] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  214.994891] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  215.003730] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  215.012305] 281 total pagecache pages
[  215.016112] 0 pages in swap cache
[  215.019562] Swap cache stats: add 0, delete 0, find 0/0
[  215.024916] Free swap  = 0kB
[  215.027926] Total swap = 0kB
[  215.030939] 1965979 pages RAM
[  215.034044] 0 pages HighMem/MovableOnly
[  215.038011] 342854 pages reserved
[  215.041454] 0 pages cma reserved
[  215.044902] aoe: skb alloc failure
[  215.047285] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  215.048491] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  215.058860] syz-fuzzer cpuset=/ mems_allowed=0
[  215.069323] syz-executor2 cpuset=syz2 mems_allowed=0
[  215.073963] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  215.086032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  215.095377] Call Trace:
[  215.097956]  <IRQ>
[  215.100113]  dump_stack+0x244/0x39d
[  215.103740]  ? dump_stack_print_info.cold.1+0x20/0x20
[  215.108942]  warn_alloc.cold.116+0xb7/0x1bd
[  215.113265]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  215.118110]  ? lock_downgrade+0x900/0x900
[  215.122263]  ? trace_hardirqs_off+0xb8/0x310
[  215.126760]  ? trace_hardirqs_off+0xb8/0x310
[  215.131174]  __alloc_pages_slowpath+0x26e8/0x2e10
[  215.136040]  ? warn_alloc+0x120/0x120
[  215.139842]  ? find_held_lock+0x36/0x1c0
[  215.143903]  ? warn_alloc+0x120/0x120
[  215.147704]  ? warn_alloc+0x120/0x120
[  215.151503]  ? print_usage_bug+0xc0/0xc0
[  215.155823]  ? print_usage_bug+0xc0/0xc0
[  215.159889]  ? __lock_acquire+0x62f/0x4c20
[  215.164126]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  215.169660]  ? should_fail+0x22d/0xd01
[  215.173550]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  215.178648]  ? __lock_acquire+0x62f/0x4c20
[  215.182894]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  215.187994]  ? __lock_acquire+0x62f/0x4c20
[  215.192228]  ? should_fail+0x22d/0xd01
[  215.196123]  ? mark_held_locks+0x130/0x130
[  215.200361]  ? mark_held_locks+0x130/0x130
[  215.204590]  ? __enqueue_entity+0x10d/0x1f0
[  215.208912]  ? zap_class+0x640/0x640
[  215.212621]  ? print_usage_bug+0xc0/0xc0
[  215.216680]  ? __lock_acquire+0x62f/0x4c20
[  215.220913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.226454]  ? check_preemption_disabled+0x48/0x280
[  215.231476]  ? __lock_is_held+0xb5/0x140
[  215.235539]  __alloc_pages_nodemask+0xa80/0xde0
[  215.240205]  ? zap_class+0x640/0x640
[  215.243923]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  215.248944]  ? find_held_lock+0x36/0x1c0
[  215.253015]  ? ____cache_alloc_node+0x1c7/0x1e0
[  215.257688]  ? lock_downgrade+0x900/0x900
[  215.261924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.267458]  cache_grow_begin+0xa5/0x8c0
[  215.271520]  ? do_raw_spin_unlock+0xa7/0x330
[  215.275929]  fallback_alloc+0x204/0x2e0
[  215.279902]  ____cache_alloc_node+0x1c7/0x1e0
[  215.284405]  kmem_cache_alloc_node+0xe3/0x730
[  215.288900]  ? ipv6_get_ifaddr+0x42e/0x620
[  215.293139]  __alloc_skb+0x119/0x770
[  215.296846]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  215.302123]  ? netdev_alloc_frag+0x1f0/0x1f0
[  215.306528]  ? lock_downgrade+0x900/0x900
[  215.310680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.316213]  ? refcount_sub_and_test_checked+0x203/0x310
[  215.321669]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  215.327117]  ? addrconf_rs_timer+0x690/0x690
[  215.331532]  ndisc_alloc_skb+0x144/0x340
[  215.335595]  ndisc_send_rs+0x331/0x6e0
[  215.339493]  addrconf_rs_timer+0x314/0x690
[  215.343732]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  215.347974]  call_timer_fn+0x272/0x920
[  215.351860]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  215.356091]  ? process_timeout+0x40/0x40
[  215.360162]  ? mark_held_locks+0xc7/0x130
[  215.364312]  ? _raw_spin_unlock_irq+0x27/0x80
[  215.368819]  ? _raw_spin_unlock_irq+0x27/0x80
[  215.373307]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  215.377547]  ? lockdep_hardirqs_on+0x296/0x5b0
[  215.382129]  ? trace_hardirqs_on+0xbd/0x310
[  215.386447]  ? kasan_check_read+0x11/0x20
[  215.390589]  ? __run_timers+0x7da/0xc70
[  215.394558]  ? trace_hardirqs_off_caller+0x310/0x310
[  215.399690]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  215.403919]  __run_timers+0x7e5/0xc70
[  215.407724]  ? timer_fixup_init+0x70/0x70
[  215.411867]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  215.416879]  ? zap_class+0x640/0x640
[  215.420596]  ? print_usage_bug+0xc0/0xc0
[  215.424662]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  215.429852]  ? find_held_lock+0x36/0x1c0
[  215.433912]  ? zap_class+0x640/0x640
[  215.437629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.443171]  ? check_preemption_disabled+0x48/0x280
[  215.448190]  ? __lock_is_held+0xb5/0x140
[  215.452246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.457779]  ? check_preemption_disabled+0x48/0x280
[  215.462798]  run_timer_softirq+0x52/0xb0
[  215.466855]  ? rcu_read_lock_sched_held+0x14f/0x180
[  215.471867]  __do_softirq+0x308/0xb7e
[  215.475669]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  215.480162]  ? lock_downgrade+0x900/0x900
[  215.484308]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  215.489420]  ? pvclock_read_flags+0x160/0x160
[  215.493913]  ? lapic_next_event+0x5a/0x90
[  215.498061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.503613]  ? kvm_clock_read+0x18/0x30
[  215.507586]  ? kvm_sched_clock_read+0x9/0x20
[  215.511990]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  215.517524]  ? check_preemption_disabled+0x48/0x280
[  215.522547]  irq_exit+0x17f/0x1c0
[  215.525997]  smp_apic_timer_interrupt+0x1cb/0x760
[  215.530834]  ? smp_call_function_single_interrupt+0x159/0x650
[  215.536713]  ? smp_call_function_single_interrupt+0x650/0x650
[  215.542591]  ? interrupt_entry+0xb5/0xc0
[  215.546651]  ? trace_hardirqs_off_caller+0xbb/0x310
[  215.551662]  ? trace_hardirqs_off_caller+0xbb/0x310
[  215.556675]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  215.561512]  ? trace_hardirqs_on_caller+0x310/0x310
[  215.566523]  ? trace_hardirqs_on_caller+0x310/0x310
[  215.571544]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  215.576395]  apic_timer_interrupt+0xf/0x20
[  215.580623]  </IRQ>
[  215.582858] RIP: 0010:write_comp_data+0xd/0x70
[  215.587437] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  215.606333] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  215.614048] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  215.621309] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  215.628573] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  215.636354] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  215.643631] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  215.650928]  ? list_lru_count_one+0x36d/0x450
[  215.655433]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  215.660794]  list_lru_count_one+0x36d/0x450
[  215.665111]  ? list_lru_isolate_move+0x3c0/0x3c0
[  215.669860]  ? shmem_free_inode+0xd0/0xd0
[  215.674004]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  215.679555]  ? ubifs_shrink_count+0xc4/0x100
[  215.683966]  super_cache_count+0x1b9/0x2e0
[  215.688200]  do_shrink_slab+0x1b1/0xd30
[  215.692175]  ? lock_acquire+0x1ed/0x520
[  215.696148]  ? snapshot_refaults+0x290/0x290
[  215.700552]  ? lock_release+0xa00/0xa00
[  215.704526]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  215.709460]  ? down_read_trylock+0xda/0x140
[  215.713777]  ? shrink_slab+0x207/0x8c0
[  215.717659]  ? downgrade_write+0x270/0x270
[  215.721900]  shrink_slab+0x389/0x8c0
[  215.725608]  ? shrink_active_list+0x1f00/0x1f00
[  215.730285]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  215.735906]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  215.741012]  ? cgroup_procs_write_finish+0xf0/0xf0
[  215.745950]  ? find_held_lock+0x36/0x1c0
[  215.750014]  shrink_node+0x431/0x16b0
[  215.753811]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  215.759105]  ? shrink_node_memcg+0x18f0/0x18f0
[  215.763689]  ? kvm_clock_read+0x18/0x30
[  215.767662]  ? ktime_get+0x2c1/0x400
[  215.771383]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  215.775877]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  215.781410]  ? __cpuset_node_allowed+0x19b/0x660
[  215.786165]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  215.791873]  ? delayacct_end+0x5a/0x100
[  215.795849]  do_try_to_free_pages+0x3e7/0x1290
[  215.800425]  ? zap_class+0x640/0x640
[  215.804151]  ? shrink_node+0x16b0/0x16b0
[  215.808227]  ? __lock_is_held+0xb5/0x140
[  215.812295]  try_to_free_pages+0x4d0/0xb90
[  215.816528]  ? do_try_to_free_pages+0x1290/0x1290
[  215.821385]  ? lock_acquire+0x1ed/0x520
[  215.825361]  ? set_page_refcounted+0x280/0x280
[  215.829953]  ? lock_release+0xa00/0xa00
[  215.833923]  ? _raw_spin_unlock_irq+0x60/0x80
[  215.838414]  ? psi_memstall_enter+0x240/0x2b0
[  215.842908]  ? psi_memstall_tick+0x230/0x230
[  215.847322]  __alloc_pages_slowpath+0xa14/0x2e10
[  215.852105]  ? warn_alloc+0x120/0x120
[  215.855902]  ? mark_held_locks+0x130/0x130
[  215.860145]  ? find_get_entry+0xaae/0x1120
[  215.864388]  ? filemap_map_pages+0x1a20/0x1a20
[  215.868970]  ? zap_class+0x640/0x640
[  215.872688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  215.878228]  ? check_preemption_disabled+0x48/0x280
[  215.883255]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  215.888788]  ? should_fail+0x22d/0xd01
[  215.892678]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  215.897780]  ? zap_class+0x640/0x640
[  215.901511]  ? __lock_is_held+0xb5/0x140
[  215.905574]  ? mark_held_locks+0x130/0x130
[  215.909809]  ? lock_release+0xa00/0xa00
[  215.913785]  ? perf_trace_sched_process_exec+0x860/0x860
[  215.919234]  ? xa_load+0x2ba/0x460
[  215.922770]  ? lock_downgrade+0x900/0x900
[  215.926916]  ? __might_sleep+0x95/0x190
[  215.930888]  __alloc_pages_nodemask+0xa80/0xde0
[  215.935574]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  215.940587]  ? __page_cache_alloc+0x191/0x5c0
[  215.945080]  ? xa_load+0x2e1/0x460
[  215.948622]  ? xa_clear_mark+0x40/0x40
[  215.952506]  ? zap_class+0x640/0x640
[  215.956220]  ? zap_class+0x640/0x640
[  215.959932]  ? zap_class+0x640/0x640
[  215.963645]  ? __do_page_cache_readahead+0x663/0x810
[  215.968747]  ? find_held_lock+0x36/0x1c0
[  215.972807]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  215.978354]  alloc_pages_current+0x173/0x350
[  215.982762]  __page_cache_alloc+0x38c/0x5c0
[  215.987077]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  215.992017]  ? kasan_check_read+0x11/0x20
[  215.996165]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  216.001438]  ? generic_perform_write+0x6a0/0x6a0
[  216.006204]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  216.011737]  ? check_preemption_disabled+0x48/0x280
[  216.016770]  filemap_fault+0x1595/0x25f0
[  216.020837]  ? __lock_page_or_retry+0xa00/0xa00
[  216.025508]  ? mark_held_locks+0x130/0x130
[  216.029761]  ? filemap_map_pages+0xd6b/0x1a20
[  216.034254]  ? lock_downgrade+0x900/0x900
[  216.038395]  ? check_preemption_disabled+0x48/0x280
[  216.043410]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  216.048341]  ? kasan_check_read+0x11/0x20
[  216.052496]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  216.057771]  ? rcu_softirq_qs+0x20/0x20
[  216.061772]  ? filemap_map_pages+0xd92/0x1a20
[  216.066273]  ? find_get_entries_tag+0x1400/0x1400
[  216.071113]  ? debug_object_destroy+0x2b0/0x2b0
[  216.075778]  ? lock_pi_update_atomic+0x150/0x150
[  216.080529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.086075]  ? lock_acquire+0x1ed/0x520
[  216.090048]  ? ext4_filemap_fault+0x7a/0xad
[  216.094372]  ? lock_release+0xa00/0xa00
[  216.098347]  ? perf_trace_sched_process_exec+0x860/0x860
[  216.103794]  ? print_usage_bug+0xc0/0xc0
[  216.107851]  ? print_usage_bug+0xc0/0xc0
[  216.111917]  ? down_read+0x8d/0x120
[  216.115536]  ? ext4_filemap_fault+0x7a/0xad
[  216.119857]  ? __down_interruptible+0x700/0x700
[  216.124533]  ext4_filemap_fault+0x82/0xad
[  216.128676]  __do_fault+0x100/0x6b0
[  216.132302]  ? pmd_devmap_trans_unstable+0x220/0x220
[  216.137410]  ? mark_held_locks+0x130/0x130
[  216.141644]  ? mark_held_locks+0x130/0x130
[  216.145876]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  216.151146]  ? rcu_softirq_qs+0x20/0x20
[  216.155123]  ? kasan_check_write+0x14/0x20
[  216.159362]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  216.164903]  __handle_mm_fault+0x3ea0/0x5be0
[  216.169321]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  216.174176]  ? aa_path_link+0x5e0/0x5e0
[  216.178157]  ? ksys_dup3+0x680/0x680
[  216.181907]  ? zap_class+0x640/0x640
[  216.185617]  ? zap_class+0x640/0x640
[  216.189331]  ? __x64_sys_futex+0x53e/0x6a0
[  216.193569]  ? find_held_lock+0x36/0x1c0
[  216.197639]  ? handle_mm_fault+0x42a/0xc70
[  216.201870]  ? lock_downgrade+0x900/0x900
[  216.206015]  ? check_preemption_disabled+0x48/0x280
[  216.211032]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  216.215960]  ? kasan_check_read+0x11/0x20
[  216.220105]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  216.225376]  ? rcu_softirq_qs+0x20/0x20
[  216.229350]  ? trace_hardirqs_off_caller+0x310/0x310
[  216.234450]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  216.239984]  ? check_preemption_disabled+0x48/0x280
[  216.245003]  handle_mm_fault+0x54f/0xc70
[  216.249066]  ? __handle_mm_fault+0x5be0/0x5be0
[  216.253646]  ? find_vma+0x34/0x190
[  216.257186]  __do_page_fault+0x5e8/0xe60
[  216.261245]  ? trace_hardirqs_off+0xb8/0x310
[  216.265657]  do_page_fault+0xf2/0x7e0
[  216.269458]  ? vmalloc_sync_all+0x30/0x30
[  216.273605]  ? error_entry+0x70/0xd0
[  216.277323]  ? trace_hardirqs_off_caller+0xbb/0x310
[  216.282336]  ? trace_hardirqs_on_caller+0xc0/0x310
[  216.287262]  ? syscall_return_slowpath+0x5e0/0x5e0
[  216.292185]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  216.297029]  ? trace_hardirqs_on_caller+0x310/0x310
[  216.302045]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  216.307498]  ? prepare_exit_to_usermode+0x291/0x3b0
[  216.312513]  ? page_fault+0x8/0x30
[  216.316055]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  216.320903]  ? page_fault+0x8/0x30
[  216.324439]  page_fault+0x1e/0x30
[  216.327887] RIP: 0033:0x40f9c0
[  216.331102] Code: Bad RIP value.
[  216.334459] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  216.339816] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  216.347079] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  216.354341] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  216.361602] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  216.368865] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  216.376147] Mem-Info:
[  216.376158] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  216.376168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  216.378582] active_anon:51741 inactive_anon:192 isolated_anon:0
[  216.378582]  active_file:28 inactive_file:10 isolated_file:0
[  216.378582]  unevictable:0 dirty:0 writeback:0 unstable:0
[  216.378582]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  216.378582]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  216.378582]  free:13684 free_pcp:150 free_cma:0
[  216.385827] Call Trace:
[  216.395201] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  216.428129]  <IRQ>
[  216.430700] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  216.458360]  dump_stack+0x244/0x39d
[  216.460483] lowmem_reserve[]: 0 2818 6321 6321
[  216.486585]  ? dump_stack_print_info.cold.1+0x20/0x20
[  216.490185] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  216.494768]  warn_alloc.cold.116+0xb7/0x1bd
[  216.499919] lowmem_reserve[]: 0 0 3503 3503
[  216.527499]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  216.531792] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  216.536106]  ? lock_downgrade+0x900/0x900
[  216.540916] lowmem_reserve[]: 0 0 0 0
[  216.569797]  ? trace_hardirqs_off+0xb8/0x310
[  216.573912] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  216.577707]  ? trace_hardirqs_off+0xb8/0x310
[  216.582086] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  216.595605]  __alloc_pages_slowpath+0x26e8/0x2e10
[  216.599995] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  216.615266]  ? warn_alloc+0x120/0x120
[  216.620067] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  216.635311]  ? warn_alloc+0x120/0x120
[  216.639089] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  216.647907]  ? warn_alloc+0x120/0x120
[  216.651683] 281 total pagecache pages
[  216.660251]  ? print_usage_bug+0xc0/0xc0
[  216.664032] 0 pages in swap cache
[  216.667818]  ? print_usage_bug+0xc0/0xc0
[  216.671854] Swap cache stats: add 0, delete 0, find 0/0
[  216.675302]  ? ktime_get+0x2c1/0x400
[  216.679331] Free swap  = 0kB
[  216.684688]  ? check_preemption_disabled+0x48/0x280
[  216.688371] Total swap = 0kB
[  216.691375]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  216.696363] 1965979 pages RAM
[  216.699372]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  216.703834] 0 pages HighMem/MovableOnly
[  216.703841] 342854 pages reserved
[  216.706936]  ? should_fail+0x22d/0xd01
[  216.712445] 0 pages cma reserved
[  216.716407]  ? kasan_check_read+0x11/0x20
[  216.720176] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  216.723709]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  216.727110] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  216.731191]  ? __lock_acquire+0x62f/0x4c20
[  216.737651] syz-fuzzer cpuset=/ mems_allowed=0
[  216.742743]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  216.766806]  ? should_fail+0x22d/0xd01
[  216.770694]  ? print_usage_bug+0xc0/0xc0
[  216.774760]  ? mark_held_locks+0x130/0x130
[  216.778993]  ? mark_held_locks+0x130/0x130
[  216.783230]  ? check_preemption_disabled+0x48/0x280
[  216.788263]  ? zap_class+0x640/0x640
[  216.791977]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  216.796734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.802797]  ? check_preemption_disabled+0x48/0x280
[  216.807820]  ? __lock_is_held+0xb5/0x140
[  216.811886]  __alloc_pages_nodemask+0xa80/0xde0
[  216.816551]  ? zap_class+0x640/0x640
[  216.820271]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  216.825300]  ? find_held_lock+0x36/0x1c0
[  216.829372]  ? ____cache_alloc_node+0x1c7/0x1e0
[  216.834042]  ? lock_downgrade+0x900/0x900
[  216.838194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.843731]  cache_grow_begin+0xa5/0x8c0
[  216.847791]  ? do_raw_spin_unlock+0xa7/0x330
[  216.852204]  fallback_alloc+0x204/0x2e0
[  216.856182]  ____cache_alloc_node+0x1c7/0x1e0
[  216.860802]  kmem_cache_alloc_node+0xe3/0x730
[  216.865298]  ? lockdep_hardirqs_on+0x296/0x5b0
[  216.869884]  __alloc_skb+0x119/0x770
[  216.873594]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  216.878957]  ? netdev_alloc_frag+0x1f0/0x1f0
[  216.883368]  ? vprintk_default+0x28/0x30
[  216.887427]  ? vprintk_func+0x85/0x181
[  216.891312]  ? printk+0xa7/0xcf
[  216.894588]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  216.899354]  new_skb+0x26/0x1c0
[  216.902630]  aoecmd_cfg+0x279/0x7f0
[  216.906341]  ? find_held_lock+0x36/0x1c0
[  216.910416]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  216.914739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  216.920286]  ? __lock_is_held+0xb5/0x140
[  216.924351]  discover_timer+0x50/0x60
[  216.928147]  call_timer_fn+0x272/0x920
[  216.932034]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  216.936870]  ? process_timeout+0x40/0x40
[  216.940931]  ? __run_timers+0x7da/0xc70
[  216.944906]  ? _raw_spin_unlock_irq+0x27/0x80
[  216.949399]  ? _raw_spin_unlock_irq+0x27/0x80
[  216.953894]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  216.958732]  ? lockdep_hardirqs_on+0x296/0x5b0
[  216.963320]  ? trace_hardirqs_on+0xbd/0x310
[  216.967637]  ? kasan_check_read+0x11/0x20
[  216.971777]  ? __run_timers+0x7da/0xc70
[  216.975750]  ? trace_hardirqs_off_caller+0x310/0x310
[  216.980858]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  216.985694]  __run_timers+0x7e5/0xc70
[  216.989497]  ? timer_fixup_init+0x70/0x70
[  216.993641]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  216.998653]  ? zap_class+0x640/0x640
[  217.002365]  ? enqueue_hrtimer+0x1a5/0x560
[  217.006597]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  217.011788]  ? find_held_lock+0x36/0x1c0
[  217.015864]  ? zap_class+0x640/0x640
[  217.019578]  ? pvclock_read_flags+0x160/0x160
[  217.024071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.029607]  ? check_preemption_disabled+0x48/0x280
[  217.034628]  ? __lock_is_held+0xb5/0x140
[  217.038696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.044232]  ? check_preemption_disabled+0x48/0x280
[  217.049262]  run_timer_softirq+0x52/0xb0
[  217.053321]  ? rcu_read_lock_sched_held+0x14f/0x180
[  217.058348]  __do_softirq+0x308/0xb7e
[  217.062151]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  217.066640]  ? lock_downgrade+0x900/0x900
[  217.070786]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  217.076000]  ? pvclock_read_flags+0x160/0x160
[  217.080494]  ? lapic_next_event+0x5a/0x90
[  217.084640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.090180]  ? kvm_clock_read+0x18/0x30
[  217.094148]  ? kvm_sched_clock_read+0x9/0x20
[  217.098553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.104089]  ? check_preemption_disabled+0x48/0x280
[  217.109111]  irq_exit+0x17f/0x1c0
[  217.112566]  smp_apic_timer_interrupt+0x1cb/0x760
[  217.117414]  ? smp_reschedule_interrupt+0x109/0x650
[  217.122429]  ? smp_call_function_single_interrupt+0x650/0x650
[  217.128307]  ? interrupt_entry+0xb5/0xc0
[  217.132381]  ? trace_hardirqs_off_caller+0xbb/0x310
[  217.137392]  ? trace_hardirqs_off_caller+0xbb/0x310
[  217.142404]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  217.147248]  ? trace_hardirqs_on_caller+0x310/0x310
[  217.152264]  ? trace_hardirqs_on_caller+0x310/0x310
[  217.157277]  ? task_prio+0x50/0x50
[  217.160815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.166373]  ? check_preemption_disabled+0x48/0x280
[  217.171390]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  217.176245]  apic_timer_interrupt+0xf/0x20
[  217.180474]  </IRQ>
[  217.182719] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  217.187646] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  217.206538] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  217.214247] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  217.221509] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  217.228771] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  217.236033] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  217.243310] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  217.250608]  skb_clone+0x1bb/0x500
[  217.254406]  ? finish_task_switch+0x1b4/0x910
[  217.258900]  ? skb_split+0x11e0/0x11e0
[  217.262787]  ? preempt_notifier_register+0x200/0x200
[  217.267882]  ? __switch_to_asm+0x34/0x70
[  217.271936]  ? __switch_to_asm+0x34/0x70
[  217.276010]  ? __switch_to_asm+0x40/0x70
[  217.280063]  ? __switch_to_asm+0x34/0x70
[  217.284117]  ? __switch_to_asm+0x40/0x70
[  217.288169]  ? __switch_to_asm+0x34/0x70
[  217.292236]  ? __switch_to_asm+0x40/0x70
[  217.296291]  ? __switch_to_asm+0x34/0x70
[  217.300345]  ? __switch_to_asm+0x34/0x70
[  217.304398]  ? __switch_to_asm+0x40/0x70
[  217.308451]  ? __switch_to_asm+0x34/0x70
[  217.312535]  bpf_clone_redirect+0xb9/0x490
[  217.316783]  ? __schedule+0x8d7/0x21d0
[  217.320674]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  217.325687]  ? __sched_text_start+0x8/0x8
[  217.329835]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  217.334413]  ? retint_kernel+0x2d/0x2d
[  217.338301]  ? trace_hardirqs_on_caller+0xc0/0x310
[  217.343238]  ? find_held_lock+0x36/0x1c0
[  217.347314]  ? lock_acquire+0x1ed/0x520
[  217.351285]  ? bpf_test_run+0x3cb/0x780
[  217.355256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.360795]  ? check_preemption_disabled+0x48/0x280
[  217.365820]  ? kasan_check_read+0x11/0x20
[  217.369968]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  217.375257]  ? rcu_softirq_qs+0x20/0x20
[  217.379235]  ? preempt_schedule+0x4d/0x60
[  217.383394]  ? ___preempt_schedule+0x16/0x18
[  217.387805]  ? bpf_test_run+0x25d/0x780
[  217.391784]  ? netlink_diag_dump+0x2a0/0x2a0
[  217.396190]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  217.401728]  ? bpf_test_init.isra.10+0x70/0x100
[  217.406398]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  217.411158]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  217.415994]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  217.421526]  ? fput+0x130/0x1a0
[  217.424802]  ? __bpf_prog_get+0x9b/0x290
[  217.428863]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  217.433702]  ? bpf_prog_test_run+0x130/0x1a0
[  217.438111]  ? __x64_sys_bpf+0x3d8/0x520
[  217.442166]  ? bpf_prog_get+0x20/0x20
[  217.445982]  ? do_syscall_64+0x1b9/0x820
[  217.450042]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  217.455412]  ? syscall_return_slowpath+0x5e0/0x5e0
[  217.460339]  ? trace_hardirqs_on_caller+0x310/0x310
[  217.465351]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  217.470368]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  217.477043]  ? __switch_to_asm+0x40/0x70
[  217.481097]  ? __switch_to_asm+0x34/0x70
[  217.485157]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  217.490000]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  217.495377] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  217.495473] aoe: skb alloc failure
[  217.502391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  217.502396] Call Trace:
[  217.502403]  <IRQ>
[  217.502420]  dump_stack+0x244/0x39d
[  217.502438]  ? dump_stack_print_info.cold.1+0x20/0x20
[  217.505986] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  217.515302]  warn_alloc.cold.116+0xb7/0x1bd
[  217.517854] syz-executor2 cpuset=syz2 mems_allowed=0
[  217.519994]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  217.553460]  ? lock_downgrade+0x900/0x900
[  217.557642]  ? trace_hardirqs_off+0xb8/0x310
[  217.562051]  ? trace_hardirqs_off+0xb8/0x310
[  217.566467]  __alloc_pages_slowpath+0x26e8/0x2e10
[  217.571327]  ? warn_alloc+0x120/0x120
[  217.575124]  ? print_usage_bug+0xc0/0xc0
[  217.579181]  ? warn_alloc+0x120/0x120
[  217.582985]  ? rcu_softirq_qs+0x20/0x20
[  217.586955]  ? warn_alloc+0x120/0x120
[  217.590749]  ? print_usage_bug+0xc0/0xc0
[  217.594809]  ? print_usage_bug+0xc0/0xc0
[  217.598866]  ? __lock_acquire+0x62f/0x4c20
[  217.603103]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  217.608641]  ? should_fail+0x22d/0xd01
[  217.612526]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  217.617630]  ? __lock_acquire+0x62f/0x4c20
[  217.621875]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  217.626969]  ? __lock_acquire+0x62f/0x4c20
[  217.631205]  ? should_fail+0x22d/0xd01
[  217.635580]  ? find_held_lock+0x36/0x1c0
[  217.639650]  ? mark_held_locks+0x130/0x130
[  217.643886]  ? mark_held_locks+0x130/0x130
[  217.648112]  ? zap_class+0x640/0x640
[  217.651820]  ? zap_class+0x640/0x640
[  217.655534]  ? print_usage_bug+0xc0/0xc0
[  217.659590]  ? do_raw_spin_unlock+0xa7/0x330
[  217.663992]  ? zap_class+0x640/0x640
[  217.667698]  ? print_usage_bug+0xc0/0xc0
[  217.671754]  ? wq_watchdog_touch+0x9c/0xfe
[  217.675989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.681523]  ? check_preemption_disabled+0x48/0x280
[  217.686546]  ? __lock_is_held+0xb5/0x140
[  217.690610]  __alloc_pages_nodemask+0xa80/0xde0
[  217.695276]  ? zap_class+0x640/0x640
[  217.698990]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  217.704009]  ? find_held_lock+0x36/0x1c0
[  217.708087]  ? ____cache_alloc_node+0x1c7/0x1e0
[  217.712750]  ? lock_downgrade+0x900/0x900
[  217.716904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.722451]  cache_grow_begin+0xa5/0x8c0
[  217.726509]  ? do_raw_spin_unlock+0xa7/0x330
[  217.730920]  fallback_alloc+0x204/0x2e0
[  217.734895]  ____cache_alloc_node+0x1c7/0x1e0
[  217.739392]  kmem_cache_alloc_node+0xe3/0x730
[  217.743887]  ? ipv6_get_ifaddr+0x42e/0x620
[  217.748123]  __alloc_skb+0x119/0x770
[  217.751831]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  217.757107]  ? netdev_alloc_frag+0x1f0/0x1f0
[  217.761514]  ? lock_downgrade+0x900/0x900
[  217.765663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.771198]  ? refcount_sub_and_test_checked+0x203/0x310
[  217.776658]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  217.782104]  ? addrconf_rs_timer+0x690/0x690
[  217.786518]  ndisc_alloc_skb+0x144/0x340
[  217.790576]  ndisc_send_rs+0x331/0x6e0
[  217.794466]  addrconf_rs_timer+0x314/0x690
[  217.798701]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  217.802939]  call_timer_fn+0x272/0x920
[  217.806820]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  217.811048]  ? process_timeout+0x40/0x40
[  217.815113]  ? mark_held_locks+0xc7/0x130
[  217.819262]  ? _raw_spin_unlock_irq+0x27/0x80
[  217.823752]  ? _raw_spin_unlock_irq+0x27/0x80
[  217.828242]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  217.832472]  ? lockdep_hardirqs_on+0x296/0x5b0
[  217.837052]  ? trace_hardirqs_on+0xbd/0x310
[  217.841374]  ? kasan_check_read+0x11/0x20
[  217.845517]  ? __run_timers+0x7da/0xc70
[  217.849488]  ? trace_hardirqs_off_caller+0x310/0x310
[  217.854592]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  217.858824]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  217.863054]  __run_timers+0x7e5/0xc70
[  217.866860]  ? timer_fixup_init+0x70/0x70
[  217.871007]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  217.876021]  ? zap_class+0x640/0x640
[  217.879732]  ? print_usage_bug+0xc0/0xc0
[  217.883788]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  217.888977]  ? find_held_lock+0x36/0x1c0
[  217.893040]  ? zap_class+0x640/0x640
[  217.896761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.902298]  ? check_preemption_disabled+0x48/0x280
[  217.907317]  ? __lock_is_held+0xb5/0x140
[  217.911382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.916914]  ? check_preemption_disabled+0x48/0x280
[  217.921928]  run_timer_softirq+0x52/0xb0
[  217.925988]  ? rcu_read_lock_sched_held+0x14f/0x180
[  217.931001]  __do_softirq+0x308/0xb7e
[  217.934800]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  217.939287]  ? lock_downgrade+0x900/0x900
[  217.943436]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  217.948539]  ? pvclock_read_flags+0x160/0x160
[  217.953031]  ? lapic_next_event+0x5a/0x90
[  217.957180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  217.962716]  ? kvm_clock_read+0x18/0x30
[  217.966686]  ? kvm_sched_clock_read+0x9/0x20
[  217.971094]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  217.976626]  ? check_preemption_disabled+0x48/0x280
[  217.981644]  irq_exit+0x17f/0x1c0
[  217.985092]  smp_apic_timer_interrupt+0x1cb/0x760
[  217.989927]  ? smp_call_function_single_interrupt+0x159/0x650
[  217.995808]  ? smp_call_function_single_interrupt+0x650/0x650
[  218.001684]  ? interrupt_entry+0xb5/0xc0
[  218.005741]  ? trace_hardirqs_off_caller+0xbb/0x310
[  218.010748]  ? trace_hardirqs_off_caller+0xbb/0x310
[  218.015762]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  218.020599]  ? trace_hardirqs_on_caller+0x310/0x310
[  218.025608]  ? trace_hardirqs_on_caller+0x310/0x310
[  218.030630]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  218.035474]  apic_timer_interrupt+0xf/0x20
[  218.039699]  </IRQ>
[  218.041933] RIP: 0010:write_comp_data+0xd/0x70
[  218.046510] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  218.065407] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  218.073108] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  218.080376] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  218.087644] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  218.094907] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  218.102168] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  218.109451]  ? list_lru_count_one+0x36d/0x450
[  218.113949]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  218.119308]  list_lru_count_one+0x36d/0x450
[  218.123623]  ? list_lru_isolate_move+0x3c0/0x3c0
[  218.128374]  ? shmem_free_inode+0xd0/0xd0
[  218.132521]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  218.138051]  ? ubifs_shrink_count+0xc4/0x100
[  218.142463]  super_cache_count+0x1b9/0x2e0
[  218.146701]  do_shrink_slab+0x1b1/0xd30
[  218.150677]  ? lock_acquire+0x1ed/0x520
[  218.154647]  ? snapshot_refaults+0x290/0x290
[  218.159050]  ? lock_release+0xa00/0xa00
[  218.163023]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  218.167959]  ? down_read_trylock+0xda/0x140
[  218.172279]  ? shrink_slab+0x207/0x8c0
[  218.176167]  ? downgrade_write+0x270/0x270
[  218.180411]  shrink_slab+0x389/0x8c0
[  218.184120]  ? shrink_active_list+0x1f00/0x1f00
[  218.188795]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  218.194424]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  218.199533]  ? cgroup_procs_write_finish+0xf0/0xf0
[  218.204468]  ? find_held_lock+0x36/0x1c0
[  218.208532]  shrink_node+0x431/0x16b0
[  218.212331]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  218.217623]  ? shrink_node_memcg+0x18f0/0x18f0
[  218.222205]  ? kvm_clock_read+0x18/0x30
[  218.226178]  ? ktime_get+0x2c1/0x400
[  218.229889]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  218.234380]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  218.239917]  ? __cpuset_node_allowed+0x19b/0x660
[  218.244669]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  218.250373]  ? delayacct_end+0x5a/0x100
[  218.254355]  do_try_to_free_pages+0x3e7/0x1290
[  218.258933]  ? zap_class+0x640/0x640
[  218.262662]  ? shrink_node+0x16b0/0x16b0
[  218.266722]  ? __lock_is_held+0xb5/0x140
[  218.270789]  try_to_free_pages+0x4d0/0xb90
[  218.275026]  ? do_try_to_free_pages+0x1290/0x1290
[  218.279874]  ? lock_acquire+0x1ed/0x520
[  218.283843]  ? set_page_refcounted+0x280/0x280
[  218.288426]  ? lock_release+0xa00/0xa00
[  218.292399]  ? _raw_spin_unlock_irq+0x60/0x80
[  218.296887]  ? psi_memstall_enter+0x240/0x2b0
[  218.301390]  ? psi_memstall_tick+0x230/0x230
[  218.305802]  __alloc_pages_slowpath+0xa14/0x2e10
[  218.310581]  ? warn_alloc+0x120/0x120
[  218.314384]  ? mark_held_locks+0x130/0x130
[  218.318721]  ? find_get_entry+0xaae/0x1120
[  218.322961]  ? filemap_map_pages+0x1a20/0x1a20
[  218.327544]  ? zap_class+0x640/0x640
[  218.331260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.336798]  ? check_preemption_disabled+0x48/0x280
[  218.341811]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  218.347343]  ? should_fail+0x22d/0xd01
[  218.351236]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  218.356348]  ? zap_class+0x640/0x640
[  218.360081]  ? __lock_is_held+0xb5/0x140
[  218.364149]  ? mark_held_locks+0x130/0x130
[  218.368387]  ? lock_release+0xa00/0xa00
[  218.372359]  ? perf_trace_sched_process_exec+0x860/0x860
[  218.377810]  ? xa_load+0x2ba/0x460
[  218.381349]  ? lock_downgrade+0x900/0x900
[  218.385512]  ? __might_sleep+0x95/0x190
[  218.389486]  __alloc_pages_nodemask+0xa80/0xde0
[  218.394158]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  218.399169]  ? __page_cache_alloc+0x191/0x5c0
[  218.403657]  ? xa_load+0x2e1/0x460
[  218.407197]  ? xa_clear_mark+0x40/0x40
[  218.411078]  ? zap_class+0x640/0x640
[  218.414802]  ? zap_class+0x640/0x640
[  218.418510]  ? zap_class+0x640/0x640
[  218.422223]  ? __do_page_cache_readahead+0x663/0x810
[  218.427346]  ? find_held_lock+0x36/0x1c0
[  218.431410]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  218.436946]  alloc_pages_current+0x173/0x350
[  218.441353]  __page_cache_alloc+0x38c/0x5c0
[  218.445674]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  218.450602]  ? kasan_check_read+0x11/0x20
[  218.454743]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  218.460017]  ? generic_perform_write+0x6a0/0x6a0
[  218.464768]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  218.470302]  ? check_preemption_disabled+0x48/0x280
[  218.475322]  filemap_fault+0x1595/0x25f0
[  218.479394]  ? __lock_page_or_retry+0xa00/0xa00
[  218.484059]  ? mark_held_locks+0x130/0x130
[  218.488299]  ? filemap_map_pages+0xd6b/0x1a20
[  218.492792]  ? lock_downgrade+0x900/0x900
[  218.496934]  ? check_preemption_disabled+0x48/0x280
[  218.501953]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  218.506876]  ? kasan_check_read+0x11/0x20
[  218.511017]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  218.516289]  ? rcu_softirq_qs+0x20/0x20
[  218.520272]  ? filemap_map_pages+0xd92/0x1a20
[  218.524777]  ? find_get_entries_tag+0x1400/0x1400
[  218.529616]  ? debug_object_destroy+0x2b0/0x2b0
[  218.534286]  ? lock_pi_update_atomic+0x150/0x150
[  218.539035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  218.544577]  ? lock_acquire+0x1ed/0x520
[  218.548546]  ? ext4_filemap_fault+0x7a/0xad
[  218.552866]  ? lock_release+0xa00/0xa00
[  218.556835]  ? perf_trace_sched_process_exec+0x860/0x860
[  218.562281]  ? print_usage_bug+0xc0/0xc0
[  218.566338]  ? print_usage_bug+0xc0/0xc0
[  218.570410]  ? down_read+0x8d/0x120
[  218.574031]  ? ext4_filemap_fault+0x7a/0xad
[  218.578357]  ? __down_interruptible+0x700/0x700
[  218.583031]  ext4_filemap_fault+0x82/0xad
[  218.587176]  __do_fault+0x100/0x6b0
[  218.590806]  ? pmd_devmap_trans_unstable+0x220/0x220
[  218.595908]  ? mark_held_locks+0x130/0x130
[  218.600140]  ? mark_held_locks+0x130/0x130
[  218.604371]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  218.609642]  ? rcu_softirq_qs+0x20/0x20
[  218.613617]  ? kasan_check_write+0x14/0x20
[  218.617849]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  218.623388]  __handle_mm_fault+0x3ea0/0x5be0
[  218.627802]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  218.632643]  ? aa_path_link+0x5e0/0x5e0
[  218.636621]  ? ksys_dup3+0x680/0x680
[  218.640341]  ? zap_class+0x640/0x640
[  218.644051]  ? zap_class+0x640/0x640
[  218.647760]  ? __x64_sys_futex+0x53e/0x6a0
[  218.651993]  ? find_held_lock+0x36/0x1c0
[  218.656057]  ? handle_mm_fault+0x42a/0xc70
[  218.660292]  ? lock_downgrade+0x900/0x900
[  218.664439]  ? check_preemption_disabled+0x48/0x280
[  218.669456]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  218.674378]  ? kasan_check_read+0x11/0x20
[  218.678518]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  218.683786]  ? rcu_softirq_qs+0x20/0x20
[  218.687774]  ? trace_hardirqs_off_caller+0x310/0x310
[  218.692871]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  218.698415]  ? check_preemption_disabled+0x48/0x280
[  218.703436]  handle_mm_fault+0x54f/0xc70
[  218.707499]  ? __handle_mm_fault+0x5be0/0x5be0
[  218.712088]  ? find_vma+0x34/0x190
[  218.715633]  __do_page_fault+0x5e8/0xe60
[  218.719690]  ? trace_hardirqs_off+0xb8/0x310
[  218.724109]  do_page_fault+0xf2/0x7e0
[  218.727906]  ? vmalloc_sync_all+0x30/0x30
[  218.732051]  ? error_entry+0x70/0xd0
[  218.735769]  ? trace_hardirqs_off_caller+0xbb/0x310
[  218.740783]  ? trace_hardirqs_on_caller+0xc0/0x310
[  218.745708]  ? syscall_return_slowpath+0x5e0/0x5e0
[  218.750634]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  218.755474]  ? trace_hardirqs_on_caller+0x310/0x310
[  218.760489]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  218.765942]  ? prepare_exit_to_usermode+0x291/0x3b0
[  218.770955]  ? page_fault+0x8/0x30
[  218.774498]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  218.779345]  ? page_fault+0x8/0x30
[  218.782882]  page_fault+0x1e/0x30
[  218.786329] RIP: 0033:0x40f9c0
[  218.789535] Code: Bad RIP value.
[  218.792888] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  218.798243] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  218.805769] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  218.813033] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  218.820299] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  218.827996] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  218.835293] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  218.835305] warn_alloc_show_mem: 1 callbacks suppressed
[  218.835310] Mem-Info:
[  218.842565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  218.847932] active_anon:51741 inactive_anon:192 isolated_anon:0
[  218.847932]  active_file:28 inactive_file:10 isolated_file:0
[  218.847932]  unevictable:0 dirty:0 writeback:0 unstable:0
[  218.847932]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  218.847932]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  218.847932]  free:13684 free_pcp:150 free_cma:0
[  218.850299] Call Trace:
[  218.859670] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  218.892509]  <IRQ>
[  218.895079] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  218.922664]  dump_stack+0x244/0x39d
[  218.924778] lowmem_reserve[]: 0 2818 6321 6321
[  218.950875]  ? dump_stack_print_info.cold.1+0x20/0x20
[  218.954469] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  218.959051]  warn_alloc.cold.116+0xb7/0x1bd
[  218.964197] lowmem_reserve[]: 0 0 3503 3503
[  218.991776]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  218.996072] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  219.000388]  ? lock_downgrade+0x900/0x900
[  219.005198] lowmem_reserve[]: 0 0 0 0
[  219.034085]  ? trace_hardirqs_off+0xb8/0x310
[  219.038201] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  219.041998]  ? trace_hardirqs_off+0xb8/0x310
[  219.046379] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  219.059903]  __alloc_pages_slowpath+0x26e8/0x2e10
[  219.064274] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  219.079549]  ? warn_alloc+0x120/0x120
[  219.084364] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  219.099606]  ? warn_alloc+0x120/0x120
[  219.103383] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  219.112201]  ? __lock_acquire+0x62f/0x4c20
[  219.115979] 281 total pagecache pages
[  219.124536]  ? warn_alloc+0x120/0x120
[  219.128757] 0 pages in swap cache
[  219.132539]  ? print_usage_bug+0xc0/0xc0
[  219.136312] Swap cache stats: add 0, delete 0, find 0/0
[  219.139747]  ? print_usage_bug+0xc0/0xc0
[  219.143778] Free swap  = 0kB
[  219.149127]  ? mark_held_locks+0x130/0x130
[  219.153158] Total swap = 0kB
[  219.156167]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  219.160372] 1965979 pages RAM
[  219.163381]  ? should_fail+0x22d/0xd01
[  219.168888] 0 pages HighMem/MovableOnly
[  219.171972]  ? zap_class+0x640/0x640
[  219.171990]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  219.175844] 342854 pages reserved
[  219.175852] 0 pages cma reserved
[  219.179814]  ? __lock_acquire+0x62f/0x4c20
[  219.183571] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  219.188587]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  219.188600]  ? should_fail+0x22d/0xd01
[  219.188624]  ? mark_held_locks+0x130/0x130
[  219.192111] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  219.195404]  ? mark_held_locks+0x130/0x130
[  219.199607] syz-fuzzer cpuset=/ mems_allowed=0
[  219.206081]  ? lock_downgrade+0x900/0x900
[  219.242362]  ? zap_class+0x640/0x640
[  219.246068]  ? zap_class+0x640/0x640
[  219.249776]  ? zap_class+0x640/0x640
[  219.253490]  ? do_raw_spin_unlock+0xa7/0x330
[  219.257898]  ? trace_hardirqs_on+0x310/0x310
[  219.262301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.267845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.273378]  ? check_preemption_disabled+0x48/0x280
[  219.278412]  ? __lock_is_held+0xb5/0x140
[  219.282478]  __alloc_pages_nodemask+0xa80/0xde0
[  219.287142]  ? zap_class+0x640/0x640
[  219.290859]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  219.295882]  ? find_held_lock+0x36/0x1c0
[  219.299946]  ? ____cache_alloc_node+0x1c7/0x1e0
[  219.304610]  ? lock_downgrade+0x900/0x900
[  219.308758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.314299]  cache_grow_begin+0xa5/0x8c0
[  219.318355]  ? do_raw_spin_unlock+0xa7/0x330
[  219.322764]  fallback_alloc+0x204/0x2e0
[  219.326745]  ____cache_alloc_node+0x1c7/0x1e0
[  219.331238]  kmem_cache_alloc_node+0xe3/0x730
[  219.335733]  ? lockdep_hardirqs_on+0x296/0x5b0
[  219.340330]  __alloc_skb+0x119/0x770
[  219.344046]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  219.349410]  ? netdev_alloc_frag+0x1f0/0x1f0
[  219.353821]  ? vprintk_default+0x28/0x30
[  219.357875]  ? vprintk_func+0x85/0x181
[  219.361762]  ? printk+0xa7/0xcf
[  219.365042]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  219.369805]  new_skb+0x26/0x1c0
[  219.373083]  aoecmd_cfg+0x279/0x7f0
[  219.376706]  ? find_held_lock+0x36/0x1c0
[  219.380763]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  219.385092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.390633]  ? __lock_is_held+0xb5/0x140
[  219.394698]  discover_timer+0x50/0x60
[  219.398493]  call_timer_fn+0x272/0x920
[  219.402377]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  219.407214]  ? process_timeout+0x40/0x40
[  219.411277]  ? __run_timers+0x7da/0xc70
[  219.415248]  ? _raw_spin_unlock_irq+0x27/0x80
[  219.419735]  ? _raw_spin_unlock_irq+0x27/0x80
[  219.424226]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  219.429063]  ? lockdep_hardirqs_on+0x296/0x5b0
[  219.433642]  ? trace_hardirqs_on+0xbd/0x310
[  219.437961]  ? kasan_check_read+0x11/0x20
[  219.442100]  ? __run_timers+0x7da/0xc70
[  219.446072]  ? trace_hardirqs_off_caller+0x310/0x310
[  219.451185]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  219.456028]  __run_timers+0x7e5/0xc70
[  219.459852]  ? timer_fixup_init+0x70/0x70
[  219.464003]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  219.469039]  ? zap_class+0x640/0x640
[  219.472763]  ? enqueue_hrtimer+0x1a5/0x560
[  219.477020]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  219.482231]  ? find_held_lock+0x36/0x1c0
[  219.486323]  ? zap_class+0x640/0x640
[  219.490052]  ? pvclock_read_flags+0x160/0x160
[  219.494567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.500107]  ? check_preemption_disabled+0x48/0x280
[  219.505134]  ? __lock_is_held+0xb5/0x140
[  219.509200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.514742]  ? check_preemption_disabled+0x48/0x280
[  219.519784]  run_timer_softirq+0x52/0xb0
[  219.523847]  ? rcu_read_lock_sched_held+0x14f/0x180
[  219.528861]  __do_softirq+0x308/0xb7e
[  219.532662]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  219.537159]  ? lock_downgrade+0x900/0x900
[  219.541306]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  219.546415]  ? pvclock_read_flags+0x160/0x160
[  219.550912]  ? lapic_next_event+0x5a/0x90
[  219.555060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.560598]  ? kvm_clock_read+0x18/0x30
[  219.564568]  ? kvm_sched_clock_read+0x9/0x20
[  219.568973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.574518]  ? check_preemption_disabled+0x48/0x280
[  219.579542]  irq_exit+0x17f/0x1c0
[  219.582992]  smp_apic_timer_interrupt+0x1cb/0x760
[  219.587852]  ? smp_reschedule_interrupt+0x109/0x650
[  219.592865]  ? smp_call_function_single_interrupt+0x650/0x650
[  219.598750]  ? interrupt_entry+0xb5/0xc0
[  219.602813]  ? trace_hardirqs_off_caller+0xbb/0x310
[  219.607825]  ? trace_hardirqs_off_caller+0xbb/0x310
[  219.612842]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  219.617684]  ? trace_hardirqs_on_caller+0x310/0x310
[  219.622694]  ? trace_hardirqs_on_caller+0x310/0x310
[  219.627706]  ? task_prio+0x50/0x50
[  219.631245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.637167]  ? check_preemption_disabled+0x48/0x280
[  219.642192]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  219.647042]  apic_timer_interrupt+0xf/0x20
[  219.651269]  </IRQ>
[  219.653505] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  219.658432] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  219.677327] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  219.685028] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  219.692291] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  219.699554] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  219.706819] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  219.714080] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  219.721380]  skb_clone+0x1bb/0x500
[  219.724918]  ? finish_task_switch+0x1b4/0x910
[  219.729409]  ? skb_split+0x11e0/0x11e0
[  219.733292]  ? preempt_notifier_register+0x200/0x200
[  219.738386]  ? __switch_to_asm+0x34/0x70
[  219.742440]  ? __switch_to_asm+0x34/0x70
[  219.746496]  ? __switch_to_asm+0x40/0x70
[  219.750551]  ? __switch_to_asm+0x34/0x70
[  219.754608]  ? __switch_to_asm+0x40/0x70
[  219.758664]  ? __switch_to_asm+0x34/0x70
[  219.762719]  ? __switch_to_asm+0x40/0x70
[  219.766776]  ? __switch_to_asm+0x34/0x70
[  219.770834]  ? __switch_to_asm+0x34/0x70
[  219.774887]  ? __switch_to_asm+0x40/0x70
[  219.778938]  ? __switch_to_asm+0x34/0x70
[  219.783006]  bpf_clone_redirect+0xb9/0x490
[  219.787239]  ? __schedule+0x8d7/0x21d0
[  219.791128]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  219.796141]  ? __sched_text_start+0x8/0x8
[  219.800306]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  219.804879]  ? retint_kernel+0x2d/0x2d
[  219.808774]  ? trace_hardirqs_on_caller+0xc0/0x310
[  219.813704]  ? find_held_lock+0x36/0x1c0
[  219.817773]  ? lock_acquire+0x1ed/0x520
[  219.821747]  ? bpf_test_run+0x3cb/0x780
[  219.825718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  219.831254]  ? check_preemption_disabled+0x48/0x280
[  219.836272]  ? kasan_check_read+0x11/0x20
[  219.840414]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  219.845690]  ? rcu_softirq_qs+0x20/0x20
[  219.849665]  ? preempt_schedule+0x4d/0x60
[  219.853809]  ? ___preempt_schedule+0x16/0x18
[  219.858224]  ? bpf_test_run+0x25d/0x780
[  219.862205]  ? netlink_diag_dump+0x2a0/0x2a0
[  219.866610]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  219.872142]  ? bpf_test_init.isra.10+0x70/0x100
[  219.876809]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  219.881566]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  219.886406]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  219.891937]  ? fput+0x130/0x1a0
[  219.895211]  ? __bpf_prog_get+0x9b/0x290
[  219.899271]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  219.904104]  ? bpf_prog_test_run+0x130/0x1a0
[  219.908511]  ? __x64_sys_bpf+0x3d8/0x520
[  219.912565]  ? bpf_prog_get+0x20/0x20
[  219.916376]  ? do_syscall_64+0x1b9/0x820
[  219.920434]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  219.925794]  ? syscall_return_slowpath+0x5e0/0x5e0
[  219.930723]  ? trace_hardirqs_on_caller+0x310/0x310
[  219.935746]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  219.940765]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  219.947423]  ? __switch_to_asm+0x40/0x70
[  219.951479]  ? __switch_to_asm+0x34/0x70
[  219.955542]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  219.960389]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  219.965768] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  219.965846] aoe: skb alloc failure
[  219.972779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  219.972785] Call Trace:
[  219.972791]  <IRQ>
[  219.972808]  dump_stack+0x244/0x39d
[  219.972826]  ? dump_stack_print_info.cold.1+0x20/0x20
[  219.976368] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  219.985691]  warn_alloc.cold.116+0xb7/0x1bd
[  219.988238] syz-executor2 cpuset=syz2 mems_allowed=0
[  219.990375]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  220.023842]  ? lock_downgrade+0x900/0x900
[  220.027998]  ? trace_hardirqs_off+0xb8/0x310
[  220.032412]  ? trace_hardirqs_off+0xb8/0x310
[  220.036824]  __alloc_pages_slowpath+0x26e8/0x2e10
[  220.041691]  ? warn_alloc+0x120/0x120
[  220.045664]  ? print_usage_bug+0xc0/0xc0
[  220.049729]  ? warn_alloc+0x120/0x120
[  220.053529]  ? warn_alloc+0x120/0x120
[  220.057327]  ? print_usage_bug+0xc0/0xc0
[  220.061388]  ? print_usage_bug+0xc0/0xc0
[  220.065444]  ? __lock_acquire+0x62f/0x4c20
[  220.069682]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  220.075226]  ? should_fail+0x22d/0xd01
[  220.079115]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  220.084233]  ? __lock_acquire+0x62f/0x4c20
[  220.088477]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  220.093593]  ? __lock_acquire+0x62f/0x4c20
[  220.097835]  ? should_fail+0x22d/0xd01
[  220.101730]  ? find_held_lock+0x36/0x1c0
[  220.105799]  ? mark_held_locks+0x130/0x130
[  220.110040]  ? mark_held_locks+0x130/0x130
[  220.114271]  ? zap_class+0x640/0x640
[  220.117990]  ? zap_class+0x640/0x640
[  220.121703]  ? print_usage_bug+0xc0/0xc0
[  220.125761]  ? do_raw_spin_unlock+0xa7/0x330
[  220.130164]  ? zap_class+0x640/0x640
[  220.134571]  ? print_usage_bug+0xc0/0xc0
[  220.138630]  ? wq_watchdog_touch+0x9c/0xfe
[  220.142865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.148415]  ? check_preemption_disabled+0x48/0x280
[  220.153435]  ? __lock_is_held+0xb5/0x140
[  220.157501]  __alloc_pages_nodemask+0xa80/0xde0
[  220.162168]  ? zap_class+0x640/0x640
[  220.165884]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  220.170910]  ? find_held_lock+0x36/0x1c0
[  220.174986]  ? ____cache_alloc_node+0x1c7/0x1e0
[  220.179652]  ? lock_downgrade+0x900/0x900
[  220.183802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.189337]  cache_grow_begin+0xa5/0x8c0
[  220.193394]  ? do_raw_spin_unlock+0xa7/0x330
[  220.197803]  fallback_alloc+0x204/0x2e0
[  220.201776]  ____cache_alloc_node+0x1c7/0x1e0
[  220.206269]  kmem_cache_alloc_node+0xe3/0x730
[  220.210761]  ? ipv6_get_ifaddr+0x42e/0x620
[  220.215004]  __alloc_skb+0x119/0x770
[  220.218715]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  220.223993]  ? netdev_alloc_frag+0x1f0/0x1f0
[  220.228401]  ? lock_downgrade+0x900/0x900
[  220.232550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.238081]  ? refcount_sub_and_test_checked+0x203/0x310
[  220.243528]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  220.248982]  ? addrconf_rs_timer+0x690/0x690
[  220.253398]  ndisc_alloc_skb+0x144/0x340
[  220.257457]  ndisc_send_rs+0x331/0x6e0
[  220.261346]  addrconf_rs_timer+0x314/0x690
[  220.265585]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.269824]  call_timer_fn+0x272/0x920
[  220.273708]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.277946]  ? process_timeout+0x40/0x40
[  220.282014]  ? mark_held_locks+0xc7/0x130
[  220.286158]  ? _raw_spin_unlock_irq+0x27/0x80
[  220.290643]  ? _raw_spin_unlock_irq+0x27/0x80
[  220.295133]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.299364]  ? lockdep_hardirqs_on+0x296/0x5b0
[  220.303951]  ? trace_hardirqs_on+0xbd/0x310
[  220.308267]  ? kasan_check_read+0x11/0x20
[  220.312406]  ? __run_timers+0x7da/0xc70
[  220.316377]  ? trace_hardirqs_off_caller+0x310/0x310
[  220.321476]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.325720]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  220.329954]  __run_timers+0x7e5/0xc70
[  220.333759]  ? timer_fixup_init+0x70/0x70
[  220.337903]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  220.343093]  ? zap_class+0x640/0x640
[  220.346807]  ? print_usage_bug+0xc0/0xc0
[  220.350866]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  220.356060]  ? find_held_lock+0x36/0x1c0
[  220.360124]  ? zap_class+0x640/0x640
[  220.363844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.369468]  ? check_preemption_disabled+0x48/0x280
[  220.374490]  ? __lock_is_held+0xb5/0x140
[  220.378548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.384086]  ? check_preemption_disabled+0x48/0x280
[  220.389103]  run_timer_softirq+0x52/0xb0
[  220.393162]  ? rcu_read_lock_sched_held+0x14f/0x180
[  220.398182]  __do_softirq+0x308/0xb7e
[  220.401988]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  220.406480]  ? lock_downgrade+0x900/0x900
[  220.410624]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  220.415729]  ? pvclock_read_flags+0x160/0x160
[  220.420222]  ? lapic_next_event+0x5a/0x90
[  220.424371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.429905]  ? kvm_clock_read+0x18/0x30
[  220.433880]  ? kvm_sched_clock_read+0x9/0x20
[  220.438289]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  220.443821]  ? check_preemption_disabled+0x48/0x280
[  220.448840]  irq_exit+0x17f/0x1c0
[  220.452292]  smp_apic_timer_interrupt+0x1cb/0x760
[  220.457131]  ? smp_call_function_single_interrupt+0x159/0x650
[  220.463014]  ? smp_call_function_single_interrupt+0x650/0x650
[  220.468891]  ? interrupt_entry+0xb5/0xc0
[  220.472958]  ? trace_hardirqs_off_caller+0xbb/0x310
[  220.477972]  ? trace_hardirqs_off_caller+0xbb/0x310
[  220.482986]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  220.487822]  ? trace_hardirqs_on_caller+0x310/0x310
[  220.492832]  ? trace_hardirqs_on_caller+0x310/0x310
[  220.497853]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  220.502698]  apic_timer_interrupt+0xf/0x20
[  220.506930]  </IRQ>
[  220.509166] RIP: 0010:write_comp_data+0xd/0x70
[  220.513766] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  220.532660] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  220.540359] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  220.547631] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  220.554893] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  220.562161] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  220.569425] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  220.576706]  ? list_lru_count_one+0x36d/0x450
[  220.581208]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  220.586564]  list_lru_count_one+0x36d/0x450
[  220.590883]  ? list_lru_isolate_move+0x3c0/0x3c0
[  220.595649]  ? shmem_free_inode+0xd0/0xd0
[  220.599794]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  220.605332]  ? ubifs_shrink_count+0xc4/0x100
[  220.609741]  super_cache_count+0x1b9/0x2e0
[  220.613973]  do_shrink_slab+0x1b1/0xd30
[  220.617952]  ? lock_acquire+0x1ed/0x520
[  220.621931]  ? snapshot_refaults+0x290/0x290
[  220.626338]  ? lock_release+0xa00/0xa00
[  220.630314]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  220.635440]  ? down_read_trylock+0xda/0x140
[  220.639754]  ? shrink_slab+0x207/0x8c0
[  220.643634]  ? downgrade_write+0x270/0x270
[  220.647875]  shrink_slab+0x389/0x8c0
[  220.651592]  ? shrink_active_list+0x1f00/0x1f00
[  220.656268]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  220.661891]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  220.667003]  ? cgroup_procs_write_finish+0xf0/0xf0
[  220.671937]  ? find_held_lock+0x36/0x1c0
[  220.675999]  shrink_node+0x431/0x16b0
[  220.679797]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  220.685184]  ? shrink_node_memcg+0x18f0/0x18f0
[  220.689773]  ? kvm_clock_read+0x18/0x30
[  220.693767]  ? ktime_get+0x2c1/0x400
[  220.697492]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  220.701996]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  220.707542]  ? __cpuset_node_allowed+0x19b/0x660
[  220.712309]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  220.718023]  ? delayacct_end+0x5a/0x100
[  220.722010]  do_try_to_free_pages+0x3e7/0x1290
[  220.726591]  ? zap_class+0x640/0x640
[  220.730320]  ? shrink_node+0x16b0/0x16b0
[  220.734385]  ? __lock_is_held+0xb5/0x140
[  220.738465]  try_to_free_pages+0x4d0/0xb90
[  220.742702]  ? do_try_to_free_pages+0x1290/0x1290
[  220.747552]  ? lock_acquire+0x1ed/0x520
[  220.751525]  ? set_page_refcounted+0x280/0x280
[  220.756114]  ? lock_release+0xa00/0xa00
[  220.760086]  ? _raw_spin_unlock_irq+0x60/0x80
[  220.764579]  ? psi_memstall_enter+0x240/0x2b0
[  220.769084]  ? psi_memstall_tick+0x230/0x230
[  220.773501]  __alloc_pages_slowpath+0xa14/0x2e10
[  220.778285]  ? warn_alloc+0x120/0x120
[  220.782082]  ? mark_held_locks+0x130/0x130
[  220.786318]  ? find_get_entry+0xaae/0x1120
[  220.790557]  ? filemap_map_pages+0x1a20/0x1a20
[  220.795141]  ? zap_class+0x640/0x640
[  220.798864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  220.804776]  ? check_preemption_disabled+0x48/0x280
[  220.809790]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  220.815321]  ? should_fail+0x22d/0xd01
[  220.819219]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  220.824327]  ? zap_class+0x640/0x640
[  220.828061]  ? __lock_is_held+0xb5/0x140
[  220.832129]  ? mark_held_locks+0x130/0x130
[  220.836365]  ? lock_release+0xa00/0xa00
[  220.840338]  ? perf_trace_sched_process_exec+0x860/0x860
[  220.845784]  ? xa_load+0x2ba/0x460
[  220.849319]  ? lock_downgrade+0x900/0x900
[  220.853468]  ? __might_sleep+0x95/0x190
[  220.857442]  __alloc_pages_nodemask+0xa80/0xde0
[  220.862115]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  220.867131]  ? __page_cache_alloc+0x191/0x5c0
[  220.871624]  ? xa_load+0x2e1/0x460
[  220.875168]  ? xa_clear_mark+0x40/0x40
[  220.879054]  ? zap_class+0x640/0x640
[  220.882769]  ? zap_class+0x640/0x640
[  220.886477]  ? zap_class+0x640/0x640
[  220.890185]  ? __do_page_cache_readahead+0x663/0x810
[  220.895292]  ? find_held_lock+0x36/0x1c0
[  220.899354]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  220.904899]  alloc_pages_current+0x173/0x350
[  220.909309]  __page_cache_alloc+0x38c/0x5c0
[  220.913622]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  220.918543]  ? kasan_check_read+0x11/0x20
[  220.922686]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  220.927960]  ? generic_perform_write+0x6a0/0x6a0
[  220.932714]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  220.938247]  ? check_preemption_disabled+0x48/0x280
[  220.943265]  filemap_fault+0x1595/0x25f0
[  220.947420]  ? __lock_page_or_retry+0xa00/0xa00
[  220.952087]  ? mark_held_locks+0x130/0x130
[  220.956330]  ? filemap_map_pages+0xd6b/0x1a20
[  220.960821]  ? lock_downgrade+0x900/0x900
[  220.964974]  ? check_preemption_disabled+0x48/0x280
[  220.969986]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  220.974942]  ? kasan_check_read+0x11/0x20
[  220.979094]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  220.984365]  ? rcu_softirq_qs+0x20/0x20
[  220.988346]  ? filemap_map_pages+0xd92/0x1a20
[  220.992847]  ? find_get_entries_tag+0x1400/0x1400
[  220.997696]  ? debug_object_destroy+0x2b0/0x2b0
[  221.002365]  ? lock_pi_update_atomic+0x150/0x150
[  221.007119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.012668]  ? lock_acquire+0x1ed/0x520
[  221.016638]  ? ext4_filemap_fault+0x7a/0xad
[  221.020963]  ? lock_release+0xa00/0xa00
[  221.024935]  ? perf_trace_sched_process_exec+0x860/0x860
[  221.030386]  ? print_usage_bug+0xc0/0xc0
[  221.034442]  ? print_usage_bug+0xc0/0xc0
[  221.038507]  ? down_read+0x8d/0x120
[  221.042126]  ? ext4_filemap_fault+0x7a/0xad
[  221.046446]  ? __down_interruptible+0x700/0x700
[  221.051143]  ext4_filemap_fault+0x82/0xad
[  221.055288]  __do_fault+0x100/0x6b0
[  221.058914]  ? pmd_devmap_trans_unstable+0x220/0x220
[  221.064015]  ? mark_held_locks+0x130/0x130
[  221.068245]  ? mark_held_locks+0x130/0x130
[  221.072471]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  221.077739]  ? rcu_softirq_qs+0x20/0x20
[  221.081712]  ? kasan_check_write+0x14/0x20
[  221.085943]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.091477]  __handle_mm_fault+0x3ea0/0x5be0
[  221.095893]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  221.100729]  ? aa_path_link+0x5e0/0x5e0
[  221.104702]  ? ksys_dup3+0x680/0x680
[  221.108420]  ? zap_class+0x640/0x640
[  221.112133]  ? zap_class+0x640/0x640
[  221.115838]  ? __x64_sys_futex+0x53e/0x6a0
[  221.120075]  ? find_held_lock+0x36/0x1c0
[  221.124143]  ? handle_mm_fault+0x42a/0xc70
[  221.128376]  ? lock_downgrade+0x900/0x900
[  221.132524]  ? check_preemption_disabled+0x48/0x280
[  221.137538]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  221.142460]  ? kasan_check_read+0x11/0x20
[  221.146600]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  221.151878]  ? rcu_softirq_qs+0x20/0x20
[  221.155847]  ? trace_hardirqs_off_caller+0x310/0x310
[  221.160950]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.166483]  ? check_preemption_disabled+0x48/0x280
[  221.171499]  handle_mm_fault+0x54f/0xc70
[  221.175558]  ? __handle_mm_fault+0x5be0/0x5be0
[  221.180144]  ? find_vma+0x34/0x190
[  221.183689]  __do_page_fault+0x5e8/0xe60
[  221.187743]  ? trace_hardirqs_off+0xb8/0x310
[  221.192154]  do_page_fault+0xf2/0x7e0
[  221.195949]  ? vmalloc_sync_all+0x30/0x30
[  221.200095]  ? error_entry+0x70/0xd0
[  221.203810]  ? trace_hardirqs_off_caller+0xbb/0x310
[  221.208819]  ? trace_hardirqs_on_caller+0xc0/0x310
[  221.213743]  ? syscall_return_slowpath+0x5e0/0x5e0
[  221.218670]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  221.223507]  ? trace_hardirqs_on_caller+0x310/0x310
[  221.228520]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  221.233968]  ? prepare_exit_to_usermode+0x291/0x3b0
[  221.238977]  ? page_fault+0x8/0x30
[  221.242511]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  221.247347]  ? page_fault+0x8/0x30
[  221.250894]  page_fault+0x1e/0x30
[  221.254346] RIP: 0033:0x40f9c0
[  221.257546] Code: Bad RIP value.
[  221.260901] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  221.266256] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  221.273517] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  221.280782] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  221.288041] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  221.295306] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  221.302614] warn_alloc_show_mem: 1 callbacks suppressed
[  221.302624] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  221.302626] Mem-Info:
[  221.302655] active_anon:51741 inactive_anon:192 isolated_anon:0
[  221.302655]  active_file:28 inactive_file:10 isolated_file:0
[  221.302655]  unevictable:0 dirty:0 writeback:0 unstable:0
[  221.302655]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  221.302655]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  221.302655]  free:13684 free_pcp:150 free_cma:0
[  221.308002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  221.308011] Call Trace:
[  221.315299] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  221.317693]  <IRQ>
[  221.350559] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  221.359926]  dump_stack+0x244/0x39d
[  221.362466] lowmem_reserve[]: 0 2818 6321 6321
[  221.390064]  ? dump_stack_print_info.cold.1+0x20/0x20
[  221.392189] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  221.418300]  warn_alloc.cold.116+0xb7/0x1bd
[  221.421892] lowmem_reserve[]: 0 0 3503 3503
[  221.426465]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  221.431624] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  221.459204]  ? lock_downgrade+0x900/0x900
[  221.463494] lowmem_reserve[]: 0 0 0 0
[  221.467812]  ? trace_hardirqs_off+0xb8/0x310
[  221.472622] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  221.501501]  ? trace_hardirqs_off+0xb8/0x310
[  221.505616] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  221.509413]  __alloc_pages_slowpath+0x26e8/0x2e10
[  221.513790] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  221.527325]  ? warn_alloc+0x120/0x120
[  221.531689] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  221.546928]  ? warn_alloc+0x120/0x120
[  221.551743] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  221.566990]  ? __lock_acquire+0x62f/0x4c20
[  221.570763] 281 total pagecache pages
[  221.579586]  ? warn_alloc+0x120/0x120
[  221.583373] 0 pages in swap cache
[  221.591926]  ? print_usage_bug+0xc0/0xc0
[  221.596129] Swap cache stats: add 0, delete 0, find 0/0
[  221.596137] Free swap  = 0kB
[  221.599925]  ? print_usage_bug+0xc0/0xc0
[  221.603697] Total swap = 0kB
[  221.607136]  ? mark_held_locks+0x130/0x130
[  221.611165] 1965979 pages RAM
[  221.616517]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  221.619505] 0 pages HighMem/MovableOnly
[  221.623554]  ? should_fail+0x22d/0xd01
[  221.626542] 342854 pages reserved
[  221.630770]  ? zap_class+0x640/0x640
[  221.634395] 0 pages cma reserved
[  221.634485] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  221.639948]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  221.639967]  ? __lock_acquire+0x62f/0x4c20
[  221.643973] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  221.647789]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  221.651211] syz-fuzzer cpuset=/ mems_allowed=0
[  221.654912]  ? should_fail+0x22d/0xd01
[  221.697772]  ? mark_held_locks+0x130/0x130
[  221.702002]  ? mark_held_locks+0x130/0x130
[  221.706231]  ? lock_downgrade+0x900/0x900
[  221.710377]  ? zap_class+0x640/0x640
[  221.714086]  ? zap_class+0x640/0x640
[  221.717796]  ? zap_class+0x640/0x640
[  221.721510]  ? do_raw_spin_unlock+0xa7/0x330
[  221.725916]  ? trace_hardirqs_on+0x310/0x310
[  221.730320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.735855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.741390]  ? check_preemption_disabled+0x48/0x280
[  221.746407]  ? __lock_is_held+0xb5/0x140
[  221.750470]  __alloc_pages_nodemask+0xa80/0xde0
[  221.755134]  ? zap_class+0x640/0x640
[  221.758850]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  221.763871]  ? find_held_lock+0x36/0x1c0
[  221.767939]  ? ____cache_alloc_node+0x1c7/0x1e0
[  221.772604]  ? lock_downgrade+0x900/0x900
[  221.776754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.782287]  cache_grow_begin+0xa5/0x8c0
[  221.786343]  ? do_raw_spin_unlock+0xa7/0x330
[  221.790756]  fallback_alloc+0x204/0x2e0
[  221.794728]  ____cache_alloc_node+0x1c7/0x1e0
[  221.799222]  kmem_cache_alloc_node+0xe3/0x730
[  221.803714]  ? lockdep_hardirqs_on+0x296/0x5b0
[  221.808299]  __alloc_skb+0x119/0x770
[  221.812010]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  221.817372]  ? netdev_alloc_frag+0x1f0/0x1f0
[  221.821781]  ? vprintk_default+0x28/0x30
[  221.825845]  ? vprintk_func+0x85/0x181
[  221.829728]  ? printk+0xa7/0xcf
[  221.833000]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  221.837764]  new_skb+0x26/0x1c0
[  221.841048]  aoecmd_cfg+0x279/0x7f0
[  221.844677]  ? find_held_lock+0x36/0x1c0
[  221.848736]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  221.853055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.858601]  ? __lock_is_held+0xb5/0x140
[  221.862668]  discover_timer+0x50/0x60
[  221.866464]  call_timer_fn+0x272/0x920
[  221.870350]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  221.875364]  ? process_timeout+0x40/0x40
[  221.879424]  ? __run_timers+0x7da/0xc70
[  221.883393]  ? _raw_spin_unlock_irq+0x27/0x80
[  221.887884]  ? _raw_spin_unlock_irq+0x27/0x80
[  221.892373]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  221.897210]  ? lockdep_hardirqs_on+0x296/0x5b0
[  221.901796]  ? trace_hardirqs_on+0xbd/0x310
[  221.906111]  ? kasan_check_read+0x11/0x20
[  221.910251]  ? __run_timers+0x7da/0xc70
[  221.914220]  ? trace_hardirqs_off_caller+0x310/0x310
[  221.919331]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  221.924165]  __run_timers+0x7e5/0xc70
[  221.927972]  ? timer_fixup_init+0x70/0x70
[  221.932117]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  221.937131]  ? zap_class+0x640/0x640
[  221.940847]  ? enqueue_hrtimer+0x1a5/0x560
[  221.945081]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  221.950271]  ? find_held_lock+0x36/0x1c0
[  221.954329]  ? zap_class+0x640/0x640
[  221.958039]  ? pvclock_read_flags+0x160/0x160
[  221.962529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.968063]  ? check_preemption_disabled+0x48/0x280
[  221.973083]  ? __lock_is_held+0xb5/0x140
[  221.977141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  221.982676]  ? check_preemption_disabled+0x48/0x280
[  221.987867]  run_timer_softirq+0x52/0xb0
[  221.991923]  ? rcu_read_lock_sched_held+0x14f/0x180
[  221.996934]  __do_softirq+0x308/0xb7e
[  222.000733]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  222.005285]  ? lock_downgrade+0x900/0x900
[  222.009430]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  222.014534]  ? pvclock_read_flags+0x160/0x160
[  222.019030]  ? lapic_next_event+0x5a/0x90
[  222.023177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.028724]  ? kvm_clock_read+0x18/0x30
[  222.032692]  ? kvm_sched_clock_read+0x9/0x20
[  222.037100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.042719]  ? check_preemption_disabled+0x48/0x280
[  222.047748]  irq_exit+0x17f/0x1c0
[  222.051201]  smp_apic_timer_interrupt+0x1cb/0x760
[  222.056053]  ? smp_reschedule_interrupt+0x109/0x650
[  222.061069]  ? smp_call_function_single_interrupt+0x650/0x650
[  222.066946]  ? interrupt_entry+0xb5/0xc0
[  222.071016]  ? trace_hardirqs_off_caller+0xbb/0x310
[  222.076025]  ? trace_hardirqs_off_caller+0xbb/0x310
[  222.081040]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  222.085878]  ? trace_hardirqs_on_caller+0x310/0x310
[  222.090886]  ? trace_hardirqs_on_caller+0x310/0x310
[  222.095895]  ? task_prio+0x50/0x50
[  222.099431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.104962]  ? check_preemption_disabled+0x48/0x280
[  222.109979]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  222.114825]  apic_timer_interrupt+0xf/0x20
[  222.119047]  </IRQ>
[  222.121286] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  222.126212] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  222.145107] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  222.152809] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  222.160080] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  222.167341] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  222.174600] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  222.181862] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  222.189158]  skb_clone+0x1bb/0x500
[  222.192694]  ? finish_task_switch+0x1b4/0x910
[  222.197181]  ? skb_split+0x11e0/0x11e0
[  222.201063]  ? preempt_notifier_register+0x200/0x200
[  222.206161]  ? __switch_to_asm+0x34/0x70
[  222.210213]  ? __switch_to_asm+0x34/0x70
[  222.214269]  ? __switch_to_asm+0x40/0x70
[  222.218325]  ? __switch_to_asm+0x34/0x70
[  222.222378]  ? __switch_to_asm+0x40/0x70
[  222.226431]  ? __switch_to_asm+0x34/0x70
[  222.230482]  ? __switch_to_asm+0x40/0x70
[  222.234536]  ? __switch_to_asm+0x34/0x70
[  222.238603]  ? __switch_to_asm+0x34/0x70
[  222.242658]  ? __switch_to_asm+0x40/0x70
[  222.246710]  ? __switch_to_asm+0x34/0x70
[  222.250777]  bpf_clone_redirect+0xb9/0x490
[  222.255007]  ? __schedule+0x8d7/0x21d0
[  222.258980]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  222.263991]  ? __sched_text_start+0x8/0x8
[  222.268141]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  222.272714]  ? retint_kernel+0x2d/0x2d
[  222.276595]  ? trace_hardirqs_on_caller+0xc0/0x310
[  222.281527]  ? find_held_lock+0x36/0x1c0
[  222.285587]  ? lock_acquire+0x1ed/0x520
[  222.289560]  ? bpf_test_run+0x3cb/0x780
[  222.293533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.299064]  ? check_preemption_disabled+0x48/0x280
[  222.304080]  ? kasan_check_read+0x11/0x20
[  222.308221]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  222.313489]  ? rcu_softirq_qs+0x20/0x20
[  222.317463]  ? preempt_schedule+0x4d/0x60
[  222.321605]  ? ___preempt_schedule+0x16/0x18
[  222.326013]  ? bpf_test_run+0x25d/0x780
[  222.329993]  ? netlink_diag_dump+0x2a0/0x2a0
[  222.334397]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.339926]  ? bpf_test_init.isra.10+0x70/0x100
[  222.344594]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  222.349355]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  222.354189]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  222.359721]  ? fput+0x130/0x1a0
[  222.363004]  ? __bpf_prog_get+0x9b/0x290
[  222.367066]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  222.371900]  ? bpf_prog_test_run+0x130/0x1a0
[  222.376307]  ? __x64_sys_bpf+0x3d8/0x520
[  222.380361]  ? bpf_prog_get+0x20/0x20
[  222.384175]  ? do_syscall_64+0x1b9/0x820
[  222.388228]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  222.393585]  ? syscall_return_slowpath+0x5e0/0x5e0
[  222.398517]  ? trace_hardirqs_on_caller+0x310/0x310
[  222.403533]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  222.408549]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  222.415211]  ? __switch_to_asm+0x40/0x70
[  222.419277]  ? __switch_to_asm+0x34/0x70
[  222.423337]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  222.428183]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  222.433556] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  222.433638] aoe: skb alloc failure
[  222.440655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  222.440660] Call Trace:
[  222.440665]  <IRQ>
[  222.440684]  dump_stack+0x244/0x39d
[  222.440703]  ? dump_stack_print_info.cold.1+0x20/0x20
[  222.444241] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  222.453560]  warn_alloc.cold.116+0xb7/0x1bd
[  222.456110] syz-executor2 cpuset=syz2 mems_allowed=0
[  222.458248]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  222.491699]  ? lock_downgrade+0x900/0x900
[  222.495849]  ? trace_hardirqs_off+0xb8/0x310
[  222.500256]  ? trace_hardirqs_off+0xb8/0x310
[  222.504679]  __alloc_pages_slowpath+0x26e8/0x2e10
[  222.509539]  ? warn_alloc+0x120/0x120
[  222.513337]  ? print_usage_bug+0xc0/0xc0
[  222.517393]  ? warn_alloc+0x120/0x120
[  222.521192]  ? warn_alloc+0x120/0x120
[  222.524986]  ? print_usage_bug+0xc0/0xc0
[  222.529050]  ? print_usage_bug+0xc0/0xc0
[  222.533119]  ? __lock_acquire+0x62f/0x4c20
[  222.537359]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.542892]  ? should_fail+0x22d/0xd01
[  222.546790]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  222.551891]  ? __lock_acquire+0x62f/0x4c20
[  222.556123]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  222.561218]  ? __lock_acquire+0x62f/0x4c20
[  222.565450]  ? should_fail+0x22d/0xd01
[  222.569331]  ? find_held_lock+0x36/0x1c0
[  222.573394]  ? mark_held_locks+0x130/0x130
[  222.577632]  ? mark_held_locks+0x130/0x130
[  222.581860]  ? zap_class+0x640/0x640
[  222.585572]  ? zap_class+0x640/0x640
[  222.589281]  ? print_usage_bug+0xc0/0xc0
[  222.593334]  ? do_raw_spin_unlock+0xa7/0x330
[  222.597745]  ? zap_class+0x640/0x640
[  222.601452]  ? print_usage_bug+0xc0/0xc0
[  222.605511]  ? wq_watchdog_touch+0x9c/0xfe
[  222.609762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.615298]  ? check_preemption_disabled+0x48/0x280
[  222.620314]  ? __lock_is_held+0xb5/0x140
[  222.624374]  __alloc_pages_nodemask+0xa80/0xde0
[  222.629040]  ? zap_class+0x640/0x640
[  222.633005]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  222.638117]  ? find_held_lock+0x36/0x1c0
[  222.642181]  ? ____cache_alloc_node+0x1c7/0x1e0
[  222.646844]  ? lock_downgrade+0x900/0x900
[  222.651003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.656537]  cache_grow_begin+0xa5/0x8c0
[  222.660592]  ? do_raw_spin_unlock+0xa7/0x330
[  222.665005]  fallback_alloc+0x204/0x2e0
[  222.668985]  ____cache_alloc_node+0x1c7/0x1e0
[  222.673479]  kmem_cache_alloc_node+0xe3/0x730
[  222.677983]  ? ipv6_get_ifaddr+0x42e/0x620
[  222.682225]  __alloc_skb+0x119/0x770
[  222.685935]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  222.691210]  ? netdev_alloc_frag+0x1f0/0x1f0
[  222.695615]  ? lock_downgrade+0x900/0x900
[  222.699763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.705296]  ? refcount_sub_and_test_checked+0x203/0x310
[  222.710747]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  222.716192]  ? addrconf_rs_timer+0x690/0x690
[  222.720607]  ndisc_alloc_skb+0x144/0x340
[  222.724667]  ndisc_send_rs+0x331/0x6e0
[  222.728554]  addrconf_rs_timer+0x314/0x690
[  222.732797]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.737039]  call_timer_fn+0x272/0x920
[  222.740920]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.745148]  ? process_timeout+0x40/0x40
[  222.749210]  ? mark_held_locks+0xc7/0x130
[  222.753355]  ? _raw_spin_unlock_irq+0x27/0x80
[  222.757842]  ? _raw_spin_unlock_irq+0x27/0x80
[  222.762329]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.766562]  ? lockdep_hardirqs_on+0x296/0x5b0
[  222.771140]  ? trace_hardirqs_on+0xbd/0x310
[  222.775457]  ? kasan_check_read+0x11/0x20
[  222.779599]  ? __run_timers+0x7da/0xc70
[  222.783567]  ? trace_hardirqs_off_caller+0x310/0x310
[  222.788665]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.792913]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  222.797139]  __run_timers+0x7e5/0xc70
[  222.801267]  ? timer_fixup_init+0x70/0x70
[  222.805418]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  222.810428]  ? zap_class+0x640/0x640
[  222.814140]  ? print_usage_bug+0xc0/0xc0
[  222.818199]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  222.823387]  ? find_held_lock+0x36/0x1c0
[  222.827445]  ? zap_class+0x640/0x640
[  222.831156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.836696]  ? check_preemption_disabled+0x48/0x280
[  222.841729]  ? __lock_is_held+0xb5/0x140
[  222.845789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.851326]  ? check_preemption_disabled+0x48/0x280
[  222.856341]  run_timer_softirq+0x52/0xb0
[  222.860398]  ? rcu_read_lock_sched_held+0x14f/0x180
[  222.865414]  __do_softirq+0x308/0xb7e
[  222.869217]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  222.873713]  ? lock_downgrade+0x900/0x900
[  222.877860]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  222.882975]  ? pvclock_read_flags+0x160/0x160
[  222.887465]  ? lapic_next_event+0x5a/0x90
[  222.891608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  222.897143]  ? kvm_clock_read+0x18/0x30
[  222.901112]  ? kvm_sched_clock_read+0x9/0x20
[  222.905519]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  222.911053]  ? check_preemption_disabled+0x48/0x280
[  222.916074]  irq_exit+0x17f/0x1c0
[  222.919527]  smp_apic_timer_interrupt+0x1cb/0x760
[  222.924362]  ? smp_call_function_single_interrupt+0x159/0x650
[  222.930245]  ? smp_call_function_single_interrupt+0x650/0x650
[  222.936209]  ? interrupt_entry+0xb5/0xc0
[  222.940268]  ? trace_hardirqs_off_caller+0xbb/0x310
[  222.945280]  ? trace_hardirqs_off_caller+0xbb/0x310
[  222.950294]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  222.955132]  ? trace_hardirqs_on_caller+0x310/0x310
[  222.960146]  ? trace_hardirqs_on_caller+0x310/0x310
[  222.965167]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  222.970012]  apic_timer_interrupt+0xf/0x20
[  222.974235]  </IRQ>
[  222.976468] RIP: 0010:write_comp_data+0xd/0x70
[  222.981065] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  222.999975] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  223.007677] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  223.014944] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  223.022214] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  223.029476] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  223.036740] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  223.044020]  ? list_lru_count_one+0x36d/0x450
[  223.048520]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  223.053880]  list_lru_count_one+0x36d/0x450
[  223.058199]  ? list_lru_isolate_move+0x3c0/0x3c0
[  223.062954]  ? shmem_free_inode+0xd0/0xd0
[  223.067098]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.072632]  ? ubifs_shrink_count+0xc4/0x100
[  223.077044]  super_cache_count+0x1b9/0x2e0
[  223.081276]  do_shrink_slab+0x1b1/0xd30
[  223.085251]  ? lock_acquire+0x1ed/0x520
[  223.089228]  ? snapshot_refaults+0x290/0x290
[  223.093638]  ? lock_release+0xa00/0xa00
[  223.097612]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  223.102549]  ? down_read_trylock+0xda/0x140
[  223.106865]  ? shrink_slab+0x207/0x8c0
[  223.110749]  ? downgrade_write+0x270/0x270
[  223.114989]  shrink_slab+0x389/0x8c0
[  223.118705]  ? shrink_active_list+0x1f00/0x1f00
[  223.123373]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  223.129014]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  223.134124]  ? cgroup_procs_write_finish+0xf0/0xf0
[  223.139054]  ? find_held_lock+0x36/0x1c0
[  223.143117]  shrink_node+0x431/0x16b0
[  223.146920]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  223.152217]  ? shrink_node_memcg+0x18f0/0x18f0
[  223.156798]  ? kvm_clock_read+0x18/0x30
[  223.160786]  ? ktime_get+0x2c1/0x400
[  223.164498]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  223.168991]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  223.174523]  ? __cpuset_node_allowed+0x19b/0x660
[  223.179275]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  223.184978]  ? delayacct_end+0x5a/0x100
[  223.188969]  do_try_to_free_pages+0x3e7/0x1290
[  223.193543]  ? zap_class+0x640/0x640
[  223.197264]  ? shrink_node+0x16b0/0x16b0
[  223.201322]  ? __lock_is_held+0xb5/0x140
[  223.205388]  try_to_free_pages+0x4d0/0xb90
[  223.209623]  ? do_try_to_free_pages+0x1290/0x1290
[  223.214475]  ? lock_acquire+0x1ed/0x520
[  223.218441]  ? set_page_refcounted+0x280/0x280
[  223.223025]  ? lock_release+0xa00/0xa00
[  223.226995]  ? _raw_spin_unlock_irq+0x60/0x80
[  223.231485]  ? psi_memstall_enter+0x240/0x2b0
[  223.235979]  ? psi_memstall_tick+0x230/0x230
[  223.240393]  __alloc_pages_slowpath+0xa14/0x2e10
[  223.245167]  ? warn_alloc+0x120/0x120
[  223.248960]  ? mark_held_locks+0x130/0x130
[  223.253193]  ? find_get_entry+0xaae/0x1120
[  223.257433]  ? filemap_map_pages+0x1a20/0x1a20
[  223.262016]  ? zap_class+0x640/0x640
[  223.265733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.271270]  ? check_preemption_disabled+0x48/0x280
[  223.276280]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.281815]  ? should_fail+0x22d/0xd01
[  223.285704]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  223.290803]  ? zap_class+0x640/0x640
[  223.294533]  ? __lock_is_held+0xb5/0x140
[  223.298593]  ? mark_held_locks+0x130/0x130
[  223.302828]  ? lock_release+0xa00/0xa00
[  223.306801]  ? perf_trace_sched_process_exec+0x860/0x860
[  223.312248]  ? xa_load+0x2ba/0x460
[  223.315789]  ? lock_downgrade+0x900/0x900
[  223.319942]  ? __might_sleep+0x95/0x190
[  223.323915]  __alloc_pages_nodemask+0xa80/0xde0
[  223.328595]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  223.333613]  ? __page_cache_alloc+0x191/0x5c0
[  223.338112]  ? xa_load+0x2e1/0x460
[  223.341650]  ? xa_clear_mark+0x40/0x40
[  223.345538]  ? zap_class+0x640/0x640
[  223.349252]  ? zap_class+0x640/0x640
[  223.352964]  ? zap_class+0x640/0x640
[  223.356680]  ? __do_page_cache_readahead+0x663/0x810
[  223.361783]  ? find_held_lock+0x36/0x1c0
[  223.365847]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  223.371403]  alloc_pages_current+0x173/0x350
[  223.375830]  __page_cache_alloc+0x38c/0x5c0
[  223.380145]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  223.385072]  ? kasan_check_read+0x11/0x20
[  223.389220]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  223.394491]  ? generic_perform_write+0x6a0/0x6a0
[  223.399242]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.404865]  ? check_preemption_disabled+0x48/0x280
[  223.409879]  filemap_fault+0x1595/0x25f0
[  223.413947]  ? __lock_page_or_retry+0xa00/0xa00
[  223.418616]  ? mark_held_locks+0x130/0x130
[  223.422854]  ? filemap_map_pages+0xd6b/0x1a20
[  223.427347]  ? lock_downgrade+0x900/0x900
[  223.431490]  ? check_preemption_disabled+0x48/0x280
[  223.436505]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  223.441431]  ? kasan_check_read+0x11/0x20
[  223.445572]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  223.451017]  ? rcu_softirq_qs+0x20/0x20
[  223.455000]  ? filemap_map_pages+0xd92/0x1a20
[  223.459502]  ? find_get_entries_tag+0x1400/0x1400
[  223.464341]  ? debug_object_destroy+0x2b0/0x2b0
[  223.469012]  ? lock_pi_update_atomic+0x150/0x150
[  223.473760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  223.479304]  ? lock_acquire+0x1ed/0x520
[  223.483277]  ? ext4_filemap_fault+0x7a/0xad
[  223.487600]  ? lock_release+0xa00/0xa00
[  223.491567]  ? perf_trace_sched_process_exec+0x860/0x860
[  223.497016]  ? print_usage_bug+0xc0/0xc0
[  223.501071]  ? print_usage_bug+0xc0/0xc0
[  223.505140]  ? down_read+0x8d/0x120
[  223.508758]  ? ext4_filemap_fault+0x7a/0xad
[  223.513076]  ? __down_interruptible+0x700/0x700
[  223.517749]  ext4_filemap_fault+0x82/0xad
[  223.521893]  __do_fault+0x100/0x6b0
[  223.525523]  ? pmd_devmap_trans_unstable+0x220/0x220
[  223.530623]  ? mark_held_locks+0x130/0x130
[  223.534857]  ? mark_held_locks+0x130/0x130
[  223.539085]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  223.544356]  ? rcu_softirq_qs+0x20/0x20
[  223.548329]  ? kasan_check_write+0x14/0x20
[  223.552558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.558094]  __handle_mm_fault+0x3ea0/0x5be0
[  223.562507]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  223.567344]  ? aa_path_link+0x5e0/0x5e0
[  223.571323]  ? ksys_dup3+0x680/0x680
[  223.575043]  ? zap_class+0x640/0x640
[  223.578752]  ? zap_class+0x640/0x640
[  223.582458]  ? __x64_sys_futex+0x53e/0x6a0
[  223.586694]  ? find_held_lock+0x36/0x1c0
[  223.590758]  ? handle_mm_fault+0x42a/0xc70
[  223.594990]  ? lock_downgrade+0x900/0x900
[  223.599132]  ? check_preemption_disabled+0x48/0x280
[  223.604149]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  223.609076]  ? kasan_check_read+0x11/0x20
[  223.613217]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  223.618485]  ? rcu_softirq_qs+0x20/0x20
[  223.622454]  ? trace_hardirqs_off_caller+0x310/0x310
[  223.627551]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  223.633640]  ? check_preemption_disabled+0x48/0x280
[  223.638669]  handle_mm_fault+0x54f/0xc70
[  223.642731]  ? __handle_mm_fault+0x5be0/0x5be0
[  223.647318]  ? find_vma+0x34/0x190
[  223.650859]  __do_page_fault+0x5e8/0xe60
[  223.654919]  ? trace_hardirqs_off+0xb8/0x310
[  223.659342]  do_page_fault+0xf2/0x7e0
[  223.663142]  ? vmalloc_sync_all+0x30/0x30
[  223.667296]  ? error_entry+0x70/0xd0
[  223.671012]  ? trace_hardirqs_off_caller+0xbb/0x310
[  223.676987]  ? trace_hardirqs_on_caller+0xc0/0x310
[  223.681916]  ? syscall_return_slowpath+0x5e0/0x5e0
[  223.686840]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  223.691676]  ? trace_hardirqs_on_caller+0x310/0x310
[  223.696684]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  223.702147]  ? prepare_exit_to_usermode+0x291/0x3b0
[  223.707157]  ? page_fault+0x8/0x30
[  223.710695]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  223.715539]  ? page_fault+0x8/0x30
[  223.719073]  page_fault+0x1e/0x30
[  223.722533] RIP: 0033:0x40f9c0
[  223.725735] Code: Bad RIP value.
[  223.729089] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  223.734443] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  223.741706] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  223.748969] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  223.756231] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  223.763582] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  223.770867] warn_alloc_show_mem: 1 callbacks suppressed
[  223.770877] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  223.770883] Mem-Info:
[  223.770915] active_anon:51741 inactive_anon:192 isolated_anon:0
[  223.770915]  active_file:28 inactive_file:10 isolated_file:0
[  223.770915]  unevictable:0 dirty:0 writeback:0 unstable:0
[  223.770915]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  223.770915]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  223.770915]  free:13684 free_pcp:150 free_cma:0
[  223.776332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  223.776340] Call Trace:
[  223.783624] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  223.786024]  <IRQ>
[  223.818966] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  223.828318]  dump_stack+0x244/0x39d
[  223.830879] lowmem_reserve[]: 0 2818 6321 6321
[  223.858544]  ? dump_stack_print_info.cold.1+0x20/0x20
[  223.860665] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  223.886769]  warn_alloc.cold.116+0xb7/0x1bd
[  223.890363] lowmem_reserve[]: 0 0 3503 3503
[  223.894938]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  223.900098] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  223.927686]  ? lock_downgrade+0x900/0x900
[  223.931974] lowmem_reserve[]: 0 0 0 0
[  223.936286]  ? trace_hardirqs_off+0xb8/0x310
[  223.941184] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  223.970064]  ? trace_hardirqs_off+0xb8/0x310
[  223.974180] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  223.977976]  __alloc_pages_slowpath+0x26e8/0x2e10
[  223.982348] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  223.995886]  ? warn_alloc+0x120/0x120
[  224.000256] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  224.015508]  ? warn_alloc+0x120/0x120
[  224.020325] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  224.035580]  ? __lock_acquire+0x62f/0x4c20
[  224.039350] 281 total pagecache pages
[  224.048174]  ? warn_alloc+0x120/0x120
[  224.051955] 0 pages in swap cache
[  224.060507]  ? print_usage_bug+0xc0/0xc0
[  224.064715] Swap cache stats: add 0, delete 0, find 0/0
[  224.064722] Free swap  = 0kB
[  224.068523]  ? print_usage_bug+0xc0/0xc0
[  224.072295] Total swap = 0kB
[  224.075735]  ? mark_held_locks+0x130/0x130
[  224.079764] 1965979 pages RAM
[  224.085122]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.088112] 0 pages HighMem/MovableOnly
[  224.088119] 342854 pages reserved
[  224.092177]  ? should_fail+0x22d/0xd01
[  224.095179] 0 pages cma reserved
[  224.099402]  ? zap_class+0x640/0x640
[  224.102573] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  224.108006]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  224.108021]  ? __lock_acquire+0x62f/0x4c20
[  224.108038]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  224.112134] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  224.115422]  ? should_fail+0x22d/0xd01
[  224.119280] syz-fuzzer cpuset=/ mems_allowed=0
[  224.122640]  ? mark_held_locks+0x130/0x130
[  224.170120]  ? mark_held_locks+0x130/0x130
[  224.174354]  ? lock_downgrade+0x900/0x900
[  224.178501]  ? zap_class+0x640/0x640
[  224.182209]  ? zap_class+0x640/0x640
[  224.185920]  ? zap_class+0x640/0x640
[  224.189631]  ? do_raw_spin_unlock+0xa7/0x330
[  224.194041]  ? trace_hardirqs_on+0x310/0x310
[  224.198445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.203985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.209564]  ? check_preemption_disabled+0x48/0x280
[  224.214614]  ? __lock_is_held+0xb5/0x140
[  224.218703]  __alloc_pages_nodemask+0xa80/0xde0
[  224.223384]  ? zap_class+0x640/0x640
[  224.227462]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  224.232498]  ? find_held_lock+0x36/0x1c0
[  224.236659]  ? ____cache_alloc_node+0x1c7/0x1e0
[  224.241332]  ? lock_downgrade+0x900/0x900
[  224.245494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.251036]  cache_grow_begin+0xa5/0x8c0
[  224.255109]  ? do_raw_spin_unlock+0xa7/0x330
[  224.259524]  fallback_alloc+0x204/0x2e0
[  224.263501]  ____cache_alloc_node+0x1c7/0x1e0
[  224.268001]  kmem_cache_alloc_node+0xe3/0x730
[  224.272497]  ? lockdep_hardirqs_on+0x296/0x5b0
[  224.277089]  __alloc_skb+0x119/0x770
[  224.280805]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  224.286169]  ? netdev_alloc_frag+0x1f0/0x1f0
[  224.290589]  ? vprintk_default+0x28/0x30
[  224.294649]  ? vprintk_func+0x85/0x181
[  224.298533]  ? printk+0xa7/0xcf
[  224.301808]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  224.306578]  new_skb+0x26/0x1c0
[  224.309855]  aoecmd_cfg+0x279/0x7f0
[  224.313481]  ? find_held_lock+0x36/0x1c0
[  224.317545]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  224.321878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.327427]  ? __lock_is_held+0xb5/0x140
[  224.331496]  discover_timer+0x50/0x60
[  224.335380]  call_timer_fn+0x272/0x920
[  224.339265]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  224.344107]  ? process_timeout+0x40/0x40
[  224.348182]  ? __run_timers+0x7da/0xc70
[  224.352155]  ? _raw_spin_unlock_irq+0x27/0x80
[  224.356648]  ? _raw_spin_unlock_irq+0x27/0x80
[  224.361137]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  224.365988]  ? lockdep_hardirqs_on+0x296/0x5b0
[  224.370576]  ? trace_hardirqs_on+0xbd/0x310
[  224.374894]  ? kasan_check_read+0x11/0x20
[  224.379036]  ? __run_timers+0x7da/0xc70
[  224.383020]  ? trace_hardirqs_off_caller+0x310/0x310
[  224.388136]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  224.392971]  __run_timers+0x7e5/0xc70
[  224.396777]  ? timer_fixup_init+0x70/0x70
[  224.400926]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  224.405943]  ? zap_class+0x640/0x640
[  224.409670]  ? enqueue_hrtimer+0x1a5/0x560
[  224.413903]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  224.419094]  ? find_held_lock+0x36/0x1c0
[  224.423167]  ? zap_class+0x640/0x640
[  224.426886]  ? pvclock_read_flags+0x160/0x160
[  224.431380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.436916]  ? check_preemption_disabled+0x48/0x280
[  224.441937]  ? __lock_is_held+0xb5/0x140
[  224.445998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.451530]  ? check_preemption_disabled+0x48/0x280
[  224.456553]  run_timer_softirq+0x52/0xb0
[  224.460619]  ? rcu_read_lock_sched_held+0x14f/0x180
[  224.465632]  __do_softirq+0x308/0xb7e
[  224.469433]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  224.474009]  ? lock_downgrade+0x900/0x900
[  224.478158]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  224.483264]  ? pvclock_read_flags+0x160/0x160
[  224.487758]  ? lapic_next_event+0x5a/0x90
[  224.491908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.497447]  ? kvm_clock_read+0x18/0x30
[  224.501417]  ? kvm_sched_clock_read+0x9/0x20
[  224.505825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.511362]  ? check_preemption_disabled+0x48/0x280
[  224.516398]  irq_exit+0x17f/0x1c0
[  224.519852]  smp_apic_timer_interrupt+0x1cb/0x760
[  224.524689]  ? smp_reschedule_interrupt+0x109/0x650
[  224.529704]  ? smp_call_function_single_interrupt+0x650/0x650
[  224.535586]  ? interrupt_entry+0xb5/0xc0
[  224.539661]  ? trace_hardirqs_off_caller+0xbb/0x310
[  224.544677]  ? trace_hardirqs_off_caller+0xbb/0x310
[  224.549694]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  224.554539]  ? trace_hardirqs_on_caller+0x310/0x310
[  224.559565]  ? trace_hardirqs_on_caller+0x310/0x310
[  224.564582]  ? task_prio+0x50/0x50
[  224.568123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.573654]  ? check_preemption_disabled+0x48/0x280
[  224.578675]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  224.583520]  apic_timer_interrupt+0xf/0x20
[  224.587750]  </IRQ>
[  224.589984] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  224.594916] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  224.613809] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  224.621509] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  224.628772] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  224.636035] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  224.643295] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  224.650566] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  224.657865]  skb_clone+0x1bb/0x500
[  224.661400]  ? finish_task_switch+0x1b4/0x910
[  224.665894]  ? skb_split+0x11e0/0x11e0
[  224.669778]  ? preempt_notifier_register+0x200/0x200
[  224.674883]  ? __switch_to_asm+0x34/0x70
[  224.678936]  ? __switch_to_asm+0x34/0x70
[  224.682991]  ? __switch_to_asm+0x40/0x70
[  224.687045]  ? __switch_to_asm+0x34/0x70
[  224.691107]  ? __switch_to_asm+0x40/0x70
[  224.695162]  ? __switch_to_asm+0x34/0x70
[  224.699218]  ? __switch_to_asm+0x40/0x70
[  224.703270]  ? __switch_to_asm+0x34/0x70
[  224.707347]  ? __switch_to_asm+0x34/0x70
[  224.711403]  ? __switch_to_asm+0x40/0x70
[  224.715457]  ? __switch_to_asm+0x34/0x70
[  224.719516]  bpf_clone_redirect+0xb9/0x490
[  224.723755]  ? __schedule+0x8d7/0x21d0
[  224.727647]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  224.732661]  ? __sched_text_start+0x8/0x8
[  224.736807]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  224.741387]  ? retint_kernel+0x2d/0x2d
[  224.745269]  ? trace_hardirqs_on_caller+0xc0/0x310
[  224.750202]  ? find_held_lock+0x36/0x1c0
[  224.754275]  ? lock_acquire+0x1ed/0x520
[  224.758249]  ? bpf_test_run+0x3cb/0x780
[  224.762218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  224.767752]  ? check_preemption_disabled+0x48/0x280
[  224.772773]  ? kasan_check_read+0x11/0x20
[  224.776928]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  224.782302]  ? rcu_softirq_qs+0x20/0x20
[  224.786284]  ? preempt_schedule+0x4d/0x60
[  224.790443]  ? ___preempt_schedule+0x16/0x18
[  224.794861]  ? bpf_test_run+0x25d/0x780
[  224.799369]  ? netlink_diag_dump+0x2a0/0x2a0
[  224.803785]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  224.809317]  ? bpf_test_init.isra.10+0x70/0x100
[  224.813986]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  224.818748]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  224.823590]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  224.829125]  ? fput+0x130/0x1a0
[  224.832402]  ? __bpf_prog_get+0x9b/0x290
[  224.836462]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  224.841310]  ? bpf_prog_test_run+0x130/0x1a0
[  224.845717]  ? __x64_sys_bpf+0x3d8/0x520
[  224.849776]  ? bpf_prog_get+0x20/0x20
[  224.853589]  ? do_syscall_64+0x1b9/0x820
[  224.857647]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  224.863010]  ? syscall_return_slowpath+0x5e0/0x5e0
[  224.867938]  ? trace_hardirqs_on_caller+0x310/0x310
[  224.872961]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  224.877974]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  224.884635]  ? __switch_to_asm+0x40/0x70
[  224.888688]  ? __switch_to_asm+0x34/0x70
[  224.892751]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  224.897591]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  224.902966] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  224.903044] aoe: skb alloc failure
[  224.909988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  224.909994] Call Trace:
[  224.910001]  <IRQ>
[  224.910019]  dump_stack+0x244/0x39d
[  224.910047]  ? dump_stack_print_info.cold.1+0x20/0x20
[  224.913578] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  224.922905]  warn_alloc.cold.116+0xb7/0x1bd
[  224.925452] syz-executor2 cpuset=syz2 mems_allowed=0
[  224.927592]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  224.961066]  ? lock_downgrade+0x900/0x900
[  224.965217]  ? trace_hardirqs_off+0xb8/0x310
[  224.969628]  ? trace_hardirqs_off+0xb8/0x310
[  224.974045]  __alloc_pages_slowpath+0x26e8/0x2e10
[  224.978907]  ? warn_alloc+0x120/0x120
[  224.982714]  ? print_usage_bug+0xc0/0xc0
[  224.986779]  ? warn_alloc+0x120/0x120
[  224.990580]  ? warn_alloc+0x120/0x120
[  224.994381]  ? print_usage_bug+0xc0/0xc0
[  224.998441]  ? print_usage_bug+0xc0/0xc0
[  225.002496]  ? __lock_acquire+0x62f/0x4c20
[  225.006742]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.012277]  ? should_fail+0x22d/0xd01
[  225.016165]  ? __lock_acquire+0x62f/0x4c20
[  225.020399]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.025500]  ? __lock_acquire+0x62f/0x4c20
[  225.029741]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.034848]  ? __lock_acquire+0x62f/0x4c20
[  225.039079]  ? should_fail+0x22d/0xd01
[  225.042969]  ? mark_held_locks+0x130/0x130
[  225.047200]  ? mark_held_locks+0x130/0x130
[  225.051430]  ? zap_class+0x640/0x640
[  225.055138]  ? zap_class+0x640/0x640
[  225.058852]  ? print_usage_bug+0xc0/0xc0
[  225.062912]  ? do_raw_spin_unlock+0xa7/0x330
[  225.067317]  ? zap_class+0x640/0x640
[  225.071029]  ? print_usage_bug+0xc0/0xc0
[  225.075090]  ? wq_watchdog_touch+0x9c/0xfe
[  225.079330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.084866]  ? check_preemption_disabled+0x48/0x280
[  225.089893]  ? __lock_is_held+0xb5/0x140
[  225.093973]  __alloc_pages_nodemask+0xa80/0xde0
[  225.098650]  ? zap_class+0x640/0x640
[  225.102363]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  225.107383]  ? find_held_lock+0x36/0x1c0
[  225.111449]  ? ____cache_alloc_node+0x1c7/0x1e0
[  225.116113]  ? lock_downgrade+0x900/0x900
[  225.120261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.125796]  cache_grow_begin+0xa5/0x8c0
[  225.129856]  ? do_raw_spin_unlock+0xa7/0x330
[  225.134267]  fallback_alloc+0x204/0x2e0
[  225.138256]  ____cache_alloc_node+0x1c7/0x1e0
[  225.142759]  kmem_cache_alloc_node+0xe3/0x730
[  225.147248]  ? ipv6_get_ifaddr+0x42e/0x620
[  225.151489]  __alloc_skb+0x119/0x770
[  225.155208]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  225.160483]  ? netdev_alloc_frag+0x1f0/0x1f0
[  225.164894]  ? lock_downgrade+0x900/0x900
[  225.169046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.174584]  ? refcount_sub_and_test_checked+0x203/0x310
[  225.180035]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  225.185483]  ? addrconf_rs_timer+0x690/0x690
[  225.189909]  ndisc_alloc_skb+0x144/0x340
[  225.193975]  ndisc_send_rs+0x331/0x6e0
[  225.197863]  addrconf_rs_timer+0x314/0x690
[  225.202116]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.206353]  call_timer_fn+0x272/0x920
[  225.210233]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.214462]  ? process_timeout+0x40/0x40
[  225.218533]  ? mark_held_locks+0xc7/0x130
[  225.222694]  ? _raw_spin_unlock_irq+0x27/0x80
[  225.227190]  ? _raw_spin_unlock_irq+0x27/0x80
[  225.231679]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.235908]  ? lockdep_hardirqs_on+0x296/0x5b0
[  225.240494]  ? trace_hardirqs_on+0xbd/0x310
[  225.244812]  ? kasan_check_read+0x11/0x20
[  225.248955]  ? __run_timers+0x7da/0xc70
[  225.252928]  ? trace_hardirqs_off_caller+0x310/0x310
[  225.258037]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  225.262263]  __run_timers+0x7e5/0xc70
[  225.266065]  ? timer_fixup_init+0x70/0x70
[  225.270212]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  225.275225]  ? zap_class+0x640/0x640
[  225.278946]  ? print_usage_bug+0xc0/0xc0
[  225.283006]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  225.288196]  ? find_held_lock+0x36/0x1c0
[  225.292255]  ? zap_class+0x640/0x640
[  225.295971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.301511]  ? check_preemption_disabled+0x48/0x280
[  225.306528]  ? __lock_is_held+0xb5/0x140
[  225.310584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.316219]  ? check_preemption_disabled+0x48/0x280
[  225.321241]  run_timer_softirq+0x52/0xb0
[  225.325307]  ? rcu_read_lock_sched_held+0x14f/0x180
[  225.330320]  __do_softirq+0x308/0xb7e
[  225.334117]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  225.338621]  ? lock_downgrade+0x900/0x900
[  225.342768]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  225.347878]  ? pvclock_read_flags+0x160/0x160
[  225.352372]  ? lapic_next_event+0x5a/0x90
[  225.356515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.362050]  ? kvm_clock_read+0x18/0x30
[  225.366017]  ? kvm_sched_clock_read+0x9/0x20
[  225.370422]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.375952]  ? check_preemption_disabled+0x48/0x280
[  225.380971]  irq_exit+0x17f/0x1c0
[  225.384420]  smp_apic_timer_interrupt+0x1cb/0x760
[  225.389261]  ? smp_call_function_single_interrupt+0x159/0x650
[  225.395144]  ? smp_call_function_single_interrupt+0x650/0x650
[  225.401022]  ? interrupt_entry+0xb5/0xc0
[  225.405082]  ? trace_hardirqs_off_caller+0xbb/0x310
[  225.410096]  ? trace_hardirqs_off_caller+0xbb/0x310
[  225.415112]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  225.419950]  ? trace_hardirqs_on_caller+0x310/0x310
[  225.424958]  ? trace_hardirqs_on_caller+0x310/0x310
[  225.429977]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  225.434823]  apic_timer_interrupt+0xf/0x20
[  225.439044]  </IRQ>
[  225.441283] RIP: 0010:write_comp_data+0xd/0x70
[  225.445865] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  225.464758] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  225.472458] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  225.479732] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  225.486998] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  225.494259] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  225.501518] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  225.508800]  ? list_lru_count_one+0x36d/0x450
[  225.513300]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  225.518659]  list_lru_count_one+0x36d/0x450
[  225.522980]  ? list_lru_isolate_move+0x3c0/0x3c0
[  225.527743]  ? shmem_free_inode+0xd0/0xd0
[  225.531887]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.537420]  ? ubifs_shrink_count+0xc4/0x100
[  225.541834]  super_cache_count+0x1b9/0x2e0
[  225.546068]  do_shrink_slab+0x1b1/0xd30
[  225.550039]  ? lock_acquire+0x1ed/0x520
[  225.554011]  ? snapshot_refaults+0x290/0x290
[  225.558414]  ? lock_release+0xa00/0xa00
[  225.562388]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  225.567496]  ? down_read_trylock+0xda/0x140
[  225.571809]  ? shrink_slab+0x207/0x8c0
[  225.575694]  ? downgrade_write+0x270/0x270
[  225.579956]  shrink_slab+0x389/0x8c0
[  225.583666]  ? shrink_active_list+0x1f00/0x1f00
[  225.588334]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  225.593956]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  225.599064]  ? cgroup_procs_write_finish+0xf0/0xf0
[  225.603994]  ? find_held_lock+0x36/0x1c0
[  225.608059]  shrink_node+0x431/0x16b0
[  225.611860]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  225.617154]  ? shrink_node_memcg+0x18f0/0x18f0
[  225.621742]  ? kvm_clock_read+0x18/0x30
[  225.625716]  ? ktime_get+0x2c1/0x400
[  225.629426]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  225.634243]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  225.639780]  ? __cpuset_node_allowed+0x19b/0x660
[  225.644532]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  225.650238]  ? delayacct_end+0x5a/0x100
[  225.654227]  do_try_to_free_pages+0x3e7/0x1290
[  225.658804]  ? zap_class+0x640/0x640
[  225.662525]  ? shrink_node+0x16b0/0x16b0
[  225.666585]  ? __lock_is_held+0xb5/0x140
[  225.670653]  try_to_free_pages+0x4d0/0xb90
[  225.674885]  ? do_try_to_free_pages+0x1290/0x1290
[  225.679736]  ? lock_acquire+0x1ed/0x520
[  225.683707]  ? set_page_refcounted+0x280/0x280
[  225.688290]  ? lock_release+0xa00/0xa00
[  225.692264]  ? _raw_spin_unlock_irq+0x60/0x80
[  225.696756]  ? psi_memstall_enter+0x240/0x2b0
[  225.701252]  ? psi_memstall_tick+0x230/0x230
[  225.705669]  __alloc_pages_slowpath+0xa14/0x2e10
[  225.710450]  ? warn_alloc+0x120/0x120
[  225.714245]  ? mark_held_locks+0x130/0x130
[  225.718480]  ? find_get_entry+0xaae/0x1120
[  225.722728]  ? filemap_map_pages+0x1a20/0x1a20
[  225.727327]  ? zap_class+0x640/0x640
[  225.731054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.736613]  ? check_preemption_disabled+0x48/0x280
[  225.741644]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.747182]  ? should_fail+0x22d/0xd01
[  225.751077]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  225.756189]  ? zap_class+0x640/0x640
[  225.759927]  ? __lock_is_held+0xb5/0x140
[  225.764004]  ? mark_held_locks+0x130/0x130
[  225.768250]  ? lock_release+0xa00/0xa00
[  225.772267]  ? perf_trace_sched_process_exec+0x860/0x860
[  225.777739]  ? xa_load+0x2ba/0x460
[  225.781293]  ? lock_downgrade+0x900/0x900
[  225.785461]  ? __might_sleep+0x95/0x190
[  225.789445]  __alloc_pages_nodemask+0xa80/0xde0
[  225.794126]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  225.799152]  ? __page_cache_alloc+0x191/0x5c0
[  225.803648]  ? xa_load+0x2e1/0x460
[  225.807191]  ? xa_clear_mark+0x40/0x40
[  225.811100]  ? zap_class+0x640/0x640
[  225.814818]  ? zap_class+0x640/0x640
[  225.818529]  ? zap_class+0x640/0x640
[  225.822245]  ? __do_page_cache_readahead+0x663/0x810
[  225.827358]  ? find_held_lock+0x36/0x1c0
[  225.831443]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  225.836992]  alloc_pages_current+0x173/0x350
[  225.841414]  __page_cache_alloc+0x38c/0x5c0
[  225.845747]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  225.850672]  ? kasan_check_read+0x11/0x20
[  225.854823]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  225.860102]  ? generic_perform_write+0x6a0/0x6a0
[  225.864861]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  225.870399]  ? check_preemption_disabled+0x48/0x280
[  225.875424]  filemap_fault+0x1595/0x25f0
[  225.879501]  ? __lock_page_or_retry+0xa00/0xa00
[  225.884175]  ? mark_held_locks+0x130/0x130
[  225.888437]  ? filemap_map_pages+0xd6b/0x1a20
[  225.892931]  ? lock_downgrade+0x900/0x900
[  225.897075]  ? check_preemption_disabled+0x48/0x280
[  225.902103]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  225.907037]  ? kasan_check_read+0x11/0x20
[  225.911182]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  225.916461]  ? rcu_softirq_qs+0x20/0x20
[  225.920457]  ? filemap_map_pages+0xd92/0x1a20
[  225.924973]  ? find_get_entries_tag+0x1400/0x1400
[  225.929818]  ? debug_object_destroy+0x2b0/0x2b0
[  225.934488]  ? lock_pi_update_atomic+0x150/0x150
[  225.939245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  225.944971]  ? lock_acquire+0x1ed/0x520
[  225.948953]  ? ext4_filemap_fault+0x7a/0xad
[  225.953276]  ? lock_release+0xa00/0xa00
[  225.957257]  ? perf_trace_sched_process_exec+0x860/0x860
[  225.962797]  ? print_usage_bug+0xc0/0xc0
[  225.966857]  ? print_usage_bug+0xc0/0xc0
[  225.970942]  ? down_read+0x8d/0x120
[  225.974563]  ? ext4_filemap_fault+0x7a/0xad
[  225.978889]  ? __down_interruptible+0x700/0x700
[  225.983611]  ext4_filemap_fault+0x82/0xad
[  225.987760]  __do_fault+0x100/0x6b0
[  225.991390]  ? pmd_devmap_trans_unstable+0x220/0x220
[  225.996502]  ? mark_held_locks+0x130/0x130
[  226.000742]  ? mark_held_locks+0x130/0x130
[  226.004975]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  226.010250]  ? rcu_softirq_qs+0x20/0x20
[  226.014229]  ? kasan_check_write+0x14/0x20
[  226.018463]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.024005]  __handle_mm_fault+0x3ea0/0x5be0
[  226.028425]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  226.033264]  ? aa_path_link+0x5e0/0x5e0
[  226.037244]  ? ksys_dup3+0x680/0x680
[  226.040973]  ? zap_class+0x640/0x640
[  226.044693]  ? zap_class+0x640/0x640
[  226.048421]  ? __x64_sys_futex+0x53e/0x6a0
[  226.052665]  ? find_held_lock+0x36/0x1c0
[  226.056739]  ? handle_mm_fault+0x42a/0xc70
[  226.060972]  ? lock_downgrade+0x900/0x900
[  226.065121]  ? check_preemption_disabled+0x48/0x280
[  226.070400]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  226.075332]  ? kasan_check_read+0x11/0x20
[  226.079475]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  226.084752]  ? rcu_softirq_qs+0x20/0x20
[  226.088738]  ? trace_hardirqs_off_caller+0x310/0x310
[  226.093847]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.099399]  ? check_preemption_disabled+0x48/0x280
[  226.104535]  handle_mm_fault+0x54f/0xc70
[  226.108616]  ? __handle_mm_fault+0x5be0/0x5be0
[  226.113207]  ? find_vma+0x34/0x190
[  226.116757]  __do_page_fault+0x5e8/0xe60
[  226.120816]  ? trace_hardirqs_off+0xb8/0x310
[  226.125234]  do_page_fault+0xf2/0x7e0
[  226.129047]  ? vmalloc_sync_all+0x30/0x30
[  226.133191]  ? error_entry+0x70/0xd0
[  226.136901]  ? trace_hardirqs_off_caller+0xbb/0x310
[  226.141918]  ? trace_hardirqs_on_caller+0xc0/0x310
[  226.146853]  ? syscall_return_slowpath+0x5e0/0x5e0
[  226.151779]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  226.156624]  ? trace_hardirqs_on_caller+0x310/0x310
[  226.161640]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  226.167099]  ? prepare_exit_to_usermode+0x291/0x3b0
[  226.172113]  ? page_fault+0x8/0x30
[  226.175652]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  226.180499]  ? page_fault+0x8/0x30
[  226.184038]  page_fault+0x1e/0x30
[  226.187488] RIP: 0033:0x40f9c0
[  226.190693] Code: Bad RIP value.
[  226.194049] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  226.199414] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  226.206681] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  226.213959] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  226.221222] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  226.228665] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  226.235954] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  226.235959] warn_alloc_show_mem: 1 callbacks suppressed
[  226.235965] Mem-Info:
[  226.243416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  226.243424] Call Trace:
[  226.248793] active_anon:51741 inactive_anon:192 isolated_anon:0
[  226.248793]  active_file:28 inactive_file:10 isolated_file:0
[  226.248793]  unevictable:0 dirty:0 writeback:0 unstable:0
[  226.248793]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  226.248793]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  226.248793]  free:13684 free_pcp:150 free_cma:0
[  226.251165]  <IRQ>
[  226.260543] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  226.263118]  dump_stack+0x244/0x39d
[  226.295971] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  226.298122]  ? dump_stack_print_info.cold.1+0x20/0x20
[  226.325664] lowmem_reserve[]: 0 2818 6321 6321
[  226.329303]  warn_alloc.cold.116+0xb7/0x1bd
[  226.355375] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  226.360662]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  226.365214] lowmem_reserve[]: 0 0 3503 3503
[  226.369543]  ? lock_downgrade+0x900/0x900
[  226.397185] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  226.402048]  ? trace_hardirqs_off+0xb8/0x310
[  226.406335] lowmem_reserve[]: 0 0 0 0
[  226.410489]  ? trace_hardirqs_off+0xb8/0x310
[  226.439349] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  226.443764]  __alloc_pages_slowpath+0x26e8/0x2e10
[  226.447528] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  226.451951]  ? warn_alloc+0x120/0x120
[  226.465430] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  226.470271]  ? warn_alloc+0x120/0x120
[  226.485513] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  226.489309]  ? __lock_acquire+0x62f/0x4c20
[  226.504540] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  226.508324]  ? warn_alloc+0x120/0x120
[  226.517136] 281 total pagecache pages
[  226.521375]  ? print_usage_bug+0xc0/0xc0
[  226.529929] 0 pages in swap cache
[  226.533722]  ? print_usage_bug+0xc0/0xc0
[  226.537511] Swap cache stats: add 0, delete 0, find 0/0
[  226.537518] Free swap  = 0kB
[  226.541567]  ? mark_held_locks+0x130/0x130
[  226.544992] Total swap = 0kB
[  226.549046]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  226.554387] 1965979 pages RAM
[  226.557403]  ? should_fail+0x22d/0xd01
[  226.561610] 0 pages HighMem/MovableOnly
[  226.561617] 342854 pages reserved
[  226.564625]  ? zap_class+0x640/0x640
[  226.570143] 0 pages cma reserved
[  226.570230] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  226.573250]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  226.577204] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  226.581079]  ? __lock_acquire+0x62f/0x4c20
[  226.584502] syz-fuzzer cpuset=/ mems_allowed=0
[  226.588206]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  226.627225]  ? should_fail+0x22d/0xd01
[  226.631146]  ? mark_held_locks+0x130/0x130
[  226.635381]  ? mark_held_locks+0x130/0x130
[  226.639615]  ? lock_downgrade+0x900/0x900
[  226.643763]  ? zap_class+0x640/0x640
[  226.647472]  ? zap_class+0x640/0x640
[  226.651185]  ? zap_class+0x640/0x640
[  226.654892]  ? do_raw_spin_unlock+0xa7/0x330
[  226.659298]  ? trace_hardirqs_on+0x310/0x310
[  226.663707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.669246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.674783]  ? check_preemption_disabled+0x48/0x280
[  226.679806]  ? __lock_is_held+0xb5/0x140
[  226.683874]  __alloc_pages_nodemask+0xa80/0xde0
[  226.688542]  ? zap_class+0x640/0x640
[  226.692259]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  226.697282]  ? find_held_lock+0x36/0x1c0
[  226.701360]  ? ____cache_alloc_node+0x1c7/0x1e0
[  226.706027]  ? lock_downgrade+0x900/0x900
[  226.710179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.715722]  cache_grow_begin+0xa5/0x8c0
[  226.719779]  ? do_raw_spin_unlock+0xa7/0x330
[  226.724189]  fallback_alloc+0x204/0x2e0
[  226.728172]  ____cache_alloc_node+0x1c7/0x1e0
[  226.732666]  kmem_cache_alloc_node+0xe3/0x730
[  226.737163]  ? lockdep_hardirqs_on+0x296/0x5b0
[  226.741758]  __alloc_skb+0x119/0x770
[  226.745468]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  226.750838]  ? netdev_alloc_frag+0x1f0/0x1f0
[  226.755251]  ? vprintk_default+0x28/0x30
[  226.759317]  ? vprintk_func+0x85/0x181
[  226.763213]  ? printk+0xa7/0xcf
[  226.766494]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  226.771255]  new_skb+0x26/0x1c0
[  226.774549]  aoecmd_cfg+0x279/0x7f0
[  226.778185]  ? find_held_lock+0x36/0x1c0
[  226.782253]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  226.786580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.792135]  ? __lock_is_held+0xb5/0x140
[  226.796205]  discover_timer+0x50/0x60
[  226.800508]  call_timer_fn+0x272/0x920
[  226.804399]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  226.809246]  ? process_timeout+0x40/0x40
[  226.813311]  ? __run_timers+0x7da/0xc70
[  226.817293]  ? _raw_spin_unlock_irq+0x27/0x80
[  226.821868]  ? _raw_spin_unlock_irq+0x27/0x80
[  226.826368]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  226.831210]  ? lockdep_hardirqs_on+0x296/0x5b0
[  226.835790]  ? trace_hardirqs_on+0xbd/0x310
[  226.840115]  ? kasan_check_read+0x11/0x20
[  226.844277]  ? __run_timers+0x7da/0xc70
[  226.848249]  ? trace_hardirqs_off_caller+0x310/0x310
[  226.853367]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  226.858206]  __run_timers+0x7e5/0xc70
[  226.862011]  ? timer_fixup_init+0x70/0x70
[  226.866155]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  226.871167]  ? zap_class+0x640/0x640
[  226.874879]  ? enqueue_hrtimer+0x1a5/0x560
[  226.879116]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  226.884314]  ? find_held_lock+0x36/0x1c0
[  226.888397]  ? zap_class+0x640/0x640
[  226.892132]  ? pvclock_read_flags+0x160/0x160
[  226.896630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.902169]  ? check_preemption_disabled+0x48/0x280
[  226.907190]  ? __lock_is_held+0xb5/0x140
[  226.911250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.916798]  ? check_preemption_disabled+0x48/0x280
[  226.921818]  run_timer_softirq+0x52/0xb0
[  226.925879]  ? rcu_read_lock_sched_held+0x14f/0x180
[  226.930895]  __do_softirq+0x308/0xb7e
[  226.934698]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  226.939191]  ? lock_downgrade+0x900/0x900
[  226.943349]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  226.948460]  ? pvclock_read_flags+0x160/0x160
[  226.952963]  ? lapic_next_event+0x5a/0x90
[  226.957117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.962659]  ? kvm_clock_read+0x18/0x30
[  226.966634]  ? kvm_sched_clock_read+0x9/0x20
[  226.971043]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  226.976581]  ? check_preemption_disabled+0x48/0x280
[  226.981607]  irq_exit+0x17f/0x1c0
[  226.985061]  smp_apic_timer_interrupt+0x1cb/0x760
[  226.989912]  ? smp_reschedule_interrupt+0x109/0x650
[  226.994931]  ? smp_call_function_single_interrupt+0x650/0x650
[  227.000811]  ? interrupt_entry+0xb5/0xc0
[  227.004871]  ? trace_hardirqs_off_caller+0xbb/0x310
[  227.009880]  ? trace_hardirqs_off_caller+0xbb/0x310
[  227.014901]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.019745]  ? trace_hardirqs_on_caller+0x310/0x310
[  227.024763]  ? trace_hardirqs_on_caller+0x310/0x310
[  227.029775]  ? task_prio+0x50/0x50
[  227.033401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.038938]  ? check_preemption_disabled+0x48/0x280
[  227.043957]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.048822]  apic_timer_interrupt+0xf/0x20
[  227.053047]  </IRQ>
[  227.055283] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  227.060214] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  227.079129] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  227.086836] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  227.094105] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  227.101374] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  227.108638] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  227.115906] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  227.123217]  skb_clone+0x1bb/0x500
[  227.126758]  ? finish_task_switch+0x1b4/0x910
[  227.131253]  ? skb_split+0x11e0/0x11e0
[  227.135138]  ? preempt_notifier_register+0x200/0x200
[  227.140240]  ? __switch_to_asm+0x34/0x70
[  227.144301]  ? __switch_to_asm+0x34/0x70
[  227.148377]  ? __switch_to_asm+0x40/0x70
[  227.152432]  ? __switch_to_asm+0x34/0x70
[  227.156501]  ? __switch_to_asm+0x40/0x70
[  227.160557]  ? __switch_to_asm+0x34/0x70
[  227.164623]  ? __switch_to_asm+0x40/0x70
[  227.168680]  ? __switch_to_asm+0x34/0x70
[  227.172740]  ? __switch_to_asm+0x34/0x70
[  227.176799]  ? __switch_to_asm+0x40/0x70
[  227.180858]  ? __switch_to_asm+0x34/0x70
[  227.184924]  bpf_clone_redirect+0xb9/0x490
[  227.189163]  ? __schedule+0x8d7/0x21d0
[  227.193064]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  227.198088]  ? __sched_text_start+0x8/0x8
[  227.202237]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  227.206820]  ? retint_kernel+0x2d/0x2d
[  227.210711]  ? trace_hardirqs_on_caller+0xc0/0x310
[  227.215645]  ? find_held_lock+0x36/0x1c0
[  227.219711]  ? lock_acquire+0x1ed/0x520
[  227.223683]  ? bpf_test_run+0x3cb/0x780
[  227.227663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.233198]  ? check_preemption_disabled+0x48/0x280
[  227.238220]  ? kasan_check_read+0x11/0x20
[  227.242363]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  227.247634]  ? rcu_softirq_qs+0x20/0x20
[  227.251605]  ? preempt_schedule+0x4d/0x60
[  227.255753]  ? ___preempt_schedule+0x16/0x18
[  227.260167]  ? bpf_test_run+0x25d/0x780
[  227.264152]  ? netlink_diag_dump+0x2a0/0x2a0
[  227.268561]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.274098]  ? bpf_test_init.isra.10+0x70/0x100
[  227.278768]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  227.283531]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  227.288373]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  227.293912]  ? fput+0x130/0x1a0
[  227.297190]  ? __bpf_prog_get+0x9b/0x290
[  227.301252]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  227.306091]  ? bpf_prog_test_run+0x130/0x1a0
[  227.310496]  ? __x64_sys_bpf+0x3d8/0x520
[  227.314553]  ? bpf_prog_get+0x20/0x20
[  227.318369]  ? do_syscall_64+0x1b9/0x820
[  227.322425]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  227.327789]  ? syscall_return_slowpath+0x5e0/0x5e0
[  227.332716]  ? trace_hardirqs_on_caller+0x310/0x310
[  227.337731]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  227.343358]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  227.350020]  ? __switch_to_asm+0x40/0x70
[  227.354076]  ? __switch_to_asm+0x34/0x70
[  227.358137]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.362979]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  227.368354] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  227.368434] aoe: skb alloc failure
[  227.375369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  227.375376] Call Trace:
[  227.378960] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  227.388247]  <IRQ>
[  227.390812] syz-executor2 cpuset=syz2 mems_allowed=0
[  227.401287]  dump_stack+0x244/0x39d
[  227.412132]  ? dump_stack_print_info.cold.1+0x20/0x20
[  227.417337]  warn_alloc.cold.116+0xb7/0x1bd
[  227.421664]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  227.426510]  ? lock_downgrade+0x900/0x900
[  227.430661]  ? trace_hardirqs_off+0xb8/0x310
[  227.435072]  ? trace_hardirqs_off+0xb8/0x310
[  227.439482]  __alloc_pages_slowpath+0x26e8/0x2e10
[  227.444345]  ? warn_alloc+0x120/0x120
[  227.448145]  ? warn_alloc+0x120/0x120
[  227.452204]  ? warn_alloc+0x120/0x120
[  227.456000]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  227.461186]  ? print_usage_bug+0xc0/0xc0
[  227.465249]  ? print_usage_bug+0xc0/0xc0
[  227.469319]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.474855]  ? should_fail+0x22d/0xd01
[  227.478740]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  227.483839]  ? __lock_acquire+0x62f/0x4c20
[  227.488076]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  227.493173]  ? __lock_acquire+0x62f/0x4c20
[  227.497399]  ? should_fail+0x22d/0xd01
[  227.501287]  ? trace_hardirqs_on+0x310/0x310
[  227.505698]  ? mark_held_locks+0x130/0x130
[  227.509933]  ? mark_held_locks+0x130/0x130
[  227.514167]  ? check_preemption_disabled+0x48/0x280
[  227.519187]  ? kasan_check_read+0x11/0x20
[  227.523329]  ? zap_class+0x640/0x640
[  227.527036]  ? print_usage_bug+0xc0/0xc0
[  227.531092]  ? rcu_softirq_qs+0x20/0x20
[  227.535068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.540601]  ? check_preemption_disabled+0x48/0x280
[  227.545637]  ? __lock_is_held+0xb5/0x140
[  227.549702]  __alloc_pages_nodemask+0xa80/0xde0
[  227.554374]  ? zap_class+0x640/0x640
[  227.558096]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  227.563128]  ? find_held_lock+0x36/0x1c0
[  227.567192]  ? ____cache_alloc_node+0x1c7/0x1e0
[  227.571856]  ? lock_downgrade+0x900/0x900
[  227.576006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.581546]  cache_grow_begin+0xa5/0x8c0
[  227.585605]  ? do_raw_spin_unlock+0xa7/0x330
[  227.590015]  fallback_alloc+0x204/0x2e0
[  227.593992]  ____cache_alloc_node+0x1c7/0x1e0
[  227.598489]  kmem_cache_alloc_node+0xe3/0x730
[  227.602986]  ? ipv6_get_ifaddr+0x42e/0x620
[  227.607227]  __alloc_skb+0x119/0x770
[  227.610939]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  227.616216]  ? netdev_alloc_frag+0x1f0/0x1f0
[  227.620622]  ? lock_downgrade+0x900/0x900
[  227.624771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.630310]  ? refcount_sub_and_test_checked+0x203/0x310
[  227.636344]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  227.641797]  ? addrconf_rs_timer+0x690/0x690
[  227.646210]  ndisc_alloc_skb+0x144/0x340
[  227.650277]  ndisc_send_rs+0x331/0x6e0
[  227.654162]  addrconf_rs_timer+0x314/0x690
[  227.658399]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.662637]  call_timer_fn+0x272/0x920
[  227.666520]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.670753]  ? process_timeout+0x40/0x40
[  227.674907]  ? mark_held_locks+0xc7/0x130
[  227.679066]  ? _raw_spin_unlock_irq+0x27/0x80
[  227.683558]  ? _raw_spin_unlock_irq+0x27/0x80
[  227.688044]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.692283]  ? lockdep_hardirqs_on+0x296/0x5b0
[  227.696861]  ? trace_hardirqs_on+0xbd/0x310
[  227.701186]  ? kasan_check_read+0x11/0x20
[  227.705333]  ? __run_timers+0x7da/0xc70
[  227.709304]  ? trace_hardirqs_off_caller+0x310/0x310
[  227.714408]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.718649]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  227.722876]  __run_timers+0x7e5/0xc70
[  227.726681]  ? timer_fixup_init+0x70/0x70
[  227.730826]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  227.735871]  ? zap_class+0x640/0x640
[  227.739591]  ? print_usage_bug+0xc0/0xc0
[  227.743650]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  227.748844]  ? find_held_lock+0x36/0x1c0
[  227.752907]  ? zap_class+0x640/0x640
[  227.756621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.762155]  ? check_preemption_disabled+0x48/0x280
[  227.767172]  ? __lock_is_held+0xb5/0x140
[  227.771227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.776764]  ? check_preemption_disabled+0x48/0x280
[  227.781777]  run_timer_softirq+0x52/0xb0
[  227.785832]  ? rcu_read_lock_sched_held+0x14f/0x180
[  227.790842]  __do_softirq+0x308/0xb7e
[  227.794644]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  227.799130]  ? lock_downgrade+0x900/0x900
[  227.803284]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  227.808479]  ? pvclock_read_flags+0x160/0x160
[  227.812976]  ? lapic_next_event+0x5a/0x90
[  227.817119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  227.822656]  ? kvm_clock_read+0x18/0x30
[  227.826622]  ? kvm_sched_clock_read+0x9/0x20
[  227.831027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.836991]  ? check_preemption_disabled+0x48/0x280
[  227.842021]  irq_exit+0x17f/0x1c0
[  227.845474]  smp_apic_timer_interrupt+0x1cb/0x760
[  227.850310]  ? smp_call_function_single_interrupt+0x159/0x650
[  227.856435]  ? smp_call_function_single_interrupt+0x650/0x650
[  227.862311]  ? interrupt_entry+0xb5/0xc0
[  227.866369]  ? trace_hardirqs_off_caller+0xbb/0x310
[  227.871381]  ? trace_hardirqs_off_caller+0xbb/0x310
[  227.876398]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.881236]  ? trace_hardirqs_on_caller+0x310/0x310
[  227.886256]  ? trace_hardirqs_on_caller+0x310/0x310
[  227.891282]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  227.896125]  apic_timer_interrupt+0xf/0x20
[  227.900347]  </IRQ>
[  227.902581] RIP: 0010:write_comp_data+0xd/0x70
[  227.907160] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  227.926055] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  227.933754] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  227.941019] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  227.948279] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  227.955542] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  227.962805] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  227.970080]  ? list_lru_count_one+0x36d/0x450
[  227.974595]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  227.979954]  list_lru_count_one+0x36d/0x450
[  227.984272]  ? list_lru_isolate_move+0x3c0/0x3c0
[  227.989021]  ? shmem_free_inode+0xd0/0xd0
[  227.993164]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  227.998709]  ? ubifs_shrink_count+0xc4/0x100
[  228.003121]  super_cache_count+0x1b9/0x2e0
[  228.007357]  do_shrink_slab+0x1b1/0xd30
[  228.011334]  ? lock_acquire+0x1ed/0x520
[  228.015306]  ? snapshot_refaults+0x290/0x290
[  228.019712]  ? lock_release+0xa00/0xa00
[  228.023683]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  228.028617]  ? down_read_trylock+0xda/0x140
[  228.032931]  ? shrink_slab+0x207/0x8c0
[  228.036811]  ? downgrade_write+0x270/0x270
[  228.041049]  shrink_slab+0x389/0x8c0
[  228.044757]  ? shrink_active_list+0x1f00/0x1f00
[  228.049427]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  228.055053]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  228.060162]  ? cgroup_procs_write_finish+0xf0/0xf0
[  228.065091]  ? find_held_lock+0x36/0x1c0
[  228.069166]  shrink_node+0x431/0x16b0
[  228.072965]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  228.078268]  ? shrink_node_memcg+0x18f0/0x18f0
[  228.082854]  ? kvm_clock_read+0x18/0x30
[  228.086825]  ? ktime_get+0x2c1/0x400
[  228.090535]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  228.095026]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  228.100558]  ? __cpuset_node_allowed+0x19b/0x660
[  228.105316]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  228.111023]  ? delayacct_end+0x5a/0x100
[  228.114998]  do_try_to_free_pages+0x3e7/0x1290
[  228.119573]  ? zap_class+0x640/0x640
[  228.123297]  ? shrink_node+0x16b0/0x16b0
[  228.127357]  ? __lock_is_held+0xb5/0x140
[  228.131428]  try_to_free_pages+0x4d0/0xb90
[  228.135846]  ? do_try_to_free_pages+0x1290/0x1290
[  228.140691]  ? lock_acquire+0x1ed/0x520
[  228.144664]  ? set_page_refcounted+0x280/0x280
[  228.149251]  ? lock_release+0xa00/0xa00
[  228.153227]  ? _raw_spin_unlock_irq+0x60/0x80
[  228.157718]  ? psi_memstall_enter+0x240/0x2b0
[  228.162209]  ? psi_memstall_tick+0x230/0x230
[  228.166627]  __alloc_pages_slowpath+0xa14/0x2e10
[  228.171403]  ? warn_alloc+0x120/0x120
[  228.175196]  ? mark_held_locks+0x130/0x130
[  228.179439]  ? find_get_entry+0xaae/0x1120
[  228.183681]  ? filemap_map_pages+0x1a20/0x1a20
[  228.188260]  ? zap_class+0x640/0x640
[  228.191974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.197508]  ? check_preemption_disabled+0x48/0x280
[  228.202519]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.208051]  ? should_fail+0x22d/0xd01
[  228.211940]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  228.217038]  ? zap_class+0x640/0x640
[  228.220767]  ? __lock_is_held+0xb5/0x140
[  228.224830]  ? mark_held_locks+0x130/0x130
[  228.229062]  ? lock_release+0xa00/0xa00
[  228.233032]  ? perf_trace_sched_process_exec+0x860/0x860
[  228.238484]  ? xa_load+0x2ba/0x460
[  228.242022]  ? lock_downgrade+0x900/0x900
[  228.246169]  ? __might_sleep+0x95/0x190
[  228.250148]  __alloc_pages_nodemask+0xa80/0xde0
[  228.254819]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  228.259834]  ? __page_cache_alloc+0x191/0x5c0
[  228.264323]  ? xa_load+0x2e1/0x460
[  228.267858]  ? xa_clear_mark+0x40/0x40
[  228.271748]  ? zap_class+0x640/0x640
[  228.275462]  ? zap_class+0x640/0x640
[  228.279181]  ? zap_class+0x640/0x640
[  228.282894]  ? __do_page_cache_readahead+0x663/0x810
[  228.287996]  ? find_held_lock+0x36/0x1c0
[  228.292055]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  228.297593]  alloc_pages_current+0x173/0x350
[  228.302001]  __page_cache_alloc+0x38c/0x5c0
[  228.306315]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  228.311239]  ? kasan_check_read+0x11/0x20
[  228.315380]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  228.320653]  ? generic_perform_write+0x6a0/0x6a0
[  228.325406]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.330941]  ? check_preemption_disabled+0x48/0x280
[  228.336130]  filemap_fault+0x1595/0x25f0
[  228.340199]  ? __lock_page_or_retry+0xa00/0xa00
[  228.344876]  ? mark_held_locks+0x130/0x130
[  228.349112]  ? filemap_map_pages+0xd6b/0x1a20
[  228.353602]  ? lock_downgrade+0x900/0x900
[  228.357745]  ? check_preemption_disabled+0x48/0x280
[  228.362759]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  228.367682]  ? kasan_check_read+0x11/0x20
[  228.371825]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  228.377095]  ? rcu_softirq_qs+0x20/0x20
[  228.381077]  ? filemap_map_pages+0xd92/0x1a20
[  228.385578]  ? find_get_entries_tag+0x1400/0x1400
[  228.390420]  ? debug_object_destroy+0x2b0/0x2b0
[  228.395084]  ? lock_pi_update_atomic+0x150/0x150
[  228.400011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  228.405554]  ? lock_acquire+0x1ed/0x520
[  228.409526]  ? ext4_filemap_fault+0x7a/0xad
[  228.413851]  ? lock_release+0xa00/0xa00
[  228.417817]  ? perf_trace_sched_process_exec+0x860/0x860
[  228.423263]  ? print_usage_bug+0xc0/0xc0
[  228.427317]  ? print_usage_bug+0xc0/0xc0
[  228.431384]  ? down_read+0x8d/0x120
[  228.435003]  ? ext4_filemap_fault+0x7a/0xad
[  228.439321]  ? __down_interruptible+0x700/0x700
[  228.443990]  ext4_filemap_fault+0x82/0xad
[  228.448135]  __do_fault+0x100/0x6b0
[  228.451771]  ? pmd_devmap_trans_unstable+0x220/0x220
[  228.456873]  ? mark_held_locks+0x130/0x130
[  228.461107]  ? mark_held_locks+0x130/0x130
[  228.465339]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  228.470613]  ? rcu_softirq_qs+0x20/0x20
[  228.474585]  ? kasan_check_write+0x14/0x20
[  228.478818]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.484355]  __handle_mm_fault+0x3ea0/0x5be0
[  228.488764]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  228.493606]  ? aa_path_link+0x5e0/0x5e0
[  228.497583]  ? ksys_dup3+0x680/0x680
[  228.501303]  ? zap_class+0x640/0x640
[  228.505007]  ? zap_class+0x640/0x640
[  228.508714]  ? __x64_sys_futex+0x53e/0x6a0
[  228.512945]  ? find_held_lock+0x36/0x1c0
[  228.517011]  ? handle_mm_fault+0x42a/0xc70
[  228.521240]  ? lock_downgrade+0x900/0x900
[  228.525383]  ? check_preemption_disabled+0x48/0x280
[  228.530397]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  228.535320]  ? kasan_check_read+0x11/0x20
[  228.539464]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  228.544736]  ? rcu_softirq_qs+0x20/0x20
[  228.548703]  ? trace_hardirqs_off_caller+0x310/0x310
[  228.553805]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  228.559340]  ? check_preemption_disabled+0x48/0x280
[  228.564357]  handle_mm_fault+0x54f/0xc70
[  228.568415]  ? __handle_mm_fault+0x5be0/0x5be0
[  228.573002]  ? find_vma+0x34/0x190
[  228.576547]  __do_page_fault+0x5e8/0xe60
[  228.580601]  ? trace_hardirqs_off+0xb8/0x310
[  228.585011]  do_page_fault+0xf2/0x7e0
[  228.588812]  ? vmalloc_sync_all+0x30/0x30
[  228.592953]  ? error_entry+0x70/0xd0
[  228.596662]  ? trace_hardirqs_off_caller+0xbb/0x310
[  228.601671]  ? trace_hardirqs_on_caller+0xc0/0x310
[  228.607128]  ? syscall_return_slowpath+0x5e0/0x5e0
[  228.612056]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  228.616898]  ? trace_hardirqs_on_caller+0x310/0x310
[  228.621911]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  228.627375]  ? prepare_exit_to_usermode+0x291/0x3b0
[  228.632620]  ? page_fault+0x8/0x30
[  228.636161]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  228.641003]  ? page_fault+0x8/0x30
[  228.644544]  page_fault+0x1e/0x30
[  228.647996] RIP: 0033:0x40f9c0
[  228.651204] Code: Bad RIP value.
[  228.654562] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  228.659915] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  228.667185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  228.674453] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  228.681714] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  228.688977] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  228.696259] warn_alloc_show_mem: 1 callbacks suppressed
[  228.696269] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  228.696270] Mem-Info:
[  228.696300] active_anon:51741 inactive_anon:192 isolated_anon:0
[  228.696300]  active_file:28 inactive_file:10 isolated_file:0
[  228.696300]  unevictable:0 dirty:0 writeback:0 unstable:0
[  228.696300]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  228.696300]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  228.696300]  free:13684 free_pcp:150 free_cma:0
[  228.701638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  228.708910] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  228.711301] Call Trace:
[  228.744158] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  228.753516]  <IRQ>
[  228.781072] lowmem_reserve[]: 0 2818 6321 6321
[  228.783661]  dump_stack+0x244/0x39d
[  228.810119] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  228.812286]  ? dump_stack_print_info.cold.1+0x20/0x20
[  228.816830] lowmem_reserve[]: 0 0 3503 3503
[  228.820458]  warn_alloc.cold.116+0xb7/0x1bd
[  228.848282] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  228.853465]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  228.857757] lowmem_reserve[]: 0 0 0 0
[  228.862075]  ? lock_downgrade+0x900/0x900
[  228.890928] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  228.895768]  ? trace_hardirqs_off+0xb8/0x310
[  228.899537] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  228.903675]  ? trace_hardirqs_off+0xb8/0x310
[  228.917170] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  228.921571]  __alloc_pages_slowpath+0x26e8/0x2e10
[  228.936801] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  228.941212]  ? warn_alloc+0x120/0x120
[  228.956435] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  228.961265]  ? warn_alloc+0x120/0x120
[  228.970071] 281 total pagecache pages
[  228.973858]  ? warn_alloc+0x120/0x120
[  228.982413] 0 pages in swap cache
[  228.986191]  ? print_usage_bug+0xc0/0xc0
[  228.989962] Swap cache stats: add 0, delete 0, find 0/0
[  228.993745]  ? print_usage_bug+0xc0/0xc0
[  228.997173] Free swap  = 0kB
[  229.001223]  ? ktime_get+0x2c1/0x400
[  229.006552] Total swap = 0kB
[  229.010606]  ? check_preemption_disabled+0x48/0x280
[  229.013589] 1965979 pages RAM
[  229.017280]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  229.017298]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.020285] 0 pages HighMem/MovableOnly
[  229.025286]  ? should_fail+0x22d/0xd01
[  229.028360] 342854 pages reserved
[  229.028367] 0 pages cma reserved
[  229.032851]  ? kasan_check_read+0x11/0x20
[  229.038432] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  229.042314]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.046230] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  229.049628]  ? __lock_acquire+0x62f/0x4c20
[  229.052964] syz-fuzzer cpuset=/ mems_allowed=0
[  229.057100]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.092706]  ? should_fail+0x22d/0xd01
[  229.096586]  ? print_usage_bug+0xc0/0xc0
[  229.100648]  ? mark_held_locks+0x130/0x130
[  229.104879]  ? mark_held_locks+0x130/0x130
[  229.109111]  ? check_preemption_disabled+0x48/0x280
[  229.114148]  ? zap_class+0x640/0x640
[  229.117864]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  229.122621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.128158]  ? check_preemption_disabled+0x48/0x280
[  229.133175]  ? __lock_is_held+0xb5/0x140
[  229.137240]  __alloc_pages_nodemask+0xa80/0xde0
[  229.141910]  ? zap_class+0x640/0x640
[  229.145621]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  229.150640]  ? find_held_lock+0x36/0x1c0
[  229.154707]  ? ____cache_alloc_node+0x1c7/0x1e0
[  229.159371]  ? lock_downgrade+0x900/0x900
[  229.163521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.169060]  cache_grow_begin+0xa5/0x8c0
[  229.173114]  ? do_raw_spin_unlock+0xa7/0x330
[  229.177529]  fallback_alloc+0x204/0x2e0
[  229.181503]  ____cache_alloc_node+0x1c7/0x1e0
[  229.185999]  kmem_cache_alloc_node+0xe3/0x730
[  229.190494]  ? lockdep_hardirqs_on+0x296/0x5b0
[  229.195078]  __alloc_skb+0x119/0x770
[  229.198785]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  229.204156]  ? netdev_alloc_frag+0x1f0/0x1f0
[  229.208566]  ? vprintk_default+0x28/0x30
[  229.212622]  ? vprintk_func+0x85/0x181
[  229.216504]  ? printk+0xa7/0xcf
[  229.219785]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  229.224544]  new_skb+0x26/0x1c0
[  229.227820]  aoecmd_cfg+0x279/0x7f0
[  229.231441]  ? find_held_lock+0x36/0x1c0
[  229.235496]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  229.239818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.245358]  ? __lock_is_held+0xb5/0x140
[  229.249422]  discover_timer+0x50/0x60
[  229.253217]  call_timer_fn+0x272/0x920
[  229.257098]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  229.261944]  ? process_timeout+0x40/0x40
[  229.266009]  ? __run_timers+0x7da/0xc70
[  229.269981]  ? _raw_spin_unlock_irq+0x27/0x80
[  229.274468]  ? _raw_spin_unlock_irq+0x27/0x80
[  229.278955]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  229.283797]  ? lockdep_hardirqs_on+0x296/0x5b0
[  229.288382]  ? trace_hardirqs_on+0xbd/0x310
[  229.292698]  ? kasan_check_read+0x11/0x20
[  229.296838]  ? __run_timers+0x7da/0xc70
[  229.300812]  ? trace_hardirqs_off_caller+0x310/0x310
[  229.305929]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  229.310762]  __run_timers+0x7e5/0xc70
[  229.314581]  ? timer_fixup_init+0x70/0x70
[  229.318727]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  229.323741]  ? zap_class+0x640/0x640
[  229.327451]  ? enqueue_hrtimer+0x1a5/0x560
[  229.331681]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  229.336878]  ? find_held_lock+0x36/0x1c0
[  229.340936]  ? zap_class+0x640/0x640
[  229.344652]  ? pvclock_read_flags+0x160/0x160
[  229.349149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.354681]  ? check_preemption_disabled+0x48/0x280
[  229.359703]  ? __lock_is_held+0xb5/0x140
[  229.363759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.369292]  ? check_preemption_disabled+0x48/0x280
[  229.374308]  run_timer_softirq+0x52/0xb0
[  229.378366]  ? rcu_read_lock_sched_held+0x14f/0x180
[  229.383379]  __do_softirq+0x308/0xb7e
[  229.387181]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  229.391670]  ? lock_downgrade+0x900/0x900
[  229.395815]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  229.400920]  ? pvclock_read_flags+0x160/0x160
[  229.405416]  ? lapic_next_event+0x5a/0x90
[  229.409559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.415096]  ? kvm_clock_read+0x18/0x30
[  229.419071]  ? kvm_sched_clock_read+0x9/0x20
[  229.423480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.429015]  ? check_preemption_disabled+0x48/0x280
[  229.434036]  irq_exit+0x17f/0x1c0
[  229.437486]  smp_apic_timer_interrupt+0x1cb/0x760
[  229.442324]  ? smp_reschedule_interrupt+0x109/0x650
[  229.447339]  ? smp_call_function_single_interrupt+0x650/0x650
[  229.453217]  ? interrupt_entry+0xb5/0xc0
[  229.457280]  ? trace_hardirqs_off_caller+0xbb/0x310
[  229.462295]  ? trace_hardirqs_off_caller+0xbb/0x310
[  229.467306]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.472145]  ? trace_hardirqs_on_caller+0x310/0x310
[  229.477166]  ? trace_hardirqs_on_caller+0x310/0x310
[  229.482188]  ? task_prio+0x50/0x50
[  229.485725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.491259]  ? check_preemption_disabled+0x48/0x280
[  229.496273]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.501122]  apic_timer_interrupt+0xf/0x20
[  229.505347]  </IRQ>
[  229.507581] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  229.512524] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  229.531421] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  229.539225] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  229.546487] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  229.553751] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  229.561017] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  229.568281] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  229.575578]  skb_clone+0x1bb/0x500
[  229.579128]  ? finish_task_switch+0x1b4/0x910
[  229.583623]  ? skb_split+0x11e0/0x11e0
[  229.587509]  ? preempt_notifier_register+0x200/0x200
[  229.592613]  ? __switch_to_asm+0x34/0x70
[  229.596691]  ? __switch_to_asm+0x34/0x70
[  229.600748]  ? __switch_to_asm+0x40/0x70
[  229.604805]  ? __switch_to_asm+0x34/0x70
[  229.608861]  ? __switch_to_asm+0x40/0x70
[  229.612922]  ? __switch_to_asm+0x34/0x70
[  229.616978]  ? __switch_to_asm+0x40/0x70
[  229.621032]  ? __switch_to_asm+0x34/0x70
[  229.625096]  ? __switch_to_asm+0x34/0x70
[  229.629160]  ? __switch_to_asm+0x40/0x70
[  229.633610]  ? __switch_to_asm+0x34/0x70
[  229.637679]  bpf_clone_redirect+0xb9/0x490
[  229.641911]  ? __schedule+0x8d7/0x21d0
[  229.645802]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  229.650813]  ? __sched_text_start+0x8/0x8
[  229.654967]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  229.659542]  ? retint_kernel+0x2d/0x2d
[  229.663430]  ? trace_hardirqs_on_caller+0xc0/0x310
[  229.668358]  ? find_held_lock+0x36/0x1c0
[  229.672421]  ? lock_acquire+0x1ed/0x520
[  229.676392]  ? bpf_test_run+0x3cb/0x780
[  229.680362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  229.685899]  ? check_preemption_disabled+0x48/0x280
[  229.690919]  ? kasan_check_read+0x11/0x20
[  229.695064]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  229.700342]  ? rcu_softirq_qs+0x20/0x20
[  229.704321]  ? preempt_schedule+0x4d/0x60
[  229.708464]  ? ___preempt_schedule+0x16/0x18
[  229.712875]  ? bpf_test_run+0x25d/0x780
[  229.716869]  ? netlink_diag_dump+0x2a0/0x2a0
[  229.721283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.726816]  ? bpf_test_init.isra.10+0x70/0x100
[  229.731517]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  229.736278]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  229.741119]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  229.746650]  ? fput+0x130/0x1a0
[  229.749925]  ? __bpf_prog_get+0x9b/0x290
[  229.753987]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  229.758822]  ? bpf_prog_test_run+0x130/0x1a0
[  229.763229]  ? __x64_sys_bpf+0x3d8/0x520
[  229.767283]  ? bpf_prog_get+0x20/0x20
[  229.771189]  ? do_syscall_64+0x1b9/0x820
[  229.775242]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  229.780605]  ? syscall_return_slowpath+0x5e0/0x5e0
[  229.785530]  ? trace_hardirqs_on_caller+0x310/0x310
[  229.790545]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  229.795557]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  229.802218]  ? __switch_to_asm+0x40/0x70
[  229.806275]  ? __switch_to_asm+0x34/0x70
[  229.810335]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  229.815178]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  229.820554] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  229.820648] aoe: skb alloc failure
[  229.827564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  229.827570] Call Trace:
[  229.827576]  <IRQ>
[  229.827594]  dump_stack+0x244/0x39d
[  229.827613]  ? dump_stack_print_info.cold.1+0x20/0x20
[  229.831155] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  229.840475]  warn_alloc.cold.116+0xb7/0x1bd
[  229.843024] syz-executor2 cpuset=syz2 mems_allowed=0
[  229.845164]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  229.878714]  ? lock_downgrade+0x900/0x900
[  229.882864]  ? trace_hardirqs_off+0xb8/0x310
[  229.887272]  ? trace_hardirqs_off+0xb8/0x310
[  229.891682]  __alloc_pages_slowpath+0x26e8/0x2e10
[  229.896542]  ? warn_alloc+0x120/0x120
[  229.900341]  ? print_usage_bug+0xc0/0xc0
[  229.904401]  ? warn_alloc+0x120/0x120
[  229.908203]  ? warn_alloc+0x120/0x120
[  229.912003]  ? print_usage_bug+0xc0/0xc0
[  229.916072]  ? print_usage_bug+0xc0/0xc0
[  229.920128]  ? __lock_acquire+0x62f/0x4c20
[  229.924363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  229.929895]  ? should_fail+0x22d/0xd01
[  229.933785]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.938884]  ? __lock_acquire+0x62f/0x4c20
[  229.943120]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  229.948216]  ? __lock_acquire+0x62f/0x4c20
[  229.952443]  ? should_fail+0x22d/0xd01
[  229.956331]  ? find_held_lock+0x36/0x1c0
[  229.960393]  ? mark_held_locks+0x130/0x130
[  229.964716]  ? mark_held_locks+0x130/0x130
[  229.968942]  ? zap_class+0x640/0x640
[  229.972651]  ? zap_class+0x640/0x640
[  229.976365]  ? print_usage_bug+0xc0/0xc0
[  229.980427]  ? do_raw_spin_unlock+0xa7/0x330
[  229.984854]  ? zap_class+0x640/0x640
[  229.988574]  ? print_usage_bug+0xc0/0xc0
[  229.992630]  ? wq_watchdog_touch+0x9c/0xfe
[  229.996862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.002395]  ? check_preemption_disabled+0x48/0x280
[  230.007419]  ? __lock_is_held+0xb5/0x140
[  230.011480]  __alloc_pages_nodemask+0xa80/0xde0
[  230.016148]  ? zap_class+0x640/0x640
[  230.019863]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  230.025097]  ? find_held_lock+0x36/0x1c0
[  230.029163]  ? ____cache_alloc_node+0x1c7/0x1e0
[  230.033832]  ? lock_downgrade+0x900/0x900
[  230.037980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.043515]  cache_grow_begin+0xa5/0x8c0
[  230.047568]  ? do_raw_spin_unlock+0xa7/0x330
[  230.051980]  fallback_alloc+0x204/0x2e0
[  230.055954]  ____cache_alloc_node+0x1c7/0x1e0
[  230.060449]  kmem_cache_alloc_node+0xe3/0x730
[  230.064940]  ? ipv6_get_ifaddr+0x42e/0x620
[  230.069179]  __alloc_skb+0x119/0x770
[  230.072889]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  230.078164]  ? netdev_alloc_frag+0x1f0/0x1f0
[  230.082567]  ? lock_downgrade+0x900/0x900
[  230.086722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.092265]  ? refcount_sub_and_test_checked+0x203/0x310
[  230.097716]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  230.103165]  ? addrconf_rs_timer+0x690/0x690
[  230.107579]  ndisc_alloc_skb+0x144/0x340
[  230.111644]  ndisc_send_rs+0x331/0x6e0
[  230.115530]  addrconf_rs_timer+0x314/0x690
[  230.119764]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.124004]  call_timer_fn+0x272/0x920
[  230.127890]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.132120]  ? process_timeout+0x40/0x40
[  230.136185]  ? mark_held_locks+0xc7/0x130
[  230.140332]  ? _raw_spin_unlock_irq+0x27/0x80
[  230.144820]  ? _raw_spin_unlock_irq+0x27/0x80
[  230.149314]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.153550]  ? lockdep_hardirqs_on+0x296/0x5b0
[  230.158143]  ? trace_hardirqs_on+0xbd/0x310
[  230.162465]  ? kasan_check_read+0x11/0x20
[  230.166610]  ? __run_timers+0x7da/0xc70
[  230.170580]  ? trace_hardirqs_off_caller+0x310/0x310
[  230.175682]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.179916]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  230.184152]  __run_timers+0x7e5/0xc70
[  230.187962]  ? timer_fixup_init+0x70/0x70
[  230.192107]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  230.197121]  ? zap_class+0x640/0x640
[  230.200836]  ? print_usage_bug+0xc0/0xc0
[  230.204893]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  230.210087]  ? find_held_lock+0x36/0x1c0
[  230.214151]  ? zap_class+0x640/0x640
[  230.217869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.223411]  ? check_preemption_disabled+0x48/0x280
[  230.228437]  ? __lock_is_held+0xb5/0x140
[  230.232500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.238047]  ? check_preemption_disabled+0x48/0x280
[  230.243083]  run_timer_softirq+0x52/0xb0
[  230.247142]  ? rcu_read_lock_sched_held+0x14f/0x180
[  230.252154]  __do_softirq+0x308/0xb7e
[  230.255957]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  230.260450]  ? lock_downgrade+0x900/0x900
[  230.264600]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  230.269705]  ? pvclock_read_flags+0x160/0x160
[  230.274197]  ? lapic_next_event+0x5a/0x90
[  230.278344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.283880]  ? kvm_clock_read+0x18/0x30
[  230.287849]  ? kvm_sched_clock_read+0x9/0x20
[  230.292253]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.297905]  ? check_preemption_disabled+0x48/0x280
[  230.302929]  irq_exit+0x17f/0x1c0
[  230.306383]  smp_apic_timer_interrupt+0x1cb/0x760
[  230.311220]  ? smp_call_function_single_interrupt+0x159/0x650
[  230.317105]  ? smp_call_function_single_interrupt+0x650/0x650
[  230.322987]  ? interrupt_entry+0xb5/0xc0
[  230.327056]  ? trace_hardirqs_off_caller+0xbb/0x310
[  230.332065]  ? trace_hardirqs_off_caller+0xbb/0x310
[  230.337078]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  230.341918]  ? trace_hardirqs_on_caller+0x310/0x310
[  230.346928]  ? trace_hardirqs_on_caller+0x310/0x310
[  230.351950]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  230.356798]  apic_timer_interrupt+0xf/0x20
[  230.361030]  </IRQ>
[  230.363268] RIP: 0010:write_comp_data+0xd/0x70
[  230.367856] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  230.386755] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  230.394465] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  230.401730] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  230.408993] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  230.416261] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  230.423528] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  230.430819]  ? list_lru_count_one+0x36d/0x450
[  230.435321]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  230.440765]  list_lru_count_one+0x36d/0x450
[  230.445089]  ? list_lru_isolate_move+0x3c0/0x3c0
[  230.449837]  ? shmem_free_inode+0xd0/0xd0
[  230.453982]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.459523]  ? ubifs_shrink_count+0xc4/0x100
[  230.463932]  super_cache_count+0x1b9/0x2e0
[  230.468164]  do_shrink_slab+0x1b1/0xd30
[  230.472143]  ? lock_acquire+0x1ed/0x520
[  230.476121]  ? snapshot_refaults+0x290/0x290
[  230.480526]  ? lock_release+0xa00/0xa00
[  230.485111]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  230.490047]  ? down_read_trylock+0xda/0x140
[  230.494366]  ? shrink_slab+0x207/0x8c0
[  230.498248]  ? downgrade_write+0x270/0x270
[  230.502488]  shrink_slab+0x389/0x8c0
[  230.506208]  ? shrink_active_list+0x1f00/0x1f00
[  230.510877]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  230.516506]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  230.521617]  ? cgroup_procs_write_finish+0xf0/0xf0
[  230.526549]  ? find_held_lock+0x36/0x1c0
[  230.530611]  shrink_node+0x431/0x16b0
[  230.534414]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  230.539710]  ? shrink_node_memcg+0x18f0/0x18f0
[  230.544295]  ? kvm_clock_read+0x18/0x30
[  230.548286]  ? ktime_get+0x2c1/0x400
[  230.551998]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  230.556499]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  230.562039]  ? __cpuset_node_allowed+0x19b/0x660
[  230.566796]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  230.572505]  ? delayacct_end+0x5a/0x100
[  230.576488]  do_try_to_free_pages+0x3e7/0x1290
[  230.581065]  ? zap_class+0x640/0x640
[  230.584787]  ? shrink_node+0x16b0/0x16b0
[  230.588849]  ? __lock_is_held+0xb5/0x140
[  230.592919]  try_to_free_pages+0x4d0/0xb90
[  230.597156]  ? do_try_to_free_pages+0x1290/0x1290
[  230.602013]  ? lock_acquire+0x1ed/0x520
[  230.605983]  ? set_page_refcounted+0x280/0x280
[  230.610573]  ? lock_release+0xa00/0xa00
[  230.614547]  ? _raw_spin_unlock_irq+0x60/0x80
[  230.619038]  ? psi_memstall_enter+0x240/0x2b0
[  230.623540]  ? psi_memstall_tick+0x230/0x230
[  230.627956]  __alloc_pages_slowpath+0xa14/0x2e10
[  230.632987]  ? warn_alloc+0x120/0x120
[  230.636792]  ? mark_held_locks+0x130/0x130
[  230.641033]  ? find_get_entry+0xaae/0x1120
[  230.645276]  ? filemap_map_pages+0x1a20/0x1a20
[  230.649861]  ? zap_class+0x640/0x640
[  230.653581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.659119]  ? check_preemption_disabled+0x48/0x280
[  230.664156]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.669706]  ? should_fail+0x22d/0xd01
[  230.673617]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  230.678722]  ? zap_class+0x640/0x640
[  230.682458]  ? __lock_is_held+0xb5/0x140
[  230.686522]  ? mark_held_locks+0x130/0x130
[  230.690754]  ? lock_release+0xa00/0xa00
[  230.694725]  ? perf_trace_sched_process_exec+0x860/0x860
[  230.700170]  ? xa_load+0x2ba/0x460
[  230.703707]  ? lock_downgrade+0x900/0x900
[  230.707854]  ? __might_sleep+0x95/0x190
[  230.711828]  __alloc_pages_nodemask+0xa80/0xde0
[  230.716500]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  230.721513]  ? __page_cache_alloc+0x191/0x5c0
[  230.726013]  ? xa_load+0x2e1/0x460
[  230.729553]  ? xa_clear_mark+0x40/0x40
[  230.733439]  ? zap_class+0x640/0x640
[  230.737155]  ? zap_class+0x640/0x640
[  230.740863]  ? zap_class+0x640/0x640
[  230.744576]  ? __do_page_cache_readahead+0x663/0x810
[  230.749677]  ? find_held_lock+0x36/0x1c0
[  230.753741]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  230.759279]  alloc_pages_current+0x173/0x350
[  230.763691]  __page_cache_alloc+0x38c/0x5c0
[  230.768094]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  230.773019]  ? kasan_check_read+0x11/0x20
[  230.777169]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  230.782442]  ? generic_perform_write+0x6a0/0x6a0
[  230.787195]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.792733]  ? check_preemption_disabled+0x48/0x280
[  230.797753]  filemap_fault+0x1595/0x25f0
[  230.802119]  ? __lock_page_or_retry+0xa00/0xa00
[  230.806791]  ? mark_held_locks+0x130/0x130
[  230.811028]  ? filemap_map_pages+0xd6b/0x1a20
[  230.815519]  ? lock_downgrade+0x900/0x900
[  230.819662]  ? check_preemption_disabled+0x48/0x280
[  230.824674]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  230.829598]  ? kasan_check_read+0x11/0x20
[  230.833740]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  230.839009]  ? rcu_softirq_qs+0x20/0x20
[  230.842995]  ? filemap_map_pages+0xd92/0x1a20
[  230.847503]  ? find_get_entries_tag+0x1400/0x1400
[  230.852345]  ? debug_object_destroy+0x2b0/0x2b0
[  230.857013]  ? lock_pi_update_atomic+0x150/0x150
[  230.861775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  230.867322]  ? lock_acquire+0x1ed/0x520
[  230.871296]  ? ext4_filemap_fault+0x7a/0xad
[  230.875618]  ? lock_release+0xa00/0xa00
[  230.879586]  ? perf_trace_sched_process_exec+0x860/0x860
[  230.885032]  ? print_usage_bug+0xc0/0xc0
[  230.889091]  ? print_usage_bug+0xc0/0xc0
[  230.893156]  ? down_read+0x8d/0x120
[  230.896778]  ? ext4_filemap_fault+0x7a/0xad
[  230.901094]  ? __down_interruptible+0x700/0x700
[  230.905769]  ext4_filemap_fault+0x82/0xad
[  230.909915]  __do_fault+0x100/0x6b0
[  230.913541]  ? pmd_devmap_trans_unstable+0x220/0x220
[  230.918642]  ? mark_held_locks+0x130/0x130
[  230.922877]  ? mark_held_locks+0x130/0x130
[  230.927107]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  230.932380]  ? rcu_softirq_qs+0x20/0x20
[  230.936354]  ? kasan_check_write+0x14/0x20
[  230.940584]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  230.946123]  __handle_mm_fault+0x3ea0/0x5be0
[  230.950538]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  230.955380]  ? aa_path_link+0x5e0/0x5e0
[  230.959353]  ? ksys_dup3+0x680/0x680
[  230.963077]  ? zap_class+0x640/0x640
[  230.966784]  ? zap_class+0x640/0x640
[  230.970494]  ? __x64_sys_futex+0x53e/0x6a0
[  230.974729]  ? find_held_lock+0x36/0x1c0
[  230.978799]  ? handle_mm_fault+0x42a/0xc70
[  230.983040]  ? lock_downgrade+0x900/0x900
[  230.987187]  ? check_preemption_disabled+0x48/0x280
[  230.992199]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  230.997133]  ? kasan_check_read+0x11/0x20
[  231.001275]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  231.006546]  ? rcu_softirq_qs+0x20/0x20
[  231.010518]  ? trace_hardirqs_off_caller+0x310/0x310
[  231.015616]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.021414]  ? check_preemption_disabled+0x48/0x280
[  231.026433]  handle_mm_fault+0x54f/0xc70
[  231.030520]  ? __handle_mm_fault+0x5be0/0x5be0
[  231.035106]  ? find_vma+0x34/0x190
[  231.038650]  __do_page_fault+0x5e8/0xe60
[  231.042705]  ? trace_hardirqs_off+0xb8/0x310
[  231.047118]  do_page_fault+0xf2/0x7e0
[  231.050918]  ? vmalloc_sync_all+0x30/0x30
[  231.055076]  ? error_entry+0x70/0xd0
[  231.058785]  ? trace_hardirqs_off_caller+0xbb/0x310
[  231.063796]  ? trace_hardirqs_on_caller+0xc0/0x310
[  231.068722]  ? syscall_return_slowpath+0x5e0/0x5e0
[  231.073647]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.078492]  ? trace_hardirqs_on_caller+0x310/0x310
[  231.083507]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  231.088987]  ? prepare_exit_to_usermode+0x291/0x3b0
[  231.094013]  ? page_fault+0x8/0x30
[  231.097554]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.102397]  ? page_fault+0x8/0x30
[  231.105932]  page_fault+0x1e/0x30
[  231.109389] RIP: 0033:0x40f9c0
[  231.112599] Code: Bad RIP value.
[  231.115961] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  231.121322] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  231.128587] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  231.135849] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  231.143113] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  231.150377] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  231.157665] warn_alloc_show_mem: 1 callbacks suppressed
[  231.157674] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  231.157676] Mem-Info:
[  231.157707] active_anon:51741 inactive_anon:192 isolated_anon:0
[  231.157707]  active_file:28 inactive_file:10 isolated_file:0
[  231.157707]  unevictable:0 dirty:0 writeback:0 unstable:0
[  231.157707]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  231.157707]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  231.157707]  free:13684 free_pcp:150 free_cma:0
[  231.163049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  231.170322] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  231.172712] Call Trace:
[  231.205571] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  231.214915]  <IRQ>
[  231.242481] lowmem_reserve[]: 0 2818 6321 6321
[  231.245066]  dump_stack+0x244/0x39d
[  231.271151] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  231.273298]  ? dump_stack_print_info.cold.1+0x20/0x20
[  231.277845] lowmem_reserve[]: 0 0 3503 3503
[  231.281473]  warn_alloc.cold.116+0xb7/0x1bd
[  231.309023] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  231.314215]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  231.318510] lowmem_reserve[]: 0 0 0 0
[  231.322823]  ? lock_downgrade+0x900/0x900
[  231.351681] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  231.356531]  ? trace_hardirqs_off+0xb8/0x310
[  231.360293] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  231.364436]  ? trace_hardirqs_off+0xb8/0x310
[  231.377941] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  231.382359]  __alloc_pages_slowpath+0x26e8/0x2e10
[  231.397613] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  231.402031]  ? warn_alloc+0x120/0x120
[  231.417246] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  231.422075]  ? warn_alloc+0x120/0x120
[  231.430878] 281 total pagecache pages
[  231.434676]  ? __lock_acquire+0x62f/0x4c20
[  231.443227] 0 pages in swap cache
[  231.447011]  ? warn_alloc+0x120/0x120
[  231.450785] Swap cache stats: add 0, delete 0, find 0/0
[  231.455005]  ? print_usage_bug+0xc0/0xc0
[  231.458433] Free swap  = 0kB
[  231.462220]  ? print_usage_bug+0xc0/0xc0
[  231.467553] Total swap = 0kB
[  231.471603]  ? mark_held_locks+0x130/0x130
[  231.474592] 1965979 pages RAM
[  231.478646]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  231.481631] 0 pages HighMem/MovableOnly
[  231.486374]  ? should_fail+0x22d/0xd01
[  231.489448] 342854 pages reserved
[  231.494969]  ? zap_class+0x640/0x640
[  231.498925] 0 pages cma reserved
[  231.502814]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.506318] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  231.509949]  ? __lock_acquire+0x62f/0x4c20
[  231.509966]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  231.509981]  ? should_fail+0x22d/0xd01
[  231.513391] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  231.518434]  ? mark_held_locks+0x130/0x130
[  231.524888] syz-fuzzer cpuset=/ mems_allowed=0
[  231.529111]  ? mark_held_locks+0x130/0x130
[  231.561278]  ? lock_downgrade+0x900/0x900
[  231.565427]  ? zap_class+0x640/0x640
[  231.569135]  ? zap_class+0x640/0x640
[  231.572852]  ? zap_class+0x640/0x640
[  231.576560]  ? do_raw_spin_unlock+0xa7/0x330
[  231.580970]  ? trace_hardirqs_on+0x310/0x310
[  231.585381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.590923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.596472]  ? check_preemption_disabled+0x48/0x280
[  231.601495]  ? __lock_is_held+0xb5/0x140
[  231.605562]  __alloc_pages_nodemask+0xa80/0xde0
[  231.610319]  ? zap_class+0x640/0x640
[  231.614033]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  231.619055]  ? find_held_lock+0x36/0x1c0
[  231.623121]  ? ____cache_alloc_node+0x1c7/0x1e0
[  231.627790]  ? lock_downgrade+0x900/0x900
[  231.632301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.637845]  cache_grow_begin+0xa5/0x8c0
[  231.641910]  ? do_raw_spin_unlock+0xa7/0x330
[  231.646320]  fallback_alloc+0x204/0x2e0
[  231.650294]  ____cache_alloc_node+0x1c7/0x1e0
[  231.654789]  kmem_cache_alloc_node+0xe3/0x730
[  231.659627]  ? lockdep_hardirqs_on+0x296/0x5b0
[  231.664217]  __alloc_skb+0x119/0x770
[  231.667931]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  231.673296]  ? netdev_alloc_frag+0x1f0/0x1f0
[  231.677703]  ? vprintk_default+0x28/0x30
[  231.681757]  ? vprintk_func+0x85/0x181
[  231.685645]  ? printk+0xa7/0xcf
[  231.688929]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  231.693692]  new_skb+0x26/0x1c0
[  231.696970]  aoecmd_cfg+0x279/0x7f0
[  231.700599]  ? find_held_lock+0x36/0x1c0
[  231.704672]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  231.709005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.714551]  ? __lock_is_held+0xb5/0x140
[  231.718615]  discover_timer+0x50/0x60
[  231.722410]  call_timer_fn+0x272/0x920
[  231.726293]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  231.731135]  ? process_timeout+0x40/0x40
[  231.735203]  ? __run_timers+0x7da/0xc70
[  231.739175]  ? _raw_spin_unlock_irq+0x27/0x80
[  231.743667]  ? _raw_spin_unlock_irq+0x27/0x80
[  231.748160]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  231.753001]  ? lockdep_hardirqs_on+0x296/0x5b0
[  231.757583]  ? trace_hardirqs_on+0xbd/0x310
[  231.761930]  ? kasan_check_read+0x11/0x20
[  231.766079]  ? __run_timers+0x7da/0xc70
[  231.770053]  ? trace_hardirqs_off_caller+0x310/0x310
[  231.775163]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  231.780006]  __run_timers+0x7e5/0xc70
[  231.783815]  ? timer_fixup_init+0x70/0x70
[  231.787961]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  231.792991]  ? zap_class+0x640/0x640
[  231.796708]  ? enqueue_hrtimer+0x1a5/0x560
[  231.800944]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  231.806139]  ? find_held_lock+0x36/0x1c0
[  231.810207]  ? zap_class+0x640/0x640
[  231.813929]  ? pvclock_read_flags+0x160/0x160
[  231.818421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.823959]  ? check_preemption_disabled+0x48/0x280
[  231.828980]  ? __lock_is_held+0xb5/0x140
[  231.833040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.838584]  ? check_preemption_disabled+0x48/0x280
[  231.843604]  run_timer_softirq+0x52/0xb0
[  231.847679]  ? rcu_read_lock_sched_held+0x14f/0x180
[  231.852696]  __do_softirq+0x308/0xb7e
[  231.856500]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  231.860995]  ? lock_downgrade+0x900/0x900
[  231.865144]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  231.870251]  ? pvclock_read_flags+0x160/0x160
[  231.874747]  ? lapic_next_event+0x5a/0x90
[  231.878905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.884706]  ? kvm_clock_read+0x18/0x30
[  231.888680]  ? kvm_sched_clock_read+0x9/0x20
[  231.893088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.898624]  ? check_preemption_disabled+0x48/0x280
[  231.903653]  irq_exit+0x17f/0x1c0
[  231.907107]  smp_apic_timer_interrupt+0x1cb/0x760
[  231.911947]  ? smp_reschedule_interrupt+0x109/0x650
[  231.916962]  ? smp_call_function_single_interrupt+0x650/0x650
[  231.922839]  ? interrupt_entry+0xb5/0xc0
[  231.926915]  ? trace_hardirqs_off_caller+0xbb/0x310
[  231.931941]  ? trace_hardirqs_off_caller+0xbb/0x310
[  231.936960]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.941797]  ? trace_hardirqs_on_caller+0x310/0x310
[  231.946806]  ? trace_hardirqs_on_caller+0x310/0x310
[  231.951817]  ? task_prio+0x50/0x50
[  231.955353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  231.960893]  ? check_preemption_disabled+0x48/0x280
[  231.965910]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  231.970756]  apic_timer_interrupt+0xf/0x20
[  231.974979]  </IRQ>
[  231.977213] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  231.982141] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  232.001039] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  232.008748] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  232.016038] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  232.023304] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  232.030569] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  232.037831] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  232.045130]  skb_clone+0x1bb/0x500
[  232.048666]  ? finish_task_switch+0x1b4/0x910
[  232.053156]  ? skb_split+0x11e0/0x11e0
[  232.057044]  ? preempt_notifier_register+0x200/0x200
[  232.062138]  ? __switch_to_asm+0x34/0x70
[  232.066194]  ? __switch_to_asm+0x34/0x70
[  232.070248]  ? __switch_to_asm+0x40/0x70
[  232.074305]  ? __switch_to_asm+0x34/0x70
[  232.078360]  ? __switch_to_asm+0x40/0x70
[  232.082416]  ? __switch_to_asm+0x34/0x70
[  232.086467]  ? __switch_to_asm+0x40/0x70
[  232.090523]  ? __switch_to_asm+0x34/0x70
[  232.094576]  ? __switch_to_asm+0x34/0x70
[  232.098634]  ? __switch_to_asm+0x40/0x70
[  232.102686]  ? __switch_to_asm+0x34/0x70
[  232.106748]  bpf_clone_redirect+0xb9/0x490
[  232.110983]  ? __schedule+0x8d7/0x21d0
[  232.114879]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  232.119896]  ? __sched_text_start+0x8/0x8
[  232.124046]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  232.128623]  ? retint_kernel+0x2d/0x2d
[  232.132507]  ? trace_hardirqs_on_caller+0xc0/0x310
[  232.137436]  ? find_held_lock+0x36/0x1c0
[  232.141498]  ? lock_acquire+0x1ed/0x520
[  232.145469]  ? bpf_test_run+0x3cb/0x780
[  232.149447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.154982]  ? check_preemption_disabled+0x48/0x280
[  232.159999]  ? kasan_check_read+0x11/0x20
[  232.164145]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  232.169416]  ? rcu_softirq_qs+0x20/0x20
[  232.173387]  ? preempt_schedule+0x4d/0x60
[  232.177651]  ? ___preempt_schedule+0x16/0x18
[  232.182060]  ? bpf_test_run+0x25d/0x780
[  232.186041]  ? netlink_diag_dump+0x2a0/0x2a0
[  232.190445]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.195976]  ? bpf_test_init.isra.10+0x70/0x100
[  232.200644]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  232.205407]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  232.210243]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  232.215774]  ? fput+0x130/0x1a0
[  232.219053]  ? __bpf_prog_get+0x9b/0x290
[  232.223114]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  232.227953]  ? bpf_prog_test_run+0x130/0x1a0
[  232.232447]  ? __x64_sys_bpf+0x3d8/0x520
[  232.236505]  ? bpf_prog_get+0x20/0x20
[  232.240322]  ? do_syscall_64+0x1b9/0x820
[  232.244377]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  232.249737]  ? syscall_return_slowpath+0x5e0/0x5e0
[  232.254669]  ? trace_hardirqs_on_caller+0x310/0x310
[  232.259692]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  232.264703]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  232.271363]  ? __switch_to_asm+0x40/0x70
[  232.275421]  ? __switch_to_asm+0x34/0x70
[  232.279488]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.284340]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  232.289719] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  232.289796] aoe: skb alloc failure
[  232.296822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  232.296829] Call Trace:
[  232.300546] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  232.309695]  <IRQ>
[  232.309715]  dump_stack+0x244/0x39d
[  232.309733]  ? dump_stack_print_info.cold.1+0x20/0x20
[  232.312469] syz-executor2 cpuset=syz2 mems_allowed=0
[  232.322959]  warn_alloc.cold.116+0xb7/0x1bd
[  232.343301]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  232.348142]  ? lock_downgrade+0x900/0x900
[  232.352293]  ? trace_hardirqs_off+0xb8/0x310
[  232.356703]  ? trace_hardirqs_off+0xb8/0x310
[  232.361117]  __alloc_pages_slowpath+0x26e8/0x2e10
[  232.365976]  ? warn_alloc+0x120/0x120
[  232.369773]  ? print_usage_bug+0xc0/0xc0
[  232.373833]  ? warn_alloc+0x120/0x120
[  232.377638]  ? warn_alloc+0x120/0x120
[  232.381438]  ? print_usage_bug+0xc0/0xc0
[  232.385502]  ? print_usage_bug+0xc0/0xc0
[  232.389559]  ? __lock_acquire+0x62f/0x4c20
[  232.393794]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.399324]  ? should_fail+0x22d/0xd01
[  232.403213]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.408309]  ? __lock_acquire+0x62f/0x4c20
[  232.412542]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  232.417638]  ? __lock_acquire+0x62f/0x4c20
[  232.421865]  ? should_fail+0x22d/0xd01
[  232.425746]  ? find_held_lock+0x36/0x1c0
[  232.429808]  ? mark_held_locks+0x130/0x130
[  232.434054]  ? mark_held_locks+0x130/0x130
[  232.438372]  ? zap_class+0x640/0x640
[  232.442083]  ? zap_class+0x640/0x640
[  232.445803]  ? print_usage_bug+0xc0/0xc0
[  232.449866]  ? do_raw_spin_unlock+0xa7/0x330
[  232.454273]  ? zap_class+0x640/0x640
[  232.457998]  ? print_usage_bug+0xc0/0xc0
[  232.462051]  ? wq_watchdog_touch+0x9c/0xfe
[  232.466283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.471818]  ? check_preemption_disabled+0x48/0x280
[  232.476851]  ? __lock_is_held+0xb5/0x140
[  232.480912]  __alloc_pages_nodemask+0xa80/0xde0
[  232.485577]  ? zap_class+0x640/0x640
[  232.489293]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  232.494315]  ? find_held_lock+0x36/0x1c0
[  232.498377]  ? ____cache_alloc_node+0x1c7/0x1e0
[  232.503040]  ? lock_downgrade+0x900/0x900
[  232.507194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.512731]  cache_grow_begin+0xa5/0x8c0
[  232.516789]  ? do_raw_spin_unlock+0xa7/0x330
[  232.521197]  fallback_alloc+0x204/0x2e0
[  232.525176]  ____cache_alloc_node+0x1c7/0x1e0
[  232.529669]  kmem_cache_alloc_node+0xe3/0x730
[  232.534165]  ? ipv6_get_ifaddr+0x42e/0x620
[  232.538408]  __alloc_skb+0x119/0x770
[  232.542119]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  232.547394]  ? netdev_alloc_frag+0x1f0/0x1f0
[  232.551797]  ? lock_downgrade+0x900/0x900
[  232.555954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.561585]  ? refcount_sub_and_test_checked+0x203/0x310
[  232.567038]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  232.572484]  ? addrconf_rs_timer+0x690/0x690
[  232.576902]  ndisc_alloc_skb+0x144/0x340
[  232.580965]  ndisc_send_rs+0x331/0x6e0
[  232.584859]  addrconf_rs_timer+0x314/0x690
[  232.589097]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.593333]  call_timer_fn+0x272/0x920
[  232.597217]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.601444]  ? process_timeout+0x40/0x40
[  232.605509]  ? mark_held_locks+0xc7/0x130
[  232.609655]  ? _raw_spin_unlock_irq+0x27/0x80
[  232.614141]  ? _raw_spin_unlock_irq+0x27/0x80
[  232.618638]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.622871]  ? lockdep_hardirqs_on+0x296/0x5b0
[  232.627448]  ? trace_hardirqs_on+0xbd/0x310
[  232.631767]  ? kasan_check_read+0x11/0x20
[  232.635907]  ? __run_timers+0x7da/0xc70
[  232.639879]  ? trace_hardirqs_off_caller+0x310/0x310
[  232.644992]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.649235]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  232.653473]  __run_timers+0x7e5/0xc70
[  232.657276]  ? timer_fixup_init+0x70/0x70
[  232.661426]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  232.666441]  ? zap_class+0x640/0x640
[  232.670152]  ? print_usage_bug+0xc0/0xc0
[  232.674211]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  232.679404]  ? find_held_lock+0x36/0x1c0
[  232.683467]  ? zap_class+0x640/0x640
[  232.687182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.692716]  ? check_preemption_disabled+0x48/0x280
[  232.697738]  ? __lock_is_held+0xb5/0x140
[  232.701798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.707425]  ? check_preemption_disabled+0x48/0x280
[  232.712439]  run_timer_softirq+0x52/0xb0
[  232.716671]  ? rcu_read_lock_sched_held+0x14f/0x180
[  232.721684]  __do_softirq+0x308/0xb7e
[  232.725484]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  232.729974]  ? lock_downgrade+0x900/0x900
[  232.734121]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  232.739223]  ? pvclock_read_flags+0x160/0x160
[  232.743714]  ? lapic_next_event+0x5a/0x90
[  232.747858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  232.753396]  ? kvm_clock_read+0x18/0x30
[  232.757368]  ? kvm_sched_clock_read+0x9/0x20
[  232.761774]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.767317]  ? check_preemption_disabled+0x48/0x280
[  232.772337]  irq_exit+0x17f/0x1c0
[  232.775788]  smp_apic_timer_interrupt+0x1cb/0x760
[  232.780633]  ? smp_call_function_single_interrupt+0x159/0x650
[  232.786600]  ? smp_call_function_single_interrupt+0x650/0x650
[  232.792482]  ? interrupt_entry+0xb5/0xc0
[  232.796541]  ? trace_hardirqs_off_caller+0xbb/0x310
[  232.801940]  ? trace_hardirqs_off_caller+0xbb/0x310
[  232.806957]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.811803]  ? trace_hardirqs_on_caller+0x310/0x310
[  232.816816]  ? trace_hardirqs_on_caller+0x310/0x310
[  232.821840]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  232.826687]  apic_timer_interrupt+0xf/0x20
[  232.830911]  </IRQ>
[  232.833148] RIP: 0010:write_comp_data+0xd/0x70
[  232.837732] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  232.856629] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  232.864333] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  232.871595] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  232.878861] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  232.886124] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  232.893387] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  232.900675]  ? list_lru_count_one+0x36d/0x450
[  232.905181]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  232.910536]  list_lru_count_one+0x36d/0x450
[  232.914852]  ? list_lru_isolate_move+0x3c0/0x3c0
[  232.919604]  ? shmem_free_inode+0xd0/0xd0
[  232.923751]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  232.929370]  ? ubifs_shrink_count+0xc4/0x100
[  232.933782]  super_cache_count+0x1b9/0x2e0
[  232.938039]  do_shrink_slab+0x1b1/0xd30
[  232.942040]  ? lock_acquire+0x1ed/0x520
[  232.946035]  ? snapshot_refaults+0x290/0x290
[  232.950445]  ? lock_release+0xa00/0xa00
[  232.954420]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  232.959366]  ? down_read_trylock+0xda/0x140
[  232.963681]  ? shrink_slab+0x207/0x8c0
[  232.967562]  ? downgrade_write+0x270/0x270
[  232.971807]  shrink_slab+0x389/0x8c0
[  232.975515]  ? shrink_active_list+0x1f00/0x1f00
[  232.980184]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  232.985808]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  232.990913]  ? cgroup_procs_write_finish+0xf0/0xf0
[  232.995842]  ? find_held_lock+0x36/0x1c0
[  232.999905]  shrink_node+0x431/0x16b0
[  233.003803]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  233.009093]  ? shrink_node_memcg+0x18f0/0x18f0
[  233.013680]  ? kvm_clock_read+0x18/0x30
[  233.017649]  ? ktime_get+0x2c1/0x400
[  233.021360]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  233.025852]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  233.031383]  ? __cpuset_node_allowed+0x19b/0x660
[  233.036134]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  233.041840]  ? delayacct_end+0x5a/0x100
[  233.045817]  do_try_to_free_pages+0x3e7/0x1290
[  233.050393]  ? zap_class+0x640/0x640
[  233.054117]  ? shrink_node+0x16b0/0x16b0
[  233.058178]  ? __lock_is_held+0xb5/0x140
[  233.062248]  try_to_free_pages+0x4d0/0xb90
[  233.066482]  ? do_try_to_free_pages+0x1290/0x1290
[  233.071331]  ? lock_acquire+0x1ed/0x520
[  233.075302]  ? set_page_refcounted+0x280/0x280
[  233.079882]  ? lock_release+0xa00/0xa00
[  233.083855]  ? _raw_spin_unlock_irq+0x60/0x80
[  233.088348]  ? psi_memstall_enter+0x240/0x2b0
[  233.092853]  ? psi_memstall_tick+0x230/0x230
[  233.097282]  __alloc_pages_slowpath+0xa14/0x2e10
[  233.102067]  ? warn_alloc+0x120/0x120
[  233.105865]  ? mark_held_locks+0x130/0x130
[  233.110100]  ? find_get_entry+0xaae/0x1120
[  233.114337]  ? filemap_map_pages+0x1a20/0x1a20
[  233.118919]  ? zap_class+0x640/0x640
[  233.122637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.128169]  ? check_preemption_disabled+0x48/0x280
[  233.133180]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.138710]  ? should_fail+0x22d/0xd01
[  233.142595]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.147698]  ? zap_class+0x640/0x640
[  233.151429]  ? __lock_is_held+0xb5/0x140
[  233.155493]  ? mark_held_locks+0x130/0x130
[  233.159723]  ? lock_release+0xa00/0xa00
[  233.163695]  ? perf_trace_sched_process_exec+0x860/0x860
[  233.169139]  ? xa_load+0x2ba/0x460
[  233.172675]  ? lock_downgrade+0x900/0x900
[  233.176822]  ? __might_sleep+0x95/0x190
[  233.180798]  __alloc_pages_nodemask+0xa80/0xde0
[  233.185466]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  233.190480]  ? __page_cache_alloc+0x191/0x5c0
[  233.194968]  ? xa_load+0x2e1/0x460
[  233.198504]  ? xa_clear_mark+0x40/0x40
[  233.202387]  ? zap_class+0x640/0x640
[  233.206102]  ? zap_class+0x640/0x640
[  233.209808]  ? zap_class+0x640/0x640
[  233.213520]  ? __do_page_cache_readahead+0x663/0x810
[  233.218622]  ? find_held_lock+0x36/0x1c0
[  233.222682]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  233.228235]  alloc_pages_current+0x173/0x350
[  233.232644]  __page_cache_alloc+0x38c/0x5c0
[  233.236963]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  233.241899]  ? kasan_check_read+0x11/0x20
[  233.246040]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  233.251312]  ? generic_perform_write+0x6a0/0x6a0
[  233.256062]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.261595]  ? check_preemption_disabled+0x48/0x280
[  233.266613]  filemap_fault+0x1595/0x25f0
[  233.270678]  ? __lock_page_or_retry+0xa00/0xa00
[  233.275342]  ? mark_held_locks+0x130/0x130
[  233.279582]  ? filemap_map_pages+0xd6b/0x1a20
[  233.284071]  ? lock_downgrade+0x900/0x900
[  233.288213]  ? check_preemption_disabled+0x48/0x280
[  233.293227]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  233.298152]  ? kasan_check_read+0x11/0x20
[  233.302294]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  233.307569]  ? rcu_softirq_qs+0x20/0x20
[  233.311562]  ? filemap_map_pages+0xd92/0x1a20
[  233.316064]  ? find_get_entries_tag+0x1400/0x1400
[  233.320904]  ? debug_object_destroy+0x2b0/0x2b0
[  233.325571]  ? lock_pi_update_atomic+0x150/0x150
[  233.330319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  233.335864]  ? lock_acquire+0x1ed/0x520
[  233.339835]  ? ext4_filemap_fault+0x7a/0xad
[  233.344155]  ? lock_release+0xa00/0xa00
[  233.348123]  ? perf_trace_sched_process_exec+0x860/0x860
[  233.353571]  ? print_usage_bug+0xc0/0xc0
[  233.357630]  ? print_usage_bug+0xc0/0xc0
[  233.361697]  ? down_read+0x8d/0x120
[  233.365316]  ? ext4_filemap_fault+0x7a/0xad
[  233.369722]  ? __down_interruptible+0x700/0x700
[  233.374400]  ext4_filemap_fault+0x82/0xad
[  233.378547]  __do_fault+0x100/0x6b0
[  233.382175]  ? pmd_devmap_trans_unstable+0x220/0x220
[  233.387274]  ? mark_held_locks+0x130/0x130
[  233.391505]  ? mark_held_locks+0x130/0x130
[  233.395733]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  233.401015]  ? rcu_softirq_qs+0x20/0x20
[  233.404995]  ? kasan_check_write+0x14/0x20
[  233.409230]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.414772]  __handle_mm_fault+0x3ea0/0x5be0
[  233.419181]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  233.424024]  ? aa_path_link+0x5e0/0x5e0
[  233.428024]  ? ksys_dup3+0x680/0x680
[  233.431752]  ? zap_class+0x640/0x640
[  233.435458]  ? zap_class+0x640/0x640
[  233.439163]  ? __x64_sys_futex+0x53e/0x6a0
[  233.443395]  ? find_held_lock+0x36/0x1c0
[  233.447461]  ? handle_mm_fault+0x42a/0xc70
[  233.451691]  ? lock_downgrade+0x900/0x900
[  233.455834]  ? check_preemption_disabled+0x48/0x280
[  233.460845]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  233.465773]  ? kasan_check_read+0x11/0x20
[  233.469914]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  233.475188]  ? rcu_softirq_qs+0x20/0x20
[  233.479158]  ? trace_hardirqs_off_caller+0x310/0x310
[  233.484270]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.489802]  ? check_preemption_disabled+0x48/0x280
[  233.494821]  handle_mm_fault+0x54f/0xc70
[  233.498884]  ? __handle_mm_fault+0x5be0/0x5be0
[  233.503462]  ? find_vma+0x34/0x190
[  233.507006]  __do_page_fault+0x5e8/0xe60
[  233.511062]  ? trace_hardirqs_off+0xb8/0x310
[  233.515474]  do_page_fault+0xf2/0x7e0
[  233.519278]  ? vmalloc_sync_all+0x30/0x30
[  233.523426]  ? error_entry+0x70/0xd0
[  233.527135]  ? trace_hardirqs_off_caller+0xbb/0x310
[  233.532144]  ? trace_hardirqs_on_caller+0xc0/0x310
[  233.537069]  ? syscall_return_slowpath+0x5e0/0x5e0
[  233.541996]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.546832]  ? trace_hardirqs_on_caller+0x310/0x310
[  233.551846]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  233.557296]  ? prepare_exit_to_usermode+0x291/0x3b0
[  233.562305]  ? page_fault+0x8/0x30
[  233.565842]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  233.570679]  ? page_fault+0x8/0x30
[  233.574221]  page_fault+0x1e/0x30
[  233.577667] RIP: 0033:0x40f9c0
[  233.580871] Code: Bad RIP value.
[  233.584240] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  233.589597] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  233.596880] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  233.604141] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  233.611400] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  233.618660] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  233.625941] warn_alloc_show_mem: 1 callbacks suppressed
[  233.625950] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  233.625952] Mem-Info:
[  233.625990] active_anon:51741 inactive_anon:192 isolated_anon:0
[  233.625990]  active_file:28 inactive_file:10 isolated_file:0
[  233.625990]  unevictable:0 dirty:0 writeback:0 unstable:0
[  233.625990]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  233.625990]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  233.625990]  free:13684 free_pcp:150 free_cma:0
[  233.631588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  233.631596] Call Trace:
[  233.638874] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  233.641263]  <IRQ>
[  233.674117] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  233.683495]  dump_stack+0x244/0x39d
[  233.686027] lowmem_reserve[]: 0 2818 6321 6321
[  233.713608]  ? dump_stack_print_info.cold.1+0x20/0x20
[  233.715751] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  233.741860]  warn_alloc.cold.116+0xb7/0x1bd
[  233.745450] lowmem_reserve[]: 0 0 3503 3503
[  233.750025]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  233.755186] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  233.782762]  ? lock_downgrade+0x900/0x900
[  233.787052] lowmem_reserve[]: 0 0 0 0
[  233.791367]  ? trace_hardirqs_off+0xb8/0x310
[  233.796175] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  233.825060]  ? trace_hardirqs_off+0xb8/0x310
[  233.829174] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  233.832972]  __alloc_pages_slowpath+0x26e8/0x2e10
[  233.837350] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  233.851057]  ? warn_alloc+0x120/0x120
[  233.856046] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  233.871287]  ? warn_alloc+0x120/0x120
[  233.876105] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  233.891345]  ? warn_alloc+0x120/0x120
[  233.895119] 281 total pagecache pages
[  233.903939]  ? print_usage_bug+0xc0/0xc0
[  233.907724] 0 pages in swap cache
[  233.916277]  ? check_preemption_disabled+0x48/0x280
[  233.920059] Swap cache stats: add 0, delete 0, find 0/0
[  233.923844]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  233.927872] Free swap  = 0kB
[  233.931313]  ? print_usage_bug+0xc0/0xc0
[  233.936385] Total swap = 0kB
[  233.941738]  ? check_usage_forwards+0x3d0/0x3d0
[  233.946202] 1965979 pages RAM
[  233.949209]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  233.953236] 0 pages HighMem/MovableOnly
[  233.956240]  ? should_fail+0x22d/0xd01
[  233.960876] 342854 pages reserved
[  233.960883] 0 pages cma reserved
[  233.963973]  ? __bfs+0x321/0x780
[  233.969550] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  233.973435]  ? __lock_acquire+0x62f/0x4c20
[  233.973457]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  233.977430] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  233.980762]  ? __lock_acquire+0x62f/0x4c20
[  233.984094] syz-fuzzer cpuset=/ mems_allowed=0
[  233.987453]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.027272]  ? __lock_acquire+0x62f/0x4c20
[  234.031500]  ? should_fail+0x22d/0xd01
[  234.035390]  ? mark_held_locks+0x130/0x130
[  234.039642]  ? mark_held_locks+0x130/0x130
[  234.043877]  ? kasan_check_read+0x11/0x20
[  234.048019]  ? __lock_acquire+0x2aff/0x4c20
[  234.052336]  ? zap_class+0x640/0x640
[  234.056055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.061591]  ? check_preemption_disabled+0x48/0x280
[  234.066884]  ? __lock_is_held+0xb5/0x140
[  234.070958]  __alloc_pages_nodemask+0xa80/0xde0
[  234.075625]  ? zap_class+0x640/0x640
[  234.079335]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  234.084359]  ? find_held_lock+0x36/0x1c0
[  234.088423]  ? ____cache_alloc_node+0x1c7/0x1e0
[  234.093092]  ? lock_downgrade+0x900/0x900
[  234.097243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.102778]  cache_grow_begin+0xa5/0x8c0
[  234.106834]  ? do_raw_spin_unlock+0xa7/0x330
[  234.111247]  fallback_alloc+0x204/0x2e0
[  234.115220]  ____cache_alloc_node+0x1c7/0x1e0
[  234.119716]  kmem_cache_alloc_node+0xe3/0x730
[  234.124203]  ? do_raw_spin_unlock+0xa7/0x330
[  234.128604]  ? do_raw_spin_trylock+0x270/0x270
[  234.133193]  __alloc_skb+0x119/0x770
[  234.136906]  ? netdev_alloc_frag+0x1f0/0x1f0
[  234.141314]  ? atomic_notifier_call_chain+0xc6/0x190
[  234.146427]  ? lock_downgrade+0x900/0x900
[  234.150574]  ? check_preemption_disabled+0x48/0x280
[  234.155589]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  234.160512]  ? kasan_check_read+0x11/0x20
[  234.164657]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  234.169934]  ? rcu_softirq_qs+0x20/0x20
[  234.173901]  ? kasan_check_read+0x11/0x20
[  234.178047]  ? do_raw_write_trylock+0x270/0x270
[  234.182720]  __neigh_notify+0x8c/0x160
[  234.186604]  ? neigh_connected_output+0x780/0x780
[  234.191448]  neigh_timer_handler+0x6cb/0xdf0
[  234.195856]  ? check_preemption_disabled+0x48/0x280
[  234.200878]  ? neigh_periodic_work+0xc60/0xc60
[  234.205461]  ? __lock_is_held+0xb5/0x140
[  234.209533]  call_timer_fn+0x272/0x920
[  234.213414]  ? neigh_periodic_work+0xc60/0xc60
[  234.217993]  ? process_timeout+0x40/0x40
[  234.222055]  ? __run_timers+0x7da/0xc70
[  234.226030]  ? _raw_spin_unlock_irq+0x27/0x80
[  234.230516]  ? _raw_spin_unlock_irq+0x27/0x80
[  234.235009]  ? neigh_periodic_work+0xc60/0xc60
[  234.239587]  ? lockdep_hardirqs_on+0x296/0x5b0
[  234.244168]  ? trace_hardirqs_on+0xbd/0x310
[  234.248487]  ? kasan_check_read+0x11/0x20
[  234.252629]  ? __run_timers+0x7da/0xc70
[  234.256601]  ? trace_hardirqs_off_caller+0x310/0x310
[  234.261711]  ? neigh_periodic_work+0xc60/0xc60
[  234.266286]  __run_timers+0x7e5/0xc70
[  234.270089]  ? timer_fixup_init+0x70/0x70
[  234.274235]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  234.279244]  ? zap_class+0x640/0x640
[  234.282962]  ? enqueue_hrtimer+0x1a5/0x560
[  234.287196]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  234.292389]  ? find_held_lock+0x36/0x1c0
[  234.296464]  ? zap_class+0x640/0x640
[  234.300174]  ? pvclock_read_flags+0x160/0x160
[  234.304675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.310208]  ? check_preemption_disabled+0x48/0x280
[  234.315228]  ? __lock_is_held+0xb5/0x140
[  234.319284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.324816]  ? check_preemption_disabled+0x48/0x280
[  234.329836]  run_timer_softirq+0x52/0xb0
[  234.333893]  ? rcu_read_lock_sched_held+0x14f/0x180
[  234.338910]  __do_softirq+0x308/0xb7e
[  234.342711]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  234.347200]  ? lock_downgrade+0x900/0x900
[  234.351347]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  234.356450]  ? pvclock_read_flags+0x160/0x160
[  234.360958]  ? lapic_next_event+0x5a/0x90
[  234.365102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.370637]  ? kvm_clock_read+0x18/0x30
[  234.374626]  ? kvm_sched_clock_read+0x9/0x20
[  234.379041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.384572]  ? check_preemption_disabled+0x48/0x280
[  234.389591]  irq_exit+0x17f/0x1c0
[  234.393042]  smp_apic_timer_interrupt+0x1cb/0x760
[  234.397881]  ? smp_reschedule_interrupt+0x109/0x650
[  234.402898]  ? smp_call_function_single_interrupt+0x650/0x650
[  234.408775]  ? interrupt_entry+0xb5/0xc0
[  234.412834]  ? trace_hardirqs_off_caller+0xbb/0x310
[  234.417848]  ? trace_hardirqs_off_caller+0xbb/0x310
[  234.422863]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.427704]  ? trace_hardirqs_on_caller+0x310/0x310
[  234.432714]  ? trace_hardirqs_on_caller+0x310/0x310
[  234.437723]  ? task_prio+0x50/0x50
[  234.441259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.446792]  ? check_preemption_disabled+0x48/0x280
[  234.451810]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.456662]  apic_timer_interrupt+0xf/0x20
[  234.460888]  </IRQ>
[  234.463122] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  234.468047] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  234.486945] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  234.494653] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  234.501917] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  234.509180] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  234.516444] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  234.523710] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  234.531008]  skb_clone+0x1bb/0x500
[  234.534547]  ? finish_task_switch+0x1b4/0x910
[  234.539044]  ? skb_split+0x11e0/0x11e0
[  234.542930]  ? preempt_notifier_register+0x200/0x200
[  234.548028]  ? __switch_to_asm+0x34/0x70
[  234.552086]  ? __switch_to_asm+0x34/0x70
[  234.556138]  ? __switch_to_asm+0x40/0x70
[  234.560195]  ? __switch_to_asm+0x34/0x70
[  234.564246]  ? __switch_to_asm+0x40/0x70
[  234.568324]  ? __switch_to_asm+0x34/0x70
[  234.572382]  ? __switch_to_asm+0x40/0x70
[  234.576446]  ? __switch_to_asm+0x34/0x70
[  234.580502]  ? __switch_to_asm+0x34/0x70
[  234.584554]  ? __switch_to_asm+0x40/0x70
[  234.588605]  ? __switch_to_asm+0x34/0x70
[  234.592937]  bpf_clone_redirect+0xb9/0x490
[  234.597167]  ? __schedule+0x8d7/0x21d0
[  234.601058]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  234.606074]  ? __sched_text_start+0x8/0x8
[  234.610219]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  234.614796]  ? retint_kernel+0x2d/0x2d
[  234.618678]  ? trace_hardirqs_on_caller+0xc0/0x310
[  234.623604]  ? find_held_lock+0x36/0x1c0
[  234.627671]  ? lock_acquire+0x1ed/0x520
[  234.631654]  ? bpf_test_run+0x3cb/0x780
[  234.635624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.641169]  ? check_preemption_disabled+0x48/0x280
[  234.646185]  ? kasan_check_read+0x11/0x20
[  234.650327]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  234.655599]  ? rcu_softirq_qs+0x20/0x20
[  234.659573]  ? preempt_schedule+0x4d/0x60
[  234.663727]  ? ___preempt_schedule+0x16/0x18
[  234.668141]  ? bpf_test_run+0x25d/0x780
[  234.672122]  ? netlink_diag_dump+0x2a0/0x2a0
[  234.676617]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.682158]  ? bpf_test_init.isra.10+0x70/0x100
[  234.686830]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  234.691596]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  234.696441]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  234.701971]  ? fput+0x130/0x1a0
[  234.705245]  ? __bpf_prog_get+0x9b/0x290
[  234.709402]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  234.714237]  ? bpf_prog_test_run+0x130/0x1a0
[  234.718650]  ? __x64_sys_bpf+0x3d8/0x520
[  234.722708]  ? bpf_prog_get+0x20/0x20
[  234.726521]  ? do_syscall_64+0x1b9/0x820
[  234.730580]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  234.735941]  ? syscall_return_slowpath+0x5e0/0x5e0
[  234.740870]  ? trace_hardirqs_on_caller+0x310/0x310
[  234.745882]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  234.750899]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  234.757563]  ? __switch_to_asm+0x40/0x70
[  234.761623]  ? __switch_to_asm+0x34/0x70
[  234.765685]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  234.770530]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  234.775911] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  234.776091] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  234.782928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  234.793392] syz-executor2 cpuset=syz2 mems_allowed=0
[  234.803018] Call Trace:
[  234.810673]  <IRQ>
[  234.812834]  dump_stack+0x244/0x39d
[  234.816460]  ? dump_stack_print_info.cold.1+0x20/0x20
[  234.821659]  warn_alloc.cold.116+0xb7/0x1bd
[  234.825977]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  234.830823]  ? lock_downgrade+0x900/0x900
[  234.834972]  ? trace_hardirqs_off+0xb8/0x310
[  234.839384]  ? trace_hardirqs_off+0xb8/0x310
[  234.843794]  __alloc_pages_slowpath+0x26e8/0x2e10
[  234.848660]  ? warn_alloc+0x120/0x120
[  234.852460]  ? print_usage_bug+0xc0/0xc0
[  234.856525]  ? warn_alloc+0x120/0x120
[  234.860322]  ? warn_alloc+0x120/0x120
[  234.864119]  ? print_usage_bug+0xc0/0xc0
[  234.868177]  ? kvm_clock_read+0x18/0x30
[  234.872147]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  234.877162]  ? print_usage_bug+0xc0/0xc0
[  234.881222]  ? __lock_acquire+0x62f/0x4c20
[  234.885981]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  234.891514]  ? should_fail+0x22d/0xd01
[  234.895401]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.900503]  ? __lock_acquire+0x62f/0x4c20
[  234.904738]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  234.909834]  ? __lock_acquire+0x62f/0x4c20
[  234.914065]  ? should_fail+0x22d/0xd01
[  234.917956]  ? mark_held_locks+0x130/0x130
[  234.922194]  ? mark_held_locks+0x130/0x130
[  234.926429]  ? zap_class+0x640/0x640
[  234.930137]  ? print_usage_bug+0xc0/0xc0
[  234.934195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.939729]  ? check_preemption_disabled+0x48/0x280
[  234.944748]  ? __lock_is_held+0xb5/0x140
[  234.948814]  __alloc_pages_nodemask+0xa80/0xde0
[  234.953481]  ? zap_class+0x640/0x640
[  234.957195]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  234.962213]  ? find_held_lock+0x36/0x1c0
[  234.966280]  ? ____cache_alloc_node+0x1c7/0x1e0
[  234.970945]  ? lock_downgrade+0x900/0x900
[  234.975092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  234.980634]  cache_grow_begin+0xa5/0x8c0
[  234.984688]  ? do_raw_spin_unlock+0xa7/0x330
[  234.989096]  fallback_alloc+0x204/0x2e0
[  234.993070]  ____cache_alloc_node+0x1c7/0x1e0
[  234.997563]  kmem_cache_alloc_node+0xe3/0x730
[  235.002052]  ? ipv6_get_ifaddr+0x42e/0x620
[  235.006289]  __alloc_skb+0x119/0x770
[  235.010000]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  235.015276]  ? netdev_alloc_frag+0x1f0/0x1f0
[  235.019677]  ? lock_downgrade+0x900/0x900
[  235.023824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.029372]  ? refcount_sub_and_test_checked+0x203/0x310
[  235.034818]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  235.040263]  ? addrconf_rs_timer+0x690/0x690
[  235.044675]  ndisc_alloc_skb+0x144/0x340
[  235.048738]  ndisc_send_rs+0x331/0x6e0
[  235.052631]  addrconf_rs_timer+0x314/0x690
[  235.056872]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.061110]  call_timer_fn+0x272/0x920
[  235.064989]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.069216]  ? process_timeout+0x40/0x40
[  235.073367]  ? mark_held_locks+0xc7/0x130
[  235.077514]  ? _raw_spin_unlock_irq+0x27/0x80
[  235.082348]  ? _raw_spin_unlock_irq+0x27/0x80
[  235.086840]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.091074]  ? lockdep_hardirqs_on+0x296/0x5b0
[  235.095654]  ? trace_hardirqs_on+0xbd/0x310
[  235.099973]  ? kasan_check_read+0x11/0x20
[  235.104119]  ? __run_timers+0x7da/0xc70
[  235.108102]  ? trace_hardirqs_off_caller+0x310/0x310
[  235.113212]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  235.117443]  __run_timers+0x7e5/0xc70
[  235.121249]  ? timer_fixup_init+0x70/0x70
[  235.125396]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  235.130406]  ? zap_class+0x640/0x640
[  235.134116]  ? print_usage_bug+0xc0/0xc0
[  235.138174]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  235.143367]  ? find_held_lock+0x36/0x1c0
[  235.147431]  ? zap_class+0x640/0x640
[  235.151142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.156675]  ? check_preemption_disabled+0x48/0x280
[  235.161694]  ? __lock_is_held+0xb5/0x140
[  235.165755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.171285]  ? check_preemption_disabled+0x48/0x280
[  235.176300]  run_timer_softirq+0x52/0xb0
[  235.180360]  ? rcu_read_lock_sched_held+0x14f/0x180
[  235.185373]  __do_softirq+0x308/0xb7e
[  235.189171]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  235.193658]  ? lock_downgrade+0x900/0x900
[  235.197804]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  235.202910]  ? pvclock_read_flags+0x160/0x160
[  235.207398]  ? lapic_next_event+0x5a/0x90
[  235.211545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.217084]  ? kvm_clock_read+0x18/0x30
[  235.221052]  ? kvm_sched_clock_read+0x9/0x20
[  235.225459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.230991]  ? check_preemption_disabled+0x48/0x280
[  235.236013]  irq_exit+0x17f/0x1c0
[  235.239460]  smp_apic_timer_interrupt+0x1cb/0x760
[  235.244300]  ? smp_call_function_single_interrupt+0x159/0x650
[  235.250178]  ? smp_call_function_single_interrupt+0x650/0x650
[  235.256054]  ? interrupt_entry+0xb5/0xc0
[  235.260113]  ? trace_hardirqs_off_caller+0xbb/0x310
[  235.265124]  ? trace_hardirqs_off_caller+0xbb/0x310
[  235.270139]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.274976]  ? trace_hardirqs_on_caller+0x310/0x310
[  235.279987]  ? trace_hardirqs_on_caller+0x310/0x310
[  235.285009]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  235.289870]  apic_timer_interrupt+0xf/0x20
[  235.294094]  </IRQ>
[  235.296331] RIP: 0010:write_comp_data+0xd/0x70
[  235.300910] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  235.319889] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  235.327596] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  235.334859] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  235.342120] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  235.349381] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  235.356644] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  235.363921]  ? list_lru_count_one+0x36d/0x450
[  235.368424]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  235.373780]  list_lru_count_one+0x36d/0x450
[  235.378096]  ? list_lru_isolate_move+0x3c0/0x3c0
[  235.382848]  ? shmem_free_inode+0xd0/0xd0
[  235.386992]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.392524]  ? ubifs_shrink_count+0xc4/0x100
[  235.396936]  super_cache_count+0x1b9/0x2e0
[  235.401169]  do_shrink_slab+0x1b1/0xd30
[  235.405144]  ? lock_acquire+0x1ed/0x520
[  235.409119]  ? snapshot_refaults+0x290/0x290
[  235.413547]  ? lock_release+0xa00/0xa00
[  235.417534]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  235.422473]  ? down_read_trylock+0xda/0x140
[  235.426965]  ? shrink_slab+0x207/0x8c0
[  235.430856]  ? downgrade_write+0x270/0x270
[  235.435093]  shrink_slab+0x389/0x8c0
[  235.438802]  ? shrink_active_list+0x1f00/0x1f00
[  235.443473]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  235.449093]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  235.454201]  ? cgroup_procs_write_finish+0xf0/0xf0
[  235.459129]  ? find_held_lock+0x36/0x1c0
[  235.463191]  shrink_node+0x431/0x16b0
[  235.466990]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  235.472281]  ? shrink_node_memcg+0x18f0/0x18f0
[  235.476991]  ? kvm_clock_read+0x18/0x30
[  235.480960]  ? ktime_get+0x2c1/0x400
[  235.484673]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  235.489164]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  235.494701]  ? __cpuset_node_allowed+0x19b/0x660
[  235.499456]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  235.505163]  ? delayacct_end+0x5a/0x100
[  235.509142]  do_try_to_free_pages+0x3e7/0x1290
[  235.513720]  ? zap_class+0x640/0x640
[  235.517442]  ? shrink_node+0x16b0/0x16b0
[  235.521499]  ? __lock_is_held+0xb5/0x140
[  235.525576]  try_to_free_pages+0x4d0/0xb90
[  235.529813]  ? do_try_to_free_pages+0x1290/0x1290
[  235.534663]  ? lock_acquire+0x1ed/0x520
[  235.538630]  ? set_page_refcounted+0x280/0x280
[  235.543211]  ? lock_release+0xa00/0xa00
[  235.547179]  ? _raw_spin_unlock_irq+0x60/0x80
[  235.551672]  ? psi_memstall_enter+0x240/0x2b0
[  235.556163]  ? psi_memstall_tick+0x230/0x230
[  235.560582]  __alloc_pages_slowpath+0xa14/0x2e10
[  235.565362]  ? warn_alloc+0x120/0x120
[  235.569154]  ? mark_held_locks+0x130/0x130
[  235.573387]  ? find_get_entry+0xaae/0x1120
[  235.577624]  ? filemap_map_pages+0x1a20/0x1a20
[  235.582206]  ? zap_class+0x640/0x640
[  235.585929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.591460]  ? check_preemption_disabled+0x48/0x280
[  235.596469]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.601999]  ? should_fail+0x22d/0xd01
[  235.605883]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  235.610985]  ? zap_class+0x640/0x640
[  235.614720]  ? __lock_is_held+0xb5/0x140
[  235.618786]  ? mark_held_locks+0x130/0x130
[  235.623024]  ? lock_release+0xa00/0xa00
[  235.627001]  ? perf_trace_sched_process_exec+0x860/0x860
[  235.632962]  ? xa_load+0x2ba/0x460
[  235.636501]  ? lock_downgrade+0x900/0x900
[  235.640650]  ? __might_sleep+0x95/0x190
[  235.644628]  __alloc_pages_nodemask+0xa80/0xde0
[  235.649302]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  235.654334]  ? __page_cache_alloc+0x191/0x5c0
[  235.658826]  ? xa_load+0x2e1/0x460
[  235.662361]  ? xa_clear_mark+0x40/0x40
[  235.666248]  ? zap_class+0x640/0x640
[  235.669964]  ? zap_class+0x640/0x640
[  235.673674]  ? zap_class+0x640/0x640
[  235.677381]  ? __do_page_cache_readahead+0x663/0x810
[  235.682486]  ? find_held_lock+0x36/0x1c0
[  235.686554]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  235.692091]  alloc_pages_current+0x173/0x350
[  235.696504]  __page_cache_alloc+0x38c/0x5c0
[  235.700822]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  235.705747]  ? kasan_check_read+0x11/0x20
[  235.709889]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  235.715163]  ? generic_perform_write+0x6a0/0x6a0
[  235.719915]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.725454]  ? check_preemption_disabled+0x48/0x280
[  235.730471]  filemap_fault+0x1595/0x25f0
[  235.734547]  ? __lock_page_or_retry+0xa00/0xa00
[  235.739211]  ? mark_held_locks+0x130/0x130
[  235.743448]  ? filemap_map_pages+0xd6b/0x1a20
[  235.747941]  ? lock_downgrade+0x900/0x900
[  235.752082]  ? check_preemption_disabled+0x48/0x280
[  235.757098]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  235.762024]  ? kasan_check_read+0x11/0x20
[  235.766167]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  235.771437]  ? rcu_softirq_qs+0x20/0x20
[  235.775420]  ? filemap_map_pages+0xd92/0x1a20
[  235.779921]  ? find_get_entries_tag+0x1400/0x1400
[  235.784761]  ? debug_object_destroy+0x2b0/0x2b0
[  235.789436]  ? lock_pi_update_atomic+0x150/0x150
[  235.794187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  235.799730]  ? lock_acquire+0x1ed/0x520
[  235.803699]  ? ext4_filemap_fault+0x7a/0xad
[  235.808020]  ? lock_release+0xa00/0xa00
[  235.811988]  ? perf_trace_sched_process_exec+0x860/0x860
[  235.817432]  ? print_usage_bug+0xc0/0xc0
[  235.821492]  ? print_usage_bug+0xc0/0xc0
[  235.825565]  ? down_read+0x8d/0x120
[  235.829182]  ? ext4_filemap_fault+0x7a/0xad
[  235.833499]  ? __down_interruptible+0x700/0x700
[  235.838263]  ext4_filemap_fault+0x82/0xad
[  235.842412]  __do_fault+0x100/0x6b0
[  235.846037]  ? pmd_devmap_trans_unstable+0x220/0x220
[  235.851141]  ? mark_held_locks+0x130/0x130
[  235.855372]  ? mark_held_locks+0x130/0x130
[  235.859601]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  235.864876]  ? rcu_softirq_qs+0x20/0x20
[  235.868854]  ? kasan_check_write+0x14/0x20
[  235.873088]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.878627]  __handle_mm_fault+0x3ea0/0x5be0
[  235.883047]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  235.887887]  ? aa_path_link+0x5e0/0x5e0
[  235.891867]  ? ksys_dup3+0x680/0x680
[  235.895598]  ? zap_class+0x640/0x640
[  235.899305]  ? zap_class+0x640/0x640
[  235.903011]  ? __x64_sys_futex+0x53e/0x6a0
[  235.907249]  ? find_held_lock+0x36/0x1c0
[  235.911318]  ? handle_mm_fault+0x42a/0xc70
[  235.915552]  ? lock_downgrade+0x900/0x900
[  235.919697]  ? check_preemption_disabled+0x48/0x280
[  235.924715]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  235.929638]  ? kasan_check_read+0x11/0x20
[  235.933800]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  235.939073]  ? rcu_softirq_qs+0x20/0x20
[  235.943047]  ? trace_hardirqs_off_caller+0x310/0x310
[  235.948147]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  235.953680]  ? check_preemption_disabled+0x48/0x280
[  235.958697]  handle_mm_fault+0x54f/0xc70
[  235.962760]  ? __handle_mm_fault+0x5be0/0x5be0
[  235.967345]  ? find_vma+0x34/0x190
[  235.970894]  __do_page_fault+0x5e8/0xe60
[  235.974954]  ? trace_hardirqs_off+0xb8/0x310
[  235.979367]  do_page_fault+0xf2/0x7e0
[  235.983165]  ? vmalloc_sync_all+0x30/0x30
[  235.987310]  ? error_entry+0x70/0xd0
[  235.991022]  ? trace_hardirqs_off_caller+0xbb/0x310
[  235.996030]  ? trace_hardirqs_on_caller+0xc0/0x310
[  236.001216]  ? syscall_return_slowpath+0x5e0/0x5e0
[  236.006138]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.010975]  ? trace_hardirqs_on_caller+0x310/0x310
[  236.015990]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  236.021437]  ? prepare_exit_to_usermode+0x291/0x3b0
[  236.026448]  ? page_fault+0x8/0x30
[  236.029984]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.034824]  ? page_fault+0x8/0x30
[  236.038359]  page_fault+0x1e/0x30
[  236.041806] RIP: 0033:0x40f9c0
[  236.045006] Code: Bad RIP value.
[  236.048362] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  236.053891] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  236.061153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  236.068515] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  236.075779] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  236.083038] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  236.090324] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  236.090329] warn_alloc_show_mem: 1 callbacks suppressed
[  236.090335] Mem-Info:
[  236.097603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  236.102968] active_anon:51741 inactive_anon:192 isolated_anon:0
[  236.102968]  active_file:28 inactive_file:10 isolated_file:0
[  236.102968]  unevictable:0 dirty:0 writeback:0 unstable:0
[  236.102968]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  236.102968]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  236.102968]  free:13684 free_pcp:150 free_cma:0
[  236.105344] Call Trace:
[  236.114713] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  236.147564]  <IRQ>
[  236.150127] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  236.177716]  dump_stack+0x244/0x39d
[  236.179832] lowmem_reserve[]: 0 2818 6321 6321
[  236.205933]  ? dump_stack_print_info.cold.1+0x20/0x20
[  236.209525] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  236.214107]  warn_alloc.cold.116+0xb7/0x1bd
[  236.219256] lowmem_reserve[]: 0 0 3503 3503
[  236.246831]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  236.251121] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  236.255435]  ? lock_downgrade+0x900/0x900
[  236.260241] lowmem_reserve[]: 0 0 0 0
[  236.289128]  ? trace_hardirqs_off+0xb8/0x310
[  236.293244] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  236.297036]  ? trace_hardirqs_off+0xb8/0x310
[  236.301417] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  236.314937]  __alloc_pages_slowpath+0x26e8/0x2e10
[  236.319312] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  236.334667]  ? warn_alloc+0x120/0x120
[  236.339465] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  236.354711]  ? warn_alloc+0x120/0x120
[  236.358499] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  236.367314]  ? zap_class+0x640/0x640
[  236.371084] 281 total pagecache pages
[  236.379644]  ? warn_alloc+0x120/0x120
[  236.383338] 0 pages in swap cache
[  236.387120]  ? print_usage_bug+0xc0/0xc0
[  236.390893] Swap cache stats: add 0, delete 0, find 0/0
[  236.394350]  ? idle_cpu+0x1d0/0x1d0
[  236.398380] Free swap  = 0kB
[  236.403734]  ? kvm_sched_clock_read+0x9/0x20
[  236.407346] Total swap = 0kB
[  236.410353]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  236.414736] 1965979 pages RAM
[  236.417745]  ? print_usage_bug+0xc0/0xc0
[  236.422730] 0 pages HighMem/MovableOnly
[  236.425824]  ? __lock_is_held+0xb5/0x140
[  236.429849] 342854 pages reserved
[  236.429856] 0 pages cma reserved
[  236.433816]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  236.437914] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  236.441283]  ? should_fail+0x22d/0xd01
[  236.444679] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  236.450143]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.456605] syz-fuzzer cpuset=/ mems_allowed=0
[  236.460485]  ? __lock_acquire+0x62f/0x4c20
[  236.484562]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  236.489660]  ? __lock_acquire+0x62f/0x4c20
[  236.493887]  ? should_fail+0x22d/0xd01
[  236.497778]  ? mark_held_locks+0x130/0x130
[  236.502011]  ? mark_held_locks+0x130/0x130
[  236.506246]  ? __enqueue_entity+0x10d/0x1f0
[  236.510568]  ? zap_class+0x640/0x640
[  236.514275]  ? print_usage_bug+0xc0/0xc0
[  236.518329]  ? __lock_acquire+0x62f/0x4c20
[  236.522571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.528107]  ? check_preemption_disabled+0x48/0x280
[  236.533130]  ? __lock_is_held+0xb5/0x140
[  236.537204]  __alloc_pages_nodemask+0xa80/0xde0
[  236.541873]  ? zap_class+0x640/0x640
[  236.545587]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  236.550607]  ? find_held_lock+0x36/0x1c0
[  236.554674]  ? ____cache_alloc_node+0x1c7/0x1e0
[  236.559336]  ? lock_downgrade+0x900/0x900
[  236.563489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.569029]  cache_grow_begin+0xa5/0x8c0
[  236.573084]  ? do_raw_spin_unlock+0xa7/0x330
[  236.577505]  fallback_alloc+0x204/0x2e0
[  236.581487]  ____cache_alloc_node+0x1c7/0x1e0
[  236.585992]  kmem_cache_alloc_node+0xe3/0x730
[  236.590488]  ? ipv6_get_ifaddr+0x42e/0x620
[  236.594726]  __alloc_skb+0x119/0x770
[  236.598435]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  236.603716]  ? netdev_alloc_frag+0x1f0/0x1f0
[  236.608120]  ? lock_downgrade+0x900/0x900
[  236.612267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.617798]  ? refcount_sub_and_test_checked+0x203/0x310
[  236.623245]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  236.628689]  ? addrconf_rs_timer+0x690/0x690
[  236.633106]  ndisc_alloc_skb+0x144/0x340
[  236.637165]  ndisc_send_rs+0x331/0x6e0
[  236.641055]  addrconf_rs_timer+0x314/0x690
[  236.645288]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.649527]  call_timer_fn+0x272/0x920
[  236.653408]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.657637]  ? process_timeout+0x40/0x40
[  236.661702]  ? __run_timers+0x7da/0xc70
[  236.665672]  ? _raw_spin_unlock_irq+0x27/0x80
[  236.670162]  ? _raw_spin_unlock_irq+0x27/0x80
[  236.674648]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.678879]  ? lockdep_hardirqs_on+0x296/0x5b0
[  236.683464]  ? trace_hardirqs_on+0xbd/0x310
[  236.687786]  ? kasan_check_read+0x11/0x20
[  236.691926]  ? __run_timers+0x7da/0xc70
[  236.695895]  ? trace_hardirqs_off_caller+0x310/0x310
[  236.701002]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  236.705233]  __run_timers+0x7e5/0xc70
[  236.709039]  ? timer_fixup_init+0x70/0x70
[  236.713182]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  236.718202]  ? zap_class+0x640/0x640
[  236.721912]  ? enqueue_hrtimer+0x1a5/0x560
[  236.726143]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  236.731333]  ? find_held_lock+0x36/0x1c0
[  236.735393]  ? zap_class+0x640/0x640
[  236.739107]  ? pvclock_read_flags+0x160/0x160
[  236.743614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.749145]  ? check_preemption_disabled+0x48/0x280
[  236.754190]  ? __lock_is_held+0xb5/0x140
[  236.758251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.763785]  ? check_preemption_disabled+0x48/0x280
[  236.768804]  run_timer_softirq+0x52/0xb0
[  236.772865]  ? rcu_read_lock_sched_held+0x14f/0x180
[  236.777883]  __do_softirq+0x308/0xb7e
[  236.781684]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  236.786172]  ? lock_downgrade+0x900/0x900
[  236.790321]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  236.795427]  ? pvclock_read_flags+0x160/0x160
[  236.800455]  ? lapic_next_event+0x5a/0x90
[  236.804605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.810148]  ? kvm_clock_read+0x18/0x30
[  236.814122]  ? kvm_sched_clock_read+0x9/0x20
[  236.818530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.824151]  ? check_preemption_disabled+0x48/0x280
[  236.829173]  irq_exit+0x17f/0x1c0
[  236.832631]  smp_apic_timer_interrupt+0x1cb/0x760
[  236.837466]  ? smp_reschedule_interrupt+0x109/0x650
[  236.842482]  ? smp_call_function_single_interrupt+0x650/0x650
[  236.848358]  ? interrupt_entry+0xb5/0xc0
[  236.852440]  ? trace_hardirqs_off_caller+0xbb/0x310
[  236.857456]  ? trace_hardirqs_off_caller+0xbb/0x310
[  236.862468]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.867310]  ? trace_hardirqs_on_caller+0x310/0x310
[  236.872331]  ? trace_hardirqs_on_caller+0x310/0x310
[  236.877354]  ? task_prio+0x50/0x50
[  236.880897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  236.886436]  ? check_preemption_disabled+0x48/0x280
[  236.891462]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  236.896308]  apic_timer_interrupt+0xf/0x20
[  236.900530]  </IRQ>
[  236.902772] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  236.907717] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  236.926624] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  236.934325] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  236.941589] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  236.948854] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  236.956114] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  236.963379] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  236.970678]  skb_clone+0x1bb/0x500
[  236.974214]  ? finish_task_switch+0x1b4/0x910
[  236.978706]  ? skb_split+0x11e0/0x11e0
[  236.982593]  ? preempt_notifier_register+0x200/0x200
[  236.987688]  ? __switch_to_asm+0x34/0x70
[  236.991745]  ? __switch_to_asm+0x34/0x70
[  236.995808]  ? __switch_to_asm+0x40/0x70
[  236.999864]  ? __switch_to_asm+0x34/0x70
[  237.003929]  ? __switch_to_asm+0x40/0x70
[  237.007980]  ? __switch_to_asm+0x34/0x70
[  237.012033]  ? __switch_to_asm+0x40/0x70
[  237.016088]  ? __switch_to_asm+0x34/0x70
[  237.020157]  ? __switch_to_asm+0x34/0x70
[  237.024214]  ? __switch_to_asm+0x40/0x70
[  237.028265]  ? __switch_to_asm+0x34/0x70
[  237.032328]  bpf_clone_redirect+0xb9/0x490
[  237.036561]  ? __schedule+0x8d7/0x21d0
[  237.040452]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  237.045466]  ? __sched_text_start+0x8/0x8
[  237.049615]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  237.054191]  ? retint_kernel+0x2d/0x2d
[  237.058079]  ? trace_hardirqs_on_caller+0xc0/0x310
[  237.063007]  ? find_held_lock+0x36/0x1c0
[  237.067070]  ? lock_acquire+0x1ed/0x520
[  237.071041]  ? bpf_test_run+0x3cb/0x780
[  237.075012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.080561]  ? check_preemption_disabled+0x48/0x280
[  237.085591]  ? kasan_check_read+0x11/0x20
[  237.089736]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  237.095008]  ? rcu_softirq_qs+0x20/0x20
[  237.098994]  ? preempt_schedule+0x4d/0x60
[  237.103141]  ? ___preempt_schedule+0x16/0x18
[  237.107553]  ? bpf_test_run+0x25d/0x780
[  237.111530]  ? netlink_diag_dump+0x2a0/0x2a0
[  237.115937]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.121468]  ? bpf_test_init.isra.10+0x70/0x100
[  237.126139]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  237.130901]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  237.135752]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  237.141284]  ? fput+0x130/0x1a0
[  237.144563]  ? __bpf_prog_get+0x9b/0x290
[  237.148626]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  237.153463]  ? bpf_prog_test_run+0x130/0x1a0
[  237.157876]  ? __x64_sys_bpf+0x3d8/0x520
[  237.161929]  ? bpf_prog_get+0x20/0x20
[  237.165746]  ? do_syscall_64+0x1b9/0x820
[  237.169802]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  237.175166]  ? syscall_return_slowpath+0x5e0/0x5e0
[  237.180101]  ? trace_hardirqs_on_caller+0x310/0x310
[  237.185112]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  237.190124]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  237.196786]  ? __switch_to_asm+0x40/0x70
[  237.200838]  ? __switch_to_asm+0x34/0x70
[  237.204903]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.209750]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  237.215125] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  237.215209] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  237.222146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  237.222151] Call Trace:
[  237.222157]  <IRQ>
[  237.222175]  dump_stack+0x244/0x39d
[  237.222194]  ? dump_stack_print_info.cold.1+0x20/0x20
[  237.228744] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  237.238102]  warn_alloc.cold.116+0xb7/0x1bd
[  237.240650] syz-executor2 cpuset=syz2 mems_allowed=0
[  237.242794]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  237.276260]  ? lock_downgrade+0x900/0x900
[  237.280418]  ? trace_hardirqs_off+0xb8/0x310
[  237.284828]  ? trace_hardirqs_off+0xb8/0x310
[  237.289237]  __alloc_pages_slowpath+0x26e8/0x2e10
[  237.294101]  ? warn_alloc+0x120/0x120
[  237.297898]  ? print_usage_bug+0xc0/0xc0
[  237.301958]  ? warn_alloc+0x120/0x120
[  237.305760]  ? warn_alloc+0x120/0x120
[  237.309559]  ? print_usage_bug+0xc0/0xc0
[  237.313622]  ? print_usage_bug+0xc0/0xc0
[  237.317685]  ? __lock_acquire+0x62f/0x4c20
[  237.321920]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.327452]  ? should_fail+0x22d/0xd01
[  237.331358]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.336460]  ? __lock_acquire+0x62f/0x4c20
[  237.340694]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  237.345791]  ? __lock_acquire+0x62f/0x4c20
[  237.350019]  ? should_fail+0x22d/0xd01
[  237.353901]  ? find_held_lock+0x36/0x1c0
[  237.357966]  ? mark_held_locks+0x130/0x130
[  237.362200]  ? mark_held_locks+0x130/0x130
[  237.366430]  ? zap_class+0x640/0x640
[  237.370153]  ? zap_class+0x640/0x640
[  237.373867]  ? print_usage_bug+0xc0/0xc0
[  237.377926]  ? do_raw_spin_unlock+0xa7/0x330
[  237.382327]  ? zap_class+0x640/0x640
[  237.386034]  ? print_usage_bug+0xc0/0xc0
[  237.390090]  ? wq_watchdog_touch+0x9c/0xfe
[  237.394327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.399858]  ? check_preemption_disabled+0x48/0x280
[  237.404876]  ? __lock_is_held+0xb5/0x140
[  237.408937]  __alloc_pages_nodemask+0xa80/0xde0
[  237.413602]  ? zap_class+0x640/0x640
[  237.417318]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  237.422352]  ? find_held_lock+0x36/0x1c0
[  237.426422]  ? ____cache_alloc_node+0x1c7/0x1e0
[  237.431087]  ? lock_downgrade+0x900/0x900
[  237.435238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.440779]  cache_grow_begin+0xa5/0x8c0
[  237.444848]  ? do_raw_spin_unlock+0xa7/0x330
[  237.449257]  fallback_alloc+0x204/0x2e0
[  237.453235]  ____cache_alloc_node+0x1c7/0x1e0
[  237.457737]  kmem_cache_alloc_node+0xe3/0x730
[  237.462230]  ? ipv6_get_ifaddr+0x42e/0x620
[  237.466469]  __alloc_skb+0x119/0x770
[  237.470178]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  237.475456]  ? netdev_alloc_frag+0x1f0/0x1f0
[  237.479862]  ? lock_downgrade+0x900/0x900
[  237.484021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.489557]  ? refcount_sub_and_test_checked+0x203/0x310
[  237.495005]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  237.500454]  ? addrconf_rs_timer+0x690/0x690
[  237.504872]  ndisc_alloc_skb+0x144/0x340
[  237.508935]  ndisc_send_rs+0x331/0x6e0
[  237.512824]  addrconf_rs_timer+0x314/0x690
[  237.517061]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.521299]  call_timer_fn+0x272/0x920
[  237.525182]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.529415]  ? process_timeout+0x40/0x40
[  237.533484]  ? mark_held_locks+0xc7/0x130
[  237.537635]  ? _raw_spin_unlock_irq+0x27/0x80
[  237.542121]  ? _raw_spin_unlock_irq+0x27/0x80
[  237.546615]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.550851]  ? lockdep_hardirqs_on+0x296/0x5b0
[  237.555435]  ? trace_hardirqs_on+0xbd/0x310
[  237.559753]  ? kasan_check_read+0x11/0x20
[  237.563894]  ? __run_timers+0x7da/0xc70
[  237.567875]  ? trace_hardirqs_off_caller+0x310/0x310
[  237.572988]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.577236]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  237.581467]  __run_timers+0x7e5/0xc70
[  237.585273]  ? timer_fixup_init+0x70/0x70
[  237.589419]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  237.594436]  ? zap_class+0x640/0x640
[  237.598162]  ? print_usage_bug+0xc0/0xc0
[  237.602221]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  237.607423]  ? find_held_lock+0x36/0x1c0
[  237.611487]  ? zap_class+0x640/0x640
[  237.615202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.620737]  ? check_preemption_disabled+0x48/0x280
[  237.625756]  ? __lock_is_held+0xb5/0x140
[  237.629822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.635908]  ? check_preemption_disabled+0x48/0x280
[  237.640929]  run_timer_softirq+0x52/0xb0
[  237.644987]  ? rcu_read_lock_sched_held+0x14f/0x180
[  237.650003]  __do_softirq+0x308/0xb7e
[  237.653801]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  237.658291]  ? lock_downgrade+0x900/0x900
[  237.662437]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  237.667549]  ? pvclock_read_flags+0x160/0x160
[  237.672043]  ? lapic_next_event+0x5a/0x90
[  237.676191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  237.681730]  ? kvm_clock_read+0x18/0x30
[  237.685697]  ? kvm_sched_clock_read+0x9/0x20
[  237.690100]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.695635]  ? check_preemption_disabled+0x48/0x280
[  237.700658]  irq_exit+0x17f/0x1c0
[  237.704107]  smp_apic_timer_interrupt+0x1cb/0x760
[  237.708946]  ? smp_call_function_single_interrupt+0x159/0x650
[  237.714825]  ? smp_call_function_single_interrupt+0x650/0x650
[  237.720704]  ? interrupt_entry+0xb5/0xc0
[  237.724761]  ? trace_hardirqs_off_caller+0xbb/0x310
[  237.729774]  ? trace_hardirqs_off_caller+0xbb/0x310
[  237.734785]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.739630]  ? trace_hardirqs_on_caller+0x310/0x310
[  237.744640]  ? trace_hardirqs_on_caller+0x310/0x310
[  237.749660]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  237.754504]  apic_timer_interrupt+0xf/0x20
[  237.758726]  </IRQ>
[  237.760958] RIP: 0010:write_comp_data+0xd/0x70
[  237.765542] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  237.784436] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  237.792136] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  237.799395] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  237.806656] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  237.813919] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  237.821268] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  237.828545]  ? list_lru_count_one+0x36d/0x450
[  237.833042]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  237.838400]  list_lru_count_one+0x36d/0x450
[  237.842716]  ? list_lru_isolate_move+0x3c0/0x3c0
[  237.847467]  ? shmem_free_inode+0xd0/0xd0
[  237.851615]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  237.857146]  ? ubifs_shrink_count+0xc4/0x100
[  237.861561]  super_cache_count+0x1b9/0x2e0
[  237.865801]  do_shrink_slab+0x1b1/0xd30
[  237.869774]  ? lock_acquire+0x1ed/0x520
[  237.873745]  ? snapshot_refaults+0x290/0x290
[  237.878261]  ? lock_release+0xa00/0xa00
[  237.882234]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  237.887164]  ? down_read_trylock+0xda/0x140
[  237.891476]  ? shrink_slab+0x207/0x8c0
[  237.895363]  ? downgrade_write+0x270/0x270
[  237.899604]  shrink_slab+0x389/0x8c0
[  237.903315]  ? shrink_active_list+0x1f00/0x1f00
[  237.907999]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  237.913625]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  237.918729]  ? cgroup_procs_write_finish+0xf0/0xf0
[  237.923659]  ? find_held_lock+0x36/0x1c0
[  237.927721]  shrink_node+0x431/0x16b0
[  237.931517]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  237.936808]  ? shrink_node_memcg+0x18f0/0x18f0
[  237.941393]  ? kvm_clock_read+0x18/0x30
[  237.945364]  ? ktime_get+0x2c1/0x400
[  237.949076]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  237.953569]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  237.959104]  ? __cpuset_node_allowed+0x19b/0x660
[  237.963855]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  237.969560]  ? delayacct_end+0x5a/0x100
[  237.973562]  do_try_to_free_pages+0x3e7/0x1290
[  237.978141]  ? zap_class+0x640/0x640
[  237.981861]  ? shrink_node+0x16b0/0x16b0
[  237.985917]  ? __lock_is_held+0xb5/0x140
[  237.989984]  try_to_free_pages+0x4d0/0xb90
[  237.994217]  ? do_try_to_free_pages+0x1290/0x1290
[  237.999074]  ? lock_acquire+0x1ed/0x520
[  238.003042]  ? set_page_refcounted+0x280/0x280
[  238.007628]  ? lock_release+0xa00/0xa00
[  238.011605]  ? _raw_spin_unlock_irq+0x60/0x80
[  238.016094]  ? psi_memstall_enter+0x240/0x2b0
[  238.020590]  ? psi_memstall_tick+0x230/0x230
[  238.025006]  __alloc_pages_slowpath+0xa14/0x2e10
[  238.029783]  ? warn_alloc+0x120/0x120
[  238.033586]  ? mark_held_locks+0x130/0x130
[  238.037824]  ? find_get_entry+0xaae/0x1120
[  238.042060]  ? filemap_map_pages+0x1a20/0x1a20
[  238.046642]  ? zap_class+0x640/0x640
[  238.050355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.055887]  ? check_preemption_disabled+0x48/0x280
[  238.060900]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.066437]  ? should_fail+0x22d/0xd01
[  238.070333]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.075431]  ? zap_class+0x640/0x640
[  238.079165]  ? __lock_is_held+0xb5/0x140
[  238.083225]  ? mark_held_locks+0x130/0x130
[  238.087461]  ? lock_release+0xa00/0xa00
[  238.091431]  ? perf_trace_sched_process_exec+0x860/0x860
[  238.096876]  ? xa_load+0x2ba/0x460
[  238.100412]  ? lock_downgrade+0x900/0x900
[  238.104558]  ? __might_sleep+0x95/0x190
[  238.108532]  __alloc_pages_nodemask+0xa80/0xde0
[  238.113201]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  238.118212]  ? __page_cache_alloc+0x191/0x5c0
[  238.122713]  ? xa_load+0x2e1/0x460
[  238.126253]  ? xa_clear_mark+0x40/0x40
[  238.130133]  ? zap_class+0x640/0x640
[  238.133848]  ? zap_class+0x640/0x640
[  238.137556]  ? zap_class+0x640/0x640
[  238.141270]  ? __do_page_cache_readahead+0x663/0x810
[  238.146384]  ? find_held_lock+0x36/0x1c0
[  238.150442]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  238.155980]  alloc_pages_current+0x173/0x350
[  238.160393]  __page_cache_alloc+0x38c/0x5c0
[  238.165230]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  238.170154]  ? kasan_check_read+0x11/0x20
[  238.174294]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  238.179578]  ? generic_perform_write+0x6a0/0x6a0
[  238.184335]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.189867]  ? check_preemption_disabled+0x48/0x280
[  238.194886]  filemap_fault+0x1595/0x25f0
[  238.198952]  ? __lock_page_or_retry+0xa00/0xa00
[  238.203619]  ? mark_held_locks+0x130/0x130
[  238.207856]  ? filemap_map_pages+0xd6b/0x1a20
[  238.212347]  ? lock_downgrade+0x900/0x900
[  238.216489]  ? check_preemption_disabled+0x48/0x280
[  238.221502]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  238.226428]  ? kasan_check_read+0x11/0x20
[  238.230580]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  238.235850]  ? rcu_softirq_qs+0x20/0x20
[  238.239830]  ? filemap_map_pages+0xd92/0x1a20
[  238.244337]  ? find_get_entries_tag+0x1400/0x1400
[  238.249182]  ? debug_object_destroy+0x2b0/0x2b0
[  238.253848]  ? lock_pi_update_atomic+0x150/0x150
[  238.258597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.264161]  ? lock_acquire+0x1ed/0x520
[  238.268136]  ? ext4_filemap_fault+0x7a/0xad
[  238.272458]  ? lock_release+0xa00/0xa00
[  238.276427]  ? perf_trace_sched_process_exec+0x860/0x860
[  238.281873]  ? print_usage_bug+0xc0/0xc0
[  238.285938]  ? print_usage_bug+0xc0/0xc0
[  238.290006]  ? down_read+0x8d/0x120
[  238.293634]  ? ext4_filemap_fault+0x7a/0xad
[  238.297964]  ? __down_interruptible+0x700/0x700
[  238.302645]  ext4_filemap_fault+0x82/0xad
[  238.306802]  __do_fault+0x100/0x6b0
[  238.310427]  ? pmd_devmap_trans_unstable+0x220/0x220
[  238.315534]  ? mark_held_locks+0x130/0x130
[  238.319770]  ? mark_held_locks+0x130/0x130
[  238.324000]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  238.329273]  ? rcu_softirq_qs+0x20/0x20
[  238.333252]  ? kasan_check_write+0x14/0x20
[  238.337485]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.343024]  __handle_mm_fault+0x3ea0/0x5be0
[  238.347435]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  238.352276]  ? aa_path_link+0x5e0/0x5e0
[  238.356258]  ? ksys_dup3+0x680/0x680
[  238.359995]  ? zap_class+0x640/0x640
[  238.363702]  ? zap_class+0x640/0x640
[  238.367408]  ? __x64_sys_futex+0x53e/0x6a0
[  238.371640]  ? find_held_lock+0x36/0x1c0
[  238.375709]  ? handle_mm_fault+0x42a/0xc70
[  238.379946]  ? lock_downgrade+0x900/0x900
[  238.384090]  ? check_preemption_disabled+0x48/0x280
[  238.389107]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  238.394035]  ? kasan_check_read+0x11/0x20
[  238.398176]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  238.403451]  ? rcu_softirq_qs+0x20/0x20
[  238.407426]  ? trace_hardirqs_off_caller+0x310/0x310
[  238.412528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.418063]  ? check_preemption_disabled+0x48/0x280
[  238.423084]  handle_mm_fault+0x54f/0xc70
[  238.427155]  ? __handle_mm_fault+0x5be0/0x5be0
[  238.431734]  ? find_vma+0x34/0x190
[  238.435279]  __do_page_fault+0x5e8/0xe60
[  238.439341]  ? trace_hardirqs_off+0xb8/0x310
[  238.443752]  do_page_fault+0xf2/0x7e0
[  238.447553]  ? vmalloc_sync_all+0x30/0x30
[  238.451697]  ? error_entry+0x70/0xd0
[  238.455408]  ? trace_hardirqs_off_caller+0xbb/0x310
[  238.460417]  ? trace_hardirqs_on_caller+0xc0/0x310
[  238.465347]  ? syscall_return_slowpath+0x5e0/0x5e0
[  238.470270]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.475116]  ? trace_hardirqs_on_caller+0x310/0x310
[  238.480139]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  238.485591]  ? prepare_exit_to_usermode+0x291/0x3b0
[  238.490608]  ? page_fault+0x8/0x30
[  238.494143]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  238.498980]  ? page_fault+0x8/0x30
[  238.502519]  page_fault+0x1e/0x30
[  238.505966] RIP: 0033:0x40f9c0
[  238.509171] Code: Bad RIP value.
[  238.512530] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  238.517889] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  238.525153] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  238.532413] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  238.539675] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  238.546938] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  238.554235] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  238.554239] warn_alloc_show_mem: 1 callbacks suppressed
[  238.554246] Mem-Info:
[  238.561520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  238.566888] active_anon:51741 inactive_anon:192 isolated_anon:0
[  238.566888]  active_file:28 inactive_file:10 isolated_file:0
[  238.566888]  unevictable:0 dirty:0 writeback:0 unstable:0
[  238.566888]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  238.566888]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  238.566888]  free:13684 free_pcp:150 free_cma:0
[  238.569259] Call Trace:
[  238.578637] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  238.611477]  <IRQ>
[  238.614041] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  238.641620]  dump_stack+0x244/0x39d
[  238.643739] lowmem_reserve[]: 0 2818 6321 6321
[  238.669840]  ? dump_stack_print_info.cold.1+0x20/0x20
[  238.673434] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  238.678021]  warn_alloc.cold.116+0xb7/0x1bd
[  238.683163] lowmem_reserve[]: 0 0 3503 3503
[  238.710744]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  238.715037] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  238.719361]  ? lock_downgrade+0x900/0x900
[  238.724166] lowmem_reserve[]: 0 0 0 0
[  238.753049]  ? trace_hardirqs_off+0xb8/0x310
[  238.757159] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  238.760951]  ? trace_hardirqs_off+0xb8/0x310
[  238.765329] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  238.778843]  __alloc_pages_slowpath+0x26e8/0x2e10
[  238.783223] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  238.798988]  ? warn_alloc+0x120/0x120
[  238.803789] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  238.819036]  ? print_usage_bug+0xc0/0xc0
[  238.822804] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  238.822812] 281 total pagecache pages
[  238.831631]  ? warn_alloc+0x120/0x120
[  238.835673] 0 pages in swap cache
[  238.844227]  ? warn_alloc+0x120/0x120
[  238.848002] Swap cache stats: add 0, delete 0, find 0/0
[  238.851789]  ? print_usage_bug+0xc0/0xc0
[  238.855211] Free swap  = 0kB
[  238.858998]  ? kvm_clock_read+0x18/0x30
[  238.864327] Total swap = 0kB
[  238.864335] 1965979 pages RAM
[  238.868381]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  238.871371] 0 pages HighMem/MovableOnly
[  238.875333]  ? print_usage_bug+0xc0/0xc0
[  238.878316] 342854 pages reserved
[  238.878323] 0 pages cma reserved
[  238.881419]  ? __lock_acquire+0x62f/0x4c20
[  238.886476] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  238.890368]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  238.890384]  ? should_fail+0x22d/0xd01
[  238.890400]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  238.894579] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  238.897960]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.901295] syz-fuzzer cpuset=/ mems_allowed=0
[  238.905511]  ? __lock_acquire+0x62f/0x4c20
[  238.905528]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  238.956002]  ? __lock_acquire+0x62f/0x4c20
[  238.960231]  ? should_fail+0x22d/0xd01
[  238.964121]  ? rcu_irq_exit+0x1a2/0x390
[  238.968114]  ? mark_held_locks+0x130/0x130
[  238.972359]  ? mark_held_locks+0x130/0x130
[  238.976599]  ? mark_held_locks+0xc7/0x130
[  238.980744]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  238.985761]  ? zap_class+0x640/0x640
[  238.989469]  ? print_usage_bug+0xc0/0xc0
[  238.993530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  238.999067]  ? check_preemption_disabled+0x48/0x280
[  239.004087]  ? __lock_is_held+0xb5/0x140
[  239.008152]  __alloc_pages_nodemask+0xa80/0xde0
[  239.012816]  ? zap_class+0x640/0x640
[  239.016530]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  239.021559]  ? find_held_lock+0x36/0x1c0
[  239.025622]  ? ____cache_alloc_node+0x1c7/0x1e0
[  239.030290]  ? lock_downgrade+0x900/0x900
[  239.034437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.039976]  cache_grow_begin+0xa5/0x8c0
[  239.044037]  ? do_raw_spin_unlock+0xa7/0x330
[  239.048447]  fallback_alloc+0x204/0x2e0
[  239.052421]  ____cache_alloc_node+0x1c7/0x1e0
[  239.056919]  kmem_cache_alloc_node+0xe3/0x730
[  239.061411]  ? ipv6_get_ifaddr+0x42e/0x620
[  239.065649]  __alloc_skb+0x119/0x770
[  239.069360]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  239.074638]  ? netdev_alloc_frag+0x1f0/0x1f0
[  239.079044]  ? lock_downgrade+0x900/0x900
[  239.083195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.088735]  ? refcount_sub_and_test_checked+0x203/0x310
[  239.094183]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  239.099629]  ? addrconf_rs_timer+0x690/0x690
[  239.104043]  ndisc_alloc_skb+0x144/0x340
[  239.108104]  ndisc_send_rs+0x331/0x6e0
[  239.111996]  addrconf_rs_timer+0x314/0x690
[  239.116241]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.120484]  call_timer_fn+0x272/0x920
[  239.124370]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.128599]  ? process_timeout+0x40/0x40
[  239.132666]  ? __run_timers+0x7da/0xc70
[  239.136641]  ? _raw_spin_unlock_irq+0x27/0x80
[  239.141130]  ? _raw_spin_unlock_irq+0x27/0x80
[  239.145618]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.149847]  ? lockdep_hardirqs_on+0x296/0x5b0
[  239.154428]  ? trace_hardirqs_on+0xbd/0x310
[  239.158743]  ? kasan_check_read+0x11/0x20
[  239.162883]  ? __run_timers+0x7da/0xc70
[  239.166870]  ? trace_hardirqs_off_caller+0x310/0x310
[  239.171977]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.176210]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.180452]  __run_timers+0x7e5/0xc70
[  239.184258]  ? timer_fixup_init+0x70/0x70
[  239.188402]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  239.193416]  ? zap_class+0x640/0x640
[  239.197127]  ? enqueue_hrtimer+0x1a5/0x560
[  239.201359]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  239.206548]  ? find_held_lock+0x36/0x1c0
[  239.210610]  ? zap_class+0x640/0x640
[  239.214334]  ? pvclock_read_flags+0x160/0x160
[  239.218830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.224364]  ? check_preemption_disabled+0x48/0x280
[  239.229383]  ? __lock_is_held+0xb5/0x140
[  239.233453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.238988]  ? check_preemption_disabled+0x48/0x280
[  239.244006]  run_timer_softirq+0x52/0xb0
[  239.248062]  ? rcu_read_lock_sched_held+0x14f/0x180
[  239.253088]  __do_softirq+0x308/0xb7e
[  239.256886]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  239.261374]  ? lock_downgrade+0x900/0x900
[  239.265519]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  239.270623]  ? pvclock_read_flags+0x160/0x160
[  239.275116]  ? lapic_next_event+0x5a/0x90
[  239.279265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.284802]  ? kvm_clock_read+0x18/0x30
[  239.288775]  ? kvm_sched_clock_read+0x9/0x20
[  239.293183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.298726]  ? check_preemption_disabled+0x48/0x280
[  239.303747]  irq_exit+0x17f/0x1c0
[  239.307195]  smp_apic_timer_interrupt+0x1cb/0x760
[  239.312042]  ? smp_reschedule_interrupt+0x109/0x650
[  239.317058]  ? smp_call_function_single_interrupt+0x650/0x650
[  239.322937]  ? interrupt_entry+0xb5/0xc0
[  239.327003]  ? trace_hardirqs_off_caller+0xbb/0x310
[  239.332015]  ? trace_hardirqs_off_caller+0xbb/0x310
[  239.337027]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.341865]  ? trace_hardirqs_on_caller+0x310/0x310
[  239.346879]  ? trace_hardirqs_on_caller+0x310/0x310
[  239.351888]  ? task_prio+0x50/0x50
[  239.355427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.360968]  ? check_preemption_disabled+0x48/0x280
[  239.365985]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.370828]  apic_timer_interrupt+0xf/0x20
[  239.375054]  </IRQ>
[  239.377290] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  239.382231] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  239.401123] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  239.408825] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  239.416085] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  239.423349] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  239.430613] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  239.437878] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  239.445180]  skb_clone+0x1bb/0x500
[  239.448736]  ? finish_task_switch+0x1b4/0x910
[  239.453228]  ? skb_split+0x11e0/0x11e0
[  239.457115]  ? preempt_notifier_register+0x200/0x200
[  239.462216]  ? __switch_to_asm+0x34/0x70
[  239.466268]  ? __switch_to_asm+0x34/0x70
[  239.470321]  ? __switch_to_asm+0x40/0x70
[  239.474373]  ? __switch_to_asm+0x34/0x70
[  239.478439]  ? __switch_to_asm+0x40/0x70
[  239.482491]  ? __switch_to_asm+0x34/0x70
[  239.486546]  ? __switch_to_asm+0x40/0x70
[  239.490600]  ? __switch_to_asm+0x34/0x70
[  239.494655]  ? __switch_to_asm+0x34/0x70
[  239.498706]  ? __switch_to_asm+0x40/0x70
[  239.502762]  ? __switch_to_asm+0x34/0x70
[  239.506827]  bpf_clone_redirect+0xb9/0x490
[  239.511055]  ? __schedule+0x8d7/0x21d0
[  239.514946]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  239.519966]  ? __sched_text_start+0x8/0x8
[  239.524111]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  239.528692]  ? retint_kernel+0x2d/0x2d
[  239.532578]  ? trace_hardirqs_on_caller+0xc0/0x310
[  239.537519]  ? find_held_lock+0x36/0x1c0
[  239.541584]  ? lock_acquire+0x1ed/0x520
[  239.545558]  ? bpf_test_run+0x3cb/0x780
[  239.549534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.555069]  ? check_preemption_disabled+0x48/0x280
[  239.560086]  ? kasan_check_read+0x11/0x20
[  239.564232]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  239.569508]  ? rcu_softirq_qs+0x20/0x20
[  239.573480]  ? preempt_schedule+0x4d/0x60
[  239.577626]  ? ___preempt_schedule+0x16/0x18
[  239.582036]  ? bpf_test_run+0x25d/0x780
[  239.586013]  ? netlink_diag_dump+0x2a0/0x2a0
[  239.590417]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.595952]  ? bpf_test_init.isra.10+0x70/0x100
[  239.600620]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  239.605402]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  239.610241]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  239.615777]  ? fput+0x130/0x1a0
[  239.619057]  ? __bpf_prog_get+0x9b/0x290
[  239.623114]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  239.627954]  ? bpf_prog_test_run+0x130/0x1a0
[  239.632718]  ? __x64_sys_bpf+0x3d8/0x520
[  239.636775]  ? bpf_prog_get+0x20/0x20
[  239.640589]  ? do_syscall_64+0x1b9/0x820
[  239.644644]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  239.650005]  ? syscall_return_slowpath+0x5e0/0x5e0
[  239.654936]  ? trace_hardirqs_on_caller+0x310/0x310
[  239.659950]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  239.664962]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  239.671624]  ? __switch_to_asm+0x40/0x70
[  239.675680]  ? __switch_to_asm+0x34/0x70
[  239.679740]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  239.684583]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  239.689960] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  239.690061] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  239.696969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  239.696976] Call Trace:
[  239.703540] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  239.712787]  <IRQ>
[  239.715363] syz-executor2 cpuset=syz2 mems_allowed=0
[  239.725844]  dump_stack+0x244/0x39d
[  239.736677]  ? dump_stack_print_info.cold.1+0x20/0x20
[  239.741875]  warn_alloc.cold.116+0xb7/0x1bd
[  239.746201]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  239.751044]  ? lock_downgrade+0x900/0x900
[  239.755199]  ? trace_hardirqs_off+0xb8/0x310
[  239.759615]  ? trace_hardirqs_off+0xb8/0x310
[  239.764026]  __alloc_pages_slowpath+0x26e8/0x2e10
[  239.768892]  ? warn_alloc+0x120/0x120
[  239.772703]  ? print_usage_bug+0xc0/0xc0
[  239.776764]  ? warn_alloc+0x120/0x120
[  239.780564]  ? warn_alloc+0x120/0x120
[  239.784360]  ? print_usage_bug+0xc0/0xc0
[  239.788424]  ? print_usage_bug+0xc0/0xc0
[  239.792495]  ? __lock_acquire+0x62f/0x4c20
[  239.796737]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  239.802291]  ? should_fail+0x22d/0xd01
[  239.806188]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.811288]  ? __lock_acquire+0x62f/0x4c20
[  239.815522]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  239.820619]  ? __lock_acquire+0x62f/0x4c20
[  239.824849]  ? should_fail+0x22d/0xd01
[  239.828733]  ? find_held_lock+0x36/0x1c0
[  239.832799]  ? mark_held_locks+0x130/0x130
[  239.837035]  ? mark_held_locks+0x130/0x130
[  239.841266]  ? zap_class+0x640/0x640
[  239.844975]  ? zap_class+0x640/0x640
[  239.848690]  ? print_usage_bug+0xc0/0xc0
[  239.852747]  ? do_raw_spin_unlock+0xa7/0x330
[  239.857251]  ? zap_class+0x640/0x640
[  239.860963]  ? print_usage_bug+0xc0/0xc0
[  239.865017]  ? wq_watchdog_touch+0x9c/0xfe
[  239.869252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.874811]  ? check_preemption_disabled+0x48/0x280
[  239.879830]  ? __lock_is_held+0xb5/0x140
[  239.883893]  __alloc_pages_nodemask+0xa80/0xde0
[  239.888559]  ? zap_class+0x640/0x640
[  239.892277]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  239.897299]  ? find_held_lock+0x36/0x1c0
[  239.901367]  ? ____cache_alloc_node+0x1c7/0x1e0
[  239.906030]  ? lock_downgrade+0x900/0x900
[  239.910191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.915728]  cache_grow_begin+0xa5/0x8c0
[  239.919785]  ? do_raw_spin_unlock+0xa7/0x330
[  239.924196]  fallback_alloc+0x204/0x2e0
[  239.928176]  ____cache_alloc_node+0x1c7/0x1e0
[  239.932670]  kmem_cache_alloc_node+0xe3/0x730
[  239.937185]  ? ipv6_get_ifaddr+0x42e/0x620
[  239.941431]  __alloc_skb+0x119/0x770
[  239.945139]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  239.950425]  ? netdev_alloc_frag+0x1f0/0x1f0
[  239.954833]  ? lock_downgrade+0x900/0x900
[  239.958982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  239.964517]  ? refcount_sub_and_test_checked+0x203/0x310
[  239.969972]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  239.975426]  ? addrconf_rs_timer+0x690/0x690
[  239.979842]  ndisc_alloc_skb+0x144/0x340
[  239.983907]  ndisc_send_rs+0x331/0x6e0
[  239.987799]  addrconf_rs_timer+0x314/0x690
[  239.992034]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  239.996275]  call_timer_fn+0x272/0x920
[  240.000174]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.004426]  ? process_timeout+0x40/0x40
[  240.008492]  ? mark_held_locks+0xc7/0x130
[  240.012641]  ? _raw_spin_unlock_irq+0x27/0x80
[  240.017135]  ? _raw_spin_unlock_irq+0x27/0x80
[  240.021634]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.025867]  ? lockdep_hardirqs_on+0x296/0x5b0
[  240.030449]  ? trace_hardirqs_on+0xbd/0x310
[  240.034765]  ? kasan_check_read+0x11/0x20
[  240.038908]  ? __run_timers+0x7da/0xc70
[  240.042884]  ? trace_hardirqs_off_caller+0x310/0x310
[  240.047992]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.052228]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  240.056459]  __run_timers+0x7e5/0xc70
[  240.060264]  ? timer_fixup_init+0x70/0x70
[  240.064413]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  240.069428]  ? zap_class+0x640/0x640
[  240.073150]  ? print_usage_bug+0xc0/0xc0
[  240.077209]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  240.082405]  ? find_held_lock+0x36/0x1c0
[  240.086467]  ? zap_class+0x640/0x640
[  240.090186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.095726]  ? check_preemption_disabled+0x48/0x280
[  240.100745]  ? __lock_is_held+0xb5/0x140
[  240.104802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.110338]  ? check_preemption_disabled+0x48/0x280
[  240.115442]  run_timer_softirq+0x52/0xb0
[  240.119517]  ? rcu_read_lock_sched_held+0x14f/0x180
[  240.124541]  __do_softirq+0x308/0xb7e
[  240.128342]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  240.132846]  ? lock_downgrade+0x900/0x900
[  240.136998]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  240.142104]  ? pvclock_read_flags+0x160/0x160
[  240.146604]  ? lapic_next_event+0x5a/0x90
[  240.150753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.156296]  ? kvm_clock_read+0x18/0x30
[  240.160614]  ? kvm_sched_clock_read+0x9/0x20
[  240.165020]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.170560]  ? check_preemption_disabled+0x48/0x280
[  240.175586]  irq_exit+0x17f/0x1c0
[  240.179041]  smp_apic_timer_interrupt+0x1cb/0x760
[  240.183881]  ? smp_call_function_single_interrupt+0x159/0x650
[  240.189763]  ? smp_call_function_single_interrupt+0x650/0x650
[  240.195643]  ? interrupt_entry+0xb5/0xc0
[  240.199702]  ? trace_hardirqs_off_caller+0xbb/0x310
[  240.204713]  ? trace_hardirqs_off_caller+0xbb/0x310
[  240.209727]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.214568]  ? trace_hardirqs_on_caller+0x310/0x310
[  240.219578]  ? trace_hardirqs_on_caller+0x310/0x310
[  240.224599]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.229456]  apic_timer_interrupt+0xf/0x20
[  240.233678]  </IRQ>
[  240.235914] RIP: 0010:write_comp_data+0xd/0x70
[  240.240496] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  240.259395] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  240.267099] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  240.274367] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  240.281635] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  240.288898] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  240.296164] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  240.303449]  ? list_lru_count_one+0x36d/0x450
[  240.307947]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  240.313305]  list_lru_count_one+0x36d/0x450
[  240.317623]  ? list_lru_isolate_move+0x3c0/0x3c0
[  240.322378]  ? shmem_free_inode+0xd0/0xd0
[  240.326529]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.332061]  ? ubifs_shrink_count+0xc4/0x100
[  240.336471]  super_cache_count+0x1b9/0x2e0
[  240.340706]  do_shrink_slab+0x1b1/0xd30
[  240.344680]  ? lock_acquire+0x1ed/0x520
[  240.348656]  ? snapshot_refaults+0x290/0x290
[  240.353073]  ? lock_release+0xa00/0xa00
[  240.357060]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  240.361993]  ? down_read_trylock+0xda/0x140
[  240.366319]  ? shrink_slab+0x207/0x8c0
[  240.370201]  ? downgrade_write+0x270/0x270
[  240.374444]  shrink_slab+0x389/0x8c0
[  240.378158]  ? shrink_active_list+0x1f00/0x1f00
[  240.382836]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  240.388461]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  240.393568]  ? cgroup_procs_write_finish+0xf0/0xf0
[  240.398497]  ? find_held_lock+0x36/0x1c0
[  240.402564]  shrink_node+0x431/0x16b0
[  240.406367]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  240.411674]  ? shrink_node_memcg+0x18f0/0x18f0
[  240.416258]  ? kvm_clock_read+0x18/0x30
[  240.420232]  ? ktime_get+0x2c1/0x400
[  240.423944]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  240.428442]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  240.433981]  ? __cpuset_node_allowed+0x19b/0x660
[  240.438738]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  240.444443]  ? delayacct_end+0x5a/0x100
[  240.448425]  do_try_to_free_pages+0x3e7/0x1290
[  240.453004]  ? zap_class+0x640/0x640
[  240.456728]  ? shrink_node+0x16b0/0x16b0
[  240.460785]  ? __lock_is_held+0xb5/0x140
[  240.464854]  try_to_free_pages+0x4d0/0xb90
[  240.469103]  ? do_try_to_free_pages+0x1290/0x1290
[  240.473952]  ? lock_acquire+0x1ed/0x520
[  240.477922]  ? set_page_refcounted+0x280/0x280
[  240.482507]  ? lock_release+0xa00/0xa00
[  240.486481]  ? _raw_spin_unlock_irq+0x60/0x80
[  240.491062]  ? psi_memstall_enter+0x240/0x2b0
[  240.495563]  ? psi_memstall_tick+0x230/0x230
[  240.499978]  __alloc_pages_slowpath+0xa14/0x2e10
[  240.504754]  ? warn_alloc+0x120/0x120
[  240.508549]  ? mark_held_locks+0x130/0x130
[  240.512783]  ? find_get_entry+0xaae/0x1120
[  240.517019]  ? filemap_map_pages+0x1a20/0x1a20
[  240.521602]  ? zap_class+0x640/0x640
[  240.525318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.530856]  ? check_preemption_disabled+0x48/0x280
[  240.535870]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.541426]  ? should_fail+0x22d/0xd01
[  240.545313]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  240.550413]  ? zap_class+0x640/0x640
[  240.554144]  ? __lock_is_held+0xb5/0x140
[  240.558381]  ? mark_held_locks+0x130/0x130
[  240.562612]  ? lock_release+0xa00/0xa00
[  240.566587]  ? perf_trace_sched_process_exec+0x860/0x860
[  240.572033]  ? xa_load+0x2ba/0x460
[  240.575571]  ? lock_downgrade+0x900/0x900
[  240.579718]  ? __might_sleep+0x95/0x190
[  240.583694]  __alloc_pages_nodemask+0xa80/0xde0
[  240.588369]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  240.593380]  ? __page_cache_alloc+0x191/0x5c0
[  240.597871]  ? xa_load+0x2e1/0x460
[  240.601410]  ? xa_clear_mark+0x40/0x40
[  240.605296]  ? zap_class+0x640/0x640
[  240.609013]  ? zap_class+0x640/0x640
[  240.612724]  ? zap_class+0x640/0x640
[  240.616438]  ? __do_page_cache_readahead+0x663/0x810
[  240.621543]  ? find_held_lock+0x36/0x1c0
[  240.625604]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  240.631367]  alloc_pages_current+0x173/0x350
[  240.635778]  __page_cache_alloc+0x38c/0x5c0
[  240.640106]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  240.645032]  ? kasan_check_read+0x11/0x20
[  240.649206]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  240.654479]  ? generic_perform_write+0x6a0/0x6a0
[  240.659237]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.664786]  ? check_preemption_disabled+0x48/0x280
[  240.669803]  filemap_fault+0x1595/0x25f0
[  240.673868]  ? __lock_page_or_retry+0xa00/0xa00
[  240.678541]  ? mark_held_locks+0x130/0x130
[  240.682782]  ? filemap_map_pages+0xd6b/0x1a20
[  240.687280]  ? lock_downgrade+0x900/0x900
[  240.691425]  ? check_preemption_disabled+0x48/0x280
[  240.696441]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  240.701366]  ? kasan_check_read+0x11/0x20
[  240.705512]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  240.710789]  ? rcu_softirq_qs+0x20/0x20
[  240.714771]  ? filemap_map_pages+0xd92/0x1a20
[  240.719285]  ? find_get_entries_tag+0x1400/0x1400
[  240.724125]  ? debug_object_destroy+0x2b0/0x2b0
[  240.728797]  ? lock_pi_update_atomic+0x150/0x150
[  240.733547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  240.739100]  ? lock_acquire+0x1ed/0x520
[  240.743077]  ? ext4_filemap_fault+0x7a/0xad
[  240.747403]  ? lock_release+0xa00/0xa00
[  240.751372]  ? perf_trace_sched_process_exec+0x860/0x860
[  240.756821]  ? print_usage_bug+0xc0/0xc0
[  240.760882]  ? print_usage_bug+0xc0/0xc0
[  240.764950]  ? down_read+0x8d/0x120
[  240.768570]  ? ext4_filemap_fault+0x7a/0xad
[  240.772902]  ? __down_interruptible+0x700/0x700
[  240.777575]  ext4_filemap_fault+0x82/0xad
[  240.781736]  __do_fault+0x100/0x6b0
[  240.785361]  ? pmd_devmap_trans_unstable+0x220/0x220
[  240.790466]  ? mark_held_locks+0x130/0x130
[  240.794695]  ? mark_held_locks+0x130/0x130
[  240.799400]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  240.804682]  ? rcu_softirq_qs+0x20/0x20
[  240.808657]  ? kasan_check_write+0x14/0x20
[  240.812891]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.818430]  __handle_mm_fault+0x3ea0/0x5be0
[  240.822842]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  240.827685]  ? aa_path_link+0x5e0/0x5e0
[  240.831659]  ? ksys_dup3+0x680/0x680
[  240.835387]  ? zap_class+0x640/0x640
[  240.839103]  ? zap_class+0x640/0x640
[  240.842810]  ? __x64_sys_futex+0x53e/0x6a0
[  240.847042]  ? find_held_lock+0x36/0x1c0
[  240.851112]  ? handle_mm_fault+0x42a/0xc70
[  240.855346]  ? lock_downgrade+0x900/0x900
[  240.859489]  ? check_preemption_disabled+0x48/0x280
[  240.864501]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  240.869425]  ? kasan_check_read+0x11/0x20
[  240.873569]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  240.878839]  ? rcu_softirq_qs+0x20/0x20
[  240.882823]  ? trace_hardirqs_off_caller+0x310/0x310
[  240.887926]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  240.893463]  ? check_preemption_disabled+0x48/0x280
[  240.898496]  handle_mm_fault+0x54f/0xc70
[  240.902563]  ? __handle_mm_fault+0x5be0/0x5be0
[  240.907146]  ? find_vma+0x34/0x190
[  240.910689]  __do_page_fault+0x5e8/0xe60
[  240.914744]  ? trace_hardirqs_off+0xb8/0x310
[  240.919155]  do_page_fault+0xf2/0x7e0
[  240.922955]  ? vmalloc_sync_all+0x30/0x30
[  240.927098]  ? error_entry+0x70/0xd0
[  240.930814]  ? trace_hardirqs_off_caller+0xbb/0x310
[  240.935831]  ? trace_hardirqs_on_caller+0xc0/0x310
[  240.940756]  ? syscall_return_slowpath+0x5e0/0x5e0
[  240.945684]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.950526]  ? trace_hardirqs_on_caller+0x310/0x310
[  240.955540]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  240.961010]  ? prepare_exit_to_usermode+0x291/0x3b0
[  240.966022]  ? page_fault+0x8/0x30
[  240.969564]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  240.974503]  ? page_fault+0x8/0x30
[  240.978037]  page_fault+0x1e/0x30
[  240.981491] RIP: 0033:0x40f9c0
[  240.984697] Code: Bad RIP value.
[  240.988062] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  240.993418] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  241.000684] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  241.007949] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  241.015212] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  241.022475] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  241.029762] warn_alloc_show_mem: 1 callbacks suppressed
[  241.029771] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  241.029773] Mem-Info:
[  241.029804] active_anon:51741 inactive_anon:192 isolated_anon:0
[  241.029804]  active_file:28 inactive_file:10 isolated_file:0
[  241.029804]  unevictable:0 dirty:0 writeback:0 unstable:0
[  241.029804]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  241.029804]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  241.029804]  free:13684 free_pcp:150 free_cma:0
[  241.035147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  241.042419] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  241.044807] Call Trace:
[  241.077693] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  241.087061]  <IRQ>
[  241.114625] lowmem_reserve[]: 0 2818 6321 6321
[  241.117209]  dump_stack+0x244/0x39d
[  241.143282] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  241.145431]  ? dump_stack_print_info.cold.1+0x20/0x20
[  241.149979] lowmem_reserve[]: 0 0 3503 3503
[  241.153604]  warn_alloc.cold.116+0xb7/0x1bd
[  241.181154] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  241.186339]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  241.190630] lowmem_reserve[]: 0 0 0 0
[  241.194942]  ? lock_downgrade+0x900/0x900
[  241.223808] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  241.228649]  ? trace_hardirqs_off+0xb8/0x310
[  241.232415] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  241.236557]  ? trace_hardirqs_off+0xb8/0x310
[  241.250054] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  241.254458]  __alloc_pages_slowpath+0x26e8/0x2e10
[  241.269705] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  241.274119]  ? warn_alloc+0x120/0x120
[  241.289346] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  241.294171]  ? print_usage_bug+0xc0/0xc0
[  241.302980] 281 total pagecache pages
[  241.306765]  ? warn_alloc+0x120/0x120
[  241.315406] 0 pages in swap cache
[  241.319453]  ? warn_alloc+0x120/0x120
[  241.323225] Swap cache stats: add 0, delete 0, find 0/0
[  241.327009]  ? print_usage_bug+0xc0/0xc0
[  241.330437] Free swap  = 0kB
[  241.334229]  ? kvm_clock_read+0x18/0x30
[  241.339560] Total swap = 0kB
[  241.343609]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  241.346600] 1965979 pages RAM
[  241.350561]  ? print_usage_bug+0xc0/0xc0
[  241.353549] 0 pages HighMem/MovableOnly
[  241.358552]  ? __lock_acquire+0x62f/0x4c20
[  241.361976] 342854 pages reserved
[  241.366036]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  241.369977] 0 pages cma reserved
[  241.374202]  ? should_fail+0x22d/0xd01
[  241.377693] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  241.383142]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.383160]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.386554] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  241.390371]  ? __lock_acquire+0x62f/0x4c20
[  241.397009] syz-fuzzer cpuset=/ mems_allowed=0
[  241.402285]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  241.431451]  ? __lock_acquire+0x62f/0x4c20
[  241.435694]  ? should_fail+0x22d/0xd01
[  241.439580]  ? rcu_irq_exit+0x1a2/0x390
[  241.443561]  ? mark_held_locks+0x130/0x130
[  241.447799]  ? mark_held_locks+0x130/0x130
[  241.452043]  ? mark_held_locks+0xc7/0x130
[  241.456186]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  241.461196]  ? zap_class+0x640/0x640
[  241.464910]  ? print_usage_bug+0xc0/0xc0
[  241.468976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.474531]  ? check_preemption_disabled+0x48/0x280
[  241.479553]  ? __lock_is_held+0xb5/0x140
[  241.483621]  __alloc_pages_nodemask+0xa80/0xde0
[  241.488286]  ? zap_class+0x640/0x640
[  241.492015]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  241.497048]  ? find_held_lock+0x36/0x1c0
[  241.501116]  ? ____cache_alloc_node+0x1c7/0x1e0
[  241.505798]  ? lock_downgrade+0x900/0x900
[  241.509948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.515484]  cache_grow_begin+0xa5/0x8c0
[  241.519542]  ? do_raw_spin_unlock+0xa7/0x330
[  241.524051]  fallback_alloc+0x204/0x2e0
[  241.528032]  ____cache_alloc_node+0x1c7/0x1e0
[  241.532527]  kmem_cache_alloc_node+0xe3/0x730
[  241.537030]  ? ipv6_get_ifaddr+0x42e/0x620
[  241.541273]  __alloc_skb+0x119/0x770
[  241.544985]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  241.550277]  ? netdev_alloc_frag+0x1f0/0x1f0
[  241.554683]  ? lock_downgrade+0x900/0x900
[  241.558835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.564373]  ? refcount_sub_and_test_checked+0x203/0x310
[  241.569826]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  241.575282]  ? addrconf_rs_timer+0x690/0x690
[  241.579714]  ndisc_alloc_skb+0x144/0x340
[  241.583778]  ndisc_send_rs+0x331/0x6e0
[  241.587666]  addrconf_rs_timer+0x314/0x690
[  241.591903]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.596148]  call_timer_fn+0x272/0x920
[  241.600034]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.604264]  ? process_timeout+0x40/0x40
[  241.608329]  ? __run_timers+0x7da/0xc70
[  241.612300]  ? _raw_spin_unlock_irq+0x27/0x80
[  241.616791]  ? _raw_spin_unlock_irq+0x27/0x80
[  241.621279]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.625510]  ? lockdep_hardirqs_on+0x296/0x5b0
[  241.630454]  ? trace_hardirqs_on+0xbd/0x310
[  241.634775]  ? kasan_check_read+0x11/0x20
[  241.638919]  ? __run_timers+0x7da/0xc70
[  241.642889]  ? trace_hardirqs_off_caller+0x310/0x310
[  241.647998]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.652233]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  241.656461]  __run_timers+0x7e5/0xc70
[  241.660272]  ? timer_fixup_init+0x70/0x70
[  241.664417]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  241.669433]  ? zap_class+0x640/0x640
[  241.673155]  ? enqueue_hrtimer+0x1a5/0x560
[  241.677390]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  241.682585]  ? find_held_lock+0x36/0x1c0
[  241.686647]  ? zap_class+0x640/0x640
[  241.690363]  ? pvclock_read_flags+0x160/0x160
[  241.694855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.700391]  ? check_preemption_disabled+0x48/0x280
[  241.705409]  ? __lock_is_held+0xb5/0x140
[  241.709465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.715005]  ? check_preemption_disabled+0x48/0x280
[  241.720024]  run_timer_softirq+0x52/0xb0
[  241.724082]  ? rcu_read_lock_sched_held+0x14f/0x180
[  241.729095]  __do_softirq+0x308/0xb7e
[  241.732901]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  241.737391]  ? lock_downgrade+0x900/0x900
[  241.741537]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  241.746668]  ? pvclock_read_flags+0x160/0x160
[  241.751162]  ? lapic_next_event+0x5a/0x90
[  241.755306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.760843]  ? kvm_clock_read+0x18/0x30
[  241.764813]  ? kvm_sched_clock_read+0x9/0x20
[  241.769224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.774767]  ? check_preemption_disabled+0x48/0x280
[  241.779792]  irq_exit+0x17f/0x1c0
[  241.783242]  smp_apic_timer_interrupt+0x1cb/0x760
[  241.788081]  ? smp_reschedule_interrupt+0x109/0x650
[  241.793097]  ? smp_call_function_single_interrupt+0x650/0x650
[  241.798985]  ? interrupt_entry+0xb5/0xc0
[  241.803045]  ? trace_hardirqs_off_caller+0xbb/0x310
[  241.808062]  ? trace_hardirqs_off_caller+0xbb/0x310
[  241.813077]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.817916]  ? trace_hardirqs_on_caller+0x310/0x310
[  241.822928]  ? trace_hardirqs_on_caller+0x310/0x310
[  241.827953]  ? task_prio+0x50/0x50
[  241.831498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  241.837055]  ? check_preemption_disabled+0x48/0x280
[  241.842074]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  241.846922]  apic_timer_interrupt+0xf/0x20
[  241.851147]  </IRQ>
[  241.853391] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  241.858322] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  241.877218] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  241.884924] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  241.892191] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  241.899455] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  241.906718] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  241.913990] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  241.921295]  skb_clone+0x1bb/0x500
[  241.924836]  ? finish_task_switch+0x1b4/0x910
[  241.929331]  ? skb_split+0x11e0/0x11e0
[  241.933225]  ? preempt_notifier_register+0x200/0x200
[  241.938331]  ? __switch_to_asm+0x34/0x70
[  241.942386]  ? __switch_to_asm+0x34/0x70
[  241.946441]  ? __switch_to_asm+0x40/0x70
[  241.950501]  ? __switch_to_asm+0x34/0x70
[  241.954556]  ? __switch_to_asm+0x40/0x70
[  241.958609]  ? __switch_to_asm+0x34/0x70
[  241.962663]  ? __switch_to_asm+0x40/0x70
[  241.966724]  ? __switch_to_asm+0x34/0x70
[  241.970784]  ? __switch_to_asm+0x34/0x70
[  241.974836]  ? __switch_to_asm+0x40/0x70
[  241.978893]  ? __switch_to_asm+0x34/0x70
[  241.982964]  bpf_clone_redirect+0xb9/0x490
[  241.987197]  ? __schedule+0x8d7/0x21d0
[  241.991085]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  241.996111]  ? __sched_text_start+0x8/0x8
[  242.000261]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  242.004839]  ? retint_kernel+0x2d/0x2d
[  242.008743]  ? trace_hardirqs_on_caller+0xc0/0x310
[  242.013684]  ? find_held_lock+0x36/0x1c0
[  242.017757]  ? lock_acquire+0x1ed/0x520
[  242.021732]  ? bpf_test_run+0x3cb/0x780
[  242.025724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.031259]  ? check_preemption_disabled+0x48/0x280
[  242.036279]  ? kasan_check_read+0x11/0x20
[  242.040511]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  242.045785]  ? rcu_softirq_qs+0x20/0x20
[  242.049756]  ? preempt_schedule+0x4d/0x60
[  242.053903]  ? ___preempt_schedule+0x16/0x18
[  242.058313]  ? bpf_test_run+0x25d/0x780
[  242.062295]  ? netlink_diag_dump+0x2a0/0x2a0
[  242.066728]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.072261]  ? bpf_test_init.isra.10+0x70/0x100
[  242.076930]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  242.081695]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  242.086537]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  242.092072]  ? fput+0x130/0x1a0
[  242.095348]  ? __bpf_prog_get+0x9b/0x290
[  242.099412]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  242.104252]  ? bpf_prog_test_run+0x130/0x1a0
[  242.108675]  ? __x64_sys_bpf+0x3d8/0x520
[  242.112738]  ? bpf_prog_get+0x20/0x20
[  242.116550]  ? do_syscall_64+0x1b9/0x820
[  242.120609]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  242.125979]  ? syscall_return_slowpath+0x5e0/0x5e0
[  242.130912]  ? trace_hardirqs_on_caller+0x310/0x310
[  242.135927]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  242.140950]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  242.147616]  ? __switch_to_asm+0x40/0x70
[  242.151671]  ? __switch_to_asm+0x34/0x70
[  242.155739]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.160584]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  242.165966] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  242.166046] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  242.172981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  242.172985] Call Trace:
[  242.172992]  <IRQ>
[  242.173009]  dump_stack+0x244/0x39d
[  242.173027]  ? dump_stack_print_info.cold.1+0x20/0x20
[  242.179580] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  242.188856]  warn_alloc.cold.116+0xb7/0x1bd
[  242.191402] syz-executor2 cpuset=syz2 mems_allowed=0
[  242.193539]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  242.227058]  ? lock_downgrade+0x900/0x900
[  242.231239]  ? trace_hardirqs_off+0xb8/0x310
[  242.235650]  ? trace_hardirqs_off+0xb8/0x310
[  242.240064]  __alloc_pages_slowpath+0x26e8/0x2e10
[  242.244924]  ? warn_alloc+0x120/0x120
[  242.248727]  ? print_usage_bug+0xc0/0xc0
[  242.252782]  ? warn_alloc+0x120/0x120
[  242.256580]  ? warn_alloc+0x120/0x120
[  242.260403]  ? print_usage_bug+0xc0/0xc0
[  242.264489]  ? print_usage_bug+0xc0/0xc0
[  242.268552]  ? __lock_acquire+0x62f/0x4c20
[  242.272789]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.278329]  ? should_fail+0x22d/0xd01
[  242.282222]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.287323]  ? __lock_acquire+0x62f/0x4c20
[  242.291562]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  242.296661]  ? __lock_acquire+0x62f/0x4c20
[  242.300894]  ? should_fail+0x22d/0xd01
[  242.304777]  ? find_held_lock+0x36/0x1c0
[  242.308844]  ? mark_held_locks+0x130/0x130
[  242.313083]  ? mark_held_locks+0x130/0x130
[  242.317310]  ? zap_class+0x640/0x640
[  242.321019]  ? zap_class+0x640/0x640
[  242.324729]  ? print_usage_bug+0xc0/0xc0
[  242.328788]  ? do_raw_spin_unlock+0xa7/0x330
[  242.333198]  ? zap_class+0x640/0x640
[  242.336907]  ? print_usage_bug+0xc0/0xc0
[  242.340966]  ? wq_watchdog_touch+0x9c/0xfe
[  242.345207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.350746]  ? check_preemption_disabled+0x48/0x280
[  242.355768]  ? __lock_is_held+0xb5/0x140
[  242.359830]  __alloc_pages_nodemask+0xa80/0xde0
[  242.364496]  ? zap_class+0x640/0x640
[  242.368212]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  242.373234]  ? find_held_lock+0x36/0x1c0
[  242.377305]  ? ____cache_alloc_node+0x1c7/0x1e0
[  242.381973]  ? lock_downgrade+0x900/0x900
[  242.386126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.391666]  cache_grow_begin+0xa5/0x8c0
[  242.395729]  ? do_raw_spin_unlock+0xa7/0x330
[  242.400144]  fallback_alloc+0x204/0x2e0
[  242.404120]  ____cache_alloc_node+0x1c7/0x1e0
[  242.408618]  kmem_cache_alloc_node+0xe3/0x730
[  242.413110]  ? ipv6_get_ifaddr+0x42e/0x620
[  242.417349]  __alloc_skb+0x119/0x770
[  242.421059]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  242.426337]  ? netdev_alloc_frag+0x1f0/0x1f0
[  242.430740]  ? lock_downgrade+0x900/0x900
[  242.434890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.440434]  ? refcount_sub_and_test_checked+0x203/0x310
[  242.445883]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  242.451328]  ? addrconf_rs_timer+0x690/0x690
[  242.455755]  ndisc_alloc_skb+0x144/0x340
[  242.459819]  ndisc_send_rs+0x331/0x6e0
[  242.463708]  addrconf_rs_timer+0x314/0x690
[  242.467949]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.472207]  call_timer_fn+0x272/0x920
[  242.476095]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.480328]  ? process_timeout+0x40/0x40
[  242.484396]  ? mark_held_locks+0xc7/0x130
[  242.488547]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.493039]  ? _raw_spin_unlock_irq+0x27/0x80
[  242.497530]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.501761]  ? lockdep_hardirqs_on+0x296/0x5b0
[  242.506342]  ? trace_hardirqs_on+0xbd/0x310
[  242.510659]  ? kasan_check_read+0x11/0x20
[  242.514801]  ? __run_timers+0x7da/0xc70
[  242.518773]  ? trace_hardirqs_off_caller+0x310/0x310
[  242.523878]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.528122]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  242.532351]  __run_timers+0x7e5/0xc70
[  242.536157]  ? timer_fixup_init+0x70/0x70
[  242.540310]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  242.545370]  ? zap_class+0x640/0x640
[  242.549090]  ? print_usage_bug+0xc0/0xc0
[  242.553174]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  242.558380]  ? find_held_lock+0x36/0x1c0
[  242.562468]  ? zap_class+0x640/0x640
[  242.566196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.571733]  ? check_preemption_disabled+0x48/0x280
[  242.576757]  ? __lock_is_held+0xb5/0x140
[  242.580821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.586373]  ? check_preemption_disabled+0x48/0x280
[  242.591396]  run_timer_softirq+0x52/0xb0
[  242.595472]  ? rcu_read_lock_sched_held+0x14f/0x180
[  242.600496]  __do_softirq+0x308/0xb7e
[  242.604310]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  242.608802]  ? lock_downgrade+0x900/0x900
[  242.612951]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  242.618057]  ? pvclock_read_flags+0x160/0x160
[  242.622572]  ? lapic_next_event+0x5a/0x90
[  242.626723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  242.632272]  ? kvm_clock_read+0x18/0x30
[  242.636248]  ? kvm_sched_clock_read+0x9/0x20
[  242.640656]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.646198]  ? check_preemption_disabled+0x48/0x280
[  242.651224]  irq_exit+0x17f/0x1c0
[  242.654689]  smp_apic_timer_interrupt+0x1cb/0x760
[  242.659526]  ? smp_call_function_single_interrupt+0x159/0x650
[  242.665409]  ? smp_call_function_single_interrupt+0x650/0x650
[  242.671290]  ? interrupt_entry+0xb5/0xc0
[  242.675350]  ? trace_hardirqs_off_caller+0xbb/0x310
[  242.680359]  ? trace_hardirqs_off_caller+0xbb/0x310
[  242.685371]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.690214]  ? trace_hardirqs_on_caller+0x310/0x310
[  242.695225]  ? trace_hardirqs_on_caller+0x310/0x310
[  242.700246]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  242.705103]  apic_timer_interrupt+0xf/0x20
[  242.709331]  </IRQ>
[  242.711565] RIP: 0010:write_comp_data+0xd/0x70
[  242.716145] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  242.735052] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  242.742755] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  242.750018] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  242.757279] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  242.764544] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  242.771824] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  242.779106]  ? list_lru_count_one+0x36d/0x450
[  242.783611]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  242.788969]  list_lru_count_one+0x36d/0x450
[  242.793285]  ? list_lru_isolate_move+0x3c0/0x3c0
[  242.798484]  ? shmem_free_inode+0xd0/0xd0
[  242.802659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  242.808192]  ? ubifs_shrink_count+0xc4/0x100
[  242.812605]  super_cache_count+0x1b9/0x2e0
[  242.816842]  do_shrink_slab+0x1b1/0xd30
[  242.820817]  ? lock_acquire+0x1ed/0x520
[  242.824791]  ? snapshot_refaults+0x290/0x290
[  242.829193]  ? lock_release+0xa00/0xa00
[  242.833168]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  242.838104]  ? down_read_trylock+0xda/0x140
[  242.842417]  ? shrink_slab+0x207/0x8c0
[  242.846303]  ? downgrade_write+0x270/0x270
[  242.850543]  shrink_slab+0x389/0x8c0
[  242.854256]  ? shrink_active_list+0x1f00/0x1f00
[  242.858925]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  242.864562]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  242.869666]  ? cgroup_procs_write_finish+0xf0/0xf0
[  242.874603]  ? find_held_lock+0x36/0x1c0
[  242.878671]  shrink_node+0x431/0x16b0
[  242.882470]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  242.887765]  ? shrink_node_memcg+0x18f0/0x18f0
[  242.892363]  ? kvm_clock_read+0x18/0x30
[  242.896341]  ? ktime_get+0x2c1/0x400
[  242.900055]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  242.904551]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  242.910086]  ? __cpuset_node_allowed+0x19b/0x660
[  242.914841]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  242.920575]  ? delayacct_end+0x5a/0x100
[  242.924568]  do_try_to_free_pages+0x3e7/0x1290
[  242.929166]  ? zap_class+0x640/0x640
[  242.932901]  ? shrink_node+0x16b0/0x16b0
[  242.936968]  ? __lock_is_held+0xb5/0x140
[  242.941041]  try_to_free_pages+0x4d0/0xb90
[  242.945279]  ? do_try_to_free_pages+0x1290/0x1290
[  242.950135]  ? lock_acquire+0x1ed/0x520
[  242.954115]  ? set_page_refcounted+0x280/0x280
[  242.958702]  ? lock_release+0xa00/0xa00
[  242.962677]  ? _raw_spin_unlock_irq+0x60/0x80
[  242.967170]  ? psi_memstall_enter+0x240/0x2b0
[  242.971674]  ? psi_memstall_tick+0x230/0x230
[  242.976090]  __alloc_pages_slowpath+0xa14/0x2e10
[  242.980880]  ? warn_alloc+0x120/0x120
[  242.984674]  ? mark_held_locks+0x130/0x130
[  242.988911]  ? find_get_entry+0xaae/0x1120
[  242.993247]  ? filemap_map_pages+0x1a20/0x1a20
[  242.997837]  ? zap_class+0x640/0x640
[  243.001568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.007109]  ? check_preemption_disabled+0x48/0x280
[  243.012132]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.017679]  ? should_fail+0x22d/0xd01
[  243.021590]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.026709]  ? zap_class+0x640/0x640
[  243.030504]  ? __lock_is_held+0xb5/0x140
[  243.034572]  ? mark_held_locks+0x130/0x130
[  243.038821]  ? lock_release+0xa00/0xa00
[  243.042803]  ? perf_trace_sched_process_exec+0x860/0x860
[  243.048267]  ? xa_load+0x2ba/0x460
[  243.051811]  ? lock_downgrade+0x900/0x900
[  243.055961]  ? __might_sleep+0x95/0x190
[  243.059940]  __alloc_pages_nodemask+0xa80/0xde0
[  243.064630]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  243.069648]  ? __page_cache_alloc+0x191/0x5c0
[  243.074147]  ? xa_load+0x2e1/0x460
[  243.077690]  ? xa_clear_mark+0x40/0x40
[  243.081578]  ? zap_class+0x640/0x640
[  243.085309]  ? zap_class+0x640/0x640
[  243.089018]  ? zap_class+0x640/0x640
[  243.092731]  ? __do_page_cache_readahead+0x663/0x810
[  243.097836]  ? find_held_lock+0x36/0x1c0
[  243.101906]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  243.107446]  alloc_pages_current+0x173/0x350
[  243.111865]  __page_cache_alloc+0x38c/0x5c0
[  243.116184]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  243.121108]  ? kasan_check_read+0x11/0x20
[  243.125254]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.130530]  ? generic_perform_write+0x6a0/0x6a0
[  243.135300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.140838]  ? check_preemption_disabled+0x48/0x280
[  243.145884]  filemap_fault+0x1595/0x25f0
[  243.149953]  ? __lock_page_or_retry+0xa00/0xa00
[  243.154621]  ? mark_held_locks+0x130/0x130
[  243.158868]  ? filemap_map_pages+0xd6b/0x1a20
[  243.163374]  ? lock_downgrade+0x900/0x900
[  243.167521]  ? check_preemption_disabled+0x48/0x280
[  243.172536]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  243.177459]  ? kasan_check_read+0x11/0x20
[  243.181605]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.186884]  ? rcu_softirq_qs+0x20/0x20
[  243.190873]  ? filemap_map_pages+0xd92/0x1a20
[  243.195390]  ? find_get_entries_tag+0x1400/0x1400
[  243.200233]  ? debug_object_destroy+0x2b0/0x2b0
[  243.204903]  ? lock_pi_update_atomic+0x150/0x150
[  243.209652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.215197]  ? lock_acquire+0x1ed/0x520
[  243.219165]  ? ext4_filemap_fault+0x7a/0xad
[  243.223485]  ? lock_release+0xa00/0xa00
[  243.227454]  ? perf_trace_sched_process_exec+0x860/0x860
[  243.232905]  ? print_usage_bug+0xc0/0xc0
[  243.236962]  ? print_usage_bug+0xc0/0xc0
[  243.241033]  ? down_read+0x8d/0x120
[  243.244651]  ? ext4_filemap_fault+0x7a/0xad
[  243.248977]  ? __down_interruptible+0x700/0x700
[  243.253648]  ext4_filemap_fault+0x82/0xad
[  243.257794]  __do_fault+0x100/0x6b0
[  243.261423]  ? pmd_devmap_trans_unstable+0x220/0x220
[  243.266524]  ? mark_held_locks+0x130/0x130
[  243.270759]  ? mark_held_locks+0x130/0x130
[  243.274991]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.280261]  ? rcu_softirq_qs+0x20/0x20
[  243.284237]  ? kasan_check_write+0x14/0x20
[  243.288481]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.294019]  __handle_mm_fault+0x3ea0/0x5be0
[  243.298429]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  243.303270]  ? aa_path_link+0x5e0/0x5e0
[  243.307244]  ? ksys_dup3+0x680/0x680
[  243.310968]  ? zap_class+0x640/0x640
[  243.314681]  ? zap_class+0x640/0x640
[  243.318391]  ? __x64_sys_futex+0x53e/0x6a0
[  243.322625]  ? find_held_lock+0x36/0x1c0
[  243.326688]  ? handle_mm_fault+0x42a/0xc70
[  243.330919]  ? lock_downgrade+0x900/0x900
[  243.335067]  ? check_preemption_disabled+0x48/0x280
[  243.340087]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  243.345016]  ? kasan_check_read+0x11/0x20
[  243.349157]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.354432]  ? rcu_softirq_qs+0x20/0x20
[  243.358403]  ? trace_hardirqs_off_caller+0x310/0x310
[  243.363505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.369043]  ? check_preemption_disabled+0x48/0x280
[  243.374060]  handle_mm_fault+0x54f/0xc70
[  243.378127]  ? __handle_mm_fault+0x5be0/0x5be0
[  243.382708]  ? find_vma+0x34/0x190
[  243.386249]  __do_page_fault+0x5e8/0xe60
[  243.390306]  ? trace_hardirqs_off+0xb8/0x310
[  243.394720]  do_page_fault+0xf2/0x7e0
[  243.398517]  ? vmalloc_sync_all+0x30/0x30
[  243.402664]  ? error_entry+0x70/0xd0
[  243.406375]  ? trace_hardirqs_off_caller+0xbb/0x310
[  243.411400]  ? trace_hardirqs_on_caller+0xc0/0x310
[  243.416325]  ? syscall_return_slowpath+0x5e0/0x5e0
[  243.421248]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.426093]  ? trace_hardirqs_on_caller+0x310/0x310
[  243.431107]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  243.436557]  ? prepare_exit_to_usermode+0x291/0x3b0
[  243.441567]  ? page_fault+0x8/0x30
[  243.445107]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  243.449944]  ? page_fault+0x8/0x30
[  243.453484]  page_fault+0x1e/0x30
[  243.456934] RIP: 0033:0x40f9c0
[  243.460136] Code: Bad RIP value.
[  243.463490] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  243.468852] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  243.476120] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  243.483384] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  243.490646] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  243.497912] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  243.505200] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  243.505205] warn_alloc_show_mem: 1 callbacks suppressed
[  243.505211] Mem-Info:
[  243.512488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  243.517857] active_anon:51741 inactive_anon:192 isolated_anon:0
[  243.517857]  active_file:28 inactive_file:10 isolated_file:0
[  243.517857]  unevictable:0 dirty:0 writeback:0 unstable:0
[  243.517857]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  243.517857]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  243.517857]  free:13684 free_pcp:150 free_cma:0
[  243.520230] Call Trace:
[  243.529607] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  243.562623]  <IRQ>
[  243.565194] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  243.592782]  dump_stack+0x244/0x39d
[  243.594896] lowmem_reserve[]: 0 2818 6321 6321
[  243.620998]  ? dump_stack_print_info.cold.1+0x20/0x20
[  243.624597] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  243.629179]  warn_alloc.cold.116+0xb7/0x1bd
[  243.634841] lowmem_reserve[]: 0 0 3503 3503
[  243.662434]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  243.666713] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  243.671028]  ? lock_downgrade+0x900/0x900
[  243.675832] lowmem_reserve[]: 0 0 0 0
[  243.704719]  ? trace_hardirqs_off+0xb8/0x310
[  243.708844] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  243.712638]  ? trace_hardirqs_off+0xb8/0x310
[  243.717018] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  243.730534]  __alloc_pages_slowpath+0x26e8/0x2e10
[  243.734904] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  243.750182]  ? warn_alloc+0x120/0x120
[  243.754986] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  243.770230]  ? print_usage_bug+0xc0/0xc0
[  243.774007] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  243.782832]  ? warn_alloc+0x120/0x120
[  243.786864] 281 total pagecache pages
[  243.795426]  ? warn_alloc+0x120/0x120
[  243.799202] 0 pages in swap cache
[  243.802984]  ? print_usage_bug+0xc0/0xc0
[  243.806757] Swap cache stats: add 0, delete 0, find 0/0
[  243.810213]  ? kvm_clock_read+0x18/0x30
[  243.814239] Free swap  = 0kB
[  243.819589]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  243.823532] Total swap = 0kB
[  243.826540]  ? print_usage_bug+0xc0/0xc0
[  243.831525] 1965979 pages RAM
[  243.834532]  ? __lock_acquire+0x62f/0x4c20
[  243.838563] 0 pages HighMem/MovableOnly
[  243.841752]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  243.845955] 342854 pages reserved
[  243.849917]  ? should_fail+0x22d/0xd01
[  243.855656] 0 pages cma reserved
[  243.859098]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  243.863037] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  243.866326]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.871665] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  243.878058]  ? __lock_acquire+0x62f/0x4c20
[  243.878076]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  243.883150] syz-fuzzer cpuset=/ mems_allowed=0
[  243.893355]  ? __lock_acquire+0x62f/0x4c20
[  243.893370]  ? should_fail+0x22d/0xd01
[  243.915305]  ? rcu_irq_exit+0x1a2/0x390
[  243.919281]  ? mark_held_locks+0x130/0x130
[  243.923514]  ? mark_held_locks+0x130/0x130
[  243.927754]  ? mark_held_locks+0xc7/0x130
[  243.931902]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  243.936913]  ? zap_class+0x640/0x640
[  243.940625]  ? print_usage_bug+0xc0/0xc0
[  243.944685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.950218]  ? check_preemption_disabled+0x48/0x280
[  243.955241]  ? __lock_is_held+0xb5/0x140
[  243.959306]  __alloc_pages_nodemask+0xa80/0xde0
[  243.963972]  ? zap_class+0x640/0x640
[  243.967687]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  243.972707]  ? find_held_lock+0x36/0x1c0
[  243.976796]  ? ____cache_alloc_node+0x1c7/0x1e0
[  243.981461]  ? lock_downgrade+0x900/0x900
[  243.985610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  243.991147]  cache_grow_begin+0xa5/0x8c0
[  243.995204]  ? do_raw_spin_unlock+0xa7/0x330
[  243.999613]  fallback_alloc+0x204/0x2e0
[  244.003586]  ____cache_alloc_node+0x1c7/0x1e0
[  244.008084]  kmem_cache_alloc_node+0xe3/0x730
[  244.012576]  ? ipv6_get_ifaddr+0x42e/0x620
[  244.016816]  __alloc_skb+0x119/0x770
[  244.020523]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.025807]  ? netdev_alloc_frag+0x1f0/0x1f0
[  244.030209]  ? lock_downgrade+0x900/0x900
[  244.034359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.039891]  ? refcount_sub_and_test_checked+0x203/0x310
[  244.045339]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  244.050790]  ? addrconf_rs_timer+0x690/0x690
[  244.055206]  ndisc_alloc_skb+0x144/0x340
[  244.059267]  ndisc_send_rs+0x331/0x6e0
[  244.063157]  addrconf_rs_timer+0x314/0x690
[  244.067392]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.071629]  call_timer_fn+0x272/0x920
[  244.075512]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.079743]  ? process_timeout+0x40/0x40
[  244.083816]  ? __run_timers+0x7da/0xc70
[  244.087791]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.092284]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.096781]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.101014]  ? lockdep_hardirqs_on+0x296/0x5b0
[  244.105597]  ? trace_hardirqs_on+0xbd/0x310
[  244.109913]  ? kasan_check_read+0x11/0x20
[  244.114051]  ? __run_timers+0x7da/0xc70
[  244.118025]  ? trace_hardirqs_off_caller+0x310/0x310
[  244.123129]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.127365]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.131591]  __run_timers+0x7e5/0xc70
[  244.135399]  ? timer_fixup_init+0x70/0x70
[  244.139546]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  244.144562]  ? zap_class+0x640/0x640
[  244.148279]  ? enqueue_hrtimer+0x1a5/0x560
[  244.152511]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  244.157706]  ? find_held_lock+0x36/0x1c0
[  244.161774]  ? zap_class+0x640/0x640
[  244.165485]  ? pvclock_read_flags+0x160/0x160
[  244.169993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.175545]  ? check_preemption_disabled+0x48/0x280
[  244.180564]  ? __lock_is_held+0xb5/0x140
[  244.184619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.190153]  ? check_preemption_disabled+0x48/0x280
[  244.195167]  run_timer_softirq+0x52/0xb0
[  244.199224]  ? rcu_read_lock_sched_held+0x14f/0x180
[  244.204238]  __do_softirq+0x308/0xb7e
[  244.208040]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  244.212533]  ? lock_downgrade+0x900/0x900
[  244.216680]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  244.221790]  ? pvclock_read_flags+0x160/0x160
[  244.226423]  ? lapic_next_event+0x5a/0x90
[  244.230572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.236107]  ? kvm_clock_read+0x18/0x30
[  244.240075]  ? kvm_sched_clock_read+0x9/0x20
[  244.244479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.250018]  ? check_preemption_disabled+0x48/0x280
[  244.255039]  irq_exit+0x17f/0x1c0
[  244.258491]  smp_apic_timer_interrupt+0x1cb/0x760
[  244.263350]  ? smp_reschedule_interrupt+0x109/0x650
[  244.268360]  ? smp_call_function_single_interrupt+0x650/0x650
[  244.274235]  ? interrupt_entry+0xb5/0xc0
[  244.278295]  ? trace_hardirqs_off_caller+0xbb/0x310
[  244.283306]  ? trace_hardirqs_off_caller+0xbb/0x310
[  244.288321]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.293164]  ? trace_hardirqs_on_caller+0x310/0x310
[  244.298176]  ? trace_hardirqs_on_caller+0x310/0x310
[  244.303189]  ? task_prio+0x50/0x50
[  244.306730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.312268]  ? check_preemption_disabled+0x48/0x280
[  244.317283]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.322125]  apic_timer_interrupt+0xf/0x20
[  244.326346]  </IRQ>
[  244.328580] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  244.333509] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  244.352406] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  244.360110] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  244.367370] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  244.374633] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  244.381894] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  244.389157] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  244.396463]  skb_clone+0x1bb/0x500
[  244.400005]  ? finish_task_switch+0x1b4/0x910
[  244.404504]  ? skb_split+0x11e0/0x11e0
[  244.408391]  ? preempt_notifier_register+0x200/0x200
[  244.413488]  ? __switch_to_asm+0x34/0x70
[  244.417548]  ? __switch_to_asm+0x34/0x70
[  244.421606]  ? __switch_to_asm+0x40/0x70
[  244.425661]  ? __switch_to_asm+0x34/0x70
[  244.429716]  ? __switch_to_asm+0x40/0x70
[  244.433774]  ? __switch_to_asm+0x34/0x70
[  244.437829]  ? __switch_to_asm+0x40/0x70
[  244.441885]  ? __switch_to_asm+0x34/0x70
[  244.445943]  ? __switch_to_asm+0x34/0x70
[  244.449994]  ? __switch_to_asm+0x40/0x70
[  244.454052]  ? __switch_to_asm+0x34/0x70
[  244.458116]  bpf_clone_redirect+0xb9/0x490
[  244.462349]  ? __schedule+0x8d7/0x21d0
[  244.466236]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  244.471248]  ? __sched_text_start+0x8/0x8
[  244.475393]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  244.479967]  ? retint_kernel+0x2d/0x2d
[  244.483849]  ? trace_hardirqs_on_caller+0xc0/0x310
[  244.488864]  ? find_held_lock+0x36/0x1c0
[  244.492932]  ? lock_acquire+0x1ed/0x520
[  244.496901]  ? bpf_test_run+0x3cb/0x780
[  244.500870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.506402]  ? check_preemption_disabled+0x48/0x280
[  244.511430]  ? kasan_check_read+0x11/0x20
[  244.515573]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.520848]  ? rcu_softirq_qs+0x20/0x20
[  244.524823]  ? preempt_schedule+0x4d/0x60
[  244.528968]  ? ___preempt_schedule+0x16/0x18
[  244.533380]  ? bpf_test_run+0x25d/0x780
[  244.537357]  ? netlink_diag_dump+0x2a0/0x2a0
[  244.541776]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.547311]  ? bpf_test_init.isra.10+0x70/0x100
[  244.551979]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  244.556745]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  244.561585]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  244.567119]  ? fput+0x130/0x1a0
[  244.570395]  ? __bpf_prog_get+0x9b/0x290
[  244.574452]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  244.579378]  ? bpf_prog_test_run+0x130/0x1a0
[  244.583785]  ? __x64_sys_bpf+0x3d8/0x520
[  244.587841]  ? bpf_prog_get+0x20/0x20
[  244.591651]  ? do_syscall_64+0x1b9/0x820
[  244.595705]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  244.601071]  ? syscall_return_slowpath+0x5e0/0x5e0
[  244.606002]  ? trace_hardirqs_on_caller+0x310/0x310
[  244.611014]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  244.616028]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  244.622692]  ? __switch_to_asm+0x40/0x70
[  244.626754]  ? __switch_to_asm+0x34/0x70
[  244.630829]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  244.635691]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  244.641077] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  244.641165] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  244.648088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  244.648093] Call Trace:
[  244.648099]  <IRQ>
[  244.648117]  dump_stack+0x244/0x39d
[  244.648135]  ? dump_stack_print_info.cold.1+0x20/0x20
[  244.654697] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  244.663948]  warn_alloc.cold.116+0xb7/0x1bd
[  244.666501] syz-executor2 cpuset=syz2 mems_allowed=0
[  244.668637]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  244.702101]  ? lock_downgrade+0x900/0x900
[  244.706250]  ? trace_hardirqs_off+0xb8/0x310
[  244.710658]  ? trace_hardirqs_off+0xb8/0x310
[  244.715069]  __alloc_pages_slowpath+0x26e8/0x2e10
[  244.719932]  ? warn_alloc+0x120/0x120
[  244.723735]  ? print_usage_bug+0xc0/0xc0
[  244.727792]  ? warn_alloc+0x120/0x120
[  244.731592]  ? warn_alloc+0x120/0x120
[  244.735392]  ? print_usage_bug+0xc0/0xc0
[  244.739455]  ? kvm_clock_read+0x18/0x30
[  244.743429]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  244.748439]  ? print_usage_bug+0xc0/0xc0
[  244.752497]  ? __lock_acquire+0x62f/0x4c20
[  244.756740]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  244.762270]  ? should_fail+0x22d/0xd01
[  244.766154]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.771427]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.776524]  ? __lock_acquire+0x62f/0x4c20
[  244.780757]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  244.785852]  ? __lock_acquire+0x62f/0x4c20
[  244.790082]  ? should_fail+0x22d/0xd01
[  244.793968]  ? rcu_irq_exit+0x1a2/0x390
[  244.798371]  ? mark_held_locks+0x130/0x130
[  244.802605]  ? mark_held_locks+0x130/0x130
[  244.806848]  ? mark_held_locks+0xc7/0x130
[  244.810994]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  244.816007]  ? zap_class+0x640/0x640
[  244.819721]  ? print_usage_bug+0xc0/0xc0
[  244.823789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.829322]  ? check_preemption_disabled+0x48/0x280
[  244.834342]  ? __lock_is_held+0xb5/0x140
[  244.838406]  __alloc_pages_nodemask+0xa80/0xde0
[  244.843073]  ? zap_class+0x640/0x640
[  244.846785]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  244.851806]  ? find_held_lock+0x36/0x1c0
[  244.855870]  ? ____cache_alloc_node+0x1c7/0x1e0
[  244.860535]  ? lock_downgrade+0x900/0x900
[  244.864687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.870231]  cache_grow_begin+0xa5/0x8c0
[  244.874289]  ? do_raw_spin_unlock+0xa7/0x330
[  244.878717]  fallback_alloc+0x204/0x2e0
[  244.882702]  ____cache_alloc_node+0x1c7/0x1e0
[  244.887199]  kmem_cache_alloc_node+0xe3/0x730
[  244.891700]  ? ipv6_get_ifaddr+0x42e/0x620
[  244.895941]  __alloc_skb+0x119/0x770
[  244.899663]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  244.904948]  ? netdev_alloc_frag+0x1f0/0x1f0
[  244.909355]  ? lock_downgrade+0x900/0x900
[  244.913517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  244.919053]  ? refcount_sub_and_test_checked+0x203/0x310
[  244.924515]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  244.929973]  ? addrconf_rs_timer+0x690/0x690
[  244.934391]  ndisc_alloc_skb+0x144/0x340
[  244.938449]  ndisc_send_rs+0x331/0x6e0
[  244.942338]  addrconf_rs_timer+0x314/0x690
[  244.946570]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.950812]  call_timer_fn+0x272/0x920
[  244.954701]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.958931]  ? process_timeout+0x40/0x40
[  244.963000]  ? mark_held_locks+0xc7/0x130
[  244.967143]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.971717]  ? _raw_spin_unlock_irq+0x27/0x80
[  244.976203]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  244.980432]  ? lockdep_hardirqs_on+0x296/0x5b0
[  244.985011]  ? trace_hardirqs_on+0xbd/0x310
[  244.989332]  ? kasan_check_read+0x11/0x20
[  244.993472]  ? __run_timers+0x7da/0xc70
[  244.997440]  ? trace_hardirqs_off_caller+0x310/0x310
[  245.002544]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.006778]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  245.011008]  __run_timers+0x7e5/0xc70
[  245.014826]  ? timer_fixup_init+0x70/0x70
[  245.018984]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  245.023999]  ? zap_class+0x640/0x640
[  245.027718]  ? print_usage_bug+0xc0/0xc0
[  245.031775]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  245.036966]  ? find_held_lock+0x36/0x1c0
[  245.041030]  ? zap_class+0x640/0x640
[  245.044743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.050275]  ? check_preemption_disabled+0x48/0x280
[  245.055291]  ? __lock_is_held+0xb5/0x140
[  245.059352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.064885]  ? check_preemption_disabled+0x48/0x280
[  245.069904]  run_timer_softirq+0x52/0xb0
[  245.073963]  ? rcu_read_lock_sched_held+0x14f/0x180
[  245.078975]  __do_softirq+0x308/0xb7e
[  245.082773]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  245.087265]  ? lock_downgrade+0x900/0x900
[  245.091413]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  245.096521]  ? pvclock_read_flags+0x160/0x160
[  245.101011]  ? lapic_next_event+0x5a/0x90
[  245.105155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.110699]  ? kvm_clock_read+0x18/0x30
[  245.114667]  ? kvm_sched_clock_read+0x9/0x20
[  245.119084]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.124616]  ? check_preemption_disabled+0x48/0x280
[  245.129645]  irq_exit+0x17f/0x1c0
[  245.133100]  smp_apic_timer_interrupt+0x1cb/0x760
[  245.137939]  ? smp_call_function_single_interrupt+0x159/0x650
[  245.143820]  ? smp_call_function_single_interrupt+0x650/0x650
[  245.149719]  ? interrupt_entry+0xb5/0xc0
[  245.153777]  ? trace_hardirqs_off_caller+0xbb/0x310
[  245.158787]  ? trace_hardirqs_off_caller+0xbb/0x310
[  245.163800]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.168641]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.173655]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.178689]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.183537]  apic_timer_interrupt+0xf/0x20
[  245.187761]  </IRQ>
[  245.189997] RIP: 0010:write_comp_data+0xd/0x70
[  245.194575] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  245.213466] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  245.221166] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  245.228517] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  245.235778] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  245.243042] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  245.250302] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  245.257579]  ? list_lru_count_one+0x36d/0x450
[  245.262075]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  245.267439]  list_lru_count_one+0x36d/0x450
[  245.271758]  ? list_lru_isolate_move+0x3c0/0x3c0
[  245.276508]  ? shmem_free_inode+0xd0/0xd0
[  245.280654]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.286192]  ? ubifs_shrink_count+0xc4/0x100
[  245.290602]  super_cache_count+0x1b9/0x2e0
[  245.294840]  do_shrink_slab+0x1b1/0xd30
[  245.298818]  ? lock_acquire+0x1ed/0x520
[  245.302793]  ? snapshot_refaults+0x290/0x290
[  245.307199]  ? lock_release+0xa00/0xa00
[  245.311261]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  245.316194]  ? down_read_trylock+0xda/0x140
[  245.320508]  ? shrink_slab+0x207/0x8c0
[  245.324399]  ? downgrade_write+0x270/0x270
[  245.328637]  shrink_slab+0x389/0x8c0
[  245.332352]  ? shrink_active_list+0x1f00/0x1f00
[  245.337021]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  245.342643]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  245.347757]  ? cgroup_procs_write_finish+0xf0/0xf0
[  245.352692]  ? find_held_lock+0x36/0x1c0
[  245.356755]  shrink_node+0x431/0x16b0
[  245.360551]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  245.365980]  ? shrink_node_memcg+0x18f0/0x18f0
[  245.370564]  ? kvm_clock_read+0x18/0x30
[  245.374537]  ? ktime_get+0x2c1/0x400
[  245.378261]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  245.382755]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  245.388286]  ? __cpuset_node_allowed+0x19b/0x660
[  245.393042]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  245.398748]  ? delayacct_end+0x5a/0x100
[  245.402726]  do_try_to_free_pages+0x3e7/0x1290
[  245.407298]  ? zap_class+0x640/0x640
[  245.411023]  ? shrink_node+0x16b0/0x16b0
[  245.415079]  ? __lock_is_held+0xb5/0x140
[  245.419146]  try_to_free_pages+0x4d0/0xb90
[  245.423381]  ? do_try_to_free_pages+0x1290/0x1290
[  245.428232]  ? lock_acquire+0x1ed/0x520
[  245.432209]  ? set_page_refcounted+0x280/0x280
[  245.436806]  ? lock_release+0xa00/0xa00
[  245.440789]  ? _raw_spin_unlock_irq+0x60/0x80
[  245.445280]  ? psi_memstall_enter+0x240/0x2b0
[  245.449774]  ? psi_memstall_tick+0x230/0x230
[  245.454186]  __alloc_pages_slowpath+0xa14/0x2e10
[  245.458965]  ? warn_alloc+0x120/0x120
[  245.462770]  ? mark_held_locks+0x130/0x130
[  245.467009]  ? find_get_entry+0xaae/0x1120
[  245.471246]  ? filemap_map_pages+0x1a20/0x1a20
[  245.475838]  ? zap_class+0x640/0x640
[  245.479560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.485093]  ? check_preemption_disabled+0x48/0x280
[  245.490110]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.495652]  ? should_fail+0x22d/0xd01
[  245.499541]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  245.504661]  ? zap_class+0x640/0x640
[  245.508392]  ? __lock_is_held+0xb5/0x140
[  245.512453]  ? mark_held_locks+0x130/0x130
[  245.516689]  ? lock_release+0xa00/0xa00
[  245.520670]  ? perf_trace_sched_process_exec+0x860/0x860
[  245.526114]  ? xa_load+0x2ba/0x460
[  245.529656]  ? lock_downgrade+0x900/0x900
[  245.533804]  ? __might_sleep+0x95/0x190
[  245.537782]  __alloc_pages_nodemask+0xa80/0xde0
[  245.542455]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  245.547471]  ? __page_cache_alloc+0x191/0x5c0
[  245.551961]  ? xa_load+0x2e1/0x460
[  245.555497]  ? xa_clear_mark+0x40/0x40
[  245.559384]  ? zap_class+0x640/0x640
[  245.563098]  ? zap_class+0x640/0x640
[  245.566807]  ? zap_class+0x640/0x640
[  245.570514]  ? __do_page_cache_readahead+0x663/0x810
[  245.575614]  ? find_held_lock+0x36/0x1c0
[  245.579683]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  245.585226]  alloc_pages_current+0x173/0x350
[  245.589644]  __page_cache_alloc+0x38c/0x5c0
[  245.593961]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  245.598913]  ? kasan_check_read+0x11/0x20
[  245.603067]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  245.608341]  ? generic_perform_write+0x6a0/0x6a0
[  245.613095]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.618637]  ? check_preemption_disabled+0x48/0x280
[  245.623659]  filemap_fault+0x1595/0x25f0
[  245.627724]  ? __lock_page_or_retry+0xa00/0xa00
[  245.632940]  ? mark_held_locks+0x130/0x130
[  245.637181]  ? filemap_map_pages+0xd6b/0x1a20
[  245.641673]  ? lock_downgrade+0x900/0x900
[  245.645822]  ? check_preemption_disabled+0x48/0x280
[  245.650834]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  245.655761]  ? kasan_check_read+0x11/0x20
[  245.659909]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  245.665182]  ? rcu_softirq_qs+0x20/0x20
[  245.669163]  ? filemap_map_pages+0xd92/0x1a20
[  245.673667]  ? find_get_entries_tag+0x1400/0x1400
[  245.678505]  ? debug_object_destroy+0x2b0/0x2b0
[  245.683178]  ? lock_pi_update_atomic+0x150/0x150
[  245.687929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  245.693476]  ? lock_acquire+0x1ed/0x520
[  245.697444]  ? ext4_filemap_fault+0x7a/0xad
[  245.701767]  ? lock_release+0xa00/0xa00
[  245.705733]  ? perf_trace_sched_process_exec+0x860/0x860
[  245.711181]  ? print_usage_bug+0xc0/0xc0
[  245.715242]  ? print_usage_bug+0xc0/0xc0
[  245.719325]  ? down_read+0x8d/0x120
[  245.722943]  ? ext4_filemap_fault+0x7a/0xad
[  245.727263]  ? __down_interruptible+0x700/0x700
[  245.732036]  ext4_filemap_fault+0x82/0xad
[  245.736182]  __do_fault+0x100/0x6b0
[  245.739806]  ? pmd_devmap_trans_unstable+0x220/0x220
[  245.744905]  ? mark_held_locks+0x130/0x130
[  245.749140]  ? mark_held_locks+0x130/0x130
[  245.753373]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  245.758650]  ? rcu_softirq_qs+0x20/0x20
[  245.762630]  ? kasan_check_write+0x14/0x20
[  245.766860]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.772399]  __handle_mm_fault+0x3ea0/0x5be0
[  245.776810]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  245.781653]  ? aa_path_link+0x5e0/0x5e0
[  245.785635]  ? ksys_dup3+0x680/0x680
[  245.789358]  ? zap_class+0x640/0x640
[  245.793071]  ? zap_class+0x640/0x640
[  245.796780]  ? __x64_sys_futex+0x53e/0x6a0
[  245.801013]  ? find_held_lock+0x36/0x1c0
[  245.805079]  ? handle_mm_fault+0x42a/0xc70
[  245.809314]  ? lock_downgrade+0x900/0x900
[  245.813456]  ? check_preemption_disabled+0x48/0x280
[  245.818469]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  245.823396]  ? kasan_check_read+0x11/0x20
[  245.827538]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  245.832814]  ? rcu_softirq_qs+0x20/0x20
[  245.836787]  ? trace_hardirqs_off_caller+0x310/0x310
[  245.841890]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  245.847425]  ? check_preemption_disabled+0x48/0x280
[  245.852445]  handle_mm_fault+0x54f/0xc70
[  245.856625]  ? __handle_mm_fault+0x5be0/0x5be0
[  245.861205]  ? find_vma+0x34/0x190
[  245.864749]  __do_page_fault+0x5e8/0xe60
[  245.868804]  ? trace_hardirqs_off+0xb8/0x310
[  245.873215]  do_page_fault+0xf2/0x7e0
[  245.877011]  ? vmalloc_sync_all+0x30/0x30
[  245.881330]  ? error_entry+0x70/0xd0
[  245.885040]  ? trace_hardirqs_off_caller+0xbb/0x310
[  245.890053]  ? trace_hardirqs_on_caller+0xc0/0x310
[  245.894974]  ? syscall_return_slowpath+0x5e0/0x5e0
[  245.899899]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.904740]  ? trace_hardirqs_on_caller+0x310/0x310
[  245.909749]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  245.915201]  ? prepare_exit_to_usermode+0x291/0x3b0
[  245.920210]  ? page_fault+0x8/0x30
[  245.923745]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  245.928586]  ? page_fault+0x8/0x30
[  245.932149]  page_fault+0x1e/0x30
[  245.935594] RIP: 0033:0x40f9c0
[  245.938807] Code: Bad RIP value.
[  245.942164] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  245.947521] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  245.954783] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  245.962043] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  245.969311] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  245.976573] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  245.983868] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  245.983873] warn_alloc_show_mem: 1 callbacks suppressed
[  245.983879] Mem-Info:
[  245.991147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  245.996511] active_anon:51741 inactive_anon:192 isolated_anon:0
[  245.996511]  active_file:28 inactive_file:10 isolated_file:0
[  245.996511]  unevictable:0 dirty:0 writeback:0 unstable:0
[  245.996511]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  245.996511]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  245.996511]  free:13684 free_pcp:150 free_cma:0
[  245.998880] Call Trace:
[  246.008252] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  246.041088]  <IRQ>
[  246.043652] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  246.071230]  dump_stack+0x244/0x39d
[  246.073345] lowmem_reserve[]: 0 2818 6321 6321
[  246.099716]  ? dump_stack_print_info.cold.1+0x20/0x20
[  246.103316] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  246.107895]  warn_alloc.cold.116+0xb7/0x1bd
[  246.113051] lowmem_reserve[]: 0 0 3503 3503
[  246.140638]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  246.144937] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  246.149250]  ? lock_downgrade+0x900/0x900
[  246.154065] lowmem_reserve[]: 0 0 0 0
[  246.182946]  ? trace_hardirqs_off+0xb8/0x310
[  246.187064] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  246.190862]  ? trace_hardirqs_off+0xb8/0x310
[  246.195254] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  246.208771]  __alloc_pages_slowpath+0x26e8/0x2e10
[  246.213146] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  246.228416]  ? warn_alloc+0x120/0x120
[  246.233224] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  246.248465]  ? warn_alloc+0x120/0x120
[  246.252245] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  246.261077]  ? warn_alloc+0x120/0x120
[  246.264851] 281 total pagecache pages
[  246.273410]  ? print_usage_bug+0xc0/0xc0
[  246.277194] 0 pages in swap cache
[  246.280976]  ? warn_alloc+0x120/0x120
[  246.285015] Swap cache stats: add 0, delete 0, find 0/0
[  246.288453]  ? print_usage_bug+0xc0/0xc0
[  246.292220] Free swap  = 0kB
[  246.292228] Total swap = 0kB
[  246.297590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  246.301618] 1965979 pages RAM
[  246.304626]  ? should_fail+0x22d/0xd01
[  246.307613] 0 pages HighMem/MovableOnly
[  246.313135]  ? __lock_acquire+0x62f/0x4c20
[  246.316212] 342854 pages reserved
[  246.316219] 0 pages cma reserved
[  246.320095]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.324171] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  246.328259]  ? __lock_acquire+0x62f/0x4c20
[  246.328278]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  246.328293]  ? __lock_acquire+0x62f/0x4c20
[  246.331776] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  246.335072]  ? should_fail+0x22d/0xd01
[  246.340168] syz-fuzzer cpuset=/ mems_allowed=0
[  246.346655]  ? mark_held_locks+0x130/0x130
[  246.383026]  ? mark_held_locks+0x130/0x130
[  246.387262]  ? mark_held_locks+0x130/0x130
[  246.391509]  ? zap_class+0x640/0x640
[  246.395218]  ? print_usage_bug+0xc0/0xc0
[  246.399272]  ? mark_held_locks+0x130/0x130
[  246.403523]  ? print_usage_bug+0xc0/0xc0
[  246.407589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.413140]  ? check_preemption_disabled+0x48/0x280
[  246.418160]  ? __lock_is_held+0xb5/0x140
[  246.422224]  __alloc_pages_nodemask+0xa80/0xde0
[  246.426891]  ? zap_class+0x640/0x640
[  246.430605]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  246.435629]  ? find_held_lock+0x36/0x1c0
[  246.439695]  ? ____cache_alloc_node+0x1c7/0x1e0
[  246.444361]  ? lock_downgrade+0x900/0x900
[  246.448511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.454048]  cache_grow_begin+0xa5/0x8c0
[  246.458109]  ? do_raw_spin_unlock+0xa7/0x330
[  246.462520]  fallback_alloc+0x204/0x2e0
[  246.466504]  ____cache_alloc_node+0x1c7/0x1e0
[  246.471000]  kmem_cache_alloc_node+0xe3/0x730
[  246.475492]  ? ipv6_get_ifaddr+0x42e/0x620
[  246.479733]  __alloc_skb+0x119/0x770
[  246.483529]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.488812]  ? netdev_alloc_frag+0x1f0/0x1f0
[  246.493217]  ? lock_downgrade+0x900/0x900
[  246.497371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.502903]  ? refcount_sub_and_test_checked+0x203/0x310
[  246.508355]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  246.513801]  ? addrconf_rs_timer+0x690/0x690
[  246.518217]  ndisc_alloc_skb+0x144/0x340
[  246.522281]  ndisc_send_rs+0x331/0x6e0
[  246.526171]  addrconf_rs_timer+0x314/0x690
[  246.530409]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.534651]  call_timer_fn+0x272/0x920
[  246.538533]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.542774]  ? process_timeout+0x40/0x40
[  246.546839]  ? __run_timers+0x7da/0xc70
[  246.550811]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.555303]  ? _raw_spin_unlock_irq+0x27/0x80
[  246.559794]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.564025]  ? lockdep_hardirqs_on+0x296/0x5b0
[  246.568611]  ? trace_hardirqs_on+0xbd/0x310
[  246.572930]  ? kasan_check_read+0x11/0x20
[  246.577075]  ? __run_timers+0x7da/0xc70
[  246.581046]  ? trace_hardirqs_off_caller+0x310/0x310
[  246.586162]  ? tcp_compressed_ack_kick+0x220/0x220
[  246.591095]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  246.595321]  __run_timers+0x7e5/0xc70
[  246.599145]  ? timer_fixup_init+0x70/0x70
[  246.603315]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  246.608329]  ? zap_class+0x640/0x640
[  246.612043]  ? enqueue_hrtimer+0x1a5/0x560
[  246.616276]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  246.621468]  ? find_held_lock+0x36/0x1c0
[  246.625527]  ? zap_class+0x640/0x640
[  246.629246]  ? pvclock_read_flags+0x160/0x160
[  246.633740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.639296]  ? check_preemption_disabled+0x48/0x280
[  246.644321]  ? __lock_is_held+0xb5/0x140
[  246.648379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.653928]  ? check_preemption_disabled+0x48/0x280
[  246.658943]  run_timer_softirq+0x52/0xb0
[  246.663000]  ? rcu_read_lock_sched_held+0x14f/0x180
[  246.668016]  __do_softirq+0x308/0xb7e
[  246.671819]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  246.676310]  ? lock_downgrade+0x900/0x900
[  246.680455]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  246.685570]  ? pvclock_read_flags+0x160/0x160
[  246.690066]  ? lapic_next_event+0x5a/0x90
[  246.694210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.699748]  ? kvm_clock_read+0x18/0x30
[  246.703717]  ? kvm_sched_clock_read+0x9/0x20
[  246.708124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.713658]  ? check_preemption_disabled+0x48/0x280
[  246.718679]  irq_exit+0x17f/0x1c0
[  246.722133]  smp_apic_timer_interrupt+0x1cb/0x760
[  246.726972]  ? smp_reschedule_interrupt+0x109/0x650
[  246.731984]  ? smp_call_function_single_interrupt+0x650/0x650
[  246.737864]  ? interrupt_entry+0xb5/0xc0
[  246.741923]  ? trace_hardirqs_off_caller+0xbb/0x310
[  246.746936]  ? trace_hardirqs_off_caller+0xbb/0x310
[  246.751948]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.756789]  ? trace_hardirqs_on_caller+0x310/0x310
[  246.761817]  ? trace_hardirqs_on_caller+0x310/0x310
[  246.766831]  ? task_prio+0x50/0x50
[  246.770368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.775906]  ? check_preemption_disabled+0x48/0x280
[  246.780924]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  246.785774]  apic_timer_interrupt+0xf/0x20
[  246.790003]  </IRQ>
[  246.792243] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  246.797707] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  246.816604] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  246.824305] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  246.831568] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  246.838854] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  246.846115] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  246.853379] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  246.860688]  skb_clone+0x1bb/0x500
[  246.864227]  ? finish_task_switch+0x1b4/0x910
[  246.868718]  ? skb_split+0x11e0/0x11e0
[  246.872607]  ? preempt_notifier_register+0x200/0x200
[  246.877734]  ? __switch_to_asm+0x34/0x70
[  246.881881]  ? __switch_to_asm+0x34/0x70
[  246.885933]  ? __switch_to_asm+0x40/0x70
[  246.889990]  ? __switch_to_asm+0x34/0x70
[  246.894043]  ? __switch_to_asm+0x40/0x70
[  246.898097]  ? __switch_to_asm+0x34/0x70
[  246.902168]  ? __switch_to_asm+0x40/0x70
[  246.906226]  ? __switch_to_asm+0x34/0x70
[  246.910284]  ? __switch_to_asm+0x34/0x70
[  246.914340]  ? __switch_to_asm+0x40/0x70
[  246.918392]  ? __switch_to_asm+0x34/0x70
[  246.922453]  bpf_clone_redirect+0xb9/0x490
[  246.926682]  ? __schedule+0x8d7/0x21d0
[  246.930572]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  246.935589]  ? __sched_text_start+0x8/0x8
[  246.939740]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  246.944314]  ? retint_kernel+0x2d/0x2d
[  246.948204]  ? trace_hardirqs_on_caller+0xc0/0x310
[  246.953133]  ? find_held_lock+0x36/0x1c0
[  246.957197]  ? lock_acquire+0x1ed/0x520
[  246.961174]  ? bpf_test_run+0x3cb/0x780
[  246.965146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  246.970680]  ? check_preemption_disabled+0x48/0x280
[  246.975698]  ? kasan_check_read+0x11/0x20
[  246.979842]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  246.985113]  ? rcu_softirq_qs+0x20/0x20
[  246.989084]  ? preempt_schedule+0x4d/0x60
[  246.993231]  ? ___preempt_schedule+0x16/0x18
[  246.997643]  ? bpf_test_run+0x25d/0x780
[  247.001622]  ? netlink_diag_dump+0x2a0/0x2a0
[  247.006032]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.011564]  ? bpf_test_init.isra.10+0x70/0x100
[  247.016236]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  247.020999]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  247.025837]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  247.031371]  ? fput+0x130/0x1a0
[  247.034651]  ? __bpf_prog_get+0x9b/0x290
[  247.038711]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  247.043547]  ? bpf_prog_test_run+0x130/0x1a0
[  247.047971]  ? __x64_sys_bpf+0x3d8/0x520
[  247.052043]  ? bpf_prog_get+0x20/0x20
[  247.055859]  ? do_syscall_64+0x1b9/0x820
[  247.059916]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  247.065283]  ? syscall_return_slowpath+0x5e0/0x5e0
[  247.070210]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.075226]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  247.080244]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  247.086909]  ? __switch_to_asm+0x40/0x70
[  247.090963]  ? __switch_to_asm+0x34/0x70
[  247.095022]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.099865]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  247.105243] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  247.105327] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  247.112259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  247.112264] Call Trace:
[  247.112270]  <IRQ>
[  247.112288]  dump_stack+0x244/0x39d
[  247.112306]  ? dump_stack_print_info.cold.1+0x20/0x20
[  247.118858] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  247.128127]  warn_alloc.cold.116+0xb7/0x1bd
[  247.130682] syz-executor2 cpuset=syz2 mems_allowed=0
[  247.132821]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  247.166374]  ? lock_downgrade+0x900/0x900
[  247.170528]  ? trace_hardirqs_off+0xb8/0x310
[  247.174938]  ? trace_hardirqs_off+0xb8/0x310
[  247.179349]  __alloc_pages_slowpath+0x26e8/0x2e10
[  247.184215]  ? warn_alloc+0x120/0x120
[  247.188013]  ? print_usage_bug+0xc0/0xc0
[  247.192070]  ? warn_alloc+0x120/0x120
[  247.195868]  ? warn_alloc+0x120/0x120
[  247.199665]  ? print_usage_bug+0xc0/0xc0
[  247.203725]  ? print_usage_bug+0xc0/0xc0
[  247.207789]  ? __lock_acquire+0x62f/0x4c20
[  247.212028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.217562]  ? should_fail+0x22d/0xd01
[  247.221450]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.226563]  ? __lock_acquire+0x62f/0x4c20
[  247.230798]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.235903]  ? __lock_acquire+0x62f/0x4c20
[  247.240131]  ? should_fail+0x22d/0xd01
[  247.244013]  ? find_held_lock+0x36/0x1c0
[  247.248085]  ? mark_held_locks+0x130/0x130
[  247.252320]  ? mark_held_locks+0x130/0x130
[  247.256549]  ? zap_class+0x640/0x640
[  247.260258]  ? zap_class+0x640/0x640
[  247.263967]  ? print_usage_bug+0xc0/0xc0
[  247.268025]  ? do_raw_spin_unlock+0xa7/0x330
[  247.272428]  ? zap_class+0x640/0x640
[  247.276141]  ? print_usage_bug+0xc0/0xc0
[  247.280204]  ? wq_watchdog_touch+0x9c/0xfe
[  247.284437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.289971]  ? check_preemption_disabled+0x48/0x280
[  247.294990]  ? __lock_is_held+0xb5/0x140
[  247.299055]  __alloc_pages_nodemask+0xa80/0xde0
[  247.303721]  ? zap_class+0x640/0x640
[  247.307438]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  247.312463]  ? find_held_lock+0x36/0x1c0
[  247.316633]  ? ____cache_alloc_node+0x1c7/0x1e0
[  247.321303]  ? lock_downgrade+0x900/0x900
[  247.325452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.330993]  cache_grow_begin+0xa5/0x8c0
[  247.335049]  ? do_raw_spin_unlock+0xa7/0x330
[  247.339464]  fallback_alloc+0x204/0x2e0
[  247.343449]  ____cache_alloc_node+0x1c7/0x1e0
[  247.347949]  kmem_cache_alloc_node+0xe3/0x730
[  247.352444]  ? ipv6_get_ifaddr+0x42e/0x620
[  247.356690]  __alloc_skb+0x119/0x770
[  247.360403]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  247.365678]  ? netdev_alloc_frag+0x1f0/0x1f0
[  247.370084]  ? lock_downgrade+0x900/0x900
[  247.374234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.379854]  ? refcount_sub_and_test_checked+0x203/0x310
[  247.385319]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  247.390765]  ? addrconf_rs_timer+0x690/0x690
[  247.395183]  ndisc_alloc_skb+0x144/0x340
[  247.399248]  ndisc_send_rs+0x331/0x6e0
[  247.403135]  addrconf_rs_timer+0x314/0x690
[  247.407369]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.411611]  call_timer_fn+0x272/0x920
[  247.415499]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.419733]  ? process_timeout+0x40/0x40
[  247.423803]  ? mark_held_locks+0xc7/0x130
[  247.427948]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.432437]  ? _raw_spin_unlock_irq+0x27/0x80
[  247.436950]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.441185]  ? lockdep_hardirqs_on+0x296/0x5b0
[  247.445765]  ? trace_hardirqs_on+0xbd/0x310
[  247.450097]  ? kasan_check_read+0x11/0x20
[  247.454237]  ? __run_timers+0x7da/0xc70
[  247.458210]  ? trace_hardirqs_off_caller+0x310/0x310
[  247.463313]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.467548]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  247.471777]  __run_timers+0x7e5/0xc70
[  247.475593]  ? timer_fixup_init+0x70/0x70
[  247.479743]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  247.484755]  ? zap_class+0x640/0x640
[  247.488478]  ? print_usage_bug+0xc0/0xc0
[  247.492537]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  247.497736]  ? find_held_lock+0x36/0x1c0
[  247.501798]  ? zap_class+0x640/0x640
[  247.505511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.511069]  ? check_preemption_disabled+0x48/0x280
[  247.516087]  ? __lock_is_held+0xb5/0x140
[  247.520146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.525677]  ? check_preemption_disabled+0x48/0x280
[  247.530693]  run_timer_softirq+0x52/0xb0
[  247.534752]  ? rcu_read_lock_sched_held+0x14f/0x180
[  247.539765]  __do_softirq+0x308/0xb7e
[  247.543569]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  247.548060]  ? lock_downgrade+0x900/0x900
[  247.552208]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  247.557318]  ? pvclock_read_flags+0x160/0x160
[  247.561813]  ? lapic_next_event+0x5a/0x90
[  247.565959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.571497]  ? kvm_clock_read+0x18/0x30
[  247.575476]  ? kvm_sched_clock_read+0x9/0x20
[  247.579886]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.585420]  ? check_preemption_disabled+0x48/0x280
[  247.590454]  irq_exit+0x17f/0x1c0
[  247.593903]  smp_apic_timer_interrupt+0x1cb/0x760
[  247.598744]  ? smp_call_function_single_interrupt+0x159/0x650
[  247.604634]  ? smp_call_function_single_interrupt+0x650/0x650
[  247.610512]  ? interrupt_entry+0xb5/0xc0
[  247.614570]  ? trace_hardirqs_off_caller+0xbb/0x310
[  247.619579]  ? trace_hardirqs_off_caller+0xbb/0x310
[  247.624595]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.629962]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.634972]  ? trace_hardirqs_on_caller+0x310/0x310
[  247.639994]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  247.644843]  apic_timer_interrupt+0xf/0x20
[  247.649067]  </IRQ>
[  247.651308] RIP: 0010:write_comp_data+0xd/0x70
[  247.655887] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  247.674868] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  247.682568] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  247.689831] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  247.697092] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  247.704356] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  247.711617] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  247.718894]  ? list_lru_count_one+0x36d/0x450
[  247.723390]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  247.728750]  list_lru_count_one+0x36d/0x450
[  247.733067]  ? list_lru_isolate_move+0x3c0/0x3c0
[  247.737819]  ? shmem_free_inode+0xd0/0xd0
[  247.741983]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.747516]  ? ubifs_shrink_count+0xc4/0x100
[  247.751936]  super_cache_count+0x1b9/0x2e0
[  247.756183]  do_shrink_slab+0x1b1/0xd30
[  247.760185]  ? lock_acquire+0x1ed/0x520
[  247.764161]  ? snapshot_refaults+0x290/0x290
[  247.768574]  ? lock_release+0xa00/0xa00
[  247.772549]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  247.777484]  ? down_read_trylock+0xda/0x140
[  247.781802]  ? shrink_slab+0x207/0x8c0
[  247.785690]  ? downgrade_write+0x270/0x270
[  247.789930]  shrink_slab+0x389/0x8c0
[  247.793642]  ? shrink_active_list+0x1f00/0x1f00
[  247.798314]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  247.803935]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  247.809040]  ? cgroup_procs_write_finish+0xf0/0xf0
[  247.813981]  ? find_held_lock+0x36/0x1c0
[  247.818043]  shrink_node+0x431/0x16b0
[  247.821845]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  247.827139]  ? shrink_node_memcg+0x18f0/0x18f0
[  247.831722]  ? kvm_clock_read+0x18/0x30
[  247.835697]  ? ktime_get+0x2c1/0x400
[  247.839413]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  247.843916]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  247.849457]  ? __cpuset_node_allowed+0x19b/0x660
[  247.854209]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  247.860031]  ? delayacct_end+0x5a/0x100
[  247.864008]  do_try_to_free_pages+0x3e7/0x1290
[  247.868591]  ? zap_class+0x640/0x640
[  247.872329]  ? shrink_node+0x16b0/0x16b0
[  247.876392]  ? __lock_is_held+0xb5/0x140
[  247.880470]  try_to_free_pages+0x4d0/0xb90
[  247.884716]  ? do_try_to_free_pages+0x1290/0x1290
[  247.889568]  ? lock_acquire+0x1ed/0x520
[  247.893549]  ? set_page_refcounted+0x280/0x280
[  247.898135]  ? lock_release+0xa00/0xa00
[  247.902104]  ? _raw_spin_unlock_irq+0x60/0x80
[  247.906604]  ? psi_memstall_enter+0x240/0x2b0
[  247.911097]  ? psi_memstall_tick+0x230/0x230
[  247.915514]  __alloc_pages_slowpath+0xa14/0x2e10
[  247.920290]  ? warn_alloc+0x120/0x120
[  247.924086]  ? mark_held_locks+0x130/0x130
[  247.928321]  ? find_get_entry+0xaae/0x1120
[  247.932559]  ? filemap_map_pages+0x1a20/0x1a20
[  247.937141]  ? zap_class+0x640/0x640
[  247.940856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  247.946394]  ? check_preemption_disabled+0x48/0x280
[  247.951419]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  247.956960]  ? should_fail+0x22d/0xd01
[  247.960849]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  247.965948]  ? zap_class+0x640/0x640
[  247.969683]  ? __lock_is_held+0xb5/0x140
[  247.973748]  ? mark_held_locks+0x130/0x130
[  247.977979]  ? lock_release+0xa00/0xa00
[  247.981951]  ? perf_trace_sched_process_exec+0x860/0x860
[  247.987396]  ? xa_load+0x2ba/0x460
[  247.990940]  ? lock_downgrade+0x900/0x900
[  247.995092]  ? __might_sleep+0x95/0x190
[  247.999065]  __alloc_pages_nodemask+0xa80/0xde0
[  248.003745]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  248.008764]  ? __page_cache_alloc+0x191/0x5c0
[  248.013345]  ? xa_load+0x2e1/0x460
[  248.016880]  ? xa_clear_mark+0x40/0x40
[  248.020763]  ? zap_class+0x640/0x640
[  248.024497]  ? zap_class+0x640/0x640
[  248.028207]  ? zap_class+0x640/0x640
[  248.031915]  ? __do_page_cache_readahead+0x663/0x810
[  248.037021]  ? find_held_lock+0x36/0x1c0
[  248.041094]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  248.046633]  alloc_pages_current+0x173/0x350
[  248.051046]  __page_cache_alloc+0x38c/0x5c0
[  248.055361]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  248.060285]  ? kasan_check_read+0x11/0x20
[  248.064433]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.069706]  ? generic_perform_write+0x6a0/0x6a0
[  248.074457]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.079990]  ? check_preemption_disabled+0x48/0x280
[  248.085008]  filemap_fault+0x1595/0x25f0
[  248.089079]  ? __lock_page_or_retry+0xa00/0xa00
[  248.093749]  ? mark_held_locks+0x130/0x130
[  248.097984]  ? filemap_map_pages+0xd6b/0x1a20
[  248.102477]  ? lock_downgrade+0x900/0x900
[  248.106620]  ? check_preemption_disabled+0x48/0x280
[  248.111634]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  248.116564]  ? kasan_check_read+0x11/0x20
[  248.120707]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.125979]  ? rcu_softirq_qs+0x20/0x20
[  248.129964]  ? filemap_map_pages+0xd92/0x1a20
[  248.134466]  ? find_get_entries_tag+0x1400/0x1400
[  248.139307]  ? debug_object_destroy+0x2b0/0x2b0
[  248.143976]  ? lock_pi_update_atomic+0x150/0x150
[  248.148732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.154281]  ? lock_acquire+0x1ed/0x520
[  248.158255]  ? ext4_filemap_fault+0x7a/0xad
[  248.162582]  ? lock_release+0xa00/0xa00
[  248.166552]  ? perf_trace_sched_process_exec+0x860/0x860
[  248.172002]  ? print_usage_bug+0xc0/0xc0
[  248.176061]  ? print_usage_bug+0xc0/0xc0
[  248.180127]  ? down_read+0x8d/0x120
[  248.183748]  ? ext4_filemap_fault+0x7a/0xad
[  248.188067]  ? __down_interruptible+0x700/0x700
[  248.192739]  ext4_filemap_fault+0x82/0xad
[  248.196884]  __do_fault+0x100/0x6b0
[  248.200511]  ? pmd_devmap_trans_unstable+0x220/0x220
[  248.205611]  ? mark_held_locks+0x130/0x130
[  248.209844]  ? mark_held_locks+0x130/0x130
[  248.214074]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.219346]  ? rcu_softirq_qs+0x20/0x20
[  248.223322]  ? kasan_check_write+0x14/0x20
[  248.227555]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.233097]  __handle_mm_fault+0x3ea0/0x5be0
[  248.237507]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  248.242347]  ? aa_path_link+0x5e0/0x5e0
[  248.246322]  ? ksys_dup3+0x680/0x680
[  248.250046]  ? zap_class+0x640/0x640
[  248.253761]  ? zap_class+0x640/0x640
[  248.257481]  ? __x64_sys_futex+0x53e/0x6a0
[  248.261714]  ? find_held_lock+0x36/0x1c0
[  248.265782]  ? handle_mm_fault+0x42a/0xc70
[  248.270038]  ? lock_downgrade+0x900/0x900
[  248.274188]  ? check_preemption_disabled+0x48/0x280
[  248.279206]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  248.284130]  ? kasan_check_read+0x11/0x20
[  248.288272]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.293547]  ? rcu_softirq_qs+0x20/0x20
[  248.297517]  ? trace_hardirqs_off_caller+0x310/0x310
[  248.302617]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.308157]  ? check_preemption_disabled+0x48/0x280
[  248.313179]  handle_mm_fault+0x54f/0xc70
[  248.317243]  ? __handle_mm_fault+0x5be0/0x5be0
[  248.321826]  ? find_vma+0x34/0x190
[  248.325368]  __do_page_fault+0x5e8/0xe60
[  248.329428]  ? trace_hardirqs_off+0xb8/0x310
[  248.333933]  do_page_fault+0xf2/0x7e0
[  248.337729]  ? vmalloc_sync_all+0x30/0x30
[  248.341874]  ? error_entry+0x70/0xd0
[  248.345585]  ? trace_hardirqs_off_caller+0xbb/0x310
[  248.350596]  ? trace_hardirqs_on_caller+0xc0/0x310
[  248.355522]  ? syscall_return_slowpath+0x5e0/0x5e0
[  248.360448]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.365287]  ? trace_hardirqs_on_caller+0x310/0x310
[  248.370298]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  248.375753]  ? prepare_exit_to_usermode+0x291/0x3b0
[  248.380768]  ? page_fault+0x8/0x30
[  248.384305]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  248.389145]  ? page_fault+0x8/0x30
[  248.392682]  page_fault+0x1e/0x30
[  248.396132] RIP: 0033:0x40f9c0
[  248.399339] Code: Bad RIP value.
[  248.402707] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  248.408064] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  248.415334] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  248.422608] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  248.429879] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  248.437147] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  248.444439] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  248.444443] warn_alloc_show_mem: 1 callbacks suppressed
[  248.444449] Mem-Info:
[  248.451726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  248.457090] active_anon:51741 inactive_anon:192 isolated_anon:0
[  248.457090]  active_file:28 inactive_file:10 isolated_file:0
[  248.457090]  unevictable:0 dirty:0 writeback:0 unstable:0
[  248.457090]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  248.457090]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  248.457090]  free:13684 free_pcp:150 free_cma:0
[  248.459460] Call Trace:
[  248.469026] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  248.501874]  <IRQ>
[  248.504439] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  248.532021]  dump_stack+0x244/0x39d
[  248.534135] lowmem_reserve[]: 0 2818 6321 6321
[  248.560237]  ? dump_stack_print_info.cold.1+0x20/0x20
[  248.563835] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  248.568418]  warn_alloc.cold.116+0xb7/0x1bd
[  248.573572] lowmem_reserve[]: 0 0 3503 3503
[  248.601149]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  248.605617] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  248.609935]  ? lock_downgrade+0x900/0x900
[  248.614770] lowmem_reserve[]: 0 0 0 0
[  248.643662]  ? trace_hardirqs_off+0xb8/0x310
[  248.647780] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  248.651573]  ? trace_hardirqs_off+0xb8/0x310
[  248.655954] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  248.669582]  __alloc_pages_slowpath+0x26e8/0x2e10
[  248.673963] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  248.689236]  ? warn_alloc+0x120/0x120
[  248.694040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  248.709285]  ? print_usage_bug+0xc0/0xc0
[  248.713064] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  248.721888]  ? warn_alloc+0x120/0x120
[  248.725921] 281 total pagecache pages
[  248.734485]  ? warn_alloc+0x120/0x120
[  248.738266] 0 pages in swap cache
[  248.742047]  ? print_usage_bug+0xc0/0xc0
[  248.745825] Swap cache stats: add 0, delete 0, find 0/0
[  248.749263]  ? kvm_clock_read+0x18/0x30
[  248.753295] Free swap  = 0kB
[  248.758649]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  248.762601] Total swap = 0kB
[  248.762609] 1965979 pages RAM
[  248.765616]  ? print_usage_bug+0xc0/0xc0
[  248.770612] 0 pages HighMem/MovableOnly
[  248.773637]  ? __lock_acquire+0x62f/0x4c20
[  248.776711] 342854 pages reserved
[  248.776718] 0 pages cma reserved
[  248.780770]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  248.784788] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  248.788953]  ? should_fail+0x22d/0xd01
[  248.788966]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.788984]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.792520] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  248.795766]  ? __lock_acquire+0x62f/0x4c20
[  248.801675] syz-fuzzer cpuset=/ mems_allowed=0
[  248.808177]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  248.846471]  ? __lock_acquire+0x62f/0x4c20
[  248.850701]  ? should_fail+0x22d/0xd01
[  248.854582]  ? rcu_irq_exit+0x1a2/0x390
[  248.858560]  ? mark_held_locks+0x130/0x130
[  248.862795]  ? mark_held_locks+0x130/0x130
[  248.867034]  ? mark_held_locks+0xc7/0x130
[  248.871179]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  248.876192]  ? zap_class+0x640/0x640
[  248.879901]  ? print_usage_bug+0xc0/0xc0
[  248.883965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.889499]  ? check_preemption_disabled+0x48/0x280
[  248.894520]  ? __lock_is_held+0xb5/0x140
[  248.898583]  __alloc_pages_nodemask+0xa80/0xde0
[  248.903249]  ? zap_class+0x640/0x640
[  248.906963]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  248.911985]  ? find_held_lock+0x36/0x1c0
[  248.916057]  ? ____cache_alloc_node+0x1c7/0x1e0
[  248.920730]  ? lock_downgrade+0x900/0x900
[  248.924883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.930681]  cache_grow_begin+0xa5/0x8c0
[  248.934743]  ? do_raw_spin_unlock+0xa7/0x330
[  248.939156]  fallback_alloc+0x204/0x2e0
[  248.943130]  ____cache_alloc_node+0x1c7/0x1e0
[  248.947637]  kmem_cache_alloc_node+0xe3/0x730
[  248.952134]  ? ipv6_get_ifaddr+0x42e/0x620
[  248.956375]  __alloc_skb+0x119/0x770
[  248.960089]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  248.965369]  ? netdev_alloc_frag+0x1f0/0x1f0
[  248.969773]  ? lock_downgrade+0x900/0x900
[  248.973923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  248.979464]  ? refcount_sub_and_test_checked+0x203/0x310
[  248.984915]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  248.990361]  ? addrconf_rs_timer+0x690/0x690
[  248.994789]  ndisc_alloc_skb+0x144/0x340
[  248.998849]  ndisc_send_rs+0x331/0x6e0
[  249.002738]  addrconf_rs_timer+0x314/0x690
[  249.006973]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.011215]  call_timer_fn+0x272/0x920
[  249.015101]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.019342]  ? process_timeout+0x40/0x40
[  249.023405]  ? __run_timers+0x7da/0xc70
[  249.027377]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.031865]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.036354]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.040585]  ? lockdep_hardirqs_on+0x296/0x5b0
[  249.045170]  ? trace_hardirqs_on+0xbd/0x310
[  249.049486]  ? kasan_check_read+0x11/0x20
[  249.053629]  ? __run_timers+0x7da/0xc70
[  249.057599]  ? trace_hardirqs_off_caller+0x310/0x310
[  249.062701]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.066934]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.071162]  __run_timers+0x7e5/0xc70
[  249.074968]  ? timer_fixup_init+0x70/0x70
[  249.079113]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  249.084132]  ? zap_class+0x640/0x640
[  249.087848]  ? enqueue_hrtimer+0x1a5/0x560
[  249.092084]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  249.097362]  ? find_held_lock+0x36/0x1c0
[  249.101424]  ? zap_class+0x640/0x640
[  249.105143]  ? pvclock_read_flags+0x160/0x160
[  249.109639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.115178]  ? check_preemption_disabled+0x48/0x280
[  249.120198]  ? __lock_is_held+0xb5/0x140
[  249.124254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.129796]  ? check_preemption_disabled+0x48/0x280
[  249.134815]  run_timer_softirq+0x52/0xb0
[  249.138875]  ? rcu_read_lock_sched_held+0x14f/0x180
[  249.143888]  __do_softirq+0x308/0xb7e
[  249.147688]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  249.152195]  ? lock_downgrade+0x900/0x900
[  249.156344]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  249.161455]  ? pvclock_read_flags+0x160/0x160
[  249.165948]  ? lapic_next_event+0x5a/0x90
[  249.170110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.175649]  ? kvm_clock_read+0x18/0x30
[  249.179637]  ? kvm_sched_clock_read+0x9/0x20
[  249.184044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.189681]  ? check_preemption_disabled+0x48/0x280
[  249.194702]  irq_exit+0x17f/0x1c0
[  249.198151]  smp_apic_timer_interrupt+0x1cb/0x760
[  249.203016]  ? smp_reschedule_interrupt+0x109/0x650
[  249.208031]  ? smp_call_function_single_interrupt+0x650/0x650
[  249.213923]  ? interrupt_entry+0xb5/0xc0
[  249.217983]  ? trace_hardirqs_off_caller+0xbb/0x310
[  249.223000]  ? trace_hardirqs_off_caller+0xbb/0x310
[  249.228013]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.232856]  ? trace_hardirqs_on_caller+0x310/0x310
[  249.237868]  ? trace_hardirqs_on_caller+0x310/0x310
[  249.242901]  ? task_prio+0x50/0x50
[  249.246441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.251977]  ? check_preemption_disabled+0x48/0x280
[  249.256994]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.261839]  apic_timer_interrupt+0xf/0x20
[  249.266069]  </IRQ>
[  249.268315] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  249.273243] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  249.292229] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  249.299933] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  249.307198] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  249.314465] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  249.321730] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  249.328997] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  249.336308]  skb_clone+0x1bb/0x500
[  249.339849]  ? finish_task_switch+0x1b4/0x910
[  249.344340]  ? skb_split+0x11e0/0x11e0
[  249.348224]  ? preempt_notifier_register+0x200/0x200
[  249.353336]  ? __switch_to_asm+0x34/0x70
[  249.357397]  ? __switch_to_asm+0x34/0x70
[  249.361463]  ? __switch_to_asm+0x40/0x70
[  249.365532]  ? __switch_to_asm+0x34/0x70
[  249.369607]  ? __switch_to_asm+0x40/0x70
[  249.373664]  ? __switch_to_asm+0x34/0x70
[  249.377733]  ? __switch_to_asm+0x40/0x70
[  249.381791]  ? __switch_to_asm+0x34/0x70
[  249.385849]  ? __switch_to_asm+0x34/0x70
[  249.389902]  ? __switch_to_asm+0x40/0x70
[  249.393981]  ? __switch_to_asm+0x34/0x70
[  249.398050]  bpf_clone_redirect+0xb9/0x490
[  249.402294]  ? __schedule+0x8d7/0x21d0
[  249.406198]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  249.411211]  ? __sched_text_start+0x8/0x8
[  249.415359]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  249.419935]  ? retint_kernel+0x2d/0x2d
[  249.423820]  ? trace_hardirqs_on_caller+0xc0/0x310
[  249.428749]  ? find_held_lock+0x36/0x1c0
[  249.432815]  ? lock_acquire+0x1ed/0x520
[  249.436787]  ? bpf_test_run+0x3cb/0x780
[  249.440759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.446303]  ? check_preemption_disabled+0x48/0x280
[  249.451325]  ? kasan_check_read+0x11/0x20
[  249.455469]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.460746]  ? rcu_softirq_qs+0x20/0x20
[  249.464717]  ? preempt_schedule+0x4d/0x60
[  249.468862]  ? ___preempt_schedule+0x16/0x18
[  249.473283]  ? bpf_test_run+0x25d/0x780
[  249.477287]  ? netlink_diag_dump+0x2a0/0x2a0
[  249.481696]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.487228]  ? bpf_test_init.isra.10+0x70/0x100
[  249.491912]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  249.496686]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  249.501526]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  249.507065]  ? fput+0x130/0x1a0
[  249.510358]  ? __bpf_prog_get+0x9b/0x290
[  249.514421]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  249.519257]  ? bpf_prog_test_run+0x130/0x1a0
[  249.523687]  ? __x64_sys_bpf+0x3d8/0x520
[  249.527743]  ? bpf_prog_get+0x20/0x20
[  249.531555]  ? do_syscall_64+0x1b9/0x820
[  249.535627]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  249.540993]  ? syscall_return_slowpath+0x5e0/0x5e0
[  249.545923]  ? trace_hardirqs_on_caller+0x310/0x310
[  249.550952]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  249.555965]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  249.562629]  ? __switch_to_asm+0x40/0x70
[  249.566688]  ? __switch_to_asm+0x34/0x70
[  249.570747]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  249.575715]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  249.581091] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  249.581192] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  249.588109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  249.588114] Call Trace:
[  249.588120]  <IRQ>
[  249.588138]  dump_stack+0x244/0x39d
[  249.588156]  ? dump_stack_print_info.cold.1+0x20/0x20
[  249.594679] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  249.603973]  warn_alloc.cold.116+0xb7/0x1bd
[  249.606523] syz-executor2 cpuset=syz2 mems_allowed=0
[  249.608672]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  249.642682]  ? lock_downgrade+0x900/0x900
[  249.646837]  ? trace_hardirqs_off+0xb8/0x310
[  249.651247]  ? trace_hardirqs_off+0xb8/0x310
[  249.655668]  __alloc_pages_slowpath+0x26e8/0x2e10
[  249.660538]  ? warn_alloc+0x120/0x120
[  249.664339]  ? print_usage_bug+0xc0/0xc0
[  249.668397]  ? warn_alloc+0x120/0x120
[  249.672199]  ? warn_alloc+0x120/0x120
[  249.675998]  ? print_usage_bug+0xc0/0xc0
[  249.680062]  ? print_usage_bug+0xc0/0xc0
[  249.684130]  ? __lock_acquire+0x62f/0x4c20
[  249.688368]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  249.693903]  ? should_fail+0x22d/0xd01
[  249.697794]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.702893]  ? __lock_acquire+0x62f/0x4c20
[  249.707131]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  249.712229]  ? __lock_acquire+0x62f/0x4c20
[  249.716464]  ? should_fail+0x22d/0xd01
[  249.720368]  ? mark_held_locks+0x130/0x130
[  249.724602]  ? mark_held_locks+0x130/0x130
[  249.728830]  ? zap_class+0x640/0x640
[  249.732546]  ? zap_class+0x640/0x640
[  249.736263]  ? print_usage_bug+0xc0/0xc0
[  249.740319]  ? wq_watchdog_touch+0x9c/0xfe
[  249.744555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.750090]  ? check_preemption_disabled+0x48/0x280
[  249.755113]  ? __lock_is_held+0xb5/0x140
[  249.759177]  __alloc_pages_nodemask+0xa80/0xde0
[  249.763848]  ? zap_class+0x640/0x640
[  249.767563]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  249.772601]  ? find_held_lock+0x36/0x1c0
[  249.776672]  ? ____cache_alloc_node+0x1c7/0x1e0
[  249.781340]  ? lock_downgrade+0x900/0x900
[  249.785493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.791037]  cache_grow_begin+0xa5/0x8c0
[  249.795093]  ? do_raw_spin_unlock+0xa7/0x330
[  249.799523]  fallback_alloc+0x204/0x2e0
[  249.803506]  ____cache_alloc_node+0x1c7/0x1e0
[  249.808011]  kmem_cache_alloc_node+0xe3/0x730
[  249.812517]  ? ipv6_get_ifaddr+0x42e/0x620
[  249.816773]  __alloc_skb+0x119/0x770
[  249.820484]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  249.825767]  ? netdev_alloc_frag+0x1f0/0x1f0
[  249.830173]  ? lock_downgrade+0x900/0x900
[  249.834323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.839856]  ? refcount_sub_and_test_checked+0x203/0x310
[  249.845306]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  249.850752]  ? addrconf_rs_timer+0x690/0x690
[  249.855304]  ndisc_alloc_skb+0x144/0x340
[  249.859365]  ndisc_send_rs+0x331/0x6e0
[  249.863259]  addrconf_rs_timer+0x314/0x690
[  249.867494]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.871742]  call_timer_fn+0x272/0x920
[  249.875626]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.879857]  ? process_timeout+0x40/0x40
[  249.883922]  ? mark_held_locks+0xc7/0x130
[  249.888067]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.892556]  ? _raw_spin_unlock_irq+0x27/0x80
[  249.897045]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.901278]  ? lockdep_hardirqs_on+0x296/0x5b0
[  249.905860]  ? trace_hardirqs_on+0xbd/0x310
[  249.910178]  ? kasan_check_read+0x11/0x20
[  249.914335]  ? __run_timers+0x7da/0xc70
[  249.918311]  ? trace_hardirqs_off_caller+0x310/0x310
[  249.923421]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  249.927654]  __run_timers+0x7e5/0xc70
[  249.931461]  ? timer_fixup_init+0x70/0x70
[  249.935610]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  249.940627]  ? zap_class+0x640/0x640
[  249.944340]  ? print_usage_bug+0xc0/0xc0
[  249.948399]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  249.953592]  ? find_held_lock+0x36/0x1c0
[  249.957657]  ? zap_class+0x640/0x640
[  249.961372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.966914]  ? check_preemption_disabled+0x48/0x280
[  249.971934]  ? __lock_is_held+0xb5/0x140
[  249.976009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  249.981543]  ? check_preemption_disabled+0x48/0x280
[  249.986576]  run_timer_softirq+0x52/0xb0
[  249.990635]  ? rcu_read_lock_sched_held+0x14f/0x180
[  249.995659]  __do_softirq+0x308/0xb7e
[  249.999460]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  250.003957]  ? lock_downgrade+0x900/0x900
[  250.008108]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  250.013218]  ? pvclock_read_flags+0x160/0x160
[  250.017722]  ? lapic_next_event+0x5a/0x90
[  250.021870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.027407]  ? kvm_clock_read+0x18/0x30
[  250.031381]  ? kvm_sched_clock_read+0x9/0x20
[  250.035816]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.041352]  ? check_preemption_disabled+0x48/0x280
[  250.046372]  irq_exit+0x17f/0x1c0
[  250.049824]  smp_apic_timer_interrupt+0x1cb/0x760
[  250.054661]  ? smp_call_function_single_interrupt+0x159/0x650
[  250.060628]  ? smp_call_function_single_interrupt+0x650/0x650
[  250.066518]  ? interrupt_entry+0xb5/0xc0
[  250.070584]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.075600]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.080619]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.085463]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.090482]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.095511]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.100357]  apic_timer_interrupt+0xf/0x20
[  250.104580]  </IRQ>
[  250.106817] RIP: 0010:write_comp_data+0xd/0x70
[  250.111400] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  250.130299] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  250.138018] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  250.145285] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  250.152549] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  250.159900] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  250.167166] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  250.174569]  ? list_lru_count_one+0x36d/0x450
[  250.179069]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  250.184431]  list_lru_count_one+0x36d/0x450
[  250.188750]  ? list_lru_isolate_move+0x3c0/0x3c0
[  250.193517]  ? shmem_free_inode+0xd0/0xd0
[  250.197665]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.203221]  ? ubifs_shrink_count+0xc4/0x100
[  250.207643]  super_cache_count+0x1b9/0x2e0
[  250.211887]  do_shrink_slab+0x1b1/0xd30
[  250.215869]  ? lock_acquire+0x1ed/0x520
[  250.219844]  ? snapshot_refaults+0x290/0x290
[  250.224249]  ? lock_release+0xa00/0xa00
[  250.228236]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  250.233170]  ? down_read_trylock+0xda/0x140
[  250.237488]  ? shrink_slab+0x207/0x8c0
[  250.241372]  ? downgrade_write+0x270/0x270
[  250.245612]  shrink_slab+0x389/0x8c0
[  250.249321]  ? shrink_active_list+0x1f00/0x1f00
[  250.253996]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  250.259618]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  250.264724]  ? cgroup_procs_write_finish+0xf0/0xf0
[  250.269656]  ? find_held_lock+0x36/0x1c0
[  250.273723]  shrink_node+0x431/0x16b0
[  250.277521]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  250.282815]  ? shrink_node_memcg+0x18f0/0x18f0
[  250.287397]  ? kvm_clock_read+0x18/0x30
[  250.291367]  ? ktime_get+0x2c1/0x400
[  250.295097]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  250.299596]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  250.305127]  ? __cpuset_node_allowed+0x19b/0x660
[  250.309881]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  250.315592]  ? delayacct_end+0x5a/0x100
[  250.319571]  do_try_to_free_pages+0x3e7/0x1290
[  250.324235]  ? zap_class+0x640/0x640
[  250.327959]  ? shrink_node+0x16b0/0x16b0
[  250.332019]  ? __lock_is_held+0xb5/0x140
[  250.336090]  try_to_free_pages+0x4d0/0xb90
[  250.340329]  ? do_try_to_free_pages+0x1290/0x1290
[  250.345178]  ? lock_acquire+0x1ed/0x520
[  250.349158]  ? set_page_refcounted+0x280/0x280
[  250.353742]  ? lock_release+0xa00/0xa00
[  250.357712]  ? _raw_spin_unlock_irq+0x60/0x80
[  250.362218]  ? psi_memstall_enter+0x240/0x2b0
[  250.366709]  ? psi_memstall_tick+0x230/0x230
[  250.371130]  __alloc_pages_slowpath+0xa14/0x2e10
[  250.375910]  ? warn_alloc+0x120/0x120
[  250.379704]  ? mark_held_locks+0x130/0x130
[  250.383946]  ? find_get_entry+0xaae/0x1120
[  250.388202]  ? filemap_map_pages+0x1a20/0x1a20
[  250.392785]  ? zap_class+0x640/0x640
[  250.396499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.402040]  ? check_preemption_disabled+0x48/0x280
[  250.407056]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.412588]  ? should_fail+0x22d/0xd01
[  250.416479]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  250.421579]  ? zap_class+0x640/0x640
[  250.425311]  ? __lock_is_held+0xb5/0x140
[  250.429378]  ? mark_held_locks+0x130/0x130
[  250.433610]  ? lock_release+0xa00/0xa00
[  250.437584]  ? perf_trace_sched_process_exec+0x860/0x860
[  250.443030]  ? xa_load+0x2ba/0x460
[  250.446572]  ? lock_downgrade+0x900/0x900
[  250.450721]  ? __might_sleep+0x95/0x190
[  250.454697]  __alloc_pages_nodemask+0xa80/0xde0
[  250.459378]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  250.464397]  ? __page_cache_alloc+0x191/0x5c0
[  250.468885]  ? xa_load+0x2e1/0x460
[  250.472421]  ? xa_clear_mark+0x40/0x40
[  250.476309]  ? zap_class+0x640/0x640
[  250.480025]  ? zap_class+0x640/0x640
[  250.483738]  ? zap_class+0x640/0x640
[  250.487452]  ? __do_page_cache_readahead+0x663/0x810
[  250.492553]  ? find_held_lock+0x36/0x1c0
[  250.496630]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  250.502168]  alloc_pages_current+0x173/0x350
[  250.506582]  __page_cache_alloc+0x38c/0x5c0
[  250.510903]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  250.515832]  ? kasan_check_read+0x11/0x20
[  250.519974]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.525249]  ? generic_perform_write+0x6a0/0x6a0
[  250.530010]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.535547]  ? check_preemption_disabled+0x48/0x280
[  250.540569]  filemap_fault+0x1595/0x25f0
[  250.544638]  ? __lock_page_or_retry+0xa00/0xa00
[  250.549309]  ? mark_held_locks+0x130/0x130
[  250.553547]  ? filemap_map_pages+0xd6b/0x1a20
[  250.558040]  ? lock_downgrade+0x900/0x900
[  250.562195]  ? check_preemption_disabled+0x48/0x280
[  250.567217]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  250.572142]  ? kasan_check_read+0x11/0x20
[  250.576289]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.581564]  ? rcu_softirq_qs+0x20/0x20
[  250.585549]  ? filemap_map_pages+0xd92/0x1a20
[  250.590054]  ? find_get_entries_tag+0x1400/0x1400
[  250.594897]  ? debug_object_destroy+0x2b0/0x2b0
[  250.599567]  ? lock_pi_update_atomic+0x150/0x150
[  250.604318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  250.609867]  ? lock_acquire+0x1ed/0x520
[  250.613841]  ? ext4_filemap_fault+0x7a/0xad
[  250.618164]  ? lock_release+0xa00/0xa00
[  250.622144]  ? perf_trace_sched_process_exec+0x860/0x860
[  250.627601]  ? print_usage_bug+0xc0/0xc0
[  250.631913]  ? print_usage_bug+0xc0/0xc0
[  250.635985]  ? down_read+0x8d/0x120
[  250.639608]  ? ext4_filemap_fault+0x7a/0xad
[  250.643933]  ? __down_interruptible+0x700/0x700
[  250.648609]  ext4_filemap_fault+0x82/0xad
[  250.652762]  __do_fault+0x100/0x6b0
[  250.656390]  ? pmd_devmap_trans_unstable+0x220/0x220
[  250.661502]  ? mark_held_locks+0x130/0x130
[  250.665738]  ? mark_held_locks+0x130/0x130
[  250.669969]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.675243]  ? rcu_softirq_qs+0x20/0x20
[  250.679223]  ? kasan_check_write+0x14/0x20
[  250.683459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.688996]  __handle_mm_fault+0x3ea0/0x5be0
[  250.693411]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  250.698258]  ? aa_path_link+0x5e0/0x5e0
[  250.702236]  ? ksys_dup3+0x680/0x680
[  250.705960]  ? zap_class+0x640/0x640
[  250.709672]  ? zap_class+0x640/0x640
[  250.713384]  ? __x64_sys_futex+0x53e/0x6a0
[  250.717622]  ? find_held_lock+0x36/0x1c0
[  250.721687]  ? handle_mm_fault+0x42a/0xc70
[  250.725919]  ? lock_downgrade+0x900/0x900
[  250.730066]  ? check_preemption_disabled+0x48/0x280
[  250.735080]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  250.740006]  ? kasan_check_read+0x11/0x20
[  250.744148]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  250.749438]  ? rcu_softirq_qs+0x20/0x20
[  250.753411]  ? trace_hardirqs_off_caller+0x310/0x310
[  250.758515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  250.764054]  ? check_preemption_disabled+0x48/0x280
[  250.769072]  handle_mm_fault+0x54f/0xc70
[  250.773136]  ? __handle_mm_fault+0x5be0/0x5be0
[  250.777722]  ? find_vma+0x34/0x190
[  250.781265]  __do_page_fault+0x5e8/0xe60
[  250.785324]  ? trace_hardirqs_off+0xb8/0x310
[  250.789736]  do_page_fault+0xf2/0x7e0
[  250.793539]  ? vmalloc_sync_all+0x30/0x30
[  250.798060]  ? error_entry+0x70/0xd0
[  250.801778]  ? trace_hardirqs_off_caller+0xbb/0x310
[  250.806793]  ? trace_hardirqs_on_caller+0xc0/0x310
[  250.811720]  ? syscall_return_slowpath+0x5e0/0x5e0
[  250.816652]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.821494]  ? trace_hardirqs_on_caller+0x310/0x310
[  250.826508]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  250.831969]  ? prepare_exit_to_usermode+0x291/0x3b0
[  250.836982]  ? page_fault+0x8/0x30
[  250.840522]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  250.845363]  ? page_fault+0x8/0x30
[  250.848900]  page_fault+0x1e/0x30
[  250.852349] RIP: 0033:0x40f9c0
[  250.855554] Code: Bad RIP value.
[  250.858926] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  250.864293] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  250.871574] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  250.878843] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  250.886106] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  250.893372] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  250.900678] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  250.900683] warn_alloc_show_mem: 1 callbacks suppressed
[  250.900689] Mem-Info:
[  250.907958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  250.913325] active_anon:51741 inactive_anon:192 isolated_anon:0
[  250.913325]  active_file:28 inactive_file:10 isolated_file:0
[  250.913325]  unevictable:0 dirty:0 writeback:0 unstable:0
[  250.913325]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  250.913325]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  250.913325]  free:13684 free_pcp:150 free_cma:0
[  250.915695] Call Trace:
[  250.925071] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  250.957915]  <IRQ>
[  250.960482] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  250.988065]  dump_stack+0x244/0x39d
[  250.990183] lowmem_reserve[]: 0 2818 6321 6321
[  251.016300]  ? dump_stack_print_info.cold.1+0x20/0x20
[  251.019895] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  251.024498]  warn_alloc.cold.116+0xb7/0x1bd
[  251.029648] lowmem_reserve[]: 0 0 3503 3503
[  251.057259]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  251.061553] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  251.065872]  ? lock_downgrade+0x900/0x900
[  251.070675] lowmem_reserve[]: 0 0 0 0
[  251.099564]  ? trace_hardirqs_off+0xb8/0x310
[  251.103681] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  251.107477]  ? trace_hardirqs_off+0xb8/0x310
[  251.111870] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  251.126271]  __alloc_pages_slowpath+0x26e8/0x2e10
[  251.130650] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  251.145924]  ? warn_alloc+0x120/0x120
[  251.150729] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  251.165973]  ? print_usage_bug+0xc0/0xc0
[  251.169757] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  251.178574]  ? warn_alloc+0x120/0x120
[  251.182611] 281 total pagecache pages
[  251.191175]  ? warn_alloc+0x120/0x120
[  251.194954] 0 pages in swap cache
[  251.198733]  ? print_usage_bug+0xc0/0xc0
[  251.202507] Swap cache stats: add 0, delete 0, find 0/0
[  251.205944]  ? print_usage_bug+0xc0/0xc0
[  251.209975] Free swap  = 0kB
[  251.215325]  ? __lock_acquire+0x62f/0x4c20
[  251.219359] Total swap = 0kB
[  251.222372]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.226578] 1965979 pages RAM
[  251.229583]  ? should_fail+0x22d/0xd01
[  251.235089] 0 pages HighMem/MovableOnly
[  251.238184]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.242037] 342854 pages reserved
[  251.242044] 0 pages cma reserved
[  251.246007]  ? __lock_acquire+0x62f/0x4c20
[  251.251160] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  251.254526]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  251.257947] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  251.262092]  ? __lock_acquire+0x62f/0x4c20
[  251.268571] syz-fuzzer cpuset=/ mems_allowed=0
[  251.273662]  ? should_fail+0x22d/0xd01
[  251.296524]  ? find_held_lock+0x36/0x1c0
[  251.300587]  ? mark_held_locks+0x130/0x130
[  251.304836]  ? mark_held_locks+0x130/0x130
[  251.309072]  ? zap_class+0x640/0x640
[  251.312785]  ? zap_class+0x640/0x640
[  251.316498]  ? print_usage_bug+0xc0/0xc0
[  251.320554]  ? do_raw_spin_unlock+0xa7/0x330
[  251.324958]  ? zap_class+0x640/0x640
[  251.328667]  ? print_usage_bug+0xc0/0xc0
[  251.332723]  ? wq_watchdog_touch+0x9c/0xfe
[  251.336959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.342596]  ? check_preemption_disabled+0x48/0x280
[  251.347619]  ? __lock_is_held+0xb5/0x140
[  251.351682]  __alloc_pages_nodemask+0xa80/0xde0
[  251.356350]  ? zap_class+0x640/0x640
[  251.360064]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  251.365086]  ? find_held_lock+0x36/0x1c0
[  251.369165]  ? ____cache_alloc_node+0x1c7/0x1e0
[  251.373920]  ? lock_downgrade+0x900/0x900
[  251.378077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.383627]  cache_grow_begin+0xa5/0x8c0
[  251.387684]  ? do_raw_spin_unlock+0xa7/0x330
[  251.392096]  fallback_alloc+0x204/0x2e0
[  251.396082]  ____cache_alloc_node+0x1c7/0x1e0
[  251.400586]  kmem_cache_alloc_node+0xe3/0x730
[  251.405084]  ? ipv6_get_ifaddr+0x42e/0x620
[  251.409334]  __alloc_skb+0x119/0x770
[  251.413047]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.418321]  ? netdev_alloc_frag+0x1f0/0x1f0
[  251.422730]  ? lock_downgrade+0x900/0x900
[  251.426886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.432418]  ? refcount_sub_and_test_checked+0x203/0x310
[  251.437872]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  251.443317]  ? addrconf_rs_timer+0x690/0x690
[  251.447736]  ndisc_alloc_skb+0x144/0x340
[  251.451797]  ndisc_send_rs+0x331/0x6e0
[  251.455684]  addrconf_rs_timer+0x314/0x690
[  251.459922]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.464165]  call_timer_fn+0x272/0x920
[  251.468052]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.472459]  ? process_timeout+0x40/0x40
[  251.476526]  ? __run_timers+0x7da/0xc70
[  251.480500]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.484990]  ? _raw_spin_unlock_irq+0x27/0x80
[  251.489483]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.493721]  ? lockdep_hardirqs_on+0x296/0x5b0
[  251.498301]  ? trace_hardirqs_on+0xbd/0x310
[  251.502619]  ? kasan_check_read+0x11/0x20
[  251.506762]  ? __run_timers+0x7da/0xc70
[  251.510733]  ? trace_hardirqs_off_caller+0x310/0x310
[  251.515834]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.520072]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  251.524306]  __run_timers+0x7e5/0xc70
[  251.528119]  ? timer_fixup_init+0x70/0x70
[  251.532264]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  251.537277]  ? zap_class+0x640/0x640
[  251.540990]  ? enqueue_hrtimer+0x1a5/0x560
[  251.545222]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  251.550413]  ? find_held_lock+0x36/0x1c0
[  251.554473]  ? zap_class+0x640/0x640
[  251.558192]  ? pvclock_read_flags+0x160/0x160
[  251.562685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.568224]  ? check_preemption_disabled+0x48/0x280
[  251.573253]  ? __lock_is_held+0xb5/0x140
[  251.577317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.583026]  ? check_preemption_disabled+0x48/0x280
[  251.588044]  run_timer_softirq+0x52/0xb0
[  251.592109]  ? rcu_read_lock_sched_held+0x14f/0x180
[  251.597143]  __do_softirq+0x308/0xb7e
[  251.600945]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  251.605449]  ? lock_downgrade+0x900/0x900
[  251.609599]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  251.614703]  ? pvclock_read_flags+0x160/0x160
[  251.619199]  ? lapic_next_event+0x5a/0x90
[  251.623344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.629235]  ? kvm_clock_read+0x18/0x30
[  251.633200]  ? kvm_sched_clock_read+0x9/0x20
[  251.637607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.643143]  ? check_preemption_disabled+0x48/0x280
[  251.648164]  irq_exit+0x17f/0x1c0
[  251.651618]  smp_apic_timer_interrupt+0x1cb/0x760
[  251.656458]  ? smp_reschedule_interrupt+0x109/0x650
[  251.661475]  ? smp_call_function_single_interrupt+0x650/0x650
[  251.667355]  ? interrupt_entry+0xb5/0xc0
[  251.671412]  ? trace_hardirqs_off_caller+0xbb/0x310
[  251.676422]  ? trace_hardirqs_off_caller+0xbb/0x310
[  251.681439]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.686277]  ? trace_hardirqs_on_caller+0x310/0x310
[  251.691289]  ? trace_hardirqs_on_caller+0x310/0x310
[  251.696304]  ? task_prio+0x50/0x50
[  251.699847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.705380]  ? check_preemption_disabled+0x48/0x280
[  251.710396]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  251.715241]  apic_timer_interrupt+0xf/0x20
[  251.719467]  </IRQ>
[  251.721708] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  251.726650] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  251.745546] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  251.753255] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  251.760533] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  251.767973] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  251.775239] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  251.782503] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  251.789804]  skb_clone+0x1bb/0x500
[  251.793344]  ? finish_task_switch+0x1b4/0x910
[  251.797840]  ? skb_split+0x11e0/0x11e0
[  251.801725]  ? preempt_notifier_register+0x200/0x200
[  251.806825]  ? __switch_to_asm+0x34/0x70
[  251.810882]  ? __switch_to_asm+0x34/0x70
[  251.815023]  ? __switch_to_asm+0x40/0x70
[  251.819085]  ? __switch_to_asm+0x34/0x70
[  251.823147]  ? __switch_to_asm+0x40/0x70
[  251.827200]  ? __switch_to_asm+0x34/0x70
[  251.831257]  ? __switch_to_asm+0x40/0x70
[  251.835921]  ? __switch_to_asm+0x34/0x70
[  251.839976]  ? __switch_to_asm+0x34/0x70
[  251.844029]  ? __switch_to_asm+0x40/0x70
[  251.848094]  ? __switch_to_asm+0x34/0x70
[  251.852155]  bpf_clone_redirect+0xb9/0x490
[  251.856392]  ? __schedule+0x8d7/0x21d0
[  251.860370]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  251.865388]  ? __sched_text_start+0x8/0x8
[  251.869625]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  251.874202]  ? retint_kernel+0x2d/0x2d
[  251.878092]  ? trace_hardirqs_on_caller+0xc0/0x310
[  251.883026]  ? find_held_lock+0x36/0x1c0
[  251.887097]  ? lock_acquire+0x1ed/0x520
[  251.891077]  ? bpf_test_run+0x3cb/0x780
[  251.895059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  251.900602]  ? check_preemption_disabled+0x48/0x280
[  251.905618]  ? kasan_check_read+0x11/0x20
[  251.909762]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  251.915033]  ? rcu_softirq_qs+0x20/0x20
[  251.919010]  ? preempt_schedule+0x4d/0x60
[  251.923159]  ? ___preempt_schedule+0x16/0x18
[  251.927570]  ? bpf_test_run+0x25d/0x780
[  251.931549]  ? netlink_diag_dump+0x2a0/0x2a0
[  251.935957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  251.941489]  ? bpf_test_init.isra.10+0x70/0x100
[  251.946165]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  251.950928]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  251.955766]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  251.961305]  ? fput+0x130/0x1a0
[  251.964579]  ? __bpf_prog_get+0x9b/0x290
[  251.968639]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  251.973474]  ? bpf_prog_test_run+0x130/0x1a0
[  251.977884]  ? __x64_sys_bpf+0x3d8/0x520
[  251.981940]  ? bpf_prog_get+0x20/0x20
[  251.985756]  ? do_syscall_64+0x1b9/0x820
[  251.989818]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  251.995177]  ? syscall_return_slowpath+0x5e0/0x5e0
[  252.000106]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.005122]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  252.010139]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  252.016805]  ? __switch_to_asm+0x40/0x70
[  252.020861]  ? __switch_to_asm+0x34/0x70
[  252.024925]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.029772]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  252.035152] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  252.035231] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  252.042170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  252.042175] Call Trace:
[  252.042180]  <IRQ>
[  252.042199]  dump_stack+0x244/0x39d
[  252.042217]  ? dump_stack_print_info.cold.1+0x20/0x20
[  252.048770] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  252.058047]  warn_alloc.cold.116+0xb7/0x1bd
[  252.060598] syz-executor2 cpuset=syz2 mems_allowed=0
[  252.062742]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  252.096226]  ? lock_downgrade+0x900/0x900
[  252.100386]  ? trace_hardirqs_off+0xb8/0x310
[  252.104822]  ? trace_hardirqs_off+0xb8/0x310
[  252.109246]  __alloc_pages_slowpath+0x26e8/0x2e10
[  252.114116]  ? warn_alloc+0x120/0x120
[  252.117925]  ? print_usage_bug+0xc0/0xc0
[  252.121999]  ? warn_alloc+0x120/0x120
[  252.125800]  ? warn_alloc+0x120/0x120
[  252.129598]  ? print_usage_bug+0xc0/0xc0
[  252.133661]  ? kvm_clock_read+0x18/0x30
[  252.137635]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  252.142649]  ? print_usage_bug+0xc0/0xc0
[  252.146708]  ? __lock_acquire+0x62f/0x4c20
[  252.150944]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.156476]  ? should_fail+0x22d/0xd01
[  252.160369]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.165646]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.170751]  ? __lock_acquire+0x62f/0x4c20
[  252.174987]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.180084]  ? __lock_acquire+0x62f/0x4c20
[  252.184318]  ? should_fail+0x22d/0xd01
[  252.188199]  ? rcu_irq_exit+0x1a2/0x390
[  252.192177]  ? mark_held_locks+0x130/0x130
[  252.196414]  ? mark_held_locks+0x130/0x130
[  252.200649]  ? mark_held_locks+0xc7/0x130
[  252.204797]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  252.209815]  ? zap_class+0x640/0x640
[  252.213527]  ? print_usage_bug+0xc0/0xc0
[  252.217589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.223125]  ? check_preemption_disabled+0x48/0x280
[  252.228144]  ? __lock_is_held+0xb5/0x140
[  252.232208]  __alloc_pages_nodemask+0xa80/0xde0
[  252.236876]  ? zap_class+0x640/0x640
[  252.240592]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  252.245613]  ? find_held_lock+0x36/0x1c0
[  252.249678]  ? ____cache_alloc_node+0x1c7/0x1e0
[  252.254348]  ? lock_downgrade+0x900/0x900
[  252.258501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.264044]  cache_grow_begin+0xa5/0x8c0
[  252.268101]  ? do_raw_spin_unlock+0xa7/0x330
[  252.272512]  fallback_alloc+0x204/0x2e0
[  252.276488]  ____cache_alloc_node+0x1c7/0x1e0
[  252.280986]  kmem_cache_alloc_node+0xe3/0x730
[  252.285499]  ? ipv6_get_ifaddr+0x42e/0x620
[  252.289740]  __alloc_skb+0x119/0x770
[  252.293465]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  252.298757]  ? netdev_alloc_frag+0x1f0/0x1f0
[  252.303165]  ? lock_downgrade+0x900/0x900
[  252.307316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.312848]  ? refcount_sub_and_test_checked+0x203/0x310
[  252.318300]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  252.323750]  ? addrconf_rs_timer+0x690/0x690
[  252.328163]  ndisc_alloc_skb+0x144/0x340
[  252.332227]  ndisc_send_rs+0x331/0x6e0
[  252.336114]  addrconf_rs_timer+0x314/0x690
[  252.340357]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.344598]  call_timer_fn+0x272/0x920
[  252.348481]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.352713]  ? process_timeout+0x40/0x40
[  252.356776]  ? mark_held_locks+0xc7/0x130
[  252.360922]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.365411]  ? _raw_spin_unlock_irq+0x27/0x80
[  252.369899]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.374131]  ? lockdep_hardirqs_on+0x296/0x5b0
[  252.378717]  ? trace_hardirqs_on+0xbd/0x310
[  252.383058]  ? kasan_check_read+0x11/0x20
[  252.387202]  ? __run_timers+0x7da/0xc70
[  252.391174]  ? trace_hardirqs_off_caller+0x310/0x310
[  252.396286]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.400524]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  252.404750]  __run_timers+0x7e5/0xc70
[  252.408553]  ? timer_fixup_init+0x70/0x70
[  252.412700]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  252.417712]  ? zap_class+0x640/0x640
[  252.421425]  ? print_usage_bug+0xc0/0xc0
[  252.425483]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  252.430678]  ? find_held_lock+0x36/0x1c0
[  252.434741]  ? zap_class+0x640/0x640
[  252.438460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.443998]  ? check_preemption_disabled+0x48/0x280
[  252.449032]  ? __lock_is_held+0xb5/0x140
[  252.453095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.458627]  ? check_preemption_disabled+0x48/0x280
[  252.463643]  run_timer_softirq+0x52/0xb0
[  252.467700]  ? rcu_read_lock_sched_held+0x14f/0x180
[  252.472711]  __do_softirq+0x308/0xb7e
[  252.476529]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  252.481041]  ? lock_downgrade+0x900/0x900
[  252.485190]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  252.490301]  ? pvclock_read_flags+0x160/0x160
[  252.494813]  ? lapic_next_event+0x5a/0x90
[  252.498959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.504501]  ? kvm_clock_read+0x18/0x30
[  252.508471]  ? kvm_sched_clock_read+0x9/0x20
[  252.512875]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.518412]  ? check_preemption_disabled+0x48/0x280
[  252.523430]  irq_exit+0x17f/0x1c0
[  252.526878]  smp_apic_timer_interrupt+0x1cb/0x760
[  252.531718]  ? smp_call_function_single_interrupt+0x159/0x650
[  252.537596]  ? smp_call_function_single_interrupt+0x650/0x650
[  252.543473]  ? interrupt_entry+0xb5/0xc0
[  252.547529]  ? trace_hardirqs_off_caller+0xbb/0x310
[  252.552542]  ? trace_hardirqs_off_caller+0xbb/0x310
[  252.557558]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.562397]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.567410]  ? trace_hardirqs_on_caller+0x310/0x310
[  252.572434]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  252.577286]  apic_timer_interrupt+0xf/0x20
[  252.581511]  </IRQ>
[  252.583747] RIP: 0010:write_comp_data+0xd/0x70
[  252.588328] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  252.607223] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  252.614930] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  252.622196] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  252.629465] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  252.636731] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  252.644001] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  252.651289]  ? list_lru_count_one+0x36d/0x450
[  252.655792]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  252.661154]  list_lru_count_one+0x36d/0x450
[  252.665486]  ? list_lru_isolate_move+0x3c0/0x3c0
[  252.670245]  ? shmem_free_inode+0xd0/0xd0
[  252.674428]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.679976]  ? ubifs_shrink_count+0xc4/0x100
[  252.684393]  super_cache_count+0x1b9/0x2e0
[  252.688628]  do_shrink_slab+0x1b1/0xd30
[  252.692606]  ? lock_acquire+0x1ed/0x520
[  252.696579]  ? snapshot_refaults+0x290/0x290
[  252.700991]  ? lock_release+0xa00/0xa00
[  252.704965]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  252.709906]  ? down_read_trylock+0xda/0x140
[  252.714219]  ? shrink_slab+0x207/0x8c0
[  252.718111]  ? downgrade_write+0x270/0x270
[  252.722350]  shrink_slab+0x389/0x8c0
[  252.726060]  ? shrink_active_list+0x1f00/0x1f00
[  252.730741]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  252.736364]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  252.741478]  ? cgroup_procs_write_finish+0xf0/0xf0
[  252.746424]  ? find_held_lock+0x36/0x1c0
[  252.750496]  shrink_node+0x431/0x16b0
[  252.755076]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  252.760371]  ? shrink_node_memcg+0x18f0/0x18f0
[  252.764980]  ? kvm_clock_read+0x18/0x30
[  252.768952]  ? ktime_get+0x2c1/0x400
[  252.772673]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  252.777172]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  252.782705]  ? __cpuset_node_allowed+0x19b/0x660
[  252.787458]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  252.793166]  ? delayacct_end+0x5a/0x100
[  252.797489]  do_try_to_free_pages+0x3e7/0x1290
[  252.802067]  ? zap_class+0x640/0x640
[  252.805798]  ? shrink_node+0x16b0/0x16b0
[  252.809856]  ? __lock_is_held+0xb5/0x140
[  252.813926]  try_to_free_pages+0x4d0/0xb90
[  252.818165]  ? do_try_to_free_pages+0x1290/0x1290
[  252.823015]  ? lock_acquire+0x1ed/0x520
[  252.826990]  ? set_page_refcounted+0x280/0x280
[  252.831573]  ? lock_release+0xa00/0xa00
[  252.835548]  ? _raw_spin_unlock_irq+0x60/0x80
[  252.840041]  ? psi_memstall_enter+0x240/0x2b0
[  252.844530]  ? psi_memstall_tick+0x230/0x230
[  252.848945]  __alloc_pages_slowpath+0xa14/0x2e10
[  252.853731]  ? warn_alloc+0x120/0x120
[  252.857525]  ? mark_held_locks+0x130/0x130
[  252.861760]  ? find_get_entry+0xaae/0x1120
[  252.866007]  ? filemap_map_pages+0x1a20/0x1a20
[  252.870680]  ? zap_class+0x640/0x640
[  252.874401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  252.879938]  ? check_preemption_disabled+0x48/0x280
[  252.884955]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  252.890500]  ? should_fail+0x22d/0xd01
[  252.894388]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  252.899486]  ? zap_class+0x640/0x640
[  252.903218]  ? __lock_is_held+0xb5/0x140
[  252.907288]  ? mark_held_locks+0x130/0x130
[  252.911612]  ? lock_release+0xa00/0xa00
[  252.915583]  ? perf_trace_sched_process_exec+0x860/0x860
[  252.921036]  ? xa_load+0x2ba/0x460
[  252.924573]  ? lock_downgrade+0x900/0x900
[  252.928809]  ? __might_sleep+0x95/0x190
[  252.932784]  __alloc_pages_nodemask+0xa80/0xde0
[  252.937454]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  252.942470]  ? __page_cache_alloc+0x191/0x5c0
[  252.946966]  ? xa_load+0x2e1/0x460
[  252.950503]  ? xa_clear_mark+0x40/0x40
[  252.954386]  ? zap_class+0x640/0x640
[  252.958102]  ? zap_class+0x640/0x640
[  252.961811]  ? zap_class+0x640/0x640
[  252.965519]  ? __do_page_cache_readahead+0x663/0x810
[  252.970621]  ? find_held_lock+0x36/0x1c0
[  252.974683]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  252.980224]  alloc_pages_current+0x173/0x350
[  252.984632]  __page_cache_alloc+0x38c/0x5c0
[  252.988948]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  252.993878]  ? kasan_check_read+0x11/0x20
[  252.998021]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.003305]  ? generic_perform_write+0x6a0/0x6a0
[  253.008059]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.013596]  ? check_preemption_disabled+0x48/0x280
[  253.018616]  filemap_fault+0x1595/0x25f0
[  253.022687]  ? __lock_page_or_retry+0xa00/0xa00
[  253.027353]  ? mark_held_locks+0x130/0x130
[  253.031590]  ? filemap_map_pages+0xd6b/0x1a20
[  253.036082]  ? lock_downgrade+0x900/0x900
[  253.040242]  ? check_preemption_disabled+0x48/0x280
[  253.045261]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  253.050188]  ? kasan_check_read+0x11/0x20
[  253.054334]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.059604]  ? rcu_softirq_qs+0x20/0x20
[  253.063583]  ? filemap_map_pages+0xd92/0x1a20
[  253.068087]  ? find_get_entries_tag+0x1400/0x1400
[  253.072928]  ? debug_object_destroy+0x2b0/0x2b0
[  253.077609]  ? lock_pi_update_atomic+0x150/0x150
[  253.082360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.087907]  ? lock_acquire+0x1ed/0x520
[  253.091876]  ? ext4_filemap_fault+0x7a/0xad
[  253.096197]  ? lock_release+0xa00/0xa00
[  253.100171]  ? perf_trace_sched_process_exec+0x860/0x860
[  253.105625]  ? print_usage_bug+0xc0/0xc0
[  253.109683]  ? print_usage_bug+0xc0/0xc0
[  253.113749]  ? down_read+0x8d/0x120
[  253.117367]  ? ext4_filemap_fault+0x7a/0xad
[  253.121688]  ? __down_interruptible+0x700/0x700
[  253.126364]  ext4_filemap_fault+0x82/0xad
[  253.130516]  __do_fault+0x100/0x6b0
[  253.134149]  ? pmd_devmap_trans_unstable+0x220/0x220
[  253.139252]  ? mark_held_locks+0x130/0x130
[  253.143486]  ? mark_held_locks+0x130/0x130
[  253.147714]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.152990]  ? rcu_softirq_qs+0x20/0x20
[  253.156973]  ? kasan_check_write+0x14/0x20
[  253.161208]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.166749]  __handle_mm_fault+0x3ea0/0x5be0
[  253.171160]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  253.175998]  ? aa_path_link+0x5e0/0x5e0
[  253.179974]  ? ksys_dup3+0x680/0x680
[  253.183696]  ? zap_class+0x640/0x640
[  253.187405]  ? zap_class+0x640/0x640
[  253.191117]  ? __x64_sys_futex+0x53e/0x6a0
[  253.195356]  ? find_held_lock+0x36/0x1c0
[  253.199425]  ? handle_mm_fault+0x42a/0xc70
[  253.203656]  ? lock_downgrade+0x900/0x900
[  253.207798]  ? check_preemption_disabled+0x48/0x280
[  253.212815]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  253.217755]  ? kasan_check_read+0x11/0x20
[  253.221898]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.227169]  ? rcu_softirq_qs+0x20/0x20
[  253.231143]  ? trace_hardirqs_off_caller+0x310/0x310
[  253.236240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.241773]  ? check_preemption_disabled+0x48/0x280
[  253.246792]  handle_mm_fault+0x54f/0xc70
[  253.250851]  ? __handle_mm_fault+0x5be0/0x5be0
[  253.255432]  ? find_vma+0x34/0x190
[  253.258975]  __do_page_fault+0x5e8/0xe60
[  253.263030]  ? trace_hardirqs_off+0xb8/0x310
[  253.267442]  do_page_fault+0xf2/0x7e0
[  253.271329]  ? vmalloc_sync_all+0x30/0x30
[  253.275480]  ? error_entry+0x70/0xd0
[  253.279278]  ? trace_hardirqs_off_caller+0xbb/0x310
[  253.284291]  ? trace_hardirqs_on_caller+0xc0/0x310
[  253.289218]  ? syscall_return_slowpath+0x5e0/0x5e0
[  253.294143]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.298981]  ? trace_hardirqs_on_caller+0x310/0x310
[  253.303994]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  253.309530]  ? prepare_exit_to_usermode+0x291/0x3b0
[  253.314540]  ? page_fault+0x8/0x30
[  253.318094]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  253.322946]  ? page_fault+0x8/0x30
[  253.326482]  page_fault+0x1e/0x30
[  253.329951] RIP: 0033:0x40f9c0
[  253.333159] Code: Bad RIP value.
[  253.336536] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  253.341899] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  253.349186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  253.356450] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  253.363729] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  253.371009] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  253.378292] warn_alloc_show_mem: 1 callbacks suppressed
[  253.378301] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  253.378303] Mem-Info:
[  253.378334] active_anon:51741 inactive_anon:192 isolated_anon:0
[  253.378334]  active_file:28 inactive_file:10 isolated_file:0
[  253.378334]  unevictable:0 dirty:0 writeback:0 unstable:0
[  253.378334]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  253.378334]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  253.378334]  free:13684 free_pcp:150 free_cma:0
[  253.383667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  253.383679] Call Trace:
[  253.390954] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  253.393342]  <IRQ>
[  253.426197] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  253.435545]  dump_stack+0x244/0x39d
[  253.438101] lowmem_reserve[]: 0 2818 6321 6321
[  253.465867]  ? dump_stack_print_info.cold.1+0x20/0x20
[  253.467991] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  253.494099]  warn_alloc.cold.116+0xb7/0x1bd
[  253.497691] lowmem_reserve[]: 0 0 3503 3503
[  253.502265]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  253.507426] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  253.535003]  ? lock_downgrade+0x900/0x900
[  253.539289] lowmem_reserve[]: 0 0 0 0
[  253.543611]  ? trace_hardirqs_off+0xb8/0x310
[  253.548419] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  253.577298]  ? trace_hardirqs_off+0xb8/0x310
[  253.581418] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  253.585233]  __alloc_pages_slowpath+0x26e8/0x2e10
[  253.589608] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  253.603146]  ? warn_alloc+0x120/0x120
[  253.607518] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  253.622759]  ? print_usage_bug+0xc0/0xc0
[  253.627583] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  253.643220]  ? warn_alloc+0x120/0x120
[  253.646992] 281 total pagecache pages
[  253.655817]  ? warn_alloc+0x120/0x120
[  253.659863] 0 pages in swap cache
[  253.668432]  ? print_usage_bug+0xc0/0xc0
[  253.672201] Swap cache stats: add 0, delete 0, find 0/0
[  253.675985]  ? kvm_clock_read+0x18/0x30
[  253.679755] Free swap  = 0kB
[  253.683212]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  253.687240] Total swap = 0kB
[  253.692592]  ? print_usage_bug+0xc0/0xc0
[  253.696623] 1965979 pages RAM
[  253.699637]  ? __lock_acquire+0x62f/0x4c20
[  253.704627] 0 pages HighMem/MovableOnly
[  253.704634] 342854 pages reserved
[  253.707649]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  253.711677] 0 pages cma reserved
[  253.714771]  ? should_fail+0x22d/0xd01
[  253.719048] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  253.722936]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.726424] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  253.731895]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.735232] syz-fuzzer cpuset=/ mems_allowed=0
[  253.739112]  ? __lock_acquire+0x62f/0x4c20
[  253.775003]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  253.780108]  ? __lock_acquire+0x62f/0x4c20
[  253.784337]  ? should_fail+0x22d/0xd01
[  253.788223]  ? rcu_irq_exit+0x1a2/0x390
[  253.792201]  ? mark_held_locks+0x130/0x130
[  253.796435]  ? mark_held_locks+0x130/0x130
[  253.800694]  ? mark_held_locks+0xc7/0x130
[  253.804838]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  253.809864]  ? zap_class+0x640/0x640
[  253.813581]  ? print_usage_bug+0xc0/0xc0
[  253.817646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.823181]  ? check_preemption_disabled+0x48/0x280
[  253.828202]  ? __lock_is_held+0xb5/0x140
[  253.832266]  __alloc_pages_nodemask+0xa80/0xde0
[  253.836933]  ? zap_class+0x640/0x640
[  253.840652]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  253.845676]  ? find_held_lock+0x36/0x1c0
[  253.849743]  ? ____cache_alloc_node+0x1c7/0x1e0
[  253.854409]  ? lock_downgrade+0x900/0x900
[  253.858559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.864106]  cache_grow_begin+0xa5/0x8c0
[  253.868166]  ? do_raw_spin_unlock+0xa7/0x330
[  253.872575]  fallback_alloc+0x204/0x2e0
[  253.876812]  ____cache_alloc_node+0x1c7/0x1e0
[  253.881307]  kmem_cache_alloc_node+0xe3/0x730
[  253.885804]  ? ipv6_get_ifaddr+0x42e/0x620
[  253.890045]  __alloc_skb+0x119/0x770
[  253.893751]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  253.899026]  ? netdev_alloc_frag+0x1f0/0x1f0
[  253.903431]  ? lock_downgrade+0x900/0x900
[  253.907583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  253.913119]  ? refcount_sub_and_test_checked+0x203/0x310
[  253.918570]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  253.924018]  ? addrconf_rs_timer+0x690/0x690
[  253.928434]  ndisc_alloc_skb+0x144/0x340
[  253.932505]  ndisc_send_rs+0x331/0x6e0
[  253.936393]  addrconf_rs_timer+0x314/0x690
[  253.940636]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.944888]  call_timer_fn+0x272/0x920
[  253.948773]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.953002]  ? process_timeout+0x40/0x40
[  253.957070]  ? __run_timers+0x7da/0xc70
[  253.961043]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.965532]  ? _raw_spin_unlock_irq+0x27/0x80
[  253.970021]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  253.974253]  ? lockdep_hardirqs_on+0x296/0x5b0
[  253.978835]  ? trace_hardirqs_on+0xbd/0x310
[  253.983162]  ? kasan_check_read+0x11/0x20
[  253.987302]  ? __run_timers+0x7da/0xc70
[  253.991274]  ? trace_hardirqs_off_caller+0x310/0x310
[  253.996375]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.000613]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.004847]  __run_timers+0x7e5/0xc70
[  254.008664]  ? timer_fixup_init+0x70/0x70
[  254.012816]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  254.017839]  ? zap_class+0x640/0x640
[  254.021566]  ? enqueue_hrtimer+0x1a5/0x560
[  254.025801]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  254.031001]  ? find_held_lock+0x36/0x1c0
[  254.035090]  ? zap_class+0x640/0x640
[  254.038807]  ? pvclock_read_flags+0x160/0x160
[  254.043309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.048863]  ? check_preemption_disabled+0x48/0x280
[  254.053901]  ? __lock_is_held+0xb5/0x140
[  254.058057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.063599]  ? check_preemption_disabled+0x48/0x280
[  254.068633]  run_timer_softirq+0x52/0xb0
[  254.072702]  ? rcu_read_lock_sched_held+0x14f/0x180
[  254.077724]  __do_softirq+0x308/0xb7e
[  254.081532]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  254.086028]  ? lock_downgrade+0x900/0x900
[  254.090185]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  254.095300]  ? pvclock_read_flags+0x160/0x160
[  254.099797]  ? lapic_next_event+0x5a/0x90
[  254.103950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.109520]  ? kvm_clock_read+0x18/0x30
[  254.113498]  ? kvm_sched_clock_read+0x9/0x20
[  254.117922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.123470]  ? check_preemption_disabled+0x48/0x280
[  254.128613]  irq_exit+0x17f/0x1c0
[  254.132074]  smp_apic_timer_interrupt+0x1cb/0x760
[  254.136919]  ? smp_reschedule_interrupt+0x109/0x650
[  254.141938]  ? smp_call_function_single_interrupt+0x650/0x650
[  254.147823]  ? interrupt_entry+0xb5/0xc0
[  254.151896]  ? trace_hardirqs_off_caller+0xbb/0x310
[  254.156917]  ? trace_hardirqs_off_caller+0xbb/0x310
[  254.161942]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.166787]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.171802]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.176818]  ? task_prio+0x50/0x50
[  254.180370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.185915]  ? check_preemption_disabled+0x48/0x280
[  254.190937]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.195796]  apic_timer_interrupt+0xf/0x20
[  254.200023]  </IRQ>
[  254.202262] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  254.207646] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  254.226662] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  254.234370] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  254.241639] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  254.249167] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  254.256432] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  254.263701] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  254.271014]  skb_clone+0x1bb/0x500
[  254.274555]  ? finish_task_switch+0x1b4/0x910
[  254.279047]  ? skb_split+0x11e0/0x11e0
[  254.282936]  ? preempt_notifier_register+0x200/0x200
[  254.288054]  ? __switch_to_asm+0x34/0x70
[  254.292113]  ? __switch_to_asm+0x34/0x70
[  254.296177]  ? __switch_to_asm+0x40/0x70
[  254.300230]  ? __switch_to_asm+0x34/0x70
[  254.304282]  ? __switch_to_asm+0x40/0x70
[  254.308354]  ? __switch_to_asm+0x34/0x70
[  254.312411]  ? __switch_to_asm+0x40/0x70
[  254.316468]  ? __switch_to_asm+0x34/0x70
[  254.320528]  ? __switch_to_asm+0x34/0x70
[  254.324584]  ? __switch_to_asm+0x40/0x70
[  254.328645]  ? __switch_to_asm+0x34/0x70
[  254.332713]  bpf_clone_redirect+0xb9/0x490
[  254.336965]  ? __schedule+0x8d7/0x21d0
[  254.340864]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  254.345907]  ? __sched_text_start+0x8/0x8
[  254.350063]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  254.354655]  ? retint_kernel+0x2d/0x2d
[  254.358564]  ? trace_hardirqs_on_caller+0xc0/0x310
[  254.363513]  ? find_held_lock+0x36/0x1c0
[  254.367589]  ? lock_acquire+0x1ed/0x520
[  254.371573]  ? bpf_test_run+0x3cb/0x780
[  254.375555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.381103]  ? check_preemption_disabled+0x48/0x280
[  254.386128]  ? kasan_check_read+0x11/0x20
[  254.390274]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.395550]  ? rcu_softirq_qs+0x20/0x20
[  254.399535]  ? preempt_schedule+0x4d/0x60
[  254.403689]  ? ___preempt_schedule+0x16/0x18
[  254.408108]  ? bpf_test_run+0x25d/0x780
[  254.412119]  ? netlink_diag_dump+0x2a0/0x2a0
[  254.416538]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.422081]  ? bpf_test_init.isra.10+0x70/0x100
[  254.426759]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  254.431528]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  254.436388]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  254.441931]  ? fput+0x130/0x1a0
[  254.445211]  ? __bpf_prog_get+0x9b/0x290
[  254.449363]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  254.454206]  ? bpf_prog_test_run+0x130/0x1a0
[  254.458630]  ? __x64_sys_bpf+0x3d8/0x520
[  254.462694]  ? bpf_prog_get+0x20/0x20
[  254.466518]  ? do_syscall_64+0x1b9/0x820
[  254.470588]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  254.475959]  ? syscall_return_slowpath+0x5e0/0x5e0
[  254.480900]  ? trace_hardirqs_on_caller+0x310/0x310
[  254.485919]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  254.490940]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  254.497615]  ? __switch_to_asm+0x40/0x70
[  254.501684]  ? __switch_to_asm+0x34/0x70
[  254.505764]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  254.510618]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  254.516004] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  254.516081] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  254.523027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  254.523032] Call Trace:
[  254.523039]  <IRQ>
[  254.523060]  dump_stack+0x244/0x39d
[  254.523084]  ? dump_stack_print_info.cold.1+0x20/0x20
[  254.529661] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  254.538928]  warn_alloc.cold.116+0xb7/0x1bd
[  254.541480] syz-executor2 cpuset=syz2 mems_allowed=0
[  254.543622]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  254.577118]  ? lock_downgrade+0x900/0x900
[  254.581273]  ? trace_hardirqs_off+0xb8/0x310
[  254.585685]  ? trace_hardirqs_off+0xb8/0x310
[  254.590104]  __alloc_pages_slowpath+0x26e8/0x2e10
[  254.594971]  ? warn_alloc+0x120/0x120
[  254.598772]  ? print_usage_bug+0xc0/0xc0
[  254.602837]  ? warn_alloc+0x120/0x120
[  254.606647]  ? warn_alloc+0x120/0x120
[  254.610449]  ? print_usage_bug+0xc0/0xc0
[  254.614515]  ? print_usage_bug+0xc0/0xc0
[  254.618575]  ? __lock_acquire+0x62f/0x4c20
[  254.622822]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.628360]  ? should_fail+0x22d/0xd01
[  254.632504]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.637608]  ? __lock_acquire+0x62f/0x4c20
[  254.641850]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  254.646953]  ? __lock_acquire+0x62f/0x4c20
[  254.651185]  ? should_fail+0x22d/0xd01
[  254.655079]  ? find_held_lock+0x36/0x1c0
[  254.659144]  ? mark_held_locks+0x130/0x130
[  254.663382]  ? mark_held_locks+0x130/0x130
[  254.667619]  ? zap_class+0x640/0x640
[  254.671336]  ? zap_class+0x640/0x640
[  254.675053]  ? print_usage_bug+0xc0/0xc0
[  254.679117]  ? do_raw_spin_unlock+0xa7/0x330
[  254.683526]  ? zap_class+0x640/0x640
[  254.687239]  ? print_usage_bug+0xc0/0xc0
[  254.691299]  ? wq_watchdog_touch+0x9c/0xfe
[  254.695539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.701095]  ? check_preemption_disabled+0x48/0x280
[  254.706134]  ? __lock_is_held+0xb5/0x140
[  254.710208]  __alloc_pages_nodemask+0xa80/0xde0
[  254.714882]  ? zap_class+0x640/0x640
[  254.718602]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  254.723636]  ? find_held_lock+0x36/0x1c0
[  254.727711]  ? ____cache_alloc_node+0x1c7/0x1e0
[  254.732406]  ? lock_downgrade+0x900/0x900
[  254.736571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.742126]  cache_grow_begin+0xa5/0x8c0
[  254.746195]  ? do_raw_spin_unlock+0xa7/0x330
[  254.750612]  fallback_alloc+0x204/0x2e0
[  254.754595]  ____cache_alloc_node+0x1c7/0x1e0
[  254.759098]  kmem_cache_alloc_node+0xe3/0x730
[  254.763616]  ? ipv6_get_ifaddr+0x42e/0x620
[  254.767868]  __alloc_skb+0x119/0x770
[  254.771586]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  254.776896]  ? netdev_alloc_frag+0x1f0/0x1f0
[  254.781311]  ? lock_downgrade+0x900/0x900
[  254.785468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.791014]  ? refcount_sub_and_test_checked+0x203/0x310
[  254.796896]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  254.802351]  ? addrconf_rs_timer+0x690/0x690
[  254.806776]  ndisc_alloc_skb+0x144/0x340
[  254.810844]  ndisc_send_rs+0x331/0x6e0
[  254.814736]  addrconf_rs_timer+0x314/0x690
[  254.818976]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.823223]  call_timer_fn+0x272/0x920
[  254.827111]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.831342]  ? process_timeout+0x40/0x40
[  254.835500]  ? mark_held_locks+0xc7/0x130
[  254.839658]  ? _raw_spin_unlock_irq+0x27/0x80
[  254.844162]  ? _raw_spin_unlock_irq+0x27/0x80
[  254.848659]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.852898]  ? lockdep_hardirqs_on+0x296/0x5b0
[  254.857489]  ? trace_hardirqs_on+0xbd/0x310
[  254.861821]  ? kasan_check_read+0x11/0x20
[  254.865972]  ? __run_timers+0x7da/0xc70
[  254.869954]  ? trace_hardirqs_off_caller+0x310/0x310
[  254.875066]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.879302]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  254.883534]  __run_timers+0x7e5/0xc70
[  254.887340]  ? timer_fixup_init+0x70/0x70
[  254.891487]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  254.896504]  ? zap_class+0x640/0x640
[  254.900219]  ? print_usage_bug+0xc0/0xc0
[  254.904294]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  254.909486]  ? find_held_lock+0x36/0x1c0
[  254.913546]  ? zap_class+0x640/0x640
[  254.917264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.922810]  ? check_preemption_disabled+0x48/0x280
[  254.927834]  ? __lock_is_held+0xb5/0x140
[  254.931895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.937433]  ? check_preemption_disabled+0x48/0x280
[  254.942455]  run_timer_softirq+0x52/0xb0
[  254.946513]  ? rcu_read_lock_sched_held+0x14f/0x180
[  254.951526]  __do_softirq+0x308/0xb7e
[  254.955326]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  254.959818]  ? lock_downgrade+0x900/0x900
[  254.963966]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  254.969074]  ? pvclock_read_flags+0x160/0x160
[  254.973568]  ? lapic_next_event+0x5a/0x90
[  254.977714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  254.983252]  ? kvm_clock_read+0x18/0x30
[  254.987224]  ? kvm_sched_clock_read+0x9/0x20
[  254.991629]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  254.997175]  ? check_preemption_disabled+0x48/0x280
[  255.002196]  irq_exit+0x17f/0x1c0
[  255.005649]  smp_apic_timer_interrupt+0x1cb/0x760
[  255.010491]  ? smp_call_function_single_interrupt+0x159/0x650
[  255.016372]  ? smp_call_function_single_interrupt+0x650/0x650
[  255.022255]  ? interrupt_entry+0xb5/0xc0
[  255.026315]  ? trace_hardirqs_off_caller+0xbb/0x310
[  255.031334]  ? trace_hardirqs_off_caller+0xbb/0x310
[  255.036350]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.041191]  ? trace_hardirqs_on_caller+0x310/0x310
[  255.046209]  ? trace_hardirqs_on_caller+0x310/0x310
[  255.051228]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.056073]  apic_timer_interrupt+0xf/0x20
[  255.060298]  </IRQ>
[  255.062532] RIP: 0010:write_comp_data+0xd/0x70
[  255.068070] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  255.086968] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  255.094674] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  255.101939] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  255.109200] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  255.116468] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  255.123733] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  255.131026]  ? list_lru_count_one+0x36d/0x450
[  255.135530]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  255.140890]  list_lru_count_one+0x36d/0x450
[  255.145298]  ? list_lru_isolate_move+0x3c0/0x3c0
[  255.150051]  ? shmem_free_inode+0xd0/0xd0
[  255.154198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.159761]  ? ubifs_shrink_count+0xc4/0x100
[  255.164190]  super_cache_count+0x1b9/0x2e0
[  255.168427]  do_shrink_slab+0x1b1/0xd30
[  255.172405]  ? lock_acquire+0x1ed/0x520
[  255.176379]  ? snapshot_refaults+0x290/0x290
[  255.180786]  ? lock_release+0xa00/0xa00
[  255.184770]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  255.189706]  ? down_read_trylock+0xda/0x140
[  255.194024]  ? shrink_slab+0x207/0x8c0
[  255.197914]  ? downgrade_write+0x270/0x270
[  255.202159]  shrink_slab+0x389/0x8c0
[  255.205886]  ? shrink_active_list+0x1f00/0x1f00
[  255.210560]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  255.216185]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  255.221293]  ? cgroup_procs_write_finish+0xf0/0xf0
[  255.226224]  ? find_held_lock+0x36/0x1c0
[  255.230287]  shrink_node+0x431/0x16b0
[  255.234087]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  255.239379]  ? shrink_node_memcg+0x18f0/0x18f0
[  255.243978]  ? kvm_clock_read+0x18/0x30
[  255.247957]  ? ktime_get+0x2c1/0x400
[  255.251674]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  255.256169]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  255.261702]  ? __cpuset_node_allowed+0x19b/0x660
[  255.266458]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  255.272165]  ? delayacct_end+0x5a/0x100
[  255.276144]  do_try_to_free_pages+0x3e7/0x1290
[  255.280721]  ? zap_class+0x640/0x640
[  255.284450]  ? shrink_node+0x16b0/0x16b0
[  255.288507]  ? __lock_is_held+0xb5/0x140
[  255.292574]  try_to_free_pages+0x4d0/0xb90
[  255.296812]  ? do_try_to_free_pages+0x1290/0x1290
[  255.301668]  ? lock_acquire+0x1ed/0x520
[  255.305637]  ? set_page_refcounted+0x280/0x280
[  255.310220]  ? lock_release+0xa00/0xa00
[  255.314190]  ? _raw_spin_unlock_irq+0x60/0x80
[  255.318684]  ? psi_memstall_enter+0x240/0x2b0
[  255.323182]  ? psi_memstall_tick+0x230/0x230
[  255.327601]  __alloc_pages_slowpath+0xa14/0x2e10
[  255.332382]  ? warn_alloc+0x120/0x120
[  255.336177]  ? mark_held_locks+0x130/0x130
[  255.340412]  ? find_get_entry+0xaae/0x1120
[  255.344651]  ? filemap_map_pages+0x1a20/0x1a20
[  255.349235]  ? zap_class+0x640/0x640
[  255.352948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.358489]  ? check_preemption_disabled+0x48/0x280
[  255.363511]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.369043]  ? should_fail+0x22d/0xd01
[  255.372930]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  255.378033]  ? zap_class+0x640/0x640
[  255.381779]  ? __lock_is_held+0xb5/0x140
[  255.385848]  ? mark_held_locks+0x130/0x130
[  255.390081]  ? lock_release+0xa00/0xa00
[  255.394055]  ? perf_trace_sched_process_exec+0x860/0x860
[  255.399505]  ? xa_load+0x2ba/0x460
[  255.403044]  ? lock_downgrade+0x900/0x900
[  255.407197]  ? __might_sleep+0x95/0x190
[  255.411176]  __alloc_pages_nodemask+0xa80/0xde0
[  255.415851]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  255.420863]  ? __page_cache_alloc+0x191/0x5c0
[  255.425352]  ? xa_load+0x2e1/0x460
[  255.428887]  ? xa_clear_mark+0x40/0x40
[  255.432775]  ? zap_class+0x640/0x640
[  255.436490]  ? zap_class+0x640/0x640
[  255.440200]  ? zap_class+0x640/0x640
[  255.443913]  ? __do_page_cache_readahead+0x663/0x810
[  255.449026]  ? find_held_lock+0x36/0x1c0
[  255.453088]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  255.458629]  alloc_pages_current+0x173/0x350
[  255.463040]  __page_cache_alloc+0x38c/0x5c0
[  255.467359]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  255.472285]  ? kasan_check_read+0x11/0x20
[  255.476427]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.481706]  ? generic_perform_write+0x6a0/0x6a0
[  255.486466]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.492017]  ? check_preemption_disabled+0x48/0x280
[  255.497040]  filemap_fault+0x1595/0x25f0
[  255.501111]  ? __lock_page_or_retry+0xa00/0xa00
[  255.505777]  ? mark_held_locks+0x130/0x130
[  255.510023]  ? filemap_map_pages+0xd6b/0x1a20
[  255.514531]  ? lock_downgrade+0x900/0x900
[  255.518674]  ? check_preemption_disabled+0x48/0x280
[  255.523688]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  255.528613]  ? kasan_check_read+0x11/0x20
[  255.532755]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.538028]  ? rcu_softirq_qs+0x20/0x20
[  255.542011]  ? filemap_map_pages+0xd92/0x1a20
[  255.546510]  ? find_get_entries_tag+0x1400/0x1400
[  255.551355]  ? debug_object_destroy+0x2b0/0x2b0
[  255.556024]  ? lock_pi_update_atomic+0x150/0x150
[  255.560774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  255.566316]  ? lock_acquire+0x1ed/0x520
[  255.570291]  ? ext4_filemap_fault+0x7a/0xad
[  255.574614]  ? lock_release+0xa00/0xa00
[  255.578602]  ? perf_trace_sched_process_exec+0x860/0x860
[  255.584052]  ? print_usage_bug+0xc0/0xc0
[  255.588110]  ? print_usage_bug+0xc0/0xc0
[  255.592178]  ? down_read+0x8d/0x120
[  255.595813]  ? ext4_filemap_fault+0x7a/0xad
[  255.600152]  ? __down_interruptible+0x700/0x700
[  255.604836]  ext4_filemap_fault+0x82/0xad
[  255.608990]  __do_fault+0x100/0x6b0
[  255.612635]  ? pmd_devmap_trans_unstable+0x220/0x220
[  255.618025]  ? mark_held_locks+0x130/0x130
[  255.622259]  ? mark_held_locks+0x130/0x130
[  255.626489]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.632281]  ? rcu_softirq_qs+0x20/0x20
[  255.636265]  ? kasan_check_write+0x14/0x20
[  255.640499]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.646041]  __handle_mm_fault+0x3ea0/0x5be0
[  255.650459]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  255.655301]  ? aa_path_link+0x5e0/0x5e0
[  255.659279]  ? ksys_dup3+0x680/0x680
[  255.663009]  ? zap_class+0x640/0x640
[  255.666728]  ? zap_class+0x640/0x640
[  255.670435]  ? __x64_sys_futex+0x53e/0x6a0
[  255.674669]  ? find_held_lock+0x36/0x1c0
[  255.678739]  ? handle_mm_fault+0x42a/0xc70
[  255.682977]  ? lock_downgrade+0x900/0x900
[  255.687125]  ? check_preemption_disabled+0x48/0x280
[  255.692140]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  255.697066]  ? kasan_check_read+0x11/0x20
[  255.701213]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  255.706484]  ? rcu_softirq_qs+0x20/0x20
[  255.710456]  ? trace_hardirqs_off_caller+0x310/0x310
[  255.715556]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  255.721091]  ? check_preemption_disabled+0x48/0x280
[  255.726108]  handle_mm_fault+0x54f/0xc70
[  255.730168]  ? __handle_mm_fault+0x5be0/0x5be0
[  255.734750]  ? find_vma+0x34/0x190
[  255.738293]  __do_page_fault+0x5e8/0xe60
[  255.742351]  ? trace_hardirqs_off+0xb8/0x310
[  255.746769]  do_page_fault+0xf2/0x7e0
[  255.750572]  ? vmalloc_sync_all+0x30/0x30
[  255.754723]  ? error_entry+0x70/0xd0
[  255.758434]  ? trace_hardirqs_off_caller+0xbb/0x310
[  255.763444]  ? trace_hardirqs_on_caller+0xc0/0x310
[  255.768374]  ? syscall_return_slowpath+0x5e0/0x5e0
[  255.773300]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.778144]  ? trace_hardirqs_on_caller+0x310/0x310
[  255.783158]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  255.788612]  ? prepare_exit_to_usermode+0x291/0x3b0
[  255.793627]  ? page_fault+0x8/0x30
[  255.797165]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  255.802009]  ? page_fault+0x8/0x30
[  255.805548]  page_fault+0x1e/0x30
[  255.809001] RIP: 0033:0x40f9c0
[  255.812203] Code: Bad RIP value.
[  255.815584] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  255.820945] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  255.828215] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  255.835481] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  255.842746] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  255.850013] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  255.857300] warn_alloc_show_mem: 1 callbacks suppressed
[  255.857310] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  255.857311] Mem-Info:
[  255.857342] active_anon:51741 inactive_anon:192 isolated_anon:0
[  255.857342]  active_file:28 inactive_file:10 isolated_file:0
[  255.857342]  unevictable:0 dirty:0 writeback:0 unstable:0
[  255.857342]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  255.857342]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  255.857342]  free:13684 free_pcp:150 free_cma:0
[  255.862680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  255.869962] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  255.872347] Call Trace:
[  255.905219] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  255.914564]  <IRQ>
[  255.942120] lowmem_reserve[]: 0 2818 6321 6321
[  255.944722]  dump_stack+0x244/0x39d
[  255.970793] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  255.972941]  ? dump_stack_print_info.cold.1+0x20/0x20
[  255.977492] lowmem_reserve[]: 0 0 3503 3503
[  255.981121]  warn_alloc.cold.116+0xb7/0x1bd
[  256.008670] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  256.013861]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  256.018151] lowmem_reserve[]: 0 0 0 0
[  256.022469]  ? lock_downgrade+0x900/0x900
[  256.051326] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  256.056170]  ? trace_hardirqs_off+0xb8/0x310
[  256.059947] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  256.064091]  ? trace_hardirqs_off+0xb8/0x310
[  256.077584] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  256.081997]  __alloc_pages_slowpath+0x26e8/0x2e10
[  256.097230] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  256.101678]  ? warn_alloc+0x120/0x120
[  256.116885] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  256.121712]  ? print_usage_bug+0xc0/0xc0
[  256.130521] 281 total pagecache pages
[  256.134308]  ? warn_alloc+0x120/0x120
[  256.142870] 0 pages in swap cache
[  256.146927]  ? warn_alloc+0x120/0x120
[  256.150710] Swap cache stats: add 0, delete 0, find 0/0
[  256.154509]  ? print_usage_bug+0xc0/0xc0
[  256.157938] Free swap  = 0kB
[  256.161728]  ? kvm_clock_read+0x18/0x30
[  256.167070] Total swap = 0kB
[  256.171123]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  256.174112] 1965979 pages RAM
[  256.178072]  ? print_usage_bug+0xc0/0xc0
[  256.181072] 0 pages HighMem/MovableOnly
[  256.186078]  ? __lock_acquire+0x62f/0x4c20
[  256.189150] 342854 pages reserved
[  256.189157] 0 pages cma reserved
[  256.193206]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.197224] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  256.201372]  ? should_fail+0x22d/0xd01
[  256.201391]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.204876] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  256.208172]  ? __lock_acquire+0x62f/0x4c20
[  256.213685] syz-fuzzer cpuset=/ mems_allowed=0
[  256.220178]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  256.254027]  ? __lock_acquire+0x62f/0x4c20
[  256.258255]  ? should_fail+0x22d/0xd01
[  256.262171]  ? mark_held_locks+0x130/0x130
[  256.266407]  ? mark_held_locks+0x130/0x130
[  256.270660]  ? zap_class+0x640/0x640
[  256.274368]  ? print_usage_bug+0xc0/0xc0
[  256.278436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.283974]  ? check_preemption_disabled+0x48/0x280
[  256.288997]  ? __lock_is_held+0xb5/0x140
[  256.293059]  __alloc_pages_nodemask+0xa80/0xde0
[  256.297724]  ? zap_class+0x640/0x640
[  256.301441]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  256.306467]  ? find_held_lock+0x36/0x1c0
[  256.310533]  ? ____cache_alloc_node+0x1c7/0x1e0
[  256.315204]  ? lock_downgrade+0x900/0x900
[  256.319355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.324894]  cache_grow_begin+0xa5/0x8c0
[  256.328951]  ? do_raw_spin_unlock+0xa7/0x330
[  256.333362]  fallback_alloc+0x204/0x2e0
[  256.337337]  ____cache_alloc_node+0x1c7/0x1e0
[  256.341836]  kmem_cache_alloc_node+0xe3/0x730
[  256.346327]  ? ipv6_get_ifaddr+0x42e/0x620
[  256.350566]  __alloc_skb+0x119/0x770
[  256.354276]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.359554]  ? netdev_alloc_frag+0x1f0/0x1f0
[  256.363964]  ? lock_downgrade+0x900/0x900
[  256.368114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.373662]  ? refcount_sub_and_test_checked+0x203/0x310
[  256.379114]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  256.384561]  ? addrconf_rs_timer+0x690/0x690
[  256.388978]  ndisc_alloc_skb+0x144/0x340
[  256.393037]  ndisc_send_rs+0x331/0x6e0
[  256.396929]  addrconf_rs_timer+0x314/0x690
[  256.401163]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.405410]  call_timer_fn+0x272/0x920
[  256.409295]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.413529]  ? process_timeout+0x40/0x40
[  256.417593]  ? __run_timers+0x7da/0xc70
[  256.421563]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.426058]  ? _raw_spin_unlock_irq+0x27/0x80
[  256.430552]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.434782]  ? lockdep_hardirqs_on+0x296/0x5b0
[  256.439389]  ? trace_hardirqs_on+0xbd/0x310
[  256.443723]  ? kasan_check_read+0x11/0x20
[  256.447867]  ? __run_timers+0x7da/0xc70
[  256.451842]  ? trace_hardirqs_off_caller+0x310/0x310
[  256.456952]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  256.461180]  __run_timers+0x7e5/0xc70
[  256.464987]  ? timer_fixup_init+0x70/0x70
[  256.469134]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  256.474149]  ? zap_class+0x640/0x640
[  256.477863]  ? enqueue_hrtimer+0x1a5/0x560
[  256.482101]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  256.487291]  ? find_held_lock+0x36/0x1c0
[  256.491353]  ? zap_class+0x640/0x640
[  256.495070]  ? pvclock_read_flags+0x160/0x160
[  256.499566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.505102]  ? check_preemption_disabled+0x48/0x280
[  256.510124]  ? __lock_is_held+0xb5/0x140
[  256.514185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.519721]  ? check_preemption_disabled+0x48/0x280
[  256.524741]  run_timer_softirq+0x52/0xb0
[  256.528805]  ? rcu_read_lock_sched_held+0x14f/0x180
[  256.533819]  __do_softirq+0x308/0xb7e
[  256.537621]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  256.542119]  ? lock_downgrade+0x900/0x900
[  256.546283]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  256.551405]  ? pvclock_read_flags+0x160/0x160
[  256.555899]  ? lapic_next_event+0x5a/0x90
[  256.560045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.565582]  ? kvm_clock_read+0x18/0x30
[  256.569552]  ? kvm_sched_clock_read+0x9/0x20
[  256.573963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.579498]  ? check_preemption_disabled+0x48/0x280
[  256.584518]  irq_exit+0x17f/0x1c0
[  256.587968]  smp_apic_timer_interrupt+0x1cb/0x760
[  256.592813]  ? smp_reschedule_interrupt+0x109/0x650
[  256.597830]  ? smp_call_function_single_interrupt+0x650/0x650
[  256.603712]  ? interrupt_entry+0xb5/0xc0
[  256.607772]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.612785]  ? trace_hardirqs_off_caller+0xbb/0x310
[  256.617802]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.622661]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.627674]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.632689]  ? task_prio+0x50/0x50
[  256.636246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.641785]  ? check_preemption_disabled+0x48/0x280
[  256.646810]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.651745]  apic_timer_interrupt+0xf/0x20
[  256.655971]  </IRQ>
[  256.658210] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  256.663138] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  256.682052] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  256.689755] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  256.697028] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  256.704295] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  256.711562] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  256.718829] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  256.726132]  skb_clone+0x1bb/0x500
[  256.729674]  ? finish_task_switch+0x1b4/0x910
[  256.734165]  ? skb_split+0x11e0/0x11e0
[  256.738049]  ? preempt_notifier_register+0x200/0x200
[  256.743145]  ? __switch_to_asm+0x34/0x70
[  256.747204]  ? __switch_to_asm+0x34/0x70
[  256.751264]  ? __switch_to_asm+0x40/0x70
[  256.755322]  ? __switch_to_asm+0x34/0x70
[  256.759382]  ? __switch_to_asm+0x40/0x70
[  256.763440]  ? __switch_to_asm+0x34/0x70
[  256.767498]  ? __switch_to_asm+0x40/0x70
[  256.771724]  ? __switch_to_asm+0x34/0x70
[  256.775778]  ? __switch_to_asm+0x34/0x70
[  256.779836]  ? __switch_to_asm+0x40/0x70
[  256.783916]  ? __switch_to_asm+0x34/0x70
[  256.787991]  bpf_clone_redirect+0xb9/0x490
[  256.792314]  ? __schedule+0x8d7/0x21d0
[  256.796732]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  256.801757]  ? __sched_text_start+0x8/0x8
[  256.805910]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  256.810491]  ? retint_kernel+0x2d/0x2d
[  256.814385]  ? trace_hardirqs_on_caller+0xc0/0x310
[  256.819317]  ? find_held_lock+0x36/0x1c0
[  256.823387]  ? lock_acquire+0x1ed/0x520
[  256.827358]  ? bpf_test_run+0x3cb/0x780
[  256.831339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  256.836881]  ? check_preemption_disabled+0x48/0x280
[  256.841907]  ? kasan_check_read+0x11/0x20
[  256.846050]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  256.851324]  ? rcu_softirq_qs+0x20/0x20
[  256.855298]  ? preempt_schedule+0x4d/0x60
[  256.859448]  ? ___preempt_schedule+0x16/0x18
[  256.863865]  ? bpf_test_run+0x25d/0x780
[  256.867853]  ? netlink_diag_dump+0x2a0/0x2a0
[  256.872261]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  256.877795]  ? bpf_test_init.isra.10+0x70/0x100
[  256.882469]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  256.887229]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  256.892067]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  256.897610]  ? fput+0x130/0x1a0
[  256.900889]  ? __bpf_prog_get+0x9b/0x290
[  256.904952]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  256.909789]  ? bpf_prog_test_run+0x130/0x1a0
[  256.914198]  ? __x64_sys_bpf+0x3d8/0x520
[  256.918256]  ? bpf_prog_get+0x20/0x20
[  256.922073]  ? do_syscall_64+0x1b9/0x820
[  256.926130]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  256.931495]  ? syscall_return_slowpath+0x5e0/0x5e0
[  256.936435]  ? trace_hardirqs_on_caller+0x310/0x310
[  256.941452]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  256.946472]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  256.953146]  ? __switch_to_asm+0x40/0x70
[  256.957204]  ? __switch_to_asm+0x34/0x70
[  256.961268]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  256.966115]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  256.971496] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  256.971575] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  256.978515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  256.978521] Call Trace:
[  256.978527]  <IRQ>
[  256.978547]  dump_stack+0x244/0x39d
[  256.978565]  ? dump_stack_print_info.cold.1+0x20/0x20
[  256.985090] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  256.994389]  warn_alloc.cold.116+0xb7/0x1bd
[  256.996939] syz-executor2 cpuset=syz2 mems_allowed=0
[  256.999099]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  257.032572]  ? lock_downgrade+0x900/0x900
[  257.036739]  ? trace_hardirqs_off+0xb8/0x310
[  257.041186]  ? trace_hardirqs_off+0xb8/0x310
[  257.045611]  __alloc_pages_slowpath+0x26e8/0x2e10
[  257.050476]  ? warn_alloc+0x120/0x120
[  257.054277]  ? print_usage_bug+0xc0/0xc0
[  257.058340]  ? warn_alloc+0x120/0x120
[  257.062143]  ? warn_alloc+0x120/0x120
[  257.065946]  ? print_usage_bug+0xc0/0xc0
[  257.070012]  ? print_usage_bug+0xc0/0xc0
[  257.074071]  ? __lock_acquire+0x62f/0x4c20
[  257.078309]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.083854]  ? should_fail+0x22d/0xd01
[  257.087749]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.092858]  ? __lock_acquire+0x62f/0x4c20
[  257.097101]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.102200]  ? __lock_acquire+0x62f/0x4c20
[  257.106434]  ? should_fail+0x22d/0xd01
[  257.110490]  ? find_held_lock+0x36/0x1c0
[  257.114554]  ? mark_held_locks+0x130/0x130
[  257.118795]  ? mark_held_locks+0x130/0x130
[  257.123029]  ? zap_class+0x640/0x640
[  257.126742]  ? zap_class+0x640/0x640
[  257.130458]  ? print_usage_bug+0xc0/0xc0
[  257.134519]  ? do_raw_spin_unlock+0xa7/0x330
[  257.138925]  ? zap_class+0x640/0x640
[  257.142638]  ? print_usage_bug+0xc0/0xc0
[  257.146700]  ? wq_watchdog_touch+0x9c/0xfe
[  257.150943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.156488]  ? check_preemption_disabled+0x48/0x280
[  257.161511]  ? __lock_is_held+0xb5/0x140
[  257.165582]  __alloc_pages_nodemask+0xa80/0xde0
[  257.170256]  ? zap_class+0x640/0x640
[  257.173977]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  257.179004]  ? find_held_lock+0x36/0x1c0
[  257.183093]  ? ____cache_alloc_node+0x1c7/0x1e0
[  257.187763]  ? lock_downgrade+0x900/0x900
[  257.191935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.197475]  cache_grow_begin+0xa5/0x8c0
[  257.201535]  ? do_raw_spin_unlock+0xa7/0x330
[  257.205946]  fallback_alloc+0x204/0x2e0
[  257.209927]  ____cache_alloc_node+0x1c7/0x1e0
[  257.214432]  kmem_cache_alloc_node+0xe3/0x730
[  257.218927]  ? ipv6_get_ifaddr+0x42e/0x620
[  257.223173]  __alloc_skb+0x119/0x770
[  257.226902]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.232187]  ? netdev_alloc_frag+0x1f0/0x1f0
[  257.236598]  ? lock_downgrade+0x900/0x900
[  257.240752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.246306]  ? refcount_sub_and_test_checked+0x203/0x310
[  257.251761]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  257.257384]  ? addrconf_rs_timer+0x690/0x690
[  257.261801]  ndisc_alloc_skb+0x144/0x340
[  257.265871]  ndisc_send_rs+0x331/0x6e0
[  257.269766]  addrconf_rs_timer+0x314/0x690
[  257.274009]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.278264]  call_timer_fn+0x272/0x920
[  257.282154]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.286392]  ? process_timeout+0x40/0x40
[  257.290460]  ? mark_held_locks+0xc7/0x130
[  257.294627]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.299121]  ? _raw_spin_unlock_irq+0x27/0x80
[  257.303613]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.307846]  ? lockdep_hardirqs_on+0x296/0x5b0
[  257.312519]  ? trace_hardirqs_on+0xbd/0x310
[  257.316845]  ? kasan_check_read+0x11/0x20
[  257.320991]  ? __run_timers+0x7da/0xc70
[  257.324969]  ? trace_hardirqs_off_caller+0x310/0x310
[  257.330074]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.334311]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  257.338548]  __run_timers+0x7e5/0xc70
[  257.342456]  ? timer_fixup_init+0x70/0x70
[  257.346604]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  257.351620]  ? zap_class+0x640/0x640
[  257.355338]  ? print_usage_bug+0xc0/0xc0
[  257.359401]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  257.364598]  ? find_held_lock+0x36/0x1c0
[  257.368660]  ? zap_class+0x640/0x640
[  257.372375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.377914]  ? check_preemption_disabled+0x48/0x280
[  257.382939]  ? __lock_is_held+0xb5/0x140
[  257.386999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.392535]  ? check_preemption_disabled+0x48/0x280
[  257.397573]  run_timer_softirq+0x52/0xb0
[  257.401636]  ? rcu_read_lock_sched_held+0x14f/0x180
[  257.406659]  __do_softirq+0x308/0xb7e
[  257.410480]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  257.414974]  ? lock_downgrade+0x900/0x900
[  257.419124]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  257.424233]  ? pvclock_read_flags+0x160/0x160
[  257.428731]  ? lapic_next_event+0x5a/0x90
[  257.432879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.438419]  ? kvm_clock_read+0x18/0x30
[  257.442392]  ? kvm_sched_clock_read+0x9/0x20
[  257.446809]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.452351]  ? check_preemption_disabled+0x48/0x280
[  257.457378]  irq_exit+0x17f/0x1c0
[  257.460843]  smp_apic_timer_interrupt+0x1cb/0x760
[  257.466215]  ? smp_call_function_single_interrupt+0x159/0x650
[  257.472105]  ? smp_call_function_single_interrupt+0x650/0x650
[  257.477989]  ? interrupt_entry+0xb5/0xc0
[  257.482050]  ? trace_hardirqs_off_caller+0xbb/0x310
[  257.487062]  ? trace_hardirqs_off_caller+0xbb/0x310
[  257.492078]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.496921]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.501934]  ? trace_hardirqs_on_caller+0x310/0x310
[  257.506959]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  257.511813]  apic_timer_interrupt+0xf/0x20
[  257.516037]  </IRQ>
[  257.518278] RIP: 0010:write_comp_data+0xd/0x70
[  257.522859] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  257.541774] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  257.549486] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  257.556752] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  257.564021] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  257.571291] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  257.578566] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  257.585858]  ? list_lru_count_one+0x36d/0x450
[  257.590374]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  257.595735]  list_lru_count_one+0x36d/0x450
[  257.600070]  ? list_lru_isolate_move+0x3c0/0x3c0
[  257.604828]  ? shmem_free_inode+0xd0/0xd0
[  257.608980]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.614521]  ? ubifs_shrink_count+0xc4/0x100
[  257.618954]  super_cache_count+0x1b9/0x2e0
[  257.623198]  do_shrink_slab+0x1b1/0xd30
[  257.627176]  ? lock_acquire+0x1ed/0x520
[  257.631677]  ? snapshot_refaults+0x290/0x290
[  257.636090]  ? lock_release+0xa00/0xa00
[  257.640066]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  257.645000]  ? down_read_trylock+0xda/0x140
[  257.649315]  ? shrink_slab+0x207/0x8c0
[  257.653197]  ? downgrade_write+0x270/0x270
[  257.657437]  shrink_slab+0x389/0x8c0
[  257.661151]  ? shrink_active_list+0x1f00/0x1f00
[  257.665829]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  257.671453]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  257.676564]  ? cgroup_procs_write_finish+0xf0/0xf0
[  257.681498]  ? find_held_lock+0x36/0x1c0
[  257.685570]  shrink_node+0x431/0x16b0
[  257.689369]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  257.694687]  ? shrink_node_memcg+0x18f0/0x18f0
[  257.699280]  ? kvm_clock_read+0x18/0x30
[  257.703253]  ? ktime_get+0x2c1/0x400
[  257.706966]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  257.711466]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  257.717003]  ? __cpuset_node_allowed+0x19b/0x660
[  257.721769]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  257.727482]  ? delayacct_end+0x5a/0x100
[  257.731462]  do_try_to_free_pages+0x3e7/0x1290
[  257.736040]  ? zap_class+0x640/0x640
[  257.739766]  ? shrink_node+0x16b0/0x16b0
[  257.743833]  ? __lock_is_held+0xb5/0x140
[  257.747905]  try_to_free_pages+0x4d0/0xb90
[  257.752147]  ? do_try_to_free_pages+0x1290/0x1290
[  257.757002]  ? lock_acquire+0x1ed/0x520
[  257.760975]  ? set_page_refcounted+0x280/0x280
[  257.765562]  ? lock_release+0xa00/0xa00
[  257.769545]  ? _raw_spin_unlock_irq+0x60/0x80
[  257.774054]  ? psi_memstall_enter+0x240/0x2b0
[  257.778561]  ? psi_memstall_tick+0x230/0x230
[  257.782984]  __alloc_pages_slowpath+0xa14/0x2e10
[  257.787779]  ? warn_alloc+0x120/0x120
[  257.791581]  ? mark_held_locks+0x130/0x130
[  257.795831]  ? find_get_entry+0xaae/0x1120
[  257.800078]  ? filemap_map_pages+0x1a20/0x1a20
[  257.804686]  ? zap_class+0x640/0x640
[  257.808407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  257.813944]  ? check_preemption_disabled+0x48/0x280
[  257.818958]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.824494]  ? should_fail+0x22d/0xd01
[  257.828393]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  257.833496]  ? zap_class+0x640/0x640
[  257.837262]  ? __lock_is_held+0xb5/0x140
[  257.841339]  ? mark_held_locks+0x130/0x130
[  257.845581]  ? lock_release+0xa00/0xa00
[  257.849582]  ? perf_trace_sched_process_exec+0x860/0x860
[  257.855051]  ? xa_load+0x2ba/0x460
[  257.858593]  ? lock_downgrade+0x900/0x900
[  257.862744]  ? __might_sleep+0x95/0x190
[  257.866725]  __alloc_pages_nodemask+0xa80/0xde0
[  257.871399]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  257.876415]  ? __page_cache_alloc+0x191/0x5c0
[  257.880905]  ? xa_load+0x2e1/0x460
[  257.884442]  ? xa_clear_mark+0x40/0x40
[  257.888332]  ? zap_class+0x640/0x640
[  257.892049]  ? zap_class+0x640/0x640
[  257.895760]  ? zap_class+0x640/0x640
[  257.899522]  ? __do_page_cache_readahead+0x663/0x810
[  257.904628]  ? find_held_lock+0x36/0x1c0
[  257.908691]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  257.914236]  alloc_pages_current+0x173/0x350
[  257.918650]  __page_cache_alloc+0x38c/0x5c0
[  257.922973]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  257.927899]  ? kasan_check_read+0x11/0x20
[  257.932050]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.937331]  ? generic_perform_write+0x6a0/0x6a0
[  257.942090]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  257.947629]  ? check_preemption_disabled+0x48/0x280
[  257.952654]  filemap_fault+0x1595/0x25f0
[  257.956724]  ? __lock_page_or_retry+0xa00/0xa00
[  257.961397]  ? mark_held_locks+0x130/0x130
[  257.965659]  ? filemap_map_pages+0xd6b/0x1a20
[  257.970155]  ? lock_downgrade+0x900/0x900
[  257.974306]  ? check_preemption_disabled+0x48/0x280
[  257.979323]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  257.984249]  ? kasan_check_read+0x11/0x20
[  257.988396]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  257.993672]  ? rcu_softirq_qs+0x20/0x20
[  257.997654]  ? filemap_map_pages+0xd92/0x1a20
[  258.002158]  ? find_get_entries_tag+0x1400/0x1400
[  258.007013]  ? debug_object_destroy+0x2b0/0x2b0
[  258.011688]  ? lock_pi_update_atomic+0x150/0x150
[  258.016441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.021991]  ? lock_acquire+0x1ed/0x520
[  258.025962]  ? ext4_filemap_fault+0x7a/0xad
[  258.030288]  ? lock_release+0xa00/0xa00
[  258.034257]  ? perf_trace_sched_process_exec+0x860/0x860
[  258.039707]  ? print_usage_bug+0xc0/0xc0
[  258.043775]  ? print_usage_bug+0xc0/0xc0
[  258.047844]  ? down_read+0x8d/0x120
[  258.051466]  ? ext4_filemap_fault+0x7a/0xad
[  258.055794]  ? __down_interruptible+0x700/0x700
[  258.060470]  ext4_filemap_fault+0x82/0xad
[  258.064628]  __do_fault+0x100/0x6b0
[  258.068257]  ? pmd_devmap_trans_unstable+0x220/0x220
[  258.073363]  ? mark_held_locks+0x130/0x130
[  258.077596]  ? mark_held_locks+0x130/0x130
[  258.081829]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.087105]  ? rcu_softirq_qs+0x20/0x20
[  258.091102]  ? kasan_check_write+0x14/0x20
[  258.095335]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.100876]  __handle_mm_fault+0x3ea0/0x5be0
[  258.105292]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  258.110131]  ? aa_path_link+0x5e0/0x5e0
[  258.114110]  ? ksys_dup3+0x680/0x680
[  258.117834]  ? zap_class+0x640/0x640
[  258.121544]  ? zap_class+0x640/0x640
[  258.125258]  ? __x64_sys_futex+0x53e/0x6a0
[  258.129503]  ? find_held_lock+0x36/0x1c0
[  258.133570]  ? handle_mm_fault+0x42a/0xc70
[  258.137816]  ? lock_downgrade+0x900/0x900
[  258.141963]  ? check_preemption_disabled+0x48/0x280
[  258.146982]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  258.151908]  ? kasan_check_read+0x11/0x20
[  258.156059]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.161336]  ? rcu_softirq_qs+0x20/0x20
[  258.165307]  ? trace_hardirqs_off_caller+0x310/0x310
[  258.170412]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.175947]  ? check_preemption_disabled+0x48/0x280
[  258.180972]  handle_mm_fault+0x54f/0xc70
[  258.185032]  ? __handle_mm_fault+0x5be0/0x5be0
[  258.189623]  ? find_vma+0x34/0x190
[  258.193167]  __do_page_fault+0x5e8/0xe60
[  258.197226]  ? trace_hardirqs_off+0xb8/0x310
[  258.201643]  do_page_fault+0xf2/0x7e0
[  258.205445]  ? vmalloc_sync_all+0x30/0x30
[  258.209597]  ? error_entry+0x70/0xd0
[  258.213307]  ? trace_hardirqs_off_caller+0xbb/0x310
[  258.218320]  ? trace_hardirqs_on_caller+0xc0/0x310
[  258.223251]  ? syscall_return_slowpath+0x5e0/0x5e0
[  258.228179]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.233022]  ? trace_hardirqs_on_caller+0x310/0x310
[  258.238032]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  258.243489]  ? prepare_exit_to_usermode+0x291/0x3b0
[  258.248510]  ? page_fault+0x8/0x30
[  258.252049]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  258.256890]  ? page_fault+0x8/0x30
[  258.260433]  page_fault+0x1e/0x30
[  258.263886] RIP: 0033:0x40f9c0
[  258.267092] Code: Bad RIP value.
[  258.270449] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  258.275815] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  258.283079] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  258.290346] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  258.297616] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  258.304880] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  258.312169] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  258.312174] warn_alloc_show_mem: 1 callbacks suppressed
[  258.312180] Mem-Info:
[  258.319460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  258.324833] active_anon:51741 inactive_anon:192 isolated_anon:0
[  258.324833]  active_file:28 inactive_file:10 isolated_file:0
[  258.324833]  unevictable:0 dirty:0 writeback:0 unstable:0
[  258.324833]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  258.324833]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  258.324833]  free:13684 free_pcp:150 free_cma:0
[  258.327202] Call Trace:
[  258.336579] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  258.369606]  <IRQ>
[  258.372176] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  258.399783]  dump_stack+0x244/0x39d
[  258.401896] lowmem_reserve[]: 0 2818 6321 6321
[  258.428014]  ? dump_stack_print_info.cold.1+0x20/0x20
[  258.431626] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  258.436212]  warn_alloc.cold.116+0xb7/0x1bd
[  258.441367] lowmem_reserve[]: 0 0 3503 3503
[  258.468955]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  258.473249] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  258.477568]  ? lock_downgrade+0x900/0x900
[  258.482380] lowmem_reserve[]: 0 0 0 0
[  258.511271]  ? trace_hardirqs_off+0xb8/0x310
[  258.515405] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  258.519203]  ? trace_hardirqs_off+0xb8/0x310
[  258.523582] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  258.537105]  __alloc_pages_slowpath+0x26e8/0x2e10
[  258.541485] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  258.556768]  ? warn_alloc+0x120/0x120
[  258.561568] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  258.576816]  ? print_usage_bug+0xc0/0xc0
[  258.580588] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  258.580597] 281 total pagecache pages
[  258.589427]  ? warn_alloc+0x120/0x120
[  258.593475] 0 pages in swap cache
[  258.602036]  ? warn_alloc+0x120/0x120
[  258.605814] Swap cache stats: add 0, delete 0, find 0/0
[  258.609602]  ? print_usage_bug+0xc0/0xc0
[  258.613036] Free swap  = 0kB
[  258.616829]  ? print_usage_bug+0xc0/0xc0
[  258.622164] Total swap = 0kB
[  258.626223]  ? __lock_acquire+0x62f/0x4c20
[  258.629450] 1965979 pages RAM
[  258.633506]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  258.636492] 0 pages HighMem/MovableOnly
[  258.636499] 342854 pages reserved
[  258.640728]  ? should_fail+0x22d/0xd01
[  258.643801] 0 pages cma reserved
[  258.643884] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  258.649341]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.649356]  ? __lock_acquire+0x62f/0x4c20
[  258.649373]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  258.653386] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  258.656761]  ? __lock_acquire+0x62f/0x4c20
[  258.656776]  ? should_fail+0x22d/0xd01
[  258.660642] syz-fuzzer cpuset=/ mems_allowed=0
[  258.663998]  ? find_held_lock+0x36/0x1c0
[  258.711781]  ? mark_held_locks+0x130/0x130
[  258.716017]  ? mark_held_locks+0x130/0x130
[  258.720248]  ? zap_class+0x640/0x640
[  258.723962]  ? zap_class+0x640/0x640
[  258.727675]  ? print_usage_bug+0xc0/0xc0
[  258.731733]  ? do_raw_spin_unlock+0xa7/0x330
[  258.736142]  ? zap_class+0x640/0x640
[  258.739862]  ? print_usage_bug+0xc0/0xc0
[  258.743922]  ? wq_watchdog_touch+0x9c/0xfe
[  258.748161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.753721]  ? check_preemption_disabled+0x48/0x280
[  258.758745]  ? __lock_is_held+0xb5/0x140
[  258.762830]  __alloc_pages_nodemask+0xa80/0xde0
[  258.767501]  ? zap_class+0x640/0x640
[  258.771222]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  258.776275]  ? find_held_lock+0x36/0x1c0
[  258.780344]  ? ____cache_alloc_node+0x1c7/0x1e0
[  258.785016]  ? lock_downgrade+0x900/0x900
[  258.789173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.794722]  cache_grow_begin+0xa5/0x8c0
[  258.799328]  ? do_raw_spin_unlock+0xa7/0x330
[  258.803747]  fallback_alloc+0x204/0x2e0
[  258.807725]  ____cache_alloc_node+0x1c7/0x1e0
[  258.812221]  kmem_cache_alloc_node+0xe3/0x730
[  258.816717]  ? ipv6_get_ifaddr+0x42e/0x620
[  258.820957]  __alloc_skb+0x119/0x770
[  258.824672]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  258.829948]  ? netdev_alloc_frag+0x1f0/0x1f0
[  258.834357]  ? lock_downgrade+0x900/0x900
[  258.838521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.844060]  ? refcount_sub_and_test_checked+0x203/0x310
[  258.849516]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  258.854972]  ? addrconf_rs_timer+0x690/0x690
[  258.859389]  ndisc_alloc_skb+0x144/0x340
[  258.863459]  ndisc_send_rs+0x331/0x6e0
[  258.867358]  addrconf_rs_timer+0x314/0x690
[  258.871597]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.875843]  call_timer_fn+0x272/0x920
[  258.879728]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.883961]  ? process_timeout+0x40/0x40
[  258.888041]  ? __run_timers+0x7da/0xc70
[  258.892018]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.896509]  ? _raw_spin_unlock_irq+0x27/0x80
[  258.901001]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.905264]  ? lockdep_hardirqs_on+0x296/0x5b0
[  258.909850]  ? trace_hardirqs_on+0xbd/0x310
[  258.914174]  ? kasan_check_read+0x11/0x20
[  258.918321]  ? __run_timers+0x7da/0xc70
[  258.922295]  ? trace_hardirqs_off_caller+0x310/0x310
[  258.927399]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.931644]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  258.935880]  __run_timers+0x7e5/0xc70
[  258.939689]  ? timer_fixup_init+0x70/0x70
[  258.943844]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  258.948861]  ? zap_class+0x640/0x640
[  258.952579]  ? enqueue_hrtimer+0x1a5/0x560
[  258.956816]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  258.962017]  ? find_held_lock+0x36/0x1c0
[  258.966085]  ? zap_class+0x640/0x640
[  258.969890]  ? pvclock_read_flags+0x160/0x160
[  258.974389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.979931]  ? check_preemption_disabled+0x48/0x280
[  258.984956]  ? __lock_is_held+0xb5/0x140
[  258.989017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  258.994559]  ? check_preemption_disabled+0x48/0x280
[  258.999586]  run_timer_softirq+0x52/0xb0
[  259.003653]  ? rcu_read_lock_sched_held+0x14f/0x180
[  259.008670]  __do_softirq+0x308/0xb7e
[  259.012477]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  259.016970]  ? lock_downgrade+0x900/0x900
[  259.021124]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  259.026233]  ? pvclock_read_flags+0x160/0x160
[  259.030732]  ? lapic_next_event+0x5a/0x90
[  259.035055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.040604]  ? kvm_clock_read+0x18/0x30
[  259.044580]  ? kvm_sched_clock_read+0x9/0x20
[  259.048992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.054535]  ? check_preemption_disabled+0x48/0x280
[  259.059582]  irq_exit+0x17f/0x1c0
[  259.063062]  smp_apic_timer_interrupt+0x1cb/0x760
[  259.067904]  ? smp_reschedule_interrupt+0x109/0x650
[  259.072924]  ? smp_call_function_single_interrupt+0x650/0x650
[  259.078808]  ? interrupt_entry+0xb5/0xc0
[  259.082872]  ? trace_hardirqs_off_caller+0xbb/0x310
[  259.087886]  ? trace_hardirqs_off_caller+0xbb/0x310
[  259.092903]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.097746]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.102756]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.107770]  ? task_prio+0x50/0x50
[  259.111310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.116852]  ? check_preemption_disabled+0x48/0x280
[  259.121872]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.126723]  apic_timer_interrupt+0xf/0x20
[  259.130952]  </IRQ>
[  259.133194] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  259.138126] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  259.157031] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  259.164740] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  259.172010] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  259.179280] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  259.186546] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  259.193814] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  259.201126]  skb_clone+0x1bb/0x500
[  259.204671]  ? finish_task_switch+0x1b4/0x910
[  259.209174]  ? skb_split+0x11e0/0x11e0
[  259.213064]  ? preempt_notifier_register+0x200/0x200
[  259.218168]  ? __switch_to_asm+0x34/0x70
[  259.222229]  ? __switch_to_asm+0x34/0x70
[  259.226457]  ? __switch_to_asm+0x40/0x70
[  259.230515]  ? __switch_to_asm+0x34/0x70
[  259.234571]  ? __switch_to_asm+0x40/0x70
[  259.238629]  ? __switch_to_asm+0x34/0x70
[  259.242689]  ? __switch_to_asm+0x40/0x70
[  259.246745]  ? __switch_to_asm+0x34/0x70
[  259.250806]  ? __switch_to_asm+0x34/0x70
[  259.254863]  ? __switch_to_asm+0x40/0x70
[  259.258918]  ? __switch_to_asm+0x34/0x70
[  259.262986]  bpf_clone_redirect+0xb9/0x490
[  259.267222]  ? __schedule+0x8d7/0x21d0
[  259.271116]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  259.276143]  ? __sched_text_start+0x8/0x8
[  259.280296]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  259.284874]  ? retint_kernel+0x2d/0x2d
[  259.288760]  ? trace_hardirqs_on_caller+0xc0/0x310
[  259.293691]  ? find_held_lock+0x36/0x1c0
[  259.297755]  ? lock_acquire+0x1ed/0x520
[  259.301733]  ? bpf_test_run+0x3cb/0x780
[  259.305709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.311250]  ? check_preemption_disabled+0x48/0x280
[  259.316273]  ? kasan_check_read+0x11/0x20
[  259.320419]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.325694]  ? rcu_softirq_qs+0x20/0x20
[  259.329666]  ? preempt_schedule+0x4d/0x60
[  259.333812]  ? ___preempt_schedule+0x16/0x18
[  259.338225]  ? bpf_test_run+0x25d/0x780
[  259.342210]  ? netlink_diag_dump+0x2a0/0x2a0
[  259.346624]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.352165]  ? bpf_test_init.isra.10+0x70/0x100
[  259.356837]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  259.361600]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  259.366442]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  259.371978]  ? fput+0x130/0x1a0
[  259.375257]  ? __bpf_prog_get+0x9b/0x290
[  259.379323]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  259.384166]  ? bpf_prog_test_run+0x130/0x1a0
[  259.388577]  ? __x64_sys_bpf+0x3d8/0x520
[  259.392641]  ? bpf_prog_get+0x20/0x20
[  259.396458]  ? do_syscall_64+0x1b9/0x820
[  259.400519]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  259.405885]  ? syscall_return_slowpath+0x5e0/0x5e0
[  259.410820]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.415839]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  259.421468]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  259.428142]  ? __switch_to_asm+0x40/0x70
[  259.432198]  ? __switch_to_asm+0x34/0x70
[  259.436264]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.441111]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  259.446510] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  259.446602] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  259.453534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  259.453539] Call Trace:
[  259.453547]  <IRQ>
[  259.453566]  dump_stack+0x244/0x39d
[  259.453583]  ? dump_stack_print_info.cold.1+0x20/0x20
[  259.460147] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  259.469416]  warn_alloc.cold.116+0xb7/0x1bd
[  259.471966] syz-executor2 cpuset=syz2 mems_allowed=0
[  259.474107]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  259.507594]  ? lock_downgrade+0x900/0x900
[  259.511758]  ? trace_hardirqs_off+0xb8/0x310
[  259.516172]  ? trace_hardirqs_off+0xb8/0x310
[  259.520586]  __alloc_pages_slowpath+0x26e8/0x2e10
[  259.525456]  ? warn_alloc+0x120/0x120
[  259.529263]  ? print_usage_bug+0xc0/0xc0
[  259.533327]  ? warn_alloc+0x120/0x120
[  259.537135]  ? warn_alloc+0x120/0x120
[  259.540936]  ? print_usage_bug+0xc0/0xc0
[  259.544999]  ? print_usage_bug+0xc0/0xc0
[  259.549063]  ? __lock_acquire+0x62f/0x4c20
[  259.553307]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.558848]  ? should_fail+0x22d/0xd01
[  259.562739]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.567845]  ? __lock_acquire+0x62f/0x4c20
[  259.572083]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  259.577186]  ? __lock_acquire+0x62f/0x4c20
[  259.581424]  ? should_fail+0x22d/0xd01
[  259.585312]  ? find_held_lock+0x36/0x1c0
[  259.589385]  ? mark_held_locks+0x130/0x130
[  259.593633]  ? mark_held_locks+0x130/0x130
[  259.597868]  ? zap_class+0x640/0x640
[  259.601586]  ? zap_class+0x640/0x640
[  259.605321]  ? print_usage_bug+0xc0/0xc0
[  259.609385]  ? do_raw_spin_unlock+0xa7/0x330
[  259.613794]  ? zap_class+0x640/0x640
[  259.617510]  ? print_usage_bug+0xc0/0xc0
[  259.621568]  ? wq_watchdog_touch+0x9c/0xfe
[  259.625808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.631852]  ? check_preemption_disabled+0x48/0x280
[  259.636879]  ? __lock_is_held+0xb5/0x140
[  259.640946]  __alloc_pages_nodemask+0xa80/0xde0
[  259.645617]  ? zap_class+0x640/0x640
[  259.649335]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  259.654369]  ? find_held_lock+0x36/0x1c0
[  259.658438]  ? ____cache_alloc_node+0x1c7/0x1e0
[  259.663105]  ? lock_downgrade+0x900/0x900
[  259.667261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.672800]  cache_grow_begin+0xa5/0x8c0
[  259.676858]  ? do_raw_spin_unlock+0xa7/0x330
[  259.681277]  fallback_alloc+0x204/0x2e0
[  259.685259]  ____cache_alloc_node+0x1c7/0x1e0
[  259.689757]  kmem_cache_alloc_node+0xe3/0x730
[  259.694258]  ? ipv6_get_ifaddr+0x42e/0x620
[  259.698507]  __alloc_skb+0x119/0x770
[  259.702223]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  259.707503]  ? netdev_alloc_frag+0x1f0/0x1f0
[  259.712269]  ? lock_downgrade+0x900/0x900
[  259.716603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.722142]  ? refcount_sub_and_test_checked+0x203/0x310
[  259.727600]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  259.733050]  ? addrconf_rs_timer+0x690/0x690
[  259.737469]  ndisc_alloc_skb+0x144/0x340
[  259.741533]  ndisc_send_rs+0x331/0x6e0
[  259.745424]  addrconf_rs_timer+0x314/0x690
[  259.749666]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.753908]  call_timer_fn+0x272/0x920
[  259.757793]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.762033]  ? process_timeout+0x40/0x40
[  259.766105]  ? mark_held_locks+0xc7/0x130
[  259.770269]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.774775]  ? _raw_spin_unlock_irq+0x27/0x80
[  259.779278]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.783523]  ? lockdep_hardirqs_on+0x296/0x5b0
[  259.788113]  ? trace_hardirqs_on+0xbd/0x310
[  259.792436]  ? kasan_check_read+0x11/0x20
[  259.796583]  ? __run_timers+0x7da/0xc70
[  259.800564]  ? trace_hardirqs_off_caller+0x310/0x310
[  259.805676]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.809913]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  259.814145]  __run_timers+0x7e5/0xc70
[  259.818829]  ? timer_fixup_init+0x70/0x70
[  259.822978]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  259.828003]  ? zap_class+0x640/0x640
[  259.831721]  ? print_usage_bug+0xc0/0xc0
[  259.835784]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  259.841066]  ? find_held_lock+0x36/0x1c0
[  259.845128]  ? zap_class+0x640/0x640
[  259.848844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.854385]  ? check_preemption_disabled+0x48/0x280
[  259.859412]  ? __lock_is_held+0xb5/0x140
[  259.863474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.869014]  ? check_preemption_disabled+0x48/0x280
[  259.874036]  run_timer_softirq+0x52/0xb0
[  259.878103]  ? rcu_read_lock_sched_held+0x14f/0x180
[  259.883122]  __do_softirq+0x308/0xb7e
[  259.886924]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  259.891427]  ? lock_downgrade+0x900/0x900
[  259.895577]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  259.900692]  ? pvclock_read_flags+0x160/0x160
[  259.905194]  ? lapic_next_event+0x5a/0x90
[  259.909351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  259.914896]  ? kvm_clock_read+0x18/0x30
[  259.918870]  ? kvm_sched_clock_read+0x9/0x20
[  259.923281]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  259.928819]  ? check_preemption_disabled+0x48/0x280
[  259.933846]  irq_exit+0x17f/0x1c0
[  259.937301]  smp_apic_timer_interrupt+0x1cb/0x760
[  259.942148]  ? smp_call_function_single_interrupt+0x159/0x650
[  259.948034]  ? smp_call_function_single_interrupt+0x650/0x650
[  259.953920]  ? interrupt_entry+0xb5/0xc0
[  259.957985]  ? trace_hardirqs_off_caller+0xbb/0x310
[  259.962999]  ? trace_hardirqs_off_caller+0xbb/0x310
[  259.968017]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.972858]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.977870]  ? trace_hardirqs_on_caller+0x310/0x310
[  259.982893]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  259.987749]  apic_timer_interrupt+0xf/0x20
[  259.991979]  </IRQ>
[  259.994221] RIP: 0010:write_comp_data+0xd/0x70
[  259.998801] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  260.017703] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  260.025412] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  260.032764] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  260.040035] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  260.047330] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  260.054600] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  260.061894]  ? list_lru_count_one+0x36d/0x450
[  260.066399]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  260.071762]  list_lru_count_one+0x36d/0x450
[  260.076083]  ? list_lru_isolate_move+0x3c0/0x3c0
[  260.080836]  ? shmem_free_inode+0xd0/0xd0
[  260.084985]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.090522]  ? ubifs_shrink_count+0xc4/0x100
[  260.094936]  super_cache_count+0x1b9/0x2e0
[  260.099181]  do_shrink_slab+0x1b1/0xd30
[  260.103159]  ? lock_acquire+0x1ed/0x520
[  260.107138]  ? snapshot_refaults+0x290/0x290
[  260.111548]  ? lock_release+0xa00/0xa00
[  260.115532]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  260.120475]  ? down_read_trylock+0xda/0x140
[  260.124794]  ? shrink_slab+0x207/0x8c0
[  260.128678]  ? downgrade_write+0x270/0x270
[  260.132921]  shrink_slab+0x389/0x8c0
[  260.136638]  ? shrink_active_list+0x1f00/0x1f00
[  260.141323]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  260.146954]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  260.152063]  ? cgroup_procs_write_finish+0xf0/0xf0
[  260.156997]  ? find_held_lock+0x36/0x1c0
[  260.161063]  shrink_node+0x431/0x16b0
[  260.164870]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  260.170166]  ? shrink_node_memcg+0x18f0/0x18f0
[  260.174755]  ? kvm_clock_read+0x18/0x30
[  260.178745]  ? ktime_get+0x2c1/0x400
[  260.182461]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  260.186955]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  260.192488]  ? __cpuset_node_allowed+0x19b/0x660
[  260.197247]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  260.202965]  ? delayacct_end+0x5a/0x100
[  260.206948]  do_try_to_free_pages+0x3e7/0x1290
[  260.211619]  ? zap_class+0x640/0x640
[  260.215348]  ? shrink_node+0x16b0/0x16b0
[  260.219411]  ? __lock_is_held+0xb5/0x140
[  260.223483]  try_to_free_pages+0x4d0/0xb90
[  260.227728]  ? do_try_to_free_pages+0x1290/0x1290
[  260.232583]  ? lock_acquire+0x1ed/0x520
[  260.236560]  ? set_page_refcounted+0x280/0x280
[  260.241147]  ? lock_release+0xa00/0xa00
[  260.245121]  ? _raw_spin_unlock_irq+0x60/0x80
[  260.249616]  ? psi_memstall_enter+0x240/0x2b0
[  260.254112]  ? psi_memstall_tick+0x230/0x230
[  260.258530]  __alloc_pages_slowpath+0xa14/0x2e10
[  260.263324]  ? warn_alloc+0x120/0x120
[  260.267123]  ? mark_held_locks+0x130/0x130
[  260.271360]  ? find_get_entry+0xaae/0x1120
[  260.275602]  ? filemap_map_pages+0x1a20/0x1a20
[  260.280189]  ? zap_class+0x640/0x640
[  260.283908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.289465]  ? check_preemption_disabled+0x48/0x280
[  260.294576]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.300112]  ? should_fail+0x22d/0xd01
[  260.304003]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  260.309110]  ? zap_class+0x640/0x640
[  260.312843]  ? __lock_is_held+0xb5/0x140
[  260.316920]  ? mark_held_locks+0x130/0x130
[  260.321157]  ? lock_release+0xa00/0xa00
[  260.325131]  ? perf_trace_sched_process_exec+0x860/0x860
[  260.330585]  ? xa_load+0x2ba/0x460
[  260.334123]  ? lock_downgrade+0x900/0x900
[  260.338274]  ? __might_sleep+0x95/0x190
[  260.342272]  __alloc_pages_nodemask+0xa80/0xde0
[  260.346957]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  260.351997]  ? __page_cache_alloc+0x191/0x5c0
[  260.356491]  ? xa_load+0x2e1/0x460
[  260.360028]  ? xa_clear_mark+0x40/0x40
[  260.363926]  ? zap_class+0x640/0x640
[  260.367650]  ? zap_class+0x640/0x640
[  260.371367]  ? zap_class+0x640/0x640
[  260.375088]  ? __do_page_cache_readahead+0x663/0x810
[  260.380207]  ? find_held_lock+0x36/0x1c0
[  260.384288]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  260.389840]  alloc_pages_current+0x173/0x350
[  260.394265]  __page_cache_alloc+0x38c/0x5c0
[  260.398597]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  260.403530]  ? kasan_check_read+0x11/0x20
[  260.407691]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.412981]  ? generic_perform_write+0x6a0/0x6a0
[  260.417751]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.423304]  ? check_preemption_disabled+0x48/0x280
[  260.428336]  filemap_fault+0x1595/0x25f0
[  260.432417]  ? __lock_page_or_retry+0xa00/0xa00
[  260.437100]  ? mark_held_locks+0x130/0x130
[  260.441349]  ? filemap_map_pages+0xd6b/0x1a20
[  260.445848]  ? lock_downgrade+0x900/0x900
[  260.449996]  ? check_preemption_disabled+0x48/0x280
[  260.455021]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  260.459959]  ? kasan_check_read+0x11/0x20
[  260.464112]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.469397]  ? rcu_softirq_qs+0x20/0x20
[  260.473398]  ? filemap_map_pages+0xd92/0x1a20
[  260.477907]  ? find_get_entries_tag+0x1400/0x1400
[  260.482762]  ? debug_object_destroy+0x2b0/0x2b0
[  260.487434]  ? lock_pi_update_atomic+0x150/0x150
[  260.492194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  260.497750]  ? lock_acquire+0x1ed/0x520
[  260.501814]  ? ext4_filemap_fault+0x7a/0xad
[  260.506146]  ? lock_release+0xa00/0xa00
[  260.510126]  ? perf_trace_sched_process_exec+0x860/0x860
[  260.515588]  ? print_usage_bug+0xc0/0xc0
[  260.519659]  ? print_usage_bug+0xc0/0xc0
[  260.523733]  ? down_read+0x8d/0x120
[  260.527358]  ? ext4_filemap_fault+0x7a/0xad
[  260.531685]  ? __down_interruptible+0x700/0x700
[  260.536368]  ext4_filemap_fault+0x82/0xad
[  260.540520]  __do_fault+0x100/0x6b0
[  260.544160]  ? pmd_devmap_trans_unstable+0x220/0x220
[  260.549283]  ? mark_held_locks+0x130/0x130
[  260.553528]  ? mark_held_locks+0x130/0x130
[  260.557767]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.563050]  ? rcu_softirq_qs+0x20/0x20
[  260.567037]  ? kasan_check_write+0x14/0x20
[  260.571287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.576833]  __handle_mm_fault+0x3ea0/0x5be0
[  260.581268]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  260.586120]  ? aa_path_link+0x5e0/0x5e0
[  260.590102]  ? ksys_dup3+0x680/0x680
[  260.593836]  ? zap_class+0x640/0x640
[  260.597552]  ? zap_class+0x640/0x640
[  260.601278]  ? __x64_sys_futex+0x53e/0x6a0
[  260.605524]  ? find_held_lock+0x36/0x1c0
[  260.609598]  ? handle_mm_fault+0x42a/0xc70
[  260.613837]  ? lock_downgrade+0x900/0x900
[  260.617988]  ? check_preemption_disabled+0x48/0x280
[  260.623008]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  260.627939]  ? kasan_check_read+0x11/0x20
[  260.632087]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  260.637369]  ? rcu_softirq_qs+0x20/0x20
[  260.641348]  ? trace_hardirqs_off_caller+0x310/0x310
[  260.646454]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  260.651995]  ? check_preemption_disabled+0x48/0x280
[  260.657017]  handle_mm_fault+0x54f/0xc70
[  260.661080]  ? __handle_mm_fault+0x5be0/0x5be0
[  260.665665]  ? find_vma+0x34/0x190
[  260.669207]  __do_page_fault+0x5e8/0xe60
[  260.673273]  ? trace_hardirqs_off+0xb8/0x310
[  260.677692]  do_page_fault+0xf2/0x7e0
[  260.681492]  ? vmalloc_sync_all+0x30/0x30
[  260.685646]  ? error_entry+0x70/0xd0
[  260.689360]  ? trace_hardirqs_off_caller+0xbb/0x310
[  260.694372]  ? trace_hardirqs_on_caller+0xc0/0x310
[  260.699302]  ? syscall_return_slowpath+0x5e0/0x5e0
[  260.704240]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.709095]  ? trace_hardirqs_on_caller+0x310/0x310
[  260.714109]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  260.719562]  ? prepare_exit_to_usermode+0x291/0x3b0
[  260.724580]  ? page_fault+0x8/0x30
[  260.728121]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  260.732962]  ? page_fault+0x8/0x30
[  260.736501]  page_fault+0x1e/0x30
[  260.739959] RIP: 0033:0x40f9c0
[  260.743163] Code: Bad RIP value.
[  260.746525] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  260.751883] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  260.759151] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  260.766434] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  260.773700] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  260.780967] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  260.788262] warn_alloc_show_mem: 1 callbacks suppressed
[  260.788272] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  260.788274] Mem-Info:
[  260.788306] active_anon:51741 inactive_anon:192 isolated_anon:0
[  260.788306]  active_file:28 inactive_file:10 isolated_file:0
[  260.788306]  unevictable:0 dirty:0 writeback:0 unstable:0
[  260.788306]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  260.788306]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  260.788306]  free:13684 free_pcp:150 free_cma:0
[  260.793638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  260.793646] Call Trace:
[  260.801402] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  260.803798]  <IRQ>
[  260.836657] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  260.846027]  dump_stack+0x244/0x39d
[  260.848574] lowmem_reserve[]: 0 2818 6321 6321
[  260.876161]  ? dump_stack_print_info.cold.1+0x20/0x20
[  260.878300] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  260.904417]  warn_alloc.cold.116+0xb7/0x1bd
[  260.908008] lowmem_reserve[]: 0 0 3503 3503
[  260.912582]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  260.917757] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  260.945345]  ? lock_downgrade+0x900/0x900
[  260.949631] lowmem_reserve[]: 0 0 0 0
[  260.953950]  ? trace_hardirqs_off+0xb8/0x310
[  260.958757] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  260.987670]  ? trace_hardirqs_off+0xb8/0x310
[  260.991786] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  260.995586]  __alloc_pages_slowpath+0x26e8/0x2e10
[  260.999958] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  261.013513]  ? warn_alloc+0x120/0x120
[  261.017885] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  261.033133]  ? print_usage_bug+0xc0/0xc0
[  261.037955] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  261.053201]  ? warn_alloc+0x120/0x120
[  261.056973] 281 total pagecache pages
[  261.065802]  ? warn_alloc+0x120/0x120
[  261.069866] 0 pages in swap cache
[  261.078426]  ? print_usage_bug+0xc0/0xc0
[  261.082203] Swap cache stats: add 0, delete 0, find 0/0
[  261.085999]  ? kvm_clock_read+0x18/0x30
[  261.089779] Free swap  = 0kB
[  261.093230]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  261.097255] Total swap = 0kB
[  261.097263] 1965979 pages RAM
[  261.102616]  ? print_usage_bug+0xc0/0xc0
[  261.106557] 0 pages HighMem/MovableOnly
[  261.106564] 342854 pages reserved
[  261.109573]  ? __lock_acquire+0x62f/0x4c20
[  261.114554] 0 pages cma reserved
[  261.114634] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  261.117572]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.117586]  ? should_fail+0x22d/0xd01
[  261.117602]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.120746] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  261.124739]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.128687] syz-fuzzer cpuset=/ mems_allowed=0
[  261.132132]  ? __lock_acquire+0x62f/0x4c20
[  261.184919]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  261.190021]  ? __lock_acquire+0x62f/0x4c20
[  261.194254]  ? should_fail+0x22d/0xd01
[  261.198140]  ? rcu_irq_exit+0x1a2/0x390
[  261.202120]  ? mark_held_locks+0x130/0x130
[  261.206356]  ? mark_held_locks+0x130/0x130
[  261.210595]  ? mark_held_locks+0xc7/0x130
[  261.214744]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  261.219767]  ? zap_class+0x640/0x640
[  261.223482]  ? print_usage_bug+0xc0/0xc0
[  261.227550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.233086]  ? check_preemption_disabled+0x48/0x280
[  261.238109]  ? __lock_is_held+0xb5/0x140
[  261.242179]  __alloc_pages_nodemask+0xa80/0xde0
[  261.246859]  ? zap_class+0x640/0x640
[  261.250577]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  261.255607]  ? find_held_lock+0x36/0x1c0
[  261.259848]  ? ____cache_alloc_node+0x1c7/0x1e0
[  261.264519]  ? lock_downgrade+0x900/0x900
[  261.268674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.274231]  cache_grow_begin+0xa5/0x8c0
[  261.278295]  ? do_raw_spin_unlock+0xa7/0x330
[  261.282708]  fallback_alloc+0x204/0x2e0
[  261.286685]  ____cache_alloc_node+0x1c7/0x1e0
[  261.291182]  kmem_cache_alloc_node+0xe3/0x730
[  261.295683]  ? ipv6_get_ifaddr+0x42e/0x620
[  261.299924]  __alloc_skb+0x119/0x770
[  261.303644]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.308922]  ? netdev_alloc_frag+0x1f0/0x1f0
[  261.313332]  ? lock_downgrade+0x900/0x900
[  261.317485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.323022]  ? refcount_sub_and_test_checked+0x203/0x310
[  261.328473]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  261.333922]  ? addrconf_rs_timer+0x690/0x690
[  261.338346]  ndisc_alloc_skb+0x144/0x340
[  261.342410]  ndisc_send_rs+0x331/0x6e0
[  261.346297]  addrconf_rs_timer+0x314/0x690
[  261.350532]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.354776]  call_timer_fn+0x272/0x920
[  261.358661]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.362896]  ? process_timeout+0x40/0x40
[  261.366964]  ? __run_timers+0x7da/0xc70
[  261.370940]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.375435]  ? _raw_spin_unlock_irq+0x27/0x80
[  261.379927]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.384182]  ? lockdep_hardirqs_on+0x296/0x5b0
[  261.388774]  ? trace_hardirqs_on+0xbd/0x310
[  261.393095]  ? kasan_check_read+0x11/0x20
[  261.397242]  ? __run_timers+0x7da/0xc70
[  261.401217]  ? trace_hardirqs_off_caller+0x310/0x310
[  261.406324]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.410560]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  261.414790]  __run_timers+0x7e5/0xc70
[  261.418598]  ? timer_fixup_init+0x70/0x70
[  261.422747]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  261.427781]  ? zap_class+0x640/0x640
[  261.431497]  ? enqueue_hrtimer+0x1a5/0x560
[  261.435732]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  261.440926]  ? find_held_lock+0x36/0x1c0
[  261.444993]  ? zap_class+0x640/0x640
[  261.448711]  ? pvclock_read_flags+0x160/0x160
[  261.453211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.458747]  ? check_preemption_disabled+0x48/0x280
[  261.463771]  ? __lock_is_held+0xb5/0x140
[  261.467833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.473367]  ? check_preemption_disabled+0x48/0x280
[  261.478385]  run_timer_softirq+0x52/0xb0
[  261.482447]  ? rcu_read_lock_sched_held+0x14f/0x180
[  261.487458]  __do_softirq+0x308/0xb7e
[  261.491262]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  261.495755]  ? lock_downgrade+0x900/0x900
[  261.499906]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  261.505015]  ? pvclock_read_flags+0x160/0x160
[  261.509509]  ? lapic_next_event+0x5a/0x90
[  261.513658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.519202]  ? kvm_clock_read+0x18/0x30
[  261.523171]  ? kvm_sched_clock_read+0x9/0x20
[  261.527586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.533122]  ? check_preemption_disabled+0x48/0x280
[  261.538149]  irq_exit+0x17f/0x1c0
[  261.541607]  smp_apic_timer_interrupt+0x1cb/0x760
[  261.546449]  ? smp_reschedule_interrupt+0x109/0x650
[  261.551466]  ? smp_call_function_single_interrupt+0x650/0x650
[  261.557348]  ? interrupt_entry+0xb5/0xc0
[  261.561408]  ? trace_hardirqs_off_caller+0xbb/0x310
[  261.566425]  ? trace_hardirqs_off_caller+0xbb/0x310
[  261.571440]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.576285]  ? trace_hardirqs_on_caller+0x310/0x310
[  261.581297]  ? trace_hardirqs_on_caller+0x310/0x310
[  261.586311]  ? task_prio+0x50/0x50
[  261.589853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.595389]  ? check_preemption_disabled+0x48/0x280
[  261.600405]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.605252]  apic_timer_interrupt+0xf/0x20
[  261.609477]  </IRQ>
[  261.611721] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  261.616646] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  261.635956] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  261.643666] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  261.650948] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  261.658214] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  261.665479] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  261.672739] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  261.680056]  skb_clone+0x1bb/0x500
[  261.683595]  ? finish_task_switch+0x1b4/0x910
[  261.688088]  ? skb_split+0x11e0/0x11e0
[  261.691973]  ? preempt_notifier_register+0x200/0x200
[  261.697072]  ? __switch_to_asm+0x34/0x70
[  261.701127]  ? __switch_to_asm+0x34/0x70
[  261.705188]  ? __switch_to_asm+0x40/0x70
[  261.709241]  ? __switch_to_asm+0x34/0x70
[  261.713297]  ? __switch_to_asm+0x40/0x70
[  261.717358]  ? __switch_to_asm+0x34/0x70
[  261.721412]  ? __switch_to_asm+0x40/0x70
[  261.725465]  ? __switch_to_asm+0x34/0x70
[  261.729522]  ? __switch_to_asm+0x34/0x70
[  261.733574]  ? __switch_to_asm+0x40/0x70
[  261.737629]  ? __switch_to_asm+0x34/0x70
[  261.741695]  bpf_clone_redirect+0xb9/0x490
[  261.745930]  ? __schedule+0x8d7/0x21d0
[  261.749826]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  261.754840]  ? __sched_text_start+0x8/0x8
[  261.758997]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  261.763573]  ? retint_kernel+0x2d/0x2d
[  261.767460]  ? trace_hardirqs_on_caller+0xc0/0x310
[  261.772389]  ? find_held_lock+0x36/0x1c0
[  261.776456]  ? lock_acquire+0x1ed/0x520
[  261.780427]  ? bpf_test_run+0x3cb/0x780
[  261.784398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  261.789935]  ? check_preemption_disabled+0x48/0x280
[  261.794954]  ? kasan_check_read+0x11/0x20
[  261.799118]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  261.804413]  ? rcu_softirq_qs+0x20/0x20
[  261.808384]  ? preempt_schedule+0x4d/0x60
[  261.812534]  ? ___preempt_schedule+0x16/0x18
[  261.816946]  ? bpf_test_run+0x25d/0x780
[  261.820932]  ? netlink_diag_dump+0x2a0/0x2a0
[  261.825339]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  261.830871]  ? bpf_test_init.isra.10+0x70/0x100
[  261.835544]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  261.840307]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  261.845152]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  261.850696]  ? fput+0x130/0x1a0
[  261.853971]  ? __bpf_prog_get+0x9b/0x290
[  261.858032]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  261.862872]  ? bpf_prog_test_run+0x130/0x1a0
[  261.867280]  ? __x64_sys_bpf+0x3d8/0x520
[  261.871340]  ? bpf_prog_get+0x20/0x20
[  261.875161]  ? do_syscall_64+0x1b9/0x820
[  261.879220]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  261.884580]  ? syscall_return_slowpath+0x5e0/0x5e0
[  261.889509]  ? trace_hardirqs_on_caller+0x310/0x310
[  261.894548]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  261.899564]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  261.906233]  ? __switch_to_asm+0x40/0x70
[  261.910290]  ? __switch_to_asm+0x34/0x70
[  261.914355]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  261.919200]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  261.924579] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  261.924663] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  261.931598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  261.931603] Call Trace:
[  261.931609]  <IRQ>
[  261.931629]  dump_stack+0x244/0x39d
[  261.931648]  ? dump_stack_print_info.cold.1+0x20/0x20
[  261.938209] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  261.947477]  warn_alloc.cold.116+0xb7/0x1bd
[  261.950115] syz-executor2 cpuset=syz2 mems_allowed=0
[  261.952262]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  261.985739]  ? lock_downgrade+0x900/0x900
[  261.989908]  ? trace_hardirqs_off+0xb8/0x310
[  261.994323]  ? trace_hardirqs_off+0xb8/0x310
[  261.998735]  __alloc_pages_slowpath+0x26e8/0x2e10
[  262.003597]  ? warn_alloc+0x120/0x120
[  262.007401]  ? print_usage_bug+0xc0/0xc0
[  262.011458]  ? warn_alloc+0x120/0x120
[  262.015270]  ? warn_alloc+0x120/0x120
[  262.019066]  ? print_usage_bug+0xc0/0xc0
[  262.023126]  ? print_usage_bug+0xc0/0xc0
[  262.027191]  ? __lock_acquire+0x62f/0x4c20
[  262.031427]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.036962]  ? should_fail+0x22d/0xd01
[  262.040850]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.045947]  ? __lock_acquire+0x62f/0x4c20
[  262.050184]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.055281]  ? __lock_acquire+0x62f/0x4c20
[  262.059508]  ? should_fail+0x22d/0xd01
[  262.063394]  ? find_held_lock+0x36/0x1c0
[  262.067461]  ? mark_held_locks+0x130/0x130
[  262.071695]  ? mark_held_locks+0x130/0x130
[  262.075923]  ? zap_class+0x640/0x640
[  262.079633]  ? zap_class+0x640/0x640
[  262.083345]  ? print_usage_bug+0xc0/0xc0
[  262.087405]  ? do_raw_spin_unlock+0xa7/0x330
[  262.091813]  ? zap_class+0x640/0x640
[  262.095523]  ? print_usage_bug+0xc0/0xc0
[  262.099580]  ? wq_watchdog_touch+0x9c/0xfe
[  262.103815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.109354]  ? check_preemption_disabled+0x48/0x280
[  262.114406]  ? __lock_is_held+0xb5/0x140
[  262.118470]  __alloc_pages_nodemask+0xa80/0xde0
[  262.123141]  ? zap_class+0x640/0x640
[  262.126854]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  262.131880]  ? find_held_lock+0x36/0x1c0
[  262.135946]  ? ____cache_alloc_node+0x1c7/0x1e0
[  262.140616]  ? lock_downgrade+0x900/0x900
[  262.144781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.150324]  cache_grow_begin+0xa5/0x8c0
[  262.154383]  ? do_raw_spin_unlock+0xa7/0x330
[  262.158892]  fallback_alloc+0x204/0x2e0
[  262.162868]  ____cache_alloc_node+0x1c7/0x1e0
[  262.167363]  kmem_cache_alloc_node+0xe3/0x730
[  262.171860]  ? ipv6_get_ifaddr+0x42e/0x620
[  262.176105]  __alloc_skb+0x119/0x770
[  262.179822]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.185099]  ? netdev_alloc_frag+0x1f0/0x1f0
[  262.189509]  ? lock_downgrade+0x900/0x900
[  262.193659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.199193]  ? refcount_sub_and_test_checked+0x203/0x310
[  262.204641]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  262.210086]  ? addrconf_rs_timer+0x690/0x690
[  262.214507]  ndisc_alloc_skb+0x144/0x340
[  262.218571]  ndisc_send_rs+0x331/0x6e0
[  262.222458]  addrconf_rs_timer+0x314/0x690
[  262.226693]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.230932]  call_timer_fn+0x272/0x920
[  262.234816]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.239047]  ? process_timeout+0x40/0x40
[  262.243120]  ? mark_held_locks+0xc7/0x130
[  262.247267]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.251755]  ? _raw_spin_unlock_irq+0x27/0x80
[  262.256243]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.260478]  ? lockdep_hardirqs_on+0x296/0x5b0
[  262.265061]  ? trace_hardirqs_on+0xbd/0x310
[  262.269385]  ? kasan_check_read+0x11/0x20
[  262.273526]  ? __run_timers+0x7da/0xc70
[  262.277498]  ? trace_hardirqs_off_caller+0x310/0x310
[  262.282603]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.286844]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  262.291078]  __run_timers+0x7e5/0xc70
[  262.294891]  ? timer_fixup_init+0x70/0x70
[  262.299037]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  262.304053]  ? zap_class+0x640/0x640
[  262.307768]  ? print_usage_bug+0xc0/0xc0
[  262.311927]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  262.317127]  ? find_held_lock+0x36/0x1c0
[  262.321187]  ? zap_class+0x640/0x640
[  262.324901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.330437]  ? check_preemption_disabled+0x48/0x280
[  262.335457]  ? __lock_is_held+0xb5/0x140
[  262.339519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.345052]  ? check_preemption_disabled+0x48/0x280
[  262.350070]  run_timer_softirq+0x52/0xb0
[  262.354137]  ? rcu_read_lock_sched_held+0x14f/0x180
[  262.359152]  __do_softirq+0x308/0xb7e
[  262.362955]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  262.367448]  ? lock_downgrade+0x900/0x900
[  262.371604]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  262.376715]  ? pvclock_read_flags+0x160/0x160
[  262.381211]  ? lapic_next_event+0x5a/0x90
[  262.385366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.390906]  ? kvm_clock_read+0x18/0x30
[  262.394880]  ? kvm_sched_clock_read+0x9/0x20
[  262.399293]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.404826]  ? check_preemption_disabled+0x48/0x280
[  262.409847]  irq_exit+0x17f/0x1c0
[  262.413299]  smp_apic_timer_interrupt+0x1cb/0x760
[  262.418137]  ? smp_call_function_single_interrupt+0x159/0x650
[  262.424016]  ? smp_call_function_single_interrupt+0x650/0x650
[  262.429926]  ? interrupt_entry+0xb5/0xc0
[  262.434006]  ? trace_hardirqs_off_caller+0xbb/0x310
[  262.439019]  ? trace_hardirqs_off_caller+0xbb/0x310
[  262.444034]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.448884]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.453893]  ? trace_hardirqs_on_caller+0x310/0x310
[  262.458918]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  262.463763]  apic_timer_interrupt+0xf/0x20
[  262.467987]  </IRQ>
[  262.470231] RIP: 0010:write_comp_data+0xd/0x70
[  262.474816] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  262.493714] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  262.501417] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  262.508684] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  262.515948] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  262.523213] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  262.530480] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  262.537760]  ? list_lru_count_one+0x36d/0x450
[  262.542267]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  262.547628]  list_lru_count_one+0x36d/0x450
[  262.551947]  ? list_lru_isolate_move+0x3c0/0x3c0
[  262.556698]  ? shmem_free_inode+0xd0/0xd0
[  262.560843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.566391]  ? ubifs_shrink_count+0xc4/0x100
[  262.570802]  super_cache_count+0x1b9/0x2e0
[  262.575040]  do_shrink_slab+0x1b1/0xd30
[  262.579016]  ? lock_acquire+0x1ed/0x520
[  262.582989]  ? snapshot_refaults+0x290/0x290
[  262.587395]  ? lock_release+0xa00/0xa00
[  262.591374]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  262.596309]  ? down_read_trylock+0xda/0x140
[  262.600638]  ? shrink_slab+0x207/0x8c0
[  262.604521]  ? downgrade_write+0x270/0x270
[  262.608761]  shrink_slab+0x389/0x8c0
[  262.612471]  ? shrink_active_list+0x1f00/0x1f00
[  262.617147]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  262.622768]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  262.628115]  ? cgroup_procs_write_finish+0xf0/0xf0
[  262.633051]  ? find_held_lock+0x36/0x1c0
[  262.637128]  shrink_node+0x431/0x16b0
[  262.640927]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  262.646223]  ? shrink_node_memcg+0x18f0/0x18f0
[  262.650806]  ? kvm_clock_read+0x18/0x30
[  262.654777]  ? ktime_get+0x2c1/0x400
[  262.658488]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  262.662984]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  262.668535]  ? __cpuset_node_allowed+0x19b/0x660
[  262.673295]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  262.679005]  ? delayacct_end+0x5a/0x100
[  262.682985]  do_try_to_free_pages+0x3e7/0x1290
[  262.687564]  ? zap_class+0x640/0x640
[  262.691291]  ? shrink_node+0x16b0/0x16b0
[  262.695365]  ? __lock_is_held+0xb5/0x140
[  262.699440]  try_to_free_pages+0x4d0/0xb90
[  262.703674]  ? do_try_to_free_pages+0x1290/0x1290
[  262.708522]  ? lock_acquire+0x1ed/0x520
[  262.712493]  ? set_page_refcounted+0x280/0x280
[  262.717084]  ? lock_release+0xa00/0xa00
[  262.721054]  ? _raw_spin_unlock_irq+0x60/0x80
[  262.725552]  ? psi_memstall_enter+0x240/0x2b0
[  262.730044]  ? psi_memstall_tick+0x230/0x230
[  262.734464]  __alloc_pages_slowpath+0xa14/0x2e10
[  262.739245]  ? warn_alloc+0x120/0x120
[  262.743040]  ? mark_held_locks+0x130/0x130
[  262.747281]  ? find_get_entry+0xaae/0x1120
[  262.751519]  ? filemap_map_pages+0x1a20/0x1a20
[  262.756105]  ? zap_class+0x640/0x640
[  262.759820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.765358]  ? check_preemption_disabled+0x48/0x280
[  262.770373]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.775908]  ? should_fail+0x22d/0xd01
[  262.779798]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  262.784899]  ? zap_class+0x640/0x640
[  262.788631]  ? __lock_is_held+0xb5/0x140
[  262.792694]  ? mark_held_locks+0x130/0x130
[  262.797345]  ? lock_release+0xa00/0xa00
[  262.801343]  ? perf_trace_sched_process_exec+0x860/0x860
[  262.806791]  ? xa_load+0x2ba/0x460
[  262.810344]  ? lock_downgrade+0x900/0x900
[  262.814493]  ? __might_sleep+0x95/0x190
[  262.818467]  __alloc_pages_nodemask+0xa80/0xde0
[  262.823142]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  262.828163]  ? __page_cache_alloc+0x191/0x5c0
[  262.832658]  ? xa_load+0x2e1/0x460
[  262.836196]  ? xa_clear_mark+0x40/0x40
[  262.840084]  ? zap_class+0x640/0x640
[  262.843803]  ? zap_class+0x640/0x640
[  262.847511]  ? zap_class+0x640/0x640
[  262.851221]  ? __do_page_cache_readahead+0x663/0x810
[  262.856327]  ? find_held_lock+0x36/0x1c0
[  262.860392]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  262.865933]  alloc_pages_current+0x173/0x350
[  262.870349]  __page_cache_alloc+0x38c/0x5c0
[  262.874664]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  262.879588]  ? kasan_check_read+0x11/0x20
[  262.883731]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.889007]  ? generic_perform_write+0x6a0/0x6a0
[  262.893763]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  262.899302]  ? check_preemption_disabled+0x48/0x280
[  262.904331]  filemap_fault+0x1595/0x25f0
[  262.908400]  ? __lock_page_or_retry+0xa00/0xa00
[  262.913082]  ? mark_held_locks+0x130/0x130
[  262.917324]  ? filemap_map_pages+0xd6b/0x1a20
[  262.921817]  ? lock_downgrade+0x900/0x900
[  262.925962]  ? check_preemption_disabled+0x48/0x280
[  262.930978]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  262.935903]  ? kasan_check_read+0x11/0x20
[  262.940843]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  262.946212]  ? rcu_softirq_qs+0x20/0x20
[  262.950206]  ? filemap_map_pages+0xd92/0x1a20
[  262.954708]  ? find_get_entries_tag+0x1400/0x1400
[  262.959549]  ? debug_object_destroy+0x2b0/0x2b0
[  262.964220]  ? lock_pi_update_atomic+0x150/0x150
[  262.968973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  262.974516]  ? lock_acquire+0x1ed/0x520
[  262.978487]  ? ext4_filemap_fault+0x7a/0xad
[  262.982808]  ? lock_release+0xa00/0xa00
[  262.986777]  ? perf_trace_sched_process_exec+0x860/0x860
[  262.992225]  ? print_usage_bug+0xc0/0xc0
[  262.996281]  ? print_usage_bug+0xc0/0xc0
[  263.000353]  ? down_read+0x8d/0x120
[  263.003977]  ? ext4_filemap_fault+0x7a/0xad
[  263.008304]  ? __down_interruptible+0x700/0x700
[  263.012982]  ext4_filemap_fault+0x82/0xad
[  263.017130]  __do_fault+0x100/0x6b0
[  263.020778]  ? pmd_devmap_trans_unstable+0x220/0x220
[  263.025884]  ? mark_held_locks+0x130/0x130
[  263.030138]  ? mark_held_locks+0x130/0x130
[  263.034387]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.039668]  ? rcu_softirq_qs+0x20/0x20
[  263.043668]  ? kasan_check_write+0x14/0x20
[  263.047903]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.053442]  __handle_mm_fault+0x3ea0/0x5be0
[  263.057872]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  263.062726]  ? aa_path_link+0x5e0/0x5e0
[  263.066703]  ? ksys_dup3+0x680/0x680
[  263.070425]  ? zap_class+0x640/0x640
[  263.074139]  ? zap_class+0x640/0x640
[  263.077850]  ? __x64_sys_futex+0x53e/0x6a0
[  263.082087]  ? find_held_lock+0x36/0x1c0
[  263.086154]  ? handle_mm_fault+0x42a/0xc70
[  263.090389]  ? lock_downgrade+0x900/0x900
[  263.094533]  ? check_preemption_disabled+0x48/0x280
[  263.099547]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  263.104474]  ? kasan_check_read+0x11/0x20
[  263.108629]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.113904]  ? rcu_softirq_qs+0x20/0x20
[  263.117876]  ? trace_hardirqs_off_caller+0x310/0x310
[  263.122976]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.128509]  ? check_preemption_disabled+0x48/0x280
[  263.133528]  handle_mm_fault+0x54f/0xc70
[  263.137593]  ? __handle_mm_fault+0x5be0/0x5be0
[  263.142179]  ? find_vma+0x34/0x190
[  263.145726]  __do_page_fault+0x5e8/0xe60
[  263.149789]  ? trace_hardirqs_off+0xb8/0x310
[  263.154202]  do_page_fault+0xf2/0x7e0
[  263.157999]  ? vmalloc_sync_all+0x30/0x30
[  263.162154]  ? error_entry+0x70/0xd0
[  263.165867]  ? trace_hardirqs_off_caller+0xbb/0x310
[  263.170881]  ? trace_hardirqs_on_caller+0xc0/0x310
[  263.175807]  ? syscall_return_slowpath+0x5e0/0x5e0
[  263.180734]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.185598]  ? trace_hardirqs_on_caller+0x310/0x310
[  263.190621]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  263.196071]  ? prepare_exit_to_usermode+0x291/0x3b0
[  263.201086]  ? page_fault+0x8/0x30
[  263.204625]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  263.209469]  ? page_fault+0x8/0x30
[  263.213007]  page_fault+0x1e/0x30
[  263.216463] RIP: 0033:0x40f9c0
[  263.219669] Code: Bad RIP value.
[  263.223033] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  263.228394] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  263.235661] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  263.242923] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  263.250189] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  263.257451] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  263.264734] warn_alloc_show_mem: 1 callbacks suppressed
[  263.264744] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  263.264746] Mem-Info:
[  263.264776] active_anon:51741 inactive_anon:192 isolated_anon:0
[  263.264776]  active_file:28 inactive_file:10 isolated_file:0
[  263.264776]  unevictable:0 dirty:0 writeback:0 unstable:0
[  263.264776]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  263.264776]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  263.264776]  free:13684 free_pcp:150 free_cma:0
[  263.270118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  263.277393] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  263.279779] Call Trace:
[  263.312643] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  263.321985]  <IRQ>
[  263.349629] lowmem_reserve[]: 0 2818 6321 6321
[  263.352220]  dump_stack+0x244/0x39d
[  263.378295] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  263.380446]  ? dump_stack_print_info.cold.1+0x20/0x20
[  263.384993] lowmem_reserve[]: 0 0 3503 3503
[  263.388626]  warn_alloc.cold.116+0xb7/0x1bd
[  263.416359] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  263.421629]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  263.425916] lowmem_reserve[]: 0 0 0 0
[  263.430235]  ? lock_downgrade+0x900/0x900
[  263.459091] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  263.463948]  ? trace_hardirqs_off+0xb8/0x310
[  263.467713] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  263.471855]  ? trace_hardirqs_off+0xb8/0x310
[  263.485351] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  263.489762]  __alloc_pages_slowpath+0x26e8/0x2e10
[  263.504988] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  263.509411]  ? warn_alloc+0x120/0x120
[  263.524627] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  263.529455]  ? print_usage_bug+0xc0/0xc0
[  263.538263] 281 total pagecache pages
[  263.542050]  ? warn_alloc+0x120/0x120
[  263.550607] 0 pages in swap cache
[  263.554651]  ? warn_alloc+0x120/0x120
[  263.558424] Swap cache stats: add 0, delete 0, find 0/0
[  263.562212]  ? print_usage_bug+0xc0/0xc0
[  263.565638] Free swap  = 0kB
[  263.569427]  ? kvm_clock_read+0x18/0x30
[  263.574760] Total swap = 0kB
[  263.578809]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  263.581798] 1965979 pages RAM
[  263.585772]  ? print_usage_bug+0xc0/0xc0
[  263.588762] 0 pages HighMem/MovableOnly
[  263.593770]  ? __lock_acquire+0x62f/0x4c20
[  263.596846] 342854 pages reserved
[  263.600899]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  263.604843] 0 pages cma reserved
[  263.609065]  ? should_fail+0x22d/0xd01
[  263.612600] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  263.618016]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.618033]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.618048]  ? __lock_acquire+0x62f/0x4c20
[  263.621449] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  263.625265]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  263.632248] syz-fuzzer cpuset=/ mems_allowed=0
[  263.637522]  ? __lock_acquire+0x62f/0x4c20
[  263.637539]  ? should_fail+0x22d/0xd01
[  263.674794]  ? rcu_irq_exit+0x1a2/0x390
[  263.678775]  ? mark_held_locks+0x130/0x130
[  263.683017]  ? mark_held_locks+0x130/0x130
[  263.687268]  ? mark_held_locks+0xc7/0x130
[  263.691414]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  263.696426]  ? zap_class+0x640/0x640
[  263.700136]  ? print_usage_bug+0xc0/0xc0
[  263.704226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.709767]  ? check_preemption_disabled+0x48/0x280
[  263.714786]  ? __lock_is_held+0xb5/0x140
[  263.718849]  __alloc_pages_nodemask+0xa80/0xde0
[  263.723518]  ? zap_class+0x640/0x640
[  263.727242]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  263.732284]  ? find_held_lock+0x36/0x1c0
[  263.736350]  ? ____cache_alloc_node+0x1c7/0x1e0
[  263.741019]  ? lock_downgrade+0x900/0x900
[  263.745169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.750705]  cache_grow_begin+0xa5/0x8c0
[  263.754781]  ? do_raw_spin_unlock+0xa7/0x330
[  263.759191]  fallback_alloc+0x204/0x2e0
[  263.763168]  ____cache_alloc_node+0x1c7/0x1e0
[  263.767667]  kmem_cache_alloc_node+0xe3/0x730
[  263.772162]  ? ipv6_get_ifaddr+0x42e/0x620
[  263.776402]  __alloc_skb+0x119/0x770
[  263.780112]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  263.785390]  ? netdev_alloc_frag+0x1f0/0x1f0
[  263.789795]  ? lock_downgrade+0x900/0x900
[  263.793946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.799483]  ? refcount_sub_and_test_checked+0x203/0x310
[  263.804932]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  263.810402]  ? addrconf_rs_timer+0x690/0x690
[  263.814818]  ndisc_alloc_skb+0x144/0x340
[  263.818880]  ndisc_send_rs+0x331/0x6e0
[  263.822765]  addrconf_rs_timer+0x314/0x690
[  263.827004]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.831244]  call_timer_fn+0x272/0x920
[  263.835130]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.839364]  ? process_timeout+0x40/0x40
[  263.843426]  ? __run_timers+0x7da/0xc70
[  263.847399]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.851888]  ? _raw_spin_unlock_irq+0x27/0x80
[  263.856381]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.860701]  ? lockdep_hardirqs_on+0x296/0x5b0
[  263.865288]  ? trace_hardirqs_on+0xbd/0x310
[  263.869605]  ? kasan_check_read+0x11/0x20
[  263.873751]  ? __run_timers+0x7da/0xc70
[  263.877727]  ? trace_hardirqs_off_caller+0x310/0x310
[  263.882832]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.887066]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  263.891294]  __run_timers+0x7e5/0xc70
[  263.895101]  ? timer_fixup_init+0x70/0x70
[  263.899248]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  263.904264]  ? zap_class+0x640/0x640
[  263.907981]  ? enqueue_hrtimer+0x1a5/0x560
[  263.912214]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  263.917405]  ? find_held_lock+0x36/0x1c0
[  263.921465]  ? zap_class+0x640/0x640
[  263.925181]  ? pvclock_read_flags+0x160/0x160
[  263.929847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.938507]  ? check_preemption_disabled+0x48/0x280
[  263.943526]  ? __lock_is_held+0xb5/0x140
[  263.947585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  263.953121]  ? check_preemption_disabled+0x48/0x280
[  263.958138]  run_timer_softirq+0x52/0xb0
[  263.962199]  ? rcu_read_lock_sched_held+0x14f/0x180
[  263.967209]  __do_softirq+0x308/0xb7e
[  263.971007]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  263.975497]  ? lock_downgrade+0x900/0x900
[  263.979648]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  263.984752]  ? pvclock_read_flags+0x160/0x160
[  263.990725]  ? lapic_next_event+0x5a/0x90
[  263.994871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.000409]  ? kvm_clock_read+0x18/0x30
[  264.004380]  ? kvm_sched_clock_read+0x9/0x20
[  264.008787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.014320]  ? check_preemption_disabled+0x48/0x280
[  264.019339]  irq_exit+0x17f/0x1c0
[  264.022789]  smp_apic_timer_interrupt+0x1cb/0x760
[  264.027625]  ? smp_reschedule_interrupt+0x109/0x650
[  264.032639]  ? smp_call_function_single_interrupt+0x650/0x650
[  264.038523]  ? interrupt_entry+0xb5/0xc0
[  264.042583]  ? trace_hardirqs_off_caller+0xbb/0x310
[  264.047596]  ? trace_hardirqs_off_caller+0xbb/0x310
[  264.052610]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.057449]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.062461]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.067478]  ? task_prio+0x50/0x50
[  264.071014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.076565]  ? check_preemption_disabled+0x48/0x280
[  264.081581]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.086431]  apic_timer_interrupt+0xf/0x20
[  264.090657]  </IRQ>
[  264.092892] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  264.097816] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  264.116714] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  264.124415] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  264.131678] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  264.138955] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  264.146240] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  264.153597] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  264.160895]  skb_clone+0x1bb/0x500
[  264.164438]  ? finish_task_switch+0x1b4/0x910
[  264.168937]  ? skb_split+0x11e0/0x11e0
[  264.172824]  ? preempt_notifier_register+0x200/0x200
[  264.177919]  ? __switch_to_asm+0x34/0x70
[  264.181979]  ? __switch_to_asm+0x34/0x70
[  264.186033]  ? __switch_to_asm+0x40/0x70
[  264.190086]  ? __switch_to_asm+0x34/0x70
[  264.194139]  ? __switch_to_asm+0x40/0x70
[  264.198196]  ? __switch_to_asm+0x34/0x70
[  264.202251]  ? __switch_to_asm+0x40/0x70
[  264.206309]  ? __switch_to_asm+0x34/0x70
[  264.210367]  ? __switch_to_asm+0x34/0x70
[  264.214425]  ? __switch_to_asm+0x40/0x70
[  264.218488]  ? __switch_to_asm+0x34/0x70
[  264.222553]  bpf_clone_redirect+0xb9/0x490
[  264.226899]  ? __schedule+0x8d7/0x21d0
[  264.230793]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  264.235809]  ? __sched_text_start+0x8/0x8
[  264.241084]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  264.245659]  ? retint_kernel+0x2d/0x2d
[  264.249553]  ? trace_hardirqs_on_caller+0xc0/0x310
[  264.254488]  ? find_held_lock+0x36/0x1c0
[  264.258551]  ? lock_acquire+0x1ed/0x520
[  264.262524]  ? bpf_test_run+0x3cb/0x780
[  264.266496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.272030]  ? check_preemption_disabled+0x48/0x280
[  264.277051]  ? kasan_check_read+0x11/0x20
[  264.281193]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.286466]  ? rcu_softirq_qs+0x20/0x20
[  264.290440]  ? preempt_schedule+0x4d/0x60
[  264.294640]  ? ___preempt_schedule+0x16/0x18
[  264.299067]  ? bpf_test_run+0x25d/0x780
[  264.303049]  ? netlink_diag_dump+0x2a0/0x2a0
[  264.307460]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.312991]  ? bpf_test_init.isra.10+0x70/0x100
[  264.317659]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  264.322421]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  264.327261]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  264.332795]  ? fput+0x130/0x1a0
[  264.336070]  ? __bpf_prog_get+0x9b/0x290
[  264.340129]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  264.344967]  ? bpf_prog_test_run+0x130/0x1a0
[  264.349384]  ? __x64_sys_bpf+0x3d8/0x520
[  264.353438]  ? bpf_prog_get+0x20/0x20
[  264.357253]  ? do_syscall_64+0x1b9/0x820
[  264.361307]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  264.366671]  ? syscall_return_slowpath+0x5e0/0x5e0
[  264.371609]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.376627]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  264.381652]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  264.388317]  ? __switch_to_asm+0x40/0x70
[  264.392373]  ? __switch_to_asm+0x34/0x70
[  264.396436]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.401280]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  264.406655] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  264.406739] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  264.413665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  264.413670] Call Trace:
[  264.413676]  <IRQ>
[  264.413694]  dump_stack+0x244/0x39d
[  264.413715]  ? dump_stack_print_info.cold.1+0x20/0x20
[  264.420272] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  264.429543]  warn_alloc.cold.116+0xb7/0x1bd
[  264.432103] syz-executor2 cpuset=syz2 mems_allowed=0
[  264.434241]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  264.467714]  ? lock_downgrade+0x900/0x900
[  264.471865]  ? trace_hardirqs_off+0xb8/0x310
[  264.476297]  ? trace_hardirqs_off+0xb8/0x310
[  264.480707]  __alloc_pages_slowpath+0x26e8/0x2e10
[  264.485569]  ? warn_alloc+0x120/0x120
[  264.489381]  ? print_usage_bug+0xc0/0xc0
[  264.493450]  ? warn_alloc+0x120/0x120
[  264.497251]  ? warn_alloc+0x120/0x120
[  264.501048]  ? print_usage_bug+0xc0/0xc0
[  264.505108]  ? print_usage_bug+0xc0/0xc0
[  264.509174]  ? __lock_acquire+0x62f/0x4c20
[  264.513414]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.518963]  ? should_fail+0x22d/0xd01
[  264.522849]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.527951]  ? __lock_acquire+0x62f/0x4c20
[  264.532191]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  264.537289]  ? __lock_acquire+0x62f/0x4c20
[  264.541543]  ? should_fail+0x22d/0xd01
[  264.545426]  ? find_held_lock+0x36/0x1c0
[  264.549492]  ? mark_held_locks+0x130/0x130
[  264.553727]  ? mark_held_locks+0x130/0x130
[  264.557955]  ? zap_class+0x640/0x640
[  264.561670]  ? zap_class+0x640/0x640
[  264.565385]  ? print_usage_bug+0xc0/0xc0
[  264.569438]  ? do_raw_spin_unlock+0xa7/0x330
[  264.573844]  ? zap_class+0x640/0x640
[  264.577556]  ? print_usage_bug+0xc0/0xc0
[  264.581615]  ? wq_watchdog_touch+0x9c/0xfe
[  264.585849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.591384]  ? check_preemption_disabled+0x48/0x280
[  264.596405]  ? __lock_is_held+0xb5/0x140
[  264.600471]  __alloc_pages_nodemask+0xa80/0xde0
[  264.605139]  ? zap_class+0x640/0x640
[  264.608856]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  264.613904]  ? find_held_lock+0x36/0x1c0
[  264.617970]  ? ____cache_alloc_node+0x1c7/0x1e0
[  264.622636]  ? lock_downgrade+0x900/0x900
[  264.626784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.632325]  cache_grow_begin+0xa5/0x8c0
[  264.636386]  ? do_raw_spin_unlock+0xa7/0x330
[  264.640801]  fallback_alloc+0x204/0x2e0
[  264.644779]  ____cache_alloc_node+0x1c7/0x1e0
[  264.649274]  kmem_cache_alloc_node+0xe3/0x730
[  264.653767]  ? ipv6_get_ifaddr+0x42e/0x620
[  264.658005]  __alloc_skb+0x119/0x770
[  264.661715]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  264.666992]  ? netdev_alloc_frag+0x1f0/0x1f0
[  264.671401]  ? lock_downgrade+0x900/0x900
[  264.675559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.681094]  ? refcount_sub_and_test_checked+0x203/0x310
[  264.686544]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  264.691991]  ? addrconf_rs_timer+0x690/0x690
[  264.696406]  ndisc_alloc_skb+0x144/0x340
[  264.700466]  ndisc_send_rs+0x331/0x6e0
[  264.704357]  addrconf_rs_timer+0x314/0x690
[  264.708598]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.712848]  call_timer_fn+0x272/0x920
[  264.716737]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.720971]  ? process_timeout+0x40/0x40
[  264.725037]  ? mark_held_locks+0xc7/0x130
[  264.729207]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.733698]  ? _raw_spin_unlock_irq+0x27/0x80
[  264.738189]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.742423]  ? lockdep_hardirqs_on+0x296/0x5b0
[  264.747003]  ? trace_hardirqs_on+0xbd/0x310
[  264.751324]  ? kasan_check_read+0x11/0x20
[  264.755466]  ? __run_timers+0x7da/0xc70
[  264.759440]  ? trace_hardirqs_off_caller+0x310/0x310
[  264.764544]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.768783]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  264.773016]  __run_timers+0x7e5/0xc70
[  264.776822]  ? timer_fixup_init+0x70/0x70
[  264.780967]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  264.785984]  ? zap_class+0x640/0x640
[  264.789699]  ? print_usage_bug+0xc0/0xc0
[  264.793759]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  264.799485]  ? find_held_lock+0x36/0x1c0
[  264.803557]  ? zap_class+0x640/0x640
[  264.807276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.812811]  ? check_preemption_disabled+0x48/0x280
[  264.817835]  ? __lock_is_held+0xb5/0x140
[  264.821906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.827440]  ? check_preemption_disabled+0x48/0x280
[  264.832456]  run_timer_softirq+0x52/0xb0
[  264.836517]  ? rcu_read_lock_sched_held+0x14f/0x180
[  264.841531]  __do_softirq+0x308/0xb7e
[  264.845337]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  264.849850]  ? lock_downgrade+0x900/0x900
[  264.854032]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  264.859225]  ? pvclock_read_flags+0x160/0x160
[  264.863717]  ? lapic_next_event+0x5a/0x90
[  264.867863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  264.873412]  ? kvm_clock_read+0x18/0x30
[  264.877392]  ? kvm_sched_clock_read+0x9/0x20
[  264.881799]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  264.887337]  ? check_preemption_disabled+0x48/0x280
[  264.892384]  irq_exit+0x17f/0x1c0
[  264.895836]  smp_apic_timer_interrupt+0x1cb/0x760
[  264.900687]  ? smp_call_function_single_interrupt+0x159/0x650
[  264.906569]  ? smp_call_function_single_interrupt+0x650/0x650
[  264.912459]  ? interrupt_entry+0xb5/0xc0
[  264.916534]  ? trace_hardirqs_off_caller+0xbb/0x310
[  264.921544]  ? trace_hardirqs_off_caller+0xbb/0x310
[  264.926560]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.931400]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.936413]  ? trace_hardirqs_on_caller+0x310/0x310
[  264.941442]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  264.946288]  apic_timer_interrupt+0xf/0x20
[  264.950515]  </IRQ>
[  264.952753] RIP: 0010:write_comp_data+0xd/0x70
[  264.957333] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  264.976230] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  264.983933] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  264.991201] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  264.998469] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  265.005740] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  265.013003] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  265.020286]  ? list_lru_count_one+0x36d/0x450
[  265.024785]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  265.030149]  list_lru_count_one+0x36d/0x450
[  265.034470]  ? list_lru_isolate_move+0x3c0/0x3c0
[  265.039226]  ? shmem_free_inode+0xd0/0xd0
[  265.043376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.048909]  ? ubifs_shrink_count+0xc4/0x100
[  265.053319]  super_cache_count+0x1b9/0x2e0
[  265.057555]  do_shrink_slab+0x1b1/0xd30
[  265.061531]  ? lock_acquire+0x1ed/0x520
[  265.065503]  ? snapshot_refaults+0x290/0x290
[  265.069910]  ? lock_release+0xa00/0xa00
[  265.073892]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  265.078831]  ? down_read_trylock+0xda/0x140
[  265.083166]  ? shrink_slab+0x207/0x8c0
[  265.087050]  ? downgrade_write+0x270/0x270
[  265.091287]  shrink_slab+0x389/0x8c0
[  265.095000]  ? shrink_active_list+0x1f00/0x1f00
[  265.099675]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  265.105300]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  265.110408]  ? cgroup_procs_write_finish+0xf0/0xf0
[  265.115343]  ? find_held_lock+0x36/0x1c0
[  265.119405]  shrink_node+0x431/0x16b0
[  265.123206]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  265.128501]  ? shrink_node_memcg+0x18f0/0x18f0
[  265.133084]  ? kvm_clock_read+0x18/0x30
[  265.137062]  ? ktime_get+0x2c1/0x400
[  265.140777]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  265.145274]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  265.150805]  ? __cpuset_node_allowed+0x19b/0x660
[  265.155560]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  265.161355]  ? delayacct_end+0x5a/0x100
[  265.165331]  do_try_to_free_pages+0x3e7/0x1290
[  265.169908]  ? zap_class+0x640/0x640
[  265.173631]  ? shrink_node+0x16b0/0x16b0
[  265.177692]  ? __lock_is_held+0xb5/0x140
[  265.181761]  try_to_free_pages+0x4d0/0xb90
[  265.185997]  ? do_try_to_free_pages+0x1290/0x1290
[  265.190858]  ? lock_acquire+0x1ed/0x520
[  265.194827]  ? set_page_refcounted+0x280/0x280
[  265.199416]  ? lock_release+0xa00/0xa00
[  265.203386]  ? _raw_spin_unlock_irq+0x60/0x80
[  265.207877]  ? psi_memstall_enter+0x240/0x2b0
[  265.212369]  ? psi_memstall_tick+0x230/0x230
[  265.216788]  __alloc_pages_slowpath+0xa14/0x2e10
[  265.221566]  ? warn_alloc+0x120/0x120
[  265.225361]  ? mark_held_locks+0x130/0x130
[  265.229596]  ? find_get_entry+0xaae/0x1120
[  265.233845]  ? filemap_map_pages+0x1a20/0x1a20
[  265.238431]  ? zap_class+0x640/0x640
[  265.242162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.247695]  ? check_preemption_disabled+0x48/0x280
[  265.252706]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.258238]  ? should_fail+0x22d/0xd01
[  265.262128]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  265.267227]  ? zap_class+0x640/0x640
[  265.270961]  ? __lock_is_held+0xb5/0x140
[  265.275022]  ? mark_held_locks+0x130/0x130
[  265.279255]  ? lock_release+0xa00/0xa00
[  265.283324]  ? perf_trace_sched_process_exec+0x860/0x860
[  265.288769]  ? xa_load+0x2ba/0x460
[  265.292305]  ? lock_downgrade+0x900/0x900
[  265.296474]  ? __might_sleep+0x95/0x190
[  265.300450]  __alloc_pages_nodemask+0xa80/0xde0
[  265.305122]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  265.310135]  ? __page_cache_alloc+0x191/0x5c0
[  265.314642]  ? xa_load+0x2e1/0x460
[  265.318181]  ? xa_clear_mark+0x40/0x40
[  265.322068]  ? zap_class+0x640/0x640
[  265.325787]  ? zap_class+0x640/0x640
[  265.329505]  ? zap_class+0x640/0x640
[  265.333214]  ? __do_page_cache_readahead+0x663/0x810
[  265.338331]  ? find_held_lock+0x36/0x1c0
[  265.342482]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  265.348020]  alloc_pages_current+0x173/0x350
[  265.352433]  __page_cache_alloc+0x38c/0x5c0
[  265.356754]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  265.361680]  ? kasan_check_read+0x11/0x20
[  265.365835]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.371117]  ? generic_perform_write+0x6a0/0x6a0
[  265.375869]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.381491]  ? check_preemption_disabled+0x48/0x280
[  265.386513]  filemap_fault+0x1595/0x25f0
[  265.390583]  ? __lock_page_or_retry+0xa00/0xa00
[  265.395250]  ? mark_held_locks+0x130/0x130
[  265.399489]  ? filemap_map_pages+0xd6b/0x1a20
[  265.403986]  ? lock_downgrade+0x900/0x900
[  265.408130]  ? check_preemption_disabled+0x48/0x280
[  265.413149]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  265.418086]  ? kasan_check_read+0x11/0x20
[  265.422232]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.427504]  ? rcu_softirq_qs+0x20/0x20
[  265.431511]  ? filemap_map_pages+0xd92/0x1a20
[  265.436017]  ? find_get_entries_tag+0x1400/0x1400
[  265.440863]  ? debug_object_destroy+0x2b0/0x2b0
[  265.445535]  ? lock_pi_update_atomic+0x150/0x150
[  265.450306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  265.455859]  ? lock_acquire+0x1ed/0x520
[  265.459837]  ? ext4_filemap_fault+0x7a/0xad
[  265.464165]  ? lock_release+0xa00/0xa00
[  265.468149]  ? perf_trace_sched_process_exec+0x860/0x860
[  265.473614]  ? print_usage_bug+0xc0/0xc0
[  265.477688]  ? print_usage_bug+0xc0/0xc0
[  265.481773]  ? down_read+0x8d/0x120
[  265.485394]  ? ext4_filemap_fault+0x7a/0xad
[  265.489719]  ? __down_interruptible+0x700/0x700
[  265.494393]  ext4_filemap_fault+0x82/0xad
[  265.498542]  __do_fault+0x100/0x6b0
[  265.502180]  ? pmd_devmap_trans_unstable+0x220/0x220
[  265.507280]  ? mark_held_locks+0x130/0x130
[  265.511514]  ? mark_held_locks+0x130/0x130
[  265.515743]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.521018]  ? rcu_softirq_qs+0x20/0x20
[  265.524995]  ? kasan_check_write+0x14/0x20
[  265.529229]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.534764]  __handle_mm_fault+0x3ea0/0x5be0
[  265.539181]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  265.544022]  ? aa_path_link+0x5e0/0x5e0
[  265.548006]  ? ksys_dup3+0x680/0x680
[  265.551728]  ? zap_class+0x640/0x640
[  265.555435]  ? zap_class+0x640/0x640
[  265.559145]  ? __x64_sys_futex+0x53e/0x6a0
[  265.563378]  ? find_held_lock+0x36/0x1c0
[  265.567442]  ? handle_mm_fault+0x42a/0xc70
[  265.571676]  ? lock_downgrade+0x900/0x900
[  265.575826]  ? check_preemption_disabled+0x48/0x280
[  265.580844]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  265.585770]  ? kasan_check_read+0x11/0x20
[  265.589913]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  265.595188]  ? rcu_softirq_qs+0x20/0x20
[  265.599163]  ? trace_hardirqs_off_caller+0x310/0x310
[  265.604266]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  265.609809]  ? check_preemption_disabled+0x48/0x280
[  265.614838]  handle_mm_fault+0x54f/0xc70
[  265.618899]  ? __handle_mm_fault+0x5be0/0x5be0
[  265.623482]  ? find_vma+0x34/0x190
[  265.627023]  __do_page_fault+0x5e8/0xe60
[  265.631630]  ? trace_hardirqs_off+0xb8/0x310
[  265.636052]  do_page_fault+0xf2/0x7e0
[  265.639856]  ? vmalloc_sync_all+0x30/0x30
[  265.644001]  ? error_entry+0x70/0xd0
[  265.647715]  ? trace_hardirqs_off_caller+0xbb/0x310
[  265.652725]  ? trace_hardirqs_on_caller+0xc0/0x310
[  265.657655]  ? syscall_return_slowpath+0x5e0/0x5e0
[  265.662582]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.667426]  ? trace_hardirqs_on_caller+0x310/0x310
[  265.672438]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  265.677892]  ? prepare_exit_to_usermode+0x291/0x3b0
[  265.682905]  ? page_fault+0x8/0x30
[  265.686472]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  265.691312]  ? page_fault+0x8/0x30
[  265.694848]  page_fault+0x1e/0x30
[  265.698299] RIP: 0033:0x40f9c0
[  265.701506] Code: Bad RIP value.
[  265.704863] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  265.710224] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  265.717491] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  265.724756] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  265.732018] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  265.739283] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  265.746564] warn_alloc_show_mem: 1 callbacks suppressed
[  265.746574] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  265.746576] Mem-Info:
[  265.746607] active_anon:51741 inactive_anon:192 isolated_anon:0
[  265.746607]  active_file:28 inactive_file:10 isolated_file:0
[  265.746607]  unevictable:0 dirty:0 writeback:0 unstable:0
[  265.746607]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  265.746607]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  265.746607]  free:13684 free_pcp:150 free_cma:0
[  265.751939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  265.751946] Call Trace:
[  265.759219] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  265.761606]  <IRQ>
[  265.794649] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  265.804012]  dump_stack+0x244/0x39d
[  265.806564] lowmem_reserve[]: 0 2818 6321 6321
[  265.834229]  ? dump_stack_print_info.cold.1+0x20/0x20
[  265.836366] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  265.862483]  warn_alloc.cold.116+0xb7/0x1bd
[  265.866105] lowmem_reserve[]: 0 0 3503 3503
[  265.870692]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  265.875854] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  265.903433]  ? lock_downgrade+0x900/0x900
[  265.907726] lowmem_reserve[]: 0 0 0 0
[  265.912044]  ? trace_hardirqs_off+0xb8/0x310
[  265.916856] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  265.945751]  ? trace_hardirqs_off+0xb8/0x310
[  265.949869] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  265.953667]  __alloc_pages_slowpath+0x26e8/0x2e10
[  265.958038] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  265.971585]  ? warn_alloc+0x120/0x120
[  265.975954] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  265.991194]  ? print_usage_bug+0xc0/0xc0
[  265.996014] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  266.011256]  ? warn_alloc+0x120/0x120
[  266.015034] 281 total pagecache pages
[  266.023857]  ? warn_alloc+0x120/0x120
[  266.027897] 0 pages in swap cache
[  266.036454]  ? print_usage_bug+0xc0/0xc0
[  266.040231] Swap cache stats: add 0, delete 0, find 0/0
[  266.044017]  ? kvm_clock_read+0x18/0x30
[  266.047790] Free swap  = 0kB
[  266.051231]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  266.055260] Total swap = 0kB
[  266.060608]  ? print_usage_bug+0xc0/0xc0
[  266.064563] 1965979 pages RAM
[  266.067571]  ? __lock_acquire+0x62f/0x4c20
[  266.072557] 0 pages HighMem/MovableOnly
[  266.075565]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.079596] 342854 pages reserved
[  266.082689]  ? should_fail+0x22d/0xd01
[  266.086892] 0 pages cma reserved
[  266.090849]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.090866]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.096453] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  266.099816]  ? __lock_acquire+0x62f/0x4c20
[  266.099834]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  266.099849]  ? __lock_acquire+0x62f/0x4c20
[  266.103789] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  266.107075]  ? should_fail+0x22d/0xd01
[  266.112329] syz-fuzzer cpuset=/ mems_allowed=0
[  266.117413]  ? rcu_irq_exit+0x1a2/0x390
[  266.117435]  ? mark_held_locks+0x130/0x130
[  266.164248]  ? mark_held_locks+0x130/0x130
[  266.168487]  ? mark_held_locks+0xc7/0x130
[  266.172636]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  266.177648]  ? zap_class+0x640/0x640
[  266.181361]  ? print_usage_bug+0xc0/0xc0
[  266.185432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.190968]  ? check_preemption_disabled+0x48/0x280
[  266.195987]  ? __lock_is_held+0xb5/0x140
[  266.200061]  __alloc_pages_nodemask+0xa80/0xde0
[  266.204727]  ? zap_class+0x640/0x640
[  266.208447]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  266.213475]  ? find_held_lock+0x36/0x1c0
[  266.217549]  ? ____cache_alloc_node+0x1c7/0x1e0
[  266.222219]  ? lock_downgrade+0x900/0x900
[  266.226374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.231911]  cache_grow_begin+0xa5/0x8c0
[  266.235970]  ? do_raw_spin_unlock+0xa7/0x330
[  266.240381]  fallback_alloc+0x204/0x2e0
[  266.244356]  ____cache_alloc_node+0x1c7/0x1e0
[  266.248849]  kmem_cache_alloc_node+0xe3/0x730
[  266.253344]  ? ipv6_get_ifaddr+0x42e/0x620
[  266.257585]  __alloc_skb+0x119/0x770
[  266.261293]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.266576]  ? netdev_alloc_frag+0x1f0/0x1f0
[  266.270979]  ? lock_downgrade+0x900/0x900
[  266.275131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.280666]  ? refcount_sub_and_test_checked+0x203/0x310
[  266.286114]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  266.291561]  ? addrconf_rs_timer+0x690/0x690
[  266.295976]  ndisc_alloc_skb+0x144/0x340
[  266.300035]  ndisc_send_rs+0x331/0x6e0
[  266.303922]  addrconf_rs_timer+0x314/0x690
[  266.308246]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.312485]  call_timer_fn+0x272/0x920
[  266.316371]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.320600]  ? process_timeout+0x40/0x40
[  266.324667]  ? __run_timers+0x7da/0xc70
[  266.328638]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.333128]  ? _raw_spin_unlock_irq+0x27/0x80
[  266.337619]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.341853]  ? lockdep_hardirqs_on+0x296/0x5b0
[  266.346437]  ? trace_hardirqs_on+0xbd/0x310
[  266.350764]  ? kasan_check_read+0x11/0x20
[  266.354905]  ? __run_timers+0x7da/0xc70
[  266.358880]  ? trace_hardirqs_off_caller+0x310/0x310
[  266.363983]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.368218]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  266.372451]  __run_timers+0x7e5/0xc70
[  266.376256]  ? timer_fixup_init+0x70/0x70
[  266.380403]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  266.385415]  ? zap_class+0x640/0x640
[  266.389145]  ? enqueue_hrtimer+0x1a5/0x560
[  266.393376]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  266.398569]  ? find_held_lock+0x36/0x1c0
[  266.402637]  ? zap_class+0x640/0x640
[  266.406369]  ? pvclock_read_flags+0x160/0x160
[  266.410869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.416407]  ? check_preemption_disabled+0x48/0x280
[  266.421430]  ? __lock_is_held+0xb5/0x140
[  266.425490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.431026]  ? check_preemption_disabled+0x48/0x280
[  266.436043]  run_timer_softirq+0x52/0xb0
[  266.440191]  ? rcu_read_lock_sched_held+0x14f/0x180
[  266.445208]  __do_softirq+0x308/0xb7e
[  266.449015]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  266.453507]  ? lock_downgrade+0x900/0x900
[  266.457658]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  266.462767]  ? pvclock_read_flags+0x160/0x160
[  266.467383]  ? lapic_next_event+0x5a/0x90
[  266.471530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.477101]  ? kvm_clock_read+0x18/0x30
[  266.481076]  ? kvm_sched_clock_read+0x9/0x20
[  266.485488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.491023]  ? check_preemption_disabled+0x48/0x280
[  266.496049]  irq_exit+0x17f/0x1c0
[  266.499505]  smp_apic_timer_interrupt+0x1cb/0x760
[  266.504350]  ? smp_reschedule_interrupt+0x109/0x650
[  266.509370]  ? smp_call_function_single_interrupt+0x650/0x650
[  266.515251]  ? interrupt_entry+0xb5/0xc0
[  266.519309]  ? trace_hardirqs_off_caller+0xbb/0x310
[  266.524320]  ? trace_hardirqs_off_caller+0xbb/0x310
[  266.529336]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.534174]  ? trace_hardirqs_on_caller+0x310/0x310
[  266.539751]  ? trace_hardirqs_on_caller+0x310/0x310
[  266.544765]  ? task_prio+0x50/0x50
[  266.548307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.553839]  ? check_preemption_disabled+0x48/0x280
[  266.558857]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.563706]  apic_timer_interrupt+0xf/0x20
[  266.567941]  </IRQ>
[  266.570178] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  266.575108] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  266.594004] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  266.601731] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  266.609022] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  266.616291] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  266.623985] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  266.631248] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  266.638639]  skb_clone+0x1bb/0x500
[  266.642267]  ? finish_task_switch+0x1b4/0x910
[  266.646760]  ? skb_split+0x11e0/0x11e0
[  266.650647]  ? preempt_notifier_register+0x200/0x200
[  266.655745]  ? __switch_to_asm+0x34/0x70
[  266.659803]  ? __switch_to_asm+0x34/0x70
[  266.663858]  ? __switch_to_asm+0x40/0x70
[  266.667912]  ? __switch_to_asm+0x34/0x70
[  266.671968]  ? __switch_to_asm+0x40/0x70
[  266.676025]  ? __switch_to_asm+0x34/0x70
[  266.680081]  ? __switch_to_asm+0x40/0x70
[  266.684138]  ? __switch_to_asm+0x34/0x70
[  266.688213]  ? __switch_to_asm+0x34/0x70
[  266.692270]  ? __switch_to_asm+0x40/0x70
[  266.696323]  ? __switch_to_asm+0x34/0x70
[  266.700384]  bpf_clone_redirect+0xb9/0x490
[  266.704616]  ? __schedule+0x8d7/0x21d0
[  266.708507]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  266.713526]  ? __sched_text_start+0x8/0x8
[  266.717673]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  266.722255]  ? retint_kernel+0x2d/0x2d
[  266.726143]  ? trace_hardirqs_on_caller+0xc0/0x310
[  266.731072]  ? find_held_lock+0x36/0x1c0
[  266.735139]  ? lock_acquire+0x1ed/0x520
[  266.739111]  ? bpf_test_run+0x3cb/0x780
[  266.743082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  266.748618]  ? check_preemption_disabled+0x48/0x280
[  266.753637]  ? kasan_check_read+0x11/0x20
[  266.757781]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  266.763052]  ? rcu_softirq_qs+0x20/0x20
[  266.767022]  ? preempt_schedule+0x4d/0x60
[  266.771168]  ? ___preempt_schedule+0x16/0x18
[  266.775579]  ? bpf_test_run+0x25d/0x780
[  266.779584]  ? netlink_diag_dump+0x2a0/0x2a0
[  266.783996]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.789528]  ? bpf_test_init.isra.10+0x70/0x100
[  266.794201]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  266.799488]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  266.804333]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  266.809870]  ? fput+0x130/0x1a0
[  266.813148]  ? __bpf_prog_get+0x9b/0x290
[  266.817212]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  266.822049]  ? bpf_prog_test_run+0x130/0x1a0
[  266.826459]  ? __x64_sys_bpf+0x3d8/0x520
[  266.830520]  ? bpf_prog_get+0x20/0x20
[  266.834334]  ? do_syscall_64+0x1b9/0x820
[  266.838396]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  266.843761]  ? syscall_return_slowpath+0x5e0/0x5e0
[  266.849159]  ? trace_hardirqs_on_caller+0x310/0x310
[  266.854174]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  266.859192]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  266.865852]  ? __switch_to_asm+0x40/0x70
[  266.869909]  ? __switch_to_asm+0x34/0x70
[  266.873971]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  266.878814]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  266.884189] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  266.884277] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  266.891201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  266.891205] Call Trace:
[  266.891212]  <IRQ>
[  266.891229]  dump_stack+0x244/0x39d
[  266.891247]  ? dump_stack_print_info.cold.1+0x20/0x20
[  266.897885] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  266.907154]  warn_alloc.cold.116+0xb7/0x1bd
[  266.909711] syz-executor2 cpuset=syz2 mems_allowed=0
[  266.911857]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  266.945321]  ? lock_downgrade+0x900/0x900
[  266.949470]  ? trace_hardirqs_off+0xb8/0x310
[  266.953884]  ? trace_hardirqs_off+0xb8/0x310
[  266.958297]  __alloc_pages_slowpath+0x26e8/0x2e10
[  266.963161]  ? warn_alloc+0x120/0x120
[  266.966963]  ? print_usage_bug+0xc0/0xc0
[  266.971026]  ? warn_alloc+0x120/0x120
[  266.974825]  ? warn_alloc+0x120/0x120
[  266.978622]  ? print_usage_bug+0xc0/0xc0
[  266.982689]  ? print_usage_bug+0xc0/0xc0
[  266.986754]  ? __lock_acquire+0x62f/0x4c20
[  266.990991]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  266.996522]  ? should_fail+0x22d/0xd01
[  267.000411]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.005525]  ? __lock_acquire+0x62f/0x4c20
[  267.009762]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.014860]  ? __lock_acquire+0x62f/0x4c20
[  267.019093]  ? should_fail+0x22d/0xd01
[  267.022991]  ? find_held_lock+0x36/0x1c0
[  267.027060]  ? mark_held_locks+0x130/0x130
[  267.031297]  ? mark_held_locks+0x130/0x130
[  267.035530]  ? zap_class+0x640/0x640
[  267.039239]  ? zap_class+0x640/0x640
[  267.042953]  ? print_usage_bug+0xc0/0xc0
[  267.047012]  ? do_raw_spin_unlock+0xa7/0x330
[  267.051418]  ? zap_class+0x640/0x640
[  267.055127]  ? print_usage_bug+0xc0/0xc0
[  267.059185]  ? wq_watchdog_touch+0x9c/0xfe
[  267.063420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.068959]  ? check_preemption_disabled+0x48/0x280
[  267.073984]  ? __lock_is_held+0xb5/0x140
[  267.078051]  __alloc_pages_nodemask+0xa80/0xde0
[  267.082718]  ? zap_class+0x640/0x640
[  267.086433]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  267.091458]  ? find_held_lock+0x36/0x1c0
[  267.095535]  ? ____cache_alloc_node+0x1c7/0x1e0
[  267.100201]  ? lock_downgrade+0x900/0x900
[  267.104444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.109981]  cache_grow_begin+0xa5/0x8c0
[  267.114041]  ? do_raw_spin_unlock+0xa7/0x330
[  267.118455]  fallback_alloc+0x204/0x2e0
[  267.122433]  ____cache_alloc_node+0x1c7/0x1e0
[  267.126936]  kmem_cache_alloc_node+0xe3/0x730
[  267.131428]  ? ipv6_get_ifaddr+0x42e/0x620
[  267.135677]  __alloc_skb+0x119/0x770
[  267.139387]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.144670]  ? netdev_alloc_frag+0x1f0/0x1f0
[  267.149073]  ? lock_downgrade+0x900/0x900
[  267.153224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.158760]  ? refcount_sub_and_test_checked+0x203/0x310
[  267.164211]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  267.169667]  ? addrconf_rs_timer+0x690/0x690
[  267.174085]  ndisc_alloc_skb+0x144/0x340
[  267.178149]  ndisc_send_rs+0x331/0x6e0
[  267.182038]  addrconf_rs_timer+0x314/0x690
[  267.186280]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.190521]  call_timer_fn+0x272/0x920
[  267.194407]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.198640]  ? process_timeout+0x40/0x40
[  267.202712]  ? mark_held_locks+0xc7/0x130
[  267.206861]  ? _raw_spin_unlock_irq+0x27/0x80
[  267.211353]  ? _raw_spin_unlock_irq+0x27/0x80
[  267.215845]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.220077]  ? lockdep_hardirqs_on+0x296/0x5b0
[  267.224663]  ? trace_hardirqs_on+0xbd/0x310
[  267.228981]  ? kasan_check_read+0x11/0x20
[  267.233123]  ? __run_timers+0x7da/0xc70
[  267.237098]  ? trace_hardirqs_off_caller+0x310/0x310
[  267.242221]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.246458]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  267.250690]  __run_timers+0x7e5/0xc70
[  267.254497]  ? timer_fixup_init+0x70/0x70
[  267.258641]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  267.263667]  ? zap_class+0x640/0x640
[  267.267383]  ? print_usage_bug+0xc0/0xc0
[  267.271443]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  267.276637]  ? find_held_lock+0x36/0x1c0
[  267.280707]  ? zap_class+0x640/0x640
[  267.284421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.289959]  ? check_preemption_disabled+0x48/0x280
[  267.294981]  ? __lock_is_held+0xb5/0x140
[  267.299039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.304583]  ? check_preemption_disabled+0x48/0x280
[  267.309603]  run_timer_softirq+0x52/0xb0
[  267.313677]  ? rcu_read_lock_sched_held+0x14f/0x180
[  267.318690]  __do_softirq+0x308/0xb7e
[  267.322497]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  267.326986]  ? lock_downgrade+0x900/0x900
[  267.331132]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  267.336239]  ? pvclock_read_flags+0x160/0x160
[  267.340731]  ? lapic_next_event+0x5a/0x90
[  267.344879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.350449]  ? kvm_clock_read+0x18/0x30
[  267.354419]  ? kvm_sched_clock_read+0x9/0x20
[  267.358826]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.364362]  ? check_preemption_disabled+0x48/0x280
[  267.369382]  irq_exit+0x17f/0x1c0
[  267.372833]  smp_apic_timer_interrupt+0x1cb/0x760
[  267.377675]  ? smp_call_function_single_interrupt+0x159/0x650
[  267.383556]  ? smp_call_function_single_interrupt+0x650/0x650
[  267.389450]  ? interrupt_entry+0xb5/0xc0
[  267.393507]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.398521]  ? trace_hardirqs_off_caller+0xbb/0x310
[  267.403533]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.408374]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.413385]  ? trace_hardirqs_on_caller+0x310/0x310
[  267.418405]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  267.423250]  apic_timer_interrupt+0xf/0x20
[  267.427474]  </IRQ>
[  267.429710] RIP: 0010:write_comp_data+0xd/0x70
[  267.434289] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  267.453184] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  267.460976] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  267.468241] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  267.475511] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  267.482778] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  267.490043] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  267.497327]  ? list_lru_count_one+0x36d/0x450
[  267.501826]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  267.507183]  list_lru_count_one+0x36d/0x450
[  267.511501]  ? list_lru_isolate_move+0x3c0/0x3c0
[  267.516251]  ? shmem_free_inode+0xd0/0xd0
[  267.520397]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.525932]  ? ubifs_shrink_count+0xc4/0x100
[  267.530342]  super_cache_count+0x1b9/0x2e0
[  267.534580]  do_shrink_slab+0x1b1/0xd30
[  267.538560]  ? lock_acquire+0x1ed/0x520
[  267.542534]  ? snapshot_refaults+0x290/0x290
[  267.546941]  ? lock_release+0xa00/0xa00
[  267.550915]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  267.556127]  ? down_read_trylock+0xda/0x140
[  267.560529]  ? shrink_slab+0x207/0x8c0
[  267.564410]  ? downgrade_write+0x270/0x270
[  267.568657]  shrink_slab+0x389/0x8c0
[  267.572367]  ? shrink_active_list+0x1f00/0x1f00
[  267.577037]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  267.582666]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  267.587774]  ? cgroup_procs_write_finish+0xf0/0xf0
[  267.592710]  ? find_held_lock+0x36/0x1c0
[  267.596774]  shrink_node+0x431/0x16b0
[  267.600571]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  267.605867]  ? shrink_node_memcg+0x18f0/0x18f0
[  267.610461]  ? kvm_clock_read+0x18/0x30
[  267.614432]  ? ktime_get+0x2c1/0x400
[  267.618146]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  267.622730]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  267.628656]  ? __cpuset_node_allowed+0x19b/0x660
[  267.633413]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  267.639125]  ? delayacct_end+0x5a/0x100
[  267.643106]  do_try_to_free_pages+0x3e7/0x1290
[  267.647684]  ? zap_class+0x640/0x640
[  267.651407]  ? shrink_node+0x16b0/0x16b0
[  267.655465]  ? __lock_is_held+0xb5/0x140
[  267.659535]  try_to_free_pages+0x4d0/0xb90
[  267.663769]  ? do_try_to_free_pages+0x1290/0x1290
[  267.668625]  ? lock_acquire+0x1ed/0x520
[  267.672593]  ? set_page_refcounted+0x280/0x280
[  267.677183]  ? lock_release+0xa00/0xa00
[  267.681154]  ? _raw_spin_unlock_irq+0x60/0x80
[  267.685656]  ? psi_memstall_enter+0x240/0x2b0
[  267.690151]  ? psi_memstall_tick+0x230/0x230
[  267.694566]  __alloc_pages_slowpath+0xa14/0x2e10
[  267.699342]  ? warn_alloc+0x120/0x120
[  267.703136]  ? mark_held_locks+0x130/0x130
[  267.707372]  ? find_get_entry+0xaae/0x1120
[  267.711665]  ? filemap_map_pages+0x1a20/0x1a20
[  267.716253]  ? zap_class+0x640/0x640
[  267.719972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.725509]  ? check_preemption_disabled+0x48/0x280
[  267.730524]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.736060]  ? should_fail+0x22d/0xd01
[  267.739951]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  267.745053]  ? zap_class+0x640/0x640
[  267.748782]  ? __lock_is_held+0xb5/0x140
[  267.752845]  ? mark_held_locks+0x130/0x130
[  267.757081]  ? lock_release+0xa00/0xa00
[  267.761053]  ? perf_trace_sched_process_exec+0x860/0x860
[  267.766499]  ? xa_load+0x2ba/0x460
[  267.770041]  ? lock_downgrade+0x900/0x900
[  267.774188]  ? __might_sleep+0x95/0x190
[  267.778163]  __alloc_pages_nodemask+0xa80/0xde0
[  267.782837]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  267.787854]  ? __page_cache_alloc+0x191/0x5c0
[  267.792347]  ? xa_load+0x2e1/0x460
[  267.795895]  ? xa_clear_mark+0x40/0x40
[  267.799780]  ? zap_class+0x640/0x640
[  267.803498]  ? zap_class+0x640/0x640
[  267.807205]  ? zap_class+0x640/0x640
[  267.810917]  ? __do_page_cache_readahead+0x663/0x810
[  267.816035]  ? find_held_lock+0x36/0x1c0
[  267.820095]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  267.825637]  alloc_pages_current+0x173/0x350
[  267.830045]  __page_cache_alloc+0x38c/0x5c0
[  267.834362]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  267.839294]  ? kasan_check_read+0x11/0x20
[  267.843437]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.848733]  ? generic_perform_write+0x6a0/0x6a0
[  267.853487]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  267.859021]  ? check_preemption_disabled+0x48/0x280
[  267.864039]  filemap_fault+0x1595/0x25f0
[  267.868109]  ? __lock_page_or_retry+0xa00/0xa00
[  267.872774]  ? mark_held_locks+0x130/0x130
[  267.877011]  ? filemap_map_pages+0xd6b/0x1a20
[  267.881507]  ? lock_downgrade+0x900/0x900
[  267.885650]  ? check_preemption_disabled+0x48/0x280
[  267.890666]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  267.895619]  ? kasan_check_read+0x11/0x20
[  267.899764]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.905038]  ? rcu_softirq_qs+0x20/0x20
[  267.909018]  ? filemap_map_pages+0xd92/0x1a20
[  267.913523]  ? find_get_entries_tag+0x1400/0x1400
[  267.918362]  ? debug_object_destroy+0x2b0/0x2b0
[  267.923029]  ? lock_pi_update_atomic+0x150/0x150
[  267.927780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  267.933324]  ? lock_acquire+0x1ed/0x520
[  267.937294]  ? ext4_filemap_fault+0x7a/0xad
[  267.941627]  ? lock_release+0xa00/0xa00
[  267.945605]  ? perf_trace_sched_process_exec+0x860/0x860
[  267.951053]  ? print_usage_bug+0xc0/0xc0
[  267.955110]  ? print_usage_bug+0xc0/0xc0
[  267.959182]  ? down_read+0x8d/0x120
[  267.962803]  ? ext4_filemap_fault+0x7a/0xad
[  267.967123]  ? __down_interruptible+0x700/0x700
[  267.971795]  ext4_filemap_fault+0x82/0xad
[  267.975941]  __do_fault+0x100/0x6b0
[  267.979570]  ? pmd_devmap_trans_unstable+0x220/0x220
[  267.984676]  ? mark_held_locks+0x130/0x130
[  267.988911]  ? mark_held_locks+0x130/0x130
[  267.993140]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  267.998419]  ? rcu_softirq_qs+0x20/0x20
[  268.002397]  ? kasan_check_write+0x14/0x20
[  268.006628]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.012164]  __handle_mm_fault+0x3ea0/0x5be0
[  268.016587]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  268.021425]  ? aa_path_link+0x5e0/0x5e0
[  268.025399]  ? ksys_dup3+0x680/0x680
[  268.029124]  ? zap_class+0x640/0x640
[  268.032833]  ? zap_class+0x640/0x640
[  268.036547]  ? __x64_sys_futex+0x53e/0x6a0
[  268.040791]  ? find_held_lock+0x36/0x1c0
[  268.044861]  ? handle_mm_fault+0x42a/0xc70
[  268.049093]  ? lock_downgrade+0x900/0x900
[  268.053242]  ? check_preemption_disabled+0x48/0x280
[  268.058280]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  268.063205]  ? kasan_check_read+0x11/0x20
[  268.067350]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.072623]  ? rcu_softirq_qs+0x20/0x20
[  268.076617]  ? trace_hardirqs_off_caller+0x310/0x310
[  268.081716]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.087249]  ? check_preemption_disabled+0x48/0x280
[  268.092271]  handle_mm_fault+0x54f/0xc70
[  268.096333]  ? __handle_mm_fault+0x5be0/0x5be0
[  268.100919]  ? find_vma+0x34/0x190
[  268.104463]  __do_page_fault+0x5e8/0xe60
[  268.108519]  ? trace_hardirqs_off+0xb8/0x310
[  268.112936]  do_page_fault+0xf2/0x7e0
[  268.116736]  ? vmalloc_sync_all+0x30/0x30
[  268.120881]  ? error_entry+0x70/0xd0
[  268.124596]  ? trace_hardirqs_off_caller+0xbb/0x310
[  268.129610]  ? trace_hardirqs_on_caller+0xc0/0x310
[  268.134540]  ? syscall_return_slowpath+0x5e0/0x5e0
[  268.139469]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.144579]  ? trace_hardirqs_on_caller+0x310/0x310
[  268.149597]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  268.155047]  ? prepare_exit_to_usermode+0x291/0x3b0
[  268.160059]  ? page_fault+0x8/0x30
[  268.163605]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  268.168450]  ? page_fault+0x8/0x30
[  268.171993]  page_fault+0x1e/0x30
[  268.175440] RIP: 0033:0x40f9c0
[  268.178650] Code: Bad RIP value.
[  268.182005] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  268.187361] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  268.194629] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  268.201891] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  268.209156] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  268.216418] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  268.223705] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  268.223710] warn_alloc_show_mem: 1 callbacks suppressed
[  268.223716] Mem-Info:
[  268.230986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  268.236351] active_anon:51741 inactive_anon:192 isolated_anon:0
[  268.236351]  active_file:28 inactive_file:10 isolated_file:0
[  268.236351]  unevictable:0 dirty:0 writeback:0 unstable:0
[  268.236351]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  268.236351]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  268.236351]  free:13684 free_pcp:150 free_cma:0
[  268.238721] Call Trace:
[  268.248096] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  268.280950]  <IRQ>
[  268.283516] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  268.311095]  dump_stack+0x244/0x39d
[  268.313214] lowmem_reserve[]: 0 2818 6321 6321
[  268.339319]  ? dump_stack_print_info.cold.1+0x20/0x20
[  268.342912] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  268.347495]  warn_alloc.cold.116+0xb7/0x1bd
[  268.352642] lowmem_reserve[]: 0 0 3503 3503
[  268.380226]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  268.384525] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  268.388846]  ? lock_downgrade+0x900/0x900
[  268.394266] lowmem_reserve[]: 0 0 0 0
[  268.423148]  ? trace_hardirqs_off+0xb8/0x310
[  268.427264] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  268.431058]  ? trace_hardirqs_off+0xb8/0x310
[  268.435436] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  268.448955]  __alloc_pages_slowpath+0x26e8/0x2e10
[  268.453330] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  268.468601]  ? warn_alloc+0x120/0x120
[  268.473404] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  268.488647]  ? print_usage_bug+0xc0/0xc0
[  268.492422] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  268.501238]  ? warn_alloc+0x120/0x120
[  268.505272] 281 total pagecache pages
[  268.514268]  ? warn_alloc+0x120/0x120
[  268.518050] 0 pages in swap cache
[  268.521850]  ? print_usage_bug+0xc0/0xc0
[  268.525624] Swap cache stats: add 0, delete 0, find 0/0
[  268.529060]  ? kvm_clock_read+0x18/0x30
[  268.533091] Free swap  = 0kB
[  268.533094] Total swap = 0kB
[  268.533099] 1965979 pages RAM
[  268.533102] 0 pages HighMem/MovableOnly
[  268.533105] 342854 pages reserved
[  268.533108] 0 pages cma reserved
[  268.533192] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  268.533267] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  268.533274] syz-fuzzer cpuset=/ mems_allowed=0
[  268.583702]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  268.588718]  ? print_usage_bug+0xc0/0xc0
[  268.592779]  ? __lock_acquire+0x62f/0x4c20
[  268.597013]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  268.602552]  ? should_fail+0x22d/0xd01
[  268.606433]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.611712]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.616810]  ? __lock_acquire+0x62f/0x4c20
[  268.621045]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  268.626142]  ? __lock_acquire+0x62f/0x4c20
[  268.630372]  ? should_fail+0x22d/0xd01
[  268.634250]  ? rcu_irq_exit+0x1a2/0x390
[  268.638230]  ? mark_held_locks+0x130/0x130
[  268.642468]  ? mark_held_locks+0x130/0x130
[  268.646704]  ? mark_held_locks+0xc7/0x130
[  268.650848]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  268.655861]  ? zap_class+0x640/0x640
[  268.659571]  ? print_usage_bug+0xc0/0xc0
[  268.663631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.669185]  ? check_preemption_disabled+0x48/0x280
[  268.674206]  ? __lock_is_held+0xb5/0x140
[  268.678273]  __alloc_pages_nodemask+0xa80/0xde0
[  268.682942]  ? zap_class+0x640/0x640
[  268.686655]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  268.691680]  ? find_held_lock+0x36/0x1c0
[  268.695745]  ? ____cache_alloc_node+0x1c7/0x1e0
[  268.700414]  ? lock_downgrade+0x900/0x900
[  268.704568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.710106]  cache_grow_begin+0xa5/0x8c0
[  268.714166]  ? do_raw_spin_unlock+0xa7/0x330
[  268.718577]  fallback_alloc+0x204/0x2e0
[  268.722558]  ____cache_alloc_node+0x1c7/0x1e0
[  268.727051]  kmem_cache_alloc_node+0xe3/0x730
[  268.731552]  ? ipv6_get_ifaddr+0x42e/0x620
[  268.735810]  __alloc_skb+0x119/0x770
[  268.739542]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  268.744817]  ? netdev_alloc_frag+0x1f0/0x1f0
[  268.749219]  ? lock_downgrade+0x900/0x900
[  268.753370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.758906]  ? refcount_sub_and_test_checked+0x203/0x310
[  268.764358]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  268.769807]  ? addrconf_rs_timer+0x690/0x690
[  268.774224]  ndisc_alloc_skb+0x144/0x340
[  268.778291]  ndisc_send_rs+0x331/0x6e0
[  268.782183]  addrconf_rs_timer+0x314/0x690
[  268.786417]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.790656]  call_timer_fn+0x272/0x920
[  268.794543]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.799277]  ? process_timeout+0x40/0x40
[  268.803345]  ? __run_timers+0x7da/0xc70
[  268.807318]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.811809]  ? _raw_spin_unlock_irq+0x27/0x80
[  268.816600]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.820834]  ? lockdep_hardirqs_on+0x296/0x5b0
[  268.825414]  ? trace_hardirqs_on+0xbd/0x310
[  268.829735]  ? kasan_check_read+0x11/0x20
[  268.833876]  ? __run_timers+0x7da/0xc70
[  268.837845]  ? trace_hardirqs_off_caller+0x310/0x310
[  268.842949]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.847187]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  268.851414]  __run_timers+0x7e5/0xc70
[  268.855223]  ? timer_fixup_init+0x70/0x70
[  268.859374]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  268.864388]  ? zap_class+0x640/0x640
[  268.868101]  ? enqueue_hrtimer+0x1a5/0x560
[  268.872336]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  268.877535]  ? find_held_lock+0x36/0x1c0
[  268.881618]  ? zap_class+0x640/0x640
[  268.885367]  ? pvclock_read_flags+0x160/0x160
[  268.889867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.895404]  ? check_preemption_disabled+0x48/0x280
[  268.900597]  ? __lock_is_held+0xb5/0x140
[  268.904653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.910187]  ? check_preemption_disabled+0x48/0x280
[  268.915204]  run_timer_softirq+0x52/0xb0
[  268.919268]  ? rcu_read_lock_sched_held+0x14f/0x180
[  268.924284]  __do_softirq+0x308/0xb7e
[  268.928084]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  268.932577]  ? lock_downgrade+0x900/0x900
[  268.936742]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  268.941847]  ? pvclock_read_flags+0x160/0x160
[  268.946341]  ? lapic_next_event+0x5a/0x90
[  268.950485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.956027]  ? kvm_clock_read+0x18/0x30
[  268.960019]  ? kvm_sched_clock_read+0x9/0x20
[  268.964426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  268.969961]  ? check_preemption_disabled+0x48/0x280
[  268.974981]  irq_exit+0x17f/0x1c0
[  268.978435]  smp_apic_timer_interrupt+0x1cb/0x760
[  268.983274]  ? smp_reschedule_interrupt+0x109/0x650
[  268.988285]  ? smp_call_function_single_interrupt+0x650/0x650
[  268.994168]  ? interrupt_entry+0xb5/0xc0
[  268.998229]  ? trace_hardirqs_off_caller+0xbb/0x310
[  269.003243]  ? trace_hardirqs_off_caller+0xbb/0x310
[  269.008275]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.013200]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.018210]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.023221]  ? task_prio+0x50/0x50
[  269.026762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.032305]  ? check_preemption_disabled+0x48/0x280
[  269.037321]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.042165]  apic_timer_interrupt+0xf/0x20
[  269.046409]  </IRQ>
[  269.048650] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  269.053577] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  269.072472] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  269.080184] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  269.087445] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  269.094724] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  269.101985] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  269.109251] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  269.116550]  skb_clone+0x1bb/0x500
[  269.120091]  ? finish_task_switch+0x1b4/0x910
[  269.124582]  ? skb_split+0x11e0/0x11e0
[  269.128467]  ? preempt_notifier_register+0x200/0x200
[  269.133578]  ? __switch_to_asm+0x34/0x70
[  269.137633]  ? __switch_to_asm+0x34/0x70
[  269.141694]  ? __switch_to_asm+0x40/0x70
[  269.145749]  ? __switch_to_asm+0x34/0x70
[  269.149806]  ? __switch_to_asm+0x40/0x70
[  269.153864]  ? __switch_to_asm+0x34/0x70
[  269.157917]  ? __switch_to_asm+0x40/0x70
[  269.161975]  ? __switch_to_asm+0x34/0x70
[  269.166029]  ? __switch_to_asm+0x34/0x70
[  269.170100]  ? __switch_to_asm+0x40/0x70
[  269.174158]  ? __switch_to_asm+0x34/0x70
[  269.178223]  bpf_clone_redirect+0xb9/0x490
[  269.182459]  ? __schedule+0x8d7/0x21d0
[  269.186361]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  269.191374]  ? __sched_text_start+0x8/0x8
[  269.195520]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  269.200096]  ? retint_kernel+0x2d/0x2d
[  269.203985]  ? trace_hardirqs_on_caller+0xc0/0x310
[  269.208912]  ? find_held_lock+0x36/0x1c0
[  269.212980]  ? lock_acquire+0x1ed/0x520
[  269.216951]  ? bpf_test_run+0x3cb/0x780
[  269.221009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.226543]  ? check_preemption_disabled+0x48/0x280
[  269.231563]  ? kasan_check_read+0x11/0x20
[  269.235710]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.240983]  ? rcu_softirq_qs+0x20/0x20
[  269.244954]  ? preempt_schedule+0x4d/0x60
[  269.249100]  ? ___preempt_schedule+0x16/0x18
[  269.253513]  ? bpf_test_run+0x25d/0x780
[  269.257498]  ? netlink_diag_dump+0x2a0/0x2a0
[  269.261906]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.267442]  ? bpf_test_init.isra.10+0x70/0x100
[  269.272121]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  269.276879]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  269.281717]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  269.287254]  ? fput+0x130/0x1a0
[  269.290532]  ? __bpf_prog_get+0x9b/0x290
[  269.294591]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  269.299429]  ? bpf_prog_test_run+0x130/0x1a0
[  269.303840]  ? __x64_sys_bpf+0x3d8/0x520
[  269.307897]  ? bpf_prog_get+0x20/0x20
[  269.312062]  ? do_syscall_64+0x1b9/0x820
[  269.316116]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  269.321485]  ? syscall_return_slowpath+0x5e0/0x5e0
[  269.326413]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.331425]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  269.336440]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  269.343106]  ? __switch_to_asm+0x40/0x70
[  269.347163]  ? __switch_to_asm+0x34/0x70
[  269.351231]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.356077]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  269.361452] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  269.361559] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  269.368482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  269.368487] Call Trace:
[  269.368494]  <IRQ>
[  269.368510]  dump_stack+0x244/0x39d
[  269.368529]  ? dump_stack_print_info.cold.1+0x20/0x20
[  269.375050] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  269.384342]  warn_alloc.cold.116+0xb7/0x1bd
[  269.386891] syz-executor2 cpuset=syz2 mems_allowed=0
[  269.389031]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  269.422502]  ? lock_downgrade+0x900/0x900
[  269.426654]  ? trace_hardirqs_off+0xb8/0x310
[  269.431061]  ? trace_hardirqs_off+0xb8/0x310
[  269.435480]  __alloc_pages_slowpath+0x26e8/0x2e10
[  269.440344]  ? warn_alloc+0x120/0x120
[  269.444143]  ? print_usage_bug+0xc0/0xc0
[  269.448199]  ? warn_alloc+0x120/0x120
[  269.451997]  ? warn_alloc+0x120/0x120
[  269.455796]  ? print_usage_bug+0xc0/0xc0
[  269.459853]  ? enqueue_hrtimer+0x1a5/0x560
[  269.464083]  ? print_usage_bug+0xc0/0xc0
[  269.468144]  ? __lock_acquire+0x62f/0x4c20
[  269.472376]  ? __lock_acquire+0x62f/0x4c20
[  269.476608]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.482145]  ? should_fail+0x22d/0xd01
[  269.486035]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.491134]  ? __lock_acquire+0x62f/0x4c20
[  269.495367]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  269.500469]  ? __lock_acquire+0x62f/0x4c20
[  269.504698]  ? should_fail+0x22d/0xd01
[  269.508594]  ? mark_held_locks+0x130/0x130
[  269.512830]  ? mark_held_locks+0x130/0x130
[  269.517065]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  269.522081]  ? ktime_get+0x2c1/0x400
[  269.525791]  ? zap_class+0x640/0x640
[  269.529498]  ? print_usage_bug+0xc0/0xc0
[  269.533563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.539097]  ? check_preemption_disabled+0x48/0x280
[  269.544116]  ? __lock_is_held+0xb5/0x140
[  269.548178]  __alloc_pages_nodemask+0xa80/0xde0
[  269.552842]  ? zap_class+0x640/0x640
[  269.556577]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  269.561602]  ? find_held_lock+0x36/0x1c0
[  269.566020]  ? ____cache_alloc_node+0x1c7/0x1e0
[  269.570689]  ? lock_downgrade+0x900/0x900
[  269.574842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.580401]  cache_grow_begin+0xa5/0x8c0
[  269.584463]  ? do_raw_spin_unlock+0xa7/0x330
[  269.588875]  fallback_alloc+0x204/0x2e0
[  269.592853]  ____cache_alloc_node+0x1c7/0x1e0
[  269.597347]  kmem_cache_alloc_node+0xe3/0x730
[  269.601839]  ? ipv6_get_ifaddr+0x42e/0x620
[  269.606082]  __alloc_skb+0x119/0x770
[  269.609789]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  269.615063]  ? netdev_alloc_frag+0x1f0/0x1f0
[  269.619473]  ? lock_downgrade+0x900/0x900
[  269.623627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.629708]  ? refcount_sub_and_test_checked+0x203/0x310
[  269.635162]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  269.640610]  ? addrconf_rs_timer+0x690/0x690
[  269.645025]  ndisc_alloc_skb+0x144/0x340
[  269.649085]  ndisc_send_rs+0x331/0x6e0
[  269.652972]  addrconf_rs_timer+0x314/0x690
[  269.657204]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.661453]  call_timer_fn+0x272/0x920
[  269.665339]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.669567]  ? process_timeout+0x40/0x40
[  269.673634]  ? mark_held_locks+0xc7/0x130
[  269.677781]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.682271]  ? _raw_spin_unlock_irq+0x27/0x80
[  269.686766]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.690996]  ? lockdep_hardirqs_on+0x296/0x5b0
[  269.695575]  ? trace_hardirqs_on+0xbd/0x310
[  269.699895]  ? kasan_check_read+0x11/0x20
[  269.704034]  ? __run_timers+0x7da/0xc70
[  269.708004]  ? trace_hardirqs_off_caller+0x310/0x310
[  269.713105]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.717340]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  269.721569]  __run_timers+0x7e5/0xc70
[  269.725375]  ? timer_fixup_init+0x70/0x70
[  269.729523]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  269.734534]  ? zap_class+0x640/0x640
[  269.738248]  ? print_usage_bug+0xc0/0xc0
[  269.742307]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  269.747498]  ? find_held_lock+0x36/0x1c0
[  269.751578]  ? zap_class+0x640/0x640
[  269.755296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.760835]  ? check_preemption_disabled+0x48/0x280
[  269.765854]  ? __lock_is_held+0xb5/0x140
[  269.769911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.775449]  ? check_preemption_disabled+0x48/0x280
[  269.780470]  run_timer_softirq+0x52/0xb0
[  269.784526]  ? rcu_read_lock_sched_held+0x14f/0x180
[  269.789540]  __do_softirq+0x308/0xb7e
[  269.793343]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  269.797833]  ? lock_downgrade+0x900/0x900
[  269.801981]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  269.807085]  ? pvclock_read_flags+0x160/0x160
[  269.811582]  ? lapic_next_event+0x5a/0x90
[  269.815728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  269.821266]  ? kvm_clock_read+0x18/0x30
[  269.825240]  ? kvm_sched_clock_read+0x9/0x20
[  269.829644]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.835182]  ? check_preemption_disabled+0x48/0x280
[  269.840201]  irq_exit+0x17f/0x1c0
[  269.843657]  smp_apic_timer_interrupt+0x1cb/0x760
[  269.848500]  ? smp_call_function_single_interrupt+0x159/0x650
[  269.854505]  ? smp_call_function_single_interrupt+0x650/0x650
[  269.860385]  ? interrupt_entry+0xb5/0xc0
[  269.864454]  ? trace_hardirqs_off_caller+0xbb/0x310
[  269.869468]  ? trace_hardirqs_off_caller+0xbb/0x310
[  269.874481]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.879321]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.884425]  ? trace_hardirqs_on_caller+0x310/0x310
[  269.889453]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  269.894336]  apic_timer_interrupt+0xf/0x20
[  269.898561]  </IRQ>
[  269.900795] RIP: 0010:write_comp_data+0xd/0x70
[  269.905380] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  269.924281] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  269.931986] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  269.939252] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  269.946515] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  269.953779] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  269.961041] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  269.968332]  ? list_lru_count_one+0x36d/0x450
[  269.972832]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  269.978194]  list_lru_count_one+0x36d/0x450
[  269.982514]  ? list_lru_isolate_move+0x3c0/0x3c0
[  269.987268]  ? shmem_free_inode+0xd0/0xd0
[  269.991420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  269.996953]  ? ubifs_shrink_count+0xc4/0x100
[  270.001365]  super_cache_count+0x1b9/0x2e0
[  270.005598]  do_shrink_slab+0x1b1/0xd30
[  270.009575]  ? lock_acquire+0x1ed/0x520
[  270.013548]  ? snapshot_refaults+0x290/0x290
[  270.018048]  ? lock_release+0xa00/0xa00
[  270.022021]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  270.026956]  ? down_read_trylock+0xda/0x140
[  270.031271]  ? shrink_slab+0x207/0x8c0
[  270.035154]  ? downgrade_write+0x270/0x270
[  270.039404]  shrink_slab+0x389/0x8c0
[  270.043114]  ? shrink_active_list+0x1f00/0x1f00
[  270.047788]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  270.053418]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  270.058525]  ? cgroup_procs_write_finish+0xf0/0xf0
[  270.063457]  ? find_held_lock+0x36/0x1c0
[  270.067523]  shrink_node+0x431/0x16b0
[  270.071319]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  270.076613]  ? shrink_node_memcg+0x18f0/0x18f0
[  270.081194]  ? kvm_clock_read+0x18/0x30
[  270.085165]  ? ktime_get+0x2c1/0x400
[  270.088880]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  270.093375]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  270.098915]  ? __cpuset_node_allowed+0x19b/0x660
[  270.103672]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  270.109383]  ? delayacct_end+0x5a/0x100
[  270.113369]  do_try_to_free_pages+0x3e7/0x1290
[  270.117948]  ? zap_class+0x640/0x640
[  270.121678]  ? shrink_node+0x16b0/0x16b0
[  270.125737]  ? __lock_is_held+0xb5/0x140
[  270.129808]  try_to_free_pages+0x4d0/0xb90
[  270.134042]  ? do_try_to_free_pages+0x1290/0x1290
[  270.138905]  ? lock_acquire+0x1ed/0x520
[  270.142878]  ? set_page_refcounted+0x280/0x280
[  270.147462]  ? lock_release+0xa00/0xa00
[  270.151433]  ? _raw_spin_unlock_irq+0x60/0x80
[  270.155928]  ? psi_memstall_enter+0x240/0x2b0
[  270.160425]  ? psi_memstall_tick+0x230/0x230
[  270.164842]  __alloc_pages_slowpath+0xa14/0x2e10
[  270.169637]  ? warn_alloc+0x120/0x120
[  270.173440]  ? mark_held_locks+0x130/0x130
[  270.177677]  ? find_get_entry+0xaae/0x1120
[  270.181916]  ? filemap_map_pages+0x1a20/0x1a20
[  270.186495]  ? zap_class+0x640/0x640
[  270.190209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.195746]  ? check_preemption_disabled+0x48/0x280
[  270.200757]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.206290]  ? should_fail+0x22d/0xd01
[  270.210177]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  270.215277]  ? zap_class+0x640/0x640
[  270.219007]  ? __lock_is_held+0xb5/0x140
[  270.223136]  ? mark_held_locks+0x130/0x130
[  270.230757]  ? lock_release+0xa00/0xa00
[  270.234729]  ? perf_trace_sched_process_exec+0x860/0x860
[  270.240174]  ? xa_load+0x2ba/0x460
[  270.243714]  ? lock_downgrade+0x900/0x900
[  270.247859]  ? __might_sleep+0x95/0x190
[  270.251831]  __alloc_pages_nodemask+0xa80/0xde0
[  270.256504]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  270.261516]  ? __page_cache_alloc+0x191/0x5c0
[  270.266008]  ? xa_load+0x2e1/0x460
[  270.269549]  ? xa_clear_mark+0x40/0x40
[  270.273432]  ? zap_class+0x640/0x640
[  270.277151]  ? zap_class+0x640/0x640
[  270.280860]  ? zap_class+0x640/0x640
[  270.284570]  ? __do_page_cache_readahead+0x663/0x810
[  270.289672]  ? find_held_lock+0x36/0x1c0
[  270.293733]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  270.299286]  alloc_pages_current+0x173/0x350
[  270.303694]  __page_cache_alloc+0x38c/0x5c0
[  270.308017]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  270.312944]  ? kasan_check_read+0x11/0x20
[  270.317086]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.322362]  ? generic_perform_write+0x6a0/0x6a0
[  270.327119]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.332655]  ? check_preemption_disabled+0x48/0x280
[  270.337674]  filemap_fault+0x1595/0x25f0
[  270.341752]  ? __lock_page_or_retry+0xa00/0xa00
[  270.346417]  ? mark_held_locks+0x130/0x130
[  270.350659]  ? filemap_map_pages+0xd6b/0x1a20
[  270.355151]  ? lock_downgrade+0x900/0x900
[  270.359295]  ? check_preemption_disabled+0x48/0x280
[  270.364308]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  270.369230]  ? kasan_check_read+0x11/0x20
[  270.373378]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.378657]  ? rcu_softirq_qs+0x20/0x20
[  270.382645]  ? filemap_map_pages+0xd92/0x1a20
[  270.387152]  ? find_get_entries_tag+0x1400/0x1400
[  270.391994]  ? debug_object_destroy+0x2b0/0x2b0
[  270.396659]  ? lock_pi_update_atomic+0x150/0x150
[  270.401410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  270.406953]  ? lock_acquire+0x1ed/0x520
[  270.410923]  ? ext4_filemap_fault+0x7a/0xad
[  270.415243]  ? lock_release+0xa00/0xa00
[  270.419211]  ? perf_trace_sched_process_exec+0x860/0x860
[  270.424655]  ? print_usage_bug+0xc0/0xc0
[  270.428715]  ? print_usage_bug+0xc0/0xc0
[  270.432784]  ? down_read+0x8d/0x120
[  270.436405]  ? ext4_filemap_fault+0x7a/0xad
[  270.440725]  ? __down_interruptible+0x700/0x700
[  270.445401]  ext4_filemap_fault+0x82/0xad
[  270.449549]  __do_fault+0x100/0x6b0
[  270.453174]  ? pmd_devmap_trans_unstable+0x220/0x220
[  270.458274]  ? mark_held_locks+0x130/0x130
[  270.462504]  ? mark_held_locks+0x130/0x130
[  270.466730]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.472007]  ? rcu_softirq_qs+0x20/0x20
[  270.475979]  ? kasan_check_write+0x14/0x20
[  270.480213]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.485752]  __handle_mm_fault+0x3ea0/0x5be0
[  270.490166]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  270.495005]  ? aa_path_link+0x5e0/0x5e0
[  270.498978]  ? ksys_dup3+0x680/0x680
[  270.502698]  ? zap_class+0x640/0x640
[  270.506414]  ? zap_class+0x640/0x640
[  270.510119]  ? __x64_sys_futex+0x53e/0x6a0
[  270.514359]  ? find_held_lock+0x36/0x1c0
[  270.518428]  ? handle_mm_fault+0x42a/0xc70
[  270.522659]  ? lock_downgrade+0x900/0x900
[  270.526802]  ? check_preemption_disabled+0x48/0x280
[  270.531815]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  270.536740]  ? kasan_check_read+0x11/0x20
[  270.540881]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  270.546236]  ? rcu_softirq_qs+0x20/0x20
[  270.550205]  ? trace_hardirqs_off_caller+0x310/0x310
[  270.555303]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  270.560838]  ? check_preemption_disabled+0x48/0x280
[  270.565857]  handle_mm_fault+0x54f/0xc70
[  270.569921]  ? __handle_mm_fault+0x5be0/0x5be0
[  270.574522]  ? find_vma+0x34/0x190
[  270.578064]  __do_page_fault+0x5e8/0xe60
[  270.582131]  ? trace_hardirqs_off+0xb8/0x310
[  270.586541]  do_page_fault+0xf2/0x7e0
[  270.590335]  ? vmalloc_sync_all+0x30/0x30
[  270.594488]  ? error_entry+0x70/0xd0
[  270.598219]  ? trace_hardirqs_off_caller+0xbb/0x310
[  270.603231]  ? trace_hardirqs_on_caller+0xc0/0x310
[  270.608167]  ? syscall_return_slowpath+0x5e0/0x5e0
[  270.613090]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.617929]  ? trace_hardirqs_on_caller+0x310/0x310
[  270.622937]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  270.628625]  ? prepare_exit_to_usermode+0x291/0x3b0
[  270.633636]  ? page_fault+0x8/0x30
[  270.637174]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  270.642014]  ? page_fault+0x8/0x30
[  270.645550]  page_fault+0x1e/0x30
[  270.648998] RIP: 0033:0x40f9c0
[  270.652198] Code: Bad RIP value.
[  270.655557] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  270.660913] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  270.668175] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  270.675434] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  270.682700] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  270.689959] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  270.697247] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  270.697251] warn_alloc_show_mem: 1 callbacks suppressed
[  270.697257] Mem-Info:
[  270.704526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  270.709890] active_anon:51741 inactive_anon:192 isolated_anon:0
[  270.709890]  active_file:28 inactive_file:10 isolated_file:0
[  270.709890]  unevictable:0 dirty:0 writeback:0 unstable:0
[  270.709890]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  270.709890]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  270.709890]  free:13684 free_pcp:150 free_cma:0
[  270.712255] Call Trace:
[  270.721628] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  270.754468]  <IRQ>
[  270.757046] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  270.784632]  dump_stack+0x244/0x39d
[  270.786752] lowmem_reserve[]: 0 2818 6321 6321
[  270.813423]  ? dump_stack_print_info.cold.1+0x20/0x20
[  270.817015] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  270.821596]  warn_alloc.cold.116+0xb7/0x1bd
[  270.826744] lowmem_reserve[]: 0 0 3503 3503
[  270.854331]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  270.858623] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  270.862938]  ? lock_downgrade+0x900/0x900
[  270.867752] lowmem_reserve[]: 0 0 0 0
[  270.896634]  ? trace_hardirqs_off+0xb8/0x310
[  270.900750] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  270.904545]  ? trace_hardirqs_off+0xb8/0x310
[  270.908928] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  270.922448]  __alloc_pages_slowpath+0x26e8/0x2e10
[  270.926819] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  270.942103]  ? warn_alloc+0x120/0x120
[  270.946896] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  270.962147]  ? print_usage_bug+0xc0/0xc0
[  270.965924] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  270.974742]  ? warn_alloc+0x120/0x120
[  270.978776] 281 total pagecache pages
[  270.987344]  ? warn_alloc+0x120/0x120
[  270.991125] 0 pages in swap cache
[  270.994904]  ? print_usage_bug+0xc0/0xc0
[  270.998687] Swap cache stats: add 0, delete 0, find 0/0
[  271.002129]  ? print_usage_bug+0xc0/0xc0
[  271.006158] Free swap  = 0kB
[  271.011507]  ? __lock_acquire+0x62f/0x4c20
[  271.015537] Total swap = 0kB
[  271.018546]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.022751] 1965979 pages RAM
[  271.025757]  ? should_fail+0x22d/0xd01
[  271.031256] 0 pages HighMem/MovableOnly
[  271.031263] 342854 pages reserved
[  271.034365]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.038222] 0 pages cma reserved
[  271.042183]  ? __lock_acquire+0x62f/0x4c20
[  271.045679] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  271.050703]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.050716]  ? __lock_acquire+0x62f/0x4c20
[  271.050731]  ? should_fail+0x22d/0xd01
[  271.054129] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  271.058296]  ? find_held_lock+0x36/0x1c0
[  271.064769] syz-fuzzer cpuset=/ mems_allowed=0
[  271.069863]  ? mark_held_locks+0x130/0x130
[  271.100969]  ? mark_held_locks+0x130/0x130
[  271.105196]  ? zap_class+0x640/0x640
[  271.108905]  ? zap_class+0x640/0x640
[  271.112614]  ? print_usage_bug+0xc0/0xc0
[  271.116670]  ? do_raw_spin_unlock+0xa7/0x330
[  271.121077]  ? zap_class+0x640/0x640
[  271.124813]  ? print_usage_bug+0xc0/0xc0
[  271.128873]  ? wq_watchdog_touch+0x9c/0xfe
[  271.133110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.138644]  ? check_preemption_disabled+0x48/0x280
[  271.143662]  ? __lock_is_held+0xb5/0x140
[  271.147722]  __alloc_pages_nodemask+0xa80/0xde0
[  271.152390]  ? zap_class+0x640/0x640
[  271.156107]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  271.161127]  ? find_held_lock+0x36/0x1c0
[  271.165191]  ? ____cache_alloc_node+0x1c7/0x1e0
[  271.169861]  ? lock_downgrade+0x900/0x900
[  271.174010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.179550]  cache_grow_begin+0xa5/0x8c0
[  271.183609]  ? do_raw_spin_unlock+0xa7/0x330
[  271.188023]  fallback_alloc+0x204/0x2e0
[  271.192089]  ____cache_alloc_node+0x1c7/0x1e0
[  271.196587]  kmem_cache_alloc_node+0xe3/0x730
[  271.201085]  ? ipv6_get_ifaddr+0x42e/0x620
[  271.205336]  __alloc_skb+0x119/0x770
[  271.209043]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.214335]  ? netdev_alloc_frag+0x1f0/0x1f0
[  271.218739]  ? lock_downgrade+0x900/0x900
[  271.222887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.228417]  ? refcount_sub_and_test_checked+0x203/0x310
[  271.233867]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  271.239317]  ? addrconf_rs_timer+0x690/0x690
[  271.243733]  ndisc_alloc_skb+0x144/0x340
[  271.247799]  ndisc_send_rs+0x331/0x6e0
[  271.251686]  addrconf_rs_timer+0x314/0x690
[  271.255920]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.260158]  call_timer_fn+0x272/0x920
[  271.264048]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.268297]  ? process_timeout+0x40/0x40
[  271.272359]  ? __run_timers+0x7da/0xc70
[  271.276332]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.280819]  ? _raw_spin_unlock_irq+0x27/0x80
[  271.285315]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.289547]  ? lockdep_hardirqs_on+0x296/0x5b0
[  271.294125]  ? trace_hardirqs_on+0xbd/0x310
[  271.298439]  ? kasan_check_read+0x11/0x20
[  271.302578]  ? __run_timers+0x7da/0xc70
[  271.306553]  ? trace_hardirqs_off_caller+0x310/0x310
[  271.311653]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.315890]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  271.320118]  __run_timers+0x7e5/0xc70
[  271.323923]  ? timer_fixup_init+0x70/0x70
[  271.328072]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  271.333082]  ? zap_class+0x640/0x640
[  271.336795]  ? enqueue_hrtimer+0x1a5/0x560
[  271.341028]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  271.346226]  ? find_held_lock+0x36/0x1c0
[  271.350294]  ? zap_class+0x640/0x640
[  271.354009]  ? pvclock_read_flags+0x160/0x160
[  271.358504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.364043]  ? check_preemption_disabled+0x48/0x280
[  271.369065]  ? __lock_is_held+0xb5/0x140
[  271.373124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.378656]  ? check_preemption_disabled+0x48/0x280
[  271.383671]  run_timer_softirq+0x52/0xb0
[  271.387727]  ? rcu_read_lock_sched_held+0x14f/0x180
[  271.392761]  __do_softirq+0x308/0xb7e
[  271.396567]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  271.401061]  ? lock_downgrade+0x900/0x900
[  271.405212]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  271.410320]  ? pvclock_read_flags+0x160/0x160
[  271.414813]  ? lapic_next_event+0x5a/0x90
[  271.418957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.424498]  ? kvm_clock_read+0x18/0x30
[  271.428470]  ? kvm_sched_clock_read+0x9/0x20
[  271.432877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.438416]  ? check_preemption_disabled+0x48/0x280
[  271.443436]  irq_exit+0x17f/0x1c0
[  271.446884]  smp_apic_timer_interrupt+0x1cb/0x760
[  271.451718]  ? smp_reschedule_interrupt+0x109/0x650
[  271.456729]  ? smp_call_function_single_interrupt+0x650/0x650
[  271.462610]  ? interrupt_entry+0xb5/0xc0
[  271.466672]  ? trace_hardirqs_off_caller+0xbb/0x310
[  271.471683]  ? trace_hardirqs_off_caller+0xbb/0x310
[  271.476698]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.481557]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.486570]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.491609]  ? task_prio+0x50/0x50
[  271.495144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.500677]  ? check_preemption_disabled+0x48/0x280
[  271.505704]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.510549]  apic_timer_interrupt+0xf/0x20
[  271.514772]  </IRQ>
[  271.517146] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  271.522070] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  271.540976] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  271.548771] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  271.556038] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  271.563304] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  271.570566] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  271.577829] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  271.585138]  skb_clone+0x1bb/0x500
[  271.588676]  ? finish_task_switch+0x1b4/0x910
[  271.593170]  ? skb_split+0x11e0/0x11e0
[  271.597056]  ? preempt_notifier_register+0x200/0x200
[  271.602151]  ? __switch_to_asm+0x34/0x70
[  271.606206]  ? __switch_to_asm+0x34/0x70
[  271.610265]  ? __switch_to_asm+0x40/0x70
[  271.614316]  ? __switch_to_asm+0x34/0x70
[  271.618369]  ? __switch_to_asm+0x40/0x70
[  271.622425]  ? __switch_to_asm+0x34/0x70
[  271.626480]  ? __switch_to_asm+0x40/0x70
[  271.630977]  ? __switch_to_asm+0x34/0x70
[  271.635044]  ? __switch_to_asm+0x34/0x70
[  271.639099]  ? __switch_to_asm+0x40/0x70
[  271.643163]  ? __switch_to_asm+0x34/0x70
[  271.647225]  bpf_clone_redirect+0xb9/0x490
[  271.651471]  ? __schedule+0x8d7/0x21d0
[  271.655373]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  271.660388]  ? __sched_text_start+0x8/0x8
[  271.664538]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  271.669113]  ? retint_kernel+0x2d/0x2d
[  271.673000]  ? trace_hardirqs_on_caller+0xc0/0x310
[  271.677936]  ? find_held_lock+0x36/0x1c0
[  271.681999]  ? lock_acquire+0x1ed/0x520
[  271.685971]  ? bpf_test_run+0x3cb/0x780
[  271.689951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  271.695487]  ? check_preemption_disabled+0x48/0x280
[  271.700507]  ? kasan_check_read+0x11/0x20
[  271.704654]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  271.709928]  ? rcu_softirq_qs+0x20/0x20
[  271.713897]  ? preempt_schedule+0x4d/0x60
[  271.718042]  ? ___preempt_schedule+0x16/0x18
[  271.722452]  ? bpf_test_run+0x25d/0x780
[  271.726433]  ? netlink_diag_dump+0x2a0/0x2a0
[  271.730838]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.736375]  ? bpf_test_init.isra.10+0x70/0x100
[  271.741129]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  271.745893]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  271.750728]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  271.756271]  ? fput+0x130/0x1a0
[  271.759550]  ? __bpf_prog_get+0x9b/0x290
[  271.763612]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  271.768452]  ? bpf_prog_test_run+0x130/0x1a0
[  271.772858]  ? __x64_sys_bpf+0x3d8/0x520
[  271.776918]  ? bpf_prog_get+0x20/0x20
[  271.780735]  ? do_syscall_64+0x1b9/0x820
[  271.784788]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  271.790147]  ? syscall_return_slowpath+0x5e0/0x5e0
[  271.795087]  ? trace_hardirqs_on_caller+0x310/0x310
[  271.800098]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  271.805110]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  271.811768]  ? __switch_to_asm+0x40/0x70
[  271.815823]  ? __switch_to_asm+0x34/0x70
[  271.819884]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  271.824726]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  271.830100] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  271.830182] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  271.837124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  271.843683] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  271.852941] Call Trace:
[  271.863406] syz-executor2 cpuset=syz2 mems_allowed=0
[  271.865973]  <IRQ>
[  271.873201]  dump_stack+0x244/0x39d
[  271.876834]  ? dump_stack_print_info.cold.1+0x20/0x20
[  271.882029]  warn_alloc.cold.116+0xb7/0x1bd
[  271.886347]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  271.891188]  ? lock_downgrade+0x900/0x900
[  271.895342]  ? trace_hardirqs_off+0xb8/0x310
[  271.899751]  ? trace_hardirqs_off+0xb8/0x310
[  271.904162]  __alloc_pages_slowpath+0x26e8/0x2e10
[  271.909022]  ? warn_alloc+0x120/0x120
[  271.912823]  ? print_usage_bug+0xc0/0xc0
[  271.916896]  ? warn_alloc+0x120/0x120
[  271.920696]  ? warn_alloc+0x120/0x120
[  271.924503]  ? print_usage_bug+0xc0/0xc0
[  271.928566]  ? print_usage_bug+0xc0/0xc0
[  271.932627]  ? __lock_acquire+0x62f/0x4c20
[  271.936864]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  271.942400]  ? should_fail+0x22d/0xd01
[  271.946289]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.951388]  ? __lock_acquire+0x62f/0x4c20
[  271.955625]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  271.960721]  ? __lock_acquire+0x62f/0x4c20
[  271.964950]  ? should_fail+0x22d/0xd01
[  271.968832]  ? find_held_lock+0x36/0x1c0
[  271.972899]  ? mark_held_locks+0x130/0x130
[  271.977130]  ? mark_held_locks+0x130/0x130
[  271.981357]  ? zap_class+0x640/0x640
[  271.985067]  ? zap_class+0x640/0x640
[  271.988779]  ? print_usage_bug+0xc0/0xc0
[  271.992837]  ? do_raw_spin_unlock+0xa7/0x330
[  271.997243]  ? zap_class+0x640/0x640
[  272.000953]  ? print_usage_bug+0xc0/0xc0
[  272.005010]  ? wq_watchdog_touch+0x9c/0xfe
[  272.009253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.014873]  ? check_preemption_disabled+0x48/0x280
[  272.019892]  ? __lock_is_held+0xb5/0x140
[  272.023956]  __alloc_pages_nodemask+0xa80/0xde0
[  272.028622]  ? zap_class+0x640/0x640
[  272.032333]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  272.037354]  ? find_held_lock+0x36/0x1c0
[  272.041420]  ? ____cache_alloc_node+0x1c7/0x1e0
[  272.046088]  ? lock_downgrade+0x900/0x900
[  272.050248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.055791]  cache_grow_begin+0xa5/0x8c0
[  272.059845]  ? do_raw_spin_unlock+0xa7/0x330
[  272.064270]  fallback_alloc+0x204/0x2e0
[  272.068246]  ____cache_alloc_node+0x1c7/0x1e0
[  272.072742]  kmem_cache_alloc_node+0xe3/0x730
[  272.077238]  ? ipv6_get_ifaddr+0x42e/0x620
[  272.081486]  __alloc_skb+0x119/0x770
[  272.085194]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.090480]  ? netdev_alloc_frag+0x1f0/0x1f0
[  272.094886]  ? lock_downgrade+0x900/0x900
[  272.099042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.104575]  ? refcount_sub_and_test_checked+0x203/0x310
[  272.110024]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  272.115473]  ? addrconf_rs_timer+0x690/0x690
[  272.119890]  ndisc_alloc_skb+0x144/0x340
[  272.123952]  ndisc_send_rs+0x331/0x6e0
[  272.127841]  addrconf_rs_timer+0x314/0x690
[  272.132092]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.136342]  call_timer_fn+0x272/0x920
[  272.140228]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.144458]  ? process_timeout+0x40/0x40
[  272.148546]  ? mark_held_locks+0xc7/0x130
[  272.152692]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.157184]  ? _raw_spin_unlock_irq+0x27/0x80
[  272.161676]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.165906]  ? lockdep_hardirqs_on+0x296/0x5b0
[  272.170489]  ? trace_hardirqs_on+0xbd/0x310
[  272.174805]  ? kasan_check_read+0x11/0x20
[  272.178945]  ? __run_timers+0x7da/0xc70
[  272.183091]  ? trace_hardirqs_off_caller+0x310/0x310
[  272.188194]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.192434]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  272.196664]  __run_timers+0x7e5/0xc70
[  272.200477]  ? timer_fixup_init+0x70/0x70
[  272.204621]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  272.209636]  ? zap_class+0x640/0x640
[  272.213348]  ? print_usage_bug+0xc0/0xc0
[  272.217410]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  272.222603]  ? find_held_lock+0x36/0x1c0
[  272.226678]  ? zap_class+0x640/0x640
[  272.230393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.235930]  ? check_preemption_disabled+0x48/0x280
[  272.240953]  ? __lock_is_held+0xb5/0x140
[  272.245011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.250635]  ? check_preemption_disabled+0x48/0x280
[  272.255652]  run_timer_softirq+0x52/0xb0
[  272.259712]  ? rcu_read_lock_sched_held+0x14f/0x180
[  272.264725]  __do_softirq+0x308/0xb7e
[  272.268526]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  272.273022]  ? lock_downgrade+0x900/0x900
[  272.277197]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  272.282302]  ? pvclock_read_flags+0x160/0x160
[  272.286793]  ? lapic_next_event+0x5a/0x90
[  272.290937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.296482]  ? kvm_clock_read+0x18/0x30
[  272.300459]  ? kvm_sched_clock_read+0x9/0x20
[  272.304865]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.310399]  ? check_preemption_disabled+0x48/0x280
[  272.315425]  irq_exit+0x17f/0x1c0
[  272.318883]  smp_apic_timer_interrupt+0x1cb/0x760
[  272.323723]  ? smp_call_function_single_interrupt+0x159/0x650
[  272.329603]  ? smp_call_function_single_interrupt+0x650/0x650
[  272.335482]  ? interrupt_entry+0xb5/0xc0
[  272.339543]  ? trace_hardirqs_off_caller+0xbb/0x310
[  272.344552]  ? trace_hardirqs_off_caller+0xbb/0x310
[  272.349565]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.354403]  ? trace_hardirqs_on_caller+0x310/0x310
[  272.359417]  ? trace_hardirqs_on_caller+0x310/0x310
[  272.364447]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  272.369303]  apic_timer_interrupt+0xf/0x20
[  272.373537]  </IRQ>
[  272.375774] RIP: 0010:write_comp_data+0xd/0x70
[  272.380354] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  272.399253] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  272.406956] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  272.414225] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  272.421489] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  272.428755] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  272.436029] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  272.443310]  ? list_lru_count_one+0x36d/0x450
[  272.447813]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  272.453171]  list_lru_count_one+0x36d/0x450
[  272.457499]  ? list_lru_isolate_move+0x3c0/0x3c0
[  272.462258]  ? shmem_free_inode+0xd0/0xd0
[  272.466404]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.471943]  ? ubifs_shrink_count+0xc4/0x100
[  272.476363]  super_cache_count+0x1b9/0x2e0
[  272.480598]  do_shrink_slab+0x1b1/0xd30
[  272.484576]  ? lock_acquire+0x1ed/0x520
[  272.488568]  ? snapshot_refaults+0x290/0x290
[  272.492993]  ? lock_release+0xa00/0xa00
[  272.496976]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  272.501911]  ? down_read_trylock+0xda/0x140
[  272.506224]  ? shrink_slab+0x207/0x8c0
[  272.510123]  ? downgrade_write+0x270/0x270
[  272.514453]  shrink_slab+0x389/0x8c0
[  272.518167]  ? shrink_active_list+0x1f00/0x1f00
[  272.522848]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  272.528476]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  272.533584]  ? cgroup_procs_write_finish+0xf0/0xf0
[  272.538523]  ? find_held_lock+0x36/0x1c0
[  272.542615]  shrink_node+0x431/0x16b0
[  272.546419]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  272.551720]  ? shrink_node_memcg+0x18f0/0x18f0
[  272.556301]  ? kvm_clock_read+0x18/0x30
[  272.560277]  ? ktime_get+0x2c1/0x400
[  272.563991]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  272.568487]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  272.574019]  ? __cpuset_node_allowed+0x19b/0x660
[  272.578775]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  272.584490]  ? delayacct_end+0x5a/0x100
[  272.588466]  do_try_to_free_pages+0x3e7/0x1290
[  272.593049]  ? zap_class+0x640/0x640
[  272.596774]  ? shrink_node+0x16b0/0x16b0
[  272.600838]  ? __lock_is_held+0xb5/0x140
[  272.604913]  try_to_free_pages+0x4d0/0xb90
[  272.609150]  ? do_try_to_free_pages+0x1290/0x1290
[  272.614005]  ? lock_acquire+0x1ed/0x520
[  272.617975]  ? set_page_refcounted+0x280/0x280
[  272.622559]  ? lock_release+0xa00/0xa00
[  272.626528]  ? _raw_spin_unlock_irq+0x60/0x80
[  272.631209]  ? psi_memstall_enter+0x240/0x2b0
[  272.635700]  ? psi_memstall_tick+0x230/0x230
[  272.640114]  __alloc_pages_slowpath+0xa14/0x2e10
[  272.644888]  ? warn_alloc+0x120/0x120
[  272.648682]  ? mark_held_locks+0x130/0x130
[  272.652914]  ? find_get_entry+0xaae/0x1120
[  272.657151]  ? filemap_map_pages+0x1a20/0x1a20
[  272.661736]  ? zap_class+0x640/0x640
[  272.665452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.670988]  ? check_preemption_disabled+0x48/0x280
[  272.676002]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.681534]  ? should_fail+0x22d/0xd01
[  272.685425]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  272.690527]  ? zap_class+0x640/0x640
[  272.694264]  ? __lock_is_held+0xb5/0x140
[  272.698328]  ? mark_held_locks+0x130/0x130
[  272.702560]  ? lock_release+0xa00/0xa00
[  272.706535]  ? perf_trace_sched_process_exec+0x860/0x860
[  272.711983]  ? xa_load+0x2ba/0x460
[  272.715520]  ? lock_downgrade+0x900/0x900
[  272.719666]  ? __might_sleep+0x95/0x190
[  272.723644]  __alloc_pages_nodemask+0xa80/0xde0
[  272.728320]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  272.733331]  ? __page_cache_alloc+0x191/0x5c0
[  272.737820]  ? xa_load+0x2e1/0x460
[  272.741359]  ? xa_clear_mark+0x40/0x40
[  272.745242]  ? zap_class+0x640/0x640
[  272.748958]  ? zap_class+0x640/0x640
[  272.752669]  ? zap_class+0x640/0x640
[  272.756382]  ? __do_page_cache_readahead+0x663/0x810
[  272.761493]  ? find_held_lock+0x36/0x1c0
[  272.765556]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  272.771098]  alloc_pages_current+0x173/0x350
[  272.775508]  __page_cache_alloc+0x38c/0x5c0
[  272.779826]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  272.784753]  ? kasan_check_read+0x11/0x20
[  272.788897]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.794179]  ? generic_perform_write+0x6a0/0x6a0
[  272.799314]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.804855]  ? check_preemption_disabled+0x48/0x280
[  272.809877]  filemap_fault+0x1595/0x25f0
[  272.813946]  ? __lock_page_or_retry+0xa00/0xa00
[  272.818617]  ? mark_held_locks+0x130/0x130
[  272.822880]  ? filemap_map_pages+0xd6b/0x1a20
[  272.827376]  ? lock_downgrade+0x900/0x900
[  272.831533]  ? check_preemption_disabled+0x48/0x280
[  272.836547]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  272.841476]  ? kasan_check_read+0x11/0x20
[  272.845618]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.850894]  ? rcu_softirq_qs+0x20/0x20
[  272.854874]  ? filemap_map_pages+0xd92/0x1a20
[  272.859375]  ? find_get_entries_tag+0x1400/0x1400
[  272.864232]  ? debug_object_destroy+0x2b0/0x2b0
[  272.868898]  ? lock_pi_update_atomic+0x150/0x150
[  272.873648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  272.879195]  ? lock_acquire+0x1ed/0x520
[  272.883166]  ? ext4_filemap_fault+0x7a/0xad
[  272.887490]  ? lock_release+0xa00/0xa00
[  272.891461]  ? perf_trace_sched_process_exec+0x860/0x860
[  272.896912]  ? print_usage_bug+0xc0/0xc0
[  272.900968]  ? print_usage_bug+0xc0/0xc0
[  272.905034]  ? down_read+0x8d/0x120
[  272.908653]  ? ext4_filemap_fault+0x7a/0xad
[  272.912973]  ? __down_interruptible+0x700/0x700
[  272.917644]  ext4_filemap_fault+0x82/0xad
[  272.921793]  __do_fault+0x100/0x6b0
[  272.925425]  ? pmd_devmap_trans_unstable+0x220/0x220
[  272.930528]  ? mark_held_locks+0x130/0x130
[  272.934762]  ? mark_held_locks+0x130/0x130
[  272.938991]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  272.944263]  ? rcu_softirq_qs+0x20/0x20
[  272.948236]  ? kasan_check_write+0x14/0x20
[  272.952466]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  272.958003]  __handle_mm_fault+0x3ea0/0x5be0
[  272.962422]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  272.967268]  ? aa_path_link+0x5e0/0x5e0
[  272.971241]  ? ksys_dup3+0x680/0x680
[  272.974959]  ? zap_class+0x640/0x640
[  272.978681]  ? zap_class+0x640/0x640
[  272.982395]  ? __x64_sys_futex+0x53e/0x6a0
[  272.986642]  ? find_held_lock+0x36/0x1c0
[  272.990706]  ? handle_mm_fault+0x42a/0xc70
[  272.994939]  ? lock_downgrade+0x900/0x900
[  272.999097]  ? check_preemption_disabled+0x48/0x280
[  273.004135]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  273.009059]  ? kasan_check_read+0x11/0x20
[  273.013204]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.018476]  ? rcu_softirq_qs+0x20/0x20
[  273.022444]  ? trace_hardirqs_off_caller+0x310/0x310
[  273.027546]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.033081]  ? check_preemption_disabled+0x48/0x280
[  273.038101]  handle_mm_fault+0x54f/0xc70
[  273.042170]  ? __handle_mm_fault+0x5be0/0x5be0
[  273.046753]  ? find_vma+0x34/0x190
[  273.050293]  __do_page_fault+0x5e8/0xe60
[  273.054349]  ? trace_hardirqs_off+0xb8/0x310
[  273.058764]  do_page_fault+0xf2/0x7e0
[  273.062560]  ? vmalloc_sync_all+0x30/0x30
[  273.066706]  ? error_entry+0x70/0xd0
[  273.070414]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.075428]  ? trace_hardirqs_on_caller+0xc0/0x310
[  273.080357]  ? syscall_return_slowpath+0x5e0/0x5e0
[  273.085286]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.090131]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.095146]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  273.100597]  ? prepare_exit_to_usermode+0x291/0x3b0
[  273.105607]  ? page_fault+0x8/0x30
[  273.109149]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.113987]  ? page_fault+0x8/0x30
[  273.117528]  page_fault+0x1e/0x30
[  273.120973] RIP: 0033:0x40f9c0
[  273.124174] Code: Bad RIP value.
[  273.127530] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  273.132886] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  273.140150] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  273.147416] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  273.154680] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  273.161942] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  273.169234] warn_alloc_show_mem: 1 callbacks suppressed
[  273.169243] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  273.169245] Mem-Info:
[  273.169276] active_anon:51741 inactive_anon:192 isolated_anon:0
[  273.169276]  active_file:28 inactive_file:10 isolated_file:0
[  273.169276]  unevictable:0 dirty:0 writeback:0 unstable:0
[  273.169276]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  273.169276]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  273.169276]  free:13684 free_pcp:150 free_cma:0
[  273.174613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  273.181884] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  273.184278] Call Trace:
[  273.217136] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  273.226480]  <IRQ>
[  273.254046] lowmem_reserve[]: 0 2818 6321 6321
[  273.256637]  dump_stack+0x244/0x39d
[  273.282712] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  273.284868]  ? dump_stack_print_info.cold.1+0x20/0x20
[  273.289423] lowmem_reserve[]: 0 0 3503 3503
[  273.293048]  warn_alloc.cold.116+0xb7/0x1bd
[  273.320614] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  273.325797]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  273.330105] lowmem_reserve[]: 0 0 0 0
[  273.334418]  ? lock_downgrade+0x900/0x900
[  273.363268] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  273.368122]  ? trace_hardirqs_off+0xb8/0x310
[  273.371885] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  273.376028]  ? trace_hardirqs_off+0xb8/0x310
[  273.389521] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  273.393927]  __alloc_pages_slowpath+0x26e8/0x2e10
[  273.409158] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  273.413570]  ? warn_alloc+0x120/0x120
[  273.428785] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  273.433613]  ? print_usage_bug+0xc0/0xc0
[  273.442420] 281 total pagecache pages
[  273.446207]  ? warn_alloc+0x120/0x120
[  273.454772] 0 pages in swap cache
[  273.458817]  ? warn_alloc+0x120/0x120
[  273.462592] Swap cache stats: add 0, delete 0, find 0/0
[  273.466375]  ? print_usage_bug+0xc0/0xc0
[  273.469798] Free swap  = 0kB
[  273.473591]  ? kvm_clock_read+0x18/0x30
[  273.478921] Total swap = 0kB
[  273.482981]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  273.485967] 1965979 pages RAM
[  273.489928]  ? print_usage_bug+0xc0/0xc0
[  273.492917] 0 pages HighMem/MovableOnly
[  273.497920]  ? __lock_acquire+0x62f/0x4c20
[  273.500995] 342854 pages reserved
[  273.505044]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  273.508987] 0 pages cma reserved
[  273.513208]  ? should_fail+0x22d/0xd01
[  273.516704] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  273.522150]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.522167]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.522183]  ? __lock_acquire+0x62f/0x4c20
[  273.525587] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  273.529403]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  273.535868] syz-fuzzer cpuset=/ mems_allowed=0
[  273.541130]  ? __lock_acquire+0x62f/0x4c20
[  273.574503]  ? should_fail+0x22d/0xd01
[  273.578387]  ? rcu_irq_exit+0x1a2/0x390
[  273.582369]  ? mark_held_locks+0x130/0x130
[  273.586606]  ? mark_held_locks+0x130/0x130
[  273.590846]  ? mark_held_locks+0xc7/0x130
[  273.594990]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  273.600002]  ? zap_class+0x640/0x640
[  273.603710]  ? print_usage_bug+0xc0/0xc0
[  273.607775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.613310]  ? check_preemption_disabled+0x48/0x280
[  273.618330]  ? __lock_is_held+0xb5/0x140
[  273.622393]  __alloc_pages_nodemask+0xa80/0xde0
[  273.627477]  ? zap_class+0x640/0x640
[  273.631194]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  273.636212]  ? find_held_lock+0x36/0x1c0
[  273.640278]  ? ____cache_alloc_node+0x1c7/0x1e0
[  273.644947]  ? lock_downgrade+0x900/0x900
[  273.649108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.654649]  cache_grow_begin+0xa5/0x8c0
[  273.658703]  ? do_raw_spin_unlock+0xa7/0x330
[  273.663116]  fallback_alloc+0x204/0x2e0
[  273.667096]  ____cache_alloc_node+0x1c7/0x1e0
[  273.671589]  kmem_cache_alloc_node+0xe3/0x730
[  273.676086]  ? ipv6_get_ifaddr+0x42e/0x620
[  273.680324]  __alloc_skb+0x119/0x770
[  273.684031]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  273.689321]  ? netdev_alloc_frag+0x1f0/0x1f0
[  273.693724]  ? lock_downgrade+0x900/0x900
[  273.697878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.703414]  ? refcount_sub_and_test_checked+0x203/0x310
[  273.708867]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  273.714314]  ? addrconf_rs_timer+0x690/0x690
[  273.718741]  ndisc_alloc_skb+0x144/0x340
[  273.722800]  ndisc_send_rs+0x331/0x6e0
[  273.726692]  addrconf_rs_timer+0x314/0x690
[  273.730927]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.735166]  call_timer_fn+0x272/0x920
[  273.739048]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.743282]  ? process_timeout+0x40/0x40
[  273.747348]  ? __run_timers+0x7da/0xc70
[  273.751325]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.755813]  ? _raw_spin_unlock_irq+0x27/0x80
[  273.760309]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.764541]  ? lockdep_hardirqs_on+0x296/0x5b0
[  273.769118]  ? trace_hardirqs_on+0xbd/0x310
[  273.773434]  ? kasan_check_read+0x11/0x20
[  273.777580]  ? __run_timers+0x7da/0xc70
[  273.781555]  ? trace_hardirqs_off_caller+0x310/0x310
[  273.786658]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.790889]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  273.795115]  __run_timers+0x7e5/0xc70
[  273.798918]  ? timer_fixup_init+0x70/0x70
[  273.803069]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  273.808088]  ? zap_class+0x640/0x640
[  273.811799]  ? enqueue_hrtimer+0x1a5/0x560
[  273.816032]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  273.821232]  ? find_held_lock+0x36/0x1c0
[  273.825295]  ? zap_class+0x640/0x640
[  273.829010]  ? pvclock_read_flags+0x160/0x160
[  273.833505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.839040]  ? check_preemption_disabled+0x48/0x280
[  273.844077]  ? __lock_is_held+0xb5/0x140
[  273.848137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.853843]  ? check_preemption_disabled+0x48/0x280
[  273.858858]  run_timer_softirq+0x52/0xb0
[  273.862921]  ? rcu_read_lock_sched_held+0x14f/0x180
[  273.867936]  __do_softirq+0x308/0xb7e
[  273.871741]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  273.876229]  ? lock_downgrade+0x900/0x900
[  273.880377]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  273.885484]  ? pvclock_read_flags+0x160/0x160
[  273.889975]  ? lapic_next_event+0x5a/0x90
[  273.894122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.899660]  ? kvm_clock_read+0x18/0x30
[  273.903641]  ? kvm_sched_clock_read+0x9/0x20
[  273.908055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.913589]  ? check_preemption_disabled+0x48/0x280
[  273.918608]  irq_exit+0x17f/0x1c0
[  273.922065]  smp_apic_timer_interrupt+0x1cb/0x760
[  273.926903]  ? smp_reschedule_interrupt+0x109/0x650
[  273.931914]  ? smp_call_function_single_interrupt+0x650/0x650
[  273.937791]  ? interrupt_entry+0xb5/0xc0
[  273.941859]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.946870]  ? trace_hardirqs_off_caller+0xbb/0x310
[  273.951885]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.956728]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.961740]  ? trace_hardirqs_on_caller+0x310/0x310
[  273.966766]  ? task_prio+0x50/0x50
[  273.970306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  273.975840]  ? check_preemption_disabled+0x48/0x280
[  273.980855]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  273.985703]  apic_timer_interrupt+0xf/0x20
[  273.989930]  </IRQ>
[  273.992166] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  273.997093] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  274.015987] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  274.023692] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  274.030956] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  274.038226] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  274.045490] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  274.052754] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  274.060062]  skb_clone+0x1bb/0x500
[  274.063600]  ? finish_task_switch+0x1b4/0x910
[  274.068091]  ? skb_split+0x11e0/0x11e0
[  274.071974]  ? preempt_notifier_register+0x200/0x200
[  274.077071]  ? __switch_to_asm+0x34/0x70
[  274.081129]  ? __switch_to_asm+0x34/0x70
[  274.085182]  ? __switch_to_asm+0x40/0x70
[  274.089238]  ? __switch_to_asm+0x34/0x70
[  274.093292]  ? __switch_to_asm+0x40/0x70
[  274.097345]  ? __switch_to_asm+0x34/0x70
[  274.101401]  ? __switch_to_asm+0x40/0x70
[  274.105452]  ? __switch_to_asm+0x34/0x70
[  274.109507]  ? __switch_to_asm+0x34/0x70
[  274.113559]  ? __switch_to_asm+0x40/0x70
[  274.117612]  ? __switch_to_asm+0x34/0x70
[  274.121673]  bpf_clone_redirect+0xb9/0x490
[  274.125903]  ? __schedule+0x8d7/0x21d0
[  274.129796]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  274.134816]  ? __sched_text_start+0x8/0x8
[  274.138968]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  274.143548]  ? retint_kernel+0x2d/0x2d
[  274.147431]  ? trace_hardirqs_on_caller+0xc0/0x310
[  274.152373]  ? find_held_lock+0x36/0x1c0
[  274.156438]  ? lock_acquire+0x1ed/0x520
[  274.160410]  ? bpf_test_run+0x3cb/0x780
[  274.164382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.169916]  ? check_preemption_disabled+0x48/0x280
[  274.174936]  ? kasan_check_read+0x11/0x20
[  274.179080]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.184350]  ? rcu_softirq_qs+0x20/0x20
[  274.188325]  ? preempt_schedule+0x4d/0x60
[  274.192470]  ? ___preempt_schedule+0x16/0x18
[  274.196880]  ? bpf_test_run+0x25d/0x780
[  274.200860]  ? netlink_diag_dump+0x2a0/0x2a0
[  274.205327]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.210860]  ? bpf_test_init.isra.10+0x70/0x100
[  274.215531]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  274.220294]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  274.225140]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  274.230800]  ? fput+0x130/0x1a0
[  274.234080]  ? __bpf_prog_get+0x9b/0x290
[  274.238139]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  274.242974]  ? bpf_prog_test_run+0x130/0x1a0
[  274.247380]  ? __x64_sys_bpf+0x3d8/0x520
[  274.251439]  ? bpf_prog_get+0x20/0x20
[  274.255253]  ? do_syscall_64+0x1b9/0x820
[  274.259321]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  274.264683]  ? syscall_return_slowpath+0x5e0/0x5e0
[  274.269718]  ? trace_hardirqs_on_caller+0x310/0x310
[  274.274731]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  274.279747]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  274.286418]  ? __switch_to_asm+0x40/0x70
[  274.290474]  ? __switch_to_asm+0x34/0x70
[  274.294534]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.299379]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  274.304756] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  274.304837] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  274.311771] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  274.311775] Call Trace:
[  274.311783]  <IRQ>
[  274.311801]  dump_stack+0x244/0x39d
[  274.311819]  ? dump_stack_print_info.cold.1+0x20/0x20
[  274.318374] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  274.327642]  warn_alloc.cold.116+0xb7/0x1bd
[  274.330202] syz-executor2 cpuset=syz2 mems_allowed=0
[  274.332352]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  274.365819]  ? lock_downgrade+0x900/0x900
[  274.369968]  ? trace_hardirqs_off+0xb8/0x310
[  274.374382]  ? trace_hardirqs_off+0xb8/0x310
[  274.378798]  __alloc_pages_slowpath+0x26e8/0x2e10
[  274.383661]  ? warn_alloc+0x120/0x120
[  274.387460]  ? print_usage_bug+0xc0/0xc0
[  274.391516]  ? warn_alloc+0x120/0x120
[  274.395320]  ? warn_alloc+0x120/0x120
[  274.399119]  ? print_usage_bug+0xc0/0xc0
[  274.403192]  ? print_usage_bug+0xc0/0xc0
[  274.407250]  ? __lock_acquire+0x62f/0x4c20
[  274.411490]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.417026]  ? should_fail+0x22d/0xd01
[  274.420918]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.426030]  ? __lock_acquire+0x62f/0x4c20
[  274.430267]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  274.435363]  ? __lock_acquire+0x62f/0x4c20
[  274.439592]  ? should_fail+0x22d/0xd01
[  274.443477]  ? find_held_lock+0x36/0x1c0
[  274.447538]  ? mark_held_locks+0x130/0x130
[  274.451770]  ? mark_held_locks+0x130/0x130
[  274.456019]  ? zap_class+0x640/0x640
[  274.459735]  ? zap_class+0x640/0x640
[  274.463450]  ? print_usage_bug+0xc0/0xc0
[  274.467531]  ? do_raw_spin_unlock+0xa7/0x330
[  274.471935]  ? zap_class+0x640/0x640
[  274.475646]  ? print_usage_bug+0xc0/0xc0
[  274.479702]  ? wq_watchdog_touch+0x9c/0xfe
[  274.483935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.489468]  ? check_preemption_disabled+0x48/0x280
[  274.494490]  ? __lock_is_held+0xb5/0x140
[  274.498550]  __alloc_pages_nodemask+0xa80/0xde0
[  274.503216]  ? zap_class+0x640/0x640
[  274.506936]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  274.511956]  ? find_held_lock+0x36/0x1c0
[  274.516032]  ? ____cache_alloc_node+0x1c7/0x1e0
[  274.520698]  ? lock_downgrade+0x900/0x900
[  274.524848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.530385]  cache_grow_begin+0xa5/0x8c0
[  274.534444]  ? do_raw_spin_unlock+0xa7/0x330
[  274.538859]  fallback_alloc+0x204/0x2e0
[  274.542836]  ____cache_alloc_node+0x1c7/0x1e0
[  274.547334]  kmem_cache_alloc_node+0xe3/0x730
[  274.551825]  ? ipv6_get_ifaddr+0x42e/0x620
[  274.556068]  __alloc_skb+0x119/0x770
[  274.559777]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  274.565055]  ? netdev_alloc_frag+0x1f0/0x1f0
[  274.569462]  ? lock_downgrade+0x900/0x900
[  274.573611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.579146]  ? refcount_sub_and_test_checked+0x203/0x310
[  274.584598]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  274.590046]  ? addrconf_rs_timer+0x690/0x690
[  274.594461]  ndisc_alloc_skb+0x144/0x340
[  274.598523]  ndisc_send_rs+0x331/0x6e0
[  274.602427]  addrconf_rs_timer+0x314/0x690
[  274.606661]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.610898]  call_timer_fn+0x272/0x920
[  274.614779]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.619015]  ? process_timeout+0x40/0x40
[  274.623080]  ? mark_held_locks+0xc7/0x130
[  274.627468]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.631954]  ? _raw_spin_unlock_irq+0x27/0x80
[  274.636446]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.640682]  ? lockdep_hardirqs_on+0x296/0x5b0
[  274.645270]  ? trace_hardirqs_on+0xbd/0x310
[  274.649586]  ? kasan_check_read+0x11/0x20
[  274.653726]  ? __run_timers+0x7da/0xc70
[  274.657695]  ? trace_hardirqs_off_caller+0x310/0x310
[  274.662798]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.667033]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  274.671263]  __run_timers+0x7e5/0xc70
[  274.675069]  ? timer_fixup_init+0x70/0x70
[  274.679214]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  274.684237]  ? zap_class+0x640/0x640
[  274.687951]  ? print_usage_bug+0xc0/0xc0
[  274.692016]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  274.697209]  ? find_held_lock+0x36/0x1c0
[  274.701277]  ? zap_class+0x640/0x640
[  274.704998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.710536]  ? check_preemption_disabled+0x48/0x280
[  274.715556]  ? __lock_is_held+0xb5/0x140
[  274.719612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.725147]  ? check_preemption_disabled+0x48/0x280
[  274.730163]  run_timer_softirq+0x52/0xb0
[  274.734220]  ? rcu_read_lock_sched_held+0x14f/0x180
[  274.739242]  __do_softirq+0x308/0xb7e
[  274.743129]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  274.747623]  ? lock_downgrade+0x900/0x900
[  274.751769]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  274.756877]  ? pvclock_read_flags+0x160/0x160
[  274.761374]  ? lapic_next_event+0x5a/0x90
[  274.765521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  274.771061]  ? kvm_clock_read+0x18/0x30
[  274.775031]  ? kvm_sched_clock_read+0x9/0x20
[  274.779437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.784980]  ? check_preemption_disabled+0x48/0x280
[  274.790004]  irq_exit+0x17f/0x1c0
[  274.793468]  smp_apic_timer_interrupt+0x1cb/0x760
[  274.798692]  ? smp_call_function_single_interrupt+0x159/0x650
[  274.804582]  ? smp_call_function_single_interrupt+0x650/0x650
[  274.810461]  ? interrupt_entry+0xb5/0xc0
[  274.814519]  ? trace_hardirqs_off_caller+0xbb/0x310
[  274.819527]  ? trace_hardirqs_off_caller+0xbb/0x310
[  274.824540]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.829382]  ? trace_hardirqs_on_caller+0x310/0x310
[  274.834396]  ? trace_hardirqs_on_caller+0x310/0x310
[  274.839419]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  274.844264]  apic_timer_interrupt+0xf/0x20
[  274.848491]  </IRQ>
[  274.850727] RIP: 0010:write_comp_data+0xd/0x70
[  274.855305] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  274.874203] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  274.881909] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  274.889170] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  274.896436] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  274.903715] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  274.910984] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  274.918279]  ? list_lru_count_one+0x36d/0x450
[  274.922865]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  274.928225]  list_lru_count_one+0x36d/0x450
[  274.932547]  ? list_lru_isolate_move+0x3c0/0x3c0
[  274.937301]  ? shmem_free_inode+0xd0/0xd0
[  274.941449]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  274.946986]  ? ubifs_shrink_count+0xc4/0x100
[  274.951396]  super_cache_count+0x1b9/0x2e0
[  274.955630]  do_shrink_slab+0x1b1/0xd30
[  274.959610]  ? lock_acquire+0x1ed/0x520
[  274.963582]  ? snapshot_refaults+0x290/0x290
[  274.967988]  ? lock_release+0xa00/0xa00
[  274.971970]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  274.976903]  ? down_read_trylock+0xda/0x140
[  274.981220]  ? shrink_slab+0x207/0x8c0
[  274.985103]  ? downgrade_write+0x270/0x270
[  274.989342]  shrink_slab+0x389/0x8c0
[  274.993051]  ? shrink_active_list+0x1f00/0x1f00
[  274.997723]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  275.003348]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  275.008454]  ? cgroup_procs_write_finish+0xf0/0xf0
[  275.013388]  ? find_held_lock+0x36/0x1c0
[  275.017454]  shrink_node+0x431/0x16b0
[  275.021258]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  275.026560]  ? shrink_node_memcg+0x18f0/0x18f0
[  275.031142]  ? kvm_clock_read+0x18/0x30
[  275.035113]  ? ktime_get+0x2c1/0x400
[  275.038826]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  275.043318]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  275.048848]  ? __cpuset_node_allowed+0x19b/0x660
[  275.053600]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  275.059307]  ? delayacct_end+0x5a/0x100
[  275.063289]  do_try_to_free_pages+0x3e7/0x1290
[  275.067868]  ? zap_class+0x640/0x640
[  275.071591]  ? shrink_node+0x16b0/0x16b0
[  275.075652]  ? __lock_is_held+0xb5/0x140
[  275.079719]  try_to_free_pages+0x4d0/0xb90
[  275.083964]  ? do_try_to_free_pages+0x1290/0x1290
[  275.088820]  ? lock_acquire+0x1ed/0x520
[  275.092789]  ? set_page_refcounted+0x280/0x280
[  275.097375]  ? lock_release+0xa00/0xa00
[  275.101345]  ? _raw_spin_unlock_irq+0x60/0x80
[  275.105839]  ? psi_memstall_enter+0x240/0x2b0
[  275.110330]  ? psi_memstall_tick+0x230/0x230
[  275.114744]  __alloc_pages_slowpath+0xa14/0x2e10
[  275.119523]  ? warn_alloc+0x120/0x120
[  275.123319]  ? mark_held_locks+0x130/0x130
[  275.127556]  ? find_get_entry+0xaae/0x1120
[  275.131793]  ? filemap_map_pages+0x1a20/0x1a20
[  275.136375]  ? zap_class+0x640/0x640
[  275.140089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.145629]  ? check_preemption_disabled+0x48/0x280
[  275.150643]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.156177]  ? should_fail+0x22d/0xd01
[  275.160070]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.165171]  ? zap_class+0x640/0x640
[  275.168905]  ? __lock_is_held+0xb5/0x140
[  275.172976]  ? mark_held_locks+0x130/0x130
[  275.177212]  ? lock_release+0xa00/0xa00
[  275.181189]  ? perf_trace_sched_process_exec+0x860/0x860
[  275.186636]  ? xa_load+0x2ba/0x460
[  275.190172]  ? lock_downgrade+0x900/0x900
[  275.194321]  ? __might_sleep+0x95/0x190
[  275.198294]  __alloc_pages_nodemask+0xa80/0xde0
[  275.202968]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  275.207979]  ? __page_cache_alloc+0x191/0x5c0
[  275.212469]  ? xa_load+0x2e1/0x460
[  275.216007]  ? xa_clear_mark+0x40/0x40
[  275.219896]  ? zap_class+0x640/0x640
[  275.223620]  ? zap_class+0x640/0x640
[  275.227328]  ? zap_class+0x640/0x640
[  275.231046]  ? __do_page_cache_readahead+0x663/0x810
[  275.236151]  ? find_held_lock+0x36/0x1c0
[  275.240217]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  275.245759]  alloc_pages_current+0x173/0x350
[  275.250167]  __page_cache_alloc+0x38c/0x5c0
[  275.254486]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  275.259411]  ? kasan_check_read+0x11/0x20
[  275.263553]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.268829]  ? generic_perform_write+0x6a0/0x6a0
[  275.273584]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.279121]  ? check_preemption_disabled+0x48/0x280
[  275.284155]  filemap_fault+0x1595/0x25f0
[  275.288241]  ? __lock_page_or_retry+0xa00/0xa00
[  275.293007]  ? mark_held_locks+0x130/0x130
[  275.297247]  ? filemap_map_pages+0xd6b/0x1a20
[  275.301748]  ? lock_downgrade+0x900/0x900
[  275.305905]  ? check_preemption_disabled+0x48/0x280
[  275.310942]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  275.315881]  ? kasan_check_read+0x11/0x20
[  275.320024]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.325301]  ? rcu_softirq_qs+0x20/0x20
[  275.329286]  ? filemap_map_pages+0xd92/0x1a20
[  275.333801]  ? find_get_entries_tag+0x1400/0x1400
[  275.338645]  ? debug_object_destroy+0x2b0/0x2b0
[  275.343315]  ? lock_pi_update_atomic+0x150/0x150
[  275.348070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  275.353619]  ? lock_acquire+0x1ed/0x520
[  275.357587]  ? ext4_filemap_fault+0x7a/0xad
[  275.361920]  ? lock_release+0xa00/0xa00
[  275.365919]  ? perf_trace_sched_process_exec+0x860/0x860
[  275.371370]  ? print_usage_bug+0xc0/0xc0
[  275.375430]  ? print_usage_bug+0xc0/0xc0
[  275.379498]  ? down_read+0x8d/0x120
[  275.383124]  ? ext4_filemap_fault+0x7a/0xad
[  275.387441]  ? __down_interruptible+0x700/0x700
[  275.392116]  ext4_filemap_fault+0x82/0xad
[  275.396265]  __do_fault+0x100/0x6b0
[  275.399895]  ? pmd_devmap_trans_unstable+0x220/0x220
[  275.405001]  ? mark_held_locks+0x130/0x130
[  275.409236]  ? mark_held_locks+0x130/0x130
[  275.413464]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.418736]  ? rcu_softirq_qs+0x20/0x20
[  275.422711]  ? kasan_check_write+0x14/0x20
[  275.426950]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.432487]  __handle_mm_fault+0x3ea0/0x5be0
[  275.436898]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  275.441744]  ? aa_path_link+0x5e0/0x5e0
[  275.445718]  ? ksys_dup3+0x680/0x680
[  275.449438]  ? zap_class+0x640/0x640
[  275.453147]  ? zap_class+0x640/0x640
[  275.456863]  ? __x64_sys_futex+0x53e/0x6a0
[  275.461100]  ? find_held_lock+0x36/0x1c0
[  275.465171]  ? handle_mm_fault+0x42a/0xc70
[  275.469403]  ? lock_downgrade+0x900/0x900
[  275.473552]  ? check_preemption_disabled+0x48/0x280
[  275.478567]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  275.483491]  ? kasan_check_read+0x11/0x20
[  275.487636]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.492914]  ? rcu_softirq_qs+0x20/0x20
[  275.496908]  ? trace_hardirqs_off_caller+0x310/0x310
[  275.502013]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.507550]  ? check_preemption_disabled+0x48/0x280
[  275.512571]  handle_mm_fault+0x54f/0xc70
[  275.516634]  ? __handle_mm_fault+0x5be0/0x5be0
[  275.521236]  ? find_vma+0x34/0x190
[  275.524779]  __do_page_fault+0x5e8/0xe60
[  275.528835]  ? trace_hardirqs_off+0xb8/0x310
[  275.533259]  do_page_fault+0xf2/0x7e0
[  275.537057]  ? vmalloc_sync_all+0x30/0x30
[  275.541203]  ? error_entry+0x70/0xd0
[  275.544920]  ? trace_hardirqs_off_caller+0xbb/0x310
[  275.549931]  ? trace_hardirqs_on_caller+0xc0/0x310
[  275.554862]  ? syscall_return_slowpath+0x5e0/0x5e0
[  275.559790]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.564631]  ? trace_hardirqs_on_caller+0x310/0x310
[  275.569643]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  275.575095]  ? prepare_exit_to_usermode+0x291/0x3b0
[  275.580107]  ? page_fault+0x8/0x30
[  275.583657]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  275.588498]  ? page_fault+0x8/0x30
[  275.592037]  page_fault+0x1e/0x30
[  275.595485] RIP: 0033:0x40f9c0
[  275.598690] Code: Bad RIP value.
[  275.602045] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  275.607415] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  275.614679] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  275.621944] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  275.629747] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  275.637015] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  275.644308] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  275.644313] warn_alloc_show_mem: 1 callbacks suppressed
[  275.644319] Mem-Info:
[  275.651587] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  275.656950] active_anon:51741 inactive_anon:192 isolated_anon:0
[  275.656950]  active_file:28 inactive_file:10 isolated_file:0
[  275.656950]  unevictable:0 dirty:0 writeback:0 unstable:0
[  275.656950]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  275.656950]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  275.656950]  free:13684 free_pcp:150 free_cma:0
[  275.659318] Call Trace:
[  275.668704] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  275.701541]  <IRQ>
[  275.704106] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  275.731689]  dump_stack+0x244/0x39d
[  275.733801] lowmem_reserve[]: 0 2818 6321 6321
[  275.759917]  ? dump_stack_print_info.cold.1+0x20/0x20
[  275.763510] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  275.768094]  warn_alloc.cold.116+0xb7/0x1bd
[  275.773245] lowmem_reserve[]: 0 0 3503 3503
[  275.800823]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  275.805116] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  275.809426]  ? lock_downgrade+0x900/0x900
[  275.814237] lowmem_reserve[]: 0 0 0 0
[  275.843116]  ? trace_hardirqs_off+0xb8/0x310
[  275.847236] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  275.851044]  ? trace_hardirqs_off+0xb8/0x310
[  275.851058]  __alloc_pages_slowpath+0x26e8/0x2e10
[  275.851080]  ? warn_alloc+0x120/0x120
[  275.851091]  ? print_usage_bug+0xc0/0xc0
[  275.851100]  ? warn_alloc+0x120/0x120
[  275.851110]  ? warn_alloc+0x120/0x120
[  275.851119]  ? print_usage_bug+0xc0/0xc0
[  275.851134]  ? kvm_clock_read+0x18/0x30
[  275.851147]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  275.851163]  ? print_usage_bug+0xc0/0xc0
[  275.855545] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  275.869063]  ? __lock_acquire+0x62f/0x4c20
[  275.873443] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  275.878277]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  275.882052] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  275.886095]  ? should_fail+0x22d/0xd01
[  275.889874] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  275.893659]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  275.897689] 281 total pagecache pages
[  275.901652]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.906645] 0 pages in swap cache
[  275.910690]  ? __lock_acquire+0x62f/0x4c20
[  275.925925] Swap cache stats: add 0, delete 0, find 0/0
[  275.930145]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  275.945383] Free swap  = 0kB
[  275.950920]  ? __lock_acquire+0x62f/0x4c20
[  275.959723] Total swap = 0kB
[  275.963596]  ? should_fail+0x22d/0xd01
[  275.972141] 1965979 pages RAM
[  275.977401]  ? rcu_irq_exit+0x1a2/0x390
[  275.981172] 0 pages HighMem/MovableOnly
[  275.986267]  ? mark_held_locks+0x130/0x130
[  275.989700] 342854 pages reserved
[  275.989707] 0 pages cma reserved
[  275.993938]  ? mark_held_locks+0x130/0x130
[  275.999351] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  276.004369]  ? mark_held_locks+0xc7/0x130
[  276.007509] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  276.011616]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  276.014622] syz-fuzzer cpuset=/ mems_allowed=0
[  276.018496]  ? zap_class+0x640/0x640
[  276.078771]  ? print_usage_bug+0xc0/0xc0
[  276.082832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.088376]  ? check_preemption_disabled+0x48/0x280
[  276.093394]  ? __lock_is_held+0xb5/0x140
[  276.097456]  __alloc_pages_nodemask+0xa80/0xde0
[  276.102121]  ? zap_class+0x640/0x640
[  276.105839]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  276.110874]  ? find_held_lock+0x36/0x1c0
[  276.114941]  ? ____cache_alloc_node+0x1c7/0x1e0
[  276.119609]  ? lock_downgrade+0x900/0x900
[  276.123757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.129300]  cache_grow_begin+0xa5/0x8c0
[  276.133359]  ? do_raw_spin_unlock+0xa7/0x330
[  276.137771]  fallback_alloc+0x204/0x2e0
[  276.141750]  ____cache_alloc_node+0x1c7/0x1e0
[  276.146268]  kmem_cache_alloc_node+0xe3/0x730
[  276.150761]  ? ipv6_get_ifaddr+0x42e/0x620
[  276.155002]  __alloc_skb+0x119/0x770
[  276.158708]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.163984]  ? netdev_alloc_frag+0x1f0/0x1f0
[  276.168391]  ? lock_downgrade+0x900/0x900
[  276.172541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.178074]  ? refcount_sub_and_test_checked+0x203/0x310
[  276.183522]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  276.188968]  ? addrconf_rs_timer+0x690/0x690
[  276.193387]  ndisc_alloc_skb+0x144/0x340
[  276.197444]  ndisc_send_rs+0x331/0x6e0
[  276.201331]  addrconf_rs_timer+0x314/0x690
[  276.205567]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.209810]  call_timer_fn+0x272/0x920
[  276.213704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.217932]  ? process_timeout+0x40/0x40
[  276.222007]  ? __run_timers+0x7da/0xc70
[  276.225977]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.230464]  ? _raw_spin_unlock_irq+0x27/0x80
[  276.234950]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.239183]  ? lockdep_hardirqs_on+0x296/0x5b0
[  276.243766]  ? trace_hardirqs_on+0xbd/0x310
[  276.248085]  ? kasan_check_read+0x11/0x20
[  276.252225]  ? __run_timers+0x7da/0xc70
[  276.256193]  ? trace_hardirqs_off_caller+0x310/0x310
[  276.261294]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.265529]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  276.269860]  __run_timers+0x7e5/0xc70
[  276.273664]  ? timer_fixup_init+0x70/0x70
[  276.277810]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  276.282845]  ? zap_class+0x640/0x640
[  276.286557]  ? enqueue_hrtimer+0x1a5/0x560
[  276.290789]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  276.295978]  ? find_held_lock+0x36/0x1c0
[  276.300040]  ? zap_class+0x640/0x640
[  276.303755]  ? pvclock_read_flags+0x160/0x160
[  276.308255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.313789]  ? check_preemption_disabled+0x48/0x280
[  276.318812]  ? __lock_is_held+0xb5/0x140
[  276.322878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.328413]  ? check_preemption_disabled+0x48/0x280
[  276.333432]  run_timer_softirq+0x52/0xb0
[  276.337502]  ? rcu_read_lock_sched_held+0x14f/0x180
[  276.342518]  __do_softirq+0x308/0xb7e
[  276.346318]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  276.350807]  ? lock_downgrade+0x900/0x900
[  276.354962]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  276.360071]  ? pvclock_read_flags+0x160/0x160
[  276.364564]  ? lapic_next_event+0x5a/0x90
[  276.368716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.374254]  ? kvm_clock_read+0x18/0x30
[  276.378229]  ? kvm_sched_clock_read+0x9/0x20
[  276.382634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.388168]  ? check_preemption_disabled+0x48/0x280
[  276.393188]  irq_exit+0x17f/0x1c0
[  276.396643]  smp_apic_timer_interrupt+0x1cb/0x760
[  276.401482]  ? smp_reschedule_interrupt+0x109/0x650
[  276.406496]  ? smp_call_function_single_interrupt+0x650/0x650
[  276.412377]  ? interrupt_entry+0xb5/0xc0
[  276.416453]  ? trace_hardirqs_off_caller+0xbb/0x310
[  276.421467]  ? trace_hardirqs_off_caller+0xbb/0x310
[  276.426487]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.431346]  ? trace_hardirqs_on_caller+0x310/0x310
[  276.436361]  ? trace_hardirqs_on_caller+0x310/0x310
[  276.441391]  ? task_prio+0x50/0x50
[  276.444931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.450467]  ? check_preemption_disabled+0x48/0x280
[  276.455487]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.460335]  apic_timer_interrupt+0xf/0x20
[  276.464560]  </IRQ>
[  276.466800] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  276.471743] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  276.490637] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  276.498442] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  276.505703] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  276.512965] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  276.520227] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  276.527488] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  276.534788]  skb_clone+0x1bb/0x500
[  276.538330]  ? finish_task_switch+0x1b4/0x910
[  276.542825]  ? skb_split+0x11e0/0x11e0
[  276.546710]  ? preempt_notifier_register+0x200/0x200
[  276.551813]  ? __switch_to_asm+0x34/0x70
[  276.555868]  ? __switch_to_asm+0x34/0x70
[  276.560006]  ? __switch_to_asm+0x40/0x70
[  276.564060]  ? __switch_to_asm+0x34/0x70
[  276.568114]  ? __switch_to_asm+0x40/0x70
[  276.572168]  ? __switch_to_asm+0x34/0x70
[  276.576226]  ? __switch_to_asm+0x40/0x70
[  276.580428]  ? __switch_to_asm+0x34/0x70
[  276.584483]  ? __switch_to_asm+0x34/0x70
[  276.588542]  ? __switch_to_asm+0x40/0x70
[  276.592684]  ? __switch_to_asm+0x34/0x70
[  276.596758]  bpf_clone_redirect+0xb9/0x490
[  276.600993]  ? __schedule+0x8d7/0x21d0
[  276.604884]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  276.609899]  ? __sched_text_start+0x8/0x8
[  276.614050]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  276.618626]  ? retint_kernel+0x2d/0x2d
[  276.622514]  ? trace_hardirqs_on_caller+0xc0/0x310
[  276.627442]  ? find_held_lock+0x36/0x1c0
[  276.631507]  ? lock_acquire+0x1ed/0x520
[  276.635476]  ? bpf_test_run+0x3cb/0x780
[  276.639448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.644986]  ? check_preemption_disabled+0x48/0x280
[  276.650002]  ? kasan_check_read+0x11/0x20
[  276.654146]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.659416]  ? rcu_softirq_qs+0x20/0x20
[  276.663385]  ? preempt_schedule+0x4d/0x60
[  276.667531]  ? ___preempt_schedule+0x16/0x18
[  276.671942]  ? bpf_test_run+0x25d/0x780
[  276.675931]  ? netlink_diag_dump+0x2a0/0x2a0
[  276.680338]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.685868]  ? bpf_test_init.isra.10+0x70/0x100
[  276.690555]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  276.695318]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  276.700162]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  276.705707]  ? fput+0x130/0x1a0
[  276.708983]  ? __bpf_prog_get+0x9b/0x290
[  276.713041]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  276.717880]  ? bpf_prog_test_run+0x130/0x1a0
[  276.722290]  ? __x64_sys_bpf+0x3d8/0x520
[  276.726359]  ? bpf_prog_get+0x20/0x20
[  276.730175]  ? do_syscall_64+0x1b9/0x820
[  276.734229]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  276.739589]  ? syscall_return_slowpath+0x5e0/0x5e0
[  276.744515]  ? trace_hardirqs_on_caller+0x310/0x310
[  276.749531]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  276.754552]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  276.761217]  ? __switch_to_asm+0x40/0x70
[  276.765269]  ? __switch_to_asm+0x34/0x70
[  276.769330]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  276.774173]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  276.779550] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  276.779632] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  276.786563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  276.786570] Call Trace:
[  276.793132] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  276.802772]  <IRQ>
[  276.805349] syz-executor2 cpuset=syz2 mems_allowed=0
[  276.815831]  dump_stack+0x244/0x39d
[  276.826657]  ? dump_stack_print_info.cold.1+0x20/0x20
[  276.831871]  warn_alloc.cold.116+0xb7/0x1bd
[  276.836192]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  276.841039]  ? lock_downgrade+0x900/0x900
[  276.845203]  ? trace_hardirqs_off+0xb8/0x310
[  276.849613]  ? trace_hardirqs_off+0xb8/0x310
[  276.854028]  __alloc_pages_slowpath+0x26e8/0x2e10
[  276.858904]  ? warn_alloc+0x120/0x120
[  276.862705]  ? print_usage_bug+0xc0/0xc0
[  276.866765]  ? warn_alloc+0x120/0x120
[  276.870574]  ? warn_alloc+0x120/0x120
[  276.874370]  ? print_usage_bug+0xc0/0xc0
[  276.878428]  ? kvm_clock_read+0x18/0x30
[  276.882400]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  276.887412]  ? print_usage_bug+0xc0/0xc0
[  276.891484]  ? __lock_acquire+0x62f/0x4c20
[  276.895719]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  276.901255]  ? should_fail+0x22d/0xd01
[  276.905134]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  276.910415]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.915516]  ? __lock_acquire+0x62f/0x4c20
[  276.919751]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  276.924855]  ? __lock_acquire+0x62f/0x4c20
[  276.929084]  ? should_fail+0x22d/0xd01
[  276.932967]  ? rcu_irq_exit+0x1a2/0x390
[  276.936944]  ? mark_held_locks+0x130/0x130
[  276.941182]  ? mark_held_locks+0x130/0x130
[  276.945424]  ? mark_held_locks+0xc7/0x130
[  276.949573]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  276.954581]  ? zap_class+0x640/0x640
[  276.958291]  ? print_usage_bug+0xc0/0xc0
[  276.962348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  276.967907]  ? check_preemption_disabled+0x48/0x280
[  276.972933]  ? __lock_is_held+0xb5/0x140
[  276.976993]  __alloc_pages_nodemask+0xa80/0xde0
[  276.981660]  ? zap_class+0x640/0x640
[  276.985371]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  276.990391]  ? find_held_lock+0x36/0x1c0
[  276.994460]  ? ____cache_alloc_node+0x1c7/0x1e0
[  276.999126]  ? lock_downgrade+0x900/0x900
[  277.003296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.008836]  cache_grow_begin+0xa5/0x8c0
[  277.012896]  ? do_raw_spin_unlock+0xa7/0x330
[  277.017307]  fallback_alloc+0x204/0x2e0
[  277.021462]  ____cache_alloc_node+0x1c7/0x1e0
[  277.025964]  kmem_cache_alloc_node+0xe3/0x730
[  277.030474]  ? ipv6_get_ifaddr+0x42e/0x620
[  277.034712]  __alloc_skb+0x119/0x770
[  277.038419]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.043704]  ? netdev_alloc_frag+0x1f0/0x1f0
[  277.048106]  ? lock_downgrade+0x900/0x900
[  277.052258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.057793]  ? refcount_sub_and_test_checked+0x203/0x310
[  277.063243]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  277.068687]  ? addrconf_rs_timer+0x690/0x690
[  277.073103]  ndisc_alloc_skb+0x144/0x340
[  277.077162]  ndisc_send_rs+0x331/0x6e0
[  277.081050]  addrconf_rs_timer+0x314/0x690
[  277.085282]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.089521]  call_timer_fn+0x272/0x920
[  277.093402]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.097631]  ? process_timeout+0x40/0x40
[  277.101699]  ? mark_held_locks+0xc7/0x130
[  277.105845]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.110332]  ? _raw_spin_unlock_irq+0x27/0x80
[  277.114830]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.119060]  ? lockdep_hardirqs_on+0x296/0x5b0
[  277.123637]  ? trace_hardirqs_on+0xbd/0x310
[  277.127957]  ? kasan_check_read+0x11/0x20
[  277.132097]  ? __run_timers+0x7da/0xc70
[  277.136065]  ? trace_hardirqs_off_caller+0x310/0x310
[  277.141170]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.145492]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  277.149719]  __run_timers+0x7e5/0xc70
[  277.153532]  ? timer_fixup_init+0x70/0x70
[  277.157681]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  277.162781]  ? zap_class+0x640/0x640
[  277.166500]  ? print_usage_bug+0xc0/0xc0
[  277.170571]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  277.175771]  ? find_held_lock+0x36/0x1c0
[  277.179830]  ? zap_class+0x640/0x640
[  277.183542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.189079]  ? check_preemption_disabled+0x48/0x280
[  277.194098]  ? __lock_is_held+0xb5/0x140
[  277.198155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.203691]  ? check_preemption_disabled+0x48/0x280
[  277.208707]  run_timer_softirq+0x52/0xb0
[  277.212772]  ? rcu_read_lock_sched_held+0x14f/0x180
[  277.217789]  __do_softirq+0x308/0xb7e
[  277.221585]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  277.226077]  ? lock_downgrade+0x900/0x900
[  277.230222]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  277.235329]  ? pvclock_read_flags+0x160/0x160
[  277.239824]  ? lapic_next_event+0x5a/0x90
[  277.243982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.249521]  ? kvm_clock_read+0x18/0x30
[  277.253489]  ? kvm_sched_clock_read+0x9/0x20
[  277.257894]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.263426]  ? check_preemption_disabled+0x48/0x280
[  277.268447]  irq_exit+0x17f/0x1c0
[  277.271899]  smp_apic_timer_interrupt+0x1cb/0x760
[  277.276744]  ? smp_call_function_single_interrupt+0x159/0x650
[  277.282628]  ? smp_call_function_single_interrupt+0x650/0x650
[  277.288505]  ? interrupt_entry+0xb5/0xc0
[  277.292561]  ? trace_hardirqs_off_caller+0xbb/0x310
[  277.297571]  ? trace_hardirqs_off_caller+0xbb/0x310
[  277.302586]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.307425]  ? trace_hardirqs_on_caller+0x310/0x310
[  277.312449]  ? trace_hardirqs_on_caller+0x310/0x310
[  277.317469]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  277.322325]  apic_timer_interrupt+0xf/0x20
[  277.326552]  </IRQ>
[  277.328792] RIP: 0010:write_comp_data+0xd/0x70
[  277.333384] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  277.352625] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  277.360327] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  277.367587] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  277.374848] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  277.382107] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  277.389371] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  277.396649]  ? list_lru_count_one+0x36d/0x450
[  277.401152]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  277.406508]  list_lru_count_one+0x36d/0x450
[  277.410827]  ? list_lru_isolate_move+0x3c0/0x3c0
[  277.415583]  ? shmem_free_inode+0xd0/0xd0
[  277.419736]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.425269]  ? ubifs_shrink_count+0xc4/0x100
[  277.429685]  super_cache_count+0x1b9/0x2e0
[  277.433917]  do_shrink_slab+0x1b1/0xd30
[  277.437891]  ? lock_acquire+0x1ed/0x520
[  277.441867]  ? snapshot_refaults+0x290/0x290
[  277.446274]  ? lock_release+0xa00/0xa00
[  277.450250]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  277.455181]  ? down_read_trylock+0xda/0x140
[  277.459497]  ? shrink_slab+0x207/0x8c0
[  277.463388]  ? downgrade_write+0x270/0x270
[  277.467629]  shrink_slab+0x389/0x8c0
[  277.471343]  ? shrink_active_list+0x1f00/0x1f00
[  277.476016]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  277.481641]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  277.486752]  ? cgroup_procs_write_finish+0xf0/0xf0
[  277.491682]  ? find_held_lock+0x36/0x1c0
[  277.495754]  shrink_node+0x431/0x16b0
[  277.499554]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  277.504849]  ? shrink_node_memcg+0x18f0/0x18f0
[  277.509431]  ? kvm_clock_read+0x18/0x30
[  277.513402]  ? ktime_get+0x2c1/0x400
[  277.517116]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  277.521611]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  277.527142]  ? __cpuset_node_allowed+0x19b/0x660
[  277.531893]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  277.537598]  ? delayacct_end+0x5a/0x100
[  277.541578]  do_try_to_free_pages+0x3e7/0x1290
[  277.546153]  ? zap_class+0x640/0x640
[  277.549876]  ? shrink_node+0x16b0/0x16b0
[  277.553933]  ? __lock_is_held+0xb5/0x140
[  277.558013]  try_to_free_pages+0x4d0/0xb90
[  277.562251]  ? do_try_to_free_pages+0x1290/0x1290
[  277.567098]  ? lock_acquire+0x1ed/0x520
[  277.571065]  ? set_page_refcounted+0x280/0x280
[  277.575647]  ? lock_release+0xa00/0xa00
[  277.579619]  ? _raw_spin_unlock_irq+0x60/0x80
[  277.584108]  ? psi_memstall_enter+0x240/0x2b0
[  277.588600]  ? psi_memstall_tick+0x230/0x230
[  277.593013]  __alloc_pages_slowpath+0xa14/0x2e10
[  277.597791]  ? warn_alloc+0x120/0x120
[  277.601586]  ? mark_held_locks+0x130/0x130
[  277.605823]  ? find_get_entry+0xaae/0x1120
[  277.610059]  ? filemap_map_pages+0x1a20/0x1a20
[  277.614639]  ? zap_class+0x640/0x640
[  277.618352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.623888]  ? check_preemption_disabled+0x48/0x280
[  277.629404]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.634946]  ? should_fail+0x22d/0xd01
[  277.638836]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  277.643939]  ? zap_class+0x640/0x640
[  277.647696]  ? __lock_is_held+0xb5/0x140
[  277.651766]  ? mark_held_locks+0x130/0x130
[  277.656004]  ? lock_release+0xa00/0xa00
[  277.659983]  ? perf_trace_sched_process_exec+0x860/0x860
[  277.665432]  ? xa_load+0x2ba/0x460
[  277.668974]  ? lock_downgrade+0x900/0x900
[  277.673134]  ? __might_sleep+0x95/0x190
[  277.677112]  __alloc_pages_nodemask+0xa80/0xde0
[  277.681782]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  277.686792]  ? __page_cache_alloc+0x191/0x5c0
[  277.691281]  ? xa_load+0x2e1/0x460
[  277.694816]  ? xa_clear_mark+0x40/0x40
[  277.698709]  ? zap_class+0x640/0x640
[  277.702424]  ? zap_class+0x640/0x640
[  277.706131]  ? zap_class+0x640/0x640
[  277.709839]  ? __do_page_cache_readahead+0x663/0x810
[  277.714939]  ? find_held_lock+0x36/0x1c0
[  277.719003]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  277.724539]  alloc_pages_current+0x173/0x350
[  277.728950]  __page_cache_alloc+0x38c/0x5c0
[  277.733273]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  277.738198]  ? kasan_check_read+0x11/0x20
[  277.742341]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.747617]  ? generic_perform_write+0x6a0/0x6a0
[  277.752370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.757908]  ? check_preemption_disabled+0x48/0x280
[  277.762929]  filemap_fault+0x1595/0x25f0
[  277.767003]  ? __lock_page_or_retry+0xa00/0xa00
[  277.771669]  ? mark_held_locks+0x130/0x130
[  277.775911]  ? filemap_map_pages+0xd6b/0x1a20
[  277.780402]  ? lock_downgrade+0x900/0x900
[  277.784543]  ? check_preemption_disabled+0x48/0x280
[  277.789555]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  277.794480]  ? kasan_check_read+0x11/0x20
[  277.798619]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.803891]  ? rcu_softirq_qs+0x20/0x20
[  277.807872]  ? filemap_map_pages+0xd92/0x1a20
[  277.812374]  ? find_get_entries_tag+0x1400/0x1400
[  277.817227]  ? debug_object_destroy+0x2b0/0x2b0
[  277.821896]  ? lock_pi_update_atomic+0x150/0x150
[  277.826735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  277.832814]  ? lock_acquire+0x1ed/0x520
[  277.836785]  ? ext4_filemap_fault+0x7a/0xad
[  277.841114]  ? lock_release+0xa00/0xa00
[  277.845085]  ? perf_trace_sched_process_exec+0x860/0x860
[  277.850529]  ? print_usage_bug+0xc0/0xc0
[  277.854719]  ? print_usage_bug+0xc0/0xc0
[  277.858786]  ? down_read+0x8d/0x120
[  277.862405]  ? ext4_filemap_fault+0x7a/0xad
[  277.866725]  ? __down_interruptible+0x700/0x700
[  277.871396]  ext4_filemap_fault+0x82/0xad
[  277.875542]  __do_fault+0x100/0x6b0
[  277.879168]  ? pmd_devmap_trans_unstable+0x220/0x220
[  277.884267]  ? mark_held_locks+0x130/0x130
[  277.888497]  ? mark_held_locks+0x130/0x130
[  277.892722]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.897997]  ? rcu_softirq_qs+0x20/0x20
[  277.901973]  ? kasan_check_write+0x14/0x20
[  277.906207]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.911743]  __handle_mm_fault+0x3ea0/0x5be0
[  277.916160]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  277.921000]  ? aa_path_link+0x5e0/0x5e0
[  277.924972]  ? ksys_dup3+0x680/0x680
[  277.928700]  ? zap_class+0x640/0x640
[  277.932407]  ? zap_class+0x640/0x640
[  277.936112]  ? __x64_sys_futex+0x53e/0x6a0
[  277.940348]  ? find_held_lock+0x36/0x1c0
[  277.944410]  ? handle_mm_fault+0x42a/0xc70
[  277.948645]  ? lock_downgrade+0x900/0x900
[  277.952794]  ? check_preemption_disabled+0x48/0x280
[  277.957812]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  277.962736]  ? kasan_check_read+0x11/0x20
[  277.966877]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  277.972152]  ? rcu_softirq_qs+0x20/0x20
[  277.976121]  ? trace_hardirqs_off_caller+0x310/0x310
[  277.981218]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  277.986754]  ? check_preemption_disabled+0x48/0x280
[  277.991774]  handle_mm_fault+0x54f/0xc70
[  277.995850]  ? __handle_mm_fault+0x5be0/0x5be0
[  278.000466]  ? find_vma+0x34/0x190
[  278.004009]  __do_page_fault+0x5e8/0xe60
[  278.008063]  ? trace_hardirqs_off+0xb8/0x310
[  278.012473]  do_page_fault+0xf2/0x7e0
[  278.016272]  ? vmalloc_sync_all+0x30/0x30
[  278.020417]  ? error_entry+0x70/0xd0
[  278.024125]  ? trace_hardirqs_off_caller+0xbb/0x310
[  278.029138]  ? trace_hardirqs_on_caller+0xc0/0x310
[  278.034062]  ? syscall_return_slowpath+0x5e0/0x5e0
[  278.038989]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.043825]  ? trace_hardirqs_on_caller+0x310/0x310
[  278.048840]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  278.054288]  ? prepare_exit_to_usermode+0x291/0x3b0
[  278.059404]  ? page_fault+0x8/0x30
[  278.062943]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.067782]  ? page_fault+0x8/0x30
[  278.071319]  page_fault+0x1e/0x30
[  278.074765] RIP: 0033:0x40f9c0
[  278.077978] Code: Bad RIP value.
[  278.081340] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  278.086699] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  278.093964] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  278.101238] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  278.108502] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  278.115764] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  278.123574] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  278.123578] warn_alloc_show_mem: 1 callbacks suppressed
[  278.123585] Mem-Info:
[  278.130875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  278.136237] active_anon:51741 inactive_anon:192 isolated_anon:0
[  278.136237]  active_file:28 inactive_file:10 isolated_file:0
[  278.136237]  unevictable:0 dirty:0 writeback:0 unstable:0
[  278.136237]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  278.136237]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  278.136237]  free:13684 free_pcp:150 free_cma:0
[  278.138608] Call Trace:
[  278.148009] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  278.180827]  <IRQ>
[  278.183391] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  278.210970]  dump_stack+0x244/0x39d
[  278.213088] lowmem_reserve[]: 0 2818 6321 6321
[  278.239190]  ? dump_stack_print_info.cold.1+0x20/0x20
[  278.242798] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  278.247377]  warn_alloc.cold.116+0xb7/0x1bd
[  278.252526] lowmem_reserve[]: 0 0 3503 3503
[  278.280101]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  278.284409] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  278.288719]  ? lock_downgrade+0x900/0x900
[  278.293522] lowmem_reserve[]: 0 0 0 0
[  278.322418]  ? trace_hardirqs_off+0xb8/0x310
[  278.326528] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  278.330318]  ? trace_hardirqs_off+0xb8/0x310
[  278.334702] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  278.348218]  __alloc_pages_slowpath+0x26e8/0x2e10
[  278.352588] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  278.367863]  ? warn_alloc+0x120/0x120
[  278.372668] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  278.387913]  ? print_usage_bug+0xc0/0xc0
[  278.391686] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  278.400502]  ? warn_alloc+0x120/0x120
[  278.404534] 281 total pagecache pages
[  278.413095]  ? warn_alloc+0x120/0x120
[  278.416873] 0 pages in swap cache
[  278.420663]  ? print_usage_bug+0xc0/0xc0
[  278.424444] Swap cache stats: add 0, delete 0, find 0/0
[  278.427881]  ? kvm_clock_read+0x18/0x30
[  278.431915] Free swap  = 0kB
[  278.437265]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  278.441208] Total swap = 0kB
[  278.444214]  ? print_usage_bug+0xc0/0xc0
[  278.449197] 1965979 pages RAM
[  278.452202]  ? __lock_acquire+0x62f/0x4c20
[  278.456228] 0 pages HighMem/MovableOnly
[  278.456235] 342854 pages reserved
[  278.459330]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  278.463535] 0 pages cma reserved
[  278.467496]  ? should_fail+0x22d/0xd01
[  278.470990] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  278.476434]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.476451]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.479880] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  278.483666]  ? __lock_acquire+0x62f/0x4c20
[  278.490127] syz-fuzzer cpuset=/ mems_allowed=0
[  278.495396]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  278.524545]  ? __lock_acquire+0x62f/0x4c20
[  278.528774]  ? should_fail+0x22d/0xd01
[  278.532654]  ? rcu_irq_exit+0x1a2/0x390
[  278.536638]  ? mark_held_locks+0x130/0x130
[  278.540874]  ? mark_held_locks+0x130/0x130
[  278.545106]  ? mark_held_locks+0xc7/0x130
[  278.549250]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  278.554261]  ? zap_class+0x640/0x640
[  278.557969]  ? print_usage_bug+0xc0/0xc0
[  278.562032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.567565]  ? check_preemption_disabled+0x48/0x280
[  278.572586]  ? __lock_is_held+0xb5/0x140
[  278.576659]  __alloc_pages_nodemask+0xa80/0xde0
[  278.581326]  ? zap_class+0x640/0x640
[  278.585041]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  278.590062]  ? find_held_lock+0x36/0x1c0
[  278.594126]  ? ____cache_alloc_node+0x1c7/0x1e0
[  278.598790]  ? lock_downgrade+0x900/0x900
[  278.602961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.608504]  cache_grow_begin+0xa5/0x8c0
[  278.612560]  ? do_raw_spin_unlock+0xa7/0x330
[  278.617064]  fallback_alloc+0x204/0x2e0
[  278.621038]  ____cache_alloc_node+0x1c7/0x1e0
[  278.625532]  kmem_cache_alloc_node+0xe3/0x730
[  278.630024]  ? ipv6_get_ifaddr+0x42e/0x620
[  278.634265]  __alloc_skb+0x119/0x770
[  278.637971]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  278.643246]  ? netdev_alloc_frag+0x1f0/0x1f0
[  278.647666]  ? lock_downgrade+0x900/0x900
[  278.651819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.657353]  ? refcount_sub_and_test_checked+0x203/0x310
[  278.662803]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  278.668248]  ? addrconf_rs_timer+0x690/0x690
[  278.672663]  ndisc_alloc_skb+0x144/0x340
[  278.676725]  ndisc_send_rs+0x331/0x6e0
[  278.680621]  addrconf_rs_timer+0x314/0x690
[  278.684857]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.689096]  call_timer_fn+0x272/0x920
[  278.692981]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.697301]  ? process_timeout+0x40/0x40
[  278.701368]  ? __run_timers+0x7da/0xc70
[  278.705344]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.709838]  ? _raw_spin_unlock_irq+0x27/0x80
[  278.714327]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.718556]  ? lockdep_hardirqs_on+0x296/0x5b0
[  278.723136]  ? trace_hardirqs_on+0xbd/0x310
[  278.727453]  ? kasan_check_read+0x11/0x20
[  278.731592]  ? __run_timers+0x7da/0xc70
[  278.735580]  ? trace_hardirqs_off_caller+0x310/0x310
[  278.740687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.744922]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  278.749151]  __run_timers+0x7e5/0xc70
[  278.752956]  ? timer_fixup_init+0x70/0x70
[  278.757101]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  278.762129]  ? zap_class+0x640/0x640
[  278.765848]  ? enqueue_hrtimer+0x1a5/0x560
[  278.770085]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  278.775302]  ? find_held_lock+0x36/0x1c0
[  278.779365]  ? zap_class+0x640/0x640
[  278.783079]  ? pvclock_read_flags+0x160/0x160
[  278.787593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.793137]  ? check_preemption_disabled+0x48/0x280
[  278.798710]  ? __lock_is_held+0xb5/0x140
[  278.802770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.808305]  ? check_preemption_disabled+0x48/0x280
[  278.813324]  run_timer_softirq+0x52/0xb0
[  278.817390]  ? rcu_read_lock_sched_held+0x14f/0x180
[  278.822412]  __do_softirq+0x308/0xb7e
[  278.826211]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  278.830700]  ? lock_downgrade+0x900/0x900
[  278.834846]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  278.839953]  ? pvclock_read_flags+0x160/0x160
[  278.844446]  ? lapic_next_event+0x5a/0x90
[  278.848587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.854148]  ? kvm_clock_read+0x18/0x30
[  278.858120]  ? kvm_sched_clock_read+0x9/0x20
[  278.862527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.868062]  ? check_preemption_disabled+0x48/0x280
[  278.873081]  irq_exit+0x17f/0x1c0
[  278.876534]  smp_apic_timer_interrupt+0x1cb/0x760
[  278.881374]  ? smp_reschedule_interrupt+0x109/0x650
[  278.886387]  ? smp_call_function_single_interrupt+0x650/0x650
[  278.892373]  ? interrupt_entry+0xb5/0xc0
[  278.896432]  ? trace_hardirqs_off_caller+0xbb/0x310
[  278.901440]  ? trace_hardirqs_off_caller+0xbb/0x310
[  278.906452]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.911291]  ? trace_hardirqs_on_caller+0x310/0x310
[  278.916300]  ? trace_hardirqs_on_caller+0x310/0x310
[  278.921311]  ? task_prio+0x50/0x50
[  278.924849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  278.930395]  ? check_preemption_disabled+0x48/0x280
[  278.935423]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  278.940271]  apic_timer_interrupt+0xf/0x20
[  278.944494]  </IRQ>
[  278.946731] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  278.951662] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  278.970937] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  278.978640] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  278.985915] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  278.993178] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  279.000443] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  279.007797] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  279.015113]  skb_clone+0x1bb/0x500
[  279.018652]  ? finish_task_switch+0x1b4/0x910
[  279.023145]  ? skb_split+0x11e0/0x11e0
[  279.027030]  ? preempt_notifier_register+0x200/0x200
[  279.032125]  ? __switch_to_asm+0x34/0x70
[  279.036178]  ? __switch_to_asm+0x34/0x70
[  279.040258]  ? __switch_to_asm+0x40/0x70
[  279.044315]  ? __switch_to_asm+0x34/0x70
[  279.048371]  ? __switch_to_asm+0x40/0x70
[  279.052427]  ? __switch_to_asm+0x34/0x70
[  279.056483]  ? __switch_to_asm+0x40/0x70
[  279.060538]  ? __switch_to_asm+0x34/0x70
[  279.064599]  ? __switch_to_asm+0x34/0x70
[  279.068650]  ? __switch_to_asm+0x40/0x70
[  279.072706]  ? __switch_to_asm+0x34/0x70
[  279.076766]  bpf_clone_redirect+0xb9/0x490
[  279.081007]  ? __schedule+0x8d7/0x21d0
[  279.084894]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  279.089905]  ? __sched_text_start+0x8/0x8
[  279.094053]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  279.098633]  ? retint_kernel+0x2d/0x2d
[  279.102517]  ? trace_hardirqs_on_caller+0xc0/0x310
[  279.107445]  ? find_held_lock+0x36/0x1c0
[  279.111509]  ? lock_acquire+0x1ed/0x520
[  279.115481]  ? bpf_test_run+0x3cb/0x780
[  279.119453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.124987]  ? check_preemption_disabled+0x48/0x280
[  279.130005]  ? kasan_check_read+0x11/0x20
[  279.134148]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  279.139419]  ? rcu_softirq_qs+0x20/0x20
[  279.143391]  ? preempt_schedule+0x4d/0x60
[  279.147627]  ? ___preempt_schedule+0x16/0x18
[  279.152039]  ? bpf_test_run+0x25d/0x780
[  279.156017]  ? netlink_diag_dump+0x2a0/0x2a0
[  279.160427]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.165962]  ? bpf_test_init.isra.10+0x70/0x100
[  279.170633]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  279.175397]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  279.180244]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  279.185778]  ? fput+0x130/0x1a0
[  279.189053]  ? __bpf_prog_get+0x9b/0x290
[  279.193112]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  279.197948]  ? bpf_prog_test_run+0x130/0x1a0
[  279.202355]  ? __x64_sys_bpf+0x3d8/0x520
[  279.206411]  ? bpf_prog_get+0x20/0x20
[  279.210222]  ? do_syscall_64+0x1b9/0x820
[  279.214278]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  279.219638]  ? syscall_return_slowpath+0x5e0/0x5e0
[  279.224572]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.229588]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  279.234600]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  279.241263]  ? __switch_to_asm+0x40/0x70
[  279.245320]  ? __switch_to_asm+0x34/0x70
[  279.249380]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.254223]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  279.259605] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  279.259706] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  279.266632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  279.266640] Call Trace:
[  279.273217] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  279.282450]  <IRQ>
[  279.285010] syz-executor2 cpuset=syz2 mems_allowed=0
[  279.295485]  dump_stack+0x244/0x39d
[  279.306307]  ? dump_stack_print_info.cold.1+0x20/0x20
[  279.311506]  warn_alloc.cold.116+0xb7/0x1bd
[  279.315850]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  279.320698]  ? lock_downgrade+0x900/0x900
[  279.324848]  ? trace_hardirqs_off+0xb8/0x310
[  279.329256]  ? trace_hardirqs_off+0xb8/0x310
[  279.333666]  __alloc_pages_slowpath+0x26e8/0x2e10
[  279.338526]  ? warn_alloc+0x120/0x120
[  279.342329]  ? print_usage_bug+0xc0/0xc0
[  279.346385]  ? warn_alloc+0x120/0x120
[  279.350182]  ? warn_alloc+0x120/0x120
[  279.353979]  ? print_usage_bug+0xc0/0xc0
[  279.358050]  ? kvm_clock_read+0x18/0x30
[  279.362022]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  279.367041]  ? print_usage_bug+0xc0/0xc0
[  279.371098]  ? __lock_acquire+0x62f/0x4c20
[  279.375334]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.380868]  ? should_fail+0x22d/0xd01
[  279.384751]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  279.390025]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.395124]  ? __lock_acquire+0x62f/0x4c20
[  279.399355]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  279.404454]  ? __lock_acquire+0x62f/0x4c20
[  279.408681]  ? should_fail+0x22d/0xd01
[  279.412566]  ? rcu_irq_exit+0x1a2/0x390
[  279.416552]  ? mark_held_locks+0x130/0x130
[  279.420786]  ? mark_held_locks+0x130/0x130
[  279.425021]  ? mark_held_locks+0xc7/0x130
[  279.429167]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  279.434177]  ? zap_class+0x640/0x640
[  279.437891]  ? print_usage_bug+0xc0/0xc0
[  279.441951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.447498]  ? check_preemption_disabled+0x48/0x280
[  279.452518]  ? __lock_is_held+0xb5/0x140
[  279.456937]  __alloc_pages_nodemask+0xa80/0xde0
[  279.461611]  ? zap_class+0x640/0x640
[  279.465323]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  279.470344]  ? find_held_lock+0x36/0x1c0
[  279.474412]  ? ____cache_alloc_node+0x1c7/0x1e0
[  279.479079]  ? lock_downgrade+0x900/0x900
[  279.483230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.488764]  cache_grow_begin+0xa5/0x8c0
[  279.492823]  ? do_raw_spin_unlock+0xa7/0x330
[  279.497231]  fallback_alloc+0x204/0x2e0
[  279.501210]  ____cache_alloc_node+0x1c7/0x1e0
[  279.505707]  kmem_cache_alloc_node+0xe3/0x730
[  279.510211]  ? ipv6_get_ifaddr+0x42e/0x620
[  279.514450]  __alloc_skb+0x119/0x770
[  279.518160]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  279.523442]  ? netdev_alloc_frag+0x1f0/0x1f0
[  279.527846]  ? lock_downgrade+0x900/0x900
[  279.531994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.537525]  ? refcount_sub_and_test_checked+0x203/0x310
[  279.542986]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  279.548436]  ? addrconf_rs_timer+0x690/0x690
[  279.552856]  ndisc_alloc_skb+0x144/0x340
[  279.556914]  ndisc_send_rs+0x331/0x6e0
[  279.560814]  addrconf_rs_timer+0x314/0x690
[  279.565049]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.569289]  call_timer_fn+0x272/0x920
[  279.573173]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.577406]  ? process_timeout+0x40/0x40
[  279.581471]  ? mark_held_locks+0xc7/0x130
[  279.585617]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.590108]  ? _raw_spin_unlock_irq+0x27/0x80
[  279.594599]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.598828]  ? lockdep_hardirqs_on+0x296/0x5b0
[  279.603410]  ? trace_hardirqs_on+0xbd/0x310
[  279.607744]  ? kasan_check_read+0x11/0x20
[  279.611904]  ? __run_timers+0x7da/0xc70
[  279.615875]  ? trace_hardirqs_off_caller+0x310/0x310
[  279.620979]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.625212]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  279.630014]  __run_timers+0x7e5/0xc70
[  279.633824]  ? timer_fixup_init+0x70/0x70
[  279.637970]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  279.642988]  ? zap_class+0x640/0x640
[  279.646700]  ? print_usage_bug+0xc0/0xc0
[  279.650758]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  279.655955]  ? find_held_lock+0x36/0x1c0
[  279.660019]  ? zap_class+0x640/0x640
[  279.663733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.669278]  ? check_preemption_disabled+0x48/0x280
[  279.674303]  ? __lock_is_held+0xb5/0x140
[  279.678359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.683893]  ? check_preemption_disabled+0x48/0x280
[  279.688924]  run_timer_softirq+0x52/0xb0
[  279.692983]  ? rcu_read_lock_sched_held+0x14f/0x180
[  279.698000]  __do_softirq+0x308/0xb7e
[  279.701818]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  279.706330]  ? lock_downgrade+0x900/0x900
[  279.710489]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  279.715607]  ? pvclock_read_flags+0x160/0x160
[  279.720111]  ? lapic_next_event+0x5a/0x90
[  279.724259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  279.729820]  ? kvm_clock_read+0x18/0x30
[  279.733801]  ? kvm_sched_clock_read+0x9/0x20
[  279.738209]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.743743]  ? check_preemption_disabled+0x48/0x280
[  279.748766]  irq_exit+0x17f/0x1c0
[  279.752220]  smp_apic_timer_interrupt+0x1cb/0x760
[  279.757064]  ? smp_call_function_single_interrupt+0x159/0x650
[  279.762943]  ? smp_call_function_single_interrupt+0x650/0x650
[  279.768819]  ? interrupt_entry+0xb5/0xc0
[  279.772879]  ? trace_hardirqs_off_caller+0xbb/0x310
[  279.777887]  ? trace_hardirqs_off_caller+0xbb/0x310
[  279.782915]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.787753]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.792772]  ? trace_hardirqs_on_caller+0x310/0x310
[  279.797795]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  279.802644]  apic_timer_interrupt+0xf/0x20
[  279.806865]  </IRQ>
[  279.809102] RIP: 0010:write_comp_data+0xd/0x70
[  279.813685] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  279.832582] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  279.840282] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  279.847542] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  279.854804] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  279.862068] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  279.869333] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  279.876614]  ? list_lru_count_one+0x36d/0x450
[  279.881132]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  279.886503]  list_lru_count_one+0x36d/0x450
[  279.890824]  ? list_lru_isolate_move+0x3c0/0x3c0
[  279.895573]  ? shmem_free_inode+0xd0/0xd0
[  279.899719]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  279.905257]  ? ubifs_shrink_count+0xc4/0x100
[  279.909683]  super_cache_count+0x1b9/0x2e0
[  279.913921]  do_shrink_slab+0x1b1/0xd30
[  279.917900]  ? lock_acquire+0x1ed/0x520
[  279.921893]  ? snapshot_refaults+0x290/0x290
[  279.926296]  ? lock_release+0xa00/0xa00
[  279.930272]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  279.935213]  ? down_read_trylock+0xda/0x140
[  279.939533]  ? shrink_slab+0x207/0x8c0
[  279.943417]  ? downgrade_write+0x270/0x270
[  279.947657]  shrink_slab+0x389/0x8c0
[  279.951364]  ? shrink_active_list+0x1f00/0x1f00
[  279.956034]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  279.961654]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  279.966763]  ? cgroup_procs_write_finish+0xf0/0xf0
[  279.971692]  ? find_held_lock+0x36/0x1c0
[  279.975758]  shrink_node+0x431/0x16b0
[  279.979553]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  279.984848]  ? shrink_node_memcg+0x18f0/0x18f0
[  279.989437]  ? kvm_clock_read+0x18/0x30
[  279.993410]  ? ktime_get+0x2c1/0x400
[  279.997122]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  280.001613]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  280.007147]  ? __cpuset_node_allowed+0x19b/0x660
[  280.011899]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  280.017605]  ? delayacct_end+0x5a/0x100
[  280.021587]  do_try_to_free_pages+0x3e7/0x1290
[  280.026166]  ? zap_class+0x640/0x640
[  280.029889]  ? shrink_node+0x16b0/0x16b0
[  280.033944]  ? __lock_is_held+0xb5/0x140
[  280.038010]  try_to_free_pages+0x4d0/0xb90
[  280.042243]  ? do_try_to_free_pages+0x1290/0x1290
[  280.047089]  ? lock_acquire+0x1ed/0x520
[  280.051061]  ? set_page_refcounted+0x280/0x280
[  280.055646]  ? lock_release+0xa00/0xa00
[  280.059614]  ? _raw_spin_unlock_irq+0x60/0x80
[  280.064106]  ? psi_memstall_enter+0x240/0x2b0
[  280.068595]  ? psi_memstall_tick+0x230/0x230
[  280.073021]  __alloc_pages_slowpath+0xa14/0x2e10
[  280.077797]  ? warn_alloc+0x120/0x120
[  280.081591]  ? mark_held_locks+0x130/0x130
[  280.085825]  ? find_get_entry+0xaae/0x1120
[  280.090064]  ? filemap_map_pages+0x1a20/0x1a20
[  280.094644]  ? zap_class+0x640/0x640
[  280.098357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.103890]  ? check_preemption_disabled+0x48/0x280
[  280.108902]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.114436]  ? should_fail+0x22d/0xd01
[  280.118322]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.123419]  ? zap_class+0x640/0x640
[  280.127148]  ? __lock_is_held+0xb5/0x140
[  280.131208]  ? mark_held_locks+0x130/0x130
[  280.135440]  ? lock_release+0xa00/0xa00
[  280.139413]  ? perf_trace_sched_process_exec+0x860/0x860
[  280.144862]  ? xa_load+0x2ba/0x460
[  280.148398]  ? lock_downgrade+0x900/0x900
[  280.152545]  ? __might_sleep+0x95/0x190
[  280.156518]  __alloc_pages_nodemask+0xa80/0xde0
[  280.161188]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  280.166197]  ? __page_cache_alloc+0x191/0x5c0
[  280.170694]  ? xa_load+0x2e1/0x460
[  280.174228]  ? xa_clear_mark+0x40/0x40
[  280.178111]  ? zap_class+0x640/0x640
[  280.181823]  ? zap_class+0x640/0x640
[  280.185533]  ? zap_class+0x640/0x640
[  280.189248]  ? __do_page_cache_readahead+0x663/0x810
[  280.194349]  ? find_held_lock+0x36/0x1c0
[  280.198410]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  280.203948]  alloc_pages_current+0x173/0x350
[  280.208358]  __page_cache_alloc+0x38c/0x5c0
[  280.212844]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.217769]  ? kasan_check_read+0x11/0x20
[  280.221909]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.227181]  ? generic_perform_write+0x6a0/0x6a0
[  280.231932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.237472]  ? check_preemption_disabled+0x48/0x280
[  280.242495]  filemap_fault+0x1595/0x25f0
[  280.246562]  ? __lock_page_or_retry+0xa00/0xa00
[  280.251227]  ? mark_held_locks+0x130/0x130
[  280.255474]  ? filemap_map_pages+0xd6b/0x1a20
[  280.259965]  ? lock_downgrade+0x900/0x900
[  280.264109]  ? check_preemption_disabled+0x48/0x280
[  280.269128]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.274050]  ? kasan_check_read+0x11/0x20
[  280.278196]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.283475]  ? rcu_softirq_qs+0x20/0x20
[  280.287479]  ? filemap_map_pages+0xd92/0x1a20
[  280.291989]  ? find_get_entries_tag+0x1400/0x1400
[  280.296835]  ? debug_object_destroy+0x2b0/0x2b0
[  280.301502]  ? lock_pi_update_atomic+0x150/0x150
[  280.306252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  280.311798]  ? lock_acquire+0x1ed/0x520
[  280.315770]  ? ext4_filemap_fault+0x7a/0xad
[  280.320090]  ? lock_release+0xa00/0xa00
[  280.324061]  ? perf_trace_sched_process_exec+0x860/0x860
[  280.329509]  ? print_usage_bug+0xc0/0xc0
[  280.333569]  ? print_usage_bug+0xc0/0xc0
[  280.337638]  ? down_read+0x8d/0x120
[  280.341257]  ? ext4_filemap_fault+0x7a/0xad
[  280.345576]  ? __down_interruptible+0x700/0x700
[  280.350246]  ext4_filemap_fault+0x82/0xad
[  280.354390]  __do_fault+0x100/0x6b0
[  280.358020]  ? pmd_devmap_trans_unstable+0x220/0x220
[  280.363123]  ? mark_held_locks+0x130/0x130
[  280.367354]  ? mark_held_locks+0x130/0x130
[  280.371585]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.376855]  ? rcu_softirq_qs+0x20/0x20
[  280.380830]  ? kasan_check_write+0x14/0x20
[  280.385061]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.390600]  __handle_mm_fault+0x3ea0/0x5be0
[  280.395098]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  280.399938]  ? aa_path_link+0x5e0/0x5e0
[  280.403911]  ? ksys_dup3+0x680/0x680
[  280.407650]  ? zap_class+0x640/0x640
[  280.411362]  ? zap_class+0x640/0x640
[  280.415068]  ? __x64_sys_futex+0x53e/0x6a0
[  280.419301]  ? find_held_lock+0x36/0x1c0
[  280.423365]  ? handle_mm_fault+0x42a/0xc70
[  280.427596]  ? lock_downgrade+0x900/0x900
[  280.431757]  ? check_preemption_disabled+0x48/0x280
[  280.436781]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  280.441714]  ? kasan_check_read+0x11/0x20
[  280.445856]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.451127]  ? rcu_softirq_qs+0x20/0x20
[  280.455098]  ? trace_hardirqs_off_caller+0x310/0x310
[  280.460200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.465739]  ? check_preemption_disabled+0x48/0x280
[  280.470758]  handle_mm_fault+0x54f/0xc70
[  280.474904]  ? __handle_mm_fault+0x5be0/0x5be0
[  280.479487]  ? find_vma+0x34/0x190
[  280.483029]  __do_page_fault+0x5e8/0xe60
[  280.487090]  ? trace_hardirqs_off+0xb8/0x310
[  280.491506]  do_page_fault+0xf2/0x7e0
[  280.495301]  ? vmalloc_sync_all+0x30/0x30
[  280.499454]  ? error_entry+0x70/0xd0
[  280.503165]  ? trace_hardirqs_off_caller+0xbb/0x310
[  280.508188]  ? trace_hardirqs_on_caller+0xc0/0x310
[  280.513116]  ? syscall_return_slowpath+0x5e0/0x5e0
[  280.518040]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.522877]  ? trace_hardirqs_on_caller+0x310/0x310
[  280.527889]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  280.533342]  ? prepare_exit_to_usermode+0x291/0x3b0
[  280.538355]  ? page_fault+0x8/0x30
[  280.541891]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  280.546731]  ? page_fault+0x8/0x30
[  280.550268]  page_fault+0x1e/0x30
[  280.553718] RIP: 0033:0x40f9c0
[  280.556919] Code: Bad RIP value.
[  280.560274] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  280.565631] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  280.572895] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  280.580157] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  280.587431] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  280.594705] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  280.601986] warn_alloc_show_mem: 1 callbacks suppressed
[  280.601995] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  280.601997] Mem-Info:
[  280.602027] active_anon:51741 inactive_anon:192 isolated_anon:0
[  280.602027]  active_file:28 inactive_file:10 isolated_file:0
[  280.602027]  unevictable:0 dirty:0 writeback:0 unstable:0
[  280.602027]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  280.602027]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  280.602027]  free:13684 free_pcp:150 free_cma:0
[  280.607360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  280.607368] Call Trace:
[  280.614643] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  280.617032]  <IRQ>
[  280.650085] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  280.659441]  dump_stack+0x244/0x39d
[  280.661995] lowmem_reserve[]: 0 2818 6321 6321
[  280.689834]  ? dump_stack_print_info.cold.1+0x20/0x20
[  280.691954] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  280.718078]  warn_alloc.cold.116+0xb7/0x1bd
[  280.721671] lowmem_reserve[]: 0 0 3503 3503
[  280.726247]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  280.731408] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  280.759001]  ? lock_downgrade+0x900/0x900
[  280.763292] lowmem_reserve[]: 0 0 0 0
[  280.767611]  ? trace_hardirqs_off+0xb8/0x310
[  280.772424] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  280.801824]  ? trace_hardirqs_off+0xb8/0x310
[  280.805938] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  280.809742]  __alloc_pages_slowpath+0x26e8/0x2e10
[  280.814108] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  280.827651]  ? warn_alloc+0x120/0x120
[  280.832013] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  280.847260]  ? print_usage_bug+0xc0/0xc0
[  280.852068] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  280.852076] 281 total pagecache pages
[  280.867323]  ? warn_alloc+0x120/0x120
[  280.871104] 0 pages in swap cache
[  280.879921]  ? warn_alloc+0x120/0x120
[  280.883954] Swap cache stats: add 0, delete 0, find 0/0
[  280.892512]  ? print_usage_bug+0xc0/0xc0
[  280.896283] Free swap  = 0kB
[  280.900084]  ? kvm_clock_read+0x18/0x30
[  280.903503] Total swap = 0kB
[  280.907292]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  280.912625] 1965979 pages RAM
[  280.916677]  ? print_usage_bug+0xc0/0xc0
[  280.919672] 0 pages HighMem/MovableOnly
[  280.923632]  ? __lock_acquire+0x62f/0x4c20
[  280.926621] 342854 pages reserved
[  280.931626]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  280.934702] 0 pages cma reserved
[  280.938752]  ? should_fail+0x22d/0xd01
[  280.942775] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  280.946917]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  280.946934]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  280.950457] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  280.955889]  ? __lock_acquire+0x62f/0x4c20
[  280.959224] syz-fuzzer cpuset=/ mems_allowed=0
[  280.963108]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.003981]  ? __lock_acquire+0x62f/0x4c20
[  281.008209]  ? should_fail+0x22d/0xd01
[  281.012089]  ? rcu_irq_exit+0x1a2/0x390
[  281.016068]  ? mark_held_locks+0x130/0x130
[  281.020300]  ? mark_held_locks+0x130/0x130
[  281.024535]  ? mark_held_locks+0xc7/0x130
[  281.028678]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  281.033689]  ? zap_class+0x640/0x640
[  281.037434]  ? print_usage_bug+0xc0/0xc0
[  281.041497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.047034]  ? check_preemption_disabled+0x48/0x280
[  281.052052]  ? __lock_is_held+0xb5/0x140
[  281.056122]  __alloc_pages_nodemask+0xa80/0xde0
[  281.060788]  ? zap_class+0x640/0x640
[  281.064505]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  281.069529]  ? find_held_lock+0x36/0x1c0
[  281.073596]  ? ____cache_alloc_node+0x1c7/0x1e0
[  281.078258]  ? lock_downgrade+0x900/0x900
[  281.082416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.087954]  cache_grow_begin+0xa5/0x8c0
[  281.092010]  ? do_raw_spin_unlock+0xa7/0x330
[  281.096429]  fallback_alloc+0x204/0x2e0
[  281.100412]  ____cache_alloc_node+0x1c7/0x1e0
[  281.104908]  kmem_cache_alloc_node+0xe3/0x730
[  281.109408]  ? ipv6_get_ifaddr+0x42e/0x620
[  281.113652]  __alloc_skb+0x119/0x770
[  281.117360]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.122642]  ? netdev_alloc_frag+0x1f0/0x1f0
[  281.127045]  ? lock_downgrade+0x900/0x900
[  281.131196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.136813]  ? refcount_sub_and_test_checked+0x203/0x310
[  281.142261]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  281.147707]  ? addrconf_rs_timer+0x690/0x690
[  281.152124]  ndisc_alloc_skb+0x144/0x340
[  281.156186]  ndisc_send_rs+0x331/0x6e0
[  281.160077]  addrconf_rs_timer+0x314/0x690
[  281.164318]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.168556]  call_timer_fn+0x272/0x920
[  281.172437]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.176670]  ? process_timeout+0x40/0x40
[  281.180736]  ? __run_timers+0x7da/0xc70
[  281.184703]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.189191]  ? _raw_spin_unlock_irq+0x27/0x80
[  281.193683]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.197912]  ? lockdep_hardirqs_on+0x296/0x5b0
[  281.202501]  ? trace_hardirqs_on+0xbd/0x310
[  281.206818]  ? kasan_check_read+0x11/0x20
[  281.210962]  ? __run_timers+0x7da/0xc70
[  281.214936]  ? trace_hardirqs_off_caller+0x310/0x310
[  281.220038]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.224271]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  281.228499]  __run_timers+0x7e5/0xc70
[  281.232305]  ? timer_fixup_init+0x70/0x70
[  281.236452]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  281.241464]  ? zap_class+0x640/0x640
[  281.245179]  ? enqueue_hrtimer+0x1a5/0x560
[  281.249412]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  281.254601]  ? find_held_lock+0x36/0x1c0
[  281.258659]  ? zap_class+0x640/0x640
[  281.262369]  ? pvclock_read_flags+0x160/0x160
[  281.266867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.272405]  ? check_preemption_disabled+0x48/0x280
[  281.277423]  ? __lock_is_held+0xb5/0x140
[  281.281484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.287016]  ? check_preemption_disabled+0x48/0x280
[  281.292034]  run_timer_softirq+0x52/0xb0
[  281.296091]  ? rcu_read_lock_sched_held+0x14f/0x180
[  281.301105]  __do_softirq+0x308/0xb7e
[  281.304908]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  281.309401]  ? lock_downgrade+0x900/0x900
[  281.313548]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  281.318651]  ? pvclock_read_flags+0x160/0x160
[  281.323152]  ? lapic_next_event+0x5a/0x90
[  281.327298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.332835]  ? kvm_clock_read+0x18/0x30
[  281.336807]  ? kvm_sched_clock_read+0x9/0x20
[  281.341211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.346747]  ? check_preemption_disabled+0x48/0x280
[  281.351766]  irq_exit+0x17f/0x1c0
[  281.355213]  smp_apic_timer_interrupt+0x1cb/0x760
[  281.360053]  ? smp_reschedule_interrupt+0x109/0x650
[  281.365070]  ? smp_call_function_single_interrupt+0x650/0x650
[  281.370949]  ? interrupt_entry+0xb5/0xc0
[  281.375007]  ? trace_hardirqs_off_caller+0xbb/0x310
[  281.380015]  ? trace_hardirqs_off_caller+0xbb/0x310
[  281.385026]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.389868]  ? trace_hardirqs_on_caller+0x310/0x310
[  281.394877]  ? trace_hardirqs_on_caller+0x310/0x310
[  281.399886]  ? task_prio+0x50/0x50
[  281.403438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.408975]  ? check_preemption_disabled+0x48/0x280
[  281.413995]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.418837]  apic_timer_interrupt+0xf/0x20
[  281.423062]  </IRQ>
[  281.425298] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  281.430228] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  281.449127] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  281.456828] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  281.464093] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  281.471366] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  281.478627] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  281.485888] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  281.493187]  skb_clone+0x1bb/0x500
[  281.496725]  ? finish_task_switch+0x1b4/0x910
[  281.501220]  ? skb_split+0x11e0/0x11e0
[  281.505102]  ? preempt_notifier_register+0x200/0x200
[  281.510204]  ? __switch_to_asm+0x34/0x70
[  281.514257]  ? __switch_to_asm+0x34/0x70
[  281.518309]  ? __switch_to_asm+0x40/0x70
[  281.522367]  ? __switch_to_asm+0x34/0x70
[  281.526420]  ? __switch_to_asm+0x40/0x70
[  281.530472]  ? __switch_to_asm+0x34/0x70
[  281.534528]  ? __switch_to_asm+0x40/0x70
[  281.538584]  ? __switch_to_asm+0x34/0x70
[  281.542640]  ? __switch_to_asm+0x34/0x70
[  281.546706]  ? __switch_to_asm+0x40/0x70
[  281.550757]  ? __switch_to_asm+0x34/0x70
[  281.554819]  bpf_clone_redirect+0xb9/0x490
[  281.559052]  ? __schedule+0x8d7/0x21d0
[  281.562938]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  281.567958]  ? __sched_text_start+0x8/0x8
[  281.572109]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  281.576685]  ? retint_kernel+0x2d/0x2d
[  281.580575]  ? trace_hardirqs_on_caller+0xc0/0x310
[  281.585504]  ? find_held_lock+0x36/0x1c0
[  281.589565]  ? lock_acquire+0x1ed/0x520
[  281.593537]  ? bpf_test_run+0x3cb/0x780
[  281.597507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.603040]  ? check_preemption_disabled+0x48/0x280
[  281.608059]  ? kasan_check_read+0x11/0x20
[  281.612204]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.617476]  ? rcu_softirq_qs+0x20/0x20
[  281.621449]  ? preempt_schedule+0x4d/0x60
[  281.625591]  ? ___preempt_schedule+0x16/0x18
[  281.630318]  ? bpf_test_run+0x25d/0x780
[  281.634309]  ? netlink_diag_dump+0x2a0/0x2a0
[  281.638727]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.644257]  ? bpf_test_init.isra.10+0x70/0x100
[  281.648925]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  281.653686]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  281.658523]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  281.664055]  ? fput+0x130/0x1a0
[  281.667330]  ? __bpf_prog_get+0x9b/0x290
[  281.671395]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  281.676231]  ? bpf_prog_test_run+0x130/0x1a0
[  281.680643]  ? __x64_sys_bpf+0x3d8/0x520
[  281.684700]  ? bpf_prog_get+0x20/0x20
[  281.688516]  ? do_syscall_64+0x1b9/0x820
[  281.692577]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  281.697940]  ? syscall_return_slowpath+0x5e0/0x5e0
[  281.702892]  ? trace_hardirqs_on_caller+0x310/0x310
[  281.707906]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  281.712925]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  281.719592]  ? __switch_to_asm+0x40/0x70
[  281.723648]  ? __switch_to_asm+0x34/0x70
[  281.727708]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  281.732551]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  281.737926] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  281.738004] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  281.744940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  281.744947] Call Trace:
[  281.751516] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  281.760928]  <IRQ>
[  281.763493] syz-executor2 cpuset=syz2 mems_allowed=0
[  281.774000]  dump_stack+0x244/0x39d
[  281.784801]  ? dump_stack_print_info.cold.1+0x20/0x20
[  281.790002]  warn_alloc.cold.116+0xb7/0x1bd
[  281.794335]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  281.799179]  ? lock_downgrade+0x900/0x900
[  281.803336]  ? trace_hardirqs_off+0xb8/0x310
[  281.807746]  ? trace_hardirqs_off+0xb8/0x310
[  281.812160]  __alloc_pages_slowpath+0x26e8/0x2e10
[  281.817020]  ? warn_alloc+0x120/0x120
[  281.820815]  ? print_usage_bug+0xc0/0xc0
[  281.824872]  ? warn_alloc+0x120/0x120
[  281.828674]  ? warn_alloc+0x120/0x120
[  281.832469]  ? print_usage_bug+0xc0/0xc0
[  281.836525]  ? kvm_clock_read+0x18/0x30
[  281.840495]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  281.845506]  ? print_usage_bug+0xc0/0xc0
[  281.849564]  ? __lock_acquire+0x62f/0x4c20
[  281.853929]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  281.859464]  ? should_fail+0x22d/0xd01
[  281.863347]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  281.868625]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.873731]  ? __lock_acquire+0x62f/0x4c20
[  281.877974]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  281.883068]  ? __lock_acquire+0x62f/0x4c20
[  281.887295]  ? should_fail+0x22d/0xd01
[  281.891180]  ? rcu_irq_exit+0x1a2/0x390
[  281.895157]  ? mark_held_locks+0x130/0x130
[  281.899391]  ? mark_held_locks+0x130/0x130
[  281.903626]  ? mark_held_locks+0xc7/0x130
[  281.907776]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  281.912785]  ? zap_class+0x640/0x640
[  281.916491]  ? print_usage_bug+0xc0/0xc0
[  281.920551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.926110]  ? check_preemption_disabled+0x48/0x280
[  281.931150]  ? __lock_is_held+0xb5/0x140
[  281.935214]  __alloc_pages_nodemask+0xa80/0xde0
[  281.939878]  ? zap_class+0x640/0x640
[  281.943596]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  281.948616]  ? find_held_lock+0x36/0x1c0
[  281.952679]  ? ____cache_alloc_node+0x1c7/0x1e0
[  281.957345]  ? lock_downgrade+0x900/0x900
[  281.961493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  281.967044]  cache_grow_begin+0xa5/0x8c0
[  281.971105]  ? do_raw_spin_unlock+0xa7/0x330
[  281.975513]  fallback_alloc+0x204/0x2e0
[  281.979518]  ____cache_alloc_node+0x1c7/0x1e0
[  281.984014]  kmem_cache_alloc_node+0xe3/0x730
[  281.988508]  ? ipv6_get_ifaddr+0x42e/0x620
[  281.992747]  __alloc_skb+0x119/0x770
[  281.996467]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.001744]  ? netdev_alloc_frag+0x1f0/0x1f0
[  282.006145]  ? lock_downgrade+0x900/0x900
[  282.010292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.015832]  ? refcount_sub_and_test_checked+0x203/0x310
[  282.021280]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  282.026735]  ? addrconf_rs_timer+0x690/0x690
[  282.031151]  ndisc_alloc_skb+0x144/0x340
[  282.035213]  ndisc_send_rs+0x331/0x6e0
[  282.039101]  addrconf_rs_timer+0x314/0x690
[  282.043342]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.047584]  call_timer_fn+0x272/0x920
[  282.051465]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.055695]  ? process_timeout+0x40/0x40
[  282.059762]  ? mark_held_locks+0xc7/0x130
[  282.063907]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.068394]  ? _raw_spin_unlock_irq+0x27/0x80
[  282.072882]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.077112]  ? lockdep_hardirqs_on+0x296/0x5b0
[  282.081689]  ? trace_hardirqs_on+0xbd/0x310
[  282.086005]  ? kasan_check_read+0x11/0x20
[  282.090146]  ? __run_timers+0x7da/0xc70
[  282.094116]  ? trace_hardirqs_off_caller+0x310/0x310
[  282.099216]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.103452]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  282.107681]  __run_timers+0x7e5/0xc70
[  282.111486]  ? timer_fixup_init+0x70/0x70
[  282.115638]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  282.120649]  ? zap_class+0x640/0x640
[  282.124366]  ? print_usage_bug+0xc0/0xc0
[  282.128423]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  282.133616]  ? find_held_lock+0x36/0x1c0
[  282.137686]  ? zap_class+0x640/0x640
[  282.141403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.146934]  ? check_preemption_disabled+0x48/0x280
[  282.151953]  ? __lock_is_held+0xb5/0x140
[  282.156012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.161554]  ? check_preemption_disabled+0x48/0x280
[  282.166570]  run_timer_softirq+0x52/0xb0
[  282.170629]  ? rcu_read_lock_sched_held+0x14f/0x180
[  282.175639]  __do_softirq+0x308/0xb7e
[  282.179439]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  282.183926]  ? lock_downgrade+0x900/0x900
[  282.188086]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  282.193190]  ? pvclock_read_flags+0x160/0x160
[  282.197680]  ? lapic_next_event+0x5a/0x90
[  282.201825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.207364]  ? kvm_clock_read+0x18/0x30
[  282.211336]  ? kvm_sched_clock_read+0x9/0x20
[  282.215743]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.221279]  ? check_preemption_disabled+0x48/0x280
[  282.226322]  irq_exit+0x17f/0x1c0
[  282.229775]  smp_apic_timer_interrupt+0x1cb/0x760
[  282.234638]  ? smp_call_function_single_interrupt+0x159/0x650
[  282.240521]  ? smp_call_function_single_interrupt+0x650/0x650
[  282.246407]  ? interrupt_entry+0xb5/0xc0
[  282.250485]  ? trace_hardirqs_off_caller+0xbb/0x310
[  282.255495]  ? trace_hardirqs_off_caller+0xbb/0x310
[  282.260510]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.265354]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.270364]  ? trace_hardirqs_on_caller+0x310/0x310
[  282.275384]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  282.280227]  apic_timer_interrupt+0xf/0x20
[  282.284450]  </IRQ>
[  282.286684] RIP: 0010:write_comp_data+0xd/0x70
[  282.291263] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  282.310163] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  282.317876] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  282.325140] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  282.332405] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  282.339670] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  282.346931] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  282.354209]  ? list_lru_count_one+0x36d/0x450
[  282.358710]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  282.364067]  list_lru_count_one+0x36d/0x450
[  282.368386]  ? list_lru_isolate_move+0x3c0/0x3c0
[  282.373134]  ? shmem_free_inode+0xd0/0xd0
[  282.377287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.382821]  ? ubifs_shrink_count+0xc4/0x100
[  282.387241]  super_cache_count+0x1b9/0x2e0
[  282.391481]  do_shrink_slab+0x1b1/0xd30
[  282.395459]  ? lock_acquire+0x1ed/0x520
[  282.399435]  ? snapshot_refaults+0x290/0x290
[  282.403839]  ? lock_release+0xa00/0xa00
[  282.407812]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  282.412748]  ? down_read_trylock+0xda/0x140
[  282.417064]  ? shrink_slab+0x207/0x8c0
[  282.420948]  ? downgrade_write+0x270/0x270
[  282.425196]  shrink_slab+0x389/0x8c0
[  282.428903]  ? shrink_active_list+0x1f00/0x1f00
[  282.433577]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  282.439197]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  282.444304]  ? cgroup_procs_write_finish+0xf0/0xf0
[  282.449236]  ? find_held_lock+0x36/0x1c0
[  282.453306]  shrink_node+0x431/0x16b0
[  282.457101]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  282.462397]  ? shrink_node_memcg+0x18f0/0x18f0
[  282.466984]  ? kvm_clock_read+0x18/0x30
[  282.470956]  ? ktime_get+0x2c1/0x400
[  282.474667]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  282.479159]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  282.484690]  ? __cpuset_node_allowed+0x19b/0x660
[  282.489442]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  282.495148]  ? delayacct_end+0x5a/0x100
[  282.499143]  do_try_to_free_pages+0x3e7/0x1290
[  282.503718]  ? zap_class+0x640/0x640
[  282.507440]  ? shrink_node+0x16b0/0x16b0
[  282.511498]  ? __lock_is_held+0xb5/0x140
[  282.515587]  try_to_free_pages+0x4d0/0xb90
[  282.519823]  ? do_try_to_free_pages+0x1290/0x1290
[  282.524672]  ? lock_acquire+0x1ed/0x520
[  282.528641]  ? set_page_refcounted+0x280/0x280
[  282.533224]  ? lock_release+0xa00/0xa00
[  282.537292]  ? _raw_spin_unlock_irq+0x60/0x80
[  282.541779]  ? psi_memstall_enter+0x240/0x2b0
[  282.546275]  ? psi_memstall_tick+0x230/0x230
[  282.550687]  __alloc_pages_slowpath+0xa14/0x2e10
[  282.555460]  ? warn_alloc+0x120/0x120
[  282.559260]  ? mark_held_locks+0x130/0x130
[  282.563498]  ? find_get_entry+0xaae/0x1120
[  282.567736]  ? filemap_map_pages+0x1a20/0x1a20
[  282.572319]  ? zap_class+0x640/0x640
[  282.576044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.581576]  ? check_preemption_disabled+0x48/0x280
[  282.586587]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.592119]  ? should_fail+0x22d/0xd01
[  282.596007]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  282.601109]  ? zap_class+0x640/0x640
[  282.604836]  ? __lock_is_held+0xb5/0x140
[  282.608900]  ? mark_held_locks+0x130/0x130
[  282.613133]  ? lock_release+0xa00/0xa00
[  282.617103]  ? perf_trace_sched_process_exec+0x860/0x860
[  282.622547]  ? xa_load+0x2ba/0x460
[  282.626290]  ? lock_downgrade+0x900/0x900
[  282.630435]  ? __might_sleep+0x95/0x190
[  282.634408]  __alloc_pages_nodemask+0xa80/0xde0
[  282.639081]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  282.644096]  ? __page_cache_alloc+0x191/0x5c0
[  282.648586]  ? xa_load+0x2e1/0x460
[  282.652122]  ? xa_clear_mark+0x40/0x40
[  282.656006]  ? zap_class+0x640/0x640
[  282.659723]  ? zap_class+0x640/0x640
[  282.663434]  ? zap_class+0x640/0x640
[  282.667141]  ? __do_page_cache_readahead+0x663/0x810
[  282.672328]  ? find_held_lock+0x36/0x1c0
[  282.676389]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  282.681931]  alloc_pages_current+0x173/0x350
[  282.686343]  __page_cache_alloc+0x38c/0x5c0
[  282.690657]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  282.695579]  ? kasan_check_read+0x11/0x20
[  282.699724]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.704997]  ? generic_perform_write+0x6a0/0x6a0
[  282.709751]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.715286]  ? check_preemption_disabled+0x48/0x280
[  282.720304]  filemap_fault+0x1595/0x25f0
[  282.724378]  ? __lock_page_or_retry+0xa00/0xa00
[  282.729042]  ? mark_held_locks+0x130/0x130
[  282.733279]  ? filemap_map_pages+0xd6b/0x1a20
[  282.737773]  ? lock_downgrade+0x900/0x900
[  282.741917]  ? check_preemption_disabled+0x48/0x280
[  282.746931]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  282.751858]  ? kasan_check_read+0x11/0x20
[  282.755997]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.761277]  ? rcu_softirq_qs+0x20/0x20
[  282.765262]  ? filemap_map_pages+0xd92/0x1a20
[  282.769765]  ? find_get_entries_tag+0x1400/0x1400
[  282.774605]  ? debug_object_destroy+0x2b0/0x2b0
[  282.779275]  ? lock_pi_update_atomic+0x150/0x150
[  282.784028]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  282.789572]  ? lock_acquire+0x1ed/0x520
[  282.793907]  ? ext4_filemap_fault+0x7a/0xad
[  282.798228]  ? lock_release+0xa00/0xa00
[  282.802205]  ? perf_trace_sched_process_exec+0x860/0x860
[  282.807661]  ? print_usage_bug+0xc0/0xc0
[  282.811717]  ? print_usage_bug+0xc0/0xc0
[  282.815957]  ? down_read+0x8d/0x120
[  282.819582]  ? ext4_filemap_fault+0x7a/0xad
[  282.823903]  ? __down_interruptible+0x700/0x700
[  282.828576]  ext4_filemap_fault+0x82/0xad
[  282.832722]  __do_fault+0x100/0x6b0
[  282.836359]  ? pmd_devmap_trans_unstable+0x220/0x220
[  282.841458]  ? mark_held_locks+0x130/0x130
[  282.845694]  ? mark_held_locks+0x130/0x130
[  282.849922]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.855193]  ? rcu_softirq_qs+0x20/0x20
[  282.859165]  ? kasan_check_write+0x14/0x20
[  282.863400]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.868949]  __handle_mm_fault+0x3ea0/0x5be0
[  282.873372]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  282.878214]  ? aa_path_link+0x5e0/0x5e0
[  282.882197]  ? ksys_dup3+0x680/0x680
[  282.885922]  ? zap_class+0x640/0x640
[  282.889628]  ? zap_class+0x640/0x640
[  282.893335]  ? __x64_sys_futex+0x53e/0x6a0
[  282.897570]  ? find_held_lock+0x36/0x1c0
[  282.901646]  ? handle_mm_fault+0x42a/0xc70
[  282.905877]  ? lock_downgrade+0x900/0x900
[  282.910021]  ? check_preemption_disabled+0x48/0x280
[  282.915038]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  282.919967]  ? kasan_check_read+0x11/0x20
[  282.924109]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  282.929393]  ? rcu_softirq_qs+0x20/0x20
[  282.933365]  ? trace_hardirqs_off_caller+0x310/0x310
[  282.938465]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  282.944274]  ? check_preemption_disabled+0x48/0x280
[  282.949294]  handle_mm_fault+0x54f/0xc70
[  282.953353]  ? __handle_mm_fault+0x5be0/0x5be0
[  282.957932]  ? find_vma+0x34/0x190
[  282.961482]  __do_page_fault+0x5e8/0xe60
[  282.965539]  ? trace_hardirqs_off+0xb8/0x310
[  282.969958]  do_page_fault+0xf2/0x7e0
[  282.973757]  ? vmalloc_sync_all+0x30/0x30
[  282.977900]  ? error_entry+0x70/0xd0
[  282.981630]  ? trace_hardirqs_off_caller+0xbb/0x310
[  282.986642]  ? trace_hardirqs_on_caller+0xc0/0x310
[  282.991567]  ? syscall_return_slowpath+0x5e0/0x5e0
[  282.996493]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.001330]  ? trace_hardirqs_on_caller+0x310/0x310
[  283.006355]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  283.011817]  ? prepare_exit_to_usermode+0x291/0x3b0
[  283.016829]  ? page_fault+0x8/0x30
[  283.020364]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.025206]  ? page_fault+0x8/0x30
[  283.028749]  page_fault+0x1e/0x30
[  283.032203] RIP: 0033:0x40f9c0
[  283.035419] Code: Bad RIP value.
[  283.038775] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  283.044132] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  283.051395] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  283.058655] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  283.065914] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  283.073178] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  283.080468] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  283.080473] warn_alloc_show_mem: 1 callbacks suppressed
[  283.080479] Mem-Info:
[  283.087748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  283.093111] active_anon:51741 inactive_anon:192 isolated_anon:0
[  283.093111]  active_file:28 inactive_file:10 isolated_file:0
[  283.093111]  unevictable:0 dirty:0 writeback:0 unstable:0
[  283.093111]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  283.093111]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  283.093111]  free:13684 free_pcp:150 free_cma:0
[  283.095480] Call Trace:
[  283.104849] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  283.137689]  <IRQ>
[  283.140249] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  283.167831]  dump_stack+0x244/0x39d
[  283.169948] lowmem_reserve[]: 0 2818 6321 6321
[  283.196051]  ? dump_stack_print_info.cold.1+0x20/0x20
[  283.199644] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  283.204232]  warn_alloc.cold.116+0xb7/0x1bd
[  283.209384] lowmem_reserve[]: 0 0 3503 3503
[  283.237042]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  283.241336] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  283.245650]  ? lock_downgrade+0x900/0x900
[  283.250462] lowmem_reserve[]: 0 0 0 0
[  283.279344]  ? trace_hardirqs_off+0xb8/0x310
[  283.283458] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  283.287259]  ? trace_hardirqs_off+0xb8/0x310
[  283.291635] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  283.305160]  __alloc_pages_slowpath+0x26e8/0x2e10
[  283.309538] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  283.324809]  ? warn_alloc+0x120/0x120
[  283.329609] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  283.344850]  ? print_usage_bug+0xc0/0xc0
[  283.348627] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  283.357458]  ? warn_alloc+0x120/0x120
[  283.361492] 281 total pagecache pages
[  283.370056]  ? warn_alloc+0x120/0x120
[  283.373837] 0 pages in swap cache
[  283.377620]  ? print_usage_bug+0xc0/0xc0
[  283.381393] Swap cache stats: add 0, delete 0, find 0/0
[  283.384829]  ? kvm_clock_read+0x18/0x30
[  283.388858] Free swap  = 0kB
[  283.394211]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  283.398152] Total swap = 0kB
[  283.401157]  ? print_usage_bug+0xc0/0xc0
[  283.406142] 1965979 pages RAM
[  283.409149]  ? __lock_acquire+0x62f/0x4c20
[  283.413183] 0 pages HighMem/MovableOnly
[  283.413190] 342854 pages reserved
[  283.416283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  283.420484] 0 pages cma reserved
[  283.424449]  ? should_fail+0x22d/0xd01
[  283.427943] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  283.433386]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.433404]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.436836] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  283.440619]  ? __lock_acquire+0x62f/0x4c20
[  283.447081] syz-fuzzer cpuset=/ mems_allowed=0
[  283.452347]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  283.481509]  ? __lock_acquire+0x62f/0x4c20
[  283.485740]  ? should_fail+0x22d/0xd01
[  283.489622]  ? rcu_irq_exit+0x1a2/0x390
[  283.493603]  ? mark_held_locks+0x130/0x130
[  283.497840]  ? mark_held_locks+0x130/0x130
[  283.502075]  ? mark_held_locks+0xc7/0x130
[  283.506220]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  283.511231]  ? zap_class+0x640/0x640
[  283.514942]  ? print_usage_bug+0xc0/0xc0
[  283.519003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.524536]  ? check_preemption_disabled+0x48/0x280
[  283.529557]  ? __lock_is_held+0xb5/0x140
[  283.533622]  __alloc_pages_nodemask+0xa80/0xde0
[  283.538284]  ? zap_class+0x640/0x640
[  283.541996]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  283.547018]  ? find_held_lock+0x36/0x1c0
[  283.551082]  ? ____cache_alloc_node+0x1c7/0x1e0
[  283.555747]  ? lock_downgrade+0x900/0x900
[  283.559897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.565437]  cache_grow_begin+0xa5/0x8c0
[  283.569515]  ? do_raw_spin_unlock+0xa7/0x330
[  283.573930]  fallback_alloc+0x204/0x2e0
[  283.577904]  ____cache_alloc_node+0x1c7/0x1e0
[  283.582406]  kmem_cache_alloc_node+0xe3/0x730
[  283.586896]  ? ipv6_get_ifaddr+0x42e/0x620
[  283.591140]  __alloc_skb+0x119/0x770
[  283.594857]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  283.600130]  ? netdev_alloc_frag+0x1f0/0x1f0
[  283.604544]  ? lock_downgrade+0x900/0x900
[  283.608694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.614240]  ? refcount_sub_and_test_checked+0x203/0x310
[  283.619689]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  283.625133]  ? addrconf_rs_timer+0x690/0x690
[  283.629870]  ndisc_alloc_skb+0x144/0x340
[  283.633937]  ndisc_send_rs+0x331/0x6e0
[  283.637826]  addrconf_rs_timer+0x314/0x690
[  283.642061]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.646301]  call_timer_fn+0x272/0x920
[  283.650190]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.654420]  ? process_timeout+0x40/0x40
[  283.658482]  ? __run_timers+0x7da/0xc70
[  283.662455]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.666941]  ? _raw_spin_unlock_irq+0x27/0x80
[  283.671435]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.675670]  ? lockdep_hardirqs_on+0x296/0x5b0
[  283.680250]  ? trace_hardirqs_on+0xbd/0x310
[  283.684570]  ? kasan_check_read+0x11/0x20
[  283.688710]  ? __run_timers+0x7da/0xc70
[  283.692682]  ? trace_hardirqs_off_caller+0x310/0x310
[  283.697781]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.702019]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  283.706254]  __run_timers+0x7e5/0xc70
[  283.710058]  ? timer_fixup_init+0x70/0x70
[  283.714208]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  283.719224]  ? zap_class+0x640/0x640
[  283.722939]  ? enqueue_hrtimer+0x1a5/0x560
[  283.727180]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  283.732373]  ? find_held_lock+0x36/0x1c0
[  283.736433]  ? zap_class+0x640/0x640
[  283.740162]  ? pvclock_read_flags+0x160/0x160
[  283.744658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.750191]  ? check_preemption_disabled+0x48/0x280
[  283.755214]  ? __lock_is_held+0xb5/0x140
[  283.759270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.764802]  ? check_preemption_disabled+0x48/0x280
[  283.769821]  run_timer_softirq+0x52/0xb0
[  283.773881]  ? rcu_read_lock_sched_held+0x14f/0x180
[  283.778895]  __do_softirq+0x308/0xb7e
[  283.782701]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  283.787193]  ? lock_downgrade+0x900/0x900
[  283.791338]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  283.796442]  ? pvclock_read_flags+0x160/0x160
[  283.800932]  ? lapic_next_event+0x5a/0x90
[  283.805077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.810613]  ? kvm_clock_read+0x18/0x30
[  283.814582]  ? kvm_sched_clock_read+0x9/0x20
[  283.818988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.824520]  ? check_preemption_disabled+0x48/0x280
[  283.829539]  irq_exit+0x17f/0x1c0
[  283.832988]  smp_apic_timer_interrupt+0x1cb/0x760
[  283.837827]  ? smp_reschedule_interrupt+0x109/0x650
[  283.842836]  ? smp_call_function_single_interrupt+0x650/0x650
[  283.848713]  ? interrupt_entry+0xb5/0xc0
[  283.852771]  ? trace_hardirqs_off_caller+0xbb/0x310
[  283.857784]  ? trace_hardirqs_off_caller+0xbb/0x310
[  283.862795]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.867631]  ? trace_hardirqs_on_caller+0x310/0x310
[  283.872644]  ? trace_hardirqs_on_caller+0x310/0x310
[  283.877653]  ? task_prio+0x50/0x50
[  283.881188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  283.886720]  ? check_preemption_disabled+0x48/0x280
[  283.891737]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  283.896582]  apic_timer_interrupt+0xf/0x20
[  283.900810]  </IRQ>
[  283.903048] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  283.907975] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  283.926870] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  283.934577] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  283.941838] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  283.949101] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  283.956369] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  283.963634] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  283.970936]  skb_clone+0x1bb/0x500
[  283.974471]  ? finish_task_switch+0x1b4/0x910
[  283.978961]  ? skb_split+0x11e0/0x11e0
[  283.982845]  ? preempt_notifier_register+0x200/0x200
[  283.988052]  ? __switch_to_asm+0x34/0x70
[  283.992106]  ? __switch_to_asm+0x34/0x70
[  283.996164]  ? __switch_to_asm+0x40/0x70
[  284.000216]  ? __switch_to_asm+0x34/0x70
[  284.004268]  ? __switch_to_asm+0x40/0x70
[  284.008320]  ? __switch_to_asm+0x34/0x70
[  284.012371]  ? __switch_to_asm+0x40/0x70
[  284.016423]  ? __switch_to_asm+0x34/0x70
[  284.020478]  ? __switch_to_asm+0x34/0x70
[  284.024530]  ? __switch_to_asm+0x40/0x70
[  284.028584]  ? __switch_to_asm+0x34/0x70
[  284.032648]  bpf_clone_redirect+0xb9/0x490
[  284.036883]  ? __schedule+0x8d7/0x21d0
[  284.040772]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  284.045788]  ? __sched_text_start+0x8/0x8
[  284.049936]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  284.054512]  ? retint_kernel+0x2d/0x2d
[  284.058394]  ? trace_hardirqs_on_caller+0xc0/0x310
[  284.063321]  ? find_held_lock+0x36/0x1c0
[  284.067383]  ? lock_acquire+0x1ed/0x520
[  284.071357]  ? bpf_test_run+0x3cb/0x780
[  284.075349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.080885]  ? check_preemption_disabled+0x48/0x280
[  284.085905]  ? kasan_check_read+0x11/0x20
[  284.090051]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.095321]  ? rcu_softirq_qs+0x20/0x20
[  284.099289]  ? preempt_schedule+0x4d/0x60
[  284.103430]  ? ___preempt_schedule+0x16/0x18
[  284.107841]  ? bpf_test_run+0x25d/0x780
[  284.111824]  ? netlink_diag_dump+0x2a0/0x2a0
[  284.116228]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.121760]  ? bpf_test_init.isra.10+0x70/0x100
[  284.126427]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  284.131186]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  284.136021]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  284.141554]  ? fput+0x130/0x1a0
[  284.144832]  ? __bpf_prog_get+0x9b/0x290
[  284.148896]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  284.153732]  ? bpf_prog_test_run+0x130/0x1a0
[  284.158141]  ? __x64_sys_bpf+0x3d8/0x520
[  284.162194]  ? bpf_prog_get+0x20/0x20
[  284.166006]  ? do_syscall_64+0x1b9/0x820
[  284.170063]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  284.175421]  ? syscall_return_slowpath+0x5e0/0x5e0
[  284.180352]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.185367]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  284.190378]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  284.197038]  ? __switch_to_asm+0x40/0x70
[  284.201094]  ? __switch_to_asm+0x34/0x70
[  284.205208]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.210055]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  284.215429] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  284.215509] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  284.222441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  284.222446] Call Trace:
[  284.222452]  <IRQ>
[  284.222470]  dump_stack+0x244/0x39d
[  284.222489]  ? dump_stack_print_info.cold.1+0x20/0x20
[  284.229034] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  284.238307]  warn_alloc.cold.116+0xb7/0x1bd
[  284.240855] syz-executor2 cpuset=syz2 mems_allowed=0
[  284.242995]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  284.276462]  ? lock_downgrade+0x900/0x900
[  284.280619]  ? trace_hardirqs_off+0xb8/0x310
[  284.285029]  ? trace_hardirqs_off+0xb8/0x310
[  284.289440]  __alloc_pages_slowpath+0x26e8/0x2e10
[  284.294302]  ? warn_alloc+0x120/0x120
[  284.298111]  ? print_usage_bug+0xc0/0xc0
[  284.302168]  ? warn_alloc+0x120/0x120
[  284.305969]  ? warn_alloc+0x120/0x120
[  284.309775]  ? print_usage_bug+0xc0/0xc0
[  284.313854]  ? print_usage_bug+0xc0/0xc0
[  284.317912]  ? __lock_acquire+0x62f/0x4c20
[  284.322151]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.327683]  ? should_fail+0x22d/0xd01
[  284.331566]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.336672]  ? __lock_acquire+0x62f/0x4c20
[  284.340906]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  284.346006]  ? __lock_acquire+0x62f/0x4c20
[  284.350234]  ? should_fail+0x22d/0xd01
[  284.354128]  ? mark_held_locks+0x130/0x130
[  284.358364]  ? mark_held_locks+0x130/0x130
[  284.362591]  ? zap_class+0x640/0x640
[  284.366304]  ? zap_class+0x640/0x640
[  284.370011]  ? print_usage_bug+0xc0/0xc0
[  284.374069]  ? wq_watchdog_touch+0x9c/0xfe
[  284.378480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.384028]  ? check_preemption_disabled+0x48/0x280
[  284.389049]  ? __lock_is_held+0xb5/0x140
[  284.393117]  __alloc_pages_nodemask+0xa80/0xde0
[  284.397779]  ? zap_class+0x640/0x640
[  284.401493]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  284.406518]  ? find_held_lock+0x36/0x1c0
[  284.410585]  ? ____cache_alloc_node+0x1c7/0x1e0
[  284.415253]  ? lock_downgrade+0x900/0x900
[  284.419401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.424939]  cache_grow_begin+0xa5/0x8c0
[  284.429007]  ? do_raw_spin_unlock+0xa7/0x330
[  284.433419]  fallback_alloc+0x204/0x2e0
[  284.437392]  ____cache_alloc_node+0x1c7/0x1e0
[  284.441890]  kmem_cache_alloc_node+0xe3/0x730
[  284.446382]  ? ipv6_get_ifaddr+0x42e/0x620
[  284.450620]  __alloc_skb+0x119/0x770
[  284.454327]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  284.459609]  ? netdev_alloc_frag+0x1f0/0x1f0
[  284.464009]  ? lock_downgrade+0x900/0x900
[  284.468159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.473702]  ? refcount_sub_and_test_checked+0x203/0x310
[  284.479155]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  284.484604]  ? addrconf_rs_timer+0x690/0x690
[  284.489018]  ndisc_alloc_skb+0x144/0x340
[  284.493087]  ndisc_send_rs+0x331/0x6e0
[  284.496975]  addrconf_rs_timer+0x314/0x690
[  284.501238]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.505504]  call_timer_fn+0x272/0x920
[  284.509504]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.513737]  ? process_timeout+0x40/0x40
[  284.517802]  ? mark_held_locks+0xc7/0x130
[  284.521950]  ? _raw_spin_unlock_irq+0x27/0x80
[  284.526437]  ? _raw_spin_unlock_irq+0x27/0x80
[  284.530928]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.535157]  ? lockdep_hardirqs_on+0x296/0x5b0
[  284.539736]  ? trace_hardirqs_on+0xbd/0x310
[  284.544051]  ? kasan_check_read+0x11/0x20
[  284.548201]  ? __run_timers+0x7da/0xc70
[  284.552172]  ? trace_hardirqs_off_caller+0x310/0x310
[  284.557282]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  284.561514]  __run_timers+0x7e5/0xc70
[  284.565322]  ? timer_fixup_init+0x70/0x70
[  284.569471]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  284.574485]  ? zap_class+0x640/0x640
[  284.578212]  ? print_usage_bug+0xc0/0xc0
[  284.582276]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  284.587467]  ? find_held_lock+0x36/0x1c0
[  284.591529]  ? zap_class+0x640/0x640
[  284.595250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.600788]  ? check_preemption_disabled+0x48/0x280
[  284.605811]  ? __lock_is_held+0xb5/0x140
[  284.609867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.615402]  ? check_preemption_disabled+0x48/0x280
[  284.620415]  run_timer_softirq+0x52/0xb0
[  284.624475]  ? rcu_read_lock_sched_held+0x14f/0x180
[  284.629679]  __do_softirq+0x308/0xb7e
[  284.633477]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  284.637967]  ? lock_downgrade+0x900/0x900
[  284.642116]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  284.647222]  ? pvclock_read_flags+0x160/0x160
[  284.651715]  ? lapic_next_event+0x5a/0x90
[  284.655861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  284.661396]  ? kvm_clock_read+0x18/0x30
[  284.665366]  ? kvm_sched_clock_read+0x9/0x20
[  284.669770]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.675303]  ? check_preemption_disabled+0x48/0x280
[  284.680330]  irq_exit+0x17f/0x1c0
[  284.683781]  smp_apic_timer_interrupt+0x1cb/0x760
[  284.688619]  ? smp_call_function_single_interrupt+0x159/0x650
[  284.694497]  ? smp_call_function_single_interrupt+0x650/0x650
[  284.700372]  ? interrupt_entry+0xb5/0xc0
[  284.704428]  ? trace_hardirqs_off_caller+0xbb/0x310
[  284.709446]  ? trace_hardirqs_off_caller+0xbb/0x310
[  284.714457]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.719299]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.724319]  ? trace_hardirqs_on_caller+0x310/0x310
[  284.729342]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  284.734189]  apic_timer_interrupt+0xf/0x20
[  284.738409]  </IRQ>
[  284.740641] RIP: 0010:write_comp_data+0xd/0x70
[  284.745223] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  284.764141] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  284.771847] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  284.779114] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  284.786375] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  284.793991] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  284.801255] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  284.808545]  ? list_lru_count_one+0x36d/0x450
[  284.813056]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  284.818415]  list_lru_count_one+0x36d/0x450
[  284.822734]  ? list_lru_isolate_move+0x3c0/0x3c0
[  284.827482]  ? shmem_free_inode+0xd0/0xd0
[  284.831630]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  284.837162]  ? ubifs_shrink_count+0xc4/0x100
[  284.841574]  super_cache_count+0x1b9/0x2e0
[  284.845807]  do_shrink_slab+0x1b1/0xd30
[  284.849780]  ? lock_acquire+0x1ed/0x520
[  284.853754]  ? snapshot_refaults+0x290/0x290
[  284.858158]  ? lock_release+0xa00/0xa00
[  284.862151]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  284.867087]  ? down_read_trylock+0xda/0x140
[  284.871399]  ? shrink_slab+0x207/0x8c0
[  284.875279]  ? downgrade_write+0x270/0x270
[  284.879519]  shrink_slab+0x389/0x8c0
[  284.883405]  ? shrink_active_list+0x1f00/0x1f00
[  284.888095]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  284.893728]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  284.898835]  ? cgroup_procs_write_finish+0xf0/0xf0
[  284.903767]  ? find_held_lock+0x36/0x1c0
[  284.907831]  shrink_node+0x431/0x16b0
[  284.911637]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  284.916929]  ? shrink_node_memcg+0x18f0/0x18f0
[  284.921517]  ? kvm_clock_read+0x18/0x30
[  284.925488]  ? ktime_get+0x2c1/0x400
[  284.929215]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  284.933720]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  284.939255]  ? __cpuset_node_allowed+0x19b/0x660
[  284.944011]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  284.949723]  ? delayacct_end+0x5a/0x100
[  284.953704]  do_try_to_free_pages+0x3e7/0x1290
[  284.958281]  ? zap_class+0x640/0x640
[  284.962006]  ? shrink_node+0x16b0/0x16b0
[  284.966071]  ? __lock_is_held+0xb5/0x140
[  284.970137]  try_to_free_pages+0x4d0/0xb90
[  284.974372]  ? do_try_to_free_pages+0x1290/0x1290
[  284.979225]  ? lock_acquire+0x1ed/0x520
[  284.983192]  ? set_page_refcounted+0x280/0x280
[  284.987780]  ? lock_release+0xa00/0xa00
[  284.991754]  ? _raw_spin_unlock_irq+0x60/0x80
[  284.996242]  ? psi_memstall_enter+0x240/0x2b0
[  285.000744]  ? psi_memstall_tick+0x230/0x230
[  285.005157]  __alloc_pages_slowpath+0xa14/0x2e10
[  285.009931]  ? warn_alloc+0x120/0x120
[  285.013731]  ? mark_held_locks+0x130/0x130
[  285.017969]  ? find_get_entry+0xaae/0x1120
[  285.022215]  ? filemap_map_pages+0x1a20/0x1a20
[  285.026796]  ? zap_class+0x640/0x640
[  285.030513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.036059]  ? check_preemption_disabled+0x48/0x280
[  285.041070]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.046697]  ? should_fail+0x22d/0xd01
[  285.050586]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.055685]  ? zap_class+0x640/0x640
[  285.059414]  ? __lock_is_held+0xb5/0x140
[  285.063490]  ? mark_held_locks+0x130/0x130
[  285.067721]  ? lock_release+0xa00/0xa00
[  285.071692]  ? perf_trace_sched_process_exec+0x860/0x860
[  285.077137]  ? xa_load+0x2ba/0x460
[  285.080672]  ? lock_downgrade+0x900/0x900
[  285.084818]  ? __might_sleep+0x95/0x190
[  285.088798]  __alloc_pages_nodemask+0xa80/0xde0
[  285.093471]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  285.098481]  ? __page_cache_alloc+0x191/0x5c0
[  285.102969]  ? xa_load+0x2e1/0x460
[  285.106506]  ? xa_clear_mark+0x40/0x40
[  285.110390]  ? zap_class+0x640/0x640
[  285.114107]  ? zap_class+0x640/0x640
[  285.117819]  ? zap_class+0x640/0x640
[  285.121531]  ? __do_page_cache_readahead+0x663/0x810
[  285.126632]  ? find_held_lock+0x36/0x1c0
[  285.130693]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  285.136230]  alloc_pages_current+0x173/0x350
[  285.140636]  __page_cache_alloc+0x38c/0x5c0
[  285.144953]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  285.149996]  ? kasan_check_read+0x11/0x20
[  285.154148]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.159428]  ? generic_perform_write+0x6a0/0x6a0
[  285.164193]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.169763]  ? check_preemption_disabled+0x48/0x280
[  285.174786]  filemap_fault+0x1595/0x25f0
[  285.178856]  ? __lock_page_or_retry+0xa00/0xa00
[  285.183527]  ? mark_held_locks+0x130/0x130
[  285.187763]  ? filemap_map_pages+0xd6b/0x1a20
[  285.192257]  ? lock_downgrade+0x900/0x900
[  285.196409]  ? check_preemption_disabled+0x48/0x280
[  285.201423]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  285.206345]  ? kasan_check_read+0x11/0x20
[  285.210485]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.215754]  ? rcu_softirq_qs+0x20/0x20
[  285.219733]  ? filemap_map_pages+0xd92/0x1a20
[  285.224234]  ? find_get_entries_tag+0x1400/0x1400
[  285.229074]  ? debug_object_destroy+0x2b0/0x2b0
[  285.233738]  ? lock_pi_update_atomic+0x150/0x150
[  285.238487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.244039]  ? lock_acquire+0x1ed/0x520
[  285.248016]  ? ext4_filemap_fault+0x7a/0xad
[  285.252337]  ? lock_release+0xa00/0xa00
[  285.256303]  ? perf_trace_sched_process_exec+0x860/0x860
[  285.261753]  ? print_usage_bug+0xc0/0xc0
[  285.267044]  ? print_usage_bug+0xc0/0xc0
[  285.271109]  ? down_read+0x8d/0x120
[  285.274726]  ? ext4_filemap_fault+0x7a/0xad
[  285.279043]  ? __down_interruptible+0x700/0x700
[  285.283720]  ext4_filemap_fault+0x82/0xad
[  285.287870]  __do_fault+0x100/0x6b0
[  285.291494]  ? pmd_devmap_trans_unstable+0x220/0x220
[  285.296598]  ? mark_held_locks+0x130/0x130
[  285.300830]  ? mark_held_locks+0x130/0x130
[  285.305068]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.310358]  ? rcu_softirq_qs+0x20/0x20
[  285.314336]  ? kasan_check_write+0x14/0x20
[  285.318568]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.324111]  __handle_mm_fault+0x3ea0/0x5be0
[  285.328699]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  285.333542]  ? aa_path_link+0x5e0/0x5e0
[  285.337517]  ? ksys_dup3+0x680/0x680
[  285.341237]  ? zap_class+0x640/0x640
[  285.344951]  ? zap_class+0x640/0x640
[  285.348663]  ? __x64_sys_futex+0x53e/0x6a0
[  285.352896]  ? find_held_lock+0x36/0x1c0
[  285.356963]  ? handle_mm_fault+0x42a/0xc70
[  285.361199]  ? lock_downgrade+0x900/0x900
[  285.365344]  ? check_preemption_disabled+0x48/0x280
[  285.370357]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  285.375282]  ? kasan_check_read+0x11/0x20
[  285.379425]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.384694]  ? rcu_softirq_qs+0x20/0x20
[  285.388664]  ? trace_hardirqs_off_caller+0x310/0x310
[  285.393763]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.399298]  ? check_preemption_disabled+0x48/0x280
[  285.404321]  handle_mm_fault+0x54f/0xc70
[  285.408400]  ? __handle_mm_fault+0x5be0/0x5be0
[  285.412985]  ? find_vma+0x34/0x190
[  285.416537]  __do_page_fault+0x5e8/0xe60
[  285.420591]  ? trace_hardirqs_off+0xb8/0x310
[  285.425008]  do_page_fault+0xf2/0x7e0
[  285.428803]  ? vmalloc_sync_all+0x30/0x30
[  285.433124]  ? error_entry+0x70/0xd0
[  285.436925]  ? trace_hardirqs_off_caller+0xbb/0x310
[  285.441939]  ? trace_hardirqs_on_caller+0xc0/0x310
[  285.446864]  ? syscall_return_slowpath+0x5e0/0x5e0
[  285.451788]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.456629]  ? trace_hardirqs_on_caller+0x310/0x310
[  285.461641]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  285.467092]  ? prepare_exit_to_usermode+0x291/0x3b0
[  285.472100]  ? page_fault+0x8/0x30
[  285.475640]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  285.480478]  ? page_fault+0x8/0x30
[  285.484019]  page_fault+0x1e/0x30
[  285.487465] RIP: 0033:0x40f9c0
[  285.490672] Code: Bad RIP value.
[  285.494028] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  285.499383] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  285.506643] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  285.513910] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  285.521175] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  285.528454] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  285.535732] warn_alloc_show_mem: 1 callbacks suppressed
[  285.535746] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  285.535747] Mem-Info:
[  285.535779] active_anon:51741 inactive_anon:192 isolated_anon:0
[  285.535779]  active_file:28 inactive_file:10 isolated_file:0
[  285.535779]  unevictable:0 dirty:0 writeback:0 unstable:0
[  285.535779]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  285.535779]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  285.535779]  free:13684 free_pcp:150 free_cma:0
[  285.541111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  285.541118] Call Trace:
[  285.548389] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  285.550778]  <IRQ>
[  285.583635] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  285.592996]  dump_stack+0x244/0x39d
[  285.595545] lowmem_reserve[]: 0 2818 6321 6321
[  285.623139]  ? dump_stack_print_info.cold.1+0x20/0x20
[  285.625259] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  285.651666]  warn_alloc.cold.116+0xb7/0x1bd
[  285.655259] lowmem_reserve[]: 0 0 3503 3503
[  285.659829]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  285.664995] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  285.692573]  ? lock_downgrade+0x900/0x900
[  285.696862] lowmem_reserve[]: 0 0 0 0
[  285.701180]  ? trace_hardirqs_off+0xb8/0x310
[  285.705993] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  285.734987]  ? trace_hardirqs_off+0xb8/0x310
[  285.739107] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  285.742911]  __alloc_pages_slowpath+0x26e8/0x2e10
[  285.747285] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  285.760824]  ? warn_alloc+0x120/0x120
[  285.765190] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  285.780429]  ? print_usage_bug+0xc0/0xc0
[  285.785251] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  285.800579]  ? warn_alloc+0x120/0x120
[  285.804351] 281 total pagecache pages
[  285.813173]  ? warn_alloc+0x120/0x120
[  285.817218] 0 pages in swap cache
[  285.825770]  ? print_usage_bug+0xc0/0xc0
[  285.829542] Swap cache stats: add 0, delete 0, find 0/0
[  285.833326]  ? kvm_clock_read+0x18/0x30
[  285.837096] Free swap  = 0kB
[  285.840540]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  285.844572] Total swap = 0kB
[  285.849929]  ? print_usage_bug+0xc0/0xc0
[  285.853983] 1965979 pages RAM
[  285.856989]  ? __lock_acquire+0x62f/0x4c20
[  285.861974] 0 pages HighMem/MovableOnly
[  285.864985]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  285.869014] 342854 pages reserved
[  285.869021] 0 pages cma reserved
[  285.872129]  ? should_fail+0x22d/0xd01
[  285.876401] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  285.880290]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  285.880307]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.880323]  ? __lock_acquire+0x62f/0x4c20
[  285.885888] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  285.889275]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  285.892614] syz-fuzzer cpuset=/ mems_allowed=0
[  285.896481]  ? __lock_acquire+0x62f/0x4c20
[  285.896496]  ? should_fail+0x22d/0xd01
[  285.945483]  ? rcu_irq_exit+0x1a2/0x390
[  285.949467]  ? mark_held_locks+0x130/0x130
[  285.953700]  ? mark_held_locks+0x130/0x130
[  285.957938]  ? mark_held_locks+0xc7/0x130
[  285.962090]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  285.967102]  ? zap_class+0x640/0x640
[  285.970813]  ? print_usage_bug+0xc0/0xc0
[  285.974876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  285.980411]  ? check_preemption_disabled+0x48/0x280
[  285.985432]  ? __lock_is_held+0xb5/0x140
[  285.989496]  __alloc_pages_nodemask+0xa80/0xde0
[  285.994160]  ? zap_class+0x640/0x640
[  285.997873]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  286.002895]  ? find_held_lock+0x36/0x1c0
[  286.006968]  ? ____cache_alloc_node+0x1c7/0x1e0
[  286.011633]  ? lock_downgrade+0x900/0x900
[  286.015786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.021323]  cache_grow_begin+0xa5/0x8c0
[  286.025386]  ? do_raw_spin_unlock+0xa7/0x330
[  286.029793]  fallback_alloc+0x204/0x2e0
[  286.033773]  ____cache_alloc_node+0x1c7/0x1e0
[  286.038270]  kmem_cache_alloc_node+0xe3/0x730
[  286.042763]  ? ipv6_get_ifaddr+0x42e/0x620
[  286.047002]  __alloc_skb+0x119/0x770
[  286.050711]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.055990]  ? netdev_alloc_frag+0x1f0/0x1f0
[  286.060393]  ? lock_downgrade+0x900/0x900
[  286.064545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.070079]  ? refcount_sub_and_test_checked+0x203/0x310
[  286.075531]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  286.080976]  ? addrconf_rs_timer+0x690/0x690
[  286.085392]  ndisc_alloc_skb+0x144/0x340
[  286.089452]  ndisc_send_rs+0x331/0x6e0
[  286.093340]  addrconf_rs_timer+0x314/0x690
[  286.097578]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.101819]  call_timer_fn+0x272/0x920
[  286.105705]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.109940]  ? process_timeout+0x40/0x40
[  286.114002]  ? __run_timers+0x7da/0xc70
[  286.117974]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.122462]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.126955]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.131183]  ? lockdep_hardirqs_on+0x296/0x5b0
[  286.135762]  ? trace_hardirqs_on+0xbd/0x310
[  286.140084]  ? kasan_check_read+0x11/0x20
[  286.144226]  ? __run_timers+0x7da/0xc70
[  286.148197]  ? trace_hardirqs_off_caller+0x310/0x310
[  286.153299]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.157533]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.161764]  __run_timers+0x7e5/0xc70
[  286.165569]  ? timer_fixup_init+0x70/0x70
[  286.169714]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  286.174724]  ? zap_class+0x640/0x640
[  286.178435]  ? enqueue_hrtimer+0x1a5/0x560
[  286.182698]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  286.187894]  ? find_held_lock+0x36/0x1c0
[  286.191962]  ? zap_class+0x640/0x640
[  286.195683]  ? pvclock_read_flags+0x160/0x160
[  286.200174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.205710]  ? check_preemption_disabled+0x48/0x280
[  286.210734]  ? __lock_is_held+0xb5/0x140
[  286.214793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.220326]  ? check_preemption_disabled+0x48/0x280
[  286.225342]  run_timer_softirq+0x52/0xb0
[  286.229402]  ? rcu_read_lock_sched_held+0x14f/0x180
[  286.234414]  __do_softirq+0x308/0xb7e
[  286.238214]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  286.242706]  ? lock_downgrade+0x900/0x900
[  286.246851]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  286.251959]  ? pvclock_read_flags+0x160/0x160
[  286.256456]  ? lapic_next_event+0x5a/0x90
[  286.260612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.266148]  ? kvm_clock_read+0x18/0x30
[  286.270114]  ? kvm_sched_clock_read+0x9/0x20
[  286.274517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.280050]  ? check_preemption_disabled+0x48/0x280
[  286.285070]  irq_exit+0x17f/0x1c0
[  286.288519]  smp_apic_timer_interrupt+0x1cb/0x760
[  286.293354]  ? smp_reschedule_interrupt+0x109/0x650
[  286.298365]  ? smp_call_function_single_interrupt+0x650/0x650
[  286.304245]  ? interrupt_entry+0xb5/0xc0
[  286.308302]  ? trace_hardirqs_off_caller+0xbb/0x310
[  286.313314]  ? trace_hardirqs_off_caller+0xbb/0x310
[  286.318331]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.323169]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.328179]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.333190]  ? task_prio+0x50/0x50
[  286.336724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.342257]  ? check_preemption_disabled+0x48/0x280
[  286.347272]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.352118]  apic_timer_interrupt+0xf/0x20
[  286.356342]  </IRQ>
[  286.358589] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  286.363527] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  286.382432] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  286.390133] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  286.397396] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  286.404657] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  286.411931] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  286.419194] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  286.426495]  skb_clone+0x1bb/0x500
[  286.430031]  ? finish_task_switch+0x1b4/0x910
[  286.434525]  ? skb_split+0x11e0/0x11e0
[  286.438411]  ? preempt_notifier_register+0x200/0x200
[  286.443513]  ? __switch_to_asm+0x34/0x70
[  286.447566]  ? __switch_to_asm+0x34/0x70
[  286.451617]  ? __switch_to_asm+0x40/0x70
[  286.455676]  ? __switch_to_asm+0x34/0x70
[  286.459731]  ? __switch_to_asm+0x40/0x70
[  286.463784]  ? __switch_to_asm+0x34/0x70
[  286.467842]  ? __switch_to_asm+0x40/0x70
[  286.471892]  ? __switch_to_asm+0x34/0x70
[  286.475952]  ? __switch_to_asm+0x34/0x70
[  286.480008]  ? __switch_to_asm+0x40/0x70
[  286.484059]  ? __switch_to_asm+0x34/0x70
[  286.488119]  bpf_clone_redirect+0xb9/0x490
[  286.492348]  ? __schedule+0x8d7/0x21d0
[  286.496234]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  286.501247]  ? __sched_text_start+0x8/0x8
[  286.505394]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  286.509970]  ? retint_kernel+0x2d/0x2d
[  286.513853]  ? trace_hardirqs_on_caller+0xc0/0x310
[  286.518780]  ? find_held_lock+0x36/0x1c0
[  286.522841]  ? lock_acquire+0x1ed/0x520
[  286.526810]  ? bpf_test_run+0x3cb/0x780
[  286.530782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.536314]  ? check_preemption_disabled+0x48/0x280
[  286.541344]  ? kasan_check_read+0x11/0x20
[  286.545488]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.550761]  ? rcu_softirq_qs+0x20/0x20
[  286.554733]  ? preempt_schedule+0x4d/0x60
[  286.558879]  ? ___preempt_schedule+0x16/0x18
[  286.563294]  ? bpf_test_run+0x25d/0x780
[  286.567276]  ? netlink_diag_dump+0x2a0/0x2a0
[  286.571684]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.577231]  ? bpf_test_init.isra.10+0x70/0x100
[  286.581919]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  286.586685]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  286.591522]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  286.597053]  ? fput+0x130/0x1a0
[  286.600329]  ? __bpf_prog_get+0x9b/0x290
[  286.604386]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  286.609221]  ? bpf_prog_test_run+0x130/0x1a0
[  286.613626]  ? __x64_sys_bpf+0x3d8/0x520
[  286.617686]  ? bpf_prog_get+0x20/0x20
[  286.621500]  ? do_syscall_64+0x1b9/0x820
[  286.625557]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  286.630918]  ? syscall_return_slowpath+0x5e0/0x5e0
[  286.635847]  ? trace_hardirqs_on_caller+0x310/0x310
[  286.640858]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  286.645887]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  286.652547]  ? __switch_to_asm+0x40/0x70
[  286.656605]  ? __switch_to_asm+0x34/0x70
[  286.660669]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  286.665512]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  286.670899] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  286.670976] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  286.677912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  286.677917] Call Trace:
[  286.677924]  <IRQ>
[  286.677942]  dump_stack+0x244/0x39d
[  286.677961]  ? dump_stack_print_info.cold.1+0x20/0x20
[  286.684480] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  286.693769]  warn_alloc.cold.116+0xb7/0x1bd
[  286.696328] syz-executor2 cpuset=syz2 mems_allowed=0
[  286.698467]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  286.731935]  ? lock_downgrade+0x900/0x900
[  286.736091]  ? trace_hardirqs_off+0xb8/0x310
[  286.740500]  ? trace_hardirqs_off+0xb8/0x310
[  286.744914]  __alloc_pages_slowpath+0x26e8/0x2e10
[  286.749775]  ? warn_alloc+0x120/0x120
[  286.753576]  ? print_usage_bug+0xc0/0xc0
[  286.757636]  ? warn_alloc+0x120/0x120
[  286.761435]  ? warn_alloc+0x120/0x120
[  286.765234]  ? print_usage_bug+0xc0/0xc0
[  286.769297]  ? print_usage_bug+0xc0/0xc0
[  286.773357]  ? __lock_acquire+0x62f/0x4c20
[  286.777590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  286.783130]  ? should_fail+0x22d/0xd01
[  286.787016]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.792115]  ? __lock_acquire+0x62f/0x4c20
[  286.796667]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  286.801771]  ? __lock_acquire+0x62f/0x4c20
[  286.806000]  ? should_fail+0x22d/0xd01
[  286.809895]  ? find_held_lock+0x36/0x1c0
[  286.813960]  ? mark_held_locks+0x130/0x130
[  286.818191]  ? mark_held_locks+0x130/0x130
[  286.822419]  ? zap_class+0x640/0x640
[  286.826135]  ? zap_class+0x640/0x640
[  286.829846]  ? print_usage_bug+0xc0/0xc0
[  286.833908]  ? do_raw_spin_unlock+0xa7/0x330
[  286.838312]  ? zap_class+0x640/0x640
[  286.842023]  ? print_usage_bug+0xc0/0xc0
[  286.846077]  ? wq_watchdog_touch+0x9c/0xfe
[  286.850313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.855849]  ? check_preemption_disabled+0x48/0x280
[  286.860883]  ? __lock_is_held+0xb5/0x140
[  286.864948]  __alloc_pages_nodemask+0xa80/0xde0
[  286.869614]  ? zap_class+0x640/0x640
[  286.873327]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  286.878350]  ? find_held_lock+0x36/0x1c0
[  286.882415]  ? ____cache_alloc_node+0x1c7/0x1e0
[  286.887094]  ? lock_downgrade+0x900/0x900
[  286.891249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.896879]  cache_grow_begin+0xa5/0x8c0
[  286.900934]  ? do_raw_spin_unlock+0xa7/0x330
[  286.905344]  fallback_alloc+0x204/0x2e0
[  286.909325]  ____cache_alloc_node+0x1c7/0x1e0
[  286.913821]  kmem_cache_alloc_node+0xe3/0x730
[  286.918325]  ? ipv6_get_ifaddr+0x42e/0x620
[  286.922609]  __alloc_skb+0x119/0x770
[  286.926318]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  286.931611]  ? netdev_alloc_frag+0x1f0/0x1f0
[  286.936014]  ? lock_downgrade+0x900/0x900
[  286.940164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  286.945699]  ? refcount_sub_and_test_checked+0x203/0x310
[  286.951149]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  286.956599]  ? addrconf_rs_timer+0x690/0x690
[  286.961017]  ndisc_alloc_skb+0x144/0x340
[  286.965076]  ndisc_send_rs+0x331/0x6e0
[  286.968964]  addrconf_rs_timer+0x314/0x690
[  286.973201]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.977442]  call_timer_fn+0x272/0x920
[  286.981322]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  286.985551]  ? process_timeout+0x40/0x40
[  286.989615]  ? mark_held_locks+0xc7/0x130
[  286.993759]  ? _raw_spin_unlock_irq+0x27/0x80
[  286.998251]  ? _raw_spin_unlock_irq+0x27/0x80
[  287.002748]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.006985]  ? lockdep_hardirqs_on+0x296/0x5b0
[  287.011563]  ? trace_hardirqs_on+0xbd/0x310
[  287.015883]  ? kasan_check_read+0x11/0x20
[  287.020023]  ? __run_timers+0x7da/0xc70
[  287.023994]  ? trace_hardirqs_off_caller+0x310/0x310
[  287.029109]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.033347]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  287.037575]  __run_timers+0x7e5/0xc70
[  287.041383]  ? timer_fixup_init+0x70/0x70
[  287.045528]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  287.050539]  ? zap_class+0x640/0x640
[  287.054252]  ? print_usage_bug+0xc0/0xc0
[  287.058308]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  287.063499]  ? find_held_lock+0x36/0x1c0
[  287.067560]  ? zap_class+0x640/0x640
[  287.071278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.076810]  ? check_preemption_disabled+0x48/0x280
[  287.081833]  ? __lock_is_held+0xb5/0x140
[  287.085900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.091433]  ? check_preemption_disabled+0x48/0x280
[  287.096448]  run_timer_softirq+0x52/0xb0
[  287.100513]  ? rcu_read_lock_sched_held+0x14f/0x180
[  287.105606]  __do_softirq+0x308/0xb7e
[  287.109404]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  287.113896]  ? lock_downgrade+0x900/0x900
[  287.118042]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  287.123147]  ? pvclock_read_flags+0x160/0x160
[  287.127639]  ? lapic_next_event+0x5a/0x90
[  287.131783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.137318]  ? kvm_clock_read+0x18/0x30
[  287.141289]  ? kvm_sched_clock_read+0x9/0x20
[  287.145693]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.151228]  ? check_preemption_disabled+0x48/0x280
[  287.156250]  irq_exit+0x17f/0x1c0
[  287.159705]  smp_apic_timer_interrupt+0x1cb/0x760
[  287.164542]  ? smp_call_function_single_interrupt+0x159/0x650
[  287.170420]  ? smp_call_function_single_interrupt+0x650/0x650
[  287.176301]  ? interrupt_entry+0xb5/0xc0
[  287.180362]  ? trace_hardirqs_off_caller+0xbb/0x310
[  287.185375]  ? trace_hardirqs_off_caller+0xbb/0x310
[  287.190389]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.195228]  ? trace_hardirqs_on_caller+0x310/0x310
[  287.200239]  ? trace_hardirqs_on_caller+0x310/0x310
[  287.205261]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.210108]  apic_timer_interrupt+0xf/0x20
[  287.214331]  </IRQ>
[  287.216567] RIP: 0010:write_comp_data+0xd/0x70
[  287.221147] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  287.240040] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  287.247740] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  287.255002] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  287.262265] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  287.269528] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  287.276789] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  287.284068]  ? list_lru_count_one+0x36d/0x450
[  287.288588]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  287.293962]  list_lru_count_one+0x36d/0x450
[  287.298291]  ? list_lru_isolate_move+0x3c0/0x3c0
[  287.303040]  ? shmem_free_inode+0xd0/0xd0
[  287.307188]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.312726]  ? ubifs_shrink_count+0xc4/0x100
[  287.317136]  super_cache_count+0x1b9/0x2e0
[  287.321374]  do_shrink_slab+0x1b1/0xd30
[  287.325349]  ? lock_acquire+0x1ed/0x520
[  287.329338]  ? snapshot_refaults+0x290/0x290
[  287.333741]  ? lock_release+0xa00/0xa00
[  287.337718]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  287.342651]  ? down_read_trylock+0xda/0x140
[  287.346964]  ? shrink_slab+0x207/0x8c0
[  287.350851]  ? downgrade_write+0x270/0x270
[  287.355118]  shrink_slab+0x389/0x8c0
[  287.358834]  ? shrink_active_list+0x1f00/0x1f00
[  287.363506]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  287.369126]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  287.374233]  ? cgroup_procs_write_finish+0xf0/0xf0
[  287.379165]  ? find_held_lock+0x36/0x1c0
[  287.383230]  shrink_node+0x431/0x16b0
[  287.387027]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  287.392324]  ? shrink_node_memcg+0x18f0/0x18f0
[  287.396909]  ? kvm_clock_read+0x18/0x30
[  287.400881]  ? ktime_get+0x2c1/0x400
[  287.404591]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  287.409086]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  287.414635]  ? __cpuset_node_allowed+0x19b/0x660
[  287.419393]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  287.425112]  ? delayacct_end+0x5a/0x100
[  287.429095]  do_try_to_free_pages+0x3e7/0x1290
[  287.433669]  ? zap_class+0x640/0x640
[  287.437390]  ? shrink_node+0x16b0/0x16b0
[  287.441447]  ? __lock_is_held+0xb5/0x140
[  287.445513]  try_to_free_pages+0x4d0/0xb90
[  287.449748]  ? do_try_to_free_pages+0x1290/0x1290
[  287.454595]  ? lock_acquire+0x1ed/0x520
[  287.458572]  ? set_page_refcounted+0x280/0x280
[  287.463154]  ? lock_release+0xa00/0xa00
[  287.467128]  ? _raw_spin_unlock_irq+0x60/0x80
[  287.471616]  ? psi_memstall_enter+0x240/0x2b0
[  287.476108]  ? psi_memstall_tick+0x230/0x230
[  287.480520]  __alloc_pages_slowpath+0xa14/0x2e10
[  287.485296]  ? warn_alloc+0x120/0x120
[  287.489095]  ? mark_held_locks+0x130/0x130
[  287.493326]  ? find_get_entry+0xaae/0x1120
[  287.497565]  ? filemap_map_pages+0x1a20/0x1a20
[  287.502144]  ? zap_class+0x640/0x640
[  287.505859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.511394]  ? check_preemption_disabled+0x48/0x280
[  287.516405]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.521935]  ? should_fail+0x22d/0xd01
[  287.525826]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  287.530929]  ? zap_class+0x640/0x640
[  287.534655]  ? __lock_is_held+0xb5/0x140
[  287.538720]  ? mark_held_locks+0x130/0x130
[  287.542950]  ? lock_release+0xa00/0xa00
[  287.546920]  ? perf_trace_sched_process_exec+0x860/0x860
[  287.552371]  ? xa_load+0x2ba/0x460
[  287.555905]  ? lock_downgrade+0x900/0x900
[  287.560058]  ? __might_sleep+0x95/0x190
[  287.564031]  __alloc_pages_nodemask+0xa80/0xde0
[  287.568707]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  287.573719]  ? __page_cache_alloc+0x191/0x5c0
[  287.578219]  ? xa_load+0x2e1/0x460
[  287.581759]  ? xa_clear_mark+0x40/0x40
[  287.585644]  ? zap_class+0x640/0x640
[  287.589362]  ? zap_class+0x640/0x640
[  287.593079]  ? zap_class+0x640/0x640
[  287.596788]  ? __do_page_cache_readahead+0x663/0x810
[  287.601897]  ? find_held_lock+0x36/0x1c0
[  287.605959]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  287.611497]  alloc_pages_current+0x173/0x350
[  287.615906]  __page_cache_alloc+0x38c/0x5c0
[  287.620221]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  287.625142]  ? kasan_check_read+0x11/0x20
[  287.629783]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.635073]  ? generic_perform_write+0x6a0/0x6a0
[  287.639832]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.645366]  ? check_preemption_disabled+0x48/0x280
[  287.650383]  filemap_fault+0x1595/0x25f0
[  287.654454]  ? __lock_page_or_retry+0xa00/0xa00
[  287.659121]  ? mark_held_locks+0x130/0x130
[  287.663359]  ? filemap_map_pages+0xd6b/0x1a20
[  287.667852]  ? lock_downgrade+0x900/0x900
[  287.671994]  ? check_preemption_disabled+0x48/0x280
[  287.677006]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  287.681930]  ? kasan_check_read+0x11/0x20
[  287.686072]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.691339]  ? rcu_softirq_qs+0x20/0x20
[  287.695319]  ? filemap_map_pages+0xd92/0x1a20
[  287.699828]  ? find_get_entries_tag+0x1400/0x1400
[  287.704666]  ? debug_object_destroy+0x2b0/0x2b0
[  287.709335]  ? lock_pi_update_atomic+0x150/0x150
[  287.714087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  287.719639]  ? lock_acquire+0x1ed/0x520
[  287.723608]  ? ext4_filemap_fault+0x7a/0xad
[  287.727930]  ? lock_release+0xa00/0xa00
[  287.731900]  ? perf_trace_sched_process_exec+0x860/0x860
[  287.737351]  ? print_usage_bug+0xc0/0xc0
[  287.741406]  ? print_usage_bug+0xc0/0xc0
[  287.745473]  ? down_read+0x8d/0x120
[  287.749095]  ? ext4_filemap_fault+0x7a/0xad
[  287.753412]  ? __down_interruptible+0x700/0x700
[  287.758086]  ext4_filemap_fault+0x82/0xad
[  287.762232]  __do_fault+0x100/0x6b0
[  287.765857]  ? pmd_devmap_trans_unstable+0x220/0x220
[  287.770958]  ? mark_held_locks+0x130/0x130
[  287.775187]  ? mark_held_locks+0x130/0x130
[  287.779417]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.784687]  ? rcu_softirq_qs+0x20/0x20
[  287.788659]  ? kasan_check_write+0x14/0x20
[  287.792890]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.798423]  __handle_mm_fault+0x3ea0/0x5be0
[  287.802834]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  287.807671]  ? aa_path_link+0x5e0/0x5e0
[  287.811658]  ? ksys_dup3+0x680/0x680
[  287.815377]  ? zap_class+0x640/0x640
[  287.819086]  ? zap_class+0x640/0x640
[  287.822858]  ? __x64_sys_futex+0x53e/0x6a0
[  287.827109]  ? find_held_lock+0x36/0x1c0
[  287.831171]  ? handle_mm_fault+0x42a/0xc70
[  287.835402]  ? lock_downgrade+0x900/0x900
[  287.839547]  ? check_preemption_disabled+0x48/0x280
[  287.844563]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  287.849487]  ? kasan_check_read+0x11/0x20
[  287.853728]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  287.858999]  ? rcu_softirq_qs+0x20/0x20
[  287.862971]  ? trace_hardirqs_off_caller+0x310/0x310
[  287.868071]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  287.873602]  ? check_preemption_disabled+0x48/0x280
[  287.878621]  handle_mm_fault+0x54f/0xc70
[  287.882679]  ? __handle_mm_fault+0x5be0/0x5be0
[  287.887262]  ? find_vma+0x34/0x190
[  287.890813]  __do_page_fault+0x5e8/0xe60
[  287.894870]  ? trace_hardirqs_off+0xb8/0x310
[  287.899369]  do_page_fault+0xf2/0x7e0
[  287.903165]  ? vmalloc_sync_all+0x30/0x30
[  287.907308]  ? error_entry+0x70/0xd0
[  287.911018]  ? trace_hardirqs_off_caller+0xbb/0x310
[  287.916037]  ? trace_hardirqs_on_caller+0xc0/0x310
[  287.921225]  ? syscall_return_slowpath+0x5e0/0x5e0
[  287.926147]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.930986]  ? trace_hardirqs_on_caller+0x310/0x310
[  287.935994]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  287.941448]  ? prepare_exit_to_usermode+0x291/0x3b0
[  287.946457]  ? page_fault+0x8/0x30
[  287.949996]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  287.954845]  ? page_fault+0x8/0x30
[  287.958379]  page_fault+0x1e/0x30
[  287.961826] RIP: 0033:0x40f9c0
[  287.965031] Code: Bad RIP value.
[  287.968388] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  287.973742] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  287.981010] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  287.988277] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  287.995542] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  288.002808] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  288.010090] warn_alloc_show_mem: 1 callbacks suppressed
[  288.010099] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  288.010101] Mem-Info:
[  288.010132] active_anon:51741 inactive_anon:192 isolated_anon:0
[  288.010132]  active_file:28 inactive_file:10 isolated_file:0
[  288.010132]  unevictable:0 dirty:0 writeback:0 unstable:0
[  288.010132]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  288.010132]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  288.010132]  free:13684 free_pcp:150 free_cma:0
[  288.015467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  288.022737] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  288.025122] Call Trace:
[  288.057974] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  288.067314]  <IRQ>
[  288.094866] lowmem_reserve[]: 0 2818 6321 6321
[  288.097452]  dump_stack+0x244/0x39d
[  288.123527] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  288.125671]  ? dump_stack_print_info.cold.1+0x20/0x20
[  288.130219] lowmem_reserve[]: 0 0 3503 3503
[  288.133849]  warn_alloc.cold.116+0xb7/0x1bd
[  288.161393] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  288.166577]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  288.170878] lowmem_reserve[]: 0 0 0 0
[  288.175191]  ? lock_downgrade+0x900/0x900
[  288.204045] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  288.208884]  ? trace_hardirqs_off+0xb8/0x310
[  288.212651] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  288.216793]  ? trace_hardirqs_off+0xb8/0x310
[  288.230284] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  288.234694]  __alloc_pages_slowpath+0x26e8/0x2e10
[  288.249937] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  288.254350]  ? warn_alloc+0x120/0x120
[  288.269561] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  288.269569] 281 total pagecache pages
[  288.274399]  ? print_usage_bug+0xc0/0xc0
[  288.283211] 0 pages in swap cache
[  288.286991]  ? warn_alloc+0x120/0x120
[  288.295541] Swap cache stats: add 0, delete 0, find 0/0
[  288.299326]  ? warn_alloc+0x120/0x120
[  288.303365] Free swap  = 0kB
[  288.306806]  ? print_usage_bug+0xc0/0xc0
[  288.310575] Total swap = 0kB
[  288.315922]  ? print_usage_bug+0xc0/0xc0
[  288.319695] 1965979 pages RAM
[  288.322701]  ? __lock_acquire+0x62f/0x4c20
[  288.326724] 0 pages HighMem/MovableOnly
[  288.326739] 342854 pages reserved
[  288.329752]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  288.333779] 0 pages cma reserved
[  288.336872]  ? should_fail+0x22d/0xd01
[  288.341156] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  288.345053]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.348562] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  288.354006]  ? __lock_acquire+0x62f/0x4c20
[  288.357341] syz-fuzzer cpuset=/ mems_allowed=0
[  288.361217]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  288.396841]  ? __lock_acquire+0x62f/0x4c20
[  288.401070]  ? should_fail+0x22d/0xd01
[  288.404950]  ? find_held_lock+0x36/0x1c0
[  288.409012]  ? mark_held_locks+0x130/0x130
[  288.413243]  ? mark_held_locks+0x130/0x130
[  288.417474]  ? zap_class+0x640/0x640
[  288.421185]  ? zap_class+0x640/0x640
[  288.424901]  ? print_usage_bug+0xc0/0xc0
[  288.428954]  ? do_raw_spin_unlock+0xa7/0x330
[  288.433356]  ? zap_class+0x640/0x640
[  288.437064]  ? print_usage_bug+0xc0/0xc0
[  288.441124]  ? wq_watchdog_touch+0x9c/0xfe
[  288.445358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.450894]  ? check_preemption_disabled+0x48/0x280
[  288.455916]  ? __lock_is_held+0xb5/0x140
[  288.459981]  __alloc_pages_nodemask+0xa80/0xde0
[  288.464643]  ? zap_class+0x640/0x640
[  288.468357]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  288.473381]  ? find_held_lock+0x36/0x1c0
[  288.477445]  ? ____cache_alloc_node+0x1c7/0x1e0
[  288.482115]  ? lock_downgrade+0x900/0x900
[  288.486265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.491800]  cache_grow_begin+0xa5/0x8c0
[  288.495854]  ? do_raw_spin_unlock+0xa7/0x330
[  288.500270]  fallback_alloc+0x204/0x2e0
[  288.504334]  ____cache_alloc_node+0x1c7/0x1e0
[  288.508833]  kmem_cache_alloc_node+0xe3/0x730
[  288.513323]  ? ipv6_get_ifaddr+0x42e/0x620
[  288.517564]  __alloc_skb+0x119/0x770
[  288.521272]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  288.526551]  ? netdev_alloc_frag+0x1f0/0x1f0
[  288.530955]  ? lock_downgrade+0x900/0x900
[  288.535102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.540639]  ? refcount_sub_and_test_checked+0x203/0x310
[  288.546086]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  288.551532]  ? addrconf_rs_timer+0x690/0x690
[  288.555947]  ndisc_alloc_skb+0x144/0x340
[  288.560012]  ndisc_send_rs+0x331/0x6e0
[  288.563898]  addrconf_rs_timer+0x314/0x690
[  288.568145]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.572384]  call_timer_fn+0x272/0x920
[  288.576268]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.580500]  ? process_timeout+0x40/0x40
[  288.584564]  ? __run_timers+0x7da/0xc70
[  288.588535]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.593026]  ? _raw_spin_unlock_irq+0x27/0x80
[  288.597516]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.601746]  ? lockdep_hardirqs_on+0x296/0x5b0
[  288.606333]  ? trace_hardirqs_on+0xbd/0x310
[  288.610652]  ? kasan_check_read+0x11/0x20
[  288.614793]  ? __run_timers+0x7da/0xc70
[  288.618768]  ? trace_hardirqs_off_caller+0x310/0x310
[  288.623878]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.628112]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  288.632341]  __run_timers+0x7e5/0xc70
[  288.636148]  ? timer_fixup_init+0x70/0x70
[  288.640293]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  288.645304]  ? zap_class+0x640/0x640
[  288.649013]  ? enqueue_hrtimer+0x1a5/0x560
[  288.653247]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  288.658438]  ? find_held_lock+0x36/0x1c0
[  288.662510]  ? zap_class+0x640/0x640
[  288.666222]  ? pvclock_read_flags+0x160/0x160
[  288.670719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.676252]  ? check_preemption_disabled+0x48/0x280
[  288.681271]  ? __lock_is_held+0xb5/0x140
[  288.685326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.690858]  ? check_preemption_disabled+0x48/0x280
[  288.695872]  run_timer_softirq+0x52/0xb0
[  288.699928]  ? rcu_read_lock_sched_held+0x14f/0x180
[  288.704940]  __do_softirq+0x308/0xb7e
[  288.708743]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  288.713232]  ? lock_downgrade+0x900/0x900
[  288.717380]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  288.722486]  ? pvclock_read_flags+0x160/0x160
[  288.726978]  ? lapic_next_event+0x5a/0x90
[  288.731125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.736669]  ? kvm_clock_read+0x18/0x30
[  288.740644]  ? kvm_sched_clock_read+0x9/0x20
[  288.745048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.750581]  ? check_preemption_disabled+0x48/0x280
[  288.755599]  irq_exit+0x17f/0x1c0
[  288.759048]  smp_apic_timer_interrupt+0x1cb/0x760
[  288.763889]  ? smp_reschedule_interrupt+0x109/0x650
[  288.768902]  ? smp_call_function_single_interrupt+0x650/0x650
[  288.775128]  ? interrupt_entry+0xb5/0xc0
[  288.779189]  ? trace_hardirqs_off_caller+0xbb/0x310
[  288.784198]  ? trace_hardirqs_off_caller+0xbb/0x310
[  288.789211]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.794579]  ? trace_hardirqs_on_caller+0x310/0x310
[  288.799590]  ? trace_hardirqs_on_caller+0x310/0x310
[  288.804599]  ? task_prio+0x50/0x50
[  288.808143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  288.813678]  ? check_preemption_disabled+0x48/0x280
[  288.818708]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  288.823559]  apic_timer_interrupt+0xf/0x20
[  288.827785]  </IRQ>
[  288.830027] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  288.834954] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  288.853868] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  288.861572] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  288.868835] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  288.876097] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  288.883360] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  288.890627] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  288.897927]  skb_clone+0x1bb/0x500
[  288.901464]  ? finish_task_switch+0x1b4/0x910
[  288.905954]  ? skb_split+0x11e0/0x11e0
[  288.909842]  ? preempt_notifier_register+0x200/0x200
[  288.914936]  ? __switch_to_asm+0x34/0x70
[  288.918990]  ? __switch_to_asm+0x34/0x70
[  288.923042]  ? __switch_to_asm+0x40/0x70
[  288.927111]  ? __switch_to_asm+0x34/0x70
[  288.931182]  ? __switch_to_asm+0x40/0x70
[  288.935235]  ? __switch_to_asm+0x34/0x70
[  288.939291]  ? __switch_to_asm+0x40/0x70
[  288.943349]  ? __switch_to_asm+0x34/0x70
[  288.947402]  ? __switch_to_asm+0x34/0x70
[  288.951469]  ? __switch_to_asm+0x40/0x70
[  288.955525]  ? __switch_to_asm+0x34/0x70
[  288.959588]  bpf_clone_redirect+0xb9/0x490
[  288.963818]  ? __schedule+0x8d7/0x21d0
[  288.967707]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  288.972722]  ? __sched_text_start+0x8/0x8
[  288.976869]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  288.981446]  ? retint_kernel+0x2d/0x2d
[  288.985330]  ? trace_hardirqs_on_caller+0xc0/0x310
[  288.990258]  ? find_held_lock+0x36/0x1c0
[  288.994325]  ? lock_acquire+0x1ed/0x520
[  288.998299]  ? bpf_test_run+0x3cb/0x780
[  289.002283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.007818]  ? check_preemption_disabled+0x48/0x280
[  289.012839]  ? kasan_check_read+0x11/0x20
[  289.016981]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.022255]  ? rcu_softirq_qs+0x20/0x20
[  289.026225]  ? preempt_schedule+0x4d/0x60
[  289.030372]  ? ___preempt_schedule+0x16/0x18
[  289.034782]  ? bpf_test_run+0x25d/0x780
[  289.038776]  ? netlink_diag_dump+0x2a0/0x2a0
[  289.043182]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.048712]  ? bpf_test_init.isra.10+0x70/0x100
[  289.053383]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  289.058143]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  289.062979]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  289.068510]  ? fput+0x130/0x1a0
[  289.071785]  ? __bpf_prog_get+0x9b/0x290
[  289.075845]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  289.080690]  ? bpf_prog_test_run+0x130/0x1a0
[  289.085101]  ? __x64_sys_bpf+0x3d8/0x520
[  289.089160]  ? bpf_prog_get+0x20/0x20
[  289.092973]  ? do_syscall_64+0x1b9/0x820
[  289.097027]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  289.102385]  ? syscall_return_slowpath+0x5e0/0x5e0
[  289.107325]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.112336]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  289.117349]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  289.124010]  ? __switch_to_asm+0x40/0x70
[  289.128062]  ? __switch_to_asm+0x34/0x70
[  289.132121]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.136962]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  289.142336] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  289.142426] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  289.149350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  289.149355] Call Trace:
[  289.149362]  <IRQ>
[  289.149380]  dump_stack+0x244/0x39d
[  289.149399]  ? dump_stack_print_info.cold.1+0x20/0x20
[  289.155943] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  289.165223]  warn_alloc.cold.116+0xb7/0x1bd
[  289.167771] syz-executor2 cpuset=syz2 mems_allowed=0
[  289.169916]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  289.203357]  ? lock_downgrade+0x900/0x900
[  289.207507]  ? trace_hardirqs_off+0xb8/0x310
[  289.211922]  ? trace_hardirqs_off+0xb8/0x310
[  289.216333]  __alloc_pages_slowpath+0x26e8/0x2e10
[  289.221196]  ? warn_alloc+0x120/0x120
[  289.224999]  ? print_usage_bug+0xc0/0xc0
[  289.229056]  ? warn_alloc+0x120/0x120
[  289.232854]  ? warn_alloc+0x120/0x120
[  289.236656]  ? print_usage_bug+0xc0/0xc0
[  289.240712]  ? kvm_clock_read+0x18/0x30
[  289.244681]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  289.249696]  ? print_usage_bug+0xc0/0xc0
[  289.253754]  ? __lock_acquire+0x62f/0x4c20
[  289.257991]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.263529]  ? should_fail+0x22d/0xd01
[  289.267414]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.272687]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.277785]  ? __lock_acquire+0x62f/0x4c20
[  289.282018]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  289.287117]  ? __lock_acquire+0x62f/0x4c20
[  289.291345]  ? should_fail+0x22d/0xd01
[  289.295226]  ? rcu_irq_exit+0x1a2/0x390
[  289.299203]  ? mark_held_locks+0x130/0x130
[  289.303440]  ? mark_held_locks+0x130/0x130
[  289.307788]  ? mark_held_locks+0xc7/0x130
[  289.311930]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  289.316940]  ? zap_class+0x640/0x640
[  289.320653]  ? print_usage_bug+0xc0/0xc0
[  289.324711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.330245]  ? check_preemption_disabled+0x48/0x280
[  289.335261]  ? __lock_is_held+0xb5/0x140
[  289.339323]  __alloc_pages_nodemask+0xa80/0xde0
[  289.343989]  ? zap_class+0x640/0x640
[  289.347704]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  289.352806]  ? find_held_lock+0x36/0x1c0
[  289.356877]  ? ____cache_alloc_node+0x1c7/0x1e0
[  289.361563]  ? lock_downgrade+0x900/0x900
[  289.365715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.371250]  cache_grow_begin+0xa5/0x8c0
[  289.375307]  ? do_raw_spin_unlock+0xa7/0x330
[  289.379721]  fallback_alloc+0x204/0x2e0
[  289.383695]  ____cache_alloc_node+0x1c7/0x1e0
[  289.388191]  kmem_cache_alloc_node+0xe3/0x730
[  289.392681]  ? ipv6_get_ifaddr+0x42e/0x620
[  289.396922]  __alloc_skb+0x119/0x770
[  289.400636]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  289.405915]  ? netdev_alloc_frag+0x1f0/0x1f0
[  289.410320]  ? lock_downgrade+0x900/0x900
[  289.414473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.420005]  ? refcount_sub_and_test_checked+0x203/0x310
[  289.425455]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  289.430903]  ? addrconf_rs_timer+0x690/0x690
[  289.435321]  ndisc_alloc_skb+0x144/0x340
[  289.439380]  ndisc_send_rs+0x331/0x6e0
[  289.443270]  addrconf_rs_timer+0x314/0x690
[  289.447508]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.451749]  call_timer_fn+0x272/0x920
[  289.455636]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.459864]  ? process_timeout+0x40/0x40
[  289.463931]  ? mark_held_locks+0xc7/0x130
[  289.468078]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.472564]  ? _raw_spin_unlock_irq+0x27/0x80
[  289.477053]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.481288]  ? lockdep_hardirqs_on+0x296/0x5b0
[  289.485867]  ? trace_hardirqs_on+0xbd/0x310
[  289.490186]  ? kasan_check_read+0x11/0x20
[  289.494328]  ? __run_timers+0x7da/0xc70
[  289.498319]  ? trace_hardirqs_off_caller+0x310/0x310
[  289.503423]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.507656]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  289.511886]  __run_timers+0x7e5/0xc70
[  289.515691]  ? timer_fixup_init+0x70/0x70
[  289.519837]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  289.524852]  ? zap_class+0x640/0x640
[  289.528566]  ? print_usage_bug+0xc0/0xc0
[  289.532643]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  289.537832]  ? find_held_lock+0x36/0x1c0
[  289.541901]  ? zap_class+0x640/0x640
[  289.545623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.551156]  ? check_preemption_disabled+0x48/0x280
[  289.556178]  ? __lock_is_held+0xb5/0x140
[  289.560235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.565770]  ? check_preemption_disabled+0x48/0x280
[  289.570786]  run_timer_softirq+0x52/0xb0
[  289.574844]  ? rcu_read_lock_sched_held+0x14f/0x180
[  289.579858]  __do_softirq+0x308/0xb7e
[  289.583661]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  289.588149]  ? lock_downgrade+0x900/0x900
[  289.592300]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  289.597409]  ? pvclock_read_flags+0x160/0x160
[  289.601901]  ? lapic_next_event+0x5a/0x90
[  289.606060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.611595]  ? kvm_clock_read+0x18/0x30
[  289.615578]  ? kvm_sched_clock_read+0x9/0x20
[  289.619987]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.625521]  ? check_preemption_disabled+0x48/0x280
[  289.630540]  irq_exit+0x17f/0x1c0
[  289.633996]  smp_apic_timer_interrupt+0x1cb/0x760
[  289.638835]  ? smp_call_function_single_interrupt+0x159/0x650
[  289.644721]  ? smp_call_function_single_interrupt+0x650/0x650
[  289.650601]  ? interrupt_entry+0xb5/0xc0
[  289.655014]  ? trace_hardirqs_off_caller+0xbb/0x310
[  289.660022]  ? trace_hardirqs_off_caller+0xbb/0x310
[  289.665043]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.669884]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.674892]  ? trace_hardirqs_on_caller+0x310/0x310
[  289.679935]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  289.684784]  apic_timer_interrupt+0xf/0x20
[  289.689008]  </IRQ>
[  289.691245] RIP: 0010:write_comp_data+0xd/0x70
[  289.695825] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  289.714720] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  289.722422] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  289.729685] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  289.736947] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  289.744208] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  289.751473] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  289.758756]  ? list_lru_count_one+0x36d/0x450
[  289.763257]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  289.768620]  list_lru_count_one+0x36d/0x450
[  289.772939]  ? list_lru_isolate_move+0x3c0/0x3c0
[  289.777691]  ? shmem_free_inode+0xd0/0xd0
[  289.781845]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.787385]  ? ubifs_shrink_count+0xc4/0x100
[  289.791794]  super_cache_count+0x1b9/0x2e0
[  289.796029]  do_shrink_slab+0x1b1/0xd30
[  289.800008]  ? lock_acquire+0x1ed/0x520
[  289.803991]  ? snapshot_refaults+0x290/0x290
[  289.808413]  ? lock_release+0xa00/0xa00
[  289.812387]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  289.817320]  ? down_read_trylock+0xda/0x140
[  289.821646]  ? shrink_slab+0x207/0x8c0
[  289.825528]  ? downgrade_write+0x270/0x270
[  289.829768]  shrink_slab+0x389/0x8c0
[  289.833489]  ? shrink_active_list+0x1f00/0x1f00
[  289.838163]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  289.843784]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  289.848893]  ? cgroup_procs_write_finish+0xf0/0xf0
[  289.853822]  ? find_held_lock+0x36/0x1c0
[  289.857889]  shrink_node+0x431/0x16b0
[  289.861687]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  289.866984]  ? shrink_node_memcg+0x18f0/0x18f0
[  289.871566]  ? kvm_clock_read+0x18/0x30
[  289.875548]  ? ktime_get+0x2c1/0x400
[  289.879272]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  289.883768]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  289.889298]  ? __cpuset_node_allowed+0x19b/0x660
[  289.894051]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  289.899760]  ? delayacct_end+0x5a/0x100
[  289.903743]  do_try_to_free_pages+0x3e7/0x1290
[  289.908320]  ? zap_class+0x640/0x640
[  289.912042]  ? shrink_node+0x16b0/0x16b0
[  289.916100]  ? __lock_is_held+0xb5/0x140
[  289.920169]  try_to_free_pages+0x4d0/0xb90
[  289.924402]  ? do_try_to_free_pages+0x1290/0x1290
[  289.929252]  ? lock_acquire+0x1ed/0x520
[  289.933219]  ? set_page_refcounted+0x280/0x280
[  289.937800]  ? lock_release+0xa00/0xa00
[  289.941770]  ? _raw_spin_unlock_irq+0x60/0x80
[  289.946259]  ? psi_memstall_enter+0x240/0x2b0
[  289.950750]  ? psi_memstall_tick+0x230/0x230
[  289.955173]  __alloc_pages_slowpath+0xa14/0x2e10
[  289.959948]  ? warn_alloc+0x120/0x120
[  289.963742]  ? mark_held_locks+0x130/0x130
[  289.967977]  ? find_get_entry+0xaae/0x1120
[  289.972213]  ? filemap_map_pages+0x1a20/0x1a20
[  289.976797]  ? zap_class+0x640/0x640
[  289.980514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  289.986048]  ? check_preemption_disabled+0x48/0x280
[  289.991062]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.996601]  ? should_fail+0x22d/0xd01
[  290.000487]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.005593]  ? zap_class+0x640/0x640
[  290.009324]  ? __lock_is_held+0xb5/0x140
[  290.013391]  ? mark_held_locks+0x130/0x130
[  290.017627]  ? lock_release+0xa00/0xa00
[  290.021609]  ? perf_trace_sched_process_exec+0x860/0x860
[  290.027055]  ? xa_load+0x2ba/0x460
[  290.030596]  ? lock_downgrade+0x900/0x900
[  290.034741]  ? __might_sleep+0x95/0x190
[  290.038713]  __alloc_pages_nodemask+0xa80/0xde0
[  290.043385]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  290.048396]  ? __page_cache_alloc+0x191/0x5c0
[  290.052886]  ? xa_load+0x2e1/0x460
[  290.056421]  ? xa_clear_mark+0x40/0x40
[  290.060307]  ? zap_class+0x640/0x640
[  290.064037]  ? zap_class+0x640/0x640
[  290.067745]  ? zap_class+0x640/0x640
[  290.071456]  ? __do_page_cache_readahead+0x663/0x810
[  290.076559]  ? find_held_lock+0x36/0x1c0
[  290.080627]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  290.086168]  alloc_pages_current+0x173/0x350
[  290.090581]  __page_cache_alloc+0x38c/0x5c0
[  290.094899]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  290.099830]  ? kasan_check_read+0x11/0x20
[  290.103976]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.109251]  ? generic_perform_write+0x6a0/0x6a0
[  290.114002]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.119539]  ? check_preemption_disabled+0x48/0x280
[  290.124583]  filemap_fault+0x1595/0x25f0
[  290.128654]  ? __lock_page_or_retry+0xa00/0xa00
[  290.133332]  ? mark_held_locks+0x130/0x130
[  290.137575]  ? filemap_map_pages+0xd6b/0x1a20
[  290.142065]  ? lock_downgrade+0x900/0x900
[  290.146209]  ? check_preemption_disabled+0x48/0x280
[  290.151222]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  290.156144]  ? kasan_check_read+0x11/0x20
[  290.160298]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.165574]  ? rcu_softirq_qs+0x20/0x20
[  290.169554]  ? filemap_map_pages+0xd92/0x1a20
[  290.174062]  ? find_get_entries_tag+0x1400/0x1400
[  290.178904]  ? debug_object_destroy+0x2b0/0x2b0
[  290.183575]  ? lock_pi_update_atomic+0x150/0x150
[  290.188325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.193876]  ? lock_acquire+0x1ed/0x520
[  290.197844]  ? ext4_filemap_fault+0x7a/0xad
[  290.202169]  ? lock_release+0xa00/0xa00
[  290.206141]  ? perf_trace_sched_process_exec+0x860/0x860
[  290.211589]  ? print_usage_bug+0xc0/0xc0
[  290.215646]  ? print_usage_bug+0xc0/0xc0
[  290.219802]  ? down_read+0x8d/0x120
[  290.223430]  ? ext4_filemap_fault+0x7a/0xad
[  290.227747]  ? __down_interruptible+0x700/0x700
[  290.232421]  ext4_filemap_fault+0x82/0xad
[  290.236573]  __do_fault+0x100/0x6b0
[  290.240200]  ? pmd_devmap_trans_unstable+0x220/0x220
[  290.245305]  ? mark_held_locks+0x130/0x130
[  290.249540]  ? mark_held_locks+0x130/0x130
[  290.253773]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.259048]  ? rcu_softirq_qs+0x20/0x20
[  290.263026]  ? kasan_check_write+0x14/0x20
[  290.267259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.272795]  __handle_mm_fault+0x3ea0/0x5be0
[  290.277209]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  290.282048]  ? aa_path_link+0x5e0/0x5e0
[  290.286022]  ? ksys_dup3+0x680/0x680
[  290.289741]  ? zap_class+0x640/0x640
[  290.293463]  ? zap_class+0x640/0x640
[  290.297170]  ? __x64_sys_futex+0x53e/0x6a0
[  290.301406]  ? find_held_lock+0x36/0x1c0
[  290.305468]  ? handle_mm_fault+0x42a/0xc70
[  290.309699]  ? lock_downgrade+0x900/0x900
[  290.313844]  ? check_preemption_disabled+0x48/0x280
[  290.318855]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  290.323777]  ? kasan_check_read+0x11/0x20
[  290.327932]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.333205]  ? rcu_softirq_qs+0x20/0x20
[  290.337177]  ? trace_hardirqs_off_caller+0x310/0x310
[  290.342274]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.347810]  ? check_preemption_disabled+0x48/0x280
[  290.352832]  handle_mm_fault+0x54f/0xc70
[  290.356892]  ? __handle_mm_fault+0x5be0/0x5be0
[  290.361473]  ? find_vma+0x34/0x190
[  290.365011]  __do_page_fault+0x5e8/0xe60
[  290.369064]  ? trace_hardirqs_off+0xb8/0x310
[  290.373482]  do_page_fault+0xf2/0x7e0
[  290.377279]  ? vmalloc_sync_all+0x30/0x30
[  290.381423]  ? error_entry+0x70/0xd0
[  290.385138]  ? trace_hardirqs_off_caller+0xbb/0x310
[  290.390147]  ? trace_hardirqs_on_caller+0xc0/0x310
[  290.395071]  ? syscall_return_slowpath+0x5e0/0x5e0
[  290.399993]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.404832]  ? trace_hardirqs_on_caller+0x310/0x310
[  290.409842]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  290.415304]  ? prepare_exit_to_usermode+0x291/0x3b0
[  290.420315]  ? page_fault+0x8/0x30
[  290.423852]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  290.428691]  ? page_fault+0x8/0x30
[  290.432227]  page_fault+0x1e/0x30
[  290.435677] RIP: 0033:0x40f9c0
[  290.438881] Code: Bad RIP value.
[  290.442242] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  290.447600] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  290.454865] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  290.462132] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  290.469404] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  290.476664] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  290.483952] warn_alloc_show_mem: 1 callbacks suppressed
[  290.483961] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  290.483963] Mem-Info:
[  290.483995] active_anon:51741 inactive_anon:192 isolated_anon:0
[  290.483995]  active_file:28 inactive_file:10 isolated_file:0
[  290.483995]  unevictable:0 dirty:0 writeback:0 unstable:0
[  290.483995]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  290.483995]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  290.483995]  free:13684 free_pcp:150 free_cma:0
[  290.489326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  290.489333] Call Trace:
[  290.496604] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  290.498992]  <IRQ>
[  290.531846] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  290.541198]  dump_stack+0x244/0x39d
[  290.543746] lowmem_reserve[]: 0 2818 6321 6321
[  290.571345]  ? dump_stack_print_info.cold.1+0x20/0x20
[  290.573467] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  290.599576]  warn_alloc.cold.116+0xb7/0x1bd
[  290.603162] lowmem_reserve[]: 0 0 3503 3503
[  290.607743]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  290.612903] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  290.640481]  ? lock_downgrade+0x900/0x900
[  290.644776] lowmem_reserve[]: 0 0 0 0
[  290.649093]  ? trace_hardirqs_off+0xb8/0x310
[  290.653898] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  290.682866]  ? trace_hardirqs_off+0xb8/0x310
[  290.686986] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  290.690780]  __alloc_pages_slowpath+0x26e8/0x2e10
[  290.695151] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  290.708691]  ? warn_alloc+0x120/0x120
[  290.713062] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  290.728307]  ? print_usage_bug+0xc0/0xc0
[  290.733125] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  290.748363]  ? warn_alloc+0x120/0x120
[  290.752137] 281 total pagecache pages
[  290.761134]  ? warn_alloc+0x120/0x120
[  290.765175] 0 pages in swap cache
[  290.773731]  ? print_usage_bug+0xc0/0xc0
[  290.777516] Swap cache stats: add 0, delete 0, find 0/0
[  290.781313]  ? print_usage_bug+0xc0/0xc0
[  290.785082] Free swap  = 0kB
[  290.788529]  ? __lock_acquire+0x62f/0x4c20
[  290.792580] Total swap = 0kB
[  290.798487]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  290.802517] 1965979 pages RAM
[  290.805532]  ? should_fail+0x22d/0xd01
[  290.809730] 0 pages HighMem/MovableOnly
[  290.809737] 342854 pages reserved
[  290.812745]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.818254] 0 pages cma reserved
[  290.821349]  ? __lock_acquire+0x62f/0x4c20
[  290.825276] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  290.829163]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  290.829176]  ? __lock_acquire+0x62f/0x4c20
[  290.829190]  ? should_fail+0x22d/0xd01
[  290.832675] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  290.837710]  ? mark_held_locks+0x130/0x130
[  290.841043] syz-fuzzer cpuset=/ mems_allowed=0
[  290.845271]  ? mark_held_locks+0x130/0x130
[  290.888149]  ? zap_class+0x640/0x640
[  290.891868]  ? zap_class+0x640/0x640
[  290.895577]  ? print_usage_bug+0xc0/0xc0
[  290.899637]  ? wq_watchdog_touch+0x9c/0xfe
[  290.903874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.909407]  ? check_preemption_disabled+0x48/0x280
[  290.914435]  ? __lock_is_held+0xb5/0x140
[  290.918505]  __alloc_pages_nodemask+0xa80/0xde0
[  290.923176]  ? zap_class+0x640/0x640
[  290.926895]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  290.931916]  ? find_held_lock+0x36/0x1c0
[  290.935978]  ? ____cache_alloc_node+0x1c7/0x1e0
[  290.940643]  ? lock_downgrade+0x900/0x900
[  290.944791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.950326]  cache_grow_begin+0xa5/0x8c0
[  290.954382]  ? do_raw_spin_unlock+0xa7/0x330
[  290.958796]  fallback_alloc+0x204/0x2e0
[  290.962775]  ____cache_alloc_node+0x1c7/0x1e0
[  290.967277]  kmem_cache_alloc_node+0xe3/0x730
[  290.971772]  ? ipv6_get_ifaddr+0x42e/0x620
[  290.976011]  __alloc_skb+0x119/0x770
[  290.979718]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  290.984992]  ? netdev_alloc_frag+0x1f0/0x1f0
[  290.989394]  ? lock_downgrade+0x900/0x900
[  290.993557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  290.999089]  ? refcount_sub_and_test_checked+0x203/0x310
[  291.004535]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  291.009979]  ? addrconf_rs_timer+0x690/0x690
[  291.014394]  ndisc_alloc_skb+0x144/0x340
[  291.018453]  ndisc_send_rs+0x331/0x6e0
[  291.022347]  addrconf_rs_timer+0x314/0x690
[  291.026584]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.030823]  call_timer_fn+0x272/0x920
[  291.034705]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.038934]  ? process_timeout+0x40/0x40
[  291.043006]  ? __run_timers+0x7da/0xc70
[  291.046977]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.051464]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.055960]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.060197]  ? lockdep_hardirqs_on+0x296/0x5b0
[  291.064780]  ? trace_hardirqs_on+0xbd/0x310
[  291.069098]  ? kasan_check_read+0x11/0x20
[  291.073243]  ? __run_timers+0x7da/0xc70
[  291.077225]  ? trace_hardirqs_off_caller+0x310/0x310
[  291.082342]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.086570]  __run_timers+0x7e5/0xc70
[  291.090373]  ? timer_fixup_init+0x70/0x70
[  291.094525]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  291.099555]  ? zap_class+0x640/0x640
[  291.103268]  ? enqueue_hrtimer+0x1a5/0x560
[  291.107505]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  291.112695]  ? find_held_lock+0x36/0x1c0
[  291.116762]  ? zap_class+0x640/0x640
[  291.120483]  ? pvclock_read_flags+0x160/0x160
[  291.124976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.130513]  ? check_preemption_disabled+0x48/0x280
[  291.135534]  ? __lock_is_held+0xb5/0x140
[  291.139598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.145132]  ? check_preemption_disabled+0x48/0x280
[  291.150148]  run_timer_softirq+0x52/0xb0
[  291.154205]  ? rcu_read_lock_sched_held+0x14f/0x180
[  291.159223]  __do_softirq+0x308/0xb7e
[  291.163123]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  291.167612]  ? lock_downgrade+0x900/0x900
[  291.171758]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  291.176862]  ? pvclock_read_flags+0x160/0x160
[  291.181890]  ? lapic_next_event+0x5a/0x90
[  291.186034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.192099]  ? kvm_clock_read+0x18/0x30
[  291.196070]  ? kvm_sched_clock_read+0x9/0x20
[  291.200484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.206021]  ? check_preemption_disabled+0x48/0x280
[  291.211044]  irq_exit+0x17f/0x1c0
[  291.214502]  smp_apic_timer_interrupt+0x1cb/0x760
[  291.219338]  ? smp_reschedule_interrupt+0x109/0x650
[  291.224348]  ? smp_call_function_single_interrupt+0x650/0x650
[  291.230232]  ? interrupt_entry+0xb5/0xc0
[  291.234376]  ? trace_hardirqs_off_caller+0xbb/0x310
[  291.239390]  ? trace_hardirqs_off_caller+0xbb/0x310
[  291.244417]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.249269]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.254278]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.259288]  ? task_prio+0x50/0x50
[  291.262826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.268360]  ? check_preemption_disabled+0x48/0x280
[  291.273374]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.278243]  apic_timer_interrupt+0xf/0x20
[  291.282471]  </IRQ>
[  291.284707] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  291.289634] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  291.308626] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  291.316864] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  291.324125] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  291.331389] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  291.338653] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  291.345916] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  291.353229]  skb_clone+0x1bb/0x500
[  291.356767]  ? finish_task_switch+0x1b4/0x910
[  291.361260]  ? skb_split+0x11e0/0x11e0
[  291.365145]  ? preempt_notifier_register+0x200/0x200
[  291.370245]  ? __switch_to_asm+0x34/0x70
[  291.374303]  ? __switch_to_asm+0x34/0x70
[  291.378354]  ? __switch_to_asm+0x40/0x70
[  291.382406]  ? __switch_to_asm+0x34/0x70
[  291.386467]  ? __switch_to_asm+0x40/0x70
[  291.390528]  ? __switch_to_asm+0x34/0x70
[  291.394582]  ? __switch_to_asm+0x40/0x70
[  291.398639]  ? __switch_to_asm+0x34/0x70
[  291.402694]  ? __switch_to_asm+0x34/0x70
[  291.406747]  ? __switch_to_asm+0x40/0x70
[  291.410800]  ? __switch_to_asm+0x34/0x70
[  291.414875]  bpf_clone_redirect+0xb9/0x490
[  291.419108]  ? __schedule+0x8d7/0x21d0
[  291.422999]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  291.428013]  ? __sched_text_start+0x8/0x8
[  291.432163]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  291.436747]  ? retint_kernel+0x2d/0x2d
[  291.440636]  ? trace_hardirqs_on_caller+0xc0/0x310
[  291.445566]  ? find_held_lock+0x36/0x1c0
[  291.449630]  ? lock_acquire+0x1ed/0x520
[  291.453601]  ? bpf_test_run+0x3cb/0x780
[  291.457570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.463108]  ? check_preemption_disabled+0x48/0x280
[  291.468124]  ? kasan_check_read+0x11/0x20
[  291.472264]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.477532]  ? rcu_softirq_qs+0x20/0x20
[  291.481506]  ? preempt_schedule+0x4d/0x60
[  291.485649]  ? ___preempt_schedule+0x16/0x18
[  291.490057]  ? bpf_test_run+0x25d/0x780
[  291.494035]  ? netlink_diag_dump+0x2a0/0x2a0
[  291.498452]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.503982]  ? bpf_test_init.isra.10+0x70/0x100
[  291.508650]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  291.513412]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  291.518254]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  291.523786]  ? fput+0x130/0x1a0
[  291.527236]  ? __bpf_prog_get+0x9b/0x290
[  291.531296]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  291.536219]  ? bpf_prog_test_run+0x130/0x1a0
[  291.540625]  ? __x64_sys_bpf+0x3d8/0x520
[  291.544679]  ? bpf_prog_get+0x20/0x20
[  291.548494]  ? do_syscall_64+0x1b9/0x820
[  291.552548]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  291.557907]  ? syscall_return_slowpath+0x5e0/0x5e0
[  291.562834]  ? trace_hardirqs_on_caller+0x310/0x310
[  291.567846]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  291.572861]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  291.579521]  ? __switch_to_asm+0x40/0x70
[  291.583577]  ? __switch_to_asm+0x34/0x70
[  291.587636]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  291.592481]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  291.597858] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  291.597936] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  291.604867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  291.604874] Call Trace:
[  291.611447] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  291.620688]  <IRQ>
[  291.623246] syz-executor2 cpuset=syz2 mems_allowed=0
[  291.634218]  dump_stack+0x244/0x39d
[  291.645047]  ? dump_stack_print_info.cold.1+0x20/0x20
[  291.650244]  warn_alloc.cold.116+0xb7/0x1bd
[  291.654561]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  291.659402]  ? lock_downgrade+0x900/0x900
[  291.663561]  ? trace_hardirqs_off+0xb8/0x310
[  291.667968]  ? trace_hardirqs_off+0xb8/0x310
[  291.672374]  __alloc_pages_slowpath+0x26e8/0x2e10
[  291.677236]  ? warn_alloc+0x120/0x120
[  291.681035]  ? print_usage_bug+0xc0/0xc0
[  291.685090]  ? warn_alloc+0x120/0x120
[  291.688887]  ? warn_alloc+0x120/0x120
[  291.692689]  ? print_usage_bug+0xc0/0xc0
[  291.696754]  ? print_usage_bug+0xc0/0xc0
[  291.700814]  ? __lock_acquire+0x62f/0x4c20
[  291.705052]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  291.710599]  ? should_fail+0x22d/0xd01
[  291.714494]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.719596]  ? __lock_acquire+0x62f/0x4c20
[  291.723827]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  291.728927]  ? __lock_acquire+0x62f/0x4c20
[  291.733154]  ? should_fail+0x22d/0xd01
[  291.737137]  ? find_held_lock+0x36/0x1c0
[  291.741308]  ? mark_held_locks+0x130/0x130
[  291.745546]  ? mark_held_locks+0x130/0x130
[  291.749780]  ? zap_class+0x640/0x640
[  291.753491]  ? zap_class+0x640/0x640
[  291.757202]  ? print_usage_bug+0xc0/0xc0
[  291.761254]  ? do_raw_spin_unlock+0xa7/0x330
[  291.765655]  ? zap_class+0x640/0x640
[  291.769370]  ? print_usage_bug+0xc0/0xc0
[  291.773432]  ? wq_watchdog_touch+0x9c/0xfe
[  291.777667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.783209]  ? check_preemption_disabled+0x48/0x280
[  291.788242]  ? __lock_is_held+0xb5/0x140
[  291.792305]  __alloc_pages_nodemask+0xa80/0xde0
[  291.796972]  ? zap_class+0x640/0x640
[  291.800688]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  291.805709]  ? find_held_lock+0x36/0x1c0
[  291.809773]  ? ____cache_alloc_node+0x1c7/0x1e0
[  291.814440]  ? lock_downgrade+0x900/0x900
[  291.818588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.824128]  cache_grow_begin+0xa5/0x8c0
[  291.828184]  ? do_raw_spin_unlock+0xa7/0x330
[  291.832684]  fallback_alloc+0x204/0x2e0
[  291.836659]  ____cache_alloc_node+0x1c7/0x1e0
[  291.841162]  kmem_cache_alloc_node+0xe3/0x730
[  291.845829]  ? ipv6_get_ifaddr+0x42e/0x620
[  291.850068]  __alloc_skb+0x119/0x770
[  291.853779]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  291.859058]  ? netdev_alloc_frag+0x1f0/0x1f0
[  291.863462]  ? lock_downgrade+0x900/0x900
[  291.867615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  291.873151]  ? refcount_sub_and_test_checked+0x203/0x310
[  291.878598]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  291.884042]  ? addrconf_rs_timer+0x690/0x690
[  291.888458]  ndisc_alloc_skb+0x144/0x340
[  291.892516]  ndisc_send_rs+0x331/0x6e0
[  291.896410]  addrconf_rs_timer+0x314/0x690
[  291.900645]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.904887]  call_timer_fn+0x272/0x920
[  291.908768]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.912996]  ? process_timeout+0x40/0x40
[  291.917063]  ? mark_held_locks+0xc7/0x130
[  291.921206]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.925716]  ? _raw_spin_unlock_irq+0x27/0x80
[  291.930205]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.934436]  ? lockdep_hardirqs_on+0x296/0x5b0
[  291.939014]  ? trace_hardirqs_on+0xbd/0x310
[  291.943331]  ? kasan_check_read+0x11/0x20
[  291.947476]  ? __run_timers+0x7da/0xc70
[  291.951446]  ? trace_hardirqs_off_caller+0x310/0x310
[  291.956550]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.960784]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  291.965014]  __run_timers+0x7e5/0xc70
[  291.968819]  ? timer_fixup_init+0x70/0x70
[  291.972964]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  291.978055]  ? zap_class+0x640/0x640
[  291.981767]  ? print_usage_bug+0xc0/0xc0
[  291.985823]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  291.991021]  ? find_held_lock+0x36/0x1c0
[  291.995080]  ? zap_class+0x640/0x640
[  291.998793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.004324]  ? check_preemption_disabled+0x48/0x280
[  292.009340]  ? __lock_is_held+0xb5/0x140
[  292.013405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.018940]  ? check_preemption_disabled+0x48/0x280
[  292.023954]  run_timer_softirq+0x52/0xb0
[  292.028015]  ? rcu_read_lock_sched_held+0x14f/0x180
[  292.033027]  __do_softirq+0x308/0xb7e
[  292.036828]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  292.041319]  ? lock_downgrade+0x900/0x900
[  292.045463]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  292.050588]  ? pvclock_read_flags+0x160/0x160
[  292.055079]  ? lapic_next_event+0x5a/0x90
[  292.059223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.064760]  ? kvm_clock_read+0x18/0x30
[  292.068728]  ? kvm_sched_clock_read+0x9/0x20
[  292.073133]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.078670]  ? check_preemption_disabled+0x48/0x280
[  292.083688]  irq_exit+0x17f/0x1c0
[  292.087140]  smp_apic_timer_interrupt+0x1cb/0x760
[  292.091975]  ? smp_call_function_single_interrupt+0x159/0x650
[  292.097859]  ? smp_call_function_single_interrupt+0x650/0x650
[  292.103738]  ? interrupt_entry+0xb5/0xc0
[  292.107799]  ? trace_hardirqs_off_caller+0xbb/0x310
[  292.112811]  ? trace_hardirqs_off_caller+0xbb/0x310
[  292.117822]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.122662]  ? trace_hardirqs_on_caller+0x310/0x310
[  292.127677]  ? trace_hardirqs_on_caller+0x310/0x310
[  292.132699]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.137542]  apic_timer_interrupt+0xf/0x20
[  292.141765]  </IRQ>
[  292.143997] RIP: 0010:write_comp_data+0xd/0x70
[  292.148577] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  292.167483] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  292.175187] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  292.182452] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  292.189712] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  292.196973] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  292.204238] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  292.211518]  ? list_lru_count_one+0x36d/0x450
[  292.216019]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  292.221389]  list_lru_count_one+0x36d/0x450
[  292.225710]  ? list_lru_isolate_move+0x3c0/0x3c0
[  292.230462]  ? shmem_free_inode+0xd0/0xd0
[  292.234607]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.240146]  ? ubifs_shrink_count+0xc4/0x100
[  292.244651]  super_cache_count+0x1b9/0x2e0
[  292.248885]  do_shrink_slab+0x1b1/0xd30
[  292.252862]  ? lock_acquire+0x1ed/0x520
[  292.257527]  ? snapshot_refaults+0x290/0x290
[  292.261931]  ? lock_release+0xa00/0xa00
[  292.265906]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  292.270837]  ? down_read_trylock+0xda/0x140
[  292.275154]  ? shrink_slab+0x207/0x8c0
[  292.279037]  ? downgrade_write+0x270/0x270
[  292.283289]  shrink_slab+0x389/0x8c0
[  292.287007]  ? shrink_active_list+0x1f00/0x1f00
[  292.292206]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  292.297828]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  292.302935]  ? cgroup_procs_write_finish+0xf0/0xf0
[  292.307867]  ? find_held_lock+0x36/0x1c0
[  292.311928]  shrink_node+0x431/0x16b0
[  292.315725]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  292.321020]  ? shrink_node_memcg+0x18f0/0x18f0
[  292.325599]  ? kvm_clock_read+0x18/0x30
[  292.329570]  ? ktime_get+0x2c1/0x400
[  292.333288]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  292.337781]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  292.343312]  ? __cpuset_node_allowed+0x19b/0x660
[  292.348068]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  292.353773]  ? delayacct_end+0x5a/0x100
[  292.357749]  do_try_to_free_pages+0x3e7/0x1290
[  292.362323]  ? zap_class+0x640/0x640
[  292.366046]  ? shrink_node+0x16b0/0x16b0
[  292.370106]  ? __lock_is_held+0xb5/0x140
[  292.374178]  try_to_free_pages+0x4d0/0xb90
[  292.378412]  ? do_try_to_free_pages+0x1290/0x1290
[  292.383261]  ? lock_acquire+0x1ed/0x520
[  292.387229]  ? set_page_refcounted+0x280/0x280
[  292.391815]  ? lock_release+0xa00/0xa00
[  292.395795]  ? _raw_spin_unlock_irq+0x60/0x80
[  292.400296]  ? psi_memstall_enter+0x240/0x2b0
[  292.404786]  ? psi_memstall_tick+0x230/0x230
[  292.409203]  __alloc_pages_slowpath+0xa14/0x2e10
[  292.413978]  ? warn_alloc+0x120/0x120
[  292.417775]  ? mark_held_locks+0x130/0x130
[  292.422009]  ? find_get_entry+0xaae/0x1120
[  292.426246]  ? filemap_map_pages+0x1a20/0x1a20
[  292.430831]  ? zap_class+0x640/0x640
[  292.434548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.440085]  ? check_preemption_disabled+0x48/0x280
[  292.445095]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.450630]  ? should_fail+0x22d/0xd01
[  292.454518]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  292.459625]  ? zap_class+0x640/0x640
[  292.463365]  ? __lock_is_held+0xb5/0x140
[  292.467430]  ? mark_held_locks+0x130/0x130
[  292.471666]  ? lock_release+0xa00/0xa00
[  292.475640]  ? perf_trace_sched_process_exec+0x860/0x860
[  292.481086]  ? xa_load+0x2ba/0x460
[  292.484630]  ? lock_downgrade+0x900/0x900
[  292.488777]  ? __might_sleep+0x95/0x190
[  292.492753]  __alloc_pages_nodemask+0xa80/0xde0
[  292.497423]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  292.502434]  ? __page_cache_alloc+0x191/0x5c0
[  292.506922]  ? xa_load+0x2e1/0x460
[  292.510457]  ? xa_clear_mark+0x40/0x40
[  292.514351]  ? zap_class+0x640/0x640
[  292.518069]  ? zap_class+0x640/0x640
[  292.521778]  ? zap_class+0x640/0x640
[  292.525486]  ? __do_page_cache_readahead+0x663/0x810
[  292.530588]  ? find_held_lock+0x36/0x1c0
[  292.534657]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  292.540195]  alloc_pages_current+0x173/0x350
[  292.544607]  __page_cache_alloc+0x38c/0x5c0
[  292.548922]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  292.553849]  ? kasan_check_read+0x11/0x20
[  292.557991]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.563290]  ? generic_perform_write+0x6a0/0x6a0
[  292.568041]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.573589]  ? check_preemption_disabled+0x48/0x280
[  292.578623]  filemap_fault+0x1595/0x25f0
[  292.582690]  ? __lock_page_or_retry+0xa00/0xa00
[  292.587365]  ? mark_held_locks+0x130/0x130
[  292.591606]  ? filemap_map_pages+0xd6b/0x1a20
[  292.596101]  ? lock_downgrade+0x900/0x900
[  292.600243]  ? check_preemption_disabled+0x48/0x280
[  292.605258]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  292.610186]  ? kasan_check_read+0x11/0x20
[  292.614331]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.619613]  ? rcu_softirq_qs+0x20/0x20
[  292.623597]  ? filemap_map_pages+0xd92/0x1a20
[  292.628358]  ? find_get_entries_tag+0x1400/0x1400
[  292.633202]  ? debug_object_destroy+0x2b0/0x2b0
[  292.637868]  ? lock_pi_update_atomic+0x150/0x150
[  292.642621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  292.648165]  ? lock_acquire+0x1ed/0x520
[  292.652133]  ? ext4_filemap_fault+0x7a/0xad
[  292.656454]  ? lock_release+0xa00/0xa00
[  292.660426]  ? perf_trace_sched_process_exec+0x860/0x860
[  292.665885]  ? print_usage_bug+0xc0/0xc0
[  292.669942]  ? print_usage_bug+0xc0/0xc0
[  292.674008]  ? down_read+0x8d/0x120
[  292.677629]  ? ext4_filemap_fault+0x7a/0xad
[  292.681947]  ? __down_interruptible+0x700/0x700
[  292.686629]  ext4_filemap_fault+0x82/0xad
[  292.690774]  __do_fault+0x100/0x6b0
[  292.694412]  ? pmd_devmap_trans_unstable+0x220/0x220
[  292.699512]  ? mark_held_locks+0x130/0x130
[  292.703746]  ? mark_held_locks+0x130/0x130
[  292.707972]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.713242]  ? rcu_softirq_qs+0x20/0x20
[  292.717216]  ? kasan_check_write+0x14/0x20
[  292.721452]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.726990]  __handle_mm_fault+0x3ea0/0x5be0
[  292.731400]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  292.736239]  ? aa_path_link+0x5e0/0x5e0
[  292.740214]  ? ksys_dup3+0x680/0x680
[  292.743938]  ? zap_class+0x640/0x640
[  292.747645]  ? zap_class+0x640/0x640
[  292.751357]  ? __x64_sys_futex+0x53e/0x6a0
[  292.755595]  ? find_held_lock+0x36/0x1c0
[  292.759661]  ? handle_mm_fault+0x42a/0xc70
[  292.763890]  ? lock_downgrade+0x900/0x900
[  292.768035]  ? check_preemption_disabled+0x48/0x280
[  292.773048]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  292.777975]  ? kasan_check_read+0x11/0x20
[  292.782115]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  292.787394]  ? rcu_softirq_qs+0x20/0x20
[  292.791364]  ? trace_hardirqs_off_caller+0x310/0x310
[  292.796749]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  292.802286]  ? check_preemption_disabled+0x48/0x280
[  292.807312]  handle_mm_fault+0x54f/0xc70
[  292.811379]  ? __handle_mm_fault+0x5be0/0x5be0
[  292.815961]  ? find_vma+0x34/0x190
[  292.819502]  __do_page_fault+0x5e8/0xe60
[  292.823563]  ? trace_hardirqs_off+0xb8/0x310
[  292.827978]  do_page_fault+0xf2/0x7e0
[  292.831774]  ? vmalloc_sync_all+0x30/0x30
[  292.835916]  ? error_entry+0x70/0xd0
[  292.839623]  ? trace_hardirqs_off_caller+0xbb/0x310
[  292.844635]  ? trace_hardirqs_on_caller+0xc0/0x310
[  292.849561]  ? syscall_return_slowpath+0x5e0/0x5e0
[  292.854489]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.859335]  ? trace_hardirqs_on_caller+0x310/0x310
[  292.864348]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  292.869797]  ? prepare_exit_to_usermode+0x291/0x3b0
[  292.874805]  ? page_fault+0x8/0x30
[  292.878345]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  292.883182]  ? page_fault+0x8/0x30
[  292.886722]  page_fault+0x1e/0x30
[  292.890178] RIP: 0033:0x40f9c0
[  292.893382] Code: Bad RIP value.
[  292.896739] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  292.902094] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  292.909365] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  292.916656] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  292.923922] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  292.931196] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  292.938476] warn_alloc_show_mem: 1 callbacks suppressed
[  292.938486] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  292.938488] Mem-Info:
[  292.938519] active_anon:51741 inactive_anon:192 isolated_anon:0
[  292.938519]  active_file:28 inactive_file:10 isolated_file:0
[  292.938519]  unevictable:0 dirty:0 writeback:0 unstable:0
[  292.938519]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  292.938519]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  292.938519]  free:13684 free_pcp:150 free_cma:0
[  292.943849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  292.943856] Call Trace:
[  292.951128] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  292.953515]  <IRQ>
[  292.986368] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  292.995717]  dump_stack+0x244/0x39d
[  292.998271] lowmem_reserve[]: 0 2818 6321 6321
[  293.025845]  ? dump_stack_print_info.cold.1+0x20/0x20
[  293.027967] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  293.054078]  warn_alloc.cold.116+0xb7/0x1bd
[  293.057653] lowmem_reserve[]: 0 0 3503 3503
[  293.062233]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  293.067393] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  293.095061]  ? lock_downgrade+0x900/0x900
[  293.099349] lowmem_reserve[]: 0 0 0 0
[  293.103667]  ? trace_hardirqs_off+0xb8/0x310
[  293.108476] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  293.137355]  ? trace_hardirqs_off+0xb8/0x310
[  293.141469] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  293.145262]  __alloc_pages_slowpath+0x26e8/0x2e10
[  293.149632] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  293.163175]  ? warn_alloc+0x120/0x120
[  293.167540] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  293.182779]  ? print_usage_bug+0xc0/0xc0
[  293.187596] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  293.202835]  ? warn_alloc+0x120/0x120
[  293.206608] 281 total pagecache pages
[  293.215429]  ? warn_alloc+0x120/0x120
[  293.219471] 0 pages in swap cache
[  293.228041]  ? print_usage_bug+0xc0/0xc0
[  293.231806] Swap cache stats: add 0, delete 0, find 0/0
[  293.231813] Free swap  = 0kB
[  293.235601]  ? kvm_clock_read+0x18/0x30
[  293.239370] Total swap = 0kB
[  293.242810]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  293.246839] 1965979 pages RAM
[  293.252186]  ? print_usage_bug+0xc0/0xc0
[  293.255172] 0 pages HighMem/MovableOnly
[  293.255180] 342854 pages reserved
[  293.259139]  ? __lock_acquire+0x62f/0x4c20
[  293.262126] 0 pages cma reserved
[  293.267128]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.270273] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  293.274253]  ? should_fail+0x22d/0xd01
[  293.278291] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  293.281637]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.285839] syz-fuzzer cpuset=/ mems_allowed=0
[  293.289191]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.330168]  ? __lock_acquire+0x62f/0x4c20
[  293.334402]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  293.339498]  ? __lock_acquire+0x62f/0x4c20
[  293.343723]  ? should_fail+0x22d/0xd01
[  293.347604]  ? rcu_irq_exit+0x1a2/0x390
[  293.351579]  ? mark_held_locks+0x130/0x130
[  293.355812]  ? mark_held_locks+0x130/0x130
[  293.360049]  ? mark_held_locks+0xc7/0x130
[  293.364629]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  293.369644]  ? zap_class+0x640/0x640
[  293.373351]  ? print_usage_bug+0xc0/0xc0
[  293.377412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.382947]  ? check_preemption_disabled+0x48/0x280
[  293.387963]  ? __lock_is_held+0xb5/0x140
[  293.392030]  __alloc_pages_nodemask+0xa80/0xde0
[  293.396694]  ? zap_class+0x640/0x640
[  293.400410]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  293.405429]  ? find_held_lock+0x36/0x1c0
[  293.409495]  ? ____cache_alloc_node+0x1c7/0x1e0
[  293.414162]  ? lock_downgrade+0x900/0x900
[  293.418312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.423849]  cache_grow_begin+0xa5/0x8c0
[  293.427905]  ? do_raw_spin_unlock+0xa7/0x330
[  293.432318]  fallback_alloc+0x204/0x2e0
[  293.436298]  ____cache_alloc_node+0x1c7/0x1e0
[  293.440792]  kmem_cache_alloc_node+0xe3/0x730
[  293.445288]  ? ipv6_get_ifaddr+0x42e/0x620
[  293.449528]  __alloc_skb+0x119/0x770
[  293.453234]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.458520]  ? netdev_alloc_frag+0x1f0/0x1f0
[  293.462922]  ? lock_downgrade+0x900/0x900
[  293.467071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.472601]  ? refcount_sub_and_test_checked+0x203/0x310
[  293.478138]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  293.483584]  ? addrconf_rs_timer+0x690/0x690
[  293.487994]  ndisc_alloc_skb+0x144/0x340
[  293.492057]  ndisc_send_rs+0x331/0x6e0
[  293.495943]  addrconf_rs_timer+0x314/0x690
[  293.500179]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.504419]  call_timer_fn+0x272/0x920
[  293.508299]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.512531]  ? process_timeout+0x40/0x40
[  293.516599]  ? __run_timers+0x7da/0xc70
[  293.520590]  ? _raw_spin_unlock_irq+0x27/0x80
[  293.525080]  ? _raw_spin_unlock_irq+0x27/0x80
[  293.529567]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.533801]  ? lockdep_hardirqs_on+0x296/0x5b0
[  293.538382]  ? trace_hardirqs_on+0xbd/0x310
[  293.542698]  ? kasan_check_read+0x11/0x20
[  293.546840]  ? __run_timers+0x7da/0xc70
[  293.550812]  ? trace_hardirqs_off_caller+0x310/0x310
[  293.555913]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.560147]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  293.564374]  __run_timers+0x7e5/0xc70
[  293.568180]  ? timer_fixup_init+0x70/0x70
[  293.572334]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  293.577345]  ? zap_class+0x640/0x640
[  293.581054]  ? enqueue_hrtimer+0x1a5/0x560
[  293.585285]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  293.590475]  ? find_held_lock+0x36/0x1c0
[  293.594535]  ? zap_class+0x640/0x640
[  293.598259]  ? pvclock_read_flags+0x160/0x160
[  293.602752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.608290]  ? check_preemption_disabled+0x48/0x280
[  293.613312]  ? __lock_is_held+0xb5/0x140
[  293.617377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.622911]  ? check_preemption_disabled+0x48/0x280
[  293.628260]  run_timer_softirq+0x52/0xb0
[  293.632321]  ? rcu_read_lock_sched_held+0x14f/0x180
[  293.637335]  __do_softirq+0x308/0xb7e
[  293.641133]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  293.645627]  ? lock_downgrade+0x900/0x900
[  293.649776]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  293.654880]  ? pvclock_read_flags+0x160/0x160
[  293.659375]  ? lapic_next_event+0x5a/0x90
[  293.663520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.669056]  ? kvm_clock_read+0x18/0x30
[  293.673029]  ? kvm_sched_clock_read+0x9/0x20
[  293.677435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.682971]  ? check_preemption_disabled+0x48/0x280
[  293.687999]  irq_exit+0x17f/0x1c0
[  293.691447]  smp_apic_timer_interrupt+0x1cb/0x760
[  293.696286]  ? smp_reschedule_interrupt+0x109/0x650
[  293.701298]  ? smp_call_function_single_interrupt+0x650/0x650
[  293.707174]  ? interrupt_entry+0xb5/0xc0
[  293.711245]  ? trace_hardirqs_off_caller+0xbb/0x310
[  293.716264]  ? trace_hardirqs_off_caller+0xbb/0x310
[  293.721277]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.726124]  ? trace_hardirqs_on_caller+0x310/0x310
[  293.731137]  ? trace_hardirqs_on_caller+0x310/0x310
[  293.736145]  ? task_prio+0x50/0x50
[  293.739680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.745215]  ? check_preemption_disabled+0x48/0x280
[  293.750246]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  293.755093]  apic_timer_interrupt+0xf/0x20
[  293.759321]  </IRQ>
[  293.761554] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  293.766483] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  293.785378] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  293.793077] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  293.800337] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  293.807597] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  293.814858] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  293.822211] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  293.829517]  skb_clone+0x1bb/0x500
[  293.833055]  ? finish_task_switch+0x1b4/0x910
[  293.837545]  ? skb_split+0x11e0/0x11e0
[  293.841445]  ? preempt_notifier_register+0x200/0x200
[  293.846542]  ? __switch_to_asm+0x34/0x70
[  293.850601]  ? __switch_to_asm+0x34/0x70
[  293.854658]  ? __switch_to_asm+0x40/0x70
[  293.858709]  ? __switch_to_asm+0x34/0x70
[  293.862765]  ? __switch_to_asm+0x40/0x70
[  293.866819]  ? __switch_to_asm+0x34/0x70
[  293.870873]  ? __switch_to_asm+0x40/0x70
[  293.874930]  ? __switch_to_asm+0x34/0x70
[  293.878988]  ? __switch_to_asm+0x34/0x70
[  293.883040]  ? __switch_to_asm+0x40/0x70
[  293.887093]  ? __switch_to_asm+0x34/0x70
[  293.891153]  bpf_clone_redirect+0xb9/0x490
[  293.895382]  ? __schedule+0x8d7/0x21d0
[  293.899269]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  293.904286]  ? __sched_text_start+0x8/0x8
[  293.908446]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  293.913021]  ? retint_kernel+0x2d/0x2d
[  293.916908]  ? trace_hardirqs_on_caller+0xc0/0x310
[  293.921839]  ? find_held_lock+0x36/0x1c0
[  293.925900]  ? lock_acquire+0x1ed/0x520
[  293.929870]  ? bpf_test_run+0x3cb/0x780
[  293.933838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  293.939370]  ? check_preemption_disabled+0x48/0x280
[  293.944386]  ? kasan_check_read+0x11/0x20
[  293.948527]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  293.953811]  ? rcu_softirq_qs+0x20/0x20
[  293.957780]  ? preempt_schedule+0x4d/0x60
[  293.961924]  ? ___preempt_schedule+0x16/0x18
[  293.966332]  ? bpf_test_run+0x25d/0x780
[  293.970312]  ? netlink_diag_dump+0x2a0/0x2a0
[  293.974727]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  293.980263]  ? bpf_test_init.isra.10+0x70/0x100
[  293.984931]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  293.989690]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  293.994526]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  294.000057]  ? fput+0x130/0x1a0
[  294.003342]  ? __bpf_prog_get+0x9b/0x290
[  294.007400]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  294.012236]  ? bpf_prog_test_run+0x130/0x1a0
[  294.016640]  ? __x64_sys_bpf+0x3d8/0x520
[  294.020696]  ? bpf_prog_get+0x20/0x20
[  294.024512]  ? do_syscall_64+0x1b9/0x820
[  294.028564]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  294.033924]  ? syscall_return_slowpath+0x5e0/0x5e0
[  294.038853]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.043866]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  294.048884]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  294.055546]  ? __switch_to_asm+0x40/0x70
[  294.059598]  ? __switch_to_asm+0x34/0x70
[  294.063663]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.068514]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  294.073900] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  294.073989] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  294.080918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  294.080923] Call Trace:
[  294.080929]  <IRQ>
[  294.080948]  dump_stack+0x244/0x39d
[  294.080966]  ? dump_stack_print_info.cold.1+0x20/0x20
[  294.087518] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  294.096785]  warn_alloc.cold.116+0xb7/0x1bd
[  294.099333] syz-executor2 cpuset=syz2 mems_allowed=0
[  294.101476]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  294.134933]  ? lock_downgrade+0x900/0x900
[  294.139103]  ? trace_hardirqs_off+0xb8/0x310
[  294.143512]  ? trace_hardirqs_off+0xb8/0x310
[  294.147943]  __alloc_pages_slowpath+0x26e8/0x2e10
[  294.152822]  ? warn_alloc+0x120/0x120
[  294.156623]  ? print_usage_bug+0xc0/0xc0
[  294.160683]  ? warn_alloc+0x120/0x120
[  294.164483]  ? warn_alloc+0x120/0x120
[  294.168280]  ? print_usage_bug+0xc0/0xc0
[  294.172337]  ? kvm_clock_read+0x18/0x30
[  294.176311]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  294.181419]  ? print_usage_bug+0xc0/0xc0
[  294.185479]  ? __lock_acquire+0x62f/0x4c20
[  294.189715]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.195248]  ? should_fail+0x22d/0xd01
[  294.199128]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.204577]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.209676]  ? __lock_acquire+0x62f/0x4c20
[  294.213913]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.219010]  ? __lock_acquire+0x62f/0x4c20
[  294.223351]  ? should_fail+0x22d/0xd01
[  294.227232]  ? rcu_irq_exit+0x1a2/0x390
[  294.231220]  ? mark_held_locks+0x130/0x130
[  294.235458]  ? mark_held_locks+0x130/0x130
[  294.239694]  ? mark_held_locks+0xc7/0x130
[  294.243836]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  294.248848]  ? zap_class+0x640/0x640
[  294.252556]  ? print_usage_bug+0xc0/0xc0
[  294.256614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.262149]  ? check_preemption_disabled+0x48/0x280
[  294.267166]  ? __lock_is_held+0xb5/0x140
[  294.271236]  __alloc_pages_nodemask+0xa80/0xde0
[  294.275899]  ? zap_class+0x640/0x640
[  294.279615]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  294.284639]  ? find_held_lock+0x36/0x1c0
[  294.288707]  ? ____cache_alloc_node+0x1c7/0x1e0
[  294.293370]  ? lock_downgrade+0x900/0x900
[  294.297519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.303057]  cache_grow_begin+0xa5/0x8c0
[  294.307111]  ? do_raw_spin_unlock+0xa7/0x330
[  294.311521]  fallback_alloc+0x204/0x2e0
[  294.315502]  ____cache_alloc_node+0x1c7/0x1e0
[  294.320001]  kmem_cache_alloc_node+0xe3/0x730
[  294.324495]  ? ipv6_get_ifaddr+0x42e/0x620
[  294.328738]  __alloc_skb+0x119/0x770
[  294.332454]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  294.337729]  ? netdev_alloc_frag+0x1f0/0x1f0
[  294.342132]  ? lock_downgrade+0x900/0x900
[  294.346288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.351829]  ? refcount_sub_and_test_checked+0x203/0x310
[  294.357281]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  294.362726]  ? addrconf_rs_timer+0x690/0x690
[  294.367141]  ndisc_alloc_skb+0x144/0x340
[  294.371214]  ndisc_send_rs+0x331/0x6e0
[  294.375103]  addrconf_rs_timer+0x314/0x690
[  294.379338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.383576]  call_timer_fn+0x272/0x920
[  294.387461]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.391688]  ? process_timeout+0x40/0x40
[  294.395751]  ? mark_held_locks+0xc7/0x130
[  294.399897]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.404386]  ? _raw_spin_unlock_irq+0x27/0x80
[  294.408876]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.413107]  ? lockdep_hardirqs_on+0x296/0x5b0
[  294.417688]  ? trace_hardirqs_on+0xbd/0x310
[  294.422018]  ? kasan_check_read+0x11/0x20
[  294.426159]  ? __run_timers+0x7da/0xc70
[  294.430134]  ? trace_hardirqs_off_caller+0x310/0x310
[  294.435246]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.439480]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  294.443706]  __run_timers+0x7e5/0xc70
[  294.447511]  ? timer_fixup_init+0x70/0x70
[  294.451656]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  294.456668]  ? zap_class+0x640/0x640
[  294.460380]  ? print_usage_bug+0xc0/0xc0
[  294.464444]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  294.469636]  ? find_held_lock+0x36/0x1c0
[  294.473694]  ? zap_class+0x640/0x640
[  294.477417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.482955]  ? check_preemption_disabled+0x48/0x280
[  294.487972]  ? __lock_is_held+0xb5/0x140
[  294.492032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.497568]  ? check_preemption_disabled+0x48/0x280
[  294.502580]  run_timer_softirq+0x52/0xb0
[  294.506638]  ? rcu_read_lock_sched_held+0x14f/0x180
[  294.511649]  __do_softirq+0x308/0xb7e
[  294.515449]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  294.519952]  ? lock_downgrade+0x900/0x900
[  294.524101]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  294.529209]  ? pvclock_read_flags+0x160/0x160
[  294.533702]  ? lapic_next_event+0x5a/0x90
[  294.537845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.543385]  ? kvm_clock_read+0x18/0x30
[  294.547356]  ? kvm_sched_clock_read+0x9/0x20
[  294.551758]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.557294]  ? check_preemption_disabled+0x48/0x280
[  294.562311]  irq_exit+0x17f/0x1c0
[  294.565759]  smp_apic_timer_interrupt+0x1cb/0x760
[  294.570595]  ? smp_call_function_single_interrupt+0x159/0x650
[  294.576473]  ? smp_call_function_single_interrupt+0x650/0x650
[  294.582353]  ? interrupt_entry+0xb5/0xc0
[  294.586410]  ? trace_hardirqs_off_caller+0xbb/0x310
[  294.591430]  ? trace_hardirqs_off_caller+0xbb/0x310
[  294.596448]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.601289]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.606301]  ? trace_hardirqs_on_caller+0x310/0x310
[  294.611327]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  294.616185]  apic_timer_interrupt+0xf/0x20
[  294.620416]  </IRQ>
[  294.622647] RIP: 0010:write_comp_data+0xd/0x70
[  294.627231] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  294.646137] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  294.653847] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  294.661108] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  294.668373] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  294.675634] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  294.682897] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  294.690185]  ? list_lru_count_one+0x36d/0x450
[  294.694697]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  294.700059]  list_lru_count_one+0x36d/0x450
[  294.704377]  ? list_lru_isolate_move+0x3c0/0x3c0
[  294.709133]  ? shmem_free_inode+0xd0/0xd0
[  294.713291]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.718830]  ? ubifs_shrink_count+0xc4/0x100
[  294.723249]  super_cache_count+0x1b9/0x2e0
[  294.727482]  do_shrink_slab+0x1b1/0xd30
[  294.731461]  ? lock_acquire+0x1ed/0x520
[  294.735436]  ? snapshot_refaults+0x290/0x290
[  294.739849]  ? lock_release+0xa00/0xa00
[  294.743832]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  294.748945]  ? down_read_trylock+0xda/0x140
[  294.753262]  ? shrink_slab+0x207/0x8c0
[  294.757152]  ? downgrade_write+0x270/0x270
[  294.761404]  shrink_slab+0x389/0x8c0
[  294.765112]  ? shrink_active_list+0x1f00/0x1f00
[  294.769788]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  294.775419]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  294.780543]  ? cgroup_procs_write_finish+0xf0/0xf0
[  294.785476]  ? find_held_lock+0x36/0x1c0
[  294.789543]  shrink_node+0x431/0x16b0
[  294.793634]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  294.798930]  ? shrink_node_memcg+0x18f0/0x18f0
[  294.803515]  ? kvm_clock_read+0x18/0x30
[  294.807488]  ? ktime_get+0x2c1/0x400
[  294.811210]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  294.815707]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  294.821239]  ? __cpuset_node_allowed+0x19b/0x660
[  294.825995]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  294.831705]  ? delayacct_end+0x5a/0x100
[  294.835682]  do_try_to_free_pages+0x3e7/0x1290
[  294.840263]  ? zap_class+0x640/0x640
[  294.843990]  ? shrink_node+0x16b0/0x16b0
[  294.848046]  ? __lock_is_held+0xb5/0x140
[  294.852112]  try_to_free_pages+0x4d0/0xb90
[  294.856350]  ? do_try_to_free_pages+0x1290/0x1290
[  294.861201]  ? lock_acquire+0x1ed/0x520
[  294.865169]  ? set_page_refcounted+0x280/0x280
[  294.869749]  ? lock_release+0xa00/0xa00
[  294.873717]  ? _raw_spin_unlock_irq+0x60/0x80
[  294.878210]  ? psi_memstall_enter+0x240/0x2b0
[  294.882700]  ? psi_memstall_tick+0x230/0x230
[  294.887113]  __alloc_pages_slowpath+0xa14/0x2e10
[  294.891894]  ? warn_alloc+0x120/0x120
[  294.895688]  ? mark_held_locks+0x130/0x130
[  294.899922]  ? find_get_entry+0xaae/0x1120
[  294.904165]  ? filemap_map_pages+0x1a20/0x1a20
[  294.908749]  ? zap_class+0x640/0x640
[  294.912462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  294.917999]  ? check_preemption_disabled+0x48/0x280
[  294.923010]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  294.928541]  ? should_fail+0x22d/0xd01
[  294.932430]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  294.937540]  ? zap_class+0x640/0x640
[  294.941272]  ? __lock_is_held+0xb5/0x140
[  294.945336]  ? mark_held_locks+0x130/0x130
[  294.949567]  ? lock_release+0xa00/0xa00
[  294.953541]  ? perf_trace_sched_process_exec+0x860/0x860
[  294.958993]  ? xa_load+0x2ba/0x460
[  294.962530]  ? lock_downgrade+0x900/0x900
[  294.966675]  ? __might_sleep+0x95/0x190
[  294.970646]  __alloc_pages_nodemask+0xa80/0xde0
[  294.975314]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  294.980324]  ? __page_cache_alloc+0x191/0x5c0
[  294.984815]  ? xa_load+0x2e1/0x460
[  294.988350]  ? xa_clear_mark+0x40/0x40
[  294.992235]  ? zap_class+0x640/0x640
[  294.995952]  ? zap_class+0x640/0x640
[  294.999658]  ? zap_class+0x640/0x640
[  295.003364]  ? __do_page_cache_readahead+0x663/0x810
[  295.008476]  ? find_held_lock+0x36/0x1c0
[  295.012534]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  295.018084]  alloc_pages_current+0x173/0x350
[  295.022502]  __page_cache_alloc+0x38c/0x5c0
[  295.026821]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  295.031746]  ? kasan_check_read+0x11/0x20
[  295.035886]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.041157]  ? generic_perform_write+0x6a0/0x6a0
[  295.045909]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.051443]  ? check_preemption_disabled+0x48/0x280
[  295.056462]  filemap_fault+0x1595/0x25f0
[  295.060531]  ? __lock_page_or_retry+0xa00/0xa00
[  295.065202]  ? mark_held_locks+0x130/0x130
[  295.069439]  ? filemap_map_pages+0xd6b/0x1a20
[  295.073936]  ? lock_downgrade+0x900/0x900
[  295.078081]  ? check_preemption_disabled+0x48/0x280
[  295.083104]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  295.088035]  ? kasan_check_read+0x11/0x20
[  295.092177]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.097451]  ? rcu_softirq_qs+0x20/0x20
[  295.101429]  ? filemap_map_pages+0xd92/0x1a20
[  295.105928]  ? find_get_entries_tag+0x1400/0x1400
[  295.110766]  ? debug_object_destroy+0x2b0/0x2b0
[  295.115436]  ? lock_pi_update_atomic+0x150/0x150
[  295.120184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.125726]  ? lock_acquire+0x1ed/0x520
[  295.129695]  ? ext4_filemap_fault+0x7a/0xad
[  295.134019]  ? lock_release+0xa00/0xa00
[  295.137986]  ? perf_trace_sched_process_exec+0x860/0x860
[  295.143431]  ? print_usage_bug+0xc0/0xc0
[  295.147486]  ? print_usage_bug+0xc0/0xc0
[  295.151549]  ? down_read+0x8d/0x120
[  295.155165]  ? ext4_filemap_fault+0x7a/0xad
[  295.159482]  ? __down_interruptible+0x700/0x700
[  295.164151]  ext4_filemap_fault+0x82/0xad
[  295.168294]  __do_fault+0x100/0x6b0
[  295.171933]  ? pmd_devmap_trans_unstable+0x220/0x220
[  295.177035]  ? mark_held_locks+0x130/0x130
[  295.181263]  ? mark_held_locks+0x130/0x130
[  295.185490]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.190759]  ? rcu_softirq_qs+0x20/0x20
[  295.194732]  ? kasan_check_write+0x14/0x20
[  295.198962]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.204501]  __handle_mm_fault+0x3ea0/0x5be0
[  295.208913]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  295.213751]  ? aa_path_link+0x5e0/0x5e0
[  295.217726]  ? ksys_dup3+0x680/0x680
[  295.221445]  ? zap_class+0x640/0x640
[  295.225153]  ? zap_class+0x640/0x640
[  295.228860]  ? __x64_sys_futex+0x53e/0x6a0
[  295.233093]  ? find_held_lock+0x36/0x1c0
[  295.237165]  ? handle_mm_fault+0x42a/0xc70
[  295.241401]  ? lock_downgrade+0x900/0x900
[  295.245544]  ? check_preemption_disabled+0x48/0x280
[  295.250559]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  295.255484]  ? kasan_check_read+0x11/0x20
[  295.259628]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.264900]  ? rcu_softirq_qs+0x20/0x20
[  295.268873]  ? trace_hardirqs_off_caller+0x310/0x310
[  295.273973]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.279506]  ? check_preemption_disabled+0x48/0x280
[  295.284526]  handle_mm_fault+0x54f/0xc70
[  295.288589]  ? __handle_mm_fault+0x5be0/0x5be0
[  295.293549]  ? find_vma+0x34/0x190
[  295.297088]  __do_page_fault+0x5e8/0xe60
[  295.301153]  ? trace_hardirqs_off+0xb8/0x310
[  295.305565]  do_page_fault+0xf2/0x7e0
[  295.309451]  ? vmalloc_sync_all+0x30/0x30
[  295.313596]  ? error_entry+0x70/0xd0
[  295.317305]  ? trace_hardirqs_off_caller+0xbb/0x310
[  295.322313]  ? trace_hardirqs_on_caller+0xc0/0x310
[  295.327237]  ? syscall_return_slowpath+0x5e0/0x5e0
[  295.332160]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.337012]  ? trace_hardirqs_on_caller+0x310/0x310
[  295.342027]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  295.347475]  ? prepare_exit_to_usermode+0x291/0x3b0
[  295.352576]  ? page_fault+0x8/0x30
[  295.356121]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  295.361392]  ? page_fault+0x8/0x30
[  295.364925]  page_fault+0x1e/0x30
[  295.368393] RIP: 0033:0x40f9c0
[  295.371598] Code: Bad RIP value.
[  295.374951] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  295.380306] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  295.387569] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  295.394831] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  295.402099] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  295.409360] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  295.416642] warn_alloc_show_mem: 1 callbacks suppressed
[  295.416652] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  295.416653] Mem-Info:
[  295.416685] active_anon:51741 inactive_anon:192 isolated_anon:0
[  295.416685]  active_file:28 inactive_file:10 isolated_file:0
[  295.416685]  unevictable:0 dirty:0 writeback:0 unstable:0
[  295.416685]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  295.416685]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  295.416685]  free:13684 free_pcp:150 free_cma:0
[  295.422034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  295.429309] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  295.431699] Call Trace:
[  295.464562] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  295.474023]  <IRQ>
[  295.501584] lowmem_reserve[]: 0 2818 6321 6321
[  295.504177]  dump_stack+0x244/0x39d
[  295.530267] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  295.532423]  ? dump_stack_print_info.cold.1+0x20/0x20
[  295.536960] lowmem_reserve[]: 0 0 3503 3503
[  295.540596]  warn_alloc.cold.116+0xb7/0x1bd
[  295.568144] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  295.573328]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  295.577618] lowmem_reserve[]: 0 0 0 0
[  295.581941]  ? lock_downgrade+0x900/0x900
[  295.610803] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  295.615652]  ? trace_hardirqs_off+0xb8/0x310
[  295.619414] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  295.623554]  ? trace_hardirqs_off+0xb8/0x310
[  295.637559] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  295.641989]  __alloc_pages_slowpath+0x26e8/0x2e10
[  295.657206] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  295.661617]  ? warn_alloc+0x120/0x120
[  295.676834] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  295.681660]  ? print_usage_bug+0xc0/0xc0
[  295.690463] 281 total pagecache pages
[  295.694249]  ? warn_alloc+0x120/0x120
[  295.702805] 0 pages in swap cache
[  295.706850]  ? warn_alloc+0x120/0x120
[  295.710625] Swap cache stats: add 0, delete 0, find 0/0
[  295.714409]  ? print_usage_bug+0xc0/0xc0
[  295.717831] Free swap  = 0kB
[  295.721705]  ? kvm_clock_read+0x18/0x30
[  295.727037] Total swap = 0kB
[  295.731097]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  295.734082] 1965979 pages RAM
[  295.738040]  ? print_usage_bug+0xc0/0xc0
[  295.741037] 0 pages HighMem/MovableOnly
[  295.746045]  ? __lock_acquire+0x62f/0x4c20
[  295.749126] 342854 pages reserved
[  295.753175]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  295.757118] 0 pages cma reserved
[  295.761342]  ? should_fail+0x22d/0xd01
[  295.764837] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  295.770283]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.770301]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.770321]  ? __lock_acquire+0x62f/0x4c20
[  295.773720] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  295.777534]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  295.784006] syz-fuzzer cpuset=/ mems_allowed=0
[  295.789267]  ? __lock_acquire+0x62f/0x4c20
[  295.789281]  ? should_fail+0x22d/0xd01
[  295.826710]  ? rcu_irq_exit+0x1a2/0x390
[  295.830691]  ? mark_held_locks+0x130/0x130
[  295.834929]  ? mark_held_locks+0x130/0x130
[  295.839164]  ? mark_held_locks+0xc7/0x130
[  295.843311]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  295.848321]  ? zap_class+0x640/0x640
[  295.852033]  ? print_usage_bug+0xc0/0xc0
[  295.856120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.861655]  ? check_preemption_disabled+0x48/0x280
[  295.866673]  ? __lock_is_held+0xb5/0x140
[  295.870739]  __alloc_pages_nodemask+0xa80/0xde0
[  295.875403]  ? zap_class+0x640/0x640
[  295.879118]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  295.884144]  ? find_held_lock+0x36/0x1c0
[  295.888219]  ? ____cache_alloc_node+0x1c7/0x1e0
[  295.892888]  ? lock_downgrade+0x900/0x900
[  295.897044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.902600]  cache_grow_begin+0xa5/0x8c0
[  295.906657]  ? do_raw_spin_unlock+0xa7/0x330
[  295.911076]  fallback_alloc+0x204/0x2e0
[  295.915060]  ____cache_alloc_node+0x1c7/0x1e0
[  295.919555]  kmem_cache_alloc_node+0xe3/0x730
[  295.924056]  ? ipv6_get_ifaddr+0x42e/0x620
[  295.928299]  __alloc_skb+0x119/0x770
[  295.932011]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  295.937291]  ? netdev_alloc_frag+0x1f0/0x1f0
[  295.941694]  ? lock_downgrade+0x900/0x900
[  295.945844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  295.951382]  ? refcount_sub_and_test_checked+0x203/0x310
[  295.956832]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  295.962280]  ? addrconf_rs_timer+0x690/0x690
[  295.966696]  ndisc_alloc_skb+0x144/0x340
[  295.970757]  ndisc_send_rs+0x331/0x6e0
[  295.974645]  addrconf_rs_timer+0x314/0x690
[  295.978879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.983119]  call_timer_fn+0x272/0x920
[  295.987006]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  295.991242]  ? process_timeout+0x40/0x40
[  295.995306]  ? __run_timers+0x7da/0xc70
[  295.999278]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.003766]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.008258]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.012492]  ? lockdep_hardirqs_on+0x296/0x5b0
[  296.017081]  ? trace_hardirqs_on+0xbd/0x310
[  296.021399]  ? kasan_check_read+0x11/0x20
[  296.025541]  ? __run_timers+0x7da/0xc70
[  296.029515]  ? trace_hardirqs_off_caller+0x310/0x310
[  296.034617]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.038856]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.043084]  __run_timers+0x7e5/0xc70
[  296.046887]  ? timer_fixup_init+0x70/0x70
[  296.051041]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  296.056060]  ? zap_class+0x640/0x640
[  296.059775]  ? enqueue_hrtimer+0x1a5/0x560
[  296.064011]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  296.069215]  ? find_held_lock+0x36/0x1c0
[  296.073278]  ? zap_class+0x640/0x640
[  296.076992]  ? pvclock_read_flags+0x160/0x160
[  296.081492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.087032]  ? check_preemption_disabled+0x48/0x280
[  296.092063]  ? __lock_is_held+0xb5/0x140
[  296.096126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.101662]  ? check_preemption_disabled+0x48/0x280
[  296.106680]  run_timer_softirq+0x52/0xb0
[  296.110739]  ? rcu_read_lock_sched_held+0x14f/0x180
[  296.115749]  __do_softirq+0x308/0xb7e
[  296.119557]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  296.124075]  ? lock_downgrade+0x900/0x900
[  296.128222]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  296.133326]  ? pvclock_read_flags+0x160/0x160
[  296.137818]  ? lapic_next_event+0x5a/0x90
[  296.141963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.147500]  ? kvm_clock_read+0x18/0x30
[  296.151559]  ? kvm_sched_clock_read+0x9/0x20
[  296.156049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.161581]  ? check_preemption_disabled+0x48/0x280
[  296.166601]  irq_exit+0x17f/0x1c0
[  296.170054]  smp_apic_timer_interrupt+0x1cb/0x760
[  296.174892]  ? smp_reschedule_interrupt+0x109/0x650
[  296.179904]  ? smp_call_function_single_interrupt+0x650/0x650
[  296.185783]  ? interrupt_entry+0xb5/0xc0
[  296.189841]  ? trace_hardirqs_off_caller+0xbb/0x310
[  296.194945]  ? trace_hardirqs_off_caller+0xbb/0x310
[  296.199957]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.204798]  ? trace_hardirqs_on_caller+0x310/0x310
[  296.209806]  ? trace_hardirqs_on_caller+0x310/0x310
[  296.215560]  ? task_prio+0x50/0x50
[  296.219101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.224636]  ? check_preemption_disabled+0x48/0x280
[  296.229657]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.234503]  apic_timer_interrupt+0xf/0x20
[  296.238728]  </IRQ>
[  296.240962] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  296.245895] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  296.264800] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  296.272500] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  296.279770] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  296.287032] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  296.294294] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  296.301556] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  296.308852]  skb_clone+0x1bb/0x500
[  296.312389]  ? finish_task_switch+0x1b4/0x910
[  296.316884]  ? skb_split+0x11e0/0x11e0
[  296.320775]  ? preempt_notifier_register+0x200/0x200
[  296.325870]  ? __switch_to_asm+0x34/0x70
[  296.329924]  ? __switch_to_asm+0x34/0x70
[  296.334065]  ? __switch_to_asm+0x40/0x70
[  296.338119]  ? __switch_to_asm+0x34/0x70
[  296.342176]  ? __switch_to_asm+0x40/0x70
[  296.346228]  ? __switch_to_asm+0x34/0x70
[  296.350281]  ? __switch_to_asm+0x40/0x70
[  296.354332]  ? __switch_to_asm+0x34/0x70
[  296.358388]  ? __switch_to_asm+0x34/0x70
[  296.362438]  ? __switch_to_asm+0x40/0x70
[  296.366492]  ? __switch_to_asm+0x34/0x70
[  296.370551]  bpf_clone_redirect+0xb9/0x490
[  296.374784]  ? __schedule+0x8d7/0x21d0
[  296.378671]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  296.383687]  ? __sched_text_start+0x8/0x8
[  296.387835]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  296.392414]  ? retint_kernel+0x2d/0x2d
[  296.396297]  ? trace_hardirqs_on_caller+0xc0/0x310
[  296.401224]  ? find_held_lock+0x36/0x1c0
[  296.405288]  ? lock_acquire+0x1ed/0x520
[  296.409260]  ? bpf_test_run+0x3cb/0x780
[  296.413232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.418786]  ? check_preemption_disabled+0x48/0x280
[  296.423804]  ? kasan_check_read+0x11/0x20
[  296.427945]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.433218]  ? rcu_softirq_qs+0x20/0x20
[  296.437188]  ? preempt_schedule+0x4d/0x60
[  296.441329]  ? ___preempt_schedule+0x16/0x18
[  296.445739]  ? bpf_test_run+0x25d/0x780
[  296.449725]  ? netlink_diag_dump+0x2a0/0x2a0
[  296.454136]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.459669]  ? bpf_test_init.isra.10+0x70/0x100
[  296.464341]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  296.469099]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  296.473934]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  296.479466]  ? fput+0x130/0x1a0
[  296.482748]  ? __bpf_prog_get+0x9b/0x290
[  296.486806]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  296.491646]  ? bpf_prog_test_run+0x130/0x1a0
[  296.496051]  ? __x64_sys_bpf+0x3d8/0x520
[  296.500110]  ? bpf_prog_get+0x20/0x20
[  296.503927]  ? do_syscall_64+0x1b9/0x820
[  296.507987]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  296.513358]  ? syscall_return_slowpath+0x5e0/0x5e0
[  296.518286]  ? trace_hardirqs_on_caller+0x310/0x310
[  296.523297]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  296.528309]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  296.534968]  ? __switch_to_asm+0x40/0x70
[  296.539027]  ? __switch_to_asm+0x34/0x70
[  296.543099]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  296.547941]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  296.553320] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  296.553400] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  296.560333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  296.560339] Call Trace:
[  296.560345]  <IRQ>
[  296.560364]  dump_stack+0x244/0x39d
[  296.560382]  ? dump_stack_print_info.cold.1+0x20/0x20
[  296.566903] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  296.576207]  warn_alloc.cold.116+0xb7/0x1bd
[  296.578755] syz-executor2 cpuset=syz2 mems_allowed=0
[  296.580892]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  296.614382]  ? lock_downgrade+0x900/0x900
[  296.618563]  ? trace_hardirqs_off+0xb8/0x310
[  296.622997]  ? trace_hardirqs_off+0xb8/0x310
[  296.627410]  __alloc_pages_slowpath+0x26e8/0x2e10
[  296.632276]  ? warn_alloc+0x120/0x120
[  296.636076]  ? print_usage_bug+0xc0/0xc0
[  296.640131]  ? warn_alloc+0x120/0x120
[  296.643929]  ? warn_alloc+0x120/0x120
[  296.647725]  ? print_usage_bug+0xc0/0xc0
[  296.651788]  ? print_usage_bug+0xc0/0xc0
[  296.655843]  ? __lock_acquire+0x62f/0x4c20
[  296.660079]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  296.665612]  ? should_fail+0x22d/0xd01
[  296.669497]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.674595]  ? __lock_acquire+0x62f/0x4c20
[  296.678834]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  296.683930]  ? __lock_acquire+0x62f/0x4c20
[  296.688156]  ? should_fail+0x22d/0xd01
[  296.692037]  ? find_held_lock+0x36/0x1c0
[  296.696100]  ? mark_held_locks+0x130/0x130
[  296.700342]  ? mark_held_locks+0x130/0x130
[  296.704568]  ? zap_class+0x640/0x640
[  296.708279]  ? zap_class+0x640/0x640
[  296.711994]  ? print_usage_bug+0xc0/0xc0
[  296.716051]  ? do_raw_spin_unlock+0xa7/0x330
[  296.720457]  ? zap_class+0x640/0x640
[  296.724169]  ? print_usage_bug+0xc0/0xc0
[  296.728319]  ? wq_watchdog_touch+0x9c/0xfe
[  296.732554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.738103]  ? check_preemption_disabled+0x48/0x280
[  296.743123]  ? __lock_is_held+0xb5/0x140
[  296.747193]  __alloc_pages_nodemask+0xa80/0xde0
[  296.751862]  ? zap_class+0x640/0x640
[  296.755576]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  296.760596]  ? find_held_lock+0x36/0x1c0
[  296.764660]  ? ____cache_alloc_node+0x1c7/0x1e0
[  296.769329]  ? lock_downgrade+0x900/0x900
[  296.773479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.779014]  cache_grow_begin+0xa5/0x8c0
[  296.783073]  ? do_raw_spin_unlock+0xa7/0x330
[  296.787481]  fallback_alloc+0x204/0x2e0
[  296.791542]  ____cache_alloc_node+0x1c7/0x1e0
[  296.796428]  kmem_cache_alloc_node+0xe3/0x730
[  296.800922]  ? ipv6_get_ifaddr+0x42e/0x620
[  296.805169]  __alloc_skb+0x119/0x770
[  296.808881]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  296.814158]  ? netdev_alloc_frag+0x1f0/0x1f0
[  296.818561]  ? lock_downgrade+0x900/0x900
[  296.822715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.828251]  ? refcount_sub_and_test_checked+0x203/0x310
[  296.833698]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  296.839143]  ? addrconf_rs_timer+0x690/0x690
[  296.843554]  ndisc_alloc_skb+0x144/0x340
[  296.847617]  ndisc_send_rs+0x331/0x6e0
[  296.851501]  addrconf_rs_timer+0x314/0x690
[  296.855734]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.859981]  call_timer_fn+0x272/0x920
[  296.863861]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.868089]  ? process_timeout+0x40/0x40
[  296.872151]  ? mark_held_locks+0xc7/0x130
[  296.876297]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.880791]  ? _raw_spin_unlock_irq+0x27/0x80
[  296.885278]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.889509]  ? lockdep_hardirqs_on+0x296/0x5b0
[  296.894091]  ? trace_hardirqs_on+0xbd/0x310
[  296.898406]  ? kasan_check_read+0x11/0x20
[  296.902547]  ? __run_timers+0x7da/0xc70
[  296.906517]  ? trace_hardirqs_off_caller+0x310/0x310
[  296.911620]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.915852]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  296.920080]  __run_timers+0x7e5/0xc70
[  296.923883]  ? timer_fixup_init+0x70/0x70
[  296.928026]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  296.933038]  ? zap_class+0x640/0x640
[  296.936839]  ? print_usage_bug+0xc0/0xc0
[  296.940900]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  296.946088]  ? find_held_lock+0x36/0x1c0
[  296.950162]  ? zap_class+0x640/0x640
[  296.953881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.959413]  ? check_preemption_disabled+0x48/0x280
[  296.964432]  ? __lock_is_held+0xb5/0x140
[  296.968488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  296.974021]  ? check_preemption_disabled+0x48/0x280
[  296.979037]  run_timer_softirq+0x52/0xb0
[  296.983094]  ? rcu_read_lock_sched_held+0x14f/0x180
[  296.988107]  __do_softirq+0x308/0xb7e
[  296.991911]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  296.996406]  ? lock_downgrade+0x900/0x900
[  297.000573]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  297.005680]  ? pvclock_read_flags+0x160/0x160
[  297.010172]  ? lapic_next_event+0x5a/0x90
[  297.014317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.019857]  ? kvm_clock_read+0x18/0x30
[  297.023824]  ? kvm_sched_clock_read+0x9/0x20
[  297.028233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.033766]  ? check_preemption_disabled+0x48/0x280
[  297.038789]  irq_exit+0x17f/0x1c0
[  297.042238]  smp_apic_timer_interrupt+0x1cb/0x760
[  297.047075]  ? smp_call_function_single_interrupt+0x159/0x650
[  297.052960]  ? smp_call_function_single_interrupt+0x650/0x650
[  297.058838]  ? interrupt_entry+0xb5/0xc0
[  297.062897]  ? trace_hardirqs_off_caller+0xbb/0x310
[  297.067916]  ? trace_hardirqs_off_caller+0xbb/0x310
[  297.072942]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.077801]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.082808]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.087826]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.092671]  apic_timer_interrupt+0xf/0x20
[  297.096896]  </IRQ>
[  297.099133] RIP: 0010:write_comp_data+0xd/0x70
[  297.103713] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  297.122612] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  297.130315] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  297.137577] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  297.144839] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  297.152105] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  297.159365] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  297.166647]  ? list_lru_count_one+0x36d/0x450
[  297.171146]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  297.176514]  list_lru_count_one+0x36d/0x450
[  297.180831]  ? list_lru_isolate_move+0x3c0/0x3c0
[  297.185586]  ? shmem_free_inode+0xd0/0xd0
[  297.189733]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.195265]  ? ubifs_shrink_count+0xc4/0x100
[  297.199674]  super_cache_count+0x1b9/0x2e0
[  297.203912]  do_shrink_slab+0x1b1/0xd30
[  297.207898]  ? lock_acquire+0x1ed/0x520
[  297.211880]  ? snapshot_refaults+0x290/0x290
[  297.216286]  ? lock_release+0xa00/0xa00
[  297.220259]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  297.225197]  ? down_read_trylock+0xda/0x140
[  297.229510]  ? shrink_slab+0x207/0x8c0
[  297.233393]  ? downgrade_write+0x270/0x270
[  297.237635]  shrink_slab+0x389/0x8c0
[  297.241346]  ? shrink_active_list+0x1f00/0x1f00
[  297.246019]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  297.251643]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  297.256747]  ? cgroup_procs_write_finish+0xf0/0xf0
[  297.261680]  ? find_held_lock+0x36/0x1c0
[  297.265742]  shrink_node+0x431/0x16b0
[  297.269553]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  297.274858]  ? shrink_node_memcg+0x18f0/0x18f0
[  297.279438]  ? kvm_clock_read+0x18/0x30
[  297.283409]  ? ktime_get+0x2c1/0x400
[  297.287130]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  297.291624]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  297.297154]  ? __cpuset_node_allowed+0x19b/0x660
[  297.301917]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  297.307624]  ? delayacct_end+0x5a/0x100
[  297.311616]  do_try_to_free_pages+0x3e7/0x1290
[  297.316198]  ? zap_class+0x640/0x640
[  297.319935]  ? shrink_node+0x16b0/0x16b0
[  297.323993]  ? __lock_is_held+0xb5/0x140
[  297.328062]  try_to_free_pages+0x4d0/0xb90
[  297.332296]  ? do_try_to_free_pages+0x1290/0x1290
[  297.337147]  ? lock_acquire+0x1ed/0x520
[  297.341123]  ? set_page_refcounted+0x280/0x280
[  297.345709]  ? lock_release+0xa00/0xa00
[  297.349682]  ? _raw_spin_unlock_irq+0x60/0x80
[  297.354176]  ? psi_memstall_enter+0x240/0x2b0
[  297.358668]  ? psi_memstall_tick+0x230/0x230
[  297.363084]  __alloc_pages_slowpath+0xa14/0x2e10
[  297.367858]  ? warn_alloc+0x120/0x120
[  297.371666]  ? mark_held_locks+0x130/0x130
[  297.375910]  ? find_get_entry+0xaae/0x1120
[  297.380151]  ? filemap_map_pages+0x1a20/0x1a20
[  297.384737]  ? zap_class+0x640/0x640
[  297.388451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.393989]  ? check_preemption_disabled+0x48/0x280
[  297.398998]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.404532]  ? should_fail+0x22d/0xd01
[  297.408417]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  297.413514]  ? zap_class+0x640/0x640
[  297.417246]  ? __lock_is_held+0xb5/0x140
[  297.421314]  ? mark_held_locks+0x130/0x130
[  297.425545]  ? lock_release+0xa00/0xa00
[  297.429518]  ? perf_trace_sched_process_exec+0x860/0x860
[  297.434962]  ? xa_load+0x2ba/0x460
[  297.438497]  ? lock_downgrade+0x900/0x900
[  297.442645]  ? __might_sleep+0x95/0x190
[  297.446621]  __alloc_pages_nodemask+0xa80/0xde0
[  297.451297]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  297.456310]  ? __page_cache_alloc+0x191/0x5c0
[  297.460802]  ? xa_load+0x2e1/0x460
[  297.464336]  ? xa_clear_mark+0x40/0x40
[  297.468221]  ? zap_class+0x640/0x640
[  297.471935]  ? zap_class+0x640/0x640
[  297.475641]  ? zap_class+0x640/0x640
[  297.479353]  ? __do_page_cache_readahead+0x663/0x810
[  297.484455]  ? find_held_lock+0x36/0x1c0
[  297.488517]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  297.494060]  alloc_pages_current+0x173/0x350
[  297.498471]  __page_cache_alloc+0x38c/0x5c0
[  297.502785]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  297.507710]  ? kasan_check_read+0x11/0x20
[  297.511853]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.517127]  ? generic_perform_write+0x6a0/0x6a0
[  297.522233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.527769]  ? check_preemption_disabled+0x48/0x280
[  297.532785]  filemap_fault+0x1595/0x25f0
[  297.536853]  ? __lock_page_or_retry+0xa00/0xa00
[  297.541519]  ? mark_held_locks+0x130/0x130
[  297.545759]  ? filemap_map_pages+0xd6b/0x1a20
[  297.550248]  ? lock_downgrade+0x900/0x900
[  297.554388]  ? check_preemption_disabled+0x48/0x280
[  297.559404]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  297.564326]  ? kasan_check_read+0x11/0x20
[  297.568468]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.573737]  ? rcu_softirq_qs+0x20/0x20
[  297.577719]  ? filemap_map_pages+0xd92/0x1a20
[  297.582223]  ? find_get_entries_tag+0x1400/0x1400
[  297.587065]  ? debug_object_destroy+0x2b0/0x2b0
[  297.591732]  ? lock_pi_update_atomic+0x150/0x150
[  297.596480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  297.602026]  ? lock_acquire+0x1ed/0x520
[  297.605995]  ? ext4_filemap_fault+0x7a/0xad
[  297.610319]  ? lock_release+0xa00/0xa00
[  297.614291]  ? perf_trace_sched_process_exec+0x860/0x860
[  297.619737]  ? print_usage_bug+0xc0/0xc0
[  297.623797]  ? print_usage_bug+0xc0/0xc0
[  297.628195]  ? down_read+0x8d/0x120
[  297.631820]  ? ext4_filemap_fault+0x7a/0xad
[  297.636140]  ? __down_interruptible+0x700/0x700
[  297.640810]  ext4_filemap_fault+0x82/0xad
[  297.644956]  __do_fault+0x100/0x6b0
[  297.648581]  ? pmd_devmap_trans_unstable+0x220/0x220
[  297.653686]  ? mark_held_locks+0x130/0x130
[  297.657916]  ? mark_held_locks+0x130/0x130
[  297.662235]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.667507]  ? rcu_softirq_qs+0x20/0x20
[  297.671484]  ? kasan_check_write+0x14/0x20
[  297.675713]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.681247]  __handle_mm_fault+0x3ea0/0x5be0
[  297.685661]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  297.690497]  ? aa_path_link+0x5e0/0x5e0
[  297.694473]  ? ksys_dup3+0x680/0x680
[  297.698193]  ? zap_class+0x640/0x640
[  297.701904]  ? zap_class+0x640/0x640
[  297.705615]  ? __x64_sys_futex+0x53e/0x6a0
[  297.709849]  ? find_held_lock+0x36/0x1c0
[  297.713923]  ? handle_mm_fault+0x42a/0xc70
[  297.718161]  ? lock_downgrade+0x900/0x900
[  297.722304]  ? check_preemption_disabled+0x48/0x280
[  297.727320]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  297.732241]  ? kasan_check_read+0x11/0x20
[  297.736383]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  297.741652]  ? rcu_softirq_qs+0x20/0x20
[  297.745621]  ? trace_hardirqs_off_caller+0x310/0x310
[  297.750719]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  297.756693]  ? check_preemption_disabled+0x48/0x280
[  297.761711]  handle_mm_fault+0x54f/0xc70
[  297.765768]  ? __handle_mm_fault+0x5be0/0x5be0
[  297.770353]  ? find_vma+0x34/0x190
[  297.773898]  __do_page_fault+0x5e8/0xe60
[  297.777953]  ? trace_hardirqs_off+0xb8/0x310
[  297.782365]  do_page_fault+0xf2/0x7e0
[  297.786161]  ? vmalloc_sync_all+0x30/0x30
[  297.790304]  ? error_entry+0x70/0xd0
[  297.794016]  ? trace_hardirqs_off_caller+0xbb/0x310
[  297.799026]  ? trace_hardirqs_on_caller+0xc0/0x310
[  297.803954]  ? syscall_return_slowpath+0x5e0/0x5e0
[  297.808883]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.813721]  ? trace_hardirqs_on_caller+0x310/0x310
[  297.818738]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  297.824196]  ? prepare_exit_to_usermode+0x291/0x3b0
[  297.829207]  ? page_fault+0x8/0x30
[  297.832742]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  297.837581]  ? page_fault+0x8/0x30
[  297.841122]  page_fault+0x1e/0x30
[  297.844569] RIP: 0033:0x40f9c0
[  297.847768] Code: Bad RIP value.
[  297.851127] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  297.856487] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  297.863751] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  297.871012] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  297.878274] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  297.885534] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  297.892816] warn_alloc_show_mem: 1 callbacks suppressed
[  297.892826] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  297.892828] Mem-Info:
[  297.892866] active_anon:51741 inactive_anon:192 isolated_anon:0
[  297.892866]  active_file:28 inactive_file:10 isolated_file:0
[  297.892866]  unevictable:0 dirty:0 writeback:0 unstable:0
[  297.892866]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  297.892866]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  297.892866]  free:13684 free_pcp:150 free_cma:0
[  297.898201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  297.905470] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  297.907862] Call Trace:
[  297.940716] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  297.950054]  <IRQ>
[  297.977606] lowmem_reserve[]: 0 2818 6321 6321
[  297.980190]  dump_stack+0x244/0x39d
[  298.006260] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  298.008412]  ? dump_stack_print_info.cold.1+0x20/0x20
[  298.012954] lowmem_reserve[]: 0 0 3503 3503
[  298.016603]  warn_alloc.cold.116+0xb7/0x1bd
[  298.044231] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  298.049412]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  298.053699] lowmem_reserve[]: 0 0 0 0
[  298.058014]  ? lock_downgrade+0x900/0x900
[  298.086865] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  298.091707]  ? trace_hardirqs_off+0xb8/0x310
[  298.095473] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  298.099615]  ? trace_hardirqs_off+0xb8/0x310
[  298.113109] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  298.117513]  __alloc_pages_slowpath+0x26e8/0x2e10
[  298.132746] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  298.137160]  ? warn_alloc+0x120/0x120
[  298.152373] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  298.157196]  ? print_usage_bug+0xc0/0xc0
[  298.166000] 281 total pagecache pages
[  298.169786]  ? warn_alloc+0x120/0x120
[  298.178342] 0 pages in swap cache
[  298.182384]  ? warn_alloc+0x120/0x120
[  298.186158] Swap cache stats: add 0, delete 0, find 0/0
[  298.189944]  ? print_usage_bug+0xc0/0xc0
[  298.193367] Free swap  = 0kB
[  298.197156]  ? print_usage_bug+0xc0/0xc0
[  298.202487] Total swap = 0kB
[  298.206534]  ? __lock_acquire+0x62f/0x4c20
[  298.209523] 1965979 pages RAM
[  298.213571]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.216558] 0 pages HighMem/MovableOnly
[  298.220784]  ? should_fail+0x22d/0xd01
[  298.223856] 342854 pages reserved
[  298.229381]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.233323] 0 pages cma reserved
[  298.237198]  ? __lock_acquire+0x62f/0x4c20
[  298.240695] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  298.245713]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  298.249141] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  298.253272]  ? __lock_acquire+0x62f/0x4c20
[  298.253287]  ? should_fail+0x22d/0xd01
[  298.259751] syz-fuzzer cpuset=/ mems_allowed=0
[  298.264847]  ? find_held_lock+0x36/0x1c0
[  298.291760]  ? mark_held_locks+0x130/0x130
[  298.295992]  ? mark_held_locks+0x130/0x130
[  298.300217]  ? zap_class+0x640/0x640
[  298.303925]  ? zap_class+0x640/0x640
[  298.307633]  ? print_usage_bug+0xc0/0xc0
[  298.311686]  ? do_raw_spin_unlock+0xa7/0x330
[  298.316090]  ? zap_class+0x640/0x640
[  298.319798]  ? print_usage_bug+0xc0/0xc0
[  298.323862]  ? wq_watchdog_touch+0x9c/0xfe
[  298.328094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.333629]  ? check_preemption_disabled+0x48/0x280
[  298.338650]  ? __lock_is_held+0xb5/0x140
[  298.342716]  __alloc_pages_nodemask+0xa80/0xde0
[  298.347380]  ? zap_class+0x640/0x640
[  298.351092]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  298.356111]  ? find_held_lock+0x36/0x1c0
[  298.360176]  ? ____cache_alloc_node+0x1c7/0x1e0
[  298.364846]  ? lock_downgrade+0x900/0x900
[  298.368995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.374533]  cache_grow_begin+0xa5/0x8c0
[  298.378593]  ? do_raw_spin_unlock+0xa7/0x330
[  298.383002]  fallback_alloc+0x204/0x2e0
[  298.386977]  ____cache_alloc_node+0x1c7/0x1e0
[  298.391476]  kmem_cache_alloc_node+0xe3/0x730
[  298.395981]  ? ipv6_get_ifaddr+0x42e/0x620
[  298.400222]  __alloc_skb+0x119/0x770
[  298.403929]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.409208]  ? netdev_alloc_frag+0x1f0/0x1f0
[  298.413615]  ? lock_downgrade+0x900/0x900
[  298.417763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.423295]  ? refcount_sub_and_test_checked+0x203/0x310
[  298.428755]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  298.434203]  ? addrconf_rs_timer+0x690/0x690
[  298.438622]  ndisc_alloc_skb+0x144/0x340
[  298.442681]  ndisc_send_rs+0x331/0x6e0
[  298.446572]  addrconf_rs_timer+0x314/0x690
[  298.450814]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.455053]  call_timer_fn+0x272/0x920
[  298.458940]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.463169]  ? process_timeout+0x40/0x40
[  298.467231]  ? __run_timers+0x7da/0xc70
[  298.471201]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.475690]  ? _raw_spin_unlock_irq+0x27/0x80
[  298.480183]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.484412]  ? lockdep_hardirqs_on+0x296/0x5b0
[  298.488996]  ? trace_hardirqs_on+0xbd/0x310
[  298.493311]  ? kasan_check_read+0x11/0x20
[  298.497451]  ? __run_timers+0x7da/0xc70
[  298.501423]  ? trace_hardirqs_off_caller+0x310/0x310
[  298.506529]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.510765]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  298.514999]  __run_timers+0x7e5/0xc70
[  298.518812]  ? timer_fixup_init+0x70/0x70
[  298.522956]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  298.527968]  ? zap_class+0x640/0x640
[  298.531679]  ? enqueue_hrtimer+0x1a5/0x560
[  298.535910]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  298.541101]  ? find_held_lock+0x36/0x1c0
[  298.545166]  ? zap_class+0x640/0x640
[  298.548881]  ? pvclock_read_flags+0x160/0x160
[  298.553373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.558914]  ? check_preemption_disabled+0x48/0x280
[  298.563934]  ? __lock_is_held+0xb5/0x140
[  298.567989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.573519]  ? check_preemption_disabled+0x48/0x280
[  298.578552]  run_timer_softirq+0x52/0xb0
[  298.582606]  ? rcu_read_lock_sched_held+0x14f/0x180
[  298.587617]  __do_softirq+0x308/0xb7e
[  298.591419]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  298.595910]  ? lock_downgrade+0x900/0x900
[  298.600055]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  298.605159]  ? pvclock_read_flags+0x160/0x160
[  298.609650]  ? lapic_next_event+0x5a/0x90
[  298.613802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.619338]  ? kvm_clock_read+0x18/0x30
[  298.623314]  ? kvm_sched_clock_read+0x9/0x20
[  298.627721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.633262]  ? check_preemption_disabled+0x48/0x280
[  298.638288]  irq_exit+0x17f/0x1c0
[  298.641739]  smp_apic_timer_interrupt+0x1cb/0x760
[  298.646574]  ? smp_reschedule_interrupt+0x109/0x650
[  298.651584]  ? smp_call_function_single_interrupt+0x650/0x650
[  298.657466]  ? interrupt_entry+0xb5/0xc0
[  298.661526]  ? trace_hardirqs_off_caller+0xbb/0x310
[  298.666538]  ? trace_hardirqs_off_caller+0xbb/0x310
[  298.671561]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.676403]  ? trace_hardirqs_on_caller+0x310/0x310
[  298.681411]  ? trace_hardirqs_on_caller+0x310/0x310
[  298.686422]  ? task_prio+0x50/0x50
[  298.689959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.695494]  ? check_preemption_disabled+0x48/0x280
[  298.700512]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  298.705358]  apic_timer_interrupt+0xf/0x20
[  298.709579]  </IRQ>
[  298.711815] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  298.716742] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  298.735638] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  298.743342] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  298.750603] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  298.757868] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  298.765130] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  298.772390] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  298.779690]  skb_clone+0x1bb/0x500
[  298.783228]  ? finish_task_switch+0x1b4/0x910
[  298.787720]  ? skb_split+0x11e0/0x11e0
[  298.791605]  ? preempt_notifier_register+0x200/0x200
[  298.797225]  ? __switch_to_asm+0x34/0x70
[  298.801288]  ? __switch_to_asm+0x34/0x70
[  298.805341]  ? __switch_to_asm+0x40/0x70
[  298.809404]  ? __switch_to_asm+0x34/0x70
[  298.813458]  ? __switch_to_asm+0x40/0x70
[  298.817511]  ? __switch_to_asm+0x34/0x70
[  298.821567]  ? __switch_to_asm+0x40/0x70
[  298.825622]  ? __switch_to_asm+0x34/0x70
[  298.829675]  ? __switch_to_asm+0x34/0x70
[  298.833728]  ? __switch_to_asm+0x40/0x70
[  298.837786]  ? __switch_to_asm+0x34/0x70
[  298.841850]  bpf_clone_redirect+0xb9/0x490
[  298.846080]  ? __schedule+0x8d7/0x21d0
[  298.849973]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  298.854986]  ? __sched_text_start+0x8/0x8
[  298.859136]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  298.863710]  ? retint_kernel+0x2d/0x2d
[  298.867595]  ? trace_hardirqs_on_caller+0xc0/0x310
[  298.872532]  ? find_held_lock+0x36/0x1c0
[  298.876595]  ? lock_acquire+0x1ed/0x520
[  298.880568]  ? bpf_test_run+0x3cb/0x780
[  298.884547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  298.890080]  ? check_preemption_disabled+0x48/0x280
[  298.895097]  ? kasan_check_read+0x11/0x20
[  298.899238]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  298.904509]  ? rcu_softirq_qs+0x20/0x20
[  298.908486]  ? preempt_schedule+0x4d/0x60
[  298.912631]  ? ___preempt_schedule+0x16/0x18
[  298.917042]  ? bpf_test_run+0x25d/0x780
[  298.921020]  ? netlink_diag_dump+0x2a0/0x2a0
[  298.925425]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  298.930961]  ? bpf_test_init.isra.10+0x70/0x100
[  298.935631]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  298.940392]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  298.945232]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  298.950779]  ? fput+0x130/0x1a0
[  298.954057]  ? __bpf_prog_get+0x9b/0x290
[  298.958119]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  298.962954]  ? bpf_prog_test_run+0x130/0x1a0
[  298.967369]  ? __x64_sys_bpf+0x3d8/0x520
[  298.971423]  ? bpf_prog_get+0x20/0x20
[  298.975239]  ? do_syscall_64+0x1b9/0x820
[  298.979294]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  298.984654]  ? syscall_return_slowpath+0x5e0/0x5e0
[  298.989579]  ? trace_hardirqs_on_caller+0x310/0x310
[  298.994591]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  298.999605]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  299.006267]  ? __switch_to_asm+0x40/0x70
[  299.010322]  ? __switch_to_asm+0x34/0x70
[  299.014389]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.019237]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  299.024613] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  299.024692] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  299.031626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  299.031631] Call Trace:
[  299.031637]  <IRQ>
[  299.031655]  dump_stack+0x244/0x39d
[  299.031673]  ? dump_stack_print_info.cold.1+0x20/0x20
[  299.038228] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  299.047495]  warn_alloc.cold.116+0xb7/0x1bd
[  299.050068] syz-executor2 cpuset=syz2 mems_allowed=0
[  299.052209]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  299.085666]  ? lock_downgrade+0x900/0x900
[  299.089821]  ? trace_hardirqs_off+0xb8/0x310
[  299.094236]  ? trace_hardirqs_off+0xb8/0x310
[  299.098645]  __alloc_pages_slowpath+0x26e8/0x2e10
[  299.103506]  ? warn_alloc+0x120/0x120
[  299.107303]  ? print_usage_bug+0xc0/0xc0
[  299.111359]  ? warn_alloc+0x120/0x120
[  299.115160]  ? warn_alloc+0x120/0x120
[  299.118962]  ? print_usage_bug+0xc0/0xc0
[  299.123027]  ? kvm_clock_read+0x18/0x30
[  299.127002]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  299.132020]  ? print_usage_bug+0xc0/0xc0
[  299.136081]  ? __lock_acquire+0x62f/0x4c20
[  299.140320]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.145851]  ? should_fail+0x22d/0xd01
[  299.149734]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.155039]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.160138]  ? __lock_acquire+0x62f/0x4c20
[  299.164371]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.169470]  ? __lock_acquire+0x62f/0x4c20
[  299.173696]  ? should_fail+0x22d/0xd01
[  299.177594]  ? rcu_irq_exit+0x1a2/0x390
[  299.181570]  ? mark_held_locks+0x130/0x130
[  299.185802]  ? mark_held_locks+0x130/0x130
[  299.190040]  ? mark_held_locks+0xc7/0x130
[  299.194182]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  299.199192]  ? zap_class+0x640/0x640
[  299.202904]  ? print_usage_bug+0xc0/0xc0
[  299.206962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.212496]  ? check_preemption_disabled+0x48/0x280
[  299.217519]  ? __lock_is_held+0xb5/0x140
[  299.221586]  __alloc_pages_nodemask+0xa80/0xde0
[  299.226250]  ? zap_class+0x640/0x640
[  299.229968]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  299.235003]  ? find_held_lock+0x36/0x1c0
[  299.239071]  ? ____cache_alloc_node+0x1c7/0x1e0
[  299.243742]  ? lock_downgrade+0x900/0x900
[  299.247890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.253425]  cache_grow_begin+0xa5/0x8c0
[  299.257480]  ? do_raw_spin_unlock+0xa7/0x330
[  299.261889]  fallback_alloc+0x204/0x2e0
[  299.265863]  ____cache_alloc_node+0x1c7/0x1e0
[  299.270357]  kmem_cache_alloc_node+0xe3/0x730
[  299.274847]  ? ipv6_get_ifaddr+0x42e/0x620
[  299.279086]  __alloc_skb+0x119/0x770
[  299.282798]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.288077]  ? netdev_alloc_frag+0x1f0/0x1f0
[  299.292480]  ? lock_downgrade+0x900/0x900
[  299.296628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.302159]  ? refcount_sub_and_test_checked+0x203/0x310
[  299.307610]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  299.313056]  ? addrconf_rs_timer+0x690/0x690
[  299.317475]  ndisc_alloc_skb+0x144/0x340
[  299.321534]  ndisc_send_rs+0x331/0x6e0
[  299.325419]  addrconf_rs_timer+0x314/0x690
[  299.329652]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.333976]  call_timer_fn+0x272/0x920
[  299.337863]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.342091]  ? process_timeout+0x40/0x40
[  299.346159]  ? mark_held_locks+0xc7/0x130
[  299.350302]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.354791]  ? _raw_spin_unlock_irq+0x27/0x80
[  299.359283]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.363512]  ? lockdep_hardirqs_on+0x296/0x5b0
[  299.368093]  ? trace_hardirqs_on+0xbd/0x310
[  299.372409]  ? kasan_check_read+0x11/0x20
[  299.376554]  ? __run_timers+0x7da/0xc70
[  299.380524]  ? trace_hardirqs_off_caller+0x310/0x310
[  299.385629]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.389866]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  299.394097]  __run_timers+0x7e5/0xc70
[  299.397904]  ? timer_fixup_init+0x70/0x70
[  299.402054]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  299.407071]  ? zap_class+0x640/0x640
[  299.410788]  ? print_usage_bug+0xc0/0xc0
[  299.414851]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  299.420039]  ? find_held_lock+0x36/0x1c0
[  299.424106]  ? zap_class+0x640/0x640
[  299.427818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.433357]  ? check_preemption_disabled+0x48/0x280
[  299.438389]  ? __lock_is_held+0xb5/0x140
[  299.442446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.447987]  ? check_preemption_disabled+0x48/0x280
[  299.453005]  run_timer_softirq+0x52/0xb0
[  299.457064]  ? rcu_read_lock_sched_held+0x14f/0x180
[  299.462078]  __do_softirq+0x308/0xb7e
[  299.465877]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  299.470370]  ? lock_downgrade+0x900/0x900
[  299.474520]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  299.479629]  ? pvclock_read_flags+0x160/0x160
[  299.484125]  ? lapic_next_event+0x5a/0x90
[  299.488271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.493816]  ? kvm_clock_read+0x18/0x30
[  299.497788]  ? kvm_sched_clock_read+0x9/0x20
[  299.502192]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.507730]  ? check_preemption_disabled+0x48/0x280
[  299.512753]  irq_exit+0x17f/0x1c0
[  299.516203]  smp_apic_timer_interrupt+0x1cb/0x760
[  299.521042]  ? smp_call_function_single_interrupt+0x159/0x650
[  299.526923]  ? smp_call_function_single_interrupt+0x650/0x650
[  299.532801]  ? interrupt_entry+0xb5/0xc0
[  299.536861]  ? trace_hardirqs_off_caller+0xbb/0x310
[  299.541872]  ? trace_hardirqs_off_caller+0xbb/0x310
[  299.546885]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.551732]  ? trace_hardirqs_on_caller+0x310/0x310
[  299.556744]  ? trace_hardirqs_on_caller+0x310/0x310
[  299.561767]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  299.566609]  apic_timer_interrupt+0xf/0x20
[  299.570836]  </IRQ>
[  299.573068] RIP: 0010:write_comp_data+0xd/0x70
[  299.577647] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  299.596541] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  299.604244] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  299.611510] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  299.618772] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  299.626512] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  299.633774] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  299.641070]  ? list_lru_count_one+0x36d/0x450
[  299.645576]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  299.650935]  list_lru_count_one+0x36d/0x450
[  299.655254]  ? list_lru_isolate_move+0x3c0/0x3c0
[  299.660003]  ? shmem_free_inode+0xd0/0xd0
[  299.664146]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.669680]  ? ubifs_shrink_count+0xc4/0x100
[  299.674096]  super_cache_count+0x1b9/0x2e0
[  299.678333]  do_shrink_slab+0x1b1/0xd30
[  299.682312]  ? lock_acquire+0x1ed/0x520
[  299.686289]  ? snapshot_refaults+0x290/0x290
[  299.690715]  ? lock_release+0xa00/0xa00
[  299.694693]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  299.699627]  ? down_read_trylock+0xda/0x140
[  299.704031]  ? shrink_slab+0x207/0x8c0
[  299.707917]  ? downgrade_write+0x270/0x270
[  299.712159]  shrink_slab+0x389/0x8c0
[  299.715871]  ? shrink_active_list+0x1f00/0x1f00
[  299.720545]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  299.726169]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  299.731278]  ? cgroup_procs_write_finish+0xf0/0xf0
[  299.736211]  ? find_held_lock+0x36/0x1c0
[  299.740276]  shrink_node+0x431/0x16b0
[  299.744076]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  299.749376]  ? shrink_node_memcg+0x18f0/0x18f0
[  299.753968]  ? kvm_clock_read+0x18/0x30
[  299.757949]  ? ktime_get+0x2c1/0x400
[  299.761660]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  299.766184]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  299.771718]  ? __cpuset_node_allowed+0x19b/0x660
[  299.776473]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  299.782181]  ? delayacct_end+0x5a/0x100
[  299.786157]  do_try_to_free_pages+0x3e7/0x1290
[  299.790737]  ? zap_class+0x640/0x640
[  299.794462]  ? shrink_node+0x16b0/0x16b0
[  299.798522]  ? __lock_is_held+0xb5/0x140
[  299.802592]  try_to_free_pages+0x4d0/0xb90
[  299.806831]  ? do_try_to_free_pages+0x1290/0x1290
[  299.811688]  ? lock_acquire+0x1ed/0x520
[  299.815656]  ? set_page_refcounted+0x280/0x280
[  299.820248]  ? lock_release+0xa00/0xa00
[  299.824218]  ? _raw_spin_unlock_irq+0x60/0x80
[  299.828710]  ? psi_memstall_enter+0x240/0x2b0
[  299.833200]  ? psi_memstall_tick+0x230/0x230
[  299.837758]  __alloc_pages_slowpath+0xa14/0x2e10
[  299.842534]  ? warn_alloc+0x120/0x120
[  299.846331]  ? mark_held_locks+0x130/0x130
[  299.850589]  ? find_get_entry+0xaae/0x1120
[  299.854830]  ? filemap_map_pages+0x1a20/0x1a20
[  299.859429]  ? zap_class+0x640/0x640
[  299.863142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  299.868686]  ? check_preemption_disabled+0x48/0x280
[  299.873711]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  299.879245]  ? should_fail+0x22d/0xd01
[  299.883132]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  299.888231]  ? zap_class+0x640/0x640
[  299.891968]  ? __lock_is_held+0xb5/0x140
[  299.896030]  ? mark_held_locks+0x130/0x130
[  299.900272]  ? lock_release+0xa00/0xa00
[  299.904245]  ? perf_trace_sched_process_exec+0x860/0x860
[  299.909702]  ? xa_load+0x2ba/0x460
[  299.913250]  ? lock_downgrade+0x900/0x900
[  299.917402]  ? __might_sleep+0x95/0x190
[  299.921380]  __alloc_pages_nodemask+0xa80/0xde0
[  299.926077]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  299.931095]  ? __page_cache_alloc+0x191/0x5c0
[  299.935585]  ? xa_load+0x2e1/0x460
[  299.939135]  ? xa_clear_mark+0x40/0x40
[  299.943025]  ? zap_class+0x640/0x640
[  299.946751]  ? zap_class+0x640/0x640
[  299.950462]  ? zap_class+0x640/0x640
[  299.954170]  ? __do_page_cache_readahead+0x663/0x810
[  299.959275]  ? find_held_lock+0x36/0x1c0
[  299.963339]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  299.968879]  alloc_pages_current+0x173/0x350
[  299.973291]  __page_cache_alloc+0x38c/0x5c0
[  299.977605]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  299.982545]  ? kasan_check_read+0x11/0x20
[  299.986694]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  299.991970]  ? generic_perform_write+0x6a0/0x6a0
[  299.996724]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.002261]  ? check_preemption_disabled+0x48/0x280
[  300.007277]  filemap_fault+0x1595/0x25f0
[  300.011349]  ? __lock_page_or_retry+0xa00/0xa00
[  300.016018]  ? mark_held_locks+0x130/0x130
[  300.020257]  ? filemap_map_pages+0xd6b/0x1a20
[  300.024751]  ? lock_downgrade+0x900/0x900
[  300.028895]  ? check_preemption_disabled+0x48/0x280
[  300.033929]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  300.038869]  ? kasan_check_read+0x11/0x20
[  300.043009]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.048284]  ? rcu_softirq_qs+0x20/0x20
[  300.052267]  ? filemap_map_pages+0xd92/0x1a20
[  300.056773]  ? find_get_entries_tag+0x1400/0x1400
[  300.061617]  ? debug_object_destroy+0x2b0/0x2b0
[  300.066283]  ? lock_pi_update_atomic+0x150/0x150
[  300.071033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.076580]  ? lock_acquire+0x1ed/0x520
[  300.080549]  ? ext4_filemap_fault+0x7a/0xad
[  300.084870]  ? lock_release+0xa00/0xa00
[  300.088842]  ? perf_trace_sched_process_exec+0x860/0x860
[  300.094287]  ? print_usage_bug+0xc0/0xc0
[  300.098343]  ? print_usage_bug+0xc0/0xc0
[  300.102410]  ? down_read+0x8d/0x120
[  300.106028]  ? ext4_filemap_fault+0x7a/0xad
[  300.110349]  ? __down_interruptible+0x700/0x700
[  300.115019]  ext4_filemap_fault+0x82/0xad
[  300.119163]  __do_fault+0x100/0x6b0
[  300.122789]  ? pmd_devmap_trans_unstable+0x220/0x220
[  300.127889]  ? mark_held_locks+0x130/0x130
[  300.132126]  ? mark_held_locks+0x130/0x130
[  300.136355]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.141625]  ? rcu_softirq_qs+0x20/0x20
[  300.145605]  ? kasan_check_write+0x14/0x20
[  300.149836]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.155372]  __handle_mm_fault+0x3ea0/0x5be0
[  300.159784]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  300.164622]  ? aa_path_link+0x5e0/0x5e0
[  300.168605]  ? ksys_dup3+0x680/0x680
[  300.172323]  ? zap_class+0x640/0x640
[  300.176033]  ? zap_class+0x640/0x640
[  300.179743]  ? __x64_sys_futex+0x53e/0x6a0
[  300.183976]  ? find_held_lock+0x36/0x1c0
[  300.188039]  ? handle_mm_fault+0x42a/0xc70
[  300.192271]  ? lock_downgrade+0x900/0x900
[  300.196417]  ? check_preemption_disabled+0x48/0x280
[  300.201447]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  300.206385]  ? kasan_check_read+0x11/0x20
[  300.210527]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.215800]  ? rcu_softirq_qs+0x20/0x20
[  300.219767]  ? trace_hardirqs_off_caller+0x310/0x310
[  300.224867]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.230403]  ? check_preemption_disabled+0x48/0x280
[  300.235422]  handle_mm_fault+0x54f/0xc70
[  300.239485]  ? __handle_mm_fault+0x5be0/0x5be0
[  300.244066]  ? find_vma+0x34/0x190
[  300.247625]  __do_page_fault+0x5e8/0xe60
[  300.251774]  ? trace_hardirqs_off+0xb8/0x310
[  300.256193]  do_page_fault+0xf2/0x7e0
[  300.259992]  ? vmalloc_sync_all+0x30/0x30
[  300.264147]  ? error_entry+0x70/0xd0
[  300.267858]  ? trace_hardirqs_off_caller+0xbb/0x310
[  300.272871]  ? trace_hardirqs_on_caller+0xc0/0x310
[  300.277798]  ? syscall_return_slowpath+0x5e0/0x5e0
[  300.282738]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.287580]  ? trace_hardirqs_on_caller+0x310/0x310
[  300.292596]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  300.298066]  ? prepare_exit_to_usermode+0x291/0x3b0
[  300.303075]  ? page_fault+0x8/0x30
[  300.306612]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  300.311463]  ? page_fault+0x8/0x30
[  300.314999]  page_fault+0x1e/0x30
[  300.318453] RIP: 0033:0x40f9c0
[  300.321659] Code: Bad RIP value.
[  300.325016] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  300.330377] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  300.337651] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  300.344914] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  300.352175] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  300.359435] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  300.366716] warn_alloc_show_mem: 1 callbacks suppressed
[  300.366725] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  300.366727] Mem-Info:
[  300.366759] active_anon:51741 inactive_anon:192 isolated_anon:0
[  300.366759]  active_file:28 inactive_file:10 isolated_file:0
[  300.366759]  unevictable:0 dirty:0 writeback:0 unstable:0
[  300.366759]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  300.366759]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  300.366759]  free:13684 free_pcp:150 free_cma:0
[  300.372096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  300.379367] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  300.381755] Call Trace:
[  300.414614] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  300.423961]  <IRQ>
[  300.451515] lowmem_reserve[]: 0 2818 6321 6321
[  300.454103]  dump_stack+0x244/0x39d
[  300.480176] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  300.482324]  ? dump_stack_print_info.cold.1+0x20/0x20
[  300.486878] lowmem_reserve[]: 0 0 3503 3503
[  300.490501]  warn_alloc.cold.116+0xb7/0x1bd
[  300.518056] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  300.523237]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  300.527524] lowmem_reserve[]: 0 0 0 0
[  300.531838]  ? lock_downgrade+0x900/0x900
[  300.560695] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  300.565539]  ? trace_hardirqs_off+0xb8/0x310
[  300.569300] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  300.573448]  ? trace_hardirqs_off+0xb8/0x310
[  300.586932] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  300.591345]  __alloc_pages_slowpath+0x26e8/0x2e10
[  300.606664] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  300.611073]  ? warn_alloc+0x120/0x120
[  300.626313] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  300.631143]  ? print_usage_bug+0xc0/0xc0
[  300.639951] 281 total pagecache pages
[  300.643736]  ? warn_alloc+0x120/0x120
[  300.652300] 0 pages in swap cache
[  300.656344]  ? warn_alloc+0x120/0x120
[  300.660115] Swap cache stats: add 0, delete 0, find 0/0
[  300.663904]  ? print_usage_bug+0xc0/0xc0
[  300.667332] Free swap  = 0kB
[  300.671118]  ? kvm_clock_read+0x18/0x30
[  300.676448] Total swap = 0kB
[  300.680497]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  300.683484] 1965979 pages RAM
[  300.687444]  ? print_usage_bug+0xc0/0xc0
[  300.690435] 0 pages HighMem/MovableOnly
[  300.695438]  ? __lock_acquire+0x62f/0x4c20
[  300.698512] 342854 pages reserved
[  300.702563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  300.706503] 0 pages cma reserved
[  300.706585] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  300.710735]  ? should_fail+0x22d/0xd01
[  300.710749]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.710766]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.714253] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  300.719716]  ? __lock_acquire+0x62f/0x4c20
[  300.723049] syz-fuzzer cpuset=/ mems_allowed=0
[  300.729531]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  300.767803]  ? __lock_acquire+0x62f/0x4c20
[  300.772036]  ? should_fail+0x22d/0xd01
[  300.775917]  ? rcu_irq_exit+0x1a2/0x390
[  300.779896]  ? mark_held_locks+0x130/0x130
[  300.784129]  ? mark_held_locks+0x130/0x130
[  300.788372]  ? mark_held_locks+0xc7/0x130
[  300.793055]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  300.798075]  ? zap_class+0x640/0x640
[  300.801792]  ? print_usage_bug+0xc0/0xc0
[  300.805857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.811406]  ? check_preemption_disabled+0x48/0x280
[  300.816425]  ? __lock_is_held+0xb5/0x140
[  300.820490]  __alloc_pages_nodemask+0xa80/0xde0
[  300.825159]  ? zap_class+0x640/0x640
[  300.828876]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  300.833900]  ? find_held_lock+0x36/0x1c0
[  300.837984]  ? ____cache_alloc_node+0x1c7/0x1e0
[  300.842650]  ? lock_downgrade+0x900/0x900
[  300.846804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.852346]  cache_grow_begin+0xa5/0x8c0
[  300.856455]  ? do_raw_spin_unlock+0xa7/0x330
[  300.860865]  fallback_alloc+0x204/0x2e0
[  300.864841]  ____cache_alloc_node+0x1c7/0x1e0
[  300.869344]  kmem_cache_alloc_node+0xe3/0x730
[  300.873840]  ? ipv6_get_ifaddr+0x42e/0x620
[  300.878083]  __alloc_skb+0x119/0x770
[  300.881796]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  300.887069]  ? netdev_alloc_frag+0x1f0/0x1f0
[  300.891472]  ? lock_downgrade+0x900/0x900
[  300.895631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  300.901167]  ? refcount_sub_and_test_checked+0x203/0x310
[  300.906617]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  300.912061]  ? addrconf_rs_timer+0x690/0x690
[  300.916478]  ndisc_alloc_skb+0x144/0x340
[  300.920541]  ndisc_send_rs+0x331/0x6e0
[  300.924426]  addrconf_rs_timer+0x314/0x690
[  300.928674]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.932914]  call_timer_fn+0x272/0x920
[  300.936795]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.941024]  ? process_timeout+0x40/0x40
[  300.945092]  ? __run_timers+0x7da/0xc70
[  300.949065]  ? _raw_spin_unlock_irq+0x27/0x80
[  300.953556]  ? _raw_spin_unlock_irq+0x27/0x80
[  300.958053]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.962288]  ? lockdep_hardirqs_on+0x296/0x5b0
[  300.966867]  ? trace_hardirqs_on+0xbd/0x310
[  300.971186]  ? kasan_check_read+0x11/0x20
[  300.975337]  ? __run_timers+0x7da/0xc70
[  300.979307]  ? trace_hardirqs_off_caller+0x310/0x310
[  300.984413]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.988662]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  300.992893]  __run_timers+0x7e5/0xc70
[  300.996705]  ? timer_fixup_init+0x70/0x70
[  301.000850]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  301.005866]  ? zap_class+0x640/0x640
[  301.009585]  ? enqueue_hrtimer+0x1a5/0x560
[  301.013816]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  301.019099]  ? find_held_lock+0x36/0x1c0
[  301.023159]  ? zap_class+0x640/0x640
[  301.026873]  ? pvclock_read_flags+0x160/0x160
[  301.031366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.036904]  ? check_preemption_disabled+0x48/0x280
[  301.041925]  ? __lock_is_held+0xb5/0x140
[  301.045987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.051878]  ? check_preemption_disabled+0x48/0x280
[  301.056893]  run_timer_softirq+0x52/0xb0
[  301.060950]  ? rcu_read_lock_sched_held+0x14f/0x180
[  301.065965]  __do_softirq+0x308/0xb7e
[  301.069766]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  301.074254]  ? lock_downgrade+0x900/0x900
[  301.078402]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  301.083505]  ? pvclock_read_flags+0x160/0x160
[  301.088000]  ? lapic_next_event+0x5a/0x90
[  301.092148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.097686]  ? kvm_clock_read+0x18/0x30
[  301.101656]  ? kvm_sched_clock_read+0x9/0x20
[  301.106072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.111608]  ? check_preemption_disabled+0x48/0x280
[  301.116635]  irq_exit+0x17f/0x1c0
[  301.120091]  smp_apic_timer_interrupt+0x1cb/0x760
[  301.124931]  ? smp_reschedule_interrupt+0x109/0x650
[  301.129946]  ? smp_call_function_single_interrupt+0x650/0x650
[  301.135882]  ? interrupt_entry+0xb5/0xc0
[  301.139946]  ? trace_hardirqs_off_caller+0xbb/0x310
[  301.144959]  ? trace_hardirqs_off_caller+0xbb/0x310
[  301.149982]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.154820]  ? trace_hardirqs_on_caller+0x310/0x310
[  301.159835]  ? trace_hardirqs_on_caller+0x310/0x310
[  301.164847]  ? task_prio+0x50/0x50
[  301.168388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.173926]  ? check_preemption_disabled+0x48/0x280
[  301.178945]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.183792]  apic_timer_interrupt+0xf/0x20
[  301.188020]  </IRQ>
[  301.190264] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  301.195196] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  301.214088] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  301.221796] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  301.229061] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  301.236336] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  301.243597] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  301.250877] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  301.258181]  skb_clone+0x1bb/0x500
[  301.261723]  ? finish_task_switch+0x1b4/0x910
[  301.266214]  ? skb_split+0x11e0/0x11e0
[  301.270101]  ? preempt_notifier_register+0x200/0x200
[  301.275211]  ? __switch_to_asm+0x34/0x70
[  301.279279]  ? __switch_to_asm+0x34/0x70
[  301.283336]  ? __switch_to_asm+0x40/0x70
[  301.287388]  ? __switch_to_asm+0x34/0x70
[  301.291439]  ? __switch_to_asm+0x40/0x70
[  301.295492]  ? __switch_to_asm+0x34/0x70
[  301.299553]  ? __switch_to_asm+0x40/0x70
[  301.303605]  ? __switch_to_asm+0x34/0x70
[  301.307662]  ? __switch_to_asm+0x34/0x70
[  301.311715]  ? __switch_to_asm+0x40/0x70
[  301.315856]  ? __switch_to_asm+0x34/0x70
[  301.319922]  bpf_clone_redirect+0xb9/0x490
[  301.324155]  ? __schedule+0x8d7/0x21d0
[  301.328054]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  301.333072]  ? __sched_text_start+0x8/0x8
[  301.337223]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  301.341798]  ? retint_kernel+0x2d/0x2d
[  301.345683]  ? trace_hardirqs_on_caller+0xc0/0x310
[  301.350610]  ? find_held_lock+0x36/0x1c0
[  301.354676]  ? lock_acquire+0x1ed/0x520
[  301.358647]  ? bpf_test_run+0x3cb/0x780
[  301.362621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.368165]  ? check_preemption_disabled+0x48/0x280
[  301.373184]  ? kasan_check_read+0x11/0x20
[  301.377332]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.382606]  ? rcu_softirq_qs+0x20/0x20
[  301.386577]  ? preempt_schedule+0x4d/0x60
[  301.390723]  ? ___preempt_schedule+0x16/0x18
[  301.395137]  ? bpf_test_run+0x25d/0x780
[  301.399117]  ? netlink_diag_dump+0x2a0/0x2a0
[  301.403526]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.409066]  ? bpf_test_init.isra.10+0x70/0x100
[  301.413739]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  301.418501]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  301.423350]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  301.428977]  ? fput+0x130/0x1a0
[  301.432351]  ? __bpf_prog_get+0x9b/0x290
[  301.436414]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  301.441251]  ? bpf_prog_test_run+0x130/0x1a0
[  301.445660]  ? __x64_sys_bpf+0x3d8/0x520
[  301.449716]  ? bpf_prog_get+0x20/0x20
[  301.453536]  ? do_syscall_64+0x1b9/0x820
[  301.457604]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  301.462963]  ? syscall_return_slowpath+0x5e0/0x5e0
[  301.467894]  ? trace_hardirqs_on_caller+0x310/0x310
[  301.472905]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  301.477921]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  301.484586]  ? __switch_to_asm+0x40/0x70
[  301.488651]  ? __switch_to_asm+0x34/0x70
[  301.492711]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  301.497558]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  301.502934] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  301.502975] rcu: INFO: rcu_preempt self-detected stall on CPU
[  301.509949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  301.509956] Call Trace:
[  301.516132] rcu: 	1-...!: (192 ticks this GP) idle=b02/1/0x4000000000000004 softirq=11602/11604 fqs=13 
[  301.525155]  <IRQ>
[  301.525176]  dump_stack+0x244/0x39d
[  301.525192]  ? dump_stack_print_info.cold.1+0x20/0x20
[  301.525217]  warn_alloc.cold.116+0xb7/0x1bd
[  301.525234]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  301.525254]  ? lock_downgrade+0x900/0x900
[  301.525277]  ? trace_hardirqs_off+0xb8/0x310
[  301.527980] rcu: 	 (t=10582 jiffies g=12885 q=8)
[  301.537501]  ? trace_hardirqs_off+0xb8/0x310
[  301.539642] rcu: rcu_preempt kthread starved for 8758 jiffies! g12885 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[  301.543253]  __alloc_pages_slowpath+0x26e8/0x2e10
[  301.548584] rcu: RCU grace-period kthread stack dump:
[  301.552923]  ? warn_alloc+0x120/0x120
[  301.557720] rcu_preempt     R  running task    22696    10      2 0x80000000
[  301.561869]  ? print_usage_bug+0xc0/0xc0
[  301.566244] Call Trace:
[  301.570989]  ? warn_alloc+0x120/0x120
[  301.575379]  __schedule+0x8cf/0x21d0
[  301.585758]  ? warn_alloc+0x120/0x120
[  301.590584]  ? __sched_text_start+0x8/0x8
[  301.595752]  ? print_usage_bug+0xc0/0xc0
[  301.599543]  ? add_timer_on+0xa20/0xa20
[  301.606706]  ? print_usage_bug+0xc0/0xc0
[  301.610745]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  301.613310]  ? __lock_acquire+0x62f/0x4c20
[  301.617090]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  301.620792]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  301.624955]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  301.629082]  ? should_fail+0x22d/0xd01
[  301.633136]  ? trace_hardirqs_on+0xbd/0x310
[  301.637093]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.641134]  ? kasan_check_read+0x11/0x20
[  301.646214]  ? __lock_acquire+0x62f/0x4c20
[  301.650428]  ? prepare_to_swait_event+0x25a/0x800
[  301.655519]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  301.661040]  ? trace_hardirqs_off_caller+0x310/0x310
[  301.665594]  ? __lock_acquire+0x62f/0x4c20
[  301.665609]  ? should_fail+0x22d/0xd01
[  301.669479]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  301.673781]  ? find_held_lock+0x36/0x1c0
[  301.678862]  schedule+0xfe/0x460
[  301.682995]  ? mark_held_locks+0x130/0x130
[  301.687204]  ? __schedule+0x21d0/0x21d0
[  301.692030]  ? mark_held_locks+0x130/0x130
[  301.697115]  ? prepare_to_swait_event+0x25a/0x800
[  301.702201]  ? zap_class+0x640/0x640
[  301.702216]  ? zap_class+0x640/0x640
[  301.706435]  ? __init_swait_queue_head+0x150/0x150
[  301.710303]  ? print_usage_bug+0xc0/0xc0
[  301.715384]  ? __lockdep_init_map+0x105/0x590
[  301.719426]  ? do_raw_spin_unlock+0xa7/0x330
[  301.722776]  ? lockdep_init_map+0x9/0x10
[  301.726992]  ? zap_class+0x640/0x640
[  301.730951]  schedule_timeout+0x140/0x260
[  301.735166]  ? print_usage_bug+0xc0/0xc0
[  301.739988]  ? usleep_range+0x1a0/0x1a0
[  301.743672]  ? wq_watchdog_touch+0x9c/0xfe
[  301.743691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.747383]  ? __next_timer_interrupt+0x1a0/0x1a0
[  301.752292]  ? check_preemption_disabled+0x48/0x280
[  301.756339]  rcu_gp_fqs_loop+0x762/0xa80
[  301.760807]  ? __lock_is_held+0xb5/0x140
[  301.765196]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  301.769238]  __alloc_pages_nodemask+0xa80/0xde0
[  301.772931]  ? trace_hardirqs_off_caller+0x310/0x310
[  301.777057]  ? zap_class+0x640/0x640
[  301.781098]  ? perf_trace_sched_process_exec+0x860/0x860
[  301.785050]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  301.789269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.794793]  ? find_held_lock+0x36/0x1c0
[  301.799614]  ? rcu_gp_init+0x90b/0x1260
[  301.804630]  ? ____cache_alloc_node+0x1c7/0x1e0
[  301.808670]  ? __switch_to_asm+0x40/0x70
[  301.812715]  ? lock_downgrade+0x900/0x900
[  301.817452]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  301.822104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.827182]  ? __switch_to_asm+0x40/0x70
[  301.830880]  cache_grow_begin+0xa5/0x8c0
[  301.836307]  ? find_held_lock+0x36/0x1c0
[  301.841302]  ? do_raw_spin_unlock+0xa7/0x330
[  301.846818]  ? zap_class+0x640/0x640
[  301.850863]  fallback_alloc+0x204/0x2e0
[  301.854818]  ? prepare_to_swait_event+0x25a/0x800
[  301.859465]  ____cache_alloc_node+0x1c7/0x1e0
[  301.863515]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  301.867643]  kmem_cache_alloc_node+0xe3/0x730
[  301.872379]  ? find_held_lock+0x36/0x1c0
[  301.877894]  ? ipv6_get_ifaddr+0x42e/0x620
[  301.881940]  ? finish_swait+0x25d/0x430
[  301.885987]  __alloc_skb+0x119/0x770
[  301.890018]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  301.894402]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  301.898095]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  301.902051]  ? netdev_alloc_frag+0x1f0/0x1f0
[  301.906873]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  301.911347]  ? lock_downgrade+0x900/0x900
[  301.916430]  ? trace_hardirqs_on+0xbd/0x310
[  301.920905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  301.924944]  ? kasan_check_read+0x11/0x20
[  301.929161]  ? refcount_sub_and_test_checked+0x203/0x310
[  301.933117]  ? trace_hardirqs_off_caller+0x310/0x310
[  301.936811]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  301.941896]  ? __init_swait_queue_head+0x150/0x150
[  301.947151]  ? addrconf_rs_timer+0x690/0x690
[  301.952237]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  301.956630]  ndisc_alloc_skb+0x144/0x340
[  301.961202]  ? finish_swait+0x25d/0x430
[  301.965332]  ndisc_send_rs+0x331/0x6e0
[  301.969642]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  301.975163]  addrconf_rs_timer+0x314/0x690
[  301.979299]  ? swake_up_locked+0x360/0x360
[  301.984730]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  301.989816]  ? trace_hardirqs_off_caller+0x310/0x310
[  301.995250]  call_timer_fn+0x272/0x920
[  302.000162]  ? perf_trace_sched_process_exec+0x860/0x860
[  302.004548]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.009634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.013687]  ? process_timeout+0x40/0x40
[  302.017646]  rcu_gp_kthread+0x341/0xc70
[  302.021519]  ? mark_held_locks+0xc7/0x130
[  302.026078]  ? rcu_gp_init+0x1260/0x1260
[  302.030289]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.034506]  ? mark_held_locks+0x130/0x130
[  302.034523]  ? __schedule+0x168a/0x21d0
[  302.038752]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.043835]  ? _raw_spin_unlock_irq+0x27/0x80
[  302.047707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.053136]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  302.057350]  ? lockdep_hardirqs_on+0x296/0x5b0
[  302.062870]  ? trace_hardirqs_on+0xbd/0x310
[  302.066913]  ? trace_hardirqs_on+0xbd/0x310
[  302.070867]  ? kasan_check_read+0x11/0x20
[  302.074993]  ? kasan_check_read+0x11/0x20
[  302.079033]  ? __schedule+0x168a/0x21d0
[  302.083507]  ? __run_timers+0x7da/0xc70
[  302.087745]  ? trace_hardirqs_off_caller+0x310/0x310
[  302.091697]  ? trace_hardirqs_off_caller+0x310/0x310
[  302.096172]  ? lock_pin_lock+0x350/0x350
[  302.100651]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.104871]  ? _raw_spin_unlock_irq+0x60/0x80
[  302.109431]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  302.113994]  ? __schedule+0x168a/0x21d0
[  302.118293]  __run_timers+0x7e5/0xc70
[  302.122593]  ? __switch_to_asm+0x40/0x70
[  302.126730]  ? timer_fixup_init+0x70/0x70
[  302.130847]  ? __switch_to_asm+0x40/0x70
[  302.134802]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  302.138755]  ? show_schedstat+0x731/0xf30
[  302.143832]  ? zap_class+0x640/0x640
[  302.148917]  ? __sched_text_start+0x8/0x8
[  302.152956]  ? print_usage_bug+0xc0/0xc0
[  302.157176]  ? find_held_lock+0x36/0x1c0
[  302.161661]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  302.165879]  ? __kthread_parkme+0xce/0x1a0
[  302.169828]  ? find_held_lock+0x36/0x1c0
[  302.173603]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  302.177644]  ? zap_class+0x640/0x640
[  302.181766]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  302.185808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.190803]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  302.195021]  ? check_preemption_disabled+0x48/0x280
[  302.198711]  ? trace_hardirqs_on+0xbd/0x310
[  302.202845]  ? __lock_is_held+0xb5/0x140
[  302.206881]  ? kasan_check_read+0x11/0x20
[  302.210918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.216084]  ? __kthread_parkme+0xce/0x1a0
[  302.220300]  ? check_preemption_disabled+0x48/0x280
[  302.224338]  ? trace_hardirqs_off_caller+0x310/0x310
[  302.229421]  run_timer_softirq+0x52/0xb0
[  302.233122]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  302.238199]  ? rcu_read_lock_sched_held+0x14f/0x180
[  302.243723]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.248287]  __do_softirq+0x308/0xb7e
[  302.253279]  ? __kthread_parkme+0xfb/0x1a0
[  302.257580]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  302.261622]  ? rcu_gp_init+0x1260/0x1260
[  302.265743]  ? lock_downgrade+0x900/0x900
[  302.265762]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  302.271278]  kthread+0x35a/0x440
[  302.275493]  ? pvclock_read_flags+0x160/0x160
[  302.280487]  ? kthread_stop+0x900/0x900
[  302.285577]  ? lapic_next_event+0x5a/0x90
[  302.289618]  ret_from_fork+0x3a/0x50
[  302.294702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.299712] NMI backtrace for cpu 1
[  302.305238]  ? kvm_clock_read+0x18/0x30
[  302.363758]  ? kvm_sched_clock_read+0x9/0x20
[  302.368166]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.373700]  ? check_preemption_disabled+0x48/0x280
[  302.378730]  irq_exit+0x17f/0x1c0
[  302.382185]  smp_apic_timer_interrupt+0x1cb/0x760
[  302.387021]  ? smp_call_function_single_interrupt+0x159/0x650
[  302.392901]  ? smp_call_function_single_interrupt+0x650/0x650
[  302.398779]  ? interrupt_entry+0xb5/0xc0
[  302.402838]  ? trace_hardirqs_off_caller+0xbb/0x310
[  302.407849]  ? trace_hardirqs_off_caller+0xbb/0x310
[  302.412861]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.417706]  ? trace_hardirqs_on_caller+0x310/0x310
[  302.422719]  ? trace_hardirqs_on_caller+0x310/0x310
[  302.427743]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  302.432592]  apic_timer_interrupt+0xf/0x20
[  302.436818]  </IRQ>
[  302.439050] RIP: 0010:write_comp_data+0xd/0x70
[  302.443629] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  302.462524] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  302.470229] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  302.477492] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  302.484768] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  302.492028] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  302.499288] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  302.506578]  ? list_lru_count_one+0x36d/0x450
[  302.511076]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  302.516441]  list_lru_count_one+0x36d/0x450
[  302.520761]  ? list_lru_isolate_move+0x3c0/0x3c0
[  302.525511]  ? shmem_free_inode+0xd0/0xd0
[  302.529658]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.535195]  ? ubifs_shrink_count+0xc4/0x100
[  302.539605]  super_cache_count+0x1b9/0x2e0
[  302.543840]  do_shrink_slab+0x1b1/0xd30
[  302.547814]  ? lock_acquire+0x1ed/0x520
[  302.551788]  ? snapshot_refaults+0x290/0x290
[  302.556194]  ? lock_release+0xa00/0xa00
[  302.560171]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  302.565102]  ? down_read_trylock+0xda/0x140
[  302.569415]  ? shrink_slab+0x207/0x8c0
[  302.573301]  ? downgrade_write+0x270/0x270
[  302.578062]  shrink_slab+0x389/0x8c0
[  302.581773]  ? shrink_active_list+0x1f00/0x1f00
[  302.586448]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  302.592075]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  302.597193]  ? cgroup_procs_write_finish+0xf0/0xf0
[  302.602136]  ? find_held_lock+0x36/0x1c0
[  302.606207]  shrink_node+0x431/0x16b0
[  302.610006]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  302.615309]  ? shrink_node_memcg+0x18f0/0x18f0
[  302.619891]  ? kvm_clock_read+0x18/0x30
[  302.623864]  ? ktime_get+0x2c1/0x400
[  302.627579]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  302.632078]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  302.637611]  ? __cpuset_node_allowed+0x19b/0x660
[  302.642365]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  302.648073]  ? delayacct_end+0x5a/0x100
[  302.652056]  do_try_to_free_pages+0x3e7/0x1290
[  302.656631]  ? zap_class+0x640/0x640
[  302.660387]  ? shrink_node+0x16b0/0x16b0
[  302.664469]  ? __lock_is_held+0xb5/0x140
[  302.668539]  try_to_free_pages+0x4d0/0xb90
[  302.672776]  ? do_try_to_free_pages+0x1290/0x1290
[  302.677623]  ? lock_acquire+0x1ed/0x520
[  302.681600]  ? set_page_refcounted+0x280/0x280
[  302.686183]  ? lock_release+0xa00/0xa00
[  302.690155]  ? _raw_spin_unlock_irq+0x60/0x80
[  302.694646]  ? psi_memstall_enter+0x240/0x2b0
[  302.699142]  ? psi_memstall_tick+0x230/0x230
[  302.703560]  __alloc_pages_slowpath+0xa14/0x2e10
[  302.708336]  ? warn_alloc+0x120/0x120
[  302.712134]  ? mark_held_locks+0x130/0x130
[  302.716366]  ? find_get_entry+0xaae/0x1120
[  302.720631]  ? filemap_map_pages+0x1a20/0x1a20
[  302.725224]  ? zap_class+0x640/0x640
[  302.728951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.734513]  ? check_preemption_disabled+0x48/0x280
[  302.739540]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.745076]  ? should_fail+0x22d/0xd01
[  302.748962]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  302.754060]  ? zap_class+0x640/0x640
[  302.757791]  ? __lock_is_held+0xb5/0x140
[  302.761852]  ? mark_held_locks+0x130/0x130
[  302.766083]  ? lock_release+0xa00/0xa00
[  302.770053]  ? perf_trace_sched_process_exec+0x860/0x860
[  302.775502]  ? xa_load+0x2ba/0x460
[  302.779085]  ? lock_downgrade+0x900/0x900
[  302.783230]  ? __might_sleep+0x95/0x190
[  302.787202]  __alloc_pages_nodemask+0xa80/0xde0
[  302.792249]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  302.797264]  ? __page_cache_alloc+0x191/0x5c0
[  302.801754]  ? xa_load+0x2e1/0x460
[  302.805290]  ? xa_clear_mark+0x40/0x40
[  302.809177]  ? zap_class+0x640/0x640
[  302.812897]  ? zap_class+0x640/0x640
[  302.816610]  ? zap_class+0x640/0x640
[  302.820318]  ? __do_page_cache_readahead+0x663/0x810
[  302.825442]  ? find_held_lock+0x36/0x1c0
[  302.829505]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  302.835043]  alloc_pages_current+0x173/0x350
[  302.839451]  __page_cache_alloc+0x38c/0x5c0
[  302.843771]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  302.848694]  ? kasan_check_read+0x11/0x20
[  302.852837]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.858116]  ? generic_perform_write+0x6a0/0x6a0
[  302.862867]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  302.868576]  ? check_preemption_disabled+0x48/0x280
[  302.873593]  filemap_fault+0x1595/0x25f0
[  302.877670]  ? __lock_page_or_retry+0xa00/0xa00
[  302.882340]  ? mark_held_locks+0x130/0x130
[  302.886578]  ? filemap_map_pages+0xd6b/0x1a20
[  302.891070]  ? lock_downgrade+0x900/0x900
[  302.895215]  ? check_preemption_disabled+0x48/0x280
[  302.900229]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  302.905154]  ? kasan_check_read+0x11/0x20
[  302.909298]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  302.914572]  ? rcu_softirq_qs+0x20/0x20
[  302.918558]  ? filemap_map_pages+0xd92/0x1a20
[  302.923246]  ? find_get_entries_tag+0x1400/0x1400
[  302.928091]  ? debug_object_destroy+0x2b0/0x2b0
[  302.932758]  ? lock_pi_update_atomic+0x150/0x150
[  302.937511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  302.943062]  ? lock_acquire+0x1ed/0x520
[  302.947034]  ? ext4_filemap_fault+0x7a/0xad
[  302.951361]  ? lock_release+0xa00/0xa00
[  302.955339]  ? perf_trace_sched_process_exec+0x860/0x860
[  302.960790]  ? print_usage_bug+0xc0/0xc0
[  302.964852]  ? print_usage_bug+0xc0/0xc0
[  302.968919]  ? down_read+0x8d/0x120
[  302.972540]  ? ext4_filemap_fault+0x7a/0xad
[  302.976856]  ? __down_interruptible+0x700/0x700
[  302.981530]  ext4_filemap_fault+0x82/0xad
[  302.985682]  __do_fault+0x100/0x6b0
[  302.989309]  ? pmd_devmap_trans_unstable+0x220/0x220
[  302.994417]  ? mark_held_locks+0x130/0x130
[  302.998651]  ? mark_held_locks+0x130/0x130
[  303.002880]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  303.008153]  ? rcu_softirq_qs+0x20/0x20
[  303.012129]  ? kasan_check_write+0x14/0x20
[  303.016364]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.021906]  __handle_mm_fault+0x3ea0/0x5be0
[  303.026318]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  303.031162]  ? aa_path_link+0x5e0/0x5e0
[  303.035138]  ? ksys_dup3+0x680/0x680
[  303.038862]  ? zap_class+0x640/0x640
[  303.042570]  ? zap_class+0x640/0x640
[  303.046277]  ? __x64_sys_futex+0x53e/0x6a0
[  303.050514]  ? find_held_lock+0x36/0x1c0
[  303.054591]  ? handle_mm_fault+0x42a/0xc70
[  303.058822]  ? lock_downgrade+0x900/0x900
[  303.062970]  ? check_preemption_disabled+0x48/0x280
[  303.067997]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  303.072934]  ? kasan_check_read+0x11/0x20
[  303.077079]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  303.082350]  ? rcu_softirq_qs+0x20/0x20
[  303.086326]  ? trace_hardirqs_off_caller+0x310/0x310
[  303.091429]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  303.096965]  ? check_preemption_disabled+0x48/0x280
[  303.101982]  handle_mm_fault+0x54f/0xc70
[  303.106042]  ? __handle_mm_fault+0x5be0/0x5be0
[  303.110624]  ? find_vma+0x34/0x190
[  303.114175]  __do_page_fault+0x5e8/0xe60
[  303.118235]  ? trace_hardirqs_off+0xb8/0x310
[  303.122652]  do_page_fault+0xf2/0x7e0
[  303.126454]  ? vmalloc_sync_all+0x30/0x30
[  303.130611]  ? error_entry+0x70/0xd0
[  303.134325]  ? trace_hardirqs_off_caller+0xbb/0x310
[  303.139337]  ? trace_hardirqs_on_caller+0xc0/0x310
[  303.144263]  ? syscall_return_slowpath+0x5e0/0x5e0
[  303.149187]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.154026]  ? trace_hardirqs_on_caller+0x310/0x310
[  303.159037]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  303.164499]  ? prepare_exit_to_usermode+0x291/0x3b0
[  303.169508]  ? page_fault+0x8/0x30
[  303.173048]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.177887]  ? page_fault+0x8/0x30
[  303.181424]  page_fault+0x1e/0x30
[  303.184883] RIP: 0033:0x40f9c0
[  303.188115] Code: Bad RIP value.
[  303.191471] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  303.196830] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  303.204100] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  303.211378] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  303.218651] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  303.225931] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  303.233274] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  303.233291] warn_alloc_show_mem: 1 callbacks suppressed
[  303.233308] Mem-Info:
[  303.240555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  303.245916] active_anon:51741 inactive_anon:192 isolated_anon:0
[  303.245916]  active_file:28 inactive_file:10 isolated_file:0
[  303.245916]  unevictable:0 dirty:0 writeback:0 unstable:0
[  303.245916]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  303.245916]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  303.245916]  free:13684 free_pcp:150 free_cma:0
[  303.248285] Call Trace:
[  303.257664] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  303.290508]  <IRQ>
[  303.293073] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  303.320671]  dump_stack+0x244/0x39d
[  303.322779] lowmem_reserve[]: 0 2818 6321 6321
[  303.348887]  ? dump_stack_print_info.cold.1+0x20/0x20
[  303.352483] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  303.357058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.362212] lowmem_reserve[]: 0 0 3503 3503
[  303.389958]  ? do_raw_spin_lock+0x14f/0x350
[  303.395465] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  303.400391]  nmi_cpu_backtrace.cold.2+0x5c/0xa1
[  303.404683] lowmem_reserve[]: 0 0 0 0
[  303.433556]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  303.438198] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  303.441991]  nmi_trigger_cpumask_backtrace+0x1e8/0x22a
[  303.447152] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  303.460667]  arch_trigger_cpumask_backtrace+0x14/0x20
[  303.466023] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  303.481815]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  303.486980] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  303.502233]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  303.506632] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  303.515451]  ? print_other_cpu_stall+0x160/0x160
[  303.520179] 281 total pagecache pages
[  303.528743]  ? print_usage_bug+0xc0/0xc0
[  303.533477] 0 pages in swap cache
[  303.537257]  ? kasan_check_read+0x11/0x20
[  303.541285] Swap cache stats: add 0, delete 0, find 0/0
[  303.541292] Free swap  = 0kB
[  303.544738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.548866] Total swap = 0kB
[  303.554218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.557205] 1965979 pages RAM
[  303.562733]  ? do_trace_rcu_torture_read+0x10/0x10
[  303.565719] 0 pages HighMem/MovableOnly
[  303.571248]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  303.574324] 342854 pages reserved
[  303.579245]  ? __lock_is_held+0xb5/0x140
[  303.583190] 0 pages cma reserved
[  303.588459]  ? __rcu_read_lock+0x50/0x50
[  303.591954] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  303.595923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.595939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.599369] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  303.603338]  ? check_preemption_disabled+0x48/0x280
[  303.609817] syz-fuzzer cpuset=/ mems_allowed=0
[  303.615359]  rcu_check_callbacks+0xf3b/0x13f0
[  303.645539]  ? rcutree_dead_cpu+0x10/0x10
[  303.649684]  ? lock_downgrade+0x900/0x900
[  303.653830]  ? lock_release+0x940/0xa00
[  303.657806]  ? zap_class+0x640/0x640
[  303.661515]  ? zap_class+0x640/0x640
[  303.665227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.670760]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  303.675344]  ? kvm_set_tsc_khz+0x540/0x540
[  303.679573]  ? warn_alloc.cold.116+0xd1/0x1bd
[  303.684070]  ? find_held_lock+0x36/0x1c0
[  303.688137]  ? zap_class+0x640/0x640
[  303.691845]  ? timekeeping_advance+0x3cc/0xc00
[  303.696427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.701967]  ? check_preemption_disabled+0x48/0x280
[  303.706988]  ? trace_hardirqs_off+0xb8/0x310
[  303.711390]  ? __lock_is_held+0xb5/0x140
[  303.715446]  ? trace_hardirqs_on+0x310/0x310
[  303.719856]  ? check_preemption_disabled+0x48/0x280
[  303.724875]  ? raise_softirq+0x199/0x420
[  303.728935]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  303.733598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.739131]  ? check_preemption_disabled+0x48/0x280
[  303.744163]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  303.749691]  ? hrtimer_run_queues+0x9a/0x400
[  303.754100]  ? run_local_timers+0x19b/0x230
[  303.758425]  ? timer_clear_idle+0x90/0x90
[  303.762568]  ? debug_smp_processor_id+0x1c/0x20
[  303.767235]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  303.773205]  ? account_process_tick+0x282/0x350
[  303.777874]  update_process_times+0x2d/0x70
[  303.782195]  tick_sched_handle+0x9f/0x180
[  303.786345]  tick_sched_timer+0x45/0x130
[  303.790406]  __hrtimer_run_queues+0x41c/0x10d0
[  303.794996]  ? tick_sched_do_timer+0x1a0/0x1a0
[  303.799584]  ? hrtimer_start_range_ns+0xe00/0xe00
[  303.804451]  ? pvclock_read_flags+0x160/0x160
[  303.808952]  ? trace_hardirqs_on+0x310/0x310
[  303.813367]  ? kvm_clock_read+0x18/0x30
[  303.817349]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  303.822382]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  303.827752]  ? do_timer+0x50/0x50
[  303.831204]  ? rwlock_bug.part.2+0x90/0x90
[  303.835431]  ? trace_hardirqs_on+0x310/0x310
[  303.839834]  ? rcu_softirq_qs+0x20/0x20
[  303.843814]  hrtimer_interrupt+0x313/0x780
[  303.848063]  smp_apic_timer_interrupt+0x1a1/0x760
[  303.852909]  ? smp_call_function_single_interrupt+0x650/0x650
[  303.858790]  ? interrupt_entry+0xb5/0xc0
[  303.862849]  ? trace_hardirqs_off_caller+0xbb/0x310
[  303.867861]  ? ____cache_alloc_node+0x1c7/0x1e0
[  303.872528]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.877367]  ? trace_hardirqs_on_caller+0x310/0x310
[  303.882393]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  303.887241]  apic_timer_interrupt+0xf/0x20
[  303.891476] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  303.896836] Code: 3f 7e 0f 85 32 ff ff ff e8 e5 1c 3e ff e9 28 ff ff ff e8 4c 52 c3 ff 48 83 3d 64 9b 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  303.915730] RSP: 0000:ffff8801daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  303.923438] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100326d91f1
[  303.930703] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  303.937968] RBP: ffff8801daf074c0 R08: ffff8801936c8f88 R09: 0000000000000002
[  303.945234] R10: 0000000000000000 R11: ffff8801936c86c0 R12: ffff8801d9bee600
[  303.952497] R13: ffff8801d9bee600 R14: 0000000000000000 R15: 0000000000000286
[  303.959774]  ? apic_timer_interrupt+0xa/0x20
[  303.964199]  ? ipv6_get_ifaddr+0x42e/0x620
[  303.968440]  __alloc_skb+0x119/0x770
[  303.972159]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  303.977435]  ? netdev_alloc_frag+0x1f0/0x1f0
[  303.981848]  ? lock_downgrade+0x900/0x900
[  303.985997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  303.991530]  ? refcount_sub_and_test_checked+0x203/0x310
[  303.996980]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  304.002427]  ? addrconf_rs_timer+0x690/0x690
[  304.006844]  ndisc_alloc_skb+0x144/0x340
[  304.010906]  ndisc_send_rs+0x331/0x6e0
[  304.014792]  addrconf_rs_timer+0x314/0x690
[  304.019029]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.023272]  call_timer_fn+0x272/0x920
[  304.027160]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.031388]  ? process_timeout+0x40/0x40
[  304.035456]  ? __run_timers+0x7da/0xc70
[  304.039428]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.043917]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.048412]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.052657]  ? lockdep_hardirqs_on+0x296/0x5b0
[  304.057242]  ? trace_hardirqs_on+0xbd/0x310
[  304.061734]  ? kasan_check_read+0x11/0x20
[  304.065879]  ? __run_timers+0x7da/0xc70
[  304.069850]  ? trace_hardirqs_off_caller+0x310/0x310
[  304.074955]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.079190]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.083424]  __run_timers+0x7e5/0xc70
[  304.087230]  ? timer_fixup_init+0x70/0x70
[  304.091381]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  304.096412]  ? zap_class+0x640/0x640
[  304.100124]  ? enqueue_hrtimer+0x1a5/0x560
[  304.104354]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  304.109545]  ? find_held_lock+0x36/0x1c0
[  304.113605]  ? zap_class+0x640/0x640
[  304.117322]  ? pvclock_read_flags+0x160/0x160
[  304.121817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.127352]  ? check_preemption_disabled+0x48/0x280
[  304.132370]  ? __lock_is_held+0xb5/0x140
[  304.136430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.141961]  ? check_preemption_disabled+0x48/0x280
[  304.146979]  run_timer_softirq+0x52/0xb0
[  304.151038]  ? rcu_read_lock_sched_held+0x14f/0x180
[  304.156061]  __do_softirq+0x308/0xb7e
[  304.159867]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  304.164361]  ? lock_downgrade+0x900/0x900
[  304.168512]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  304.173617]  ? pvclock_read_flags+0x160/0x160
[  304.178111]  ? lapic_next_event+0x5a/0x90
[  304.182259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.187818]  ? kvm_clock_read+0x18/0x30
[  304.191791]  ? kvm_sched_clock_read+0x9/0x20
[  304.196375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.201910]  ? check_preemption_disabled+0x48/0x280
[  304.206932]  irq_exit+0x17f/0x1c0
[  304.210388]  smp_apic_timer_interrupt+0x1cb/0x760
[  304.215228]  ? smp_reschedule_interrupt+0x109/0x650
[  304.220241]  ? smp_call_function_single_interrupt+0x650/0x650
[  304.226121]  ? interrupt_entry+0xb5/0xc0
[  304.230180]  ? trace_hardirqs_off_caller+0xbb/0x310
[  304.235190]  ? trace_hardirqs_off_caller+0xbb/0x310
[  304.240206]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.245048]  ? trace_hardirqs_on_caller+0x310/0x310
[  304.250063]  ? trace_hardirqs_on_caller+0x310/0x310
[  304.255076]  ? task_prio+0x50/0x50
[  304.258611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.264144]  ? check_preemption_disabled+0x48/0x280
[  304.269159]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.274004]  apic_timer_interrupt+0xf/0x20
[  304.278236]  </IRQ>
[  304.280474] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  304.285399] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  304.304298] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  304.312000] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  304.319272] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  304.326535] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  304.333799] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  304.341062] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  304.348370]  skb_clone+0x1bb/0x500
[  304.351912]  ? finish_task_switch+0x1b4/0x910
[  304.356404]  ? skb_split+0x11e0/0x11e0
[  304.360295]  ? preempt_notifier_register+0x200/0x200
[  304.365392]  ? __switch_to_asm+0x34/0x70
[  304.369448]  ? __switch_to_asm+0x34/0x70
[  304.373502]  ? __switch_to_asm+0x40/0x70
[  304.377558]  ? __switch_to_asm+0x34/0x70
[  304.381612]  ? __switch_to_asm+0x40/0x70
[  304.385670]  ? __switch_to_asm+0x34/0x70
[  304.389723]  ? __switch_to_asm+0x40/0x70
[  304.393775]  ? __switch_to_asm+0x34/0x70
[  304.397829]  ? __switch_to_asm+0x34/0x70
[  304.401881]  ? __switch_to_asm+0x40/0x70
[  304.405934]  ? __switch_to_asm+0x34/0x70
[  304.409994]  bpf_clone_redirect+0xb9/0x490
[  304.414228]  ? __schedule+0x8d7/0x21d0
[  304.418127]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  304.423144]  ? __sched_text_start+0x8/0x8
[  304.427290]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  304.431868]  ? retint_kernel+0x2d/0x2d
[  304.435755]  ? trace_hardirqs_on_caller+0xc0/0x310
[  304.440690]  ? find_held_lock+0x36/0x1c0
[  304.444758]  ? lock_acquire+0x1ed/0x520
[  304.448730]  ? bpf_test_run+0x3cb/0x780
[  304.452699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.458233]  ? check_preemption_disabled+0x48/0x280
[  304.463266]  ? kasan_check_read+0x11/0x20
[  304.467413]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.472688]  ? rcu_softirq_qs+0x20/0x20
[  304.476657]  ? preempt_schedule+0x4d/0x60
[  304.480800]  ? ___preempt_schedule+0x16/0x18
[  304.485208]  ? bpf_test_run+0x25d/0x780
[  304.489189]  ? netlink_diag_dump+0x2a0/0x2a0
[  304.493594]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.499125]  ? bpf_test_init.isra.10+0x70/0x100
[  304.503797]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  304.508558]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  304.513399]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  304.518946]  ? fput+0x130/0x1a0
[  304.522223]  ? __bpf_prog_get+0x9b/0x290
[  304.526288]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  304.531122]  ? bpf_prog_test_run+0x130/0x1a0
[  304.535527]  ? __x64_sys_bpf+0x3d8/0x520
[  304.539583]  ? bpf_prog_get+0x20/0x20
[  304.543396]  ? do_syscall_64+0x1b9/0x820
[  304.547450]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  304.552814]  ? syscall_return_slowpath+0x5e0/0x5e0
[  304.557746]  ? trace_hardirqs_on_caller+0x310/0x310
[  304.562757]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  304.567770]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  304.574434]  ? __switch_to_asm+0x40/0x70
[  304.579017]  ? __switch_to_asm+0x34/0x70
[  304.583078]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  304.587920]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  304.593299] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  304.593721] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  304.600318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  304.600323] Call Trace:
[  304.600329]  <IRQ>
[  304.600348]  dump_stack+0x244/0x39d
[  304.600366]  ? dump_stack_print_info.cold.1+0x20/0x20
[  304.607441] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  304.616711]  warn_alloc.cold.116+0xb7/0x1bd
[  304.619271] syz-executor2 cpuset=syz2 mems_allowed=0
[  304.621432]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  304.654905]  ? lock_downgrade+0x900/0x900
[  304.659054]  ? trace_hardirqs_off+0xb8/0x310
[  304.663548]  ? trace_hardirqs_off+0xb8/0x310
[  304.667960]  __alloc_pages_slowpath+0x26e8/0x2e10
[  304.672825]  ? warn_alloc+0x120/0x120
[  304.676626]  ? print_usage_bug+0xc0/0xc0
[  304.680684]  ? warn_alloc+0x120/0x120
[  304.684482]  ? warn_alloc+0x120/0x120
[  304.688283]  ? print_usage_bug+0xc0/0xc0
[  304.692343]  ? kvm_clock_read+0x18/0x30
[  304.696319]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  304.701330]  ? print_usage_bug+0xc0/0xc0
[  304.705404]  ? __lock_acquire+0x62f/0x4c20
[  304.709646]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  304.715179]  ? should_fail+0x22d/0xd01
[  304.719061]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.724335]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.729434]  ? __lock_acquire+0x62f/0x4c20
[  304.733670]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  304.738767]  ? __lock_acquire+0x62f/0x4c20
[  304.742996]  ? should_fail+0x22d/0xd01
[  304.746875]  ? rcu_irq_exit+0x1a2/0x390
[  304.750852]  ? mark_held_locks+0x130/0x130
[  304.755084]  ? mark_held_locks+0x130/0x130
[  304.759320]  ? mark_held_locks+0xc7/0x130
[  304.763465]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  304.768477]  ? zap_class+0x640/0x640
[  304.772190]  ? print_usage_bug+0xc0/0xc0
[  304.776257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.781792]  ? check_preemption_disabled+0x48/0x280
[  304.786809]  ? __lock_is_held+0xb5/0x140
[  304.790867]  __alloc_pages_nodemask+0xa80/0xde0
[  304.795929]  ? zap_class+0x640/0x640
[  304.799663]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  304.804688]  ? find_held_lock+0x36/0x1c0
[  304.808754]  ? ____cache_alloc_node+0x1c7/0x1e0
[  304.813420]  ? lock_downgrade+0x900/0x900
[  304.817569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.823108]  cache_grow_begin+0xa5/0x8c0
[  304.827167]  ? do_raw_spin_unlock+0xa7/0x330
[  304.831574]  fallback_alloc+0x204/0x2e0
[  304.835547]  ____cache_alloc_node+0x1c7/0x1e0
[  304.840041]  kmem_cache_alloc_node+0xe3/0x730
[  304.844532]  ? ipv6_get_ifaddr+0x42e/0x620
[  304.848776]  __alloc_skb+0x119/0x770
[  304.852489]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  304.857761]  ? netdev_alloc_frag+0x1f0/0x1f0
[  304.862161]  ? lock_downgrade+0x900/0x900
[  304.866313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  304.871845]  ? refcount_sub_and_test_checked+0x203/0x310
[  304.877293]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  304.882735]  ? addrconf_rs_timer+0x690/0x690
[  304.887149]  ndisc_alloc_skb+0x144/0x340
[  304.891212]  ndisc_send_rs+0x331/0x6e0
[  304.895108]  addrconf_rs_timer+0x314/0x690
[  304.899345]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.903586]  call_timer_fn+0x272/0x920
[  304.907466]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.911699]  ? process_timeout+0x40/0x40
[  304.915763]  ? mark_held_locks+0xc7/0x130
[  304.919912]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.924401]  ? _raw_spin_unlock_irq+0x27/0x80
[  304.928896]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.933128]  ? lockdep_hardirqs_on+0x296/0x5b0
[  304.937707]  ? trace_hardirqs_on+0xbd/0x310
[  304.942021]  ? kasan_check_read+0x11/0x20
[  304.946165]  ? __run_timers+0x7da/0xc70
[  304.950135]  ? trace_hardirqs_off_caller+0x310/0x310
[  304.955244]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.959483]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  304.963708]  __run_timers+0x7e5/0xc70
[  304.967509]  ? timer_fixup_init+0x70/0x70
[  304.971657]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  304.976690]  ? zap_class+0x640/0x640
[  304.980401]  ? print_usage_bug+0xc0/0xc0
[  304.984461]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  304.989656]  ? find_held_lock+0x36/0x1c0
[  304.993721]  ? zap_class+0x640/0x640
[  304.997434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.002970]  ? check_preemption_disabled+0x48/0x280
[  305.007991]  ? __lock_is_held+0xb5/0x140
[  305.012052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.017589]  ? check_preemption_disabled+0x48/0x280
[  305.022604]  run_timer_softirq+0x52/0xb0
[  305.026666]  ? rcu_read_lock_sched_held+0x14f/0x180
[  305.031676]  __do_softirq+0x308/0xb7e
[  305.035500]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  305.040020]  ? lock_downgrade+0x900/0x900
[  305.044168]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  305.049279]  ? pvclock_read_flags+0x160/0x160
[  305.053772]  ? lapic_next_event+0x5a/0x90
[  305.057915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.063449]  ? kvm_clock_read+0x18/0x30
[  305.067420]  ? kvm_sched_clock_read+0x9/0x20
[  305.071827]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.077361]  ? check_preemption_disabled+0x48/0x280
[  305.082379]  irq_exit+0x17f/0x1c0
[  305.085833]  smp_apic_timer_interrupt+0x1cb/0x760
[  305.090668]  ? smp_call_function_single_interrupt+0x159/0x650
[  305.096551]  ? smp_call_function_single_interrupt+0x650/0x650
[  305.102437]  ? interrupt_entry+0xb5/0xc0
[  305.106500]  ? trace_hardirqs_off_caller+0xbb/0x310
[  305.111510]  ? trace_hardirqs_off_caller+0xbb/0x310
[  305.116526]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.121365]  ? trace_hardirqs_on_caller+0x310/0x310
[  305.126373]  ? trace_hardirqs_on_caller+0x310/0x310
[  305.131396]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.136239]  apic_timer_interrupt+0xf/0x20
[  305.140469]  </IRQ>
[  305.142714] RIP: 0010:write_comp_data+0xd/0x70
[  305.147299] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  305.166200] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  305.173900] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  305.181162] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  305.188429] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  305.195783] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  305.203043] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  305.210324]  ? list_lru_count_one+0x36d/0x450
[  305.214820]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  305.220178]  list_lru_count_one+0x36d/0x450
[  305.224505]  ? list_lru_isolate_move+0x3c0/0x3c0
[  305.229258]  ? shmem_free_inode+0xd0/0xd0
[  305.233412]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.238951]  ? ubifs_shrink_count+0xc4/0x100
[  305.243371]  super_cache_count+0x1b9/0x2e0
[  305.247609]  do_shrink_slab+0x1b1/0xd30
[  305.251581]  ? lock_acquire+0x1ed/0x520
[  305.255552]  ? snapshot_refaults+0x290/0x290
[  305.259960]  ? lock_release+0xa00/0xa00
[  305.263931]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  305.268864]  ? down_read_trylock+0xda/0x140
[  305.273176]  ? shrink_slab+0x207/0x8c0
[  305.277063]  ? downgrade_write+0x270/0x270
[  305.281302]  shrink_slab+0x389/0x8c0
[  305.285013]  ? shrink_active_list+0x1f00/0x1f00
[  305.289686]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  305.295309]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  305.300424]  ? cgroup_procs_write_finish+0xf0/0xf0
[  305.305357]  ? find_held_lock+0x36/0x1c0
[  305.309421]  shrink_node+0x431/0x16b0
[  305.313225]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  305.318521]  ? shrink_node_memcg+0x18f0/0x18f0
[  305.323103]  ? kvm_clock_read+0x18/0x30
[  305.327077]  ? ktime_get+0x2c1/0x400
[  305.330787]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  305.335279]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  305.340808]  ? __cpuset_node_allowed+0x19b/0x660
[  305.345561]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  305.351268]  ? delayacct_end+0x5a/0x100
[  305.355248]  do_try_to_free_pages+0x3e7/0x1290
[  305.359825]  ? zap_class+0x640/0x640
[  305.363552]  ? shrink_node+0x16b0/0x16b0
[  305.367609]  ? __lock_is_held+0xb5/0x140
[  305.371676]  try_to_free_pages+0x4d0/0xb90
[  305.375909]  ? do_try_to_free_pages+0x1290/0x1290
[  305.380761]  ? lock_acquire+0x1ed/0x520
[  305.384729]  ? set_page_refcounted+0x280/0x280
[  305.389310]  ? lock_release+0xa00/0xa00
[  305.393302]  ? _raw_spin_unlock_irq+0x60/0x80
[  305.397801]  ? psi_memstall_enter+0x240/0x2b0
[  305.402294]  ? psi_memstall_tick+0x230/0x230
[  305.406705]  __alloc_pages_slowpath+0xa14/0x2e10
[  305.411480]  ? warn_alloc+0x120/0x120
[  305.415272]  ? mark_held_locks+0x130/0x130
[  305.419508]  ? find_get_entry+0xaae/0x1120
[  305.423832]  ? filemap_map_pages+0x1a20/0x1a20
[  305.428427]  ? zap_class+0x640/0x640
[  305.432141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.437682]  ? check_preemption_disabled+0x48/0x280
[  305.442698]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.448228]  ? should_fail+0x22d/0xd01
[  305.452141]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  305.457260]  ? zap_class+0x640/0x640
[  305.460990]  ? __lock_is_held+0xb5/0x140
[  305.465051]  ? mark_held_locks+0x130/0x130
[  305.469302]  ? lock_release+0xa00/0xa00
[  305.473272]  ? perf_trace_sched_process_exec+0x860/0x860
[  305.478715]  ? xa_load+0x2ba/0x460
[  305.482252]  ? lock_downgrade+0x900/0x900
[  305.486402]  ? __might_sleep+0x95/0x190
[  305.490378]  __alloc_pages_nodemask+0xa80/0xde0
[  305.495047]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  305.500058]  ? __page_cache_alloc+0x191/0x5c0
[  305.504548]  ? xa_load+0x2e1/0x460
[  305.508177]  ? xa_clear_mark+0x40/0x40
[  305.512061]  ? zap_class+0x640/0x640
[  305.515775]  ? zap_class+0x640/0x640
[  305.519481]  ? zap_class+0x640/0x640
[  305.523192]  ? __do_page_cache_readahead+0x663/0x810
[  305.528297]  ? find_held_lock+0x36/0x1c0
[  305.532356]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  305.537894]  alloc_pages_current+0x173/0x350
[  305.542306]  __page_cache_alloc+0x38c/0x5c0
[  305.546623]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  305.551547]  ? kasan_check_read+0x11/0x20
[  305.555695]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.560968]  ? generic_perform_write+0x6a0/0x6a0
[  305.565744]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.571281]  ? check_preemption_disabled+0x48/0x280
[  305.576297]  filemap_fault+0x1595/0x25f0
[  305.580363]  ? __lock_page_or_retry+0xa00/0xa00
[  305.585124]  ? mark_held_locks+0x130/0x130
[  305.589372]  ? filemap_map_pages+0xd6b/0x1a20
[  305.593862]  ? lock_downgrade+0x900/0x900
[  305.598003]  ? check_preemption_disabled+0x48/0x280
[  305.603018]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  305.607941]  ? kasan_check_read+0x11/0x20
[  305.612081]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.617356]  ? rcu_softirq_qs+0x20/0x20
[  305.621337]  ? filemap_map_pages+0xd92/0x1a20
[  305.626322]  ? find_get_entries_tag+0x1400/0x1400
[  305.631172]  ? debug_object_destroy+0x2b0/0x2b0
[  305.635840]  ? lock_pi_update_atomic+0x150/0x150
[  305.640589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  305.646134]  ? lock_acquire+0x1ed/0x520
[  305.650108]  ? ext4_filemap_fault+0x7a/0xad
[  305.654438]  ? lock_release+0xa00/0xa00
[  305.658410]  ? perf_trace_sched_process_exec+0x860/0x860
[  305.663860]  ? print_usage_bug+0xc0/0xc0
[  305.667916]  ? print_usage_bug+0xc0/0xc0
[  305.671984]  ? down_read+0x8d/0x120
[  305.675600]  ? ext4_filemap_fault+0x7a/0xad
[  305.679916]  ? __down_interruptible+0x700/0x700
[  305.684588]  ext4_filemap_fault+0x82/0xad
[  305.688735]  __do_fault+0x100/0x6b0
[  305.692359]  ? pmd_devmap_trans_unstable+0x220/0x220
[  305.697463]  ? mark_held_locks+0x130/0x130
[  305.701693]  ? mark_held_locks+0x130/0x130
[  305.705920]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.711190]  ? rcu_softirq_qs+0x20/0x20
[  305.715173]  ? kasan_check_write+0x14/0x20
[  305.719410]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.724945]  __handle_mm_fault+0x3ea0/0x5be0
[  305.729356]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  305.734197]  ? aa_path_link+0x5e0/0x5e0
[  305.738179]  ? ksys_dup3+0x680/0x680
[  305.741900]  ? zap_class+0x640/0x640
[  305.745615]  ? zap_class+0x640/0x640
[  305.749326]  ? __x64_sys_futex+0x53e/0x6a0
[  305.753559]  ? find_held_lock+0x36/0x1c0
[  305.757620]  ? handle_mm_fault+0x42a/0xc70
[  305.761850]  ? lock_downgrade+0x900/0x900
[  305.765991]  ? check_preemption_disabled+0x48/0x280
[  305.771010]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  305.776284]  ? kasan_check_read+0x11/0x20
[  305.780425]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  305.785696]  ? rcu_softirq_qs+0x20/0x20
[  305.789668]  ? trace_hardirqs_off_caller+0x310/0x310
[  305.794770]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  305.800301]  ? check_preemption_disabled+0x48/0x280
[  305.805318]  handle_mm_fault+0x54f/0xc70
[  305.809376]  ? __handle_mm_fault+0x5be0/0x5be0
[  305.813959]  ? find_vma+0x34/0x190
[  305.817504]  __do_page_fault+0x5e8/0xe60
[  305.821559]  ? trace_hardirqs_off+0xb8/0x310
[  305.825971]  do_page_fault+0xf2/0x7e0
[  305.829767]  ? vmalloc_sync_all+0x30/0x30
[  305.833912]  ? error_entry+0x70/0xd0
[  305.837621]  ? trace_hardirqs_off_caller+0xbb/0x310
[  305.842633]  ? trace_hardirqs_on_caller+0xc0/0x310
[  305.847558]  ? syscall_return_slowpath+0x5e0/0x5e0
[  305.852607]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.857445]  ? trace_hardirqs_on_caller+0x310/0x310
[  305.862454]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  305.867918]  ? prepare_exit_to_usermode+0x291/0x3b0
[  305.872929]  ? page_fault+0x8/0x30
[  305.876464]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  305.881304]  ? page_fault+0x8/0x30
[  305.884838]  page_fault+0x1e/0x30
[  305.888285] RIP: 0033:0x40f9c0
[  305.891495] Code: Bad RIP value.
[  305.894851] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  305.900205] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  305.907464] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  305.914728] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  305.921988] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  305.929255] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  305.936553] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  305.936555] Mem-Info:
[  305.936588] active_anon:51741 inactive_anon:192 isolated_anon:0
[  305.936588]  active_file:28 inactive_file:10 isolated_file:0
[  305.936588]  unevictable:0 dirty:0 writeback:0 unstable:0
[  305.936588]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  305.936588]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  305.936588]  free:13684 free_pcp:150 free_cma:0
[  305.943829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  305.946253] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  305.979104] Call Trace:
[  305.988450] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  306.016018]  <IRQ>
[  306.018583] lowmem_reserve[]: 0 2818 6321 6321
[  306.044682]  dump_stack+0x244/0x39d
[  306.046801] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  306.051376]  ? dump_stack_print_info.cold.1+0x20/0x20
[  306.054974] lowmem_reserve[]: 0 0 3503 3503
[  306.082554]  warn_alloc.cold.116+0xb7/0x1bd
[  306.087708] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  306.092022]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  306.096314] lowmem_reserve[]: 0 0 0 0
[  306.125196]  ? lock_downgrade+0x900/0x900
[  306.130002] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  306.133799]  ? trace_hardirqs_off+0xb8/0x310
[  306.137914] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  306.151430]  ? trace_hardirqs_off+0xb8/0x310
[  306.155810] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  306.171064]  __alloc_pages_slowpath+0x26e8/0x2e10
[  306.175446] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  306.190706]  ? warn_alloc+0x120/0x120
[  306.195506] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  306.204324]  ? print_usage_bug+0xc0/0xc0
[  306.208110] 281 total pagecache pages
[  306.216668]  ? warn_alloc+0x120/0x120
[  306.220712] 0 pages in swap cache
[  306.224490]  ? warn_alloc+0x120/0x120
[  306.228262] Swap cache stats: add 0, delete 0, find 0/0
[  306.231701]  ? print_usage_bug+0xc0/0xc0
[  306.235470] Free swap  = 0kB
[  306.240817]  ? kvm_clock_read+0x18/0x30
[  306.244849] Total swap = 0kB
[  306.247864]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  306.251800] 1965979 pages RAM
[  306.254808]  ? print_usage_bug+0xc0/0xc0
[  306.259792] 0 pages HighMem/MovableOnly
[  306.259799] 342854 pages reserved
[  306.262890]  ? __lock_acquire+0x62f/0x4c20
[  306.266916] 0 pages cma reserved
[  306.267014] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  306.270888]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.270902]  ? should_fail+0x22d/0xd01
[  306.270918]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.274417] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  306.278576]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.281912] syz-fuzzer cpuset=/ mems_allowed=0
[  306.288393]  ? __lock_acquire+0x62f/0x4c20
[  306.327121]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  306.332218]  ? __lock_acquire+0x62f/0x4c20
[  306.336449]  ? should_fail+0x22d/0xd01
[  306.340329]  ? rcu_irq_exit+0x1a2/0x390
[  306.344307]  ? mark_held_locks+0x130/0x130
[  306.348539]  ? mark_held_locks+0x130/0x130
[  306.352775]  ? mark_held_locks+0xc7/0x130
[  306.356917]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  306.362033]  ? zap_class+0x640/0x640
[  306.365745]  ? print_usage_bug+0xc0/0xc0
[  306.369804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.375342]  ? check_preemption_disabled+0x48/0x280
[  306.380360]  ? __lock_is_held+0xb5/0x140
[  306.384422]  __alloc_pages_nodemask+0xa80/0xde0
[  306.389098]  ? zap_class+0x640/0x640
[  306.392814]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  306.397851]  ? find_held_lock+0x36/0x1c0
[  306.401916]  ? ____cache_alloc_node+0x1c7/0x1e0
[  306.406582]  ? lock_downgrade+0x900/0x900
[  306.410730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.416266]  cache_grow_begin+0xa5/0x8c0
[  306.420322]  ? do_raw_spin_unlock+0xa7/0x330
[  306.424734]  fallback_alloc+0x204/0x2e0
[  306.428708]  ____cache_alloc_node+0x1c7/0x1e0
[  306.433205]  kmem_cache_alloc_node+0xe3/0x730
[  306.437696]  ? ipv6_get_ifaddr+0x42e/0x620
[  306.441935]  __alloc_skb+0x119/0x770
[  306.445644]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.450920]  ? netdev_alloc_frag+0x1f0/0x1f0
[  306.455325]  ? lock_downgrade+0x900/0x900
[  306.459472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.465008]  ? refcount_sub_and_test_checked+0x203/0x310
[  306.470455]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  306.475899]  ? addrconf_rs_timer+0x690/0x690
[  306.480312]  ndisc_alloc_skb+0x144/0x340
[  306.484374]  ndisc_send_rs+0x331/0x6e0
[  306.488259]  addrconf_rs_timer+0x314/0x690
[  306.492493]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.496732]  call_timer_fn+0x272/0x920
[  306.500616]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.504851]  ? process_timeout+0x40/0x40
[  306.508916]  ? __run_timers+0x7da/0xc70
[  306.512891]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.517465]  ? _raw_spin_unlock_irq+0x27/0x80
[  306.521952]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.526203]  ? lockdep_hardirqs_on+0x296/0x5b0
[  306.530785]  ? trace_hardirqs_on+0xbd/0x310
[  306.535101]  ? kasan_check_read+0x11/0x20
[  306.539240]  ? __run_timers+0x7da/0xc70
[  306.543212]  ? trace_hardirqs_off_caller+0x310/0x310
[  306.548315]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.552551]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  306.556778]  __run_timers+0x7e5/0xc70
[  306.560586]  ? timer_fixup_init+0x70/0x70
[  306.564743]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  306.569753]  ? zap_class+0x640/0x640
[  306.573463]  ? enqueue_hrtimer+0x1a5/0x560
[  306.577694]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  306.582889]  ? find_held_lock+0x36/0x1c0
[  306.586948]  ? zap_class+0x640/0x640
[  306.590658]  ? pvclock_read_flags+0x160/0x160
[  306.595148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.600684]  ? check_preemption_disabled+0x48/0x280
[  306.605703]  ? __lock_is_held+0xb5/0x140
[  306.609762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.615298]  ? check_preemption_disabled+0x48/0x280
[  306.620314]  run_timer_softirq+0x52/0xb0
[  306.624374]  ? rcu_read_lock_sched_held+0x14f/0x180
[  306.629390]  __do_softirq+0x308/0xb7e
[  306.633190]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  306.637678]  ? lock_downgrade+0x900/0x900
[  306.641833]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  306.646939]  ? pvclock_read_flags+0x160/0x160
[  306.651430]  ? lapic_next_event+0x5a/0x90
[  306.655579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.661116]  ? kvm_clock_read+0x18/0x30
[  306.665092]  ? kvm_sched_clock_read+0x9/0x20
[  306.669496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.675026]  ? check_preemption_disabled+0x48/0x280
[  306.680070]  irq_exit+0x17f/0x1c0
[  306.683518]  smp_apic_timer_interrupt+0x1cb/0x760
[  306.688351]  ? smp_reschedule_interrupt+0x109/0x650
[  306.693363]  ? smp_call_function_single_interrupt+0x650/0x650
[  306.699241]  ? interrupt_entry+0xb5/0xc0
[  306.703300]  ? trace_hardirqs_off_caller+0xbb/0x310
[  306.708308]  ? trace_hardirqs_off_caller+0xbb/0x310
[  306.713319]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.718165]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.723177]  ? trace_hardirqs_on_caller+0x310/0x310
[  306.728191]  ? task_prio+0x50/0x50
[  306.731727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.737261]  ? check_preemption_disabled+0x48/0x280
[  306.742275]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  306.747119]  apic_timer_interrupt+0xf/0x20
[  306.751343]  </IRQ>
[  306.753582] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  306.758510] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  306.777405] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  306.785109] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  306.792907] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  306.800175] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  306.807435] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  306.814700] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  306.822022]  skb_clone+0x1bb/0x500
[  306.825569]  ? finish_task_switch+0x1b4/0x910
[  306.830073]  ? skb_split+0x11e0/0x11e0
[  306.833969]  ? preempt_notifier_register+0x200/0x200
[  306.839071]  ? __switch_to_asm+0x34/0x70
[  306.843124]  ? __switch_to_asm+0x34/0x70
[  306.847176]  ? __switch_to_asm+0x40/0x70
[  306.851230]  ? __switch_to_asm+0x34/0x70
[  306.855283]  ? __switch_to_asm+0x40/0x70
[  306.859339]  ? __switch_to_asm+0x34/0x70
[  306.863390]  ? __switch_to_asm+0x40/0x70
[  306.867443]  ? __switch_to_asm+0x34/0x70
[  306.871495]  ? __switch_to_asm+0x34/0x70
[  306.875547]  ? __switch_to_asm+0x40/0x70
[  306.879599]  ? __switch_to_asm+0x34/0x70
[  306.883663]  bpf_clone_redirect+0xb9/0x490
[  306.887899]  ? __schedule+0x8d7/0x21d0
[  306.891794]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  306.896812]  ? __sched_text_start+0x8/0x8
[  306.900964]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  306.905542]  ? retint_kernel+0x2d/0x2d
[  306.909424]  ? trace_hardirqs_on_caller+0xc0/0x310
[  306.914356]  ? find_held_lock+0x36/0x1c0
[  306.918428]  ? lock_acquire+0x1ed/0x520
[  306.922397]  ? bpf_test_run+0x3cb/0x780
[  306.926367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  306.931902]  ? check_preemption_disabled+0x48/0x280
[  306.936923]  ? kasan_check_read+0x11/0x20
[  306.941069]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  306.946339]  ? rcu_softirq_qs+0x20/0x20
[  306.950320]  ? preempt_schedule+0x4d/0x60
[  306.954464]  ? ___preempt_schedule+0x16/0x18
[  306.958874]  ? bpf_test_run+0x25d/0x780
[  306.962851]  ? netlink_diag_dump+0x2a0/0x2a0
[  306.967256]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  306.972793]  ? bpf_test_init.isra.10+0x70/0x100
[  306.977992]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  306.982757]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  306.987595]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  306.993129]  ? fput+0x130/0x1a0
[  306.996407]  ? __bpf_prog_get+0x9b/0x290
[  307.000468]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  307.005302]  ? bpf_prog_test_run+0x130/0x1a0
[  307.009712]  ? __x64_sys_bpf+0x3d8/0x520
[  307.013767]  ? bpf_prog_get+0x20/0x20
[  307.017582]  ? do_syscall_64+0x1b9/0x820
[  307.021726]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  307.027090]  ? syscall_return_slowpath+0x5e0/0x5e0
[  307.032027]  ? trace_hardirqs_on_caller+0x310/0x310
[  307.037045]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  307.042059]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  307.048719]  ? __switch_to_asm+0x40/0x70
[  307.052779]  ? __switch_to_asm+0x34/0x70
[  307.056844]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.061690]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  307.067074] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  307.067176] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  307.074088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  307.074095] Call Trace:
[  307.080649] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  307.089907]  <IRQ>
[  307.092472] syz-executor2 cpuset=syz2 mems_allowed=0
[  307.102947]  dump_stack+0x244/0x39d
[  307.113772]  ? dump_stack_print_info.cold.1+0x20/0x20
[  307.118973]  warn_alloc.cold.116+0xb7/0x1bd
[  307.123298]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  307.128142]  ? lock_downgrade+0x900/0x900
[  307.132295]  ? trace_hardirqs_off+0xb8/0x310
[  307.136703]  ? trace_hardirqs_off+0xb8/0x310
[  307.141111]  __alloc_pages_slowpath+0x26e8/0x2e10
[  307.146061]  ? warn_alloc+0x120/0x120
[  307.149859]  ? print_usage_bug+0xc0/0xc0
[  307.153923]  ? warn_alloc+0x120/0x120
[  307.157723]  ? warn_alloc+0x120/0x120
[  307.161521]  ? print_usage_bug+0xc0/0xc0
[  307.165582]  ? print_usage_bug+0xc0/0xc0
[  307.169638]  ? __lock_acquire+0x62f/0x4c20
[  307.173871]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.179404]  ? should_fail+0x22d/0xd01
[  307.183293]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.188405]  ? __lock_acquire+0x62f/0x4c20
[  307.192640]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.197738]  ? __lock_acquire+0x62f/0x4c20
[  307.201963]  ? should_fail+0x22d/0xd01
[  307.205846]  ? find_held_lock+0x36/0x1c0
[  307.209910]  ? mark_held_locks+0x130/0x130
[  307.214143]  ? mark_held_locks+0x130/0x130
[  307.218375]  ? zap_class+0x640/0x640
[  307.222087]  ? zap_class+0x640/0x640
[  307.225798]  ? print_usage_bug+0xc0/0xc0
[  307.229856]  ? do_raw_spin_unlock+0xa7/0x330
[  307.234263]  ? zap_class+0x640/0x640
[  307.237974]  ? print_usage_bug+0xc0/0xc0
[  307.242033]  ? wq_watchdog_touch+0x9c/0xfe
[  307.246268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.251805]  ? check_preemption_disabled+0x48/0x280
[  307.256826]  ? __lock_is_held+0xb5/0x140
[  307.260888]  __alloc_pages_nodemask+0xa80/0xde0
[  307.265565]  ? zap_class+0x640/0x640
[  307.269282]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  307.274301]  ? find_held_lock+0x36/0x1c0
[  307.278369]  ? ____cache_alloc_node+0x1c7/0x1e0
[  307.283033]  ? lock_downgrade+0x900/0x900
[  307.287193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.292728]  cache_grow_begin+0xa5/0x8c0
[  307.296786]  ? do_raw_spin_unlock+0xa7/0x330
[  307.301194]  fallback_alloc+0x204/0x2e0
[  307.305174]  ____cache_alloc_node+0x1c7/0x1e0
[  307.309670]  kmem_cache_alloc_node+0xe3/0x730
[  307.314161]  ? ipv6_get_ifaddr+0x42e/0x620
[  307.318404]  __alloc_skb+0x119/0x770
[  307.322114]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  307.327395]  ? netdev_alloc_frag+0x1f0/0x1f0
[  307.331971]  ? lock_downgrade+0x900/0x900
[  307.336125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.341658]  ? refcount_sub_and_test_checked+0x203/0x310
[  307.347107]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  307.352552]  ? addrconf_rs_timer+0x690/0x690
[  307.356966]  ndisc_alloc_skb+0x144/0x340
[  307.361036]  ndisc_send_rs+0x331/0x6e0
[  307.364937]  addrconf_rs_timer+0x314/0x690
[  307.369171]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.373410]  call_timer_fn+0x272/0x920
[  307.377293]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.381522]  ? process_timeout+0x40/0x40
[  307.385591]  ? mark_held_locks+0xc7/0x130
[  307.389743]  ? _raw_spin_unlock_irq+0x27/0x80
[  307.394233]  ? _raw_spin_unlock_irq+0x27/0x80
[  307.398726]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.402958]  ? lockdep_hardirqs_on+0x296/0x5b0
[  307.407552]  ? trace_hardirqs_on+0xbd/0x310
[  307.411869]  ? kasan_check_read+0x11/0x20
[  307.416020]  ? __run_timers+0x7da/0xc70
[  307.420001]  ? trace_hardirqs_off_caller+0x310/0x310
[  307.425104]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.429339]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  307.433566]  __run_timers+0x7e5/0xc70
[  307.437370]  ? timer_fixup_init+0x70/0x70
[  307.441513]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  307.446530]  ? zap_class+0x640/0x640
[  307.450248]  ? print_usage_bug+0xc0/0xc0
[  307.454308]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  307.459500]  ? find_held_lock+0x36/0x1c0
[  307.463559]  ? zap_class+0x640/0x640
[  307.467270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.472803]  ? check_preemption_disabled+0x48/0x280
[  307.477821]  ? __lock_is_held+0xb5/0x140
[  307.481876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.487407]  ? check_preemption_disabled+0x48/0x280
[  307.492421]  run_timer_softirq+0x52/0xb0
[  307.496479]  ? rcu_read_lock_sched_held+0x14f/0x180
[  307.501494]  __do_softirq+0x308/0xb7e
[  307.505297]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  307.509786]  ? lock_downgrade+0x900/0x900
[  307.513935]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  307.519044]  ? pvclock_read_flags+0x160/0x160
[  307.523535]  ? lapic_next_event+0x5a/0x90
[  307.527680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.533215]  ? kvm_clock_read+0x18/0x30
[  307.537196]  ? kvm_sched_clock_read+0x9/0x20
[  307.541602]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.547148]  ? check_preemption_disabled+0x48/0x280
[  307.552167]  irq_exit+0x17f/0x1c0
[  307.555618]  smp_apic_timer_interrupt+0x1cb/0x760
[  307.560454]  ? smp_call_function_single_interrupt+0x159/0x650
[  307.566334]  ? smp_call_function_single_interrupt+0x650/0x650
[  307.572212]  ? interrupt_entry+0xb5/0xc0
[  307.576272]  ? trace_hardirqs_off_caller+0xbb/0x310
[  307.581287]  ? trace_hardirqs_off_caller+0xbb/0x310
[  307.586310]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.591149]  ? trace_hardirqs_on_caller+0x310/0x310
[  307.596159]  ? trace_hardirqs_on_caller+0x310/0x310
[  307.601179]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  307.606029]  apic_timer_interrupt+0xf/0x20
[  307.610251]  </IRQ>
[  307.612505] RIP: 0010:write_comp_data+0xd/0x70
[  307.617089] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  307.636473] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  307.644182] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  307.651451] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  307.658716] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  307.665984] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  307.673250] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  307.680544]  ? list_lru_count_one+0x36d/0x450
[  307.685047]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  307.690408]  list_lru_count_one+0x36d/0x450
[  307.694724]  ? list_lru_isolate_move+0x3c0/0x3c0
[  307.699478]  ? shmem_free_inode+0xd0/0xd0
[  307.703622]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.709153]  ? ubifs_shrink_count+0xc4/0x100
[  307.713574]  super_cache_count+0x1b9/0x2e0
[  307.717814]  do_shrink_slab+0x1b1/0xd30
[  307.721789]  ? lock_acquire+0x1ed/0x520
[  307.725766]  ? snapshot_refaults+0x290/0x290
[  307.730168]  ? lock_release+0xa00/0xa00
[  307.734141]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  307.739072]  ? down_read_trylock+0xda/0x140
[  307.743385]  ? shrink_slab+0x207/0x8c0
[  307.747265]  ? downgrade_write+0x270/0x270
[  307.751505]  shrink_slab+0x389/0x8c0
[  307.755219]  ? shrink_active_list+0x1f00/0x1f00
[  307.759890]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  307.765516]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  307.770622]  ? cgroup_procs_write_finish+0xf0/0xf0
[  307.775551]  ? find_held_lock+0x36/0x1c0
[  307.779611]  shrink_node+0x431/0x16b0
[  307.783418]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  307.788710]  ? shrink_node_memcg+0x18f0/0x18f0
[  307.793292]  ? kvm_clock_read+0x18/0x30
[  307.797267]  ? ktime_get+0x2c1/0x400
[  307.800986]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  307.805477]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  307.811009]  ? __cpuset_node_allowed+0x19b/0x660
[  307.815761]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  307.821467]  ? delayacct_end+0x5a/0x100
[  307.825446]  do_try_to_free_pages+0x3e7/0x1290
[  307.830025]  ? zap_class+0x640/0x640
[  307.833751]  ? shrink_node+0x16b0/0x16b0
[  307.837807]  ? __lock_is_held+0xb5/0x140
[  307.841873]  try_to_free_pages+0x4d0/0xb90
[  307.846109]  ? do_try_to_free_pages+0x1290/0x1290
[  307.850964]  ? lock_acquire+0x1ed/0x520
[  307.854933]  ? set_page_refcounted+0x280/0x280
[  307.859522]  ? lock_release+0xa00/0xa00
[  307.863490]  ? _raw_spin_unlock_irq+0x60/0x80
[  307.867984]  ? psi_memstall_enter+0x240/0x2b0
[  307.872475]  ? psi_memstall_tick+0x230/0x230
[  307.876887]  __alloc_pages_slowpath+0xa14/0x2e10
[  307.881662]  ? warn_alloc+0x120/0x120
[  307.885469]  ? mark_held_locks+0x130/0x130
[  307.889704]  ? find_get_entry+0xaae/0x1120
[  307.893948]  ? filemap_map_pages+0x1a20/0x1a20
[  307.898530]  ? zap_class+0x640/0x640
[  307.902243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  307.907779]  ? check_preemption_disabled+0x48/0x280
[  307.912789]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  307.918331]  ? should_fail+0x22d/0xd01
[  307.922218]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  307.927316]  ? zap_class+0x640/0x640
[  307.931049]  ? __lock_is_held+0xb5/0x140
[  307.935112]  ? mark_held_locks+0x130/0x130
[  307.939345]  ? lock_release+0xa00/0xa00
[  307.943316]  ? perf_trace_sched_process_exec+0x860/0x860
[  307.948762]  ? xa_load+0x2ba/0x460
[  307.952296]  ? lock_downgrade+0x900/0x900
[  307.956443]  ? __might_sleep+0x95/0x190
[  307.960420]  __alloc_pages_nodemask+0xa80/0xde0
[  307.965090]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  307.970106]  ? __page_cache_alloc+0x191/0x5c0
[  307.974606]  ? xa_load+0x2e1/0x460
[  307.978143]  ? xa_clear_mark+0x40/0x40
[  307.982027]  ? zap_class+0x640/0x640
[  307.985742]  ? zap_class+0x640/0x640
[  307.989448]  ? zap_class+0x640/0x640
[  307.993156]  ? __do_page_cache_readahead+0x663/0x810
[  307.998265]  ? find_held_lock+0x36/0x1c0
[  308.002329]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  308.007865]  alloc_pages_current+0x173/0x350
[  308.012274]  __page_cache_alloc+0x38c/0x5c0
[  308.016589]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  308.021514]  ? kasan_check_read+0x11/0x20
[  308.025660]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.030941]  ? generic_perform_write+0x6a0/0x6a0
[  308.035692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.041224]  ? check_preemption_disabled+0x48/0x280
[  308.046240]  filemap_fault+0x1595/0x25f0
[  308.050305]  ? __lock_page_or_retry+0xa00/0xa00
[  308.054972]  ? mark_held_locks+0x130/0x130
[  308.059217]  ? filemap_map_pages+0xd6b/0x1a20
[  308.063710]  ? lock_downgrade+0x900/0x900
[  308.067851]  ? check_preemption_disabled+0x48/0x280
[  308.072863]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  308.077787]  ? kasan_check_read+0x11/0x20
[  308.081937]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.087297]  ? rcu_softirq_qs+0x20/0x20
[  308.091279]  ? filemap_map_pages+0xd92/0x1a20
[  308.095778]  ? find_get_entries_tag+0x1400/0x1400
[  308.100616]  ? debug_object_destroy+0x2b0/0x2b0
[  308.105282]  ? lock_pi_update_atomic+0x150/0x150
[  308.110032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.115594]  ? lock_acquire+0x1ed/0x520
[  308.119566]  ? ext4_filemap_fault+0x7a/0xad
[  308.123886]  ? lock_release+0xa00/0xa00
[  308.127855]  ? perf_trace_sched_process_exec+0x860/0x860
[  308.133298]  ? print_usage_bug+0xc0/0xc0
[  308.137355]  ? print_usage_bug+0xc0/0xc0
[  308.141426]  ? down_read+0x8d/0x120
[  308.145048]  ? ext4_filemap_fault+0x7a/0xad
[  308.149363]  ? __down_interruptible+0x700/0x700
[  308.154036]  ext4_filemap_fault+0x82/0xad
[  308.158185]  __do_fault+0x100/0x6b0
[  308.161811]  ? pmd_devmap_trans_unstable+0x220/0x220
[  308.166911]  ? mark_held_locks+0x130/0x130
[  308.171149]  ? mark_held_locks+0x130/0x130
[  308.175383]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.180654]  ? rcu_softirq_qs+0x20/0x20
[  308.184628]  ? kasan_check_write+0x14/0x20
[  308.188858]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.194392]  __handle_mm_fault+0x3ea0/0x5be0
[  308.198804]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  308.203642]  ? aa_path_link+0x5e0/0x5e0
[  308.207616]  ? ksys_dup3+0x680/0x680
[  308.211334]  ? zap_class+0x640/0x640
[  308.215040]  ? zap_class+0x640/0x640
[  308.218746]  ? __x64_sys_futex+0x53e/0x6a0
[  308.223063]  ? find_held_lock+0x36/0x1c0
[  308.227126]  ? handle_mm_fault+0x42a/0xc70
[  308.231357]  ? lock_downgrade+0x900/0x900
[  308.235498]  ? check_preemption_disabled+0x48/0x280
[  308.240509]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  308.245436]  ? kasan_check_read+0x11/0x20
[  308.249580]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.254859]  ? rcu_softirq_qs+0x20/0x20
[  308.258830]  ? trace_hardirqs_off_caller+0x310/0x310
[  308.263934]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.269467]  ? check_preemption_disabled+0x48/0x280
[  308.274484]  handle_mm_fault+0x54f/0xc70
[  308.278545]  ? __handle_mm_fault+0x5be0/0x5be0
[  308.283124]  ? find_vma+0x34/0x190
[  308.286665]  __do_page_fault+0x5e8/0xe60
[  308.290719]  ? trace_hardirqs_off+0xb8/0x310
[  308.295132]  do_page_fault+0xf2/0x7e0
[  308.298939]  ? vmalloc_sync_all+0x30/0x30
[  308.303081]  ? error_entry+0x70/0xd0
[  308.306808]  ? trace_hardirqs_off_caller+0xbb/0x310
[  308.311821]  ? trace_hardirqs_on_caller+0xc0/0x310
[  308.316750]  ? syscall_return_slowpath+0x5e0/0x5e0
[  308.321674]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.326512]  ? trace_hardirqs_on_caller+0x310/0x310
[  308.331520]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  308.336971]  ? prepare_exit_to_usermode+0x291/0x3b0
[  308.341984]  ? page_fault+0x8/0x30
[  308.345520]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  308.350359]  ? page_fault+0x8/0x30
[  308.353892]  page_fault+0x1e/0x30
[  308.357344] RIP: 0033:0x40f9c0
[  308.360550] Code: Bad RIP value.
[  308.363913] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  308.369272] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  308.376547] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  308.383811] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  308.391074] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  308.398336] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  308.405613] warn_alloc_show_mem: 1 callbacks suppressed
[  308.405623] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  308.405624] Mem-Info:
[  308.405655] active_anon:51741 inactive_anon:192 isolated_anon:0
[  308.405655]  active_file:28 inactive_file:10 isolated_file:0
[  308.405655]  unevictable:0 dirty:0 writeback:0 unstable:0
[  308.405655]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  308.405655]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  308.405655]  free:13684 free_pcp:150 free_cma:0
[  308.410993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  308.411000] Call Trace:
[  308.418273] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  308.420661]  <IRQ>
[  308.453522] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  308.462869]  dump_stack+0x244/0x39d
[  308.465417] lowmem_reserve[]: 0 2818 6321 6321
[  308.492992]  ? dump_stack_print_info.cold.1+0x20/0x20
[  308.495109] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  308.521228]  warn_alloc.cold.116+0xb7/0x1bd
[  308.524815] lowmem_reserve[]: 0 0 3503 3503
[  308.529383]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  308.534544] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  308.562205]  ? lock_downgrade+0x900/0x900
[  308.566492] lowmem_reserve[]: 0 0 0 0
[  308.570812]  ? trace_hardirqs_off+0xb8/0x310
[  308.575619] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  308.604499]  ? trace_hardirqs_off+0xb8/0x310
[  308.608620] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  308.612419]  __alloc_pages_slowpath+0x26e8/0x2e10
[  308.616797] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  308.630333]  ? warn_alloc+0x120/0x120
[  308.634703] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  308.649947]  ? print_usage_bug+0xc0/0xc0
[  308.654763] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  308.670003]  ? warn_alloc+0x120/0x120
[  308.673774] 281 total pagecache pages
[  308.682594]  ? warn_alloc+0x120/0x120
[  308.686638] 0 pages in swap cache
[  308.695198]  ? print_usage_bug+0xc0/0xc0
[  308.698969] Swap cache stats: add 0, delete 0, find 0/0
[  308.702758]  ? kvm_clock_read+0x18/0x30
[  308.706526] Free swap  = 0kB
[  308.709974]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  308.714004] Total swap = 0kB
[  308.719352]  ? print_usage_bug+0xc0/0xc0
[  308.723297] 1965979 pages RAM
[  308.726303]  ? __lock_acquire+0x62f/0x4c20
[  308.731290] 0 pages HighMem/MovableOnly
[  308.734298]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  308.738343] 342854 pages reserved
[  308.741434]  ? should_fail+0x22d/0xd01
[  308.745650] 0 pages cma reserved
[  308.749611]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.755189] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  308.758557]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.758572]  ? __lock_acquire+0x62f/0x4c20
[  308.758590]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  308.762506] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  308.765803]  ? __lock_acquire+0x62f/0x4c20
[  308.771062] syz-fuzzer cpuset=/ mems_allowed=0
[  308.777531]  ? should_fail+0x22d/0xd01
[  308.777545]  ? rcu_irq_exit+0x1a2/0x390
[  308.819402]  ? mark_held_locks+0x130/0x130
[  308.823641]  ? mark_held_locks+0x130/0x130
[  308.827882]  ? mark_held_locks+0xc7/0x130
[  308.832028]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  308.837039]  ? zap_class+0x640/0x640
[  308.840747]  ? print_usage_bug+0xc0/0xc0
[  308.844811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.850347]  ? check_preemption_disabled+0x48/0x280
[  308.855367]  ? __lock_is_held+0xb5/0x140
[  308.859429]  __alloc_pages_nodemask+0xa80/0xde0
[  308.864093]  ? zap_class+0x640/0x640
[  308.867804]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  308.872837]  ? find_held_lock+0x36/0x1c0
[  308.876913]  ? ____cache_alloc_node+0x1c7/0x1e0
[  308.881579]  ? lock_downgrade+0x900/0x900
[  308.885730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.891264]  cache_grow_begin+0xa5/0x8c0
[  308.895319]  ? do_raw_spin_unlock+0xa7/0x330
[  308.899731]  fallback_alloc+0x204/0x2e0
[  308.903706]  ____cache_alloc_node+0x1c7/0x1e0
[  308.908203]  kmem_cache_alloc_node+0xe3/0x730
[  308.912693]  ? ipv6_get_ifaddr+0x42e/0x620
[  308.916931]  __alloc_skb+0x119/0x770
[  308.920639]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  308.925915]  ? netdev_alloc_frag+0x1f0/0x1f0
[  308.930322]  ? lock_downgrade+0x900/0x900
[  308.934470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  308.940003]  ? refcount_sub_and_test_checked+0x203/0x310
[  308.945451]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  308.950897]  ? addrconf_rs_timer+0x690/0x690
[  308.955313]  ndisc_alloc_skb+0x144/0x340
[  308.959375]  ndisc_send_rs+0x331/0x6e0
[  308.963260]  addrconf_rs_timer+0x314/0x690
[  308.967495]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.971737]  call_timer_fn+0x272/0x920
[  308.975621]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  308.979856]  ? process_timeout+0x40/0x40
[  308.983926]  ? __run_timers+0x7da/0xc70
[  308.987896]  ? _raw_spin_unlock_irq+0x27/0x80
[  308.992385]  ? _raw_spin_unlock_irq+0x27/0x80
[  308.996879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.001112]  ? lockdep_hardirqs_on+0x296/0x5b0
[  309.005696]  ? trace_hardirqs_on+0xbd/0x310
[  309.010012]  ? kasan_check_read+0x11/0x20
[  309.014174]  ? __run_timers+0x7da/0xc70
[  309.018144]  ? trace_hardirqs_off_caller+0x310/0x310
[  309.023419]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.027651]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.031881]  __run_timers+0x7e5/0xc70
[  309.035697]  ? timer_fixup_init+0x70/0x70
[  309.039850]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  309.044874]  ? zap_class+0x640/0x640
[  309.048585]  ? enqueue_hrtimer+0x1a5/0x560
[  309.052818]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  309.058027]  ? find_held_lock+0x36/0x1c0
[  309.062093]  ? zap_class+0x640/0x640
[  309.065819]  ? pvclock_read_flags+0x160/0x160
[  309.070493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.076644]  ? check_preemption_disabled+0x48/0x280
[  309.081662]  ? __lock_is_held+0xb5/0x140
[  309.085720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.091604]  ? check_preemption_disabled+0x48/0x280
[  309.096620]  run_timer_softirq+0x52/0xb0
[  309.100680]  ? rcu_read_lock_sched_held+0x14f/0x180
[  309.105690]  __do_softirq+0x308/0xb7e
[  309.109488]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  309.113975]  ? lock_downgrade+0x900/0x900
[  309.118124]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  309.123227]  ? pvclock_read_flags+0x160/0x160
[  309.127722]  ? lapic_next_event+0x5a/0x90
[  309.131867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.137402]  ? kvm_clock_read+0x18/0x30
[  309.141373]  ? kvm_sched_clock_read+0x9/0x20
[  309.145776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.151310]  ? check_preemption_disabled+0x48/0x280
[  309.156509]  irq_exit+0x17f/0x1c0
[  309.159961]  smp_apic_timer_interrupt+0x1cb/0x760
[  309.164819]  ? smp_reschedule_interrupt+0x109/0x650
[  309.169848]  ? smp_call_function_single_interrupt+0x650/0x650
[  309.175728]  ? interrupt_entry+0xb5/0xc0
[  309.179790]  ? trace_hardirqs_off_caller+0xbb/0x310
[  309.184799]  ? trace_hardirqs_off_caller+0xbb/0x310
[  309.189817]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.194666]  ? trace_hardirqs_on_caller+0x310/0x310
[  309.199679]  ? trace_hardirqs_on_caller+0x310/0x310
[  309.204691]  ? task_prio+0x50/0x50
[  309.208231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.213767]  ? check_preemption_disabled+0x48/0x280
[  309.218781]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.223627]  apic_timer_interrupt+0xf/0x20
[  309.227855]  </IRQ>
[  309.230090] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  309.235020] Code: 7e 0f 85 cf fe ff ff e8 36 fd 3d ff e9 c5 fe ff ff e8 9d 32 c3 ff 48 83 3d b5 7b 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 52 6a
[  309.253914] RSP: 0000:ffff8801926c7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  309.261615] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  309.268879] RDX: 0000000000000000 RSI: ffff8801936c8f40 RDI: 0000000000000286
[  309.276579] RBP: ffff8801926c77a0 R08: ffff8801936c86c0 R09: 0000000000000000
[  309.283844] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  309.291111] R13: ffff8801d9bee600 R14: ffff8801d9bee600 R15: 0000000000480020
[  309.298411]  skb_clone+0x1bb/0x500
[  309.301946]  ? finish_task_switch+0x1b4/0x910
[  309.306440]  ? skb_split+0x11e0/0x11e0
[  309.310324]  ? preempt_notifier_register+0x200/0x200
[  309.315419]  ? __switch_to_asm+0x34/0x70
[  309.319473]  ? __switch_to_asm+0x34/0x70
[  309.323530]  ? __switch_to_asm+0x40/0x70
[  309.327589]  ? __switch_to_asm+0x34/0x70
[  309.331641]  ? __switch_to_asm+0x40/0x70
[  309.335693]  ? __switch_to_asm+0x34/0x70
[  309.339744]  ? __switch_to_asm+0x40/0x70
[  309.343798]  ? __switch_to_asm+0x34/0x70
[  309.347859]  ? __switch_to_asm+0x34/0x70
[  309.351914]  ? __switch_to_asm+0x40/0x70
[  309.355971]  ? __switch_to_asm+0x34/0x70
[  309.360029]  bpf_clone_redirect+0xb9/0x490
[  309.364262]  ? __schedule+0x8d7/0x21d0
[  309.368149]  bpf_prog_bebbfe2050753572+0x1ad/0x1000
[  309.373164]  ? __sched_text_start+0x8/0x8
[  309.377313]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  309.381893]  ? retint_kernel+0x2d/0x2d
[  309.385775]  ? trace_hardirqs_on_caller+0xc0/0x310
[  309.390708]  ? find_held_lock+0x36/0x1c0
[  309.394776]  ? lock_acquire+0x1ed/0x520
[  309.398753]  ? bpf_test_run+0x3cb/0x780
[  309.402726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.408261]  ? check_preemption_disabled+0x48/0x280
[  309.413453]  ? kasan_check_read+0x11/0x20
[  309.417600]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.422877]  ? rcu_softirq_qs+0x20/0x20
[  309.426849]  ? preempt_schedule+0x4d/0x60
[  309.431006]  ? ___preempt_schedule+0x16/0x18
[  309.435416]  ? bpf_test_run+0x25d/0x780
[  309.439398]  ? netlink_diag_dump+0x2a0/0x2a0
[  309.443815]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.449350]  ? bpf_test_init.isra.10+0x70/0x100
[  309.454018]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  309.458781]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  309.463626]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  309.469160]  ? fput+0x130/0x1a0
[  309.472436]  ? __bpf_prog_get+0x9b/0x290
[  309.476499]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  309.481338]  ? bpf_prog_test_run+0x130/0x1a0
[  309.485742]  ? __x64_sys_bpf+0x3d8/0x520
[  309.489807]  ? bpf_prog_get+0x20/0x20
[  309.493621]  ? do_syscall_64+0x1b9/0x820
[  309.497676]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  309.503034]  ? syscall_return_slowpath+0x5e0/0x5e0
[  309.507962]  ? trace_hardirqs_on_caller+0x310/0x310
[  309.512973]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  309.517991]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  309.524652]  ? __switch_to_asm+0x40/0x70
[  309.528707]  ? __switch_to_asm+0x34/0x70
[  309.532767]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  309.537616]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  309.542997] CPU: 0 PID: 5976 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #141
[  309.543075] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  309.550014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  309.550019] Call Trace:
[  309.550026]  <IRQ>
[  309.550043]  dump_stack+0x244/0x39d
[  309.550066]  ? dump_stack_print_info.cold.1+0x20/0x20
[  309.556586] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  309.565876]  warn_alloc.cold.116+0xb7/0x1bd
[  309.568423] syz-executor2 cpuset=syz2 mems_allowed=0
[  309.570565]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  309.604032]  ? lock_downgrade+0x900/0x900
[  309.608186]  ? trace_hardirqs_off+0xb8/0x310
[  309.612598]  ? trace_hardirqs_off+0xb8/0x310
[  309.617025]  __alloc_pages_slowpath+0x26e8/0x2e10
[  309.621895]  ? warn_alloc+0x120/0x120
[  309.626214]  ? print_usage_bug+0xc0/0xc0
[  309.630274]  ? warn_alloc+0x120/0x120
[  309.634072]  ? warn_alloc+0x120/0x120
[  309.637869]  ? print_usage_bug+0xc0/0xc0
[  309.641933]  ? print_usage_bug+0xc0/0xc0
[  309.645989]  ? __lock_acquire+0x62f/0x4c20
[  309.650225]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  309.655762]  ? should_fail+0x22d/0xd01
[  309.659656]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.664756]  ? __lock_acquire+0x62f/0x4c20
[  309.668995]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  309.674093]  ? __lock_acquire+0x62f/0x4c20
[  309.678319]  ? should_fail+0x22d/0xd01
[  309.682205]  ? find_held_lock+0x36/0x1c0
[  309.686270]  ? mark_held_locks+0x130/0x130
[  309.690505]  ? mark_held_locks+0x130/0x130
[  309.694732]  ? zap_class+0x640/0x640
[  309.698534]  ? zap_class+0x640/0x640
[  309.702249]  ? print_usage_bug+0xc0/0xc0
[  309.706304]  ? do_raw_spin_unlock+0xa7/0x330
[  309.710706]  ? zap_class+0x640/0x640
[  309.714417]  ? print_usage_bug+0xc0/0xc0
[  309.718485]  ? wq_watchdog_touch+0x9c/0xfe
[  309.722720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.728274]  ? check_preemption_disabled+0x48/0x280
[  309.733292]  ? __lock_is_held+0xb5/0x140
[  309.737353]  __alloc_pages_nodemask+0xa80/0xde0
[  309.742019]  ? zap_class+0x640/0x640
[  309.745733]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  309.750755]  ? find_held_lock+0x36/0x1c0
[  309.754827]  ? ____cache_alloc_node+0x1c7/0x1e0
[  309.759500]  ? lock_downgrade+0x900/0x900
[  309.763651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.769186]  cache_grow_begin+0xa5/0x8c0
[  309.773256]  ? do_raw_spin_unlock+0xa7/0x330
[  309.777676]  fallback_alloc+0x204/0x2e0
[  309.781649]  ____cache_alloc_node+0x1c7/0x1e0
[  309.786144]  kmem_cache_alloc_node+0xe3/0x730
[  309.790635]  ? ipv6_get_ifaddr+0x42e/0x620
[  309.794879]  __alloc_skb+0x119/0x770
[  309.798591]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  309.803866]  ? netdev_alloc_frag+0x1f0/0x1f0
[  309.808274]  ? lock_downgrade+0x900/0x900
[  309.812446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.817976]  ? refcount_sub_and_test_checked+0x203/0x310
[  309.823423]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  309.828877]  ? addrconf_rs_timer+0x690/0x690
[  309.833298]  ndisc_alloc_skb+0x144/0x340
[  309.837377]  ndisc_send_rs+0x331/0x6e0
[  309.841271]  addrconf_rs_timer+0x314/0x690
[  309.845505]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.849745]  call_timer_fn+0x272/0x920
[  309.853643]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.857879]  ? process_timeout+0x40/0x40
[  309.861954]  ? mark_held_locks+0xc7/0x130
[  309.866201]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.870693]  ? _raw_spin_unlock_irq+0x27/0x80
[  309.875179]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.879411]  ? lockdep_hardirqs_on+0x296/0x5b0
[  309.883991]  ? trace_hardirqs_on+0xbd/0x310
[  309.888313]  ? kasan_check_read+0x11/0x20
[  309.892457]  ? __run_timers+0x7da/0xc70
[  309.896428]  ? trace_hardirqs_off_caller+0x310/0x310
[  309.901531]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.905771]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  309.909998]  __run_timers+0x7e5/0xc70
[  309.913807]  ? timer_fixup_init+0x70/0x70
[  309.917950]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  309.922964]  ? zap_class+0x640/0x640
[  309.926678]  ? print_usage_bug+0xc0/0xc0
[  309.930736]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  309.935933]  ? find_held_lock+0x36/0x1c0
[  309.939999]  ? zap_class+0x640/0x640
[  309.943716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.949250]  ? check_preemption_disabled+0x48/0x280
[  309.954270]  ? __lock_is_held+0xb5/0x140
[  309.958327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  309.963862]  ? check_preemption_disabled+0x48/0x280
[  309.968877]  run_timer_softirq+0x52/0xb0
[  309.972935]  ? rcu_read_lock_sched_held+0x14f/0x180
[  309.977946]  __do_softirq+0x308/0xb7e
[  309.981744]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  309.986290]  ? lock_downgrade+0x900/0x900
[  309.990448]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  309.995566]  ? pvclock_read_flags+0x160/0x160
[  310.000066]  ? lapic_next_event+0x5a/0x90
[  310.004216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.009762]  ? kvm_clock_read+0x18/0x30
[  310.013729]  ? kvm_sched_clock_read+0x9/0x20
[  310.018142]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.023677]  ? check_preemption_disabled+0x48/0x280
[  310.028697]  irq_exit+0x17f/0x1c0
[  310.032147]  smp_apic_timer_interrupt+0x1cb/0x760
[  310.036984]  ? smp_call_function_single_interrupt+0x159/0x650
[  310.042867]  ? smp_call_function_single_interrupt+0x650/0x650
[  310.048749]  ? interrupt_entry+0xb5/0xc0
[  310.052808]  ? trace_hardirqs_off_caller+0xbb/0x310
[  310.057819]  ? trace_hardirqs_off_caller+0xbb/0x310
[  310.062832]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.067669]  ? trace_hardirqs_on_caller+0x310/0x310
[  310.072683]  ? trace_hardirqs_on_caller+0x310/0x310
[  310.077723]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.082585]  apic_timer_interrupt+0xf/0x20
[  310.086809]  </IRQ>
[  310.089043] RIP: 0010:write_comp_data+0xd/0x70
[  310.093625] Code: e8 68 4e 43 00 e9 6f fc ff ff e8 6e 66 c9 ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 4c 8b 04 25 40 ee 01 00 <65> 8b 05 7c 63 82 7e a9 00 01 1f 00 75 51 41 8b 80 d8 12 00 00 83
[  310.112526] RSP: 0000:ffff8801b429dff0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[  310.120229] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff81b01c7d
[  310.127492] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000001
[  310.134760] RBP: ffff8801b429dff0 R08: ffff8801b43da580 R09: ffffed003b5c5b67
[  310.142023] R10: ffffed003b5c5b67 R11: ffff8801dae2db3b R12: 1ffff10036853c03
[  310.149286] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffffffffffff
[  310.156564]  ? list_lru_count_one+0x36d/0x450
[  310.161063]  __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  310.166419]  list_lru_count_one+0x36d/0x450
[  310.170741]  ? list_lru_isolate_move+0x3c0/0x3c0
[  310.175490]  ? shmem_free_inode+0xd0/0xd0
[  310.179636]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.185185]  ? ubifs_shrink_count+0xc4/0x100
[  310.189600]  super_cache_count+0x1b9/0x2e0
[  310.193833]  do_shrink_slab+0x1b1/0xd30
[  310.197808]  ? lock_acquire+0x1ed/0x520
[  310.201779]  ? snapshot_refaults+0x290/0x290
[  310.206188]  ? lock_release+0xa00/0xa00
[  310.210163]  ? throttle_direct_reclaim+0x9e0/0x9e0
[  310.215101]  ? down_read_trylock+0xda/0x140
[  310.219414]  ? shrink_slab+0x207/0x8c0
[  310.223296]  ? downgrade_write+0x270/0x270
[  310.227552]  shrink_slab+0x389/0x8c0
[  310.231258]  ? shrink_active_list+0x1f00/0x1f00
[  310.235941]  ? unregister_memcg_shrinker.isra.44+0x50/0x50
[  310.241565]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  310.246682]  ? cgroup_procs_write_finish+0xf0/0xf0
[  310.251614]  ? find_held_lock+0x36/0x1c0
[  310.255679]  shrink_node+0x431/0x16b0
[  310.259475]  ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0
[  310.264776]  ? shrink_node_memcg+0x18f0/0x18f0
[  310.269359]  ? kvm_clock_read+0x18/0x30
[  310.273332]  ? ktime_get+0x2c1/0x400
[  310.277043]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  310.281535]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  310.287070]  ? __cpuset_node_allowed+0x19b/0x660
[  310.291826]  ? cpuset_nodemask_valid_mems_allowed+0x90/0x90
[  310.297537]  ? delayacct_end+0x5a/0x100
[  310.301514]  do_try_to_free_pages+0x3e7/0x1290
[  310.306092]  ? zap_class+0x640/0x640
[  310.309815]  ? shrink_node+0x16b0/0x16b0
[  310.313874]  ? __lock_is_held+0xb5/0x140
[  310.317945]  try_to_free_pages+0x4d0/0xb90
[  310.322185]  ? do_try_to_free_pages+0x1290/0x1290
[  310.327053]  ? lock_acquire+0x1ed/0x520
[  310.331020]  ? set_page_refcounted+0x280/0x280
[  310.335610]  ? lock_release+0xa00/0xa00
[  310.339581]  ? _raw_spin_unlock_irq+0x60/0x80
[  310.344073]  ? psi_memstall_enter+0x240/0x2b0
[  310.348567]  ? psi_memstall_tick+0x230/0x230
[  310.352988]  __alloc_pages_slowpath+0xa14/0x2e10
[  310.357768]  ? warn_alloc+0x120/0x120
[  310.361562]  ? mark_held_locks+0x130/0x130
[  310.365799]  ? find_get_entry+0xaae/0x1120
[  310.370038]  ? filemap_map_pages+0x1a20/0x1a20
[  310.374623]  ? zap_class+0x640/0x640
[  310.378339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.383878]  ? check_preemption_disabled+0x48/0x280
[  310.388894]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.394426]  ? should_fail+0x22d/0xd01
[  310.398314]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  310.403413]  ? zap_class+0x640/0x640
[  310.407146]  ? __lock_is_held+0xb5/0x140
[  310.411208]  ? mark_held_locks+0x130/0x130
[  310.415443]  ? lock_release+0xa00/0xa00
[  310.419418]  ? perf_trace_sched_process_exec+0x860/0x860
[  310.424863]  ? xa_load+0x2ba/0x460
[  310.428398]  ? lock_downgrade+0x900/0x900
[  310.432544]  ? __might_sleep+0x95/0x190
[  310.436517]  __alloc_pages_nodemask+0xa80/0xde0
[  310.441190]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  310.446200]  ? __page_cache_alloc+0x191/0x5c0
[  310.450690]  ? xa_load+0x2e1/0x460
[  310.454248]  ? xa_clear_mark+0x40/0x40
[  310.458132]  ? zap_class+0x640/0x640
[  310.461847]  ? zap_class+0x640/0x640
[  310.465555]  ? zap_class+0x640/0x640
[  310.469263]  ? __do_page_cache_readahead+0x663/0x810
[  310.474367]  ? find_held_lock+0x36/0x1c0
[  310.478428]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  310.483971]  alloc_pages_current+0x173/0x350
[  310.488379]  __page_cache_alloc+0x38c/0x5c0
[  310.492695]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  310.497630]  ? kasan_check_read+0x11/0x20
[  310.501774]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.507049]  ? generic_perform_write+0x6a0/0x6a0
[  310.511802]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.517338]  ? check_preemption_disabled+0x48/0x280
[  310.522355]  filemap_fault+0x1595/0x25f0
[  310.526420]  ? __lock_page_or_retry+0xa00/0xa00
[  310.531086]  ? mark_held_locks+0x130/0x130
[  310.535323]  ? filemap_map_pages+0xd6b/0x1a20
[  310.539814]  ? lock_downgrade+0x900/0x900
[  310.543969]  ? check_preemption_disabled+0x48/0x280
[  310.548988]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  310.553909]  ? kasan_check_read+0x11/0x20
[  310.558052]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.563320]  ? rcu_softirq_qs+0x20/0x20
[  310.567302]  ? filemap_map_pages+0xd92/0x1a20
[  310.571808]  ? find_get_entries_tag+0x1400/0x1400
[  310.576646]  ? debug_object_destroy+0x2b0/0x2b0
[  310.581313]  ? lock_pi_update_atomic+0x150/0x150
[  310.586065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  310.591611]  ? lock_acquire+0x1ed/0x520
[  310.595584]  ? ext4_filemap_fault+0x7a/0xad
[  310.599907]  ? lock_release+0xa00/0xa00
[  310.603876]  ? perf_trace_sched_process_exec+0x860/0x860
[  310.609325]  ? print_usage_bug+0xc0/0xc0
[  310.613382]  ? print_usage_bug+0xc0/0xc0
[  310.617448]  ? down_read+0x8d/0x120
[  310.621068]  ? ext4_filemap_fault+0x7a/0xad
[  310.625577]  ? __down_interruptible+0x700/0x700
[  310.630250]  ext4_filemap_fault+0x82/0xad
[  310.634394]  __do_fault+0x100/0x6b0
[  310.638025]  ? pmd_devmap_trans_unstable+0x220/0x220
[  310.643129]  ? mark_held_locks+0x130/0x130
[  310.647359]  ? mark_held_locks+0x130/0x130
[  310.651776]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.657050]  ? rcu_softirq_qs+0x20/0x20
[  310.661022]  ? kasan_check_write+0x14/0x20
[  310.665256]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.670792]  __handle_mm_fault+0x3ea0/0x5be0
[  310.675205]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  310.680047]  ? aa_path_link+0x5e0/0x5e0
[  310.684035]  ? ksys_dup3+0x680/0x680
[  310.687758]  ? zap_class+0x640/0x640
[  310.691464]  ? zap_class+0x640/0x640
[  310.695169]  ? __x64_sys_futex+0x53e/0x6a0
[  310.699408]  ? find_held_lock+0x36/0x1c0
[  310.703475]  ? handle_mm_fault+0x42a/0xc70
[  310.707714]  ? lock_downgrade+0x900/0x900
[  310.711857]  ? check_preemption_disabled+0x48/0x280
[  310.716869]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  310.721797]  ? kasan_check_read+0x11/0x20
[  310.725937]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  310.731219]  ? rcu_softirq_qs+0x20/0x20
[  310.735192]  ? trace_hardirqs_off_caller+0x310/0x310
[  310.740288]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  310.745818]  ? check_preemption_disabled+0x48/0x280
[  310.750834]  handle_mm_fault+0x54f/0xc70
[  310.754896]  ? __handle_mm_fault+0x5be0/0x5be0
[  310.759481]  ? find_vma+0x34/0x190
[  310.763023]  __do_page_fault+0x5e8/0xe60
[  310.767082]  ? trace_hardirqs_off+0xb8/0x310
[  310.771492]  do_page_fault+0xf2/0x7e0
[  310.775293]  ? vmalloc_sync_all+0x30/0x30
[  310.779434]  ? error_entry+0x70/0xd0
[  310.783146]  ? trace_hardirqs_off_caller+0xbb/0x310
[  310.788171]  ? trace_hardirqs_on_caller+0xc0/0x310
[  310.793478]  ? syscall_return_slowpath+0x5e0/0x5e0
[  310.798408]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.803252]  ? trace_hardirqs_on_caller+0x310/0x310
[  310.808275]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  310.813724]  ? prepare_exit_to_usermode+0x291/0x3b0
[  310.818737]  ? page_fault+0x8/0x30
[  310.822275]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  310.827113]  ? page_fault+0x8/0x30
[  310.830650]  page_fault+0x1e/0x30
[  310.834103] RIP: 0033:0x40f9c0
[  310.837304] Code: Bad RIP value.
[  310.840658] RSP: 002b:000000c42001fef8 EFLAGS: 00010216
[  310.846019] RAX: ffffffffffffff92 RBX: 000000003b97f88d RCX: 000000000045ddf3
[  310.853281] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  310.860718] RBP: 000000c42001ff20 R08: 0000000000000000 R09: 0000000000000000
[  310.867982] R10: 000000c42001fed8 R11: 0000000000000206 R12: 0000000000000001
[  310.875245] R13: 000000c4211edf20 R14: 0000000000000001 R15: 0000000000000000
[  310.882529] warn_alloc_show_mem: 1 callbacks suppressed
[  310.882539] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #141
[  310.882540] Mem-Info:
[  310.882573] active_anon:51741 inactive_anon:192 isolated_anon:0
[  310.882573]  active_file:28 inactive_file:10 isolated_file:0
[  310.882573]  unevictable:0 dirty:0 writeback:0 unstable:0
[  310.882573]  slab_reclaimable:9067 slab_unreclaimable:1456207
[  310.882573]  mapped:49154 shmem:243 pagetables:679 bounce:0
[  310.882573]  free:13684 free_pcp:150 free_cma:0
[  310.887905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  310.895183] Node 0 active_anon:206964kB inactive_anon:768kB active_file:112kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 157696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  310.897568] Call Trace:
[  310.930427] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  310.939768]  <IRQ>
[  310.967328] lowmem_reserve[]: 0 2818 6321 6321
[  310.969908]  dump_stack+0x244/0x39d
[  310.995982] Node 0 DMA32 free:24848kB min:30052kB low:37564kB high:45076kB active_anon:8192kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  310.998138]  ? dump_stack_print_info.cold.1+0x20/0x20
[  311.002685] lowmem_reserve[]: 0 0 3503 3503
[  311.006318]  warn_alloc.cold.116+0xb7/0x1bd
[  311.033871] Node 0 Normal free:13980kB min:37364kB low:46704kB high:56044kB active_anon:198772kB inactive_anon:768kB active_file:68kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6784kB pagetables:2716kB bounce:0kB free_pcp:352kB local_pcp:136kB free_cma:0kB
[  311.039053]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  311.043342] lowmem_reserve[]: 0 0 0 0
[  311.047662]  ? lock_downgrade+0x900/0x900
[  311.076519] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  311.081367]  ? trace_hardirqs_off+0xb8/0x310
[  311.085131] Node 0 DMA32: 4*4kB (UM) 2*8kB (UM) 3*16kB (M) 2*32kB (M) 4*64kB (UM) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24848kB
[  311.089270]  ? trace_hardirqs_off+0xb8/0x310
[  311.102763] Node 0 Normal: 953*4kB (UMEH) 455*8kB (UME) 176*16kB (UME) 68*32kB (UME) 2*64kB (UH) 1*128kB (H) 1*256kB (H) 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 13980kB
[  311.107162]  __alloc_pages_slowpath+0x26e8/0x2e10
[  311.122394] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  311.126814]  ? warn_alloc+0x120/0x120
[  311.142028] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  311.146852]  ? print_usage_bug+0xc0/0xc0
[  311.155664] 281 total pagecache pages
[  311.159448]  ? warn_alloc+0x120/0x120
[  311.168009] 0 pages in swap cache
[  311.172050]  ? warn_alloc+0x120/0x120
[  311.175825] Swap cache stats: add 0, delete 0, find 0/0
[  311.179608]  ? print_usage_bug+0xc0/0xc0
[  311.183029] Free swap  = 0kB
[  311.186821]  ? print_usage_bug+0xc0/0xc0
[  311.192154] Total swap = 0kB
[  311.192162] 1965979 pages RAM
[  311.196208]  ? __lock_acquire+0x62f/0x4c20
[  311.199192] 0 pages HighMem/MovableOnly
[  311.199200] 342854 pages reserved
[  311.203252]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  311.206239] 0 pages cma reserved
[  311.209331]  ? should_fail+0x22d/0xd01
[  311.213617] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  311.217502]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.217516]  ? __lock_acquire+0x62f/0x4c20
[  311.217534]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  311.221030] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  311.226481]  ? __lock_acquire+0x62f/0x4c20
[  311.229823] syz-fuzzer cpuset=/ mems_allowed=0
[  311.233688]  ? should_fail+0x22d/0xd01
[  311.233703]  ? find_held_lock+0x36/0x1c0
[  311.281667]  ? mark_held_locks+0x130/0x130
[  311.285903]  ? mark_held_locks+0x130/0x130
[  311.290134]  ? zap_class+0x640/0x640
[  311.293846]  ? zap_class+0x640/0x640
[  311.297554]  ? print_usage_bug+0xc0/0xc0
[  311.301611]  ? do_raw_spin_unlock+0xa7/0x330
[  311.306020]  ? zap_class+0x640/0x640
[  311.309732]  ? print_usage_bug+0xc0/0xc0
[  311.313786]  ? wq_watchdog_touch+0x9c/0xfe
[  311.318024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.323559]  ? check_preemption_disabled+0x48/0x280
[  311.328578]  ? __lock_is_held+0xb5/0x140
[  311.332647]  __alloc_pages_nodemask+0xa80/0xde0
[  311.337316]  ? zap_class+0x640/0x640
[  311.341043]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  311.346067]  ? find_held_lock+0x36/0x1c0
[  311.350137]  ? ____cache_alloc_node+0x1c7/0x1e0
[  311.354807]  ? lock_downgrade+0x900/0x900
[  311.358958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.364499]  cache_grow_begin+0xa5/0x8c0
[  311.368561]  ? do_raw_spin_unlock+0xa7/0x330
[  311.372972]  fallback_alloc+0x204/0x2e0
[  311.376948]  ____cache_alloc_node+0x1c7/0x1e0
[  311.381443]  kmem_cache_alloc_node+0xe3/0x730
[  311.385936]  ? ipv6_get_ifaddr+0x42e/0x620
[  311.390179]  __alloc_skb+0x119/0x770
[  311.393895]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  311.399170]  ? netdev_alloc_frag+0x1f0/0x1f0
[  311.403578]  ? lock_downgrade+0x900/0x900
[  311.407728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  311.413260]  ? refcount_sub_and_test_checked+0x203/0x310
[  311.418712]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  311.424155]  ? addrconf_rs_timer+0x690/0x690
[  311.428567]  ndisc_alloc_skb+0x144/0x340
[  311.432631]  ndisc_send_rs+0x331/0x6e0
[  311.436517]  addrconf_rs_timer+0x314/0x690
[  311.440752]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.444991]  call_timer_fn+0x272/0x920
[  311.448871]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.453103]  ? process_timeout+0x40/0x40
[  311.457164]  ? __run_timers+0x7da/0xc70
[  311.461135]  ? _raw_spin_unlock_irq+0x27/0x80
[  311.465633]  ? _raw_spin_unlock_irq+0x27/0x80
[  311.470121]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.474352]  ? lockdep_hardirqs_on+0x296/0x5b0
[  311.478945]  ? trace_hardirqs_on+0xbd/0x310
[  311.483264]  ? kasan_check_read+0x11/0x20
[  311.487405]  ? __run_timers+0x7da/0xc70
[  311.491379]  ? trace_hardirqs_off_caller+0x310/0x310
[  311.496482]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.500719]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  311.504946]  __run_timers+0x7e5/0xc70
[  311.508750]  ? timer_fixup_init+0x70/0x70