tainted 4.20.0-rc1+ #145
[  341.220262] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  341.227575] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  341.227580] Call Trace:
[  341.227587]  <IRQ>
[  341.227609]  dump_stack+0x244/0x39d
[  341.227628]  ? dump_stack_print_info.cold.1+0x20/0x20
[  341.234192] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  341.243576]  warn_alloc.cold.116+0xb7/0x1bd
[  341.246140] syz-fuzzer cpuset=/ mems_allowed=0
[  341.248295]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  341.281059]  ? lock_downgrade+0x900/0x900
[  341.285230]  ? trace_hardirqs_off+0xb8/0x310
[  341.289655]  ? trace_hardirqs_off+0xb8/0x310
[  341.294090]  __alloc_pages_slowpath+0x26e8/0x2e10
[  341.298971]  ? warn_alloc+0x120/0x120
[  341.302790]  ? warn_alloc+0x120/0x120
[  341.306602]  ? warn_alloc+0x120/0x120
[  341.310425]  ? print_usage_bug+0xc0/0xc0
[  341.314501]  ? print_usage_bug+0xc0/0xc0
[  341.318578]  ? check_usage_forwards+0x3d0/0x3d0
[  341.323258]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.328807]  ? should_fail+0x22d/0xd01
[  341.332705]  ? __bfs+0x321/0x780
[  341.336087]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.341200]  ? __lock_acquire+0x62f/0x4c20
[  341.345452]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.350565]  ? __lock_acquire+0x62f/0x4c20
[  341.354806]  ? should_fail+0x22d/0xd01
[  341.358704]  ? trace_hardirqs_on+0x310/0x310
[  341.363130]  ? mark_held_locks+0x130/0x130
[  341.367380]  ? mark_held_locks+0x130/0x130
[  341.371632]  ? kasan_check_read+0x11/0x20
[  341.375792]  ? __lock_acquire+0x2aff/0x4c20
[  341.380124]  ? zap_class+0x640/0x640
[  341.383852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.389399]  ? check_preemption_disabled+0x48/0x280
[  341.394433]  ? __lock_is_held+0xb5/0x140
[  341.398508]  __alloc_pages_nodemask+0xa80/0xde0
[  341.403189]  ? zap_class+0x640/0x640
[  341.406919]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  341.411960]  ? find_held_lock+0x36/0x1c0
[  341.416062]  ? ____cache_alloc_node+0x1c7/0x1e0
[  341.420748]  ? lock_downgrade+0x900/0x900
[  341.424913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.430465]  cache_grow_begin+0xa5/0x8c0
[  341.434533]  ? do_raw_spin_unlock+0xa7/0x330
[  341.438966]  fallback_alloc+0x204/0x2e0
[  341.442955]  ____cache_alloc_node+0x1c7/0x1e0
[  341.447468]  kmem_cache_alloc_node+0xe3/0x730
[  341.452037]  ? do_raw_spin_unlock+0xa7/0x330
[  341.456461]  ? do_raw_spin_trylock+0x270/0x270
[  341.461074]  __alloc_skb+0x119/0x770
[  341.464801]  ? netdev_alloc_frag+0x1f0/0x1f0
[  341.469217]  ? atomic_notifier_call_chain+0xc6/0x190
[  341.474333]  ? lock_downgrade+0x900/0x900
[  341.478491]  ? check_preemption_disabled+0x48/0x280
[  341.483520]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  341.488463]  ? kasan_check_read+0x11/0x20
[  341.492667]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.497956]  ? rcu_softirq_qs+0x20/0x20
[  341.501939]  ? kasan_check_read+0x11/0x20
[  341.506107]  ? do_raw_write_trylock+0x270/0x270
[  341.510794]  __neigh_notify+0x8c/0x160
[  341.514692]  ? neigh_connected_output+0x780/0x780
[  341.519552]  neigh_timer_handler+0x6cb/0xdf0
[  341.523971]  ? check_preemption_disabled+0x48/0x280
[  341.529002]  ? neigh_periodic_work+0xc60/0xc60
[  341.533613]  ? __lock_is_held+0xb5/0x140
[  341.537698]  call_timer_fn+0x272/0x920
[  341.541593]  ? neigh_periodic_work+0xc60/0xc60
[  341.546184]  ? process_timeout+0x40/0x40
[  341.550262]  ? __run_timers+0x7da/0xc70
[  341.554247]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.558747]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.563247]  ? neigh_periodic_work+0xc60/0xc60
[  341.567837]  ? lockdep_hardirqs_on+0x296/0x5b0
[  341.572429]  ? trace_hardirqs_on+0xbd/0x310
[  341.576761]  ? kasan_check_read+0x11/0x20
[  341.580914]  ? __run_timers+0x7da/0xc70
[  341.584900]  ? trace_hardirqs_off_caller+0x310/0x310
[  341.590044]  ? neigh_periodic_work+0xc60/0xc60
[  341.594635]  __run_timers+0x7e5/0xc70
[  341.598457]  ? timer_fixup_init+0x70/0x70
[  341.602713]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  341.607740]  ? zap_class+0x640/0x640
[  341.611468]  ? enqueue_hrtimer+0x1a5/0x560
[  341.615713]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  341.620918]  ? find_held_lock+0x36/0x1c0
[  341.624998]  ? zap_class+0x640/0x640
[  341.628741]  ? pvclock_read_flags+0x160/0x160
[  341.633258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.638804]  ? check_preemption_disabled+0x48/0x280
[  341.643837]  ? __lock_is_held+0xb5/0x140
[  341.647906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.653455]  ? check_preemption_disabled+0x48/0x280
[  341.658485]  run_timer_softirq+0x52/0xb0
[  341.662563]  ? rcu_read_lock_sched_held+0x14f/0x180
[  341.667590]  __do_softirq+0x308/0xb7e
[  341.671402]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  341.675907]  ? lock_downgrade+0x900/0x900
[  341.680075]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  341.685195]  ? pvclock_read_flags+0x160/0x160
[  341.689703]  ? lapic_next_event+0x5a/0x90
[  341.693866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.699420]  ? kvm_clock_read+0x18/0x30
[  341.703405]  ? kvm_sched_clock_read+0x9/0x20
[  341.707828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.713461]  ? check_preemption_disabled+0x48/0x280
[  341.718505]  irq_exit+0x17f/0x1c0
[  341.721971]  smp_apic_timer_interrupt+0x1cb/0x760
[  341.726822]  ? smp_reschedule_interrupt+0x109/0x650
[  341.731851]  ? smp_call_function_single_interrupt+0x650/0x650
[  341.737747]  ? interrupt_entry+0xb5/0xc0
[  341.741822]  ? trace_hardirqs_off_caller+0xbb/0x310
[  341.746847]  ? trace_hardirqs_off_caller+0xbb/0x310
[  341.751875]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.756726]  ? trace_hardirqs_on_caller+0x310/0x310
[  341.761749]  ? trace_hardirqs_on_caller+0x310/0x310
[  341.766786]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.771651]  apic_timer_interrupt+0xf/0x20
[  341.775887]  </IRQ>
[  341.778140] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  341.783082] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  341.801991] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  341.809740] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  341.817015] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  341.824308] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  341.831585] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  341.838858] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  341.846177]  skb_clone+0x1bb/0x500
[  341.849734]  ? finish_task_switch+0x1b4/0x910
[  341.854241]  ? skb_split+0x11e0/0x11e0
[  341.858142]  ? preempt_notifier_register+0x200/0x200
[  341.863252]  ? __switch_to_asm+0x34/0x70
[  341.867322]  ? __switch_to_asm+0x34/0x70
[  341.871391]  ? __switch_to_asm+0x40/0x70
[  341.875460]  ? __switch_to_asm+0x34/0x70
[  341.879528]  ? __switch_to_asm+0x40/0x70
[  341.883599]  ? __switch_to_asm+0x34/0x70
[  341.887668]  ? __switch_to_asm+0x40/0x70
[  341.891735]  ? __switch_to_asm+0x34/0x70
[  341.895802]  ? __switch_to_asm+0x34/0x70
[  341.899872]  ? __switch_to_asm+0x40/0x70
[  341.903942]  ? __switch_to_asm+0x34/0x70
[  341.908107]  bpf_clone_redirect+0xb9/0x490
[  341.912351]  ? __schedule+0x8d7/0x21d0
[  341.916255]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  341.921282]  ? __sched_text_start+0x8/0x8
[  341.925443]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  341.930049]  ? retint_kernel+0x2d/0x2d
[  341.933950]  ? trace_hardirqs_on_caller+0xc0/0x310
[  341.938894]  ? find_held_lock+0x36/0x1c0
[  341.942970]  ? lock_acquire+0x1ed/0x520
[  341.946953]  ? bpf_test_run+0x3cb/0x780
[  341.950943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.956491]  ? check_preemption_disabled+0x48/0x280
[  341.961521]  ? kasan_check_read+0x11/0x20
[  341.965680]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.970967]  ? rcu_softirq_qs+0x20/0x20
[  341.974952]  ? preempt_schedule+0x4d/0x60
[  341.979111]  ? ___preempt_schedule+0x16/0x18
[  341.983539]  ? bpf_test_run+0x25d/0x780
[  341.987538]  ? netlink_diag_dump+0x2a0/0x2a0
[  341.991966]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.997514]  ? bpf_test_init.isra.10+0x70/0x100
[  342.002203]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  342.006982]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  342.011833]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  342.017381]  ? fput+0x130/0x1a0
[  342.020670]  ? __bpf_prog_get+0x9b/0x290
[  342.024747]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  342.029595]  ? bpf_prog_test_run+0x130/0x1a0
[  342.034034]  ? __x64_sys_bpf+0x3d8/0x520
[  342.038106]  ? bpf_prog_get+0x20/0x20
[  342.041937]  ? do_syscall_64+0x1b9/0x820
[  342.046004]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  342.051398]  ? syscall_return_slowpath+0x5e0/0x5e0
[  342.056335]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.061191]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.066216]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  342.071244]  ? prepare_exit_to_usermode+0x291/0x3b0
[  342.076280]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.081143]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  342.086534] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  342.086539] warn_alloc_show_mem: 1 callbacks suppressed
[  342.086551] Mem-Info:
[  342.093570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  342.098946] active_anon:51179 inactive_anon:236 isolated_anon:0
[  342.098946]  active_file:17 inactive_file:9 isolated_file:0
[  342.098946]  unevictable:0 dirty:0 writeback:0 unstable:0
[  342.098946]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  342.098946]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  342.098946]  free:13694 free_pcp:258 free_cma:0
[  342.101326] Call Trace:
[  342.110725] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  342.143491]  <IRQ>
[  342.146074] 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
[  342.173576]  dump_stack+0x244/0x39d
[  342.175702] lowmem_reserve[]: 0 2818 6321 6321
[  342.201820]  ? dump_stack_print_info.cold.1+0x20/0x20
[  342.205432] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  342.210046]  warn_alloc.cold.116+0xb7/0x1bd
[  342.215207] lowmem_reserve[]: 0 0 3503 3503
[  342.242363]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  342.246665] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  342.250991]  ? lock_downgrade+0x900/0x900
[  342.255819] lowmem_reserve[]: 0 0 0 0
[  342.284802]  ? trace_hardirqs_off+0xb8/0x310
[  342.288925] 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
[  342.292735]  ? trace_hardirqs_off+0xb8/0x310
[  342.297125] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  342.310659]  __alloc_pages_slowpath+0x26e8/0x2e10
[  342.315061] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  342.330264]  ? warn_alloc+0x120/0x120
[  342.335074] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  342.349291]  ? print_usage_bug+0xc0/0xc0
[  342.353085] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  342.361919]  ? warn_alloc+0x120/0x120
[  342.365966] 309 total pagecache pages
[  342.374539]  ? warn_alloc+0x120/0x120
[  342.378334] 0 pages in swap cache
[  342.382134]  ? print_usage_bug+0xc0/0xc0
[  342.385923] Swap cache stats: add 0, delete 0, find 0/0
[  342.389376]  ? kvm_clock_read+0x18/0x30
[  342.393420] Free swap  = 0kB
[  342.398788]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  342.402743] Total swap = 0kB
[  342.405767]  ? print_usage_bug+0xc0/0xc0
[  342.410766] 1965979 pages RAM
[  342.413786]  ? __lock_acquire+0x62f/0x4c20
[  342.417829] 0 pages HighMem/MovableOnly
[  342.420940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.425159] 342853 pages reserved
[  342.429222]  ? should_fail+0x22d/0xd01
[  342.434741] 0 pages cma reserved
[  342.438197]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.450719]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  342.455838]  ? __lock_acquire+0x62f/0x4c20
[  342.460098]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  342.465220]  ? __lock_acquire+0x62f/0x4c20
[  342.469470]  ? should_fail+0x22d/0xd01
[  342.471008] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  342.473373]  ? rcu_irq_exit+0x1a2/0x390
[  342.483850] syz-executor2 cpuset=syz2 mems_allowed=0
[  342.487831]  ? mark_held_locks+0x130/0x130
[  342.497152]  ? mark_held_locks+0x130/0x130
[  342.501403]  ? mark_held_locks+0xc7/0x130
[  342.505565]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  342.510590]  ? zap_class+0x640/0x640
[  342.514319]  ? print_usage_bug+0xc0/0xc0
[  342.518394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.523940]  ? check_preemption_disabled+0x48/0x280
[  342.528978]  ? __lock_is_held+0xb5/0x140
[  342.533081]  __alloc_pages_nodemask+0xa80/0xde0
[  342.537759]  ? zap_class+0x640/0x640
[  342.541485]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  342.546524]  ? find_held_lock+0x36/0x1c0
[  342.550603]  ? ____cache_alloc_node+0x1c7/0x1e0
[  342.555281]  ? lock_downgrade+0x900/0x900
[  342.559451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.565003]  cache_grow_begin+0xa5/0x8c0
[  342.569099]  ? do_raw_spin_unlock+0xa7/0x330
[  342.573525]  fallback_alloc+0x204/0x2e0
[  342.577519]  ____cache_alloc_node+0x1c7/0x1e0
[  342.582053]  kmem_cache_alloc_node+0xe3/0x730
[  342.586557]  ? ipv6_get_ifaddr+0x42e/0x620
[  342.590811]  __alloc_skb+0x119/0x770
[  342.594538]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.599827]  ? netdev_alloc_frag+0x1f0/0x1f0
[  342.604248]  ? lock_downgrade+0x900/0x900
[  342.608418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.614434]  ? refcount_sub_and_test_checked+0x203/0x310
[  342.619986]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  342.625467]  ? addrconf_rs_timer+0x690/0x690
[  342.629896]  ndisc_alloc_skb+0x144/0x340
[  342.633975]  ndisc_send_rs+0x331/0x6e0
[  342.637877]  addrconf_rs_timer+0x314/0x690
[  342.642131]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.646388]  call_timer_fn+0x272/0x920
[  342.650283]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.654525]  ? process_timeout+0x40/0x40
[  342.658604]  ? mark_held_locks+0xc7/0x130
[  342.662763]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.667267]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.671772]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.676037]  ? lockdep_hardirqs_on+0x296/0x5b0
[  342.680641]  ? trace_hardirqs_on+0xbd/0x310
[  342.684974]  ? kasan_check_read+0x11/0x20
[  342.689155]  ? __run_timers+0x7da/0xc70
[  342.693145]  ? trace_hardirqs_off_caller+0x310/0x310
[  342.698266]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.702517]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.706772]  __run_timers+0x7e5/0xc70
[  342.710590]  ? timer_fixup_init+0x70/0x70
[  342.714754]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  342.719828]  ? zap_class+0x640/0x640
[  342.723558]  ? print_usage_bug+0xc0/0xc0
[  342.727635]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  342.732840]  ? find_held_lock+0x36/0x1c0
[  342.736916]  ? zap_class+0x640/0x640
[  342.740645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.746376]  ? check_preemption_disabled+0x48/0x280
[  342.751411]  ? __lock_is_held+0xb5/0x140
[  342.755485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.761060]  ? check_preemption_disabled+0x48/0x280
[  342.766093]  run_timer_softirq+0x52/0xb0
[  342.770165]  ? rcu_read_lock_sched_held+0x14f/0x180
[  342.775194]  __do_softirq+0x308/0xb7e
[  342.779011]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  342.783535]  ? lock_downgrade+0x900/0x900
[  342.787697]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  342.792816]  ? pvclock_read_flags+0x160/0x160
[  342.797322]  ? lapic_next_event+0x5a/0x90
[  342.801483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.807058]  ? kvm_clock_read+0x18/0x30
[  342.811065]  ? kvm_sched_clock_read+0x9/0x20
[  342.815484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.821056]  ? check_preemption_disabled+0x48/0x280
[  342.826103]  irq_exit+0x17f/0x1c0
[  342.829568]  smp_apic_timer_interrupt+0x1cb/0x760
[  342.834422]  ? smp_reschedule_interrupt+0x109/0x650
[  342.839452]  ? smp_call_function_single_interrupt+0x650/0x650
[  342.845344]  ? interrupt_entry+0xb5/0xc0
[  342.849420]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.854445]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.859475]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.864335]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.869361]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.874387]  ? task_prio+0x50/0x50
[  342.877941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.883494]  ? check_preemption_disabled+0x48/0x280
[  342.888527]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.893392]  apic_timer_interrupt+0xf/0x20
[  342.897631]  </IRQ>
[  342.899878] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  342.905099] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  342.924006] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  342.931753] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  342.939049] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  342.946327] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  342.953605] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  342.960877] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  342.968191]  retint_kernel+0x1b/0x2d
[  342.971916] RIP: 0010:dump_stack+0x358/0x39d
[  342.976343] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  342.995253] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  343.002965] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  343.010238] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  343.017513] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  343.024789] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  343.032072] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  343.039376]  ? dump_stack+0x34f/0x39d
[  343.043203]  ? dump_stack_print_info.cold.1+0x20/0x20
[  343.048412]  ? mark_held_locks+0x130/0x130
[  343.052660]  ? mark_held_locks+0x130/0x130
[  343.056911]  dump_header+0x27b/0xf72
[  343.060648]  ? pagefault_out_of_memory+0x197/0x197
[  343.065597]  ? __lock_acquire+0x62f/0x4c20
[  343.069843]  ? percpu_ref_get_many+0x240/0x240
[  343.074441]  ? print_usage_bug+0xc0/0xc0
[  343.078520]  ? zap_class+0x640/0x640
[  343.082251]  ? print_usage_bug+0xc0/0xc0
[  343.086321]  ? print_usage_bug+0xc0/0xc0
[  343.090391]  ? zap_class+0x640/0x640
[  343.094122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.099676]  ? find_held_lock+0x36/0x1c0
[  343.103755]  ? mark_held_locks+0xc7/0x130
[  343.107920]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  343.113052]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  343.118166]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  343.122760]  ? trace_hardirqs_on+0xbd/0x310
[  343.127098]  ? kasan_check_read+0x11/0x20
[  343.131253]  ? ___ratelimit+0x3b4/0x672
[  343.135237]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.140351]  ? trace_hardirqs_on+0x310/0x310
[  343.144770]  ? lock_downgrade+0x900/0x900
[  343.148933]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  343.154065]  ? ___ratelimit+0x3b9/0x672
[  343.158076]  ? idr_get_free+0xf70/0xf70
[  343.162077]  ? find_held_lock+0x36/0x1c0
[  343.166163]  oom_kill_process.cold.27+0x10/0x903
[  343.170934]  ? zap_class+0x640/0x640
[  343.174657]  ? check_preemption_disabled+0x48/0x280
[  343.179689]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  343.184628]  ? kasan_check_read+0x11/0x20
[  343.188790]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.194082]  ? oom_evaluate_task+0x540/0x540
[  343.198514]  ? find_held_lock+0x36/0x1c0
[  343.202593]  ? out_of_memory+0x974/0x1430
[  343.206756]  ? lock_downgrade+0x900/0x900
[  343.210915]  ? check_preemption_disabled+0x48/0x280
[  343.215948]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  343.220885]  ? kasan_check_read+0x11/0x20
[  343.225061]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.230352]  ? rcu_softirq_qs+0x20/0x20
[  343.234340]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.239884]  ? oom_evaluate_task+0x302/0x540
[  343.244308]  out_of_memory+0xa84/0x1430
[  343.248300]  ? oom_killer_disable+0x3a0/0x3a0
[  343.252809]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  343.257750]  ? __ww_mutex_check_waiters+0x160/0x160
[  343.262793]  __alloc_pages_slowpath+0x2354/0x2e10
[  343.267675]  ? warn_alloc+0x120/0x120
[  343.271484]  ? mark_held_locks+0x130/0x130
[  343.275735]  ? find_get_entry+0xaae/0x1120
[  343.279988]  ? filemap_map_pages+0x1a20/0x1a20
[  343.284599]  ? zap_class+0x640/0x640
[  343.288332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.293879]  ? check_preemption_disabled+0x48/0x280
[  343.298903]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.304451]  ? should_fail+0x22d/0xd01
[  343.308356]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  343.313476]  ? zap_class+0x640/0x640
[  343.317224]  ? __lock_is_held+0xb5/0x140
[  343.321309]  ? mark_held_locks+0x130/0x130
[  343.326163]  ? lock_release+0xa00/0xa00
[  343.330149]  ? perf_trace_sched_process_exec+0x860/0x860
[  343.335608]  ? xa_load+0x2ba/0x460
[  343.339156]  ? lock_downgrade+0x900/0x900
[  343.343320]  ? __might_sleep+0x95/0x190
[  343.347318]  __alloc_pages_nodemask+0xa80/0xde0
[  343.352005]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  343.357074]  ? __page_cache_alloc+0x191/0x5c0
[  343.361577]  ? xa_load+0x2e1/0x460
[  343.365127]  ? xa_clear_mark+0x40/0x40
[  343.369047]  ? zap_class+0x640/0x640
[  343.372780]  ? zap_class+0x640/0x640
[  343.376505]  ? zap_class+0x640/0x640
[  343.380232]  ? __do_page_cache_readahead+0x663/0x810
[  343.385349]  ? find_held_lock+0x36/0x1c0
[  343.389423]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  343.394981]  alloc_pages_current+0x173/0x350
[  343.400455]  __page_cache_alloc+0x38c/0x5c0
[  343.404787]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  343.409727]  ? kasan_check_read+0x11/0x20
[  343.413887]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.419175]  ? generic_perform_write+0x6a0/0x6a0
[  343.423941]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.430624]  ? check_preemption_disabled+0x48/0x280
[  343.435660]  filemap_fault+0x1595/0x25f0
[  343.439745]  ? __lock_page_or_retry+0xa00/0xa00
[  343.444424]  ? mark_held_locks+0x130/0x130
[  343.448681]  ? filemap_map_pages+0xd6b/0x1a20
[  343.453187]  ? lock_downgrade+0x900/0x900
[  343.457346]  ? check_preemption_disabled+0x48/0x280
[  343.462377]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  343.467316]  ? kasan_check_read+0x11/0x20
[  343.471471]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.476762]  ? rcu_softirq_qs+0x20/0x20
[  343.480764]  ? filemap_map_pages+0xd92/0x1a20
[  343.485287]  ? find_get_entries_tag+0x1400/0x1400
[  343.490144]  ? ep_scan_ready_list+0xbc7/0x1050
[  343.494739]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.499867]  ? lock_acquire+0x1ed/0x520
[  343.503848]  ? ext4_filemap_fault+0x7a/0xad
[  343.508187]  ? lock_release+0xa00/0xa00
[  343.512215]  ? perf_trace_sched_process_exec+0x860/0x860
[  343.517678]  ? print_usage_bug+0xc0/0xc0
[  343.521752]  ? print_usage_bug+0xc0/0xc0
[  343.525834]  ? down_read+0x8d/0x120
[  343.529468]  ? ext4_filemap_fault+0x7a/0xad
[  343.533802]  ? __down_interruptible+0x700/0x700
[  343.538496]  ext4_filemap_fault+0x82/0xad
[  343.542658]  __do_fault+0x100/0x6b0
[  343.546304]  ? pmd_devmap_trans_unstable+0x220/0x220
[  343.551420]  ? mark_held_locks+0x130/0x130
[  343.555666]  ? mark_held_locks+0x130/0x130
[  343.559916]  ? kasan_check_read+0x11/0x20
[  343.564080]  ? ep_poll+0xffa/0x13d0
[  343.567717]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.572840]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.578391]  __handle_mm_fault+0x3ea0/0x5be0
[  343.582806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.588360]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  343.593217]  ? do_epoll_create+0x590/0x590
[  343.597460]  ? kasan_check_read+0x11/0x20
[  343.601770]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.607070]  ? rcu_softirq_qs+0x20/0x20
[  343.611156]  ? zap_class+0x640/0x640
[  343.614880]  ? zap_class+0x640/0x640
[  343.618608]  ? find_held_lock+0x36/0x1c0
[  343.622687]  ? handle_mm_fault+0x42a/0xc70
[  343.626931]  ? lock_downgrade+0x900/0x900
[  343.631089]  ? check_preemption_disabled+0x48/0x280
[  343.636117]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  343.641077]  ? kasan_check_read+0x11/0x20
[  343.645231]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  343.650517]  ? rcu_softirq_qs+0x20/0x20
[  343.654520]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.659643]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.665195]  ? check_preemption_disabled+0x48/0x280
[  343.670235]  handle_mm_fault+0x54f/0xc70
[  343.674309]  ? __handle_mm_fault+0x5be0/0x5be0
[  343.678906]  ? find_vma+0x34/0x190
[  343.682460]  __do_page_fault+0x5e8/0xe60
[  343.686528]  ? trace_hardirqs_off+0xb8/0x310
[  343.690943]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  343.696497]  do_page_fault+0xf2/0x7e0
[  343.700313]  ? vmalloc_sync_all+0x30/0x30
[  343.704472]  ? error_entry+0x70/0xd0
[  343.708200]  ? trace_hardirqs_off_caller+0xbb/0x310
[  343.713227]  ? trace_hardirqs_on_caller+0xc0/0x310
[  343.718165]  ? syscall_return_slowpath+0x5e0/0x5e0
[  343.723103]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.727955]  ? trace_hardirqs_on_caller+0x310/0x310
[  343.732980]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  343.738442]  ? prepare_exit_to_usermode+0x291/0x3b0
[  343.743465]  ? page_fault+0x8/0x30
[  343.747037]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.751898]  ? page_fault+0x8/0x30
[  343.755448]  page_fault+0x1e/0x30
[  343.758906] RIP: 0033:0x45df89
[  343.762123] Code: Bad RIP value.
[  343.765674] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  343.771059] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  343.778335] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  343.785608] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  343.792884] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  343.800160] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  343.807467] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  343.807532] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  343.814848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  343.814854] Call Trace:
[  343.814880]  dump_stack+0x244/0x39d
[  343.814901]  ? dump_stack_print_info.cold.1+0x20/0x20
[  343.821641] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  343.830844]  warn_alloc.cold.116+0xb7/0x1bd
[  343.833427] syz-fuzzer cpuset=/ mems_allowed=0
[  343.837070]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  343.866199]  ? lock_downgrade+0x900/0x900
[  343.870370]  ? trace_hardirqs_off+0xb8/0x310
[  343.874799]  ? trace_hardirqs_off+0xb8/0x310
[  343.879233]  __alloc_pages_slowpath+0x26e8/0x2e10
[  343.884135]  ? warn_alloc+0x120/0x120
[  343.887953]  ? warn_alloc+0x120/0x120
[  343.891766]  ? dev_hard_start_xmit+0x42c/0xc80
[  343.896361]  ? warn_alloc+0x120/0x120
[  343.900178]  ? print_usage_bug+0xc0/0xc0
[  343.904251]  ? find_held_lock+0x36/0x1c0
[  343.908326]  ? print_usage_bug+0xc0/0xc0
[  343.912403]  ? cpuacct_charge+0x265/0x440
[  343.916570]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.922121]  ? should_fail+0x22d/0xd01
[  343.926016]  ? find_held_lock+0x36/0x1c0
[  343.930113]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  343.935226]  ? __lock_acquire+0x62f/0x4c20
[  343.939478]  ? should_fail+0x22d/0xd01
[  343.943390]  ? mark_held_locks+0x130/0x130
[  343.947640]  ? mark_held_locks+0x130/0x130
[  343.951889]  ? __lock_acquire+0x62f/0x4c20
[  343.956146]  ? zap_class+0x640/0x640
[  343.959870]  ? __lock_is_held+0xb5/0x140
[  343.963951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.969506]  ? check_preemption_disabled+0x48/0x280
[  343.974558]  ? __lock_is_held+0xb5/0x140
[  343.978644]  __alloc_pages_nodemask+0xa80/0xde0
[  343.983377]  ? zap_class+0x640/0x640
[  343.987112]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  343.992152]  ? find_held_lock+0x36/0x1c0
[  343.996236]  ? ____cache_alloc_node+0x1c7/0x1e0
[  344.000917]  ? lock_downgrade+0x900/0x900
[  344.005099]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  344.010656]  cache_grow_begin+0xa5/0x8c0
[  344.014729]  ? do_raw_spin_unlock+0xa7/0x330
[  344.019158]  fallback_alloc+0x204/0x2e0
[  344.023154]  ____cache_alloc_node+0x1c7/0x1e0
[  344.027670]  kmem_cache_alloc+0x1f8/0x730
[  344.031845]  skb_clone+0x1bb/0x500
[  344.035398]  ? finish_task_switch+0x2f4/0x910
[  344.039905]  ? skb_split+0x11e0/0x11e0
[  344.043804]  ? preempt_notifier_register+0x200/0x200
[  344.048917]  ? __switch_to_asm+0x34/0x70
[  344.052990]  ? __switch_to_asm+0x34/0x70
[  344.057078]  ? __switch_to_asm+0x40/0x70
[  344.061150]  ? __switch_to_asm+0x34/0x70
[  344.065219]  ? __switch_to_asm+0x40/0x70
[  344.069290]  ? __switch_to_asm+0x34/0x70
[  344.073358]  ? __switch_to_asm+0x40/0x70
[  344.077429]  ? __switch_to_asm+0x34/0x70
[  344.081499]  ? __switch_to_asm+0x34/0x70
[  344.085570]  ? __switch_to_asm+0x40/0x70
[  344.089638]  ? __switch_to_asm+0x34/0x70
[  344.093720]  bpf_clone_redirect+0xb9/0x490
[  344.097971]  ? __schedule+0x8d7/0x21d0
[  344.101877]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  344.106907]  ? __sched_text_start+0x8/0x8
[  344.111085]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  344.115681]  ? retint_kernel+0x2d/0x2d
[  344.119585]  ? trace_hardirqs_on_caller+0xc0/0x310
[  344.124529]  ? find_held_lock+0x36/0x1c0
[  344.128615]  ? lock_acquire+0x1ed/0x520
[  344.132605]  ? bpf_test_run+0x3cb/0x780
[  344.136682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.142256]  ? check_preemption_disabled+0x48/0x280
[  344.147290]  ? kasan_check_read+0x11/0x20
[  344.151450]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.156739]  ? rcu_softirq_qs+0x20/0x20
[  344.160729]  ? preempt_schedule+0x4d/0x60
[  344.164891]  ? ___preempt_schedule+0x16/0x18
[  344.169327]  ? bpf_test_run+0x25d/0x780
[  344.173328]  ? netlink_diag_dump+0x2a0/0x2a0
[  344.177752]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.183303]  ? bpf_test_init.isra.10+0x70/0x100
[  344.187993]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  344.192789]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  344.197693]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  344.203243]  ? fput+0x130/0x1a0
[  344.206539]  ? __bpf_prog_get+0x9b/0x290
[  344.210624]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  344.215477]  ? bpf_prog_test_run+0x130/0x1a0
[  344.219899]  ? __x64_sys_bpf+0x3d8/0x520
[  344.223972]  ? bpf_prog_get+0x20/0x20
[  344.227808]  ? do_syscall_64+0x1b9/0x820
[  344.231926]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  344.237350]  ? syscall_return_slowpath+0x5e0/0x5e0
[  344.242295]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.247154]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.252184]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  344.257213]  ? prepare_exit_to_usermode+0x291/0x3b0
[  344.262253]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.267117]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  344.272505] warn_alloc_show_mem: 1 callbacks suppressed
[  344.272518] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  344.272520] Mem-Info:
[  344.272564] active_anon:51179 inactive_anon:236 isolated_anon:0
[  344.272564]  active_file:17 inactive_file:9 isolated_file:0
[  344.272564]  unevictable:0 dirty:0 writeback:0 unstable:0
[  344.272564]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  344.272564]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  344.272564]  free:13694 free_pcp:258 free_cma:0
[  344.277897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  344.284926] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  344.287338] Call Trace:
[  344.320128] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  344.329488]  <IRQ>
[  344.356982] lowmem_reserve[]: 0 2818 6321 6321
[  344.359616]  dump_stack+0x244/0x39d
[  344.385710] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  344.387880]  ? dump_stack_print_info.cold.1+0x20/0x20
[  344.392435] lowmem_reserve[]: 0 0 3503 3503
[  344.396091]  warn_alloc.cold.116+0xb7/0x1bd
[  344.423216] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  344.428411]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  344.432705] lowmem_reserve[]: 0 0 0 0
[  344.437039]  ? lock_downgrade+0x900/0x900
[  344.465987] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  344.470834]  ? trace_hardirqs_off+0xb8/0x310
[  344.474601] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  344.478747]  ? trace_hardirqs_off+0xb8/0x310
[  344.492246] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  344.496657]  __alloc_pages_slowpath+0x26e8/0x2e10
[  344.511814] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  344.516245]  ? warn_alloc+0x120/0x120
[  344.530422] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  344.535265]  ? print_usage_bug+0xc0/0xc0
[  344.544073] 309 total pagecache pages
[  344.547876]  ? warn_alloc+0x120/0x120
[  344.556607] 0 pages in swap cache
[  344.560664]  ? warn_alloc+0x120/0x120
[  344.564443] Swap cache stats: add 0, delete 0, find 0/0
[  344.568236]  ? print_usage_bug+0xc0/0xc0
[  344.571662] Free swap  = 0kB
[  344.575454]  ? print_usage_bug+0xc0/0xc0
[  344.580810] Total swap = 0kB
[  344.584868]  ? __lock_acquire+0x62f/0x4c20
[  344.587862] 1965979 pages RAM
[  344.591922]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.594914] 0 pages HighMem/MovableOnly
[  344.599142]  ? should_fail+0x22d/0xd01
[  344.602223] 342853 pages reserved
[  344.607756]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.611965] 0 pages cma reserved
[  344.627742]  ? __lock_acquire+0x62f/0x4c20
[  344.631993]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.637115]  ? __lock_acquire+0x62f/0x4c20
[  344.640784] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  344.641362]  ? should_fail+0x22d/0xd01
[  344.651831] syz-executor2 cpuset=syz2 mems_allowed=0
[  344.655724]  ? mark_held_locks+0x130/0x130
[  344.665035]  ? mark_held_locks+0x130/0x130
[  344.669276]  ? try_to_wake_up+0x11c/0x1490
[  344.673518]  ? lock_downgrade+0x900/0x900
[  344.677669]  ? zap_class+0x640/0x640
[  344.681388]  ? print_usage_bug+0xc0/0xc0
[  344.685455]  ? trace_hardirqs_off+0xb8/0x310
[  344.689865]  ? kasan_check_read+0x11/0x20
[  344.694029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.699573]  ? check_preemption_disabled+0x48/0x280
[  344.704604]  ? __lock_is_held+0xb5/0x140
[  344.708672]  __alloc_pages_nodemask+0xa80/0xde0
[  344.713344]  ? zap_class+0x640/0x640
[  344.717070]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  344.722099]  ? find_held_lock+0x36/0x1c0
[  344.726175]  ? ____cache_alloc_node+0x1c7/0x1e0
[  344.730852]  ? lock_downgrade+0x900/0x900
[  344.735011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.740569]  cache_grow_begin+0xa5/0x8c0
[  344.744763]  ? do_raw_spin_unlock+0xa7/0x330
[  344.749182]  fallback_alloc+0x204/0x2e0
[  344.753164]  ____cache_alloc_node+0x1c7/0x1e0
[  344.757665]  kmem_cache_alloc_node+0xe3/0x730
[  344.762163]  ? ipv6_get_ifaddr+0x42e/0x620
[  344.766416]  __alloc_skb+0x119/0x770
[  344.770130]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.775414]  ? netdev_alloc_frag+0x1f0/0x1f0
[  344.779828]  ? lock_downgrade+0x900/0x900
[  344.783988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.789534]  ? refcount_sub_and_test_checked+0x203/0x310
[  344.794989]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  344.800445]  ? addrconf_rs_timer+0x690/0x690
[  344.804866]  ndisc_alloc_skb+0x144/0x340
[  344.808932]  ndisc_send_rs+0x331/0x6e0
[  344.812827]  addrconf_rs_timer+0x314/0x690
[  344.817072]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.821320]  call_timer_fn+0x272/0x920
[  344.825206]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.829446]  ? process_timeout+0x40/0x40
[  344.833524]  ? mark_held_locks+0xc7/0x130
[  344.837677]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.842172]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.846666]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.850900]  ? lockdep_hardirqs_on+0x296/0x5b0
[  344.855486]  ? trace_hardirqs_on+0xbd/0x310
[  344.859812]  ? kasan_check_read+0x11/0x20
[  344.863960]  ? __run_timers+0x7da/0xc70
[  344.867939]  ? trace_hardirqs_off_caller+0x310/0x310
[  344.873067]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.877304]  __run_timers+0x7e5/0xc70
[  344.881121]  ? timer_fixup_init+0x70/0x70
[  344.885272]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  344.890292]  ? zap_class+0x640/0x640
[  344.894016]  ? print_usage_bug+0xc0/0xc0
[  344.898093]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  344.903290]  ? find_held_lock+0x36/0x1c0
[  344.907360]  ? zap_class+0x640/0x640
[  344.911087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.916627]  ? check_preemption_disabled+0x48/0x280
[  344.921657]  ? __lock_is_held+0xb5/0x140
[  344.925723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.931261]  ? check_preemption_disabled+0x48/0x280
[  344.936285]  run_timer_softirq+0x52/0xb0
[  344.940353]  ? rcu_read_lock_sched_held+0x14f/0x180
[  344.945369]  __do_softirq+0x308/0xb7e
[  344.949175]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  344.953674]  ? lock_downgrade+0x900/0x900
[  344.957831]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  344.962946]  ? pvclock_read_flags+0x160/0x160
[  344.967444]  ? lapic_next_event+0x5a/0x90
[  344.971597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.977145]  ? kvm_clock_read+0x18/0x30
[  344.981121]  ? kvm_sched_clock_read+0x9/0x20
[  344.985536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.991080]  ? check_preemption_disabled+0x48/0x280
[  344.996107]  irq_exit+0x17f/0x1c0
[  344.999573]  smp_apic_timer_interrupt+0x1cb/0x760
[  345.004413]  ? smp_reschedule_interrupt+0x109/0x650
[  345.009436]  ? smp_call_function_single_interrupt+0x650/0x650
[  345.015319]  ? interrupt_entry+0xb5/0xc0
[  345.019385]  ? trace_hardirqs_off_caller+0xbb/0x310
[  345.024403]  ? trace_hardirqs_off_caller+0xbb/0x310
[  345.029427]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.034271]  ? trace_hardirqs_on_caller+0x310/0x310
[  345.039293]  ? trace_hardirqs_on_caller+0x310/0x310
[  345.044314]  ? task_prio+0x50/0x50
[  345.047858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.053403]  ? check_preemption_disabled+0x48/0x280
[  345.058430]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.063282]  apic_timer_interrupt+0xf/0x20
[  345.067511]  </IRQ>
[  345.069755] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  345.074944] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  345.093847] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  345.101561] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  345.108834] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  345.116104] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  345.123370] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  345.130635] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  345.137941]  retint_kernel+0x1b/0x2d
[  345.141659] RIP: 0010:dump_stack+0x358/0x39d
[  345.146073] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  345.164983] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  345.172724] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  345.179999] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  345.187272] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  345.194537] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  345.201807] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  345.209104]  ? dump_stack+0x34f/0x39d
[  345.212919]  ? dump_stack_print_info.cold.1+0x20/0x20
[  345.218115]  ? mark_held_locks+0x130/0x130
[  345.222352]  ? mark_held_locks+0x130/0x130
[  345.226597]  dump_header+0x27b/0xf72
[  345.230324]  ? pagefault_out_of_memory+0x197/0x197
[  345.235264]  ? __lock_acquire+0x62f/0x4c20
[  345.239501]  ? percpu_ref_get_many+0x240/0x240
[  345.244086]  ? print_usage_bug+0xc0/0xc0
[  345.248158]  ? zap_class+0x640/0x640
[  345.251874]  ? print_usage_bug+0xc0/0xc0
[  345.255934]  ? print_usage_bug+0xc0/0xc0
[  345.260002]  ? zap_class+0x640/0x640
[  345.263905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.269446]  ? find_held_lock+0x36/0x1c0
[  345.273521]  ? mark_held_locks+0xc7/0x130
[  345.277677]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  345.282783]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  345.287886]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  345.292480]  ? trace_hardirqs_on+0xbd/0x310
[  345.296805]  ? kasan_check_read+0x11/0x20
[  345.300956]  ? ___ratelimit+0x3b4/0x672
[  345.304936]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.310052]  ? trace_hardirqs_on+0x310/0x310
[  345.314463]  ? lock_downgrade+0x900/0x900
[  345.318619]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  345.323723]  ? ___ratelimit+0x3b9/0x672
[  345.327702]  ? idr_get_free+0xf70/0xf70
[  345.331675]  ? find_held_lock+0x36/0x1c0
[  345.335747]  oom_kill_process.cold.27+0x10/0x903
[  345.340507]  ? zap_class+0x640/0x640
[  345.344226]  ? check_preemption_disabled+0x48/0x280
[  345.349251]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  345.354184]  ? kasan_check_read+0x11/0x20
[  345.358365]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.363647]  ? oom_evaluate_task+0x540/0x540
[  345.368069]  ? find_held_lock+0x36/0x1c0
[  345.372146]  ? out_of_memory+0x974/0x1430
[  345.376302]  ? lock_downgrade+0x900/0x900
[  345.380453]  ? check_preemption_disabled+0x48/0x280
[  345.385474]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  345.390404]  ? kasan_check_read+0x11/0x20
[  345.394557]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.399835]  ? rcu_softirq_qs+0x20/0x20
[  345.403817]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.409353]  ? oom_evaluate_task+0x302/0x540
[  345.413768]  out_of_memory+0xa84/0x1430
[  345.417750]  ? oom_killer_disable+0x3a0/0x3a0
[  345.422252]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  345.427185]  ? __ww_mutex_check_waiters+0x160/0x160
[  345.432216]  __alloc_pages_slowpath+0x2354/0x2e10
[  345.437105]  ? warn_alloc+0x120/0x120
[  345.440914]  ? mark_held_locks+0x130/0x130
[  345.445158]  ? find_get_entry+0xaae/0x1120
[  345.449410]  ? filemap_map_pages+0x1a20/0x1a20
[  345.453998]  ? zap_class+0x640/0x640
[  345.457731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.463276]  ? check_preemption_disabled+0x48/0x280
[  345.468293]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.473835]  ? should_fail+0x22d/0xd01
[  345.477733]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.482843]  ? zap_class+0x640/0x640
[  345.486582]  ? __lock_is_held+0xb5/0x140
[  345.490657]  ? mark_held_locks+0x130/0x130
[  345.494897]  ? lock_release+0xa00/0xa00
[  345.498876]  ? perf_trace_sched_process_exec+0x860/0x860
[  345.504330]  ? xa_load+0x2ba/0x460
[  345.507871]  ? lock_downgrade+0x900/0x900
[  345.512037]  ? __might_sleep+0x95/0x190
[  345.516037]  __alloc_pages_nodemask+0xa80/0xde0
[  345.520728]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  345.525746]  ? __page_cache_alloc+0x191/0x5c0
[  345.530242]  ? xa_load+0x2e1/0x460
[  345.533796]  ? xa_clear_mark+0x40/0x40
[  345.537696]  ? zap_class+0x640/0x640
[  345.541424]  ? zap_class+0x640/0x640
[  345.545139]  ? zap_class+0x640/0x640
[  345.548854]  ? __do_page_cache_readahead+0x663/0x810
[  345.553967]  ? find_held_lock+0x36/0x1c0
[  345.558053]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  345.563602]  alloc_pages_current+0x173/0x350
[  345.568033]  __page_cache_alloc+0x38c/0x5c0
[  345.572369]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  345.577299]  ? kasan_check_read+0x11/0x20
[  345.581448]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.586732]  ? generic_perform_write+0x6a0/0x6a0
[  345.591491]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.597051]  ? check_preemption_disabled+0x48/0x280
[  345.602082]  filemap_fault+0x1595/0x25f0
[  345.606161]  ? __lock_page_or_retry+0xa00/0xa00
[  345.610839]  ? mark_held_locks+0x130/0x130
[  345.615088]  ? filemap_map_pages+0xd6b/0x1a20
[  345.619585]  ? lock_downgrade+0x900/0x900
[  345.623737]  ? check_preemption_disabled+0x48/0x280
[  345.628758]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  345.633689]  ? kasan_check_read+0x11/0x20
[  345.637843]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.643123]  ? rcu_softirq_qs+0x20/0x20
[  345.647113]  ? filemap_map_pages+0xd92/0x1a20
[  345.651638]  ? find_get_entries_tag+0x1400/0x1400
[  345.656487]  ? ep_scan_ready_list+0xbc7/0x1050
[  345.661080]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.666204]  ? lock_acquire+0x1ed/0x520
[  345.670181]  ? ext4_filemap_fault+0x7a/0xad
[  345.674511]  ? lock_release+0xa00/0xa00
[  345.678488]  ? perf_trace_sched_process_exec+0x860/0x860
[  345.683941]  ? print_usage_bug+0xc0/0xc0
[  345.688004]  ? print_usage_bug+0xc0/0xc0
[  345.692101]  ? down_read+0x8d/0x120
[  345.695733]  ? ext4_filemap_fault+0x7a/0xad
[  345.700079]  ? __down_interruptible+0x700/0x700
[  345.704763]  ext4_filemap_fault+0x82/0xad
[  345.708915]  __do_fault+0x100/0x6b0
[  345.712546]  ? pmd_devmap_trans_unstable+0x220/0x220
[  345.717655]  ? mark_held_locks+0x130/0x130
[  345.721892]  ? mark_held_locks+0x130/0x130
[  345.726132]  ? kasan_check_read+0x11/0x20
[  345.730280]  ? ep_poll+0xffa/0x13d0
[  345.733913]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.739059]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.744604]  __handle_mm_fault+0x3ea0/0x5be0
[  345.749033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.754586]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  345.759434]  ? do_epoll_create+0x590/0x590
[  345.763667]  ? kasan_check_read+0x11/0x20
[  345.767818]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.773098]  ? rcu_softirq_qs+0x20/0x20
[  345.777091]  ? zap_class+0x640/0x640
[  345.780805]  ? zap_class+0x640/0x640
[  345.784531]  ? find_held_lock+0x36/0x1c0
[  345.788622]  ? handle_mm_fault+0x42a/0xc70
[  345.792860]  ? lock_downgrade+0x900/0x900
[  345.797012]  ? check_preemption_disabled+0x48/0x280
[  345.802063]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  345.806999]  ? kasan_check_read+0x11/0x20
[  345.811161]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.816437]  ? rcu_softirq_qs+0x20/0x20
[  345.820413]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.825517]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.831066]  ? check_preemption_disabled+0x48/0x280
[  345.836098]  handle_mm_fault+0x54f/0xc70
[  345.840168]  ? __handle_mm_fault+0x5be0/0x5be0
[  345.844761]  ? find_vma+0x34/0x190
[  345.848313]  __do_page_fault+0x5e8/0xe60
[  345.852378]  ? trace_hardirqs_off+0xb8/0x310
[  345.856788]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  345.862341]  do_page_fault+0xf2/0x7e0
[  345.866145]  ? vmalloc_sync_all+0x30/0x30
[  345.870299]  ? error_entry+0x70/0xd0
[  345.874026]  ? trace_hardirqs_off_caller+0xbb/0x310
[  345.879057]  ? trace_hardirqs_on_caller+0xc0/0x310
[  345.884003]  ? syscall_return_slowpath+0x5e0/0x5e0
[  345.888947]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.893792]  ? trace_hardirqs_on_caller+0x310/0x310
[  345.898814]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  345.904274]  ? prepare_exit_to_usermode+0x291/0x3b0
[  345.909291]  ? page_fault+0x8/0x30
[  345.912836]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.917683]  ? page_fault+0x8/0x30
[  345.921230]  page_fault+0x1e/0x30
[  345.924681] RIP: 0033:0x45df89
[  345.927884] Code: Bad RIP value.
[  345.931245] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  345.936605] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  345.943876] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  345.951142] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  345.958410] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  345.965675] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  345.972993] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  345.973072] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  345.980370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  345.980380] Call Trace:
[  345.986966] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  345.996219]  dump_stack+0x244/0x39d
[  345.998773] syz-fuzzer cpuset=/ mems_allowed=0
[  346.009007]  ? dump_stack_print_info.cold.1+0x20/0x20
[  346.022385]  warn_alloc.cold.116+0xb7/0x1bd
[  346.026715]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  346.031571]  ? lock_downgrade+0x900/0x900
[  346.035731]  ? trace_hardirqs_off+0xb8/0x310
[  346.040153]  ? trace_hardirqs_off+0xb8/0x310
[  346.044581]  __alloc_pages_slowpath+0x26e8/0x2e10
[  346.049459]  ? warn_alloc+0x120/0x120
[  346.053270]  ? warn_alloc+0x120/0x120
[  346.057087]  ? dev_hard_start_xmit+0x42c/0xc80
[  346.061677]  ? warn_alloc+0x120/0x120
[  346.065489]  ? print_usage_bug+0xc0/0xc0
[  346.069558]  ? find_held_lock+0x36/0x1c0
[  346.073630]  ? print_usage_bug+0xc0/0xc0
[  346.077698]  ? cpuacct_charge+0x265/0x440
[  346.081854]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.087400]  ? should_fail+0x22d/0xd01
[  346.091290]  ? find_held_lock+0x36/0x1c0
[  346.095358]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.100469]  ? __lock_acquire+0x62f/0x4c20
[  346.104718]  ? should_fail+0x22d/0xd01
[  346.108624]  ? mark_held_locks+0x130/0x130
[  346.112868]  ? mark_held_locks+0x130/0x130
[  346.117110]  ? __lock_acquire+0x62f/0x4c20
[  346.121357]  ? zap_class+0x640/0x640
[  346.125078]  ? __lock_is_held+0xb5/0x140
[  346.129152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.134700]  ? check_preemption_disabled+0x48/0x280
[  346.139762]  ? __lock_is_held+0xb5/0x140
[  346.143839]  __alloc_pages_nodemask+0xa80/0xde0
[  346.148527]  ? zap_class+0x640/0x640
[  346.152254]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  346.157286]  ? find_held_lock+0x36/0x1c0
[  346.161362]  ? ____cache_alloc_node+0x1c7/0x1e0
[  346.166045]  ? lock_downgrade+0x900/0x900
[  346.170207]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  346.175763]  cache_grow_begin+0xa5/0x8c0
[  346.179835]  ? do_raw_spin_unlock+0xa7/0x330
[  346.184261]  fallback_alloc+0x204/0x2e0
[  346.188245]  ____cache_alloc_node+0x1c7/0x1e0
[  346.192753]  kmem_cache_alloc+0x1f8/0x730
[  346.196919]  skb_clone+0x1bb/0x500
[  346.200462]  ? finish_task_switch+0x2f4/0x910
[  346.204966]  ? skb_split+0x11e0/0x11e0
[  346.208861]  ? preempt_notifier_register+0x200/0x200
[  346.213964]  ? __switch_to_asm+0x34/0x70
[  346.218033]  ? __switch_to_asm+0x34/0x70
[  346.222097]  ? __switch_to_asm+0x40/0x70
[  346.226160]  ? __switch_to_asm+0x34/0x70
[  346.230223]  ? __switch_to_asm+0x40/0x70
[  346.234287]  ? __switch_to_asm+0x34/0x70
[  346.238347]  ? __switch_to_asm+0x40/0x70
[  346.242409]  ? __switch_to_asm+0x34/0x70
[  346.246484]  ? __switch_to_asm+0x34/0x70
[  346.250551]  ? __switch_to_asm+0x40/0x70
[  346.254613]  ? __switch_to_asm+0x34/0x70
[  346.258698]  bpf_clone_redirect+0xb9/0x490
[  346.262932]  ? __schedule+0x8d7/0x21d0
[  346.266826]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  346.271847]  ? __sched_text_start+0x8/0x8
[  346.276009]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  346.280602]  ? retint_kernel+0x2d/0x2d
[  346.284496]  ? trace_hardirqs_on_caller+0xc0/0x310
[  346.289431]  ? find_held_lock+0x36/0x1c0
[  346.293501]  ? lock_acquire+0x1ed/0x520
[  346.297479]  ? bpf_test_run+0x3cb/0x780
[  346.301457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.306997]  ? check_preemption_disabled+0x48/0x280
[  346.312048]  ? kasan_check_read+0x11/0x20
[  346.316204]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  346.321482]  ? rcu_softirq_qs+0x20/0x20
[  346.325465]  ? preempt_schedule+0x4d/0x60
[  346.329629]  ? ___preempt_schedule+0x16/0x18
[  346.334056]  ? bpf_test_run+0x25d/0x780
[  346.338053]  ? netlink_diag_dump+0x2a0/0x2a0
[  346.342482]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.348026]  ? bpf_test_init.isra.10+0x70/0x100
[  346.352720]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  346.357488]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  346.362335]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  346.367875]  ? fput+0x130/0x1a0
[  346.371162]  ? __bpf_prog_get+0x9b/0x290
[  346.375232]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  346.380078]  ? bpf_prog_test_run+0x130/0x1a0
[  346.384494]  ? __x64_sys_bpf+0x3d8/0x520
[  346.388560]  ? bpf_prog_get+0x20/0x20
[  346.392384]  ? do_syscall_64+0x1b9/0x820
[  346.396475]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  346.401858]  ? syscall_return_slowpath+0x5e0/0x5e0
[  346.406825]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.411672]  ? trace_hardirqs_on_caller+0x310/0x310
[  346.416692]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  346.421710]  ? prepare_exit_to_usermode+0x291/0x3b0
[  346.426731]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.431597]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  346.436978] warn_alloc_show_mem: 1 callbacks suppressed
[  346.436991] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  346.436993] Mem-Info:
[  346.437039] active_anon:51179 inactive_anon:236 isolated_anon:0
[  346.437039]  active_file:17 inactive_file:9 isolated_file:0
[  346.437039]  unevictable:0 dirty:0 writeback:0 unstable:0
[  346.437039]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  346.437039]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  346.437039]  free:13694 free_pcp:258 free_cma:0
[  346.442375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  346.449400] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  346.451796] Call Trace:
[  346.484573] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  346.493918]  <IRQ>
[  346.521398] lowmem_reserve[]: 0 2818 6321 6321
[  346.523976]  dump_stack+0x244/0x39d
[  346.550059] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  346.552205]  ? dump_stack_print_info.cold.1+0x20/0x20
[  346.556760] lowmem_reserve[]: 0 0 3503 3503
[  346.560417]  warn_alloc.cold.116+0xb7/0x1bd
[  346.587538] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  346.592726]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  346.597029] lowmem_reserve[]: 0 0 0 0
[  346.601356]  ? lock_downgrade+0x900/0x900
[  346.630426] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  346.635269]  ? trace_hardirqs_off+0xb8/0x310
[  346.639042] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  346.643197]  ? trace_hardirqs_off+0xb8/0x310
[  346.656693] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  346.661131]  __alloc_pages_slowpath+0x26e8/0x2e10
[  346.676280] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  346.680696]  ? warn_alloc+0x120/0x120
[  346.694877] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  346.699709]  ? print_usage_bug+0xc0/0xc0
[  346.708520] 309 total pagecache pages
[  346.712314]  ? warn_alloc+0x120/0x120
[  346.720870] 0 pages in swap cache
[  346.724917]  ? warn_alloc+0x120/0x120
[  346.728694] Swap cache stats: add 0, delete 0, find 0/0
[  346.732486]  ? print_usage_bug+0xc0/0xc0
[  346.735913] Free swap  = 0kB
[  346.739706]  ? kvm_clock_read+0x18/0x30
[  346.745546] Total swap = 0kB
[  346.745556] 1965979 pages RAM
[  346.749617]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  346.752609] 0 pages HighMem/MovableOnly
[  346.756574]  ? print_usage_bug+0xc0/0xc0
[  346.759568] 342853 pages reserved
[  346.762665]  ? __lock_acquire+0x62f/0x4c20
[  346.767657] 0 pages cma reserved
[  346.771624]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.792210]  ? should_fail+0x22d/0xd01
[  346.796104]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  346.801402]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.805149] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  346.806515]  ? __lock_acquire+0x62f/0x4c20
[  346.816980] syz-executor2 cpuset=syz2 mems_allowed=0
[  346.821211]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.831398]  ? __lock_acquire+0x62f/0x4c20
[  346.835648]  ? should_fail+0x22d/0xd01
[  346.839533]  ? rcu_irq_exit+0x1a2/0x390
[  346.843516]  ? mark_held_locks+0x130/0x130
[  346.847788]  ? mark_held_locks+0x130/0x130
[  346.852064]  ? mark_held_locks+0xc7/0x130
[  346.856213]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  346.861229]  ? zap_class+0x640/0x640
[  346.864943]  ? print_usage_bug+0xc0/0xc0
[  346.869006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.874569]  ? check_preemption_disabled+0x48/0x280
[  346.879593]  ? __lock_is_held+0xb5/0x140
[  346.883661]  __alloc_pages_nodemask+0xa80/0xde0
[  346.888333]  ? zap_class+0x640/0x640
[  346.892059]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  346.897089]  ? find_held_lock+0x36/0x1c0
[  346.901165]  ? ____cache_alloc_node+0x1c7/0x1e0
[  346.905838]  ? lock_downgrade+0x900/0x900
[  346.910004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.915578]  cache_grow_begin+0xa5/0x8c0
[  346.919641]  ? do_raw_spin_unlock+0xa7/0x330
[  346.924065]  fallback_alloc+0x204/0x2e0
[  346.928055]  ____cache_alloc_node+0x1c7/0x1e0
[  346.932557]  kmem_cache_alloc_node+0xe3/0x730
[  346.937060]  ? ipv6_get_ifaddr+0x42e/0x620
[  346.941323]  __alloc_skb+0x119/0x770
[  346.945070]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  346.950357]  ? netdev_alloc_frag+0x1f0/0x1f0
[  346.954768]  ? lock_downgrade+0x900/0x900
[  346.958925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.964460]  ? refcount_sub_and_test_checked+0x203/0x310
[  346.969919]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  346.975371]  ? addrconf_rs_timer+0x690/0x690
[  346.979791]  ndisc_alloc_skb+0x144/0x340
[  346.983875]  ndisc_send_rs+0x331/0x6e0
[  346.987769]  addrconf_rs_timer+0x314/0x690
[  346.992046]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.996312]  call_timer_fn+0x272/0x920
[  347.000203]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.004438]  ? process_timeout+0x40/0x40
[  347.008511]  ? mark_held_locks+0xc7/0x130
[  347.012662]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.017153]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.021647]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.025881]  ? lockdep_hardirqs_on+0x296/0x5b0
[  347.030464]  ? trace_hardirqs_on+0xbd/0x310
[  347.034789]  ? kasan_check_read+0x11/0x20
[  347.038956]  ? __run_timers+0x7da/0xc70
[  347.042950]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.048081]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.052322]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.056584]  __run_timers+0x7e5/0xc70
[  347.060411]  ? timer_fixup_init+0x70/0x70
[  347.064560]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  347.069603]  ? zap_class+0x640/0x640
[  347.073321]  ? print_usage_bug+0xc0/0xc0
[  347.077385]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  347.082583]  ? find_held_lock+0x36/0x1c0
[  347.086650]  ? zap_class+0x640/0x640
[  347.090372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.095910]  ? check_preemption_disabled+0x48/0x280
[  347.100933]  ? __lock_is_held+0xb5/0x140
[  347.105007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.110552]  ? check_preemption_disabled+0x48/0x280
[  347.115571]  run_timer_softirq+0x52/0xb0
[  347.119631]  ? rcu_read_lock_sched_held+0x14f/0x180
[  347.124650]  __do_softirq+0x308/0xb7e
[  347.128449]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  347.132938]  ? lock_downgrade+0x900/0x900
[  347.137090]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  347.144217]  ? pvclock_read_flags+0x160/0x160
[  347.148720]  ? lapic_next_event+0x5a/0x90
[  347.152868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.158409]  ? kvm_clock_read+0x18/0x30
[  347.162384]  ? kvm_sched_clock_read+0x9/0x20
[  347.166796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.172332]  ? check_preemption_disabled+0x48/0x280
[  347.177373]  irq_exit+0x17f/0x1c0
[  347.180843]  smp_apic_timer_interrupt+0x1cb/0x760
[  347.185683]  ? smp_reschedule_interrupt+0x109/0x650
[  347.190703]  ? smp_call_function_single_interrupt+0x650/0x650
[  347.196599]  ? interrupt_entry+0xb5/0xc0
[  347.200694]  ? trace_hardirqs_off_caller+0xbb/0x310
[  347.205713]  ? trace_hardirqs_off_caller+0xbb/0x310
[  347.210734]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.215577]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.220595]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.225613]  ? task_prio+0x50/0x50
[  347.229151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.234687]  ? check_preemption_disabled+0x48/0x280
[  347.239722]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.244591]  apic_timer_interrupt+0xf/0x20
[  347.248835]  </IRQ>
[  347.251077] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  347.256269] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  347.275164] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  347.282871] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  347.290147] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  347.297415] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  347.304680] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  347.311948] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  347.319248]  retint_kernel+0x1b/0x2d
[  347.322965] RIP: 0010:dump_stack+0x358/0x39d
[  347.327369] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  347.346263] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  347.353967] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  347.361232] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  347.368514] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  347.375779] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  347.383055] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  347.390339]  ? dump_stack+0x34f/0x39d
[  347.394157]  ? dump_stack_print_info.cold.1+0x20/0x20
[  347.399351]  ? mark_held_locks+0x130/0x130
[  347.403583]  ? mark_held_locks+0x130/0x130
[  347.407825]  dump_header+0x27b/0xf72
[  347.411583]  ? pagefault_out_of_memory+0x197/0x197
[  347.416525]  ? __lock_acquire+0x62f/0x4c20
[  347.420766]  ? percpu_ref_get_many+0x240/0x240
[  347.425383]  ? print_usage_bug+0xc0/0xc0
[  347.429455]  ? zap_class+0x640/0x640
[  347.433183]  ? print_usage_bug+0xc0/0xc0
[  347.437243]  ? print_usage_bug+0xc0/0xc0
[  347.441318]  ? zap_class+0x640/0x640
[  347.445066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.450607]  ? find_held_lock+0x36/0x1c0
[  347.454675]  ? mark_held_locks+0xc7/0x130
[  347.458823]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  347.463929]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  347.469048]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  347.473631]  ? trace_hardirqs_on+0xbd/0x310
[  347.477955]  ? kasan_check_read+0x11/0x20
[  347.482103]  ? ___ratelimit+0x3b4/0x672
[  347.486078]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.491189]  ? trace_hardirqs_on+0x310/0x310
[  347.495604]  ? lock_downgrade+0x900/0x900
[  347.499756]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  347.504875]  ? ___ratelimit+0x3b9/0x672
[  347.508853]  ? idr_get_free+0xf70/0xf70
[  347.512838]  ? find_held_lock+0x36/0x1c0
[  347.516911]  oom_kill_process.cold.27+0x10/0x903
[  347.521672]  ? zap_class+0x640/0x640
[  347.525390]  ? check_preemption_disabled+0x48/0x280
[  347.530408]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  347.535340]  ? kasan_check_read+0x11/0x20
[  347.539488]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.544766]  ? oom_evaluate_task+0x540/0x540
[  347.549181]  ? find_held_lock+0x36/0x1c0
[  347.553248]  ? out_of_memory+0x974/0x1430
[  347.557416]  ? lock_downgrade+0x900/0x900
[  347.561567]  ? check_preemption_disabled+0x48/0x280
[  347.566585]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  347.571509]  ? kasan_check_read+0x11/0x20
[  347.575683]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.580973]  ? rcu_softirq_qs+0x20/0x20
[  347.584953]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.590487]  ? oom_evaluate_task+0x302/0x540
[  347.594902]  out_of_memory+0xa84/0x1430
[  347.598884]  ? oom_killer_disable+0x3a0/0x3a0
[  347.603380]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  347.608330]  ? __ww_mutex_check_waiters+0x160/0x160
[  347.613376]  __alloc_pages_slowpath+0x2354/0x2e10
[  347.618250]  ? warn_alloc+0x120/0x120
[  347.622075]  ? mark_held_locks+0x130/0x130
[  347.626320]  ? find_get_entry+0xaae/0x1120
[  347.630564]  ? filemap_map_pages+0x1a20/0x1a20
[  347.635154]  ? zap_class+0x640/0x640
[  347.638875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.644412]  ? check_preemption_disabled+0x48/0x280
[  347.649432]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.654969]  ? should_fail+0x22d/0xd01
[  347.658858]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  347.663960]  ? zap_class+0x640/0x640
[  347.667701]  ? __lock_is_held+0xb5/0x140
[  347.671772]  ? mark_held_locks+0x130/0x130
[  347.676014]  ? lock_release+0xa00/0xa00
[  347.680000]  ? perf_trace_sched_process_exec+0x860/0x860
[  347.685456]  ? xa_load+0x2ba/0x460
[  347.689000]  ? lock_downgrade+0x900/0x900
[  347.693166]  ? __might_sleep+0x95/0x190
[  347.697143]  __alloc_pages_nodemask+0xa80/0xde0
[  347.701818]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  347.706834]  ? __page_cache_alloc+0x191/0x5c0
[  347.711330]  ? xa_load+0x2e1/0x460
[  347.714890]  ? xa_clear_mark+0x40/0x40
[  347.718779]  ? zap_class+0x640/0x640
[  347.722520]  ? zap_class+0x640/0x640
[  347.726233]  ? zap_class+0x640/0x640
[  347.729952]  ? __do_page_cache_readahead+0x663/0x810
[  347.735079]  ? find_held_lock+0x36/0x1c0
[  347.739147]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  347.744696]  alloc_pages_current+0x173/0x350
[  347.749128]  __page_cache_alloc+0x38c/0x5c0
[  347.753472]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  347.758398]  ? kasan_check_read+0x11/0x20
[  347.762544]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.767866]  ? generic_perform_write+0x6a0/0x6a0
[  347.772625]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.778164]  ? check_preemption_disabled+0x48/0x280
[  347.783186]  filemap_fault+0x1595/0x25f0
[  347.787257]  ? __lock_page_or_retry+0xa00/0xa00
[  347.791936]  ? mark_held_locks+0x130/0x130
[  347.796180]  ? filemap_map_pages+0xd6b/0x1a20
[  347.800674]  ? lock_downgrade+0x900/0x900
[  347.804824]  ? check_preemption_disabled+0x48/0x280
[  347.809843]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  347.814770]  ? kasan_check_read+0x11/0x20
[  347.818921]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.824197]  ? rcu_softirq_qs+0x20/0x20
[  347.828187]  ? filemap_map_pages+0xd92/0x1a20
[  347.832700]  ? find_get_entries_tag+0x1400/0x1400
[  347.837549]  ? ep_scan_ready_list+0xbc7/0x1050
[  347.842151]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.847285]  ? lock_acquire+0x1ed/0x520
[  347.851265]  ? ext4_filemap_fault+0x7a/0xad
[  347.855592]  ? lock_release+0xa00/0xa00
[  347.859564]  ? perf_trace_sched_process_exec+0x860/0x860
[  347.865025]  ? print_usage_bug+0xc0/0xc0
[  347.869114]  ? print_usage_bug+0xc0/0xc0
[  347.873185]  ? down_read+0x8d/0x120
[  347.876808]  ? ext4_filemap_fault+0x7a/0xad
[  347.881144]  ? __down_interruptible+0x700/0x700
[  347.885821]  ext4_filemap_fault+0x82/0xad
[  347.889971]  __do_fault+0x100/0x6b0
[  347.893603]  ? pmd_devmap_trans_unstable+0x220/0x220
[  347.898729]  ? mark_held_locks+0x130/0x130
[  347.902995]  ? mark_held_locks+0x130/0x130
[  347.907237]  ? kasan_check_read+0x11/0x20
[  347.911385]  ? ep_poll+0xffa/0x13d0
[  347.915024]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.920140]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.925681]  __handle_mm_fault+0x3ea0/0x5be0
[  347.930091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.935636]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  347.940525]  ? do_epoll_create+0x590/0x590
[  347.944771]  ? kasan_check_read+0x11/0x20
[  347.948915]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.954233]  ? rcu_softirq_qs+0x20/0x20
[  347.958220]  ? zap_class+0x640/0x640
[  347.961930]  ? zap_class+0x640/0x640
[  347.965651]  ? find_held_lock+0x36/0x1c0
[  347.969721]  ? handle_mm_fault+0x42a/0xc70
[  347.973955]  ? lock_downgrade+0x900/0x900
[  347.978118]  ? check_preemption_disabled+0x48/0x280
[  347.983139]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  347.988076]  ? kasan_check_read+0x11/0x20
[  347.992224]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.997498]  ? rcu_softirq_qs+0x20/0x20
[  348.001475]  ? trace_hardirqs_off_caller+0x310/0x310
[  348.006581]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.012137]  ? check_preemption_disabled+0x48/0x280
[  348.017160]  handle_mm_fault+0x54f/0xc70
[  348.021224]  ? __handle_mm_fault+0x5be0/0x5be0
[  348.025815]  ? find_vma+0x34/0x190
[  348.029363]  __do_page_fault+0x5e8/0xe60
[  348.033422]  ? trace_hardirqs_off+0xb8/0x310
[  348.037828]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  348.043375]  do_page_fault+0xf2/0x7e0
[  348.047191]  ? vmalloc_sync_all+0x30/0x30
[  348.051356]  ? error_entry+0x70/0xd0
[  348.055075]  ? trace_hardirqs_off_caller+0xbb/0x310
[  348.060089]  ? trace_hardirqs_on_caller+0xc0/0x310
[  348.065047]  ? syscall_return_slowpath+0x5e0/0x5e0
[  348.069994]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.074867]  ? trace_hardirqs_on_caller+0x310/0x310
[  348.079882]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  348.085337]  ? prepare_exit_to_usermode+0x291/0x3b0
[  348.090355]  ? page_fault+0x8/0x30
[  348.093900]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.098743]  ? page_fault+0x8/0x30
[  348.102315]  page_fault+0x1e/0x30
[  348.105764] RIP: 0033:0x45df89
[  348.108986] Code: Bad RIP value.
[  348.112355] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  348.117716] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  348.124986] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  348.132259] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  348.139526] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  348.146805] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  348.154101] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  348.154185] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  348.161465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  348.161474] Call Trace:
[  348.168156] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  348.177306]  dump_stack+0x244/0x39d
[  348.179868] syz-fuzzer cpuset=/ mems_allowed=0
[  348.190087]  ? dump_stack_print_info.cold.1+0x20/0x20
[  348.203465]  warn_alloc.cold.116+0xb7/0x1bd
[  348.207820]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  348.212669]  ? lock_downgrade+0x900/0x900
[  348.216827]  ? trace_hardirqs_off+0xb8/0x310
[  348.221250]  ? trace_hardirqs_off+0xb8/0x310
[  348.225687]  __alloc_pages_slowpath+0x26e8/0x2e10
[  348.230570]  ? warn_alloc+0x120/0x120
[  348.234381]  ? warn_alloc+0x120/0x120
[  348.238199]  ? dev_hard_start_xmit+0x42c/0xc80
[  348.242783]  ? warn_alloc+0x120/0x120
[  348.246586]  ? print_usage_bug+0xc0/0xc0
[  348.250646]  ? find_held_lock+0x36/0x1c0
[  348.254709]  ? print_usage_bug+0xc0/0xc0
[  348.258779]  ? cpuacct_charge+0x265/0x440
[  348.262931]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.268497]  ? should_fail+0x22d/0xd01
[  348.272386]  ? find_held_lock+0x36/0x1c0
[  348.276457]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.281570]  ? __lock_acquire+0x62f/0x4c20
[  348.285810]  ? should_fail+0x22d/0xd01
[  348.289717]  ? mark_held_locks+0x130/0x130
[  348.293957]  ? mark_held_locks+0x130/0x130
[  348.298196]  ? __lock_acquire+0x62f/0x4c20
[  348.302438]  ? zap_class+0x640/0x640
[  348.306157]  ? __lock_is_held+0xb5/0x140
[  348.310229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.315786]  ? check_preemption_disabled+0x48/0x280
[  348.320816]  ? __lock_is_held+0xb5/0x140
[  348.324890]  __alloc_pages_nodemask+0xa80/0xde0
[  348.329565]  ? zap_class+0x640/0x640
[  348.333286]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  348.338316]  ? find_held_lock+0x36/0x1c0
[  348.342389]  ? ____cache_alloc_node+0x1c7/0x1e0
[  348.347060]  ? lock_downgrade+0x900/0x900
[  348.351217]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  348.356761]  cache_grow_begin+0xa5/0x8c0
[  348.360823]  ? do_raw_spin_unlock+0xa7/0x330
[  348.365241]  fallback_alloc+0x204/0x2e0
[  348.369227]  ____cache_alloc_node+0x1c7/0x1e0
[  348.373730]  kmem_cache_alloc+0x1f8/0x730
[  348.377923]  skb_clone+0x1bb/0x500
[  348.381469]  ? finish_task_switch+0x2f4/0x910
[  348.385968]  ? skb_split+0x11e0/0x11e0
[  348.389860]  ? preempt_notifier_register+0x200/0x200
[  348.394978]  ? __switch_to_asm+0x34/0x70
[  348.399043]  ? __switch_to_asm+0x34/0x70
[  348.403106]  ? __switch_to_asm+0x40/0x70
[  348.407169]  ? __switch_to_asm+0x34/0x70
[  348.411280]  ? __switch_to_asm+0x40/0x70
[  348.415343]  ? __switch_to_asm+0x34/0x70
[  348.419403]  ? __switch_to_asm+0x40/0x70
[  348.423467]  ? __switch_to_asm+0x34/0x70
[  348.427536]  ? __switch_to_asm+0x34/0x70
[  348.431602]  ? __switch_to_asm+0x40/0x70
[  348.435665]  ? __switch_to_asm+0x34/0x70
[  348.439746]  bpf_clone_redirect+0xb9/0x490
[  348.444000]  ? __schedule+0x8d7/0x21d0
[  348.447903]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  348.452920]  ? __sched_text_start+0x8/0x8
[  348.457090]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  348.461704]  ? retint_kernel+0x2d/0x2d
[  348.465592]  ? trace_hardirqs_on_caller+0xc0/0x310
[  348.470529]  ? find_held_lock+0x36/0x1c0
[  348.474607]  ? lock_acquire+0x1ed/0x520
[  348.478586]  ? bpf_test_run+0x3cb/0x780
[  348.482566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.488109]  ? check_preemption_disabled+0x48/0x280
[  348.493147]  ? kasan_check_read+0x11/0x20
[  348.497302]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  348.502578]  ? rcu_softirq_qs+0x20/0x20
[  348.506564]  ? preempt_schedule+0x4d/0x60
[  348.510716]  ? ___preempt_schedule+0x16/0x18
[  348.515140]  ? bpf_test_run+0x25d/0x780
[  348.519131]  ? netlink_diag_dump+0x2a0/0x2a0
[  348.523568]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.529112]  ? bpf_test_init.isra.10+0x70/0x100
[  348.533790]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  348.538564]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  348.543409]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  348.548952]  ? fput+0x130/0x1a0
[  348.552238]  ? __bpf_prog_get+0x9b/0x290
[  348.556306]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  348.561150]  ? bpf_prog_test_run+0x130/0x1a0
[  348.565571]  ? __x64_sys_bpf+0x3d8/0x520
[  348.569637]  ? bpf_prog_get+0x20/0x20
[  348.573464]  ? do_syscall_64+0x1b9/0x820
[  348.577527]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  348.582901]  ? syscall_return_slowpath+0x5e0/0x5e0
[  348.587832]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.592678]  ? trace_hardirqs_on_caller+0x310/0x310
[  348.597713]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  348.602737]  ? prepare_exit_to_usermode+0x291/0x3b0
[  348.607762]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.612767]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  348.618172] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  348.618178] warn_alloc_show_mem: 1 callbacks suppressed
[  348.618187] Mem-Info:
[  348.625199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  348.630575] active_anon:51179 inactive_anon:236 isolated_anon:0
[  348.630575]  active_file:17 inactive_file:9 isolated_file:0
[  348.630575]  unevictable:0 dirty:0 writeback:0 unstable:0
[  348.630575]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  348.630575]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  348.630575]  free:13694 free_pcp:258 free_cma:0
[  348.632941] Call Trace:
[  348.642330] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  348.675080]  <IRQ>
[  348.677651] 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
[  348.705149]  dump_stack+0x244/0x39d
[  348.707279] lowmem_reserve[]: 0 2818 6321 6321
[  348.733410]  ? dump_stack_print_info.cold.1+0x20/0x20
[  348.737011] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  348.741603]  warn_alloc.cold.116+0xb7/0x1bd
[  348.747265] lowmem_reserve[]: 0 0 3503 3503
[  348.774427]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  348.778725] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  348.783056]  ? lock_downgrade+0x900/0x900
[  348.787867] lowmem_reserve[]: 0 0 0 0
[  348.816839]  ? trace_hardirqs_off+0xb8/0x310
[  348.820961] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  348.824760]  ? trace_hardirqs_off+0xb8/0x310
[  348.829142] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  348.842666]  __alloc_pages_slowpath+0x26e8/0x2e10
[  348.847044] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  348.862259]  ? warn_alloc+0x120/0x120
[  348.867102] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  348.881302]  ? print_usage_bug+0xc0/0xc0
[  348.885083] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  348.893900]  ? warn_alloc+0x120/0x120
[  348.897935] 309 total pagecache pages
[  348.906519]  ? warn_alloc+0x120/0x120
[  348.910299] 0 pages in swap cache
[  348.914088]  ? print_usage_bug+0xc0/0xc0
[  348.917866] Swap cache stats: add 0, delete 0, find 0/0
[  348.921305]  ? kvm_clock_read+0x18/0x30
[  348.925337] Free swap  = 0kB
[  348.930691]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  348.934635] Total swap = 0kB
[  348.937658]  ? print_usage_bug+0xc0/0xc0
[  348.942653] 1965979 pages RAM
[  348.945710]  ? __lock_acquire+0x62f/0x4c20
[  348.949749] 0 pages HighMem/MovableOnly
[  348.952853]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.957066] 342853 pages reserved
[  348.961046]  ? should_fail+0x22d/0xd01
[  348.966556] 0 pages cma reserved
[  348.970027]  ? __lock_acquire+0x62f/0x4c20
[  348.974229] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  348.977269]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.981477] syz-executor2 cpuset=syz2 mems_allowed=0
[  348.991954]  ? __lock_acquire+0x62f/0x4c20
[  349.006355]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.011460]  ? __lock_acquire+0x62f/0x4c20
[  349.015713]  ? should_fail+0x22d/0xd01
[  349.019644]  ? mark_held_locks+0x130/0x130
[  349.023902]  ? mark_held_locks+0x130/0x130
[  349.028141]  ? zap_class+0x640/0x640
[  349.031856]  ? print_usage_bug+0xc0/0xc0
[  349.035925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.041467]  ? check_preemption_disabled+0x48/0x280
[  349.046491]  ? __lock_is_held+0xb5/0x140
[  349.050558]  __alloc_pages_nodemask+0xa80/0xde0
[  349.055226]  ? zap_class+0x640/0x640
[  349.058945]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  349.063974]  ? find_held_lock+0x36/0x1c0
[  349.068057]  ? ____cache_alloc_node+0x1c7/0x1e0
[  349.072731]  ? lock_downgrade+0x900/0x900
[  349.076884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.082442]  cache_grow_begin+0xa5/0x8c0
[  349.086503]  ? do_raw_spin_unlock+0xa7/0x330
[  349.090914]  fallback_alloc+0x204/0x2e0
[  349.094895]  ____cache_alloc_node+0x1c7/0x1e0
[  349.099393]  kmem_cache_alloc_node+0xe3/0x730
[  349.103888]  ? ipv6_get_ifaddr+0x42e/0x620
[  349.108150]  __alloc_skb+0x119/0x770
[  349.111861]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.117144]  ? netdev_alloc_frag+0x1f0/0x1f0
[  349.121557]  ? lock_downgrade+0x900/0x900
[  349.125711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.131266]  ? refcount_sub_and_test_checked+0x203/0x310
[  349.136746]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  349.142200]  ? addrconf_rs_timer+0x690/0x690
[  349.146628]  ndisc_alloc_skb+0x144/0x340
[  349.150716]  ndisc_send_rs+0x331/0x6e0
[  349.154618]  addrconf_rs_timer+0x314/0x690
[  349.158861]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.163124]  call_timer_fn+0x272/0x920
[  349.167010]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.171273]  ? process_timeout+0x40/0x40
[  349.175344]  ? mark_held_locks+0xc7/0x130
[  349.179507]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.184012]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.188535]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.192769]  ? lockdep_hardirqs_on+0x296/0x5b0
[  349.197350]  ? trace_hardirqs_on+0xbd/0x310
[  349.201670]  ? kasan_check_read+0x11/0x20
[  349.205809]  ? __run_timers+0x7da/0xc70
[  349.209795]  ? trace_hardirqs_off_caller+0x310/0x310
[  349.214911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.219145]  __run_timers+0x7e5/0xc70
[  349.222974]  ? timer_fixup_init+0x70/0x70
[  349.227125]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  349.232156]  ? zap_class+0x640/0x640
[  349.235873]  ? print_usage_bug+0xc0/0xc0
[  349.239935]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  349.245135]  ? find_held_lock+0x36/0x1c0
[  349.249218]  ? zap_class+0x640/0x640
[  349.252940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.258475]  ? check_preemption_disabled+0x48/0x280
[  349.263502]  ? __lock_is_held+0xb5/0x140
[  349.267562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.273099]  ? check_preemption_disabled+0x48/0x280
[  349.278118]  run_timer_softirq+0x52/0xb0
[  349.282179]  ? rcu_read_lock_sched_held+0x14f/0x180
[  349.287198]  __do_softirq+0x308/0xb7e
[  349.291006]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  349.295539]  ? lock_downgrade+0x900/0x900
[  349.299691]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  349.304817]  ? pvclock_read_flags+0x160/0x160
[  349.309321]  ? lapic_next_event+0x5a/0x90
[  349.313470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.319012]  ? kvm_clock_read+0x18/0x30
[  349.322995]  ? kvm_sched_clock_read+0x9/0x20
[  349.327413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.332954]  ? check_preemption_disabled+0x48/0x280
[  349.337981]  irq_exit+0x17f/0x1c0
[  349.341468]  smp_apic_timer_interrupt+0x1cb/0x760
[  349.346326]  ? smp_reschedule_interrupt+0x109/0x650
[  349.351344]  ? smp_call_function_single_interrupt+0x650/0x650
[  349.357222]  ? interrupt_entry+0xb5/0xc0
[  349.361283]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.366300]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.371318]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.376181]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.381198]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.386212]  ? task_prio+0x50/0x50
[  349.389757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.395298]  ? check_preemption_disabled+0x48/0x280
[  349.400322]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.405176]  apic_timer_interrupt+0xf/0x20
[  349.409420]  </IRQ>
[  349.411678] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  349.416905] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  349.435819] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  349.443526] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  349.450795] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  349.458065] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  349.465344] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  349.472608] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  349.479901]  retint_kernel+0x1b/0x2d
[  349.483643] RIP: 0010:dump_stack+0x358/0x39d
[  349.488060] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  349.506957] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  349.514660] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  349.521926] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  349.529206] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  349.536472] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  349.543736] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  349.551029]  ? dump_stack+0x34f/0x39d
[  349.554850]  ? dump_stack_print_info.cold.1+0x20/0x20
[  349.560054]  ? mark_held_locks+0x130/0x130
[  349.564292]  ? mark_held_locks+0x130/0x130
[  349.568531]  dump_header+0x27b/0xf72
[  349.572259]  ? pagefault_out_of_memory+0x197/0x197
[  349.577223]  ? __lock_acquire+0x62f/0x4c20
[  349.581458]  ? percpu_ref_get_many+0x240/0x240
[  349.586058]  ? print_usage_bug+0xc0/0xc0
[  349.590131]  ? zap_class+0x640/0x640
[  349.593847]  ? print_usage_bug+0xc0/0xc0
[  349.597905]  ? print_usage_bug+0xc0/0xc0
[  349.601968]  ? zap_class+0x640/0x640
[  349.605685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.611225]  ? find_held_lock+0x36/0x1c0
[  349.615297]  ? mark_held_locks+0xc7/0x130
[  349.619457]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  349.624602]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  349.629726]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  349.634328]  ? trace_hardirqs_on+0xbd/0x310
[  349.638650]  ? kasan_check_read+0x11/0x20
[  349.642798]  ? ___ratelimit+0x3b4/0x672
[  349.646770]  ? trace_hardirqs_off_caller+0x310/0x310
[  349.651872]  ? trace_hardirqs_on+0x310/0x310
[  349.656286]  ? lock_downgrade+0x900/0x900
[  349.660437]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  349.665542]  ? ___ratelimit+0x3b9/0x672
[  349.669529]  ? idr_get_free+0xf70/0xf70
[  349.673503]  ? find_held_lock+0x36/0x1c0
[  349.677575]  oom_kill_process.cold.27+0x10/0x903
[  349.682386]  ? zap_class+0x640/0x640
[  349.686106]  ? check_preemption_disabled+0x48/0x280
[  349.691130]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  349.696067]  ? kasan_check_read+0x11/0x20
[  349.700215]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.705522]  ? oom_evaluate_task+0x540/0x540
[  349.709948]  ? find_held_lock+0x36/0x1c0
[  349.714025]  ? out_of_memory+0x974/0x1430
[  349.718181]  ? lock_downgrade+0x900/0x900
[  349.722329]  ? check_preemption_disabled+0x48/0x280
[  349.727347]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  349.732289]  ? kasan_check_read+0x11/0x20
[  349.736440]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.741725]  ? rcu_softirq_qs+0x20/0x20
[  349.745705]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.751240]  ? oom_evaluate_task+0x302/0x540
[  349.755651]  out_of_memory+0xa84/0x1430
[  349.759630]  ? oom_killer_disable+0x3a0/0x3a0
[  349.764122]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  349.769074]  ? __ww_mutex_check_waiters+0x160/0x160
[  349.774101]  __alloc_pages_slowpath+0x2354/0x2e10
[  349.778991]  ? warn_alloc+0x120/0x120
[  349.782800]  ? mark_held_locks+0x130/0x130
[  349.787050]  ? find_get_entry+0xaae/0x1120
[  349.791295]  ? filemap_map_pages+0x1a20/0x1a20
[  349.795884]  ? zap_class+0x640/0x640
[  349.799616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.805163]  ? check_preemption_disabled+0x48/0x280
[  349.810184]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.815737]  ? should_fail+0x22d/0xd01
[  349.819632]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.824739]  ? zap_class+0x640/0x640
[  349.828506]  ? __lock_is_held+0xb5/0x140
[  349.832576]  ? mark_held_locks+0x130/0x130
[  349.836815]  ? lock_release+0xa00/0xa00
[  349.840789]  ? perf_trace_sched_process_exec+0x860/0x860
[  349.846241]  ? xa_load+0x2ba/0x460
[  349.849782]  ? lock_downgrade+0x900/0x900
[  349.853966]  ? __might_sleep+0x95/0x190
[  349.857945]  __alloc_pages_nodemask+0xa80/0xde0
[  349.862624]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  349.867641]  ? __page_cache_alloc+0x191/0x5c0
[  349.872138]  ? xa_load+0x2e1/0x460
[  349.875685]  ? xa_clear_mark+0x40/0x40
[  349.879573]  ? zap_class+0x640/0x640
[  349.883293]  ? zap_class+0x640/0x640
[  349.887005]  ? zap_class+0x640/0x640
[  349.890731]  ? __do_page_cache_readahead+0x663/0x810
[  349.895839]  ? find_held_lock+0x36/0x1c0
[  349.899908]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  349.905450]  alloc_pages_current+0x173/0x350
[  349.909864]  __page_cache_alloc+0x38c/0x5c0
[  349.914187]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  349.919115]  ? kasan_check_read+0x11/0x20
[  349.923260]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.928538]  ? generic_perform_write+0x6a0/0x6a0
[  349.933295]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.938837]  ? check_preemption_disabled+0x48/0x280
[  349.943863]  filemap_fault+0x1595/0x25f0
[  349.947936]  ? __lock_page_or_retry+0xa00/0xa00
[  349.952610]  ? mark_held_locks+0x130/0x130
[  349.956859]  ? filemap_map_pages+0xd6b/0x1a20
[  349.961358]  ? lock_downgrade+0x900/0x900
[  349.965506]  ? check_preemption_disabled+0x48/0x280
[  349.970528]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  349.975476]  ? kasan_check_read+0x11/0x20
[  349.979639]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.984922]  ? rcu_softirq_qs+0x20/0x20
[  349.988910]  ? filemap_map_pages+0xd92/0x1a20
[  349.993429]  ? find_get_entries_tag+0x1400/0x1400
[  349.998275]  ? ep_scan_ready_list+0xbc7/0x1050
[  350.002858]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.007994]  ? lock_acquire+0x1ed/0x520
[  350.011997]  ? ext4_filemap_fault+0x7a/0xad
[  350.016337]  ? lock_release+0xa00/0xa00
[  350.020311]  ? perf_trace_sched_process_exec+0x860/0x860
[  350.025765]  ? print_usage_bug+0xc0/0xc0
[  350.029829]  ? print_usage_bug+0xc0/0xc0
[  350.033945]  ? down_read+0x8d/0x120
[  350.037604]  ? ext4_filemap_fault+0x7a/0xad
[  350.041926]  ? __down_interruptible+0x700/0x700
[  350.046603]  ext4_filemap_fault+0x82/0xad
[  350.050759]  __do_fault+0x100/0x6b0
[  350.054395]  ? pmd_devmap_trans_unstable+0x220/0x220
[  350.059501]  ? mark_held_locks+0x130/0x130
[  350.063741]  ? mark_held_locks+0x130/0x130
[  350.067983]  ? kasan_check_read+0x11/0x20
[  350.072146]  ? ep_poll+0xffa/0x13d0
[  350.075780]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.080918]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.086474]  __handle_mm_fault+0x3ea0/0x5be0
[  350.090881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.096429]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  350.101280]  ? do_epoll_create+0x590/0x590
[  350.105531]  ? kasan_check_read+0x11/0x20
[  350.109680]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.114961]  ? rcu_softirq_qs+0x20/0x20
[  350.118949]  ? zap_class+0x640/0x640
[  350.122666]  ? zap_class+0x640/0x640
[  350.126400]  ? find_held_lock+0x36/0x1c0
[  350.130500]  ? handle_mm_fault+0x42a/0xc70
[  350.134735]  ? lock_downgrade+0x900/0x900
[  350.138898]  ? check_preemption_disabled+0x48/0x280
[  350.143916]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  350.148846]  ? kasan_check_read+0x11/0x20
[  350.152994]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.158281]  ? rcu_softirq_qs+0x20/0x20
[  350.162268]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.167371]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.172924]  ? check_preemption_disabled+0x48/0x280
[  350.177963]  handle_mm_fault+0x54f/0xc70
[  350.182034]  ? __handle_mm_fault+0x5be0/0x5be0
[  350.186629]  ? find_vma+0x34/0x190
[  350.190192]  __do_page_fault+0x5e8/0xe60
[  350.194252]  ? trace_hardirqs_off+0xb8/0x310
[  350.198659]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  350.204204]  do_page_fault+0xf2/0x7e0
[  350.208005]  ? vmalloc_sync_all+0x30/0x30
[  350.212164]  ? error_entry+0x70/0xd0
[  350.215910]  ? trace_hardirqs_off_caller+0xbb/0x310
[  350.220927]  ? trace_hardirqs_on_caller+0xc0/0x310
[  350.225873]  ? syscall_return_slowpath+0x5e0/0x5e0
[  350.230800]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.235670]  ? trace_hardirqs_on_caller+0x310/0x310
[  350.240699]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  350.246242]  ? prepare_exit_to_usermode+0x291/0x3b0
[  350.251269]  ? page_fault+0x8/0x30
[  350.254811]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.259652]  ? page_fault+0x8/0x30
[  350.263191]  page_fault+0x1e/0x30
[  350.266645] RIP: 0033:0x45df89
[  350.269847] Code: Bad RIP value.
[  350.273205] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  350.278561] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  350.285826] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  350.293091] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  350.300358] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  350.307637] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  350.314933] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  350.314997] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  350.322290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  350.322295] Call Trace:
[  350.322302]  <IRQ>
[  350.322320]  dump_stack+0x244/0x39d
[  350.322339]  ? dump_stack_print_info.cold.1+0x20/0x20
[  350.328873] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  350.338176]  warn_alloc.cold.116+0xb7/0x1bd
[  350.340730] syz-fuzzer cpuset=/ mems_allowed=0
[  350.342880]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  350.375641]  ? lock_downgrade+0x900/0x900
[  350.379807]  ? trace_hardirqs_off+0xb8/0x310
[  350.384241]  ? trace_hardirqs_off+0xb8/0x310
[  350.388664]  __alloc_pages_slowpath+0x26e8/0x2e10
[  350.393544]  ? warn_alloc+0x120/0x120
[  350.397350]  ? warn_alloc+0x120/0x120
[  350.401158]  ? warn_alloc+0x120/0x120
[  350.404960]  ? print_usage_bug+0xc0/0xc0
[  350.409038]  ? print_usage_bug+0xc0/0xc0
[  350.413104]  ? find_held_lock+0x36/0x1c0
[  350.417175]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.422711]  ? should_fail+0x22d/0xd01
[  350.426635]  ? try_to_wake_up+0x11c/0x1490
[  350.430886]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.435985]  ? __lock_acquire+0x62f/0x4c20
[  350.440224]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.445325]  ? __lock_acquire+0x62f/0x4c20
[  350.449562]  ? should_fail+0x22d/0xd01
[  350.453448]  ? trace_hardirqs_on+0x310/0x310
[  350.457866]  ? mark_held_locks+0x130/0x130
[  350.462103]  ? mark_held_locks+0x130/0x130
[  350.466334]  ? try_to_wake_up+0x11c/0x1490
[  350.470575]  ? lock_downgrade+0x900/0x900
[  350.474726]  ? zap_class+0x640/0x640
[  350.478438]  ? print_usage_bug+0xc0/0xc0
[  350.482497]  ? trace_hardirqs_off+0xb8/0x310
[  350.486902]  ? kasan_check_read+0x11/0x20
[  350.491058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.496612]  ? check_preemption_disabled+0x48/0x280
[  350.501639]  ? __lock_is_held+0xb5/0x140
[  350.505704]  __alloc_pages_nodemask+0xa80/0xde0
[  350.510374]  ? zap_class+0x640/0x640
[  350.514092]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  350.519138]  ? find_held_lock+0x36/0x1c0
[  350.523211]  ? ____cache_alloc_node+0x1c7/0x1e0
[  350.527895]  ? lock_downgrade+0x900/0x900
[  350.532055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.537601]  cache_grow_begin+0xa5/0x8c0
[  350.541696]  ? do_raw_spin_unlock+0xa7/0x330
[  350.546129]  fallback_alloc+0x204/0x2e0
[  350.550126]  ____cache_alloc_node+0x1c7/0x1e0
[  350.554632]  kmem_cache_alloc_node+0xe3/0x730
[  350.559134]  ? ipv6_get_ifaddr+0x42e/0x620
[  350.563378]  __alloc_skb+0x119/0x770
[  350.567089]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.572370]  ? netdev_alloc_frag+0x1f0/0x1f0
[  350.576786]  ? lock_downgrade+0x900/0x900
[  350.580945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.586510]  ? refcount_sub_and_test_checked+0x203/0x310
[  350.591965]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  350.597417]  ? addrconf_rs_timer+0x690/0x690
[  350.601837]  ndisc_alloc_skb+0x144/0x340
[  350.605903]  ndisc_send_rs+0x331/0x6e0
[  350.609796]  addrconf_rs_timer+0x314/0x690
[  350.614265]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.618513]  call_timer_fn+0x272/0x920
[  350.622404]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.626643]  ? process_timeout+0x40/0x40
[  350.630727]  ? __run_timers+0x7da/0xc70
[  350.634707]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.639199]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.643696]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.647931]  ? lockdep_hardirqs_on+0x296/0x5b0
[  350.652511]  ? trace_hardirqs_on+0xbd/0x310
[  350.656832]  ? kasan_check_read+0x11/0x20
[  350.660992]  ? __run_timers+0x7da/0xc70
[  350.664979]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.670094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.674326]  __run_timers+0x7e5/0xc70
[  350.678140]  ? timer_fixup_init+0x70/0x70
[  350.682293]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  350.687309]  ? zap_class+0x640/0x640
[  350.691032]  ? enqueue_hrtimer+0x1a5/0x560
[  350.695269]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  350.700465]  ? find_held_lock+0x36/0x1c0
[  350.704534]  ? zap_class+0x640/0x640
[  350.708261]  ? pvclock_read_flags+0x160/0x160
[  350.712758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.718300]  ? check_preemption_disabled+0x48/0x280
[  350.723326]  ? __lock_is_held+0xb5/0x140
[  350.727386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.732925]  ? check_preemption_disabled+0x48/0x280
[  350.737945]  run_timer_softirq+0x52/0xb0
[  350.742030]  ? rcu_read_lock_sched_held+0x14f/0x180
[  350.747561]  __do_softirq+0x308/0xb7e
[  350.751367]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  350.755868]  ? lock_downgrade+0x900/0x900
[  350.760055]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  350.765167]  ? pvclock_read_flags+0x160/0x160
[  350.769665]  ? lapic_next_event+0x5a/0x90
[  350.773816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.779356]  ? kvm_clock_read+0x18/0x30
[  350.783329]  ? kvm_sched_clock_read+0x9/0x20
[  350.787764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.793313]  ? check_preemption_disabled+0x48/0x280
[  350.798342]  irq_exit+0x17f/0x1c0
[  350.801798]  smp_apic_timer_interrupt+0x1cb/0x760
[  350.806639]  ? smp_reschedule_interrupt+0x109/0x650
[  350.811658]  ? smp_call_function_single_interrupt+0x650/0x650
[  350.817558]  ? interrupt_entry+0xb5/0xc0
[  350.821639]  ? trace_hardirqs_off_caller+0xbb/0x310
[  350.826673]  ? trace_hardirqs_off_caller+0xbb/0x310
[  350.831690]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.836538]  ? trace_hardirqs_on_caller+0x310/0x310
[  350.841563]  ? trace_hardirqs_on_caller+0x310/0x310
[  350.846608]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.851457]  apic_timer_interrupt+0xf/0x20
[  350.855686]  </IRQ>
[  350.857922] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  350.862851] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  350.881750] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  350.889472] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  350.896737] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  350.904007] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  350.911280] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  350.918575] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  350.925897]  skb_clone+0x1bb/0x500
[  350.929452]  ? finish_task_switch+0x2f4/0x910
[  350.933966]  ? skb_split+0x11e0/0x11e0
[  350.937857]  ? preempt_notifier_register+0x200/0x200
[  350.942957]  ? __switch_to_asm+0x34/0x70
[  350.947016]  ? __switch_to_asm+0x34/0x70
[  350.951085]  ? __switch_to_asm+0x40/0x70
[  350.955141]  ? __switch_to_asm+0x34/0x70
[  350.959196]  ? __switch_to_asm+0x40/0x70
[  350.963252]  ? __switch_to_asm+0x34/0x70
[  350.967311]  ? __switch_to_asm+0x40/0x70
[  350.971367]  ? __switch_to_asm+0x34/0x70
[  350.975436]  ? __switch_to_asm+0x34/0x70
[  350.979507]  ? __switch_to_asm+0x40/0x70
[  350.983567]  ? __switch_to_asm+0x34/0x70
[  350.987634]  bpf_clone_redirect+0xb9/0x490
[  350.991866]  ? __schedule+0x8d7/0x21d0
[  350.995758]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  351.000786]  ? __sched_text_start+0x8/0x8
[  351.004951]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  351.009529]  ? retint_kernel+0x2d/0x2d
[  351.013418]  ? trace_hardirqs_on_caller+0xc0/0x310
[  351.018353]  ? find_held_lock+0x36/0x1c0
[  351.022426]  ? lock_acquire+0x1ed/0x520
[  351.026399]  ? bpf_test_run+0x3cb/0x780
[  351.030374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.035912]  ? check_preemption_disabled+0x48/0x280
[  351.040937]  ? kasan_check_read+0x11/0x20
[  351.045086]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.050367]  ? rcu_softirq_qs+0x20/0x20
[  351.054343]  ? preempt_schedule+0x4d/0x60
[  351.058491]  ? ___preempt_schedule+0x16/0x18
[  351.062975]  ? bpf_test_run+0x25d/0x780
[  351.066959]  ? netlink_diag_dump+0x2a0/0x2a0
[  351.071370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.076908]  ? bpf_test_init.isra.10+0x70/0x100
[  351.081584]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  351.086355]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  351.091197]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  351.096735]  ? fput+0x130/0x1a0
[  351.100012]  ? __bpf_prog_get+0x9b/0x290
[  351.104091]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  351.108934]  ? bpf_prog_test_run+0x130/0x1a0
[  351.113362]  ? __x64_sys_bpf+0x3d8/0x520
[  351.117421]  ? bpf_prog_get+0x20/0x20
[  351.121242]  ? do_syscall_64+0x1b9/0x820
[  351.125304]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  351.130669]  ? syscall_return_slowpath+0x5e0/0x5e0
[  351.135602]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.140446]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.145480]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  351.150498]  ? prepare_exit_to_usermode+0x291/0x3b0
[  351.155520]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.160375]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  351.165758] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  351.165763] warn_alloc_show_mem: 1 callbacks suppressed
[  351.165771] Mem-Info:
[  351.172784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  351.178152] active_anon:51179 inactive_anon:236 isolated_anon:0
[  351.178152]  active_file:17 inactive_file:9 isolated_file:0
[  351.178152]  unevictable:0 dirty:0 writeback:0 unstable:0
[  351.178152]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  351.178152]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  351.178152]  free:13694 free_pcp:258 free_cma:0
[  351.180552] Call Trace:
[  351.189946] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  351.222701]  <IRQ>
[  351.225269] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  351.252762]  dump_stack+0x244/0x39d
[  351.254888] lowmem_reserve[]: 0 2818 6321 6321
[  351.280996]  ? dump_stack_print_info.cold.1+0x20/0x20
[  351.284597] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  351.289186]  warn_alloc.cold.116+0xb7/0x1bd
[  351.294342] lowmem_reserve[]: 0 0 3503 3503
[  351.321488]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  351.325812] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  351.330133]  ? lock_downgrade+0x900/0x900
[  351.334954] lowmem_reserve[]: 0 0 0 0
[  351.363926]  ? trace_hardirqs_off+0xb8/0x310
[  351.368043] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  351.371855]  ? trace_hardirqs_off+0xb8/0x310
[  351.376235] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  351.389773]  __alloc_pages_slowpath+0x26e8/0x2e10
[  351.394156] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  351.409342]  ? warn_alloc+0x120/0x120
[  351.414143] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  351.428346]  ? print_usage_bug+0xc0/0xc0
[  351.432125] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  351.440946]  ? warn_alloc+0x120/0x120
[  351.444981] 309 total pagecache pages
[  351.453546]  ? warn_alloc+0x120/0x120
[  351.457329] 0 pages in swap cache
[  351.461118]  ? print_usage_bug+0xc0/0xc0
[  351.464897] Swap cache stats: add 0, delete 0, find 0/0
[  351.468339]  ? print_usage_bug+0xc0/0xc0
[  351.472387] Free swap  = 0kB
[  351.477741]  ? __lock_acquire+0x62f/0x4c20
[  351.481774] Total swap = 0kB
[  351.484786]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.488993] 1965979 pages RAM
[  351.492004]  ? should_fail+0x22d/0xd01
[  351.497519] 0 pages HighMem/MovableOnly
[  351.500633]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.504491] 342853 pages reserved
[  351.508474]  ? __lock_acquire+0x62f/0x4c20
[  351.513555] 0 pages cma reserved
[  351.517003]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.521288] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  351.524587]  ? __lock_acquire+0x62f/0x4c20
[  351.524600]  ? should_fail+0x22d/0xd01
[  351.524614]  ? find_held_lock+0x36/0x1c0
[  351.524635]  ? mark_held_locks+0x130/0x130
[  351.529766] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  351.536195]  ? mark_held_locks+0x130/0x130
[  351.540422] syz-executor2 cpuset=syz2 mems_allowed=0
[  351.544329]  ? zap_class+0x640/0x640
[  351.576116]  ? zap_class+0x640/0x640
[  351.579849]  ? print_usage_bug+0xc0/0xc0
[  351.583925]  ? do_raw_spin_unlock+0xa7/0x330
[  351.588334]  ? zap_class+0x640/0x640
[  351.592072]  ? print_usage_bug+0xc0/0xc0
[  351.596133]  ? wq_watchdog_touch+0x9c/0xfe
[  351.600372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.605911]  ? check_preemption_disabled+0x48/0x280
[  351.610944]  ? __lock_is_held+0xb5/0x140
[  351.615014]  __alloc_pages_nodemask+0xa80/0xde0
[  351.619707]  ? zap_class+0x640/0x640
[  351.623425]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  351.628453]  ? find_held_lock+0x36/0x1c0
[  351.632524]  ? ____cache_alloc_node+0x1c7/0x1e0
[  351.637207]  ? lock_downgrade+0x900/0x900
[  351.641363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.646910]  cache_grow_begin+0xa5/0x8c0
[  351.650972]  ? do_raw_spin_unlock+0xa7/0x330
[  351.655389]  fallback_alloc+0x204/0x2e0
[  351.659371]  ____cache_alloc_node+0x1c7/0x1e0
[  351.663876]  kmem_cache_alloc_node+0xe3/0x730
[  351.668372]  ? ipv6_get_ifaddr+0x42e/0x620
[  351.672623]  __alloc_skb+0x119/0x770
[  351.676336]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.681621]  ? netdev_alloc_frag+0x1f0/0x1f0
[  351.686037]  ? lock_downgrade+0x900/0x900
[  351.690196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.695732]  ? refcount_sub_and_test_checked+0x203/0x310
[  351.701203]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  351.706655]  ? addrconf_rs_timer+0x690/0x690
[  351.711079]  ndisc_alloc_skb+0x144/0x340
[  351.715146]  ndisc_send_rs+0x331/0x6e0
[  351.719050]  addrconf_rs_timer+0x314/0x690
[  351.723290]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.727553]  call_timer_fn+0x272/0x920
[  351.731456]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.735689]  ? process_timeout+0x40/0x40
[  351.739763]  ? mark_held_locks+0xc7/0x130
[  351.743911]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.748410]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.752902]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.757139]  ? lockdep_hardirqs_on+0x296/0x5b0
[  351.761725]  ? trace_hardirqs_on+0xbd/0x310
[  351.766059]  ? kasan_check_read+0x11/0x20
[  351.770212]  ? __run_timers+0x7da/0xc70
[  351.774186]  ? trace_hardirqs_off_caller+0x310/0x310
[  351.779306]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.783580]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.787828]  __run_timers+0x7e5/0xc70
[  351.791642]  ? timer_fixup_init+0x70/0x70
[  351.795794]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  351.800810]  ? zap_class+0x640/0x640
[  351.804529]  ? print_usage_bug+0xc0/0xc0
[  351.808592]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  351.813790]  ? find_held_lock+0x36/0x1c0
[  351.817865]  ? zap_class+0x640/0x640
[  351.821589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.827127]  ? check_preemption_disabled+0x48/0x280
[  351.832157]  ? __lock_is_held+0xb5/0x140
[  351.836225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.841765]  ? check_preemption_disabled+0x48/0x280
[  351.846787]  run_timer_softirq+0x52/0xb0
[  351.850852]  ? rcu_read_lock_sched_held+0x14f/0x180
[  351.855871]  __do_softirq+0x308/0xb7e
[  351.859674]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  351.864171]  ? lock_downgrade+0x900/0x900
[  351.868324]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  351.873445]  ? pvclock_read_flags+0x160/0x160
[  351.877941]  ? lapic_next_event+0x5a/0x90
[  351.882088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.887631]  ? kvm_clock_read+0x18/0x30
[  351.891636]  ? kvm_sched_clock_read+0x9/0x20
[  351.896058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.901608]  ? check_preemption_disabled+0x48/0x280
[  351.906650]  irq_exit+0x17f/0x1c0
[  351.910101]  smp_apic_timer_interrupt+0x1cb/0x760
[  351.914939]  ? smp_reschedule_interrupt+0x109/0x650
[  351.919958]  ? smp_call_function_single_interrupt+0x650/0x650
[  351.925879]  ? interrupt_entry+0xb5/0xc0
[  351.929941]  ? trace_hardirqs_off_caller+0xbb/0x310
[  351.934958]  ? trace_hardirqs_off_caller+0xbb/0x310
[  351.939976]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.944817]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.949834]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.954852]  ? task_prio+0x50/0x50
[  351.958406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.963960]  ? check_preemption_disabled+0x48/0x280
[  351.969008]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.973895]  apic_timer_interrupt+0xf/0x20
[  351.978144]  </IRQ>
[  351.980383] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  351.985573] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  352.004471] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  352.012175] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  352.019442] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  352.026708] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  352.033974] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  352.041241] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  352.048564]  retint_kernel+0x1b/0x2d
[  352.052285] RIP: 0010:dump_stack+0x358/0x39d
[  352.056696] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  352.075592] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  352.083299] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  352.090563] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  352.097828] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  352.105092] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  352.112356] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  352.119656]  ? dump_stack+0x34f/0x39d
[  352.123471]  ? dump_stack_print_info.cold.1+0x20/0x20
[  352.128665]  ? mark_held_locks+0x130/0x130
[  352.132899]  ? mark_held_locks+0x130/0x130
[  352.137137]  dump_header+0x27b/0xf72
[  352.140863]  ? pagefault_out_of_memory+0x197/0x197
[  352.145799]  ? __lock_acquire+0x62f/0x4c20
[  352.150049]  ? percpu_ref_get_many+0x240/0x240
[  352.154638]  ? print_usage_bug+0xc0/0xc0
[  352.158705]  ? zap_class+0x640/0x640
[  352.162422]  ? print_usage_bug+0xc0/0xc0
[  352.166483]  ? print_usage_bug+0xc0/0xc0
[  352.170588]  ? zap_class+0x640/0x640
[  352.174310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.179855]  ? find_held_lock+0x36/0x1c0
[  352.183924]  ? mark_held_locks+0xc7/0x130
[  352.188074]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  352.193180]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  352.198284]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  352.202865]  ? trace_hardirqs_on+0xbd/0x310
[  352.207201]  ? kasan_check_read+0x11/0x20
[  352.211348]  ? ___ratelimit+0x3b4/0x672
[  352.215324]  ? trace_hardirqs_off_caller+0x310/0x310
[  352.220432]  ? trace_hardirqs_on+0x310/0x310
[  352.224840]  ? lock_downgrade+0x900/0x900
[  352.228991]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  352.234101]  ? ___ratelimit+0x3b9/0x672
[  352.238081]  ? idr_get_free+0xf70/0xf70
[  352.242060]  ? find_held_lock+0x36/0x1c0
[  352.246133]  oom_kill_process.cold.27+0x10/0x903
[  352.250887]  ? zap_class+0x640/0x640
[  352.254618]  ? check_preemption_disabled+0x48/0x280
[  352.259638]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  352.264563]  ? kasan_check_read+0x11/0x20
[  352.268711]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.273985]  ? oom_evaluate_task+0x540/0x540
[  352.278400]  ? find_held_lock+0x36/0x1c0
[  352.282486]  ? out_of_memory+0x974/0x1430
[  352.286647]  ? lock_downgrade+0x900/0x900
[  352.290809]  ? check_preemption_disabled+0x48/0x280
[  352.295847]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  352.300774]  ? kasan_check_read+0x11/0x20
[  352.304917]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.310210]  ? rcu_softirq_qs+0x20/0x20
[  352.314190]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.319729]  ? oom_evaluate_task+0x302/0x540
[  352.324145]  out_of_memory+0xa84/0x1430
[  352.328134]  ? oom_killer_disable+0x3a0/0x3a0
[  352.332630]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  352.337565]  ? __ww_mutex_check_waiters+0x160/0x160
[  352.342597]  __alloc_pages_slowpath+0x2354/0x2e10
[  352.347485]  ? warn_alloc+0x120/0x120
[  352.351288]  ? mark_held_locks+0x130/0x130
[  352.355532]  ? find_get_entry+0xaae/0x1120
[  352.359791]  ? filemap_map_pages+0x1a20/0x1a20
[  352.364377]  ? zap_class+0x640/0x640
[  352.368097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.373635]  ? check_preemption_disabled+0x48/0x280
[  352.378652]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.384187]  ? should_fail+0x22d/0xd01
[  352.388082]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  352.393190]  ? zap_class+0x640/0x640
[  352.396931]  ? __lock_is_held+0xb5/0x140
[  352.401028]  ? mark_held_locks+0x130/0x130
[  352.405270]  ? lock_release+0xa00/0xa00
[  352.409245]  ? perf_trace_sched_process_exec+0x860/0x860
[  352.414697]  ? xa_load+0x2ba/0x460
[  352.418239]  ? lock_downgrade+0x900/0x900
[  352.422390]  ? __might_sleep+0x95/0x190
[  352.426374]  __alloc_pages_nodemask+0xa80/0xde0
[  352.431088]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  352.436125]  ? __page_cache_alloc+0x191/0x5c0
[  352.440616]  ? xa_load+0x2e1/0x460
[  352.444153]  ? xa_clear_mark+0x40/0x40
[  352.448049]  ? zap_class+0x640/0x640
[  352.451770]  ? zap_class+0x640/0x640
[  352.455501]  ? zap_class+0x640/0x640
[  352.459214]  ? __do_page_cache_readahead+0x663/0x810
[  352.464325]  ? find_held_lock+0x36/0x1c0
[  352.468390]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  352.473935]  alloc_pages_current+0x173/0x350
[  352.478352]  __page_cache_alloc+0x38c/0x5c0
[  352.482668]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  352.487597]  ? kasan_check_read+0x11/0x20
[  352.491742]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.497026]  ? generic_perform_write+0x6a0/0x6a0
[  352.501804]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.507345]  ? check_preemption_disabled+0x48/0x280
[  352.512367]  filemap_fault+0x1595/0x25f0
[  352.516454]  ? __lock_page_or_retry+0xa00/0xa00
[  352.521123]  ? mark_held_locks+0x130/0x130
[  352.525372]  ? filemap_map_pages+0xd6b/0x1a20
[  352.529868]  ? lock_downgrade+0x900/0x900
[  352.534023]  ? check_preemption_disabled+0x48/0x280
[  352.539058]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  352.543985]  ? kasan_check_read+0x11/0x20
[  352.548171]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.553451]  ? rcu_softirq_qs+0x20/0x20
[  352.557440]  ? filemap_map_pages+0xd92/0x1a20
[  352.561947]  ? find_get_entries_tag+0x1400/0x1400
[  352.566789]  ? ep_scan_ready_list+0xbc7/0x1050
[  352.571387]  ? trace_hardirqs_off_caller+0x310/0x310
[  352.576521]  ? lock_acquire+0x1ed/0x520
[  352.580490]  ? ext4_filemap_fault+0x7a/0xad
[  352.584817]  ? lock_release+0xa00/0xa00
[  352.588801]  ? perf_trace_sched_process_exec+0x860/0x860
[  352.594267]  ? print_usage_bug+0xc0/0xc0
[  352.598328]  ? print_usage_bug+0xc0/0xc0
[  352.602400]  ? down_read+0x8d/0x120
[  352.606060]  ? ext4_filemap_fault+0x7a/0xad
[  352.610384]  ? __down_interruptible+0x700/0x700
[  352.615524]  ext4_filemap_fault+0x82/0xad
[  352.619690]  __do_fault+0x100/0x6b0
[  352.623322]  ? pmd_devmap_trans_unstable+0x220/0x220
[  352.628427]  ? mark_held_locks+0x130/0x130
[  352.632671]  ? mark_held_locks+0x130/0x130
[  352.636933]  ? kasan_check_read+0x11/0x20
[  352.641084]  ? ep_poll+0xffa/0x13d0
[  352.644710]  ? trace_hardirqs_off_caller+0x310/0x310
[  352.649816]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.655357]  __handle_mm_fault+0x3ea0/0x5be0
[  352.659766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.665342]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  352.670204]  ? do_epoll_create+0x590/0x590
[  352.674439]  ? kasan_check_read+0x11/0x20
[  352.678611]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.683891]  ? rcu_softirq_qs+0x20/0x20
[  352.687895]  ? zap_class+0x640/0x640
[  352.691623]  ? zap_class+0x640/0x640
[  352.695341]  ? find_held_lock+0x36/0x1c0
[  352.699407]  ? handle_mm_fault+0x42a/0xc70
[  352.703643]  ? lock_downgrade+0x900/0x900
[  352.707792]  ? check_preemption_disabled+0x48/0x280
[  352.712812]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  352.717738]  ? kasan_check_read+0x11/0x20
[  352.721884]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.727159]  ? rcu_softirq_qs+0x20/0x20
[  352.731132]  ? trace_hardirqs_off_caller+0x310/0x310
[  352.736232]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.741769]  ? check_preemption_disabled+0x48/0x280
[  352.747010]  handle_mm_fault+0x54f/0xc70
[  352.751121]  ? __handle_mm_fault+0x5be0/0x5be0
[  352.755715]  ? find_vma+0x34/0x190
[  352.759269]  __do_page_fault+0x5e8/0xe60
[  352.763327]  ? trace_hardirqs_off+0xb8/0x310
[  352.767733]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  352.773276]  do_page_fault+0xf2/0x7e0
[  352.777079]  ? vmalloc_sync_all+0x30/0x30
[  352.781230]  ? error_entry+0x70/0xd0
[  352.784946]  ? trace_hardirqs_off_caller+0xbb/0x310
[  352.789959]  ? trace_hardirqs_on_caller+0xc0/0x310
[  352.794888]  ? syscall_return_slowpath+0x5e0/0x5e0
[  352.799819]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.804661]  ? trace_hardirqs_on_caller+0x310/0x310
[  352.809676]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  352.815146]  ? prepare_exit_to_usermode+0x291/0x3b0
[  352.820170]  ? page_fault+0x8/0x30
[  352.823714]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.828557]  ? page_fault+0x8/0x30
[  352.832118]  page_fault+0x1e/0x30
[  352.835619] RIP: 0033:0x45df89
[  352.838833] Code: Bad RIP value.
[  352.842192] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  352.847551] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  352.854817] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  352.862089] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  352.869358] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  352.876624] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  352.883916] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  352.883979] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  352.891276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  352.891285] Call Trace:
[  352.897848] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  352.907102]  <IRQ>
[  352.909670] syz-fuzzer cpuset=/ mems_allowed=0
[  352.919887]  dump_stack+0x244/0x39d
[  352.930204]  ? dump_stack_print_info.cold.1+0x20/0x20
[  352.935408]  warn_alloc.cold.116+0xb7/0x1bd
[  352.939733]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  352.944581]  ? lock_downgrade+0x900/0x900
[  352.948742]  ? trace_hardirqs_off+0xb8/0x310
[  352.953162]  ? trace_hardirqs_off+0xb8/0x310
[  352.957590]  __alloc_pages_slowpath+0x26e8/0x2e10
[  352.962462]  ? warn_alloc+0x120/0x120
[  352.966265]  ? print_usage_bug+0xc0/0xc0
[  352.970331]  ? warn_alloc+0x120/0x120
[  352.974138]  ? warn_alloc+0x120/0x120
[  352.977944]  ? print_usage_bug+0xc0/0xc0
[  352.982010]  ? print_usage_bug+0xc0/0xc0
[  352.986089]  ? __lock_acquire+0x62f/0x4c20
[  352.990335]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.995871]  ? should_fail+0x22d/0xd01
[  352.999762]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  353.004866]  ? __lock_acquire+0x62f/0x4c20
[  353.009135]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  353.014239]  ? __lock_acquire+0x62f/0x4c20
[  353.018470]  ? should_fail+0x22d/0xd01
[  353.022357]  ? find_held_lock+0x36/0x1c0
[  353.026431]  ? mark_held_locks+0x130/0x130
[  353.030674]  ? mark_held_locks+0x130/0x130
[  353.034921]  ? zap_class+0x640/0x640
[  353.038636]  ? zap_class+0x640/0x640
[  353.042350]  ? print_usage_bug+0xc0/0xc0
[  353.046414]  ? do_raw_spin_unlock+0xa7/0x330
[  353.050822]  ? zap_class+0x640/0x640
[  353.054537]  ? print_usage_bug+0xc0/0xc0
[  353.058602]  ? wq_watchdog_touch+0x9c/0xfe
[  353.062841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.068380]  ? check_preemption_disabled+0x48/0x280
[  353.073405]  ? __lock_is_held+0xb5/0x140
[  353.077474]  __alloc_pages_nodemask+0xa80/0xde0
[  353.082144]  ? zap_class+0x640/0x640
[  353.085864]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  353.090894]  ? find_held_lock+0x36/0x1c0
[  353.094993]  ? ____cache_alloc_node+0x1c7/0x1e0
[  353.099686]  ? lock_downgrade+0x900/0x900
[  353.103846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.109391]  cache_grow_begin+0xa5/0x8c0
[  353.113453]  ? do_raw_spin_unlock+0xa7/0x330
[  353.117872]  fallback_alloc+0x204/0x2e0
[  353.121853]  ____cache_alloc_node+0x1c7/0x1e0
[  353.126353]  kmem_cache_alloc_node+0xe3/0x730
[  353.130852]  ? ipv6_get_ifaddr+0x42e/0x620
[  353.135100]  __alloc_skb+0x119/0x770
[  353.138811]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  353.144091]  ? netdev_alloc_frag+0x1f0/0x1f0
[  353.148498]  ? lock_downgrade+0x900/0x900
[  353.152653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.158195]  ? refcount_sub_and_test_checked+0x203/0x310
[  353.163648]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  353.169098]  ? addrconf_rs_timer+0x690/0x690
[  353.173522]  ndisc_alloc_skb+0x144/0x340
[  353.177592]  ndisc_send_rs+0x331/0x6e0
[  353.181484]  addrconf_rs_timer+0x314/0x690
[  353.185729]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.189977]  call_timer_fn+0x272/0x920
[  353.193866]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.198105]  ? process_timeout+0x40/0x40
[  353.202192]  ? __run_timers+0x7da/0xc70
[  353.206186]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.210677]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.215171]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.219405]  ? lockdep_hardirqs_on+0x296/0x5b0
[  353.223990]  ? trace_hardirqs_on+0xbd/0x310
[  353.228319]  ? kasan_check_read+0x11/0x20
[  353.232468]  ? __run_timers+0x7da/0xc70
[  353.236444]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.241555]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.245799]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  353.250039]  __run_timers+0x7e5/0xc70
[  353.253857]  ? timer_fixup_init+0x70/0x70
[  353.258010]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  353.263057]  ? zap_class+0x640/0x640
[  353.266779]  ? enqueue_hrtimer+0x1a5/0x560
[  353.271026]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  353.276225]  ? find_held_lock+0x36/0x1c0
[  353.280309]  ? zap_class+0x640/0x640
[  353.284039]  ? pvclock_read_flags+0x160/0x160
[  353.288546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.294091]  ? check_preemption_disabled+0x48/0x280
[  353.299117]  ? __lock_is_held+0xb5/0x140
[  353.303184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.308727]  ? check_preemption_disabled+0x48/0x280
[  353.313752]  run_timer_softirq+0x52/0xb0
[  353.317829]  ? rcu_read_lock_sched_held+0x14f/0x180
[  353.322878]  __do_softirq+0x308/0xb7e
[  353.326725]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  353.331241]  ? lock_downgrade+0x900/0x900
[  353.335397]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  353.340545]  ? pvclock_read_flags+0x160/0x160
[  353.345061]  ? lapic_next_event+0x5a/0x90
[  353.349211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.354760]  ? kvm_clock_read+0x18/0x30
[  353.358746]  ? kvm_sched_clock_read+0x9/0x20
[  353.363165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.368707]  ? check_preemption_disabled+0x48/0x280
[  353.373744]  irq_exit+0x17f/0x1c0
[  353.377203]  smp_apic_timer_interrupt+0x1cb/0x760
[  353.382056]  ? smp_reschedule_interrupt+0x109/0x650
[  353.387075]  ? smp_call_function_single_interrupt+0x650/0x650
[  353.392960]  ? interrupt_entry+0xb5/0xc0
[  353.397031]  ? trace_hardirqs_off_caller+0xbb/0x310
[  353.402055]  ? trace_hardirqs_off_caller+0xbb/0x310
[  353.407075]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.411921]  ? trace_hardirqs_on_caller+0x310/0x310
[  353.416938]  ? trace_hardirqs_on_caller+0x310/0x310
[  353.421969]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.426822]  apic_timer_interrupt+0xf/0x20
[  353.431053]  </IRQ>
[  353.433294] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  353.438242] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  353.457155] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  353.464907] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  353.472172] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  353.479450] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  353.486719] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  353.493984] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  353.501294]  skb_clone+0x1bb/0x500
[  353.504837]  ? finish_task_switch+0x2f4/0x910
[  353.509333]  ? skb_split+0x11e0/0x11e0
[  353.513222]  ? preempt_notifier_register+0x200/0x200
[  353.518322]  ? __switch_to_asm+0x34/0x70
[  353.522386]  ? __switch_to_asm+0x34/0x70
[  353.526446]  ? __switch_to_asm+0x40/0x70
[  353.530566]  ? __switch_to_asm+0x34/0x70
[  353.534642]  ? __switch_to_asm+0x40/0x70
[  353.538703]  ? __switch_to_asm+0x34/0x70
[  353.542764]  ? __switch_to_asm+0x40/0x70
[  353.546824]  ? __switch_to_asm+0x34/0x70
[  353.550884]  ? __switch_to_asm+0x34/0x70
[  353.554941]  ? __switch_to_asm+0x40/0x70
[  353.558995]  ? __switch_to_asm+0x34/0x70
[  353.563076]  bpf_clone_redirect+0xb9/0x490
[  353.567316]  ? __schedule+0x8d7/0x21d0
[  353.571214]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  353.576237]  ? __sched_text_start+0x8/0x8
[  353.580388]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  353.584967]  ? retint_kernel+0x2d/0x2d
[  353.588857]  ? trace_hardirqs_on_caller+0xc0/0x310
[  353.593805]  ? find_held_lock+0x36/0x1c0
[  353.597902]  ? lock_acquire+0x1ed/0x520
[  353.601874]  ? bpf_test_run+0x3cb/0x780
[  353.605857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.611396]  ? check_preemption_disabled+0x48/0x280
[  353.616419]  ? kasan_check_read+0x11/0x20
[  353.620574]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  353.625850]  ? rcu_softirq_qs+0x20/0x20
[  353.629823]  ? preempt_schedule+0x4d/0x60
[  353.633973]  ? ___preempt_schedule+0x16/0x18
[  353.638388]  ? bpf_test_run+0x25d/0x780
[  353.642386]  ? netlink_diag_dump+0x2a0/0x2a0
[  353.646817]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.652369]  ? bpf_test_init.isra.10+0x70/0x100
[  353.657048]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  353.661829]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  353.666671]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  353.672212]  ? fput+0x130/0x1a0
[  353.675491]  ? __bpf_prog_get+0x9b/0x290
[  353.679561]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  353.684403]  ? bpf_prog_test_run+0x130/0x1a0
[  353.688812]  ? __x64_sys_bpf+0x3d8/0x520
[  353.692875]  ? bpf_prog_get+0x20/0x20
[  353.696691]  ? do_syscall_64+0x1b9/0x820
[  353.700748]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  353.706162]  ? syscall_return_slowpath+0x5e0/0x5e0
[  353.711091]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.715963]  ? trace_hardirqs_on_caller+0x310/0x310
[  353.720995]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  353.726063]  ? prepare_exit_to_usermode+0x291/0x3b0
[  353.731087]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.735947]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  353.741333] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  353.741338] warn_alloc_show_mem: 1 callbacks suppressed
[  353.741345] Mem-Info:
[  353.748368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  353.748376] Call Trace:
[  353.753745] active_anon:51179 inactive_anon:236 isolated_anon:0
[  353.753745]  active_file:17 inactive_file:9 isolated_file:0
[  353.753745]  unevictable:0 dirty:0 writeback:0 unstable:0
[  353.753745]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  353.753745]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  353.753745]  free:13694 free_pcp:258 free_cma:0
[  353.756115]  <IRQ>
[  353.765479] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  353.768068]  dump_stack+0x244/0x39d
[  353.800833] 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
[  353.802984]  ? dump_stack_print_info.cold.1+0x20/0x20
[  353.830465] lowmem_reserve[]: 0 2818 6321 6321
[  353.834098]  warn_alloc.cold.116+0xb7/0x1bd
[  353.860175] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  353.865356]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  353.869913] lowmem_reserve[]: 0 0 3503 3503
[  353.874251]  ? lock_downgrade+0x900/0x900
[  353.901373] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  353.906211]  ? trace_hardirqs_off+0xb8/0x310
[  353.910500] lowmem_reserve[]: 0 0 0 0
[  353.914642]  ? trace_hardirqs_off+0xb8/0x310
[  353.943586] 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
[  353.947989]  __alloc_pages_slowpath+0x26e8/0x2e10
[  353.951761] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  353.956184]  ? warn_alloc+0x120/0x120
[  353.969672] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  353.974540]  ? print_usage_bug+0xc0/0xc0
[  353.989708] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  353.993492]  ? warn_alloc+0x120/0x120
[  354.007704] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  354.011763]  ? warn_alloc+0x120/0x120
[  354.020571] 309 total pagecache pages
[  354.024366]  ? print_usage_bug+0xc0/0xc0
[  354.032916] 0 pages in swap cache
[  354.036707]  ? kvm_clock_read+0x18/0x30
[  354.040486] Swap cache stats: add 0, delete 0, find 0/0
[  354.044536]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  354.047982] Free swap  = 0kB
[  354.051948]  ? print_usage_bug+0xc0/0xc0
[  354.057286] Total swap = 0kB
[  354.062294]  ? __lock_acquire+0x62f/0x4c20
[  354.065289] 1965979 pages RAM
[  354.069346]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.072339] 0 pages HighMem/MovableOnly
[  354.076565]  ? should_fail+0x22d/0xd01
[  354.079645] 342853 pages reserved
[  354.085177]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.089142] 0 pages cma reserved
[  354.093048]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.096532] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  354.101740]  ? __lock_acquire+0x62f/0x4c20
[  354.105225] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  354.110180]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.116646] syz-executor2 cpuset=syz2 mems_allowed=0
[  354.120875]  ? __lock_acquire+0x62f/0x4c20
[  354.145733]  ? should_fail+0x22d/0xd01
[  354.149619]  ? rcu_irq_exit+0x1a2/0x390
[  354.153602]  ? mark_held_locks+0x130/0x130
[  354.157841]  ? mark_held_locks+0x130/0x130
[  354.162085]  ? mark_held_locks+0xc7/0x130
[  354.166234]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  354.171253]  ? zap_class+0x640/0x640
[  354.174968]  ? print_usage_bug+0xc0/0xc0
[  354.179051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.184590]  ? check_preemption_disabled+0x48/0x280
[  354.189614]  ? __lock_is_held+0xb5/0x140
[  354.193683]  __alloc_pages_nodemask+0xa80/0xde0
[  354.198355]  ? zap_class+0x640/0x640
[  354.202077]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  354.207105]  ? find_held_lock+0x36/0x1c0
[  354.211185]  ? ____cache_alloc_node+0x1c7/0x1e0
[  354.215856]  ? lock_downgrade+0x900/0x900
[  354.220012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.225565]  cache_grow_begin+0xa5/0x8c0
[  354.229631]  ? do_raw_spin_unlock+0xa7/0x330
[  354.234057]  fallback_alloc+0x204/0x2e0
[  354.238063]  ____cache_alloc_node+0x1c7/0x1e0
[  354.242567]  kmem_cache_alloc_node+0xe3/0x730
[  354.247070]  ? ipv6_get_ifaddr+0x42e/0x620
[  354.251320]  __alloc_skb+0x119/0x770
[  354.255048]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.260332]  ? netdev_alloc_frag+0x1f0/0x1f0
[  354.264738]  ? lock_downgrade+0x900/0x900
[  354.268893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.274444]  ? refcount_sub_and_test_checked+0x203/0x310
[  354.279931]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  354.285379]  ? addrconf_rs_timer+0x690/0x690
[  354.289795]  ndisc_alloc_skb+0x144/0x340
[  354.293859]  ndisc_send_rs+0x331/0x6e0
[  354.297750]  addrconf_rs_timer+0x314/0x690
[  354.301992]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.306243]  call_timer_fn+0x272/0x920
[  354.310131]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.314379]  ? process_timeout+0x40/0x40
[  354.318463]  ? mark_held_locks+0xc7/0x130
[  354.322611]  ? _raw_spin_unlock_irq+0x27/0x80
[  354.327106]  ? _raw_spin_unlock_irq+0x27/0x80
[  354.331603]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.335836]  ? lockdep_hardirqs_on+0x296/0x5b0
[  354.340424]  ? trace_hardirqs_on+0xbd/0x310
[  354.344745]  ? kasan_check_read+0x11/0x20
[  354.348889]  ? __run_timers+0x7da/0xc70
[  354.352876]  ? trace_hardirqs_off_caller+0x310/0x310
[  354.357990]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.362234]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.366467]  __run_timers+0x7e5/0xc70
[  354.370276]  ? timer_fixup_init+0x70/0x70
[  354.374430]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  354.379444]  ? zap_class+0x640/0x640
[  354.383164]  ? print_usage_bug+0xc0/0xc0
[  354.387231]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  354.392426]  ? find_held_lock+0x36/0x1c0
[  354.396497]  ? zap_class+0x640/0x640
[  354.400222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.405760]  ? check_preemption_disabled+0x48/0x280
[  354.410785]  ? __lock_is_held+0xb5/0x140
[  354.414847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.420387]  ? check_preemption_disabled+0x48/0x280
[  354.425408]  run_timer_softirq+0x52/0xb0
[  354.429488]  ? rcu_read_lock_sched_held+0x14f/0x180
[  354.434506]  __do_softirq+0x308/0xb7e
[  354.438312]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  354.442804]  ? lock_downgrade+0x900/0x900
[  354.446955]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  354.452097]  ? pvclock_read_flags+0x160/0x160
[  354.456621]  ? lapic_next_event+0x5a/0x90
[  354.460771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.466318]  ? kvm_clock_read+0x18/0x30
[  354.470291]  ? kvm_sched_clock_read+0x9/0x20
[  354.474706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.480243]  ? check_preemption_disabled+0x48/0x280
[  354.485270]  irq_exit+0x17f/0x1c0
[  354.488722]  smp_apic_timer_interrupt+0x1cb/0x760
[  354.493597]  ? smp_reschedule_interrupt+0x109/0x650
[  354.498625]  ? smp_call_function_single_interrupt+0x650/0x650
[  354.504526]  ? interrupt_entry+0xb5/0xc0
[  354.508623]  ? trace_hardirqs_off_caller+0xbb/0x310
[  354.513663]  ? trace_hardirqs_off_caller+0xbb/0x310
[  354.518676]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.523517]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.528530]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.533559]  ? task_prio+0x50/0x50
[  354.537101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.542640]  ? check_preemption_disabled+0x48/0x280
[  354.547660]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.552509]  apic_timer_interrupt+0xf/0x20
[  354.556735]  </IRQ>
[  354.558977] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  354.564167] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  354.583081] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  354.590791] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  354.598062] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  354.605328] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  354.613098] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  354.620367] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  354.627665]  retint_kernel+0x1b/0x2d
[  354.631379] RIP: 0010:dump_stack+0x358/0x39d
[  354.635785] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  354.654687] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  354.662396] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  354.669662] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  354.676927] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  354.684192] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  354.691458] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  354.698743]  ? dump_stack+0x34f/0x39d
[  354.702560]  ? dump_stack_print_info.cold.1+0x20/0x20
[  354.707753]  ? mark_held_locks+0x130/0x130
[  354.711992]  ? mark_held_locks+0x130/0x130
[  354.716257]  dump_header+0x27b/0xf72
[  354.719988]  ? pagefault_out_of_memory+0x197/0x197
[  354.724933]  ? __lock_acquire+0x62f/0x4c20
[  354.729183]  ? percpu_ref_get_many+0x240/0x240
[  354.733941]  ? print_usage_bug+0xc0/0xc0
[  354.738010]  ? zap_class+0x640/0x640
[  354.741743]  ? print_usage_bug+0xc0/0xc0
[  354.746010]  ? print_usage_bug+0xc0/0xc0
[  354.750089]  ? zap_class+0x640/0x640
[  354.753809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.759366]  ? find_held_lock+0x36/0x1c0
[  354.763501]  ? mark_held_locks+0xc7/0x130
[  354.767664]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  354.772778]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  354.777892]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  354.782493]  ? trace_hardirqs_on+0xbd/0x310
[  354.786815]  ? kasan_check_read+0x11/0x20
[  354.790992]  ? ___ratelimit+0x3b4/0x672
[  354.794974]  ? trace_hardirqs_off_caller+0x310/0x310
[  354.800080]  ? trace_hardirqs_on+0x310/0x310
[  354.804517]  ? lock_downgrade+0x900/0x900
[  354.808672]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  354.813777]  ? ___ratelimit+0x3b9/0x672
[  354.817750]  ? idr_get_free+0xf70/0xf70
[  354.821723]  ? find_held_lock+0x36/0x1c0
[  354.825793]  oom_kill_process.cold.27+0x10/0x903
[  354.830556]  ? zap_class+0x640/0x640
[  354.834273]  ? check_preemption_disabled+0x48/0x280
[  354.839297]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  354.844225]  ? kasan_check_read+0x11/0x20
[  354.848374]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.853649]  ? oom_evaluate_task+0x540/0x540
[  354.858069]  ? find_held_lock+0x36/0x1c0
[  354.862140]  ? out_of_memory+0x974/0x1430
[  354.866292]  ? lock_downgrade+0x900/0x900
[  354.870444]  ? check_preemption_disabled+0x48/0x280
[  354.875467]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  354.880397]  ? kasan_check_read+0x11/0x20
[  354.884543]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.889821]  ? rcu_softirq_qs+0x20/0x20
[  354.893798]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.899343]  ? oom_evaluate_task+0x302/0x540
[  354.903798]  out_of_memory+0xa84/0x1430
[  354.907776]  ? oom_killer_disable+0x3a0/0x3a0
[  354.912301]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  354.917235]  ? __ww_mutex_check_waiters+0x160/0x160
[  354.922264]  __alloc_pages_slowpath+0x2354/0x2e10
[  354.927139]  ? warn_alloc+0x120/0x120
[  354.930994]  ? mark_held_locks+0x130/0x130
[  354.935242]  ? find_get_entry+0xaae/0x1120
[  354.939492]  ? filemap_map_pages+0x1a20/0x1a20
[  354.944082]  ? zap_class+0x640/0x640
[  354.947808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.953349]  ? check_preemption_disabled+0x48/0x280
[  354.958366]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.963904]  ? should_fail+0x22d/0xd01
[  354.967801]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.972905]  ? zap_class+0x640/0x640
[  354.976644]  ? __lock_is_held+0xb5/0x140
[  354.980714]  ? mark_held_locks+0x130/0x130
[  354.984952]  ? lock_release+0xa00/0xa00
[  354.988942]  ? perf_trace_sched_process_exec+0x860/0x860
[  354.994410]  ? xa_load+0x2ba/0x460
[  354.997953]  ? lock_downgrade+0x900/0x900
[  355.002109]  ? __might_sleep+0x95/0x190
[  355.006089]  __alloc_pages_nodemask+0xa80/0xde0
[  355.010766]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  355.015799]  ? __page_cache_alloc+0x191/0x5c0
[  355.020310]  ? xa_load+0x2e1/0x460
[  355.023857]  ? xa_clear_mark+0x40/0x40
[  355.027745]  ? zap_class+0x640/0x640
[  355.031468]  ? zap_class+0x640/0x640
[  355.035182]  ? zap_class+0x640/0x640
[  355.038895]  ? __do_page_cache_readahead+0x663/0x810
[  355.044007]  ? find_held_lock+0x36/0x1c0
[  355.048089]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  355.053636]  alloc_pages_current+0x173/0x350
[  355.058068]  __page_cache_alloc+0x38c/0x5c0
[  355.062389]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  355.067321]  ? kasan_check_read+0x11/0x20
[  355.071468]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.076762]  ? generic_perform_write+0x6a0/0x6a0
[  355.081518]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.087081]  ? check_preemption_disabled+0x48/0x280
[  355.092108]  filemap_fault+0x1595/0x25f0
[  355.096181]  ? __lock_page_or_retry+0xa00/0xa00
[  355.100857]  ? mark_held_locks+0x130/0x130
[  355.105102]  ? filemap_map_pages+0xd6b/0x1a20
[  355.109600]  ? lock_downgrade+0x900/0x900
[  355.113792]  ? check_preemption_disabled+0x48/0x280
[  355.118811]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  355.123738]  ? kasan_check_read+0x11/0x20
[  355.127901]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.133182]  ? rcu_softirq_qs+0x20/0x20
[  355.137177]  ? filemap_map_pages+0xd92/0x1a20
[  355.141704]  ? find_get_entries_tag+0x1400/0x1400
[  355.146577]  ? ep_scan_ready_list+0xbc7/0x1050
[  355.151361]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.156481]  ? lock_acquire+0x1ed/0x520
[  355.160480]  ? ext4_filemap_fault+0x7a/0xad
[  355.164820]  ? lock_release+0xa00/0xa00
[  355.168797]  ? perf_trace_sched_process_exec+0x860/0x860
[  355.174251]  ? print_usage_bug+0xc0/0xc0
[  355.178318]  ? print_usage_bug+0xc0/0xc0
[  355.182399]  ? down_read+0x8d/0x120
[  355.186038]  ? ext4_filemap_fault+0x7a/0xad
[  355.190367]  ? __down_interruptible+0x700/0x700
[  355.195059]  ext4_filemap_fault+0x82/0xad
[  355.199212]  __do_fault+0x100/0x6b0
[  355.202848]  ? pmd_devmap_trans_unstable+0x220/0x220
[  355.207959]  ? mark_held_locks+0x130/0x130
[  355.212198]  ? mark_held_locks+0x130/0x130
[  355.216429]  ? kasan_check_read+0x11/0x20
[  355.220594]  ? ep_poll+0xffa/0x13d0
[  355.224236]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.229348]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.234889]  __handle_mm_fault+0x3ea0/0x5be0
[  355.239298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.244848]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  355.249698]  ? do_epoll_create+0x590/0x590
[  355.253930]  ? kasan_check_read+0x11/0x20
[  355.258081]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.263359]  ? rcu_softirq_qs+0x20/0x20
[  355.267349]  ? zap_class+0x640/0x640
[  355.271067]  ? zap_class+0x640/0x640
[  355.274792]  ? find_held_lock+0x36/0x1c0
[  355.278866]  ? handle_mm_fault+0x42a/0xc70
[  355.283114]  ? lock_downgrade+0x900/0x900
[  355.287260]  ? check_preemption_disabled+0x48/0x280
[  355.292294]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  355.297222]  ? kasan_check_read+0x11/0x20
[  355.301391]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.306664]  ? rcu_softirq_qs+0x20/0x20
[  355.310669]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.315791]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.321346]  ? check_preemption_disabled+0x48/0x280
[  355.326372]  handle_mm_fault+0x54f/0xc70
[  355.330468]  ? __handle_mm_fault+0x5be0/0x5be0
[  355.335099]  ? find_vma+0x34/0x190
[  355.338646]  __do_page_fault+0x5e8/0xe60
[  355.342705]  ? trace_hardirqs_off+0xb8/0x310
[  355.347114]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  355.352664]  do_page_fault+0xf2/0x7e0
[  355.356470]  ? vmalloc_sync_all+0x30/0x30
[  355.360622]  ? error_entry+0x70/0xd0
[  355.364339]  ? trace_hardirqs_off_caller+0xbb/0x310
[  355.369357]  ? trace_hardirqs_on_caller+0xc0/0x310
[  355.374290]  ? syscall_return_slowpath+0x5e0/0x5e0
[  355.379217]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  355.384073]  ? trace_hardirqs_on_caller+0x310/0x310
[  355.389091]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  355.394546]  ? prepare_exit_to_usermode+0x291/0x3b0
[  355.399576]  ? page_fault+0x8/0x30
[  355.403122]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  355.407966]  ? page_fault+0x8/0x30
[  355.411511]  page_fault+0x1e/0x30
[  355.414961] RIP: 0033:0x45df89
[  355.418168] Code: Bad RIP value.
[  355.421527] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  355.426889] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  355.434154] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  355.441448] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  355.448744] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  355.456010] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  355.463317] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  355.463381] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  355.470681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  355.470690] Call Trace:
[  355.477308] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  355.486534]  <IRQ>
[  355.489109] syz-fuzzer cpuset=/ mems_allowed=0
[  355.499328]  dump_stack+0x244/0x39d
[  355.509651]  ? dump_stack_print_info.cold.1+0x20/0x20
[  355.514857]  warn_alloc.cold.116+0xb7/0x1bd
[  355.519184]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  355.524042]  ? lock_downgrade+0x900/0x900
[  355.528209]  ? trace_hardirqs_off+0xb8/0x310
[  355.532625]  ? trace_hardirqs_off+0xb8/0x310
[  355.537052]  __alloc_pages_slowpath+0x26e8/0x2e10
[  355.541928]  ? warn_alloc+0x120/0x120
[  355.545731]  ? print_usage_bug+0xc0/0xc0
[  355.549798]  ? warn_alloc+0x120/0x120
[  355.553606]  ? warn_alloc+0x120/0x120
[  355.557407]  ? print_usage_bug+0xc0/0xc0
[  355.561469]  ? kvm_clock_read+0x18/0x30
[  355.565442]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  355.570462]  ? print_usage_bug+0xc0/0xc0
[  355.574526]  ? __lock_acquire+0x62f/0x4c20
[  355.578775]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.584310]  ? should_fail+0x22d/0xd01
[  355.588198]  ? __lock_acquire+0x62f/0x4c20
[  355.592440]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.597549]  ? __lock_acquire+0x62f/0x4c20
[  355.601793]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.606898]  ? __lock_acquire+0x62f/0x4c20
[  355.611130]  ? should_fail+0x22d/0xd01
[  355.615035]  ? mark_held_locks+0x130/0x130
[  355.619277]  ? mark_held_locks+0x130/0x130
[  355.623511]  ? try_to_wake_up+0x11c/0x1490
[  355.627750]  ? lock_downgrade+0x900/0x900
[  355.631901]  ? zap_class+0x640/0x640
[  355.635615]  ? print_usage_bug+0xc0/0xc0
[  355.639689]  ? print_usage_bug+0xc0/0xc0
[  355.643783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.649322]  ? check_preemption_disabled+0x48/0x280
[  355.654349]  ? __lock_is_held+0xb5/0x140
[  355.658420]  __alloc_pages_nodemask+0xa80/0xde0
[  355.663089]  ? zap_class+0x640/0x640
[  355.666811]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  355.671843]  ? find_held_lock+0x36/0x1c0
[  355.675913]  ? ____cache_alloc_node+0x1c7/0x1e0
[  355.680586]  ? lock_downgrade+0x900/0x900
[  355.684737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.690290]  cache_grow_begin+0xa5/0x8c0
[  355.694354]  ? do_raw_spin_unlock+0xa7/0x330
[  355.698770]  fallback_alloc+0x204/0x2e0
[  355.702768]  ____cache_alloc_node+0x1c7/0x1e0
[  355.707272]  kmem_cache_alloc_node+0xe3/0x730
[  355.711781]  ? ipv6_get_ifaddr+0x42e/0x620
[  355.716033]  __alloc_skb+0x119/0x770
[  355.719748]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.725037]  ? netdev_alloc_frag+0x1f0/0x1f0
[  355.729446]  ? lock_downgrade+0x900/0x900
[  355.733602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.739141]  ? refcount_sub_and_test_checked+0x203/0x310
[  355.744599]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  355.750057]  ? addrconf_rs_timer+0x690/0x690
[  355.754480]  ndisc_alloc_skb+0x144/0x340
[  355.758553]  ndisc_send_rs+0x331/0x6e0
[  355.762447]  addrconf_rs_timer+0x314/0x690
[  355.766702]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.770965]  call_timer_fn+0x272/0x920
[  355.774863]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.779101]  ? process_timeout+0x40/0x40
[  355.783168]  ? __run_timers+0x7da/0xc70
[  355.787143]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.791638]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.796136]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.800373]  ? lockdep_hardirqs_on+0x296/0x5b0
[  355.804958]  ? trace_hardirqs_on+0xbd/0x310
[  355.809282]  ? kasan_check_read+0x11/0x20
[  355.813432]  ? __run_timers+0x7da/0xc70
[  355.817406]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.822530]  ? tcp_compressed_ack_kick+0x220/0x220
[  355.827484]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.831720]  __run_timers+0x7e5/0xc70
[  355.835556]  ? timer_fixup_init+0x70/0x70
[  355.839712]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  355.844727]  ? zap_class+0x640/0x640
[  355.848442]  ? enqueue_hrtimer+0x1a5/0x560
[  355.852691]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  355.857901]  ? find_held_lock+0x36/0x1c0
[  355.862001]  ? zap_class+0x640/0x640
[  355.865758]  ? pvclock_read_flags+0x160/0x160
[  355.870260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.875804]  ? check_preemption_disabled+0x48/0x280
[  355.880844]  ? __lock_is_held+0xb5/0x140
[  355.884904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.890442]  ? check_preemption_disabled+0x48/0x280
[  355.895468]  run_timer_softirq+0x52/0xb0
[  355.899533]  ? rcu_read_lock_sched_held+0x14f/0x180
[  355.904576]  __do_softirq+0x308/0xb7e
[  355.908381]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  355.912872]  ? lock_downgrade+0x900/0x900
[  355.917035]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  355.922145]  ? pvclock_read_flags+0x160/0x160
[  355.926643]  ? lapic_next_event+0x5a/0x90
[  355.930792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.936337]  ? kvm_clock_read+0x18/0x30
[  355.940314]  ? kvm_sched_clock_read+0x9/0x20
[  355.944723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.950261]  ? check_preemption_disabled+0x48/0x280
[  355.955303]  irq_exit+0x17f/0x1c0
[  355.958760]  smp_apic_timer_interrupt+0x1cb/0x760
[  355.963603]  ? smp_reschedule_interrupt+0x109/0x650
[  355.968618]  ? smp_call_function_single_interrupt+0x650/0x650
[  355.974514]  ? interrupt_entry+0xb5/0xc0
[  355.978587]  ? trace_hardirqs_off_caller+0xbb/0x310
[  355.983604]  ? trace_hardirqs_off_caller+0xbb/0x310
[  355.988622]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  355.993468]  ? trace_hardirqs_on_caller+0x310/0x310
[  355.998513]  ? trace_hardirqs_on_caller+0x310/0x310
[  356.003551]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.008403]  apic_timer_interrupt+0xf/0x20
[  356.012628]  </IRQ>
[  356.014865] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  356.019799] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  356.038701] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  356.046411] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  356.053691] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  356.060953] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  356.068222] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  356.075488] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  356.082795]  skb_clone+0x1bb/0x500
[  356.086342]  ? finish_task_switch+0x2f4/0x910
[  356.090840]  ? skb_split+0x11e0/0x11e0
[  356.094745]  ? preempt_notifier_register+0x200/0x200
[  356.099847]  ? __switch_to_asm+0x34/0x70
[  356.103914]  ? __switch_to_asm+0x34/0x70
[  356.107974]  ? __switch_to_asm+0x40/0x70
[  356.112042]  ? __switch_to_asm+0x34/0x70
[  356.116102]  ? __switch_to_asm+0x40/0x70
[  356.120162]  ? __switch_to_asm+0x34/0x70
[  356.124235]  ? __switch_to_asm+0x40/0x70
[  356.128292]  ? __switch_to_asm+0x34/0x70
[  356.132355]  ? __switch_to_asm+0x34/0x70
[  356.136413]  ? __switch_to_asm+0x40/0x70
[  356.140484]  ? __switch_to_asm+0x34/0x70
[  356.144556]  bpf_clone_redirect+0xb9/0x490
[  356.148791]  ? __schedule+0x8d7/0x21d0
[  356.152685]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  356.157702]  ? __sched_text_start+0x8/0x8
[  356.161852]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  356.166439]  ? retint_kernel+0x2d/0x2d
[  356.170328]  ? trace_hardirqs_on_caller+0xc0/0x310
[  356.175265]  ? find_held_lock+0x36/0x1c0
[  356.179339]  ? lock_acquire+0x1ed/0x520
[  356.183315]  ? bpf_test_run+0x3cb/0x780
[  356.187292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.192830]  ? check_preemption_disabled+0x48/0x280
[  356.197851]  ? kasan_check_read+0x11/0x20
[  356.202002]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.207291]  ? rcu_softirq_qs+0x20/0x20
[  356.211266]  ? preempt_schedule+0x4d/0x60
[  356.215416]  ? ___preempt_schedule+0x16/0x18
[  356.219836]  ? bpf_test_run+0x25d/0x780
[  356.223841]  ? netlink_diag_dump+0x2a0/0x2a0
[  356.228267]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.233802]  ? bpf_test_init.isra.10+0x70/0x100
[  356.238479]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  356.243244]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  356.248088]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  356.253626]  ? fput+0x130/0x1a0
[  356.256905]  ? __bpf_prog_get+0x9b/0x290
[  356.260969]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  356.265830]  ? bpf_prog_test_run+0x130/0x1a0
[  356.270240]  ? __x64_sys_bpf+0x3d8/0x520
[  356.274305]  ? bpf_prog_get+0x20/0x20
[  356.278128]  ? do_syscall_64+0x1b9/0x820
[  356.282190]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  356.287564]  ? syscall_return_slowpath+0x5e0/0x5e0
[  356.292493]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.297338]  ? trace_hardirqs_on_caller+0x310/0x310
[  356.302358]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  356.307389]  ? prepare_exit_to_usermode+0x291/0x3b0
[  356.312416]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.317265]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  356.322648] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  356.322654] warn_alloc_show_mem: 1 callbacks suppressed
[  356.322661] Mem-Info:
[  356.329673] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  356.335050] active_anon:51179 inactive_anon:236 isolated_anon:0
[  356.335050]  active_file:17 inactive_file:9 isolated_file:0
[  356.335050]  unevictable:0 dirty:0 writeback:0 unstable:0
[  356.335050]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  356.335050]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  356.335050]  free:13694 free_pcp:258 free_cma:0
[  356.337429] Call Trace:
[  356.346818] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  356.379573]  <IRQ>
[  356.382142] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  356.409631]  dump_stack+0x244/0x39d
[  356.411754] lowmem_reserve[]: 0 2818 6321 6321
[  356.437860]  ? dump_stack_print_info.cold.1+0x20/0x20
[  356.441464] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  356.446057]  warn_alloc.cold.116+0xb7/0x1bd
[  356.451221] lowmem_reserve[]: 0 0 3503 3503
[  356.478377]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  356.482677] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  356.486990]  ? lock_downgrade+0x900/0x900
[  356.491808] lowmem_reserve[]: 0 0 0 0
[  356.520783]  ? trace_hardirqs_off+0xb8/0x310
[  356.524901] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  356.528696]  ? trace_hardirqs_off+0xb8/0x310
[  356.533081] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  356.546604]  __alloc_pages_slowpath+0x26e8/0x2e10
[  356.550987] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  356.566173]  ? warn_alloc+0x120/0x120
[  356.570979] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  356.585188]  ? print_usage_bug+0xc0/0xc0
[  356.588971] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  356.597793]  ? warn_alloc+0x120/0x120
[  356.601831] 309 total pagecache pages
[  356.610414]  ? warn_alloc+0x120/0x120
[  356.614334] 0 pages in swap cache
[  356.618128]  ? print_usage_bug+0xc0/0xc0
[  356.621910] Swap cache stats: add 0, delete 0, find 0/0
[  356.625351]  ? kvm_clock_read+0x18/0x30
[  356.629389] Free swap  = 0kB
[  356.634747]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  356.638693] Total swap = 0kB
[  356.641703]  ? print_usage_bug+0xc0/0xc0
[  356.646695] 1965979 pages RAM
[  356.649707]  ? __lock_acquire+0x62f/0x4c20
[  356.653741] 0 pages HighMem/MovableOnly
[  356.656844]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.661046] 342853 pages reserved
[  356.661054] 0 pages cma reserved
[  356.665029]  ? should_fail+0x22d/0xd01
[  356.670630] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  356.673980]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.673999]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  356.674028]  ? __lock_acquire+0x62f/0x4c20
[  356.677428] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  356.681258]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  356.687726] syz-executor2 cpuset=syz2 mems_allowed=0
[  356.692996]  ? __lock_acquire+0x62f/0x4c20
[  356.727184]  ? should_fail+0x22d/0xd01
[  356.731074]  ? rcu_irq_exit+0x1a2/0x390
[  356.735072]  ? mark_held_locks+0x130/0x130
[  356.739319]  ? mark_held_locks+0x130/0x130
[  356.743708]  ? mark_held_locks+0xc7/0x130
[  356.747854]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  356.752869]  ? zap_class+0x640/0x640
[  356.756582]  ? print_usage_bug+0xc0/0xc0
[  356.760645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.766185]  ? check_preemption_disabled+0x48/0x280
[  356.771212]  ? __lock_is_held+0xb5/0x140
[  356.775282]  __alloc_pages_nodemask+0xa80/0xde0
[  356.779952]  ? zap_class+0x640/0x640
[  356.783670]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  356.788697]  ? find_held_lock+0x36/0x1c0
[  356.792773]  ? ____cache_alloc_node+0x1c7/0x1e0
[  356.797442]  ? lock_downgrade+0x900/0x900
[  356.801597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.807139]  cache_grow_begin+0xa5/0x8c0
[  356.811201]  ? do_raw_spin_unlock+0xa7/0x330
[  356.815622]  fallback_alloc+0x204/0x2e0
[  356.819602]  ____cache_alloc_node+0x1c7/0x1e0
[  356.824107]  kmem_cache_alloc_node+0xe3/0x730
[  356.828635]  ? ipv6_get_ifaddr+0x42e/0x620
[  356.832885]  __alloc_skb+0x119/0x770
[  356.836602]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  356.841880]  ? netdev_alloc_frag+0x1f0/0x1f0
[  356.846290]  ? lock_downgrade+0x900/0x900
[  356.850450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.855989]  ? refcount_sub_and_test_checked+0x203/0x310
[  356.861449]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  356.866917]  ? addrconf_rs_timer+0x690/0x690
[  356.871373]  ndisc_alloc_skb+0x144/0x340
[  356.875442]  ndisc_send_rs+0x331/0x6e0
[  356.879332]  addrconf_rs_timer+0x314/0x690
[  356.883586]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.887835]  call_timer_fn+0x272/0x920
[  356.891725]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.895964]  ? process_timeout+0x40/0x40
[  356.900063]  ? mark_held_locks+0xc7/0x130
[  356.904238]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.908729]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.913223]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.917462]  ? lockdep_hardirqs_on+0x296/0x5b0
[  356.922060]  ? trace_hardirqs_on+0xbd/0x310
[  356.926404]  ? kasan_check_read+0x11/0x20
[  356.930551]  ? __run_timers+0x7da/0xc70
[  356.934530]  ? trace_hardirqs_off_caller+0x310/0x310
[  356.939638]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.943880]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.948121]  __run_timers+0x7e5/0xc70
[  356.951934]  ? timer_fixup_init+0x70/0x70
[  356.956100]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  356.961117]  ? zap_class+0x640/0x640
[  356.964838]  ? print_usage_bug+0xc0/0xc0
[  356.968905]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  356.974102]  ? find_held_lock+0x36/0x1c0
[  356.978168]  ? zap_class+0x640/0x640
[  356.981886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.987423]  ? check_preemption_disabled+0x48/0x280
[  356.992453]  ? __lock_is_held+0xb5/0x140
[  356.996519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.002065]  ? check_preemption_disabled+0x48/0x280
[  357.007088]  run_timer_softirq+0x52/0xb0
[  357.011149]  ? rcu_read_lock_sched_held+0x14f/0x180
[  357.016166]  __do_softirq+0x308/0xb7e
[  357.019991]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  357.024492]  ? lock_downgrade+0x900/0x900
[  357.028649]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  357.033765]  ? pvclock_read_flags+0x160/0x160
[  357.038262]  ? lapic_next_event+0x5a/0x90
[  357.042411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.047955]  ? kvm_clock_read+0x18/0x30
[  357.051930]  ? kvm_sched_clock_read+0x9/0x20
[  357.056341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.061898]  ? check_preemption_disabled+0x48/0x280
[  357.066921]  irq_exit+0x17f/0x1c0
[  357.070374]  smp_apic_timer_interrupt+0x1cb/0x760
[  357.075216]  ? smp_reschedule_interrupt+0x109/0x650
[  357.080235]  ? smp_call_function_single_interrupt+0x650/0x650
[  357.086120]  ? interrupt_entry+0xb5/0xc0
[  357.090216]  ? trace_hardirqs_off_caller+0xbb/0x310
[  357.095260]  ? trace_hardirqs_off_caller+0xbb/0x310
[  357.100276]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.105125]  ? trace_hardirqs_on_caller+0x310/0x310
[  357.110138]  ? trace_hardirqs_on_caller+0x310/0x310
[  357.115168]  ? task_prio+0x50/0x50
[  357.118712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.124254]  ? check_preemption_disabled+0x48/0x280
[  357.129273]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.134126]  apic_timer_interrupt+0xf/0x20
[  357.138367]  </IRQ>
[  357.140608] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  357.145801] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  357.164698] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  357.172418] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  357.179713] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  357.186977] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  357.194244] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  357.201511] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  357.208808]  retint_kernel+0x1b/0x2d
[  357.212528] RIP: 0010:dump_stack+0x358/0x39d
[  357.216933] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  357.235835] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  357.243543] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  357.250814] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  357.258085] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  357.265354] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  357.272619] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  357.279924]  ? dump_stack+0x34f/0x39d
[  357.283744]  ? dump_stack_print_info.cold.1+0x20/0x20
[  357.288954]  ? mark_held_locks+0x130/0x130
[  357.293192]  ? mark_held_locks+0x130/0x130
[  357.297434]  dump_header+0x27b/0xf72
[  357.301164]  ? pagefault_out_of_memory+0x197/0x197
[  357.306119]  ? __lock_acquire+0x62f/0x4c20
[  357.310367]  ? percpu_ref_get_many+0x240/0x240
[  357.314951]  ? print_usage_bug+0xc0/0xc0
[  357.319026]  ? zap_class+0x640/0x640
[  357.322746]  ? print_usage_bug+0xc0/0xc0
[  357.326854]  ? print_usage_bug+0xc0/0xc0
[  357.330932]  ? zap_class+0x640/0x640
[  357.334648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.340205]  ? find_held_lock+0x36/0x1c0
[  357.344280]  ? mark_held_locks+0xc7/0x130
[  357.348430]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  357.353529]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  357.358632]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  357.363229]  ? trace_hardirqs_on+0xbd/0x310
[  357.367551]  ? kasan_check_read+0x11/0x20
[  357.371700]  ? ___ratelimit+0x3b4/0x672
[  357.375676]  ? trace_hardirqs_off_caller+0x310/0x310
[  357.380808]  ? trace_hardirqs_on+0x310/0x310
[  357.385244]  ? lock_downgrade+0x900/0x900
[  357.389397]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  357.394500]  ? ___ratelimit+0x3b9/0x672
[  357.398479]  ? idr_get_free+0xf70/0xf70
[  357.402466]  ? find_held_lock+0x36/0x1c0
[  357.406550]  oom_kill_process.cold.27+0x10/0x903
[  357.411308]  ? zap_class+0x640/0x640
[  357.415032]  ? check_preemption_disabled+0x48/0x280
[  357.420064]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  357.424999]  ? kasan_check_read+0x11/0x20
[  357.429160]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.434439]  ? oom_evaluate_task+0x540/0x540
[  357.438849]  ? find_held_lock+0x36/0x1c0
[  357.442918]  ? out_of_memory+0x974/0x1430
[  357.447070]  ? lock_downgrade+0x900/0x900
[  357.451220]  ? check_preemption_disabled+0x48/0x280
[  357.456244]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  357.461171]  ? kasan_check_read+0x11/0x20
[  357.465320]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.470596]  ? rcu_softirq_qs+0x20/0x20
[  357.474590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.480140]  ? oom_evaluate_task+0x302/0x540
[  357.484584]  out_of_memory+0xa84/0x1430
[  357.488593]  ? oom_killer_disable+0x3a0/0x3a0
[  357.493107]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  357.498055]  ? __ww_mutex_check_waiters+0x160/0x160
[  357.503098]  __alloc_pages_slowpath+0x2354/0x2e10
[  357.508045]  ? warn_alloc+0x120/0x120
[  357.511864]  ? mark_held_locks+0x130/0x130
[  357.516104]  ? find_get_entry+0xaae/0x1120
[  357.520349]  ? filemap_map_pages+0x1a20/0x1a20
[  357.524936]  ? zap_class+0x640/0x640
[  357.528660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.534196]  ? check_preemption_disabled+0x48/0x280
[  357.539218]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.544767]  ? should_fail+0x22d/0xd01
[  357.548659]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.553764]  ? zap_class+0x640/0x640
[  357.557509]  ? __lock_is_held+0xb5/0x140
[  357.561579]  ? mark_held_locks+0x130/0x130
[  357.565819]  ? lock_release+0xa00/0xa00
[  357.569806]  ? perf_trace_sched_process_exec+0x860/0x860
[  357.575270]  ? xa_load+0x2ba/0x460
[  357.578826]  ? lock_downgrade+0x900/0x900
[  357.582978]  ? __might_sleep+0x95/0x190
[  357.586956]  __alloc_pages_nodemask+0xa80/0xde0
[  357.591633]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  357.596655]  ? __page_cache_alloc+0x191/0x5c0
[  357.601148]  ? xa_load+0x2e1/0x460
[  357.604694]  ? xa_clear_mark+0x40/0x40
[  357.608583]  ? zap_class+0x640/0x640
[  357.612309]  ? zap_class+0x640/0x640
[  357.616029]  ? zap_class+0x640/0x640
[  357.619750]  ? __do_page_cache_readahead+0x663/0x810
[  357.624860]  ? find_held_lock+0x36/0x1c0
[  357.628924]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  357.634469]  alloc_pages_current+0x173/0x350
[  357.638882]  __page_cache_alloc+0x38c/0x5c0
[  357.643202]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  357.648130]  ? kasan_check_read+0x11/0x20
[  357.652279]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.657561]  ? generic_perform_write+0x6a0/0x6a0
[  357.662335]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.667873]  ? check_preemption_disabled+0x48/0x280
[  357.672901]  filemap_fault+0x1595/0x25f0
[  357.676994]  ? __lock_page_or_retry+0xa00/0xa00
[  357.681686]  ? mark_held_locks+0x130/0x130
[  357.685943]  ? filemap_map_pages+0xd6b/0x1a20
[  357.690455]  ? lock_downgrade+0x900/0x900
[  357.694630]  ? check_preemption_disabled+0x48/0x280
[  357.699666]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  357.704597]  ? kasan_check_read+0x11/0x20
[  357.708748]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.714035]  ? rcu_softirq_qs+0x20/0x20
[  357.718044]  ? filemap_map_pages+0xd92/0x1a20
[  357.722552]  ? find_get_entries_tag+0x1400/0x1400
[  357.727410]  ? ep_scan_ready_list+0xbc7/0x1050
[  357.732031]  ? trace_hardirqs_off_caller+0x310/0x310
[  357.737184]  ? lock_acquire+0x1ed/0x520
[  357.741156]  ? ext4_filemap_fault+0x7a/0xad
[  357.745489]  ? lock_release+0xa00/0xa00
[  357.749463]  ? perf_trace_sched_process_exec+0x860/0x860
[  357.754916]  ? print_usage_bug+0xc0/0xc0
[  357.758982]  ? print_usage_bug+0xc0/0xc0
[  357.763071]  ? down_read+0x8d/0x120
[  357.766698]  ? ext4_filemap_fault+0x7a/0xad
[  357.771030]  ? __down_interruptible+0x700/0x700
[  357.775717]  ext4_filemap_fault+0x82/0xad
[  357.779867]  __do_fault+0x100/0x6b0
[  357.783498]  ? pmd_devmap_trans_unstable+0x220/0x220
[  357.788621]  ? mark_held_locks+0x130/0x130
[  357.792872]  ? mark_held_locks+0x130/0x130
[  357.797105]  ? kasan_check_read+0x11/0x20
[  357.801257]  ? ep_poll+0xffa/0x13d0
[  357.804886]  ? trace_hardirqs_off_caller+0x310/0x310
[  357.809995]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.815542]  __handle_mm_fault+0x3ea0/0x5be0
[  357.819952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.825496]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  357.830377]  ? do_epoll_create+0x590/0x590
[  357.834609]  ? kasan_check_read+0x11/0x20
[  357.838755]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.844055]  ? rcu_softirq_qs+0x20/0x20
[  357.848075]  ? zap_class+0x640/0x640
[  357.851786]  ? zap_class+0x640/0x640
[  357.855519]  ? find_held_lock+0x36/0x1c0
[  357.859620]  ? handle_mm_fault+0x42a/0xc70
[  357.863857]  ? lock_downgrade+0x900/0x900
[  357.868002]  ? check_preemption_disabled+0x48/0x280
[  357.873058]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  357.877988]  ? kasan_check_read+0x11/0x20
[  357.882139]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.887431]  ? rcu_softirq_qs+0x20/0x20
[  357.891403]  ? trace_hardirqs_off_caller+0x310/0x310
[  357.896509]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.902060]  ? check_preemption_disabled+0x48/0x280
[  357.907089]  handle_mm_fault+0x54f/0xc70
[  357.911158]  ? __handle_mm_fault+0x5be0/0x5be0
[  357.915763]  ? find_vma+0x34/0x190
[  357.919309]  __do_page_fault+0x5e8/0xe60
[  357.923372]  ? trace_hardirqs_off+0xb8/0x310
[  357.927797]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  357.933371]  do_page_fault+0xf2/0x7e0
[  357.937201]  ? vmalloc_sync_all+0x30/0x30
[  357.941368]  ? error_entry+0x70/0xd0
[  357.945101]  ? trace_hardirqs_off_caller+0xbb/0x310
[  357.950129]  ? trace_hardirqs_on_caller+0xc0/0x310
[  357.955075]  ? syscall_return_slowpath+0x5e0/0x5e0
[  357.960002]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.964875]  ? trace_hardirqs_on_caller+0x310/0x310
[  357.969889]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  357.975346]  ? prepare_exit_to_usermode+0x291/0x3b0
[  357.980369]  ? page_fault+0x8/0x30
[  357.983917]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.988761]  ? page_fault+0x8/0x30
[  357.992305]  page_fault+0x1e/0x30
[  357.995757] RIP: 0033:0x45df89
[  357.998972] Code: Bad RIP value.
[  358.002331] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  358.007690] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  358.014955] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  358.022225] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  358.029508] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  358.036772] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  358.044075] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  358.044166] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  358.051523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  358.051532] Call Trace:
[  358.058111] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  358.067359]  <IRQ>
[  358.069932] syz-fuzzer cpuset=/ mems_allowed=0
[  358.080149]  dump_stack+0x244/0x39d
[  358.090491]  ? dump_stack_print_info.cold.1+0x20/0x20
[  358.095694]  warn_alloc.cold.116+0xb7/0x1bd
[  358.100037]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  358.104883]  ? lock_downgrade+0x900/0x900
[  358.109051]  ? trace_hardirqs_off+0xb8/0x310
[  358.113470]  ? trace_hardirqs_off+0xb8/0x310
[  358.117888]  __alloc_pages_slowpath+0x26e8/0x2e10
[  358.122759]  ? warn_alloc+0x120/0x120
[  358.126571]  ? print_usage_bug+0xc0/0xc0
[  358.130638]  ? warn_alloc+0x120/0x120
[  358.134442]  ? warn_alloc+0x120/0x120
[  358.138244]  ? print_usage_bug+0xc0/0xc0
[  358.142312]  ? print_usage_bug+0xc0/0xc0
[  358.146377]  ? __lock_acquire+0x62f/0x4c20
[  358.150620]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.156159]  ? should_fail+0x22d/0xd01
[  358.160054]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  358.165161]  ? __lock_acquire+0x62f/0x4c20
[  358.169400]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  358.174517]  ? __lock_acquire+0x62f/0x4c20
[  358.178756]  ? should_fail+0x22d/0xd01
[  358.182661]  ? find_held_lock+0x36/0x1c0
[  358.186751]  ? mark_held_locks+0x130/0x130
[  358.191005]  ? mark_held_locks+0x130/0x130
[  358.195249]  ? zap_class+0x640/0x640
[  358.198962]  ? zap_class+0x640/0x640
[  358.202678]  ? print_usage_bug+0xc0/0xc0
[  358.206739]  ? do_raw_spin_unlock+0xa7/0x330
[  358.211151]  ? zap_class+0x640/0x640
[  358.214865]  ? print_usage_bug+0xc0/0xc0
[  358.218925]  ? wq_watchdog_touch+0x9c/0xfe
[  358.223165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.228704]  ? check_preemption_disabled+0x48/0x280
[  358.233729]  ? __lock_is_held+0xb5/0x140
[  358.237801]  __alloc_pages_nodemask+0xa80/0xde0
[  358.242470]  ? zap_class+0x640/0x640
[  358.246190]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  358.251218]  ? find_held_lock+0x36/0x1c0
[  358.255294]  ? ____cache_alloc_node+0x1c7/0x1e0
[  358.259965]  ? lock_downgrade+0x900/0x900
[  358.264122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.269662]  cache_grow_begin+0xa5/0x8c0
[  358.273732]  ? do_raw_spin_unlock+0xa7/0x330
[  358.278152]  fallback_alloc+0x204/0x2e0
[  358.282132]  ____cache_alloc_node+0x1c7/0x1e0
[  358.286635]  kmem_cache_alloc_node+0xe3/0x730
[  358.291130]  ? ipv6_get_ifaddr+0x42e/0x620
[  358.295375]  __alloc_skb+0x119/0x770
[  358.299085]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.304380]  ? netdev_alloc_frag+0x1f0/0x1f0
[  358.308788]  ? lock_downgrade+0x900/0x900
[  358.312949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.318491]  ? refcount_sub_and_test_checked+0x203/0x310
[  358.323962]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  358.329416]  ? addrconf_rs_timer+0x690/0x690
[  358.333840]  ndisc_alloc_skb+0x144/0x340
[  358.337922]  ndisc_send_rs+0x331/0x6e0
[  358.341870]  addrconf_rs_timer+0x314/0x690
[  358.346131]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.350389]  call_timer_fn+0x272/0x920
[  358.354275]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.358514]  ? process_timeout+0x40/0x40
[  358.362607]  ? __run_timers+0x7da/0xc70
[  358.366598]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.371102]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.375601]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.379850]  ? lockdep_hardirqs_on+0x296/0x5b0
[  358.384437]  ? trace_hardirqs_on+0xbd/0x310
[  358.388774]  ? kasan_check_read+0x11/0x20
[  358.392918]  ? __run_timers+0x7da/0xc70
[  358.396904]  ? trace_hardirqs_off_caller+0x310/0x310
[  358.402004]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.406269]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.410506]  __run_timers+0x7e5/0xc70
[  358.414321]  ? timer_fixup_init+0x70/0x70
[  358.418470]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  358.423485]  ? zap_class+0x640/0x640
[  358.427204]  ? enqueue_hrtimer+0x1a5/0x560
[  358.431439]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  358.436640]  ? find_held_lock+0x36/0x1c0
[  358.440705]  ? zap_class+0x640/0x640
[  358.444427]  ? pvclock_read_flags+0x160/0x160
[  358.448938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.454478]  ? check_preemption_disabled+0x48/0x280
[  358.459504]  ? __lock_is_held+0xb5/0x140
[  358.463573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.469111]  ? check_preemption_disabled+0x48/0x280
[  358.474134]  run_timer_softirq+0x52/0xb0
[  358.478198]  ? rcu_read_lock_sched_held+0x14f/0x180
[  358.483217]  __do_softirq+0x308/0xb7e
[  358.487029]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  358.491528]  ? lock_downgrade+0x900/0x900
[  358.495689]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  358.500800]  ? pvclock_read_flags+0x160/0x160
[  358.505303]  ? lapic_next_event+0x5a/0x90
[  358.509458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.515002]  ? kvm_clock_read+0x18/0x30
[  358.518982]  ? kvm_sched_clock_read+0x9/0x20
[  358.523397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.528944]  ? check_preemption_disabled+0x48/0x280
[  358.534009]  irq_exit+0x17f/0x1c0
[  358.537474]  smp_apic_timer_interrupt+0x1cb/0x760
[  358.542318]  ? smp_reschedule_interrupt+0x109/0x650
[  358.547335]  ? smp_call_function_single_interrupt+0x650/0x650
[  358.553234]  ? interrupt_entry+0xb5/0xc0
[  358.557316]  ? trace_hardirqs_off_caller+0xbb/0x310
[  358.562331]  ? trace_hardirqs_off_caller+0xbb/0x310
[  358.567363]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.572232]  ? trace_hardirqs_on_caller+0x310/0x310
[  358.577282]  ? trace_hardirqs_on_caller+0x310/0x310
[  358.582311]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.587161]  apic_timer_interrupt+0xf/0x20
[  358.591400]  </IRQ>
[  358.593639] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  358.598596] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  358.617500] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  358.625213] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  358.632531] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  358.639815] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  358.647080] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  358.654376] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  358.661684]  skb_clone+0x1bb/0x500
[  358.665230]  ? finish_task_switch+0x2f4/0x910
[  358.669741]  ? skb_split+0x11e0/0x11e0
[  358.673634]  ? preempt_notifier_register+0x200/0x200
[  358.678740]  ? __switch_to_asm+0x34/0x70
[  358.682799]  ? __switch_to_asm+0x34/0x70
[  358.686859]  ? __switch_to_asm+0x40/0x70
[  358.690915]  ? __switch_to_asm+0x34/0x70
[  358.694984]  ? __switch_to_asm+0x40/0x70
[  358.699050]  ? __switch_to_asm+0x34/0x70
[  358.703125]  ? __switch_to_asm+0x40/0x70
[  358.707213]  ? __switch_to_asm+0x34/0x70
[  358.711270]  ? __switch_to_asm+0x34/0x70
[  358.715328]  ? __switch_to_asm+0x40/0x70
[  358.719383]  ? __switch_to_asm+0x34/0x70
[  358.723444]  bpf_clone_redirect+0xb9/0x490
[  358.727682]  ? __schedule+0x8d7/0x21d0
[  358.731580]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  358.736600]  ? __sched_text_start+0x8/0x8
[  358.740766]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  358.745827]  ? retint_kernel+0x2d/0x2d
[  358.749718]  ? trace_hardirqs_on_caller+0xc0/0x310
[  358.754655]  ? find_held_lock+0x36/0x1c0
[  358.758745]  ? lock_acquire+0x1ed/0x520
[  358.762732]  ? bpf_test_run+0x3cb/0x780
[  358.766706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.772248]  ? check_preemption_disabled+0x48/0x280
[  358.777271]  ? kasan_check_read+0x11/0x20
[  358.781419]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.786694]  ? rcu_softirq_qs+0x20/0x20
[  358.790670]  ? preempt_schedule+0x4d/0x60
[  358.794817]  ? ___preempt_schedule+0x16/0x18
[  358.799237]  ? bpf_test_run+0x25d/0x780
[  358.803224]  ? netlink_diag_dump+0x2a0/0x2a0
[  358.807637]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.813176]  ? bpf_test_init.isra.10+0x70/0x100
[  358.817857]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  358.822625]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  358.827468]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  358.833007]  ? fput+0x130/0x1a0
[  358.836298]  ? __bpf_prog_get+0x9b/0x290
[  358.840364]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  358.845209]  ? bpf_prog_test_run+0x130/0x1a0
[  358.849621]  ? __x64_sys_bpf+0x3d8/0x520
[  358.853698]  ? bpf_prog_get+0x20/0x20
[  358.857517]  ? do_syscall_64+0x1b9/0x820
[  358.861579]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  358.866944]  ? syscall_return_slowpath+0x5e0/0x5e0
[  358.871871]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.876735]  ? trace_hardirqs_on_caller+0x310/0x310
[  358.881757]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  358.886774]  ? prepare_exit_to_usermode+0x291/0x3b0
[  358.891797]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.896646]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  358.902051] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  358.902056] warn_alloc_show_mem: 1 callbacks suppressed
[  358.902063] Mem-Info:
[  358.909075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  358.914440] active_anon:51179 inactive_anon:236 isolated_anon:0
[  358.914440]  active_file:17 inactive_file:9 isolated_file:0
[  358.914440]  unevictable:0 dirty:0 writeback:0 unstable:0
[  358.914440]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  358.914440]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  358.914440]  free:13694 free_pcp:258 free_cma:0
[  358.916809] Call Trace:
[  358.926196] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  358.958961]  <IRQ>
[  358.961527] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  358.989060]  dump_stack+0x244/0x39d
[  358.991182] lowmem_reserve[]: 0 2818 6321 6321
[  359.017287]  ? dump_stack_print_info.cold.1+0x20/0x20
[  359.020885] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  359.025471]  warn_alloc.cold.116+0xb7/0x1bd
[  359.030629] lowmem_reserve[]: 0 0 3503 3503
[  359.057771]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  359.062066] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  359.066381]  ? lock_downgrade+0x900/0x900
[  359.071219] lowmem_reserve[]: 0 0 0 0
[  359.100188]  ? trace_hardirqs_off+0xb8/0x310
[  359.104305] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  359.108111]  ? trace_hardirqs_off+0xb8/0x310
[  359.112515] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  359.126049]  __alloc_pages_slowpath+0x26e8/0x2e10
[  359.130458] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  359.145658]  ? warn_alloc+0x120/0x120
[  359.150462] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  359.164663]  ? print_usage_bug+0xc0/0xc0
[  359.168457] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  359.177291]  ? warn_alloc+0x120/0x120
[  359.181345] 309 total pagecache pages
[  359.189913]  ? warn_alloc+0x120/0x120
[  359.193694] 0 pages in swap cache
[  359.197517]  ? print_usage_bug+0xc0/0xc0
[  359.201301] Swap cache stats: add 0, delete 0, find 0/0
[  359.204742]  ? kvm_clock_read+0x18/0x30
[  359.208780] Free swap  = 0kB
[  359.214140]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  359.218089] Total swap = 0kB
[  359.221122]  ? print_usage_bug+0xc0/0xc0
[  359.226116] 1965979 pages RAM
[  359.229142]  ? __lock_acquire+0x62f/0x4c20
[  359.233176] 0 pages HighMem/MovableOnly
[  359.236276]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  359.240490] 342853 pages reserved
[  359.244456]  ? should_fail+0x22d/0xd01
[  359.249966] 0 pages cma reserved
[  359.253408]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  359.257331] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  359.260628]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  359.265961] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  359.272361]  ? __lock_acquire+0x62f/0x4c20
[  359.277453] syz-executor2 cpuset=syz2 mems_allowed=0
[  359.287942]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  359.302339]  ? __lock_acquire+0x62f/0x4c20
[  359.306572]  ? should_fail+0x22d/0xd01
[  359.310454]  ? rcu_irq_exit+0x1a2/0x390
[  359.314437]  ? mark_held_locks+0x130/0x130
[  359.318677]  ? mark_held_locks+0x130/0x130
[  359.322931]  ? mark_held_locks+0xc7/0x130
[  359.327096]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  359.332112]  ? zap_class+0x640/0x640
[  359.335827]  ? print_usage_bug+0xc0/0xc0
[  359.339891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.345427]  ? check_preemption_disabled+0x48/0x280
[  359.350455]  ? __lock_is_held+0xb5/0x140
[  359.354521]  __alloc_pages_nodemask+0xa80/0xde0
[  359.359188]  ? zap_class+0x640/0x640
[  359.362908]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  359.367950]  ? find_held_lock+0x36/0x1c0
[  359.372049]  ? ____cache_alloc_node+0x1c7/0x1e0
[  359.376720]  ? lock_downgrade+0x900/0x900
[  359.380875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.386424]  cache_grow_begin+0xa5/0x8c0
[  359.390489]  ? do_raw_spin_unlock+0xa7/0x330
[  359.394913]  fallback_alloc+0x204/0x2e0
[  359.398911]  ____cache_alloc_node+0x1c7/0x1e0
[  359.403415]  kmem_cache_alloc_node+0xe3/0x730
[  359.407944]  ? ipv6_get_ifaddr+0x42e/0x620
[  359.412187]  __alloc_skb+0x119/0x770
[  359.415900]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  359.421180]  ? netdev_alloc_frag+0x1f0/0x1f0
[  359.425588]  ? lock_downgrade+0x900/0x900
[  359.429771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.435325]  ? refcount_sub_and_test_checked+0x203/0x310
[  359.440778]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  359.446226]  ? addrconf_rs_timer+0x690/0x690
[  359.450645]  ndisc_alloc_skb+0x144/0x340
[  359.454708]  ndisc_send_rs+0x331/0x6e0
[  359.458599]  addrconf_rs_timer+0x314/0x690
[  359.462844]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.467105]  call_timer_fn+0x272/0x920
[  359.470997]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.475243]  ? process_timeout+0x40/0x40
[  359.479315]  ? mark_held_locks+0xc7/0x130
[  359.483463]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.487970]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.492487]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.496722]  ? lockdep_hardirqs_on+0x296/0x5b0
[  359.501309]  ? trace_hardirqs_on+0xbd/0x310
[  359.505633]  ? kasan_check_read+0x11/0x20
[  359.509780]  ? __run_timers+0x7da/0xc70
[  359.513753]  ? trace_hardirqs_off_caller+0x310/0x310
[  359.518861]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.523106]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.527340]  __run_timers+0x7e5/0xc70
[  359.531150]  ? timer_fixup_init+0x70/0x70
[  359.535299]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  359.540314]  ? zap_class+0x640/0x640
[  359.544038]  ? print_usage_bug+0xc0/0xc0
[  359.548104]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  359.553300]  ? find_held_lock+0x36/0x1c0
[  359.557370]  ? zap_class+0x640/0x640
[  359.561091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.566629]  ? check_preemption_disabled+0x48/0x280
[  359.571653]  ? __lock_is_held+0xb5/0x140
[  359.575744]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.581297]  ? check_preemption_disabled+0x48/0x280
[  359.586322]  run_timer_softirq+0x52/0xb0
[  359.590385]  ? rcu_read_lock_sched_held+0x14f/0x180
[  359.595404]  __do_softirq+0x308/0xb7e
[  359.599207]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  359.603788]  ? lock_downgrade+0x900/0x900
[  359.607944]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  359.613070]  ? pvclock_read_flags+0x160/0x160
[  359.617567]  ? lapic_next_event+0x5a/0x90
[  359.621751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.627292]  ? kvm_clock_read+0x18/0x30
[  359.631297]  ? kvm_sched_clock_read+0x9/0x20
[  359.635713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.641252]  ? check_preemption_disabled+0x48/0x280
[  359.646279]  irq_exit+0x17f/0x1c0
[  359.649731]  smp_apic_timer_interrupt+0x1cb/0x760
[  359.654574]  ? smp_reschedule_interrupt+0x109/0x650
[  359.659591]  ? smp_call_function_single_interrupt+0x650/0x650
[  359.665489]  ? interrupt_entry+0xb5/0xc0
[  359.669551]  ? trace_hardirqs_off_caller+0xbb/0x310
[  359.674567]  ? trace_hardirqs_off_caller+0xbb/0x310
[  359.679599]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.684442]  ? trace_hardirqs_on_caller+0x310/0x310
[  359.689469]  ? trace_hardirqs_on_caller+0x310/0x310
[  359.694483]  ? task_prio+0x50/0x50
[  359.698030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.703578]  ? check_preemption_disabled+0x48/0x280
[  359.708598]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.713451]  apic_timer_interrupt+0xf/0x20
[  359.717676]  </IRQ>
[  359.719914] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  359.725102] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  359.744003] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  359.751723] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  359.759029] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  359.766319] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  359.773600] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  359.780867] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  359.788167]  retint_kernel+0x1b/0x2d
[  359.791878] RIP: 0010:dump_stack+0x358/0x39d
[  359.796296] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  359.815210] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  359.822917] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  359.830184] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  359.837454] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  359.844720] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  359.852001] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  359.859314]  ? dump_stack+0x34f/0x39d
[  359.863145]  ? dump_stack_print_info.cold.1+0x20/0x20
[  359.868338]  ? mark_held_locks+0x130/0x130
[  359.872574]  ? mark_held_locks+0x130/0x130
[  359.876814]  dump_header+0x27b/0xf72
[  359.880537]  ? pagefault_out_of_memory+0x197/0x197
[  359.885475]  ? __lock_acquire+0x62f/0x4c20
[  359.889714]  ? percpu_ref_get_many+0x240/0x240
[  359.894328]  ? print_usage_bug+0xc0/0xc0
[  359.898394]  ? zap_class+0x640/0x640
[  359.902110]  ? print_usage_bug+0xc0/0xc0
[  359.906170]  ? print_usage_bug+0xc0/0xc0
[  359.910233]  ? zap_class+0x640/0x640
[  359.913978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.919524]  ? find_held_lock+0x36/0x1c0
[  359.923594]  ? mark_held_locks+0xc7/0x130
[  359.927760]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  359.932861]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  359.937962]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  359.942548]  ? trace_hardirqs_on+0xbd/0x310
[  359.946874]  ? kasan_check_read+0x11/0x20
[  359.951044]  ? ___ratelimit+0x3b4/0x672
[  359.955044]  ? trace_hardirqs_off_caller+0x310/0x310
[  359.960163]  ? trace_hardirqs_on+0x310/0x310
[  359.964575]  ? lock_downgrade+0x900/0x900
[  359.968730]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  359.973836]  ? ___ratelimit+0x3b9/0x672
[  359.977815]  ? idr_get_free+0xf70/0xf70
[  359.981798]  ? find_held_lock+0x36/0x1c0
[  359.985893]  oom_kill_process.cold.27+0x10/0x903
[  359.990643]  ? zap_class+0x640/0x640
[  359.994356]  ? check_preemption_disabled+0x48/0x280
[  359.999375]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  360.004307]  ? kasan_check_read+0x11/0x20
[  360.008452]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.013727]  ? oom_evaluate_task+0x540/0x540
[  360.018141]  ? find_held_lock+0x36/0x1c0
[  360.022209]  ? out_of_memory+0x974/0x1430
[  360.026357]  ? lock_downgrade+0x900/0x900
[  360.030508]  ? check_preemption_disabled+0x48/0x280
[  360.035526]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  360.040457]  ? kasan_check_read+0x11/0x20
[  360.044608]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.049887]  ? rcu_softirq_qs+0x20/0x20
[  360.053865]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.059400]  ? oom_evaluate_task+0x302/0x540
[  360.063810]  out_of_memory+0xa84/0x1430
[  360.067798]  ? oom_killer_disable+0x3a0/0x3a0
[  360.072292]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  360.077229]  ? __ww_mutex_check_waiters+0x160/0x160
[  360.082261]  __alloc_pages_slowpath+0x2354/0x2e10
[  360.087137]  ? warn_alloc+0x120/0x120
[  360.090955]  ? mark_held_locks+0x130/0x130
[  360.095231]  ? find_get_entry+0xaae/0x1120
[  360.099490]  ? filemap_map_pages+0x1a20/0x1a20
[  360.104091]  ? zap_class+0x640/0x640
[  360.107833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.113370]  ? check_preemption_disabled+0x48/0x280
[  360.118390]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.123926]  ? should_fail+0x22d/0xd01
[  360.127818]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.132923]  ? zap_class+0x640/0x640
[  360.136663]  ? __lock_is_held+0xb5/0x140
[  360.140761]  ? mark_held_locks+0x130/0x130
[  360.145014]  ? lock_release+0xa00/0xa00
[  360.149074]  ? perf_trace_sched_process_exec+0x860/0x860
[  360.154523]  ? xa_load+0x2ba/0x460
[  360.158082]  ? lock_downgrade+0x900/0x900
[  360.162239]  ? __might_sleep+0x95/0x190
[  360.166236]  __alloc_pages_nodemask+0xa80/0xde0
[  360.170913]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  360.175945]  ? __page_cache_alloc+0x191/0x5c0
[  360.180437]  ? xa_load+0x2e1/0x460
[  360.183982]  ? xa_clear_mark+0x40/0x40
[  360.187876]  ? zap_class+0x640/0x640
[  360.191614]  ? zap_class+0x640/0x640
[  360.195328]  ? zap_class+0x640/0x640
[  360.199053]  ? __do_page_cache_readahead+0x663/0x810
[  360.204160]  ? find_held_lock+0x36/0x1c0
[  360.208242]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  360.213801]  alloc_pages_current+0x173/0x350
[  360.218216]  __page_cache_alloc+0x38c/0x5c0
[  360.222539]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  360.227471]  ? kasan_check_read+0x11/0x20
[  360.231618]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.236894]  ? generic_perform_write+0x6a0/0x6a0
[  360.241668]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.247222]  ? check_preemption_disabled+0x48/0x280
[  360.252262]  filemap_fault+0x1595/0x25f0
[  360.256353]  ? __lock_page_or_retry+0xa00/0xa00
[  360.261090]  ? mark_held_locks+0x130/0x130
[  360.265334]  ? filemap_map_pages+0xd6b/0x1a20
[  360.269834]  ? lock_downgrade+0x900/0x900
[  360.273981]  ? check_preemption_disabled+0x48/0x280
[  360.279005]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  360.283973]  ? kasan_check_read+0x11/0x20
[  360.288116]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.293410]  ? rcu_softirq_qs+0x20/0x20
[  360.297411]  ? filemap_map_pages+0xd92/0x1a20
[  360.301924]  ? find_get_entries_tag+0x1400/0x1400
[  360.306769]  ? ep_scan_ready_list+0xbc7/0x1050
[  360.311352]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.316474]  ? lock_acquire+0x1ed/0x520
[  360.320450]  ? ext4_filemap_fault+0x7a/0xad
[  360.324800]  ? lock_release+0xa00/0xa00
[  360.328774]  ? perf_trace_sched_process_exec+0x860/0x860
[  360.334225]  ? print_usage_bug+0xc0/0xc0
[  360.338286]  ? print_usage_bug+0xc0/0xc0
[  360.342360]  ? down_read+0x8d/0x120
[  360.345983]  ? ext4_filemap_fault+0x7a/0xad
[  360.350309]  ? __down_interruptible+0x700/0x700
[  360.354991]  ext4_filemap_fault+0x82/0xad
[  360.359153]  __do_fault+0x100/0x6b0
[  360.362783]  ? pmd_devmap_trans_unstable+0x220/0x220
[  360.367892]  ? mark_held_locks+0x130/0x130
[  360.372132]  ? mark_held_locks+0x130/0x130
[  360.376364]  ? kasan_check_read+0x11/0x20
[  360.380516]  ? ep_poll+0xffa/0x13d0
[  360.384149]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.389259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.394802]  __handle_mm_fault+0x3ea0/0x5be0
[  360.399214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.404787]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  360.409629]  ? do_epoll_create+0x590/0x590
[  360.413891]  ? kasan_check_read+0x11/0x20
[  360.418047]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.423333]  ? rcu_softirq_qs+0x20/0x20
[  360.427332]  ? zap_class+0x640/0x640
[  360.431061]  ? zap_class+0x640/0x640
[  360.434793]  ? find_held_lock+0x36/0x1c0
[  360.438862]  ? handle_mm_fault+0x42a/0xc70
[  360.443103]  ? lock_downgrade+0x900/0x900
[  360.447286]  ? check_preemption_disabled+0x48/0x280
[  360.452347]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  360.457274]  ? kasan_check_read+0x11/0x20
[  360.461423]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.466701]  ? rcu_softirq_qs+0x20/0x20
[  360.470678]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.475780]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.481319]  ? check_preemption_disabled+0x48/0x280
[  360.486373]  handle_mm_fault+0x54f/0xc70
[  360.490440]  ? __handle_mm_fault+0x5be0/0x5be0
[  360.495034]  ? find_vma+0x34/0x190
[  360.498599]  __do_page_fault+0x5e8/0xe60
[  360.502662]  ? trace_hardirqs_off+0xb8/0x310
[  360.507071]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  360.512614]  do_page_fault+0xf2/0x7e0
[  360.516415]  ? vmalloc_sync_all+0x30/0x30
[  360.520565]  ? error_entry+0x70/0xd0
[  360.524293]  ? trace_hardirqs_off_caller+0xbb/0x310
[  360.529307]  ? trace_hardirqs_on_caller+0xc0/0x310
[  360.534247]  ? syscall_return_slowpath+0x5e0/0x5e0
[  360.539189]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.544047]  ? trace_hardirqs_on_caller+0x310/0x310
[  360.549066]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  360.554524]  ? prepare_exit_to_usermode+0x291/0x3b0
[  360.559540]  ? page_fault+0x8/0x30
[  360.563088]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.567933]  ? page_fault+0x8/0x30
[  360.571473]  page_fault+0x1e/0x30
[  360.574923] RIP: 0033:0x45df89
[  360.578128] Code: Bad RIP value.
[  360.581506] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  360.586881] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  360.594150] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  360.601416] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  360.608683] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  360.616376] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  360.623671] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  360.623737] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  360.631040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  360.631052] Call Trace:
[  360.637714] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  360.646884]  <IRQ>
[  360.649456] syz-fuzzer cpuset=/ mems_allowed=0
[  360.659676]  dump_stack+0x244/0x39d
[  360.670002]  ? dump_stack_print_info.cold.1+0x20/0x20
[  360.675216]  warn_alloc.cold.116+0xb7/0x1bd
[  360.679561]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  360.684410]  ? lock_downgrade+0x900/0x900
[  360.688572]  ? trace_hardirqs_off+0xb8/0x310
[  360.692986]  ? trace_hardirqs_off+0xb8/0x310
[  360.697410]  __alloc_pages_slowpath+0x26e8/0x2e10
[  360.702285]  ? warn_alloc+0x120/0x120
[  360.706094]  ? print_usage_bug+0xc0/0xc0
[  360.710157]  ? warn_alloc+0x120/0x120
[  360.713962]  ? warn_alloc+0x120/0x120
[  360.717766]  ? print_usage_bug+0xc0/0xc0
[  360.721825]  ? kvm_clock_read+0x18/0x30
[  360.725796]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  360.730816]  ? print_usage_bug+0xc0/0xc0
[  360.734895]  ? __lock_acquire+0x62f/0x4c20
[  360.739135]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.745174]  ? should_fail+0x22d/0xd01
[  360.749070]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.754352]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.759475]  ? __lock_acquire+0x62f/0x4c20
[  360.763711]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.768843]  ? __lock_acquire+0x62f/0x4c20
[  360.773077]  ? should_fail+0x22d/0xd01
[  360.776961]  ? rcu_irq_exit+0x1a2/0x390
[  360.780945]  ? mark_held_locks+0x130/0x130
[  360.785182]  ? mark_held_locks+0x130/0x130
[  360.789420]  ? mark_held_locks+0xc7/0x130
[  360.793572]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  360.798591]  ? zap_class+0x640/0x640
[  360.802308]  ? print_usage_bug+0xc0/0xc0
[  360.806376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.811915]  ? check_preemption_disabled+0x48/0x280
[  360.816944]  ? __lock_is_held+0xb5/0x140
[  360.821027]  __alloc_pages_nodemask+0xa80/0xde0
[  360.825698]  ? zap_class+0x640/0x640
[  360.829447]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  360.834491]  ? find_held_lock+0x36/0x1c0
[  360.838571]  ? ____cache_alloc_node+0x1c7/0x1e0
[  360.843240]  ? lock_downgrade+0x900/0x900
[  360.847396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.852966]  cache_grow_begin+0xa5/0x8c0
[  360.857032]  ? do_raw_spin_unlock+0xa7/0x330
[  360.861448]  fallback_alloc+0x204/0x2e0
[  360.865433]  ____cache_alloc_node+0x1c7/0x1e0
[  360.869935]  kmem_cache_alloc_node+0xe3/0x730
[  360.874434]  ? ipv6_get_ifaddr+0x42e/0x620
[  360.878678]  __alloc_skb+0x119/0x770
[  360.882422]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.887703]  ? netdev_alloc_frag+0x1f0/0x1f0
[  360.892115]  ? lock_downgrade+0x900/0x900
[  360.896277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.901821]  ? refcount_sub_and_test_checked+0x203/0x310
[  360.907275]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  360.912725]  ? addrconf_rs_timer+0x690/0x690
[  360.917147]  ndisc_alloc_skb+0x144/0x340
[  360.921217]  ndisc_send_rs+0x331/0x6e0
[  360.925116]  addrconf_rs_timer+0x314/0x690
[  360.929361]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.933607]  call_timer_fn+0x272/0x920
[  360.937499]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.941735]  ? process_timeout+0x40/0x40
[  360.945807]  ? __run_timers+0x7da/0xc70
[  360.949786]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.954276]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.958771]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.963004]  ? lockdep_hardirqs_on+0x296/0x5b0
[  360.967601]  ? trace_hardirqs_on+0xbd/0x310
[  360.971924]  ? kasan_check_read+0x11/0x20
[  360.976069]  ? __run_timers+0x7da/0xc70
[  360.980053]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.985164]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.989421]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.993664]  __run_timers+0x7e5/0xc70
[  360.997475]  ? timer_fixup_init+0x70/0x70
[  361.001626]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  361.006641]  ? zap_class+0x640/0x640
[  361.010358]  ? enqueue_hrtimer+0x1a5/0x560
[  361.014600]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  361.019816]  ? find_held_lock+0x36/0x1c0
[  361.023882]  ? zap_class+0x640/0x640
[  361.027604]  ? pvclock_read_flags+0x160/0x160
[  361.032101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.037646]  ? check_preemption_disabled+0x48/0x280
[  361.042691]  ? __lock_is_held+0xb5/0x140
[  361.046758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.052297]  ? check_preemption_disabled+0x48/0x280
[  361.057323]  run_timer_softirq+0x52/0xb0
[  361.061387]  ? rcu_read_lock_sched_held+0x14f/0x180
[  361.066436]  __do_softirq+0x308/0xb7e
[  361.070257]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  361.074751]  ? lock_downgrade+0x900/0x900
[  361.078901]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  361.084062]  ? pvclock_read_flags+0x160/0x160
[  361.088578]  ? lapic_next_event+0x5a/0x90
[  361.092731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.098276]  ? kvm_clock_read+0x18/0x30
[  361.102252]  ? kvm_sched_clock_read+0x9/0x20
[  361.106676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.112212]  ? check_preemption_disabled+0x48/0x280
[  361.117243]  irq_exit+0x17f/0x1c0
[  361.120701]  smp_apic_timer_interrupt+0x1cb/0x760
[  361.125562]  ? smp_reschedule_interrupt+0x109/0x650
[  361.130577]  ? smp_call_function_single_interrupt+0x650/0x650
[  361.136463]  ? interrupt_entry+0xb5/0xc0
[  361.140525]  ? trace_hardirqs_off_caller+0xbb/0x310
[  361.145547]  ? trace_hardirqs_off_caller+0xbb/0x310
[  361.150573]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.155415]  ? trace_hardirqs_on_caller+0x310/0x310
[  361.160433]  ? trace_hardirqs_on_caller+0x310/0x310
[  361.165465]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.170313]  apic_timer_interrupt+0xf/0x20
[  361.174546]  </IRQ>
[  361.176788] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  361.181718] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  361.200616] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  361.208324] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  361.215590] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  361.222859] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  361.230125] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  361.237397] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  361.244713]  skb_clone+0x1bb/0x500
[  361.248258]  ? finish_task_switch+0x2f4/0x910
[  361.252754]  ? skb_split+0x11e0/0x11e0
[  361.256646]  ? preempt_notifier_register+0x200/0x200
[  361.261761]  ? __switch_to_asm+0x34/0x70
[  361.265819]  ? __switch_to_asm+0x34/0x70
[  361.269876]  ? __switch_to_asm+0x40/0x70
[  361.273933]  ? __switch_to_asm+0x34/0x70
[  361.277995]  ? __switch_to_asm+0x40/0x70
[  361.282060]  ? __switch_to_asm+0x34/0x70
[  361.286119]  ? __switch_to_asm+0x40/0x70
[  361.290178]  ? __switch_to_asm+0x34/0x70
[  361.294236]  ? __switch_to_asm+0x34/0x70
[  361.298293]  ? __switch_to_asm+0x40/0x70
[  361.302360]  ? __switch_to_asm+0x34/0x70
[  361.306430]  bpf_clone_redirect+0xb9/0x490
[  361.310667]  ? __schedule+0x8d7/0x21d0
[  361.314566]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  361.319589]  ? __sched_text_start+0x8/0x8
[  361.323744]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  361.328324]  ? retint_kernel+0x2d/0x2d
[  361.332215]  ? trace_hardirqs_on_caller+0xc0/0x310
[  361.337149]  ? find_held_lock+0x36/0x1c0
[  361.341222]  ? lock_acquire+0x1ed/0x520
[  361.345198]  ? bpf_test_run+0x3cb/0x780
[  361.349173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.354717]  ? check_preemption_disabled+0x48/0x280
[  361.359739]  ? kasan_check_read+0x11/0x20
[  361.363885]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.369164]  ? rcu_softirq_qs+0x20/0x20
[  361.373144]  ? preempt_schedule+0x4d/0x60
[  361.377295]  ? ___preempt_schedule+0x16/0x18
[  361.381712]  ? bpf_test_run+0x25d/0x780
[  361.385699]  ? netlink_diag_dump+0x2a0/0x2a0
[  361.390112]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.395655]  ? bpf_test_init.isra.10+0x70/0x100
[  361.400331]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  361.405100]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  361.409961]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  361.415504]  ? fput+0x130/0x1a0
[  361.418795]  ? __bpf_prog_get+0x9b/0x290
[  361.422861]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  361.427707]  ? bpf_prog_test_run+0x130/0x1a0
[  361.432124]  ? __x64_sys_bpf+0x3d8/0x520
[  361.436184]  ? bpf_prog_get+0x20/0x20
[  361.440005]  ? do_syscall_64+0x1b9/0x820
[  361.444073]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  361.449442]  ? syscall_return_slowpath+0x5e0/0x5e0
[  361.454371]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.459216]  ? trace_hardirqs_on_caller+0x310/0x310
[  361.464232]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  361.469258]  ? prepare_exit_to_usermode+0x291/0x3b0
[  361.474286]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.479135]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  361.484524] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  361.484530] warn_alloc_show_mem: 1 callbacks suppressed
[  361.484536] Mem-Info:
[  361.491547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  361.491555] Call Trace:
[  361.496928] active_anon:51179 inactive_anon:236 isolated_anon:0
[  361.496928]  active_file:17 inactive_file:9 isolated_file:0
[  361.496928]  unevictable:0 dirty:0 writeback:0 unstable:0
[  361.496928]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  361.496928]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  361.496928]  free:13694 free_pcp:258 free_cma:0
[  361.499316]  <IRQ>
[  361.508689] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  361.511274]  dump_stack+0x244/0x39d
[  361.544042] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  361.546204]  ? dump_stack_print_info.cold.1+0x20/0x20
[  361.573675] lowmem_reserve[]: 0 2818 6321 6321
[  361.577305]  warn_alloc.cold.116+0xb7/0x1bd
[  361.603379] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  361.608563]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  361.613113] lowmem_reserve[]: 0 0 3503 3503
[  361.617440]  ? lock_downgrade+0x900/0x900
[  361.644591] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  361.649448]  ? trace_hardirqs_off+0xb8/0x310
[  361.653737] lowmem_reserve[]: 0 0 0 0
[  361.657881]  ? trace_hardirqs_off+0xb8/0x310
[  361.686826] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  361.691236]  __alloc_pages_slowpath+0x26e8/0x2e10
[  361.695008] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  361.699445]  ? warn_alloc+0x120/0x120
[  361.712917] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  361.717758]  ? print_usage_bug+0xc0/0xc0
[  361.732908] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  361.736711]  ? warn_alloc+0x120/0x120
[  361.750910] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  361.754964]  ? warn_alloc+0x120/0x120
[  361.763774] 309 total pagecache pages
[  361.767572]  ? print_usage_bug+0xc0/0xc0
[  361.776123] 0 pages in swap cache
[  361.779913]  ? kvm_clock_read+0x18/0x30
[  361.783694] Swap cache stats: add 0, delete 0, find 0/0
[  361.787760]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  361.791188] Free swap  = 0kB
[  361.795157]  ? print_usage_bug+0xc0/0xc0
[  361.800496] Total swap = 0kB
[  361.805507]  ? __lock_acquire+0x62f/0x4c20
[  361.808499] 1965979 pages RAM
[  361.812571]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.815563] 0 pages HighMem/MovableOnly
[  361.819790]  ? should_fail+0x22d/0xd01
[  361.822868] 342853 pages reserved
[  361.828396]  ? __lock_acquire+0x62f/0x4c20
[  361.832350] 0 pages cma reserved
[  361.836235]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.839722] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  361.843886]  ? __lock_acquire+0x62f/0x4c20
[  361.843906]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.843922]  ? __lock_acquire+0x62f/0x4c20
[  361.847326] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  361.852365]  ? should_fail+0x22d/0xd01
[  361.858832] syz-executor2 cpuset=syz2 mems_allowed=0
[  361.863070]  ? mark_held_locks+0x130/0x130
[  361.896009]  ? mark_held_locks+0x130/0x130
[  361.900269]  ? zap_class+0x640/0x640
[  361.903983]  ? print_usage_bug+0xc0/0xc0
[  361.908064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.913607]  ? check_preemption_disabled+0x48/0x280
[  361.918638]  ? __lock_is_held+0xb5/0x140
[  361.922706]  __alloc_pages_nodemask+0xa80/0xde0
[  361.927377]  ? zap_class+0x640/0x640
[  361.931097]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  361.936127]  ? find_held_lock+0x36/0x1c0
[  361.940203]  ? ____cache_alloc_node+0x1c7/0x1e0
[  361.944880]  ? lock_downgrade+0x900/0x900
[  361.949061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.954606]  cache_grow_begin+0xa5/0x8c0
[  361.958674]  ? do_raw_spin_unlock+0xa7/0x330
[  361.963094]  fallback_alloc+0x204/0x2e0
[  361.967083]  ____cache_alloc_node+0x1c7/0x1e0
[  361.971590]  kmem_cache_alloc_node+0xe3/0x730
[  361.976085]  ? ipv6_get_ifaddr+0x42e/0x620
[  361.980336]  __alloc_skb+0x119/0x770
[  361.984061]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  361.989347]  ? netdev_alloc_frag+0x1f0/0x1f0
[  361.993755]  ? lock_downgrade+0x900/0x900
[  361.999648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.005191]  ? refcount_sub_and_test_checked+0x203/0x310
[  362.010651]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  362.016104]  ? addrconf_rs_timer+0x690/0x690
[  362.020530]  ndisc_alloc_skb+0x144/0x340
[  362.024598]  ndisc_send_rs+0x331/0x6e0
[  362.028515]  addrconf_rs_timer+0x314/0x690
[  362.032759]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.037005]  call_timer_fn+0x272/0x920
[  362.040906]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.045146]  ? process_timeout+0x40/0x40
[  362.049222]  ? mark_held_locks+0xc7/0x130
[  362.053373]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.057867]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.062359]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.066593]  ? lockdep_hardirqs_on+0x296/0x5b0
[  362.071185]  ? trace_hardirqs_on+0xbd/0x310
[  362.075512]  ? kasan_check_read+0x11/0x20
[  362.079660]  ? __run_timers+0x7da/0xc70
[  362.083637]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.088759]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.092992]  __run_timers+0x7e5/0xc70
[  362.096813]  ? timer_fixup_init+0x70/0x70
[  362.100977]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  362.105995]  ? zap_class+0x640/0x640
[  362.109723]  ? print_usage_bug+0xc0/0xc0
[  362.113791]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  362.118990]  ? find_held_lock+0x36/0x1c0
[  362.123069]  ? zap_class+0x640/0x640
[  362.126799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.132340]  ? check_preemption_disabled+0x48/0x280
[  362.137366]  ? __lock_is_held+0xb5/0x140
[  362.141435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.146974]  ? check_preemption_disabled+0x48/0x280
[  362.151997]  run_timer_softirq+0x52/0xb0
[  362.156072]  ? rcu_read_lock_sched_held+0x14f/0x180
[  362.161093]  __do_softirq+0x308/0xb7e
[  362.164898]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  362.169396]  ? lock_downgrade+0x900/0x900
[  362.173553]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  362.178665]  ? pvclock_read_flags+0x160/0x160
[  362.183167]  ? lapic_next_event+0x5a/0x90
[  362.187322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.192864]  ? kvm_clock_read+0x18/0x30
[  362.196841]  ? kvm_sched_clock_read+0x9/0x20
[  362.201255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.206797]  ? check_preemption_disabled+0x48/0x280
[  362.211828]  irq_exit+0x17f/0x1c0
[  362.215290]  smp_apic_timer_interrupt+0x1cb/0x760
[  362.220131]  ? smp_reschedule_interrupt+0x109/0x650
[  362.225152]  ? smp_call_function_single_interrupt+0x650/0x650
[  362.231050]  ? interrupt_entry+0xb5/0xc0
[  362.235116]  ? trace_hardirqs_off_caller+0xbb/0x310
[  362.240140]  ? trace_hardirqs_off_caller+0xbb/0x310
[  362.245158]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.250000]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.255036]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.260063]  ? task_prio+0x50/0x50
[  362.263605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.269149]  ? check_preemption_disabled+0x48/0x280
[  362.274174]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.279035]  apic_timer_interrupt+0xf/0x20
[  362.283274]  </IRQ>
[  362.285520] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  362.290725] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  362.309630] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  362.317339] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  362.324611] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  362.331884] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  362.339154] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  362.346425] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  362.353731]  retint_kernel+0x1b/0x2d
[  362.357449] RIP: 0010:dump_stack+0x358/0x39d
[  362.361862] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  362.380764] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  362.388475] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  362.395746] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  362.403022] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  362.410293] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  362.417558] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  362.424850]  ? dump_stack+0x34f/0x39d
[  362.428668]  ? dump_stack_print_info.cold.1+0x20/0x20
[  362.433872]  ? mark_held_locks+0x130/0x130
[  362.438107]  ? mark_held_locks+0x130/0x130
[  362.442346]  dump_header+0x27b/0xf72
[  362.446096]  ? pagefault_out_of_memory+0x197/0x197
[  362.451047]  ? __lock_acquire+0x62f/0x4c20
[  362.455286]  ? percpu_ref_get_many+0x240/0x240
[  362.459876]  ? print_usage_bug+0xc0/0xc0
[  362.463944]  ? zap_class+0x640/0x640
[  362.467661]  ? print_usage_bug+0xc0/0xc0
[  362.471721]  ? print_usage_bug+0xc0/0xc0
[  362.475784]  ? zap_class+0x640/0x640
[  362.479505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.485076]  ? find_held_lock+0x36/0x1c0
[  362.489153]  ? mark_held_locks+0xc7/0x130
[  362.493308]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  362.498414]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  362.503525]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  362.508130]  ? trace_hardirqs_on+0xbd/0x310
[  362.512458]  ? kasan_check_read+0x11/0x20
[  362.516606]  ? ___ratelimit+0x3b4/0x672
[  362.520581]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.525692]  ? trace_hardirqs_on+0x310/0x310
[  362.530108]  ? lock_downgrade+0x900/0x900
[  362.534261]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  362.539372]  ? ___ratelimit+0x3b9/0x672
[  362.543354]  ? idr_get_free+0xf70/0xf70
[  362.547330]  ? find_held_lock+0x36/0x1c0
[  362.551408]  oom_kill_process.cold.27+0x10/0x903
[  362.556167]  ? zap_class+0x640/0x640
[  362.559887]  ? check_preemption_disabled+0x48/0x280
[  362.564910]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  362.569840]  ? kasan_check_read+0x11/0x20
[  362.573989]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.579280]  ? oom_evaluate_task+0x540/0x540
[  362.583692]  ? find_held_lock+0x36/0x1c0
[  362.587762]  ? out_of_memory+0x974/0x1430
[  362.591916]  ? lock_downgrade+0x900/0x900
[  362.596068]  ? check_preemption_disabled+0x48/0x280
[  362.601090]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  362.606030]  ? kasan_check_read+0x11/0x20
[  362.610184]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.615954]  ? rcu_softirq_qs+0x20/0x20
[  362.619934]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.625471]  ? oom_evaluate_task+0x302/0x540
[  362.629887]  out_of_memory+0xa84/0x1430
[  362.633871]  ? oom_killer_disable+0x3a0/0x3a0
[  362.638368]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  362.643301]  ? __ww_mutex_check_waiters+0x160/0x160
[  362.648329]  __alloc_pages_slowpath+0x2354/0x2e10
[  362.653205]  ? warn_alloc+0x120/0x120
[  362.657006]  ? mark_held_locks+0x130/0x130
[  362.661259]  ? find_get_entry+0xaae/0x1120
[  362.665503]  ? filemap_map_pages+0x1a20/0x1a20
[  362.670094]  ? zap_class+0x640/0x640
[  362.673817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.679359]  ? check_preemption_disabled+0x48/0x280
[  362.684389]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.689927]  ? should_fail+0x22d/0xd01
[  362.693823]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.698929]  ? zap_class+0x640/0x640
[  362.702673]  ? __lock_is_held+0xb5/0x140
[  362.706743]  ? mark_held_locks+0x130/0x130
[  362.710982]  ? lock_release+0xa00/0xa00
[  362.714959]  ? perf_trace_sched_process_exec+0x860/0x860
[  362.720413]  ? xa_load+0x2ba/0x460
[  362.723956]  ? lock_downgrade+0x900/0x900
[  362.728113]  ? __might_sleep+0x95/0x190
[  362.732094]  __alloc_pages_nodemask+0xa80/0xde0
[  362.736774]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  362.741792]  ? __page_cache_alloc+0x191/0x5c0
[  362.746438]  ? xa_load+0x2e1/0x460
[  362.749983]  ? xa_clear_mark+0x40/0x40
[  362.753879]  ? zap_class+0x640/0x640
[  362.757602]  ? zap_class+0x640/0x640
[  362.761316]  ? zap_class+0x640/0x640
[  362.765047]  ? __do_page_cache_readahead+0x663/0x810
[  362.770160]  ? find_held_lock+0x36/0x1c0
[  362.774228]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  362.779775]  alloc_pages_current+0x173/0x350
[  362.784196]  __page_cache_alloc+0x38c/0x5c0
[  362.788521]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  362.793450]  ? kasan_check_read+0x11/0x20
[  362.797602]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.802882]  ? generic_perform_write+0x6a0/0x6a0
[  362.807649]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.813188]  ? check_preemption_disabled+0x48/0x280
[  362.818217]  filemap_fault+0x1595/0x25f0
[  362.822291]  ? __lock_page_or_retry+0xa00/0xa00
[  362.826963]  ? mark_held_locks+0x130/0x130
[  362.831210]  ? filemap_map_pages+0xd6b/0x1a20
[  362.835717]  ? lock_downgrade+0x900/0x900
[  362.839868]  ? check_preemption_disabled+0x48/0x280
[  362.844891]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  362.849821]  ? kasan_check_read+0x11/0x20
[  362.853976]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.859257]  ? rcu_softirq_qs+0x20/0x20
[  362.863244]  ? filemap_map_pages+0xd92/0x1a20
[  362.867754]  ? find_get_entries_tag+0x1400/0x1400
[  362.872600]  ? ep_scan_ready_list+0xbc7/0x1050
[  362.877186]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.882305]  ? lock_acquire+0x1ed/0x520
[  362.886279]  ? ext4_filemap_fault+0x7a/0xad
[  362.890608]  ? lock_release+0xa00/0xa00
[  362.894586]  ? perf_trace_sched_process_exec+0x860/0x860
[  362.900057]  ? print_usage_bug+0xc0/0xc0
[  362.904121]  ? print_usage_bug+0xc0/0xc0
[  362.908194]  ? down_read+0x8d/0x120
[  362.911818]  ? ext4_filemap_fault+0x7a/0xad
[  362.916145]  ? __down_interruptible+0x700/0x700
[  362.920824]  ext4_filemap_fault+0x82/0xad
[  362.924975]  __do_fault+0x100/0x6b0
[  362.928611]  ? pmd_devmap_trans_unstable+0x220/0x220
[  362.933717]  ? mark_held_locks+0x130/0x130
[  362.937951]  ? mark_held_locks+0x130/0x130
[  362.942188]  ? kasan_check_read+0x11/0x20
[  362.946341]  ? ep_poll+0xffa/0x13d0
[  362.949969]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.955085]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.960630]  __handle_mm_fault+0x3ea0/0x5be0
[  362.965055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.970607]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  362.975455]  ? do_epoll_create+0x590/0x590
[  362.979690]  ? kasan_check_read+0x11/0x20
[  362.983841]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.989116]  ? rcu_softirq_qs+0x20/0x20
[  362.993105]  ? zap_class+0x640/0x640
[  362.996818]  ? zap_class+0x640/0x640
[  363.000539]  ? find_held_lock+0x36/0x1c0
[  363.004610]  ? handle_mm_fault+0x42a/0xc70
[  363.008846]  ? lock_downgrade+0x900/0x900
[  363.012996]  ? check_preemption_disabled+0x48/0x280
[  363.018028]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  363.022963]  ? kasan_check_read+0x11/0x20
[  363.027113]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.032396]  ? rcu_softirq_qs+0x20/0x20
[  363.036384]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.041492]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.047051]  ? check_preemption_disabled+0x48/0x280
[  363.052087]  handle_mm_fault+0x54f/0xc70
[  363.056158]  ? __handle_mm_fault+0x5be0/0x5be0
[  363.060745]  ? find_vma+0x34/0x190
[  363.064291]  __do_page_fault+0x5e8/0xe60
[  363.068356]  ? trace_hardirqs_off+0xb8/0x310
[  363.072764]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  363.078316]  do_page_fault+0xf2/0x7e0
[  363.082123]  ? vmalloc_sync_all+0x30/0x30
[  363.086276]  ? error_entry+0x70/0xd0
[  363.089993]  ? trace_hardirqs_off_caller+0xbb/0x310
[  363.095023]  ? trace_hardirqs_on_caller+0xc0/0x310
[  363.099958]  ? syscall_return_slowpath+0x5e0/0x5e0
[  363.104885]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.109731]  ? trace_hardirqs_on_caller+0x310/0x310
[  363.114746]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  363.120202]  ? prepare_exit_to_usermode+0x291/0x3b0
[  363.125224]  ? page_fault+0x8/0x30
[  363.128767]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.133611]  ? page_fault+0x8/0x30
[  363.137154]  page_fault+0x1e/0x30
[  363.140612] RIP: 0033:0x45df89
[  363.143817] Code: Bad RIP value.
[  363.147616] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  363.153070] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  363.160340] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  363.167607] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  363.174876] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  363.182144] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  363.189442] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  363.189504] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  363.196808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  363.196813] Call Trace:
[  363.196820]  <IRQ>
[  363.196842]  dump_stack+0x244/0x39d
[  363.196863]  ? dump_stack_print_info.cold.1+0x20/0x20
[  363.203436] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  363.212699]  warn_alloc.cold.116+0xb7/0x1bd
[  363.215250] syz-fuzzer cpuset=/ mems_allowed=0
[  363.217398]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  363.250461]  ? lock_downgrade+0x900/0x900
[  363.254630]  ? trace_hardirqs_off+0xb8/0x310
[  363.259048]  ? trace_hardirqs_off+0xb8/0x310
[  363.263473]  __alloc_pages_slowpath+0x26e8/0x2e10
[  363.268362]  ? warn_alloc+0x120/0x120
[  363.272165]  ? print_usage_bug+0xc0/0xc0
[  363.276227]  ? warn_alloc+0x120/0x120
[  363.280041]  ? warn_alloc+0x120/0x120
[  363.283860]  ? print_usage_bug+0xc0/0xc0
[  363.287925]  ? print_usage_bug+0xc0/0xc0
[  363.291986]  ? __lock_acquire+0x62f/0x4c20
[  363.296239]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.301777]  ? should_fail+0x22d/0xd01
[  363.305675]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  363.310784]  ? __lock_acquire+0x62f/0x4c20
[  363.315033]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  363.320140]  ? __lock_acquire+0x62f/0x4c20
[  363.324373]  ? should_fail+0x22d/0xd01
[  363.328258]  ? find_held_lock+0x36/0x1c0
[  363.332330]  ? mark_held_locks+0x130/0x130
[  363.336577]  ? mark_held_locks+0x130/0x130
[  363.340814]  ? zap_class+0x640/0x640
[  363.344532]  ? zap_class+0x640/0x640
[  363.348253]  ? print_usage_bug+0xc0/0xc0
[  363.352319]  ? do_raw_spin_unlock+0xa7/0x330
[  363.356729]  ? zap_class+0x640/0x640
[  363.360444]  ? print_usage_bug+0xc0/0xc0
[  363.364506]  ? wq_watchdog_touch+0x9c/0xfe
[  363.368749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.374289]  ? check_preemption_disabled+0x48/0x280
[  363.379313]  ? __lock_is_held+0xb5/0x140
[  363.383383]  __alloc_pages_nodemask+0xa80/0xde0
[  363.388064]  ? zap_class+0x640/0x640
[  363.391782]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  363.396811]  ? find_held_lock+0x36/0x1c0
[  363.400887]  ? ____cache_alloc_node+0x1c7/0x1e0
[  363.405563]  ? lock_downgrade+0x900/0x900
[  363.409724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.415275]  cache_grow_begin+0xa5/0x8c0
[  363.419351]  ? do_raw_spin_unlock+0xa7/0x330
[  363.423770]  fallback_alloc+0x204/0x2e0
[  363.427754]  ____cache_alloc_node+0x1c7/0x1e0
[  363.432260]  kmem_cache_alloc_node+0xe3/0x730
[  363.436761]  ? ipv6_get_ifaddr+0x42e/0x620
[  363.441008]  __alloc_skb+0x119/0x770
[  363.444734]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.450022]  ? netdev_alloc_frag+0x1f0/0x1f0
[  363.454432]  ? lock_downgrade+0x900/0x900
[  363.458589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.464127]  ? refcount_sub_and_test_checked+0x203/0x310
[  363.469585]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  363.475046]  ? addrconf_rs_timer+0x690/0x690
[  363.479469]  ndisc_alloc_skb+0x144/0x340
[  363.483545]  ndisc_send_rs+0x331/0x6e0
[  363.487440]  addrconf_rs_timer+0x314/0x690
[  363.491686]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.495934]  call_timer_fn+0x272/0x920
[  363.499820]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.504058]  ? process_timeout+0x40/0x40
[  363.508129]  ? __run_timers+0x7da/0xc70
[  363.512107]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.516599]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.521097]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.525332]  ? lockdep_hardirqs_on+0x296/0x5b0
[  363.529921]  ? trace_hardirqs_on+0xbd/0x310
[  363.534246]  ? kasan_check_read+0x11/0x20
[  363.538396]  ? __run_timers+0x7da/0xc70
[  363.542381]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.547491]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.551731]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.555964]  __run_timers+0x7e5/0xc70
[  363.559778]  ? timer_fixup_init+0x70/0x70
[  363.563929]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  363.568949]  ? zap_class+0x640/0x640
[  363.572670]  ? enqueue_hrtimer+0x1a5/0x560
[  363.576910]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  363.582107]  ? find_held_lock+0x36/0x1c0
[  363.586174]  ? zap_class+0x640/0x640
[  363.589896]  ? pvclock_read_flags+0x160/0x160
[  363.594398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.599943]  ? check_preemption_disabled+0x48/0x280
[  363.604971]  ? __lock_is_held+0xb5/0x140
[  363.609043]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.614589]  ? check_preemption_disabled+0x48/0x280
[  363.619618]  run_timer_softirq+0x52/0xb0
[  363.623682]  ? rcu_read_lock_sched_held+0x14f/0x180
[  363.628702]  __do_softirq+0x308/0xb7e
[  363.632510]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  363.637010]  ? lock_downgrade+0x900/0x900
[  363.641176]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  363.646378]  ? pvclock_read_flags+0x160/0x160
[  363.650883]  ? lapic_next_event+0x5a/0x90
[  363.655050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.660598]  ? kvm_clock_read+0x18/0x30
[  363.664572]  ? kvm_sched_clock_read+0x9/0x20
[  363.668983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.674530]  ? check_preemption_disabled+0x48/0x280
[  363.679569]  irq_exit+0x17f/0x1c0
[  363.683036]  smp_apic_timer_interrupt+0x1cb/0x760
[  363.687881]  ? smp_reschedule_interrupt+0x109/0x650
[  363.692899]  ? smp_call_function_single_interrupt+0x650/0x650
[  363.698782]  ? interrupt_entry+0xb5/0xc0
[  363.702847]  ? trace_hardirqs_off_caller+0xbb/0x310
[  363.707865]  ? trace_hardirqs_off_caller+0xbb/0x310
[  363.712882]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.717726]  ? trace_hardirqs_on_caller+0x310/0x310
[  363.722747]  ? trace_hardirqs_on_caller+0x310/0x310
[  363.727776]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.732633]  apic_timer_interrupt+0xf/0x20
[  363.736862]  </IRQ>
[  363.739143] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  363.744072] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  363.762980] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  363.770703] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  363.777975] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  363.785243] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  363.792510] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  363.799779] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  363.807095]  skb_clone+0x1bb/0x500
[  363.810642]  ? finish_task_switch+0x2f4/0x910
[  363.815146]  ? skb_split+0x11e0/0x11e0
[  363.819044]  ? preempt_notifier_register+0x200/0x200
[  363.824151]  ? __switch_to_asm+0x34/0x70
[  363.828210]  ? __switch_to_asm+0x34/0x70
[  363.832272]  ? __switch_to_asm+0x40/0x70
[  363.836330]  ? __switch_to_asm+0x34/0x70
[  363.840392]  ? __switch_to_asm+0x40/0x70
[  363.844454]  ? __switch_to_asm+0x34/0x70
[  363.848512]  ? __switch_to_asm+0x40/0x70
[  363.852572]  ? __switch_to_asm+0x34/0x70
[  363.856635]  ? __switch_to_asm+0x34/0x70
[  363.860700]  ? __switch_to_asm+0x40/0x70
[  363.864761]  ? __switch_to_asm+0x34/0x70
[  363.868827]  bpf_clone_redirect+0xb9/0x490
[  363.873065]  ? __schedule+0x8d7/0x21d0
[  363.876962]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  363.881980]  ? __sched_text_start+0x8/0x8
[  363.886133]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  363.890714]  ? retint_kernel+0x2d/0x2d
[  363.894606]  ? trace_hardirqs_on_caller+0xc0/0x310
[  363.899551]  ? find_held_lock+0x36/0x1c0
[  363.903626]  ? lock_acquire+0x1ed/0x520
[  363.907606]  ? bpf_test_run+0x3cb/0x780
[  363.911586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.917126]  ? check_preemption_disabled+0x48/0x280
[  363.922149]  ? kasan_check_read+0x11/0x20
[  363.926299]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.931578]  ? rcu_softirq_qs+0x20/0x20
[  363.935562]  ? preempt_schedule+0x4d/0x60
[  363.939713]  ? ___preempt_schedule+0x16/0x18
[  363.944131]  ? bpf_test_run+0x25d/0x780
[  363.948122]  ? netlink_diag_dump+0x2a0/0x2a0
[  363.952536]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.958080]  ? bpf_test_init.isra.10+0x70/0x100
[  363.962755]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  363.967521]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  363.972370]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  363.977909]  ? fput+0x130/0x1a0
[  363.981191]  ? __bpf_prog_get+0x9b/0x290
[  363.985256]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  363.990110]  ? bpf_prog_test_run+0x130/0x1a0
[  363.994525]  ? __x64_sys_bpf+0x3d8/0x520
[  363.998590]  ? bpf_prog_get+0x20/0x20
[  364.002430]  ? do_syscall_64+0x1b9/0x820
[  364.006495]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  364.011862]  ? syscall_return_slowpath+0x5e0/0x5e0
[  364.016791]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.021637]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.026656]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  364.031695]  ? prepare_exit_to_usermode+0x291/0x3b0
[  364.036720]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.041577]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  364.046962] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  364.046967] warn_alloc_show_mem: 1 callbacks suppressed
[  364.046975] Mem-Info:
[  364.053986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  364.059356] active_anon:51179 inactive_anon:236 isolated_anon:0
[  364.059356]  active_file:17 inactive_file:9 isolated_file:0
[  364.059356]  unevictable:0 dirty:0 writeback:0 unstable:0
[  364.059356]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  364.059356]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  364.059356]  free:13694 free_pcp:258 free_cma:0
[  364.061729] Call Trace:
[  364.071122] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  364.103883]  <IRQ>
[  364.106461] 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
[  364.133965]  dump_stack+0x244/0x39d
[  364.136086] lowmem_reserve[]: 0 2818 6321 6321
[  364.162206]  ? dump_stack_print_info.cold.1+0x20/0x20
[  364.165800] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  364.170386]  warn_alloc.cold.116+0xb7/0x1bd
[  364.175543] lowmem_reserve[]: 0 0 3503 3503
[  364.202699]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  364.206999] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  364.211322]  ? lock_downgrade+0x900/0x900
[  364.216139] lowmem_reserve[]: 0 0 0 0
[  364.245125]  ? trace_hardirqs_off+0xb8/0x310
[  364.249243] 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
[  364.253052]  ? trace_hardirqs_off+0xb8/0x310
[  364.257425] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  364.270954]  __alloc_pages_slowpath+0x26e8/0x2e10
[  364.275329] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  364.290522]  ? warn_alloc+0x120/0x120
[  364.295318] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  364.309526]  ? print_usage_bug+0xc0/0xc0
[  364.313306] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  364.322135]  ? warn_alloc+0x120/0x120
[  364.326166] 309 total pagecache pages
[  364.334735]  ? warn_alloc+0x120/0x120
[  364.338512] 0 pages in swap cache
[  364.342305]  ? print_usage_bug+0xc0/0xc0
[  364.346081] Swap cache stats: add 0, delete 0, find 0/0
[  364.349527]  ? kvm_clock_read+0x18/0x30
[  364.353563] Free swap  = 0kB
[  364.358922]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  364.362867] Total swap = 0kB
[  364.365880]  ? print_usage_bug+0xc0/0xc0
[  364.370874] 1965979 pages RAM
[  364.373895]  ? __lock_acquire+0x62f/0x4c20
[  364.377930] 0 pages HighMem/MovableOnly
[  364.381044]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.385244] 342853 pages reserved
[  364.389210]  ? should_fail+0x22d/0xd01
[  364.394724] 0 pages cma reserved
[  364.398170]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.402098] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  364.405398]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.405415]  ? __lock_acquire+0x62f/0x4c20
[  364.405433]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.410747] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  364.417178]  ? __lock_acquire+0x62f/0x4c20
[  364.422253] syz-executor2 cpuset=syz2 mems_allowed=0
[  364.426483]  ? should_fail+0x22d/0xd01
[  364.455318]  ? rcu_irq_exit+0x1a2/0x390
[  364.459309]  ? mark_held_locks+0x130/0x130
[  364.463552]  ? mark_held_locks+0x130/0x130
[  364.467799]  ? mark_held_locks+0xc7/0x130
[  364.471948]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  364.476967]  ? zap_class+0x640/0x640
[  364.480679]  ? print_usage_bug+0xc0/0xc0
[  364.484748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.490291]  ? check_preemption_disabled+0x48/0x280
[  364.495318]  ? __lock_is_held+0xb5/0x140
[  364.499389]  __alloc_pages_nodemask+0xa80/0xde0
[  364.504068]  ? zap_class+0x640/0x640
[  364.507788]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  364.512814]  ? find_held_lock+0x36/0x1c0
[  364.516887]  ? ____cache_alloc_node+0x1c7/0x1e0
[  364.521560]  ? lock_downgrade+0x900/0x900
[  364.525716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.531261]  cache_grow_begin+0xa5/0x8c0
[  364.535323]  ? do_raw_spin_unlock+0xa7/0x330
[  364.539739]  fallback_alloc+0x204/0x2e0
[  364.543721]  ____cache_alloc_node+0x1c7/0x1e0
[  364.548225]  kmem_cache_alloc_node+0xe3/0x730
[  364.552723]  ? ipv6_get_ifaddr+0x42e/0x620
[  364.556969]  __alloc_skb+0x119/0x770
[  364.560681]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.565967]  ? netdev_alloc_frag+0x1f0/0x1f0
[  364.570375]  ? lock_downgrade+0x900/0x900
[  364.574532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.580089]  ? refcount_sub_and_test_checked+0x203/0x310
[  364.585544]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  364.591002]  ? addrconf_rs_timer+0x690/0x690
[  364.595434]  ndisc_alloc_skb+0x144/0x340
[  364.599504]  ndisc_send_rs+0x331/0x6e0
[  364.603397]  addrconf_rs_timer+0x314/0x690
[  364.607640]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.612395]  call_timer_fn+0x272/0x920
[  364.616284]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.620520]  ? process_timeout+0x40/0x40
[  364.624595]  ? mark_held_locks+0xc7/0x130
[  364.628748]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.633243]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.637736]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.641974]  ? lockdep_hardirqs_on+0x296/0x5b0
[  364.646559]  ? trace_hardirqs_on+0xbd/0x310
[  364.650882]  ? kasan_check_read+0x11/0x20
[  364.655036]  ? __run_timers+0x7da/0xc70
[  364.659025]  ? trace_hardirqs_off_caller+0x310/0x310
[  364.664156]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.668401]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.672637]  __run_timers+0x7e5/0xc70
[  364.676450]  ? timer_fixup_init+0x70/0x70
[  364.680604]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  364.685623]  ? zap_class+0x640/0x640
[  364.689342]  ? print_usage_bug+0xc0/0xc0
[  364.693404]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  364.698605]  ? find_held_lock+0x36/0x1c0
[  364.702672]  ? zap_class+0x640/0x640
[  364.706393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.711934]  ? check_preemption_disabled+0x48/0x280
[  364.716959]  ? __lock_is_held+0xb5/0x140
[  364.721032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.726579]  ? check_preemption_disabled+0x48/0x280
[  364.731604]  run_timer_softirq+0x52/0xb0
[  364.735666]  ? rcu_read_lock_sched_held+0x14f/0x180
[  364.740683]  __do_softirq+0x308/0xb7e
[  364.744691]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  364.749190]  ? lock_downgrade+0x900/0x900
[  364.753346]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  364.758463]  ? pvclock_read_flags+0x160/0x160
[  364.762966]  ? lapic_next_event+0x5a/0x90
[  364.767118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.772661]  ? kvm_clock_read+0x18/0x30
[  364.776638]  ? kvm_sched_clock_read+0x9/0x20
[  364.781073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.786627]  ? check_preemption_disabled+0x48/0x280
[  364.791669]  irq_exit+0x17f/0x1c0
[  364.795140]  smp_apic_timer_interrupt+0x1cb/0x760
[  364.799981]  ? smp_reschedule_interrupt+0x109/0x650
[  364.805003]  ? smp_call_function_single_interrupt+0x650/0x650
[  364.810902]  ? interrupt_entry+0xb5/0xc0
[  364.814966]  ? trace_hardirqs_off_caller+0xbb/0x310
[  364.819981]  ? trace_hardirqs_off_caller+0xbb/0x310
[  364.825004]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.829858]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.834896]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.839918]  ? task_prio+0x50/0x50
[  364.843461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.849005]  ? check_preemption_disabled+0x48/0x280
[  364.854052]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.858911]  apic_timer_interrupt+0xf/0x20
[  364.863138]  </IRQ>
[  364.865376] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  364.870566] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  364.889464] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  364.897171] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  364.904440] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  364.911737] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  364.919003] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  364.926281] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  364.933591]  retint_kernel+0x1b/0x2d
[  364.937311] RIP: 0010:dump_stack+0x358/0x39d
[  364.941724] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  364.960622] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  364.968329] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  364.975595] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  364.982860] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  364.990125] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  364.997392] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  365.004687]  ? dump_stack+0x34f/0x39d
[  365.008502]  ? dump_stack_print_info.cold.1+0x20/0x20
[  365.013702]  ? mark_held_locks+0x130/0x130
[  365.017939]  ? mark_held_locks+0x130/0x130
[  365.022182]  dump_header+0x27b/0xf72
[  365.025913]  ? pagefault_out_of_memory+0x197/0x197
[  365.030849]  ? __lock_acquire+0x62f/0x4c20
[  365.035089]  ? percpu_ref_get_many+0x240/0x240
[  365.039675]  ? print_usage_bug+0xc0/0xc0
[  365.043742]  ? zap_class+0x640/0x640
[  365.047458]  ? print_usage_bug+0xc0/0xc0
[  365.051517]  ? print_usage_bug+0xc0/0xc0
[  365.055582]  ? zap_class+0x640/0x640
[  365.059301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.064844]  ? find_held_lock+0x36/0x1c0
[  365.068915]  ? mark_held_locks+0xc7/0x130
[  365.073069]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  365.078171]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  365.083274]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  365.087857]  ? trace_hardirqs_on+0xbd/0x310
[  365.092179]  ? kasan_check_read+0x11/0x20
[  365.096325]  ? ___ratelimit+0x3b4/0x672
[  365.100309]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.105416]  ? trace_hardirqs_on+0x310/0x310
[  365.109826]  ? lock_downgrade+0x900/0x900
[  365.113988]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  365.119108]  ? ___ratelimit+0x3b9/0x672
[  365.123085]  ? idr_get_free+0xf70/0xf70
[  365.127063]  ? find_held_lock+0x36/0x1c0
[  365.131134]  oom_kill_process.cold.27+0x10/0x903
[  365.135906]  ? zap_class+0x640/0x640
[  365.139621]  ? check_preemption_disabled+0x48/0x280
[  365.144642]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.149571]  ? kasan_check_read+0x11/0x20
[  365.153717]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.159002]  ? oom_evaluate_task+0x540/0x540
[  365.163423]  ? find_held_lock+0x36/0x1c0
[  365.167492]  ? out_of_memory+0x974/0x1430
[  365.171653]  ? lock_downgrade+0x900/0x900
[  365.175804]  ? check_preemption_disabled+0x48/0x280
[  365.180825]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.185755]  ? kasan_check_read+0x11/0x20
[  365.189904]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.195184]  ? rcu_softirq_qs+0x20/0x20
[  365.199168]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.204707]  ? oom_evaluate_task+0x302/0x540
[  365.209119]  out_of_memory+0xa84/0x1430
[  365.213101]  ? oom_killer_disable+0x3a0/0x3a0
[  365.217598]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  365.222533]  ? __ww_mutex_check_waiters+0x160/0x160
[  365.227567]  __alloc_pages_slowpath+0x2354/0x2e10
[  365.232439]  ? warn_alloc+0x120/0x120
[  365.236244]  ? mark_held_locks+0x130/0x130
[  365.240483]  ? find_get_entry+0xaae/0x1120
[  365.244727]  ? filemap_map_pages+0x1a20/0x1a20
[  365.249313]  ? zap_class+0x640/0x640
[  365.253050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.258589]  ? check_preemption_disabled+0x48/0x280
[  365.263609]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.269154]  ? should_fail+0x22d/0xd01
[  365.273056]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.278164]  ? zap_class+0x640/0x640
[  365.281908]  ? __lock_is_held+0xb5/0x140
[  365.285980]  ? mark_held_locks+0x130/0x130
[  365.290217]  ? lock_release+0xa00/0xa00
[  365.294196]  ? perf_trace_sched_process_exec+0x860/0x860
[  365.299652]  ? xa_load+0x2ba/0x460
[  365.303198]  ? lock_downgrade+0x900/0x900
[  365.307353]  ? __might_sleep+0x95/0x190
[  365.311336]  __alloc_pages_nodemask+0xa80/0xde0
[  365.316015]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  365.321062]  ? __page_cache_alloc+0x191/0x5c0
[  365.325563]  ? xa_load+0x2e1/0x460
[  365.329107]  ? xa_clear_mark+0x40/0x40
[  365.333001]  ? zap_class+0x640/0x640
[  365.336738]  ? zap_class+0x640/0x640
[  365.340464]  ? zap_class+0x640/0x640
[  365.344177]  ? __do_page_cache_readahead+0x663/0x810
[  365.349639]  ? find_held_lock+0x36/0x1c0
[  365.353708]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  365.359259]  alloc_pages_current+0x173/0x350
[  365.363679]  __page_cache_alloc+0x38c/0x5c0
[  365.368000]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.372948]  ? kasan_check_read+0x11/0x20
[  365.377102]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.382381]  ? generic_perform_write+0x6a0/0x6a0
[  365.387141]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.392684]  ? check_preemption_disabled+0x48/0x280
[  365.397709]  filemap_fault+0x1595/0x25f0
[  365.401786]  ? __lock_page_or_retry+0xa00/0xa00
[  365.406462]  ? mark_held_locks+0x130/0x130
[  365.410711]  ? filemap_map_pages+0xd6b/0x1a20
[  365.415212]  ? lock_downgrade+0x900/0x900
[  365.419362]  ? check_preemption_disabled+0x48/0x280
[  365.424382]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.429313]  ? kasan_check_read+0x11/0x20
[  365.433501]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.438783]  ? rcu_softirq_qs+0x20/0x20
[  365.442773]  ? filemap_map_pages+0xd92/0x1a20
[  365.447289]  ? find_get_entries_tag+0x1400/0x1400
[  365.452134]  ? ep_scan_ready_list+0xbc7/0x1050
[  365.456723]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.461857]  ? lock_acquire+0x1ed/0x520
[  365.465832]  ? ext4_filemap_fault+0x7a/0xad
[  365.470161]  ? lock_release+0xa00/0xa00
[  365.474136]  ? perf_trace_sched_process_exec+0x860/0x860
[  365.479589]  ? print_usage_bug+0xc0/0xc0
[  365.483652]  ? print_usage_bug+0xc0/0xc0
[  365.487726]  ? down_read+0x8d/0x120
[  365.491355]  ? ext4_filemap_fault+0x7a/0xad
[  365.495679]  ? __down_interruptible+0x700/0x700
[  365.500387]  ext4_filemap_fault+0x82/0xad
[  365.504543]  __do_fault+0x100/0x6b0
[  365.508178]  ? pmd_devmap_trans_unstable+0x220/0x220
[  365.513285]  ? mark_held_locks+0x130/0x130
[  365.517524]  ? mark_held_locks+0x130/0x130
[  365.521759]  ? kasan_check_read+0x11/0x20
[  365.525925]  ? ep_poll+0xffa/0x13d0
[  365.529555]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.534669]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.540211]  __handle_mm_fault+0x3ea0/0x5be0
[  365.544618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.550167]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  365.555022]  ? do_epoll_create+0x590/0x590
[  365.559266]  ? kasan_check_read+0x11/0x20
[  365.563420]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.568698]  ? rcu_softirq_qs+0x20/0x20
[  365.572686]  ? zap_class+0x640/0x640
[  365.576398]  ? zap_class+0x640/0x640
[  365.580117]  ? find_held_lock+0x36/0x1c0
[  365.584192]  ? handle_mm_fault+0x42a/0xc70
[  365.588429]  ? lock_downgrade+0x900/0x900
[  365.592586]  ? check_preemption_disabled+0x48/0x280
[  365.597606]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.602535]  ? kasan_check_read+0x11/0x20
[  365.606684]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.611965]  ? rcu_softirq_qs+0x20/0x20
[  365.615941]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.621056]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.626595]  ? check_preemption_disabled+0x48/0x280
[  365.631624]  handle_mm_fault+0x54f/0xc70
[  365.635689]  ? __handle_mm_fault+0x5be0/0x5be0
[  365.640275]  ? find_vma+0x34/0x190
[  365.643820]  __do_page_fault+0x5e8/0xe60
[  365.647890]  ? trace_hardirqs_off+0xb8/0x310
[  365.652301]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  365.657848]  do_page_fault+0xf2/0x7e0
[  365.661652]  ? vmalloc_sync_all+0x30/0x30
[  365.665803]  ? error_entry+0x70/0xd0
[  365.669520]  ? trace_hardirqs_off_caller+0xbb/0x310
[  365.674534]  ? trace_hardirqs_on_caller+0xc0/0x310
[  365.679470]  ? syscall_return_slowpath+0x5e0/0x5e0
[  365.684397]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.689245]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.694260]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  365.699716]  ? prepare_exit_to_usermode+0x291/0x3b0
[  365.704740]  ? page_fault+0x8/0x30
[  365.708282]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.713125]  ? page_fault+0x8/0x30
[  365.716666]  page_fault+0x1e/0x30
[  365.720117] RIP: 0033:0x45df89
[  365.723351] Code: Bad RIP value.
[  365.726714] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  365.732104] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  365.739388] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  365.746658] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  365.753941] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  365.761209] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  365.768531] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  365.768595] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  365.775901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  365.775906] Call Trace:
[  365.775913]  <IRQ>
[  365.775933]  dump_stack+0x244/0x39d
[  365.775951]  ? dump_stack_print_info.cold.1+0x20/0x20
[  365.782512] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  365.791785]  warn_alloc.cold.116+0xb7/0x1bd
[  365.794335] syz-fuzzer cpuset=/ mems_allowed=0
[  365.796481]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  365.829176]  ? lock_downgrade+0x900/0x900
[  365.833340]  ? trace_hardirqs_off+0xb8/0x310
[  365.837759]  ? trace_hardirqs_off+0xb8/0x310
[  365.842180]  __alloc_pages_slowpath+0x26e8/0x2e10
[  365.847110]  ? warn_alloc+0x120/0x120
[  365.850920]  ? print_usage_bug+0xc0/0xc0
[  365.854981]  ? warn_alloc+0x120/0x120
[  365.858790]  ? warn_alloc+0x120/0x120
[  365.862591]  ? print_usage_bug+0xc0/0xc0
[  365.866658]  ? print_usage_bug+0xc0/0xc0
[  365.870723]  ? __lock_acquire+0x62f/0x4c20
[  365.874968]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.880509]  ? should_fail+0x22d/0xd01
[  365.884404]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.889508]  ? __lock_acquire+0x62f/0x4c20
[  365.893752]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.898855]  ? __lock_acquire+0x62f/0x4c20
[  365.903092]  ? should_fail+0x22d/0xd01
[  365.906998]  ? find_held_lock+0x36/0x1c0
[  365.911081]  ? mark_held_locks+0x130/0x130
[  365.915321]  ? mark_held_locks+0x130/0x130
[  365.919557]  ? zap_class+0x640/0x640
[  365.923274]  ? zap_class+0x640/0x640
[  365.926989]  ? print_usage_bug+0xc0/0xc0
[  365.931057]  ? do_raw_spin_unlock+0xa7/0x330
[  365.935468]  ? zap_class+0x640/0x640
[  365.939185]  ? print_usage_bug+0xc0/0xc0
[  365.943249]  ? wq_watchdog_touch+0x9c/0xfe
[  365.947491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.953211]  ? check_preemption_disabled+0x48/0x280
[  365.958240]  ? __lock_is_held+0xb5/0x140
[  365.962308]  __alloc_pages_nodemask+0xa80/0xde0
[  365.966975]  ? zap_class+0x640/0x640
[  365.970699]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  365.975727]  ? find_held_lock+0x36/0x1c0
[  365.979806]  ? ____cache_alloc_node+0x1c7/0x1e0
[  365.984482]  ? lock_downgrade+0x900/0x900
[  365.988644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.994187]  cache_grow_begin+0xa5/0x8c0
[  365.998250]  ? do_raw_spin_unlock+0xa7/0x330
[  366.002666]  fallback_alloc+0x204/0x2e0
[  366.006650]  ____cache_alloc_node+0x1c7/0x1e0
[  366.011156]  kmem_cache_alloc_node+0xe3/0x730
[  366.015655]  ? ipv6_get_ifaddr+0x42e/0x620
[  366.019900]  __alloc_skb+0x119/0x770
[  366.023613]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.028893]  ? netdev_alloc_frag+0x1f0/0x1f0
[  366.033303]  ? lock_downgrade+0x900/0x900
[  366.037460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.043002]  ? refcount_sub_and_test_checked+0x203/0x310
[  366.048465]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  366.053918]  ? addrconf_rs_timer+0x690/0x690
[  366.058352]  ndisc_alloc_skb+0x144/0x340
[  366.062420]  ndisc_send_rs+0x331/0x6e0
[  366.066318]  addrconf_rs_timer+0x314/0x690
[  366.070564]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.074816]  call_timer_fn+0x272/0x920
[  366.078704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.082938]  ? process_timeout+0x40/0x40
[  366.087007]  ? __run_timers+0x7da/0xc70
[  366.090993]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.095491]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.099984]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.104231]  ? lockdep_hardirqs_on+0x296/0x5b0
[  366.108821]  ? trace_hardirqs_on+0xbd/0x310
[  366.113142]  ? kasan_check_read+0x11/0x20
[  366.117292]  ? __run_timers+0x7da/0xc70
[  366.121266]  ? trace_hardirqs_off_caller+0x310/0x310
[  366.126377]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.130618]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  366.134852]  __run_timers+0x7e5/0xc70
[  366.138663]  ? timer_fixup_init+0x70/0x70
[  366.142815]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  366.147831]  ? zap_class+0x640/0x640
[  366.151559]  ? enqueue_hrtimer+0x1a5/0x560
[  366.155797]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  366.160993]  ? find_held_lock+0x36/0x1c0
[  366.165076]  ? zap_class+0x640/0x640
[  366.168801]  ? pvclock_read_flags+0x160/0x160
[  366.173318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.178860]  ? check_preemption_disabled+0x48/0x280
[  366.183889]  ? __lock_is_held+0xb5/0x140
[  366.187954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.193494]  ? check_preemption_disabled+0x48/0x280
[  366.198517]  run_timer_softirq+0x52/0xb0
[  366.202587]  ? rcu_read_lock_sched_held+0x14f/0x180
[  366.207636]  __do_softirq+0x308/0xb7e
[  366.211440]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  366.215934]  ? lock_downgrade+0x900/0x900
[  366.220090]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  366.225201]  ? pvclock_read_flags+0x160/0x160
[  366.229718]  ? lapic_next_event+0x5a/0x90
[  366.233869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.239412]  ? kvm_clock_read+0x18/0x30
[  366.243388]  ? kvm_sched_clock_read+0x9/0x20
[  366.247800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.253351]  ? check_preemption_disabled+0x48/0x280
[  366.258381]  irq_exit+0x17f/0x1c0
[  366.261837]  smp_apic_timer_interrupt+0x1cb/0x760
[  366.266680]  ? smp_reschedule_interrupt+0x109/0x650
[  366.271701]  ? smp_call_function_single_interrupt+0x650/0x650
[  366.277588]  ? interrupt_entry+0xb5/0xc0
[  366.281650]  ? trace_hardirqs_off_caller+0xbb/0x310
[  366.286667]  ? trace_hardirqs_off_caller+0xbb/0x310
[  366.291688]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.296533]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.301560]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.306591]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.311445]  apic_timer_interrupt+0xf/0x20
[  366.315676]  </IRQ>
[  366.317920] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  366.322848] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  366.341750] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  366.349453] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  366.356721] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  366.363988] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  366.371260] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  366.378526] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  366.385842]  skb_clone+0x1bb/0x500
[  366.389391]  ? finish_task_switch+0x2f4/0x910
[  366.393902]  ? skb_split+0x11e0/0x11e0
[  366.397820]  ? preempt_notifier_register+0x200/0x200
[  366.402920]  ? __switch_to_asm+0x34/0x70
[  366.406984]  ? __switch_to_asm+0x34/0x70
[  366.411049]  ? __switch_to_asm+0x40/0x70
[  366.415109]  ? __switch_to_asm+0x34/0x70
[  366.419165]  ? __switch_to_asm+0x40/0x70
[  366.423228]  ? __switch_to_asm+0x34/0x70
[  366.427288]  ? __switch_to_asm+0x40/0x70
[  366.431350]  ? __switch_to_asm+0x34/0x70
[  366.435409]  ? __switch_to_asm+0x34/0x70
[  366.439466]  ? __switch_to_asm+0x40/0x70
[  366.443522]  ? __switch_to_asm+0x34/0x70
[  366.447595]  bpf_clone_redirect+0xb9/0x490
[  366.451831]  ? __schedule+0x8d7/0x21d0
[  366.455723]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  366.460744]  ? __sched_text_start+0x8/0x8
[  366.464899]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  366.469479]  ? retint_kernel+0x2d/0x2d
[  366.473370]  ? trace_hardirqs_on_caller+0xc0/0x310
[  366.478307]  ? find_held_lock+0x36/0x1c0
[  366.482375]  ? lock_acquire+0x1ed/0x520
[  366.486353]  ? bpf_test_run+0x3cb/0x780
[  366.490329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.495869]  ? check_preemption_disabled+0x48/0x280
[  366.500890]  ? kasan_check_read+0x11/0x20
[  366.505048]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.510328]  ? rcu_softirq_qs+0x20/0x20
[  366.514307]  ? preempt_schedule+0x4d/0x60
[  366.518458]  ? ___preempt_schedule+0x16/0x18
[  366.522874]  ? bpf_test_run+0x25d/0x780
[  366.526858]  ? netlink_diag_dump+0x2a0/0x2a0
[  366.531272]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.536809]  ? bpf_test_init.isra.10+0x70/0x100
[  366.541483]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  366.546596]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  366.551448]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  366.556988]  ? fput+0x130/0x1a0
[  366.560280]  ? __bpf_prog_get+0x9b/0x290
[  366.564350]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  366.569193]  ? bpf_prog_test_run+0x130/0x1a0
[  366.573610]  ? __x64_sys_bpf+0x3d8/0x520
[  366.577670]  ? bpf_prog_get+0x20/0x20
[  366.581490]  ? do_syscall_64+0x1b9/0x820
[  366.585558]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  366.590924]  ? syscall_return_slowpath+0x5e0/0x5e0
[  366.595863]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.600715]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.605737]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  366.610931]  ? prepare_exit_to_usermode+0x291/0x3b0
[  366.615946]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.620797]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  366.626184] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  366.626190] warn_alloc_show_mem: 1 callbacks suppressed
[  366.626197] Mem-Info:
[  366.633206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  366.638576] active_anon:51179 inactive_anon:236 isolated_anon:0
[  366.638576]  active_file:17 inactive_file:9 isolated_file:0
[  366.638576]  unevictable:0 dirty:0 writeback:0 unstable:0
[  366.638576]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  366.638576]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  366.638576]  free:13694 free_pcp:258 free_cma:0
[  366.640946] Call Trace:
[  366.650340] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  366.683101]  <IRQ>
[  366.685671] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  366.713178]  dump_stack+0x244/0x39d
[  366.715308] lowmem_reserve[]: 0 2818 6321 6321
[  366.741423]  ? dump_stack_print_info.cold.1+0x20/0x20
[  366.745543] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  366.750127]  warn_alloc.cold.116+0xb7/0x1bd
[  366.755279] lowmem_reserve[]: 0 0 3503 3503
[  366.782435]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  366.786730] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  366.791056]  ? lock_downgrade+0x900/0x900
[  366.795867] lowmem_reserve[]: 0 0 0 0
[  366.829194]  ? trace_hardirqs_off+0xb8/0x310
[  366.833318] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  366.837137]  ? trace_hardirqs_off+0xb8/0x310
[  366.841518] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  366.855081]  __alloc_pages_slowpath+0x26e8/0x2e10
[  366.859442] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  366.874634]  ? warn_alloc+0x120/0x120
[  366.879434] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  366.893642]  ? print_usage_bug+0xc0/0xc0
[  366.897424] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  366.906251]  ? warn_alloc+0x120/0x120
[  366.910288] 309 total pagecache pages
[  366.918864]  ? warn_alloc+0x120/0x120
[  366.922646] 0 pages in swap cache
[  366.926451]  ? print_usage_bug+0xc0/0xc0
[  366.930232] Swap cache stats: add 0, delete 0, find 0/0
[  366.933676]  ? kvm_clock_read+0x18/0x30
[  366.937715] Free swap  = 0kB
[  366.943074]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  366.947027] Total swap = 0kB
[  366.950055]  ? print_usage_bug+0xc0/0xc0
[  366.955051] 1965979 pages RAM
[  366.958068]  ? __lock_acquire+0x62f/0x4c20
[  366.962107] 0 pages HighMem/MovableOnly
[  366.965212]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.969419] 342853 pages reserved
[  366.973386]  ? should_fail+0x22d/0xd01
[  366.978900] 0 pages cma reserved
[  366.982351]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.986277] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  366.989590]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.995012] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  367.001326]  ? __lock_acquire+0x62f/0x4c20
[  367.006407] syz-executor2 cpuset=syz2 mems_allowed=0
[  367.016886]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.031275]  ? __lock_acquire+0x62f/0x4c20
[  367.035509]  ? should_fail+0x22d/0xd01
[  367.039427]  ? rcu_irq_exit+0x1a2/0x390
[  367.043411]  ? mark_held_locks+0x130/0x130
[  367.047655]  ? mark_held_locks+0x130/0x130
[  367.051902]  ? mark_held_locks+0xc7/0x130
[  367.056062]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  367.061086]  ? zap_class+0x640/0x640
[  367.064807]  ? print_usage_bug+0xc0/0xc0
[  367.068874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.074414]  ? check_preemption_disabled+0x48/0x280
[  367.079443]  ? __lock_is_held+0xb5/0x140
[  367.083518]  __alloc_pages_nodemask+0xa80/0xde0
[  367.088190]  ? zap_class+0x640/0x640
[  367.091910]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  367.096951]  ? find_held_lock+0x36/0x1c0
[  367.101031]  ? ____cache_alloc_node+0x1c7/0x1e0
[  367.105709]  ? lock_downgrade+0x900/0x900
[  367.109878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.115422]  cache_grow_begin+0xa5/0x8c0
[  367.119486]  ? do_raw_spin_unlock+0xa7/0x330
[  367.123902]  fallback_alloc+0x204/0x2e0
[  367.127895]  ____cache_alloc_node+0x1c7/0x1e0
[  367.132396]  kmem_cache_alloc_node+0xe3/0x730
[  367.136897]  ? ipv6_get_ifaddr+0x42e/0x620
[  367.141149]  __alloc_skb+0x119/0x770
[  367.144868]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.150161]  ? netdev_alloc_frag+0x1f0/0x1f0
[  367.154581]  ? lock_downgrade+0x900/0x900
[  367.158741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.164280]  ? refcount_sub_and_test_checked+0x203/0x310
[  367.169734]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  367.175199]  ? addrconf_rs_timer+0x690/0x690
[  367.179632]  ndisc_alloc_skb+0x144/0x340
[  367.183751]  ndisc_send_rs+0x331/0x6e0
[  367.187645]  addrconf_rs_timer+0x314/0x690
[  367.191885]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.196141]  call_timer_fn+0x272/0x920
[  367.200034]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.204279]  ? process_timeout+0x40/0x40
[  367.208351]  ? mark_held_locks+0xc7/0x130
[  367.212505]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.217002]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.221594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.225845]  ? lockdep_hardirqs_on+0x296/0x5b0
[  367.230429]  ? trace_hardirqs_on+0xbd/0x310
[  367.234756]  ? kasan_check_read+0x11/0x20
[  367.238903]  ? __run_timers+0x7da/0xc70
[  367.242880]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.247993]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.252243]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.256478]  __run_timers+0x7e5/0xc70
[  367.260292]  ? timer_fixup_init+0x70/0x70
[  367.264445]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  367.269465]  ? zap_class+0x640/0x640
[  367.273190]  ? print_usage_bug+0xc0/0xc0
[  367.277255]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  367.282455]  ? find_held_lock+0x36/0x1c0
[  367.286524]  ? zap_class+0x640/0x640
[  367.290246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.295801]  ? check_preemption_disabled+0x48/0x280
[  367.300829]  ? __lock_is_held+0xb5/0x140
[  367.304892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.310436]  ? check_preemption_disabled+0x48/0x280
[  367.315461]  run_timer_softirq+0x52/0xb0
[  367.319529]  ? rcu_read_lock_sched_held+0x14f/0x180
[  367.324549]  __do_softirq+0x308/0xb7e
[  367.328355]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  367.332868]  ? lock_downgrade+0x900/0x900
[  367.337052]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  367.342196]  ? pvclock_read_flags+0x160/0x160
[  367.346694]  ? lapic_next_event+0x5a/0x90
[  367.350849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.356391]  ? kvm_clock_read+0x18/0x30
[  367.360364]  ? kvm_sched_clock_read+0x9/0x20
[  367.364776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.370316]  ? check_preemption_disabled+0x48/0x280
[  367.375356]  irq_exit+0x17f/0x1c0
[  367.378815]  smp_apic_timer_interrupt+0x1cb/0x760
[  367.383656]  ? smp_reschedule_interrupt+0x109/0x650
[  367.388677]  ? smp_call_function_single_interrupt+0x650/0x650
[  367.394564]  ? interrupt_entry+0xb5/0xc0
[  367.398628]  ? trace_hardirqs_off_caller+0xbb/0x310
[  367.403646]  ? trace_hardirqs_off_caller+0xbb/0x310
[  367.408668]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.413511]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.418529]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.423552]  ? task_prio+0x50/0x50
[  367.427106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.432646]  ? check_preemption_disabled+0x48/0x280
[  367.437678]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.442531]  apic_timer_interrupt+0xf/0x20
[  367.446760]  </IRQ>
[  367.449005] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  367.454207] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  367.473109] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  367.480815] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  367.488085] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  367.495357] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  367.502624] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  367.509903] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  367.517210]  retint_kernel+0x1b/0x2d
[  367.520930] RIP: 0010:dump_stack+0x358/0x39d
[  367.525355] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  367.544254] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  367.551963] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  367.559233] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  367.566501] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  367.573782] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  367.581056] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  367.588349]  ? dump_stack+0x34f/0x39d
[  367.592169]  ? dump_stack_print_info.cold.1+0x20/0x20
[  367.597363]  ? mark_held_locks+0x130/0x130
[  367.601598]  ? mark_held_locks+0x130/0x130
[  367.605841]  dump_header+0x27b/0xf72
[  367.609570]  ? pagefault_out_of_memory+0x197/0x197
[  367.614526]  ? __lock_acquire+0x62f/0x4c20
[  367.618768]  ? percpu_ref_get_many+0x240/0x240
[  367.623356]  ? print_usage_bug+0xc0/0xc0
[  367.627436]  ? zap_class+0x640/0x640
[  367.631156]  ? print_usage_bug+0xc0/0xc0
[  367.635234]  ? print_usage_bug+0xc0/0xc0
[  367.639302]  ? zap_class+0x640/0x640
[  367.643030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.648579]  ? find_held_lock+0x36/0x1c0
[  367.652664]  ? mark_held_locks+0xc7/0x130
[  367.656816]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  367.661918]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  367.667030]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  367.671622]  ? trace_hardirqs_on+0xbd/0x310
[  367.675944]  ? kasan_check_read+0x11/0x20
[  367.680091]  ? ___ratelimit+0x3b4/0x672
[  367.684077]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.689217]  ? trace_hardirqs_on+0x310/0x310
[  367.693638]  ? lock_downgrade+0x900/0x900
[  367.697809]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  367.702912]  ? ___ratelimit+0x3b9/0x672
[  367.706888]  ? idr_get_free+0xf70/0xf70
[  367.710874]  ? find_held_lock+0x36/0x1c0
[  367.714950]  oom_kill_process.cold.27+0x10/0x903
[  367.719722]  ? zap_class+0x640/0x640
[  367.723437]  ? check_preemption_disabled+0x48/0x280
[  367.728463]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  367.733424]  ? kasan_check_read+0x11/0x20
[  367.737590]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.742871]  ? oom_evaluate_task+0x540/0x540
[  367.747283]  ? find_held_lock+0x36/0x1c0
[  367.751355]  ? out_of_memory+0x974/0x1430
[  367.755503]  ? lock_downgrade+0x900/0x900
[  367.759666]  ? check_preemption_disabled+0x48/0x280
[  367.764693]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  367.769630]  ? kasan_check_read+0x11/0x20
[  367.773777]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.779062]  ? rcu_softirq_qs+0x20/0x20
[  367.783068]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.788609]  ? oom_evaluate_task+0x302/0x540
[  367.793029]  out_of_memory+0xa84/0x1430
[  367.797037]  ? oom_killer_disable+0x3a0/0x3a0
[  367.801540]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  367.806475]  ? __ww_mutex_check_waiters+0x160/0x160
[  367.811533]  __alloc_pages_slowpath+0x2354/0x2e10
[  367.816406]  ? warn_alloc+0x120/0x120
[  367.820209]  ? mark_held_locks+0x130/0x130
[  367.824458]  ? find_get_entry+0xaae/0x1120
[  367.828702]  ? filemap_map_pages+0x1a20/0x1a20
[  367.833296]  ? zap_class+0x640/0x640
[  367.837026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.842575]  ? check_preemption_disabled+0x48/0x280
[  367.847592]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.853131]  ? should_fail+0x22d/0xd01
[  367.857032]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.862144]  ? zap_class+0x640/0x640
[  367.865883]  ? __lock_is_held+0xb5/0x140
[  367.869969]  ? mark_held_locks+0x130/0x130
[  367.874207]  ? lock_release+0xa00/0xa00
[  367.878187]  ? perf_trace_sched_process_exec+0x860/0x860
[  367.883639]  ? xa_load+0x2ba/0x460
[  367.887187]  ? lock_downgrade+0x900/0x900
[  367.891345]  ? __might_sleep+0x95/0x190
[  367.895327]  __alloc_pages_nodemask+0xa80/0xde0
[  367.900027]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  367.905058]  ? __page_cache_alloc+0x191/0x5c0
[  367.909559]  ? xa_load+0x2e1/0x460
[  367.913111]  ? xa_clear_mark+0x40/0x40
[  367.917000]  ? zap_class+0x640/0x640
[  367.920744]  ? zap_class+0x640/0x640
[  367.924457]  ? zap_class+0x640/0x640
[  367.928178]  ? __do_page_cache_readahead+0x663/0x810
[  367.933292]  ? find_held_lock+0x36/0x1c0
[  367.937361]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  367.942917]  alloc_pages_current+0x173/0x350
[  367.947384]  __page_cache_alloc+0x38c/0x5c0
[  367.951707]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  367.956653]  ? kasan_check_read+0x11/0x20
[  367.960802]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.966082]  ? generic_perform_write+0x6a0/0x6a0
[  367.970843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.976414]  ? check_preemption_disabled+0x48/0x280
[  367.981444]  filemap_fault+0x1595/0x25f0
[  367.985554]  ? __lock_page_or_retry+0xa00/0xa00
[  367.990225]  ? mark_held_locks+0x130/0x130
[  367.994471]  ? filemap_map_pages+0xd6b/0x1a20
[  367.998970]  ? lock_downgrade+0x900/0x900
[  368.003130]  ? check_preemption_disabled+0x48/0x280
[  368.008151]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.013084]  ? kasan_check_read+0x11/0x20
[  368.017237]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.022515]  ? rcu_softirq_qs+0x20/0x20
[  368.026503]  ? filemap_map_pages+0xd92/0x1a20
[  368.031013]  ? find_get_entries_tag+0x1400/0x1400
[  368.035875]  ? ep_scan_ready_list+0xbc7/0x1050
[  368.040465]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.045590]  ? lock_acquire+0x1ed/0x520
[  368.049564]  ? ext4_filemap_fault+0x7a/0xad
[  368.053908]  ? lock_release+0xa00/0xa00
[  368.057905]  ? perf_trace_sched_process_exec+0x860/0x860
[  368.063359]  ? print_usage_bug+0xc0/0xc0
[  368.067424]  ? print_usage_bug+0xc0/0xc0
[  368.071502]  ? down_read+0x8d/0x120
[  368.075127]  ? ext4_filemap_fault+0x7a/0xad
[  368.079454]  ? __down_interruptible+0x700/0x700
[  368.084133]  ext4_filemap_fault+0x82/0xad
[  368.088284]  __do_fault+0x100/0x6b0
[  368.091922]  ? pmd_devmap_trans_unstable+0x220/0x220
[  368.097045]  ? mark_held_locks+0x130/0x130
[  368.101283]  ? mark_held_locks+0x130/0x130
[  368.105524]  ? kasan_check_read+0x11/0x20
[  368.109678]  ? ep_poll+0xffa/0x13d0
[  368.113313]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.118431]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.123984]  __handle_mm_fault+0x3ea0/0x5be0
[  368.128413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.133972]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  368.138839]  ? do_epoll_create+0x590/0x590
[  368.143073]  ? kasan_check_read+0x11/0x20
[  368.147225]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.152533]  ? rcu_softirq_qs+0x20/0x20
[  368.156566]  ? zap_class+0x640/0x640
[  368.160285]  ? zap_class+0x640/0x640
[  368.164010]  ? find_held_lock+0x36/0x1c0
[  368.168105]  ? handle_mm_fault+0x42a/0xc70
[  368.172346]  ? lock_downgrade+0x900/0x900
[  368.176497]  ? check_preemption_disabled+0x48/0x280
[  368.181555]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.186503]  ? kasan_check_read+0x11/0x20
[  368.190650]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.195928]  ? rcu_softirq_qs+0x20/0x20
[  368.199921]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.205034]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.210585]  ? check_preemption_disabled+0x48/0x280
[  368.215611]  handle_mm_fault+0x54f/0xc70
[  368.219676]  ? __handle_mm_fault+0x5be0/0x5be0
[  368.224280]  ? find_vma+0x34/0x190
[  368.227828]  __do_page_fault+0x5e8/0xe60
[  368.231906]  ? trace_hardirqs_off+0xb8/0x310
[  368.236359]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  368.241950]  do_page_fault+0xf2/0x7e0
[  368.245754]  ? vmalloc_sync_all+0x30/0x30
[  368.249932]  ? error_entry+0x70/0xd0
[  368.253663]  ? trace_hardirqs_off_caller+0xbb/0x310
[  368.258676]  ? trace_hardirqs_on_caller+0xc0/0x310
[  368.263606]  ? syscall_return_slowpath+0x5e0/0x5e0
[  368.268537]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.273385]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.278432]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  368.283897]  ? prepare_exit_to_usermode+0x291/0x3b0
[  368.288939]  ? page_fault+0x8/0x30
[  368.292482]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.297327]  ? page_fault+0x8/0x30
[  368.300884]  page_fault+0x1e/0x30
[  368.304335] RIP: 0033:0x45df89
[  368.307541] Code: Bad RIP value.
[  368.310904] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  368.316265] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  368.323532] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  368.330806] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  368.338089] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  368.345357] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  368.352651] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  368.352734] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  368.360009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  368.360027] Call Trace:
[  368.366649] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  368.375883]  <IRQ>
[  368.378453] syz-fuzzer cpuset=/ mems_allowed=0
[  368.388696]  dump_stack+0x244/0x39d
[  368.399026]  ? dump_stack_print_info.cold.1+0x20/0x20
[  368.404237]  warn_alloc.cold.116+0xb7/0x1bd
[  368.408577]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  368.413424]  ? lock_downgrade+0x900/0x900
[  368.417585]  ? trace_hardirqs_off+0xb8/0x310
[  368.422005]  ? trace_hardirqs_off+0xb8/0x310
[  368.426434]  __alloc_pages_slowpath+0x26e8/0x2e10
[  368.431324]  ? warn_alloc+0x120/0x120
[  368.435134]  ? warn_alloc+0x120/0x120
[  368.438941]  ? warn_alloc+0x120/0x120
[  368.442744]  ? print_usage_bug+0xc0/0xc0
[  368.446804]  ? idle_cpu+0x1d0/0x1d0
[  368.450432]  ? kvm_sched_clock_read+0x9/0x20
[  368.454861]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  368.459893]  ? print_usage_bug+0xc0/0xc0
[  368.463969]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.469522]  ? should_fail+0x22d/0xd01
[  368.473427]  ? __lock_acquire+0x62f/0x4c20
[  368.477665]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.482768]  ? __lock_acquire+0x62f/0x4c20
[  368.487014]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.492127]  ? __lock_acquire+0x62f/0x4c20
[  368.496394]  ? should_fail+0x22d/0xd01
[  368.500292]  ? mark_held_locks+0x130/0x130
[  368.504537]  ? mark_held_locks+0x130/0x130
[  368.508798]  ? __enqueue_entity+0x10d/0x1f0
[  368.513139]  ? zap_class+0x640/0x640
[  368.516856]  ? print_usage_bug+0xc0/0xc0
[  368.520915]  ? __lock_acquire+0x62f/0x4c20
[  368.525155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.530695]  ? check_preemption_disabled+0x48/0x280
[  368.535722]  ? __lock_is_held+0xb5/0x140
[  368.539791]  __alloc_pages_nodemask+0xa80/0xde0
[  368.544463]  ? zap_class+0x640/0x640
[  368.548186]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  368.553216]  ? find_held_lock+0x36/0x1c0
[  368.557288]  ? ____cache_alloc_node+0x1c7/0x1e0
[  368.561962]  ? lock_downgrade+0x900/0x900
[  368.566124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.571681]  cache_grow_begin+0xa5/0x8c0
[  368.575782]  ? do_raw_spin_unlock+0xa7/0x330
[  368.580218]  fallback_alloc+0x204/0x2e0
[  368.584204]  ____cache_alloc_node+0x1c7/0x1e0
[  368.588710]  kmem_cache_alloc_node+0xe3/0x730
[  368.593213]  ? ipv6_get_ifaddr+0x42e/0x620
[  368.597459]  __alloc_skb+0x119/0x770
[  368.601219]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.606528]  ? netdev_alloc_frag+0x1f0/0x1f0
[  368.611113]  ? lock_downgrade+0x900/0x900
[  368.615285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.620828]  ? refcount_sub_and_test_checked+0x203/0x310
[  368.626288]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  368.631756]  ? addrconf_rs_timer+0x690/0x690
[  368.636179]  ndisc_alloc_skb+0x144/0x340
[  368.640257]  ndisc_send_rs+0x331/0x6e0
[  368.644155]  addrconf_rs_timer+0x314/0x690
[  368.648397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.652658]  call_timer_fn+0x272/0x920
[  368.656558]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.660799]  ? process_timeout+0x40/0x40
[  368.664871]  ? __run_timers+0x7da/0xc70
[  368.668876]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.673370]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.677865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.682104]  ? lockdep_hardirqs_on+0x296/0x5b0
[  368.686691]  ? trace_hardirqs_on+0xbd/0x310
[  368.691042]  ? kasan_check_read+0x11/0x20
[  368.695190]  ? __run_timers+0x7da/0xc70
[  368.699173]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.704293]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.708560]  __run_timers+0x7e5/0xc70
[  368.712386]  ? timer_fixup_init+0x70/0x70
[  368.716559]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  368.721586]  ? zap_class+0x640/0x640
[  368.725306]  ? enqueue_hrtimer+0x1a5/0x560
[  368.729548]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  368.734748]  ? find_held_lock+0x36/0x1c0
[  368.738833]  ? zap_class+0x640/0x640
[  368.743088]  ? pvclock_read_flags+0x160/0x160
[  368.747591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.753137]  ? check_preemption_disabled+0x48/0x280
[  368.758165]  ? __lock_is_held+0xb5/0x140
[  368.762232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.767787]  ? check_preemption_disabled+0x48/0x280
[  368.772835]  run_timer_softirq+0x52/0xb0
[  368.776911]  ? rcu_read_lock_sched_held+0x14f/0x180
[  368.781927]  __do_softirq+0x308/0xb7e
[  368.785749]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  368.790245]  ? lock_downgrade+0x900/0x900
[  368.794414]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  368.799531]  ? pvclock_read_flags+0x160/0x160
[  368.804045]  ? lapic_next_event+0x5a/0x90
[  368.808203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.813746]  ? kvm_clock_read+0x18/0x30
[  368.817720]  ? kvm_sched_clock_read+0x9/0x20
[  368.822134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.827674]  ? check_preemption_disabled+0x48/0x280
[  368.832705]  irq_exit+0x17f/0x1c0
[  368.836164]  smp_apic_timer_interrupt+0x1cb/0x760
[  368.841006]  ? smp_reschedule_interrupt+0x109/0x650
[  368.846066]  ? smp_call_function_single_interrupt+0x650/0x650
[  368.851951]  ? interrupt_entry+0xb5/0xc0
[  368.856013]  ? trace_hardirqs_off_caller+0xbb/0x310
[  368.861054]  ? trace_hardirqs_off_caller+0xbb/0x310
[  368.866091]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.870950]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.875970]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.881001]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.885875]  apic_timer_interrupt+0xf/0x20
[  368.890102]  </IRQ>
[  368.892345] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  368.897277] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  368.916180] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  368.923893] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  368.931163] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  368.938430] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  368.945696] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  368.952966] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  368.960293]  skb_clone+0x1bb/0x500
[  368.963837]  ? finish_task_switch+0x2f4/0x910
[  368.968334]  ? skb_split+0x11e0/0x11e0
[  368.972227]  ? preempt_notifier_register+0x200/0x200
[  368.977330]  ? __switch_to_asm+0x34/0x70
[  368.981404]  ? __switch_to_asm+0x34/0x70
[  368.985477]  ? __switch_to_asm+0x40/0x70
[  368.989542]  ? __switch_to_asm+0x34/0x70
[  368.993598]  ? __switch_to_asm+0x40/0x70
[  368.997654]  ? __switch_to_asm+0x34/0x70
[  369.001739]  ? __switch_to_asm+0x40/0x70
[  369.005800]  ? __switch_to_asm+0x34/0x70
[  369.009883]  ? __switch_to_asm+0x34/0x70
[  369.013948]  ? __switch_to_asm+0x40/0x70
[  369.018006]  ? __switch_to_asm+0x34/0x70
[  369.022083]  bpf_clone_redirect+0xb9/0x490
[  369.026323]  ? __schedule+0x8d7/0x21d0
[  369.030222]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  369.035245]  ? __sched_text_start+0x8/0x8
[  369.039398]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  369.043980]  ? retint_kernel+0x2d/0x2d
[  369.047873]  ? trace_hardirqs_on_caller+0xc0/0x310
[  369.052808]  ? find_held_lock+0x36/0x1c0
[  369.056891]  ? lock_acquire+0x1ed/0x520
[  369.060871]  ? bpf_test_run+0x3cb/0x780
[  369.064849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.070389]  ? check_preemption_disabled+0x48/0x280
[  369.075431]  ? kasan_check_read+0x11/0x20
[  369.079585]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.084861]  ? rcu_softirq_qs+0x20/0x20
[  369.088852]  ? preempt_schedule+0x4d/0x60
[  369.093014]  ? ___preempt_schedule+0x16/0x18
[  369.097442]  ? bpf_test_run+0x25d/0x780
[  369.101440]  ? netlink_diag_dump+0x2a0/0x2a0
[  369.105881]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.111433]  ? bpf_test_init.isra.10+0x70/0x100
[  369.116112]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  369.120880]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  369.125722]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  369.131263]  ? fput+0x130/0x1a0
[  369.134551]  ? __bpf_prog_get+0x9b/0x290
[  369.138618]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  369.143462]  ? bpf_prog_test_run+0x130/0x1a0
[  369.147874]  ? __x64_sys_bpf+0x3d8/0x520
[  369.151935]  ? bpf_prog_get+0x20/0x20
[  369.155780]  ? do_syscall_64+0x1b9/0x820
[  369.159855]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  369.165221]  ? syscall_return_slowpath+0x5e0/0x5e0
[  369.170151]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.174997]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.180031]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  369.185053]  ? prepare_exit_to_usermode+0x291/0x3b0
[  369.190080]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.194962]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  369.200342] warn_alloc_show_mem: 1 callbacks suppressed
[  369.200354] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  369.200356] Mem-Info:
[  369.200388] active_anon:51179 inactive_anon:236 isolated_anon:0
[  369.200388]  active_file:17 inactive_file:9 isolated_file:0
[  369.200388]  unevictable:0 dirty:0 writeback:0 unstable:0
[  369.200388]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  369.200388]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  369.200388]  free:13694 free_pcp:258 free_cma:0
[  369.205732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  369.212751] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  369.215150] Call Trace:
[  369.247943] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  369.257292]  <IRQ>
[  369.284782] lowmem_reserve[]: 0 2818 6321 6321
[  369.287366]  dump_stack+0x244/0x39d
[  369.313459] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  369.315636]  ? dump_stack_print_info.cold.1+0x20/0x20
[  369.320193] lowmem_reserve[]: 0 0 3503 3503
[  369.323909]  warn_alloc.cold.116+0xb7/0x1bd
[  369.351048] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  369.356252]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  369.360551] lowmem_reserve[]: 0 0 0 0
[  369.364883]  ? lock_downgrade+0x900/0x900
[  369.393829] 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
[  369.398686]  ? trace_hardirqs_off+0xb8/0x310
[  369.402466] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  369.406628]  ? trace_hardirqs_off+0xb8/0x310
[  369.420127] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  369.424534]  __alloc_pages_slowpath+0x26e8/0x2e10
[  369.439699] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  369.444134]  ? warn_alloc+0x120/0x120
[  369.458309] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  369.463141]  ? print_usage_bug+0xc0/0xc0
[  369.471951] 309 total pagecache pages
[  369.475743]  ? warn_alloc+0x120/0x120
[  369.484301] 0 pages in swap cache
[  369.488350]  ? warn_alloc+0x120/0x120
[  369.492132] Swap cache stats: add 0, delete 0, find 0/0
[  369.495926]  ? print_usage_bug+0xc0/0xc0
[  369.499359] Free swap  = 0kB
[  369.503155]  ? kvm_clock_read+0x18/0x30
[  369.508491] Total swap = 0kB
[  369.512569]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  369.512601]  ? print_usage_bug+0xc0/0xc0
[  369.515599] 1965979 pages RAM
[  369.519563]  ? __lock_acquire+0x62f/0x4c20
[  369.522561] 0 pages HighMem/MovableOnly
[  369.527571]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.531605] 342853 pages reserved
[  369.534712]  ? should_fail+0x22d/0xd01
[  369.538920] 0 pages cma reserved
[  369.542900]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.548478] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  369.551861]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.555815] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  369.559104]  ? __lock_acquire+0x62f/0x4c20
[  369.564378] syz-executor2 cpuset=syz2 mems_allowed=0
[  369.570863]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.600848]  ? __lock_acquire+0x62f/0x4c20
[  369.605085]  ? should_fail+0x22d/0xd01
[  369.608974]  ? rcu_irq_exit+0x1a2/0x390
[  369.612973]  ? mark_held_locks+0x130/0x130
[  369.617214]  ? mark_held_locks+0x130/0x130
[  369.621457]  ? mark_held_locks+0xc7/0x130
[  369.625612]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  369.630629]  ? zap_class+0x640/0x640
[  369.634343]  ? print_usage_bug+0xc0/0xc0
[  369.638413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.643974]  ? check_preemption_disabled+0x48/0x280
[  369.649007]  ? __lock_is_held+0xb5/0x140
[  369.653095]  __alloc_pages_nodemask+0xa80/0xde0
[  369.657768]  ? zap_class+0x640/0x640
[  369.661487]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  369.666531]  ? find_held_lock+0x36/0x1c0
[  369.670606]  ? ____cache_alloc_node+0x1c7/0x1e0
[  369.675281]  ? lock_downgrade+0x900/0x900
[  369.679441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.684987]  cache_grow_begin+0xa5/0x8c0
[  369.689064]  ? do_raw_spin_unlock+0xa7/0x330
[  369.693480]  fallback_alloc+0x204/0x2e0
[  369.697461]  ____cache_alloc_node+0x1c7/0x1e0
[  369.701966]  kmem_cache_alloc_node+0xe3/0x730
[  369.706468]  ? ipv6_get_ifaddr+0x42e/0x620
[  369.710716]  __alloc_skb+0x119/0x770
[  369.714433]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.719728]  ? netdev_alloc_frag+0x1f0/0x1f0
[  369.724137]  ? lock_downgrade+0x900/0x900
[  369.728294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.733832]  ? refcount_sub_and_test_checked+0x203/0x310
[  369.739289]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  369.744746]  ? addrconf_rs_timer+0x690/0x690
[  369.749172]  ndisc_alloc_skb+0x144/0x340
[  369.753240]  ndisc_send_rs+0x331/0x6e0
[  369.757136]  addrconf_rs_timer+0x314/0x690
[  369.761378]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.765636]  call_timer_fn+0x272/0x920
[  369.769523]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.773770]  ? process_timeout+0x40/0x40
[  369.777848]  ? mark_held_locks+0xc7/0x130
[  369.782000]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.786506]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.791000]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.795250]  ? lockdep_hardirqs_on+0x296/0x5b0
[  369.799836]  ? trace_hardirqs_on+0xbd/0x310
[  369.804159]  ? kasan_check_read+0x11/0x20
[  369.808310]  ? __run_timers+0x7da/0xc70
[  369.812313]  ? trace_hardirqs_off_caller+0x310/0x310
[  369.817425]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.821679]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.825925]  __run_timers+0x7e5/0xc70
[  369.829750]  ? timer_fixup_init+0x70/0x70
[  369.833940]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  369.838963]  ? zap_class+0x640/0x640
[  369.842679]  ? print_usage_bug+0xc0/0xc0
[  369.846753]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  369.851950]  ? find_held_lock+0x36/0x1c0
[  369.856027]  ? zap_class+0x640/0x640
[  369.859772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.865311]  ? check_preemption_disabled+0x48/0x280
[  369.870338]  ? __lock_is_held+0xb5/0x140
[  369.874405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.879945]  ? check_preemption_disabled+0x48/0x280
[  369.884966]  run_timer_softirq+0x52/0xb0
[  369.889075]  ? rcu_read_lock_sched_held+0x14f/0x180
[  369.894095]  __do_softirq+0x308/0xb7e
[  369.897935]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  369.902443]  ? lock_downgrade+0x900/0x900
[  369.906602]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  369.911712]  ? pvclock_read_flags+0x160/0x160
[  369.916206]  ? lapic_next_event+0x5a/0x90
[  369.920359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.925903]  ? kvm_clock_read+0x18/0x30
[  369.929877]  ? kvm_sched_clock_read+0x9/0x20
[  369.934464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.940002]  ? check_preemption_disabled+0x48/0x280
[  369.945057]  irq_exit+0x17f/0x1c0
[  369.948516]  smp_apic_timer_interrupt+0x1cb/0x760
[  369.953360]  ? smp_reschedule_interrupt+0x109/0x650
[  369.958380]  ? smp_call_function_single_interrupt+0x650/0x650
[  369.964267]  ? interrupt_entry+0xb5/0xc0
[  369.968333]  ? trace_hardirqs_off_caller+0xbb/0x310
[  369.973348]  ? trace_hardirqs_off_caller+0xbb/0x310
[  369.978367]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.983211]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.988227]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.993245]  ? task_prio+0x50/0x50
[  369.996801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.002340]  ? check_preemption_disabled+0x48/0x280
[  370.007367]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.012219]  apic_timer_interrupt+0xf/0x20
[  370.016446]  </IRQ>
[  370.018717] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  370.023913] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  370.042814] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  370.050522] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  370.057787] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  370.065065] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  370.072334] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  370.079635] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  370.086938]  retint_kernel+0x1b/0x2d
[  370.090659] RIP: 0010:dump_stack+0x358/0x39d
[  370.095071] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  370.113970] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  370.121677] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  370.128945] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  370.136226] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  370.143496] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  370.151031] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  370.158332]  ? dump_stack+0x34f/0x39d
[  370.162152]  ? dump_stack_print_info.cold.1+0x20/0x20
[  370.167353]  ? mark_held_locks+0x130/0x130
[  370.171589]  ? mark_held_locks+0x130/0x130
[  370.175828]  dump_header+0x27b/0xf72
[  370.179555]  ? pagefault_out_of_memory+0x197/0x197
[  370.184495]  ? __lock_acquire+0x62f/0x4c20
[  370.188736]  ? percpu_ref_get_many+0x240/0x240
[  370.193326]  ? print_usage_bug+0xc0/0xc0
[  370.197394]  ? zap_class+0x640/0x640
[  370.201111]  ? print_usage_bug+0xc0/0xc0
[  370.205172]  ? print_usage_bug+0xc0/0xc0
[  370.209241]  ? zap_class+0x640/0x640
[  370.212960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.218521]  ? find_held_lock+0x36/0x1c0
[  370.222592]  ? mark_held_locks+0xc7/0x130
[  370.226754]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  370.231860]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  370.236967]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  370.241551]  ? trace_hardirqs_on+0xbd/0x310
[  370.245875]  ? kasan_check_read+0x11/0x20
[  370.250031]  ? ___ratelimit+0x3b4/0x672
[  370.254026]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.259140]  ? trace_hardirqs_on+0x310/0x310
[  370.263551]  ? lock_downgrade+0x900/0x900
[  370.267711]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  370.272815]  ? ___ratelimit+0x3b9/0x672
[  370.276792]  ? idr_get_free+0xf70/0xf70
[  370.280772]  ? find_held_lock+0x36/0x1c0
[  370.284852]  oom_kill_process.cold.27+0x10/0x903
[  370.289611]  ? zap_class+0x640/0x640
[  370.293339]  ? check_preemption_disabled+0x48/0x280
[  370.298361]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  370.303292]  ? kasan_check_read+0x11/0x20
[  370.307441]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.312728]  ? oom_evaluate_task+0x540/0x540
[  370.317143]  ? find_held_lock+0x36/0x1c0
[  370.321217]  ? out_of_memory+0x974/0x1430
[  370.325366]  ? lock_downgrade+0x900/0x900
[  370.329520]  ? check_preemption_disabled+0x48/0x280
[  370.334546]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  370.339480]  ? kasan_check_read+0x11/0x20
[  370.343632]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.348910]  ? rcu_softirq_qs+0x20/0x20
[  370.352889]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.358423]  ? oom_evaluate_task+0x302/0x540
[  370.362837]  out_of_memory+0xa84/0x1430
[  370.366854]  ? oom_killer_disable+0x3a0/0x3a0
[  370.371351]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  370.376284]  ? __ww_mutex_check_waiters+0x160/0x160
[  370.381318]  __alloc_pages_slowpath+0x2354/0x2e10
[  370.386204]  ? warn_alloc+0x120/0x120
[  370.390032]  ? mark_held_locks+0x130/0x130
[  370.394280]  ? find_get_entry+0xaae/0x1120
[  370.398525]  ? filemap_map_pages+0x1a20/0x1a20
[  370.403115]  ? zap_class+0x640/0x640
[  370.406857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.412415]  ? check_preemption_disabled+0x48/0x280
[  370.417431]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.423003]  ? should_fail+0x22d/0xd01
[  370.426909]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.432023]  ? zap_class+0x640/0x640
[  370.435771]  ? __lock_is_held+0xb5/0x140
[  370.439848]  ? mark_held_locks+0x130/0x130
[  370.444091]  ? lock_release+0xa00/0xa00
[  370.448086]  ? perf_trace_sched_process_exec+0x860/0x860
[  370.453555]  ? xa_load+0x2ba/0x460
[  370.457102]  ? lock_downgrade+0x900/0x900
[  370.461259]  ? __might_sleep+0x95/0x190
[  370.465239]  __alloc_pages_nodemask+0xa80/0xde0
[  370.469921]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  370.474941]  ? __page_cache_alloc+0x191/0x5c0
[  370.479438]  ? xa_load+0x2e1/0x460
[  370.482999]  ? xa_clear_mark+0x40/0x40
[  370.486902]  ? zap_class+0x640/0x640
[  370.490624]  ? zap_class+0x640/0x640
[  370.494340]  ? zap_class+0x640/0x640
[  370.498061]  ? __do_page_cache_readahead+0x663/0x810
[  370.503170]  ? find_held_lock+0x36/0x1c0
[  370.507237]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  370.512781]  alloc_pages_current+0x173/0x350
[  370.517206]  __page_cache_alloc+0x38c/0x5c0
[  370.521525]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  370.526478]  ? kasan_check_read+0x11/0x20
[  370.530641]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.535921]  ? generic_perform_write+0x6a0/0x6a0
[  370.540711]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.546256]  ? check_preemption_disabled+0x48/0x280
[  370.551281]  filemap_fault+0x1595/0x25f0
[  370.555356]  ? __lock_page_or_retry+0xa00/0xa00
[  370.560047]  ? mark_held_locks+0x130/0x130
[  370.564293]  ? filemap_map_pages+0xd6b/0x1a20
[  370.568794]  ? lock_downgrade+0x900/0x900
[  370.572944]  ? check_preemption_disabled+0x48/0x280
[  370.577983]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  370.582921]  ? kasan_check_read+0x11/0x20
[  370.587075]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.592354]  ? rcu_softirq_qs+0x20/0x20
[  370.596342]  ? filemap_map_pages+0xd92/0x1a20
[  370.600851]  ? find_get_entries_tag+0x1400/0x1400
[  370.605698]  ? ep_scan_ready_list+0xbc7/0x1050
[  370.610284]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.615876]  ? lock_acquire+0x1ed/0x520
[  370.619857]  ? ext4_filemap_fault+0x7a/0xad
[  370.624186]  ? lock_release+0xa00/0xa00
[  370.628160]  ? perf_trace_sched_process_exec+0x860/0x860
[  370.633610]  ? print_usage_bug+0xc0/0xc0
[  370.637675]  ? print_usage_bug+0xc0/0xc0
[  370.641752]  ? down_read+0x8d/0x120
[  370.645377]  ? ext4_filemap_fault+0x7a/0xad
[  370.649702]  ? __down_interruptible+0x700/0x700
[  370.654381]  ext4_filemap_fault+0x82/0xad
[  370.658536]  __do_fault+0x100/0x6b0
[  370.662173]  ? pmd_devmap_trans_unstable+0x220/0x220
[  370.667280]  ? mark_held_locks+0x130/0x130
[  370.671522]  ? mark_held_locks+0x130/0x130
[  370.675760]  ? kasan_check_read+0x11/0x20
[  370.679909]  ? ep_poll+0xffa/0x13d0
[  370.683541]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.688680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.694224]  __handle_mm_fault+0x3ea0/0x5be0
[  370.698634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.704182]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  370.709037]  ? do_epoll_create+0x590/0x590
[  370.713283]  ? kasan_check_read+0x11/0x20
[  370.717442]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.722718]  ? rcu_softirq_qs+0x20/0x20
[  370.726718]  ? zap_class+0x640/0x640
[  370.730432]  ? zap_class+0x640/0x640
[  370.734166]  ? find_held_lock+0x36/0x1c0
[  370.738238]  ? handle_mm_fault+0x42a/0xc70
[  370.742619]  ? lock_downgrade+0x900/0x900
[  370.746783]  ? check_preemption_disabled+0x48/0x280
[  370.751815]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  370.756745]  ? kasan_check_read+0x11/0x20
[  370.760894]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.766172]  ? rcu_softirq_qs+0x20/0x20
[  370.770159]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.775268]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.780808]  ? check_preemption_disabled+0x48/0x280
[  370.785852]  handle_mm_fault+0x54f/0xc70
[  370.789919]  ? __handle_mm_fault+0x5be0/0x5be0
[  370.794508]  ? find_vma+0x34/0x190
[  370.798066]  __do_page_fault+0x5e8/0xe60
[  370.802138]  ? trace_hardirqs_off+0xb8/0x310
[  370.806562]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  370.812111]  do_page_fault+0xf2/0x7e0
[  370.815915]  ? vmalloc_sync_all+0x30/0x30
[  370.820068]  ? error_entry+0x70/0xd0
[  370.823827]  ? trace_hardirqs_off_caller+0xbb/0x310
[  370.828889]  ? trace_hardirqs_on_caller+0xc0/0x310
[  370.833835]  ? syscall_return_slowpath+0x5e0/0x5e0
[  370.838766]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.843617]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.848648]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  370.854104]  ? prepare_exit_to_usermode+0x291/0x3b0
[  370.859141]  ? page_fault+0x8/0x30
[  370.862701]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.867569]  ? page_fault+0x8/0x30
[  370.871115]  page_fault+0x1e/0x30
[  370.874575] RIP: 0033:0x45df89
[  370.877783] Code: Bad RIP value.
[  370.881145] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  370.886556] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  370.893821] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  370.901090] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  370.908357] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  370.915626] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  370.922928] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  370.922991] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  370.930333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  370.930342] Call Trace:
[  370.936942] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  370.946175]  <IRQ>
[  370.948746] syz-fuzzer cpuset=/ mems_allowed=0
[  370.958979]  dump_stack+0x244/0x39d
[  370.969303]  ? dump_stack_print_info.cold.1+0x20/0x20
[  370.974507]  warn_alloc.cold.116+0xb7/0x1bd
[  370.978837]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  370.983703]  ? lock_downgrade+0x900/0x900
[  370.987860]  ? trace_hardirqs_off+0xb8/0x310
[  370.992275]  ? trace_hardirqs_off+0xb8/0x310
[  370.996693]  __alloc_pages_slowpath+0x26e8/0x2e10
[  371.001586]  ? warn_alloc+0x120/0x120
[  371.005391]  ? print_usage_bug+0xc0/0xc0
[  371.009455]  ? warn_alloc+0x120/0x120
[  371.013261]  ? warn_alloc+0x120/0x120
[  371.017067]  ? print_usage_bug+0xc0/0xc0
[  371.021135]  ? kvm_clock_read+0x18/0x30
[  371.025124]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  371.030142]  ? print_usage_bug+0xc0/0xc0
[  371.034209]  ? __lock_acquire+0x62f/0x4c20
[  371.038452]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.043992]  ? should_fail+0x22d/0xd01
[  371.047888]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.053169]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.058274]  ? __lock_acquire+0x62f/0x4c20
[  371.062520]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.067627]  ? __lock_acquire+0x62f/0x4c20
[  371.071861]  ? should_fail+0x22d/0xd01
[  371.075746]  ? rcu_irq_exit+0x1a2/0x390
[  371.079730]  ? mark_held_locks+0x130/0x130
[  371.083971]  ? mark_held_locks+0x130/0x130
[  371.088214]  ? mark_held_locks+0xc7/0x130
[  371.092365]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  371.097381]  ? zap_class+0x640/0x640
[  371.101100]  ? print_usage_bug+0xc0/0xc0
[  371.105169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.110713]  ? check_preemption_disabled+0x48/0x280
[  371.115756]  ? __lock_is_held+0xb5/0x140
[  371.119833]  __alloc_pages_nodemask+0xa80/0xde0
[  371.124518]  ? zap_class+0x640/0x640
[  371.128244]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  371.133275]  ? find_held_lock+0x36/0x1c0
[  371.137346]  ? ____cache_alloc_node+0x1c7/0x1e0
[  371.142024]  ? lock_downgrade+0x900/0x900
[  371.146184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.151732]  cache_grow_begin+0xa5/0x8c0
[  371.155793]  ? do_raw_spin_unlock+0xa7/0x330
[  371.160213]  fallback_alloc+0x204/0x2e0
[  371.164283]  ____cache_alloc_node+0x1c7/0x1e0
[  371.168787]  kmem_cache_alloc_node+0xe3/0x730
[  371.173288]  ? ipv6_get_ifaddr+0x42e/0x620
[  371.177560]  __alloc_skb+0x119/0x770
[  371.181294]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.186580]  ? netdev_alloc_frag+0x1f0/0x1f0
[  371.190990]  ? lock_downgrade+0x900/0x900
[  371.195165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.200705]  ? refcount_sub_and_test_checked+0x203/0x310
[  371.206164]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  371.211622]  ? addrconf_rs_timer+0x690/0x690
[  371.216054]  ndisc_alloc_skb+0x144/0x340
[  371.220158]  ndisc_send_rs+0x331/0x6e0
[  371.224058]  addrconf_rs_timer+0x314/0x690
[  371.228306]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.232563]  call_timer_fn+0x272/0x920
[  371.236454]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.240690]  ? process_timeout+0x40/0x40
[  371.244760]  ? __run_timers+0x7da/0xc70
[  371.248743]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.253244]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.257739]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.261986]  ? lockdep_hardirqs_on+0x296/0x5b0
[  371.266597]  ? trace_hardirqs_on+0xbd/0x310
[  371.270923]  ? kasan_check_read+0x11/0x20
[  371.275074]  ? __run_timers+0x7da/0xc70
[  371.279056]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.284169]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.288411]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  371.292645]  __run_timers+0x7e5/0xc70
[  371.296460]  ? timer_fixup_init+0x70/0x70
[  371.300633]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  371.305657]  ? zap_class+0x640/0x640
[  371.309375]  ? enqueue_hrtimer+0x1a5/0x560
[  371.313612]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  371.318816]  ? find_held_lock+0x36/0x1c0
[  371.322883]  ? zap_class+0x640/0x640
[  371.326601]  ? pvclock_read_flags+0x160/0x160
[  371.331102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.336643]  ? check_preemption_disabled+0x48/0x280
[  371.341687]  ? __lock_is_held+0xb5/0x140
[  371.345754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.351297]  ? check_preemption_disabled+0x48/0x280
[  371.356323]  run_timer_softirq+0x52/0xb0
[  371.360390]  ? rcu_read_lock_sched_held+0x14f/0x180
[  371.365409]  __do_softirq+0x308/0xb7e
[  371.369217]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  371.373716]  ? lock_downgrade+0x900/0x900
[  371.377869]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  371.382981]  ? pvclock_read_flags+0x160/0x160
[  371.387491]  ? lapic_next_event+0x5a/0x90
[  371.391642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.397187]  ? kvm_clock_read+0x18/0x30
[  371.401163]  ? kvm_sched_clock_read+0x9/0x20
[  371.405589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.411135]  ? check_preemption_disabled+0x48/0x280
[  371.416163]  irq_exit+0x17f/0x1c0
[  371.419624]  smp_apic_timer_interrupt+0x1cb/0x760
[  371.424468]  ? smp_reschedule_interrupt+0x109/0x650
[  371.429492]  ? smp_call_function_single_interrupt+0x650/0x650
[  371.435383]  ? interrupt_entry+0xb5/0xc0
[  371.439468]  ? trace_hardirqs_off_caller+0xbb/0x310
[  371.444487]  ? trace_hardirqs_off_caller+0xbb/0x310
[  371.449508]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.454356]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.459371]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.464400]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.469257]  apic_timer_interrupt+0xf/0x20
[  371.473486]  </IRQ>
[  371.475772] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  371.480702] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  371.499622] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  371.507330] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  371.514598] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  371.521867] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  371.529136] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  371.536403] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  371.543720]  skb_clone+0x1bb/0x500
[  371.547266]  ? finish_task_switch+0x2f4/0x910
[  371.551781]  ? skb_split+0x11e0/0x11e0
[  371.555673]  ? preempt_notifier_register+0x200/0x200
[  371.560781]  ? __switch_to_asm+0x34/0x70
[  371.564845]  ? __switch_to_asm+0x34/0x70
[  371.568908]  ? __switch_to_asm+0x40/0x70
[  371.572967]  ? __switch_to_asm+0x34/0x70
[  371.577033]  ? __switch_to_asm+0x40/0x70
[  371.581093]  ? __switch_to_asm+0x34/0x70
[  371.585154]  ? __switch_to_asm+0x40/0x70
[  371.589220]  ? __switch_to_asm+0x34/0x70
[  371.593280]  ? __switch_to_asm+0x34/0x70
[  371.597341]  ? __switch_to_asm+0x40/0x70
[  371.601401]  ? __switch_to_asm+0x34/0x70
[  371.605474]  bpf_clone_redirect+0xb9/0x490
[  371.609715]  ? __schedule+0x8d7/0x21d0
[  371.613614]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  371.618637]  ? __sched_text_start+0x8/0x8
[  371.622793]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  371.627391]  ? retint_kernel+0x2d/0x2d
[  371.631284]  ? trace_hardirqs_on_caller+0xc0/0x310
[  371.636221]  ? find_held_lock+0x36/0x1c0
[  371.640305]  ? lock_acquire+0x1ed/0x520
[  371.644281]  ? bpf_test_run+0x3cb/0x780
[  371.648258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.653805]  ? check_preemption_disabled+0x48/0x280
[  371.658828]  ? kasan_check_read+0x11/0x20
[  371.662978]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.668258]  ? rcu_softirq_qs+0x20/0x20
[  371.672240]  ? preempt_schedule+0x4d/0x60
[  371.676392]  ? ___preempt_schedule+0x16/0x18
[  371.680814]  ? bpf_test_run+0x25d/0x780
[  371.684801]  ? netlink_diag_dump+0x2a0/0x2a0
[  371.689217]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.694757]  ? bpf_test_init.isra.10+0x70/0x100
[  371.699436]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  371.704227]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  371.709071]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  371.714614]  ? fput+0x130/0x1a0
[  371.717905]  ? __bpf_prog_get+0x9b/0x290
[  371.721969]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  371.726812]  ? bpf_prog_test_run+0x130/0x1a0
[  371.731229]  ? __x64_sys_bpf+0x3d8/0x520
[  371.735291]  ? bpf_prog_get+0x20/0x20
[  371.739116]  ? do_syscall_64+0x1b9/0x820
[  371.743178]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  371.748552]  ? syscall_return_slowpath+0x5e0/0x5e0
[  371.753486]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.758334]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.763353]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  371.768373]  ? prepare_exit_to_usermode+0x291/0x3b0
[  371.773402]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.778259]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  371.783651] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  371.783657] warn_alloc_show_mem: 1 callbacks suppressed
[  371.783664] Mem-Info:
[  371.790684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  371.796061] active_anon:51179 inactive_anon:236 isolated_anon:0
[  371.796061]  active_file:17 inactive_file:9 isolated_file:0
[  371.796061]  unevictable:0 dirty:0 writeback:0 unstable:0
[  371.796061]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  371.796061]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  371.796061]  free:13694 free_pcp:258 free_cma:0
[  371.798440] Call Trace:
[  371.807833] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  371.840615]  <IRQ>
[  371.843194] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  371.870701]  dump_stack+0x244/0x39d
[  371.872826] lowmem_reserve[]: 0 2818 6321 6321
[  371.898938]  ? dump_stack_print_info.cold.1+0x20/0x20
[  371.902533] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  371.907120]  warn_alloc.cold.116+0xb7/0x1bd
[  371.912274] lowmem_reserve[]: 0 0 3503 3503
[  371.939432]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  371.943723] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  371.948065]  ? lock_downgrade+0x900/0x900
[  371.952883] lowmem_reserve[]: 0 0 0 0
[  371.981864]  ? trace_hardirqs_off+0xb8/0x310
[  371.986000] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  371.989804]  ? trace_hardirqs_off+0xb8/0x310
[  371.994187] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  372.007729]  __alloc_pages_slowpath+0x26e8/0x2e10
[  372.012134] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  372.027330]  ? warn_alloc+0x120/0x120
[  372.032133] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  372.046341]  ? print_usage_bug+0xc0/0xc0
[  372.050121] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  372.058959]  ? warn_alloc+0x120/0x120
[  372.062999] 309 total pagecache pages
[  372.071575]  ? warn_alloc+0x120/0x120
[  372.075355] 0 pages in swap cache
[  372.079146]  ? print_usage_bug+0xc0/0xc0
[  372.082924] Swap cache stats: add 0, delete 0, find 0/0
[  372.086366]  ? kvm_clock_read+0x18/0x30
[  372.090404] Free swap  = 0kB
[  372.095767]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  372.099714] Total swap = 0kB
[  372.102742]  ? print_usage_bug+0xc0/0xc0
[  372.107738] 1965979 pages RAM
[  372.110752]  ? __lock_acquire+0x62f/0x4c20
[  372.114782] 0 pages HighMem/MovableOnly
[  372.114791] 342853 pages reserved
[  372.117896]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.122103] 0 pages cma reserved
[  372.126074]  ? should_fail+0x22d/0xd01
[  372.129598] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  372.135033]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.135059]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.135076]  ? __lock_acquire+0x62f/0x4c20
[  372.138483] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  372.142483]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.148950] syz-executor2 cpuset=syz2 mems_allowed=0
[  372.154224]  ? __lock_acquire+0x62f/0x4c20
[  372.188435]  ? should_fail+0x22d/0xd01
[  372.192324]  ? rcu_irq_exit+0x1a2/0x390
[  372.196311]  ? mark_held_locks+0x130/0x130
[  372.200556]  ? mark_held_locks+0x130/0x130
[  372.204799]  ? mark_held_locks+0xc7/0x130
[  372.208947]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  372.213982]  ? zap_class+0x640/0x640
[  372.217705]  ? print_usage_bug+0xc0/0xc0
[  372.221772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.227313]  ? check_preemption_disabled+0x48/0x280
[  372.232342]  ? __lock_is_held+0xb5/0x140
[  372.236433]  __alloc_pages_nodemask+0xa80/0xde0
[  372.241108]  ? zap_class+0x640/0x640
[  372.244829]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  372.249857]  ? find_held_lock+0x36/0x1c0
[  372.253929]  ? ____cache_alloc_node+0x1c7/0x1e0
[  372.258602]  ? lock_downgrade+0x900/0x900
[  372.262766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.268316]  cache_grow_begin+0xa5/0x8c0
[  372.272379]  ? do_raw_spin_unlock+0xa7/0x330
[  372.276885]  fallback_alloc+0x204/0x2e0
[  372.280869]  ____cache_alloc_node+0x1c7/0x1e0
[  372.285372]  kmem_cache_alloc_node+0xe3/0x730
[  372.289869]  ? ipv6_get_ifaddr+0x42e/0x620
[  372.294118]  __alloc_skb+0x119/0x770
[  372.297833]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.303117]  ? netdev_alloc_frag+0x1f0/0x1f0
[  372.307532]  ? lock_downgrade+0x900/0x900
[  372.311692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.317234]  ? refcount_sub_and_test_checked+0x203/0x310
[  372.322694]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  372.328152]  ? addrconf_rs_timer+0x690/0x690
[  372.332574]  ndisc_alloc_skb+0x144/0x340
[  372.336646]  ndisc_send_rs+0x331/0x6e0
[  372.340541]  addrconf_rs_timer+0x314/0x690
[  372.344785]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.349043]  call_timer_fn+0x272/0x920
[  372.352933]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.357176]  ? process_timeout+0x40/0x40
[  372.361254]  ? mark_held_locks+0xc7/0x130
[  372.365409]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.369906]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.374404]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.378643]  ? lockdep_hardirqs_on+0x296/0x5b0
[  372.383231]  ? trace_hardirqs_on+0xbd/0x310
[  372.387558]  ? kasan_check_read+0x11/0x20
[  372.391710]  ? __run_timers+0x7da/0xc70
[  372.395692]  ? trace_hardirqs_off_caller+0x310/0x310
[  372.400803]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.405053]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.409289]  __run_timers+0x7e5/0xc70
[  372.413104]  ? timer_fixup_init+0x70/0x70
[  372.417256]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  372.422276]  ? zap_class+0x640/0x640
[  372.425997]  ? print_usage_bug+0xc0/0xc0
[  372.430082]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  372.435282]  ? find_held_lock+0x36/0x1c0
[  372.439350]  ? zap_class+0x640/0x640
[  372.443075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.448615]  ? check_preemption_disabled+0x48/0x280
[  372.453643]  ? __lock_is_held+0xb5/0x140
[  372.457706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.463266]  ? check_preemption_disabled+0x48/0x280
[  372.468292]  run_timer_softirq+0x52/0xb0
[  372.472356]  ? rcu_read_lock_sched_held+0x14f/0x180
[  372.477374]  __do_softirq+0x308/0xb7e
[  372.481181]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  372.485676]  ? lock_downgrade+0x900/0x900
[  372.489835]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  372.494949]  ? pvclock_read_flags+0x160/0x160
[  372.499451]  ? lapic_next_event+0x5a/0x90
[  372.503607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.509155]  ? kvm_clock_read+0x18/0x30
[  372.513131]  ? kvm_sched_clock_read+0x9/0x20
[  372.517542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.523086]  ? check_preemption_disabled+0x48/0x280
[  372.528116]  irq_exit+0x17f/0x1c0
[  372.531577]  smp_apic_timer_interrupt+0x1cb/0x760
[  372.536428]  ? smp_reschedule_interrupt+0x109/0x650
[  372.541455]  ? smp_call_function_single_interrupt+0x650/0x650
[  372.547340]  ? interrupt_entry+0xb5/0xc0
[  372.551409]  ? trace_hardirqs_off_caller+0xbb/0x310
[  372.556424]  ? trace_hardirqs_off_caller+0xbb/0x310
[  372.561448]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.566293]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.571309]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.576326]  ? task_prio+0x50/0x50
[  372.579871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.585417]  ? check_preemption_disabled+0x48/0x280
[  372.590442]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.595298]  apic_timer_interrupt+0xf/0x20
[  372.599528]  </IRQ>
[  372.601768] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  372.606960] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  372.626365] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  372.634079] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  372.641348] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  372.648616] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  372.655884] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  372.663155] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  372.670464]  retint_kernel+0x1b/0x2d
[  372.674187] RIP: 0010:dump_stack+0x358/0x39d
[  372.678596] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  372.697500] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  372.705216] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  372.712487] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  372.719758] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  372.727034] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  372.734310] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  372.741603]  ? dump_stack+0x34f/0x39d
[  372.745595]  ? dump_stack_print_info.cold.1+0x20/0x20
[  372.750797]  ? mark_held_locks+0x130/0x130
[  372.755045]  ? mark_held_locks+0x130/0x130
[  372.759293]  dump_header+0x27b/0xf72
[  372.763029]  ? pagefault_out_of_memory+0x197/0x197
[  372.767980]  ? __lock_acquire+0x62f/0x4c20
[  372.772221]  ? percpu_ref_get_many+0x240/0x240
[  372.776812]  ? print_usage_bug+0xc0/0xc0
[  372.780879]  ? zap_class+0x640/0x640
[  372.784603]  ? print_usage_bug+0xc0/0xc0
[  372.788667]  ? print_usage_bug+0xc0/0xc0
[  372.792731]  ? zap_class+0x640/0x640
[  372.796455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.802023]  ? find_held_lock+0x36/0x1c0
[  372.806103]  ? mark_held_locks+0xc7/0x130
[  372.810258]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  372.815361]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  372.820467]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  372.825064]  ? trace_hardirqs_on+0xbd/0x310
[  372.829387]  ? kasan_check_read+0x11/0x20
[  372.833542]  ? ___ratelimit+0x3b4/0x672
[  372.837521]  ? trace_hardirqs_off_caller+0x310/0x310
[  372.842634]  ? trace_hardirqs_on+0x310/0x310
[  372.847057]  ? lock_downgrade+0x900/0x900
[  372.851215]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  372.856321]  ? ___ratelimit+0x3b9/0x672
[  372.860299]  ? idr_get_free+0xf70/0xf70
[  372.864276]  ? find_held_lock+0x36/0x1c0
[  372.868349]  oom_kill_process.cold.27+0x10/0x903
[  372.873109]  ? zap_class+0x640/0x640
[  372.876826]  ? check_preemption_disabled+0x48/0x280
[  372.881846]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  372.886776]  ? kasan_check_read+0x11/0x20
[  372.890929]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.896213]  ? oom_evaluate_task+0x540/0x540
[  372.900636]  ? find_held_lock+0x36/0x1c0
[  372.904710]  ? out_of_memory+0x974/0x1430
[  372.908862]  ? lock_downgrade+0x900/0x900
[  372.913023]  ? check_preemption_disabled+0x48/0x280
[  372.918063]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  372.922996]  ? kasan_check_read+0x11/0x20
[  372.927153]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.932430]  ? rcu_softirq_qs+0x20/0x20
[  372.936412]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.941950]  ? oom_evaluate_task+0x302/0x540
[  372.946367]  out_of_memory+0xa84/0x1430
[  372.950358]  ? oom_killer_disable+0x3a0/0x3a0
[  372.954854]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  372.959787]  ? __ww_mutex_check_waiters+0x160/0x160
[  372.964817]  __alloc_pages_slowpath+0x2354/0x2e10
[  372.969692]  ? warn_alloc+0x120/0x120
[  372.973493]  ? mark_held_locks+0x130/0x130
[  372.977738]  ? find_get_entry+0xaae/0x1120
[  372.981983]  ? filemap_map_pages+0x1a20/0x1a20
[  372.986635]  ? zap_class+0x640/0x640
[  372.990359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.995904]  ? check_preemption_disabled+0x48/0x280
[  373.000923]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.006460]  ? should_fail+0x22d/0xd01
[  373.010355]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.015466]  ? zap_class+0x640/0x640
[  373.019208]  ? __lock_is_held+0xb5/0x140
[  373.023281]  ? mark_held_locks+0x130/0x130
[  373.027521]  ? lock_release+0xa00/0xa00
[  373.031497]  ? perf_trace_sched_process_exec+0x860/0x860
[  373.036952]  ? xa_load+0x2ba/0x460
[  373.040497]  ? lock_downgrade+0x900/0x900
[  373.044656]  ? __might_sleep+0x95/0x190
[  373.048640]  __alloc_pages_nodemask+0xa80/0xde0
[  373.053320]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  373.058339]  ? __page_cache_alloc+0x191/0x5c0
[  373.062838]  ? xa_load+0x2e1/0x460
[  373.066384]  ? xa_clear_mark+0x40/0x40
[  373.070275]  ? zap_class+0x640/0x640
[  373.074003]  ? zap_class+0x640/0x640
[  373.077728]  ? zap_class+0x640/0x640
[  373.081454]  ? __do_page_cache_readahead+0x663/0x810
[  373.086563]  ? find_held_lock+0x36/0x1c0
[  373.090637]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  373.096204]  alloc_pages_current+0x173/0x350
[  373.100622]  __page_cache_alloc+0x38c/0x5c0
[  373.104943]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.109873]  ? kasan_check_read+0x11/0x20
[  373.114043]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.119357]  ? generic_perform_write+0x6a0/0x6a0
[  373.124118]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.129659]  ? check_preemption_disabled+0x48/0x280
[  373.134685]  filemap_fault+0x1595/0x25f0
[  373.138762]  ? __lock_page_or_retry+0xa00/0xa00
[  373.143435]  ? mark_held_locks+0x130/0x130
[  373.147684]  ? filemap_map_pages+0xd6b/0x1a20
[  373.152183]  ? lock_downgrade+0x900/0x900
[  373.156334]  ? check_preemption_disabled+0x48/0x280
[  373.161360]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.166294]  ? kasan_check_read+0x11/0x20
[  373.170441]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.175719]  ? rcu_softirq_qs+0x20/0x20
[  373.179713]  ? filemap_map_pages+0xd92/0x1a20
[  373.184229]  ? find_get_entries_tag+0x1400/0x1400
[  373.189077]  ? ep_scan_ready_list+0xbc7/0x1050
[  373.193664]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.198789]  ? lock_acquire+0x1ed/0x520
[  373.202763]  ? ext4_filemap_fault+0x7a/0xad
[  373.207094]  ? lock_release+0xa00/0xa00
[  373.211075]  ? perf_trace_sched_process_exec+0x860/0x860
[  373.216529]  ? print_usage_bug+0xc0/0xc0
[  373.220593]  ? print_usage_bug+0xc0/0xc0
[  373.224670]  ? down_read+0x8d/0x120
[  373.228327]  ? ext4_filemap_fault+0x7a/0xad
[  373.232654]  ? __down_interruptible+0x700/0x700
[  373.237336]  ext4_filemap_fault+0x82/0xad
[  373.241486]  __do_fault+0x100/0x6b0
[  373.245133]  ? pmd_devmap_trans_unstable+0x220/0x220
[  373.250245]  ? mark_held_locks+0x130/0x130
[  373.254484]  ? mark_held_locks+0x130/0x130
[  373.258719]  ? kasan_check_read+0x11/0x20
[  373.262888]  ? ep_poll+0xffa/0x13d0
[  373.266522]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.271638]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.277181]  __handle_mm_fault+0x3ea0/0x5be0
[  373.281591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.287141]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  373.291993]  ? do_epoll_create+0x590/0x590
[  373.296262]  ? kasan_check_read+0x11/0x20
[  373.300414]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.305693]  ? rcu_softirq_qs+0x20/0x20
[  373.309680]  ? zap_class+0x640/0x640
[  373.313399]  ? zap_class+0x640/0x640
[  373.317118]  ? find_held_lock+0x36/0x1c0
[  373.321186]  ? handle_mm_fault+0x42a/0xc70
[  373.325458]  ? lock_downgrade+0x900/0x900
[  373.329625]  ? check_preemption_disabled+0x48/0x280
[  373.334648]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.339577]  ? kasan_check_read+0x11/0x20
[  373.343741]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.349025]  ? rcu_softirq_qs+0x20/0x20
[  373.353047]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.358155]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.363694]  ? check_preemption_disabled+0x48/0x280
[  373.368749]  handle_mm_fault+0x54f/0xc70
[  373.372811]  ? __handle_mm_fault+0x5be0/0x5be0
[  373.377429]  ? find_vma+0x34/0x190
[  373.380976]  __do_page_fault+0x5e8/0xe60
[  373.385062]  ? trace_hardirqs_off+0xb8/0x310
[  373.389473]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  373.395030]  do_page_fault+0xf2/0x7e0
[  373.398839]  ? vmalloc_sync_all+0x30/0x30
[  373.402989]  ? error_entry+0x70/0xd0
[  373.406717]  ? trace_hardirqs_off_caller+0xbb/0x310
[  373.411763]  ? trace_hardirqs_on_caller+0xc0/0x310
[  373.416693]  ? syscall_return_slowpath+0x5e0/0x5e0
[  373.421622]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.426490]  ? trace_hardirqs_on_caller+0x310/0x310
[  373.431516]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  373.436988]  ? prepare_exit_to_usermode+0x291/0x3b0
[  373.442014]  ? page_fault+0x8/0x30
[  373.445576]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.450425]  ? page_fault+0x8/0x30
[  373.453965]  page_fault+0x1e/0x30
[  373.457428] RIP: 0033:0x45df89
[  373.460658] Code: Bad RIP value.
[  373.464023] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  373.469387] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  373.476655] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  373.483938] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  373.491207] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  373.498488] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  373.505795] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  373.505857] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  373.513162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  373.513167] Call Trace:
[  373.513173]  <IRQ>
[  373.513193]  dump_stack+0x244/0x39d
[  373.513211]  ? dump_stack_print_info.cold.1+0x20/0x20
[  373.519758] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  373.529054]  warn_alloc.cold.116+0xb7/0x1bd
[  373.531612] syz-fuzzer cpuset=/ mems_allowed=0
[  373.533756]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  373.566472]  ? lock_downgrade+0x900/0x900
[  373.570642]  ? trace_hardirqs_off+0xb8/0x310
[  373.575064]  ? trace_hardirqs_off+0xb8/0x310
[  373.579483]  __alloc_pages_slowpath+0x26e8/0x2e10
[  373.584355]  ? warn_alloc+0x120/0x120
[  373.588160]  ? print_usage_bug+0xc0/0xc0
[  373.592231]  ? warn_alloc+0x120/0x120
[  373.596045]  ? warn_alloc+0x120/0x120
[  373.599854]  ? print_usage_bug+0xc0/0xc0
[  373.603948]  ? print_usage_bug+0xc0/0xc0
[  373.608034]  ? __lock_acquire+0x62f/0x4c20
[  373.612280]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.617817]  ? should_fail+0x22d/0xd01
[  373.621725]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.626828]  ? __lock_acquire+0x62f/0x4c20
[  373.631074]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.636194]  ? __lock_acquire+0x62f/0x4c20
[  373.640442]  ? should_fail+0x22d/0xd01
[  373.644330]  ? find_held_lock+0x36/0x1c0
[  373.648410]  ? mark_held_locks+0x130/0x130
[  373.652648]  ? mark_held_locks+0x130/0x130
[  373.656880]  ? zap_class+0x640/0x640
[  373.660596]  ? zap_class+0x640/0x640
[  373.664327]  ? print_usage_bug+0xc0/0xc0
[  373.668387]  ? do_raw_spin_unlock+0xa7/0x330
[  373.672799]  ? zap_class+0x640/0x640
[  373.676516]  ? print_usage_bug+0xc0/0xc0
[  373.680602]  ? wq_watchdog_touch+0x9c/0xfe
[  373.684855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.690397]  ? check_preemption_disabled+0x48/0x280
[  373.695444]  ? __lock_is_held+0xb5/0x140
[  373.699515]  __alloc_pages_nodemask+0xa80/0xde0
[  373.704206]  ? zap_class+0x640/0x640
[  373.707965]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  373.712988]  ? find_held_lock+0x36/0x1c0
[  373.717066]  ? ____cache_alloc_node+0x1c7/0x1e0
[  373.721736]  ? lock_downgrade+0x900/0x900
[  373.725895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.731452]  cache_grow_begin+0xa5/0x8c0
[  373.735531]  ? do_raw_spin_unlock+0xa7/0x330
[  373.739952]  fallback_alloc+0x204/0x2e0
[  373.743944]  ____cache_alloc_node+0x1c7/0x1e0
[  373.748453]  kmem_cache_alloc_node+0xe3/0x730
[  373.752947]  ? ipv6_get_ifaddr+0x42e/0x620
[  373.757207]  __alloc_skb+0x119/0x770
[  373.760917]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.766200]  ? netdev_alloc_frag+0x1f0/0x1f0
[  373.770625]  ? lock_downgrade+0x900/0x900
[  373.774780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.780327]  ? refcount_sub_and_test_checked+0x203/0x310
[  373.785780]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  373.791234]  ? addrconf_rs_timer+0x690/0x690
[  373.795659]  ndisc_alloc_skb+0x144/0x340
[  373.799729]  ndisc_send_rs+0x331/0x6e0
[  373.803623]  addrconf_rs_timer+0x314/0x690
[  373.807863]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.812109]  call_timer_fn+0x272/0x920
[  373.816009]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.820265]  ? process_timeout+0x40/0x40
[  373.824374]  ? __run_timers+0x7da/0xc70
[  373.828349]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.832858]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.837350]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.841601]  ? lockdep_hardirqs_on+0x296/0x5b0
[  373.846191]  ? trace_hardirqs_on+0xbd/0x310
[  373.850515]  ? kasan_check_read+0x11/0x20
[  373.854666]  ? __run_timers+0x7da/0xc70
[  373.858641]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.863748]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.867988]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.872232]  __run_timers+0x7e5/0xc70
[  373.876048]  ? timer_fixup_init+0x70/0x70
[  373.880202]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  373.885224]  ? zap_class+0x640/0x640
[  373.888942]  ? enqueue_hrtimer+0x1a5/0x560
[  373.893178]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  373.898413]  ? find_held_lock+0x36/0x1c0
[  373.902492]  ? zap_class+0x640/0x640
[  373.906211]  ? pvclock_read_flags+0x160/0x160
[  373.910725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.916262]  ? check_preemption_disabled+0x48/0x280
[  373.921290]  ? __lock_is_held+0xb5/0x140
[  373.925349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.930888]  ? check_preemption_disabled+0x48/0x280
[  373.935925]  run_timer_softirq+0x52/0xb0
[  373.939996]  ? rcu_read_lock_sched_held+0x14f/0x180
[  373.945031]  __do_softirq+0x308/0xb7e
[  373.948837]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  373.953333]  ? lock_downgrade+0x900/0x900
[  373.957487]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  373.962601]  ? pvclock_read_flags+0x160/0x160
[  373.967103]  ? lapic_next_event+0x5a/0x90
[  373.971256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.976798]  ? kvm_clock_read+0x18/0x30
[  373.980774]  ? kvm_sched_clock_read+0x9/0x20
[  373.985201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.990740]  ? check_preemption_disabled+0x48/0x280
[  373.995764]  irq_exit+0x17f/0x1c0
[  373.999218]  smp_apic_timer_interrupt+0x1cb/0x760
[  374.004058]  ? smp_reschedule_interrupt+0x109/0x650
[  374.009075]  ? smp_call_function_single_interrupt+0x650/0x650
[  374.014959]  ? interrupt_entry+0xb5/0xc0
[  374.019030]  ? trace_hardirqs_off_caller+0xbb/0x310
[  374.024051]  ? trace_hardirqs_off_caller+0xbb/0x310
[  374.029073]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.033918]  ? trace_hardirqs_on_caller+0x310/0x310
[  374.038931]  ? trace_hardirqs_on_caller+0x310/0x310
[  374.043972]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.048858]  apic_timer_interrupt+0xf/0x20
[  374.053098]  </IRQ>
[  374.055343] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  374.060300] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  374.079200] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  374.086923] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  374.094206] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  374.101486] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  374.108749] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  374.116039] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  374.123348]  skb_clone+0x1bb/0x500
[  374.126888]  ? finish_task_switch+0x2f4/0x910
[  374.131382]  ? skb_split+0x11e0/0x11e0
[  374.135271]  ? preempt_notifier_register+0x200/0x200
[  374.140376]  ? __switch_to_asm+0x34/0x70
[  374.144436]  ? __switch_to_asm+0x34/0x70
[  374.148514]  ? __switch_to_asm+0x40/0x70
[  374.152581]  ? __switch_to_asm+0x34/0x70
[  374.156640]  ? __switch_to_asm+0x40/0x70
[  374.160696]  ? __switch_to_asm+0x34/0x70
[  374.164753]  ? __switch_to_asm+0x40/0x70
[  374.168813]  ? __switch_to_asm+0x34/0x70
[  374.172872]  ? __switch_to_asm+0x34/0x70
[  374.176929]  ? __switch_to_asm+0x40/0x70
[  374.180988]  ? __switch_to_asm+0x34/0x70
[  374.185064]  bpf_clone_redirect+0xb9/0x490
[  374.189303]  ? __schedule+0x8d7/0x21d0
[  374.193214]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  374.198236]  ? __sched_text_start+0x8/0x8
[  374.202394]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  374.206977]  ? retint_kernel+0x2d/0x2d
[  374.210867]  ? trace_hardirqs_on_caller+0xc0/0x310
[  374.215834]  ? find_held_lock+0x36/0x1c0
[  374.219906]  ? lock_acquire+0x1ed/0x520
[  374.223883]  ? bpf_test_run+0x3cb/0x780
[  374.227861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.233401]  ? check_preemption_disabled+0x48/0x280
[  374.238429]  ? kasan_check_read+0x11/0x20
[  374.242580]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.247877]  ? rcu_softirq_qs+0x20/0x20
[  374.251855]  ? preempt_schedule+0x4d/0x60
[  374.256002]  ? ___preempt_schedule+0x16/0x18
[  374.260425]  ? bpf_test_run+0x25d/0x780
[  374.264411]  ? netlink_diag_dump+0x2a0/0x2a0
[  374.268821]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.274356]  ? bpf_test_init.isra.10+0x70/0x100
[  374.279055]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  374.283841]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  374.288684]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  374.294226]  ? fput+0x130/0x1a0
[  374.297509]  ? __bpf_prog_get+0x9b/0x290
[  374.301578]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  374.306421]  ? bpf_prog_test_run+0x130/0x1a0
[  374.310836]  ? __x64_sys_bpf+0x3d8/0x520
[  374.314899]  ? bpf_prog_get+0x20/0x20
[  374.318736]  ? do_syscall_64+0x1b9/0x820
[  374.322797]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  374.328162]  ? syscall_return_slowpath+0x5e0/0x5e0
[  374.333121]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.337965]  ? trace_hardirqs_on_caller+0x310/0x310
[  374.342982]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  374.347999]  ? prepare_exit_to_usermode+0x291/0x3b0
[  374.353034]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.357884]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  374.363269] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  374.363275] warn_alloc_show_mem: 1 callbacks suppressed
[  374.363281] Mem-Info:
[  374.370290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  374.375655] active_anon:51179 inactive_anon:236 isolated_anon:0
[  374.375655]  active_file:17 inactive_file:9 isolated_file:0
[  374.375655]  unevictable:0 dirty:0 writeback:0 unstable:0
[  374.375655]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  374.375655]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  374.375655]  free:13694 free_pcp:258 free_cma:0
[  374.378043] Call Trace:
[  374.387470] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  374.420242]  <IRQ>
[  374.422814] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  374.450307]  dump_stack+0x244/0x39d
[  374.452436] lowmem_reserve[]: 0 2818 6321 6321
[  374.478539]  ? dump_stack_print_info.cold.1+0x20/0x20
[  374.482144] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  374.486728]  warn_alloc.cold.116+0xb7/0x1bd
[  374.491888] lowmem_reserve[]: 0 0 3503 3503
[  374.519063]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  374.523359] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  374.527680]  ? lock_downgrade+0x900/0x900
[  374.532493] lowmem_reserve[]: 0 0 0 0
[  374.561462]  ? trace_hardirqs_off+0xb8/0x310
[  374.565580] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  374.569376]  ? trace_hardirqs_off+0xb8/0x310
[  374.573760] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  374.587310]  __alloc_pages_slowpath+0x26e8/0x2e10
[  374.591691] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  374.606970]  ? warn_alloc+0x120/0x120
[  374.611772] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  374.625984]  ? print_usage_bug+0xc0/0xc0
[  374.629766] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  374.638594]  ? warn_alloc+0x120/0x120
[  374.642632] 309 total pagecache pages
[  374.651215]  ? warn_alloc+0x120/0x120
[  374.654998] 0 pages in swap cache
[  374.658794]  ? print_usage_bug+0xc0/0xc0
[  374.662575] Swap cache stats: add 0, delete 0, find 0/0
[  374.666025]  ? print_usage_bug+0xc0/0xc0
[  374.670062] Free swap  = 0kB
[  374.675415]  ? __lock_acquire+0x62f/0x4c20
[  374.679499] Total swap = 0kB
[  374.682517]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.686726] 1965979 pages RAM
[  374.689738]  ? should_fail+0x22d/0xd01
[  374.695247] 0 pages HighMem/MovableOnly
[  374.698344]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.702208] 342853 pages reserved
[  374.706174]  ? __lock_acquire+0x62f/0x4c20
[  374.711251] 0 pages cma reserved
[  374.714696]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.718967] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  374.722255]  ? __lock_acquire+0x62f/0x4c20
[  374.722267]  ? should_fail+0x22d/0xd01
[  374.722281]  ? find_held_lock+0x36/0x1c0
[  374.722302]  ? mark_held_locks+0x130/0x130
[  374.727433] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  374.733867]  ? mark_held_locks+0x130/0x130
[  374.738089] syz-executor2 cpuset=syz2 mems_allowed=0
[  374.741985]  ? zap_class+0x640/0x640
[  374.774232]  ? zap_class+0x640/0x640
[  374.777951]  ? print_usage_bug+0xc0/0xc0
[  374.782034]  ? do_raw_spin_unlock+0xa7/0x330
[  374.786449]  ? zap_class+0x640/0x640
[  374.790162]  ? print_usage_bug+0xc0/0xc0
[  374.794255]  ? wq_watchdog_touch+0x9c/0xfe
[  374.798494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.804049]  ? check_preemption_disabled+0x48/0x280
[  374.809082]  ? __lock_is_held+0xb5/0x140
[  374.813153]  __alloc_pages_nodemask+0xa80/0xde0
[  374.817823]  ? zap_class+0x640/0x640
[  374.821544]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  374.826609]  ? find_held_lock+0x36/0x1c0
[  374.830686]  ? ____cache_alloc_node+0x1c7/0x1e0
[  374.835374]  ? lock_downgrade+0x900/0x900
[  374.839533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.845096]  cache_grow_begin+0xa5/0x8c0
[  374.849170]  ? do_raw_spin_unlock+0xa7/0x330
[  374.853635]  fallback_alloc+0x204/0x2e0
[  374.857638]  ____cache_alloc_node+0x1c7/0x1e0
[  374.862137]  kmem_cache_alloc_node+0xe3/0x730
[  374.866637]  ? ipv6_get_ifaddr+0x42e/0x620
[  374.870883]  __alloc_skb+0x119/0x770
[  374.874599]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.879883]  ? netdev_alloc_frag+0x1f0/0x1f0
[  374.884293]  ? lock_downgrade+0x900/0x900
[  374.888451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.893994]  ? refcount_sub_and_test_checked+0x203/0x310
[  374.899455]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  374.904907]  ? addrconf_rs_timer+0x690/0x690
[  374.909362]  ndisc_alloc_skb+0x144/0x340
[  374.913471]  ndisc_send_rs+0x331/0x6e0
[  374.917364]  addrconf_rs_timer+0x314/0x690
[  374.921607]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.925855]  call_timer_fn+0x272/0x920
[  374.929747]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.933983]  ? process_timeout+0x40/0x40
[  374.938067]  ? mark_held_locks+0xc7/0x130
[  374.942219]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.946729]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.951226]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.955463]  ? lockdep_hardirqs_on+0x296/0x5b0
[  374.960059]  ? trace_hardirqs_on+0xbd/0x310
[  374.964381]  ? kasan_check_read+0x11/0x20
[  374.968557]  ? __run_timers+0x7da/0xc70
[  374.972551]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.977675]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.981914]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.986161]  __run_timers+0x7e5/0xc70
[  374.989976]  ? timer_fixup_init+0x70/0x70
[  374.994134]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  374.999169]  ? zap_class+0x640/0x640
[  375.002891]  ? print_usage_bug+0xc0/0xc0
[  375.006961]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  375.012164]  ? find_held_lock+0x36/0x1c0
[  375.016236]  ? zap_class+0x640/0x640
[  375.019959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.025502]  ? check_preemption_disabled+0x48/0x280
[  375.030529]  ? __lock_is_held+0xb5/0x140
[  375.034612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.040154]  ? check_preemption_disabled+0x48/0x280
[  375.045180]  run_timer_softirq+0x52/0xb0
[  375.049245]  ? rcu_read_lock_sched_held+0x14f/0x180
[  375.054275]  __do_softirq+0x308/0xb7e
[  375.058084]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  375.062583]  ? lock_downgrade+0x900/0x900
[  375.066736]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  375.071851]  ? pvclock_read_flags+0x160/0x160
[  375.076352]  ? lapic_next_event+0x5a/0x90
[  375.080505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.086086]  ? kvm_clock_read+0x18/0x30
[  375.090063]  ? kvm_sched_clock_read+0x9/0x20
[  375.094473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.100072]  ? check_preemption_disabled+0x48/0x280
[  375.105126]  irq_exit+0x17f/0x1c0
[  375.108579]  smp_apic_timer_interrupt+0x1cb/0x760
[  375.113450]  ? smp_reschedule_interrupt+0x109/0x650
[  375.118470]  ? smp_call_function_single_interrupt+0x650/0x650
[  375.124354]  ? interrupt_entry+0xb5/0xc0
[  375.128417]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.133432]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.138452]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.143315]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.148363]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.153380]  ? task_prio+0x50/0x50
[  375.156939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.162479]  ? check_preemption_disabled+0x48/0x280
[  375.167503]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.172353]  apic_timer_interrupt+0xf/0x20
[  375.176583]  </IRQ>
[  375.178825] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  375.184023] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  375.202943] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  375.210664] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  375.217928] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  375.225193] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  375.232462] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  375.239726] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  375.247046]  retint_kernel+0x1b/0x2d
[  375.250767] RIP: 0010:dump_stack+0x358/0x39d
[  375.255179] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  375.274108] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  375.281815] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  375.289085] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  375.296350] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  375.303617] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  375.310884] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  375.318226]  ? dump_stack+0x34f/0x39d
[  375.322054]  ? dump_stack_print_info.cold.1+0x20/0x20
[  375.327251]  ? mark_held_locks+0x130/0x130
[  375.331492]  ? mark_held_locks+0x130/0x130
[  375.335732]  dump_header+0x27b/0xf72
[  375.339458]  ? pagefault_out_of_memory+0x197/0x197
[  375.344410]  ? __lock_acquire+0x62f/0x4c20
[  375.348691]  ? percpu_ref_get_many+0x240/0x240
[  375.353276]  ? print_usage_bug+0xc0/0xc0
[  375.357344]  ? zap_class+0x640/0x640
[  375.361068]  ? print_usage_bug+0xc0/0xc0
[  375.365147]  ? print_usage_bug+0xc0/0xc0
[  375.369238]  ? zap_class+0x640/0x640
[  375.372971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.378550]  ? find_held_lock+0x36/0x1c0
[  375.382622]  ? mark_held_locks+0xc7/0x130
[  375.386775]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  375.391881]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  375.397004]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  375.401605]  ? trace_hardirqs_on+0xbd/0x310
[  375.405927]  ? kasan_check_read+0x11/0x20
[  375.410086]  ? ___ratelimit+0x3b4/0x672
[  375.414067]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.419189]  ? trace_hardirqs_on+0x310/0x310
[  375.423599]  ? lock_downgrade+0x900/0x900
[  375.427752]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  375.432856]  ? ___ratelimit+0x3b9/0x672
[  375.436836]  ? idr_get_free+0xf70/0xf70
[  375.440808]  ? find_held_lock+0x36/0x1c0
[  375.444881]  oom_kill_process.cold.27+0x10/0x903
[  375.449640]  ? zap_class+0x640/0x640
[  375.453359]  ? check_preemption_disabled+0x48/0x280
[  375.458378]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  375.463305]  ? kasan_check_read+0x11/0x20
[  375.467464]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.472744]  ? oom_evaluate_task+0x540/0x540
[  375.477158]  ? find_held_lock+0x36/0x1c0
[  375.481229]  ? out_of_memory+0x974/0x1430
[  375.485383]  ? lock_downgrade+0x900/0x900
[  375.489532]  ? check_preemption_disabled+0x48/0x280
[  375.494550]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  375.499484]  ? kasan_check_read+0x11/0x20
[  375.503646]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.508925]  ? rcu_softirq_qs+0x20/0x20
[  375.512904]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.518437]  ? oom_evaluate_task+0x302/0x540
[  375.522895]  out_of_memory+0xa84/0x1430
[  375.526884]  ? oom_killer_disable+0x3a0/0x3a0
[  375.531402]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  375.536349]  ? __ww_mutex_check_waiters+0x160/0x160
[  375.541381]  __alloc_pages_slowpath+0x2354/0x2e10
[  375.546272]  ? warn_alloc+0x120/0x120
[  375.550090]  ? mark_held_locks+0x130/0x130
[  375.554335]  ? find_get_entry+0xaae/0x1120
[  375.558595]  ? filemap_map_pages+0x1a20/0x1a20
[  375.563180]  ? zap_class+0x640/0x640
[  375.566901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.572471]  ? check_preemption_disabled+0x48/0x280
[  375.577520]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.583065]  ? should_fail+0x22d/0xd01
[  375.586974]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.592103]  ? zap_class+0x640/0x640
[  375.595842]  ? __lock_is_held+0xb5/0x140
[  375.599919]  ? mark_held_locks+0x130/0x130
[  375.604160]  ? lock_release+0xa00/0xa00
[  375.608139]  ? perf_trace_sched_process_exec+0x860/0x860
[  375.613592]  ? xa_load+0x2ba/0x460
[  375.617142]  ? lock_downgrade+0x900/0x900
[  375.621295]  ? __might_sleep+0x95/0x190
[  375.625277]  __alloc_pages_nodemask+0xa80/0xde0
[  375.629956]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  375.634974]  ? __page_cache_alloc+0x191/0x5c0
[  375.639471]  ? xa_load+0x2e1/0x460
[  375.643026]  ? xa_clear_mark+0x40/0x40
[  375.646926]  ? zap_class+0x640/0x640
[  375.650652]  ? zap_class+0x640/0x640
[  375.654366]  ? zap_class+0x640/0x640
[  375.658076]  ? __do_page_cache_readahead+0x663/0x810
[  375.663186]  ? find_held_lock+0x36/0x1c0
[  375.667254]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  375.672800]  alloc_pages_current+0x173/0x350
[  375.677214]  __page_cache_alloc+0x38c/0x5c0
[  375.681534]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  375.686462]  ? kasan_check_read+0x11/0x20
[  375.690607]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.695888]  ? generic_perform_write+0x6a0/0x6a0
[  375.700643]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.706182]  ? check_preemption_disabled+0x48/0x280
[  375.711208]  filemap_fault+0x1595/0x25f0
[  375.715317]  ? __lock_page_or_retry+0xa00/0xa00
[  375.719989]  ? mark_held_locks+0x130/0x130
[  375.724281]  ? filemap_map_pages+0xd6b/0x1a20
[  375.728795]  ? lock_downgrade+0x900/0x900
[  375.732946]  ? check_preemption_disabled+0x48/0x280
[  375.737964]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  375.742889]  ? kasan_check_read+0x11/0x20
[  375.747072]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.752402]  ? rcu_softirq_qs+0x20/0x20
[  375.756416]  ? filemap_map_pages+0xd92/0x1a20
[  375.760936]  ? find_get_entries_tag+0x1400/0x1400
[  375.765776]  ? ep_scan_ready_list+0xbc7/0x1050
[  375.770356]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.775471]  ? lock_acquire+0x1ed/0x520
[  375.779443]  ? ext4_filemap_fault+0x7a/0xad
[  375.783778]  ? lock_release+0xa00/0xa00
[  375.787748]  ? perf_trace_sched_process_exec+0x860/0x860
[  375.793313]  ? print_usage_bug+0xc0/0xc0
[  375.797392]  ? print_usage_bug+0xc0/0xc0
[  375.801481]  ? down_read+0x8d/0x120
[  375.805107]  ? ext4_filemap_fault+0x7a/0xad
[  375.809431]  ? __down_interruptible+0x700/0x700
[  375.814107]  ext4_filemap_fault+0x82/0xad
[  375.818272]  __do_fault+0x100/0x6b0
[  375.821911]  ? pmd_devmap_trans_unstable+0x220/0x220
[  375.827023]  ? mark_held_locks+0x130/0x130
[  375.831297]  ? mark_held_locks+0x130/0x130
[  375.835530]  ? kasan_check_read+0x11/0x20
[  375.839681]  ? ep_poll+0xffa/0x13d0
[  375.843313]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.848421]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.853963]  __handle_mm_fault+0x3ea0/0x5be0
[  375.858373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.863922]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  375.868768]  ? do_epoll_create+0x590/0x590
[  375.873002]  ? kasan_check_read+0x11/0x20
[  375.877186]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.882461]  ? rcu_softirq_qs+0x20/0x20
[  375.886453]  ? zap_class+0x640/0x640
[  375.890167]  ? zap_class+0x640/0x640
[  375.893905]  ? find_held_lock+0x36/0x1c0
[  375.897974]  ? handle_mm_fault+0x42a/0xc70
[  375.902235]  ? lock_downgrade+0x900/0x900
[  375.906385]  ? check_preemption_disabled+0x48/0x280
[  375.911407]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  375.916355]  ? kasan_check_read+0x11/0x20
[  375.920517]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.925792]  ? rcu_softirq_qs+0x20/0x20
[  375.929771]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.934876]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.940445]  ? check_preemption_disabled+0x48/0x280
[  375.945507]  handle_mm_fault+0x54f/0xc70
[  375.949586]  ? __handle_mm_fault+0x5be0/0x5be0
[  375.954188]  ? find_vma+0x34/0x190
[  375.957737]  __do_page_fault+0x5e8/0xe60
[  375.961813]  ? trace_hardirqs_off+0xb8/0x310
[  375.966220]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  375.971768]  do_page_fault+0xf2/0x7e0
[  375.975572]  ? vmalloc_sync_all+0x30/0x30
[  375.979722]  ? error_entry+0x70/0xd0
[  375.983453]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.988479]  ? trace_hardirqs_on_caller+0xc0/0x310
[  375.993410]  ? syscall_return_slowpath+0x5e0/0x5e0
[  375.998337]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.003178]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.008194]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  376.013679]  ? prepare_exit_to_usermode+0x291/0x3b0
[  376.018698]  ? page_fault+0x8/0x30
[  376.022241]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.027102]  ? page_fault+0x8/0x30
[  376.030646]  page_fault+0x1e/0x30
[  376.034095] RIP: 0033:0x45df89
[  376.037299] Code: Bad RIP value.
[  376.040673] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  376.046044] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  376.053333] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  376.060602] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  376.067867] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  376.075135] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  376.082429] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  376.082492] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  376.089791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  376.089800] Call Trace:
[  376.096362] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  376.105622]  <IRQ>
[  376.108194] syz-fuzzer cpuset=/ mems_allowed=0
[  376.118431]  dump_stack+0x244/0x39d
[  376.128758]  ? dump_stack_print_info.cold.1+0x20/0x20
[  376.133961]  warn_alloc.cold.116+0xb7/0x1bd
[  376.138285]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  376.143131]  ? lock_downgrade+0x900/0x900
[  376.147285]  ? trace_hardirqs_off+0xb8/0x310
[  376.151701]  ? trace_hardirqs_off+0xb8/0x310
[  376.156130]  __alloc_pages_slowpath+0x26e8/0x2e10
[  376.161003]  ? warn_alloc+0x120/0x120
[  376.164815]  ? print_usage_bug+0xc0/0xc0
[  376.168881]  ? warn_alloc+0x120/0x120
[  376.172688]  ? warn_alloc+0x120/0x120
[  376.176489]  ? print_usage_bug+0xc0/0xc0
[  376.180564]  ? print_usage_bug+0xc0/0xc0
[  376.184626]  ? __lock_acquire+0x62f/0x4c20
[  376.188865]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.194598]  ? should_fail+0x22d/0xd01
[  376.198510]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.203616]  ? __lock_acquire+0x62f/0x4c20
[  376.207856]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.212971]  ? __lock_acquire+0x62f/0x4c20
[  376.217228]  ? should_fail+0x22d/0xd01
[  376.221133]  ? find_held_lock+0x36/0x1c0
[  376.225201]  ? mark_held_locks+0x130/0x130
[  376.229441]  ? mark_held_locks+0x130/0x130
[  376.233677]  ? zap_class+0x640/0x640
[  376.237394]  ? zap_class+0x640/0x640
[  376.241112]  ? print_usage_bug+0xc0/0xc0
[  376.245177]  ? do_raw_spin_unlock+0xa7/0x330
[  376.249584]  ? zap_class+0x640/0x640
[  376.253300]  ? print_usage_bug+0xc0/0xc0
[  376.257362]  ? wq_watchdog_touch+0x9c/0xfe
[  376.261600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.267140]  ? check_preemption_disabled+0x48/0x280
[  376.272171]  ? __lock_is_held+0xb5/0x140
[  376.276241]  __alloc_pages_nodemask+0xa80/0xde0
[  376.280913]  ? zap_class+0x640/0x640
[  376.284634]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  376.289661]  ? find_held_lock+0x36/0x1c0
[  376.293731]  ? ____cache_alloc_node+0x1c7/0x1e0
[  376.298423]  ? lock_downgrade+0x900/0x900
[  376.302580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.308124]  cache_grow_begin+0xa5/0x8c0
[  376.312183]  ? do_raw_spin_unlock+0xa7/0x330
[  376.316613]  fallback_alloc+0x204/0x2e0
[  376.320598]  ____cache_alloc_node+0x1c7/0x1e0
[  376.325104]  kmem_cache_alloc_node+0xe3/0x730
[  376.329641]  ? ipv6_get_ifaddr+0x42e/0x620
[  376.333888]  __alloc_skb+0x119/0x770
[  376.337604]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.342887]  ? netdev_alloc_frag+0x1f0/0x1f0
[  376.347294]  ? lock_downgrade+0x900/0x900
[  376.351447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.356984]  ? refcount_sub_and_test_checked+0x203/0x310
[  376.362440]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  376.367889]  ? addrconf_rs_timer+0x690/0x690
[  376.372312]  ndisc_alloc_skb+0x144/0x340
[  376.376393]  ndisc_send_rs+0x331/0x6e0
[  376.380295]  addrconf_rs_timer+0x314/0x690
[  376.384535]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.388818]  call_timer_fn+0x272/0x920
[  376.392705]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.396944]  ? process_timeout+0x40/0x40
[  376.401024]  ? __run_timers+0x7da/0xc70
[  376.405002]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.409504]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.413999]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.418245]  ? lockdep_hardirqs_on+0x296/0x5b0
[  376.422834]  ? trace_hardirqs_on+0xbd/0x310
[  376.427171]  ? kasan_check_read+0x11/0x20
[  376.431317]  ? __run_timers+0x7da/0xc70
[  376.435297]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.440409]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.444648]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  376.448886]  __run_timers+0x7e5/0xc70
[  376.452703]  ? timer_fixup_init+0x70/0x70
[  376.456854]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  376.461873]  ? zap_class+0x640/0x640
[  376.465595]  ? enqueue_hrtimer+0x1a5/0x560
[  376.469833]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  376.475041]  ? find_held_lock+0x36/0x1c0
[  376.479123]  ? zap_class+0x640/0x640
[  376.482840]  ? pvclock_read_flags+0x160/0x160
[  376.487353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.492934]  ? check_preemption_disabled+0x48/0x280
[  376.498030]  ? __lock_is_held+0xb5/0x140
[  376.502115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.507657]  ? check_preemption_disabled+0x48/0x280
[  376.512677]  run_timer_softirq+0x52/0xb0
[  376.516768]  ? rcu_read_lock_sched_held+0x14f/0x180
[  376.521786]  __do_softirq+0x308/0xb7e
[  376.525594]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  376.530088]  ? lock_downgrade+0x900/0x900
[  376.534245]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  376.539357]  ? pvclock_read_flags+0x160/0x160
[  376.543858]  ? lapic_next_event+0x5a/0x90
[  376.548013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.553581]  ? kvm_clock_read+0x18/0x30
[  376.557560]  ? kvm_sched_clock_read+0x9/0x20
[  376.561974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.567534]  ? check_preemption_disabled+0x48/0x280
[  376.572570]  irq_exit+0x17f/0x1c0
[  376.576033]  smp_apic_timer_interrupt+0x1cb/0x760
[  376.580893]  ? smp_reschedule_interrupt+0x109/0x650
[  376.585930]  ? smp_call_function_single_interrupt+0x650/0x650
[  376.591819]  ? interrupt_entry+0xb5/0xc0
[  376.595882]  ? trace_hardirqs_off_caller+0xbb/0x310
[  376.600913]  ? trace_hardirqs_off_caller+0xbb/0x310
[  376.605931]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.610944]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.615953]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.620994]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.625885]  apic_timer_interrupt+0xf/0x20
[  376.630141]  </IRQ>
[  376.632377] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  376.637333] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  376.656233] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  376.663938] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  376.671203] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  376.678484] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  376.685752] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  376.693026] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  376.700330]  skb_clone+0x1bb/0x500
[  376.703876]  ? finish_task_switch+0x2f4/0x910
[  376.708375]  ? skb_split+0x11e0/0x11e0
[  376.712284]  ? preempt_notifier_register+0x200/0x200
[  376.717389]  ? __switch_to_asm+0x34/0x70
[  376.721449]  ? __switch_to_asm+0x34/0x70
[  376.725509]  ? __switch_to_asm+0x40/0x70
[  376.729609]  ? __switch_to_asm+0x34/0x70
[  376.733667]  ? __switch_to_asm+0x40/0x70
[  376.737723]  ? __switch_to_asm+0x34/0x70
[  376.741781]  ? __switch_to_asm+0x40/0x70
[  376.746292]  ? __switch_to_asm+0x34/0x70
[  376.750358]  ? __switch_to_asm+0x34/0x70
[  376.754416]  ? __switch_to_asm+0x40/0x70
[  376.758474]  ? __switch_to_asm+0x34/0x70
[  376.762547]  bpf_clone_redirect+0xb9/0x490
[  376.766799]  ? __schedule+0x8d7/0x21d0
[  376.770694]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  376.775712]  ? __sched_text_start+0x8/0x8
[  376.779864]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  376.784445]  ? retint_kernel+0x2d/0x2d
[  376.788331]  ? trace_hardirqs_on_caller+0xc0/0x310
[  376.793266]  ? find_held_lock+0x36/0x1c0
[  376.797338]  ? lock_acquire+0x1ed/0x520
[  376.801313]  ? bpf_test_run+0x3cb/0x780
[  376.805294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.810851]  ? check_preemption_disabled+0x48/0x280
[  376.815877]  ? kasan_check_read+0x11/0x20
[  376.820038]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.825317]  ? rcu_softirq_qs+0x20/0x20
[  376.829295]  ? preempt_schedule+0x4d/0x60
[  376.833444]  ? ___preempt_schedule+0x16/0x18
[  376.837864]  ? bpf_test_run+0x25d/0x780
[  376.841852]  ? netlink_diag_dump+0x2a0/0x2a0
[  376.846265]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.851803]  ? bpf_test_init.isra.10+0x70/0x100
[  376.856483]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  376.861294]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  376.866155]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  376.871692]  ? fput+0x130/0x1a0
[  376.874976]  ? __bpf_prog_get+0x9b/0x290
[  376.879061]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  376.883902]  ? bpf_prog_test_run+0x130/0x1a0
[  376.888334]  ? __x64_sys_bpf+0x3d8/0x520
[  376.892397]  ? bpf_prog_get+0x20/0x20
[  376.896219]  ? do_syscall_64+0x1b9/0x820
[  376.900281]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  376.905651]  ? syscall_return_slowpath+0x5e0/0x5e0
[  376.910581]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.915426]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.920444]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  376.925513]  ? prepare_exit_to_usermode+0x291/0x3b0
[  376.930560]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.935412]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  376.940798] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  376.940804] warn_alloc_show_mem: 1 callbacks suppressed
[  376.940811] Mem-Info:
[  376.947819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  376.953184] active_anon:51179 inactive_anon:236 isolated_anon:0
[  376.953184]  active_file:17 inactive_file:9 isolated_file:0
[  376.953184]  unevictable:0 dirty:0 writeback:0 unstable:0
[  376.953184]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  376.953184]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  376.953184]  free:13694 free_pcp:258 free_cma:0
[  376.955584] Call Trace:
[  376.965013] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  376.997942]  <IRQ>
[  377.000514] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  377.028029]  dump_stack+0x244/0x39d
[  377.030154] lowmem_reserve[]: 0 2818 6321 6321
[  377.056272]  ? dump_stack_print_info.cold.1+0x20/0x20
[  377.059887] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  377.064473]  warn_alloc.cold.116+0xb7/0x1bd
[  377.069631] lowmem_reserve[]: 0 0 3503 3503
[  377.096775]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  377.101114] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  377.105432]  ? lock_downgrade+0x900/0x900
[  377.110246] lowmem_reserve[]: 0 0 0 0
[  377.139219]  ? trace_hardirqs_off+0xb8/0x310
[  377.143339] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  377.147149]  ? trace_hardirqs_off+0xb8/0x310
[  377.151531] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  377.165061]  __alloc_pages_slowpath+0x26e8/0x2e10
[  377.169470] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  377.184671]  ? warn_alloc+0x120/0x120
[  377.189478] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  377.203701]  ? print_usage_bug+0xc0/0xc0
[  377.207487] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  377.216309]  ? warn_alloc+0x120/0x120
[  377.220352] 309 total pagecache pages
[  377.228922]  ? warn_alloc+0x120/0x120
[  377.232702] 0 pages in swap cache
[  377.236500]  ? print_usage_bug+0xc0/0xc0
[  377.240280] Swap cache stats: add 0, delete 0, find 0/0
[  377.243751]  ? kvm_clock_read+0x18/0x30
[  377.247786] Free swap  = 0kB
[  377.253176]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  377.257126] Total swap = 0kB
[  377.260138]  ? print_usage_bug+0xc0/0xc0
[  377.265131] 1965979 pages RAM
[  377.268146]  ? __lock_acquire+0x62f/0x4c20
[  377.272184] 0 pages HighMem/MovableOnly
[  377.275299]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.279501] 342853 pages reserved
[  377.283469]  ? should_fail+0x22d/0xd01
[  377.288975] 0 pages cma reserved
[  377.292416]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.296355] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  377.299659]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.305010] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  377.311418]  ? __lock_acquire+0x62f/0x4c20
[  377.316498] syz-executor2 cpuset=syz2 mems_allowed=0
[  377.326977]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.341381]  ? __lock_acquire+0x62f/0x4c20
[  377.345618]  ? should_fail+0x22d/0xd01
[  377.349506]  ? rcu_irq_exit+0x1a2/0x390
[  377.353491]  ? mark_held_locks+0x130/0x130
[  377.357747]  ? mark_held_locks+0x130/0x130
[  377.362007]  ? mark_held_locks+0xc7/0x130
[  377.366168]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  377.371182]  ? zap_class+0x640/0x640
[  377.374896]  ? print_usage_bug+0xc0/0xc0
[  377.378963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.384500]  ? check_preemption_disabled+0x48/0x280
[  377.389526]  ? __lock_is_held+0xb5/0x140
[  377.393594]  __alloc_pages_nodemask+0xa80/0xde0
[  377.398264]  ? zap_class+0x640/0x640
[  377.401984]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  377.407046]  ? find_held_lock+0x36/0x1c0
[  377.411151]  ? ____cache_alloc_node+0x1c7/0x1e0
[  377.415823]  ? lock_downgrade+0x900/0x900
[  377.419978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.425520]  cache_grow_begin+0xa5/0x8c0
[  377.429584]  ? do_raw_spin_unlock+0xa7/0x330
[  377.434001]  fallback_alloc+0x204/0x2e0
[  377.437998]  ____cache_alloc_node+0x1c7/0x1e0
[  377.442510]  kmem_cache_alloc_node+0xe3/0x730
[  377.447007]  ? ipv6_get_ifaddr+0x42e/0x620
[  377.451284]  __alloc_skb+0x119/0x770
[  377.455023]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.460320]  ? netdev_alloc_frag+0x1f0/0x1f0
[  377.464727]  ? lock_downgrade+0x900/0x900
[  377.468882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.474424]  ? refcount_sub_and_test_checked+0x203/0x310
[  377.479897]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  377.485348]  ? addrconf_rs_timer+0x690/0x690
[  377.489770]  ndisc_alloc_skb+0x144/0x340
[  377.493854]  ndisc_send_rs+0x331/0x6e0
[  377.497750]  addrconf_rs_timer+0x314/0x690
[  377.502028]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.506295]  call_timer_fn+0x272/0x920
[  377.510186]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.514422]  ? process_timeout+0x40/0x40
[  377.518526]  ? mark_held_locks+0xc7/0x130
[  377.522708]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.527202]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.531701]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.535937]  ? lockdep_hardirqs_on+0x296/0x5b0
[  377.540525]  ? trace_hardirqs_on+0xbd/0x310
[  377.544847]  ? kasan_check_read+0x11/0x20
[  377.549032]  ? __run_timers+0x7da/0xc70
[  377.553035]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.558152]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.562395]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.566629]  __run_timers+0x7e5/0xc70
[  377.570516]  ? timer_fixup_init+0x70/0x70
[  377.574667]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  377.579687]  ? zap_class+0x640/0x640
[  377.583422]  ? print_usage_bug+0xc0/0xc0
[  377.587489]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  377.592688]  ? find_held_lock+0x36/0x1c0
[  377.596760]  ? zap_class+0x640/0x640
[  377.600482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.606030]  ? check_preemption_disabled+0x48/0x280
[  377.611107]  ? __lock_is_held+0xb5/0x140
[  377.615187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.620726]  ? check_preemption_disabled+0x48/0x280
[  377.625745]  run_timer_softirq+0x52/0xb0
[  377.629824]  ? rcu_read_lock_sched_held+0x14f/0x180
[  377.634843]  __do_softirq+0x308/0xb7e
[  377.638666]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  377.643159]  ? lock_downgrade+0x900/0x900
[  377.647312]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  377.652427]  ? pvclock_read_flags+0x160/0x160
[  377.656928]  ? lapic_next_event+0x5a/0x90
[  377.661082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.666621]  ? kvm_clock_read+0x18/0x30
[  377.670595]  ? kvm_sched_clock_read+0x9/0x20
[  377.675004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.680550]  ? check_preemption_disabled+0x48/0x280
[  377.685576]  irq_exit+0x17f/0x1c0
[  377.689048]  smp_apic_timer_interrupt+0x1cb/0x760
[  377.693892]  ? smp_reschedule_interrupt+0x109/0x650
[  377.698912]  ? smp_call_function_single_interrupt+0x650/0x650
[  377.704793]  ? interrupt_entry+0xb5/0xc0
[  377.708855]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.713891]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.718914]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.723759]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.728773]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.733807]  ? task_prio+0x50/0x50
[  377.737351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.742904]  ? check_preemption_disabled+0x48/0x280
[  377.747930]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.752800]  apic_timer_interrupt+0xf/0x20
[  377.757077]  </IRQ>
[  377.759316] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  377.764508] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  377.783421] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  377.791143] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  377.798425] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  377.805707] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  377.812974] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  377.820294] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  377.827607]  retint_kernel+0x1b/0x2d
[  377.831325] RIP: 0010:dump_stack+0x358/0x39d
[  377.835736] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  377.854653] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  377.862392] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  377.869656] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  377.876921] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  377.884189] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  377.891471] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  377.898758]  ? dump_stack+0x34f/0x39d
[  377.902570]  ? dump_stack_print_info.cold.1+0x20/0x20
[  377.907766]  ? mark_held_locks+0x130/0x130
[  377.912002]  ? mark_held_locks+0x130/0x130
[  377.916256]  dump_header+0x27b/0xf72
[  377.919986]  ? pagefault_out_of_memory+0x197/0x197
[  377.924932]  ? __lock_acquire+0x62f/0x4c20
[  377.929171]  ? percpu_ref_get_many+0x240/0x240
[  377.933791]  ? print_usage_bug+0xc0/0xc0
[  377.937877]  ? zap_class+0x640/0x640
[  377.941596]  ? print_usage_bug+0xc0/0xc0
[  377.945660]  ? print_usage_bug+0xc0/0xc0
[  377.949727]  ? zap_class+0x640/0x640
[  377.953447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.958989]  ? find_held_lock+0x36/0x1c0
[  377.963071]  ? mark_held_locks+0xc7/0x130
[  377.967223]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  377.972325]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  377.977430]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  377.982014]  ? trace_hardirqs_on+0xbd/0x310
[  377.986349]  ? kasan_check_read+0x11/0x20
[  377.990496]  ? ___ratelimit+0x3b4/0x672
[  377.994487]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.999593]  ? trace_hardirqs_on+0x310/0x310
[  378.004006]  ? lock_downgrade+0x900/0x900
[  378.008173]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  378.013278]  ? ___ratelimit+0x3b9/0x672
[  378.017255]  ? idr_get_free+0xf70/0xf70
[  378.021232]  ? find_held_lock+0x36/0x1c0
[  378.025309]  oom_kill_process.cold.27+0x10/0x903
[  378.030069]  ? zap_class+0x640/0x640
[  378.033788]  ? check_preemption_disabled+0x48/0x280
[  378.038808]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.043752]  ? kasan_check_read+0x11/0x20
[  378.047907]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.053186]  ? oom_evaluate_task+0x540/0x540
[  378.057612]  ? find_held_lock+0x36/0x1c0
[  378.061708]  ? out_of_memory+0x974/0x1430
[  378.065857]  ? lock_downgrade+0x900/0x900
[  378.070029]  ? check_preemption_disabled+0x48/0x280
[  378.075099]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.080036]  ? kasan_check_read+0x11/0x20
[  378.084191]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.089467]  ? rcu_softirq_qs+0x20/0x20
[  378.093453]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.098990]  ? oom_evaluate_task+0x302/0x540
[  378.103412]  out_of_memory+0xa84/0x1430
[  378.107400]  ? oom_killer_disable+0x3a0/0x3a0
[  378.111901]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  378.116834]  ? __ww_mutex_check_waiters+0x160/0x160
[  378.121861]  __alloc_pages_slowpath+0x2354/0x2e10
[  378.126752]  ? warn_alloc+0x120/0x120
[  378.130554]  ? mark_held_locks+0x130/0x130
[  378.134799]  ? find_get_entry+0xaae/0x1120
[  378.139071]  ? filemap_map_pages+0x1a20/0x1a20
[  378.143674]  ? zap_class+0x640/0x640
[  378.147413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.152951]  ? check_preemption_disabled+0x48/0x280
[  378.157973]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.163525]  ? should_fail+0x22d/0xd01
[  378.167435]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.172538]  ? zap_class+0x640/0x640
[  378.176276]  ? __lock_is_held+0xb5/0x140
[  378.180345]  ? mark_held_locks+0x130/0x130
[  378.184581]  ? lock_release+0xa00/0xa00
[  378.188554]  ? perf_trace_sched_process_exec+0x860/0x860
[  378.194003]  ? xa_load+0x2ba/0x460
[  378.197562]  ? lock_downgrade+0x900/0x900
[  378.201718]  ? __might_sleep+0x95/0x190
[  378.205698]  __alloc_pages_nodemask+0xa80/0xde0
[  378.210402]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  378.215445]  ? __page_cache_alloc+0x191/0x5c0
[  378.219939]  ? xa_load+0x2e1/0x460
[  378.223483]  ? xa_clear_mark+0x40/0x40
[  378.227388]  ? zap_class+0x640/0x640
[  378.231111]  ? zap_class+0x640/0x640
[  378.234839]  ? zap_class+0x640/0x640
[  378.238557]  ? __do_page_cache_readahead+0x663/0x810
[  378.243668]  ? find_held_lock+0x36/0x1c0
[  378.247736]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  378.253287]  alloc_pages_current+0x173/0x350
[  378.257702]  __page_cache_alloc+0x38c/0x5c0
[  378.262075]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.267059]  ? kasan_check_read+0x11/0x20
[  378.271206]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.276520]  ? generic_perform_write+0x6a0/0x6a0
[  378.281295]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.286838]  ? check_preemption_disabled+0x48/0x280
[  378.291864]  filemap_fault+0x1595/0x25f0
[  378.295940]  ? __lock_page_or_retry+0xa00/0xa00
[  378.300621]  ? mark_held_locks+0x130/0x130
[  378.304864]  ? filemap_map_pages+0xd6b/0x1a20
[  378.309362]  ? lock_downgrade+0x900/0x900
[  378.313511]  ? check_preemption_disabled+0x48/0x280
[  378.318559]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.323504]  ? kasan_check_read+0x11/0x20
[  378.327648]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.332927]  ? rcu_softirq_qs+0x20/0x20
[  378.336914]  ? filemap_map_pages+0xd92/0x1a20
[  378.341450]  ? find_get_entries_tag+0x1400/0x1400
[  378.346293]  ? ep_scan_ready_list+0xbc7/0x1050
[  378.350878]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.356013]  ? lock_acquire+0x1ed/0x520
[  378.360003]  ? ext4_filemap_fault+0x7a/0xad
[  378.364375]  ? lock_release+0xa00/0xa00
[  378.368363]  ? perf_trace_sched_process_exec+0x860/0x860
[  378.373844]  ? print_usage_bug+0xc0/0xc0
[  378.377907]  ? print_usage_bug+0xc0/0xc0
[  378.381981]  ? down_read+0x8d/0x120
[  378.385637]  ? ext4_filemap_fault+0x7a/0xad
[  378.389963]  ? __down_interruptible+0x700/0x700
[  378.394672]  ext4_filemap_fault+0x82/0xad
[  378.398836]  __do_fault+0x100/0x6b0
[  378.402471]  ? pmd_devmap_trans_unstable+0x220/0x220
[  378.407577]  ? mark_held_locks+0x130/0x130
[  378.411813]  ? mark_held_locks+0x130/0x130
[  378.416060]  ? kasan_check_read+0x11/0x20
[  378.420213]  ? ep_poll+0xffa/0x13d0
[  378.423842]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.428954]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.434586]  __handle_mm_fault+0x3ea0/0x5be0
[  378.438995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.444580]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  378.449427]  ? do_epoll_create+0x590/0x590
[  378.453663]  ? kasan_check_read+0x11/0x20
[  378.457809]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.463085]  ? rcu_softirq_qs+0x20/0x20
[  378.467107]  ? zap_class+0x640/0x640
[  378.470822]  ? zap_class+0x640/0x640
[  378.474542]  ? find_held_lock+0x36/0x1c0
[  378.478616]  ? handle_mm_fault+0x42a/0xc70
[  378.482853]  ? lock_downgrade+0x900/0x900
[  378.487023]  ? check_preemption_disabled+0x48/0x280
[  378.492061]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.496987]  ? kasan_check_read+0x11/0x20
[  378.501164]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.506439]  ? rcu_softirq_qs+0x20/0x20
[  378.510414]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.515517]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.521066]  ? check_preemption_disabled+0x48/0x280
[  378.526094]  handle_mm_fault+0x54f/0xc70
[  378.530163]  ? __handle_mm_fault+0x5be0/0x5be0
[  378.534754]  ? find_vma+0x34/0x190
[  378.538303]  __do_page_fault+0x5e8/0xe60
[  378.542367]  ? trace_hardirqs_off+0xb8/0x310
[  378.546780]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  378.552329]  do_page_fault+0xf2/0x7e0
[  378.556132]  ? vmalloc_sync_all+0x30/0x30
[  378.560282]  ? error_entry+0x70/0xd0
[  378.564001]  ? trace_hardirqs_off_caller+0xbb/0x310
[  378.569034]  ? trace_hardirqs_on_caller+0xc0/0x310
[  378.573974]  ? syscall_return_slowpath+0x5e0/0x5e0
[  378.578905]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.583753]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.588767]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  378.594219]  ? prepare_exit_to_usermode+0x291/0x3b0
[  378.599269]  ? page_fault+0x8/0x30
[  378.602845]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.607694]  ? page_fault+0x8/0x30
[  378.611737]  page_fault+0x1e/0x30
[  378.615188] RIP: 0033:0x45df89
[  378.618419] Code: Bad RIP value.
[  378.621781] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  378.627138] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  378.634400] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  378.641668] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  378.648934] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  378.656201] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  378.663510] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  378.663600] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  378.670876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  378.670886] Call Trace:
[  378.677462] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  378.686709]  <IRQ>
[  378.689279] syz-fuzzer cpuset=/ mems_allowed=0
[  378.699501]  dump_stack+0x244/0x39d
[  378.709821]  ? dump_stack_print_info.cold.1+0x20/0x20
[  378.715035]  warn_alloc.cold.116+0xb7/0x1bd
[  378.719362]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  378.724211]  ? lock_downgrade+0x900/0x900
[  378.728383]  ? trace_hardirqs_off+0xb8/0x310
[  378.732823]  ? trace_hardirqs_off+0xb8/0x310
[  378.737237]  __alloc_pages_slowpath+0x26e8/0x2e10
[  378.742107]  ? warn_alloc+0x120/0x120
[  378.746382]  ? print_usage_bug+0xc0/0xc0
[  378.750461]  ? warn_alloc+0x120/0x120
[  378.754267]  ? warn_alloc+0x120/0x120
[  378.758084]  ? print_usage_bug+0xc0/0xc0
[  378.762147]  ? kvm_clock_read+0x18/0x30
[  378.766125]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  378.771146]  ? print_usage_bug+0xc0/0xc0
[  378.775210]  ? __lock_acquire+0x62f/0x4c20
[  378.779452]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.785001]  ? should_fail+0x22d/0xd01
[  378.788929]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.794206]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.799312]  ? __lock_acquire+0x62f/0x4c20
[  378.803557]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.808676]  ? __lock_acquire+0x62f/0x4c20
[  378.812938]  ? should_fail+0x22d/0xd01
[  378.816837]  ? rcu_irq_exit+0x1a2/0x390
[  378.820852]  ? mark_held_locks+0x130/0x130
[  378.825092]  ? mark_held_locks+0x130/0x130
[  378.829334]  ? mark_held_locks+0xc7/0x130
[  378.833481]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  378.838523]  ? zap_class+0x640/0x640
[  378.842245]  ? print_usage_bug+0xc0/0xc0
[  378.846341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.851881]  ? check_preemption_disabled+0x48/0x280
[  378.856910]  ? __lock_is_held+0xb5/0x140
[  378.860977]  __alloc_pages_nodemask+0xa80/0xde0
[  378.865645]  ? zap_class+0x640/0x640
[  378.869364]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  378.874395]  ? find_held_lock+0x36/0x1c0
[  378.878471]  ? ____cache_alloc_node+0x1c7/0x1e0
[  378.883154]  ? lock_downgrade+0x900/0x900
[  378.887320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.892867]  cache_grow_begin+0xa5/0x8c0
[  378.896939]  ? do_raw_spin_unlock+0xa7/0x330
[  378.901375]  fallback_alloc+0x204/0x2e0
[  378.905362]  ____cache_alloc_node+0x1c7/0x1e0
[  378.909864]  kmem_cache_alloc_node+0xe3/0x730
[  378.914368]  ? ipv6_get_ifaddr+0x42e/0x620
[  378.918616]  __alloc_skb+0x119/0x770
[  378.922328]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.927615]  ? netdev_alloc_frag+0x1f0/0x1f0
[  378.932031]  ? lock_downgrade+0x900/0x900
[  378.936187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.941729]  ? refcount_sub_and_test_checked+0x203/0x310
[  378.947210]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  378.952674]  ? addrconf_rs_timer+0x690/0x690
[  378.957099]  ndisc_alloc_skb+0x144/0x340
[  378.961165]  ndisc_send_rs+0x331/0x6e0
[  378.965061]  addrconf_rs_timer+0x314/0x690
[  378.969344]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.973594]  call_timer_fn+0x272/0x920
[  378.977498]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.981732]  ? process_timeout+0x40/0x40
[  378.985816]  ? __run_timers+0x7da/0xc70
[  378.989791]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.994283]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.998791]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.003059]  ? lockdep_hardirqs_on+0x296/0x5b0
[  379.007660]  ? trace_hardirqs_on+0xbd/0x310
[  379.011987]  ? kasan_check_read+0x11/0x20
[  379.016155]  ? __run_timers+0x7da/0xc70
[  379.020137]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.025260]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.029519]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.033799]  __run_timers+0x7e5/0xc70
[  379.037627]  ? timer_fixup_init+0x70/0x70
[  379.041879]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  379.046899]  ? zap_class+0x640/0x640
[  379.050615]  ? enqueue_hrtimer+0x1a5/0x560
[  379.054867]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  379.060065]  ? find_held_lock+0x36/0x1c0
[  379.064139]  ? zap_class+0x640/0x640
[  379.067862]  ? pvclock_read_flags+0x160/0x160
[  379.072363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.077919]  ? check_preemption_disabled+0x48/0x280
[  379.082947]  ? __lock_is_held+0xb5/0x140
[  379.087009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.092562]  ? check_preemption_disabled+0x48/0x280
[  379.097640]  run_timer_softirq+0x52/0xb0
[  379.101702]  ? rcu_read_lock_sched_held+0x14f/0x180
[  379.106717]  __do_softirq+0x308/0xb7e
[  379.110536]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  379.115040]  ? lock_downgrade+0x900/0x900
[  379.119194]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  379.124305]  ? pvclock_read_flags+0x160/0x160
[  379.128805]  ? lapic_next_event+0x5a/0x90
[  379.132965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.138508]  ? kvm_clock_read+0x18/0x30
[  379.142500]  ? kvm_sched_clock_read+0x9/0x20
[  379.146912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.152455]  ? check_preemption_disabled+0x48/0x280
[  379.157498]  irq_exit+0x17f/0x1c0
[  379.160971]  smp_apic_timer_interrupt+0x1cb/0x760
[  379.165809]  ? smp_reschedule_interrupt+0x109/0x650
[  379.170829]  ? smp_call_function_single_interrupt+0x650/0x650
[  379.176711]  ? interrupt_entry+0xb5/0xc0
[  379.180777]  ? trace_hardirqs_off_caller+0xbb/0x310
[  379.185795]  ? trace_hardirqs_off_caller+0xbb/0x310
[  379.190831]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.195692]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.200708]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.205751]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.210634]  apic_timer_interrupt+0xf/0x20
[  379.214887]  </IRQ>
[  379.217159] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  379.222092] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  379.240989] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  379.248699] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  379.255967] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  379.263234] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  379.270503] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  379.277771] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  379.285085]  skb_clone+0x1bb/0x500
[  379.288632]  ? finish_task_switch+0x2f4/0x910
[  379.293130]  ? skb_split+0x11e0/0x11e0
[  379.297031]  ? preempt_notifier_register+0x200/0x200
[  379.302137]  ? __switch_to_asm+0x34/0x70
[  379.306195]  ? __switch_to_asm+0x34/0x70
[  379.310275]  ? __switch_to_asm+0x40/0x70
[  379.314345]  ? __switch_to_asm+0x34/0x70
[  379.318414]  ? __switch_to_asm+0x40/0x70
[  379.322471]  ? __switch_to_asm+0x34/0x70
[  379.326532]  ? __switch_to_asm+0x40/0x70
[  379.330599]  ? __switch_to_asm+0x34/0x70
[  379.334689]  ? __switch_to_asm+0x34/0x70
[  379.338766]  ? __switch_to_asm+0x40/0x70
[  379.342828]  ? __switch_to_asm+0x34/0x70
[  379.346896]  bpf_clone_redirect+0xb9/0x490
[  379.351148]  ? __schedule+0x8d7/0x21d0
[  379.355045]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  379.360087]  ? __sched_text_start+0x8/0x8
[  379.364239]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  379.368820]  ? retint_kernel+0x2d/0x2d
[  379.372706]  ? trace_hardirqs_on_caller+0xc0/0x310
[  379.377675]  ? find_held_lock+0x36/0x1c0
[  379.381742]  ? lock_acquire+0x1ed/0x520
[  379.385737]  ? bpf_test_run+0x3cb/0x780
[  379.389717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.395258]  ? check_preemption_disabled+0x48/0x280
[  379.400284]  ? kasan_check_read+0x11/0x20
[  379.404434]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.409709]  ? rcu_softirq_qs+0x20/0x20
[  379.413704]  ? preempt_schedule+0x4d/0x60
[  379.417858]  ? ___preempt_schedule+0x16/0x18
[  379.422278]  ? bpf_test_run+0x25d/0x780
[  379.426267]  ? netlink_diag_dump+0x2a0/0x2a0
[  379.430698]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.436238]  ? bpf_test_init.isra.10+0x70/0x100
[  379.440915]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  379.445682]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  379.450560]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  379.456100]  ? fput+0x130/0x1a0
[  379.459384]  ? __bpf_prog_get+0x9b/0x290
[  379.463447]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  379.468287]  ? bpf_prog_test_run+0x130/0x1a0
[  379.472702]  ? __x64_sys_bpf+0x3d8/0x520
[  379.476786]  ? bpf_prog_get+0x20/0x20
[  379.480608]  ? do_syscall_64+0x1b9/0x820
[  379.484671]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  379.490047]  ? syscall_return_slowpath+0x5e0/0x5e0
[  379.494977]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.499823]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.504841]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  379.509862]  ? prepare_exit_to_usermode+0x291/0x3b0
[  379.514884]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.519750]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  379.525150] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  379.525155] warn_alloc_show_mem: 1 callbacks suppressed
[  379.525163] Mem-Info:
[  379.532177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  379.537558] active_anon:51179 inactive_anon:236 isolated_anon:0
[  379.537558]  active_file:17 inactive_file:9 isolated_file:0
[  379.537558]  unevictable:0 dirty:0 writeback:0 unstable:0
[  379.537558]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  379.537558]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  379.537558]  free:13694 free_pcp:258 free_cma:0
[  379.539922] Call Trace:
[  379.549312] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  379.582069]  <IRQ>
[  379.584666] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  379.612184]  dump_stack+0x244/0x39d
[  379.614309] lowmem_reserve[]: 0 2818 6321 6321
[  379.640465]  ? dump_stack_print_info.cold.1+0x20/0x20
[  379.644071] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  379.648654]  warn_alloc.cold.116+0xb7/0x1bd
[  379.653809] lowmem_reserve[]: 0 0 3503 3503
[  379.680971]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  379.685272] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  379.689587]  ? lock_downgrade+0x900/0x900
[  379.694407] lowmem_reserve[]: 0 0 0 0
[  379.723383]  ? trace_hardirqs_off+0xb8/0x310
[  379.727523] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  379.731338]  ? trace_hardirqs_off+0xb8/0x310
[  379.735724] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  379.749246]  __alloc_pages_slowpath+0x26e8/0x2e10
[  379.753625] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  379.768816]  ? warn_alloc+0x120/0x120
[  379.773614] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  379.787832]  ? print_usage_bug+0xc0/0xc0
[  379.791612] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  379.800436]  ? warn_alloc+0x120/0x120
[  379.804475] 309 total pagecache pages
[  379.813058]  ? warn_alloc+0x120/0x120
[  379.816837] 0 pages in swap cache
[  379.820630]  ? print_usage_bug+0xc0/0xc0
[  379.824408] Swap cache stats: add 0, delete 0, find 0/0
[  379.827870]  ? kvm_clock_read+0x18/0x30
[  379.831903] Free swap  = 0kB
[  379.831912] Total swap = 0kB
[  379.837275]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  379.841225] 1965979 pages RAM
[  379.844240]  ? print_usage_bug+0xc0/0xc0
[  379.847253] 0 pages HighMem/MovableOnly
[  379.852261]  ? __lock_acquire+0x62f/0x4c20
[  379.855342] 342853 pages reserved
[  379.859407]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.863352] 0 pages cma reserved
[  379.867575]  ? should_fail+0x22d/0xd01
[  379.871093] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  379.876527]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.876546]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.876561]  ? __lock_acquire+0x62f/0x4c20
[  379.876580]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.879984] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  379.883811]  ? __lock_acquire+0x62f/0x4c20
[  379.890279] syz-executor2 cpuset=syz2 mems_allowed=0
[  379.895561]  ? should_fail+0x22d/0xd01
[  379.933629]  ? rcu_irq_exit+0x1a2/0x390
[  379.937626]  ? mark_held_locks+0x130/0x130
[  379.941883]  ? mark_held_locks+0x130/0x130
[  379.946125]  ? mark_held_locks+0xc7/0x130
[  379.950278]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  379.955304]  ? zap_class+0x640/0x640
[  379.959028]  ? print_usage_bug+0xc0/0xc0
[  379.963102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.968643]  ? check_preemption_disabled+0x48/0x280
[  379.973671]  ? __lock_is_held+0xb5/0x140
[  379.977737]  __alloc_pages_nodemask+0xa80/0xde0
[  379.982423]  ? zap_class+0x640/0x640
[  379.986162]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  379.991190]  ? find_held_lock+0x36/0x1c0
[  379.995267]  ? ____cache_alloc_node+0x1c7/0x1e0
[  379.999939]  ? lock_downgrade+0x900/0x900
[  380.004096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.009638]  cache_grow_begin+0xa5/0x8c0
[  380.013701]  ? do_raw_spin_unlock+0xa7/0x330
[  380.018121]  fallback_alloc+0x204/0x2e0
[  380.022106]  ____cache_alloc_node+0x1c7/0x1e0
[  380.026612]  kmem_cache_alloc_node+0xe3/0x730
[  380.031108]  ? ipv6_get_ifaddr+0x42e/0x620
[  380.035353]  __alloc_skb+0x119/0x770
[  380.039076]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.044357]  ? netdev_alloc_frag+0x1f0/0x1f0
[  380.048770]  ? lock_downgrade+0x900/0x900
[  380.052941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.058480]  ? refcount_sub_and_test_checked+0x203/0x310
[  380.063939]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  380.069394]  ? addrconf_rs_timer+0x690/0x690
[  380.073821]  ndisc_alloc_skb+0x144/0x340
[  380.077889]  ndisc_send_rs+0x331/0x6e0
[  380.081783]  addrconf_rs_timer+0x314/0x690
[  380.086033]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.090292]  call_timer_fn+0x272/0x920
[  380.094179]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.098414]  ? process_timeout+0x40/0x40
[  380.102485]  ? mark_held_locks+0xc7/0x130
[  380.106638]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.111132]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.115624]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.119887]  ? lockdep_hardirqs_on+0x296/0x5b0
[  380.124475]  ? trace_hardirqs_on+0xbd/0x310
[  380.128798]  ? kasan_check_read+0x11/0x20
[  380.132946]  ? __run_timers+0x7da/0xc70
[  380.136923]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.142048]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.146290]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.150523]  __run_timers+0x7e5/0xc70
[  380.154342]  ? timer_fixup_init+0x70/0x70
[  380.158492]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  380.163508]  ? zap_class+0x640/0x640
[  380.167247]  ? print_usage_bug+0xc0/0xc0
[  380.171313]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  380.176514]  ? find_held_lock+0x36/0x1c0
[  380.180578]  ? zap_class+0x640/0x640
[  380.184309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.189851]  ? check_preemption_disabled+0x48/0x280
[  380.194893]  ? __lock_is_held+0xb5/0x140
[  380.198987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.204536]  ? check_preemption_disabled+0x48/0x280
[  380.209593]  run_timer_softirq+0x52/0xb0
[  380.213657]  ? rcu_read_lock_sched_held+0x14f/0x180
[  380.218673]  __do_softirq+0x308/0xb7e
[  380.222480]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  380.226975]  ? lock_downgrade+0x900/0x900
[  380.231128]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  380.236239]  ? pvclock_read_flags+0x160/0x160
[  380.240737]  ? lapic_next_event+0x5a/0x90
[  380.244906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.250450]  ? kvm_clock_read+0x18/0x30
[  380.254423]  ? kvm_sched_clock_read+0x9/0x20
[  380.258834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.264369]  ? check_preemption_disabled+0x48/0x280
[  380.269392]  irq_exit+0x17f/0x1c0
[  380.272849]  smp_apic_timer_interrupt+0x1cb/0x760
[  380.277706]  ? smp_reschedule_interrupt+0x109/0x650
[  380.282727]  ? smp_call_function_single_interrupt+0x650/0x650
[  380.288612]  ? interrupt_entry+0xb5/0xc0
[  380.292691]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.297721]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.302740]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.307584]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.312598]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.317624]  ? task_prio+0x50/0x50
[  380.321200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.326740]  ? check_preemption_disabled+0x48/0x280
[  380.331764]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.336619]  apic_timer_interrupt+0xf/0x20
[  380.340867]  </IRQ>
[  380.343125] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  380.348348] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  380.367248] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  380.374959] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  380.382228] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  380.389493] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  380.396764] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  380.404045] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  380.411462]  retint_kernel+0x1b/0x2d
[  380.415195] RIP: 0010:dump_stack+0x358/0x39d
[  380.419602] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  380.438498] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  380.446204] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  380.453485] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  380.460749] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  380.468011] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  380.475284] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  380.482566]  ? dump_stack+0x34f/0x39d
[  380.486382]  ? dump_stack_print_info.cold.1+0x20/0x20
[  380.491574]  ? mark_held_locks+0x130/0x130
[  380.495834]  ? mark_held_locks+0x130/0x130
[  380.500071]  dump_header+0x27b/0xf72
[  380.503813]  ? pagefault_out_of_memory+0x197/0x197
[  380.508752]  ? __lock_acquire+0x62f/0x4c20
[  380.513023]  ? percpu_ref_get_many+0x240/0x240
[  380.517630]  ? print_usage_bug+0xc0/0xc0
[  380.521698]  ? zap_class+0x640/0x640
[  380.525414]  ? print_usage_bug+0xc0/0xc0
[  380.529477]  ? print_usage_bug+0xc0/0xc0
[  380.533538]  ? zap_class+0x640/0x640
[  380.537256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.542813]  ? find_held_lock+0x36/0x1c0
[  380.546883]  ? mark_held_locks+0xc7/0x130
[  380.551046]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  380.556153]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  380.561259]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  380.565845]  ? trace_hardirqs_on+0xbd/0x310
[  380.570167]  ? kasan_check_read+0x11/0x20
[  380.574326]  ? ___ratelimit+0x3b4/0x672
[  380.578313]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.583417]  ? trace_hardirqs_on+0x310/0x310
[  380.587830]  ? lock_downgrade+0x900/0x900
[  380.591988]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  380.597123]  ? ___ratelimit+0x3b9/0x672
[  380.601101]  ? idr_get_free+0xf70/0xf70
[  380.605171]  ? find_held_lock+0x36/0x1c0
[  380.609248]  oom_kill_process.cold.27+0x10/0x903
[  380.614489]  ? zap_class+0x640/0x640
[  380.618204]  ? check_preemption_disabled+0x48/0x280
[  380.623225]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  380.628155]  ? kasan_check_read+0x11/0x20
[  380.632308]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.637587]  ? oom_evaluate_task+0x540/0x540
[  380.641999]  ? find_held_lock+0x36/0x1c0
[  380.646083]  ? out_of_memory+0x974/0x1430
[  380.650248]  ? lock_downgrade+0x900/0x900
[  380.654413]  ? check_preemption_disabled+0x48/0x280
[  380.659430]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  380.664357]  ? kasan_check_read+0x11/0x20
[  380.668509]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.673784]  ? rcu_softirq_qs+0x20/0x20
[  380.677761]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.683297]  ? oom_evaluate_task+0x302/0x540
[  380.687710]  out_of_memory+0xa84/0x1430
[  380.691695]  ? oom_killer_disable+0x3a0/0x3a0
[  380.696193]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  380.701160]  ? __ww_mutex_check_waiters+0x160/0x160
[  380.706189]  __alloc_pages_slowpath+0x2354/0x2e10
[  380.711108]  ? warn_alloc+0x120/0x120
[  380.714910]  ? mark_held_locks+0x130/0x130
[  380.719150]  ? find_get_entry+0xaae/0x1120
[  380.723393]  ? filemap_map_pages+0x1a20/0x1a20
[  380.728504]  ? zap_class+0x640/0x640
[  380.732226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.737885]  ? check_preemption_disabled+0x48/0x280
[  380.743067]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.748606]  ? should_fail+0x22d/0xd01
[  380.752501]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.757604]  ? zap_class+0x640/0x640
[  380.761343]  ? __lock_is_held+0xb5/0x140
[  380.765431]  ? mark_held_locks+0x130/0x130
[  380.769699]  ? lock_release+0xa00/0xa00
[  380.773676]  ? perf_trace_sched_process_exec+0x860/0x860
[  380.779128]  ? xa_load+0x2ba/0x460
[  380.782671]  ? lock_downgrade+0x900/0x900
[  380.786824]  ? __might_sleep+0x95/0x190
[  380.790847]  __alloc_pages_nodemask+0xa80/0xde0
[  380.795533]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  380.800551]  ? __page_cache_alloc+0x191/0x5c0
[  380.805056]  ? xa_load+0x2e1/0x460
[  380.808598]  ? xa_clear_mark+0x40/0x40
[  380.812489]  ? zap_class+0x640/0x640
[  380.816214]  ? zap_class+0x640/0x640
[  380.819929]  ? zap_class+0x640/0x640
[  380.823645]  ? __do_page_cache_readahead+0x663/0x810
[  380.828750]  ? find_held_lock+0x36/0x1c0
[  380.832819]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  380.838378]  alloc_pages_current+0x173/0x350
[  380.842840]  __page_cache_alloc+0x38c/0x5c0
[  380.847161]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  380.852104]  ? kasan_check_read+0x11/0x20
[  380.856250]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.861530]  ? generic_perform_write+0x6a0/0x6a0
[  380.866293]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.871831]  ? check_preemption_disabled+0x48/0x280
[  380.876856]  filemap_fault+0x1595/0x25f0
[  380.880935]  ? __lock_page_or_retry+0xa00/0xa00
[  380.885606]  ? mark_held_locks+0x130/0x130
[  380.889852]  ? filemap_map_pages+0xd6b/0x1a20
[  380.894349]  ? lock_downgrade+0x900/0x900
[  380.898497]  ? check_preemption_disabled+0x48/0x280
[  380.903518]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  380.908461]  ? kasan_check_read+0x11/0x20
[  380.912613]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.917892]  ? rcu_softirq_qs+0x20/0x20
[  380.921881]  ? filemap_map_pages+0xd92/0x1a20
[  380.926392]  ? find_get_entries_tag+0x1400/0x1400
[  380.931235]  ? ep_scan_ready_list+0xbc7/0x1050
[  380.935821]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.940956]  ? lock_acquire+0x1ed/0x520
[  380.944947]  ? ext4_filemap_fault+0x7a/0xad
[  380.949279]  ? lock_release+0xa00/0xa00
[  380.953253]  ? perf_trace_sched_process_exec+0x860/0x860
[  380.958703]  ? print_usage_bug+0xc0/0xc0
[  380.962764]  ? print_usage_bug+0xc0/0xc0
[  380.966836]  ? down_read+0x8d/0x120
[  380.970465]  ? ext4_filemap_fault+0x7a/0xad
[  380.974787]  ? __down_interruptible+0x700/0x700
[  380.979469]  ext4_filemap_fault+0x82/0xad
[  380.983622]  __do_fault+0x100/0x6b0
[  380.987258]  ? pmd_devmap_trans_unstable+0x220/0x220
[  380.992364]  ? mark_held_locks+0x130/0x130
[  380.996599]  ? mark_held_locks+0x130/0x130
[  381.000834]  ? kasan_check_read+0x11/0x20
[  381.004984]  ? ep_poll+0xffa/0x13d0
[  381.008622]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.013733]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.019277]  __handle_mm_fault+0x3ea0/0x5be0
[  381.023696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.029258]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  381.034106]  ? do_epoll_create+0x590/0x590
[  381.038343]  ? kasan_check_read+0x11/0x20
[  381.042504]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.047779]  ? rcu_softirq_qs+0x20/0x20
[  381.051786]  ? zap_class+0x640/0x640
[  381.055501]  ? zap_class+0x640/0x640
[  381.059237]  ? find_held_lock+0x36/0x1c0
[  381.063308]  ? handle_mm_fault+0x42a/0xc70
[  381.067546]  ? lock_downgrade+0x900/0x900
[  381.071712]  ? check_preemption_disabled+0x48/0x280
[  381.076730]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.081659]  ? kasan_check_read+0x11/0x20
[  381.085811]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.091091]  ? rcu_softirq_qs+0x20/0x20
[  381.095069]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.100175]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.105718]  ? check_preemption_disabled+0x48/0x280
[  381.110745]  handle_mm_fault+0x54f/0xc70
[  381.114813]  ? __handle_mm_fault+0x5be0/0x5be0
[  381.119407]  ? find_vma+0x34/0x190
[  381.122954]  __do_page_fault+0x5e8/0xe60
[  381.127044]  ? trace_hardirqs_off+0xb8/0x310
[  381.131456]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  381.137004]  do_page_fault+0xf2/0x7e0
[  381.140829]  ? vmalloc_sync_all+0x30/0x30
[  381.144979]  ? error_entry+0x70/0xd0
[  381.148698]  ? trace_hardirqs_off_caller+0xbb/0x310
[  381.153716]  ? trace_hardirqs_on_caller+0xc0/0x310
[  381.158649]  ? syscall_return_slowpath+0x5e0/0x5e0
[  381.163577]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.168439]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.173471]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  381.178928]  ? prepare_exit_to_usermode+0x291/0x3b0
[  381.183944]  ? page_fault+0x8/0x30
[  381.187491]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.192352]  ? page_fault+0x8/0x30
[  381.195922]  page_fault+0x1e/0x30
[  381.199393] RIP: 0033:0x45df89
[  381.202597] Code: Bad RIP value.
[  381.205957] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  381.211332] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  381.218615] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  381.225882] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  381.233150] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  381.240418] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  381.247712] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  381.247778] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  381.255077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  381.255082] Call Trace:
[  381.255089]  <IRQ>
[  381.255108]  dump_stack+0x244/0x39d
[  381.255127]  ? dump_stack_print_info.cold.1+0x20/0x20
[  381.261671] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  381.270962]  warn_alloc.cold.116+0xb7/0x1bd
[  381.273530] syz-fuzzer cpuset=/ mems_allowed=0
[  381.275680]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  381.308379]  ? lock_downgrade+0x900/0x900
[  381.312544]  ? trace_hardirqs_off+0xb8/0x310
[  381.316961]  ? trace_hardirqs_off+0xb8/0x310
[  381.321394]  __alloc_pages_slowpath+0x26e8/0x2e10
[  381.326268]  ? warn_alloc+0x120/0x120
[  381.330071]  ? print_usage_bug+0xc0/0xc0
[  381.334135]  ? warn_alloc+0x120/0x120
[  381.337952]  ? warn_alloc+0x120/0x120
[  381.341757]  ? print_usage_bug+0xc0/0xc0
[  381.345824]  ? print_usage_bug+0xc0/0xc0
[  381.349887]  ? __lock_acquire+0x62f/0x4c20
[  381.354131]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.359666]  ? should_fail+0x22d/0xd01
[  381.363562]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.368666]  ? __lock_acquire+0x62f/0x4c20
[  381.372910]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.378050]  ? __lock_acquire+0x62f/0x4c20
[  381.382317]  ? should_fail+0x22d/0xd01
[  381.386203]  ? find_held_lock+0x36/0x1c0
[  381.390280]  ? mark_held_locks+0x130/0x130
[  381.394525]  ? mark_held_locks+0x130/0x130
[  381.398763]  ? zap_class+0x640/0x640
[  381.402492]  ? zap_class+0x640/0x640
[  381.406209]  ? print_usage_bug+0xc0/0xc0
[  381.410270]  ? do_raw_spin_unlock+0xa7/0x330
[  381.414702]  ? zap_class+0x640/0x640
[  381.418417]  ? print_usage_bug+0xc0/0xc0
[  381.422485]  ? wq_watchdog_touch+0x9c/0xfe
[  381.426724]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.432265]  ? check_preemption_disabled+0x48/0x280
[  381.437293]  ? __lock_is_held+0xb5/0x140
[  381.441374]  __alloc_pages_nodemask+0xa80/0xde0
[  381.446046]  ? zap_class+0x640/0x640
[  381.449765]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  381.454789]  ? find_held_lock+0x36/0x1c0
[  381.458860]  ? ____cache_alloc_node+0x1c7/0x1e0
[  381.463531]  ? lock_downgrade+0x900/0x900
[  381.467693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.473236]  cache_grow_begin+0xa5/0x8c0
[  381.477301]  ? do_raw_spin_unlock+0xa7/0x330
[  381.481744]  fallback_alloc+0x204/0x2e0
[  381.485729]  ____cache_alloc_node+0x1c7/0x1e0
[  381.490231]  kmem_cache_alloc_node+0xe3/0x730
[  381.494732]  ? ipv6_get_ifaddr+0x42e/0x620
[  381.498983]  __alloc_skb+0x119/0x770
[  381.502702]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.507984]  ? netdev_alloc_frag+0x1f0/0x1f0
[  381.512400]  ? lock_downgrade+0x900/0x900
[  381.516563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.522114]  ? refcount_sub_and_test_checked+0x203/0x310
[  381.527583]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  381.533057]  ? addrconf_rs_timer+0x690/0x690
[  381.537479]  ndisc_alloc_skb+0x144/0x340
[  381.541555]  ndisc_send_rs+0x331/0x6e0
[  381.545489]  addrconf_rs_timer+0x314/0x690
[  381.549749]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.553998]  call_timer_fn+0x272/0x920
[  381.557899]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.562136]  ? process_timeout+0x40/0x40
[  381.566205]  ? __run_timers+0x7da/0xc70
[  381.570184]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.574678]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.579173]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.583421]  ? lockdep_hardirqs_on+0x296/0x5b0
[  381.588025]  ? trace_hardirqs_on+0xbd/0x310
[  381.592361]  ? kasan_check_read+0x11/0x20
[  381.596556]  ? __run_timers+0x7da/0xc70
[  381.600532]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.605674]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.609910]  __run_timers+0x7e5/0xc70
[  381.613720]  ? timer_fixup_init+0x70/0x70
[  381.617870]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  381.622886]  ? zap_class+0x640/0x640
[  381.626777]  ? enqueue_hrtimer+0x1a5/0x560
[  381.631023]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  381.636221]  ? find_held_lock+0x36/0x1c0
[  381.640290]  ? zap_class+0x640/0x640
[  381.644029]  ? pvclock_read_flags+0x160/0x160
[  381.648529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.654080]  ? check_preemption_disabled+0x48/0x280
[  381.659109]  ? __lock_is_held+0xb5/0x140
[  381.663173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.668715]  ? check_preemption_disabled+0x48/0x280
[  381.673738]  run_timer_softirq+0x52/0xb0
[  381.677801]  ? rcu_read_lock_sched_held+0x14f/0x180
[  381.682819]  __do_softirq+0x308/0xb7e
[  381.686625]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  381.691124]  ? lock_downgrade+0x900/0x900
[  381.695277]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  381.700404]  ? pvclock_read_flags+0x160/0x160
[  381.704908]  ? lapic_next_event+0x5a/0x90
[  381.709059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.714604]  ? kvm_clock_read+0x18/0x30
[  381.718576]  ? kvm_sched_clock_read+0x9/0x20
[  381.722989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.728531]  ? check_preemption_disabled+0x48/0x280
[  381.733592]  irq_exit+0x17f/0x1c0
[  381.737056]  smp_apic_timer_interrupt+0x1cb/0x760
[  381.741898]  ? smp_reschedule_interrupt+0x109/0x650
[  381.746968]  ? smp_call_function_single_interrupt+0x650/0x650
[  381.752867]  ? interrupt_entry+0xb5/0xc0
[  381.756942]  ? trace_hardirqs_off_caller+0xbb/0x310
[  381.761958]  ? trace_hardirqs_off_caller+0xbb/0x310
[  381.766978]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.771822]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.776837]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.781863]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.786715]  apic_timer_interrupt+0xf/0x20
[  381.790946]  </IRQ>
[  381.793187] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  381.798116] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  381.817023] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  381.824731] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  381.832002] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  381.839277] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  381.846549] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  381.853815] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  381.861150]  skb_clone+0x1bb/0x500
[  381.864696]  ? finish_task_switch+0x2f4/0x910
[  381.869194]  ? skb_split+0x11e0/0x11e0
[  381.873090]  ? preempt_notifier_register+0x200/0x200
[  381.878191]  ? __switch_to_asm+0x34/0x70
[  381.882254]  ? __switch_to_asm+0x34/0x70
[  381.886316]  ? __switch_to_asm+0x40/0x70
[  381.890399]  ? __switch_to_asm+0x34/0x70
[  381.894456]  ? __switch_to_asm+0x40/0x70
[  381.898516]  ? __switch_to_asm+0x34/0x70
[  381.902587]  ? __switch_to_asm+0x40/0x70
[  381.906648]  ? __switch_to_asm+0x34/0x70
[  381.910723]  ? __switch_to_asm+0x34/0x70
[  381.914781]  ? __switch_to_asm+0x40/0x70
[  381.918842]  ? __switch_to_asm+0x34/0x70
[  381.922912]  bpf_clone_redirect+0xb9/0x490
[  381.927149]  ? __schedule+0x8d7/0x21d0
[  381.931049]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  381.936067]  ? __sched_text_start+0x8/0x8
[  381.940223]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  381.944803]  ? retint_kernel+0x2d/0x2d
[  381.948690]  ? trace_hardirqs_on_caller+0xc0/0x310
[  381.953626]  ? find_held_lock+0x36/0x1c0
[  381.957698]  ? lock_acquire+0x1ed/0x520
[  381.961675]  ? bpf_test_run+0x3cb/0x780
[  381.965650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.971189]  ? check_preemption_disabled+0x48/0x280
[  381.976209]  ? kasan_check_read+0x11/0x20
[  381.980370]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.985645]  ? rcu_softirq_qs+0x20/0x20
[  381.989625]  ? preempt_schedule+0x4d/0x60
[  381.993771]  ? ___preempt_schedule+0x16/0x18
[  381.998186]  ? bpf_test_run+0x25d/0x780
[  382.002176]  ? netlink_diag_dump+0x2a0/0x2a0
[  382.006588]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.012124]  ? bpf_test_init.isra.10+0x70/0x100
[  382.016800]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  382.021572]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  382.026414]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  382.031968]  ? fput+0x130/0x1a0
[  382.035253]  ? __bpf_prog_get+0x9b/0x290
[  382.039333]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  382.044173]  ? bpf_prog_test_run+0x130/0x1a0
[  382.048600]  ? __x64_sys_bpf+0x3d8/0x520
[  382.052686]  ? bpf_prog_get+0x20/0x20
[  382.056535]  ? do_syscall_64+0x1b9/0x820
[  382.060636]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  382.066037]  ? syscall_return_slowpath+0x5e0/0x5e0
[  382.070969]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.075817]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.080838]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  382.085873]  ? prepare_exit_to_usermode+0x291/0x3b0
[  382.090894]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.095747]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  382.101131] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  382.101137] warn_alloc_show_mem: 1 callbacks suppressed
[  382.101144] Mem-Info:
[  382.108158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  382.113527] active_anon:51179 inactive_anon:236 isolated_anon:0
[  382.113527]  active_file:17 inactive_file:9 isolated_file:0
[  382.113527]  unevictable:0 dirty:0 writeback:0 unstable:0
[  382.113527]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  382.113527]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  382.113527]  free:13694 free_pcp:258 free_cma:0
[  382.115928] Call Trace:
[  382.125321] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  382.158079]  <IRQ>
[  382.160647] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  382.188141]  dump_stack+0x244/0x39d
[  382.190264] lowmem_reserve[]: 0 2818 6321 6321
[  382.216412]  ? dump_stack_print_info.cold.1+0x20/0x20
[  382.220010] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  382.224605]  warn_alloc.cold.116+0xb7/0x1bd
[  382.229765] lowmem_reserve[]: 0 0 3503 3503
[  382.256910]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  382.261213] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  382.265535]  ? lock_downgrade+0x900/0x900
[  382.270359] lowmem_reserve[]: 0 0 0 0
[  382.299346]  ? trace_hardirqs_off+0xb8/0x310
[  382.303470] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  382.307268]  ? trace_hardirqs_off+0xb8/0x310
[  382.311651] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  382.325173]  __alloc_pages_slowpath+0x26e8/0x2e10
[  382.329554] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  382.344739]  ? warn_alloc+0x120/0x120
[  382.349547] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  382.363750]  ? print_usage_bug+0xc0/0xc0
[  382.367531] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  382.376351]  ? warn_alloc+0x120/0x120
[  382.380406] 309 total pagecache pages
[  382.388972]  ? warn_alloc+0x120/0x120
[  382.392753] 0 pages in swap cache
[  382.396544]  ? print_usage_bug+0xc0/0xc0
[  382.400331] Swap cache stats: add 0, delete 0, find 0/0
[  382.403789]  ? print_usage_bug+0xc0/0xc0
[  382.407826] Free swap  = 0kB
[  382.413185]  ? __lock_acquire+0x62f/0x4c20
[  382.417222] Total swap = 0kB
[  382.420239]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.424446] 1965979 pages RAM
[  382.427458]  ? should_fail+0x22d/0xd01
[  382.432969] 0 pages HighMem/MovableOnly
[  382.436072]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.439937] 342853 pages reserved
[  382.443904]  ? __lock_acquire+0x62f/0x4c20
[  382.448979] 0 pages cma reserved
[  382.452422]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.456708] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  382.459982]  ? __lock_acquire+0x62f/0x4c20
[  382.459998]  ? should_fail+0x22d/0xd01
[  382.465183] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  382.471578]  ? mark_held_locks+0x130/0x130
[  382.475786] syz-executor2 cpuset=syz2 mems_allowed=0
[  382.479682]  ? mark_held_locks+0x130/0x130
[  382.503661]  ? zap_class+0x640/0x640
[  382.507386]  ? zap_class+0x640/0x640
[  382.511116]  ? print_usage_bug+0xc0/0xc0
[  382.515182]  ? wq_watchdog_touch+0x9c/0xfe
[  382.519420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.524989]  ? check_preemption_disabled+0x48/0x280
[  382.530024]  ? __lock_is_held+0xb5/0x140
[  382.534097]  __alloc_pages_nodemask+0xa80/0xde0
[  382.538785]  ? zap_class+0x640/0x640
[  382.542505]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  382.547532]  ? find_held_lock+0x36/0x1c0
[  382.551603]  ? ____cache_alloc_node+0x1c7/0x1e0
[  382.556274]  ? lock_downgrade+0x900/0x900
[  382.560445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.566003]  cache_grow_begin+0xa5/0x8c0
[  382.570074]  ? do_raw_spin_unlock+0xa7/0x330
[  382.574494]  fallback_alloc+0x204/0x2e0
[  382.578481]  ____cache_alloc_node+0x1c7/0x1e0
[  382.582981]  kmem_cache_alloc_node+0xe3/0x730
[  382.587475]  ? ipv6_get_ifaddr+0x42e/0x620
[  382.591724]  __alloc_skb+0x119/0x770
[  382.595438]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.600722]  ? netdev_alloc_frag+0x1f0/0x1f0
[  382.605133]  ? lock_downgrade+0x900/0x900
[  382.609291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.615324]  ? refcount_sub_and_test_checked+0x203/0x310
[  382.620798]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  382.626246]  ? addrconf_rs_timer+0x690/0x690
[  382.630668]  ndisc_alloc_skb+0x144/0x340
[  382.634754]  ndisc_send_rs+0x331/0x6e0
[  382.638665]  addrconf_rs_timer+0x314/0x690
[  382.642903]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.647168]  call_timer_fn+0x272/0x920
[  382.651062]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.655301]  ? process_timeout+0x40/0x40
[  382.659376]  ? mark_held_locks+0xc7/0x130
[  382.663525]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.668031]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.672547]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.676783]  ? lockdep_hardirqs_on+0x296/0x5b0
[  382.681371]  ? trace_hardirqs_on+0xbd/0x310
[  382.685694]  ? kasan_check_read+0x11/0x20
[  382.689852]  ? __run_timers+0x7da/0xc70
[  382.693826]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.698940]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.703173]  __run_timers+0x7e5/0xc70
[  382.706997]  ? timer_fixup_init+0x70/0x70
[  382.711163]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  382.716181]  ? zap_class+0x640/0x640
[  382.719901]  ? print_usage_bug+0xc0/0xc0
[  382.723963]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  382.729177]  ? find_held_lock+0x36/0x1c0
[  382.733247]  ? zap_class+0x640/0x640
[  382.736971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.742694]  ? check_preemption_disabled+0x48/0x280
[  382.747723]  ? __lock_is_held+0xb5/0x140
[  382.751801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.757343]  ? check_preemption_disabled+0x48/0x280
[  382.762367]  run_timer_softirq+0x52/0xb0
[  382.766431]  ? rcu_read_lock_sched_held+0x14f/0x180
[  382.771445]  __do_softirq+0x308/0xb7e
[  382.775248]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  382.779741]  ? lock_downgrade+0x900/0x900
[  382.783888]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  382.789001]  ? pvclock_read_flags+0x160/0x160
[  382.793527]  ? lapic_next_event+0x5a/0x90
[  382.797700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.803242]  ? kvm_clock_read+0x18/0x30
[  382.807231]  ? kvm_sched_clock_read+0x9/0x20
[  382.811654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.817216]  ? check_preemption_disabled+0x48/0x280
[  382.822255]  irq_exit+0x17f/0x1c0
[  382.825722]  smp_apic_timer_interrupt+0x1cb/0x760
[  382.830564]  ? smp_reschedule_interrupt+0x109/0x650
[  382.835582]  ? smp_call_function_single_interrupt+0x650/0x650
[  382.841466]  ? interrupt_entry+0xb5/0xc0
[  382.845528]  ? trace_hardirqs_off_caller+0xbb/0x310
[  382.850543]  ? trace_hardirqs_off_caller+0xbb/0x310
[  382.855564]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.860411]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.865430]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.870466]  ? task_prio+0x50/0x50
[  382.874010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.879579]  ? check_preemption_disabled+0x48/0x280
[  382.884603]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.889457]  apic_timer_interrupt+0xf/0x20
[  382.893689]  </IRQ>
[  382.895934] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  382.901135] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  382.920057] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  382.927813] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  382.935080] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  382.942362] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  382.949633] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  382.956900] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  382.964197]  retint_kernel+0x1b/0x2d
[  382.967917] RIP: 0010:dump_stack+0x358/0x39d
[  382.972339] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  382.991236] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  382.998943] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  383.006210] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  383.013474] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  383.020737] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  383.027999] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  383.035307]  ? dump_stack+0x34f/0x39d
[  383.039121]  ? dump_stack_print_info.cold.1+0x20/0x20
[  383.044348]  ? mark_held_locks+0x130/0x130
[  383.048586]  ? mark_held_locks+0x130/0x130
[  383.052826]  dump_header+0x27b/0xf72
[  383.056554]  ? pagefault_out_of_memory+0x197/0x197
[  383.061494]  ? __lock_acquire+0x62f/0x4c20
[  383.065729]  ? percpu_ref_get_many+0x240/0x240
[  383.070314]  ? print_usage_bug+0xc0/0xc0
[  383.074385]  ? zap_class+0x640/0x640
[  383.078144]  ? print_usage_bug+0xc0/0xc0
[  383.082205]  ? print_usage_bug+0xc0/0xc0
[  383.086270]  ? zap_class+0x640/0x640
[  383.089989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.095539]  ? find_held_lock+0x36/0x1c0
[  383.099614]  ? mark_held_locks+0xc7/0x130
[  383.103767]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  383.108868]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  383.113988]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  383.118580]  ? trace_hardirqs_on+0xbd/0x310
[  383.122904]  ? kasan_check_read+0x11/0x20
[  383.127071]  ? ___ratelimit+0x3b4/0x672
[  383.131052]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.136199]  ? trace_hardirqs_on+0x310/0x310
[  383.140608]  ? lock_downgrade+0x900/0x900
[  383.144763]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  383.149875]  ? ___ratelimit+0x3b9/0x672
[  383.153851]  ? idr_get_free+0xf70/0xf70
[  383.157822]  ? find_held_lock+0x36/0x1c0
[  383.161893]  oom_kill_process.cold.27+0x10/0x903
[  383.166649]  ? zap_class+0x640/0x640
[  383.170373]  ? check_preemption_disabled+0x48/0x280
[  383.175410]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.180369]  ? kasan_check_read+0x11/0x20
[  383.184515]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.189795]  ? oom_evaluate_task+0x540/0x540
[  383.194206]  ? find_held_lock+0x36/0x1c0
[  383.198274]  ? out_of_memory+0x974/0x1430
[  383.202428]  ? lock_downgrade+0x900/0x900
[  383.206583]  ? check_preemption_disabled+0x48/0x280
[  383.211643]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.216571]  ? kasan_check_read+0x11/0x20
[  383.220719]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.225999]  ? rcu_softirq_qs+0x20/0x20
[  383.229994]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.235540]  ? oom_evaluate_task+0x302/0x540
[  383.239955]  out_of_memory+0xa84/0x1430
[  383.243941]  ? oom_killer_disable+0x3a0/0x3a0
[  383.248439]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  383.253374]  ? __ww_mutex_check_waiters+0x160/0x160
[  383.258404]  __alloc_pages_slowpath+0x2354/0x2e10
[  383.263277]  ? warn_alloc+0x120/0x120
[  383.267078]  ? mark_held_locks+0x130/0x130
[  383.271321]  ? find_get_entry+0xaae/0x1120
[  383.275567]  ? filemap_map_pages+0x1a20/0x1a20
[  383.280195]  ? zap_class+0x640/0x640
[  383.283933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.289473]  ? check_preemption_disabled+0x48/0x280
[  383.294490]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.300036]  ? should_fail+0x22d/0xd01
[  383.303935]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.309056]  ? zap_class+0x640/0x640
[  383.312786]  ? __lock_is_held+0xb5/0x140
[  383.316849]  ? mark_held_locks+0x130/0x130
[  383.321149]  ? lock_release+0xa00/0xa00
[  383.325130]  ? perf_trace_sched_process_exec+0x860/0x860
[  383.330582]  ? xa_load+0x2ba/0x460
[  383.334122]  ? lock_downgrade+0x900/0x900
[  383.338280]  ? __might_sleep+0x95/0x190
[  383.342278]  __alloc_pages_nodemask+0xa80/0xde0
[  383.346959]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  383.351976]  ? __page_cache_alloc+0x191/0x5c0
[  383.356470]  ? xa_load+0x2e1/0x460
[  383.360013]  ? xa_clear_mark+0x40/0x40
[  383.363916]  ? zap_class+0x640/0x640
[  383.367642]  ? zap_class+0x640/0x640
[  383.371355]  ? zap_class+0x640/0x640
[  383.375091]  ? __do_page_cache_readahead+0x663/0x810
[  383.380213]  ? find_held_lock+0x36/0x1c0
[  383.384293]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  383.389834]  alloc_pages_current+0x173/0x350
[  383.394250]  __page_cache_alloc+0x38c/0x5c0
[  383.398575]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.403505]  ? kasan_check_read+0x11/0x20
[  383.407658]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.412942]  ? generic_perform_write+0x6a0/0x6a0
[  383.417703]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.423245]  ? check_preemption_disabled+0x48/0x280
[  383.428269]  filemap_fault+0x1595/0x25f0
[  383.432358]  ? __lock_page_or_retry+0xa00/0xa00
[  383.437045]  ? mark_held_locks+0x130/0x130
[  383.441295]  ? filemap_map_pages+0xd6b/0x1a20
[  383.445794]  ? lock_downgrade+0x900/0x900
[  383.449957]  ? check_preemption_disabled+0x48/0x280
[  383.454995]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.459933]  ? kasan_check_read+0x11/0x20
[  383.464084]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.469359]  ? rcu_softirq_qs+0x20/0x20
[  383.473345]  ? filemap_map_pages+0xd92/0x1a20
[  383.477868]  ? find_get_entries_tag+0x1400/0x1400
[  383.482714]  ? ep_scan_ready_list+0xbc7/0x1050
[  383.487314]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.492432]  ? lock_acquire+0x1ed/0x520
[  383.496406]  ? ext4_filemap_fault+0x7a/0xad
[  383.500736]  ? lock_release+0xa00/0xa00
[  383.504724]  ? perf_trace_sched_process_exec+0x860/0x860
[  383.510181]  ? print_usage_bug+0xc0/0xc0
[  383.514244]  ? print_usage_bug+0xc0/0xc0
[  383.518320]  ? down_read+0x8d/0x120
[  383.521945]  ? ext4_filemap_fault+0x7a/0xad
[  383.526268]  ? __down_interruptible+0x700/0x700
[  383.530956]  ext4_filemap_fault+0x82/0xad
[  383.535138]  __do_fault+0x100/0x6b0
[  383.538770]  ? pmd_devmap_trans_unstable+0x220/0x220
[  383.543903]  ? mark_held_locks+0x130/0x130
[  383.548168]  ? mark_held_locks+0x130/0x130
[  383.552402]  ? kasan_check_read+0x11/0x20
[  383.556597]  ? ep_poll+0xffa/0x13d0
[  383.560226]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.565338]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.570880]  __handle_mm_fault+0x3ea0/0x5be0
[  383.575301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.580865]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  383.585732]  ? do_epoll_create+0x590/0x590
[  383.589966]  ? kasan_check_read+0x11/0x20
[  383.594114]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.599407]  ? rcu_softirq_qs+0x20/0x20
[  383.603606]  ? zap_class+0x640/0x640
[  383.607319]  ? zap_class+0x640/0x640
[  383.611051]  ? find_held_lock+0x36/0x1c0
[  383.615128]  ? handle_mm_fault+0x42a/0xc70
[  383.619367]  ? lock_downgrade+0x900/0x900
[  383.623532]  ? check_preemption_disabled+0x48/0x280
[  383.628579]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.633505]  ? kasan_check_read+0x11/0x20
[  383.637653]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.642930]  ? rcu_softirq_qs+0x20/0x20
[  383.646905]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.652031]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.657578]  ? check_preemption_disabled+0x48/0x280
[  383.662618]  handle_mm_fault+0x54f/0xc70
[  383.666684]  ? __handle_mm_fault+0x5be0/0x5be0
[  383.671290]  ? find_vma+0x34/0x190
[  383.674836]  __do_page_fault+0x5e8/0xe60
[  383.678893]  ? trace_hardirqs_off+0xb8/0x310
[  383.683312]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  383.688862]  do_page_fault+0xf2/0x7e0
[  383.692663]  ? vmalloc_sync_all+0x30/0x30
[  383.696808]  ? error_entry+0x70/0xd0
[  383.700519]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.705564]  ? trace_hardirqs_on_caller+0xc0/0x310
[  383.710510]  ? syscall_return_slowpath+0x5e0/0x5e0
[  383.715468]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.720327]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.725342]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  383.730796]  ? prepare_exit_to_usermode+0x291/0x3b0
[  383.735813]  ? page_fault+0x8/0x30
[  383.739355]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.744215]  ? page_fault+0x8/0x30
[  383.747771]  page_fault+0x1e/0x30
[  383.751222] RIP: 0033:0x45df89
[  383.754425] Code: Bad RIP value.
[  383.757787] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  383.763150] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  383.770420] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  383.777688] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  383.784954] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  383.792220] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  383.799514] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  383.799579] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  383.806880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  383.806885] Call Trace:
[  383.806892]  <IRQ>
[  383.806911]  dump_stack+0x244/0x39d
[  383.806930]  ? dump_stack_print_info.cold.1+0x20/0x20
[  383.813515] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  383.822783]  warn_alloc.cold.116+0xb7/0x1bd
[  383.825337] syz-fuzzer cpuset=/ mems_allowed=0
[  383.827480]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  383.860174]  ? lock_downgrade+0x900/0x900
[  383.864330]  ? trace_hardirqs_off+0xb8/0x310
[  383.868763]  ? trace_hardirqs_off+0xb8/0x310
[  383.873182]  __alloc_pages_slowpath+0x26e8/0x2e10
[  383.878066]  ? warn_alloc+0x120/0x120
[  383.881878]  ? print_usage_bug+0xc0/0xc0
[  383.885941]  ? warn_alloc+0x120/0x120
[  383.889778]  ? warn_alloc+0x120/0x120
[  383.893594]  ? print_usage_bug+0xc0/0xc0
[  383.897655]  ? kvm_clock_read+0x18/0x30
[  383.901631]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  383.906648]  ? print_usage_bug+0xc0/0xc0
[  383.910732]  ? __lock_acquire+0x62f/0x4c20
[  383.914973]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.920515]  ? should_fail+0x22d/0xd01
[  383.924422]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.929720]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.934822]  ? __lock_acquire+0x62f/0x4c20
[  383.939062]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.944220]  ? __lock_acquire+0x62f/0x4c20
[  383.948457]  ? should_fail+0x22d/0xd01
[  383.952339]  ? rcu_irq_exit+0x1a2/0x390
[  383.956325]  ? mark_held_locks+0x130/0x130
[  383.960570]  ? mark_held_locks+0x130/0x130
[  383.964812]  ? mark_held_locks+0xc7/0x130
[  383.968960]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  383.973976]  ? zap_class+0x640/0x640
[  383.977693]  ? print_usage_bug+0xc0/0xc0
[  383.981760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.987316]  ? check_preemption_disabled+0x48/0x280
[  383.992347]  ? __lock_is_held+0xb5/0x140
[  383.996415]  __alloc_pages_nodemask+0xa80/0xde0
[  384.001095]  ? zap_class+0x640/0x640
[  384.004814]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  384.009861]  ? find_held_lock+0x36/0x1c0
[  384.013955]  ? ____cache_alloc_node+0x1c7/0x1e0
[  384.018630]  ? lock_downgrade+0x900/0x900
[  384.022789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.028335]  cache_grow_begin+0xa5/0x8c0
[  384.032396]  ? do_raw_spin_unlock+0xa7/0x330
[  384.036816]  fallback_alloc+0x204/0x2e0
[  384.040798]  ____cache_alloc_node+0x1c7/0x1e0
[  384.045304]  kmem_cache_alloc_node+0xe3/0x730
[  384.049802]  ? ipv6_get_ifaddr+0x42e/0x620
[  384.054057]  __alloc_skb+0x119/0x770
[  384.057772]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.063082]  ? netdev_alloc_frag+0x1f0/0x1f0
[  384.067508]  ? lock_downgrade+0x900/0x900
[  384.071684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.077224]  ? refcount_sub_and_test_checked+0x203/0x310
[  384.082678]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  384.088130]  ? addrconf_rs_timer+0x690/0x690
[  384.092583]  ndisc_alloc_skb+0x144/0x340
[  384.096654]  ndisc_send_rs+0x331/0x6e0
[  384.100550]  addrconf_rs_timer+0x314/0x690
[  384.104813]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.109108]  call_timer_fn+0x272/0x920
[  384.112997]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.117239]  ? process_timeout+0x40/0x40
[  384.121314]  ? __run_timers+0x7da/0xc70
[  384.125291]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.129799]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.134292]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.138549]  ? lockdep_hardirqs_on+0x296/0x5b0
[  384.143139]  ? trace_hardirqs_on+0xbd/0x310
[  384.147462]  ? kasan_check_read+0x11/0x20
[  384.151613]  ? __run_timers+0x7da/0xc70
[  384.155590]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.160700]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.164938]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.169183]  __run_timers+0x7e5/0xc70
[  384.172993]  ? timer_fixup_init+0x70/0x70
[  384.177149]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  384.182180]  ? zap_class+0x640/0x640
[  384.185896]  ? enqueue_hrtimer+0x1a5/0x560
[  384.190135]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  384.195332]  ? find_held_lock+0x36/0x1c0
[  384.199398]  ? zap_class+0x640/0x640
[  384.203121]  ? pvclock_read_flags+0x160/0x160
[  384.207619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.213159]  ? check_preemption_disabled+0x48/0x280
[  384.218198]  ? __lock_is_held+0xb5/0x140
[  384.222260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.227812]  ? check_preemption_disabled+0x48/0x280
[  384.232831]  run_timer_softirq+0x52/0xb0
[  384.236895]  ? rcu_read_lock_sched_held+0x14f/0x180
[  384.241912]  __do_softirq+0x308/0xb7e
[  384.245718]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  384.250213]  ? lock_downgrade+0x900/0x900
[  384.254369]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  384.259480]  ? pvclock_read_flags+0x160/0x160
[  384.263977]  ? lapic_next_event+0x5a/0x90
[  384.268144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.273701]  ? kvm_clock_read+0x18/0x30
[  384.277692]  ? kvm_sched_clock_read+0x9/0x20
[  384.282104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.287642]  ? check_preemption_disabled+0x48/0x280
[  384.292674]  irq_exit+0x17f/0x1c0
[  384.296133]  smp_apic_timer_interrupt+0x1cb/0x760
[  384.300975]  ? smp_reschedule_interrupt+0x109/0x650
[  384.305995]  ? smp_call_function_single_interrupt+0x650/0x650
[  384.311900]  ? interrupt_entry+0xb5/0xc0
[  384.315963]  ? trace_hardirqs_off_caller+0xbb/0x310
[  384.320984]  ? trace_hardirqs_off_caller+0xbb/0x310
[  384.326028]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.330869]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.335882]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.340908]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.345756]  apic_timer_interrupt+0xf/0x20
[  384.349982]  </IRQ>
[  384.352255] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  384.357185] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  384.376085] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  384.383791] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  384.391060] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  384.398327] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  384.405612] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  384.412877] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  384.420185]  skb_clone+0x1bb/0x500
[  384.423725]  ? finish_task_switch+0x2f4/0x910
[  384.428226]  ? skb_split+0x11e0/0x11e0
[  384.432132]  ? preempt_notifier_register+0x200/0x200
[  384.437236]  ? __switch_to_asm+0x34/0x70
[  384.441297]  ? __switch_to_asm+0x34/0x70
[  384.445357]  ? __switch_to_asm+0x40/0x70
[  384.449415]  ? __switch_to_asm+0x34/0x70
[  384.453476]  ? __switch_to_asm+0x40/0x70
[  384.457533]  ? __switch_to_asm+0x34/0x70
[  384.461597]  ? __switch_to_asm+0x40/0x70
[  384.465667]  ? __switch_to_asm+0x34/0x70
[  384.469726]  ? __switch_to_asm+0x34/0x70
[  384.473800]  ? __switch_to_asm+0x40/0x70
[  384.477858]  ? __switch_to_asm+0x34/0x70
[  384.481923]  bpf_clone_redirect+0xb9/0x490
[  384.486158]  ? __schedule+0x8d7/0x21d0
[  384.490059]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  384.495079]  ? __sched_text_start+0x8/0x8
[  384.499230]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  384.503813]  ? retint_kernel+0x2d/0x2d
[  384.507705]  ? trace_hardirqs_on_caller+0xc0/0x310
[  384.512656]  ? find_held_lock+0x36/0x1c0
[  384.516731]  ? lock_acquire+0x1ed/0x520
[  384.520707]  ? bpf_test_run+0x3cb/0x780
[  384.524683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.530220]  ? check_preemption_disabled+0x48/0x280
[  384.535240]  ? kasan_check_read+0x11/0x20
[  384.539390]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.544669]  ? rcu_softirq_qs+0x20/0x20
[  384.548646]  ? preempt_schedule+0x4d/0x60
[  384.552797]  ? ___preempt_schedule+0x16/0x18
[  384.557216]  ? bpf_test_run+0x25d/0x780
[  384.561204]  ? netlink_diag_dump+0x2a0/0x2a0
[  384.565619]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.571155]  ? bpf_test_init.isra.10+0x70/0x100
[  384.575831]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  384.580601]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  384.585448]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  384.590987]  ? fput+0x130/0x1a0
[  384.594279]  ? __bpf_prog_get+0x9b/0x290
[  384.598345]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  384.603361]  ? bpf_prog_test_run+0x130/0x1a0
[  384.607790]  ? __x64_sys_bpf+0x3d8/0x520
[  384.612105]  ? bpf_prog_get+0x20/0x20
[  384.615939]  ? do_syscall_64+0x1b9/0x820
[  384.620000]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  384.625373]  ? syscall_return_slowpath+0x5e0/0x5e0
[  384.630306]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.635155]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.640175]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  384.645197]  ? prepare_exit_to_usermode+0x291/0x3b0
[  384.650222]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.655088]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  384.660487] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  384.660492] warn_alloc_show_mem: 1 callbacks suppressed
[  384.660499] Mem-Info:
[  384.667508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  384.672881] active_anon:51179 inactive_anon:236 isolated_anon:0
[  384.672881]  active_file:17 inactive_file:9 isolated_file:0
[  384.672881]  unevictable:0 dirty:0 writeback:0 unstable:0
[  384.672881]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  384.672881]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  384.672881]  free:13694 free_pcp:258 free_cma:0
[  384.675269] Call Trace:
[  384.684659] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  384.717949]  <IRQ>
[  384.720517] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  384.748176]  dump_stack+0x244/0x39d
[  384.750306] lowmem_reserve[]: 0 2818 6321 6321
[  384.776411]  ? dump_stack_print_info.cold.1+0x20/0x20
[  384.780012] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  384.784607]  warn_alloc.cold.116+0xb7/0x1bd
[  384.789765] lowmem_reserve[]: 0 0 3503 3503
[  384.816929]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  384.821223] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  384.825538]  ? lock_downgrade+0x900/0x900
[  384.830360] lowmem_reserve[]: 0 0 0 0
[  384.859342]  ? trace_hardirqs_off+0xb8/0x310
[  384.863461] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  384.867261]  ? trace_hardirqs_off+0xb8/0x310
[  384.871646] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  384.885170]  __alloc_pages_slowpath+0x26e8/0x2e10
[  384.889554] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  384.904758]  ? warn_alloc+0x120/0x120
[  384.909579] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  384.923814]  ? print_usage_bug+0xc0/0xc0
[  384.927594] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  384.936419]  ? warn_alloc+0x120/0x120
[  384.940456] 309 total pagecache pages
[  384.949032]  ? warn_alloc+0x120/0x120
[  384.952816] 0 pages in swap cache
[  384.956604]  ? print_usage_bug+0xc0/0xc0
[  384.960386] Swap cache stats: add 0, delete 0, find 0/0
[  384.963829]  ? kvm_clock_read+0x18/0x30
[  384.967862] Free swap  = 0kB
[  384.973234]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  384.977182] Total swap = 0kB
[  384.980211]  ? print_usage_bug+0xc0/0xc0
[  384.985203] 1965979 pages RAM
[  384.988212]  ? __lock_acquire+0x62f/0x4c20
[  384.992248] 0 pages HighMem/MovableOnly
[  384.995352]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.999570] 342853 pages reserved
[  385.003537]  ? should_fail+0x22d/0xd01
[  385.009055] 0 pages cma reserved
[  385.012500]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.016426] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  385.019725]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.025077] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  385.031463]  ? __lock_acquire+0x62f/0x4c20
[  385.036544] syz-executor2 cpuset=syz2 mems_allowed=0
[  385.047033]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.061421]  ? __lock_acquire+0x62f/0x4c20
[  385.065653]  ? should_fail+0x22d/0xd01
[  385.069551]  ? rcu_irq_exit+0x1a2/0x390
[  385.073539]  ? mark_held_locks+0x130/0x130
[  385.077792]  ? mark_held_locks+0x130/0x130
[  385.082047]  ? mark_held_locks+0xc7/0x130
[  385.086196]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  385.091215]  ? zap_class+0x640/0x640
[  385.094943]  ? print_usage_bug+0xc0/0xc0
[  385.099048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.104609]  ? check_preemption_disabled+0x48/0x280
[  385.109667]  ? __lock_is_held+0xb5/0x140
[  385.113753]  __alloc_pages_nodemask+0xa80/0xde0
[  385.118424]  ? zap_class+0x640/0x640
[  385.122145]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  385.127174]  ? find_held_lock+0x36/0x1c0
[  385.131249]  ? ____cache_alloc_node+0x1c7/0x1e0
[  385.135923]  ? lock_downgrade+0x900/0x900
[  385.140080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.145638]  cache_grow_begin+0xa5/0x8c0
[  385.149698]  ? do_raw_spin_unlock+0xa7/0x330
[  385.154117]  fallback_alloc+0x204/0x2e0
[  385.158103]  ____cache_alloc_node+0x1c7/0x1e0
[  385.162622]  kmem_cache_alloc_node+0xe3/0x730
[  385.167137]  ? ipv6_get_ifaddr+0x42e/0x620
[  385.171383]  __alloc_skb+0x119/0x770
[  385.175097]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.180383]  ? netdev_alloc_frag+0x1f0/0x1f0
[  385.184792]  ? lock_downgrade+0x900/0x900
[  385.188948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.194485]  ? refcount_sub_and_test_checked+0x203/0x310
[  385.199944]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  385.205396]  ? addrconf_rs_timer+0x690/0x690
[  385.209821]  ndisc_alloc_skb+0x144/0x340
[  385.213887]  ndisc_send_rs+0x331/0x6e0
[  385.217780]  addrconf_rs_timer+0x314/0x690
[  385.222029]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.226282]  call_timer_fn+0x272/0x920
[  385.230170]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.234409]  ? process_timeout+0x40/0x40
[  385.238481]  ? mark_held_locks+0xc7/0x130
[  385.242633]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.247150]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.251646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.255881]  ? lockdep_hardirqs_on+0x296/0x5b0
[  385.260478]  ? trace_hardirqs_on+0xbd/0x310
[  385.264800]  ? kasan_check_read+0x11/0x20
[  385.268942]  ? __run_timers+0x7da/0xc70
[  385.272919]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.278036]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.282283]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.286515]  __run_timers+0x7e5/0xc70
[  385.290327]  ? timer_fixup_init+0x70/0x70
[  385.294477]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  385.299511]  ? zap_class+0x640/0x640
[  385.303236]  ? print_usage_bug+0xc0/0xc0
[  385.307303]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  385.312498]  ? find_held_lock+0x36/0x1c0
[  385.316562]  ? zap_class+0x640/0x640
[  385.320284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.325854]  ? check_preemption_disabled+0x48/0x280
[  385.330880]  ? __lock_is_held+0xb5/0x140
[  385.334943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.340479]  ? check_preemption_disabled+0x48/0x280
[  385.345502]  run_timer_softirq+0x52/0xb0
[  385.349567]  ? rcu_read_lock_sched_held+0x14f/0x180
[  385.354581]  __do_softirq+0x308/0xb7e
[  385.358382]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  385.362877]  ? lock_downgrade+0x900/0x900
[  385.367045]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  385.372160]  ? pvclock_read_flags+0x160/0x160
[  385.376661]  ? lapic_next_event+0x5a/0x90
[  385.380809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.386353]  ? kvm_clock_read+0x18/0x30
[  385.390327]  ? kvm_sched_clock_read+0x9/0x20
[  385.394739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.400276]  ? check_preemption_disabled+0x48/0x280
[  385.405303]  irq_exit+0x17f/0x1c0
[  385.408786]  smp_apic_timer_interrupt+0x1cb/0x760
[  385.413630]  ? smp_reschedule_interrupt+0x109/0x650
[  385.418652]  ? smp_call_function_single_interrupt+0x650/0x650
[  385.424563]  ? interrupt_entry+0xb5/0xc0
[  385.428638]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.433672]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.438690]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.443538]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.448555]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.453571]  ? task_prio+0x50/0x50
[  385.457112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.462653]  ? check_preemption_disabled+0x48/0x280
[  385.467677]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.472530]  apic_timer_interrupt+0xf/0x20
[  385.476771]  </IRQ>
[  385.479013] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  385.484221] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  385.503132] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  385.510872] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  385.518139] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  385.525430] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  385.532714] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  385.539992] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  385.547299]  retint_kernel+0x1b/0x2d
[  385.551022] RIP: 0010:dump_stack+0x358/0x39d
[  385.555441] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  385.574356] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  385.582077] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  385.589344] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  385.596628] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  385.603897] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  385.611194] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  385.618478]  ? dump_stack+0x34f/0x39d
[  385.622288]  ? dump_stack_print_info.cold.1+0x20/0x20
[  385.627483]  ? mark_held_locks+0x130/0x130
[  385.631719]  ? mark_held_locks+0x130/0x130
[  385.635959]  dump_header+0x27b/0xf72
[  385.639686]  ? pagefault_out_of_memory+0x197/0x197
[  385.644652]  ? __lock_acquire+0x62f/0x4c20
[  385.648886]  ? percpu_ref_get_many+0x240/0x240
[  385.653474]  ? print_usage_bug+0xc0/0xc0
[  385.657544]  ? zap_class+0x640/0x640
[  385.661264]  ? print_usage_bug+0xc0/0xc0
[  385.665323]  ? print_usage_bug+0xc0/0xc0
[  385.669386]  ? zap_class+0x640/0x640
[  385.673117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.678659]  ? find_held_lock+0x36/0x1c0
[  385.682737]  ? mark_held_locks+0xc7/0x130
[  385.686891]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  385.691992]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  385.697107]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  385.701721]  ? trace_hardirqs_on+0xbd/0x310
[  385.706052]  ? kasan_check_read+0x11/0x20
[  385.710199]  ? ___ratelimit+0x3b4/0x672
[  385.714179]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.719299]  ? trace_hardirqs_on+0x310/0x310
[  385.723711]  ? lock_downgrade+0x900/0x900
[  385.727869]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  385.732970]  ? ___ratelimit+0x3b9/0x672
[  385.736947]  ? idr_get_free+0xf70/0xf70
[  385.740931]  ? find_held_lock+0x36/0x1c0
[  385.745024]  oom_kill_process.cold.27+0x10/0x903
[  385.749787]  ? zap_class+0x640/0x640
[  385.753529]  ? check_preemption_disabled+0x48/0x280
[  385.758594]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  385.763522]  ? kasan_check_read+0x11/0x20
[  385.767670]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.772977]  ? oom_evaluate_task+0x540/0x540
[  385.777390]  ? find_held_lock+0x36/0x1c0
[  385.781504]  ? out_of_memory+0x974/0x1430
[  385.785657]  ? lock_downgrade+0x900/0x900
[  385.789804]  ? check_preemption_disabled+0x48/0x280
[  385.794845]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  385.799773]  ? kasan_check_read+0x11/0x20
[  385.803922]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.809218]  ? rcu_softirq_qs+0x20/0x20
[  385.813198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.818734]  ? oom_evaluate_task+0x302/0x540
[  385.823151]  out_of_memory+0xa84/0x1430
[  385.827137]  ? oom_killer_disable+0x3a0/0x3a0
[  385.831634]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  385.836584]  ? __ww_mutex_check_waiters+0x160/0x160
[  385.841615]  __alloc_pages_slowpath+0x2354/0x2e10
[  385.846502]  ? warn_alloc+0x120/0x120
[  385.850300]  ? mark_held_locks+0x130/0x130
[  385.854545]  ? find_get_entry+0xaae/0x1120
[  385.858792]  ? filemap_map_pages+0x1a20/0x1a20
[  385.863380]  ? zap_class+0x640/0x640
[  385.867106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.872644]  ? check_preemption_disabled+0x48/0x280
[  385.877673]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.883215]  ? should_fail+0x22d/0xd01
[  385.887108]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.892219]  ? zap_class+0x640/0x640
[  385.895961]  ? __lock_is_held+0xb5/0x140
[  385.900048]  ? mark_held_locks+0x130/0x130
[  385.904289]  ? lock_release+0xa00/0xa00
[  385.908267]  ? perf_trace_sched_process_exec+0x860/0x860
[  385.913723]  ? xa_load+0x2ba/0x460
[  385.917299]  ? lock_downgrade+0x900/0x900
[  385.921455]  ? __might_sleep+0x95/0x190
[  385.925436]  __alloc_pages_nodemask+0xa80/0xde0
[  385.930119]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  385.935143]  ? __page_cache_alloc+0x191/0x5c0
[  385.939637]  ? xa_load+0x2e1/0x460
[  385.943183]  ? xa_clear_mark+0x40/0x40
[  385.947106]  ? zap_class+0x640/0x640
[  385.950828]  ? zap_class+0x640/0x640
[  385.954538]  ? zap_class+0x640/0x640
[  385.958276]  ? __do_page_cache_readahead+0x663/0x810
[  385.963380]  ? find_held_lock+0x36/0x1c0
[  385.967471]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  385.973028]  alloc_pages_current+0x173/0x350
[  385.977451]  __page_cache_alloc+0x38c/0x5c0
[  385.981788]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  385.986719]  ? kasan_check_read+0x11/0x20
[  385.990866]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.996180]  ? generic_perform_write+0x6a0/0x6a0
[  386.000943]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.006483]  ? check_preemption_disabled+0x48/0x280
[  386.011526]  filemap_fault+0x1595/0x25f0
[  386.015600]  ? __lock_page_or_retry+0xa00/0xa00
[  386.020273]  ? mark_held_locks+0x130/0x130
[  386.024518]  ? filemap_map_pages+0xd6b/0x1a20
[  386.029044]  ? lock_downgrade+0x900/0x900
[  386.033193]  ? check_preemption_disabled+0x48/0x280
[  386.038212]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.043143]  ? kasan_check_read+0x11/0x20
[  386.047299]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.052574]  ? rcu_softirq_qs+0x20/0x20
[  386.056581]  ? filemap_map_pages+0xd92/0x1a20
[  386.061092]  ? find_get_entries_tag+0x1400/0x1400
[  386.065939]  ? ep_scan_ready_list+0xbc7/0x1050
[  386.070532]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.075652]  ? lock_acquire+0x1ed/0x520
[  386.079640]  ? ext4_filemap_fault+0x7a/0xad
[  386.083969]  ? lock_release+0xa00/0xa00
[  386.087946]  ? perf_trace_sched_process_exec+0x860/0x860
[  386.093424]  ? print_usage_bug+0xc0/0xc0
[  386.097487]  ? print_usage_bug+0xc0/0xc0
[  386.101560]  ? down_read+0x8d/0x120
[  386.105187]  ? ext4_filemap_fault+0x7a/0xad
[  386.109688]  ? __down_interruptible+0x700/0x700
[  386.114373]  ext4_filemap_fault+0x82/0xad
[  386.118524]  __do_fault+0x100/0x6b0
[  386.122159]  ? pmd_devmap_trans_unstable+0x220/0x220
[  386.127266]  ? mark_held_locks+0x130/0x130
[  386.131504]  ? mark_held_locks+0x130/0x130
[  386.135741]  ? kasan_check_read+0x11/0x20
[  386.139888]  ? ep_poll+0xffa/0x13d0
[  386.143518]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.148629]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.154171]  __handle_mm_fault+0x3ea0/0x5be0
[  386.158578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.164122]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  386.168968]  ? do_epoll_create+0x590/0x590
[  386.173207]  ? kasan_check_read+0x11/0x20
[  386.177371]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.182651]  ? rcu_softirq_qs+0x20/0x20
[  386.186641]  ? zap_class+0x640/0x640
[  386.190353]  ? zap_class+0x640/0x640
[  386.194082]  ? find_held_lock+0x36/0x1c0
[  386.198160]  ? handle_mm_fault+0x42a/0xc70
[  386.202399]  ? lock_downgrade+0x900/0x900
[  386.206550]  ? check_preemption_disabled+0x48/0x280
[  386.211571]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.216501]  ? kasan_check_read+0x11/0x20
[  386.220653]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.225941]  ? rcu_softirq_qs+0x20/0x20
[  386.229912]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.235026]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.240571]  ? check_preemption_disabled+0x48/0x280
[  386.245594]  handle_mm_fault+0x54f/0xc70
[  386.249663]  ? __handle_mm_fault+0x5be0/0x5be0
[  386.254256]  ? find_vma+0x34/0x190
[  386.257803]  __do_page_fault+0x5e8/0xe60
[  386.261956]  ? trace_hardirqs_off+0xb8/0x310
[  386.266364]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  386.271912]  do_page_fault+0xf2/0x7e0
[  386.275712]  ? vmalloc_sync_all+0x30/0x30
[  386.279888]  ? error_entry+0x70/0xd0
[  386.283605]  ? trace_hardirqs_off_caller+0xbb/0x310
[  386.288620]  ? trace_hardirqs_on_caller+0xc0/0x310
[  386.293549]  ? syscall_return_slowpath+0x5e0/0x5e0
[  386.298477]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.303324]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.308340]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  386.313798]  ? prepare_exit_to_usermode+0x291/0x3b0
[  386.318817]  ? page_fault+0x8/0x30
[  386.322362]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.327209]  ? page_fault+0x8/0x30
[  386.330751]  page_fault+0x1e/0x30
[  386.334208] RIP: 0033:0x45df89
[  386.337421] Code: Bad RIP value.
[  386.340782] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  386.346154] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  386.353439] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  386.360705] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  386.367975] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  386.375263] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  386.382558] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  386.382622] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  386.389918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  386.389927] Call Trace:
[  386.396497] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  386.405754]  <IRQ>
[  386.408326] syz-fuzzer cpuset=/ mems_allowed=0
[  386.418552]  dump_stack+0x244/0x39d
[  386.428864]  ? dump_stack_print_info.cold.1+0x20/0x20
[  386.434084]  warn_alloc.cold.116+0xb7/0x1bd
[  386.438412]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  386.443260]  ? lock_downgrade+0x900/0x900
[  386.447416]  ? trace_hardirqs_off+0xb8/0x310
[  386.451833]  ? trace_hardirqs_off+0xb8/0x310
[  386.456251]  __alloc_pages_slowpath+0x26e8/0x2e10
[  386.461126]  ? warn_alloc+0x120/0x120
[  386.464930]  ? print_usage_bug+0xc0/0xc0
[  386.468999]  ? warn_alloc+0x120/0x120
[  386.472814]  ? warn_alloc+0x120/0x120
[  386.476616]  ? print_usage_bug+0xc0/0xc0
[  386.480680]  ? kvm_clock_read+0x18/0x30
[  386.484657]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  386.489676]  ? print_usage_bug+0xc0/0xc0
[  386.493740]  ? __lock_acquire+0x62f/0x4c20
[  386.497980]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.503530]  ? should_fail+0x22d/0xd01
[  386.507457]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.512758]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.517887]  ? __lock_acquire+0x62f/0x4c20
[  386.522142]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.527258]  ? __lock_acquire+0x62f/0x4c20
[  386.531512]  ? should_fail+0x22d/0xd01
[  386.535404]  ? rcu_irq_exit+0x1a2/0x390
[  386.539390]  ? mark_held_locks+0x130/0x130
[  386.543631]  ? mark_held_locks+0x130/0x130
[  386.547878]  ? mark_held_locks+0xc7/0x130
[  386.552037]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  386.557057]  ? zap_class+0x640/0x640
[  386.560774]  ? print_usage_bug+0xc0/0xc0
[  386.564839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.570385]  ? check_preemption_disabled+0x48/0x280
[  386.575412]  ? __lock_is_held+0xb5/0x140
[  386.579481]  __alloc_pages_nodemask+0xa80/0xde0
[  386.584153]  ? zap_class+0x640/0x640
[  386.587875]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  386.592904]  ? find_held_lock+0x36/0x1c0
[  386.596975]  ? ____cache_alloc_node+0x1c7/0x1e0
[  386.601650]  ? lock_downgrade+0x900/0x900
[  386.605808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.611595]  cache_grow_begin+0xa5/0x8c0
[  386.615660]  ? do_raw_spin_unlock+0xa7/0x330
[  386.620098]  fallback_alloc+0x204/0x2e0
[  386.624082]  ____cache_alloc_node+0x1c7/0x1e0
[  386.628584]  kmem_cache_alloc_node+0xe3/0x730
[  386.633083]  ? ipv6_get_ifaddr+0x42e/0x620
[  386.637377]  __alloc_skb+0x119/0x770
[  386.641105]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.646400]  ? netdev_alloc_frag+0x1f0/0x1f0
[  386.650824]  ? lock_downgrade+0x900/0x900
[  386.654983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.660548]  ? refcount_sub_and_test_checked+0x203/0x310
[  386.666008]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  386.671471]  ? addrconf_rs_timer+0x690/0x690
[  386.675890]  ndisc_alloc_skb+0x144/0x340
[  386.679961]  ndisc_send_rs+0x331/0x6e0
[  386.683857]  addrconf_rs_timer+0x314/0x690
[  386.688112]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.692359]  call_timer_fn+0x272/0x920
[  386.696245]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.700510]  ? process_timeout+0x40/0x40
[  386.704581]  ? __run_timers+0x7da/0xc70
[  386.708562]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.713056]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.717556]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.721792]  ? lockdep_hardirqs_on+0x296/0x5b0
[  386.726376]  ? trace_hardirqs_on+0xbd/0x310
[  386.730717]  ? kasan_check_read+0x11/0x20
[  386.734863]  ? __run_timers+0x7da/0xc70
[  386.738841]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.744461]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.748716]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.752949]  __run_timers+0x7e5/0xc70
[  386.756766]  ? timer_fixup_init+0x70/0x70
[  386.760918]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  386.765938]  ? zap_class+0x640/0x640
[  386.769671]  ? enqueue_hrtimer+0x1a5/0x560
[  386.773922]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  386.779119]  ? find_held_lock+0x36/0x1c0
[  386.783218]  ? zap_class+0x640/0x640
[  386.786933]  ? pvclock_read_flags+0x160/0x160
[  386.791434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.796977]  ? check_preemption_disabled+0x48/0x280
[  386.802002]  ? __lock_is_held+0xb5/0x140
[  386.806088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.811628]  ? check_preemption_disabled+0x48/0x280
[  386.816736]  run_timer_softirq+0x52/0xb0
[  386.820799]  ? rcu_read_lock_sched_held+0x14f/0x180
[  386.825820]  __do_softirq+0x308/0xb7e
[  386.829642]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  386.834138]  ? lock_downgrade+0x900/0x900
[  386.838295]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  386.843409]  ? pvclock_read_flags+0x160/0x160
[  386.847912]  ? lapic_next_event+0x5a/0x90
[  386.852095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.857651]  ? kvm_clock_read+0x18/0x30
[  386.861622]  ? kvm_sched_clock_read+0x9/0x20
[  386.866064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.871605]  ? check_preemption_disabled+0x48/0x280
[  386.876631]  irq_exit+0x17f/0x1c0
[  386.880091]  smp_apic_timer_interrupt+0x1cb/0x760
[  386.884938]  ? smp_reschedule_interrupt+0x109/0x650
[  386.889959]  ? smp_call_function_single_interrupt+0x650/0x650
[  386.895849]  ? interrupt_entry+0xb5/0xc0
[  386.899927]  ? trace_hardirqs_off_caller+0xbb/0x310
[  386.904957]  ? trace_hardirqs_off_caller+0xbb/0x310
[  386.909984]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.914838]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.919859]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.924890]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.929744]  apic_timer_interrupt+0xf/0x20
[  386.933973]  </IRQ>
[  386.936213] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  386.941144] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  386.960049] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  386.967756] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  386.975025] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  386.982292] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  386.989562] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  386.996826] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  387.004136]  skb_clone+0x1bb/0x500
[  387.007705]  ? finish_task_switch+0x2f4/0x910
[  387.012203]  ? skb_split+0x11e0/0x11e0
[  387.016090]  ? preempt_notifier_register+0x200/0x200
[  387.021222]  ? __switch_to_asm+0x34/0x70
[  387.025296]  ? __switch_to_asm+0x34/0x70
[  387.029371]  ? __switch_to_asm+0x40/0x70
[  387.033431]  ? __switch_to_asm+0x34/0x70
[  387.037491]  ? __switch_to_asm+0x40/0x70
[  387.041554]  ? __switch_to_asm+0x34/0x70
[  387.045614]  ? __switch_to_asm+0x40/0x70
[  387.049676]  ? __switch_to_asm+0x34/0x70
[  387.053736]  ? __switch_to_asm+0x34/0x70
[  387.057797]  ? __switch_to_asm+0x40/0x70
[  387.061855]  ? __switch_to_asm+0x34/0x70
[  387.065919]  bpf_clone_redirect+0xb9/0x490
[  387.070169]  ? __schedule+0x8d7/0x21d0
[  387.074063]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  387.079083]  ? __sched_text_start+0x8/0x8
[  387.083236]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  387.087816]  ? retint_kernel+0x2d/0x2d
[  387.091706]  ? trace_hardirqs_on_caller+0xc0/0x310
[  387.096645]  ? find_held_lock+0x36/0x1c0
[  387.100744]  ? lock_acquire+0x1ed/0x520
[  387.104721]  ? bpf_test_run+0x3cb/0x780
[  387.108696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.114248]  ? check_preemption_disabled+0x48/0x280
[  387.119288]  ? kasan_check_read+0x11/0x20
[  387.123439]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.128730]  ? rcu_softirq_qs+0x20/0x20
[  387.132703]  ? preempt_schedule+0x4d/0x60
[  387.136853]  ? ___preempt_schedule+0x16/0x18
[  387.141286]  ? bpf_test_run+0x25d/0x780
[  387.145302]  ? netlink_diag_dump+0x2a0/0x2a0
[  387.149714]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.155271]  ? bpf_test_init.isra.10+0x70/0x100
[  387.159947]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  387.164729]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  387.169574]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  387.175114]  ? fput+0x130/0x1a0
[  387.178397]  ? __bpf_prog_get+0x9b/0x290
[  387.182465]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  387.187306]  ? bpf_prog_test_run+0x130/0x1a0
[  387.191717]  ? __x64_sys_bpf+0x3d8/0x520
[  387.195778]  ? bpf_prog_get+0x20/0x20
[  387.199598]  ? do_syscall_64+0x1b9/0x820
[  387.203656]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  387.209031]  ? syscall_return_slowpath+0x5e0/0x5e0
[  387.213959]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.218824]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.223869]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  387.228891]  ? prepare_exit_to_usermode+0x291/0x3b0
[  387.233928]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.238777]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  387.244170] warn_alloc_show_mem: 1 callbacks suppressed
[  387.244182] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  387.244184] Mem-Info:
[  387.244215] active_anon:51179 inactive_anon:236 isolated_anon:0
[  387.244215]  active_file:17 inactive_file:9 isolated_file:0
[  387.244215]  unevictable:0 dirty:0 writeback:0 unstable:0
[  387.244215]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  387.244215]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  387.244215]  free:13694 free_pcp:258 free_cma:0
[  387.249572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  387.256590] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  387.258992] Call Trace:
[  387.291792] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  387.301135]  <IRQ>
[  387.328615] lowmem_reserve[]: 0 2818 6321 6321
[  387.331198]  dump_stack+0x244/0x39d
[  387.357281] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  387.359429]  ? dump_stack_print_info.cold.1+0x20/0x20
[  387.363984] lowmem_reserve[]: 0 0 3503 3503
[  387.367616]  warn_alloc.cold.116+0xb7/0x1bd
[  387.394737] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  387.399947]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  387.404261] lowmem_reserve[]: 0 0 0 0
[  387.408578]  ? lock_downgrade+0x900/0x900
[  387.437524] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  387.442381]  ? trace_hardirqs_off+0xb8/0x310
[  387.446153] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  387.450327]  ? trace_hardirqs_off+0xb8/0x310
[  387.463827] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  387.468239]  __alloc_pages_slowpath+0x26e8/0x2e10
[  387.483387] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  387.487801]  ? warn_alloc+0x120/0x120
[  387.501978] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  387.506807]  ? print_usage_bug+0xc0/0xc0
[  387.515646] 309 total pagecache pages
[  387.519438]  ? warn_alloc+0x120/0x120
[  387.528024] 0 pages in swap cache
[  387.532077]  ? warn_alloc+0x120/0x120
[  387.535856] Swap cache stats: add 0, delete 0, find 0/0
[  387.539692]  ? print_usage_bug+0xc0/0xc0
[  387.543138] Free swap  = 0kB
[  387.546934]  ? kvm_clock_read+0x18/0x30
[  387.552272] Total swap = 0kB
[  387.556326]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  387.559321] 1965979 pages RAM
[  387.563290]  ? print_usage_bug+0xc0/0xc0
[  387.566303] 0 pages HighMem/MovableOnly
[  387.571327]  ? __lock_acquire+0x62f/0x4c20
[  387.574426] 342853 pages reserved
[  387.578499]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.582450] 0 pages cma reserved
[  387.586703]  ? should_fail+0x22d/0xd01
[  387.590195] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  387.595654]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.595673]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.595691]  ? __lock_acquire+0x62f/0x4c20
[  387.599096] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  387.602932]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.609399] syz-executor2 cpuset=syz2 mems_allowed=0
[  387.614677]  ? __lock_acquire+0x62f/0x4c20
[  387.648887]  ? should_fail+0x22d/0xd01
[  387.652770]  ? rcu_irq_exit+0x1a2/0x390
[  387.656760]  ? mark_held_locks+0x130/0x130
[  387.661005]  ? mark_held_locks+0x130/0x130
[  387.665259]  ? mark_held_locks+0xc7/0x130
[  387.669407]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  387.674425]  ? zap_class+0x640/0x640
[  387.678143]  ? print_usage_bug+0xc0/0xc0
[  387.682212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.687755]  ? check_preemption_disabled+0x48/0x280
[  387.692784]  ? __lock_is_held+0xb5/0x140
[  387.696852]  __alloc_pages_nodemask+0xa80/0xde0
[  387.701526]  ? zap_class+0x640/0x640
[  387.705279]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  387.710309]  ? find_held_lock+0x36/0x1c0
[  387.714383]  ? ____cache_alloc_node+0x1c7/0x1e0
[  387.719063]  ? lock_downgrade+0x900/0x900
[  387.723231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.728774]  cache_grow_begin+0xa5/0x8c0
[  387.732853]  ? do_raw_spin_unlock+0xa7/0x330
[  387.737269]  fallback_alloc+0x204/0x2e0
[  387.741253]  ____cache_alloc_node+0x1c7/0x1e0
[  387.745754]  kmem_cache_alloc_node+0xe3/0x730
[  387.750250]  ? ipv6_get_ifaddr+0x42e/0x620
[  387.754497]  __alloc_skb+0x119/0x770
[  387.758241]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.763522]  ? netdev_alloc_frag+0x1f0/0x1f0
[  387.767933]  ? lock_downgrade+0x900/0x900
[  387.772090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.777640]  ? refcount_sub_and_test_checked+0x203/0x310
[  387.783095]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  387.788549]  ? addrconf_rs_timer+0x690/0x690
[  387.792986]  ndisc_alloc_skb+0x144/0x340
[  387.797097]  ndisc_send_rs+0x331/0x6e0
[  387.800988]  addrconf_rs_timer+0x314/0x690
[  387.805242]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.809505]  call_timer_fn+0x272/0x920
[  387.813395]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.817629]  ? process_timeout+0x40/0x40
[  387.821704]  ? mark_held_locks+0xc7/0x130
[  387.825853]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.830348]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.834844]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.839081]  ? lockdep_hardirqs_on+0x296/0x5b0
[  387.843683]  ? trace_hardirqs_on+0xbd/0x310
[  387.848044]  ? kasan_check_read+0x11/0x20
[  387.852191]  ? __run_timers+0x7da/0xc70
[  387.856166]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.861274]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.865515]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.869748]  __run_timers+0x7e5/0xc70
[  387.873557]  ? timer_fixup_init+0x70/0x70
[  387.877706]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  387.882740]  ? zap_class+0x640/0x640
[  387.886490]  ? print_usage_bug+0xc0/0xc0
[  387.890553]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  387.895752]  ? find_held_lock+0x36/0x1c0
[  387.899847]  ? zap_class+0x640/0x640
[  387.903570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.909111]  ? check_preemption_disabled+0x48/0x280
[  387.914149]  ? __lock_is_held+0xb5/0x140
[  387.918244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.923786]  ? check_preemption_disabled+0x48/0x280
[  387.928868]  run_timer_softirq+0x52/0xb0
[  387.932946]  ? rcu_read_lock_sched_held+0x14f/0x180
[  387.937962]  __do_softirq+0x308/0xb7e
[  387.941768]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  387.946267]  ? lock_downgrade+0x900/0x900
[  387.950418]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  387.955544]  ? pvclock_read_flags+0x160/0x160
[  387.960059]  ? lapic_next_event+0x5a/0x90
[  387.964230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.969774]  ? kvm_clock_read+0x18/0x30
[  387.973753]  ? kvm_sched_clock_read+0x9/0x20
[  387.978166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.983710]  ? check_preemption_disabled+0x48/0x280
[  387.988736]  irq_exit+0x17f/0x1c0
[  387.992193]  smp_apic_timer_interrupt+0x1cb/0x760
[  387.997045]  ? smp_reschedule_interrupt+0x109/0x650
[  388.002066]  ? smp_call_function_single_interrupt+0x650/0x650
[  388.007950]  ? interrupt_entry+0xb5/0xc0
[  388.012023]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.017085]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.022103]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.026950]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.031966]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.036980]  ? task_prio+0x50/0x50
[  388.040525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.046069]  ? check_preemption_disabled+0x48/0x280
[  388.051097]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.055950]  apic_timer_interrupt+0xf/0x20
[  388.060182]  </IRQ>
[  388.062425] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  388.067617] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  388.086521] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  388.094227] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  388.101498] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  388.108767] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  388.116043] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  388.123313] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  388.130611]  retint_kernel+0x1b/0x2d
[  388.134324] RIP: 0010:dump_stack+0x358/0x39d
[  388.138730] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  388.157630] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  388.165336] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  388.172603] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  388.179871] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  388.187148] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  388.194413] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  388.201704]  ? dump_stack+0x34f/0x39d
[  388.205553]  ? dump_stack_print_info.cold.1+0x20/0x20
[  388.210752]  ? mark_held_locks+0x130/0x130
[  388.214988]  ? mark_held_locks+0x130/0x130
[  388.219238]  dump_header+0x27b/0xf72
[  388.222966]  ? pagefault_out_of_memory+0x197/0x197
[  388.227906]  ? __lock_acquire+0x62f/0x4c20
[  388.232147]  ? percpu_ref_get_many+0x240/0x240
[  388.236733]  ? print_usage_bug+0xc0/0xc0
[  388.240814]  ? zap_class+0x640/0x640
[  388.244548]  ? print_usage_bug+0xc0/0xc0
[  388.248611]  ? print_usage_bug+0xc0/0xc0
[  388.252671]  ? zap_class+0x640/0x640
[  388.256391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.261936]  ? find_held_lock+0x36/0x1c0
[  388.266013]  ? mark_held_locks+0xc7/0x130
[  388.270181]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  388.275286]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  388.280393]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  388.284977]  ? trace_hardirqs_on+0xbd/0x310
[  388.289299]  ? kasan_check_read+0x11/0x20
[  388.293446]  ? ___ratelimit+0x3b4/0x672
[  388.297422]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.302541]  ? trace_hardirqs_on+0x310/0x310
[  388.306954]  ? lock_downgrade+0x900/0x900
[  388.311123]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  388.316239]  ? ___ratelimit+0x3b9/0x672
[  388.320219]  ? idr_get_free+0xf70/0xf70
[  388.324197]  ? find_held_lock+0x36/0x1c0
[  388.328269]  oom_kill_process.cold.27+0x10/0x903
[  388.333031]  ? zap_class+0x640/0x640
[  388.336768]  ? check_preemption_disabled+0x48/0x280
[  388.341790]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.346749]  ? kasan_check_read+0x11/0x20
[  388.350896]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.356239]  ? oom_evaluate_task+0x540/0x540
[  388.360680]  ? find_held_lock+0x36/0x1c0
[  388.364760]  ? out_of_memory+0x974/0x1430
[  388.368910]  ? lock_downgrade+0x900/0x900
[  388.373063]  ? check_preemption_disabled+0x48/0x280
[  388.378084]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.383023]  ? kasan_check_read+0x11/0x20
[  388.387175]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.392472]  ? rcu_softirq_qs+0x20/0x20
[  388.396479]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.402023]  ? oom_evaluate_task+0x302/0x540
[  388.406444]  out_of_memory+0xa84/0x1430
[  388.410431]  ? oom_killer_disable+0x3a0/0x3a0
[  388.414930]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  388.419866]  ? __ww_mutex_check_waiters+0x160/0x160
[  388.424927]  __alloc_pages_slowpath+0x2354/0x2e10
[  388.429801]  ? warn_alloc+0x120/0x120
[  388.433615]  ? mark_held_locks+0x130/0x130
[  388.437855]  ? find_get_entry+0xaae/0x1120
[  388.442119]  ? filemap_map_pages+0x1a20/0x1a20
[  388.446728]  ? zap_class+0x640/0x640
[  388.450448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.455985]  ? check_preemption_disabled+0x48/0x280
[  388.461009]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.466560]  ? should_fail+0x22d/0xd01
[  388.470456]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.475580]  ? zap_class+0x640/0x640
[  388.479320]  ? __lock_is_held+0xb5/0x140
[  388.483408]  ? mark_held_locks+0x130/0x130
[  388.487645]  ? lock_release+0xa00/0xa00
[  388.491637]  ? perf_trace_sched_process_exec+0x860/0x860
[  388.497106]  ? xa_load+0x2ba/0x460
[  388.500643]  ? lock_downgrade+0x900/0x900
[  388.504793]  ? __might_sleep+0x95/0x190
[  388.508772]  __alloc_pages_nodemask+0xa80/0xde0
[  388.513450]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  388.518482]  ? __page_cache_alloc+0x191/0x5c0
[  388.522974]  ? xa_load+0x2e1/0x460
[  388.526516]  ? xa_clear_mark+0x40/0x40
[  388.530412]  ? zap_class+0x640/0x640
[  388.534139]  ? zap_class+0x640/0x640
[  388.537857]  ? zap_class+0x640/0x640
[  388.541573]  ? __do_page_cache_readahead+0x663/0x810
[  388.546714]  ? find_held_lock+0x36/0x1c0
[  388.550785]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  388.556328]  alloc_pages_current+0x173/0x350
[  388.560747]  __page_cache_alloc+0x38c/0x5c0
[  388.565116]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.570065]  ? kasan_check_read+0x11/0x20
[  388.574216]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.579493]  ? generic_perform_write+0x6a0/0x6a0
[  388.584251]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.589801]  ? check_preemption_disabled+0x48/0x280
[  388.594825]  filemap_fault+0x1595/0x25f0
[  388.598906]  ? __lock_page_or_retry+0xa00/0xa00
[  388.603583]  ? mark_held_locks+0x130/0x130
[  388.607830]  ? filemap_map_pages+0xd6b/0x1a20
[  388.612827]  ? lock_downgrade+0x900/0x900
[  388.616978]  ? check_preemption_disabled+0x48/0x280
[  388.621997]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.626940]  ? kasan_check_read+0x11/0x20
[  388.631087]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.636369]  ? rcu_softirq_qs+0x20/0x20
[  388.640358]  ? filemap_map_pages+0xd92/0x1a20
[  388.644867]  ? find_get_entries_tag+0x1400/0x1400
[  388.649717]  ? ep_scan_ready_list+0xbc7/0x1050
[  388.654320]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.659454]  ? lock_acquire+0x1ed/0x520
[  388.663440]  ? ext4_filemap_fault+0x7a/0xad
[  388.667768]  ? lock_release+0xa00/0xa00
[  388.671741]  ? perf_trace_sched_process_exec+0x860/0x860
[  388.677194]  ? print_usage_bug+0xc0/0xc0
[  388.681257]  ? print_usage_bug+0xc0/0xc0
[  388.685340]  ? down_read+0x8d/0x120
[  388.688979]  ? ext4_filemap_fault+0x7a/0xad
[  388.693325]  ? __down_interruptible+0x700/0x700
[  388.698047]  ext4_filemap_fault+0x82/0xad
[  388.702237]  __do_fault+0x100/0x6b0
[  388.705878]  ? pmd_devmap_trans_unstable+0x220/0x220
[  388.710992]  ? mark_held_locks+0x130/0x130
[  388.715258]  ? mark_held_locks+0x130/0x130
[  388.719491]  ? kasan_check_read+0x11/0x20
[  388.723640]  ? ep_poll+0xffa/0x13d0
[  388.727270]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.732383]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.737923]  __handle_mm_fault+0x3ea0/0x5be0
[  388.742470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.748025]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  388.752909]  ? do_epoll_create+0x590/0x590
[  388.757144]  ? kasan_check_read+0x11/0x20
[  388.761301]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.766594]  ? rcu_softirq_qs+0x20/0x20
[  388.770582]  ? zap_class+0x640/0x640
[  388.774297]  ? zap_class+0x640/0x640
[  388.778036]  ? find_held_lock+0x36/0x1c0
[  388.782132]  ? handle_mm_fault+0x42a/0xc70
[  388.786370]  ? lock_downgrade+0x900/0x900
[  388.790533]  ? check_preemption_disabled+0x48/0x280
[  388.795559]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.800485]  ? kasan_check_read+0x11/0x20
[  388.804645]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.809919]  ? rcu_softirq_qs+0x20/0x20
[  388.813905]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.819047]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.824610]  ? check_preemption_disabled+0x48/0x280
[  388.829632]  handle_mm_fault+0x54f/0xc70
[  388.833700]  ? __handle_mm_fault+0x5be0/0x5be0
[  388.838296]  ? find_vma+0x34/0x190
[  388.841843]  __do_page_fault+0x5e8/0xe60
[  388.845903]  ? trace_hardirqs_off+0xb8/0x310
[  388.850308]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  388.855865]  do_page_fault+0xf2/0x7e0
[  388.859703]  ? vmalloc_sync_all+0x30/0x30
[  388.863865]  ? error_entry+0x70/0xd0
[  388.867614]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.872630]  ? trace_hardirqs_on_caller+0xc0/0x310
[  388.877561]  ? syscall_return_slowpath+0x5e0/0x5e0
[  388.882490]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.887333]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.892348]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  388.897804]  ? prepare_exit_to_usermode+0x291/0x3b0
[  388.902828]  ? page_fault+0x8/0x30
[  388.906424]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.911317]  ? page_fault+0x8/0x30
[  388.914861]  page_fault+0x1e/0x30
[  388.918311] RIP: 0033:0x45df89
[  388.921518] Code: Bad RIP value.
[  388.924880] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  388.930241] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  388.937509] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  388.944774] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  388.952053] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  388.959321] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  388.966628] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  388.966712] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  388.973986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  388.973991] Call Trace:
[  388.973997]  <IRQ>
[  388.974037]  dump_stack+0x244/0x39d
[  388.974059]  ? dump_stack_print_info.cold.1+0x20/0x20
[  388.980585] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  388.989893]  warn_alloc.cold.116+0xb7/0x1bd
[  388.992461] syz-fuzzer cpuset=/ mems_allowed=0
[  388.994607]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  389.027304]  ? lock_downgrade+0x900/0x900
[  389.031461]  ? trace_hardirqs_off+0xb8/0x310
[  389.035882]  ? trace_hardirqs_off+0xb8/0x310
[  389.040311]  __alloc_pages_slowpath+0x26e8/0x2e10
[  389.045184]  ? warn_alloc+0x120/0x120
[  389.048987]  ? print_usage_bug+0xc0/0xc0
[  389.053053]  ? warn_alloc+0x120/0x120
[  389.056862]  ? warn_alloc+0x120/0x120
[  389.060695]  ? print_usage_bug+0xc0/0xc0
[  389.064774]  ? print_usage_bug+0xc0/0xc0
[  389.068842]  ? __lock_acquire+0x62f/0x4c20
[  389.073105]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.078644]  ? should_fail+0x22d/0xd01
[  389.082543]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.087651]  ? __lock_acquire+0x62f/0x4c20
[  389.091890]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.096994]  ? __lock_acquire+0x62f/0x4c20
[  389.101235]  ? should_fail+0x22d/0xd01
[  389.105121]  ? find_held_lock+0x36/0x1c0
[  389.109189]  ? mark_held_locks+0x130/0x130
[  389.113442]  ? mark_held_locks+0x130/0x130
[  389.117680]  ? zap_class+0x640/0x640
[  389.121393]  ? zap_class+0x640/0x640
[  389.125110]  ? print_usage_bug+0xc0/0xc0
[  389.129174]  ? do_raw_spin_unlock+0xa7/0x330
[  389.133586]  ? zap_class+0x640/0x640
[  389.137314]  ? print_usage_bug+0xc0/0xc0
[  389.141391]  ? wq_watchdog_touch+0x9c/0xfe
[  389.145630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.151170]  ? check_preemption_disabled+0x48/0x280
[  389.156200]  ? __lock_is_held+0xb5/0x140
[  389.160269]  __alloc_pages_nodemask+0xa80/0xde0
[  389.164939]  ? zap_class+0x640/0x640
[  389.168662]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  389.173692]  ? find_held_lock+0x36/0x1c0
[  389.177765]  ? ____cache_alloc_node+0x1c7/0x1e0
[  389.182435]  ? lock_downgrade+0x900/0x900
[  389.186589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.192147]  cache_grow_begin+0xa5/0x8c0
[  389.196208]  ? do_raw_spin_unlock+0xa7/0x330
[  389.200628]  fallback_alloc+0x204/0x2e0
[  389.204612]  ____cache_alloc_node+0x1c7/0x1e0
[  389.209116]  kmem_cache_alloc_node+0xe3/0x730
[  389.213615]  ? ipv6_get_ifaddr+0x42e/0x620
[  389.217862]  __alloc_skb+0x119/0x770
[  389.221577]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.226861]  ? netdev_alloc_frag+0x1f0/0x1f0
[  389.231272]  ? lock_downgrade+0x900/0x900
[  389.235431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.240969]  ? refcount_sub_and_test_checked+0x203/0x310
[  389.246427]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  389.251878]  ? addrconf_rs_timer+0x690/0x690
[  389.256310]  ndisc_alloc_skb+0x144/0x340
[  389.260391]  ndisc_send_rs+0x331/0x6e0
[  389.264281]  addrconf_rs_timer+0x314/0x690
[  389.268525]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.272773]  call_timer_fn+0x272/0x920
[  389.276676]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.280914]  ? process_timeout+0x40/0x40
[  389.284983]  ? __run_timers+0x7da/0xc70
[  389.288963]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.293457]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.297953]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.302192]  ? lockdep_hardirqs_on+0x296/0x5b0
[  389.306790]  ? trace_hardirqs_on+0xbd/0x310
[  389.311155]  ? kasan_check_read+0x11/0x20
[  389.315317]  ? __run_timers+0x7da/0xc70
[  389.319305]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.324424]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.328681]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.332915]  __run_timers+0x7e5/0xc70
[  389.336742]  ? timer_fixup_init+0x70/0x70
[  389.340906]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  389.345922]  ? zap_class+0x640/0x640
[  389.349649]  ? enqueue_hrtimer+0x1a5/0x560
[  389.353888]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  389.359088]  ? find_held_lock+0x36/0x1c0
[  389.363173]  ? zap_class+0x640/0x640
[  389.368311]  ? pvclock_read_flags+0x160/0x160
[  389.372808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.378347]  ? check_preemption_disabled+0x48/0x280
[  389.383374]  ? __lock_is_held+0xb5/0x140
[  389.387437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.392990]  ? check_preemption_disabled+0x48/0x280
[  389.398030]  run_timer_softirq+0x52/0xb0
[  389.402095]  ? rcu_read_lock_sched_held+0x14f/0x180
[  389.407113]  __do_softirq+0x308/0xb7e
[  389.410922]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  389.415438]  ? lock_downgrade+0x900/0x900
[  389.419588]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  389.424727]  ? pvclock_read_flags+0x160/0x160
[  389.429251]  ? lapic_next_event+0x5a/0x90
[  389.433430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.438971]  ? kvm_clock_read+0x18/0x30
[  389.442946]  ? kvm_sched_clock_read+0x9/0x20
[  389.447356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.452894]  ? check_preemption_disabled+0x48/0x280
[  389.457922]  irq_exit+0x17f/0x1c0
[  389.461397]  smp_apic_timer_interrupt+0x1cb/0x760
[  389.466240]  ? smp_reschedule_interrupt+0x109/0x650
[  389.471261]  ? smp_call_function_single_interrupt+0x650/0x650
[  389.477148]  ? interrupt_entry+0xb5/0xc0
[  389.481211]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.486226]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.491248]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.496097]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.501145]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.506188]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.511050]  apic_timer_interrupt+0xf/0x20
[  389.515282]  </IRQ>
[  389.517526] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  389.522464] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  389.541365] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  389.549088] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  389.556357] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  389.563665] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  389.570970] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  389.578236] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  389.585543]  skb_clone+0x1bb/0x500
[  389.589086]  ? finish_task_switch+0x2f4/0x910
[  389.593584]  ? skb_split+0x11e0/0x11e0
[  389.597475]  ? preempt_notifier_register+0x200/0x200
[  389.602625]  ? __switch_to_asm+0x34/0x70
[  389.606686]  ? __switch_to_asm+0x34/0x70
[  389.610745]  ? __switch_to_asm+0x40/0x70
[  389.614801]  ? __switch_to_asm+0x34/0x70
[  389.618861]  ? __switch_to_asm+0x40/0x70
[  389.622921]  ? __switch_to_asm+0x34/0x70
[  389.626982]  ? __switch_to_asm+0x40/0x70
[  389.631058]  ? __switch_to_asm+0x34/0x70
[  389.635120]  ? __switch_to_asm+0x34/0x70
[  389.639180]  ? __switch_to_asm+0x40/0x70
[  389.643259]  ? __switch_to_asm+0x34/0x70
[  389.647326]  bpf_clone_redirect+0xb9/0x490
[  389.651566]  ? __schedule+0x8d7/0x21d0
[  389.655488]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  389.660521]  ? __sched_text_start+0x8/0x8
[  389.664677]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  389.669259]  ? retint_kernel+0x2d/0x2d
[  389.673148]  ? trace_hardirqs_on_caller+0xc0/0x310
[  389.678080]  ? find_held_lock+0x36/0x1c0
[  389.682149]  ? lock_acquire+0x1ed/0x520
[  389.686137]  ? bpf_test_run+0x3cb/0x780
[  389.690129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.695671]  ? check_preemption_disabled+0x48/0x280
[  389.700695]  ? kasan_check_read+0x11/0x20
[  389.704847]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.710142]  ? rcu_softirq_qs+0x20/0x20
[  389.714132]  ? preempt_schedule+0x4d/0x60
[  389.718283]  ? ___preempt_schedule+0x16/0x18
[  389.722699]  ? bpf_test_run+0x25d/0x780
[  389.726702]  ? netlink_diag_dump+0x2a0/0x2a0
[  389.731125]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.736661]  ? bpf_test_init.isra.10+0x70/0x100
[  389.741339]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  389.746105]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  389.750960]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  389.756502]  ? fput+0x130/0x1a0
[  389.759784]  ? __bpf_prog_get+0x9b/0x290
[  389.763853]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  389.768694]  ? bpf_prog_test_run+0x130/0x1a0
[  389.773109]  ? __x64_sys_bpf+0x3d8/0x520
[  389.777172]  ? bpf_prog_get+0x20/0x20
[  389.780996]  ? do_syscall_64+0x1b9/0x820
[  389.785068]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  389.790448]  ? syscall_return_slowpath+0x5e0/0x5e0
[  389.795380]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.800229]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.805247]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  389.810271]  ? prepare_exit_to_usermode+0x291/0x3b0
[  389.815295]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.820146]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  389.825530] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  389.825535] warn_alloc_show_mem: 1 callbacks suppressed
[  389.825545] Mem-Info:
[  389.832548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  389.832556] Call Trace:
[  389.837934] active_anon:51179 inactive_anon:236 isolated_anon:0
[  389.837934]  active_file:17 inactive_file:9 isolated_file:0
[  389.837934]  unevictable:0 dirty:0 writeback:0 unstable:0
[  389.837934]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  389.837934]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  389.837934]  free:13694 free_pcp:258 free_cma:0
[  389.840305]  <IRQ>
[  389.849670] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  389.852255]  dump_stack+0x244/0x39d
[  389.885030] 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
[  389.887182]  ? dump_stack_print_info.cold.1+0x20/0x20
[  389.914658] lowmem_reserve[]: 0 2818 6321 6321
[  389.918288]  warn_alloc.cold.116+0xb7/0x1bd
[  389.944367] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  389.949557]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  389.954145] lowmem_reserve[]: 0 0 3503 3503
[  389.958488]  ? lock_downgrade+0x900/0x900
[  389.985611] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  389.990451]  ? trace_hardirqs_off+0xb8/0x310
[  389.994747] lowmem_reserve[]: 0 0 0 0
[  389.998891]  ? trace_hardirqs_off+0xb8/0x310
[  390.027860] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  390.032307]  __alloc_pages_slowpath+0x26e8/0x2e10
[  390.036075] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  390.040516]  ? warn_alloc+0x120/0x120
[  390.053997] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  390.058854]  ? print_usage_bug+0xc0/0xc0
[  390.074008] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  390.077801]  ? warn_alloc+0x120/0x120
[  390.092001] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  390.096060]  ? warn_alloc+0x120/0x120
[  390.104865] 309 total pagecache pages
[  390.108656]  ? print_usage_bug+0xc0/0xc0
[  390.117213] 0 pages in swap cache
[  390.121023]  ? print_usage_bug+0xc0/0xc0
[  390.124814] Swap cache stats: add 0, delete 0, find 0/0
[  390.128864]  ? __lock_acquire+0x62f/0x4c20
[  390.132292] Free swap  = 0kB
[  390.136345]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.141684] Total swap = 0kB
[  390.145912]  ? should_fail+0x22d/0xd01
[  390.148906] 1965979 pages RAM
[  390.154450]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.157447] 0 pages HighMem/MovableOnly
[  390.161334]  ? __lock_acquire+0x62f/0x4c20
[  390.164415] 342853 pages reserved
[  390.169535]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.173502] 0 pages cma reserved
[  390.177729]  ? __lock_acquire+0x62f/0x4c20
[  390.181250] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  390.186247]  ? should_fail+0x22d/0xd01
[  390.186261]  ? find_held_lock+0x36/0x1c0
[  390.186284]  ? mark_held_locks+0x130/0x130
[  390.189683] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  390.193862]  ? mark_held_locks+0x130/0x130
[  390.200330] syz-executor2 cpuset=syz2 mems_allowed=0
[  390.204209]  ? zap_class+0x640/0x640
[  390.235966]  ? zap_class+0x640/0x640
[  390.239713]  ? print_usage_bug+0xc0/0xc0
[  390.243774]  ? do_raw_spin_unlock+0xa7/0x330
[  390.248180]  ? zap_class+0x640/0x640
[  390.251912]  ? print_usage_bug+0xc0/0xc0
[  390.256013]  ? wq_watchdog_touch+0x9c/0xfe
[  390.260310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.265848]  ? check_preemption_disabled+0x48/0x280
[  390.270873]  ? __lock_is_held+0xb5/0x140
[  390.274940]  __alloc_pages_nodemask+0xa80/0xde0
[  390.279610]  ? zap_class+0x640/0x640
[  390.283331]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  390.288370]  ? find_held_lock+0x36/0x1c0
[  390.292447]  ? ____cache_alloc_node+0x1c7/0x1e0
[  390.297121]  ? lock_downgrade+0x900/0x900
[  390.301289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.306846]  cache_grow_begin+0xa5/0x8c0
[  390.310911]  ? do_raw_spin_unlock+0xa7/0x330
[  390.315328]  fallback_alloc+0x204/0x2e0
[  390.319313]  ____cache_alloc_node+0x1c7/0x1e0
[  390.323816]  kmem_cache_alloc_node+0xe3/0x730
[  390.328328]  ? ipv6_get_ifaddr+0x42e/0x620
[  390.332583]  __alloc_skb+0x119/0x770
[  390.336298]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.341596]  ? netdev_alloc_frag+0x1f0/0x1f0
[  390.346006]  ? lock_downgrade+0x900/0x900
[  390.350212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.355756]  ? refcount_sub_and_test_checked+0x203/0x310
[  390.361215]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  390.366698]  ? addrconf_rs_timer+0x690/0x690
[  390.371142]  ndisc_alloc_skb+0x144/0x340
[  390.375213]  ndisc_send_rs+0x331/0x6e0
[  390.379122]  addrconf_rs_timer+0x314/0x690
[  390.383362]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.387654]  call_timer_fn+0x272/0x920
[  390.391542]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.395776]  ? process_timeout+0x40/0x40
[  390.399855]  ? mark_held_locks+0xc7/0x130
[  390.404010]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.408521]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.413023]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.417268]  ? lockdep_hardirqs_on+0x296/0x5b0
[  390.421856]  ? trace_hardirqs_on+0xbd/0x310
[  390.426196]  ? kasan_check_read+0x11/0x20
[  390.430355]  ? __run_timers+0x7da/0xc70
[  390.434332]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.439441]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.443680]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.447946]  __run_timers+0x7e5/0xc70
[  390.451776]  ? timer_fixup_init+0x70/0x70
[  390.455929]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  390.460949]  ? zap_class+0x640/0x640
[  390.464668]  ? print_usage_bug+0xc0/0xc0
[  390.468736]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  390.473932]  ? find_held_lock+0x36/0x1c0
[  390.478036]  ? zap_class+0x640/0x640
[  390.481768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.487307]  ? check_preemption_disabled+0x48/0x280
[  390.492335]  ? __lock_is_held+0xb5/0x140
[  390.496396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.501938]  ? check_preemption_disabled+0x48/0x280
[  390.506959]  run_timer_softirq+0x52/0xb0
[  390.511029]  ? rcu_read_lock_sched_held+0x14f/0x180
[  390.516063]  __do_softirq+0x308/0xb7e
[  390.519869]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  390.524392]  ? lock_downgrade+0x900/0x900
[  390.528559]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  390.533670]  ? pvclock_read_flags+0x160/0x160
[  390.538174]  ? lapic_next_event+0x5a/0x90
[  390.542324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.547886]  ? kvm_clock_read+0x18/0x30
[  390.551867]  ? kvm_sched_clock_read+0x9/0x20
[  390.556278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.561815]  ? check_preemption_disabled+0x48/0x280
[  390.566870]  irq_exit+0x17f/0x1c0
[  390.570326]  smp_apic_timer_interrupt+0x1cb/0x760
[  390.575167]  ? smp_reschedule_interrupt+0x109/0x650
[  390.580215]  ? smp_call_function_single_interrupt+0x650/0x650
[  390.586099]  ? interrupt_entry+0xb5/0xc0
[  390.590164]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.595179]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.600198]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.605055]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.610089]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.615604]  ? task_prio+0x50/0x50
[  390.619146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.624687]  ? check_preemption_disabled+0x48/0x280
[  390.629711]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.634602]  apic_timer_interrupt+0xf/0x20
[  390.638830]  </IRQ>
[  390.641074] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  390.646275] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  390.665174] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  390.672883] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  390.680157] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  390.687429] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  390.694714] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  390.701984] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  390.709293]  retint_kernel+0x1b/0x2d
[  390.713008] RIP: 0010:dump_stack+0x358/0x39d
[  390.717432] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  390.736334] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  390.744144] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  390.751415] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  390.758688] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  390.765957] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  390.773225] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  390.780525]  ? dump_stack+0x34f/0x39d
[  390.784339]  ? dump_stack_print_info.cold.1+0x20/0x20
[  390.789534]  ? mark_held_locks+0x130/0x130
[  390.793773]  ? mark_held_locks+0x130/0x130
[  390.798023]  dump_header+0x27b/0xf72
[  390.801755]  ? pagefault_out_of_memory+0x197/0x197
[  390.806694]  ? __lock_acquire+0x62f/0x4c20
[  390.810932]  ? percpu_ref_get_many+0x240/0x240
[  390.815522]  ? print_usage_bug+0xc0/0xc0
[  390.819589]  ? zap_class+0x640/0x640
[  390.823308]  ? print_usage_bug+0xc0/0xc0
[  390.827371]  ? print_usage_bug+0xc0/0xc0
[  390.831432]  ? zap_class+0x640/0x640
[  390.835150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.840692]  ? find_held_lock+0x36/0x1c0
[  390.844779]  ? mark_held_locks+0xc7/0x130
[  390.848947]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  390.854058]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  390.859168]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  390.863753]  ? trace_hardirqs_on+0xbd/0x310
[  390.868077]  ? kasan_check_read+0x11/0x20
[  390.872225]  ? ___ratelimit+0x3b4/0x672
[  390.876215]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.881320]  ? trace_hardirqs_on+0x310/0x310
[  390.885728]  ? lock_downgrade+0x900/0x900
[  390.889881]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  390.895022]  ? ___ratelimit+0x3b9/0x672
[  390.899031]  ? idr_get_free+0xf70/0xf70
[  390.903042]  ? find_held_lock+0x36/0x1c0
[  390.907165]  oom_kill_process.cold.27+0x10/0x903
[  390.911935]  ? zap_class+0x640/0x640
[  390.915647]  ? check_preemption_disabled+0x48/0x280
[  390.920673]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  390.925598]  ? kasan_check_read+0x11/0x20
[  390.929745]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.935029]  ? oom_evaluate_task+0x540/0x540
[  390.939451]  ? find_held_lock+0x36/0x1c0
[  390.943531]  ? out_of_memory+0x974/0x1430
[  390.947678]  ? lock_downgrade+0x900/0x900
[  390.951826]  ? check_preemption_disabled+0x48/0x280
[  390.956860]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  390.961803]  ? kasan_check_read+0x11/0x20
[  390.965951]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.971227]  ? rcu_softirq_qs+0x20/0x20
[  390.975206]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.980741]  ? oom_evaluate_task+0x302/0x540
[  390.985159]  out_of_memory+0xa84/0x1430
[  390.989146]  ? oom_killer_disable+0x3a0/0x3a0
[  390.993644]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  390.998577]  ? __ww_mutex_check_waiters+0x160/0x160
[  391.003610]  __alloc_pages_slowpath+0x2354/0x2e10
[  391.008488]  ? warn_alloc+0x120/0x120
[  391.012287]  ? mark_held_locks+0x130/0x130
[  391.016532]  ? find_get_entry+0xaae/0x1120
[  391.020777]  ? filemap_map_pages+0x1a20/0x1a20
[  391.025367]  ? zap_class+0x640/0x640
[  391.029089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.034630]  ? check_preemption_disabled+0x48/0x280
[  391.039649]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.045193]  ? should_fail+0x22d/0xd01
[  391.049088]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.054194]  ? zap_class+0x640/0x640
[  391.057937]  ? __lock_is_held+0xb5/0x140
[  391.062008]  ? mark_held_locks+0x130/0x130
[  391.066298]  ? lock_release+0xa00/0xa00
[  391.070275]  ? perf_trace_sched_process_exec+0x860/0x860
[  391.075728]  ? xa_load+0x2ba/0x460
[  391.079273]  ? lock_downgrade+0x900/0x900
[  391.083428]  ? __might_sleep+0x95/0x190
[  391.087409]  __alloc_pages_nodemask+0xa80/0xde0
[  391.092089]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  391.097122]  ? __page_cache_alloc+0x191/0x5c0
[  391.101630]  ? xa_load+0x2e1/0x460
[  391.105186]  ? xa_clear_mark+0x40/0x40
[  391.109098]  ? zap_class+0x640/0x640
[  391.112851]  ? zap_class+0x640/0x640
[  391.116569]  ? zap_class+0x640/0x640
[  391.120283]  ? __do_page_cache_readahead+0x663/0x810
[  391.125393]  ? find_held_lock+0x36/0x1c0
[  391.129460]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  391.135030]  alloc_pages_current+0x173/0x350
[  391.139452]  __page_cache_alloc+0x38c/0x5c0
[  391.143774]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.148700]  ? kasan_check_read+0x11/0x20
[  391.152848]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.158125]  ? generic_perform_write+0x6a0/0x6a0
[  391.162886]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.168444]  ? check_preemption_disabled+0x48/0x280
[  391.173473]  filemap_fault+0x1595/0x25f0
[  391.177551]  ? __lock_page_or_retry+0xa00/0xa00
[  391.182229]  ? mark_held_locks+0x130/0x130
[  391.186471]  ? filemap_map_pages+0xd6b/0x1a20
[  391.190968]  ? lock_downgrade+0x900/0x900
[  391.195120]  ? check_preemption_disabled+0x48/0x280
[  391.200143]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.205076]  ? kasan_check_read+0x11/0x20
[  391.209224]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.214499]  ? rcu_softirq_qs+0x20/0x20
[  391.218489]  ? filemap_map_pages+0xd92/0x1a20
[  391.223003]  ? find_get_entries_tag+0x1400/0x1400
[  391.227859]  ? ep_scan_ready_list+0xbc7/0x1050
[  391.232444]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.237565]  ? lock_acquire+0x1ed/0x520
[  391.241539]  ? ext4_filemap_fault+0x7a/0xad
[  391.245867]  ? lock_release+0xa00/0xa00
[  391.249841]  ? perf_trace_sched_process_exec+0x860/0x860
[  391.255291]  ? print_usage_bug+0xc0/0xc0
[  391.259370]  ? print_usage_bug+0xc0/0xc0
[  391.263460]  ? down_read+0x8d/0x120
[  391.267089]  ? ext4_filemap_fault+0x7a/0xad
[  391.271414]  ? __down_interruptible+0x700/0x700
[  391.276094]  ext4_filemap_fault+0x82/0xad
[  391.280252]  __do_fault+0x100/0x6b0
[  391.283884]  ? pmd_devmap_trans_unstable+0x220/0x220
[  391.288993]  ? mark_held_locks+0x130/0x130
[  391.293238]  ? mark_held_locks+0x130/0x130
[  391.297483]  ? kasan_check_read+0x11/0x20
[  391.301632]  ? ep_poll+0xffa/0x13d0
[  391.305272]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.310385]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.315954]  __handle_mm_fault+0x3ea0/0x5be0
[  391.320387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.325951]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  391.330813]  ? do_epoll_create+0x590/0x590
[  391.335075]  ? kasan_check_read+0x11/0x20
[  391.339224]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.344499]  ? rcu_softirq_qs+0x20/0x20
[  391.348488]  ? zap_class+0x640/0x640
[  391.352204]  ? zap_class+0x640/0x640
[  391.355926]  ? find_held_lock+0x36/0x1c0
[  391.360053]  ? handle_mm_fault+0x42a/0xc70
[  391.364308]  ? lock_downgrade+0x900/0x900
[  391.368459]  ? check_preemption_disabled+0x48/0x280
[  391.373476]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.378435]  ? kasan_check_read+0x11/0x20
[  391.382583]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.387876]  ? rcu_softirq_qs+0x20/0x20
[  391.391848]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.396950]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.402494]  ? check_preemption_disabled+0x48/0x280
[  391.407523]  handle_mm_fault+0x54f/0xc70
[  391.411589]  ? __handle_mm_fault+0x5be0/0x5be0
[  391.416181]  ? find_vma+0x34/0x190
[  391.419730]  __do_page_fault+0x5e8/0xe60
[  391.423789]  ? trace_hardirqs_off+0xb8/0x310
[  391.428199]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  391.433745]  do_page_fault+0xf2/0x7e0
[  391.437552]  ? vmalloc_sync_all+0x30/0x30
[  391.441702]  ? error_entry+0x70/0xd0
[  391.445430]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.450447]  ? trace_hardirqs_on_caller+0xc0/0x310
[  391.455376]  ? syscall_return_slowpath+0x5e0/0x5e0
[  391.460319]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.465162]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.470215]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  391.475674]  ? prepare_exit_to_usermode+0x291/0x3b0
[  391.480688]  ? page_fault+0x8/0x30
[  391.484226]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.489071]  ? page_fault+0x8/0x30
[  391.492608]  page_fault+0x1e/0x30
[  391.496093] RIP: 0033:0x45df89
[  391.499312] Code: Bad RIP value.
[  391.502670] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  391.508035] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  391.515311] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  391.522576] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  391.529840] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  391.537106] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  391.544405] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  391.544469] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  391.551782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  391.551791] Call Trace:
[  391.558417] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  391.567610]  <IRQ>
[  391.570183] syz-fuzzer cpuset=/ mems_allowed=0
[  391.580419]  dump_stack+0x244/0x39d
[  391.590760]  ? dump_stack_print_info.cold.1+0x20/0x20
[  391.595967]  warn_alloc.cold.116+0xb7/0x1bd
[  391.600290]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  391.605142]  ? lock_downgrade+0x900/0x900
[  391.609301]  ? trace_hardirqs_off+0xb8/0x310
[  391.613720]  ? trace_hardirqs_off+0xb8/0x310
[  391.618139]  __alloc_pages_slowpath+0x26e8/0x2e10
[  391.623012]  ? warn_alloc+0x120/0x120
[  391.626822]  ? print_usage_bug+0xc0/0xc0
[  391.630887]  ? warn_alloc+0x120/0x120
[  391.634695]  ? warn_alloc+0x120/0x120
[  391.638497]  ? print_usage_bug+0xc0/0xc0
[  391.642584]  ? print_usage_bug+0xc0/0xc0
[  391.646689]  ? __lock_acquire+0x62f/0x4c20
[  391.650976]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.656513]  ? should_fail+0x22d/0xd01
[  391.660410]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.665532]  ? __lock_acquire+0x62f/0x4c20
[  391.669779]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.674879]  ? __lock_acquire+0x62f/0x4c20
[  391.679127]  ? should_fail+0x22d/0xd01
[  391.683039]  ? find_held_lock+0x36/0x1c0
[  391.687114]  ? mark_held_locks+0x130/0x130
[  391.691355]  ? mark_held_locks+0x130/0x130
[  391.695588]  ? zap_class+0x640/0x640
[  391.699309]  ? zap_class+0x640/0x640
[  391.703032]  ? print_usage_bug+0xc0/0xc0
[  391.707123]  ? do_raw_spin_unlock+0xa7/0x330
[  391.711529]  ? zap_class+0x640/0x640
[  391.715247]  ? print_usage_bug+0xc0/0xc0
[  391.719307]  ? wq_watchdog_touch+0x9c/0xfe
[  391.723550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.729107]  ? check_preemption_disabled+0x48/0x280
[  391.734146]  ? __lock_is_held+0xb5/0x140
[  391.738242]  __alloc_pages_nodemask+0xa80/0xde0
[  391.742911]  ? zap_class+0x640/0x640
[  391.746633]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  391.751659]  ? find_held_lock+0x36/0x1c0
[  391.755735]  ? ____cache_alloc_node+0x1c7/0x1e0
[  391.760412]  ? lock_downgrade+0x900/0x900
[  391.764570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.770116]  cache_grow_begin+0xa5/0x8c0
[  391.774191]  ? do_raw_spin_unlock+0xa7/0x330
[  391.778607]  fallback_alloc+0x204/0x2e0
[  391.782602]  ____cache_alloc_node+0x1c7/0x1e0
[  391.787108]  kmem_cache_alloc_node+0xe3/0x730
[  391.791609]  ? ipv6_get_ifaddr+0x42e/0x620
[  391.795858]  __alloc_skb+0x119/0x770
[  391.799576]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.804861]  ? netdev_alloc_frag+0x1f0/0x1f0
[  391.809287]  ? lock_downgrade+0x900/0x900
[  391.813451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.818990]  ? refcount_sub_and_test_checked+0x203/0x310
[  391.824452]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  391.829901]  ? addrconf_rs_timer+0x690/0x690
[  391.834338]  ndisc_alloc_skb+0x144/0x340
[  391.838412]  ndisc_send_rs+0x331/0x6e0
[  391.842311]  addrconf_rs_timer+0x314/0x690
[  391.846557]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.850804]  call_timer_fn+0x272/0x920
[  391.854706]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.858940]  ? process_timeout+0x40/0x40
[  391.863008]  ? __run_timers+0x7da/0xc70
[  391.866992]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.871493]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.875986]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.880227]  ? lockdep_hardirqs_on+0x296/0x5b0
[  391.884819]  ? trace_hardirqs_on+0xbd/0x310
[  391.889141]  ? kasan_check_read+0x11/0x20
[  391.893287]  ? __run_timers+0x7da/0xc70
[  391.897283]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.902394]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.906634]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.910872]  __run_timers+0x7e5/0xc70
[  391.914685]  ? timer_fixup_init+0x70/0x70
[  391.918838]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  391.923858]  ? zap_class+0x640/0x640
[  391.927578]  ? enqueue_hrtimer+0x1a5/0x560
[  391.931828]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  391.937037]  ? find_held_lock+0x36/0x1c0
[  391.941108]  ? zap_class+0x640/0x640
[  391.944827]  ? pvclock_read_flags+0x160/0x160
[  391.949329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.954880]  ? check_preemption_disabled+0x48/0x280
[  391.959923]  ? __lock_is_held+0xb5/0x140
[  391.963986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.969559]  ? check_preemption_disabled+0x48/0x280
[  391.974584]  run_timer_softirq+0x52/0xb0
[  391.978649]  ? rcu_read_lock_sched_held+0x14f/0x180
[  391.983678]  __do_softirq+0x308/0xb7e
[  391.987479]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  391.992010]  ? lock_downgrade+0x900/0x900
[  391.996177]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  392.001289]  ? pvclock_read_flags+0x160/0x160
[  392.005804]  ? lapic_next_event+0x5a/0x90
[  392.009956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.015534]  ? kvm_clock_read+0x18/0x30
[  392.019514]  ? kvm_sched_clock_read+0x9/0x20
[  392.023928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.029470]  ? check_preemption_disabled+0x48/0x280
[  392.034499]  irq_exit+0x17f/0x1c0
[  392.037972]  smp_apic_timer_interrupt+0x1cb/0x760
[  392.042829]  ? smp_reschedule_interrupt+0x109/0x650
[  392.047850]  ? smp_call_function_single_interrupt+0x650/0x650
[  392.053752]  ? interrupt_entry+0xb5/0xc0
[  392.057817]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.062831]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.067850]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.072695]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.077714]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.082742]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.087592]  apic_timer_interrupt+0xf/0x20
[  392.091823]  </IRQ>
[  392.094063] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  392.098996] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  392.117899] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  392.125606] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  392.132873] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  392.140142] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  392.147407] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  392.154705] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  392.162012]  skb_clone+0x1bb/0x500
[  392.165570]  ? finish_task_switch+0x2f4/0x910
[  392.170072]  ? skb_split+0x11e0/0x11e0
[  392.173961]  ? preempt_notifier_register+0x200/0x200
[  392.179089]  ? __switch_to_asm+0x34/0x70
[  392.183151]  ? __switch_to_asm+0x34/0x70
[  392.187226]  ? __switch_to_asm+0x40/0x70
[  392.191284]  ? __switch_to_asm+0x34/0x70
[  392.195341]  ? __switch_to_asm+0x40/0x70
[  392.199399]  ? __switch_to_asm+0x34/0x70
[  392.203458]  ? __switch_to_asm+0x40/0x70
[  392.207516]  ? __switch_to_asm+0x34/0x70
[  392.211608]  ? __switch_to_asm+0x34/0x70
[  392.215670]  ? __switch_to_asm+0x40/0x70
[  392.219727]  ? __switch_to_asm+0x34/0x70
[  392.223798]  bpf_clone_redirect+0xb9/0x490
[  392.228061]  ? __schedule+0x8d7/0x21d0
[  392.231954]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  392.236973]  ? __sched_text_start+0x8/0x8
[  392.241126]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  392.245725]  ? retint_kernel+0x2d/0x2d
[  392.249616]  ? trace_hardirqs_on_caller+0xc0/0x310
[  392.254594]  ? find_held_lock+0x36/0x1c0
[  392.258678]  ? lock_acquire+0x1ed/0x520
[  392.262652]  ? bpf_test_run+0x3cb/0x780
[  392.266628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.272168]  ? check_preemption_disabled+0x48/0x280
[  392.277191]  ? kasan_check_read+0x11/0x20
[  392.281343]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.286665]  ? rcu_softirq_qs+0x20/0x20
[  392.290647]  ? preempt_schedule+0x4d/0x60
[  392.294801]  ? ___preempt_schedule+0x16/0x18
[  392.299233]  ? bpf_test_run+0x25d/0x780
[  392.303225]  ? netlink_diag_dump+0x2a0/0x2a0
[  392.307670]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.313226]  ? bpf_test_init.isra.10+0x70/0x100
[  392.317902]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  392.322671]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  392.327516]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  392.333058]  ? fput+0x130/0x1a0
[  392.336340]  ? __bpf_prog_get+0x9b/0x290
[  392.340408]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  392.345265]  ? bpf_prog_test_run+0x130/0x1a0
[  392.349678]  ? __x64_sys_bpf+0x3d8/0x520
[  392.353758]  ? bpf_prog_get+0x20/0x20
[  392.357587]  ? do_syscall_64+0x1b9/0x820
[  392.361662]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  392.367038]  ? syscall_return_slowpath+0x5e0/0x5e0
[  392.371970]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.376815]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.381859]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  392.386894]  ? prepare_exit_to_usermode+0x291/0x3b0
[  392.391915]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.396782]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  392.402160] warn_alloc_show_mem: 1 callbacks suppressed
[  392.402171] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  392.402173] Mem-Info:
[  392.402204] active_anon:51179 inactive_anon:236 isolated_anon:0
[  392.402204]  active_file:17 inactive_file:9 isolated_file:0
[  392.402204]  unevictable:0 dirty:0 writeback:0 unstable:0
[  392.402204]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  392.402204]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  392.402204]  free:13694 free_pcp:258 free_cma:0
[  392.407538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  392.414567] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  392.416966] Call Trace:
[  392.449744] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  392.459130]  <IRQ>
[  392.486609] lowmem_reserve[]: 0 2818 6321 6321
[  392.489189]  dump_stack+0x244/0x39d
[  392.515290] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  392.517441]  ? dump_stack_print_info.cold.1+0x20/0x20
[  392.521999] lowmem_reserve[]: 0 0 3503 3503
[  392.525636]  warn_alloc.cold.116+0xb7/0x1bd
[  392.552842] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  392.558034]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  392.562328] lowmem_reserve[]: 0 0 0 0
[  392.566647]  ? lock_downgrade+0x900/0x900
[  392.595593] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  392.600433]  ? trace_hardirqs_off+0xb8/0x310
[  392.604207] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  392.608362]  ? trace_hardirqs_off+0xb8/0x310
[  392.622009] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  392.626454]  __alloc_pages_slowpath+0x26e8/0x2e10
[  392.641606] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  392.646054]  ? warn_alloc+0x120/0x120
[  392.660229] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  392.665064]  ? print_usage_bug+0xc0/0xc0
[  392.673877] 309 total pagecache pages
[  392.677668]  ? warn_alloc+0x120/0x120
[  392.686226] 0 pages in swap cache
[  392.690281]  ? warn_alloc+0x120/0x120
[  392.694071] Swap cache stats: add 0, delete 0, find 0/0
[  392.697859]  ? print_usage_bug+0xc0/0xc0
[  392.701304] Free swap  = 0kB
[  392.705099]  ? kvm_clock_read+0x18/0x30
[  392.710460] Total swap = 0kB
[  392.714517]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  392.717520] 1965979 pages RAM
[  392.721514]  ? print_usage_bug+0xc0/0xc0
[  392.724505] 0 pages HighMem/MovableOnly
[  392.729513]  ? __lock_acquire+0x62f/0x4c20
[  392.732593] 342853 pages reserved
[  392.736646]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.740592] 0 pages cma reserved
[  392.744918]  ? should_fail+0x22d/0xd01
[  392.748413] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  392.753880]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.753896]  ? __lock_acquire+0x62f/0x4c20
[  392.753914]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.757454] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  392.761144]  ? __lock_acquire+0x62f/0x4c20
[  392.767611] syz-executor2 cpuset=syz2 mems_allowed=0
[  392.772721]  ? should_fail+0x22d/0xd01
[  392.805786]  ? mark_held_locks+0x130/0x130
[  392.810051]  ? mark_held_locks+0x130/0x130
[  392.814294]  ? mark_held_locks+0xc7/0x130
[  392.818474]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  392.823503]  ? zap_class+0x640/0x640
[  392.827218]  ? print_usage_bug+0xc0/0xc0
[  392.831288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.836830]  ? check_preemption_disabled+0x48/0x280
[  392.841906]  ? __lock_is_held+0xb5/0x140
[  392.845993]  __alloc_pages_nodemask+0xa80/0xde0
[  392.850688]  ? zap_class+0x640/0x640
[  392.854422]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  392.859460]  ? find_held_lock+0x36/0x1c0
[  392.863527]  ? ____cache_alloc_node+0x1c7/0x1e0
[  392.868195]  ? lock_downgrade+0x900/0x900
[  392.872351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.877893]  cache_grow_begin+0xa5/0x8c0
[  392.881955]  ? do_raw_spin_unlock+0xa7/0x330
[  392.886374]  fallback_alloc+0x204/0x2e0
[  392.890372]  ____cache_alloc_node+0x1c7/0x1e0
[  392.894883]  kmem_cache_alloc_node+0xe3/0x730
[  392.899386]  ? ipv6_get_ifaddr+0x42e/0x620
[  392.903637]  __alloc_skb+0x119/0x770
[  392.907367]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.912671]  ? netdev_alloc_frag+0x1f0/0x1f0
[  392.917078]  ? lock_downgrade+0x900/0x900
[  392.921232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.926785]  ? refcount_sub_and_test_checked+0x203/0x310
[  392.932242]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  392.937710]  ? addrconf_rs_timer+0x690/0x690
[  392.942136]  ndisc_alloc_skb+0x144/0x340
[  392.946205]  ndisc_send_rs+0x331/0x6e0
[  392.950115]  addrconf_rs_timer+0x314/0x690
[  392.954359]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.958622]  call_timer_fn+0x272/0x920
[  392.962509]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.966744]  ? process_timeout+0x40/0x40
[  392.970832]  ? mark_held_locks+0xc7/0x130
[  392.974993]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.979512]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.984005]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.988271]  ? lockdep_hardirqs_on+0x296/0x5b0
[  392.992852]  ? trace_hardirqs_on+0xbd/0x310
[  392.997176]  ? kasan_check_read+0x11/0x20
[  393.001322]  ? __run_timers+0x7da/0xc70
[  393.005300]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.010416]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.014650]  __run_timers+0x7e5/0xc70
[  393.018460]  ? timer_fixup_init+0x70/0x70
[  393.022615]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  393.027632]  ? zap_class+0x640/0x640
[  393.031351]  ? print_usage_bug+0xc0/0xc0
[  393.035416]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  393.040617]  ? find_held_lock+0x36/0x1c0
[  393.044688]  ? zap_class+0x640/0x640
[  393.048410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.053948]  ? check_preemption_disabled+0x48/0x280
[  393.058975]  ? __lock_is_held+0xb5/0x140
[  393.063047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.068583]  ? check_preemption_disabled+0x48/0x280
[  393.073608]  run_timer_softirq+0x52/0xb0
[  393.077673]  ? rcu_read_lock_sched_held+0x14f/0x180
[  393.082690]  __do_softirq+0x308/0xb7e
[  393.086496]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  393.090994]  ? lock_downgrade+0x900/0x900
[  393.095158]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  393.100279]  ? pvclock_read_flags+0x160/0x160
[  393.104791]  ? lapic_next_event+0x5a/0x90
[  393.108942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.114495]  ? kvm_clock_read+0x18/0x30
[  393.118472]  ? kvm_sched_clock_read+0x9/0x20
[  393.122886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.128425]  ? check_preemption_disabled+0x48/0x280
[  393.133451]  irq_exit+0x17f/0x1c0
[  393.136906]  smp_apic_timer_interrupt+0x1cb/0x760
[  393.141759]  ? smp_reschedule_interrupt+0x109/0x650
[  393.146776]  ? smp_call_function_single_interrupt+0x650/0x650
[  393.152677]  ? interrupt_entry+0xb5/0xc0
[  393.156761]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.161777]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.166793]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.171636]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.176650]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.181664]  ? task_prio+0x50/0x50
[  393.185203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.190739]  ? check_preemption_disabled+0x48/0x280
[  393.195761]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.200610]  apic_timer_interrupt+0xf/0x20
[  393.204837]  </IRQ>
[  393.207078] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  393.212268] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  393.231184] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  393.238920] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  393.246191] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  393.253488] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  393.260751] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  393.268014] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  393.275324]  retint_kernel+0x1b/0x2d
[  393.279050] RIP: 0010:dump_stack+0x358/0x39d
[  393.283457] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  393.302358] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  393.310078] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  393.317343] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  393.324610] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  393.331877] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  393.339150] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  393.346438]  ? dump_stack+0x34f/0x39d
[  393.350255]  ? dump_stack_print_info.cold.1+0x20/0x20
[  393.355489]  ? mark_held_locks+0x130/0x130
[  393.359741]  ? mark_held_locks+0x130/0x130
[  393.363996]  dump_header+0x27b/0xf72
[  393.367724]  ? pagefault_out_of_memory+0x197/0x197
[  393.372694]  ? __lock_acquire+0x62f/0x4c20
[  393.376931]  ? percpu_ref_get_many+0x240/0x240
[  393.381519]  ? print_usage_bug+0xc0/0xc0
[  393.385589]  ? zap_class+0x640/0x640
[  393.389305]  ? print_usage_bug+0xc0/0xc0
[  393.393367]  ? print_usage_bug+0xc0/0xc0
[  393.397459]  ? zap_class+0x640/0x640
[  393.401181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.406724]  ? find_held_lock+0x36/0x1c0
[  393.410794]  ? mark_held_locks+0xc7/0x130
[  393.414946]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  393.420060]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  393.425174]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  393.429764]  ? trace_hardirqs_on+0xbd/0x310
[  393.434085]  ? kasan_check_read+0x11/0x20
[  393.438234]  ? ___ratelimit+0x3b4/0x672
[  393.442210]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.447315]  ? trace_hardirqs_on+0x310/0x310
[  393.451724]  ? lock_downgrade+0x900/0x900
[  393.455877]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  393.460990]  ? ___ratelimit+0x3b9/0x672
[  393.464974]  ? idr_get_free+0xf70/0xf70
[  393.468954]  ? find_held_lock+0x36/0x1c0
[  393.473050]  oom_kill_process.cold.27+0x10/0x903
[  393.477819]  ? zap_class+0x640/0x640
[  393.481539]  ? check_preemption_disabled+0x48/0x280
[  393.486576]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  393.491510]  ? kasan_check_read+0x11/0x20
[  393.495658]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.500939]  ? oom_evaluate_task+0x540/0x540
[  393.505352]  ? find_held_lock+0x36/0x1c0
[  393.509424]  ? out_of_memory+0x974/0x1430
[  393.513579]  ? lock_downgrade+0x900/0x900
[  393.517731]  ? check_preemption_disabled+0x48/0x280
[  393.522751]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  393.527695]  ? kasan_check_read+0x11/0x20
[  393.531842]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.537120]  ? rcu_softirq_qs+0x20/0x20
[  393.541104]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.546646]  ? oom_evaluate_task+0x302/0x540
[  393.551067]  out_of_memory+0xa84/0x1430
[  393.555069]  ? oom_killer_disable+0x3a0/0x3a0
[  393.559566]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  393.564514]  ? __ww_mutex_check_waiters+0x160/0x160
[  393.569536]  __alloc_pages_slowpath+0x2354/0x2e10
[  393.574408]  ? warn_alloc+0x120/0x120
[  393.578212]  ? mark_held_locks+0x130/0x130
[  393.582455]  ? find_get_entry+0xaae/0x1120
[  393.586698]  ? filemap_map_pages+0x1a20/0x1a20
[  393.591288]  ? zap_class+0x640/0x640
[  393.595010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.600566]  ? check_preemption_disabled+0x48/0x280
[  393.605586]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.611126]  ? should_fail+0x22d/0xd01
[  393.615026]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.620134]  ? zap_class+0x640/0x640
[  393.623878]  ? __lock_is_held+0xb5/0x140
[  393.627978]  ? mark_held_locks+0x130/0x130
[  393.632214]  ? lock_release+0xa00/0xa00
[  393.636190]  ? perf_trace_sched_process_exec+0x860/0x860
[  393.641647]  ? xa_load+0x2ba/0x460
[  393.645194]  ? lock_downgrade+0x900/0x900
[  393.649351]  ? __might_sleep+0x95/0x190
[  393.653329]  __alloc_pages_nodemask+0xa80/0xde0
[  393.658008]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  393.663055]  ? __page_cache_alloc+0x191/0x5c0
[  393.667550]  ? xa_load+0x2e1/0x460
[  393.671107]  ? xa_clear_mark+0x40/0x40
[  393.674994]  ? zap_class+0x640/0x640
[  393.678724]  ? zap_class+0x640/0x640
[  393.682439]  ? zap_class+0x640/0x640
[  393.686155]  ? __do_page_cache_readahead+0x663/0x810
[  393.691264]  ? find_held_lock+0x36/0x1c0
[  393.695332]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  393.700878]  alloc_pages_current+0x173/0x350
[  393.705295]  __page_cache_alloc+0x38c/0x5c0
[  393.709614]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  393.714540]  ? kasan_check_read+0x11/0x20
[  393.718690]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.723974]  ? generic_perform_write+0x6a0/0x6a0
[  393.728733]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.734290]  ? check_preemption_disabled+0x48/0x280
[  393.739333]  filemap_fault+0x1595/0x25f0
[  393.743410]  ? __lock_page_or_retry+0xa00/0xa00
[  393.748081]  ? mark_held_locks+0x130/0x130
[  393.752327]  ? filemap_map_pages+0xd6b/0x1a20
[  393.756842]  ? lock_downgrade+0x900/0x900
[  393.760991]  ? check_preemption_disabled+0x48/0x280
[  393.766042]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  393.771000]  ? kasan_check_read+0x11/0x20
[  393.775162]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.780438]  ? rcu_softirq_qs+0x20/0x20
[  393.784428]  ? filemap_map_pages+0xd92/0x1a20
[  393.788940]  ? find_get_entries_tag+0x1400/0x1400
[  393.793815]  ? ep_scan_ready_list+0xbc7/0x1050
[  393.798426]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.803573]  ? lock_acquire+0x1ed/0x520
[  393.807548]  ? ext4_filemap_fault+0x7a/0xad
[  393.811888]  ? lock_release+0xa00/0xa00
[  393.815858]  ? perf_trace_sched_process_exec+0x860/0x860
[  393.821309]  ? print_usage_bug+0xc0/0xc0
[  393.825371]  ? print_usage_bug+0xc0/0xc0
[  393.829442]  ? down_read+0x8d/0x120
[  393.833074]  ? ext4_filemap_fault+0x7a/0xad
[  393.837399]  ? __down_interruptible+0x700/0x700
[  393.842082]  ext4_filemap_fault+0x82/0xad
[  393.846235]  __do_fault+0x100/0x6b0
[  393.849864]  ? pmd_devmap_trans_unstable+0x220/0x220
[  393.854973]  ? mark_held_locks+0x130/0x130
[  393.859215]  ? mark_held_locks+0x130/0x130
[  393.863450]  ? kasan_check_read+0x11/0x20
[  393.867596]  ? ep_poll+0xffa/0x13d0
[  393.871244]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.876353]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.881897]  __handle_mm_fault+0x3ea0/0x5be0
[  393.886305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.891849]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  393.896696]  ? do_epoll_create+0x590/0x590
[  393.900928]  ? kasan_check_read+0x11/0x20
[  393.905073]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.910351]  ? rcu_softirq_qs+0x20/0x20
[  393.914342]  ? zap_class+0x640/0x640
[  393.918060]  ? zap_class+0x640/0x640
[  393.921782]  ? find_held_lock+0x36/0x1c0
[  393.925854]  ? handle_mm_fault+0x42a/0xc70
[  393.930091]  ? lock_downgrade+0x900/0x900
[  393.934240]  ? check_preemption_disabled+0x48/0x280
[  393.939275]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  393.944203]  ? kasan_check_read+0x11/0x20
[  393.948349]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.953628]  ? rcu_softirq_qs+0x20/0x20
[  393.957603]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.962722]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.968261]  ? check_preemption_disabled+0x48/0x280
[  393.973298]  handle_mm_fault+0x54f/0xc70
[  393.977396]  ? __handle_mm_fault+0x5be0/0x5be0
[  393.982000]  ? find_vma+0x34/0x190
[  393.985557]  __do_page_fault+0x5e8/0xe60
[  393.989620]  ? trace_hardirqs_off+0xb8/0x310
[  393.994032]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  393.999583]  do_page_fault+0xf2/0x7e0
[  394.003385]  ? vmalloc_sync_all+0x30/0x30
[  394.007535]  ? error_entry+0x70/0xd0
[  394.011253]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.016269]  ? trace_hardirqs_on_caller+0xc0/0x310
[  394.021214]  ? syscall_return_slowpath+0x5e0/0x5e0
[  394.026161]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.031059]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.036092]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  394.041561]  ? prepare_exit_to_usermode+0x291/0x3b0
[  394.046577]  ? page_fault+0x8/0x30
[  394.050125]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.054970]  ? page_fault+0x8/0x30
[  394.058509]  page_fault+0x1e/0x30
[  394.061958] RIP: 0033:0x45df89
[  394.065159] Code: Bad RIP value.
[  394.068520] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  394.073880] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  394.081166] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  394.088447] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  394.095716] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  394.102983] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  394.110283] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  394.110362] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  394.117657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  394.117662] Call Trace:
[  394.117668]  <IRQ>
[  394.117686]  dump_stack+0x244/0x39d
[  394.117704]  ? dump_stack_print_info.cold.1+0x20/0x20
[  394.124288] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  394.133565]  warn_alloc.cold.116+0xb7/0x1bd
[  394.136118] syz-fuzzer cpuset=/ mems_allowed=0
[  394.138261]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  394.170979]  ? lock_downgrade+0x900/0x900
[  394.175137]  ? trace_hardirqs_off+0xb8/0x310
[  394.179563]  ? trace_hardirqs_off+0xb8/0x310
[  394.183983]  __alloc_pages_slowpath+0x26e8/0x2e10
[  394.188865]  ? warn_alloc+0x120/0x120
[  394.192673]  ? warn_alloc+0x120/0x120
[  394.196483]  ? warn_alloc+0x120/0x120
[  394.200460]  ? print_usage_bug+0xc0/0xc0
[  394.204525]  ? __lock_acquire+0x62f/0x4c20
[  394.208767]  ? print_usage_bug+0xc0/0xc0
[  394.212830]  ? __lock_acquire+0x62f/0x4c20
[  394.217072]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.222615]  ? should_fail+0x22d/0xd01
[  394.226503]  ? __lock_acquire+0x62f/0x4c20
[  394.230736]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.235845]  ? __lock_acquire+0x62f/0x4c20
[  394.240109]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.245212]  ? __lock_acquire+0x62f/0x4c20
[  394.249442]  ? should_fail+0x22d/0xd01
[  394.253338]  ? mark_held_locks+0x130/0x130
[  394.257593]  ? mark_held_locks+0x130/0x130
[  394.261845]  ? try_to_wake_up+0x11c/0x1490
[  394.266081]  ? lock_downgrade+0x900/0x900
[  394.270237]  ? zap_class+0x640/0x640
[  394.273953]  ? print_usage_bug+0xc0/0xc0
[  394.278012]  ? trace_hardirqs_off+0xb8/0x310
[  394.282432]  ? kasan_check_read+0x11/0x20
[  394.286585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.292137]  ? check_preemption_disabled+0x48/0x280
[  394.297163]  ? __lock_is_held+0xb5/0x140
[  394.301246]  __alloc_pages_nodemask+0xa80/0xde0
[  394.305914]  ? zap_class+0x640/0x640
[  394.309633]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  394.314660]  ? find_held_lock+0x36/0x1c0
[  394.318730]  ? ____cache_alloc_node+0x1c7/0x1e0
[  394.323400]  ? lock_downgrade+0x900/0x900
[  394.327591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.333134]  cache_grow_begin+0xa5/0x8c0
[  394.337212]  ? do_raw_spin_unlock+0xa7/0x330
[  394.341628]  fallback_alloc+0x204/0x2e0
[  394.345609]  ____cache_alloc_node+0x1c7/0x1e0
[  394.350113]  kmem_cache_alloc_node+0xe3/0x730
[  394.354608]  ? ipv6_get_ifaddr+0x42e/0x620
[  394.358867]  __alloc_skb+0x119/0x770
[  394.362582]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.367863]  ? netdev_alloc_frag+0x1f0/0x1f0
[  394.372273]  ? lock_downgrade+0x900/0x900
[  394.376426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.381963]  ? refcount_sub_and_test_checked+0x203/0x310
[  394.387431]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  394.392882]  ? addrconf_rs_timer+0x690/0x690
[  394.397306]  ndisc_alloc_skb+0x144/0x340
[  394.401376]  ndisc_send_rs+0x331/0x6e0
[  394.405269]  addrconf_rs_timer+0x314/0x690
[  394.409527]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.413806]  call_timer_fn+0x272/0x920
[  394.417708]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.421958]  ? process_timeout+0x40/0x40
[  394.426037]  ? __run_timers+0x7da/0xc70
[  394.430047]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.434561]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.439074]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.443309]  ? lockdep_hardirqs_on+0x296/0x5b0
[  394.447895]  ? trace_hardirqs_on+0xbd/0x310
[  394.452247]  ? kasan_check_read+0x11/0x20
[  394.456390]  ? __run_timers+0x7da/0xc70
[  394.460363]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.465485]  ? __queue_work+0x1440/0x1440
[  394.469653]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.473884]  __run_timers+0x7e5/0xc70
[  394.477710]  ? timer_fixup_init+0x70/0x70
[  394.481856]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  394.486886]  ? zap_class+0x640/0x640
[  394.490610]  ? enqueue_hrtimer+0x1a5/0x560
[  394.494857]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  394.500076]  ? find_held_lock+0x36/0x1c0
[  394.504143]  ? zap_class+0x640/0x640
[  394.507905]  ? pvclock_read_flags+0x160/0x160
[  394.512403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.517946]  ? check_preemption_disabled+0x48/0x280
[  394.522992]  ? __lock_is_held+0xb5/0x140
[  394.527073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.532613]  ? check_preemption_disabled+0x48/0x280
[  394.537644]  run_timer_softirq+0x52/0xb0
[  394.541706]  ? rcu_read_lock_sched_held+0x14f/0x180
[  394.546723]  __do_softirq+0x308/0xb7e
[  394.550529]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  394.555072]  ? lock_downgrade+0x900/0x900
[  394.559259]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  394.564383]  ? pvclock_read_flags+0x160/0x160
[  394.568883]  ? lapic_next_event+0x5a/0x90
[  394.573055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.578645]  ? kvm_clock_read+0x18/0x30
[  394.582624]  ? kvm_sched_clock_read+0x9/0x20
[  394.587044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.592584]  ? check_preemption_disabled+0x48/0x280
[  394.597614]  irq_exit+0x17f/0x1c0
[  394.601087]  smp_apic_timer_interrupt+0x1cb/0x760
[  394.605944]  ? smp_reschedule_interrupt+0x109/0x650
[  394.611111]  ? smp_call_function_single_interrupt+0x650/0x650
[  394.617012]  ? interrupt_entry+0xb5/0xc0
[  394.621112]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.626126]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.631160]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.636004]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.641039]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.646070]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.650927]  apic_timer_interrupt+0xf/0x20
[  394.655158]  </IRQ>
[  394.657399] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  394.662345] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  394.681242] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  394.688951] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  394.696217] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  394.703484] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  394.710749] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  394.718024] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  394.725339]  skb_clone+0x1bb/0x500
[  394.728899]  ? finish_task_switch+0x2f4/0x910
[  394.733397]  ? skb_split+0x11e0/0x11e0
[  394.737301]  ? preempt_notifier_register+0x200/0x200
[  394.742884]  ? __switch_to_asm+0x34/0x70
[  394.746946]  ? __switch_to_asm+0x34/0x70
[  394.751025]  ? __switch_to_asm+0x40/0x70
[  394.755082]  ? __switch_to_asm+0x34/0x70
[  394.759141]  ? __switch_to_asm+0x40/0x70
[  394.763199]  ? __switch_to_asm+0x34/0x70
[  394.767259]  ? __switch_to_asm+0x40/0x70
[  394.771317]  ? __switch_to_asm+0x34/0x70
[  394.775377]  ? __switch_to_asm+0x34/0x70
[  394.779449]  ? __switch_to_asm+0x40/0x70
[  394.783507]  ? __switch_to_asm+0x34/0x70
[  394.787579]  bpf_clone_redirect+0xb9/0x490
[  394.791820]  ? __schedule+0x8d7/0x21d0
[  394.795717]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  394.800738]  ? __sched_text_start+0x8/0x8
[  394.804914]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  394.809496]  ? retint_kernel+0x2d/0x2d
[  394.813396]  ? trace_hardirqs_on_caller+0xc0/0x310
[  394.818355]  ? find_held_lock+0x36/0x1c0
[  394.822423]  ? lock_acquire+0x1ed/0x520
[  394.826401]  ? bpf_test_run+0x3cb/0x780
[  394.830380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.835927]  ? check_preemption_disabled+0x48/0x280
[  394.840950]  ? kasan_check_read+0x11/0x20
[  394.845103]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.850384]  ? rcu_softirq_qs+0x20/0x20
[  394.854361]  ? preempt_schedule+0x4d/0x60
[  394.858509]  ? ___preempt_schedule+0x16/0x18
[  394.862932]  ? bpf_test_run+0x25d/0x780
[  394.866939]  ? netlink_diag_dump+0x2a0/0x2a0
[  394.871352]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.876891]  ? bpf_test_init.isra.10+0x70/0x100
[  394.881570]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  394.886339]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  394.891213]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  394.896766]  ? fput+0x130/0x1a0
[  394.900051]  ? __bpf_prog_get+0x9b/0x290
[  394.904121]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  394.908980]  ? bpf_prog_test_run+0x130/0x1a0
[  394.913408]  ? __x64_sys_bpf+0x3d8/0x520
[  394.917473]  ? bpf_prog_get+0x20/0x20
[  394.921298]  ? do_syscall_64+0x1b9/0x820
[  394.925358]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  394.930723]  ? syscall_return_slowpath+0x5e0/0x5e0
[  394.935653]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.940499]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.945522]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  394.950549]  ? prepare_exit_to_usermode+0x291/0x3b0
[  394.955577]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.960424]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  394.965820] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  394.965841] warn_alloc_show_mem: 1 callbacks suppressed
[  394.965848] Mem-Info:
[  394.972875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  394.978242] active_anon:51179 inactive_anon:236 isolated_anon:0
[  394.978242]  active_file:17 inactive_file:9 isolated_file:0
[  394.978242]  unevictable:0 dirty:0 writeback:0 unstable:0
[  394.978242]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  394.978242]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  394.978242]  free:13694 free_pcp:258 free_cma:0
[  394.980613] Call Trace:
[  394.990086] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  395.022897]  <IRQ>
[  395.025471] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  395.052964]  dump_stack+0x244/0x39d
[  395.055091] lowmem_reserve[]: 0 2818 6321 6321
[  395.081195]  ? dump_stack_print_info.cold.1+0x20/0x20
[  395.084824] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  395.089420]  warn_alloc.cold.116+0xb7/0x1bd
[  395.094574] lowmem_reserve[]: 0 0 3503 3503
[  395.121720]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  395.126024] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  395.130346]  ? lock_downgrade+0x900/0x900
[  395.135164] lowmem_reserve[]: 0 0 0 0
[  395.164165]  ? trace_hardirqs_off+0xb8/0x310
[  395.168282] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  395.172089]  ? trace_hardirqs_off+0xb8/0x310
[  395.176476] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  395.189997]  __alloc_pages_slowpath+0x26e8/0x2e10
[  395.194376] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  395.209564]  ? warn_alloc+0x120/0x120
[  395.214422] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  395.228643]  ? print_usage_bug+0xc0/0xc0
[  395.232424] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  395.241249]  ? warn_alloc+0x120/0x120
[  395.245285] 309 total pagecache pages
[  395.253856]  ? warn_alloc+0x120/0x120
[  395.257633] 0 pages in swap cache
[  395.261439]  ? print_usage_bug+0xc0/0xc0
[  395.265235] Swap cache stats: add 0, delete 0, find 0/0
[  395.268681]  ? kvm_clock_read+0x18/0x30
[  395.272719] Free swap  = 0kB
[  395.278079]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  395.282034] Total swap = 0kB
[  395.285055]  ? print_usage_bug+0xc0/0xc0
[  395.290045] 1965979 pages RAM
[  395.290054] 0 pages HighMem/MovableOnly
[  395.293092]  ? __lock_acquire+0x62f/0x4c20
[  395.297129] 342853 pages reserved
[  395.300244]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.304194] 0 pages cma reserved
[  395.308439]  ? should_fail+0x22d/0xd01
[  395.311934] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  395.317392]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.317410]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.317426]  ? __lock_acquire+0x62f/0x4c20
[  395.317445]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.320863] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  395.324702]  ? __lock_acquire+0x62f/0x4c20
[  395.331173] syz-executor2 cpuset=syz2 mems_allowed=0
[  395.336441]  ? should_fail+0x22d/0xd01
[  395.374519]  ? rcu_irq_exit+0x1a2/0x390
[  395.378508]  ? mark_held_locks+0x130/0x130
[  395.382754]  ? mark_held_locks+0x130/0x130
[  395.387030]  ? mark_held_locks+0xc7/0x130
[  395.391184]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  395.396207]  ? zap_class+0x640/0x640
[  395.399924]  ? print_usage_bug+0xc0/0xc0
[  395.403991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.409536]  ? check_preemption_disabled+0x48/0x280
[  395.414575]  ? __lock_is_held+0xb5/0x140
[  395.418673]  __alloc_pages_nodemask+0xa80/0xde0
[  395.423342]  ? zap_class+0x640/0x640
[  395.427076]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  395.432121]  ? find_held_lock+0x36/0x1c0
[  395.436200]  ? ____cache_alloc_node+0x1c7/0x1e0
[  395.440871]  ? lock_downgrade+0x900/0x900
[  395.445035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.450586]  cache_grow_begin+0xa5/0x8c0
[  395.454745]  ? do_raw_spin_unlock+0xa7/0x330
[  395.459163]  fallback_alloc+0x204/0x2e0
[  395.463144]  ____cache_alloc_node+0x1c7/0x1e0
[  395.467651]  kmem_cache_alloc_node+0xe3/0x730
[  395.472163]  ? ipv6_get_ifaddr+0x42e/0x620
[  395.476445]  __alloc_skb+0x119/0x770
[  395.480160]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.485443]  ? netdev_alloc_frag+0x1f0/0x1f0
[  395.489854]  ? lock_downgrade+0x900/0x900
[  395.494035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.499614]  ? refcount_sub_and_test_checked+0x203/0x310
[  395.505074]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  395.510604]  ? addrconf_rs_timer+0x690/0x690
[  395.515035]  ndisc_alloc_skb+0x144/0x340
[  395.519113]  ndisc_send_rs+0x331/0x6e0
[  395.523005]  addrconf_rs_timer+0x314/0x690
[  395.527259]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.531514]  call_timer_fn+0x272/0x920
[  395.535432]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.539687]  ? process_timeout+0x40/0x40
[  395.543772]  ? mark_held_locks+0xc7/0x130
[  395.547922]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.552421]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.556916]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.561157]  ? lockdep_hardirqs_on+0x296/0x5b0
[  395.565742]  ? trace_hardirqs_on+0xbd/0x310
[  395.570080]  ? kasan_check_read+0x11/0x20
[  395.574231]  ? __run_timers+0x7da/0xc70
[  395.578227]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.583338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.587613]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.591847]  __run_timers+0x7e5/0xc70
[  395.595661]  ? timer_fixup_init+0x70/0x70
[  395.599811]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  395.604830]  ? zap_class+0x640/0x640
[  395.608549]  ? print_usage_bug+0xc0/0xc0
[  395.612614]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  395.617811]  ? find_held_lock+0x36/0x1c0
[  395.621878]  ? zap_class+0x640/0x640
[  395.625596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.631141]  ? check_preemption_disabled+0x48/0x280
[  395.636171]  ? __lock_is_held+0xb5/0x140
[  395.640234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.645775]  ? check_preemption_disabled+0x48/0x280
[  395.650807]  run_timer_softirq+0x52/0xb0
[  395.654880]  ? rcu_read_lock_sched_held+0x14f/0x180
[  395.659912]  __do_softirq+0x308/0xb7e
[  395.663731]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  395.668241]  ? lock_downgrade+0x900/0x900
[  395.672407]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  395.677521]  ? pvclock_read_flags+0x160/0x160
[  395.682024]  ? lapic_next_event+0x5a/0x90
[  395.686194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.691738]  ? kvm_clock_read+0x18/0x30
[  395.695712]  ? kvm_sched_clock_read+0x9/0x20
[  395.700123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.705663]  ? check_preemption_disabled+0x48/0x280
[  395.710690]  irq_exit+0x17f/0x1c0
[  395.714145]  smp_apic_timer_interrupt+0x1cb/0x760
[  395.718999]  ? smp_reschedule_interrupt+0x109/0x650
[  395.724056]  ? smp_call_function_single_interrupt+0x650/0x650
[  395.729942]  ? interrupt_entry+0xb5/0xc0
[  395.734004]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.739059]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.744078]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.748922]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.753939]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.758959]  ? task_prio+0x50/0x50
[  395.762505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.768055]  ? check_preemption_disabled+0x48/0x280
[  395.773095]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.777945]  apic_timer_interrupt+0xf/0x20
[  395.782172]  </IRQ>
[  395.784416] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  395.789635] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  395.808536] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  395.816246] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  395.823517] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  395.830782] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  395.838077] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  395.845375] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  395.852685]  retint_kernel+0x1b/0x2d
[  395.856403] RIP: 0010:dump_stack+0x358/0x39d
[  395.860813] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  395.879736] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  395.887453] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  395.894732] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  395.901996] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  395.909270] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  395.916541] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  395.923827]  ? dump_stack+0x34f/0x39d
[  395.927644]  ? dump_stack_print_info.cold.1+0x20/0x20
[  395.932875]  ? mark_held_locks+0x130/0x130
[  395.937110]  ? mark_held_locks+0x130/0x130
[  395.941351]  dump_header+0x27b/0xf72
[  395.945081]  ? pagefault_out_of_memory+0x197/0x197
[  395.950028]  ? __lock_acquire+0x62f/0x4c20
[  395.954297]  ? percpu_ref_get_many+0x240/0x240
[  395.958880]  ? print_usage_bug+0xc0/0xc0
[  395.962947]  ? zap_class+0x640/0x640
[  395.966666]  ? print_usage_bug+0xc0/0xc0
[  395.970723]  ? print_usage_bug+0xc0/0xc0
[  395.974800]  ? zap_class+0x640/0x640
[  395.978519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.984065]  ? find_held_lock+0x36/0x1c0
[  395.988150]  ? mark_held_locks+0xc7/0x130
[  395.992310]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  395.997417]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  396.002525]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  396.007109]  ? trace_hardirqs_on+0xbd/0x310
[  396.011429]  ? kasan_check_read+0x11/0x20
[  396.015575]  ? ___ratelimit+0x3b4/0x672
[  396.019546]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.024681]  ? trace_hardirqs_on+0x310/0x310
[  396.029089]  ? lock_downgrade+0x900/0x900
[  396.033241]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  396.038354]  ? ___ratelimit+0x3b9/0x672
[  396.042330]  ? idr_get_free+0xf70/0xf70
[  396.046318]  ? find_held_lock+0x36/0x1c0
[  396.050391]  oom_kill_process.cold.27+0x10/0x903
[  396.055146]  ? zap_class+0x640/0x640
[  396.058862]  ? check_preemption_disabled+0x48/0x280
[  396.063885]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.069382]  ? kasan_check_read+0x11/0x20
[  396.073556]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.078836]  ? oom_evaluate_task+0x540/0x540
[  396.083249]  ? find_held_lock+0x36/0x1c0
[  396.087319]  ? out_of_memory+0x974/0x1430
[  396.091508]  ? lock_downgrade+0x900/0x900
[  396.096003]  ? check_preemption_disabled+0x48/0x280
[  396.101062]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.106010]  ? kasan_check_read+0x11/0x20
[  396.110181]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.115457]  ? rcu_softirq_qs+0x20/0x20
[  396.119436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.124973]  ? oom_evaluate_task+0x302/0x540
[  396.129386]  out_of_memory+0xa84/0x1430
[  396.133370]  ? oom_killer_disable+0x3a0/0x3a0
[  396.137869]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  396.142808]  ? __ww_mutex_check_waiters+0x160/0x160
[  396.147832]  __alloc_pages_slowpath+0x2354/0x2e10
[  396.152701]  ? warn_alloc+0x120/0x120
[  396.156539]  ? mark_held_locks+0x130/0x130
[  396.160779]  ? find_get_entry+0xaae/0x1120
[  396.165049]  ? filemap_map_pages+0x1a20/0x1a20
[  396.169638]  ? zap_class+0x640/0x640
[  396.173358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.178903]  ? check_preemption_disabled+0x48/0x280
[  396.183934]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.189471]  ? should_fail+0x22d/0xd01
[  396.193384]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.198502]  ? zap_class+0x640/0x640
[  396.202244]  ? __lock_is_held+0xb5/0x140
[  396.206312]  ? mark_held_locks+0x130/0x130
[  396.210583]  ? lock_release+0xa00/0xa00
[  396.214573]  ? perf_trace_sched_process_exec+0x860/0x860
[  396.220029]  ? xa_load+0x2ba/0x460
[  396.223574]  ? lock_downgrade+0x900/0x900
[  396.227743]  ? __might_sleep+0x95/0x190
[  396.231727]  __alloc_pages_nodemask+0xa80/0xde0
[  396.236405]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  396.241454]  ? __page_cache_alloc+0x191/0x5c0
[  396.246004]  ? xa_load+0x2e1/0x460
[  396.249560]  ? xa_clear_mark+0x40/0x40
[  396.253453]  ? zap_class+0x640/0x640
[  396.257179]  ? zap_class+0x640/0x640
[  396.260893]  ? zap_class+0x640/0x640
[  396.264607]  ? __do_page_cache_readahead+0x663/0x810
[  396.269718]  ? find_held_lock+0x36/0x1c0
[  396.273786]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  396.279330]  alloc_pages_current+0x173/0x350
[  396.283747]  __page_cache_alloc+0x38c/0x5c0
[  396.288098]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.293033]  ? kasan_check_read+0x11/0x20
[  396.297186]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.302466]  ? generic_perform_write+0x6a0/0x6a0
[  396.307224]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.312766]  ? check_preemption_disabled+0x48/0x280
[  396.317796]  filemap_fault+0x1595/0x25f0
[  396.321872]  ? __lock_page_or_retry+0xa00/0xa00
[  396.326549]  ? mark_held_locks+0x130/0x130
[  396.330796]  ? filemap_map_pages+0xd6b/0x1a20
[  396.335292]  ? lock_downgrade+0x900/0x900
[  396.339438]  ? check_preemption_disabled+0x48/0x280
[  396.344461]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.349400]  ? kasan_check_read+0x11/0x20
[  396.353549]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.358828]  ? rcu_softirq_qs+0x20/0x20
[  396.362823]  ? filemap_map_pages+0xd92/0x1a20
[  396.367335]  ? find_get_entries_tag+0x1400/0x1400
[  396.372192]  ? ep_scan_ready_list+0xbc7/0x1050
[  396.376774]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.381900]  ? lock_acquire+0x1ed/0x520
[  396.385888]  ? ext4_filemap_fault+0x7a/0xad
[  396.390233]  ? lock_release+0xa00/0xa00
[  396.394209]  ? perf_trace_sched_process_exec+0x860/0x860
[  396.399661]  ? print_usage_bug+0xc0/0xc0
[  396.403725]  ? print_usage_bug+0xc0/0xc0
[  396.407805]  ? down_read+0x8d/0x120
[  396.411448]  ? ext4_filemap_fault+0x7a/0xad
[  396.415769]  ? __down_interruptible+0x700/0x700
[  396.420447]  ext4_filemap_fault+0x82/0xad
[  396.424596]  __do_fault+0x100/0x6b0
[  396.428242]  ? pmd_devmap_trans_unstable+0x220/0x220
[  396.433350]  ? mark_held_locks+0x130/0x130
[  396.446439]  ? mark_held_locks+0x130/0x130
[  396.450702]  ? kasan_check_read+0x11/0x20
[  396.454854]  ? ep_poll+0xffa/0x13d0
[  396.458482]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.463591]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.469148]  __handle_mm_fault+0x3ea0/0x5be0
[  396.473569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.479144]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  396.483995]  ? do_epoll_create+0x590/0x590
[  396.488235]  ? kasan_check_read+0x11/0x20
[  396.492382]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.497676]  ? rcu_softirq_qs+0x20/0x20
[  396.501681]  ? zap_class+0x640/0x640
[  396.505409]  ? zap_class+0x640/0x640
[  396.509130]  ? find_held_lock+0x36/0x1c0
[  396.513200]  ? handle_mm_fault+0x42a/0xc70
[  396.517438]  ? lock_downgrade+0x900/0x900
[  396.521590]  ? check_preemption_disabled+0x48/0x280
[  396.526609]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.531581]  ? kasan_check_read+0x11/0x20
[  396.535733]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.541035]  ? rcu_softirq_qs+0x20/0x20
[  396.545026]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.550135]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.555675]  ? check_preemption_disabled+0x48/0x280
[  396.560710]  handle_mm_fault+0x54f/0xc70
[  396.564776]  ? __handle_mm_fault+0x5be0/0x5be0
[  396.569363]  ? find_vma+0x34/0x190
[  396.572927]  __do_page_fault+0x5e8/0xe60
[  396.576989]  ? trace_hardirqs_off+0xb8/0x310
[  396.581400]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  396.586984]  do_page_fault+0xf2/0x7e0
[  396.590796]  ? vmalloc_sync_all+0x30/0x30
[  396.594947]  ? error_entry+0x70/0xd0
[  396.598662]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.603680]  ? trace_hardirqs_on_caller+0xc0/0x310
[  396.608645]  ? syscall_return_slowpath+0x5e0/0x5e0
[  396.614051]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.618909]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.623922]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  396.629375]  ? prepare_exit_to_usermode+0x291/0x3b0
[  396.634423]  ? page_fault+0x8/0x30
[  396.637978]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.642884]  ? page_fault+0x8/0x30
[  396.646422]  page_fault+0x1e/0x30
[  396.649877] RIP: 0033:0x45df89
[  396.653080] Code: Bad RIP value.
[  396.656443] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  396.661805] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  396.669071] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  396.676357] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  396.683641] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  396.690929] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  396.698223] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  396.698288] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  396.705586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  396.705591] Call Trace:
[  396.705597]  <IRQ>
[  396.705614]  dump_stack+0x244/0x39d
[  396.705632]  ? dump_stack_print_info.cold.1+0x20/0x20
[  396.712191] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  396.721483]  warn_alloc.cold.116+0xb7/0x1bd
[  396.724058] syz-fuzzer cpuset=/ mems_allowed=0
[  396.726206]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  396.759517]  ? lock_downgrade+0x900/0x900
[  396.763676]  ? trace_hardirqs_off+0xb8/0x310
[  396.768102]  ? trace_hardirqs_off+0xb8/0x310
[  396.772518]  __alloc_pages_slowpath+0x26e8/0x2e10
[  396.777390]  ? warn_alloc+0x120/0x120
[  396.781195]  ? print_usage_bug+0xc0/0xc0
[  396.785258]  ? warn_alloc+0x120/0x120
[  396.789066]  ? warn_alloc+0x120/0x120
[  396.792881]  ? print_usage_bug+0xc0/0xc0
[  396.796951]  ? print_usage_bug+0xc0/0xc0
[  396.801038]  ? __lock_acquire+0x62f/0x4c20
[  396.805281]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.810816]  ? should_fail+0x22d/0xd01
[  396.814724]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.819827]  ? __lock_acquire+0x62f/0x4c20
[  396.824068]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.829171]  ? __lock_acquire+0x62f/0x4c20
[  396.833405]  ? should_fail+0x22d/0xd01
[  396.837293]  ? find_held_lock+0x36/0x1c0
[  396.841377]  ? mark_held_locks+0x130/0x130
[  396.845616]  ? mark_held_locks+0x130/0x130
[  396.849848]  ? zap_class+0x640/0x640
[  396.853582]  ? zap_class+0x640/0x640
[  396.857299]  ? print_usage_bug+0xc0/0xc0
[  396.861378]  ? do_raw_spin_unlock+0xa7/0x330
[  396.865789]  ? zap_class+0x640/0x640
[  396.869506]  ? print_usage_bug+0xc0/0xc0
[  396.873581]  ? wq_watchdog_touch+0x9c/0xfe
[  396.877832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.883371]  ? check_preemption_disabled+0x48/0x280
[  396.888398]  ? __lock_is_held+0xb5/0x140
[  396.892468]  __alloc_pages_nodemask+0xa80/0xde0
[  396.897139]  ? zap_class+0x640/0x640
[  396.900859]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  396.905887]  ? find_held_lock+0x36/0x1c0
[  396.909969]  ? ____cache_alloc_node+0x1c7/0x1e0
[  396.914643]  ? lock_downgrade+0x900/0x900
[  396.918801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.924346]  cache_grow_begin+0xa5/0x8c0
[  396.928426]  ? do_raw_spin_unlock+0xa7/0x330
[  396.932843]  fallback_alloc+0x204/0x2e0
[  396.936824]  ____cache_alloc_node+0x1c7/0x1e0
[  396.941325]  kmem_cache_alloc_node+0xe3/0x730
[  396.945825]  ? ipv6_get_ifaddr+0x42e/0x620
[  396.950082]  __alloc_skb+0x119/0x770
[  396.953808]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.959104]  ? netdev_alloc_frag+0x1f0/0x1f0
[  396.963529]  ? lock_downgrade+0x900/0x900
[  396.967701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.973241]  ? refcount_sub_and_test_checked+0x203/0x310
[  396.978706]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  396.984155]  ? addrconf_rs_timer+0x690/0x690
[  396.988580]  ndisc_alloc_skb+0x144/0x340
[  396.992648]  ndisc_send_rs+0x331/0x6e0
[  396.996546]  addrconf_rs_timer+0x314/0x690
[  397.000788]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.005047]  call_timer_fn+0x272/0x920
[  397.008935]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.013170]  ? process_timeout+0x40/0x40
[  397.017246]  ? __run_timers+0x7da/0xc70
[  397.021225]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.025737]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.030239]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.034477]  ? lockdep_hardirqs_on+0x296/0x5b0
[  397.039094]  ? trace_hardirqs_on+0xbd/0x310
[  397.043445]  ? kasan_check_read+0x11/0x20
[  397.047591]  ? __run_timers+0x7da/0xc70
[  397.051586]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.056706]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.060963]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.065196]  __run_timers+0x7e5/0xc70
[  397.069009]  ? timer_fixup_init+0x70/0x70
[  397.073171]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  397.078192]  ? zap_class+0x640/0x640
[  397.081927]  ? enqueue_hrtimer+0x1a5/0x560
[  397.086165]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  397.091377]  ? find_held_lock+0x36/0x1c0
[  397.095452]  ? zap_class+0x640/0x640
[  397.099200]  ? pvclock_read_flags+0x160/0x160
[  397.103711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.109257]  ? check_preemption_disabled+0x48/0x280
[  397.114295]  ? __lock_is_held+0xb5/0x140
[  397.118367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.123922]  ? check_preemption_disabled+0x48/0x280
[  397.128942]  run_timer_softirq+0x52/0xb0
[  397.133001]  ? rcu_read_lock_sched_held+0x14f/0x180
[  397.138032]  __do_softirq+0x308/0xb7e
[  397.141840]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  397.146335]  ? lock_downgrade+0x900/0x900
[  397.150498]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  397.155613]  ? pvclock_read_flags+0x160/0x160
[  397.160117]  ? lapic_next_event+0x5a/0x90
[  397.164266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.169810]  ? kvm_clock_read+0x18/0x30
[  397.173785]  ? kvm_sched_clock_read+0x9/0x20
[  397.178196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.183734]  ? check_preemption_disabled+0x48/0x280
[  397.188759]  irq_exit+0x17f/0x1c0
[  397.192214]  smp_apic_timer_interrupt+0x1cb/0x760
[  397.197056]  ? smp_reschedule_interrupt+0x109/0x650
[  397.202089]  ? smp_call_function_single_interrupt+0x650/0x650
[  397.207973]  ? interrupt_entry+0xb5/0xc0
[  397.212044]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.217063]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.222081]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.226959]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.231974]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.237036]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.241888]  apic_timer_interrupt+0xf/0x20
[  397.246134]  </IRQ>
[  397.248376] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  397.253310] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  397.272211] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  397.279916] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  397.287184] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  397.294454] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  397.301739] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  397.309036] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  397.316347]  skb_clone+0x1bb/0x500
[  397.319887]  ? finish_task_switch+0x2f4/0x910
[  397.324381]  ? skb_split+0x11e0/0x11e0
[  397.328273]  ? preempt_notifier_register+0x200/0x200
[  397.333373]  ? __switch_to_asm+0x34/0x70
[  397.337434]  ? __switch_to_asm+0x34/0x70
[  397.341496]  ? __switch_to_asm+0x40/0x70
[  397.345571]  ? __switch_to_asm+0x34/0x70
[  397.349630]  ? __switch_to_asm+0x40/0x70
[  397.353691]  ? __switch_to_asm+0x34/0x70
[  397.357751]  ? __switch_to_asm+0x40/0x70
[  397.361821]  ? __switch_to_asm+0x34/0x70
[  397.365879]  ? __switch_to_asm+0x34/0x70
[  397.369977]  ? __switch_to_asm+0x40/0x70
[  397.374073]  ? __switch_to_asm+0x34/0x70
[  397.378143]  bpf_clone_redirect+0xb9/0x490
[  397.382389]  ? __schedule+0x8d7/0x21d0
[  397.386281]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  397.391299]  ? __sched_text_start+0x8/0x8
[  397.395493]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  397.400076]  ? retint_kernel+0x2d/0x2d
[  397.403963]  ? trace_hardirqs_on_caller+0xc0/0x310
[  397.408894]  ? find_held_lock+0x36/0x1c0
[  397.412966]  ? lock_acquire+0x1ed/0x520
[  397.416942]  ? bpf_test_run+0x3cb/0x780
[  397.420930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.426471]  ? check_preemption_disabled+0x48/0x280
[  397.431508]  ? kasan_check_read+0x11/0x20
[  397.435658]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.440934]  ? rcu_softirq_qs+0x20/0x20
[  397.444911]  ? preempt_schedule+0x4d/0x60
[  397.449075]  ? ___preempt_schedule+0x16/0x18
[  397.453492]  ? bpf_test_run+0x25d/0x780
[  397.457485]  ? netlink_diag_dump+0x2a0/0x2a0
[  397.461901]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.467438]  ? bpf_test_init.isra.10+0x70/0x100
[  397.472143]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  397.476928]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  397.481772]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  397.487312]  ? fput+0x130/0x1a0
[  397.490621]  ? __bpf_prog_get+0x9b/0x290
[  397.494690]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  397.499531]  ? bpf_prog_test_run+0x130/0x1a0
[  397.503995]  ? __x64_sys_bpf+0x3d8/0x520
[  397.508079]  ? bpf_prog_get+0x20/0x20
[  397.511900]  ? do_syscall_64+0x1b9/0x820
[  397.515960]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  397.521339]  ? syscall_return_slowpath+0x5e0/0x5e0
[  397.526280]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.531151]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.536186]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  397.541210]  ? prepare_exit_to_usermode+0x291/0x3b0
[  397.546245]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.551094]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  397.556479] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  397.556485] warn_alloc_show_mem: 1 callbacks suppressed
[  397.556492] Mem-Info:
[  397.563519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  397.568888] active_anon:51179 inactive_anon:236 isolated_anon:0
[  397.568888]  active_file:17 inactive_file:9 isolated_file:0
[  397.568888]  unevictable:0 dirty:0 writeback:0 unstable:0
[  397.568888]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  397.568888]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  397.568888]  free:13694 free_pcp:258 free_cma:0
[  397.571259] Call Trace:
[  397.580662] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  397.613416]  <IRQ>
[  397.615991] 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
[  397.643491]  dump_stack+0x244/0x39d
[  397.645617] lowmem_reserve[]: 0 2818 6321 6321
[  397.671754]  ? dump_stack_print_info.cold.1+0x20/0x20
[  397.675361] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  397.679957]  warn_alloc.cold.116+0xb7/0x1bd
[  397.685127] lowmem_reserve[]: 0 0 3503 3503
[  397.712299]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  397.716609] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  397.720923]  ? lock_downgrade+0x900/0x900
[  397.725739] lowmem_reserve[]: 0 0 0 0
[  397.754722]  ? trace_hardirqs_off+0xb8/0x310
[  397.758848] 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
[  397.762643]  ? trace_hardirqs_off+0xb8/0x310
[  397.767030] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  397.780555]  __alloc_pages_slowpath+0x26e8/0x2e10
[  397.784958] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  397.800146]  ? warn_alloc+0x120/0x120
[  397.804947] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  397.819155]  ? warn_alloc+0x120/0x120
[  397.822934] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  397.831755]  ? warn_alloc+0x120/0x120
[  397.835532] 309 total pagecache pages
[  397.844117]  ? print_usage_bug+0xc0/0xc0
[  397.847899] 0 pages in swap cache
[  397.851686]  ? print_usage_bug+0xc0/0xc0
[  397.855723] Swap cache stats: add 0, delete 0, find 0/0
[  397.859195]  ? print_usage_bug+0xc0/0xc0
[  397.863234] Free swap  = 0kB
[  397.868588]  ? __lock_is_held+0xb5/0x140
[  397.872639] Total swap = 0kB
[  397.875653]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.879691] 1965979 pages RAM
[  397.882719]  ? should_fail+0x22d/0xd01
[  397.888233] 0 pages HighMem/MovableOnly
[  397.891331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.895196] 342853 pages reserved
[  397.899166]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.904681] 0 pages cma reserved
[  397.908125]  ? __lock_acquire+0x62f/0x4c20
[  397.913266] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  397.916562]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.920853] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  397.927283]  ? __lock_acquire+0x62f/0x4c20
[  397.932360] syz-executor2 cpuset=syz2 mems_allowed=0
[  397.942864]  ? should_fail+0x22d/0xd01
[  397.956058]  ? __lock_acquire+0x62f/0x4c20
[  397.960318]  ? mark_held_locks+0x130/0x130
[  397.964572]  ? mark_held_locks+0x130/0x130
[  397.968810]  ? mark_held_locks+0x130/0x130
[  397.973070]  ? nohz_balance_enter_idle+0x6c0/0x6c0
[  397.978024]  ? zap_class+0x640/0x640
[  397.981742]  ? print_usage_bug+0xc0/0xc0
[  397.985810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.991352]  ? check_preemption_disabled+0x48/0x280
[  397.996376]  ? __lock_is_held+0xb5/0x140
[  398.000441]  __alloc_pages_nodemask+0xa80/0xde0
[  398.005110]  ? zap_class+0x640/0x640
[  398.008827]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  398.013853]  ? find_held_lock+0x36/0x1c0
[  398.017924]  ? ____cache_alloc_node+0x1c7/0x1e0
[  398.022592]  ? lock_downgrade+0x900/0x900
[  398.026749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.032298]  cache_grow_begin+0xa5/0x8c0
[  398.036359]  ? do_raw_spin_unlock+0xa7/0x330
[  398.040776]  fallback_alloc+0x204/0x2e0
[  398.044776]  ____cache_alloc_node+0x1c7/0x1e0
[  398.049278]  kmem_cache_alloc_node+0xe3/0x730
[  398.053777]  ? ipv6_get_ifaddr+0x42e/0x620
[  398.058032]  __alloc_skb+0x119/0x770
[  398.061753]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.067072]  ? netdev_alloc_frag+0x1f0/0x1f0
[  398.071481]  ? lock_downgrade+0x900/0x900
[  398.075636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.081173]  ? refcount_sub_and_test_checked+0x203/0x310
[  398.086628]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  398.092078]  ? addrconf_rs_timer+0x690/0x690
[  398.096499]  ndisc_alloc_skb+0x144/0x340
[  398.100564]  ndisc_send_rs+0x331/0x6e0
[  398.104456]  addrconf_rs_timer+0x314/0x690
[  398.108696]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.112954]  call_timer_fn+0x272/0x920
[  398.116841]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.121077]  ? process_timeout+0x40/0x40
[  398.125148]  ? mark_held_locks+0xc7/0x130
[  398.129298]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.133810]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.138322]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.142559]  ? lockdep_hardirqs_on+0x296/0x5b0
[  398.147159]  ? trace_hardirqs_on+0xbd/0x310
[  398.151483]  ? kasan_check_read+0x11/0x20
[  398.155628]  ? __run_timers+0x7da/0xc70
[  398.159603]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.164717]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.168957]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.173192]  __run_timers+0x7e5/0xc70
[  398.177060]  ? timer_fixup_init+0x70/0x70
[  398.181217]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  398.186236]  ? zap_class+0x640/0x640
[  398.189960]  ? print_usage_bug+0xc0/0xc0
[  398.194034]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  398.199256]  ? find_held_lock+0x36/0x1c0
[  398.203322]  ? zap_class+0x640/0x640
[  398.207059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.212605]  ? check_preemption_disabled+0x48/0x280
[  398.217635]  ? __lock_is_held+0xb5/0x140
[  398.221702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.227243]  ? check_preemption_disabled+0x48/0x280
[  398.232265]  run_timer_softirq+0x52/0xb0
[  398.236332]  ? rcu_read_lock_sched_held+0x14f/0x180
[  398.241352]  __do_softirq+0x308/0xb7e
[  398.245160]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  398.249681]  ? lock_downgrade+0x900/0x900
[  398.253837]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  398.258954]  ? pvclock_read_flags+0x160/0x160
[  398.263456]  ? lapic_next_event+0x5a/0x90
[  398.267610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.273158]  ? kvm_clock_read+0x18/0x30
[  398.277136]  ? kvm_sched_clock_read+0x9/0x20
[  398.281548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.287089]  ? check_preemption_disabled+0x48/0x280
[  398.292117]  irq_exit+0x17f/0x1c0
[  398.295584]  smp_apic_timer_interrupt+0x1cb/0x760
[  398.300424]  ? smp_reschedule_interrupt+0x109/0x650
[  398.305445]  ? smp_call_function_single_interrupt+0x650/0x650
[  398.311360]  ? interrupt_entry+0xb5/0xc0
[  398.315426]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.320443]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.325459]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.330321]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.335340]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.340356]  ? task_prio+0x50/0x50
[  398.343902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.349456]  ? check_preemption_disabled+0x48/0x280
[  398.354527]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.359392]  apic_timer_interrupt+0xf/0x20
[  398.363619]  </IRQ>
[  398.365874] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  398.371067] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  398.389994] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  398.397713] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  398.404990] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  398.412261] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  398.419570] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  398.426837] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  398.434140]  retint_kernel+0x1b/0x2d
[  398.437901] RIP: 0010:dump_stack+0x358/0x39d
[  398.442322] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  398.461221] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  398.468928] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  398.476196] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  398.483461] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  398.490730] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  398.498023] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  398.505314]  ? dump_stack+0x34f/0x39d
[  398.509129]  ? dump_stack_print_info.cold.1+0x20/0x20
[  398.514326]  ? mark_held_locks+0x130/0x130
[  398.518570]  ? mark_held_locks+0x130/0x130
[  398.522829]  dump_header+0x27b/0xf72
[  398.526586]  ? pagefault_out_of_memory+0x197/0x197
[  398.531548]  ? __lock_acquire+0x62f/0x4c20
[  398.535788]  ? percpu_ref_get_many+0x240/0x240
[  398.540381]  ? print_usage_bug+0xc0/0xc0
[  398.544459]  ? zap_class+0x640/0x640
[  398.548178]  ? print_usage_bug+0xc0/0xc0
[  398.552243]  ? print_usage_bug+0xc0/0xc0
[  398.556310]  ? zap_class+0x640/0x640
[  398.560036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.565584]  ? find_held_lock+0x36/0x1c0
[  398.569660]  ? mark_held_locks+0xc7/0x130
[  398.573810]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  398.578931]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  398.584046]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  398.588661]  ? trace_hardirqs_on+0xbd/0x310
[  398.592981]  ? kasan_check_read+0x11/0x20
[  398.597131]  ? ___ratelimit+0x3b4/0x672
[  398.601117]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.606223]  ? trace_hardirqs_on+0x310/0x310
[  398.611120]  ? lock_downgrade+0x900/0x900
[  398.615292]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  398.620397]  ? ___ratelimit+0x3b9/0x672
[  398.624396]  ? idr_get_free+0xf70/0xf70
[  398.628369]  ? find_held_lock+0x36/0x1c0
[  398.632443]  oom_kill_process.cold.27+0x10/0x903
[  398.637207]  ? zap_class+0x640/0x640
[  398.640925]  ? check_preemption_disabled+0x48/0x280
[  398.645963]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  398.650894]  ? kasan_check_read+0x11/0x20
[  398.655067]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.660348]  ? oom_evaluate_task+0x540/0x540
[  398.664761]  ? find_held_lock+0x36/0x1c0
[  398.668845]  ? out_of_memory+0x974/0x1430
[  398.672994]  ? lock_downgrade+0x900/0x900
[  398.677152]  ? check_preemption_disabled+0x48/0x280
[  398.682174]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  398.687108]  ? kasan_check_read+0x11/0x20
[  398.691257]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.696553]  ? rcu_softirq_qs+0x20/0x20
[  398.700580]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.706119]  ? oom_evaluate_task+0x302/0x540
[  398.710560]  out_of_memory+0xa84/0x1430
[  398.714585]  ? oom_killer_disable+0x3a0/0x3a0
[  398.719100]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  398.724049]  ? __ww_mutex_check_waiters+0x160/0x160
[  398.729111]  __alloc_pages_slowpath+0x2354/0x2e10
[  398.733988]  ? warn_alloc+0x120/0x120
[  398.737812]  ? mark_held_locks+0x130/0x130
[  398.742220]  ? find_get_entry+0xaae/0x1120
[  398.746487]  ? filemap_map_pages+0x1a20/0x1a20
[  398.751083]  ? zap_class+0x640/0x640
[  398.754803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.760347]  ? check_preemption_disabled+0x48/0x280
[  398.765382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.770924]  ? should_fail+0x22d/0xd01
[  398.774821]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.779940]  ? zap_class+0x640/0x640
[  398.783685]  ? __lock_is_held+0xb5/0x140
[  398.787760]  ? mark_held_locks+0x130/0x130
[  398.792010]  ? lock_release+0xa00/0xa00
[  398.796013]  ? perf_trace_sched_process_exec+0x860/0x860
[  398.801530]  ? xa_load+0x2ba/0x460
[  398.805074]  ? lock_downgrade+0x900/0x900
[  398.809246]  ? __might_sleep+0x95/0x190
[  398.813236]  __alloc_pages_nodemask+0xa80/0xde0
[  398.817910]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  398.822927]  ? __page_cache_alloc+0x191/0x5c0
[  398.827444]  ? xa_load+0x2e1/0x460
[  398.831058]  ? xa_clear_mark+0x40/0x40
[  398.834953]  ? zap_class+0x640/0x640
[  398.838680]  ? zap_class+0x640/0x640
[  398.842411]  ? zap_class+0x640/0x640
[  398.846132]  ? __do_page_cache_readahead+0x663/0x810
[  398.851878]  ? find_held_lock+0x36/0x1c0
[  398.855967]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  398.861524]  alloc_pages_current+0x173/0x350
[  398.865942]  __page_cache_alloc+0x38c/0x5c0
[  398.870263]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  398.875197]  ? kasan_check_read+0x11/0x20
[  398.879348]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.884641]  ? generic_perform_write+0x6a0/0x6a0
[  398.889409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.894952]  ? check_preemption_disabled+0x48/0x280
[  398.899993]  filemap_fault+0x1595/0x25f0
[  398.904081]  ? __lock_page_or_retry+0xa00/0xa00
[  398.908753]  ? mark_held_locks+0x130/0x130
[  398.913092]  ? filemap_map_pages+0xd6b/0x1a20
[  398.917593]  ? lock_downgrade+0x900/0x900
[  398.921745]  ? check_preemption_disabled+0x48/0x280
[  398.926768]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  398.931697]  ? kasan_check_read+0x11/0x20
[  398.935854]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.941134]  ? rcu_softirq_qs+0x20/0x20
[  398.945123]  ? filemap_map_pages+0xd92/0x1a20
[  398.949674]  ? find_get_entries_tag+0x1400/0x1400
[  398.954549]  ? ep_scan_ready_list+0xbc7/0x1050
[  398.959132]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.964250]  ? lock_acquire+0x1ed/0x520
[  398.968223]  ? ext4_filemap_fault+0x7a/0xad
[  398.972581]  ? lock_release+0xa00/0xa00
[  398.976570]  ? perf_trace_sched_process_exec+0x860/0x860
[  398.982033]  ? print_usage_bug+0xc0/0xc0
[  398.986132]  ? print_usage_bug+0xc0/0xc0
[  398.990204]  ? down_read+0x8d/0x120
[  398.993830]  ? ext4_filemap_fault+0x7a/0xad
[  398.998151]  ? __down_interruptible+0x700/0x700
[  399.002828]  ext4_filemap_fault+0x82/0xad
[  399.006980]  __do_fault+0x100/0x6b0
[  399.010612]  ? pmd_devmap_trans_unstable+0x220/0x220
[  399.015721]  ? mark_held_locks+0x130/0x130
[  399.019989]  ? mark_held_locks+0x130/0x130
[  399.024243]  ? kasan_check_read+0x11/0x20
[  399.028394]  ? ep_poll+0xffa/0x13d0
[  399.032033]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.037149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.042694]  __handle_mm_fault+0x3ea0/0x5be0
[  399.047107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.052669]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  399.057530]  ? do_epoll_create+0x590/0x590
[  399.061795]  ? kasan_check_read+0x11/0x20
[  399.065943]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.071219]  ? rcu_softirq_qs+0x20/0x20
[  399.075231]  ? zap_class+0x640/0x640
[  399.078986]  ? zap_class+0x640/0x640
[  399.082733]  ? find_held_lock+0x36/0x1c0
[  399.086808]  ? handle_mm_fault+0x42a/0xc70
[  399.091069]  ? lock_downgrade+0x900/0x900
[  399.095225]  ? check_preemption_disabled+0x48/0x280
[  399.100245]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.105184]  ? kasan_check_read+0x11/0x20
[  399.109334]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.114615]  ? rcu_softirq_qs+0x20/0x20
[  399.118591]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.123695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.129239]  ? check_preemption_disabled+0x48/0x280
[  399.134267]  handle_mm_fault+0x54f/0xc70
[  399.138334]  ? __handle_mm_fault+0x5be0/0x5be0
[  399.142924]  ? find_vma+0x34/0x190
[  399.146485]  __do_page_fault+0x5e8/0xe60
[  399.150546]  ? trace_hardirqs_off+0xb8/0x310
[  399.154953]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  399.160518]  do_page_fault+0xf2/0x7e0
[  399.164328]  ? vmalloc_sync_all+0x30/0x30
[  399.168493]  ? error_entry+0x70/0xd0
[  399.172206]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.177224]  ? trace_hardirqs_on_caller+0xc0/0x310
[  399.182156]  ? syscall_return_slowpath+0x5e0/0x5e0
[  399.187088]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.191933]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.196948]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  399.202449]  ? prepare_exit_to_usermode+0x291/0x3b0
[  399.207463]  ? page_fault+0x8/0x30
[  399.211043]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.215888]  ? page_fault+0x8/0x30
[  399.219427]  page_fault+0x1e/0x30
[  399.222994] RIP: 0033:0x45df89
[  399.226201] Code: Bad RIP value.
[  399.229561] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  399.234927] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  399.242229] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  399.249498] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  399.256763] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  399.264032] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  399.271334] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  399.271417] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  399.278700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  399.278705] Call Trace:
[  399.278711]  <IRQ>
[  399.278729]  dump_stack+0x244/0x39d
[  399.278749]  ? dump_stack_print_info.cold.1+0x20/0x20
[  399.285325] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  399.294598]  warn_alloc.cold.116+0xb7/0x1bd
[  399.297161] syz-fuzzer cpuset=/ mems_allowed=0
[  399.299308]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  399.332031]  ? lock_downgrade+0x900/0x900
[  399.336204]  ? trace_hardirqs_off+0xb8/0x310
[  399.340620]  ? trace_hardirqs_off+0xb8/0x310
[  399.345045]  __alloc_pages_slowpath+0x26e8/0x2e10
[  399.349920]  ? warn_alloc+0x120/0x120
[  399.353725]  ? print_usage_bug+0xc0/0xc0
[  399.357792]  ? warn_alloc+0x120/0x120
[  399.361601]  ? warn_alloc+0x120/0x120
[  399.365403]  ? print_usage_bug+0xc0/0xc0
[  399.369475]  ? print_usage_bug+0xc0/0xc0
[  399.373574]  ? __lock_acquire+0x62f/0x4c20
[  399.377830]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.383368]  ? should_fail+0x22d/0xd01
[  399.387260]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.392362]  ? __lock_acquire+0x62f/0x4c20
[  399.396624]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.401740]  ? __lock_acquire+0x62f/0x4c20
[  399.405975]  ? should_fail+0x22d/0xd01
[  399.409888]  ? find_held_lock+0x36/0x1c0
[  399.413958]  ? mark_held_locks+0x130/0x130
[  399.418204]  ? mark_held_locks+0x130/0x130
[  399.422440]  ? zap_class+0x640/0x640
[  399.426159]  ? zap_class+0x640/0x640
[  399.429877]  ? print_usage_bug+0xc0/0xc0
[  399.433937]  ? do_raw_spin_unlock+0xa7/0x330
[  399.438384]  ? zap_class+0x640/0x640
[  399.442101]  ? print_usage_bug+0xc0/0xc0
[  399.446171]  ? wq_watchdog_touch+0x9c/0xfe
[  399.450418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.455965]  ? check_preemption_disabled+0x48/0x280
[  399.461003]  ? __lock_is_held+0xb5/0x140
[  399.465088]  __alloc_pages_nodemask+0xa80/0xde0
[  399.469768]  ? zap_class+0x640/0x640
[  399.473503]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  399.478556]  ? find_held_lock+0x36/0x1c0
[  399.482630]  ? ____cache_alloc_node+0x1c7/0x1e0
[  399.487301]  ? lock_downgrade+0x900/0x900
[  399.491502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.497067]  cache_grow_begin+0xa5/0x8c0
[  399.501126]  ? do_raw_spin_unlock+0xa7/0x330
[  399.505559]  fallback_alloc+0x204/0x2e0
[  399.509545]  ____cache_alloc_node+0x1c7/0x1e0
[  399.514054]  kmem_cache_alloc_node+0xe3/0x730
[  399.518556]  ? ipv6_get_ifaddr+0x42e/0x620
[  399.522803]  __alloc_skb+0x119/0x770
[  399.526519]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.531819]  ? netdev_alloc_frag+0x1f0/0x1f0
[  399.536230]  ? lock_downgrade+0x900/0x900
[  399.540385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.545922]  ? refcount_sub_and_test_checked+0x203/0x310
[  399.551391]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  399.556842]  ? addrconf_rs_timer+0x690/0x690
[  399.561268]  ndisc_alloc_skb+0x144/0x340
[  399.565335]  ndisc_send_rs+0x331/0x6e0
[  399.569227]  addrconf_rs_timer+0x314/0x690
[  399.573509]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.577760]  call_timer_fn+0x272/0x920
[  399.581648]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.585880]  ? process_timeout+0x40/0x40
[  399.589949]  ? __run_timers+0x7da/0xc70
[  399.593930]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.598485]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.602979]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.607242]  ? lockdep_hardirqs_on+0x296/0x5b0
[  399.611858]  ? trace_hardirqs_on+0xbd/0x310
[  399.616208]  ? kasan_check_read+0x11/0x20
[  399.620370]  ? __run_timers+0x7da/0xc70
[  399.624345]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.629450]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.633692]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.637929]  __run_timers+0x7e5/0xc70
[  399.641784]  ? timer_fixup_init+0x70/0x70
[  399.645937]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  399.650953]  ? zap_class+0x640/0x640
[  399.654672]  ? enqueue_hrtimer+0x1a5/0x560
[  399.658927]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  399.664138]  ? find_held_lock+0x36/0x1c0
[  399.668216]  ? zap_class+0x640/0x640
[  399.671933]  ? pvclock_read_flags+0x160/0x160
[  399.676452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.681999]  ? check_preemption_disabled+0x48/0x280
[  399.687043]  ? __lock_is_held+0xb5/0x140
[  399.691111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.696655]  ? check_preemption_disabled+0x48/0x280
[  399.701676]  run_timer_softirq+0x52/0xb0
[  399.705742]  ? rcu_read_lock_sched_held+0x14f/0x180
[  399.710761]  __do_softirq+0x308/0xb7e
[  399.714585]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  399.719084]  ? lock_downgrade+0x900/0x900
[  399.723239]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  399.728352]  ? pvclock_read_flags+0x160/0x160
[  399.732852]  ? lapic_next_event+0x5a/0x90
[  399.737005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.742582]  ? kvm_clock_read+0x18/0x30
[  399.746567]  ? kvm_sched_clock_read+0x9/0x20
[  399.750978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.756519]  ? check_preemption_disabled+0x48/0x280
[  399.761561]  irq_exit+0x17f/0x1c0
[  399.765027]  smp_apic_timer_interrupt+0x1cb/0x760
[  399.769872]  ? smp_reschedule_interrupt+0x109/0x650
[  399.774892]  ? smp_call_function_single_interrupt+0x650/0x650
[  399.780800]  ? interrupt_entry+0xb5/0xc0
[  399.784869]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.789887]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.794907]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.799754]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.804769]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.809797]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.814652]  apic_timer_interrupt+0xf/0x20
[  399.818879]  </IRQ>
[  399.821122] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  399.826071] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  399.844971] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  399.852679] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  399.859948] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  399.867228] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  399.874492] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  399.881756] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  399.889072]  skb_clone+0x1bb/0x500
[  399.892618]  ? finish_task_switch+0x2f4/0x910
[  399.897117]  ? skb_split+0x11e0/0x11e0
[  399.901007]  ? preempt_notifier_register+0x200/0x200
[  399.906117]  ? __switch_to_asm+0x34/0x70
[  399.910207]  ? __switch_to_asm+0x34/0x70
[  399.914271]  ? __switch_to_asm+0x40/0x70
[  399.918351]  ? __switch_to_asm+0x34/0x70
[  399.922410]  ? __switch_to_asm+0x40/0x70
[  399.926484]  ? __switch_to_asm+0x34/0x70
[  399.930544]  ? __switch_to_asm+0x40/0x70
[  399.934614]  ? __switch_to_asm+0x34/0x70
[  399.938671]  ? __switch_to_asm+0x34/0x70
[  399.942729]  ? __switch_to_asm+0x40/0x70
[  399.946786]  ? __switch_to_asm+0x34/0x70
[  399.950851]  bpf_clone_redirect+0xb9/0x490
[  399.955092]  ? __schedule+0x8d7/0x21d0
[  399.958987]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  399.964034]  ? __sched_text_start+0x8/0x8
[  399.968193]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  399.972801]  ? retint_kernel+0x2d/0x2d
[  399.976692]  ? trace_hardirqs_on_caller+0xc0/0x310
[  399.981639]  ? find_held_lock+0x36/0x1c0
[  399.985722]  ? lock_acquire+0x1ed/0x520
[  399.989707]  ? bpf_test_run+0x3cb/0x780
[  399.993682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.999226]  ? check_preemption_disabled+0x48/0x280
[  400.004267]  ? kasan_check_read+0x11/0x20
[  400.008417]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.013696]  ? rcu_softirq_qs+0x20/0x20
[  400.017670]  ? preempt_schedule+0x4d/0x60
[  400.021822]  ? ___preempt_schedule+0x16/0x18
[  400.026250]  ? bpf_test_run+0x25d/0x780
[  400.030236]  ? netlink_diag_dump+0x2a0/0x2a0
[  400.034666]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.040205]  ? bpf_test_init.isra.10+0x70/0x100
[  400.044882]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  400.049650]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  400.054492]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  400.060037]  ? fput+0x130/0x1a0
[  400.063335]  ? __bpf_prog_get+0x9b/0x290
[  400.067398]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  400.072237]  ? bpf_prog_test_run+0x130/0x1a0
[  400.076652]  ? __x64_sys_bpf+0x3d8/0x520
[  400.080718]  ? bpf_prog_get+0x20/0x20
[  400.084546]  ? do_syscall_64+0x1b9/0x820
[  400.088630]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  400.093994]  ? syscall_return_slowpath+0x5e0/0x5e0
[  400.098932]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.103777]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.108798]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  400.113830]  ? prepare_exit_to_usermode+0x291/0x3b0
[  400.118862]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.123727]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  400.129115] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  400.129120] warn_alloc_show_mem: 1 callbacks suppressed
[  400.129127] Mem-Info:
[  400.136141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  400.141508] active_anon:51179 inactive_anon:236 isolated_anon:0
[  400.141508]  active_file:17 inactive_file:9 isolated_file:0
[  400.141508]  unevictable:0 dirty:0 writeback:0 unstable:0
[  400.141508]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  400.141508]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  400.141508]  free:13694 free_pcp:258 free_cma:0
[  400.143884] Call Trace:
[  400.153273] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  400.186033]  <IRQ>
[  400.188607] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  400.216104]  dump_stack+0x244/0x39d
[  400.218232] lowmem_reserve[]: 0 2818 6321 6321
[  400.244684]  ? dump_stack_print_info.cold.1+0x20/0x20
[  400.248287] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  400.252871]  warn_alloc.cold.116+0xb7/0x1bd
[  400.258032] lowmem_reserve[]: 0 0 3503 3503
[  400.285229]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  400.289543] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  400.293869]  ? lock_downgrade+0x900/0x900
[  400.298684] lowmem_reserve[]: 0 0 0 0
[  400.327653]  ? trace_hardirqs_off+0xb8/0x310
[  400.331773] 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
[  400.335622]  ? trace_hardirqs_off+0xb8/0x310
[  400.340023] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  400.353548]  __alloc_pages_slowpath+0x26e8/0x2e10
[  400.357931] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  400.373118]  ? warn_alloc+0x120/0x120
[  400.377919] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  400.392123]  ? print_usage_bug+0xc0/0xc0
[  400.395905] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  400.404726]  ? warn_alloc+0x120/0x120
[  400.408778] 309 total pagecache pages
[  400.417344]  ? warn_alloc+0x120/0x120
[  400.421141] 0 pages in swap cache
[  400.424935]  ? print_usage_bug+0xc0/0xc0
[  400.428713] Swap cache stats: add 0, delete 0, find 0/0
[  400.432159]  ? kvm_clock_read+0x18/0x30
[  400.436199] Free swap  = 0kB
[  400.441574]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  400.445521] Total swap = 0kB
[  400.448531]  ? print_usage_bug+0xc0/0xc0
[  400.453528] 1965979 pages RAM
[  400.456573]  ? __lock_acquire+0x62f/0x4c20
[  400.460614] 0 pages HighMem/MovableOnly
[  400.463743]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.468476] 342853 pages reserved
[  400.472448]  ? should_fail+0x22d/0xd01
[  400.477963] 0 pages cma reserved
[  400.481408]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.485401] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  400.488687]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.494036] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  400.500433]  ? __lock_acquire+0x62f/0x4c20
[  400.505514] syz-executor2 cpuset=syz2 mems_allowed=0
[  400.515992]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.530397]  ? __lock_acquire+0x62f/0x4c20
[  400.534634]  ? should_fail+0x22d/0xd01
[  400.538535]  ? rcu_irq_exit+0x1a2/0x390
[  400.542520]  ? mark_held_locks+0x130/0x130
[  400.546779]  ? mark_held_locks+0x130/0x130
[  400.551046]  ? mark_held_locks+0xc7/0x130
[  400.555197]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  400.560212]  ? zap_class+0x640/0x640
[  400.563925]  ? print_usage_bug+0xc0/0xc0
[  400.567991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.573539]  ? check_preemption_disabled+0x48/0x280
[  400.578599]  ? __lock_is_held+0xb5/0x140
[  400.582670]  __alloc_pages_nodemask+0xa80/0xde0
[  400.587341]  ? zap_class+0x640/0x640
[  400.591065]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  400.596095]  ? find_held_lock+0x36/0x1c0
[  400.600168]  ? ____cache_alloc_node+0x1c7/0x1e0
[  400.604839]  ? lock_downgrade+0x900/0x900
[  400.608995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.615024]  cache_grow_begin+0xa5/0x8c0
[  400.619108]  ? do_raw_spin_unlock+0xa7/0x330
[  400.623526]  fallback_alloc+0x204/0x2e0
[  400.627516]  ____cache_alloc_node+0x1c7/0x1e0
[  400.632059]  kmem_cache_alloc_node+0xe3/0x730
[  400.636571]  ? ipv6_get_ifaddr+0x42e/0x620
[  400.640859]  __alloc_skb+0x119/0x770
[  400.644572]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.649855]  ? netdev_alloc_frag+0x1f0/0x1f0
[  400.654263]  ? lock_downgrade+0x900/0x900
[  400.658420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.663962]  ? refcount_sub_and_test_checked+0x203/0x310
[  400.669417]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  400.674921]  ? addrconf_rs_timer+0x690/0x690
[  400.679359]  ndisc_alloc_skb+0x144/0x340
[  400.683453]  ndisc_send_rs+0x331/0x6e0
[  400.687347]  addrconf_rs_timer+0x314/0x690
[  400.691601]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.695865]  call_timer_fn+0x272/0x920
[  400.699753]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.703988]  ? process_timeout+0x40/0x40
[  400.708069]  ? mark_held_locks+0xc7/0x130
[  400.712236]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.716731]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.721227]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.725462]  ? lockdep_hardirqs_on+0x296/0x5b0
[  400.730058]  ? trace_hardirqs_on+0xbd/0x310
[  400.734382]  ? kasan_check_read+0x11/0x20
[  400.738528]  ? __run_timers+0x7da/0xc70
[  400.742664]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.747773]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.752044]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.756292]  __run_timers+0x7e5/0xc70
[  400.760108]  ? timer_fixup_init+0x70/0x70
[  400.764273]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  400.769310]  ? zap_class+0x640/0x640
[  400.773042]  ? print_usage_bug+0xc0/0xc0
[  400.777125]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  400.782323]  ? find_held_lock+0x36/0x1c0
[  400.786391]  ? zap_class+0x640/0x640
[  400.790114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.795652]  ? check_preemption_disabled+0x48/0x280
[  400.800729]  ? __lock_is_held+0xb5/0x140
[  400.804798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.810336]  ? check_preemption_disabled+0x48/0x280
[  400.815375]  run_timer_softirq+0x52/0xb0
[  400.819439]  ? rcu_read_lock_sched_held+0x14f/0x180
[  400.824460]  __do_softirq+0x308/0xb7e
[  400.828279]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  400.832777]  ? lock_downgrade+0x900/0x900
[  400.836932]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  400.842053]  ? pvclock_read_flags+0x160/0x160
[  400.846567]  ? lapic_next_event+0x5a/0x90
[  400.850733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.856280]  ? kvm_clock_read+0x18/0x30
[  400.860251]  ? kvm_sched_clock_read+0x9/0x20
[  400.864664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.870203]  ? check_preemption_disabled+0x48/0x280
[  400.875231]  irq_exit+0x17f/0x1c0
[  400.878687]  smp_apic_timer_interrupt+0x1cb/0x760
[  400.883541]  ? smp_reschedule_interrupt+0x109/0x650
[  400.888562]  ? smp_call_function_single_interrupt+0x650/0x650
[  400.894444]  ? interrupt_entry+0xb5/0xc0
[  400.898522]  ? trace_hardirqs_off_caller+0xbb/0x310
[  400.903565]  ? trace_hardirqs_off_caller+0xbb/0x310
[  400.908584]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.913425]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.918441]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.923454]  ? task_prio+0x50/0x50
[  400.926995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.932538]  ? check_preemption_disabled+0x48/0x280
[  400.937562]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.942413]  apic_timer_interrupt+0xf/0x20
[  400.946643]  </IRQ>
[  400.948883] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  400.954102] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  400.972999] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  400.980763] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  400.988041] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  400.995313] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  401.002578] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  401.009856] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  401.017152]  retint_kernel+0x1b/0x2d
[  401.020869] RIP: 0010:dump_stack+0x358/0x39d
[  401.025277] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  401.044175] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  401.051879] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  401.059152] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  401.066438] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  401.073705] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  401.080972] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  401.088259]  ? dump_stack+0x34f/0x39d
[  401.092074]  ? dump_stack_print_info.cold.1+0x20/0x20
[  401.097285]  ? mark_held_locks+0x130/0x130
[  401.101520]  ? mark_held_locks+0x130/0x130
[  401.105762]  dump_header+0x27b/0xf72
[  401.109489]  ? pagefault_out_of_memory+0x197/0x197
[  401.114442]  ? __lock_acquire+0x62f/0x4c20
[  401.118695]  ? percpu_ref_get_many+0x240/0x240
[  401.123285]  ? print_usage_bug+0xc0/0xc0
[  401.127353]  ? zap_class+0x640/0x640
[  401.131072]  ? print_usage_bug+0xc0/0xc0
[  401.135132]  ? print_usage_bug+0xc0/0xc0
[  401.139214]  ? zap_class+0x640/0x640
[  401.142933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.148474]  ? find_held_lock+0x36/0x1c0
[  401.152549]  ? mark_held_locks+0xc7/0x130
[  401.156732]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  401.161834]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  401.166958]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  401.171542]  ? trace_hardirqs_on+0xbd/0x310
[  401.175868]  ? kasan_check_read+0x11/0x20
[  401.180027]  ? ___ratelimit+0x3b4/0x672
[  401.184031]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.189144]  ? trace_hardirqs_on+0x310/0x310
[  401.193552]  ? lock_downgrade+0x900/0x900
[  401.197705]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  401.202827]  ? ___ratelimit+0x3b9/0x672
[  401.206801]  ? idr_get_free+0xf70/0xf70
[  401.210783]  ? find_held_lock+0x36/0x1c0
[  401.214855]  oom_kill_process.cold.27+0x10/0x903
[  401.219615]  ? zap_class+0x640/0x640
[  401.223341]  ? check_preemption_disabled+0x48/0x280
[  401.228365]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.233294]  ? kasan_check_read+0x11/0x20
[  401.237444]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.242722]  ? oom_evaluate_task+0x540/0x540
[  401.247154]  ? find_held_lock+0x36/0x1c0
[  401.251662]  ? out_of_memory+0x974/0x1430
[  401.255810]  ? lock_downgrade+0x900/0x900
[  401.259958]  ? check_preemption_disabled+0x48/0x280
[  401.265025]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.269980]  ? kasan_check_read+0x11/0x20
[  401.274135]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.279418]  ? rcu_softirq_qs+0x20/0x20
[  401.283402]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.288936]  ? oom_evaluate_task+0x302/0x540
[  401.293353]  out_of_memory+0xa84/0x1430
[  401.297337]  ? oom_killer_disable+0x3a0/0x3a0
[  401.301865]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  401.306830]  ? __ww_mutex_check_waiters+0x160/0x160
[  401.311861]  __alloc_pages_slowpath+0x2354/0x2e10
[  401.316791]  ? warn_alloc+0x120/0x120
[  401.320604]  ? mark_held_locks+0x130/0x130
[  401.324865]  ? find_get_entry+0xaae/0x1120
[  401.329112]  ? filemap_map_pages+0x1a20/0x1a20
[  401.333701]  ? zap_class+0x640/0x640
[  401.337452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.342989]  ? check_preemption_disabled+0x48/0x280
[  401.348023]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.353568]  ? should_fail+0x22d/0xd01
[  401.357464]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.362587]  ? zap_class+0x640/0x640
[  401.366342]  ? __lock_is_held+0xb5/0x140
[  401.370412]  ? mark_held_locks+0x130/0x130
[  401.374656]  ? lock_release+0xa00/0xa00
[  401.378632]  ? perf_trace_sched_process_exec+0x860/0x860
[  401.384083]  ? xa_load+0x2ba/0x460
[  401.387627]  ? lock_downgrade+0x900/0x900
[  401.391789]  ? __might_sleep+0x95/0x190
[  401.395810]  __alloc_pages_nodemask+0xa80/0xde0
[  401.400533]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  401.405557]  ? __page_cache_alloc+0x191/0x5c0
[  401.410058]  ? xa_load+0x2e1/0x460
[  401.413602]  ? xa_clear_mark+0x40/0x40
[  401.417491]  ? zap_class+0x640/0x640
[  401.421218]  ? zap_class+0x640/0x640
[  401.424935]  ? zap_class+0x640/0x640
[  401.428681]  ? __do_page_cache_readahead+0x663/0x810
[  401.433790]  ? find_held_lock+0x36/0x1c0
[  401.437861]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  401.443406]  alloc_pages_current+0x173/0x350
[  401.447849]  __page_cache_alloc+0x38c/0x5c0
[  401.452179]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.457107]  ? kasan_check_read+0x11/0x20
[  401.461255]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.466547]  ? generic_perform_write+0x6a0/0x6a0
[  401.471307]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.476891]  ? check_preemption_disabled+0x48/0x280
[  401.481914]  filemap_fault+0x1595/0x25f0
[  401.485992]  ? __lock_page_or_retry+0xa00/0xa00
[  401.490713]  ? mark_held_locks+0x130/0x130
[  401.494975]  ? filemap_map_pages+0xd6b/0x1a20
[  401.499475]  ? lock_downgrade+0x900/0x900
[  401.503625]  ? check_preemption_disabled+0x48/0x280
[  401.508647]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.513575]  ? kasan_check_read+0x11/0x20
[  401.517721]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.522997]  ? rcu_softirq_qs+0x20/0x20
[  401.527008]  ? filemap_map_pages+0xd92/0x1a20
[  401.531556]  ? find_get_entries_tag+0x1400/0x1400
[  401.536429]  ? ep_scan_ready_list+0xbc7/0x1050
[  401.541021]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.546148]  ? lock_acquire+0x1ed/0x520
[  401.550125]  ? ext4_filemap_fault+0x7a/0xad
[  401.554455]  ? lock_release+0xa00/0xa00
[  401.558456]  ? perf_trace_sched_process_exec+0x860/0x860
[  401.563918]  ? print_usage_bug+0xc0/0xc0
[  401.567998]  ? print_usage_bug+0xc0/0xc0
[  401.572100]  ? down_read+0x8d/0x120
[  401.575736]  ? ext4_filemap_fault+0x7a/0xad
[  401.580079]  ? __down_interruptible+0x700/0x700
[  401.584758]  ext4_filemap_fault+0x82/0xad
[  401.588914]  __do_fault+0x100/0x6b0
[  401.592546]  ? pmd_devmap_trans_unstable+0x220/0x220
[  401.597658]  ? mark_held_locks+0x130/0x130
[  401.601910]  ? mark_held_locks+0x130/0x130
[  401.606163]  ? kasan_check_read+0x11/0x20
[  401.610312]  ? ep_poll+0xffa/0x13d0
[  401.613952]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.619075]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.624664]  __handle_mm_fault+0x3ea0/0x5be0
[  401.629076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.634639]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  401.639503]  ? do_epoll_create+0x590/0x590
[  401.643735]  ? kasan_check_read+0x11/0x20
[  401.647884]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.653171]  ? rcu_softirq_qs+0x20/0x20
[  401.657162]  ? zap_class+0x640/0x640
[  401.660909]  ? zap_class+0x640/0x640
[  401.664647]  ? find_held_lock+0x36/0x1c0
[  401.668722]  ? handle_mm_fault+0x42a/0xc70
[  401.672963]  ? lock_downgrade+0x900/0x900
[  401.677111]  ? check_preemption_disabled+0x48/0x280
[  401.682128]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.687060]  ? kasan_check_read+0x11/0x20
[  401.691221]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.696498]  ? rcu_softirq_qs+0x20/0x20
[  401.700473]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.705576]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.711115]  ? check_preemption_disabled+0x48/0x280
[  401.716142]  handle_mm_fault+0x54f/0xc70
[  401.720224]  ? __handle_mm_fault+0x5be0/0x5be0
[  401.724814]  ? find_vma+0x34/0x190
[  401.728360]  __do_page_fault+0x5e8/0xe60
[  401.732419]  ? trace_hardirqs_off+0xb8/0x310
[  401.736837]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  401.742405]  do_page_fault+0xf2/0x7e0
[  401.746212]  ? vmalloc_sync_all+0x30/0x30
[  401.750363]  ? error_entry+0x70/0xd0
[  401.754093]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.759112]  ? trace_hardirqs_on_caller+0xc0/0x310
[  401.764054]  ? syscall_return_slowpath+0x5e0/0x5e0
[  401.768995]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.773880]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.778898]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  401.784354]  ? prepare_exit_to_usermode+0x291/0x3b0
[  401.789375]  ? page_fault+0x8/0x30
[  401.792924]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.797775]  ? page_fault+0x8/0x30
[  401.801330]  page_fault+0x1e/0x30
[  401.804792] RIP: 0033:0x45df89
[  401.807994] Code: Bad RIP value.
[  401.811365] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  401.816726] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  401.823990] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  401.831267] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  401.838532] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  401.845801] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  401.853101] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  401.853171] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  401.860462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  401.860470] Call Trace:
[  401.867055] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  401.876288]  <IRQ>
[  401.878861] syz-fuzzer cpuset=/ mems_allowed=0
[  401.889082]  dump_stack+0x244/0x39d
[  401.899402]  ? dump_stack_print_info.cold.1+0x20/0x20
[  401.904607]  warn_alloc.cold.116+0xb7/0x1bd
[  401.908945]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  401.913792]  ? lock_downgrade+0x900/0x900
[  401.917950]  ? trace_hardirqs_off+0xb8/0x310
[  401.922368]  ? trace_hardirqs_off+0xb8/0x310
[  401.926784]  __alloc_pages_slowpath+0x26e8/0x2e10
[  401.931657]  ? warn_alloc+0x120/0x120
[  401.935466]  ? print_usage_bug+0xc0/0xc0
[  401.939532]  ? warn_alloc+0x120/0x120
[  401.943343]  ? warn_alloc+0x120/0x120
[  401.947147]  ? print_usage_bug+0xc0/0xc0
[  401.951216]  ? kvm_clock_read+0x18/0x30
[  401.955197]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  401.960230]  ? print_usage_bug+0xc0/0xc0
[  401.964312]  ? __lock_acquire+0x62f/0x4c20
[  401.968576]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.974132]  ? should_fail+0x22d/0xd01
[  401.978033]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.983318]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.988424]  ? __lock_acquire+0x62f/0x4c20
[  401.992677]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.997808]  ? __lock_acquire+0x62f/0x4c20
[  402.002064]  ? should_fail+0x22d/0xd01
[  402.005964]  ? rcu_irq_exit+0x1a2/0x390
[  402.009948]  ? mark_held_locks+0x130/0x130
[  402.014189]  ? mark_held_locks+0x130/0x130
[  402.018445]  ? mark_held_locks+0xc7/0x130
[  402.022589]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  402.027605]  ? zap_class+0x640/0x640
[  402.031319]  ? print_usage_bug+0xc0/0xc0
[  402.035387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.040926]  ? check_preemption_disabled+0x48/0x280
[  402.045969]  ? __lock_is_held+0xb5/0x140
[  402.050044]  __alloc_pages_nodemask+0xa80/0xde0
[  402.054717]  ? zap_class+0x640/0x640
[  402.058438]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  402.063499]  ? find_held_lock+0x36/0x1c0
[  402.067577]  ? ____cache_alloc_node+0x1c7/0x1e0
[  402.072253]  ? lock_downgrade+0x900/0x900
[  402.076413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.081957]  cache_grow_begin+0xa5/0x8c0
[  402.086043]  ? do_raw_spin_unlock+0xa7/0x330
[  402.090470]  fallback_alloc+0x204/0x2e0
[  402.094454]  ____cache_alloc_node+0x1c7/0x1e0
[  402.098956]  kmem_cache_alloc_node+0xe3/0x730
[  402.103454]  ? ipv6_get_ifaddr+0x42e/0x620
[  402.107700]  __alloc_skb+0x119/0x770
[  402.111431]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.116711]  ? netdev_alloc_frag+0x1f0/0x1f0
[  402.121127]  ? lock_downgrade+0x900/0x900
[  402.125283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.130842]  ? refcount_sub_and_test_checked+0x203/0x310
[  402.136296]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  402.141771]  ? addrconf_rs_timer+0x690/0x690
[  402.146191]  ndisc_alloc_skb+0x144/0x340
[  402.150262]  ndisc_send_rs+0x331/0x6e0
[  402.154156]  addrconf_rs_timer+0x314/0x690
[  402.158426]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.162675]  call_timer_fn+0x272/0x920
[  402.166569]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.170804]  ? process_timeout+0x40/0x40
[  402.174873]  ? __run_timers+0x7da/0xc70
[  402.178849]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.183343]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.187837]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.192073]  ? lockdep_hardirqs_on+0x296/0x5b0
[  402.196673]  ? trace_hardirqs_on+0xbd/0x310
[  402.200998]  ? kasan_check_read+0x11/0x20
[  402.205155]  ? __run_timers+0x7da/0xc70
[  402.209136]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.214249]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.218504]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.222762]  __run_timers+0x7e5/0xc70
[  402.226593]  ? timer_fixup_init+0x70/0x70
[  402.230750]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  402.236379]  ? zap_class+0x640/0x640
[  402.240112]  ? enqueue_hrtimer+0x1a5/0x560
[  402.244352]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  402.249559]  ? find_held_lock+0x36/0x1c0
[  402.253642]  ? zap_class+0x640/0x640
[  402.257358]  ? pvclock_read_flags+0x160/0x160
[  402.261863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.267416]  ? check_preemption_disabled+0x48/0x280
[  402.272444]  ? __lock_is_held+0xb5/0x140
[  402.276510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.282055]  ? check_preemption_disabled+0x48/0x280
[  402.287093]  run_timer_softirq+0x52/0xb0
[  402.291157]  ? rcu_read_lock_sched_held+0x14f/0x180
[  402.296178]  __do_softirq+0x308/0xb7e
[  402.299983]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  402.304484]  ? lock_downgrade+0x900/0x900
[  402.308642]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  402.313753]  ? pvclock_read_flags+0x160/0x160
[  402.318252]  ? lapic_next_event+0x5a/0x90
[  402.322402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.327947]  ? kvm_clock_read+0x18/0x30
[  402.331924]  ? kvm_sched_clock_read+0x9/0x20
[  402.336357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.341896]  ? check_preemption_disabled+0x48/0x280
[  402.346928]  irq_exit+0x17f/0x1c0
[  402.350388]  smp_apic_timer_interrupt+0x1cb/0x760
[  402.355237]  ? smp_reschedule_interrupt+0x109/0x650
[  402.360283]  ? smp_call_function_single_interrupt+0x650/0x650
[  402.366169]  ? interrupt_entry+0xb5/0xc0
[  402.370233]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.375249]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.380267]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.385118]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.390134]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.395163]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.400024]  apic_timer_interrupt+0xf/0x20
[  402.404257]  </IRQ>
[  402.406498] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  402.411430] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  402.430328] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  402.438040] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  402.445376] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  402.452643] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  402.459909] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  402.467177] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  402.474487]  skb_clone+0x1bb/0x500
[  402.478036]  ? finish_task_switch+0x2f4/0x910
[  402.482541]  ? skb_split+0x11e0/0x11e0
[  402.486456]  ? preempt_notifier_register+0x200/0x200
[  402.491565]  ? __switch_to_asm+0x34/0x70
[  402.495629]  ? __switch_to_asm+0x34/0x70
[  402.499688]  ? __switch_to_asm+0x40/0x70
[  402.503807]  ? __switch_to_asm+0x34/0x70
[  402.507866]  ? __switch_to_asm+0x40/0x70
[  402.512116]  ? __switch_to_asm+0x34/0x70
[  402.516179]  ? __switch_to_asm+0x40/0x70
[  402.520246]  ? __switch_to_asm+0x34/0x70
[  402.524337]  ? __switch_to_asm+0x34/0x70
[  402.528391]  ? __switch_to_asm+0x40/0x70
[  402.532450]  ? __switch_to_asm+0x34/0x70
[  402.536519]  bpf_clone_redirect+0xb9/0x490
[  402.540766]  ? __schedule+0x8d7/0x21d0
[  402.544685]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  402.549707]  ? __sched_text_start+0x8/0x8
[  402.553863]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  402.558445]  ? retint_kernel+0x2d/0x2d
[  402.562332]  ? trace_hardirqs_on_caller+0xc0/0x310
[  402.567267]  ? find_held_lock+0x36/0x1c0
[  402.571339]  ? lock_acquire+0x1ed/0x520
[  402.575314]  ? bpf_test_run+0x3cb/0x780
[  402.579293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.584836]  ? check_preemption_disabled+0x48/0x280
[  402.589858]  ? kasan_check_read+0x11/0x20
[  402.594025]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.599322]  ? rcu_softirq_qs+0x20/0x20
[  402.603301]  ? preempt_schedule+0x4d/0x60
[  402.607453]  ? ___preempt_schedule+0x16/0x18
[  402.611875]  ? bpf_test_run+0x25d/0x780
[  402.615868]  ? netlink_diag_dump+0x2a0/0x2a0
[  402.620286]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.625823]  ? bpf_test_init.isra.10+0x70/0x100
[  402.630500]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  402.635266]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  402.640113]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  402.645656]  ? fput+0x130/0x1a0
[  402.648939]  ? __bpf_prog_get+0x9b/0x290
[  402.653008]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  402.657861]  ? bpf_prog_test_run+0x130/0x1a0
[  402.662273]  ? __x64_sys_bpf+0x3d8/0x520
[  402.666333]  ? bpf_prog_get+0x20/0x20
[  402.670156]  ? do_syscall_64+0x1b9/0x820
[  402.674217]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  402.679582]  ? syscall_return_slowpath+0x5e0/0x5e0
[  402.684517]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.689370]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.694394]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  402.699417]  ? prepare_exit_to_usermode+0x291/0x3b0
[  402.704439]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.709293]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  402.714679] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  402.714684] warn_alloc_show_mem: 1 callbacks suppressed
[  402.714691] Mem-Info:
[  402.721700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  402.727074] active_anon:51179 inactive_anon:236 isolated_anon:0
[  402.727074]  active_file:17 inactive_file:9 isolated_file:0
[  402.727074]  unevictable:0 dirty:0 writeback:0 unstable:0
[  402.727074]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  402.727074]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  402.727074]  free:13694 free_pcp:258 free_cma:0
[  402.729447] Call Trace:
[  402.738836] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  402.771744]  <IRQ>
[  402.774336] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  402.801830]  dump_stack+0x244/0x39d
[  402.803972] lowmem_reserve[]: 0 2818 6321 6321
[  402.830080]  ? dump_stack_print_info.cold.1+0x20/0x20
[  402.833683] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  402.838271]  warn_alloc.cold.116+0xb7/0x1bd
[  402.843445] lowmem_reserve[]: 0 0 3503 3503
[  402.870607]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  402.874906] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  402.879231]  ? lock_downgrade+0x900/0x900
[  402.884043] lowmem_reserve[]: 0 0 0 0
[  402.913030]  ? trace_hardirqs_off+0xb8/0x310
[  402.917167] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  402.920966]  ? trace_hardirqs_off+0xb8/0x310
[  402.925362] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  402.938910]  __alloc_pages_slowpath+0x26e8/0x2e10
[  402.943295] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  402.958495]  ? warn_alloc+0x120/0x120
[  402.963297] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  402.977499]  ? print_usage_bug+0xc0/0xc0
[  402.981292] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  402.990117]  ? warn_alloc+0x120/0x120
[  402.994158] 309 total pagecache pages
[  403.002726]  ? warn_alloc+0x120/0x120
[  403.006542] 0 pages in swap cache
[  403.010326]  ? print_usage_bug+0xc0/0xc0
[  403.014107] Swap cache stats: add 0, delete 0, find 0/0
[  403.017576]  ? kvm_clock_read+0x18/0x30
[  403.021613] Free swap  = 0kB
[  403.026987]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  403.030955] Total swap = 0kB
[  403.033990]  ? print_usage_bug+0xc0/0xc0
[  403.038985] 1965979 pages RAM
[  403.041995]  ? __lock_acquire+0x62f/0x4c20
[  403.046036] 0 pages HighMem/MovableOnly
[  403.049145]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.053355] 342853 pages reserved
[  403.057322]  ? should_fail+0x22d/0xd01
[  403.062836] 0 pages cma reserved
[  403.066281]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.070205] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  403.073505]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.073520]  ? __lock_acquire+0x62f/0x4c20
[  403.073538]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.078857] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  403.085289]  ? __lock_acquire+0x62f/0x4c20
[  403.090367] syz-executor2 cpuset=syz2 mems_allowed=0
[  403.094593]  ? should_fail+0x22d/0xd01
[  403.123315]  ? rcu_irq_exit+0x1a2/0x390
[  403.127299]  ? mark_held_locks+0x130/0x130
[  403.131539]  ? mark_held_locks+0x130/0x130
[  403.135780]  ? mark_held_locks+0xc7/0x130
[  403.139952]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  403.144969]  ? zap_class+0x640/0x640
[  403.148683]  ? print_usage_bug+0xc0/0xc0
[  403.152766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.158310]  ? check_preemption_disabled+0x48/0x280
[  403.163336]  ? __lock_is_held+0xb5/0x140
[  403.167404]  __alloc_pages_nodemask+0xa80/0xde0
[  403.172076]  ? zap_class+0x640/0x640
[  403.175800]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  403.180829]  ? find_held_lock+0x36/0x1c0
[  403.184899]  ? ____cache_alloc_node+0x1c7/0x1e0
[  403.189569]  ? lock_downgrade+0x900/0x900
[  403.193729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.199288]  cache_grow_begin+0xa5/0x8c0
[  403.203351]  ? do_raw_spin_unlock+0xa7/0x330
[  403.207786]  fallback_alloc+0x204/0x2e0
[  403.211796]  ____cache_alloc_node+0x1c7/0x1e0
[  403.216299]  kmem_cache_alloc_node+0xe3/0x730
[  403.220814]  ? ipv6_get_ifaddr+0x42e/0x620
[  403.225083]  __alloc_skb+0x119/0x770
[  403.228791]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.234090]  ? netdev_alloc_frag+0x1f0/0x1f0
[  403.238498]  ? lock_downgrade+0x900/0x900
[  403.242653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.248192]  ? refcount_sub_and_test_checked+0x203/0x310
[  403.253647]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  403.259101]  ? addrconf_rs_timer+0x690/0x690
[  403.263523]  ndisc_alloc_skb+0x144/0x340
[  403.267588]  ndisc_send_rs+0x331/0x6e0
[  403.271495]  addrconf_rs_timer+0x314/0x690
[  403.275740]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.280000]  call_timer_fn+0x272/0x920
[  403.283898]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.288137]  ? process_timeout+0x40/0x40
[  403.292213]  ? mark_held_locks+0xc7/0x130
[  403.296365]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.300857]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.305353]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.309588]  ? lockdep_hardirqs_on+0x296/0x5b0
[  403.314177]  ? trace_hardirqs_on+0xbd/0x310
[  403.318517]  ? kasan_check_read+0x11/0x20
[  403.322663]  ? __run_timers+0x7da/0xc70
[  403.326644]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.331752]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.335991]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.340252]  __run_timers+0x7e5/0xc70
[  403.344068]  ? timer_fixup_init+0x70/0x70
[  403.348222]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  403.353242]  ? zap_class+0x640/0x640
[  403.356966]  ? print_usage_bug+0xc0/0xc0
[  403.361043]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  403.366242]  ? find_held_lock+0x36/0x1c0
[  403.370313]  ? zap_class+0x640/0x640
[  403.374045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.379586]  ? check_preemption_disabled+0x48/0x280
[  403.384618]  ? __lock_is_held+0xb5/0x140
[  403.388684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.394223]  ? check_preemption_disabled+0x48/0x280
[  403.399245]  run_timer_softirq+0x52/0xb0
[  403.403308]  ? rcu_read_lock_sched_held+0x14f/0x180
[  403.408327]  __do_softirq+0x308/0xb7e
[  403.412133]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  403.416632]  ? lock_downgrade+0x900/0x900
[  403.420785]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  403.425930]  ? pvclock_read_flags+0x160/0x160
[  403.430430]  ? lapic_next_event+0x5a/0x90
[  403.434613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.440160]  ? kvm_clock_read+0x18/0x30
[  403.444139]  ? kvm_sched_clock_read+0x9/0x20
[  403.448551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.454110]  ? check_preemption_disabled+0x48/0x280
[  403.459140]  irq_exit+0x17f/0x1c0
[  403.462612]  smp_apic_timer_interrupt+0x1cb/0x760
[  403.467457]  ? smp_reschedule_interrupt+0x109/0x650
[  403.472478]  ? smp_call_function_single_interrupt+0x650/0x650
[  403.478362]  ? interrupt_entry+0xb5/0xc0
[  403.482431]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.487448]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.492467]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.497313]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.502328]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.507343]  ? task_prio+0x50/0x50
[  403.510885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.516424]  ? check_preemption_disabled+0x48/0x280
[  403.521449]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.526315]  apic_timer_interrupt+0xf/0x20
[  403.530542]  </IRQ>
[  403.532800] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  403.537998] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  403.556909] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  403.564638] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  403.571903] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  403.579170] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  403.586439] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  403.593705] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  403.601004]  retint_kernel+0x1b/0x2d
[  403.604737] RIP: 0010:dump_stack+0x358/0x39d
[  403.609162] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  403.628081] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  403.635800] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  403.643093] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  403.650372] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  403.657650] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  403.664942] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  403.672225]  ? dump_stack+0x34f/0x39d
[  403.676056]  ? dump_stack_print_info.cold.1+0x20/0x20
[  403.681256]  ? mark_held_locks+0x130/0x130
[  403.685491]  ? mark_held_locks+0x130/0x130
[  403.689763]  dump_header+0x27b/0xf72
[  403.693488]  ? pagefault_out_of_memory+0x197/0x197
[  403.698425]  ? __lock_acquire+0x62f/0x4c20
[  403.702663]  ? percpu_ref_get_many+0x240/0x240
[  403.707248]  ? print_usage_bug+0xc0/0xc0
[  403.711319]  ? zap_class+0x640/0x640
[  403.715047]  ? print_usage_bug+0xc0/0xc0
[  403.719114]  ? print_usage_bug+0xc0/0xc0
[  403.723176]  ? zap_class+0x640/0x640
[  403.726930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.732502]  ? find_held_lock+0x36/0x1c0
[  403.736577]  ? mark_held_locks+0xc7/0x130
[  403.740742]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  403.745844]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  403.750953]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  403.755543]  ? trace_hardirqs_on+0xbd/0x310
[  403.759867]  ? kasan_check_read+0x11/0x20
[  403.764046]  ? ___ratelimit+0x3b4/0x672
[  403.768053]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.773162]  ? trace_hardirqs_on+0x310/0x310
[  403.777571]  ? lock_downgrade+0x900/0x900
[  403.781743]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  403.786851]  ? ___ratelimit+0x3b9/0x672
[  403.790831]  ? idr_get_free+0xf70/0xf70
[  403.794818]  ? find_held_lock+0x36/0x1c0
[  403.798889]  oom_kill_process.cold.27+0x10/0x903
[  403.803644]  ? zap_class+0x640/0x640
[  403.807363]  ? check_preemption_disabled+0x48/0x280
[  403.812386]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  403.817318]  ? kasan_check_read+0x11/0x20
[  403.821470]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.826753]  ? oom_evaluate_task+0x540/0x540
[  403.831171]  ? find_held_lock+0x36/0x1c0
[  403.835245]  ? out_of_memory+0x974/0x1430
[  403.839398]  ? lock_downgrade+0x900/0x900
[  403.843545]  ? check_preemption_disabled+0x48/0x280
[  403.848568]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  403.853501]  ? kasan_check_read+0x11/0x20
[  403.857649]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.862941]  ? rcu_softirq_qs+0x20/0x20
[  403.866920]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.872456]  ? oom_evaluate_task+0x302/0x540
[  403.876868]  out_of_memory+0xa84/0x1430
[  403.880854]  ? oom_killer_disable+0x3a0/0x3a0
[  403.885352]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  403.890290]  ? __ww_mutex_check_waiters+0x160/0x160
[  403.895320]  __alloc_pages_slowpath+0x2354/0x2e10
[  403.900192]  ? warn_alloc+0x120/0x120
[  403.903996]  ? mark_held_locks+0x130/0x130
[  403.908246]  ? find_get_entry+0xaae/0x1120
[  403.912495]  ? filemap_map_pages+0x1a20/0x1a20
[  403.917112]  ? zap_class+0x640/0x640
[  403.920848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.926386]  ? check_preemption_disabled+0x48/0x280
[  403.931408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.936945]  ? should_fail+0x22d/0xd01
[  403.940840]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.945975]  ? zap_class+0x640/0x640
[  403.949716]  ? __lock_is_held+0xb5/0x140
[  403.953806]  ? mark_held_locks+0x130/0x130
[  403.958103]  ? lock_release+0xa00/0xa00
[  403.962080]  ? perf_trace_sched_process_exec+0x860/0x860
[  403.967547]  ? xa_load+0x2ba/0x460
[  403.971102]  ? lock_downgrade+0x900/0x900
[  403.975261]  ? __might_sleep+0x95/0x190
[  403.979242]  __alloc_pages_nodemask+0xa80/0xde0
[  403.983919]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  403.988941]  ? __page_cache_alloc+0x191/0x5c0
[  403.993439]  ? xa_load+0x2e1/0x460
[  403.996985]  ? xa_clear_mark+0x40/0x40
[  404.000886]  ? zap_class+0x640/0x640
[  404.004626]  ? zap_class+0x640/0x640
[  404.008343]  ? zap_class+0x640/0x640
[  404.012065]  ? __do_page_cache_readahead+0x663/0x810
[  404.017178]  ? find_held_lock+0x36/0x1c0
[  404.021244]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  404.026792]  alloc_pages_current+0x173/0x350
[  404.031217]  __page_cache_alloc+0x38c/0x5c0
[  404.035537]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.040466]  ? kasan_check_read+0x11/0x20
[  404.044615]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.049896]  ? generic_perform_write+0x6a0/0x6a0
[  404.054654]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.060205]  ? check_preemption_disabled+0x48/0x280
[  404.065235]  filemap_fault+0x1595/0x25f0
[  404.069310]  ? __lock_page_or_retry+0xa00/0xa00
[  404.073981]  ? mark_held_locks+0x130/0x130
[  404.078248]  ? filemap_map_pages+0xd6b/0x1a20
[  404.082748]  ? lock_downgrade+0x900/0x900
[  404.086897]  ? check_preemption_disabled+0x48/0x280
[  404.091920]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.096850]  ? kasan_check_read+0x11/0x20
[  404.100999]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.106289]  ? rcu_softirq_qs+0x20/0x20
[  404.110279]  ? filemap_map_pages+0xd92/0x1a20
[  404.114790]  ? find_get_entries_tag+0x1400/0x1400
[  404.119635]  ? ep_scan_ready_list+0xbc7/0x1050
[  404.124223]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.129350]  ? lock_acquire+0x1ed/0x520
[  404.133326]  ? ext4_filemap_fault+0x7a/0xad
[  404.137655]  ? lock_release+0xa00/0xa00
[  404.141629]  ? perf_trace_sched_process_exec+0x860/0x860
[  404.147258]  ? print_usage_bug+0xc0/0xc0
[  404.151323]  ? print_usage_bug+0xc0/0xc0
[  404.155402]  ? down_read+0x8d/0x120
[  404.159049]  ? ext4_filemap_fault+0x7a/0xad
[  404.163378]  ? __down_interruptible+0x700/0x700
[  404.168070]  ext4_filemap_fault+0x82/0xad
[  404.172235]  __do_fault+0x100/0x6b0
[  404.175869]  ? pmd_devmap_trans_unstable+0x220/0x220
[  404.181067]  ? mark_held_locks+0x130/0x130
[  404.185307]  ? mark_held_locks+0x130/0x130
[  404.189542]  ? kasan_check_read+0x11/0x20
[  404.193693]  ? ep_poll+0xffa/0x13d0
[  404.197326]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.202439]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.208001]  __handle_mm_fault+0x3ea0/0x5be0
[  404.212422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.217970]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  404.222819]  ? do_epoll_create+0x590/0x590
[  404.227060]  ? kasan_check_read+0x11/0x20
[  404.231209]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.236486]  ? rcu_softirq_qs+0x20/0x20
[  404.240472]  ? zap_class+0x640/0x640
[  404.244189]  ? zap_class+0x640/0x640
[  404.247908]  ? find_held_lock+0x36/0x1c0
[  404.251982]  ? handle_mm_fault+0x42a/0xc70
[  404.256225]  ? lock_downgrade+0x900/0x900
[  404.260377]  ? check_preemption_disabled+0x48/0x280
[  404.265399]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.270329]  ? kasan_check_read+0x11/0x20
[  404.274474]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.279751]  ? rcu_softirq_qs+0x20/0x20
[  404.283728]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.288836]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.294375]  ? check_preemption_disabled+0x48/0x280
[  404.299402]  handle_mm_fault+0x54f/0xc70
[  404.303469]  ? __handle_mm_fault+0x5be0/0x5be0
[  404.308063]  ? find_vma+0x34/0x190
[  404.311613]  __do_page_fault+0x5e8/0xe60
[  404.315679]  ? trace_hardirqs_off+0xb8/0x310
[  404.320090]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  404.325648]  do_page_fault+0xf2/0x7e0
[  404.329454]  ? vmalloc_sync_all+0x30/0x30
[  404.333621]  ? error_entry+0x70/0xd0
[  404.337341]  ? trace_hardirqs_off_caller+0xbb/0x310
[  404.342356]  ? trace_hardirqs_on_caller+0xc0/0x310
[  404.347288]  ? syscall_return_slowpath+0x5e0/0x5e0
[  404.352218]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.357075]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.362111]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  404.367619]  ? prepare_exit_to_usermode+0x291/0x3b0
[  404.372638]  ? page_fault+0x8/0x30
[  404.376204]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.381068]  ? page_fault+0x8/0x30
[  404.384617]  page_fault+0x1e/0x30
[  404.388068] RIP: 0033:0x45df89
[  404.391280] Code: Bad RIP value.
[  404.394644] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  404.400008] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  404.407287] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  404.414556] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  404.421823] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  404.429091] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  404.436390] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  404.436456] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  404.443755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  404.443760] Call Trace:
[  404.443767]  <IRQ>
[  404.443785]  dump_stack+0x244/0x39d
[  404.443804]  ? dump_stack_print_info.cold.1+0x20/0x20
[  404.450330] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  404.459647]  warn_alloc.cold.116+0xb7/0x1bd
[  404.462200] syz-fuzzer cpuset=/ mems_allowed=0
[  404.464344]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  404.497046]  ? lock_downgrade+0x900/0x900
[  404.501211]  ? trace_hardirqs_off+0xb8/0x310
[  404.505628]  ? trace_hardirqs_off+0xb8/0x310
[  404.510052]  __alloc_pages_slowpath+0x26e8/0x2e10
[  404.514929]  ? warn_alloc+0x120/0x120
[  404.518736]  ? print_usage_bug+0xc0/0xc0
[  404.522799]  ? warn_alloc+0x120/0x120
[  404.526607]  ? warn_alloc+0x120/0x120
[  404.530411]  ? print_usage_bug+0xc0/0xc0
[  404.534496]  ? print_usage_bug+0xc0/0xc0
[  404.538563]  ? __lock_acquire+0x62f/0x4c20
[  404.542809]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.548349]  ? should_fail+0x22d/0xd01
[  404.552242]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.557347]  ? __lock_acquire+0x62f/0x4c20
[  404.561587]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.566708]  ? __lock_acquire+0x62f/0x4c20
[  404.570944]  ? should_fail+0x22d/0xd01
[  404.574832]  ? find_held_lock+0x36/0x1c0
[  404.578901]  ? mark_held_locks+0x130/0x130
[  404.583141]  ? mark_held_locks+0x130/0x130
[  404.587375]  ? zap_class+0x640/0x640
[  404.591089]  ? zap_class+0x640/0x640
[  404.594806]  ? print_usage_bug+0xc0/0xc0
[  404.598913]  ? do_raw_spin_unlock+0xa7/0x330
[  404.603333]  ? zap_class+0x640/0x640
[  404.607051]  ? print_usage_bug+0xc0/0xc0
[  404.611297]  ? wq_watchdog_touch+0x9c/0xfe
[  404.615543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.621101]  ? check_preemption_disabled+0x48/0x280
[  404.626156]  ? __lock_is_held+0xb5/0x140
[  404.630227]  __alloc_pages_nodemask+0xa80/0xde0
[  404.634902]  ? zap_class+0x640/0x640
[  404.638631]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  404.643664]  ? find_held_lock+0x36/0x1c0
[  404.647737]  ? ____cache_alloc_node+0x1c7/0x1e0
[  404.652409]  ? lock_downgrade+0x900/0x900
[  404.656570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.662115]  cache_grow_begin+0xa5/0x8c0
[  404.666182]  ? do_raw_spin_unlock+0xa7/0x330
[  404.670605]  fallback_alloc+0x204/0x2e0
[  404.674592]  ____cache_alloc_node+0x1c7/0x1e0
[  404.679094]  kmem_cache_alloc_node+0xe3/0x730
[  404.683591]  ? ipv6_get_ifaddr+0x42e/0x620
[  404.687840]  __alloc_skb+0x119/0x770
[  404.691558]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.696840]  ? netdev_alloc_frag+0x1f0/0x1f0
[  404.701249]  ? lock_downgrade+0x900/0x900
[  404.705405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.710943]  ? refcount_sub_and_test_checked+0x203/0x310
[  404.716400]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  404.721850]  ? addrconf_rs_timer+0x690/0x690
[  404.726274]  ndisc_alloc_skb+0x144/0x340
[  404.730341]  ndisc_send_rs+0x331/0x6e0
[  404.734235]  addrconf_rs_timer+0x314/0x690
[  404.738478]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.742724]  call_timer_fn+0x272/0x920
[  404.747077]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.751314]  ? process_timeout+0x40/0x40
[  404.755383]  ? __run_timers+0x7da/0xc70
[  404.759362]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.763856]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.768351]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.772596]  ? lockdep_hardirqs_on+0x296/0x5b0
[  404.777186]  ? trace_hardirqs_on+0xbd/0x310
[  404.781561]  ? kasan_check_read+0x11/0x20
[  404.785712]  ? __run_timers+0x7da/0xc70
[  404.789688]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.794797]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.799043]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.803276]  __run_timers+0x7e5/0xc70
[  404.807087]  ? timer_fixup_init+0x70/0x70
[  404.811238]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  404.816257]  ? zap_class+0x640/0x640
[  404.819977]  ? enqueue_hrtimer+0x1a5/0x560
[  404.824217]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  404.829417]  ? find_held_lock+0x36/0x1c0
[  404.833487]  ? zap_class+0x640/0x640
[  404.837208]  ? pvclock_read_flags+0x160/0x160
[  404.841709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.847251]  ? check_preemption_disabled+0x48/0x280
[  404.852281]  ? __lock_is_held+0xb5/0x140
[  404.856349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.861888]  ? check_preemption_disabled+0x48/0x280
[  404.866912]  run_timer_softirq+0x52/0xb0
[  404.870975]  ? rcu_read_lock_sched_held+0x14f/0x180
[  404.875992]  __do_softirq+0x308/0xb7e
[  404.879805]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  404.884299]  ? lock_downgrade+0x900/0x900
[  404.888455]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  404.893569]  ? pvclock_read_flags+0x160/0x160
[  404.898073]  ? lapic_next_event+0x5a/0x90
[  404.902228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.907771]  ? kvm_clock_read+0x18/0x30
[  404.911750]  ? kvm_sched_clock_read+0x9/0x20
[  404.916165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.921704]  ? check_preemption_disabled+0x48/0x280
[  404.926734]  irq_exit+0x17f/0x1c0
[  404.930193]  smp_apic_timer_interrupt+0x1cb/0x760
[  404.935040]  ? smp_reschedule_interrupt+0x109/0x650
[  404.940058]  ? smp_call_function_single_interrupt+0x650/0x650
[  404.945942]  ? interrupt_entry+0xb5/0xc0
[  404.950005]  ? trace_hardirqs_off_caller+0xbb/0x310
[  404.955036]  ? trace_hardirqs_off_caller+0xbb/0x310
[  404.960056]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.964900]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.969919]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.974950]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.979801]  apic_timer_interrupt+0xf/0x20
[  404.984035]  </IRQ>
[  404.986279] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  404.991208] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  405.010117] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  405.017826] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  405.025094] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  405.032360] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  405.039624] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  405.046906] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  405.054212]  skb_clone+0x1bb/0x500
[  405.057755]  ? finish_task_switch+0x2f4/0x910
[  405.062251]  ? skb_split+0x11e0/0x11e0
[  405.066142]  ? preempt_notifier_register+0x200/0x200
[  405.071243]  ? __switch_to_asm+0x34/0x70
[  405.075302]  ? __switch_to_asm+0x34/0x70
[  405.079376]  ? __switch_to_asm+0x40/0x70
[  405.083437]  ? __switch_to_asm+0x34/0x70
[  405.087495]  ? __switch_to_asm+0x40/0x70
[  405.091563]  ? __switch_to_asm+0x34/0x70
[  405.095621]  ? __switch_to_asm+0x40/0x70
[  405.099688]  ? __switch_to_asm+0x34/0x70
[  405.103748]  ? __switch_to_asm+0x34/0x70
[  405.107808]  ? __switch_to_asm+0x40/0x70
[  405.111867]  ? __switch_to_asm+0x34/0x70
[  405.115935]  bpf_clone_redirect+0xb9/0x490
[  405.120173]  ? __schedule+0x8d7/0x21d0
[  405.124071]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  405.129092]  ? __sched_text_start+0x8/0x8
[  405.133263]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  405.137844]  ? retint_kernel+0x2d/0x2d
[  405.141734]  ? trace_hardirqs_on_caller+0xc0/0x310
[  405.146668]  ? find_held_lock+0x36/0x1c0
[  405.150740]  ? lock_acquire+0x1ed/0x520
[  405.154717]  ? bpf_test_run+0x3cb/0x780
[  405.158693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.164232]  ? check_preemption_disabled+0x48/0x280
[  405.169259]  ? kasan_check_read+0x11/0x20
[  405.173408]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.178685]  ? rcu_softirq_qs+0x20/0x20
[  405.182661]  ? preempt_schedule+0x4d/0x60
[  405.186810]  ? ___preempt_schedule+0x16/0x18
[  405.191233]  ? bpf_test_run+0x25d/0x780
[  405.195219]  ? netlink_diag_dump+0x2a0/0x2a0
[  405.199636]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.205175]  ? bpf_test_init.isra.10+0x70/0x100
[  405.209854]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  405.214625]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  405.219468]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  405.225006]  ? fput+0x130/0x1a0
[  405.228298]  ? __bpf_prog_get+0x9b/0x290
[  405.232365]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  405.237205]  ? bpf_prog_test_run+0x130/0x1a0
[  405.241620]  ? __x64_sys_bpf+0x3d8/0x520
[  405.245685]  ? bpf_prog_get+0x20/0x20
[  405.249506]  ? do_syscall_64+0x1b9/0x820
[  405.253576]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  405.258940]  ? syscall_return_slowpath+0x5e0/0x5e0
[  405.263870]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.268718]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.273735]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  405.278757]  ? prepare_exit_to_usermode+0x291/0x3b0
[  405.283781]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.288634]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  405.294022] warn_alloc_show_mem: 1 callbacks suppressed
[  405.294035] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  405.294036] Mem-Info:
[  405.294049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  405.299420] active_anon:51179 inactive_anon:236 isolated_anon:0
[  405.299420]  active_file:17 inactive_file:9 isolated_file:0
[  405.299420]  unevictable:0 dirty:0 writeback:0 unstable:0
[  405.299420]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  405.299420]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  405.299420]  free:13694 free_pcp:258 free_cma:0
[  405.306409] Call Trace:
[  405.308833] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  405.318180]  <IRQ>
[  405.350977] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  405.353565]  dump_stack+0x244/0x39d
[  405.381041] lowmem_reserve[]: 0 2818 6321 6321
[  405.383212]  ? dump_stack_print_info.cold.1+0x20/0x20
[  405.409290] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  405.412920]  warn_alloc.cold.116+0xb7/0x1bd
[  405.417486] lowmem_reserve[]: 0 0 3503 3503
[  405.422670]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  405.449796] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  405.454118]  ? lock_downgrade+0x900/0x900
[  405.458412] lowmem_reserve[]: 0 0 0 0
[  405.463253]  ? trace_hardirqs_off+0xb8/0x310
[  405.492202] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  405.496346]  ? trace_hardirqs_off+0xb8/0x310
[  405.500124] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  405.504531]  __alloc_pages_slowpath+0x26e8/0x2e10
[  405.518034] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  405.522463]  ? warn_alloc+0x120/0x120
[  405.537598] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  405.542429]  ? print_usage_bug+0xc0/0xc0
[  405.556626] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  405.560414]  ? warn_alloc+0x120/0x120
[  405.569224] 309 total pagecache pages
[  405.573310]  ? warn_alloc+0x120/0x120
[  405.581882] 0 pages in swap cache
[  405.585676]  ? print_usage_bug+0xc0/0xc0
[  405.589454] Swap cache stats: add 0, delete 0, find 0/0
[  405.593262]  ? print_usage_bug+0xc0/0xc0
[  405.596691] Free swap  = 0kB
[  405.600747]  ? __lock_acquire+0x62f/0x4c20
[  405.606087] Total swap = 0kB
[  405.610150]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.613140] 1965979 pages RAM
[  405.617387]  ? should_fail+0x22d/0xd01
[  405.620381] 0 pages HighMem/MovableOnly
[  405.625916]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.628997] 342853 pages reserved
[  405.632884]  ? __lock_acquire+0x62f/0x4c20
[  405.636830] 0 pages cma reserved
[  405.641931]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.645424] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  405.649583]  ? __lock_acquire+0x62f/0x4c20
[  405.649600]  ? should_fail+0x22d/0xd01
[  405.653090] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  405.658117]  ? find_held_lock+0x36/0x1c0
[  405.664587] syz-executor2 cpuset=syz2 mems_allowed=0
[  405.668823]  ? mark_held_locks+0x130/0x130
[  405.696522]  ? mark_held_locks+0x130/0x130
[  405.700771]  ? zap_class+0x640/0x640
[  405.704488]  ? zap_class+0x640/0x640
[  405.708208]  ? print_usage_bug+0xc0/0xc0
[  405.712269]  ? do_raw_spin_unlock+0xa7/0x330
[  405.716681]  ? zap_class+0x640/0x640
[  405.720399]  ? print_usage_bug+0xc0/0xc0
[  405.724460]  ? wq_watchdog_touch+0x9c/0xfe
[  405.728700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.734240]  ? check_preemption_disabled+0x48/0x280
[  405.739268]  ? __lock_is_held+0xb5/0x140
[  405.743343]  __alloc_pages_nodemask+0xa80/0xde0
[  405.748023]  ? zap_class+0x640/0x640
[  405.751752]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  405.756783]  ? find_held_lock+0x36/0x1c0
[  405.760859]  ? ____cache_alloc_node+0x1c7/0x1e0
[  405.765531]  ? lock_downgrade+0x900/0x900
[  405.769702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.775250]  cache_grow_begin+0xa5/0x8c0
[  405.779314]  ? do_raw_spin_unlock+0xa7/0x330
[  405.783732]  fallback_alloc+0x204/0x2e0
[  405.787719]  ____cache_alloc_node+0x1c7/0x1e0
[  405.792226]  kmem_cache_alloc_node+0xe3/0x730
[  405.796723]  ? ipv6_get_ifaddr+0x42e/0x620
[  405.800969]  __alloc_skb+0x119/0x770
[  405.804686]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.809969]  ? netdev_alloc_frag+0x1f0/0x1f0
[  405.814402]  ? lock_downgrade+0x900/0x900
[  405.818563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.824121]  ? refcount_sub_and_test_checked+0x203/0x310
[  405.829578]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  405.835049]  ? addrconf_rs_timer+0x690/0x690
[  405.839475]  ndisc_alloc_skb+0x144/0x340
[  405.843543]  ndisc_send_rs+0x331/0x6e0
[  405.847437]  addrconf_rs_timer+0x314/0x690
[  405.851684]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.855931]  call_timer_fn+0x272/0x920
[  405.859819]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.864059]  ? process_timeout+0x40/0x40
[  405.868134]  ? mark_held_locks+0xc7/0x130
[  405.872284]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.876777]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.881271]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.885509]  ? lockdep_hardirqs_on+0x296/0x5b0
[  405.890102]  ? trace_hardirqs_on+0xbd/0x310
[  405.894424]  ? kasan_check_read+0x11/0x20
[  405.898574]  ? __run_timers+0x7da/0xc70
[  405.902549]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.907661]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.911905]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.916138]  __run_timers+0x7e5/0xc70
[  405.919953]  ? timer_fixup_init+0x70/0x70
[  405.924107]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  405.929125]  ? zap_class+0x640/0x640
[  405.932848]  ? print_usage_bug+0xc0/0xc0
[  405.936911]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  405.942115]  ? find_held_lock+0x36/0x1c0
[  405.946182]  ? zap_class+0x640/0x640
[  405.949908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.955449]  ? check_preemption_disabled+0x48/0x280
[  405.960478]  ? __lock_is_held+0xb5/0x140
[  405.964546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.970088]  ? check_preemption_disabled+0x48/0x280
[  405.975114]  run_timer_softirq+0x52/0xb0
[  405.979179]  ? rcu_read_lock_sched_held+0x14f/0x180
[  405.984202]  __do_softirq+0x308/0xb7e
[  405.988011]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  405.992518]  ? lock_downgrade+0x900/0x900
[  405.996674]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  406.001791]  ? pvclock_read_flags+0x160/0x160
[  406.006297]  ? lapic_next_event+0x5a/0x90
[  406.010449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.015995]  ? kvm_clock_read+0x18/0x30
[  406.019980]  ? kvm_sched_clock_read+0x9/0x20
[  406.024399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.029939]  ? check_preemption_disabled+0x48/0x280
[  406.034971]  irq_exit+0x17f/0x1c0
[  406.038427]  smp_apic_timer_interrupt+0x1cb/0x760
[  406.043271]  ? smp_reschedule_interrupt+0x109/0x650
[  406.048292]  ? smp_call_function_single_interrupt+0x650/0x650
[  406.054178]  ? interrupt_entry+0xb5/0xc0
[  406.058244]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.063260]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.068278]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.073125]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.078143]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.083162]  ? task_prio+0x50/0x50
[  406.086711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.092252]  ? check_preemption_disabled+0x48/0x280
[  406.097276]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.102133]  apic_timer_interrupt+0xf/0x20
[  406.106366]  </IRQ>
[  406.108608] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  406.113799] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  406.132731] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  406.140440] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  406.147706] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  406.154978] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  406.162244] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  406.169512] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  406.176821]  retint_kernel+0x1b/0x2d
[  406.180538] RIP: 0010:dump_stack+0x358/0x39d
[  406.184951] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  406.203849] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  406.211558] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  406.218828] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  406.226094] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  406.233363] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  406.240630] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  406.247925]  ? dump_stack+0x34f/0x39d
[  406.251744]  ? dump_stack_print_info.cold.1+0x20/0x20
[  406.256941]  ? mark_held_locks+0x130/0x130
[  406.261178]  ? mark_held_locks+0x130/0x130
[  406.265423]  dump_header+0x27b/0xf72
[  406.269151]  ? pagefault_out_of_memory+0x197/0x197
[  406.274093]  ? __lock_acquire+0x62f/0x4c20
[  406.278330]  ? percpu_ref_get_many+0x240/0x240
[  406.282916]  ? print_usage_bug+0xc0/0xc0
[  406.286984]  ? zap_class+0x640/0x640
[  406.290713]  ? print_usage_bug+0xc0/0xc0
[  406.294774]  ? print_usage_bug+0xc0/0xc0
[  406.298837]  ? zap_class+0x640/0x640
[  406.302560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.308108]  ? find_held_lock+0x36/0x1c0
[  406.312180]  ? mark_held_locks+0xc7/0x130
[  406.316333]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  406.321435]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  406.326541]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  406.331129]  ? trace_hardirqs_on+0xbd/0x310
[  406.335453]  ? kasan_check_read+0x11/0x20
[  406.339602]  ? ___ratelimit+0x3b4/0x672
[  406.343582]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.348691]  ? trace_hardirqs_on+0x310/0x310
[  406.353103]  ? lock_downgrade+0x900/0x900
[  406.357256]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  406.362366]  ? ___ratelimit+0x3b9/0x672
[  406.366343]  ? idr_get_free+0xf70/0xf70
[  406.370323]  ? find_held_lock+0x36/0x1c0
[  406.374400]  oom_kill_process.cold.27+0x10/0x903
[  406.379160]  ? zap_class+0x640/0x640
[  406.382881]  ? check_preemption_disabled+0x48/0x280
[  406.387911]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.392844]  ? kasan_check_read+0x11/0x20
[  406.396991]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.402283]  ? oom_evaluate_task+0x540/0x540
[  406.406702]  ? find_held_lock+0x36/0x1c0
[  406.410772]  ? out_of_memory+0x974/0x1430
[  406.414936]  ? lock_downgrade+0x900/0x900
[  406.419084]  ? check_preemption_disabled+0x48/0x280
[  406.424105]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.429053]  ? kasan_check_read+0x11/0x20
[  406.433202]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.438480]  ? rcu_softirq_qs+0x20/0x20
[  406.442464]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.448001]  ? oom_evaluate_task+0x302/0x540
[  406.452432]  out_of_memory+0xa84/0x1430
[  406.456418]  ? oom_killer_disable+0x3a0/0x3a0
[  406.460953]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  406.465887]  ? __ww_mutex_check_waiters+0x160/0x160
[  406.470922]  __alloc_pages_slowpath+0x2354/0x2e10
[  406.475826]  ? warn_alloc+0x120/0x120
[  406.479629]  ? mark_held_locks+0x130/0x130
[  406.483873]  ? find_get_entry+0xaae/0x1120
[  406.488119]  ? filemap_map_pages+0x1a20/0x1a20
[  406.492706]  ? zap_class+0x640/0x640
[  406.496429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.501972]  ? check_preemption_disabled+0x48/0x280
[  406.506995]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.512547]  ? should_fail+0x22d/0xd01
[  406.516479]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.521582]  ? zap_class+0x640/0x640
[  406.525330]  ? __lock_is_held+0xb5/0x140
[  406.529399]  ? mark_held_locks+0x130/0x130
[  406.533638]  ? lock_release+0xa00/0xa00
[  406.537615]  ? perf_trace_sched_process_exec+0x860/0x860
[  406.543088]  ? xa_load+0x2ba/0x460
[  406.546631]  ? lock_downgrade+0x900/0x900
[  406.550803]  ? __might_sleep+0x95/0x190
[  406.554784]  __alloc_pages_nodemask+0xa80/0xde0
[  406.559463]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  406.564485]  ? __page_cache_alloc+0x191/0x5c0
[  406.568983]  ? xa_load+0x2e1/0x460
[  406.572535]  ? xa_clear_mark+0x40/0x40
[  406.576429]  ? zap_class+0x640/0x640
[  406.580155]  ? zap_class+0x640/0x640
[  406.583874]  ? zap_class+0x640/0x640
[  406.587593]  ? __do_page_cache_readahead+0x663/0x810
[  406.592704]  ? find_held_lock+0x36/0x1c0
[  406.596776]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  406.602321]  alloc_pages_current+0x173/0x350
[  406.606740]  __page_cache_alloc+0x38c/0x5c0
[  406.611525]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.616455]  ? kasan_check_read+0x11/0x20
[  406.620633]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.625914]  ? generic_perform_write+0x6a0/0x6a0
[  406.630680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.636223]  ? check_preemption_disabled+0x48/0x280
[  406.641248]  filemap_fault+0x1595/0x25f0
[  406.645323]  ? __lock_page_or_retry+0xa00/0xa00
[  406.649994]  ? mark_held_locks+0x130/0x130
[  406.654248]  ? filemap_map_pages+0xd6b/0x1a20
[  406.658744]  ? lock_downgrade+0x900/0x900
[  406.662895]  ? check_preemption_disabled+0x48/0x280
[  406.667919]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.672847]  ? kasan_check_read+0x11/0x20
[  406.676998]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.682291]  ? rcu_softirq_qs+0x20/0x20
[  406.686281]  ? filemap_map_pages+0xd92/0x1a20
[  406.690797]  ? find_get_entries_tag+0x1400/0x1400
[  406.695647]  ? ep_scan_ready_list+0xbc7/0x1050
[  406.700235]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.705359]  ? lock_acquire+0x1ed/0x520
[  406.709334]  ? ext4_filemap_fault+0x7a/0xad
[  406.713662]  ? lock_release+0xa00/0xa00
[  406.717639]  ? perf_trace_sched_process_exec+0x860/0x860
[  406.723094]  ? print_usage_bug+0xc0/0xc0
[  406.727162]  ? print_usage_bug+0xc0/0xc0
[  406.731239]  ? down_read+0x8d/0x120
[  406.734867]  ? ext4_filemap_fault+0x7a/0xad
[  406.739193]  ? __down_interruptible+0x700/0x700
[  406.744010]  ext4_filemap_fault+0x82/0xad
[  406.748191]  __do_fault+0x100/0x6b0
[  406.751828]  ? pmd_devmap_trans_unstable+0x220/0x220
[  406.756937]  ? mark_held_locks+0x130/0x130
[  406.761181]  ? mark_held_locks+0x130/0x130
[  406.765419]  ? kasan_check_read+0x11/0x20
[  406.769574]  ? ep_poll+0xffa/0x13d0
[  406.773210]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.778338]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.783891]  __handle_mm_fault+0x3ea0/0x5be0
[  406.788305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.793852]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  406.798701]  ? do_epoll_create+0x590/0x590
[  406.802942]  ? kasan_check_read+0x11/0x20
[  406.807093]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.812371]  ? rcu_softirq_qs+0x20/0x20
[  406.816364]  ? zap_class+0x640/0x640
[  406.820081]  ? zap_class+0x640/0x640
[  406.823806]  ? find_held_lock+0x36/0x1c0
[  406.827879]  ? handle_mm_fault+0x42a/0xc70
[  406.832118]  ? lock_downgrade+0x900/0x900
[  406.836268]  ? check_preemption_disabled+0x48/0x280
[  406.841293]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.846224]  ? kasan_check_read+0x11/0x20
[  406.850372]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.855649]  ? rcu_softirq_qs+0x20/0x20
[  406.859624]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.864753]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.870296]  ? check_preemption_disabled+0x48/0x280
[  406.875331]  handle_mm_fault+0x54f/0xc70
[  406.879403]  ? __handle_mm_fault+0x5be0/0x5be0
[  406.883990]  ? find_vma+0x34/0x190
[  406.887546]  __do_page_fault+0x5e8/0xe60
[  406.891611]  ? trace_hardirqs_off+0xb8/0x310
[  406.896029]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  406.901586]  do_page_fault+0xf2/0x7e0
[  406.905389]  ? vmalloc_sync_all+0x30/0x30
[  406.909541]  ? error_entry+0x70/0xd0
[  406.913259]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.918276]  ? trace_hardirqs_on_caller+0xc0/0x310
[  406.923210]  ? syscall_return_slowpath+0x5e0/0x5e0
[  406.928145]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.932988]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.938012]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  406.943487]  ? prepare_exit_to_usermode+0x291/0x3b0
[  406.948506]  ? page_fault+0x8/0x30
[  406.952058]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.956906]  ? page_fault+0x8/0x30
[  406.960452]  page_fault+0x1e/0x30
[  406.963904] RIP: 0033:0x45df89
[  406.967109] Code: Bad RIP value.
[  406.970469] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  406.975828] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  406.983096] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  406.990365] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  406.997632] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  407.004900] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  407.012202] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  407.012266] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  407.019566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  407.019575] Call Trace:
[  407.026150] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  407.035403]  <IRQ>
[  407.037975] syz-fuzzer cpuset=/ mems_allowed=0
[  407.048287]  dump_stack+0x244/0x39d
[  407.058601]  ? dump_stack_print_info.cold.1+0x20/0x20
[  407.063822]  warn_alloc.cold.116+0xb7/0x1bd
[  407.068146]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  407.072997]  ? lock_downgrade+0x900/0x900
[  407.077162]  ? trace_hardirqs_off+0xb8/0x310
[  407.081587]  ? trace_hardirqs_off+0xb8/0x310
[  407.086009]  __alloc_pages_slowpath+0x26e8/0x2e10
[  407.090891]  ? warn_alloc+0x120/0x120
[  407.094699]  ? print_usage_bug+0xc0/0xc0
[  407.098763]  ? warn_alloc+0x120/0x120
[  407.102577]  ? warn_alloc+0x120/0x120
[  407.106382]  ? print_usage_bug+0xc0/0xc0
[  407.110458]  ? kvm_clock_read+0x18/0x30
[  407.114432]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  407.119457]  ? print_usage_bug+0xc0/0xc0
[  407.123524]  ? __lock_acquire+0x62f/0x4c20
[  407.127772]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.133309]  ? should_fail+0x22d/0xd01
[  407.137207]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.142516]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.147636]  ? __lock_acquire+0x62f/0x4c20
[  407.151878]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.156993]  ? __lock_acquire+0x62f/0x4c20
[  407.161246]  ? should_fail+0x22d/0xd01
[  407.165133]  ? rcu_irq_exit+0x1a2/0x390
[  407.169129]  ? mark_held_locks+0x130/0x130
[  407.173369]  ? mark_held_locks+0x130/0x130
[  407.177611]  ? mark_held_locks+0xc7/0x130
[  407.181764]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  407.186779]  ? zap_class+0x640/0x640
[  407.190498]  ? print_usage_bug+0xc0/0xc0
[  407.194599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.200136]  ? check_preemption_disabled+0x48/0x280
[  407.205166]  ? __lock_is_held+0xb5/0x140
[  407.209237]  __alloc_pages_nodemask+0xa80/0xde0
[  407.213907]  ? zap_class+0x640/0x640
[  407.217630]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  407.222659]  ? find_held_lock+0x36/0x1c0
[  407.226747]  ? ____cache_alloc_node+0x1c7/0x1e0
[  407.231422]  ? lock_downgrade+0x900/0x900
[  407.235579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.241126]  cache_grow_begin+0xa5/0x8c0
[  407.245189]  ? do_raw_spin_unlock+0xa7/0x330
[  407.249606]  fallback_alloc+0x204/0x2e0
[  407.253591]  ____cache_alloc_node+0x1c7/0x1e0
[  407.258113]  kmem_cache_alloc_node+0xe3/0x730
[  407.262614]  ? ipv6_get_ifaddr+0x42e/0x620
[  407.266864]  __alloc_skb+0x119/0x770
[  407.270582]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.275863]  ? netdev_alloc_frag+0x1f0/0x1f0
[  407.280272]  ? lock_downgrade+0x900/0x900
[  407.284432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.289982]  ? refcount_sub_and_test_checked+0x203/0x310
[  407.295444]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  407.300898]  ? addrconf_rs_timer+0x690/0x690
[  407.305322]  ndisc_alloc_skb+0x144/0x340
[  407.309391]  ndisc_send_rs+0x331/0x6e0
[  407.313284]  addrconf_rs_timer+0x314/0x690
[  407.317525]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.321776]  call_timer_fn+0x272/0x920
[  407.325663]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.329904]  ? process_timeout+0x40/0x40
[  407.333989]  ? __run_timers+0x7da/0xc70
[  407.337971]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.342469]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.346962]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.351198]  ? lockdep_hardirqs_on+0x296/0x5b0
[  407.355803]  ? trace_hardirqs_on+0xbd/0x310
[  407.360140]  ? kasan_check_read+0x11/0x20
[  407.364288]  ? __run_timers+0x7da/0xc70
[  407.368265]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.373373]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.377614]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.381846]  __run_timers+0x7e5/0xc70
[  407.385659]  ? timer_fixup_init+0x70/0x70
[  407.389809]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  407.394830]  ? zap_class+0x640/0x640
[  407.398557]  ? enqueue_hrtimer+0x1a5/0x560
[  407.402798]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  407.408010]  ? find_held_lock+0x36/0x1c0
[  407.412108]  ? zap_class+0x640/0x640
[  407.415857]  ? pvclock_read_flags+0x160/0x160
[  407.420370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.425914]  ? check_preemption_disabled+0x48/0x280
[  407.430942]  ? __lock_is_held+0xb5/0x140
[  407.435005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.440561]  ? check_preemption_disabled+0x48/0x280
[  407.445585]  run_timer_softirq+0x52/0xb0
[  407.449651]  ? rcu_read_lock_sched_held+0x14f/0x180
[  407.454673]  __do_softirq+0x308/0xb7e
[  407.458508]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  407.463012]  ? lock_downgrade+0x900/0x900
[  407.467178]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  407.472294]  ? pvclock_read_flags+0x160/0x160
[  407.476794]  ? lapic_next_event+0x5a/0x90
[  407.480947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.486489]  ? kvm_clock_read+0x18/0x30
[  407.490467]  ? kvm_sched_clock_read+0x9/0x20
[  407.494881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.500424]  ? check_preemption_disabled+0x48/0x280
[  407.505452]  irq_exit+0x17f/0x1c0
[  407.508910]  smp_apic_timer_interrupt+0x1cb/0x760
[  407.513752]  ? smp_reschedule_interrupt+0x109/0x650
[  407.518859]  ? smp_call_function_single_interrupt+0x650/0x650
[  407.524743]  ? interrupt_entry+0xb5/0xc0
[  407.528809]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.533827]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.538865]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.543726]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.548746]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.553778]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.558633]  apic_timer_interrupt+0xf/0x20
[  407.562867]  </IRQ>
[  407.565111] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  407.570051] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  407.588952] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  407.596661] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  407.603931] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  407.611197] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  407.618465] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  407.625735] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  407.633059]  skb_clone+0x1bb/0x500
[  407.636606]  ? finish_task_switch+0x2f4/0x910
[  407.641105]  ? skb_split+0x11e0/0x11e0
[  407.645001]  ? preempt_notifier_register+0x200/0x200
[  407.650111]  ? __switch_to_asm+0x34/0x70
[  407.654175]  ? __switch_to_asm+0x34/0x70
[  407.658238]  ? __switch_to_asm+0x40/0x70
[  407.662299]  ? __switch_to_asm+0x34/0x70
[  407.666360]  ? __switch_to_asm+0x40/0x70
[  407.670419]  ? __switch_to_asm+0x34/0x70
[  407.674477]  ? __switch_to_asm+0x40/0x70
[  407.678534]  ? __switch_to_asm+0x34/0x70
[  407.682605]  ? __switch_to_asm+0x34/0x70
[  407.686669]  ? __switch_to_asm+0x40/0x70
[  407.690728]  ? __switch_to_asm+0x34/0x70
[  407.694801]  bpf_clone_redirect+0xb9/0x490
[  407.699044]  ? __schedule+0x8d7/0x21d0
[  407.702943]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  407.707963]  ? __sched_text_start+0x8/0x8
[  407.712119]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  407.716705]  ? retint_kernel+0x2d/0x2d
[  407.720599]  ? trace_hardirqs_on_caller+0xc0/0x310
[  407.725544]  ? find_held_lock+0x36/0x1c0
[  407.729616]  ? lock_acquire+0x1ed/0x520
[  407.733594]  ? bpf_test_run+0x3cb/0x780
[  407.737570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.743115]  ? check_preemption_disabled+0x48/0x280
[  407.748144]  ? kasan_check_read+0x11/0x20
[  407.752296]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.757600]  ? rcu_softirq_qs+0x20/0x20
[  407.761582]  ? preempt_schedule+0x4d/0x60
[  407.765735]  ? ___preempt_schedule+0x16/0x18
[  407.770153]  ? bpf_test_run+0x25d/0x780
[  407.774146]  ? netlink_diag_dump+0x2a0/0x2a0
[  407.778564]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.784105]  ? bpf_test_init.isra.10+0x70/0x100
[  407.788781]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  407.793555]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  407.798399]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  407.803980]  ? fput+0x130/0x1a0
[  407.807273]  ? __bpf_prog_get+0x9b/0x290
[  407.811348]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  407.816188]  ? bpf_prog_test_run+0x130/0x1a0
[  407.820603]  ? __x64_sys_bpf+0x3d8/0x520
[  407.824666]  ? bpf_prog_get+0x20/0x20
[  407.828493]  ? do_syscall_64+0x1b9/0x820
[  407.832562]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  407.837931]  ? syscall_return_slowpath+0x5e0/0x5e0
[  407.842862]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.847719]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.852742]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  407.857788]  ? prepare_exit_to_usermode+0x291/0x3b0
[  407.862813]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.867680]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  407.873062] warn_alloc_show_mem: 1 callbacks suppressed
[  407.873074] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  407.873076] Mem-Info:
[  407.873109] active_anon:51179 inactive_anon:236 isolated_anon:0
[  407.873109]  active_file:17 inactive_file:9 isolated_file:0
[  407.873109]  unevictable:0 dirty:0 writeback:0 unstable:0
[  407.873109]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  407.873109]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  407.873109]  free:13694 free_pcp:258 free_cma:0
[  407.878445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  407.878454] Call Trace:
[  407.885474] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  407.887873]  <IRQ>
[  407.920650] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  407.930007]  dump_stack+0x244/0x39d
[  407.932572] lowmem_reserve[]: 0 2818 6321 6321
[  407.960074]  ? dump_stack_print_info.cold.1+0x20/0x20
[  407.962198] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  407.988310]  warn_alloc.cold.116+0xb7/0x1bd
[  407.991903] lowmem_reserve[]: 0 0 3503 3503
[  407.996479]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  408.001644] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  408.028802]  ? lock_downgrade+0x900/0x900
[  408.033094] lowmem_reserve[]: 0 0 0 0
[  408.037418]  ? trace_hardirqs_off+0xb8/0x310
[  408.042229] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  408.071199]  ? trace_hardirqs_off+0xb8/0x310
[  408.075318] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  408.079120]  __alloc_pages_slowpath+0x26e8/0x2e10
[  408.083505] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  408.097082]  ? warn_alloc+0x120/0x120
[  408.101441] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  408.116692]  ? print_usage_bug+0xc0/0xc0
[  408.121512] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  408.135717]  ? warn_alloc+0x120/0x120
[  408.139496] 309 total pagecache pages
[  408.148327]  ? warn_alloc+0x120/0x120
[  408.152367] 0 pages in swap cache
[  408.160950]  ? print_usage_bug+0xc0/0xc0
[  408.164726] Swap cache stats: add 0, delete 0, find 0/0
[  408.168515]  ? kvm_clock_read+0x18/0x30
[  408.172292] Free swap  = 0kB
[  408.175738]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  408.179784] Total swap = 0kB
[  408.185140]  ? print_usage_bug+0xc0/0xc0
[  408.189092] 1965979 pages RAM
[  408.192107]  ? __lock_acquire+0x62f/0x4c20
[  408.197101] 0 pages HighMem/MovableOnly
[  408.200117]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.204155] 342853 pages reserved
[  408.207253]  ? should_fail+0x22d/0xd01
[  408.211464] 0 pages cma reserved
[  408.215431]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.221008] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  408.224395]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.224411]  ? __lock_acquire+0x62f/0x4c20
[  408.224429]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.228357] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  408.231663]  ? __lock_acquire+0x62f/0x4c20
[  408.236915] syz-executor2 cpuset=syz2 mems_allowed=0
[  408.243398]  ? should_fail+0x22d/0xd01
[  408.281426]  ? rcu_irq_exit+0x1a2/0x390
[  408.285410]  ? mark_held_locks+0x130/0x130
[  408.289671]  ? mark_held_locks+0x130/0x130
[  408.293914]  ? mark_held_locks+0xc7/0x130
[  408.298085]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  408.303103]  ? zap_class+0x640/0x640
[  408.306817]  ? print_usage_bug+0xc0/0xc0
[  408.310888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.316429]  ? check_preemption_disabled+0x48/0x280
[  408.321467]  ? __lock_is_held+0xb5/0x140
[  408.325539]  __alloc_pages_nodemask+0xa80/0xde0
[  408.330216]  ? zap_class+0x640/0x640
[  408.333935]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  408.338964]  ? find_held_lock+0x36/0x1c0
[  408.343098]  ? ____cache_alloc_node+0x1c7/0x1e0
[  408.347771]  ? lock_downgrade+0x900/0x900
[  408.351927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.357473]  cache_grow_begin+0xa5/0x8c0
[  408.361535]  ? do_raw_spin_unlock+0xa7/0x330
[  408.365954]  fallback_alloc+0x204/0x2e0
[  408.369953]  ____cache_alloc_node+0x1c7/0x1e0
[  408.374453]  kmem_cache_alloc_node+0xe3/0x730
[  408.378950]  ? ipv6_get_ifaddr+0x42e/0x620
[  408.383196]  __alloc_skb+0x119/0x770
[  408.386910]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.392197]  ? netdev_alloc_frag+0x1f0/0x1f0
[  408.396619]  ? lock_downgrade+0x900/0x900
[  408.400783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.406330]  ? refcount_sub_and_test_checked+0x203/0x310
[  408.411788]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  408.417243]  ? addrconf_rs_timer+0x690/0x690
[  408.421669]  ndisc_alloc_skb+0x144/0x340
[  408.425741]  ndisc_send_rs+0x331/0x6e0
[  408.429637]  addrconf_rs_timer+0x314/0x690
[  408.433878]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.438127]  call_timer_fn+0x272/0x920
[  408.442029]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.446277]  ? process_timeout+0x40/0x40
[  408.450350]  ? mark_held_locks+0xc7/0x130
[  408.454501]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.459000]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.463507]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.467751]  ? lockdep_hardirqs_on+0x296/0x5b0
[  408.472335]  ? trace_hardirqs_on+0xbd/0x310
[  408.476668]  ? kasan_check_read+0x11/0x20
[  408.480814]  ? __run_timers+0x7da/0xc70
[  408.484790]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.489907]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.494153]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.498394]  __run_timers+0x7e5/0xc70
[  408.502212]  ? timer_fixup_init+0x70/0x70
[  408.506366]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  408.511387]  ? zap_class+0x640/0x640
[  408.515109]  ? print_usage_bug+0xc0/0xc0
[  408.519173]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  408.524370]  ? find_held_lock+0x36/0x1c0
[  408.528443]  ? zap_class+0x640/0x640
[  408.532166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.537705]  ? check_preemption_disabled+0x48/0x280
[  408.542734]  ? __lock_is_held+0xb5/0x140
[  408.546795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.552335]  ? check_preemption_disabled+0x48/0x280
[  408.557360]  run_timer_softirq+0x52/0xb0
[  408.561422]  ? rcu_read_lock_sched_held+0x14f/0x180
[  408.566444]  __do_softirq+0x308/0xb7e
[  408.570253]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  408.574752]  ? lock_downgrade+0x900/0x900
[  408.578907]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  408.584033]  ? pvclock_read_flags+0x160/0x160
[  408.588555]  ? lapic_next_event+0x5a/0x90
[  408.592708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.598251]  ? kvm_clock_read+0x18/0x30
[  408.602225]  ? kvm_sched_clock_read+0x9/0x20
[  408.606638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.612659]  ? check_preemption_disabled+0x48/0x280
[  408.617688]  irq_exit+0x17f/0x1c0
[  408.621150]  smp_apic_timer_interrupt+0x1cb/0x760
[  408.625995]  ? smp_reschedule_interrupt+0x109/0x650
[  408.631031]  ? smp_call_function_single_interrupt+0x650/0x650
[  408.636924]  ? interrupt_entry+0xb5/0xc0
[  408.640990]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.646050]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.651077]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.655925]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.660942]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.665959]  ? task_prio+0x50/0x50
[  408.669511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.675064]  ? check_preemption_disabled+0x48/0x280
[  408.680135]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.684988]  apic_timer_interrupt+0xf/0x20
[  408.689232]  </IRQ>
[  408.691471] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  408.696662] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  408.715565] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  408.723275] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  408.730555] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  408.737860] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  408.745247] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  408.752515] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  408.759837]  retint_kernel+0x1b/0x2d
[  408.763551] RIP: 0010:dump_stack+0x358/0x39d
[  408.767977] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  408.786879] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  408.794583] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  408.801864] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  408.809131] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  408.816399] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  408.823667] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  408.830962]  ? dump_stack+0x34f/0x39d
[  408.834786]  ? dump_stack_print_info.cold.1+0x20/0x20
[  408.840021]  ? mark_held_locks+0x130/0x130
[  408.844264]  ? mark_held_locks+0x130/0x130
[  408.848508]  dump_header+0x27b/0xf72
[  408.852242]  ? pagefault_out_of_memory+0x197/0x197
[  408.857183]  ? __lock_acquire+0x62f/0x4c20
[  408.861422]  ? percpu_ref_get_many+0x240/0x240
[  408.866031]  ? print_usage_bug+0xc0/0xc0
[  408.870107]  ? zap_class+0x640/0x640
[  408.873823]  ? print_usage_bug+0xc0/0xc0
[  408.877881]  ? print_usage_bug+0xc0/0xc0
[  408.881949]  ? zap_class+0x640/0x640
[  408.885669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.891215]  ? find_held_lock+0x36/0x1c0
[  408.895286]  ? mark_held_locks+0xc7/0x130
[  408.899437]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  408.904542]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  408.909649]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  408.914238]  ? trace_hardirqs_on+0xbd/0x310
[  408.918562]  ? kasan_check_read+0x11/0x20
[  408.922709]  ? ___ratelimit+0x3b4/0x672
[  408.926689]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.931794]  ? trace_hardirqs_on+0x310/0x310
[  408.936206]  ? lock_downgrade+0x900/0x900
[  408.940360]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  408.945467]  ? ___ratelimit+0x3b9/0x672
[  408.949450]  ? idr_get_free+0xf70/0xf70
[  408.953427]  ? find_held_lock+0x36/0x1c0
[  408.957503]  oom_kill_process.cold.27+0x10/0x903
[  408.962263]  ? zap_class+0x640/0x640
[  408.965983]  ? check_preemption_disabled+0x48/0x280
[  408.971047]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  408.975985]  ? kasan_check_read+0x11/0x20
[  408.980143]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.985423]  ? oom_evaluate_task+0x540/0x540
[  408.989835]  ? find_held_lock+0x36/0x1c0
[  408.993907]  ? out_of_memory+0x974/0x1430
[  408.998073]  ? lock_downgrade+0x900/0x900
[  409.002235]  ? check_preemption_disabled+0x48/0x280
[  409.007266]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.012194]  ? kasan_check_read+0x11/0x20
[  409.016341]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.021618]  ? rcu_softirq_qs+0x20/0x20
[  409.025602]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.031139]  ? oom_evaluate_task+0x302/0x540
[  409.035553]  out_of_memory+0xa84/0x1430
[  409.039546]  ? oom_killer_disable+0x3a0/0x3a0
[  409.044060]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  409.048995]  ? __ww_mutex_check_waiters+0x160/0x160
[  409.054041]  __alloc_pages_slowpath+0x2354/0x2e10
[  409.058919]  ? warn_alloc+0x120/0x120
[  409.062719]  ? mark_held_locks+0x130/0x130
[  409.066961]  ? find_get_entry+0xaae/0x1120
[  409.071207]  ? filemap_map_pages+0x1a20/0x1a20
[  409.075800]  ? zap_class+0x640/0x640
[  409.079524]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.085071]  ? check_preemption_disabled+0x48/0x280
[  409.090092]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.095632]  ? should_fail+0x22d/0xd01
[  409.099537]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.104645]  ? zap_class+0x640/0x640
[  409.108387]  ? __lock_is_held+0xb5/0x140
[  409.112458]  ? mark_held_locks+0x130/0x130
[  409.116702]  ? lock_release+0xa00/0xa00
[  409.120676]  ? perf_trace_sched_process_exec+0x860/0x860
[  409.126131]  ? xa_load+0x2ba/0x460
[  409.129676]  ? lock_downgrade+0x900/0x900
[  409.133832]  ? __might_sleep+0x95/0x190
[  409.137823]  __alloc_pages_nodemask+0xa80/0xde0
[  409.142500]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  409.147517]  ? __page_cache_alloc+0x191/0x5c0
[  409.152022]  ? xa_load+0x2e1/0x460
[  409.155589]  ? xa_clear_mark+0x40/0x40
[  409.159484]  ? zap_class+0x640/0x640
[  409.163207]  ? zap_class+0x640/0x640
[  409.166922]  ? zap_class+0x640/0x640
[  409.170637]  ? __do_page_cache_readahead+0x663/0x810
[  409.175747]  ? find_held_lock+0x36/0x1c0
[  409.179823]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  409.185370]  alloc_pages_current+0x173/0x350
[  409.189786]  __page_cache_alloc+0x38c/0x5c0
[  409.194107]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.199050]  ? kasan_check_read+0x11/0x20
[  409.203202]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.208497]  ? generic_perform_write+0x6a0/0x6a0
[  409.213258]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.218802]  ? check_preemption_disabled+0x48/0x280
[  409.223837]  filemap_fault+0x1595/0x25f0
[  409.227911]  ? __lock_page_or_retry+0xa00/0xa00
[  409.232584]  ? mark_held_locks+0x130/0x130
[  409.236833]  ? filemap_map_pages+0xd6b/0x1a20
[  409.241332]  ? lock_downgrade+0x900/0x900
[  409.245502]  ? check_preemption_disabled+0x48/0x280
[  409.250524]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.255455]  ? kasan_check_read+0x11/0x20
[  409.259608]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.264885]  ? rcu_softirq_qs+0x20/0x20
[  409.268874]  ? filemap_map_pages+0xd92/0x1a20
[  409.273383]  ? find_get_entries_tag+0x1400/0x1400
[  409.278228]  ? ep_scan_ready_list+0xbc7/0x1050
[  409.282813]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.287935]  ? lock_acquire+0x1ed/0x520
[  409.291915]  ? ext4_filemap_fault+0x7a/0xad
[  409.296244]  ? lock_release+0xa00/0xa00
[  409.300222]  ? perf_trace_sched_process_exec+0x860/0x860
[  409.305675]  ? print_usage_bug+0xc0/0xc0
[  409.309739]  ? print_usage_bug+0xc0/0xc0
[  409.313811]  ? down_read+0x8d/0x120
[  409.317439]  ? ext4_filemap_fault+0x7a/0xad
[  409.321766]  ? __down_interruptible+0x700/0x700
[  409.326450]  ext4_filemap_fault+0x82/0xad
[  409.330603]  __do_fault+0x100/0x6b0
[  409.334236]  ? pmd_devmap_trans_unstable+0x220/0x220
[  409.339345]  ? mark_held_locks+0x130/0x130
[  409.343585]  ? mark_held_locks+0x130/0x130
[  409.347821]  ? kasan_check_read+0x11/0x20
[  409.351970]  ? ep_poll+0xffa/0x13d0
[  409.355606]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.360720]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.366265]  __handle_mm_fault+0x3ea0/0x5be0
[  409.370677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.376223]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  409.381075]  ? do_epoll_create+0x590/0x590
[  409.385311]  ? kasan_check_read+0x11/0x20
[  409.389462]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.394737]  ? rcu_softirq_qs+0x20/0x20
[  409.398733]  ? zap_class+0x640/0x640
[  409.402449]  ? zap_class+0x640/0x640
[  409.406170]  ? find_held_lock+0x36/0x1c0
[  409.410243]  ? handle_mm_fault+0x42a/0xc70
[  409.414485]  ? lock_downgrade+0x900/0x900
[  409.418637]  ? check_preemption_disabled+0x48/0x280
[  409.423658]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.428594]  ? kasan_check_read+0x11/0x20
[  409.432742]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.438026]  ? rcu_softirq_qs+0x20/0x20
[  409.442021]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.447134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.452675]  ? check_preemption_disabled+0x48/0x280
[  409.457701]  handle_mm_fault+0x54f/0xc70
[  409.461769]  ? __handle_mm_fault+0x5be0/0x5be0
[  409.466359]  ? find_vma+0x34/0x190
[  409.469906]  __do_page_fault+0x5e8/0xe60
[  409.473968]  ? trace_hardirqs_off+0xb8/0x310
[  409.478379]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  409.483933]  do_page_fault+0xf2/0x7e0
[  409.487743]  ? vmalloc_sync_all+0x30/0x30
[  409.491893]  ? error_entry+0x70/0xd0
[  409.495612]  ? trace_hardirqs_off_caller+0xbb/0x310
[  409.500628]  ? trace_hardirqs_on_caller+0xc0/0x310
[  409.505560]  ? syscall_return_slowpath+0x5e0/0x5e0
[  409.510490]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.515333]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.520363]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  409.525819]  ? prepare_exit_to_usermode+0x291/0x3b0
[  409.530838]  ? page_fault+0x8/0x30
[  409.534384]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.539234]  ? page_fault+0x8/0x30
[  409.542778]  page_fault+0x1e/0x30
[  409.546229] RIP: 0033:0x45df89
[  409.549430] Code: Bad RIP value.
[  409.552793] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  409.558158] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  409.565423] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  409.572689] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  409.579958] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  409.587225] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  409.594531] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  409.594613] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  409.601912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  409.601922] Call Trace:
[  409.608514] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  409.617748]  <IRQ>
[  409.620319] syz-fuzzer cpuset=/ mems_allowed=0
[  409.630544]  dump_stack+0x244/0x39d
[  409.640857]  ? dump_stack_print_info.cold.1+0x20/0x20
[  409.646065]  warn_alloc.cold.116+0xb7/0x1bd
[  409.650391]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  409.655240]  ? lock_downgrade+0x900/0x900
[  409.659399]  ? trace_hardirqs_off+0xb8/0x310
[  409.663818]  ? trace_hardirqs_off+0xb8/0x310
[  409.668241]  __alloc_pages_slowpath+0x26e8/0x2e10
[  409.673117]  ? warn_alloc+0x120/0x120
[  409.676927]  ? print_usage_bug+0xc0/0xc0
[  409.680991]  ? warn_alloc+0x120/0x120
[  409.684806]  ? warn_alloc+0x120/0x120
[  409.688610]  ? print_usage_bug+0xc0/0xc0
[  409.692681]  ? print_usage_bug+0xc0/0xc0
[  409.696747]  ? __lock_acquire+0x62f/0x4c20
[  409.700990]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.706542]  ? should_fail+0x22d/0xd01
[  409.710436]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.715547]  ? __lock_acquire+0x62f/0x4c20
[  409.719789]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.724895]  ? __lock_acquire+0x62f/0x4c20
[  409.729130]  ? should_fail+0x22d/0xd01
[  409.733026]  ? find_held_lock+0x36/0x1c0
[  409.737103]  ? mark_held_locks+0x130/0x130
[  409.741343]  ? mark_held_locks+0x130/0x130
[  409.746036]  ? zap_class+0x640/0x640
[  409.749766]  ? zap_class+0x640/0x640
[  409.753483]  ? print_usage_bug+0xc0/0xc0
[  409.757550]  ? do_raw_spin_unlock+0xa7/0x330
[  409.761959]  ? zap_class+0x640/0x640
[  409.765676]  ? print_usage_bug+0xc0/0xc0
[  409.769737]  ? wq_watchdog_touch+0x9c/0xfe
[  409.773980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.779529]  ? check_preemption_disabled+0x48/0x280
[  409.784566]  ? __lock_is_held+0xb5/0x140
[  409.788639]  __alloc_pages_nodemask+0xa80/0xde0
[  409.793311]  ? zap_class+0x640/0x640
[  409.797038]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  409.802073]  ? find_held_lock+0x36/0x1c0
[  409.806148]  ? ____cache_alloc_node+0x1c7/0x1e0
[  409.810820]  ? lock_downgrade+0x900/0x900
[  409.814981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.820535]  cache_grow_begin+0xa5/0x8c0
[  409.824602]  ? do_raw_spin_unlock+0xa7/0x330
[  409.829026]  fallback_alloc+0x204/0x2e0
[  409.833035]  ____cache_alloc_node+0x1c7/0x1e0
[  409.837547]  kmem_cache_alloc_node+0xe3/0x730
[  409.842054]  ? ipv6_get_ifaddr+0x42e/0x620
[  409.846316]  __alloc_skb+0x119/0x770
[  409.850038]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.855320]  ? netdev_alloc_frag+0x1f0/0x1f0
[  409.859735]  ? lock_downgrade+0x900/0x900
[  409.863897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.869439]  ? refcount_sub_and_test_checked+0x203/0x310
[  409.874894]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  409.880346]  ? addrconf_rs_timer+0x690/0x690
[  409.884772]  ndisc_alloc_skb+0x144/0x340
[  409.888838]  ndisc_send_rs+0x331/0x6e0
[  409.892731]  addrconf_rs_timer+0x314/0x690
[  409.896978]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.901223]  call_timer_fn+0x272/0x920
[  409.905111]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.909349]  ? process_timeout+0x40/0x40
[  409.913421]  ? __run_timers+0x7da/0xc70
[  409.917400]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.921897]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.926391]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.930630]  ? lockdep_hardirqs_on+0x296/0x5b0
[  409.935218]  ? trace_hardirqs_on+0xbd/0x310
[  409.939545]  ? kasan_check_read+0x11/0x20
[  409.943709]  ? __run_timers+0x7da/0xc70
[  409.947692]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.952804]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.957058]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.961300]  __run_timers+0x7e5/0xc70
[  409.965127]  ? timer_fixup_init+0x70/0x70
[  409.969278]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  409.974295]  ? zap_class+0x640/0x640
[  409.978025]  ? enqueue_hrtimer+0x1a5/0x560
[  409.982265]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  409.987466]  ? find_held_lock+0x36/0x1c0
[  409.991565]  ? zap_class+0x640/0x640
[  409.995299]  ? pvclock_read_flags+0x160/0x160
[  409.999797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.005340]  ? check_preemption_disabled+0x48/0x280
[  410.010370]  ? __lock_is_held+0xb5/0x140
[  410.014438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.019976]  ? check_preemption_disabled+0x48/0x280
[  410.025003]  run_timer_softirq+0x52/0xb0
[  410.029075]  ? rcu_read_lock_sched_held+0x14f/0x180
[  410.034092]  __do_softirq+0x308/0xb7e
[  410.037897]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  410.042394]  ? lock_downgrade+0x900/0x900
[  410.046557]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  410.051680]  ? pvclock_read_flags+0x160/0x160
[  410.056182]  ? lapic_next_event+0x5a/0x90
[  410.060335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.065879]  ? kvm_clock_read+0x18/0x30
[  410.069853]  ? kvm_sched_clock_read+0x9/0x20
[  410.074265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.079810]  ? check_preemption_disabled+0x48/0x280
[  410.084841]  irq_exit+0x17f/0x1c0
[  410.088297]  smp_apic_timer_interrupt+0x1cb/0x760
[  410.093141]  ? smp_reschedule_interrupt+0x109/0x650
[  410.098162]  ? smp_call_function_single_interrupt+0x650/0x650
[  410.104049]  ? interrupt_entry+0xb5/0xc0
[  410.108120]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.113138]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.118159]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.123006]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.128038]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.133072]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.137927]  apic_timer_interrupt+0xf/0x20
[  410.142155]  </IRQ>
[  410.144414] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  410.149345] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  410.168248] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  410.175954] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  410.183220] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  410.190488] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  410.197753] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  410.205026] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  410.212342]  skb_clone+0x1bb/0x500
[  410.215888]  ? finish_task_switch+0x2f4/0x910
[  410.220387]  ? skb_split+0x11e0/0x11e0
[  410.224284]  ? preempt_notifier_register+0x200/0x200
[  410.229385]  ? __switch_to_asm+0x34/0x70
[  410.233448]  ? __switch_to_asm+0x34/0x70
[  410.237510]  ? __switch_to_asm+0x40/0x70
[  410.241572]  ? __switch_to_asm+0x34/0x70
[  410.245631]  ? __switch_to_asm+0x40/0x70
[  410.249688]  ? __switch_to_asm+0x34/0x70
[  410.253749]  ? __switch_to_asm+0x40/0x70
[  410.257807]  ? __switch_to_asm+0x34/0x70
[  410.261868]  ? __switch_to_asm+0x34/0x70
[  410.265926]  ? __switch_to_asm+0x40/0x70
[  410.270071]  ? __switch_to_asm+0x34/0x70
[  410.274138]  bpf_clone_redirect+0xb9/0x490
[  410.278376]  ? __schedule+0x8d7/0x21d0
[  410.282273]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  410.287294]  ? __sched_text_start+0x8/0x8
[  410.291448]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  410.296036]  ? retint_kernel+0x2d/0x2d
[  410.299926]  ? trace_hardirqs_on_caller+0xc0/0x310
[  410.304860]  ? find_held_lock+0x36/0x1c0
[  410.308929]  ? lock_acquire+0x1ed/0x520
[  410.312905]  ? bpf_test_run+0x3cb/0x780
[  410.316881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.322422]  ? check_preemption_disabled+0x48/0x280
[  410.327448]  ? kasan_check_read+0x11/0x20
[  410.331600]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.336876]  ? rcu_softirq_qs+0x20/0x20
[  410.340855]  ? preempt_schedule+0x4d/0x60
[  410.345023]  ? ___preempt_schedule+0x16/0x18
[  410.349540]  ? bpf_test_run+0x25d/0x780
[  410.353528]  ? netlink_diag_dump+0x2a0/0x2a0
[  410.357960]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.363498]  ? bpf_test_init.isra.10+0x70/0x100
[  410.368197]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  410.372962]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  410.377804]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  410.383342]  ? fput+0x130/0x1a0
[  410.386626]  ? __bpf_prog_get+0x9b/0x290
[  410.390696]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  410.395547]  ? bpf_prog_test_run+0x130/0x1a0
[  410.399995]  ? __x64_sys_bpf+0x3d8/0x520
[  410.404062]  ? bpf_prog_get+0x20/0x20
[  410.407885]  ? do_syscall_64+0x1b9/0x820
[  410.411945]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  410.417310]  ? syscall_return_slowpath+0x5e0/0x5e0
[  410.422240]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.427087]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.432125]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  410.437149]  ? prepare_exit_to_usermode+0x291/0x3b0
[  410.442172]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.447034]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  410.452412] warn_alloc_show_mem: 1 callbacks suppressed
[  410.452424] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  410.452426] Mem-Info:
[  410.452459] active_anon:51179 inactive_anon:236 isolated_anon:0
[  410.452459]  active_file:17 inactive_file:9 isolated_file:0
[  410.452459]  unevictable:0 dirty:0 writeback:0 unstable:0
[  410.452459]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  410.452459]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  410.452459]  free:13694 free_pcp:258 free_cma:0
[  410.457794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  410.464814] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  410.467218] Call Trace:
[  410.499998] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  410.509347]  <IRQ>
[  410.536828] lowmem_reserve[]: 0 2818 6321 6321
[  410.539412]  dump_stack+0x244/0x39d
[  410.565579] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  410.567727]  ? dump_stack_print_info.cold.1+0x20/0x20
[  410.572298] lowmem_reserve[]: 0 0 3503 3503
[  410.576103]  warn_alloc.cold.116+0xb7/0x1bd
[  410.603224] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  410.608408]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  410.612795] lowmem_reserve[]: 0 0 0 0
[  410.617135]  ? lock_downgrade+0x900/0x900
[  410.646174] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  410.651025]  ? trace_hardirqs_off+0xb8/0x310
[  410.654792] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  410.658934]  ? trace_hardirqs_off+0xb8/0x310
[  410.672438] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  410.676850]  __alloc_pages_slowpath+0x26e8/0x2e10
[  410.692023] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  410.696451]  ? warn_alloc+0x120/0x120
[  410.710629] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  410.715463]  ? print_usage_bug+0xc0/0xc0
[  410.724269] 309 total pagecache pages
[  410.728080]  ? warn_alloc+0x120/0x120
[  410.736635] 0 pages in swap cache
[  410.740689]  ? warn_alloc+0x120/0x120
[  410.744940] Swap cache stats: add 0, delete 0, find 0/0
[  410.744950] Free swap  = 0kB
[  410.748785]  ? print_usage_bug+0xc0/0xc0
[  410.752213] Total swap = 0kB
[  410.756009]  ? kvm_clock_read+0x18/0x30
[  410.761361] 1965979 pages RAM
[  410.764385]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  410.768422] 0 pages HighMem/MovableOnly
[  410.771439]  ? print_usage_bug+0xc0/0xc0
[  410.775390] 342853 pages reserved
[  410.778489]  ? __lock_acquire+0x62f/0x4c20
[  410.783484] 0 pages cma reserved
[  410.787453]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.791557] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  410.794934]  ? should_fail+0x22d/0xd01
[  410.794947]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.794969]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.799238] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  410.802544]  ? __lock_acquire+0x62f/0x4c20
[  410.808070] syz-executor2 cpuset=syz2 mems_allowed=0
[  410.814555]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.814572]  ? __lock_acquire+0x62f/0x4c20
[  410.857865]  ? should_fail+0x22d/0xd01
[  410.861753]  ? rcu_irq_exit+0x1a2/0x390
[  410.865742]  ? mark_held_locks+0x130/0x130
[  410.869988]  ? mark_held_locks+0x130/0x130
[  410.874237]  ? mark_held_locks+0xc7/0x130
[  410.878387]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  410.883404]  ? zap_class+0x640/0x640
[  410.887123]  ? print_usage_bug+0xc0/0xc0
[  410.891197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.896739]  ? check_preemption_disabled+0x48/0x280
[  410.901768]  ? __lock_is_held+0xb5/0x140
[  410.905835]  __alloc_pages_nodemask+0xa80/0xde0
[  410.910505]  ? zap_class+0x640/0x640
[  410.914228]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  410.919263]  ? find_held_lock+0x36/0x1c0
[  410.923336]  ? ____cache_alloc_node+0x1c7/0x1e0
[  410.928007]  ? lock_downgrade+0x900/0x900
[  410.932179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.937722]  cache_grow_begin+0xa5/0x8c0
[  410.941787]  ? do_raw_spin_unlock+0xa7/0x330
[  410.946205]  fallback_alloc+0x204/0x2e0
[  410.950189]  ____cache_alloc_node+0x1c7/0x1e0
[  410.954694]  kmem_cache_alloc_node+0xe3/0x730
[  410.959196]  ? ipv6_get_ifaddr+0x42e/0x620
[  410.963442]  __alloc_skb+0x119/0x770
[  410.967160]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.972441]  ? netdev_alloc_frag+0x1f0/0x1f0
[  410.976853]  ? lock_downgrade+0x900/0x900
[  410.981021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.986565]  ? refcount_sub_and_test_checked+0x203/0x310
[  410.992028]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  410.997490]  ? addrconf_rs_timer+0x690/0x690
[  411.001915]  ndisc_alloc_skb+0x144/0x340
[  411.005984]  ndisc_send_rs+0x331/0x6e0
[  411.009887]  addrconf_rs_timer+0x314/0x690
[  411.014134]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.018381]  call_timer_fn+0x272/0x920
[  411.022270]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.026504]  ? process_timeout+0x40/0x40
[  411.030582]  ? mark_held_locks+0xc7/0x130
[  411.034736]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.039229]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.043723]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.047965]  ? lockdep_hardirqs_on+0x296/0x5b0
[  411.052549]  ? trace_hardirqs_on+0xbd/0x310
[  411.056872]  ? kasan_check_read+0x11/0x20
[  411.061026]  ? __run_timers+0x7da/0xc70
[  411.065012]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.070141]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.074381]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.078618]  __run_timers+0x7e5/0xc70
[  411.082430]  ? timer_fixup_init+0x70/0x70
[  411.086583]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  411.091606]  ? zap_class+0x640/0x640
[  411.095349]  ? print_usage_bug+0xc0/0xc0
[  411.099419]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  411.104616]  ? find_held_lock+0x36/0x1c0
[  411.108685]  ? zap_class+0x640/0x640
[  411.112409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.117961]  ? check_preemption_disabled+0x48/0x280
[  411.122989]  ? __lock_is_held+0xb5/0x140
[  411.127082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.132625]  ? check_preemption_disabled+0x48/0x280
[  411.137649]  run_timer_softirq+0x52/0xb0
[  411.141717]  ? rcu_read_lock_sched_held+0x14f/0x180
[  411.146735]  __do_softirq+0x308/0xb7e
[  411.150538]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  411.155052]  ? lock_downgrade+0x900/0x900
[  411.159211]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  411.164328]  ? pvclock_read_flags+0x160/0x160
[  411.168827]  ? lapic_next_event+0x5a/0x90
[  411.172979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.178523]  ? kvm_clock_read+0x18/0x30
[  411.182502]  ? kvm_sched_clock_read+0x9/0x20
[  411.186918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.192462]  ? check_preemption_disabled+0x48/0x280
[  411.197491]  irq_exit+0x17f/0x1c0
[  411.200952]  smp_apic_timer_interrupt+0x1cb/0x760
[  411.205813]  ? smp_reschedule_interrupt+0x109/0x650
[  411.210833]  ? smp_call_function_single_interrupt+0x650/0x650
[  411.216719]  ? interrupt_entry+0xb5/0xc0
[  411.220787]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.225806]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.230827]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.235675]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.240693]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.245714]  ? task_prio+0x50/0x50
[  411.249261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.254811]  ? check_preemption_disabled+0x48/0x280
[  411.259839]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.264693]  apic_timer_interrupt+0xf/0x20
[  411.268921]  </IRQ>
[  411.271174] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  411.276365] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  411.295267] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  411.302985] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  411.310261] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  411.317533] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  411.324803] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  411.332085] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  411.339391]  retint_kernel+0x1b/0x2d
[  411.343113] RIP: 0010:dump_stack+0x358/0x39d
[  411.347526] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  411.366428] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  411.374139] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  411.381410] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  411.388692] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  411.395970] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  411.403238] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  411.410531]  ? dump_stack+0x34f/0x39d
[  411.414348]  ? dump_stack_print_info.cold.1+0x20/0x20
[  411.419543]  ? mark_held_locks+0x130/0x130
[  411.423783]  ? mark_held_locks+0x130/0x130
[  411.428034]  dump_header+0x27b/0xf72
[  411.431772]  ? pagefault_out_of_memory+0x197/0x197
[  411.436711]  ? __lock_acquire+0x62f/0x4c20
[  411.440954]  ? percpu_ref_get_many+0x240/0x240
[  411.445543]  ? print_usage_bug+0xc0/0xc0
[  411.449611]  ? zap_class+0x640/0x640
[  411.453328]  ? print_usage_bug+0xc0/0xc0
[  411.457390]  ? print_usage_bug+0xc0/0xc0
[  411.461474]  ? zap_class+0x640/0x640
[  411.465196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.470739]  ? find_held_lock+0x36/0x1c0
[  411.474814]  ? mark_held_locks+0xc7/0x130
[  411.478968]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  411.484072]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  411.489178]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  411.493765]  ? trace_hardirqs_on+0xbd/0x310
[  411.498091]  ? kasan_check_read+0x11/0x20
[  411.502243]  ? ___ratelimit+0x3b4/0x672
[  411.506220]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.511326]  ? trace_hardirqs_on+0x310/0x310
[  411.515736]  ? lock_downgrade+0x900/0x900
[  411.519893]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  411.524999]  ? ___ratelimit+0x3b9/0x672
[  411.528988]  ? idr_get_free+0xf70/0xf70
[  411.532972]  ? find_held_lock+0x36/0x1c0
[  411.537058]  oom_kill_process.cold.27+0x10/0x903
[  411.541833]  ? zap_class+0x640/0x640
[  411.545559]  ? check_preemption_disabled+0x48/0x280
[  411.550580]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.555522]  ? kasan_check_read+0x11/0x20
[  411.559676]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.564956]  ? oom_evaluate_task+0x540/0x540
[  411.569375]  ? find_held_lock+0x36/0x1c0
[  411.573445]  ? out_of_memory+0x974/0x1430
[  411.577597]  ? lock_downgrade+0x900/0x900
[  411.581753]  ? check_preemption_disabled+0x48/0x280
[  411.586775]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.591710]  ? kasan_check_read+0x11/0x20
[  411.595863]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.601145]  ? rcu_softirq_qs+0x20/0x20
[  411.605127]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.610667]  ? oom_evaluate_task+0x302/0x540
[  411.615091]  out_of_memory+0xa84/0x1430
[  411.619085]  ? oom_killer_disable+0x3a0/0x3a0
[  411.623583]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  411.628519]  ? __ww_mutex_check_waiters+0x160/0x160
[  411.633551]  __alloc_pages_slowpath+0x2354/0x2e10
[  411.638425]  ? warn_alloc+0x120/0x120
[  411.642236]  ? mark_held_locks+0x130/0x130
[  411.646478]  ? find_get_entry+0xaae/0x1120
[  411.650723]  ? filemap_map_pages+0x1a20/0x1a20
[  411.655316]  ? zap_class+0x640/0x640
[  411.659050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.664592]  ? check_preemption_disabled+0x48/0x280
[  411.669609]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.675147]  ? should_fail+0x22d/0xd01
[  411.679064]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.684171]  ? zap_class+0x640/0x640
[  411.687942]  ? __lock_is_held+0xb5/0x140
[  411.692021]  ? mark_held_locks+0x130/0x130
[  411.696279]  ? lock_release+0xa00/0xa00
[  411.700255]  ? perf_trace_sched_process_exec+0x860/0x860
[  411.705706]  ? xa_load+0x2ba/0x460
[  411.709251]  ? lock_downgrade+0x900/0x900
[  411.713407]  ? __might_sleep+0x95/0x190
[  411.717389]  __alloc_pages_nodemask+0xa80/0xde0
[  411.722072]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  411.727092]  ? __page_cache_alloc+0x191/0x5c0
[  411.731585]  ? xa_load+0x2e1/0x460
[  411.735133]  ? xa_clear_mark+0x40/0x40
[  411.739031]  ? zap_class+0x640/0x640
[  411.742763]  ? zap_class+0x640/0x640
[  411.746491]  ? zap_class+0x640/0x640
[  411.750208]  ? __do_page_cache_readahead+0x663/0x810
[  411.755316]  ? find_held_lock+0x36/0x1c0
[  411.759385]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  411.764934]  alloc_pages_current+0x173/0x350
[  411.769367]  __page_cache_alloc+0x38c/0x5c0
[  411.773699]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.778633]  ? kasan_check_read+0x11/0x20
[  411.782783]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.788094]  ? generic_perform_write+0x6a0/0x6a0
[  411.792866]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.798421]  ? check_preemption_disabled+0x48/0x280
[  411.803448]  filemap_fault+0x1595/0x25f0
[  411.807524]  ? __lock_page_or_retry+0xa00/0xa00
[  411.812197]  ? mark_held_locks+0x130/0x130
[  411.816444]  ? filemap_map_pages+0xd6b/0x1a20
[  411.820965]  ? lock_downgrade+0x900/0x900
[  411.825112]  ? check_preemption_disabled+0x48/0x280
[  411.830133]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.835069]  ? kasan_check_read+0x11/0x20
[  411.839222]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.844498]  ? rcu_softirq_qs+0x20/0x20
[  411.848486]  ? filemap_map_pages+0xd92/0x1a20
[  411.852995]  ? find_get_entries_tag+0x1400/0x1400
[  411.857850]  ? ep_scan_ready_list+0xbc7/0x1050
[  411.862469]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.867589]  ? lock_acquire+0x1ed/0x520
[  411.871562]  ? ext4_filemap_fault+0x7a/0xad
[  411.875906]  ? lock_release+0xa00/0xa00
[  411.879879]  ? perf_trace_sched_process_exec+0x860/0x860
[  411.885331]  ? print_usage_bug+0xc0/0xc0
[  411.889397]  ? print_usage_bug+0xc0/0xc0
[  411.893472]  ? down_read+0x8d/0x120
[  411.897097]  ? ext4_filemap_fault+0x7a/0xad
[  411.901421]  ? __down_interruptible+0x700/0x700
[  411.906105]  ext4_filemap_fault+0x82/0xad
[  411.910260]  __do_fault+0x100/0x6b0
[  411.913903]  ? pmd_devmap_trans_unstable+0x220/0x220
[  411.919044]  ? mark_held_locks+0x130/0x130
[  411.923288]  ? mark_held_locks+0x130/0x130
[  411.927525]  ? kasan_check_read+0x11/0x20
[  411.931691]  ? ep_poll+0xffa/0x13d0
[  411.935321]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.940437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.945981]  __handle_mm_fault+0x3ea0/0x5be0
[  411.950422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.955983]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  411.960837]  ? do_epoll_create+0x590/0x590
[  411.965072]  ? kasan_check_read+0x11/0x20
[  411.969220]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.974501]  ? rcu_softirq_qs+0x20/0x20
[  411.978492]  ? zap_class+0x640/0x640
[  411.982206]  ? zap_class+0x640/0x640
[  411.985928]  ? find_held_lock+0x36/0x1c0
[  411.990002]  ? handle_mm_fault+0x42a/0xc70
[  411.994252]  ? lock_downgrade+0x900/0x900
[  411.998415]  ? check_preemption_disabled+0x48/0x280
[  412.003439]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  412.008370]  ? kasan_check_read+0x11/0x20
[  412.012531]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.017834]  ? rcu_softirq_qs+0x20/0x20
[  412.021816]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.026921]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.032468]  ? check_preemption_disabled+0x48/0x280
[  412.037502]  handle_mm_fault+0x54f/0xc70
[  412.041587]  ? __handle_mm_fault+0x5be0/0x5be0
[  412.046188]  ? find_vma+0x34/0x190
[  412.049738]  __do_page_fault+0x5e8/0xe60
[  412.053799]  ? trace_hardirqs_off+0xb8/0x310
[  412.058211]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  412.063759]  do_page_fault+0xf2/0x7e0
[  412.067562]  ? vmalloc_sync_all+0x30/0x30
[  412.071714]  ? error_entry+0x70/0xd0
[  412.075435]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.080450]  ? trace_hardirqs_on_caller+0xc0/0x310
[  412.085379]  ? syscall_return_slowpath+0x5e0/0x5e0
[  412.090312]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.095156]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.100173]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  412.105634]  ? prepare_exit_to_usermode+0x291/0x3b0
[  412.110652]  ? page_fault+0x8/0x30
[  412.114197]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.119055]  ? page_fault+0x8/0x30
[  412.122597]  page_fault+0x1e/0x30
[  412.126056] RIP: 0033:0x45df89
[  412.129267] Code: Bad RIP value.
[  412.132630] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  412.138004] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  412.145298] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  412.152569] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  412.159834] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  412.167102] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  412.174398] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  412.174477] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  412.181762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  412.181771] Call Trace:
[  412.188343] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  412.197590]  <IRQ>
[  412.200159] syz-fuzzer cpuset=/ mems_allowed=0
[  412.210382]  dump_stack+0x244/0x39d
[  412.220696]  ? dump_stack_print_info.cold.1+0x20/0x20
[  412.225902]  warn_alloc.cold.116+0xb7/0x1bd
[  412.230231]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  412.235092]  ? lock_downgrade+0x900/0x900
[  412.239250]  ? trace_hardirqs_off+0xb8/0x310
[  412.243667]  ? trace_hardirqs_off+0xb8/0x310
[  412.248090]  __alloc_pages_slowpath+0x26e8/0x2e10
[  412.252961]  ? warn_alloc+0x120/0x120
[  412.256768]  ? print_usage_bug+0xc0/0xc0
[  412.260833]  ? warn_alloc+0x120/0x120
[  412.264641]  ? warn_alloc+0x120/0x120
[  412.268462]  ? print_usage_bug+0xc0/0xc0
[  412.272533]  ? print_usage_bug+0xc0/0xc0
[  412.276603]  ? __lock_acquire+0x62f/0x4c20
[  412.280862]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.286402]  ? should_fail+0x22d/0xd01
[  412.290295]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.295409]  ? __lock_acquire+0x62f/0x4c20
[  412.299651]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.304782]  ? __lock_acquire+0x62f/0x4c20
[  412.309027]  ? should_fail+0x22d/0xd01
[  412.312920]  ? find_held_lock+0x36/0x1c0
[  412.317027]  ? mark_held_locks+0x130/0x130
[  412.321277]  ? mark_held_locks+0x130/0x130
[  412.325512]  ? zap_class+0x640/0x640
[  412.329238]  ? zap_class+0x640/0x640
[  412.332960]  ? print_usage_bug+0xc0/0xc0
[  412.337027]  ? do_raw_spin_unlock+0xa7/0x330
[  412.341437]  ? zap_class+0x640/0x640
[  412.345151]  ? print_usage_bug+0xc0/0xc0
[  412.349249]  ? wq_watchdog_touch+0x9c/0xfe
[  412.353494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.359057]  ? check_preemption_disabled+0x48/0x280
[  412.364089]  ? __lock_is_held+0xb5/0x140
[  412.368158]  __alloc_pages_nodemask+0xa80/0xde0
[  412.372828]  ? zap_class+0x640/0x640
[  412.376552]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  412.381587]  ? find_held_lock+0x36/0x1c0
[  412.385659]  ? ____cache_alloc_node+0x1c7/0x1e0
[  412.390329]  ? lock_downgrade+0x900/0x900
[  412.394504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.400062]  cache_grow_begin+0xa5/0x8c0
[  412.404125]  ? do_raw_spin_unlock+0xa7/0x330
[  412.408547]  fallback_alloc+0x204/0x2e0
[  412.412532]  ____cache_alloc_node+0x1c7/0x1e0
[  412.417074]  kmem_cache_alloc_node+0xe3/0x730
[  412.421587]  ? ipv6_get_ifaddr+0x42e/0x620
[  412.425847]  __alloc_skb+0x119/0x770
[  412.429566]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.434848]  ? netdev_alloc_frag+0x1f0/0x1f0
[  412.439267]  ? lock_downgrade+0x900/0x900
[  412.443446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.448990]  ? refcount_sub_and_test_checked+0x203/0x310
[  412.454456]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  412.459912]  ? addrconf_rs_timer+0x690/0x690
[  412.464332]  ndisc_alloc_skb+0x144/0x340
[  412.468403]  ndisc_send_rs+0x331/0x6e0
[  412.472296]  addrconf_rs_timer+0x314/0x690
[  412.476542]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.480791]  call_timer_fn+0x272/0x920
[  412.484679]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.488915]  ? process_timeout+0x40/0x40
[  412.492987]  ? __run_timers+0x7da/0xc70
[  412.496976]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.501475]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.505968]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.510208]  ? lockdep_hardirqs_on+0x296/0x5b0
[  412.514801]  ? trace_hardirqs_on+0xbd/0x310
[  412.519124]  ? kasan_check_read+0x11/0x20
[  412.523274]  ? __run_timers+0x7da/0xc70
[  412.527267]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.532377]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.536619]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.540854]  __run_timers+0x7e5/0xc70
[  412.544671]  ? timer_fixup_init+0x70/0x70
[  412.548824]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  412.553843]  ? zap_class+0x640/0x640
[  412.557568]  ? enqueue_hrtimer+0x1a5/0x560
[  412.561807]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  412.567007]  ? find_held_lock+0x36/0x1c0
[  412.571084]  ? zap_class+0x640/0x640
[  412.574805]  ? pvclock_read_flags+0x160/0x160
[  412.579306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.584850]  ? check_preemption_disabled+0x48/0x280
[  412.589880]  ? __lock_is_held+0xb5/0x140
[  412.593945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.599486]  ? check_preemption_disabled+0x48/0x280
[  412.604511]  run_timer_softirq+0x52/0xb0
[  412.608578]  ? rcu_read_lock_sched_held+0x14f/0x180
[  412.613782]  __do_softirq+0x308/0xb7e
[  412.617588]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  412.622085]  ? lock_downgrade+0x900/0x900
[  412.626239]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  412.631351]  ? pvclock_read_flags+0x160/0x160
[  412.635872]  ? lapic_next_event+0x5a/0x90
[  412.640036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.645582]  ? kvm_clock_read+0x18/0x30
[  412.649561]  ? kvm_sched_clock_read+0x9/0x20
[  412.653974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.659519]  ? check_preemption_disabled+0x48/0x280
[  412.664555]  irq_exit+0x17f/0x1c0
[  412.668012]  smp_apic_timer_interrupt+0x1cb/0x760
[  412.672873]  ? smp_reschedule_interrupt+0x109/0x650
[  412.677890]  ? smp_call_function_single_interrupt+0x650/0x650
[  412.683879]  ? interrupt_entry+0xb5/0xc0
[  412.687948]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.692964]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.697983]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.702838]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.707859]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.712892]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.717749]  apic_timer_interrupt+0xf/0x20
[  412.721980]  </IRQ>
[  412.724228] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  412.729159] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  412.748507] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  412.756224] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  412.763497] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  412.770782] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  412.778080] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  412.785354] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  412.792669]  skb_clone+0x1bb/0x500
[  412.796217]  ? finish_task_switch+0x2f4/0x910
[  412.800715]  ? skb_split+0x11e0/0x11e0
[  412.804606]  ? preempt_notifier_register+0x200/0x200
[  412.809709]  ? __switch_to_asm+0x34/0x70
[  412.813769]  ? __switch_to_asm+0x34/0x70
[  412.817827]  ? __switch_to_asm+0x40/0x70
[  412.821886]  ? __switch_to_asm+0x34/0x70
[  412.825944]  ? __switch_to_asm+0x40/0x70
[  412.830007]  ? __switch_to_asm+0x34/0x70
[  412.834081]  ? __switch_to_asm+0x40/0x70
[  412.838140]  ? __switch_to_asm+0x34/0x70
[  412.842210]  ? __switch_to_asm+0x34/0x70
[  412.846272]  ? __switch_to_asm+0x40/0x70
[  412.850335]  ? __switch_to_asm+0x34/0x70
[  412.854406]  bpf_clone_redirect+0xb9/0x490
[  412.858649]  ? __schedule+0x8d7/0x21d0
[  412.862551]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  412.867579]  ? __sched_text_start+0x8/0x8
[  412.871734]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  412.876335]  ? retint_kernel+0x2d/0x2d
[  412.880226]  ? trace_hardirqs_on_caller+0xc0/0x310
[  412.885167]  ? find_held_lock+0x36/0x1c0
[  412.889240]  ? lock_acquire+0x1ed/0x520
[  412.893217]  ? bpf_test_run+0x3cb/0x780
[  412.897199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.902741]  ? check_preemption_disabled+0x48/0x280
[  412.907768]  ? kasan_check_read+0x11/0x20
[  412.911924]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.917201]  ? rcu_softirq_qs+0x20/0x20
[  412.921180]  ? preempt_schedule+0x4d/0x60
[  412.925333]  ? ___preempt_schedule+0x16/0x18
[  412.929756]  ? bpf_test_run+0x25d/0x780
[  412.933742]  ? netlink_diag_dump+0x2a0/0x2a0
[  412.938162]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.943719]  ? bpf_test_init.isra.10+0x70/0x100
[  412.948405]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  412.953178]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  412.958032]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  412.963574]  ? fput+0x130/0x1a0
[  412.966857]  ? __bpf_prog_get+0x9b/0x290
[  412.970924]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  412.975765]  ? bpf_prog_test_run+0x130/0x1a0
[  412.980193]  ? __x64_sys_bpf+0x3d8/0x520
[  412.984258]  ? bpf_prog_get+0x20/0x20
[  412.988084]  ? do_syscall_64+0x1b9/0x820
[  412.992149]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  412.997520]  ? syscall_return_slowpath+0x5e0/0x5e0
[  413.002453]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.007301]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.012318]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  413.017339]  ? prepare_exit_to_usermode+0x291/0x3b0
[  413.022364]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.027303]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  413.032683] warn_alloc_show_mem: 1 callbacks suppressed
[  413.032696] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  413.032698] Mem-Info:
[  413.032729] active_anon:51179 inactive_anon:236 isolated_anon:0
[  413.032729]  active_file:17 inactive_file:9 isolated_file:0
[  413.032729]  unevictable:0 dirty:0 writeback:0 unstable:0
[  413.032729]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  413.032729]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  413.032729]  free:13694 free_pcp:258 free_cma:0
[  413.038073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  413.045095] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  413.047494] Call Trace:
[  413.080285] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  413.089632]  <IRQ>
[  413.117124] lowmem_reserve[]: 0 2818 6321 6321
[  413.119719]  dump_stack+0x244/0x39d
[  413.145810] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  413.147975]  ? dump_stack_print_info.cold.1+0x20/0x20
[  413.152522] lowmem_reserve[]: 0 0 3503 3503
[  413.156156]  warn_alloc.cold.116+0xb7/0x1bd
[  413.183288] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  413.188485]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  413.192775] lowmem_reserve[]: 0 0 0 0
[  413.197097]  ? lock_downgrade+0x900/0x900
[  413.226063] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  413.230916]  ? trace_hardirqs_off+0xb8/0x310
[  413.234682] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  413.238831]  ? trace_hardirqs_off+0xb8/0x310
[  413.252340] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  413.256753]  __alloc_pages_slowpath+0x26e8/0x2e10
[  413.271911] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  413.276347]  ? warn_alloc+0x120/0x120
[  413.290517] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  413.295352]  ? print_usage_bug+0xc0/0xc0
[  413.304160] 309 total pagecache pages
[  413.307958]  ? warn_alloc+0x120/0x120
[  413.316516] 0 pages in swap cache
[  413.320570]  ? warn_alloc+0x120/0x120
[  413.324348] Swap cache stats: add 0, delete 0, find 0/0
[  413.328142]  ? print_usage_bug+0xc0/0xc0
[  413.331573] Free swap  = 0kB
[  413.335371]  ? kvm_clock_read+0x18/0x30
[  413.340708] Total swap = 0kB
[  413.344765]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  413.347755] 1965979 pages RAM
[  413.351724]  ? print_usage_bug+0xc0/0xc0
[  413.354735] 0 pages HighMem/MovableOnly
[  413.359746]  ? __lock_acquire+0x62f/0x4c20
[  413.362831] 342853 pages reserved
[  413.366886]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.370831] 0 pages cma reserved
[  413.375063]  ? should_fail+0x22d/0xd01
[  413.378560] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  413.384023]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.384050]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.384067]  ? __lock_acquire+0x62f/0x4c20
[  413.387466] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  413.391297]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.397762] syz-executor2 cpuset=syz2 mems_allowed=0
[  413.403050]  ? __lock_acquire+0x62f/0x4c20
[  413.437214]  ? should_fail+0x22d/0xd01
[  413.441108]  ? rcu_irq_exit+0x1a2/0x390
[  413.445103]  ? mark_held_locks+0x130/0x130
[  413.449346]  ? mark_held_locks+0x130/0x130
[  413.453588]  ? mark_held_locks+0xc7/0x130
[  413.457739]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  413.462758]  ? zap_class+0x640/0x640
[  413.466487]  ? print_usage_bug+0xc0/0xc0
[  413.470556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.476101]  ? check_preemption_disabled+0x48/0x280
[  413.481131]  ? __lock_is_held+0xb5/0x140
[  413.485201]  __alloc_pages_nodemask+0xa80/0xde0
[  413.489877]  ? zap_class+0x640/0x640
[  413.493602]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  413.498637]  ? find_held_lock+0x36/0x1c0
[  413.502709]  ? ____cache_alloc_node+0x1c7/0x1e0
[  413.507382]  ? lock_downgrade+0x900/0x900
[  413.511541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.517085]  cache_grow_begin+0xa5/0x8c0
[  413.521152]  ? do_raw_spin_unlock+0xa7/0x330
[  413.525568]  fallback_alloc+0x204/0x2e0
[  413.529554]  ____cache_alloc_node+0x1c7/0x1e0
[  413.534064]  kmem_cache_alloc_node+0xe3/0x730
[  413.538567]  ? ipv6_get_ifaddr+0x42e/0x620
[  413.542814]  __alloc_skb+0x119/0x770
[  413.546532]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.551818]  ? netdev_alloc_frag+0x1f0/0x1f0
[  413.556230]  ? lock_downgrade+0x900/0x900
[  413.560393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.565932]  ? refcount_sub_and_test_checked+0x203/0x310
[  413.571390]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  413.576846]  ? addrconf_rs_timer+0x690/0x690
[  413.581270]  ndisc_alloc_skb+0x144/0x340
[  413.585337]  ndisc_send_rs+0x331/0x6e0
[  413.589240]  addrconf_rs_timer+0x314/0x690
[  413.593488]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.597735]  call_timer_fn+0x272/0x920
[  413.601622]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.605858]  ? process_timeout+0x40/0x40
[  413.609932]  ? mark_held_locks+0xc7/0x130
[  413.614082]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.618580]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.623080]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.627316]  ? lockdep_hardirqs_on+0x296/0x5b0
[  413.631903]  ? trace_hardirqs_on+0xbd/0x310
[  413.636226]  ? kasan_check_read+0x11/0x20
[  413.640374]  ? __run_timers+0x7da/0xc70
[  413.644351]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.649460]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.653702]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.657945]  __run_timers+0x7e5/0xc70
[  413.661757]  ? timer_fixup_init+0x70/0x70
[  413.665908]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  413.670947]  ? zap_class+0x640/0x640
[  413.674671]  ? print_usage_bug+0xc0/0xc0
[  413.678741]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  413.683948]  ? find_held_lock+0x36/0x1c0
[  413.688022]  ? zap_class+0x640/0x640
[  413.691752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.697295]  ? check_preemption_disabled+0x48/0x280
[  413.702323]  ? __lock_is_held+0xb5/0x140
[  413.706386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.711928]  ? check_preemption_disabled+0x48/0x280
[  413.716950]  run_timer_softirq+0x52/0xb0
[  413.721023]  ? rcu_read_lock_sched_held+0x14f/0x180
[  413.726055]  __do_softirq+0x308/0xb7e
[  413.729877]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  413.734375]  ? lock_downgrade+0x900/0x900
[  413.738534]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  413.743652]  ? pvclock_read_flags+0x160/0x160
[  413.748163]  ? lapic_next_event+0x5a/0x90
[  413.752316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.757863]  ? kvm_clock_read+0x18/0x30
[  413.761862]  ? kvm_sched_clock_read+0x9/0x20
[  413.766284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.771824]  ? check_preemption_disabled+0x48/0x280
[  413.776854]  irq_exit+0x17f/0x1c0
[  413.780312]  smp_apic_timer_interrupt+0x1cb/0x760
[  413.785159]  ? smp_reschedule_interrupt+0x109/0x650
[  413.790178]  ? smp_call_function_single_interrupt+0x650/0x650
[  413.796069]  ? interrupt_entry+0xb5/0xc0
[  413.800137]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.805153]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.810176]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.815031]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.820059]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.825079]  ? task_prio+0x50/0x50
[  413.828628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.834174]  ? check_preemption_disabled+0x48/0x280
[  413.839201]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.844068]  apic_timer_interrupt+0xf/0x20
[  413.848300]  </IRQ>
[  413.850556] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  413.855746] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  413.874647] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  413.882386] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  413.889653] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  413.896920] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  413.904191] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  413.911477] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  413.918787]  retint_kernel+0x1b/0x2d
[  413.922506] RIP: 0010:dump_stack+0x358/0x39d
[  413.926914] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  413.945818] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  413.953525] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  413.960797] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  413.968069] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  413.975338] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  413.982621] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  413.989915]  ? dump_stack+0x34f/0x39d
[  413.993744]  ? dump_stack_print_info.cold.1+0x20/0x20
[  413.998941]  ? mark_held_locks+0x130/0x130
[  414.003180]  ? mark_held_locks+0x130/0x130
[  414.007422]  dump_header+0x27b/0xf72
[  414.011149]  ? pagefault_out_of_memory+0x197/0x197
[  414.016091]  ? __lock_acquire+0x62f/0x4c20
[  414.020332]  ? percpu_ref_get_many+0x240/0x240
[  414.024923]  ? print_usage_bug+0xc0/0xc0
[  414.029000]  ? zap_class+0x640/0x640
[  414.032767]  ? print_usage_bug+0xc0/0xc0
[  414.036831]  ? print_usage_bug+0xc0/0xc0
[  414.040896]  ? zap_class+0x640/0x640
[  414.044630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.050175]  ? find_held_lock+0x36/0x1c0
[  414.054245]  ? mark_held_locks+0xc7/0x130
[  414.058398]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  414.063502]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  414.068610]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  414.073200]  ? trace_hardirqs_on+0xbd/0x310
[  414.077521]  ? kasan_check_read+0x11/0x20
[  414.081673]  ? ___ratelimit+0x3b4/0x672
[  414.085648]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.090755]  ? trace_hardirqs_on+0x310/0x310
[  414.095169]  ? lock_downgrade+0x900/0x900
[  414.099326]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  414.104432]  ? ___ratelimit+0x3b9/0x672
[  414.108413]  ? idr_get_free+0xf70/0xf70
[  414.112388]  ? find_held_lock+0x36/0x1c0
[  414.116464]  oom_kill_process.cold.27+0x10/0x903
[  414.121252]  ? zap_class+0x640/0x640
[  414.124967]  ? check_preemption_disabled+0x48/0x280
[  414.129991]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.134927]  ? kasan_check_read+0x11/0x20
[  414.139074]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.144353]  ? oom_evaluate_task+0x540/0x540
[  414.148765]  ? find_held_lock+0x36/0x1c0
[  414.152837]  ? out_of_memory+0x974/0x1430
[  414.157005]  ? lock_downgrade+0x900/0x900
[  414.161173]  ? check_preemption_disabled+0x48/0x280
[  414.166194]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.171128]  ? kasan_check_read+0x11/0x20
[  414.175276]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.180556]  ? rcu_softirq_qs+0x20/0x20
[  414.184537]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.190077]  ? oom_evaluate_task+0x302/0x540
[  414.194492]  out_of_memory+0xa84/0x1430
[  414.198484]  ? oom_killer_disable+0x3a0/0x3a0
[  414.203000]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  414.207964]  ? __ww_mutex_check_waiters+0x160/0x160
[  414.212998]  __alloc_pages_slowpath+0x2354/0x2e10
[  414.217883]  ? warn_alloc+0x120/0x120
[  414.221687]  ? mark_held_locks+0x130/0x130
[  414.225929]  ? find_get_entry+0xaae/0x1120
[  414.230178]  ? filemap_map_pages+0x1a20/0x1a20
[  414.234765]  ? zap_class+0x640/0x640
[  414.238490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.244044]  ? check_preemption_disabled+0x48/0x280
[  414.249071]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.254610]  ? should_fail+0x22d/0xd01
[  414.258505]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.263613]  ? zap_class+0x640/0x640
[  414.267353]  ? __lock_is_held+0xb5/0x140
[  414.271423]  ? mark_held_locks+0x130/0x130
[  414.275664]  ? lock_release+0xa00/0xa00
[  414.279659]  ? perf_trace_sched_process_exec+0x860/0x860
[  414.285117]  ? xa_load+0x2ba/0x460
[  414.288661]  ? lock_downgrade+0x900/0x900
[  414.292828]  ? __might_sleep+0x95/0x190
[  414.296813]  __alloc_pages_nodemask+0xa80/0xde0
[  414.301492]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  414.306508]  ? __page_cache_alloc+0x191/0x5c0
[  414.311024]  ? xa_load+0x2e1/0x460
[  414.314571]  ? xa_clear_mark+0x40/0x40
[  414.318464]  ? zap_class+0x640/0x640
[  414.322187]  ? zap_class+0x640/0x640
[  414.325906]  ? zap_class+0x640/0x640
[  414.329621]  ? __do_page_cache_readahead+0x663/0x810
[  414.334729]  ? find_held_lock+0x36/0x1c0
[  414.338799]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  414.344347]  alloc_pages_current+0x173/0x350
[  414.348761]  __page_cache_alloc+0x38c/0x5c0
[  414.353092]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.358033]  ? kasan_check_read+0x11/0x20
[  414.362191]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.367474]  ? generic_perform_write+0x6a0/0x6a0
[  414.372236]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.377776]  ? check_preemption_disabled+0x48/0x280
[  414.382801]  filemap_fault+0x1595/0x25f0
[  414.386880]  ? __lock_page_or_retry+0xa00/0xa00
[  414.391575]  ? mark_held_locks+0x130/0x130
[  414.395823]  ? filemap_map_pages+0xd6b/0x1a20
[  414.400320]  ? lock_downgrade+0x900/0x900
[  414.404484]  ? check_preemption_disabled+0x48/0x280
[  414.409505]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.414438]  ? kasan_check_read+0x11/0x20
[  414.418584]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.423864]  ? rcu_softirq_qs+0x20/0x20
[  414.427855]  ? filemap_map_pages+0xd92/0x1a20
[  414.432368]  ? find_get_entries_tag+0x1400/0x1400
[  414.437214]  ? ep_scan_ready_list+0xbc7/0x1050
[  414.441799]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.446921]  ? lock_acquire+0x1ed/0x520
[  414.450901]  ? ext4_filemap_fault+0x7a/0xad
[  414.455244]  ? lock_release+0xa00/0xa00
[  414.459231]  ? perf_trace_sched_process_exec+0x860/0x860
[  414.464688]  ? print_usage_bug+0xc0/0xc0
[  414.468756]  ? print_usage_bug+0xc0/0xc0
[  414.472835]  ? down_read+0x8d/0x120
[  414.476463]  ? ext4_filemap_fault+0x7a/0xad
[  414.480786]  ? __down_interruptible+0x700/0x700
[  414.485471]  ext4_filemap_fault+0x82/0xad
[  414.489625]  __do_fault+0x100/0x6b0
[  414.493260]  ? pmd_devmap_trans_unstable+0x220/0x220
[  414.498370]  ? mark_held_locks+0x130/0x130
[  414.502606]  ? mark_held_locks+0x130/0x130
[  414.506846]  ? kasan_check_read+0x11/0x20
[  414.510996]  ? ep_poll+0xffa/0x13d0
[  414.514647]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.519762]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.525306]  __handle_mm_fault+0x3ea0/0x5be0
[  414.529717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.535267]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  414.540120]  ? do_epoll_create+0x590/0x590
[  414.544355]  ? kasan_check_read+0x11/0x20
[  414.548505]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.553781]  ? rcu_softirq_qs+0x20/0x20
[  414.557779]  ? zap_class+0x640/0x640
[  414.561498]  ? zap_class+0x640/0x640
[  414.565225]  ? find_held_lock+0x36/0x1c0
[  414.569296]  ? handle_mm_fault+0x42a/0xc70
[  414.573537]  ? lock_downgrade+0x900/0x900
[  414.577688]  ? check_preemption_disabled+0x48/0x280
[  414.582731]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.587669]  ? kasan_check_read+0x11/0x20
[  414.591818]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.597095]  ? rcu_softirq_qs+0x20/0x20
[  414.601072]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.606185]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.612219]  ? check_preemption_disabled+0x48/0x280
[  414.617245]  handle_mm_fault+0x54f/0xc70
[  414.621312]  ? __handle_mm_fault+0x5be0/0x5be0
[  414.625899]  ? find_vma+0x34/0x190
[  414.629451]  __do_page_fault+0x5e8/0xe60
[  414.633513]  ? trace_hardirqs_off+0xb8/0x310
[  414.637923]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  414.643470]  do_page_fault+0xf2/0x7e0
[  414.647275]  ? vmalloc_sync_all+0x30/0x30
[  414.651424]  ? error_entry+0x70/0xd0
[  414.655141]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.660159]  ? trace_hardirqs_on_caller+0xc0/0x310
[  414.665092]  ? syscall_return_slowpath+0x5e0/0x5e0
[  414.670030]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.674901]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.679918]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  414.685478]  ? prepare_exit_to_usermode+0x291/0x3b0
[  414.690502]  ? page_fault+0x8/0x30
[  414.694062]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.698908]  ? page_fault+0x8/0x30
[  414.702452]  page_fault+0x1e/0x30
[  414.705904] RIP: 0033:0x45df89
[  414.709117] Code: Bad RIP value.
[  414.712483] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  414.717846] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  414.725115] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  414.732384] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  414.739651] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  414.747096] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  414.754396] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  414.754457] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  414.761758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  414.761767] Call Trace:
[  414.768332] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  414.777591]  <IRQ>
[  414.780166] syz-fuzzer cpuset=/ mems_allowed=0
[  414.790387]  dump_stack+0x244/0x39d
[  414.800706]  ? dump_stack_print_info.cold.1+0x20/0x20
[  414.805913]  warn_alloc.cold.116+0xb7/0x1bd
[  414.810240]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  414.815088]  ? lock_downgrade+0x900/0x900
[  414.819249]  ? trace_hardirqs_off+0xb8/0x310
[  414.823666]  ? trace_hardirqs_off+0xb8/0x310
[  414.828091]  __alloc_pages_slowpath+0x26e8/0x2e10
[  414.832968]  ? warn_alloc+0x120/0x120
[  414.836772]  ? print_usage_bug+0xc0/0xc0
[  414.840848]  ? warn_alloc+0x120/0x120
[  414.844656]  ? warn_alloc+0x120/0x120
[  414.848462]  ? print_usage_bug+0xc0/0xc0
[  414.852530]  ? print_usage_bug+0xc0/0xc0
[  414.856602]  ? __lock_acquire+0x62f/0x4c20
[  414.860859]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.866398]  ? should_fail+0x22d/0xd01
[  414.870292]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.875410]  ? __lock_acquire+0x62f/0x4c20
[  414.879656]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.884757]  ? __lock_acquire+0x62f/0x4c20
[  414.888993]  ? should_fail+0x22d/0xd01
[  414.892890]  ? find_held_lock+0x36/0x1c0
[  414.896965]  ? mark_held_locks+0x130/0x130
[  414.901207]  ? mark_held_locks+0x130/0x130
[  414.905439]  ? zap_class+0x640/0x640
[  414.909156]  ? zap_class+0x640/0x640
[  414.912876]  ? print_usage_bug+0xc0/0xc0
[  414.916945]  ? do_raw_spin_unlock+0xa7/0x330
[  414.921354]  ? zap_class+0x640/0x640
[  414.925068]  ? print_usage_bug+0xc0/0xc0
[  414.929130]  ? wq_watchdog_touch+0x9c/0xfe
[  414.933372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.938911]  ? check_preemption_disabled+0x48/0x280
[  414.943938]  ? __lock_is_held+0xb5/0x140
[  414.948008]  __alloc_pages_nodemask+0xa80/0xde0
[  414.952686]  ? zap_class+0x640/0x640
[  414.956406]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  414.961435]  ? find_held_lock+0x36/0x1c0
[  414.965510]  ? ____cache_alloc_node+0x1c7/0x1e0
[  414.970186]  ? lock_downgrade+0x900/0x900
[  414.974348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.979896]  cache_grow_begin+0xa5/0x8c0
[  414.983957]  ? do_raw_spin_unlock+0xa7/0x330
[  414.988383]  fallback_alloc+0x204/0x2e0
[  414.992367]  ____cache_alloc_node+0x1c7/0x1e0
[  414.996873]  kmem_cache_alloc_node+0xe3/0x730
[  415.001375]  ? ipv6_get_ifaddr+0x42e/0x620
[  415.005623]  __alloc_skb+0x119/0x770
[  415.009338]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.014620]  ? netdev_alloc_frag+0x1f0/0x1f0
[  415.019037]  ? lock_downgrade+0x900/0x900
[  415.023200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.028743]  ? refcount_sub_and_test_checked+0x203/0x310
[  415.034202]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  415.039654]  ? addrconf_rs_timer+0x690/0x690
[  415.044077]  ndisc_alloc_skb+0x144/0x340
[  415.048163]  ndisc_send_rs+0x331/0x6e0
[  415.052056]  addrconf_rs_timer+0x314/0x690
[  415.056301]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.060555]  call_timer_fn+0x272/0x920
[  415.064443]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.068678]  ? process_timeout+0x40/0x40
[  415.072748]  ? __run_timers+0x7da/0xc70
[  415.076726]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.081220]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.085714]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.089955]  ? lockdep_hardirqs_on+0x296/0x5b0
[  415.094546]  ? trace_hardirqs_on+0xbd/0x310
[  415.098889]  ? kasan_check_read+0x11/0x20
[  415.103051]  ? __run_timers+0x7da/0xc70
[  415.107038]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.112168]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.116414]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.120684]  __run_timers+0x7e5/0xc70
[  415.124502]  ? timer_fixup_init+0x70/0x70
[  415.128660]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  415.133678]  ? zap_class+0x640/0x640
[  415.137396]  ? enqueue_hrtimer+0x1a5/0x560
[  415.141637]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  415.146837]  ? find_held_lock+0x36/0x1c0
[  415.150904]  ? zap_class+0x640/0x640
[  415.154628]  ? pvclock_read_flags+0x160/0x160
[  415.159134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.164676]  ? check_preemption_disabled+0x48/0x280
[  415.169716]  ? __lock_is_held+0xb5/0x140
[  415.173780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.179323]  ? check_preemption_disabled+0x48/0x280
[  415.184348]  run_timer_softirq+0x52/0xb0
[  415.188411]  ? rcu_read_lock_sched_held+0x14f/0x180
[  415.193433]  __do_softirq+0x308/0xb7e
[  415.197243]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  415.201739]  ? lock_downgrade+0x900/0x900
[  415.205905]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  415.211038]  ? pvclock_read_flags+0x160/0x160
[  415.215547]  ? lapic_next_event+0x5a/0x90
[  415.219711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.225257]  ? kvm_clock_read+0x18/0x30
[  415.229233]  ? kvm_sched_clock_read+0x9/0x20
[  415.233647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.239196]  ? check_preemption_disabled+0x48/0x280
[  415.244226]  irq_exit+0x17f/0x1c0
[  415.247698]  smp_apic_timer_interrupt+0x1cb/0x760
[  415.252545]  ? smp_reschedule_interrupt+0x109/0x650
[  415.257563]  ? smp_call_function_single_interrupt+0x650/0x650
[  415.263451]  ? interrupt_entry+0xb5/0xc0
[  415.267520]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.272545]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.277569]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.282417]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.287431]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.292458]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.297312]  apic_timer_interrupt+0xf/0x20
[  415.301542]  </IRQ>
[  415.303820] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  415.308748] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  415.327645] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  415.335371] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  415.342636] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  415.349904] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  415.357176] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  415.364444] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  415.371782]  skb_clone+0x1bb/0x500
[  415.375322]  ? finish_task_switch+0x2f4/0x910
[  415.379837]  ? skb_split+0x11e0/0x11e0
[  415.383747]  ? preempt_notifier_register+0x200/0x200
[  415.388849]  ? __switch_to_asm+0x34/0x70
[  415.392911]  ? __switch_to_asm+0x34/0x70
[  415.396976]  ? __switch_to_asm+0x40/0x70
[  415.401039]  ? __switch_to_asm+0x34/0x70
[  415.405102]  ? __switch_to_asm+0x40/0x70
[  415.409162]  ? __switch_to_asm+0x34/0x70
[  415.413223]  ? __switch_to_asm+0x40/0x70
[  415.417284]  ? __switch_to_asm+0x34/0x70
[  415.421343]  ? __switch_to_asm+0x34/0x70
[  415.425405]  ? __switch_to_asm+0x40/0x70
[  415.429473]  ? __switch_to_asm+0x34/0x70
[  415.433556]  bpf_clone_redirect+0xb9/0x490
[  415.437790]  ? __schedule+0x8d7/0x21d0
[  415.441684]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  415.446718]  ? __sched_text_start+0x8/0x8
[  415.450872]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  415.455453]  ? retint_kernel+0x2d/0x2d
[  415.459436]  ? trace_hardirqs_on_caller+0xc0/0x310
[  415.464392]  ? find_held_lock+0x36/0x1c0
[  415.468463]  ? lock_acquire+0x1ed/0x520
[  415.472438]  ? bpf_test_run+0x3cb/0x780
[  415.476413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.481998]  ? check_preemption_disabled+0x48/0x280
[  415.487063]  ? kasan_check_read+0x11/0x20
[  415.491214]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.496495]  ? rcu_softirq_qs+0x20/0x20
[  415.500471]  ? preempt_schedule+0x4d/0x60
[  415.504622]  ? ___preempt_schedule+0x16/0x18
[  415.509062]  ? bpf_test_run+0x25d/0x780
[  415.513055]  ? netlink_diag_dump+0x2a0/0x2a0
[  415.517467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.523004]  ? bpf_test_init.isra.10+0x70/0x100
[  415.527689]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  415.532456]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  415.537299]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  415.542839]  ? fput+0x130/0x1a0
[  415.546121]  ? __bpf_prog_get+0x9b/0x290
[  415.550189]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  415.555040]  ? bpf_prog_test_run+0x130/0x1a0
[  415.559453]  ? __x64_sys_bpf+0x3d8/0x520
[  415.563563]  ? bpf_prog_get+0x20/0x20
[  415.567398]  ? do_syscall_64+0x1b9/0x820
[  415.571458]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  415.576826]  ? syscall_return_slowpath+0x5e0/0x5e0
[  415.581767]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.586630]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.591653]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  415.596702]  ? prepare_exit_to_usermode+0x291/0x3b0
[  415.601725]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.606576]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  415.611960] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  415.611965] warn_alloc_show_mem: 1 callbacks suppressed
[  415.611973] Mem-Info:
[  415.618986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  415.624353] active_anon:51179 inactive_anon:236 isolated_anon:0
[  415.624353]  active_file:17 inactive_file:9 isolated_file:0
[  415.624353]  unevictable:0 dirty:0 writeback:0 unstable:0
[  415.624353]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  415.624353]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  415.624353]  free:13694 free_pcp:258 free_cma:0
[  415.626724] Call Trace:
[  415.636147] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  415.668922]  <IRQ>
[  415.671494] 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
[  415.699000]  dump_stack+0x244/0x39d
[  415.701131] lowmem_reserve[]: 0 2818 6321 6321
[  415.727262]  ? dump_stack_print_info.cold.1+0x20/0x20
[  415.730892] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  415.735483]  warn_alloc.cold.116+0xb7/0x1bd
[  415.740638] lowmem_reserve[]: 0 0 3503 3503
[  415.767789]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  415.772085] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  415.776404]  ? lock_downgrade+0x900/0x900
[  415.781223] lowmem_reserve[]: 0 0 0 0
[  415.810196]  ? trace_hardirqs_off+0xb8/0x310
[  415.814320] 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
[  415.818116]  ? trace_hardirqs_off+0xb8/0x310
[  415.822509] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  415.836041]  __alloc_pages_slowpath+0x26e8/0x2e10
[  415.840419] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  415.855606]  ? warn_alloc+0x120/0x120
[  415.860410] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  415.874617]  ? print_usage_bug+0xc0/0xc0
[  415.878399] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  415.887221]  ? warn_alloc+0x120/0x120
[  415.891261] 309 total pagecache pages
[  415.899893]  ? warn_alloc+0x120/0x120
[  415.903674] 0 pages in swap cache
[  415.907492]  ? print_usage_bug+0xc0/0xc0
[  415.911270] Swap cache stats: add 0, delete 0, find 0/0
[  415.914718]  ? kvm_clock_read+0x18/0x30
[  415.918756] Free swap  = 0kB
[  415.924114]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  415.928076] Total swap = 0kB
[  415.931088]  ? print_usage_bug+0xc0/0xc0
[  415.936082] 1965979 pages RAM
[  415.939094]  ? __lock_acquire+0x62f/0x4c20
[  415.943133] 0 pages HighMem/MovableOnly
[  415.946234]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.950442] 342853 pages reserved
[  415.954409]  ? should_fail+0x22d/0xd01
[  415.959919] 0 pages cma reserved
[  415.963368]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.967289] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  415.970592]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.976011] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  415.982333]  ? __lock_acquire+0x62f/0x4c20
[  415.987413] syz-executor2 cpuset=syz2 mems_allowed=0
[  415.997892]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.012314]  ? __lock_acquire+0x62f/0x4c20
[  416.016548]  ? should_fail+0x22d/0xd01
[  416.020434]  ? rcu_irq_exit+0x1a2/0x390
[  416.024421]  ? mark_held_locks+0x130/0x130
[  416.028663]  ? mark_held_locks+0x130/0x130
[  416.032905]  ? mark_held_locks+0xc7/0x130
[  416.037059]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  416.042079]  ? zap_class+0x640/0x640
[  416.045794]  ? print_usage_bug+0xc0/0xc0
[  416.049860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.055400]  ? check_preemption_disabled+0x48/0x280
[  416.060431]  ? __lock_is_held+0xb5/0x140
[  416.064503]  __alloc_pages_nodemask+0xa80/0xde0
[  416.069172]  ? zap_class+0x640/0x640
[  416.072894]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  416.077936]  ? find_held_lock+0x36/0x1c0
[  416.082009]  ? ____cache_alloc_node+0x1c7/0x1e0
[  416.086693]  ? lock_downgrade+0x900/0x900
[  416.090850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.096393]  cache_grow_begin+0xa5/0x8c0
[  416.100456]  ? do_raw_spin_unlock+0xa7/0x330
[  416.104876]  fallback_alloc+0x204/0x2e0
[  416.108859]  ____cache_alloc_node+0x1c7/0x1e0
[  416.113361]  kmem_cache_alloc_node+0xe3/0x730
[  416.117856]  ? ipv6_get_ifaddr+0x42e/0x620
[  416.122129]  __alloc_skb+0x119/0x770
[  416.125846]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.131128]  ? netdev_alloc_frag+0x1f0/0x1f0
[  416.135538]  ? lock_downgrade+0x900/0x900
[  416.139739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.145277]  ? refcount_sub_and_test_checked+0x203/0x310
[  416.150736]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  416.156189]  ? addrconf_rs_timer+0x690/0x690
[  416.160636]  ndisc_alloc_skb+0x144/0x340
[  416.164702]  ndisc_send_rs+0x331/0x6e0
[  416.168600]  addrconf_rs_timer+0x314/0x690
[  416.172842]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.177092]  call_timer_fn+0x272/0x920
[  416.180980]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.185226]  ? process_timeout+0x40/0x40
[  416.189301]  ? mark_held_locks+0xc7/0x130
[  416.193467]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.197963]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.202456]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.206691]  ? lockdep_hardirqs_on+0x296/0x5b0
[  416.211292]  ? trace_hardirqs_on+0xbd/0x310
[  416.215624]  ? kasan_check_read+0x11/0x20
[  416.219771]  ? __run_timers+0x7da/0xc70
[  416.223747]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.228856]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.233098]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.237330]  __run_timers+0x7e5/0xc70
[  416.241168]  ? timer_fixup_init+0x70/0x70
[  416.245320]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  416.250341]  ? zap_class+0x640/0x640
[  416.254066]  ? print_usage_bug+0xc0/0xc0
[  416.258131]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  416.263329]  ? find_held_lock+0x36/0x1c0
[  416.267395]  ? zap_class+0x640/0x640
[  416.271118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.276658]  ? check_preemption_disabled+0x48/0x280
[  416.281687]  ? __lock_is_held+0xb5/0x140
[  416.285749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.291288]  ? check_preemption_disabled+0x48/0x280
[  416.296311]  run_timer_softirq+0x52/0xb0
[  416.300376]  ? rcu_read_lock_sched_held+0x14f/0x180
[  416.305393]  __do_softirq+0x308/0xb7e
[  416.309202]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  416.313710]  ? lock_downgrade+0x900/0x900
[  416.317862]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  416.322973]  ? pvclock_read_flags+0x160/0x160
[  416.327471]  ? lapic_next_event+0x5a/0x90
[  416.331635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.337179]  ? kvm_clock_read+0x18/0x30
[  416.341160]  ? kvm_sched_clock_read+0x9/0x20
[  416.345573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.351115]  ? check_preemption_disabled+0x48/0x280
[  416.356143]  irq_exit+0x17f/0x1c0
[  416.359602]  smp_apic_timer_interrupt+0x1cb/0x760
[  416.364444]  ? smp_reschedule_interrupt+0x109/0x650
[  416.369466]  ? smp_call_function_single_interrupt+0x650/0x650
[  416.375351]  ? interrupt_entry+0xb5/0xc0
[  416.379413]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.384427]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.389446]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.394291]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.399395]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.404410]  ? task_prio+0x50/0x50
[  416.407952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.413520]  ? check_preemption_disabled+0x48/0x280
[  416.418592]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.423471]  apic_timer_interrupt+0xf/0x20
[  416.427699]  </IRQ>
[  416.429933] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  416.435125] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  416.454034] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  416.461766] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  416.469046] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  416.476315] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  416.483582] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  416.490884] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  416.498181]  retint_kernel+0x1b/0x2d
[  416.501900] RIP: 0010:dump_stack+0x358/0x39d
[  416.506307] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  416.525204] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  416.532912] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  416.540176] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  416.547447] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  416.554714] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  416.562034] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  416.569326]  ? dump_stack+0x34f/0x39d
[  416.573143]  ? dump_stack_print_info.cold.1+0x20/0x20
[  416.578354]  ? mark_held_locks+0x130/0x130
[  416.582589]  ? mark_held_locks+0x130/0x130
[  416.586833]  dump_header+0x27b/0xf72
[  416.590564]  ? pagefault_out_of_memory+0x197/0x197
[  416.595504]  ? __lock_acquire+0x62f/0x4c20
[  416.599746]  ? percpu_ref_get_many+0x240/0x240
[  416.604334]  ? print_usage_bug+0xc0/0xc0
[  416.608402]  ? zap_class+0x640/0x640
[  416.612561]  ? print_usage_bug+0xc0/0xc0
[  416.616630]  ? print_usage_bug+0xc0/0xc0
[  416.620704]  ? zap_class+0x640/0x640
[  416.624435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.630002]  ? find_held_lock+0x36/0x1c0
[  416.634129]  ? mark_held_locks+0xc7/0x130
[  416.638311]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  416.643418]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  416.648541]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  416.653131]  ? trace_hardirqs_on+0xbd/0x310
[  416.657453]  ? kasan_check_read+0x11/0x20
[  416.661599]  ? ___ratelimit+0x3b4/0x672
[  416.665579]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.670685]  ? trace_hardirqs_on+0x310/0x310
[  416.675095]  ? lock_downgrade+0x900/0x900
[  416.679339]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  416.684460]  ? ___ratelimit+0x3b9/0x672
[  416.688452]  ? idr_get_free+0xf70/0xf70
[  416.692427]  ? find_held_lock+0x36/0x1c0
[  416.696504]  oom_kill_process.cold.27+0x10/0x903
[  416.701281]  ? zap_class+0x640/0x640
[  416.704995]  ? check_preemption_disabled+0x48/0x280
[  416.710082]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  416.715012]  ? kasan_check_read+0x11/0x20
[  416.719244]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.724570]  ? oom_evaluate_task+0x540/0x540
[  416.728998]  ? find_held_lock+0x36/0x1c0
[  416.733081]  ? out_of_memory+0x974/0x1430
[  416.737248]  ? lock_downgrade+0x900/0x900
[  416.741398]  ? check_preemption_disabled+0x48/0x280
[  416.746586]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  416.751524]  ? kasan_check_read+0x11/0x20
[  416.755670]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.760955]  ? rcu_softirq_qs+0x20/0x20
[  416.764936]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.770474]  ? oom_evaluate_task+0x302/0x540
[  416.774886]  out_of_memory+0xa84/0x1430
[  416.778887]  ? oom_killer_disable+0x3a0/0x3a0
[  416.783453]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  416.788387]  ? __ww_mutex_check_waiters+0x160/0x160
[  416.793420]  __alloc_pages_slowpath+0x2354/0x2e10
[  416.798290]  ? warn_alloc+0x120/0x120
[  416.802111]  ? mark_held_locks+0x130/0x130
[  416.806352]  ? find_get_entry+0xaae/0x1120
[  416.810602]  ? filemap_map_pages+0x1a20/0x1a20
[  416.815189]  ? zap_class+0x640/0x640
[  416.818911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.824451]  ? check_preemption_disabled+0x48/0x280
[  416.829513]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.835062]  ? should_fail+0x22d/0xd01
[  416.838962]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.844071]  ? zap_class+0x640/0x640
[  416.847825]  ? __lock_is_held+0xb5/0x140
[  416.851915]  ? mark_held_locks+0x130/0x130
[  416.856157]  ? lock_release+0xa00/0xa00
[  416.860168]  ? perf_trace_sched_process_exec+0x860/0x860
[  416.865617]  ? xa_load+0x2ba/0x460
[  416.869160]  ? lock_downgrade+0x900/0x900
[  416.873332]  ? __might_sleep+0x95/0x190
[  416.877311]  __alloc_pages_nodemask+0xa80/0xde0
[  416.881988]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  416.887048]  ? __page_cache_alloc+0x191/0x5c0
[  416.891590]  ? xa_load+0x2e1/0x460
[  416.895188]  ? xa_clear_mark+0x40/0x40
[  416.899094]  ? zap_class+0x640/0x640
[  416.902816]  ? zap_class+0x640/0x640
[  416.906535]  ? zap_class+0x640/0x640
[  416.911296]  ? __do_page_cache_readahead+0x663/0x810
[  416.916405]  ? find_held_lock+0x36/0x1c0
[  416.920485]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  416.926045]  alloc_pages_current+0x173/0x350
[  416.930467]  __page_cache_alloc+0x38c/0x5c0
[  416.934805]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  416.939739]  ? kasan_check_read+0x11/0x20
[  416.943892]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.949172]  ? generic_perform_write+0x6a0/0x6a0
[  416.953929]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.959468]  ? check_preemption_disabled+0x48/0x280
[  416.964495]  filemap_fault+0x1595/0x25f0
[  416.968573]  ? __lock_page_or_retry+0xa00/0xa00
[  416.973246]  ? mark_held_locks+0x130/0x130
[  416.977495]  ? filemap_map_pages+0xd6b/0x1a20
[  416.981994]  ? lock_downgrade+0x900/0x900
[  416.986153]  ? check_preemption_disabled+0x48/0x280
[  416.991173]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  416.996105]  ? kasan_check_read+0x11/0x20
[  417.000251]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.005537]  ? rcu_softirq_qs+0x20/0x20
[  417.009524]  ? filemap_map_pages+0xd92/0x1a20
[  417.014046]  ? find_get_entries_tag+0x1400/0x1400
[  417.018896]  ? ep_scan_ready_list+0xbc7/0x1050
[  417.023481]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.028600]  ? lock_acquire+0x1ed/0x520
[  417.032595]  ? ext4_filemap_fault+0x7a/0xad
[  417.036927]  ? lock_release+0xa00/0xa00
[  417.040902]  ? perf_trace_sched_process_exec+0x860/0x860
[  417.046359]  ? print_usage_bug+0xc0/0xc0
[  417.050422]  ? print_usage_bug+0xc0/0xc0
[  417.054495]  ? down_read+0x8d/0x120
[  417.058143]  ? ext4_filemap_fault+0x7a/0xad
[  417.062525]  ? __down_interruptible+0x700/0x700
[  417.067230]  ext4_filemap_fault+0x82/0xad
[  417.071384]  __do_fault+0x100/0x6b0
[  417.075034]  ? pmd_devmap_trans_unstable+0x220/0x220
[  417.080145]  ? mark_held_locks+0x130/0x130
[  417.084384]  ? mark_held_locks+0x130/0x130
[  417.088618]  ? kasan_check_read+0x11/0x20
[  417.092781]  ? ep_poll+0xffa/0x13d0
[  417.096409]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.101518]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.107066]  __handle_mm_fault+0x3ea0/0x5be0
[  417.111517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.117076]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  417.121924]  ? do_epoll_create+0x590/0x590
[  417.126171]  ? kasan_check_read+0x11/0x20
[  417.130334]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.135609]  ? rcu_softirq_qs+0x20/0x20
[  417.139618]  ? zap_class+0x640/0x640
[  417.143357]  ? zap_class+0x640/0x640
[  417.147096]  ? find_held_lock+0x36/0x1c0
[  417.151169]  ? handle_mm_fault+0x42a/0xc70
[  417.155410]  ? lock_downgrade+0x900/0x900
[  417.159562]  ? check_preemption_disabled+0x48/0x280
[  417.164600]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  417.169527]  ? kasan_check_read+0x11/0x20
[  417.173676]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.178953]  ? rcu_softirq_qs+0x20/0x20
[  417.182932]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.188048]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.193588]  ? check_preemption_disabled+0x48/0x280
[  417.198616]  handle_mm_fault+0x54f/0xc70
[  417.202698]  ? __handle_mm_fault+0x5be0/0x5be0
[  417.207285]  ? find_vma+0x34/0x190
[  417.210832]  __do_page_fault+0x5e8/0xe60
[  417.214891]  ? trace_hardirqs_off+0xb8/0x310
[  417.219299]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  417.224847]  do_page_fault+0xf2/0x7e0
[  417.228676]  ? vmalloc_sync_all+0x30/0x30
[  417.232872]  ? error_entry+0x70/0xd0
[  417.236588]  ? trace_hardirqs_off_caller+0xbb/0x310
[  417.241606]  ? trace_hardirqs_on_caller+0xc0/0x310
[  417.246537]  ? syscall_return_slowpath+0x5e0/0x5e0
[  417.251464]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.256310]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.261324]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  417.266814]  ? prepare_exit_to_usermode+0x291/0x3b0
[  417.271863]  ? page_fault+0x8/0x30
[  417.275409]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.280257]  ? page_fault+0x8/0x30
[  417.283844]  page_fault+0x1e/0x30
[  417.287297] RIP: 0033:0x45df89
[  417.290504] Code: Bad RIP value.
[  417.293866] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  417.299230] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  417.306495] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  417.313776] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  417.321078] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  417.328346] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  417.335657] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  417.335721] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  417.343029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  417.343034] Call Trace:
[  417.343040]  <IRQ>
[  417.343059]  dump_stack+0x244/0x39d
[  417.343081]  ? dump_stack_print_info.cold.1+0x20/0x20
[  417.349626] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  417.358909]  warn_alloc.cold.116+0xb7/0x1bd
[  417.361466] syz-fuzzer cpuset=/ mems_allowed=0
[  417.363611]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  417.396303]  ? lock_downgrade+0x900/0x900
[  417.400461]  ? trace_hardirqs_off+0xb8/0x310
[  417.404894]  ? trace_hardirqs_off+0xb8/0x310
[  417.409309]  __alloc_pages_slowpath+0x26e8/0x2e10
[  417.414188]  ? warn_alloc+0x120/0x120
[  417.418000]  ? warn_alloc+0x120/0x120
[  417.421815]  ? warn_alloc+0x120/0x120
[  417.425633]  ? print_usage_bug+0xc0/0xc0
[  417.429707]  ? warn_alloc+0x120/0x120
[  417.433545]  ? print_usage_bug+0xc0/0xc0
[  417.437618]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.443183]  ? should_fail+0x22d/0xd01
[  417.447075]  ? __lock_acquire+0x62f/0x4c20
[  417.451315]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.456424]  ? __lock_acquire+0x62f/0x4c20
[  417.460663]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.465766]  ? __lock_acquire+0x62f/0x4c20
[  417.469998]  ? should_fail+0x22d/0xd01
[  417.473905]  ? mark_held_locks+0x130/0x130
[  417.478149]  ? mark_held_locks+0x130/0x130
[  417.482384]  ? try_to_wake_up+0x11c/0x1490
[  417.486650]  ? lock_downgrade+0x900/0x900
[  417.490804]  ? zap_class+0x640/0x640
[  417.494522]  ? print_usage_bug+0xc0/0xc0
[  417.498588]  ? trace_hardirqs_off+0xb8/0x310
[  417.503032]  ? kasan_check_read+0x11/0x20
[  417.507183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.512725]  ? check_preemption_disabled+0x48/0x280
[  417.517769]  ? __lock_is_held+0xb5/0x140
[  417.521836]  __alloc_pages_nodemask+0xa80/0xde0
[  417.526506]  ? zap_class+0x640/0x640
[  417.530247]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  417.535275]  ? find_held_lock+0x36/0x1c0
[  417.539360]  ? ____cache_alloc_node+0x1c7/0x1e0
[  417.544041]  ? lock_downgrade+0x900/0x900
[  417.548199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.553742]  cache_grow_begin+0xa5/0x8c0
[  417.557806]  ? do_raw_spin_unlock+0xa7/0x330
[  417.562225]  fallback_alloc+0x204/0x2e0
[  417.566213]  ____cache_alloc_node+0x1c7/0x1e0
[  417.570719]  kmem_cache_alloc_node+0xe3/0x730
[  417.575215]  ? ipv6_get_ifaddr+0x42e/0x620
[  417.579463]  __alloc_skb+0x119/0x770
[  417.583195]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.588490]  ? netdev_alloc_frag+0x1f0/0x1f0
[  417.592948]  ? lock_downgrade+0x900/0x900
[  417.597107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.602646]  ? refcount_sub_and_test_checked+0x203/0x310
[  417.608106]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  417.613561]  ? addrconf_rs_timer+0x690/0x690
[  417.617989]  ndisc_alloc_skb+0x144/0x340
[  417.622064]  ndisc_send_rs+0x331/0x6e0
[  417.625958]  addrconf_rs_timer+0x314/0x690
[  417.630199]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.634450]  call_timer_fn+0x272/0x920
[  417.638339]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.642575]  ? process_timeout+0x40/0x40
[  417.646643]  ? __run_timers+0x7da/0xc70
[  417.650650]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.655174]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.659667]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.663916]  ? lockdep_hardirqs_on+0x296/0x5b0
[  417.668530]  ? trace_hardirqs_on+0xbd/0x310
[  417.672858]  ? kasan_check_read+0x11/0x20
[  417.677009]  ? __run_timers+0x7da/0xc70
[  417.681055]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.686165]  ? __queue_work+0x1440/0x1440
[  417.690323]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.694558]  __run_timers+0x7e5/0xc70
[  417.698372]  ? timer_fixup_init+0x70/0x70
[  417.702548]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  417.707574]  ? zap_class+0x640/0x640
[  417.711293]  ? enqueue_hrtimer+0x1a5/0x560
[  417.715529]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  417.720749]  ? find_held_lock+0x36/0x1c0
[  417.724817]  ? zap_class+0x640/0x640
[  417.728574]  ? pvclock_read_flags+0x160/0x160
[  417.733073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.738613]  ? check_preemption_disabled+0x48/0x280
[  417.743656]  ? __lock_is_held+0xb5/0x140
[  417.747748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.753313]  ? check_preemption_disabled+0x48/0x280
[  417.758338]  run_timer_softirq+0x52/0xb0
[  417.762404]  ? rcu_read_lock_sched_held+0x14f/0x180
[  417.767428]  __do_softirq+0x308/0xb7e
[  417.771233]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  417.775728]  ? lock_downgrade+0x900/0x900
[  417.779899]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  417.785009]  ? pvclock_read_flags+0x160/0x160
[  417.789520]  ? lapic_next_event+0x5a/0x90
[  417.793676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.799219]  ? kvm_clock_read+0x18/0x30
[  417.803195]  ? kvm_sched_clock_read+0x9/0x20
[  417.807610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.813149]  ? check_preemption_disabled+0x48/0x280
[  417.818189]  irq_exit+0x17f/0x1c0
[  417.821659]  smp_apic_timer_interrupt+0x1cb/0x760
[  417.826512]  ? smp_reschedule_interrupt+0x109/0x650
[  417.831545]  ? smp_call_function_single_interrupt+0x650/0x650
[  417.837430]  ? interrupt_entry+0xb5/0xc0
[  417.841496]  ? trace_hardirqs_off_caller+0xbb/0x310
[  417.846519]  ? trace_hardirqs_off_caller+0xbb/0x310
[  417.851548]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.856394]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.861409]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.866440]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.871291]  apic_timer_interrupt+0xf/0x20
[  417.875518]  </IRQ>
[  417.877763] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  417.882696] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  417.901612] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  417.909335] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  417.916617] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  417.923886] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  417.931157] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  417.938424] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  417.945735]  skb_clone+0x1bb/0x500
[  417.949278]  ? finish_task_switch+0x2f4/0x910
[  417.953774]  ? skb_split+0x11e0/0x11e0
[  417.957677]  ? preempt_notifier_register+0x200/0x200
[  417.962779]  ? __switch_to_asm+0x34/0x70
[  417.966841]  ? __switch_to_asm+0x34/0x70
[  417.970905]  ? __switch_to_asm+0x40/0x70
[  417.974966]  ? __switch_to_asm+0x34/0x70
[  417.979032]  ? __switch_to_asm+0x40/0x70
[  417.983104]  ? __switch_to_asm+0x34/0x70
[  417.987162]  ? __switch_to_asm+0x40/0x70
[  417.991220]  ? __switch_to_asm+0x34/0x70
[  417.995282]  ? __switch_to_asm+0x34/0x70
[  417.999339]  ? __switch_to_asm+0x40/0x70
[  418.003400]  ? __switch_to_asm+0x34/0x70
[  418.007468]  bpf_clone_redirect+0xb9/0x490
[  418.011726]  ? __schedule+0x8d7/0x21d0
[  418.015618]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  418.020637]  ? __sched_text_start+0x8/0x8
[  418.024803]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  418.029383]  ? retint_kernel+0x2d/0x2d
[  418.033277]  ? trace_hardirqs_on_caller+0xc0/0x310
[  418.038219]  ? find_held_lock+0x36/0x1c0
[  418.042294]  ? lock_acquire+0x1ed/0x520
[  418.046291]  ? bpf_test_run+0x3cb/0x780
[  418.050280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.055837]  ? check_preemption_disabled+0x48/0x280
[  418.060873]  ? kasan_check_read+0x11/0x20
[  418.065029]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.070306]  ? rcu_softirq_qs+0x20/0x20
[  418.074284]  ? preempt_schedule+0x4d/0x60
[  418.078435]  ? ___preempt_schedule+0x16/0x18
[  418.082853]  ? bpf_test_run+0x25d/0x780
[  418.086842]  ? netlink_diag_dump+0x2a0/0x2a0
[  418.091253]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.096795]  ? bpf_test_init.isra.10+0x70/0x100
[  418.101528]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  418.106305]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  418.111149]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  418.116687]  ? fput+0x130/0x1a0
[  418.119992]  ? __bpf_prog_get+0x9b/0x290
[  418.124063]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  418.128907]  ? bpf_prog_test_run+0x130/0x1a0
[  418.133320]  ? __x64_sys_bpf+0x3d8/0x520
[  418.137383]  ? bpf_prog_get+0x20/0x20
[  418.141203]  ? do_syscall_64+0x1b9/0x820
[  418.145264]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  418.150632]  ? syscall_return_slowpath+0x5e0/0x5e0
[  418.155567]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.160429]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.165478]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  418.170496]  ? prepare_exit_to_usermode+0x291/0x3b0
[  418.175517]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.180371]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  418.185773] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  418.185778] warn_alloc_show_mem: 1 callbacks suppressed
[  418.185786] Mem-Info:
[  418.192809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  418.198190] active_anon:51179 inactive_anon:236 isolated_anon:0
[  418.198190]  active_file:17 inactive_file:9 isolated_file:0
[  418.198190]  unevictable:0 dirty:0 writeback:0 unstable:0
[  418.198190]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  418.198190]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  418.198190]  free:13694 free_pcp:258 free_cma:0
[  418.200563] Call Trace:
[  418.209971] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  418.242729]  <IRQ>
[  418.245297] 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
[  418.272792]  dump_stack+0x244/0x39d
[  418.274916] lowmem_reserve[]: 0 2818 6321 6321
[  418.301028]  ? dump_stack_print_info.cold.1+0x20/0x20
[  418.304627] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  418.309211]  warn_alloc.cold.116+0xb7/0x1bd
[  418.314369] lowmem_reserve[]: 0 0 3503 3503
[  418.341533]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  418.345870] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  418.350190]  ? lock_downgrade+0x900/0x900
[  418.355006] lowmem_reserve[]: 0 0 0 0
[  418.383992]  ? trace_hardirqs_off+0xb8/0x310
[  418.388116] 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
[  418.391918]  ? trace_hardirqs_off+0xb8/0x310
[  418.396298] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  418.409816]  __alloc_pages_slowpath+0x26e8/0x2e10
[  418.414201] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  418.429391]  ? warn_alloc+0x120/0x120
[  418.434193] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  418.448396]  ? print_usage_bug+0xc0/0xc0
[  418.452179] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  418.461000]  ? warn_alloc+0x120/0x120
[  418.465063] 309 total pagecache pages
[  418.473631]  ? warn_alloc+0x120/0x120
[  418.477414] 0 pages in swap cache
[  418.481206]  ? print_usage_bug+0xc0/0xc0
[  418.484987] Swap cache stats: add 0, delete 0, find 0/0
[  418.488428]  ? print_usage_bug+0xc0/0xc0
[  418.492465] Free swap  = 0kB
[  418.497819]  ? __lock_acquire+0x62f/0x4c20
[  418.501855] Total swap = 0kB
[  418.504885]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.509095] 1965979 pages RAM
[  418.512109]  ? should_fail+0x22d/0xd01
[  418.517621] 0 pages HighMem/MovableOnly
[  418.520721]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.524607] 342853 pages reserved
[  418.528575]  ? __lock_acquire+0x62f/0x4c20
[  418.533655] 0 pages cma reserved
[  418.537121]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.541391] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  418.544696]  ? __lock_acquire+0x62f/0x4c20
[  418.544707]  ? should_fail+0x22d/0xd01
[  418.544720]  ? find_held_lock+0x36/0x1c0
[  418.544741]  ? mark_held_locks+0x130/0x130
[  418.549874] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  418.556306]  ? mark_held_locks+0x130/0x130
[  418.560516] syz-executor2 cpuset=syz2 mems_allowed=0
[  418.564412]  ? zap_class+0x640/0x640
[  418.596153]  ? zap_class+0x640/0x640
[  418.599869]  ? print_usage_bug+0xc0/0xc0
[  418.603932]  ? do_raw_spin_unlock+0xa7/0x330
[  418.608360]  ? zap_class+0x640/0x640
[  418.612563]  ? print_usage_bug+0xc0/0xc0
[  418.616628]  ? wq_watchdog_touch+0x9c/0xfe
[  418.620865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.626420]  ? check_preemption_disabled+0x48/0x280
[  418.631446]  ? __lock_is_held+0xb5/0x140
[  418.635516]  __alloc_pages_nodemask+0xa80/0xde0
[  418.640184]  ? zap_class+0x640/0x640
[  418.643903]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  418.648932]  ? find_held_lock+0x36/0x1c0
[  418.653009]  ? ____cache_alloc_node+0x1c7/0x1e0
[  418.657695]  ? lock_downgrade+0x900/0x900
[  418.661894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.667433]  cache_grow_begin+0xa5/0x8c0
[  418.671509]  ? do_raw_spin_unlock+0xa7/0x330
[  418.675927]  fallback_alloc+0x204/0x2e0
[  418.679910]  ____cache_alloc_node+0x1c7/0x1e0
[  418.684413]  kmem_cache_alloc_node+0xe3/0x730
[  418.688918]  ? ipv6_get_ifaddr+0x42e/0x620
[  418.693168]  __alloc_skb+0x119/0x770
[  418.696886]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.702173]  ? netdev_alloc_frag+0x1f0/0x1f0
[  418.706583]  ? lock_downgrade+0x900/0x900
[  418.710745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.716286]  ? refcount_sub_and_test_checked+0x203/0x310
[  418.721746]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  418.727202]  ? addrconf_rs_timer+0x690/0x690
[  418.731628]  ndisc_alloc_skb+0x144/0x340
[  418.735700]  ndisc_send_rs+0x331/0x6e0
[  418.739599]  addrconf_rs_timer+0x314/0x690
[  418.743986]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.748276]  call_timer_fn+0x272/0x920
[  418.752186]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.756423]  ? process_timeout+0x40/0x40
[  418.760508]  ? mark_held_locks+0xc7/0x130
[  418.764698]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.769192]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.773704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.777956]  ? lockdep_hardirqs_on+0x296/0x5b0
[  418.782577]  ? trace_hardirqs_on+0xbd/0x310
[  418.786901]  ? kasan_check_read+0x11/0x20
[  418.791057]  ? __run_timers+0x7da/0xc70
[  418.795042]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.800166]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.804409]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.808642]  __run_timers+0x7e5/0xc70
[  418.812455]  ? timer_fixup_init+0x70/0x70
[  418.816608]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  418.821628]  ? zap_class+0x640/0x640
[  418.825368]  ? print_usage_bug+0xc0/0xc0
[  418.829445]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  418.834643]  ? find_held_lock+0x36/0x1c0
[  418.838709]  ? zap_class+0x640/0x640
[  418.842431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.847974]  ? check_preemption_disabled+0x48/0x280
[  418.853005]  ? __lock_is_held+0xb5/0x140
[  418.857084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.862623]  ? check_preemption_disabled+0x48/0x280
[  418.867648]  run_timer_softirq+0x52/0xb0
[  418.871713]  ? rcu_read_lock_sched_held+0x14f/0x180
[  418.876736]  __do_softirq+0x308/0xb7e
[  418.880566]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  418.885069]  ? lock_downgrade+0x900/0x900
[  418.889222]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  418.894337]  ? pvclock_read_flags+0x160/0x160
[  418.898837]  ? lapic_next_event+0x5a/0x90
[  418.902989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.908545]  ? kvm_clock_read+0x18/0x30
[  418.912521]  ? kvm_sched_clock_read+0x9/0x20
[  418.916948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.922491]  ? check_preemption_disabled+0x48/0x280
[  418.927518]  irq_exit+0x17f/0x1c0
[  418.930976]  smp_apic_timer_interrupt+0x1cb/0x760
[  418.935816]  ? smp_reschedule_interrupt+0x109/0x650
[  418.940836]  ? smp_call_function_single_interrupt+0x650/0x650
[  418.946718]  ? interrupt_entry+0xb5/0xc0
[  418.950782]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.955796]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.960810]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.965669]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.970685]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.975705]  ? task_prio+0x50/0x50
[  418.979251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.984833]  ? check_preemption_disabled+0x48/0x280
[  418.989856]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.994707]  apic_timer_interrupt+0xf/0x20
[  418.998938]  </IRQ>
[  419.001196] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  419.006387] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  419.025289] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  419.033002] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  419.040297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  419.047565] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  419.054833] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  419.062101] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  419.069399]  retint_kernel+0x1b/0x2d
[  419.073117] RIP: 0010:dump_stack+0x358/0x39d
[  419.077523] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  419.096424] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  419.104134] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  419.111404] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  419.118676] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  419.125946] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  419.133212] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  419.140515]  ? dump_stack+0x34f/0x39d
[  419.144330]  ? dump_stack_print_info.cold.1+0x20/0x20
[  419.149557]  ? mark_held_locks+0x130/0x130
[  419.153810]  ? mark_held_locks+0x130/0x130
[  419.158061]  dump_header+0x27b/0xf72
[  419.161790]  ? pagefault_out_of_memory+0x197/0x197
[  419.166732]  ? __lock_acquire+0x62f/0x4c20
[  419.170971]  ? percpu_ref_get_many+0x240/0x240
[  419.175556]  ? print_usage_bug+0xc0/0xc0
[  419.179622]  ? zap_class+0x640/0x640
[  419.183337]  ? print_usage_bug+0xc0/0xc0
[  419.187397]  ? print_usage_bug+0xc0/0xc0
[  419.191463]  ? zap_class+0x640/0x640
[  419.195183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.200724]  ? find_held_lock+0x36/0x1c0
[  419.204799]  ? mark_held_locks+0xc7/0x130
[  419.208954]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  419.214064]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  419.219169]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  419.223757]  ? trace_hardirqs_on+0xbd/0x310
[  419.228077]  ? kasan_check_read+0x11/0x20
[  419.232224]  ? ___ratelimit+0x3b4/0x672
[  419.236204]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.241310]  ? trace_hardirqs_on+0x310/0x310
[  419.245724]  ? lock_downgrade+0x900/0x900
[  419.249879]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  419.255001]  ? ___ratelimit+0x3b9/0x672
[  419.258989]  ? idr_get_free+0xf70/0xf70
[  419.262970]  ? find_held_lock+0x36/0x1c0
[  419.267057]  oom_kill_process.cold.27+0x10/0x903
[  419.271818]  ? zap_class+0x640/0x640
[  419.275535]  ? check_preemption_disabled+0x48/0x280
[  419.280557]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.285501]  ? kasan_check_read+0x11/0x20
[  419.289653]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.294932]  ? oom_evaluate_task+0x540/0x540
[  419.299346]  ? find_held_lock+0x36/0x1c0
[  419.303418]  ? out_of_memory+0x974/0x1430
[  419.307615]  ? lock_downgrade+0x900/0x900
[  419.311763]  ? check_preemption_disabled+0x48/0x280
[  419.316817]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.321745]  ? kasan_check_read+0x11/0x20
[  419.325895]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.331174]  ? rcu_softirq_qs+0x20/0x20
[  419.335170]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.340711]  ? oom_evaluate_task+0x302/0x540
[  419.345129]  out_of_memory+0xa84/0x1430
[  419.349113]  ? oom_killer_disable+0x3a0/0x3a0
[  419.353611]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  419.358544]  ? __ww_mutex_check_waiters+0x160/0x160
[  419.363575]  __alloc_pages_slowpath+0x2354/0x2e10
[  419.368453]  ? warn_alloc+0x120/0x120
[  419.372256]  ? mark_held_locks+0x130/0x130
[  419.376498]  ? find_get_entry+0xaae/0x1120
[  419.380746]  ? filemap_map_pages+0x1a20/0x1a20
[  419.385335]  ? zap_class+0x640/0x640
[  419.389065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.394604]  ? check_preemption_disabled+0x48/0x280
[  419.399623]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.405163]  ? should_fail+0x22d/0xd01
[  419.409064]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.414178]  ? zap_class+0x640/0x640
[  419.417923]  ? __lock_is_held+0xb5/0x140
[  419.421997]  ? mark_held_locks+0x130/0x130
[  419.426246]  ? lock_release+0xa00/0xa00
[  419.430222]  ? perf_trace_sched_process_exec+0x860/0x860
[  419.435686]  ? xa_load+0x2ba/0x460
[  419.439235]  ? lock_downgrade+0x900/0x900
[  419.443392]  ? __might_sleep+0x95/0x190
[  419.447376]  __alloc_pages_nodemask+0xa80/0xde0
[  419.452067]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  419.457103]  ? __page_cache_alloc+0x191/0x5c0
[  419.461598]  ? xa_load+0x2e1/0x460
[  419.465143]  ? xa_clear_mark+0x40/0x40
[  419.469046]  ? zap_class+0x640/0x640
[  419.472787]  ? zap_class+0x640/0x640
[  419.476501]  ? zap_class+0x640/0x640
[  419.480215]  ? __do_page_cache_readahead+0x663/0x810
[  419.485327]  ? find_held_lock+0x36/0x1c0
[  419.489425]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  419.494972]  alloc_pages_current+0x173/0x350
[  419.499389]  __page_cache_alloc+0x38c/0x5c0
[  419.503714]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.508673]  ? kasan_check_read+0x11/0x20
[  419.512833]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.518116]  ? generic_perform_write+0x6a0/0x6a0
[  419.522876]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.528420]  ? check_preemption_disabled+0x48/0x280
[  419.533479]  filemap_fault+0x1595/0x25f0
[  419.537570]  ? __lock_page_or_retry+0xa00/0xa00
[  419.542258]  ? mark_held_locks+0x130/0x130
[  419.546548]  ? filemap_map_pages+0xd6b/0x1a20
[  419.551065]  ? lock_downgrade+0x900/0x900
[  419.555213]  ? check_preemption_disabled+0x48/0x280
[  419.560230]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.565160]  ? kasan_check_read+0x11/0x20
[  419.569327]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.574608]  ? rcu_softirq_qs+0x20/0x20
[  419.578595]  ? filemap_map_pages+0xd92/0x1a20
[  419.583110]  ? find_get_entries_tag+0x1400/0x1400
[  419.587972]  ? ep_scan_ready_list+0xbc7/0x1050
[  419.592561]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.597683]  ? lock_acquire+0x1ed/0x520
[  419.601659]  ? ext4_filemap_fault+0x7a/0xad
[  419.606005]  ? lock_release+0xa00/0xa00
[  419.609992]  ? perf_trace_sched_process_exec+0x860/0x860
[  419.615457]  ? print_usage_bug+0xc0/0xc0
[  419.619520]  ? print_usage_bug+0xc0/0xc0
[  419.623596]  ? down_read+0x8d/0x120
[  419.627224]  ? ext4_filemap_fault+0x7a/0xad
[  419.631547]  ? __down_interruptible+0x700/0x700
[  419.636231]  ext4_filemap_fault+0x82/0xad
[  419.640386]  __do_fault+0x100/0x6b0
[  419.644028]  ? pmd_devmap_trans_unstable+0x220/0x220
[  419.649147]  ? mark_held_locks+0x130/0x130
[  419.653386]  ? mark_held_locks+0x130/0x130
[  419.657622]  ? kasan_check_read+0x11/0x20
[  419.661789]  ? ep_poll+0xffa/0x13d0
[  419.665421]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.670532]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.676077]  __handle_mm_fault+0x3ea0/0x5be0
[  419.680502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.686064]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  419.690912]  ? do_epoll_create+0x590/0x590
[  419.695151]  ? kasan_check_read+0x11/0x20
[  419.699299]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.704589]  ? rcu_softirq_qs+0x20/0x20
[  419.708604]  ? zap_class+0x640/0x640
[  419.712318]  ? zap_class+0x640/0x640
[  419.716051]  ? find_held_lock+0x36/0x1c0
[  419.720128]  ? handle_mm_fault+0x42a/0xc70
[  419.724366]  ? lock_downgrade+0x900/0x900
[  419.728520]  ? check_preemption_disabled+0x48/0x280
[  419.733544]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.738473]  ? kasan_check_read+0x11/0x20
[  419.742635]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.747915]  ? rcu_softirq_qs+0x20/0x20
[  419.751888]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.757008]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.762610]  ? check_preemption_disabled+0x48/0x280
[  419.767637]  handle_mm_fault+0x54f/0xc70
[  419.771718]  ? __handle_mm_fault+0x5be0/0x5be0
[  419.776307]  ? find_vma+0x34/0x190
[  419.779867]  __do_page_fault+0x5e8/0xe60
[  419.783939]  ? trace_hardirqs_off+0xb8/0x310
[  419.788341]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  419.793901]  do_page_fault+0xf2/0x7e0
[  419.797703]  ? vmalloc_sync_all+0x30/0x30
[  419.801867]  ? error_entry+0x70/0xd0
[  419.805616]  ? trace_hardirqs_off_caller+0xbb/0x310
[  419.810635]  ? trace_hardirqs_on_caller+0xc0/0x310
[  419.815566]  ? syscall_return_slowpath+0x5e0/0x5e0
[  419.820492]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.825369]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.830385]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  419.835884]  ? prepare_exit_to_usermode+0x291/0x3b0
[  419.840895]  ? page_fault+0x8/0x30
[  419.844453]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.849301]  ? page_fault+0x8/0x30
[  419.852841]  page_fault+0x1e/0x30
[  419.856307] RIP: 0033:0x45df89
[  419.859524] Code: Bad RIP value.
[  419.862898] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  419.868260] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  419.875530] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  419.882814] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  419.890083] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  419.897352] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  419.904644] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  419.904726] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  419.912009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  419.912027] Call Trace:
[  419.918595] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  419.927852]  <IRQ>
[  419.930421] syz-fuzzer cpuset=/ mems_allowed=0
[  419.940643]  dump_stack+0x244/0x39d
[  419.950955]  ? dump_stack_print_info.cold.1+0x20/0x20
[  419.956174]  warn_alloc.cold.116+0xb7/0x1bd
[  419.960498]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  419.965347]  ? lock_downgrade+0x900/0x900
[  419.969518]  ? trace_hardirqs_off+0xb8/0x310
[  419.973946]  ? trace_hardirqs_off+0xb8/0x310
[  419.978397]  __alloc_pages_slowpath+0x26e8/0x2e10
[  419.983271]  ? warn_alloc+0x120/0x120
[  419.987081]  ? print_usage_bug+0xc0/0xc0
[  419.991147]  ? warn_alloc+0x120/0x120
[  419.994956]  ? warn_alloc+0x120/0x120
[  419.998759]  ? print_usage_bug+0xc0/0xc0
[  420.002840]  ? print_usage_bug+0xc0/0xc0
[  420.006905]  ? __lock_acquire+0x62f/0x4c20
[  420.011149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.016687]  ? should_fail+0x22d/0xd01
[  420.020612]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.025719]  ? __lock_acquire+0x62f/0x4c20
[  420.029958]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.035064]  ? __lock_acquire+0x62f/0x4c20
[  420.039303]  ? should_fail+0x22d/0xd01
[  420.043190]  ? find_held_lock+0x36/0x1c0
[  420.047273]  ? mark_held_locks+0x130/0x130
[  420.051508]  ? mark_held_locks+0x130/0x130
[  420.055746]  ? zap_class+0x640/0x640
[  420.059460]  ? zap_class+0x640/0x640
[  420.063179]  ? print_usage_bug+0xc0/0xc0
[  420.067246]  ? do_raw_spin_unlock+0xa7/0x330
[  420.071668]  ? zap_class+0x640/0x640
[  420.075381]  ? print_usage_bug+0xc0/0xc0
[  420.079471]  ? wq_watchdog_touch+0x9c/0xfe
[  420.083714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.089254]  ? check_preemption_disabled+0x48/0x280
[  420.094282]  ? __lock_is_held+0xb5/0x140
[  420.098348]  __alloc_pages_nodemask+0xa80/0xde0
[  420.103028]  ? zap_class+0x640/0x640
[  420.106751]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  420.111779]  ? find_held_lock+0x36/0x1c0
[  420.115852]  ? ____cache_alloc_node+0x1c7/0x1e0
[  420.120529]  ? lock_downgrade+0x900/0x900
[  420.124691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.130239]  cache_grow_begin+0xa5/0x8c0
[  420.134306]  ? do_raw_spin_unlock+0xa7/0x330
[  420.138753]  fallback_alloc+0x204/0x2e0
[  420.142737]  ____cache_alloc_node+0x1c7/0x1e0
[  420.147242]  kmem_cache_alloc_node+0xe3/0x730
[  420.151742]  ? ipv6_get_ifaddr+0x42e/0x620
[  420.155990]  __alloc_skb+0x119/0x770
[  420.159709]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.164990]  ? netdev_alloc_frag+0x1f0/0x1f0
[  420.169407]  ? lock_downgrade+0x900/0x900
[  420.173567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.179109]  ? refcount_sub_and_test_checked+0x203/0x310
[  420.184567]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  420.190027]  ? addrconf_rs_timer+0x690/0x690
[  420.194448]  ndisc_alloc_skb+0x144/0x340
[  420.198522]  ndisc_send_rs+0x331/0x6e0
[  420.202425]  addrconf_rs_timer+0x314/0x690
[  420.206686]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.210939]  call_timer_fn+0x272/0x920
[  420.214826]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.219079]  ? process_timeout+0x40/0x40
[  420.223147]  ? __run_timers+0x7da/0xc70
[  420.227151]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.231646]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.236156]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.240408]  ? lockdep_hardirqs_on+0x296/0x5b0
[  420.244991]  ? trace_hardirqs_on+0xbd/0x310
[  420.249318]  ? kasan_check_read+0x11/0x20
[  420.253476]  ? __run_timers+0x7da/0xc70
[  420.257449]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.262563]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.266804]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.271055]  __run_timers+0x7e5/0xc70
[  420.274872]  ? timer_fixup_init+0x70/0x70
[  420.279031]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  420.284051]  ? zap_class+0x640/0x640
[  420.287769]  ? enqueue_hrtimer+0x1a5/0x560
[  420.292008]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  420.297216]  ? find_held_lock+0x36/0x1c0
[  420.301303]  ? zap_class+0x640/0x640
[  420.305044]  ? pvclock_read_flags+0x160/0x160
[  420.309548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.315092]  ? check_preemption_disabled+0x48/0x280
[  420.320119]  ? __lock_is_held+0xb5/0x140
[  420.324186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.329728]  ? check_preemption_disabled+0x48/0x280
[  420.334751]  run_timer_softirq+0x52/0xb0
[  420.338818]  ? rcu_read_lock_sched_held+0x14f/0x180
[  420.343835]  __do_softirq+0x308/0xb7e
[  420.347642]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  420.352142]  ? lock_downgrade+0x900/0x900
[  420.356322]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  420.361435]  ? pvclock_read_flags+0x160/0x160
[  420.365936]  ? lapic_next_event+0x5a/0x90
[  420.370101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.375644]  ? kvm_clock_read+0x18/0x30
[  420.379618]  ? kvm_sched_clock_read+0x9/0x20
[  420.384040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.389581]  ? check_preemption_disabled+0x48/0x280
[  420.394637]  irq_exit+0x17f/0x1c0
[  420.398094]  smp_apic_timer_interrupt+0x1cb/0x760
[  420.402938]  ? smp_reschedule_interrupt+0x109/0x650
[  420.407955]  ? smp_call_function_single_interrupt+0x650/0x650
[  420.413839]  ? interrupt_entry+0xb5/0xc0
[  420.417905]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.422935]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.427955]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.432800]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.437835]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.442864]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.447728]  apic_timer_interrupt+0xf/0x20
[  420.451959]  </IRQ>
[  420.454201] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  420.459131] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  420.478038] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  420.485749] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  420.493023] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  420.500301] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  420.507582] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  420.514848] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  420.522173]  skb_clone+0x1bb/0x500
[  420.525720]  ? finish_task_switch+0x2f4/0x910
[  420.530219]  ? skb_split+0x11e0/0x11e0
[  420.534110]  ? preempt_notifier_register+0x200/0x200
[  420.539231]  ? __switch_to_asm+0x34/0x70
[  420.543310]  ? __switch_to_asm+0x34/0x70
[  420.547369]  ? __switch_to_asm+0x40/0x70
[  420.551428]  ? __switch_to_asm+0x34/0x70
[  420.555487]  ? __switch_to_asm+0x40/0x70
[  420.559552]  ? __switch_to_asm+0x34/0x70
[  420.563615]  ? __switch_to_asm+0x40/0x70
[  420.567686]  ? __switch_to_asm+0x34/0x70
[  420.571749]  ? __switch_to_asm+0x34/0x70
[  420.575823]  ? __switch_to_asm+0x40/0x70
[  420.579895]  ? __switch_to_asm+0x34/0x70
[  420.583963]  bpf_clone_redirect+0xb9/0x490
[  420.588213]  ? __schedule+0x8d7/0x21d0
[  420.592106]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  420.597127]  ? __sched_text_start+0x8/0x8
[  420.601280]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  420.605865]  ? retint_kernel+0x2d/0x2d
[  420.609758]  ? trace_hardirqs_on_caller+0xc0/0x310
[  420.614830]  ? find_held_lock+0x36/0x1c0
[  420.618901]  ? lock_acquire+0x1ed/0x520
[  420.622875]  ? bpf_test_run+0x3cb/0x780
[  420.626852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.632389]  ? check_preemption_disabled+0x48/0x280
[  420.637413]  ? kasan_check_read+0x11/0x20
[  420.641574]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.646866]  ? rcu_softirq_qs+0x20/0x20
[  420.650847]  ? preempt_schedule+0x4d/0x60
[  420.654997]  ? ___preempt_schedule+0x16/0x18
[  420.659424]  ? bpf_test_run+0x25d/0x780
[  420.663411]  ? netlink_diag_dump+0x2a0/0x2a0
[  420.667824]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.673365]  ? bpf_test_init.isra.10+0x70/0x100
[  420.678073]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  420.682845]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  420.687708]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  420.693246]  ? fput+0x130/0x1a0
[  420.696526]  ? __bpf_prog_get+0x9b/0x290
[  420.700597]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  420.705441]  ? bpf_prog_test_run+0x130/0x1a0
[  420.709854]  ? __x64_sys_bpf+0x3d8/0x520
[  420.713918]  ? bpf_prog_get+0x20/0x20
[  420.717751]  ? do_syscall_64+0x1b9/0x820
[  420.721811]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  420.727180]  ? syscall_return_slowpath+0x5e0/0x5e0
[  420.732127]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.736970]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.741988]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  420.747464]  ? prepare_exit_to_usermode+0x291/0x3b0
[  420.752487]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.757338]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  420.762772] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  420.762777] warn_alloc_show_mem: 1 callbacks suppressed
[  420.762793] Mem-Info:
[  420.769821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  420.775191] active_anon:51179 inactive_anon:236 isolated_anon:0
[  420.775191]  active_file:17 inactive_file:9 isolated_file:0
[  420.775191]  unevictable:0 dirty:0 writeback:0 unstable:0
[  420.775191]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  420.775191]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  420.775191]  free:13694 free_pcp:258 free_cma:0
[  420.777563] Call Trace:
[  420.786949] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  420.819702]  <IRQ>
[  420.822269] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  420.849761]  dump_stack+0x244/0x39d
[  420.851886] lowmem_reserve[]: 0 2818 6321 6321
[  420.878009]  ? dump_stack_print_info.cold.1+0x20/0x20
[  420.881651] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  420.886239]  warn_alloc.cold.116+0xb7/0x1bd
[  420.891400] lowmem_reserve[]: 0 0 3503 3503
[  420.918554]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  420.922850] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  420.927167]  ? lock_downgrade+0x900/0x900
[  420.931985] lowmem_reserve[]: 0 0 0 0
[  420.960976]  ? trace_hardirqs_off+0xb8/0x310
[  420.965110] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  420.968907]  ? trace_hardirqs_off+0xb8/0x310
[  420.973287] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  420.986807]  __alloc_pages_slowpath+0x26e8/0x2e10
[  420.991203] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  421.006392]  ? warn_alloc+0x120/0x120
[  421.011196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  421.025431]  ? print_usage_bug+0xc0/0xc0
[  421.029225] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  421.038052]  ? warn_alloc+0x120/0x120
[  421.042151] 309 total pagecache pages
[  421.050720]  ? warn_alloc+0x120/0x120
[  421.054497] 0 pages in swap cache
[  421.058315]  ? print_usage_bug+0xc0/0xc0
[  421.062097] Swap cache stats: add 0, delete 0, find 0/0
[  421.065540]  ? kvm_clock_read+0x18/0x30
[  421.069611] Free swap  = 0kB
[  421.074970]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  421.078922] Total swap = 0kB
[  421.081935]  ? print_usage_bug+0xc0/0xc0
[  421.086923] 1965979 pages RAM
[  421.089933]  ? __lock_acquire+0x62f/0x4c20
[  421.093971] 0 pages HighMem/MovableOnly
[  421.097088]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.101298] 342853 pages reserved
[  421.105264]  ? should_fail+0x22d/0xd01
[  421.110790] 0 pages cma reserved
[  421.114256]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.118185] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  421.121484]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.126839] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  421.133241]  ? __lock_acquire+0x62f/0x4c20
[  421.138321] syz-executor2 cpuset=syz2 mems_allowed=0
[  421.148802]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.163204]  ? __lock_acquire+0x62f/0x4c20
[  421.167436]  ? should_fail+0x22d/0xd01
[  421.171318]  ? rcu_irq_exit+0x1a2/0x390
[  421.175329]  ? mark_held_locks+0x130/0x130
[  421.179596]  ? mark_held_locks+0x130/0x130
[  421.183865]  ? mark_held_locks+0xc7/0x130
[  421.188024]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  421.193080]  ? zap_class+0x640/0x640
[  421.196797]  ? print_usage_bug+0xc0/0xc0
[  421.200863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.206407]  ? check_preemption_disabled+0x48/0x280
[  421.211436]  ? __lock_is_held+0xb5/0x140
[  421.215503]  __alloc_pages_nodemask+0xa80/0xde0
[  421.220198]  ? zap_class+0x640/0x640
[  421.223928]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  421.228956]  ? find_held_lock+0x36/0x1c0
[  421.233041]  ? ____cache_alloc_node+0x1c7/0x1e0
[  421.237725]  ? lock_downgrade+0x900/0x900
[  421.241886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.247432]  cache_grow_begin+0xa5/0x8c0
[  421.251505]  ? do_raw_spin_unlock+0xa7/0x330
[  421.255925]  fallback_alloc+0x204/0x2e0
[  421.259910]  ____cache_alloc_node+0x1c7/0x1e0
[  421.264412]  kmem_cache_alloc_node+0xe3/0x730
[  421.268926]  ? ipv6_get_ifaddr+0x42e/0x620
[  421.273174]  __alloc_skb+0x119/0x770
[  421.276887]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.282190]  ? netdev_alloc_frag+0x1f0/0x1f0
[  421.286591]  ? lock_downgrade+0x900/0x900
[  421.290749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.296302]  ? refcount_sub_and_test_checked+0x203/0x310
[  421.301774]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  421.307228]  ? addrconf_rs_timer+0x690/0x690
[  421.311647]  ndisc_alloc_skb+0x144/0x340
[  421.315745]  ndisc_send_rs+0x331/0x6e0
[  421.319638]  addrconf_rs_timer+0x314/0x690
[  421.323879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.328128]  call_timer_fn+0x272/0x920
[  421.332024]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.336265]  ? process_timeout+0x40/0x40
[  421.340338]  ? mark_held_locks+0xc7/0x130
[  421.344539]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.349049]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.353559]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.357810]  ? lockdep_hardirqs_on+0x296/0x5b0
[  421.362427]  ? trace_hardirqs_on+0xbd/0x310
[  421.366763]  ? kasan_check_read+0x11/0x20
[  421.370909]  ? __run_timers+0x7da/0xc70
[  421.374884]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.379994]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.384244]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.388477]  __run_timers+0x7e5/0xc70
[  421.392291]  ? timer_fixup_init+0x70/0x70
[  421.396456]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  421.401478]  ? zap_class+0x640/0x640
[  421.405200]  ? print_usage_bug+0xc0/0xc0
[  421.409278]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  421.414474]  ? find_held_lock+0x36/0x1c0
[  421.418539]  ? zap_class+0x640/0x640
[  421.422272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.427812]  ? check_preemption_disabled+0x48/0x280
[  421.432841]  ? __lock_is_held+0xb5/0x140
[  421.436904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.442442]  ? check_preemption_disabled+0x48/0x280
[  421.447463]  run_timer_softirq+0x52/0xb0
[  421.451529]  ? rcu_read_lock_sched_held+0x14f/0x180
[  421.456552]  __do_softirq+0x308/0xb7e
[  421.460353]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  421.464862]  ? lock_downgrade+0x900/0x900
[  421.469022]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  421.474140]  ? pvclock_read_flags+0x160/0x160
[  421.478640]  ? lapic_next_event+0x5a/0x90
[  421.482800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.488340]  ? kvm_clock_read+0x18/0x30
[  421.492342]  ? kvm_sched_clock_read+0x9/0x20
[  421.496771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.502325]  ? check_preemption_disabled+0x48/0x280
[  421.507382]  irq_exit+0x17f/0x1c0
[  421.510837]  smp_apic_timer_interrupt+0x1cb/0x760
[  421.515680]  ? smp_reschedule_interrupt+0x109/0x650
[  421.520697]  ? smp_call_function_single_interrupt+0x650/0x650
[  421.526587]  ? interrupt_entry+0xb5/0xc0
[  421.530651]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.535673]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.540865]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.545714]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.550730]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.555745]  ? task_prio+0x50/0x50
[  421.559289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.564857]  ? check_preemption_disabled+0x48/0x280
[  421.569906]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.574755]  apic_timer_interrupt+0xf/0x20
[  421.578982]  </IRQ>
[  421.581228] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  421.586417] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  421.605317] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  421.613032] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  421.620305] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  421.627575] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  421.634838] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  421.642133] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  421.649433]  retint_kernel+0x1b/0x2d
[  421.653153] RIP: 0010:dump_stack+0x358/0x39d
[  421.657558] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  421.676455] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  421.684162] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  421.691428] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  421.698693] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  421.705978] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  421.713252] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  421.720538]  ? dump_stack+0x34f/0x39d
[  421.724351]  ? dump_stack_print_info.cold.1+0x20/0x20
[  421.729559]  ? mark_held_locks+0x130/0x130
[  421.733826]  ? mark_held_locks+0x130/0x130
[  421.738083]  dump_header+0x27b/0xf72
[  421.741823]  ? pagefault_out_of_memory+0x197/0x197
[  421.746772]  ? __lock_acquire+0x62f/0x4c20
[  421.751007]  ? percpu_ref_get_many+0x240/0x240
[  421.755608]  ? print_usage_bug+0xc0/0xc0
[  421.759695]  ? zap_class+0x640/0x640
[  421.763450]  ? print_usage_bug+0xc0/0xc0
[  421.767552]  ? print_usage_bug+0xc0/0xc0
[  421.771628]  ? zap_class+0x640/0x640
[  421.775360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.780902]  ? find_held_lock+0x36/0x1c0
[  421.784990]  ? mark_held_locks+0xc7/0x130
[  421.789158]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.794288]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.799394]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  421.803975]  ? trace_hardirqs_on+0xbd/0x310
[  421.808300]  ? kasan_check_read+0x11/0x20
[  421.812463]  ? ___ratelimit+0x3b4/0x672
[  421.816458]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.821598]  ? trace_hardirqs_on+0x310/0x310
[  421.826009]  ? lock_downgrade+0x900/0x900
[  421.830174]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  421.835283]  ? ___ratelimit+0x3b9/0x672
[  421.839263]  ? idr_get_free+0xf70/0xf70
[  421.843240]  ? find_held_lock+0x36/0x1c0
[  421.847317]  oom_kill_process.cold.27+0x10/0x903
[  421.852076]  ? zap_class+0x640/0x640
[  421.855790]  ? check_preemption_disabled+0x48/0x280
[  421.860823]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  421.865753]  ? kasan_check_read+0x11/0x20
[  421.869899]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.875178]  ? oom_evaluate_task+0x540/0x540
[  421.879596]  ? find_held_lock+0x36/0x1c0
[  421.883685]  ? out_of_memory+0x974/0x1430
[  421.887834]  ? lock_downgrade+0x900/0x900
[  421.891980]  ? check_preemption_disabled+0x48/0x280
[  421.897022]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  421.901961]  ? kasan_check_read+0x11/0x20
[  421.906114]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.911390]  ? rcu_softirq_qs+0x20/0x20
[  421.915368]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.920906]  ? oom_evaluate_task+0x302/0x540
[  421.925348]  out_of_memory+0xa84/0x1430
[  421.929329]  ? oom_killer_disable+0x3a0/0x3a0
[  421.933825]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  421.938759]  ? __ww_mutex_check_waiters+0x160/0x160
[  421.943791]  __alloc_pages_slowpath+0x2354/0x2e10
[  421.948666]  ? warn_alloc+0x120/0x120
[  421.952469]  ? mark_held_locks+0x130/0x130
[  421.956711]  ? find_get_entry+0xaae/0x1120
[  421.960956]  ? filemap_map_pages+0x1a20/0x1a20
[  421.965545]  ? zap_class+0x640/0x640
[  421.969285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.974826]  ? check_preemption_disabled+0x48/0x280
[  421.979854]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.985410]  ? should_fail+0x22d/0xd01
[  421.989302]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.994410]  ? zap_class+0x640/0x640
[  421.998147]  ? __lock_is_held+0xb5/0x140
[  422.002230]  ? mark_held_locks+0x130/0x130
[  422.006469]  ? lock_release+0xa00/0xa00
[  422.010441]  ? perf_trace_sched_process_exec+0x860/0x860
[  422.015893]  ? xa_load+0x2ba/0x460
[  422.019451]  ? lock_downgrade+0x900/0x900
[  422.023604]  ? __might_sleep+0x95/0x190
[  422.027598]  __alloc_pages_nodemask+0xa80/0xde0
[  422.032275]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  422.037291]  ? __page_cache_alloc+0x191/0x5c0
[  422.041788]  ? xa_load+0x2e1/0x460
[  422.045329]  ? xa_clear_mark+0x40/0x40
[  422.049233]  ? zap_class+0x640/0x640
[  422.052956]  ? zap_class+0x640/0x640
[  422.056671]  ? zap_class+0x640/0x640
[  422.060383]  ? __do_page_cache_readahead+0x663/0x810
[  422.065503]  ? find_held_lock+0x36/0x1c0
[  422.069567]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  422.075115]  alloc_pages_current+0x173/0x350
[  422.079531]  __page_cache_alloc+0x38c/0x5c0
[  422.083851]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.088783]  ? kasan_check_read+0x11/0x20
[  422.092933]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.098214]  ? generic_perform_write+0x6a0/0x6a0
[  422.102984]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.108528]  ? check_preemption_disabled+0x48/0x280
[  422.113571]  filemap_fault+0x1595/0x25f0
[  422.117646]  ? __lock_page_or_retry+0xa00/0xa00
[  422.122321]  ? mark_held_locks+0x130/0x130
[  422.126565]  ? filemap_map_pages+0xd6b/0x1a20
[  422.131066]  ? lock_downgrade+0x900/0x900
[  422.135217]  ? check_preemption_disabled+0x48/0x280
[  422.140237]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.145167]  ? kasan_check_read+0x11/0x20
[  422.149315]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.154594]  ? rcu_softirq_qs+0x20/0x20
[  422.158581]  ? filemap_map_pages+0xd92/0x1a20
[  422.163091]  ? find_get_entries_tag+0x1400/0x1400
[  422.167936]  ? ep_scan_ready_list+0xbc7/0x1050
[  422.172524]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.177643]  ? lock_acquire+0x1ed/0x520
[  422.181616]  ? ext4_filemap_fault+0x7a/0xad
[  422.185947]  ? lock_release+0xa00/0xa00
[  422.189921]  ? perf_trace_sched_process_exec+0x860/0x860
[  422.195374]  ? print_usage_bug+0xc0/0xc0
[  422.199436]  ? print_usage_bug+0xc0/0xc0
[  422.203522]  ? down_read+0x8d/0x120
[  422.207162]  ? ext4_filemap_fault+0x7a/0xad
[  422.211490]  ? __down_interruptible+0x700/0x700
[  422.216175]  ext4_filemap_fault+0x82/0xad
[  422.220330]  __do_fault+0x100/0x6b0
[  422.223969]  ? pmd_devmap_trans_unstable+0x220/0x220
[  422.229080]  ? mark_held_locks+0x130/0x130
[  422.233331]  ? mark_held_locks+0x130/0x130
[  422.237569]  ? kasan_check_read+0x11/0x20
[  422.241730]  ? ep_poll+0xffa/0x13d0
[  422.245363]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.250470]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.256012]  __handle_mm_fault+0x3ea0/0x5be0
[  422.260435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.265983]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  422.270856]  ? do_epoll_create+0x590/0x590
[  422.275093]  ? kasan_check_read+0x11/0x20
[  422.279243]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.284521]  ? rcu_softirq_qs+0x20/0x20
[  422.288525]  ? zap_class+0x640/0x640
[  422.292258]  ? zap_class+0x640/0x640
[  422.295993]  ? find_held_lock+0x36/0x1c0
[  422.300077]  ? handle_mm_fault+0x42a/0xc70
[  422.304316]  ? lock_downgrade+0x900/0x900
[  422.308467]  ? check_preemption_disabled+0x48/0x280
[  422.313487]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.318422]  ? kasan_check_read+0x11/0x20
[  422.322571]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.327863]  ? rcu_softirq_qs+0x20/0x20
[  422.331850]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.336954]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.342494]  ? check_preemption_disabled+0x48/0x280
[  422.347536]  handle_mm_fault+0x54f/0xc70
[  422.351618]  ? __handle_mm_fault+0x5be0/0x5be0
[  422.356204]  ? find_vma+0x34/0x190
[  422.359766]  __do_page_fault+0x5e8/0xe60
[  422.363828]  ? trace_hardirqs_off+0xb8/0x310
[  422.368240]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  422.373790]  do_page_fault+0xf2/0x7e0
[  422.377593]  ? vmalloc_sync_all+0x30/0x30
[  422.381743]  ? error_entry+0x70/0xd0
[  422.385460]  ? trace_hardirqs_off_caller+0xbb/0x310
[  422.390489]  ? trace_hardirqs_on_caller+0xc0/0x310
[  422.395418]  ? syscall_return_slowpath+0x5e0/0x5e0
[  422.400346]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.405193]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.410211]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  422.415665]  ? prepare_exit_to_usermode+0x291/0x3b0
[  422.420682]  ? page_fault+0x8/0x30
[  422.424225]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.429077]  ? page_fault+0x8/0x30
[  422.432620]  page_fault+0x1e/0x30
[  422.436073] RIP: 0033:0x45df89
[  422.439276] Code: Bad RIP value.
[  422.442636] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  422.447997] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  422.455268] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  422.462536] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  422.469803] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  422.477075] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  422.484368] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  422.484441] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  422.491741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  422.491750] Call Trace:
[  422.498378] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  422.507576]  <IRQ>
[  422.510144] syz-fuzzer cpuset=/ mems_allowed=0
[  422.520363]  dump_stack+0x244/0x39d
[  422.530672]  ? dump_stack_print_info.cold.1+0x20/0x20
[  422.535899]  warn_alloc.cold.116+0xb7/0x1bd
[  422.540225]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  422.545083]  ? lock_downgrade+0x900/0x900
[  422.549241]  ? trace_hardirqs_off+0xb8/0x310
[  422.553659]  ? trace_hardirqs_off+0xb8/0x310
[  422.558076]  __alloc_pages_slowpath+0x26e8/0x2e10
[  422.562946]  ? warn_alloc+0x120/0x120
[  422.566751]  ? print_usage_bug+0xc0/0xc0
[  422.570817]  ? warn_alloc+0x120/0x120
[  422.574624]  ? warn_alloc+0x120/0x120
[  422.578428]  ? print_usage_bug+0xc0/0xc0
[  422.582493]  ? kvm_clock_read+0x18/0x30
[  422.586485]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  422.591501]  ? print_usage_bug+0xc0/0xc0
[  422.595567]  ? __lock_acquire+0x62f/0x4c20
[  422.599811]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.605352]  ? should_fail+0x22d/0xd01
[  422.609239]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.614626]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.619731]  ? __lock_acquire+0x62f/0x4c20
[  422.623969]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.629256]  ? __lock_acquire+0x62f/0x4c20
[  422.633487]  ? should_fail+0x22d/0xd01
[  422.637387]  ? rcu_irq_exit+0x1a2/0x390
[  422.641403]  ? mark_held_locks+0x130/0x130
[  422.645641]  ? mark_held_locks+0x130/0x130
[  422.649881]  ? mark_held_locks+0xc7/0x130
[  422.654049]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  422.659088]  ? zap_class+0x640/0x640
[  422.662804]  ? print_usage_bug+0xc0/0xc0
[  422.666873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.672411]  ? check_preemption_disabled+0x48/0x280
[  422.677438]  ? __lock_is_held+0xb5/0x140
[  422.681507]  __alloc_pages_nodemask+0xa80/0xde0
[  422.686183]  ? zap_class+0x640/0x640
[  422.689903]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  422.694930]  ? find_held_lock+0x36/0x1c0
[  422.699006]  ? ____cache_alloc_node+0x1c7/0x1e0
[  422.703704]  ? lock_downgrade+0x900/0x900
[  422.707867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.713411]  cache_grow_begin+0xa5/0x8c0
[  422.717473]  ? do_raw_spin_unlock+0xa7/0x330
[  422.721888]  fallback_alloc+0x204/0x2e0
[  422.725872]  ____cache_alloc_node+0x1c7/0x1e0
[  422.730376]  kmem_cache_alloc_node+0xe3/0x730
[  422.734874]  ? ipv6_get_ifaddr+0x42e/0x620
[  422.739125]  __alloc_skb+0x119/0x770
[  422.743048]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.748365]  ? netdev_alloc_frag+0x1f0/0x1f0
[  422.752778]  ? lock_downgrade+0x900/0x900
[  422.756952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.762518]  ? refcount_sub_and_test_checked+0x203/0x310
[  422.768034]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  422.773501]  ? addrconf_rs_timer+0x690/0x690
[  422.777923]  ndisc_alloc_skb+0x144/0x340
[  422.781987]  ndisc_send_rs+0x331/0x6e0
[  422.785888]  addrconf_rs_timer+0x314/0x690
[  422.790130]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.794380]  call_timer_fn+0x272/0x920
[  422.798269]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.802503]  ? process_timeout+0x40/0x40
[  422.806576]  ? __run_timers+0x7da/0xc70
[  422.810556]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.815054]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.819569]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.823833]  ? lockdep_hardirqs_on+0x296/0x5b0
[  422.828417]  ? trace_hardirqs_on+0xbd/0x310
[  422.832743]  ? kasan_check_read+0x11/0x20
[  422.836890]  ? __run_timers+0x7da/0xc70
[  422.840867]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.845977]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.850221]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.854460]  __run_timers+0x7e5/0xc70
[  422.858277]  ? timer_fixup_init+0x70/0x70
[  422.862443]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  422.867461]  ? zap_class+0x640/0x640
[  422.871182]  ? enqueue_hrtimer+0x1a5/0x560
[  422.875424]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  422.880638]  ? find_held_lock+0x36/0x1c0
[  422.884731]  ? zap_class+0x640/0x640
[  422.888452]  ? pvclock_read_flags+0x160/0x160
[  422.892953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.898494]  ? check_preemption_disabled+0x48/0x280
[  422.903523]  ? __lock_is_held+0xb5/0x140
[  422.907587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.913170]  ? check_preemption_disabled+0x48/0x280
[  422.918236]  run_timer_softirq+0x52/0xb0
[  422.922318]  ? rcu_read_lock_sched_held+0x14f/0x180
[  422.927341]  __do_softirq+0x308/0xb7e
[  422.931145]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  422.935643]  ? lock_downgrade+0x900/0x900
[  422.939809]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  422.944919]  ? pvclock_read_flags+0x160/0x160
[  422.949434]  ? lapic_next_event+0x5a/0x90
[  422.953582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.959141]  ? kvm_clock_read+0x18/0x30
[  422.963115]  ? kvm_sched_clock_read+0x9/0x20
[  422.967525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.973070]  ? check_preemption_disabled+0x48/0x280
[  422.978097]  irq_exit+0x17f/0x1c0
[  422.981556]  smp_apic_timer_interrupt+0x1cb/0x760
[  422.986400]  ? smp_reschedule_interrupt+0x109/0x650
[  422.991435]  ? smp_call_function_single_interrupt+0x650/0x650
[  422.997320]  ? interrupt_entry+0xb5/0xc0
[  423.001384]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.006420]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.011451]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.016311]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.021326]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.026354]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.031207]  apic_timer_interrupt+0xf/0x20
[  423.035436]  </IRQ>
[  423.037676] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  423.042617] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  423.061515] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  423.069229] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  423.076499] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  423.083769] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  423.091045] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  423.098343] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  423.105652]  skb_clone+0x1bb/0x500
[  423.109195]  ? finish_task_switch+0x2f4/0x910
[  423.113691]  ? skb_split+0x11e0/0x11e0
[  423.117582]  ? preempt_notifier_register+0x200/0x200
[  423.122681]  ? __switch_to_asm+0x34/0x70
[  423.126738]  ? __switch_to_asm+0x34/0x70
[  423.130799]  ? __switch_to_asm+0x40/0x70
[  423.134857]  ? __switch_to_asm+0x34/0x70
[  423.138932]  ? __switch_to_asm+0x40/0x70
[  423.142993]  ? __switch_to_asm+0x34/0x70
[  423.147082]  ? __switch_to_asm+0x40/0x70
[  423.151156]  ? __switch_to_asm+0x34/0x70
[  423.155216]  ? __switch_to_asm+0x34/0x70
[  423.159274]  ? __switch_to_asm+0x40/0x70
[  423.163332]  ? __switch_to_asm+0x34/0x70
[  423.167399]  bpf_clone_redirect+0xb9/0x490
[  423.171683]  ? __schedule+0x8d7/0x21d0
[  423.175593]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  423.180611]  ? __sched_text_start+0x8/0x8
[  423.184763]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  423.189344]  ? retint_kernel+0x2d/0x2d
[  423.193236]  ? trace_hardirqs_on_caller+0xc0/0x310
[  423.198173]  ? find_held_lock+0x36/0x1c0
[  423.202259]  ? lock_acquire+0x1ed/0x520
[  423.206235]  ? bpf_test_run+0x3cb/0x780
[  423.210230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.215790]  ? check_preemption_disabled+0x48/0x280
[  423.220816]  ? kasan_check_read+0x11/0x20
[  423.224968]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.230276]  ? rcu_softirq_qs+0x20/0x20
[  423.234266]  ? preempt_schedule+0x4d/0x60
[  423.238432]  ? ___preempt_schedule+0x16/0x18
[  423.242853]  ? bpf_test_run+0x25d/0x780
[  423.246843]  ? netlink_diag_dump+0x2a0/0x2a0
[  423.251255]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.256797]  ? bpf_test_init.isra.10+0x70/0x100
[  423.261487]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  423.266271]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  423.271115]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  423.276686]  ? fput+0x130/0x1a0
[  423.279985]  ? __bpf_prog_get+0x9b/0x290
[  423.284066]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  423.288907]  ? bpf_prog_test_run+0x130/0x1a0
[  423.293324]  ? __x64_sys_bpf+0x3d8/0x520
[  423.297389]  ? bpf_prog_get+0x20/0x20
[  423.301214]  ? do_syscall_64+0x1b9/0x820
[  423.305282]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  423.310663]  ? syscall_return_slowpath+0x5e0/0x5e0
[  423.315592]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.320438]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.325455]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  423.330472]  ? prepare_exit_to_usermode+0x291/0x3b0
[  423.335508]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.340378]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  423.345849] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  423.345855] warn_alloc_show_mem: 1 callbacks suppressed
[  423.345862] Mem-Info:
[  423.352876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  423.358250] active_anon:51179 inactive_anon:236 isolated_anon:0
[  423.358250]  active_file:17 inactive_file:9 isolated_file:0
[  423.358250]  unevictable:0 dirty:0 writeback:0 unstable:0
[  423.358250]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  423.358250]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  423.358250]  free:13694 free_pcp:258 free_cma:0
[  423.360619] Call Trace:
[  423.370030] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  423.402782]  <IRQ>
[  423.405351] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  423.432847]  dump_stack+0x244/0x39d
[  423.434970] lowmem_reserve[]: 0 2818 6321 6321
[  423.461090]  ? dump_stack_print_info.cold.1+0x20/0x20
[  423.464691] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  423.469275]  warn_alloc.cold.116+0xb7/0x1bd
[  423.474432] lowmem_reserve[]: 0 0 3503 3503
[  423.501576]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  423.505875] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  423.510190]  ? lock_downgrade+0x900/0x900
[  423.515006] lowmem_reserve[]: 0 0 0 0
[  423.544028]  ? trace_hardirqs_off+0xb8/0x310
[  423.548147] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  423.551942]  ? trace_hardirqs_off+0xb8/0x310
[  423.556325] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  423.569848]  __alloc_pages_slowpath+0x26e8/0x2e10
[  423.574231] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  423.589424]  ? warn_alloc+0x120/0x120
[  423.594226] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  423.608519]  ? print_usage_bug+0xc0/0xc0
[  423.612304] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  423.621125]  ? warn_alloc+0x120/0x120
[  423.625179] 309 total pagecache pages
[  423.633758]  ? warn_alloc+0x120/0x120
[  423.637547] 0 pages in swap cache
[  423.641345]  ? print_usage_bug+0xc0/0xc0
[  423.645123] Swap cache stats: add 0, delete 0, find 0/0
[  423.648565]  ? kvm_clock_read+0x18/0x30
[  423.652603] Free swap  = 0kB
[  423.657957]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  423.661918] Total swap = 0kB
[  423.664948]  ? print_usage_bug+0xc0/0xc0
[  423.669937] 1965979 pages RAM
[  423.672951]  ? __lock_acquire+0x62f/0x4c20
[  423.676988] 0 pages HighMem/MovableOnly
[  423.680088]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.684299] 342853 pages reserved
[  423.688278]  ? should_fail+0x22d/0xd01
[  423.693803] 0 pages cma reserved
[  423.697251]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.701188] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  423.704471]  ? __lock_acquire+0x62f/0x4c20
[  423.704489]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.704505]  ? __lock_acquire+0x62f/0x4c20
[  423.709660] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  423.716090]  ? should_fail+0x22d/0xd01
[  423.720306] syz-executor2 cpuset=syz2 mems_allowed=0
[  423.725420]  ? mark_held_locks+0x130/0x130
[  423.753315]  ? mark_held_locks+0x130/0x130
[  423.757560]  ? zap_class+0x640/0x640
[  423.761277]  ? print_usage_bug+0xc0/0xc0
[  423.765345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.770904]  ? check_preemption_disabled+0x48/0x280
[  423.775933]  ? __lock_is_held+0xb5/0x140
[  423.780003]  __alloc_pages_nodemask+0xa80/0xde0
[  423.784684]  ? zap_class+0x640/0x640
[  423.788403]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  423.793436]  ? find_held_lock+0x36/0x1c0
[  423.797515]  ? ____cache_alloc_node+0x1c7/0x1e0
[  423.802189]  ? lock_downgrade+0x900/0x900
[  423.806347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.811895]  cache_grow_begin+0xa5/0x8c0
[  423.815958]  ? do_raw_spin_unlock+0xa7/0x330
[  423.820378]  fallback_alloc+0x204/0x2e0
[  423.824358]  ____cache_alloc_node+0x1c7/0x1e0
[  423.828861]  kmem_cache_alloc_node+0xe3/0x730
[  423.833357]  ? ipv6_get_ifaddr+0x42e/0x620
[  423.837605]  __alloc_skb+0x119/0x770
[  423.841321]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.846604]  ? netdev_alloc_frag+0x1f0/0x1f0
[  423.851023]  ? lock_downgrade+0x900/0x900
[  423.855186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.860725]  ? refcount_sub_and_test_checked+0x203/0x310
[  423.866180]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  423.871632]  ? addrconf_rs_timer+0x690/0x690
[  423.876094]  ndisc_alloc_skb+0x144/0x340
[  423.880162]  ndisc_send_rs+0x331/0x6e0
[  423.884065]  addrconf_rs_timer+0x314/0x690
[  423.888309]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.892561]  call_timer_fn+0x272/0x920
[  423.896451]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.900686]  ? process_timeout+0x40/0x40
[  423.904756]  ? mark_held_locks+0xc7/0x130
[  423.908918]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.913425]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.917920]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.922161]  ? lockdep_hardirqs_on+0x296/0x5b0
[  423.926747]  ? trace_hardirqs_on+0xbd/0x310
[  423.931074]  ? kasan_check_read+0x11/0x20
[  423.935270]  ? __run_timers+0x7da/0xc70
[  423.939249]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.944383]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.948627]  __run_timers+0x7e5/0xc70
[  423.952437]  ? timer_fixup_init+0x70/0x70
[  423.956591]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  423.961608]  ? zap_class+0x640/0x640
[  423.965330]  ? print_usage_bug+0xc0/0xc0
[  423.969396]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  423.974592]  ? find_held_lock+0x36/0x1c0
[  423.978660]  ? zap_class+0x640/0x640
[  423.982391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.987930]  ? check_preemption_disabled+0x48/0x280
[  423.992971]  ? __lock_is_held+0xb5/0x140
[  423.997060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.002605]  ? check_preemption_disabled+0x48/0x280
[  424.007660]  run_timer_softirq+0x52/0xb0
[  424.011725]  ? rcu_read_lock_sched_held+0x14f/0x180
[  424.016744]  __do_softirq+0x308/0xb7e
[  424.020563]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  424.025064]  ? lock_downgrade+0x900/0x900
[  424.029218]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  424.034330]  ? pvclock_read_flags+0x160/0x160
[  424.038848]  ? lapic_next_event+0x5a/0x90
[  424.043003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.048554]  ? kvm_clock_read+0x18/0x30
[  424.052527]  ? kvm_sched_clock_read+0x9/0x20
[  424.056936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.062474]  ? check_preemption_disabled+0x48/0x280
[  424.067501]  irq_exit+0x17f/0x1c0
[  424.070958]  smp_apic_timer_interrupt+0x1cb/0x760
[  424.075837]  ? smp_reschedule_interrupt+0x109/0x650
[  424.080872]  ? smp_call_function_single_interrupt+0x650/0x650
[  424.086779]  ? interrupt_entry+0xb5/0xc0
[  424.090845]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.095864]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.100887]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.105733]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.110746]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.115774]  ? task_prio+0x50/0x50
[  424.119331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.124871]  ? check_preemption_disabled+0x48/0x280
[  424.129892]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.134769]  apic_timer_interrupt+0xf/0x20
[  424.139010]  </IRQ>
[  424.141268] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  424.146459] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  424.165357] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  424.173066] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  424.180329] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  424.187614] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  424.194899] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  424.202168] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  424.209467]  retint_kernel+0x1b/0x2d
[  424.213186] RIP: 0010:dump_stack+0x358/0x39d
[  424.217593] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  424.236495] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  424.244220] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  424.251496] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  424.258765] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  424.266047] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  424.273315] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  424.280598]  ? dump_stack+0x34f/0x39d
[  424.284438]  ? dump_stack_print_info.cold.1+0x20/0x20
[  424.289632]  ? mark_held_locks+0x130/0x130
[  424.293868]  ? mark_held_locks+0x130/0x130
[  424.298111]  dump_header+0x27b/0xf72
[  424.301845]  ? pagefault_out_of_memory+0x197/0x197
[  424.306786]  ? __lock_acquire+0x62f/0x4c20
[  424.311041]  ? percpu_ref_get_many+0x240/0x240
[  424.315629]  ? print_usage_bug+0xc0/0xc0
[  424.319725]  ? zap_class+0x640/0x640
[  424.323441]  ? print_usage_bug+0xc0/0xc0
[  424.327503]  ? print_usage_bug+0xc0/0xc0
[  424.331569]  ? zap_class+0x640/0x640
[  424.335292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.340852]  ? find_held_lock+0x36/0x1c0
[  424.344925]  ? mark_held_locks+0xc7/0x130
[  424.349076]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  424.354180]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  424.359285]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  424.363900]  ? trace_hardirqs_on+0xbd/0x310
[  424.368236]  ? kasan_check_read+0x11/0x20
[  424.372412]  ? ___ratelimit+0x3b4/0x672
[  424.376413]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.381516]  ? trace_hardirqs_on+0x310/0x310
[  424.385945]  ? lock_downgrade+0x900/0x900
[  424.390101]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  424.395210]  ? ___ratelimit+0x3b9/0x672
[  424.399188]  ? idr_get_free+0xf70/0xf70
[  424.403161]  ? find_held_lock+0x36/0x1c0
[  424.407238]  oom_kill_process.cold.27+0x10/0x903
[  424.411995]  ? zap_class+0x640/0x640
[  424.415721]  ? check_preemption_disabled+0x48/0x280
[  424.420746]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.425677]  ? kasan_check_read+0x11/0x20
[  424.429823]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.435104]  ? oom_evaluate_task+0x540/0x540
[  424.439514]  ? find_held_lock+0x36/0x1c0
[  424.443598]  ? out_of_memory+0x974/0x1430
[  424.447777]  ? lock_downgrade+0x900/0x900
[  424.451938]  ? check_preemption_disabled+0x48/0x280
[  424.456991]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.461948]  ? kasan_check_read+0x11/0x20
[  424.466100]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.471396]  ? rcu_softirq_qs+0x20/0x20
[  424.475382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.480917]  ? oom_evaluate_task+0x302/0x540
[  424.485343]  out_of_memory+0xa84/0x1430
[  424.489326]  ? oom_killer_disable+0x3a0/0x3a0
[  424.493828]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  424.498761]  ? __ww_mutex_check_waiters+0x160/0x160
[  424.503788]  __alloc_pages_slowpath+0x2354/0x2e10
[  424.508704]  ? warn_alloc+0x120/0x120
[  424.512522]  ? mark_held_locks+0x130/0x130
[  424.516763]  ? find_get_entry+0xaae/0x1120
[  424.521007]  ? filemap_map_pages+0x1a20/0x1a20
[  424.525623]  ? zap_class+0x640/0x640
[  424.529522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.535068]  ? check_preemption_disabled+0x48/0x280
[  424.540089]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.545627]  ? should_fail+0x22d/0xd01
[  424.549526]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.554646]  ? zap_class+0x640/0x640
[  424.558389]  ? __lock_is_held+0xb5/0x140
[  424.562473]  ? mark_held_locks+0x130/0x130
[  424.566715]  ? lock_release+0xa00/0xa00
[  424.570690]  ? perf_trace_sched_process_exec+0x860/0x860
[  424.576173]  ? xa_load+0x2ba/0x460
[  424.579716]  ? lock_downgrade+0x900/0x900
[  424.583869]  ? __might_sleep+0x95/0x190
[  424.587849]  __alloc_pages_nodemask+0xa80/0xde0
[  424.592522]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  424.597552]  ? __page_cache_alloc+0x191/0x5c0
[  424.602054]  ? xa_load+0x2e1/0x460
[  424.605613]  ? xa_clear_mark+0x40/0x40
[  424.609506]  ? zap_class+0x640/0x640
[  424.613693]  ? zap_class+0x640/0x640
[  424.617410]  ? zap_class+0x640/0x640
[  424.621128]  ? __do_page_cache_readahead+0x663/0x810
[  424.626237]  ? find_held_lock+0x36/0x1c0
[  424.630313]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  424.635856]  alloc_pages_current+0x173/0x350
[  424.640271]  __page_cache_alloc+0x38c/0x5c0
[  424.644594]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.649522]  ? kasan_check_read+0x11/0x20
[  424.653697]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.658978]  ? generic_perform_write+0x6a0/0x6a0
[  424.663736]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.669272]  ? check_preemption_disabled+0x48/0x280
[  424.674295]  filemap_fault+0x1595/0x25f0
[  424.678372]  ? __lock_page_or_retry+0xa00/0xa00
[  424.683057]  ? mark_held_locks+0x130/0x130
[  424.687304]  ? filemap_map_pages+0xd6b/0x1a20
[  424.691810]  ? lock_downgrade+0x900/0x900
[  424.695991]  ? check_preemption_disabled+0x48/0x280
[  424.701024]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.705973]  ? kasan_check_read+0x11/0x20
[  424.710122]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.715403]  ? rcu_softirq_qs+0x20/0x20
[  424.719406]  ? filemap_map_pages+0xd92/0x1a20
[  424.723929]  ? find_get_entries_tag+0x1400/0x1400
[  424.728772]  ? ep_scan_ready_list+0xbc7/0x1050
[  424.733370]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.738508]  ? lock_acquire+0x1ed/0x520
[  424.742513]  ? ext4_filemap_fault+0x7a/0xad
[  424.746989]  ? lock_release+0xa00/0xa00
[  424.750972]  ? perf_trace_sched_process_exec+0x860/0x860
[  424.756428]  ? print_usage_bug+0xc0/0xc0
[  424.760491]  ? print_usage_bug+0xc0/0xc0
[  424.764565]  ? down_read+0x8d/0x120
[  424.768192]  ? ext4_filemap_fault+0x7a/0xad
[  424.772519]  ? __down_interruptible+0x700/0x700
[  424.777231]  ext4_filemap_fault+0x82/0xad
[  424.781385]  __do_fault+0x100/0x6b0
[  424.785028]  ? pmd_devmap_trans_unstable+0x220/0x220
[  424.790143]  ? mark_held_locks+0x130/0x130
[  424.794380]  ? mark_held_locks+0x130/0x130
[  424.798630]  ? kasan_check_read+0x11/0x20
[  424.802781]  ? ep_poll+0xffa/0x13d0
[  424.806410]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.811522]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.817096]  __handle_mm_fault+0x3ea0/0x5be0
[  424.821519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.827074]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  424.831939]  ? do_epoll_create+0x590/0x590
[  424.836205]  ? kasan_check_read+0x11/0x20
[  424.840351]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.845673]  ? rcu_softirq_qs+0x20/0x20
[  424.849664]  ? zap_class+0x640/0x640
[  424.853390]  ? zap_class+0x640/0x640
[  424.857112]  ? find_held_lock+0x36/0x1c0
[  424.861182]  ? handle_mm_fault+0x42a/0xc70
[  424.865416]  ? lock_downgrade+0x900/0x900
[  424.869561]  ? check_preemption_disabled+0x48/0x280
[  424.874584]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.879516]  ? kasan_check_read+0x11/0x20
[  424.883666]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.888946]  ? rcu_softirq_qs+0x20/0x20
[  424.892917]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.898066]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.903608]  ? check_preemption_disabled+0x48/0x280
[  424.908633]  handle_mm_fault+0x54f/0xc70
[  424.912698]  ? __handle_mm_fault+0x5be0/0x5be0
[  424.917301]  ? find_vma+0x34/0x190
[  424.920862]  __do_page_fault+0x5e8/0xe60
[  424.924926]  ? trace_hardirqs_off+0xb8/0x310
[  424.929351]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  424.934898]  do_page_fault+0xf2/0x7e0
[  424.938711]  ? vmalloc_sync_all+0x30/0x30
[  424.942859]  ? error_entry+0x70/0xd0
[  424.946573]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.951585]  ? trace_hardirqs_on_caller+0xc0/0x310
[  424.956516]  ? syscall_return_slowpath+0x5e0/0x5e0
[  424.961449]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.966291]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.971308]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  424.976764]  ? prepare_exit_to_usermode+0x291/0x3b0
[  424.981813]  ? page_fault+0x8/0x30
[  424.985362]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.990208]  ? page_fault+0x8/0x30
[  424.993781]  page_fault+0x1e/0x30
[  424.997249] RIP: 0033:0x45df89
[  425.000457] Code: Bad RIP value.
[  425.003825] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  425.009215] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  425.016498] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  425.023852] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  425.031118] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  425.038384] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  425.045682] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  425.045747] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  425.053044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  425.053049] Call Trace:
[  425.053055]  <IRQ>
[  425.053073]  dump_stack+0x244/0x39d
[  425.053096]  ? dump_stack_print_info.cold.1+0x20/0x20
[  425.059626] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  425.068928]  warn_alloc.cold.116+0xb7/0x1bd
[  425.071479] syz-fuzzer cpuset=/ mems_allowed=0
[  425.073622]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  425.106367]  ? lock_downgrade+0x900/0x900
[  425.110523]  ? trace_hardirqs_off+0xb8/0x310
[  425.114946]  ? trace_hardirqs_off+0xb8/0x310
[  425.119468]  __alloc_pages_slowpath+0x26e8/0x2e10
[  425.124344]  ? warn_alloc+0x120/0x120
[  425.128155]  ? print_usage_bug+0xc0/0xc0
[  425.132215]  ? warn_alloc+0x120/0x120
[  425.136032]  ? warn_alloc+0x120/0x120
[  425.139854]  ? print_usage_bug+0xc0/0xc0
[  425.143921]  ? print_usage_bug+0xc0/0xc0
[  425.147987]  ? __lock_acquire+0x62f/0x4c20
[  425.152251]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.157823]  ? should_fail+0x22d/0xd01
[  425.161712]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.166818]  ? __lock_acquire+0x62f/0x4c20
[  425.171058]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.176162]  ? __lock_acquire+0x62f/0x4c20
[  425.180396]  ? should_fail+0x22d/0xd01
[  425.184285]  ? find_held_lock+0x36/0x1c0
[  425.188357]  ? mark_held_locks+0x130/0x130
[  425.192603]  ? mark_held_locks+0x130/0x130
[  425.196837]  ? zap_class+0x640/0x640
[  425.200553]  ? zap_class+0x640/0x640
[  425.204268]  ? print_usage_bug+0xc0/0xc0
[  425.208326]  ? do_raw_spin_unlock+0xa7/0x330
[  425.212740]  ? zap_class+0x640/0x640
[  425.216473]  ? print_usage_bug+0xc0/0xc0
[  425.220553]  ? wq_watchdog_touch+0x9c/0xfe
[  425.224793]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.230332]  ? check_preemption_disabled+0x48/0x280
[  425.235363]  ? __lock_is_held+0xb5/0x140
[  425.239433]  __alloc_pages_nodemask+0xa80/0xde0
[  425.244104]  ? zap_class+0x640/0x640
[  425.247828]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  425.252859]  ? find_held_lock+0x36/0x1c0
[  425.256934]  ? ____cache_alloc_node+0x1c7/0x1e0
[  425.261621]  ? lock_downgrade+0x900/0x900
[  425.265776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.271330]  cache_grow_begin+0xa5/0x8c0
[  425.275391]  ? do_raw_spin_unlock+0xa7/0x330
[  425.279806]  fallback_alloc+0x204/0x2e0
[  425.283787]  ____cache_alloc_node+0x1c7/0x1e0
[  425.288289]  kmem_cache_alloc_node+0xe3/0x730
[  425.292791]  ? ipv6_get_ifaddr+0x42e/0x620
[  425.297049]  __alloc_skb+0x119/0x770
[  425.300766]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.306053]  ? netdev_alloc_frag+0x1f0/0x1f0
[  425.310462]  ? lock_downgrade+0x900/0x900
[  425.314628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.320166]  ? refcount_sub_and_test_checked+0x203/0x310
[  425.325624]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  425.331079]  ? addrconf_rs_timer+0x690/0x690
[  425.335501]  ndisc_alloc_skb+0x144/0x340
[  425.339574]  ndisc_send_rs+0x331/0x6e0
[  425.343483]  addrconf_rs_timer+0x314/0x690
[  425.347735]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.351994]  call_timer_fn+0x272/0x920
[  425.355904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.360156]  ? process_timeout+0x40/0x40
[  425.364225]  ? __run_timers+0x7da/0xc70
[  425.368200]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.372709]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.377205]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.381453]  ? lockdep_hardirqs_on+0x296/0x5b0
[  425.386057]  ? trace_hardirqs_on+0xbd/0x310
[  425.390396]  ? kasan_check_read+0x11/0x20
[  425.394559]  ? __run_timers+0x7da/0xc70
[  425.398534]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.403646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.407884]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.412119]  __run_timers+0x7e5/0xc70
[  425.415944]  ? timer_fixup_init+0x70/0x70
[  425.420110]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  425.425132]  ? zap_class+0x640/0x640
[  425.428850]  ? enqueue_hrtimer+0x1a5/0x560
[  425.433089]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  425.438289]  ? find_held_lock+0x36/0x1c0
[  425.442357]  ? zap_class+0x640/0x640
[  425.446082]  ? pvclock_read_flags+0x160/0x160
[  425.450582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.456126]  ? check_preemption_disabled+0x48/0x280
[  425.461159]  ? __lock_is_held+0xb5/0x140
[  425.465222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.470763]  ? check_preemption_disabled+0x48/0x280
[  425.475785]  run_timer_softirq+0x52/0xb0
[  425.479848]  ? rcu_read_lock_sched_held+0x14f/0x180
[  425.484888]  __do_softirq+0x308/0xb7e
[  425.488692]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  425.493186]  ? lock_downgrade+0x900/0x900
[  425.497340]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  425.502450]  ? pvclock_read_flags+0x160/0x160
[  425.506965]  ? lapic_next_event+0x5a/0x90
[  425.511120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.516663]  ? kvm_clock_read+0x18/0x30
[  425.520641]  ? kvm_sched_clock_read+0x9/0x20
[  425.525059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.530600]  ? check_preemption_disabled+0x48/0x280
[  425.535640]  irq_exit+0x17f/0x1c0
[  425.539118]  smp_apic_timer_interrupt+0x1cb/0x760
[  425.543960]  ? smp_reschedule_interrupt+0x109/0x650
[  425.548979]  ? smp_call_function_single_interrupt+0x650/0x650
[  425.554866]  ? interrupt_entry+0xb5/0xc0
[  425.558929]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.563944]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.568963]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.573808]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.578841]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.583870]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.588721]  apic_timer_interrupt+0xf/0x20
[  425.592950]  </IRQ>
[  425.595190] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  425.600122] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  425.619055] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  425.626779] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  425.634047] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  425.641315] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  425.648599] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  425.655884] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  425.663213]  skb_clone+0x1bb/0x500
[  425.666769]  ? finish_task_switch+0x2f4/0x910
[  425.671285]  ? skb_split+0x11e0/0x11e0
[  425.675178]  ? preempt_notifier_register+0x200/0x200
[  425.680284]  ? __switch_to_asm+0x34/0x70
[  425.684346]  ? __switch_to_asm+0x34/0x70
[  425.688423]  ? __switch_to_asm+0x40/0x70
[  425.692483]  ? __switch_to_asm+0x34/0x70
[  425.696547]  ? __switch_to_asm+0x40/0x70
[  425.700630]  ? __switch_to_asm+0x34/0x70
[  425.704689]  ? __switch_to_asm+0x40/0x70
[  425.708792]  ? __switch_to_asm+0x34/0x70
[  425.712849]  ? __switch_to_asm+0x34/0x70
[  425.716909]  ? __switch_to_asm+0x40/0x70
[  425.720987]  ? __switch_to_asm+0x34/0x70
[  425.725082]  bpf_clone_redirect+0xb9/0x490
[  425.729330]  ? __schedule+0x8d7/0x21d0
[  425.733228]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  425.738248]  ? __sched_text_start+0x8/0x8
[  425.742401]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  425.746985]  ? retint_kernel+0x2d/0x2d
[  425.750886]  ? trace_hardirqs_on_caller+0xc0/0x310
[  425.755825]  ? find_held_lock+0x36/0x1c0
[  425.759899]  ? lock_acquire+0x1ed/0x520
[  425.763871]  ? bpf_test_run+0x3cb/0x780
[  425.767860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.773398]  ? check_preemption_disabled+0x48/0x280
[  425.778435]  ? kasan_check_read+0x11/0x20
[  425.782584]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.787860]  ? rcu_softirq_qs+0x20/0x20
[  425.791870]  ? preempt_schedule+0x4d/0x60
[  425.796030]  ? ___preempt_schedule+0x16/0x18
[  425.800466]  ? bpf_test_run+0x25d/0x780
[  425.804455]  ? netlink_diag_dump+0x2a0/0x2a0
[  425.808879]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.814417]  ? bpf_test_init.isra.10+0x70/0x100
[  425.819088]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  425.823856]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  425.828694]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  425.834232]  ? fput+0x130/0x1a0
[  425.837517]  ? __bpf_prog_get+0x9b/0x290
[  425.841618]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  425.846458]  ? bpf_prog_test_run+0x130/0x1a0
[  425.850871]  ? __x64_sys_bpf+0x3d8/0x520
[  425.854931]  ? bpf_prog_get+0x20/0x20
[  425.858754]  ? do_syscall_64+0x1b9/0x820
[  425.862812]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  425.868176]  ? syscall_return_slowpath+0x5e0/0x5e0
[  425.873119]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.877965]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.882999]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  425.888068]  ? prepare_exit_to_usermode+0x291/0x3b0
[  425.893102]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.897967]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  425.903383] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  425.903388] warn_alloc_show_mem: 1 callbacks suppressed
[  425.903395] Mem-Info:
[  425.910406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  425.915806] active_anon:51179 inactive_anon:236 isolated_anon:0
[  425.915806]  active_file:17 inactive_file:9 isolated_file:0
[  425.915806]  unevictable:0 dirty:0 writeback:0 unstable:0
[  425.915806]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  425.915806]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  425.915806]  free:13694 free_pcp:258 free_cma:0
[  425.918180] Call Trace:
[  425.927586] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  425.960341]  <IRQ>
[  425.962914] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  425.990423]  dump_stack+0x244/0x39d
[  425.992551] lowmem_reserve[]: 0 2818 6321 6321
[  426.018687]  ? dump_stack_print_info.cold.1+0x20/0x20
[  426.022286] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  426.026882]  warn_alloc.cold.116+0xb7/0x1bd
[  426.032052] lowmem_reserve[]: 0 0 3503 3503
[  426.059214]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  426.063509] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  426.067823]  ? lock_downgrade+0x900/0x900
[  426.072637] lowmem_reserve[]: 0 0 0 0
[  426.101609]  ? trace_hardirqs_off+0xb8/0x310
[  426.105726] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  426.109522]  ? trace_hardirqs_off+0xb8/0x310
[  426.113904] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  426.127424]  __alloc_pages_slowpath+0x26e8/0x2e10
[  426.131805] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  426.146992]  ? warn_alloc+0x120/0x120
[  426.151796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  426.166024]  ? print_usage_bug+0xc0/0xc0
[  426.169804] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  426.178629]  ? warn_alloc+0x120/0x120
[  426.182667] 309 total pagecache pages
[  426.191251]  ? warn_alloc+0x120/0x120
[  426.195037] 0 pages in swap cache
[  426.198827]  ? print_usage_bug+0xc0/0xc0
[  426.202607] Swap cache stats: add 0, delete 0, find 0/0
[  426.206059]  ? print_usage_bug+0xc0/0xc0
[  426.210094] Free swap  = 0kB
[  426.215492]  ? __lock_acquire+0x62f/0x4c20
[  426.219531] Total swap = 0kB
[  426.222545]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.226756] 1965979 pages RAM
[  426.229775]  ? should_fail+0x22d/0xd01
[  426.235288] 0 pages HighMem/MovableOnly
[  426.238389]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.242250] 342853 pages reserved
[  426.246216]  ? __lock_acquire+0x62f/0x4c20
[  426.251294] 0 pages cma reserved
[  426.254756]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.259034] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  426.262314]  ? __lock_acquire+0x62f/0x4c20
[  426.262326]  ? should_fail+0x22d/0xd01
[  426.262340]  ? find_held_lock+0x36/0x1c0
[  426.262362]  ? mark_held_locks+0x130/0x130
[  426.267494] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  426.273926]  ? mark_held_locks+0x130/0x130
[  426.278134] syz-executor2 cpuset=syz2 mems_allowed=0
[  426.282012]  ? zap_class+0x640/0x640
[  426.313794]  ? zap_class+0x640/0x640
[  426.317513]  ? print_usage_bug+0xc0/0xc0
[  426.321587]  ? do_raw_spin_unlock+0xa7/0x330
[  426.325993]  ? zap_class+0x640/0x640
[  426.329748]  ? print_usage_bug+0xc0/0xc0
[  426.333892]  ? wq_watchdog_touch+0x9c/0xfe
[  426.338146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.343691]  ? check_preemption_disabled+0x48/0x280
[  426.348717]  ? __lock_is_held+0xb5/0x140
[  426.352801]  __alloc_pages_nodemask+0xa80/0xde0
[  426.357485]  ? zap_class+0x640/0x640
[  426.361210]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  426.366240]  ? find_held_lock+0x36/0x1c0
[  426.370312]  ? ____cache_alloc_node+0x1c7/0x1e0
[  426.374981]  ? lock_downgrade+0x900/0x900
[  426.379165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.384707]  cache_grow_begin+0xa5/0x8c0
[  426.388774]  ? do_raw_spin_unlock+0xa7/0x330
[  426.393192]  fallback_alloc+0x204/0x2e0
[  426.397181]  ____cache_alloc_node+0x1c7/0x1e0
[  426.401704]  kmem_cache_alloc_node+0xe3/0x730
[  426.406216]  ? ipv6_get_ifaddr+0x42e/0x620
[  426.410461]  __alloc_skb+0x119/0x770
[  426.414175]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.419480]  ? netdev_alloc_frag+0x1f0/0x1f0
[  426.423888]  ? lock_downgrade+0x900/0x900
[  426.428066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.433603]  ? refcount_sub_and_test_checked+0x203/0x310
[  426.439064]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  426.444514]  ? addrconf_rs_timer+0x690/0x690
[  426.448936]  ndisc_alloc_skb+0x144/0x340
[  426.453044]  ndisc_send_rs+0x331/0x6e0
[  426.456940]  addrconf_rs_timer+0x314/0x690
[  426.461180]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.465428]  call_timer_fn+0x272/0x920
[  426.469314]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.473566]  ? process_timeout+0x40/0x40
[  426.477639]  ? mark_held_locks+0xc7/0x130
[  426.481788]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.486279]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.490769]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.495027]  ? lockdep_hardirqs_on+0x296/0x5b0
[  426.499621]  ? trace_hardirqs_on+0xbd/0x310
[  426.503957]  ? kasan_check_read+0x11/0x20
[  426.508104]  ? __run_timers+0x7da/0xc70
[  426.512080]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.517188]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.521425]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.525655]  __run_timers+0x7e5/0xc70
[  426.529501]  ? timer_fixup_init+0x70/0x70
[  426.533656]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  426.538675]  ? zap_class+0x640/0x640
[  426.542408]  ? print_usage_bug+0xc0/0xc0
[  426.546474]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  426.551671]  ? find_held_lock+0x36/0x1c0
[  426.555740]  ? zap_class+0x640/0x640
[  426.559460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.565027]  ? check_preemption_disabled+0x48/0x280
[  426.570078]  ? __lock_is_held+0xb5/0x140
[  426.574141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.579692]  ? check_preemption_disabled+0x48/0x280
[  426.584710]  run_timer_softirq+0x52/0xb0
[  426.588771]  ? rcu_read_lock_sched_held+0x14f/0x180
[  426.593832]  __do_softirq+0x308/0xb7e
[  426.597670]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  426.602167]  ? lock_downgrade+0x900/0x900
[  426.606335]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  426.611801]  ? pvclock_read_flags+0x160/0x160
[  426.616300]  ? lapic_next_event+0x5a/0x90
[  426.620449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.626004]  ? kvm_clock_read+0x18/0x30
[  426.629991]  ? kvm_sched_clock_read+0x9/0x20
[  426.634452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.639992]  ? check_preemption_disabled+0x48/0x280
[  426.645033]  irq_exit+0x17f/0x1c0
[  426.648508]  smp_apic_timer_interrupt+0x1cb/0x760
[  426.653351]  ? smp_reschedule_interrupt+0x109/0x650
[  426.658368]  ? smp_call_function_single_interrupt+0x650/0x650
[  426.664252]  ? interrupt_entry+0xb5/0xc0
[  426.668317]  ? trace_hardirqs_off_caller+0xbb/0x310
[  426.673335]  ? trace_hardirqs_off_caller+0xbb/0x310
[  426.678358]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.683207]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.688224]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.693243]  ? task_prio+0x50/0x50
[  426.696807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.702368]  ? check_preemption_disabled+0x48/0x280
[  426.707390]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.712245]  apic_timer_interrupt+0xf/0x20
[  426.716474]  </IRQ>
[  426.718715] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  426.723907] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  426.742805] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  426.750542] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  426.757810] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  426.765078] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  426.772359] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  426.779627] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  426.786929]  retint_kernel+0x1b/0x2d
[  426.790645] RIP: 0010:dump_stack+0x358/0x39d
[  426.795057] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  426.813982] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  426.821692] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  426.828972] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  426.836238] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  426.843502] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  426.850776] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  426.858070]  ? dump_stack+0x34f/0x39d
[  426.861885]  ? dump_stack_print_info.cold.1+0x20/0x20
[  426.867077]  ? mark_held_locks+0x130/0x130
[  426.871343]  ? mark_held_locks+0x130/0x130
[  426.875602]  dump_header+0x27b/0xf72
[  426.879331]  ? pagefault_out_of_memory+0x197/0x197
[  426.884269]  ? __lock_acquire+0x62f/0x4c20
[  426.888507]  ? percpu_ref_get_many+0x240/0x240
[  426.893093]  ? print_usage_bug+0xc0/0xc0
[  426.897169]  ? zap_class+0x640/0x640
[  426.900890]  ? print_usage_bug+0xc0/0xc0
[  426.904951]  ? print_usage_bug+0xc0/0xc0
[  426.909069]  ? zap_class+0x640/0x640
[  426.912790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.918333]  ? find_held_lock+0x36/0x1c0
[  426.922421]  ? mark_held_locks+0xc7/0x130
[  426.926572]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  426.931693]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  426.936812]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  426.941442]  ? trace_hardirqs_on+0xbd/0x310
[  426.945784]  ? kasan_check_read+0x11/0x20
[  426.949949]  ? ___ratelimit+0x3b4/0x672
[  426.953928]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.959059]  ? trace_hardirqs_on+0x310/0x310
[  426.963471]  ? lock_downgrade+0x900/0x900
[  426.967666]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  426.972770]  ? ___ratelimit+0x3b9/0x672
[  426.976749]  ? idr_get_free+0xf70/0xf70
[  426.980722]  ? find_held_lock+0x36/0x1c0
[  426.984794]  oom_kill_process.cold.27+0x10/0x903
[  426.989579]  ? zap_class+0x640/0x640
[  426.993328]  ? check_preemption_disabled+0x48/0x280
[  426.998347]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  427.003294]  ? kasan_check_read+0x11/0x20
[  427.007444]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.012725]  ? oom_evaluate_task+0x540/0x540
[  427.017140]  ? find_held_lock+0x36/0x1c0
[  427.021225]  ? out_of_memory+0x974/0x1430
[  427.025375]  ? lock_downgrade+0x900/0x900
[  427.029568]  ? check_preemption_disabled+0x48/0x280
[  427.034584]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  427.039529]  ? kasan_check_read+0x11/0x20
[  427.043676]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.048955]  ? rcu_softirq_qs+0x20/0x20
[  427.052934]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.058470]  ? oom_evaluate_task+0x302/0x540
[  427.062881]  out_of_memory+0xa84/0x1430
[  427.066860]  ? oom_killer_disable+0x3a0/0x3a0
[  427.071375]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  427.076342]  ? __ww_mutex_check_waiters+0x160/0x160
[  427.081388]  __alloc_pages_slowpath+0x2354/0x2e10
[  427.086261]  ? warn_alloc+0x120/0x120
[  427.090066]  ? mark_held_locks+0x130/0x130
[  427.094321]  ? find_get_entry+0xaae/0x1120
[  427.098566]  ? filemap_map_pages+0x1a20/0x1a20
[  427.103246]  ? zap_class+0x640/0x640
[  427.106971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.112507]  ? check_preemption_disabled+0x48/0x280
[  427.117537]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.123076]  ? should_fail+0x22d/0xd01
[  427.126987]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.132096]  ? zap_class+0x640/0x640
[  427.135838]  ? __lock_is_held+0xb5/0x140
[  427.139927]  ? mark_held_locks+0x130/0x130
[  427.144167]  ? lock_release+0xa00/0xa00
[  427.148162]  ? perf_trace_sched_process_exec+0x860/0x860
[  427.153613]  ? xa_load+0x2ba/0x460
[  427.157154]  ? lock_downgrade+0x900/0x900
[  427.161314]  ? __might_sleep+0x95/0x190
[  427.165296]  __alloc_pages_nodemask+0xa80/0xde0
[  427.169977]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  427.174997]  ? __page_cache_alloc+0x191/0x5c0
[  427.179512]  ? xa_load+0x2e1/0x460
[  427.183074]  ? xa_clear_mark+0x40/0x40
[  427.186964]  ? zap_class+0x640/0x640
[  427.190714]  ? zap_class+0x640/0x640
[  427.194430]  ? zap_class+0x640/0x640
[  427.198145]  ? __do_page_cache_readahead+0x663/0x810
[  427.203255]  ? find_held_lock+0x36/0x1c0
[  427.207323]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  427.212868]  alloc_pages_current+0x173/0x350
[  427.217284]  __page_cache_alloc+0x38c/0x5c0
[  427.221606]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  427.226532]  ? kasan_check_read+0x11/0x20
[  427.230676]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.235956]  ? generic_perform_write+0x6a0/0x6a0
[  427.240713]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.246252]  ? check_preemption_disabled+0x48/0x280
[  427.251281]  filemap_fault+0x1595/0x25f0
[  427.255373]  ? __lock_page_or_retry+0xa00/0xa00
[  427.260059]  ? mark_held_locks+0x130/0x130
[  427.264310]  ? filemap_map_pages+0xd6b/0x1a20
[  427.268809]  ? lock_downgrade+0x900/0x900
[  427.272956]  ? check_preemption_disabled+0x48/0x280
[  427.277980]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  427.282914]  ? kasan_check_read+0x11/0x20
[  427.287082]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.292358]  ? rcu_softirq_qs+0x20/0x20
[  427.296345]  ? filemap_map_pages+0xd92/0x1a20
[  427.300855]  ? find_get_entries_tag+0x1400/0x1400
[  427.305719]  ? ep_scan_ready_list+0xbc7/0x1050
[  427.310309]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.315430]  ? lock_acquire+0x1ed/0x520
[  427.319405]  ? ext4_filemap_fault+0x7a/0xad
[  427.323732]  ? lock_release+0xa00/0xa00
[  427.327707]  ? perf_trace_sched_process_exec+0x860/0x860
[  427.333158]  ? print_usage_bug+0xc0/0xc0
[  427.337221]  ? print_usage_bug+0xc0/0xc0
[  427.341313]  ? down_read+0x8d/0x120
[  427.344942]  ? ext4_filemap_fault+0x7a/0xad
[  427.349265]  ? __down_interruptible+0x700/0x700
[  427.353944]  ext4_filemap_fault+0x82/0xad
[  427.358100]  __do_fault+0x100/0x6b0
[  427.361737]  ? pmd_devmap_trans_unstable+0x220/0x220
[  427.366843]  ? mark_held_locks+0x130/0x130
[  427.371083]  ? mark_held_locks+0x130/0x130
[  427.375316]  ? kasan_check_read+0x11/0x20
[  427.379469]  ? ep_poll+0xffa/0x13d0
[  427.383100]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.388240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.393788]  __handle_mm_fault+0x3ea0/0x5be0
[  427.398198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.403743]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  427.408595]  ? do_epoll_create+0x590/0x590
[  427.412827]  ? kasan_check_read+0x11/0x20
[  427.416975]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.422255]  ? rcu_softirq_qs+0x20/0x20
[  427.426248]  ? zap_class+0x640/0x640
[  427.429961]  ? zap_class+0x640/0x640
[  427.433682]  ? find_held_lock+0x36/0x1c0
[  427.437780]  ? handle_mm_fault+0x42a/0xc70
[  427.442028]  ? lock_downgrade+0x900/0x900
[  427.446183]  ? check_preemption_disabled+0x48/0x280
[  427.451202]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  427.456127]  ? kasan_check_read+0x11/0x20
[  427.460273]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.465563]  ? rcu_softirq_qs+0x20/0x20
[  427.469564]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.474687]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.480227]  ? check_preemption_disabled+0x48/0x280
[  427.485255]  handle_mm_fault+0x54f/0xc70
[  427.489336]  ? __handle_mm_fault+0x5be0/0x5be0
[  427.493924]  ? find_vma+0x34/0x190
[  427.497472]  __do_page_fault+0x5e8/0xe60
[  427.501533]  ? trace_hardirqs_off+0xb8/0x310
[  427.505942]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  427.511487]  do_page_fault+0xf2/0x7e0
[  427.515465]  ? vmalloc_sync_all+0x30/0x30
[  427.519612]  ? error_entry+0x70/0xd0
[  427.523354]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.528390]  ? trace_hardirqs_on_caller+0xc0/0x310
[  427.533321]  ? syscall_return_slowpath+0x5e0/0x5e0
[  427.538248]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.543094]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.548112]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  427.553569]  ? prepare_exit_to_usermode+0x291/0x3b0
[  427.558586]  ? page_fault+0x8/0x30
[  427.562132]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.567025]  ? page_fault+0x8/0x30
[  427.570590]  page_fault+0x1e/0x30
[  427.574075] RIP: 0033:0x45df89
[  427.577280] Code: Bad RIP value.
[  427.580643] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  427.586026] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  427.593297] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  427.600562] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  427.607831] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  427.615124] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  427.622420] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  427.622501] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  427.629782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  427.629791] Call Trace:
[  427.636370] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  427.645642]  <IRQ>
[  427.648240] syz-fuzzer cpuset=/ mems_allowed=0
[  427.658478]  dump_stack+0x244/0x39d
[  427.668825]  ? dump_stack_print_info.cold.1+0x20/0x20
[  427.674035]  warn_alloc.cold.116+0xb7/0x1bd
[  427.678362]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  427.683211]  ? lock_downgrade+0x900/0x900
[  427.687370]  ? trace_hardirqs_off+0xb8/0x310
[  427.691786]  ? trace_hardirqs_off+0xb8/0x310
[  427.696220]  __alloc_pages_slowpath+0x26e8/0x2e10
[  427.701097]  ? warn_alloc+0x120/0x120
[  427.704943]  ? print_usage_bug+0xc0/0xc0
[  427.709032]  ? warn_alloc+0x120/0x120
[  427.712838]  ? warn_alloc+0x120/0x120
[  427.716645]  ? print_usage_bug+0xc0/0xc0
[  427.720710]  ? print_usage_bug+0xc0/0xc0
[  427.724774]  ? __lock_acquire+0x62f/0x4c20
[  427.729023]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.734583]  ? should_fail+0x22d/0xd01
[  427.738493]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.743599]  ? __lock_acquire+0x62f/0x4c20
[  427.747841]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.752970]  ? __lock_acquire+0x62f/0x4c20
[  427.757223]  ? should_fail+0x22d/0xd01
[  427.761127]  ? find_held_lock+0x36/0x1c0
[  427.765201]  ? mark_held_locks+0x130/0x130
[  427.769453]  ? mark_held_locks+0x130/0x130
[  427.773702]  ? zap_class+0x640/0x640
[  427.777417]  ? zap_class+0x640/0x640
[  427.781138]  ? print_usage_bug+0xc0/0xc0
[  427.785217]  ? do_raw_spin_unlock+0xa7/0x330
[  427.789625]  ? zap_class+0x640/0x640
[  427.793355]  ? print_usage_bug+0xc0/0xc0
[  427.797433]  ? wq_watchdog_touch+0x9c/0xfe
[  427.801670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.807211]  ? check_preemption_disabled+0x48/0x280
[  427.812238]  ? __lock_is_held+0xb5/0x140
[  427.816306]  __alloc_pages_nodemask+0xa80/0xde0
[  427.820977]  ? zap_class+0x640/0x640
[  427.824698]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  427.829726]  ? find_held_lock+0x36/0x1c0
[  427.833817]  ? ____cache_alloc_node+0x1c7/0x1e0
[  427.838505]  ? lock_downgrade+0x900/0x900
[  427.842664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.848212]  cache_grow_begin+0xa5/0x8c0
[  427.852291]  ? do_raw_spin_unlock+0xa7/0x330
[  427.856711]  fallback_alloc+0x204/0x2e0
[  427.860692]  ____cache_alloc_node+0x1c7/0x1e0
[  427.865196]  kmem_cache_alloc_node+0xe3/0x730
[  427.869692]  ? ipv6_get_ifaddr+0x42e/0x620
[  427.873941]  __alloc_skb+0x119/0x770
[  427.877667]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.882979]  ? netdev_alloc_frag+0x1f0/0x1f0
[  427.887566]  ? lock_downgrade+0x900/0x900
[  427.891725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.897266]  ? refcount_sub_and_test_checked+0x203/0x310
[  427.902720]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  427.908171]  ? addrconf_rs_timer+0x690/0x690
[  427.912595]  ndisc_alloc_skb+0x144/0x340
[  427.916677]  ndisc_send_rs+0x331/0x6e0
[  427.920577]  addrconf_rs_timer+0x314/0x690
[  427.924829]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.929074]  call_timer_fn+0x272/0x920
[  427.932967]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.937204]  ? process_timeout+0x40/0x40
[  427.941365]  ? __run_timers+0x7da/0xc70
[  427.945359]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.949852]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.954347]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.958585]  ? lockdep_hardirqs_on+0x296/0x5b0
[  427.963181]  ? trace_hardirqs_on+0xbd/0x310
[  427.967504]  ? kasan_check_read+0x11/0x20
[  427.971659]  ? __run_timers+0x7da/0xc70
[  427.975635]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.980742]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.985000]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  427.989240]  __run_timers+0x7e5/0xc70
[  427.993057]  ? timer_fixup_init+0x70/0x70
[  427.997225]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  428.002245]  ? zap_class+0x640/0x640
[  428.005964]  ? enqueue_hrtimer+0x1a5/0x560
[  428.010243]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  428.015459]  ? find_held_lock+0x36/0x1c0
[  428.019528]  ? zap_class+0x640/0x640
[  428.023253]  ? pvclock_read_flags+0x160/0x160
[  428.027754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.033295]  ? check_preemption_disabled+0x48/0x280
[  428.038341]  ? __lock_is_held+0xb5/0x140
[  428.042422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.047980]  ? check_preemption_disabled+0x48/0x280
[  428.053006]  run_timer_softirq+0x52/0xb0
[  428.057105]  ? rcu_read_lock_sched_held+0x14f/0x180
[  428.062121]  __do_softirq+0x308/0xb7e
[  428.065931]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  428.070438]  ? lock_downgrade+0x900/0x900
[  428.074605]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  428.079713]  ? pvclock_read_flags+0x160/0x160
[  428.084211]  ? lapic_next_event+0x5a/0x90
[  428.088362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.093909]  ? kvm_clock_read+0x18/0x30
[  428.097888]  ? kvm_sched_clock_read+0x9/0x20
[  428.102302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.107842]  ? check_preemption_disabled+0x48/0x280
[  428.112868]  irq_exit+0x17f/0x1c0
[  428.116325]  smp_apic_timer_interrupt+0x1cb/0x760
[  428.121212]  ? smp_reschedule_interrupt+0x109/0x650
[  428.126230]  ? smp_call_function_single_interrupt+0x650/0x650
[  428.132116]  ? interrupt_entry+0xb5/0xc0
[  428.136195]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.141212]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.146235]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.151080]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.156101]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.161218]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.166075]  apic_timer_interrupt+0xf/0x20
[  428.170305]  </IRQ>
[  428.172549] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  428.177480] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  428.196381] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  428.204103] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  428.211384] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  428.218652] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  428.225921] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  428.233187] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  428.240500]  skb_clone+0x1bb/0x500
[  428.244049]  ? finish_task_switch+0x2f4/0x910
[  428.248559]  ? skb_split+0x11e0/0x11e0
[  428.252483]  ? preempt_notifier_register+0x200/0x200
[  428.257587]  ? __switch_to_asm+0x34/0x70
[  428.261662]  ? __switch_to_asm+0x34/0x70
[  428.265719]  ? __switch_to_asm+0x40/0x70
[  428.269792]  ? __switch_to_asm+0x34/0x70
[  428.273850]  ? __switch_to_asm+0x40/0x70
[  428.277922]  ? __switch_to_asm+0x34/0x70
[  428.281980]  ? __switch_to_asm+0x40/0x70
[  428.286061]  ? __switch_to_asm+0x34/0x70
[  428.290126]  ? __switch_to_asm+0x34/0x70
[  428.294187]  ? __switch_to_asm+0x40/0x70
[  428.298252]  ? __switch_to_asm+0x34/0x70
[  428.302348]  bpf_clone_redirect+0xb9/0x490
[  428.306642]  ? __schedule+0x8d7/0x21d0
[  428.310531]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  428.315563]  ? __sched_text_start+0x8/0x8
[  428.319731]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  428.324325]  ? retint_kernel+0x2d/0x2d
[  428.328214]  ? trace_hardirqs_on_caller+0xc0/0x310
[  428.333152]  ? find_held_lock+0x36/0x1c0
[  428.337224]  ? lock_acquire+0x1ed/0x520
[  428.341200]  ? bpf_test_run+0x3cb/0x780
[  428.345180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.350723]  ? check_preemption_disabled+0x48/0x280
[  428.355747]  ? kasan_check_read+0x11/0x20
[  428.359896]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.365175]  ? rcu_softirq_qs+0x20/0x20
[  428.369151]  ? preempt_schedule+0x4d/0x60
[  428.373304]  ? ___preempt_schedule+0x16/0x18
[  428.377719]  ? bpf_test_run+0x25d/0x780
[  428.381710]  ? netlink_diag_dump+0x2a0/0x2a0
[  428.386128]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.391665]  ? bpf_test_init.isra.10+0x70/0x100
[  428.396343]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  428.401111]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  428.405953]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  428.411492]  ? fput+0x130/0x1a0
[  428.414775]  ? __bpf_prog_get+0x9b/0x290
[  428.418843]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  428.423688]  ? bpf_prog_test_run+0x130/0x1a0
[  428.428106]  ? __x64_sys_bpf+0x3d8/0x520
[  428.432171]  ? bpf_prog_get+0x20/0x20
[  428.435994]  ? do_syscall_64+0x1b9/0x820
[  428.440068]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  428.445436]  ? syscall_return_slowpath+0x5e0/0x5e0
[  428.450367]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.455217]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.460241]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  428.465276]  ? prepare_exit_to_usermode+0x291/0x3b0
[  428.470302]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.475151]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  428.480549] warn_alloc_show_mem: 1 callbacks suppressed
[  428.480561] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  428.480563] Mem-Info:
[  428.480596] active_anon:51179 inactive_anon:236 isolated_anon:0
[  428.480596]  active_file:17 inactive_file:9 isolated_file:0
[  428.480596]  unevictable:0 dirty:0 writeback:0 unstable:0
[  428.480596]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  428.480596]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  428.480596]  free:13694 free_pcp:258 free_cma:0
[  428.485955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  428.485964] Call Trace:
[  428.492986] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  428.495390]  <IRQ>
[  428.528168] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  428.537516]  dump_stack+0x244/0x39d
[  428.540091] lowmem_reserve[]: 0 2818 6321 6321
[  428.567598]  ? dump_stack_print_info.cold.1+0x20/0x20
[  428.569725] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  428.595838]  warn_alloc.cold.116+0xb7/0x1bd
[  428.599434] lowmem_reserve[]: 0 0 3503 3503
[  428.604011]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  428.609196] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  428.636782]  ? lock_downgrade+0x900/0x900
[  428.641084] lowmem_reserve[]: 0 0 0 0
[  428.645416]  ? trace_hardirqs_off+0xb8/0x310
[  428.650231] 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
[  428.679201]  ? trace_hardirqs_off+0xb8/0x310
[  428.683325] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  428.687157]  __alloc_pages_slowpath+0x26e8/0x2e10
[  428.691570] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  428.705110]  ? warn_alloc+0x120/0x120
[  428.709477] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  428.724635]  ? print_usage_bug+0xc0/0xc0
[  428.729473] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  428.743795]  ? warn_alloc+0x120/0x120
[  428.747574] 309 total pagecache pages
[  428.756419]  ? warn_alloc+0x120/0x120
[  428.760456] 0 pages in swap cache
[  428.769026]  ? print_usage_bug+0xc0/0xc0
[  428.772805] Swap cache stats: add 0, delete 0, find 0/0
[  428.776594]  ? kvm_clock_read+0x18/0x30
[  428.780372] Free swap  = 0kB
[  428.783817]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  428.787849] Total swap = 0kB
[  428.793207]  ? print_usage_bug+0xc0/0xc0
[  428.797157] 1965979 pages RAM
[  428.800167]  ? __lock_acquire+0x62f/0x4c20
[  428.805158] 0 pages HighMem/MovableOnly
[  428.808189]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.812244] 342853 pages reserved
[  428.815346]  ? should_fail+0x22d/0xd01
[  428.819558] 0 pages cma reserved
[  428.823523]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.829107] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  428.832493]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.832508]  ? __lock_acquire+0x62f/0x4c20
[  428.832526]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.836453] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  428.839756]  ? __lock_acquire+0x62f/0x4c20
[  428.845009] syz-executor2 cpuset=syz2 mems_allowed=0
[  428.851505]  ? should_fail+0x22d/0xd01
[  428.889591]  ? rcu_irq_exit+0x1a2/0x390
[  428.893590]  ? mark_held_locks+0x130/0x130
[  428.897830]  ? mark_held_locks+0x130/0x130
[  428.902079]  ? mark_held_locks+0xc7/0x130
[  428.906234]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  428.911249]  ? zap_class+0x640/0x640
[  428.914963]  ? print_usage_bug+0xc0/0xc0
[  428.919043]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.924583]  ? check_preemption_disabled+0x48/0x280
[  428.929625]  ? __lock_is_held+0xb5/0x140
[  428.933708]  __alloc_pages_nodemask+0xa80/0xde0
[  428.938376]  ? zap_class+0x640/0x640
[  428.942096]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  428.947150]  ? find_held_lock+0x36/0x1c0
[  428.951234]  ? ____cache_alloc_node+0x1c7/0x1e0
[  428.955909]  ? lock_downgrade+0x900/0x900
[  428.960075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.965632]  cache_grow_begin+0xa5/0x8c0
[  428.969693]  ? do_raw_spin_unlock+0xa7/0x330
[  428.974115]  fallback_alloc+0x204/0x2e0
[  428.978109]  ____cache_alloc_node+0x1c7/0x1e0
[  428.982671]  kmem_cache_alloc_node+0xe3/0x730
[  428.987165]  ? ipv6_get_ifaddr+0x42e/0x620
[  428.991429]  __alloc_skb+0x119/0x770
[  428.995144]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.000457]  ? netdev_alloc_frag+0x1f0/0x1f0
[  429.004885]  ? lock_downgrade+0x900/0x900
[  429.009083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.014635]  ? refcount_sub_and_test_checked+0x203/0x310
[  429.020092]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  429.025543]  ? addrconf_rs_timer+0x690/0x690
[  429.029972]  ndisc_alloc_skb+0x144/0x340
[  429.034050]  ndisc_send_rs+0x331/0x6e0
[  429.037948]  addrconf_rs_timer+0x314/0x690
[  429.042189]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.046435]  call_timer_fn+0x272/0x920
[  429.050347]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.054582]  ? process_timeout+0x40/0x40
[  429.058651]  ? mark_held_locks+0xc7/0x130
[  429.062813]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.067319]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.071811]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.076058]  ? lockdep_hardirqs_on+0x296/0x5b0
[  429.080671]  ? trace_hardirqs_on+0xbd/0x310
[  429.085001]  ? kasan_check_read+0x11/0x20
[  429.089158]  ? __run_timers+0x7da/0xc70
[  429.093137]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.098263]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.102505]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.106743]  __run_timers+0x7e5/0xc70
[  429.110587]  ? timer_fixup_init+0x70/0x70
[  429.114749]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  429.119769]  ? zap_class+0x640/0x640
[  429.123485]  ? print_usage_bug+0xc0/0xc0
[  429.127545]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  429.132744]  ? find_held_lock+0x36/0x1c0
[  429.136816]  ? zap_class+0x640/0x640
[  429.140538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.146082]  ? check_preemption_disabled+0x48/0x280
[  429.151111]  ? __lock_is_held+0xb5/0x140
[  429.155175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.160718]  ? check_preemption_disabled+0x48/0x280
[  429.165752]  run_timer_softirq+0x52/0xb0
[  429.170699]  ? rcu_read_lock_sched_held+0x14f/0x180
[  429.175721]  __do_softirq+0x308/0xb7e
[  429.179528]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  429.184034]  ? lock_downgrade+0x900/0x900
[  429.188210]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  429.193349]  ? pvclock_read_flags+0x160/0x160
[  429.197876]  ? lapic_next_event+0x5a/0x90
[  429.202052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.207596]  ? kvm_clock_read+0x18/0x30
[  429.211574]  ? kvm_sched_clock_read+0x9/0x20
[  429.215983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.221529]  ? check_preemption_disabled+0x48/0x280
[  429.226554]  irq_exit+0x17f/0x1c0
[  429.230056]  smp_apic_timer_interrupt+0x1cb/0x760
[  429.234945]  ? smp_reschedule_interrupt+0x109/0x650
[  429.239971]  ? smp_call_function_single_interrupt+0x650/0x650
[  429.245880]  ? interrupt_entry+0xb5/0xc0
[  429.249944]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.254958]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.259975]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.264845]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.270078]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.275098]  ? task_prio+0x50/0x50
[  429.278671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.284210]  ? check_preemption_disabled+0x48/0x280
[  429.289234]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.294105]  apic_timer_interrupt+0xf/0x20
[  429.298344]  </IRQ>
[  429.300584] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  429.305780] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  429.324681] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  429.332387] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  429.339655] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  429.346926] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  429.354193] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  429.361507] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  429.368821]  retint_kernel+0x1b/0x2d
[  429.372536] RIP: 0010:dump_stack+0x358/0x39d
[  429.376945] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  429.395843] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  429.403551] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  429.410822] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  429.418090] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  429.425357] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  429.432622] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  429.439905]  ? dump_stack+0x34f/0x39d
[  429.443731]  ? dump_stack_print_info.cold.1+0x20/0x20
[  429.449813]  ? mark_held_locks+0x130/0x130
[  429.454058]  ? mark_held_locks+0x130/0x130
[  429.458303]  dump_header+0x27b/0xf72
[  429.462057]  ? pagefault_out_of_memory+0x197/0x197
[  429.467021]  ? __lock_acquire+0x62f/0x4c20
[  429.471261]  ? percpu_ref_get_many+0x240/0x240
[  429.475848]  ? print_usage_bug+0xc0/0xc0
[  429.479916]  ? zap_class+0x640/0x640
[  429.483636]  ? print_usage_bug+0xc0/0xc0
[  429.487722]  ? print_usage_bug+0xc0/0xc0
[  429.491799]  ? zap_class+0x640/0x640
[  429.495519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.501068]  ? find_held_lock+0x36/0x1c0
[  429.505141]  ? mark_held_locks+0xc7/0x130
[  429.509292]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  429.514392]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  429.519499]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  429.524084]  ? trace_hardirqs_on+0xbd/0x310
[  429.528406]  ? kasan_check_read+0x11/0x20
[  429.532551]  ? ___ratelimit+0x3b4/0x672
[  429.536527]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.541630]  ? trace_hardirqs_on+0x310/0x310
[  429.546052]  ? lock_downgrade+0x900/0x900
[  429.550206]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  429.555308]  ? ___ratelimit+0x3b9/0x672
[  429.559287]  ? idr_get_free+0xf70/0xf70
[  429.563262]  ? find_held_lock+0x36/0x1c0
[  429.567334]  oom_kill_process.cold.27+0x10/0x903
[  429.572090]  ? zap_class+0x640/0x640
[  429.575831]  ? check_preemption_disabled+0x48/0x280
[  429.580908]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  429.585855]  ? kasan_check_read+0x11/0x20
[  429.590005]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.595314]  ? oom_evaluate_task+0x540/0x540
[  429.599729]  ? find_held_lock+0x36/0x1c0
[  429.603801]  ? out_of_memory+0x974/0x1430
[  429.607970]  ? lock_downgrade+0x900/0x900
[  429.612135]  ? check_preemption_disabled+0x48/0x280
[  429.617159]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  429.622085]  ? kasan_check_read+0x11/0x20
[  429.626236]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.631515]  ? rcu_softirq_qs+0x20/0x20
[  429.635495]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.641044]  ? oom_evaluate_task+0x302/0x540
[  429.645481]  out_of_memory+0xa84/0x1430
[  429.649467]  ? oom_killer_disable+0x3a0/0x3a0
[  429.653979]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  429.658914]  ? __ww_mutex_check_waiters+0x160/0x160
[  429.663941]  __alloc_pages_slowpath+0x2354/0x2e10
[  429.668854]  ? warn_alloc+0x120/0x120
[  429.672657]  ? mark_held_locks+0x130/0x130
[  429.676912]  ? find_get_entry+0xaae/0x1120
[  429.681161]  ? filemap_map_pages+0x1a20/0x1a20
[  429.685774]  ? zap_class+0x640/0x640
[  429.689499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.695049]  ? check_preemption_disabled+0x48/0x280
[  429.700088]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.705624]  ? should_fail+0x22d/0xd01
[  429.709532]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.714634]  ? zap_class+0x640/0x640
[  429.718380]  ? __lock_is_held+0xb5/0x140
[  429.722447]  ? mark_held_locks+0x130/0x130
[  429.726701]  ? lock_release+0xa00/0xa00
[  429.730673]  ? perf_trace_sched_process_exec+0x860/0x860
[  429.736122]  ? xa_load+0x2ba/0x460
[  429.739668]  ? lock_downgrade+0x900/0x900
[  429.743830]  ? __might_sleep+0x95/0x190
[  429.747814]  __alloc_pages_nodemask+0xa80/0xde0
[  429.752496]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  429.757517]  ? __page_cache_alloc+0x191/0x5c0
[  429.762010]  ? xa_load+0x2e1/0x460
[  429.765581]  ? xa_clear_mark+0x40/0x40
[  429.769476]  ? zap_class+0x640/0x640
[  429.773197]  ? zap_class+0x640/0x640
[  429.776939]  ? zap_class+0x640/0x640
[  429.780651]  ? __do_page_cache_readahead+0x663/0x810
[  429.785759]  ? find_held_lock+0x36/0x1c0
[  429.789825]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  429.795369]  alloc_pages_current+0x173/0x350
[  429.799815]  __page_cache_alloc+0x38c/0x5c0
[  429.804135]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  429.809070]  ? kasan_check_read+0x11/0x20
[  429.813222]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.818520]  ? generic_perform_write+0x6a0/0x6a0
[  429.823282]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.828824]  ? check_preemption_disabled+0x48/0x280
[  429.833851]  filemap_fault+0x1595/0x25f0
[  429.837927]  ? __lock_page_or_retry+0xa00/0xa00
[  429.842615]  ? mark_held_locks+0x130/0x130
[  429.846874]  ? filemap_map_pages+0xd6b/0x1a20
[  429.851369]  ? lock_downgrade+0x900/0x900
[  429.855530]  ? check_preemption_disabled+0x48/0x280
[  429.860554]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  429.865482]  ? kasan_check_read+0x11/0x20
[  429.869628]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.874902]  ? rcu_softirq_qs+0x20/0x20
[  429.878894]  ? filemap_map_pages+0xd92/0x1a20
[  429.883404]  ? find_get_entries_tag+0x1400/0x1400
[  429.888252]  ? ep_scan_ready_list+0xbc7/0x1050
[  429.892835]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.897956]  ? lock_acquire+0x1ed/0x520
[  429.901931]  ? ext4_filemap_fault+0x7a/0xad
[  429.906262]  ? lock_release+0xa00/0xa00
[  429.910237]  ? perf_trace_sched_process_exec+0x860/0x860
[  429.915690]  ? print_usage_bug+0xc0/0xc0
[  429.919756]  ? print_usage_bug+0xc0/0xc0
[  429.923862]  ? down_read+0x8d/0x120
[  429.927489]  ? ext4_filemap_fault+0x7a/0xad
[  429.931811]  ? __down_interruptible+0x700/0x700
[  429.936494]  ext4_filemap_fault+0x82/0xad
[  429.940647]  __do_fault+0x100/0x6b0
[  429.944278]  ? pmd_devmap_trans_unstable+0x220/0x220
[  429.949384]  ? mark_held_locks+0x130/0x130
[  429.953635]  ? mark_held_locks+0x130/0x130
[  429.957870]  ? kasan_check_read+0x11/0x20
[  429.962031]  ? ep_poll+0xffa/0x13d0
[  429.965671]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.970799]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.976346]  __handle_mm_fault+0x3ea0/0x5be0
[  429.980773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.986335]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  429.991186]  ? do_epoll_create+0x590/0x590
[  429.995420]  ? kasan_check_read+0x11/0x20
[  429.999587]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.004866]  ? rcu_softirq_qs+0x20/0x20
[  430.008853]  ? zap_class+0x640/0x640
[  430.012563]  ? zap_class+0x640/0x640
[  430.016288]  ? find_held_lock+0x36/0x1c0
[  430.020360]  ? handle_mm_fault+0x42a/0xc70
[  430.024605]  ? lock_downgrade+0x900/0x900
[  430.028770]  ? check_preemption_disabled+0x48/0x280
[  430.033792]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  430.038718]  ? kasan_check_read+0x11/0x20
[  430.042865]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.048157]  ? rcu_softirq_qs+0x20/0x20
[  430.052151]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.057260]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.062814]  ? check_preemption_disabled+0x48/0x280
[  430.067836]  handle_mm_fault+0x54f/0xc70
[  430.071901]  ? __handle_mm_fault+0x5be0/0x5be0
[  430.076504]  ? find_vma+0x34/0x190
[  430.080069]  __do_page_fault+0x5e8/0xe60
[  430.084161]  ? trace_hardirqs_off+0xb8/0x310
[  430.088586]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  430.094139]  do_page_fault+0xf2/0x7e0
[  430.097940]  ? vmalloc_sync_all+0x30/0x30
[  430.102106]  ? error_entry+0x70/0xd0
[  430.105821]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.110835]  ? trace_hardirqs_on_caller+0xc0/0x310
[  430.115763]  ? syscall_return_slowpath+0x5e0/0x5e0
[  430.120694]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.125537]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.130575]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  430.136064]  ? prepare_exit_to_usermode+0x291/0x3b0
[  430.141081]  ? page_fault+0x8/0x30
[  430.144626]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.149473]  ? page_fault+0x8/0x30
[  430.153025]  page_fault+0x1e/0x30
[  430.156485] RIP: 0033:0x45df89
[  430.159689] Code: Bad RIP value.
[  430.163057] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  430.168590] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  430.175856] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  430.183123] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  430.190389] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  430.197659] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  430.204953] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  430.205054] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  430.212312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  430.212318] Call Trace:
[  430.212324]  <IRQ>
[  430.212342]  dump_stack+0x244/0x39d
[  430.212364]  ? dump_stack_print_info.cold.1+0x20/0x20
[  430.218893] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  430.228194]  warn_alloc.cold.116+0xb7/0x1bd
[  430.230747] syz-fuzzer cpuset=/ mems_allowed=0
[  430.232894]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  430.265604]  ? lock_downgrade+0x900/0x900
[  430.269787]  ? trace_hardirqs_off+0xb8/0x310
[  430.274242]  ? trace_hardirqs_off+0xb8/0x310
[  430.278672]  __alloc_pages_slowpath+0x26e8/0x2e10
[  430.283564]  ? warn_alloc+0x120/0x120
[  430.287368]  ? print_usage_bug+0xc0/0xc0
[  430.291430]  ? warn_alloc+0x120/0x120
[  430.295237]  ? warn_alloc+0x120/0x120
[  430.299051]  ? print_usage_bug+0xc0/0xc0
[  430.303124]  ? print_usage_bug+0xc0/0xc0
[  430.307190]  ? __lock_acquire+0x62f/0x4c20
[  430.311433]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.316972]  ? should_fail+0x22d/0xd01
[  430.320914]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.326024]  ? __lock_acquire+0x62f/0x4c20
[  430.330266]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.335368]  ? __lock_acquire+0x62f/0x4c20
[  430.339601]  ? should_fail+0x22d/0xd01
[  430.343489]  ? find_held_lock+0x36/0x1c0
[  430.347590]  ? mark_held_locks+0x130/0x130
[  430.351864]  ? mark_held_locks+0x130/0x130
[  430.356098]  ? zap_class+0x640/0x640
[  430.359813]  ? zap_class+0x640/0x640
[  430.363578]  ? print_usage_bug+0xc0/0xc0
[  430.367634]  ? do_raw_spin_unlock+0xa7/0x330
[  430.372062]  ? zap_class+0x640/0x640
[  430.375788]  ? print_usage_bug+0xc0/0xc0
[  430.379850]  ? wq_watchdog_touch+0x9c/0xfe
[  430.384092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.389632]  ? check_preemption_disabled+0x48/0x280
[  430.394664]  ? __lock_is_held+0xb5/0x140
[  430.398732]  __alloc_pages_nodemask+0xa80/0xde0
[  430.403403]  ? zap_class+0x640/0x640
[  430.407145]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  430.412188]  ? find_held_lock+0x36/0x1c0
[  430.416266]  ? ____cache_alloc_node+0x1c7/0x1e0
[  430.420936]  ? lock_downgrade+0x900/0x900
[  430.425107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.430653]  cache_grow_begin+0xa5/0x8c0
[  430.434712]  ? do_raw_spin_unlock+0xa7/0x330
[  430.439135]  fallback_alloc+0x204/0x2e0
[  430.443128]  ____cache_alloc_node+0x1c7/0x1e0
[  430.447633]  kmem_cache_alloc_node+0xe3/0x730
[  430.452131]  ? ipv6_get_ifaddr+0x42e/0x620
[  430.456378]  __alloc_skb+0x119/0x770
[  430.460092]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.465378]  ? netdev_alloc_frag+0x1f0/0x1f0
[  430.469799]  ? lock_downgrade+0x900/0x900
[  430.473953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.479494]  ? refcount_sub_and_test_checked+0x203/0x310
[  430.484955]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  430.490406]  ? addrconf_rs_timer+0x690/0x690
[  430.494842]  ndisc_alloc_skb+0x144/0x340
[  430.498913]  ndisc_send_rs+0x331/0x6e0
[  430.502810]  addrconf_rs_timer+0x314/0x690
[  430.507066]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.511311]  call_timer_fn+0x272/0x920
[  430.515215]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.519485]  ? process_timeout+0x40/0x40
[  430.523562]  ? __run_timers+0x7da/0xc70
[  430.527547]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.532045]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.536546]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.540785]  ? lockdep_hardirqs_on+0x296/0x5b0
[  430.545369]  ? trace_hardirqs_on+0xbd/0x310
[  430.549690]  ? kasan_check_read+0x11/0x20
[  430.553839]  ? __run_timers+0x7da/0xc70
[  430.557815]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.562928]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.567187]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.571420]  __run_timers+0x7e5/0xc70
[  430.575230]  ? timer_fixup_init+0x70/0x70
[  430.579382]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  430.584395]  ? zap_class+0x640/0x640
[  430.588108]  ? enqueue_hrtimer+0x1a5/0x560
[  430.592395]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  430.597620]  ? find_held_lock+0x36/0x1c0
[  430.601702]  ? zap_class+0x640/0x640
[  430.605426]  ? pvclock_read_flags+0x160/0x160
[  430.609926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.615649]  ? check_preemption_disabled+0x48/0x280
[  430.620680]  ? __lock_is_held+0xb5/0x140
[  430.624745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.630301]  ? check_preemption_disabled+0x48/0x280
[  430.635530]  run_timer_softirq+0x52/0xb0
[  430.639600]  ? rcu_read_lock_sched_held+0x14f/0x180
[  430.644620]  __do_softirq+0x308/0xb7e
[  430.648446]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  430.652962]  ? lock_downgrade+0x900/0x900
[  430.657119]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  430.662231]  ? pvclock_read_flags+0x160/0x160
[  430.666732]  ? lapic_next_event+0x5a/0x90
[  430.670884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.676430]  ? kvm_clock_read+0x18/0x30
[  430.680407]  ? kvm_sched_clock_read+0x9/0x20
[  430.684820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.690378]  ? check_preemption_disabled+0x48/0x280
[  430.695403]  irq_exit+0x17f/0x1c0
[  430.698861]  smp_apic_timer_interrupt+0x1cb/0x760
[  430.703711]  ? smp_reschedule_interrupt+0x109/0x650
[  430.708727]  ? smp_call_function_single_interrupt+0x650/0x650
[  430.714619]  ? interrupt_entry+0xb5/0xc0
[  430.718682]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.723714]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.728747]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.733614]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.738628]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.744170]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.749033]  apic_timer_interrupt+0xf/0x20
[  430.753276]  </IRQ>
[  430.755515] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  430.760451] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  430.779350] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  430.787074] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  430.794341] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  430.801636] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  430.808901] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  430.816169] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  430.823474]  skb_clone+0x1bb/0x500
[  430.827026]  ? finish_task_switch+0x2f4/0x910
[  430.831529]  ? skb_split+0x11e0/0x11e0
[  430.835440]  ? preempt_notifier_register+0x200/0x200
[  430.840563]  ? __switch_to_asm+0x34/0x70
[  430.844623]  ? __switch_to_asm+0x34/0x70
[  430.848683]  ? __switch_to_asm+0x40/0x70
[  430.852742]  ? __switch_to_asm+0x34/0x70
[  430.856800]  ? __switch_to_asm+0x40/0x70
[  430.860858]  ? __switch_to_asm+0x34/0x70
[  430.864919]  ? __switch_to_asm+0x40/0x70
[  430.868998]  ? __switch_to_asm+0x34/0x70
[  430.873075]  ? __switch_to_asm+0x34/0x70
[  430.877134]  ? __switch_to_asm+0x40/0x70
[  430.881209]  ? __switch_to_asm+0x34/0x70
[  430.885289]  bpf_clone_redirect+0xb9/0x490
[  430.889523]  ? __schedule+0x8d7/0x21d0
[  430.893467]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  430.898531]  ? __sched_text_start+0x8/0x8
[  430.902691]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  430.907273]  ? retint_kernel+0x2d/0x2d
[  430.911168]  ? trace_hardirqs_on_caller+0xc0/0x310
[  430.916101]  ? find_held_lock+0x36/0x1c0
[  430.920170]  ? lock_acquire+0x1ed/0x520
[  430.924162]  ? bpf_test_run+0x3cb/0x780
[  430.928151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.933690]  ? check_preemption_disabled+0x48/0x280
[  430.938712]  ? kasan_check_read+0x11/0x20
[  430.942860]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.948137]  ? rcu_softirq_qs+0x20/0x20
[  430.952115]  ? preempt_schedule+0x4d/0x60
[  430.956267]  ? ___preempt_schedule+0x16/0x18
[  430.960686]  ? bpf_test_run+0x25d/0x780
[  430.964676]  ? netlink_diag_dump+0x2a0/0x2a0
[  430.969091]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.974628]  ? bpf_test_init.isra.10+0x70/0x100
[  430.979303]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  430.984089]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  430.988931]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  430.994473]  ? fput+0x130/0x1a0
[  430.997754]  ? __bpf_prog_get+0x9b/0x290
[  431.001824]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  431.006665]  ? bpf_prog_test_run+0x130/0x1a0
[  431.011078]  ? __x64_sys_bpf+0x3d8/0x520
[  431.015139]  ? bpf_prog_get+0x20/0x20
[  431.018964]  ? do_syscall_64+0x1b9/0x820
[  431.023046]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  431.028418]  ? syscall_return_slowpath+0x5e0/0x5e0
[  431.033351]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.038196]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.043229]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  431.048247]  ? prepare_exit_to_usermode+0x291/0x3b0
[  431.053269]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.058118]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  431.063613] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  431.063619] warn_alloc_show_mem: 1 callbacks suppressed
[  431.063626] Mem-Info:
[  431.070636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  431.076005] active_anon:51179 inactive_anon:236 isolated_anon:0
[  431.076005]  active_file:17 inactive_file:9 isolated_file:0
[  431.076005]  unevictable:0 dirty:0 writeback:0 unstable:0
[  431.076005]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  431.076005]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  431.076005]  free:13694 free_pcp:258 free_cma:0
[  431.078378] Call Trace:
[  431.087772] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  431.120541]  <IRQ>
[  431.120561]  dump_stack+0x244/0x39d
[  431.123121] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  431.150613]  ? dump_stack_print_info.cold.1+0x20/0x20
[  431.152737] lowmem_reserve[]: 0 2818 6321 6321
[  431.156366]  warn_alloc.cold.116+0xb7/0x1bd
[  431.182443] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  431.187627]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  431.192184] lowmem_reserve[]: 0 0 3503 3503
[  431.196505]  ? lock_downgrade+0x900/0x900
[  431.223629] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  431.228482]  ? trace_hardirqs_off+0xb8/0x310
[  431.232806] lowmem_reserve[]: 0 0 0 0
[  431.236949]  ? trace_hardirqs_off+0xb8/0x310
[  431.265999] 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
[  431.270428]  __alloc_pages_slowpath+0x26e8/0x2e10
[  431.274199] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  431.278624]  ? warn_alloc+0x120/0x120
[  431.292100] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  431.296939]  ? print_usage_bug+0xc0/0xc0
[  431.312092] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  431.315892]  ? warn_alloc+0x120/0x120
[  431.330105] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  431.334152]  ? warn_alloc+0x120/0x120
[  431.342963] 309 total pagecache pages
[  431.346760]  ? print_usage_bug+0xc0/0xc0
[  431.355325] 0 pages in swap cache
[  431.359115]  ? print_usage_bug+0xc0/0xc0
[  431.362893] Swap cache stats: add 0, delete 0, find 0/0
[  431.366949]  ? __lock_acquire+0x62f/0x4c20
[  431.370377] Free swap  = 0kB
[  431.374437]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.379777] Total swap = 0kB
[  431.384027]  ? should_fail+0x22d/0xd01
[  431.387027] 1965979 pages RAM
[  431.392615]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.395650] 0 pages HighMem/MovableOnly
[  431.399529]  ? __lock_acquire+0x62f/0x4c20
[  431.402626] 342853 pages reserved
[  431.407738]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.411689] 0 pages cma reserved
[  431.415945]  ? __lock_acquire+0x62f/0x4c20
[  431.419445] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  431.424468]  ? should_fail+0x22d/0xd01
[  431.424482]  ? find_held_lock+0x36/0x1c0
[  431.424522]  ? mark_held_locks+0x130/0x130
[  431.428429] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  431.432111]  ? mark_held_locks+0x130/0x130
[  431.432129]  ? zap_class+0x640/0x640
[  431.438734] syz-executor2 cpuset=syz2 mems_allowed=0
[  431.442618]  ? zap_class+0x640/0x640
[  431.442636]  ? print_usage_bug+0xc0/0xc0
[  431.482243]  ? do_raw_spin_unlock+0xa7/0x330
[  431.486664]  ? zap_class+0x640/0x640
[  431.490383]  ? print_usage_bug+0xc0/0xc0
[  431.494443]  ? wq_watchdog_touch+0x9c/0xfe
[  431.498684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.504230]  ? check_preemption_disabled+0x48/0x280
[  431.509257]  ? __lock_is_held+0xb5/0x140
[  431.513339]  __alloc_pages_nodemask+0xa80/0xde0
[  431.518009]  ? zap_class+0x640/0x640
[  431.521742]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  431.526775]  ? find_held_lock+0x36/0x1c0
[  431.530849]  ? ____cache_alloc_node+0x1c7/0x1e0
[  431.535537]  ? lock_downgrade+0x900/0x900
[  431.539713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.545267]  cache_grow_begin+0xa5/0x8c0
[  431.549336]  ? do_raw_spin_unlock+0xa7/0x330
[  431.553757]  fallback_alloc+0x204/0x2e0
[  431.557741]  ____cache_alloc_node+0x1c7/0x1e0
[  431.562245]  kmem_cache_alloc_node+0xe3/0x730
[  431.566746]  ? ipv6_get_ifaddr+0x42e/0x620
[  431.571007]  __alloc_skb+0x119/0x770
[  431.574739]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.580046]  ? netdev_alloc_frag+0x1f0/0x1f0
[  431.584459]  ? lock_downgrade+0x900/0x900
[  431.588613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.594152]  ? refcount_sub_and_test_checked+0x203/0x310
[  431.599625]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  431.605076]  ? addrconf_rs_timer+0x690/0x690
[  431.609497]  ndisc_alloc_skb+0x144/0x340
[  431.613567]  ndisc_send_rs+0x331/0x6e0
[  431.617466]  addrconf_rs_timer+0x314/0x690
[  431.621718]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  431.625963]  call_timer_fn+0x272/0x920
[  431.629868]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  431.634111]  ? process_timeout+0x40/0x40
[  431.638196]  ? mark_held_locks+0xc7/0x130
[  431.642388]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.646883]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.651393]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  431.655644]  ? lockdep_hardirqs_on+0x296/0x5b0
[  431.660227]  ? trace_hardirqs_on+0xbd/0x310
[  431.664552]  ? kasan_check_read+0x11/0x20
[  431.668704]  ? __run_timers+0x7da/0xc70
[  431.672680]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.677800]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  431.682090]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  431.686327]  __run_timers+0x7e5/0xc70
[  431.690139]  ? timer_fixup_init+0x70/0x70
[  431.694292]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  431.699325]  ? zap_class+0x640/0x640
[  431.703078]  ? print_usage_bug+0xc0/0xc0
[  431.707147]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  431.712344]  ? find_held_lock+0x36/0x1c0
[  431.716412]  ? zap_class+0x640/0x640
[  431.720162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.725734]  ? check_preemption_disabled+0x48/0x280
[  431.730762]  ? __lock_is_held+0xb5/0x140
[  431.734825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.740367]  ? check_preemption_disabled+0x48/0x280
[  431.745395]  run_timer_softirq+0x52/0xb0
[  431.749459]  ? rcu_read_lock_sched_held+0x14f/0x180
[  431.754493]  __do_softirq+0x308/0xb7e
[  431.758298]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  431.762792]  ? lock_downgrade+0x900/0x900
[  431.766948]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  431.772067]  ? pvclock_read_flags+0x160/0x160
[  431.776564]  ? lapic_next_event+0x5a/0x90
[  431.780717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.786262]  ? kvm_clock_read+0x18/0x30
[  431.790237]  ? kvm_sched_clock_read+0x9/0x20
[  431.794650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.800186]  ? check_preemption_disabled+0x48/0x280
[  431.805217]  irq_exit+0x17f/0x1c0
[  431.808674]  smp_apic_timer_interrupt+0x1cb/0x760
[  431.813515]  ? smp_reschedule_interrupt+0x109/0x650
[  431.818533]  ? smp_call_function_single_interrupt+0x650/0x650
[  431.824420]  ? interrupt_entry+0xb5/0xc0
[  431.828483]  ? trace_hardirqs_off_caller+0xbb/0x310
[  431.833531]  ? trace_hardirqs_off_caller+0xbb/0x310
[  431.838549]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.843398]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.848417]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.853434]  ? task_prio+0x50/0x50
[  431.856981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.862569]  ? check_preemption_disabled+0x48/0x280
[  431.867627]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.872479]  apic_timer_interrupt+0xf/0x20
[  431.876706]  </IRQ>
[  431.878947] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  431.884139] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  431.903053] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  431.910789] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  431.918059] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  431.925327] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  431.932593] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  431.939877] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  431.947175]  retint_kernel+0x1b/0x2d
[  431.950891] RIP: 0010:dump_stack+0x358/0x39d
[  431.955297] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  431.974195] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  431.981932] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  431.989213] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  431.996482] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  432.003751] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  432.011027] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  432.018320]  ? dump_stack+0x34f/0x39d
[  432.022133]  ? dump_stack_print_info.cold.1+0x20/0x20
[  432.027327]  ? mark_held_locks+0x130/0x130
[  432.031562]  ? mark_held_locks+0x130/0x130
[  432.035818]  dump_header+0x27b/0xf72
[  432.039558]  ? pagefault_out_of_memory+0x197/0x197
[  432.044536]  ? __lock_acquire+0x62f/0x4c20
[  432.048773]  ? percpu_ref_get_many+0x240/0x240
[  432.053372]  ? print_usage_bug+0xc0/0xc0
[  432.057442]  ? zap_class+0x640/0x640
[  432.061161]  ? print_usage_bug+0xc0/0xc0
[  432.065224]  ? print_usage_bug+0xc0/0xc0
[  432.069285]  ? zap_class+0x640/0x640
[  432.073000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.078597]  ? find_held_lock+0x36/0x1c0
[  432.082673]  ? mark_held_locks+0xc7/0x130
[  432.086821]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  432.091924]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  432.097040]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  432.101623]  ? trace_hardirqs_on+0xbd/0x310
[  432.105942]  ? kasan_check_read+0x11/0x20
[  432.110088]  ? ___ratelimit+0x3b4/0x672
[  432.114067]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.119187]  ? trace_hardirqs_on+0x310/0x310
[  432.123601]  ? lock_downgrade+0x900/0x900
[  432.127759]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  432.132892]  ? ___ratelimit+0x3b9/0x672
[  432.136880]  ? idr_get_free+0xf70/0xf70
[  432.140871]  ? find_held_lock+0x36/0x1c0
[  432.144945]  oom_kill_process.cold.27+0x10/0x903
[  432.149704]  ? zap_class+0x640/0x640
[  432.153435]  ? check_preemption_disabled+0x48/0x280
[  432.158562]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  432.163503]  ? kasan_check_read+0x11/0x20
[  432.167681]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.173145]  ? oom_evaluate_task+0x540/0x540
[  432.177556]  ? find_held_lock+0x36/0x1c0
[  432.181627]  ? out_of_memory+0x974/0x1430
[  432.185776]  ? lock_downgrade+0x900/0x900
[  432.189924]  ? check_preemption_disabled+0x48/0x280
[  432.194947]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  432.199877]  ? kasan_check_read+0x11/0x20
[  432.204032]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.209314]  ? rcu_softirq_qs+0x20/0x20
[  432.213299]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.218832]  ? oom_evaluate_task+0x302/0x540
[  432.223248]  out_of_memory+0xa84/0x1430
[  432.227232]  ? oom_killer_disable+0x3a0/0x3a0
[  432.231727]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  432.236663]  ? __ww_mutex_check_waiters+0x160/0x160
[  432.241691]  __alloc_pages_slowpath+0x2354/0x2e10
[  432.246564]  ? warn_alloc+0x120/0x120
[  432.250367]  ? mark_held_locks+0x130/0x130
[  432.254612]  ? find_get_entry+0xaae/0x1120
[  432.258857]  ? filemap_map_pages+0x1a20/0x1a20
[  432.263444]  ? zap_class+0x640/0x640
[  432.267165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.272705]  ? check_preemption_disabled+0x48/0x280
[  432.277721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.283258]  ? should_fail+0x22d/0xd01
[  432.287155]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  432.292261]  ? zap_class+0x640/0x640
[  432.296000]  ? __lock_is_held+0xb5/0x140
[  432.300082]  ? mark_held_locks+0x130/0x130
[  432.304321]  ? lock_release+0xa00/0xa00
[  432.308298]  ? perf_trace_sched_process_exec+0x860/0x860
[  432.313751]  ? xa_load+0x2ba/0x460
[  432.317312]  ? lock_downgrade+0x900/0x900
[  432.321468]  ? __might_sleep+0x95/0x190
[  432.325448]  __alloc_pages_nodemask+0xa80/0xde0
[  432.330126]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  432.335143]  ? __page_cache_alloc+0x191/0x5c0
[  432.339650]  ? xa_load+0x2e1/0x460
[  432.343194]  ? xa_clear_mark+0x40/0x40
[  432.347083]  ? zap_class+0x640/0x640
[  432.350809]  ? zap_class+0x640/0x640
[  432.354549]  ? zap_class+0x640/0x640
[  432.358263]  ? __do_page_cache_readahead+0x663/0x810
[  432.363376]  ? find_held_lock+0x36/0x1c0
[  432.367470]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  432.373043]  alloc_pages_current+0x173/0x350
[  432.377465]  __page_cache_alloc+0x38c/0x5c0
[  432.381784]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  432.386714]  ? kasan_check_read+0x11/0x20
[  432.390857]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.396169]  ? generic_perform_write+0x6a0/0x6a0
[  432.400926]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.406466]  ? check_preemption_disabled+0x48/0x280
[  432.411489]  filemap_fault+0x1595/0x25f0
[  432.415567]  ? __lock_page_or_retry+0xa00/0xa00
[  432.420242]  ? mark_held_locks+0x130/0x130
[  432.424484]  ? filemap_map_pages+0xd6b/0x1a20
[  432.428979]  ? lock_downgrade+0x900/0x900
[  432.433141]  ? check_preemption_disabled+0x48/0x280
[  432.438162]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  432.443102]  ? kasan_check_read+0x11/0x20
[  432.447247]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.452522]  ? rcu_softirq_qs+0x20/0x20
[  432.456513]  ? filemap_map_pages+0xd92/0x1a20
[  432.461053]  ? find_get_entries_tag+0x1400/0x1400
[  432.465898]  ? ep_scan_ready_list+0xbc7/0x1050
[  432.470741]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.475877]  ? lock_acquire+0x1ed/0x520
[  432.479853]  ? ext4_filemap_fault+0x7a/0xad
[  432.484181]  ? lock_release+0xa00/0xa00
[  432.488153]  ? perf_trace_sched_process_exec+0x860/0x860
[  432.493607]  ? print_usage_bug+0xc0/0xc0
[  432.497684]  ? print_usage_bug+0xc0/0xc0
[  432.501754]  ? down_read+0x8d/0x120
[  432.505383]  ? ext4_filemap_fault+0x7a/0xad
[  432.509705]  ? __down_interruptible+0x700/0x700
[  432.514384]  ext4_filemap_fault+0x82/0xad
[  432.518534]  __do_fault+0x100/0x6b0
[  432.522172]  ? pmd_devmap_trans_unstable+0x220/0x220
[  432.527280]  ? mark_held_locks+0x130/0x130
[  432.531516]  ? mark_held_locks+0x130/0x130
[  432.535752]  ? kasan_check_read+0x11/0x20
[  432.539899]  ? ep_poll+0xffa/0x13d0
[  432.543532]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.548641]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.554188]  __handle_mm_fault+0x3ea0/0x5be0
[  432.558601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.564145]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  432.569022]  ? do_epoll_create+0x590/0x590
[  432.573315]  ? kasan_check_read+0x11/0x20
[  432.577459]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.582748]  ? rcu_softirq_qs+0x20/0x20
[  432.586746]  ? zap_class+0x640/0x640
[  432.590458]  ? zap_class+0x640/0x640
[  432.594179]  ? find_held_lock+0x36/0x1c0
[  432.598256]  ? handle_mm_fault+0x42a/0xc70
[  432.602491]  ? lock_downgrade+0x900/0x900
[  432.606639]  ? check_preemption_disabled+0x48/0x280
[  432.612150]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  432.617079]  ? kasan_check_read+0x11/0x20
[  432.621227]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.626508]  ? rcu_softirq_qs+0x20/0x20
[  432.630484]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.635590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.641137]  ? check_preemption_disabled+0x48/0x280
[  432.646173]  handle_mm_fault+0x54f/0xc70
[  432.650268]  ? __handle_mm_fault+0x5be0/0x5be0
[  432.654883]  ? find_vma+0x34/0x190
[  432.658427]  __do_page_fault+0x5e8/0xe60
[  432.662499]  ? trace_hardirqs_off+0xb8/0x310
[  432.666925]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  432.672472]  do_page_fault+0xf2/0x7e0
[  432.676276]  ? vmalloc_sync_all+0x30/0x30
[  432.680427]  ? error_entry+0x70/0xd0
[  432.684145]  ? trace_hardirqs_off_caller+0xbb/0x310
[  432.689165]  ? trace_hardirqs_on_caller+0xc0/0x310
[  432.694103]  ? syscall_return_slowpath+0x5e0/0x5e0
[  432.699043]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.703887]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.708902]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  432.714375]  ? prepare_exit_to_usermode+0x291/0x3b0
[  432.719418]  ? page_fault+0x8/0x30
[  432.722959]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.727810]  ? page_fault+0x8/0x30
[  432.731351]  page_fault+0x1e/0x30
[  432.734799] RIP: 0033:0x45df89
[  432.738043] Code: Bad RIP value.
[  432.741420] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  432.746910] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  432.754177] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  432.761444] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  432.768732] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  432.776001] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  432.783309] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  432.783375] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  432.790670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  432.790679] Call Trace:
[  432.797249] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  432.806500]  <IRQ>
[  432.809087] syz-fuzzer cpuset=/ mems_allowed=0
[  432.819308]  dump_stack+0x244/0x39d
[  432.829629]  ? dump_stack_print_info.cold.1+0x20/0x20
[  432.834833]  warn_alloc.cold.116+0xb7/0x1bd
[  432.839161]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  432.844006]  ? lock_downgrade+0x900/0x900
[  432.848172]  ? trace_hardirqs_off+0xb8/0x310
[  432.852588]  ? trace_hardirqs_off+0xb8/0x310
[  432.857029]  __alloc_pages_slowpath+0x26e8/0x2e10
[  432.861902]  ? warn_alloc+0x120/0x120
[  432.865709]  ? warn_alloc+0x120/0x120
[  432.869516]  ? warn_alloc+0x120/0x120
[  432.873325]  ? print_usage_bug+0xc0/0xc0
[  432.877392]  ? print_usage_bug+0xc0/0xc0
[  432.881458]  ? trace_hardirqs_off+0xb8/0x310
[  432.885886]  ? kasan_check_read+0x11/0x20
[  432.890036]  ? do_raw_spin_unlock+0xa7/0x330
[  432.894478]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.900023]  ? should_fail+0x22d/0xd01
[  432.903919]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  432.909032]  ? __lock_acquire+0x62f/0x4c20
[  432.913275]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  432.918383]  ? should_fail+0x22d/0xd01
[  432.922284]  ? mark_held_locks+0x130/0x130
[  432.926541]  ? mark_held_locks+0x130/0x130
[  432.930781]  ? print_usage_bug+0xc0/0xc0
[  432.934848]  ? find_held_lock+0x36/0x1c0
[  432.938915]  ? zap_class+0x640/0x640
[  432.942637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.948178]  ? check_preemption_disabled+0x48/0x280
[  432.953205]  ? __lock_is_held+0xb5/0x140
[  432.957276]  __alloc_pages_nodemask+0xa80/0xde0
[  432.961945]  ? zap_class+0x640/0x640
[  432.965670]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  432.970723]  ? find_held_lock+0x36/0x1c0
[  432.974800]  ? ____cache_alloc_node+0x1c7/0x1e0
[  432.979490]  ? lock_downgrade+0x900/0x900
[  432.983664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.989209]  cache_grow_begin+0xa5/0x8c0
[  432.993276]  ? do_raw_spin_unlock+0xa7/0x330
[  432.997693]  fallback_alloc+0x204/0x2e0
[  433.001675]  ____cache_alloc_node+0x1c7/0x1e0
[  433.006183]  kmem_cache_alloc_node+0xe3/0x730
[  433.010677]  ? mark_held_locks+0xc7/0x130
[  433.014851]  __alloc_skb+0x119/0x770
[  433.018610]  ? netdev_alloc_frag+0x1f0/0x1f0
[  433.023049]  ? do_raw_spin_trylock+0x270/0x270
[  433.027661]  ? kmem_cache_alloc_trace+0x353/0x750
[  433.032509]  ? queue_work_on+0x12c/0x1e0
[  433.036579]  ? switchdev_port_obj_del+0xdc/0x440
[  433.041339]  ? switchdev_trans_item_enqueue+0x260/0x260
[  433.046706]  ? mod_timer+0x631/0x1560
[  433.050506]  ? wake_up_klogd+0x180/0x180
[  433.054586]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  433.059618]  __br_mdb_notify+0x4ff/0x15d0
[  433.063792]  ? __br_mdb_add+0x7f0/0x7f0
[  433.067778]  ? zap_class+0x640/0x640
[  433.071505]  ? br_multicast_group_expired+0x96/0x610
[  433.076625]  br_mdb_notify+0x310/0x410
[  433.080516]  ? br_mdb_dump+0x27b0/0x27b0
[  433.084592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.090142]  br_multicast_group_expired+0x1bc/0x610
[  433.095168]  ? br_mdb_free+0x80/0x80
[  433.098939]  call_timer_fn+0x272/0x920
[  433.102832]  ? br_mdb_free+0x80/0x80
[  433.106559]  ? process_timeout+0x40/0x40
[  433.110648]  ? __run_timers+0x7da/0xc70
[  433.114629]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.119124]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.123620]  ? br_mdb_free+0x80/0x80
[  433.127337]  ? lockdep_hardirqs_on+0x296/0x5b0
[  433.131938]  ? trace_hardirqs_on+0xbd/0x310
[  433.136259]  ? kasan_check_read+0x11/0x20
[  433.140408]  ? __run_timers+0x7da/0xc70
[  433.144388]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.149501]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.153745]  ? br_mdb_free+0x80/0x80
[  433.157470]  __run_timers+0x7e5/0xc70
[  433.161283]  ? timer_fixup_init+0x70/0x70
[  433.165437]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  433.170455]  ? zap_class+0x640/0x640
[  433.174178]  ? enqueue_hrtimer+0x1a5/0x560
[  433.178444]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  433.183661]  ? find_held_lock+0x36/0x1c0
[  433.187727]  ? zap_class+0x640/0x640
[  433.191449]  ? pvclock_read_flags+0x160/0x160
[  433.195955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.201510]  ? check_preemption_disabled+0x48/0x280
[  433.206550]  ? __lock_is_held+0xb5/0x140
[  433.210628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.216212]  ? check_preemption_disabled+0x48/0x280
[  433.221233]  run_timer_softirq+0x52/0xb0
[  433.225299]  ? rcu_read_lock_sched_held+0x14f/0x180
[  433.230321]  __do_softirq+0x308/0xb7e
[  433.234127]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  433.238619]  ? lock_downgrade+0x900/0x900
[  433.242773]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  433.247901]  ? pvclock_read_flags+0x160/0x160
[  433.252421]  ? lapic_next_event+0x5a/0x90
[  433.256587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.262131]  ? kvm_clock_read+0x18/0x30
[  433.266105]  ? kvm_sched_clock_read+0x9/0x20
[  433.270514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.276067]  ? check_preemption_disabled+0x48/0x280
[  433.281099]  irq_exit+0x17f/0x1c0
[  433.284561]  smp_apic_timer_interrupt+0x1cb/0x760
[  433.289404]  ? smp_reschedule_interrupt+0x109/0x650
[  433.294427]  ? smp_call_function_single_interrupt+0x650/0x650
[  433.300324]  ? interrupt_entry+0xb5/0xc0
[  433.304387]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.309401]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.314418]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.319261]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.324276]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.329317]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.334171]  apic_timer_interrupt+0xf/0x20
[  433.338401]  </IRQ>
[  433.340655] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  433.345587] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  433.364484] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  433.372203] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  433.379473] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  433.386745] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  433.394011] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  433.401292] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  433.408601]  skb_clone+0x1bb/0x500
[  433.412145]  ? finish_task_switch+0x2f4/0x910
[  433.416639]  ? skb_split+0x11e0/0x11e0
[  433.420533]  ? preempt_notifier_register+0x200/0x200
[  433.425651]  ? __switch_to_asm+0x34/0x70
[  433.429725]  ? __switch_to_asm+0x34/0x70
[  433.433782]  ? __switch_to_asm+0x40/0x70
[  433.437841]  ? __switch_to_asm+0x34/0x70
[  433.441898]  ? __switch_to_asm+0x40/0x70
[  433.445984]  ? __switch_to_asm+0x34/0x70
[  433.450049]  ? __switch_to_asm+0x40/0x70
[  433.454123]  ? __switch_to_asm+0x34/0x70
[  433.458186]  ? __switch_to_asm+0x34/0x70
[  433.462245]  ? __switch_to_asm+0x40/0x70
[  433.466309]  ? __switch_to_asm+0x34/0x70
[  433.470382]  bpf_clone_redirect+0xb9/0x490
[  433.474618]  ? __schedule+0x8d7/0x21d0
[  433.478511]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  433.483544]  ? __sched_text_start+0x8/0x8
[  433.487696]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  433.492276]  ? retint_kernel+0x2d/0x2d
[  433.496165]  ? trace_hardirqs_on_caller+0xc0/0x310
[  433.501100]  ? find_held_lock+0x36/0x1c0
[  433.505171]  ? lock_acquire+0x1ed/0x520
[  433.509149]  ? bpf_test_run+0x3cb/0x780
[  433.513126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.518681]  ? check_preemption_disabled+0x48/0x280
[  433.523705]  ? kasan_check_read+0x11/0x20
[  433.527857]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.533135]  ? rcu_softirq_qs+0x20/0x20
[  433.537114]  ? preempt_schedule+0x4d/0x60
[  433.541281]  ? ___preempt_schedule+0x16/0x18
[  433.546060]  ? bpf_test_run+0x25d/0x780
[  433.550051]  ? netlink_diag_dump+0x2a0/0x2a0
[  433.554468]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.560095]  ? bpf_test_init.isra.10+0x70/0x100
[  433.564770]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  433.569545]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  433.574393]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  433.579930]  ? fput+0x130/0x1a0
[  433.583211]  ? __bpf_prog_get+0x9b/0x290
[  433.587277]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  433.592119]  ? bpf_prog_test_run+0x130/0x1a0
[  433.596530]  ? __x64_sys_bpf+0x3d8/0x520
[  433.600597]  ? bpf_prog_get+0x20/0x20
[  433.604423]  ? do_syscall_64+0x1b9/0x820
[  433.608483]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  433.613863]  ? syscall_return_slowpath+0x5e0/0x5e0
[  433.618804]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.623653]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.628669]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  433.633709]  ? prepare_exit_to_usermode+0x291/0x3b0
[  433.638734]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.643587]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  433.648984] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  433.648997] warn_alloc_show_mem: 1 callbacks suppressed
[  433.649002] Mem-Info:
[  433.656071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  433.661451] active_anon:51179 inactive_anon:236 isolated_anon:0
[  433.661451]  active_file:17 inactive_file:9 isolated_file:0
[  433.661451]  unevictable:0 dirty:0 writeback:0 unstable:0
[  433.661451]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  433.661451]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  433.661451]  free:13694 free_pcp:258 free_cma:0
[  433.663823] Call Trace:
[  433.673221] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  433.705978]  <IRQ>
[  433.708555] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  433.736060]  dump_stack+0x244/0x39d
[  433.738187] lowmem_reserve[]: 0 2818 6321 6321
[  433.764296]  ? dump_stack_print_info.cold.1+0x20/0x20
[  433.767903] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  433.772489]  warn_alloc.cold.116+0xb7/0x1bd
[  433.777648] lowmem_reserve[]: 0 0 3503 3503
[  433.804793]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  433.809088] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  433.813404]  ? lock_downgrade+0x900/0x900
[  433.818220] lowmem_reserve[]: 0 0 0 0
[  433.847195]  ? trace_hardirqs_off+0xb8/0x310
[  433.851317] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  433.855113]  ? trace_hardirqs_off+0xb8/0x310
[  433.859496] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  433.873024]  __alloc_pages_slowpath+0x26e8/0x2e10
[  433.877405] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  433.892609]  ? warn_alloc+0x120/0x120
[  433.897412] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  433.911627]  ? print_usage_bug+0xc0/0xc0
[  433.915409] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  433.924247]  ? warn_alloc+0x120/0x120
[  433.928284] 309 total pagecache pages
[  433.936852]  ? warn_alloc+0x120/0x120
[  433.940631] 0 pages in swap cache
[  433.944420]  ? print_usage_bug+0xc0/0xc0
[  433.948202] Swap cache stats: add 0, delete 0, find 0/0
[  433.951644]  ? kvm_clock_read+0x18/0x30
[  433.955680] Free swap  = 0kB
[  433.961067]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  433.965035] Total swap = 0kB
[  433.968059]  ? print_usage_bug+0xc0/0xc0
[  433.973084] 1965979 pages RAM
[  433.976101]  ? __lock_acquire+0x62f/0x4c20
[  433.980137] 0 pages HighMem/MovableOnly
[  433.983239]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.987447] 342853 pages reserved
[  433.991413]  ? should_fail+0x22d/0xd01
[  433.996924] 0 pages cma reserved
[  434.000371]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.004889] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  434.007609]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.012863] syz-executor2 cpuset=syz2 mems_allowed=0
[  434.023343]  ? __lock_acquire+0x62f/0x4c20
[  434.037757]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.042857]  ? __lock_acquire+0x62f/0x4c20
[  434.047101]  ? should_fail+0x22d/0xd01
[  434.050987]  ? rcu_irq_exit+0x1a2/0x390
[  434.054978]  ? mark_held_locks+0x130/0x130
[  434.059221]  ? mark_held_locks+0x130/0x130
[  434.063476]  ? mark_held_locks+0xc7/0x130
[  434.067628]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  434.072643]  ? zap_class+0x640/0x640
[  434.076368]  ? print_usage_bug+0xc0/0xc0
[  434.080432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.085973]  ? check_preemption_disabled+0x48/0x280
[  434.091001]  ? __lock_is_held+0xb5/0x140
[  434.095107]  __alloc_pages_nodemask+0xa80/0xde0
[  434.099806]  ? zap_class+0x640/0x640
[  434.103529]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  434.108559]  ? find_held_lock+0x36/0x1c0
[  434.112663]  ? ____cache_alloc_node+0x1c7/0x1e0
[  434.117336]  ? lock_downgrade+0x900/0x900
[  434.121492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.127055]  cache_grow_begin+0xa5/0x8c0
[  434.131122]  ? do_raw_spin_unlock+0xa7/0x330
[  434.135538]  fallback_alloc+0x204/0x2e0
[  434.139523]  ____cache_alloc_node+0x1c7/0x1e0
[  434.144041]  kmem_cache_alloc_node+0xe3/0x730
[  434.148539]  ? ipv6_get_ifaddr+0x42e/0x620
[  434.152797]  __alloc_skb+0x119/0x770
[  434.156529]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.161811]  ? netdev_alloc_frag+0x1f0/0x1f0
[  434.166227]  ? lock_downgrade+0x900/0x900
[  434.170385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.175922]  ? refcount_sub_and_test_checked+0x203/0x310
[  434.181379]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  434.186832]  ? addrconf_rs_timer+0x690/0x690
[  434.191258]  ndisc_alloc_skb+0x144/0x340
[  434.195326]  ndisc_send_rs+0x331/0x6e0
[  434.199222]  addrconf_rs_timer+0x314/0x690
[  434.203462]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.207707]  call_timer_fn+0x272/0x920
[  434.211593]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.215829]  ? process_timeout+0x40/0x40
[  434.219902]  ? mark_held_locks+0xc7/0x130
[  434.224057]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.228557]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.233055]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.237293]  ? lockdep_hardirqs_on+0x296/0x5b0
[  434.241878]  ? trace_hardirqs_on+0xbd/0x310
[  434.246200]  ? kasan_check_read+0x11/0x20
[  434.250348]  ? __run_timers+0x7da/0xc70
[  434.254326]  ? trace_hardirqs_off_caller+0x310/0x310
[  434.259434]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.263680]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.267916]  __run_timers+0x7e5/0xc70
[  434.271731]  ? timer_fixup_init+0x70/0x70
[  434.275881]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  434.280897]  ? zap_class+0x640/0x640
[  434.284616]  ? print_usage_bug+0xc0/0xc0
[  434.288682]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  434.293885]  ? find_held_lock+0x36/0x1c0
[  434.297956]  ? zap_class+0x640/0x640
[  434.301690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.307234]  ? check_preemption_disabled+0x48/0x280
[  434.312261]  ? __lock_is_held+0xb5/0x140
[  434.316324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.321865]  ? check_preemption_disabled+0x48/0x280
[  434.326889]  run_timer_softirq+0x52/0xb0
[  434.330952]  ? rcu_read_lock_sched_held+0x14f/0x180
[  434.335970]  __do_softirq+0x308/0xb7e
[  434.339777]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  434.344274]  ? lock_downgrade+0x900/0x900
[  434.348432]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  434.353548]  ? pvclock_read_flags+0x160/0x160
[  434.358060]  ? lapic_next_event+0x5a/0x90
[  434.362229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.367774]  ? kvm_clock_read+0x18/0x30
[  434.371753]  ? kvm_sched_clock_read+0x9/0x20
[  434.376169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.381709]  ? check_preemption_disabled+0x48/0x280
[  434.386736]  irq_exit+0x17f/0x1c0
[  434.390197]  smp_apic_timer_interrupt+0x1cb/0x760
[  434.395051]  ? smp_reschedule_interrupt+0x109/0x650
[  434.400072]  ? smp_call_function_single_interrupt+0x650/0x650
[  434.405958]  ? interrupt_entry+0xb5/0xc0
[  434.410027]  ? trace_hardirqs_off_caller+0xbb/0x310
[  434.415059]  ? trace_hardirqs_off_caller+0xbb/0x310
[  434.420095]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.424955]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.429974]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.434989]  ? task_prio+0x50/0x50
[  434.438538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.444083]  ? check_preemption_disabled+0x48/0x280
[  434.449110]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.453961]  apic_timer_interrupt+0xf/0x20
[  434.458188]  </IRQ>
[  434.460427] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  434.465616] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  434.484519] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  434.492227] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  434.499493] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  434.506783] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  434.514056] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  434.521327] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  434.528652]  retint_kernel+0x1b/0x2d
[  434.532383] RIP: 0010:dump_stack+0x358/0x39d
[  434.536787] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  434.555696] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  434.563406] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  434.570690] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  434.577975] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  434.585241] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  434.592522] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  434.599821]  ? dump_stack+0x34f/0x39d
[  434.603635]  ? dump_stack_print_info.cold.1+0x20/0x20
[  434.608831]  ? mark_held_locks+0x130/0x130
[  434.613510]  ? mark_held_locks+0x130/0x130
[  434.617755]  dump_header+0x27b/0xf72
[  434.621489]  ? pagefault_out_of_memory+0x197/0x197
[  434.626426]  ? __lock_acquire+0x62f/0x4c20
[  434.630665]  ? percpu_ref_get_many+0x240/0x240
[  434.635256]  ? print_usage_bug+0xc0/0xc0
[  434.639330]  ? zap_class+0x640/0x640
[  434.643072]  ? print_usage_bug+0xc0/0xc0
[  434.647141]  ? print_usage_bug+0xc0/0xc0
[  434.651208]  ? zap_class+0x640/0x640
[  434.654927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.660474]  ? find_held_lock+0x36/0x1c0
[  434.664806]  ? mark_held_locks+0xc7/0x130
[  434.668967]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  434.674068]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  434.679187]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  434.683791]  ? trace_hardirqs_on+0xbd/0x310
[  434.688142]  ? kasan_check_read+0x11/0x20
[  434.692307]  ? ___ratelimit+0x3b4/0x672
[  434.696282]  ? trace_hardirqs_off_caller+0x310/0x310
[  434.701385]  ? trace_hardirqs_on+0x310/0x310
[  434.705810]  ? lock_downgrade+0x900/0x900
[  434.709966]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  434.715070]  ? ___ratelimit+0x3b9/0x672
[  434.719060]  ? idr_get_free+0xf70/0xf70
[  434.723050]  ? find_held_lock+0x36/0x1c0
[  434.727125]  oom_kill_process.cold.27+0x10/0x903
[  434.731882]  ? zap_class+0x640/0x640
[  434.735597]  ? check_preemption_disabled+0x48/0x280
[  434.740630]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  434.745591]  ? kasan_check_read+0x11/0x20
[  434.749740]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.755148]  ? oom_evaluate_task+0x540/0x540
[  434.759564]  ? find_held_lock+0x36/0x1c0
[  434.763660]  ? out_of_memory+0x974/0x1430
[  434.767813]  ? lock_downgrade+0x900/0x900
[  434.771959]  ? check_preemption_disabled+0x48/0x280
[  434.776979]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  434.781919]  ? kasan_check_read+0x11/0x20
[  434.786067]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.791371]  ? rcu_softirq_qs+0x20/0x20
[  434.795363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.800899]  ? oom_evaluate_task+0x302/0x540
[  434.805310]  out_of_memory+0xa84/0x1430
[  434.809295]  ? oom_killer_disable+0x3a0/0x3a0
[  434.813794]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  434.818733]  ? __ww_mutex_check_waiters+0x160/0x160
[  434.823759]  __alloc_pages_slowpath+0x2354/0x2e10
[  434.828636]  ? warn_alloc+0x120/0x120
[  434.832450]  ? mark_held_locks+0x130/0x130
[  434.836740]  ? find_get_entry+0xaae/0x1120
[  434.841001]  ? filemap_map_pages+0x1a20/0x1a20
[  434.845615]  ? zap_class+0x640/0x640
[  434.849336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.854888]  ? check_preemption_disabled+0x48/0x280
[  434.859933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.865471]  ? should_fail+0x22d/0xd01
[  434.869363]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.874468]  ? zap_class+0x640/0x640
[  434.878210]  ? __lock_is_held+0xb5/0x140
[  434.882284]  ? mark_held_locks+0x130/0x130
[  434.886527]  ? lock_release+0xa00/0xa00
[  434.890507]  ? perf_trace_sched_process_exec+0x860/0x860
[  434.895991]  ? xa_load+0x2ba/0x460
[  434.899553]  ? lock_downgrade+0x900/0x900
[  434.903707]  ? __might_sleep+0x95/0x190
[  434.907712]  __alloc_pages_nodemask+0xa80/0xde0
[  434.912430]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  434.917479]  ? __page_cache_alloc+0x191/0x5c0
[  434.921972]  ? xa_load+0x2e1/0x460
[  434.925515]  ? xa_clear_mark+0x40/0x40
[  434.929406]  ? zap_class+0x640/0x640
[  434.933155]  ? zap_class+0x640/0x640
[  434.936868]  ? zap_class+0x640/0x640
[  434.940583]  ? __do_page_cache_readahead+0x663/0x810
[  434.945956]  ? find_held_lock+0x36/0x1c0
[  434.950032]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  434.955580]  alloc_pages_current+0x173/0x350
[  434.960000]  __page_cache_alloc+0x38c/0x5c0
[  434.964335]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  434.969268]  ? kasan_check_read+0x11/0x20
[  434.973418]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.978699]  ? generic_perform_write+0x6a0/0x6a0
[  434.983472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.989009]  ? check_preemption_disabled+0x48/0x280
[  434.994075]  filemap_fault+0x1595/0x25f0
[  434.998933]  ? __lock_page_or_retry+0xa00/0xa00
[  435.003610]  ? mark_held_locks+0x130/0x130
[  435.007859]  ? filemap_map_pages+0xd6b/0x1a20
[  435.012355]  ? lock_downgrade+0x900/0x900
[  435.016506]  ? check_preemption_disabled+0x48/0x280
[  435.021567]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  435.026511]  ? kasan_check_read+0x11/0x20
[  435.030657]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.035933]  ? rcu_softirq_qs+0x20/0x20
[  435.039955]  ? filemap_map_pages+0xd92/0x1a20
[  435.044465]  ? find_get_entries_tag+0x1400/0x1400
[  435.049308]  ? ep_scan_ready_list+0xbc7/0x1050
[  435.053924]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.059073]  ? lock_acquire+0x1ed/0x520
[  435.063051]  ? ext4_filemap_fault+0x7a/0xad
[  435.067398]  ? lock_release+0xa00/0xa00
[  435.071371]  ? perf_trace_sched_process_exec+0x860/0x860
[  435.076840]  ? print_usage_bug+0xc0/0xc0
[  435.080903]  ? print_usage_bug+0xc0/0xc0
[  435.084970]  ? down_read+0x8d/0x120
[  435.088592]  ? ext4_filemap_fault+0x7a/0xad
[  435.092915]  ? __down_interruptible+0x700/0x700
[  435.097624]  ext4_filemap_fault+0x82/0xad
[  435.101778]  __do_fault+0x100/0x6b0
[  435.105410]  ? pmd_devmap_trans_unstable+0x220/0x220
[  435.110520]  ? mark_held_locks+0x130/0x130
[  435.114759]  ? mark_held_locks+0x130/0x130
[  435.118994]  ? kasan_check_read+0x11/0x20
[  435.123151]  ? ep_poll+0xffa/0x13d0
[  435.126786]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.131895]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.137442]  __handle_mm_fault+0x3ea0/0x5be0
[  435.141850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.147428]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  435.152274]  ? do_epoll_create+0x590/0x590
[  435.156506]  ? kasan_check_read+0x11/0x20
[  435.160651]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.165927]  ? rcu_softirq_qs+0x20/0x20
[  435.169911]  ? zap_class+0x640/0x640
[  435.173626]  ? zap_class+0x640/0x640
[  435.177347]  ? find_held_lock+0x36/0x1c0
[  435.181422]  ? handle_mm_fault+0x42a/0xc70
[  435.185711]  ? lock_downgrade+0x900/0x900
[  435.189864]  ? check_preemption_disabled+0x48/0x280
[  435.194910]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  435.199855]  ? kasan_check_read+0x11/0x20
[  435.204002]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.209290]  ? rcu_softirq_qs+0x20/0x20
[  435.213264]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.218475]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.224023]  ? check_preemption_disabled+0x48/0x280
[  435.229066]  handle_mm_fault+0x54f/0xc70
[  435.233141]  ? __handle_mm_fault+0x5be0/0x5be0
[  435.237745]  ? find_vma+0x34/0x190
[  435.241292]  __do_page_fault+0x5e8/0xe60
[  435.245354]  ? trace_hardirqs_off+0xb8/0x310
[  435.249760]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  435.255326]  do_page_fault+0xf2/0x7e0
[  435.259140]  ? vmalloc_sync_all+0x30/0x30
[  435.263289]  ? error_entry+0x70/0xd0
[  435.267005]  ? trace_hardirqs_off_caller+0xbb/0x310
[  435.272079]  ? trace_hardirqs_on_caller+0xc0/0x310
[  435.277052]  ? syscall_return_slowpath+0x5e0/0x5e0
[  435.281984]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.286852]  ? trace_hardirqs_on_caller+0x310/0x310
[  435.291961]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  435.297452]  ? prepare_exit_to_usermode+0x291/0x3b0
[  435.302467]  ? page_fault+0x8/0x30
[  435.306006]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.310892]  ? page_fault+0x8/0x30
[  435.314434]  page_fault+0x1e/0x30
[  435.317883] RIP: 0033:0x45df89
[  435.321090] Code: Bad RIP value.
[  435.324451] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  435.329809] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  435.337074] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  435.344342] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  435.351621] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  435.358888] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  435.366188] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  435.366218] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[  435.373560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  435.379777] rcu: 	(detected by 0, t=10527 jiffies, g=27677, q=36)
[  435.389121] Call Trace:
[  435.395344] rcu: All QSes seen, last rcu_preempt kthread activity 10421 (4294980687-4294970266), jiffies_till_next_fqs=1, root ->qsmask 0x0
[  435.397906]  <IRQ>
[  435.410542] syz-fuzzer      R  running task     9864  6137   6123 0x80000008
[  435.412699]  dump_stack+0x244/0x39d
[  435.419858] Call Trace:
[  435.423481]  ? dump_stack_print_info.cold.1+0x20/0x20
[  435.426042]  <IRQ>
[  435.431234]  warn_alloc.cold.116+0xb7/0x1bd
[  435.433368]  sched_show_task.cold.84+0x2b6/0x30a
[  435.437675]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  435.442433]  ? can_nice.part.74+0x20/0x20
[  435.447261]  ? lock_downgrade+0x900/0x900
[  435.451395]  ? vprintk_default+0x28/0x30
[  435.455566]  ? trace_hardirqs_off+0xb8/0x310
[  435.459601]  ? vprintk_func+0x85/0x181
[  435.463999]  ? trace_hardirqs_off+0xb8/0x310
[  435.467873]  ? vprintk_func+0x85/0x181
[  435.472270]  __alloc_pages_slowpath+0x26e8/0x2e10
[  435.476137]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  435.480984]  ? warn_alloc+0x120/0x120
[  435.485701]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  435.489486]  ? warn_alloc+0x120/0x120
[  435.494226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.498011]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  435.503543]  print_other_cpu_stall.cold.66+0x7dd/0x8bb
[  435.508547]  ? warn_alloc+0x120/0x120
[  435.513808]  ? print_usage_bug+0xc0/0xc0
[  435.517594]  ? print_usage_bug+0xc0/0xc0
[  435.521638]  ? rcu_qs+0x110/0x110
[  435.525699]  ? print_usage_bug+0xc0/0xc0
[  435.529152]  ? zap_class+0x640/0x640
[  435.533189]  ? check_usage+0x1aa/0x790
[  435.536887]  ? print_usage_bug+0xc0/0xc0
[  435.540759]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.544807]  ? kasan_check_read+0x11/0x20
[  435.550327]  ? should_fail+0x22d/0xd01
[  435.554471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.558346]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  435.563867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.569735]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.575261]  ? do_trace_rcu_torture_read+0x10/0x10
[  435.580352]  ? __lock_acquire+0x62f/0x4c20
[  435.585268]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  435.589484]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.594742]  ? __lock_is_held+0xb5/0x140
[  435.599828]  ? should_fail+0x22d/0xd01
[  435.603877]  ? __rcu_read_lock+0x50/0x50
[  435.607757]  ? mark_held_locks+0x130/0x130
[  435.611797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.616027]  ? mark_held_locks+0x130/0x130
[  435.621549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.621569]  ? check_preemption_disabled+0x48/0x280
[  435.625786]  ? print_usage_bug+0xc0/0xc0
[  435.631309]  rcu_check_callbacks+0xfd7/0x13f0
[  435.636308]  ? find_held_lock+0x36/0x1c0
[  435.640352]  ? rcutree_dead_cpu+0x10/0x10
[  435.644830]  ? zap_class+0x640/0x640
[  435.648876]  ? lock_downgrade+0x900/0x900
[  435.653007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.656711]  ? lock_release+0x940/0xa00
[  435.660845]  ? check_preemption_disabled+0x48/0x280
[  435.666370]  ? zap_class+0x640/0x640
[  435.670328]  ? __lock_is_held+0xb5/0x140
[  435.675327]  ? mark_held_locks+0x130/0x130
[  435.679033]  __alloc_pages_nodemask+0xa80/0xde0
[  435.683084]  ? zap_class+0x640/0x640
[  435.687307]  ? zap_class+0x640/0x640
[  435.691961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.695663]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  435.699360]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  435.704888]  ? find_held_lock+0x36/0x1c0
[  435.709882]  ? kvm_set_tsc_khz+0x540/0x540
[  435.714454]  ? ____cache_alloc_node+0x1c7/0x1e0
[  435.718493]  ? warn_alloc.cold.116+0xd1/0x1bd
[  435.722712]  ? lock_downgrade+0x900/0x900
[  435.727374]  ? find_held_lock+0x36/0x1c0
[  435.731883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.736034]  ? zap_class+0x640/0x640
[  435.740105]  cache_grow_begin+0xa5/0x8c0
[  435.745625]  ? timekeeping_advance+0x3cc/0xc00
[  435.749323]  ? do_raw_spin_unlock+0xa7/0x330
[  435.753388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.757961]  fallback_alloc+0x204/0x2e0
[  435.762353]  ? check_preemption_disabled+0x48/0x280
[  435.767874]  ____cache_alloc_node+0x1c7/0x1e0
[  435.771840]  ? trace_hardirqs_off+0xb8/0x310
[  435.776837]  kmem_cache_alloc_node+0xe3/0x730
[  435.781314]  ? __lock_is_held+0xb5/0x140
[  435.785704]  ? mark_held_locks+0xc7/0x130
[  435.790182]  ? trace_hardirqs_on+0x310/0x310
[  435.794233]  __alloc_skb+0x119/0x770
[  435.798387]  ? check_preemption_disabled+0x48/0x280
[  435.802775]  ? netdev_alloc_frag+0x1f0/0x1f0
[  435.806472]  ? raise_softirq+0x199/0x420
[  435.811503]  ? do_raw_spin_trylock+0x270/0x270
[  435.815895]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  435.819940]  ? kmem_cache_alloc_trace+0x353/0x750
[  435.824504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.829155]  ? queue_work_on+0x12c/0x1e0
[  435.833988]  ? check_preemption_disabled+0x48/0x280
[  435.839509]  ? switchdev_port_obj_del+0xdc/0x440
[  435.843561]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  435.848561]  ? switchdev_trans_item_enqueue+0x260/0x260
[  435.853306]  ? hrtimer_run_queues+0x9a/0x400
[  435.858830]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  435.864184]  ? run_local_timers+0x19b/0x230
[  435.868575]  __br_mdb_notify+0x4ff/0x15d0
[  435.873583]  ? timer_clear_idle+0x90/0x90
[  435.877909]  ? __br_mdb_add+0x7f0/0x7f0
[  435.882049]  ? debug_smp_processor_id+0x1c/0x20
[  435.886179]  ? zap_class+0x640/0x640
[  435.890140]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  435.894793]  ? br_multicast_group_expired+0x96/0x610
[  435.898502]  ? account_process_tick+0x282/0x350
[  435.904466]  ? lock_downgrade+0x900/0x900
[  435.909571]  update_process_times+0x2d/0x70
[  435.914232]  br_mdb_notify+0x310/0x410
[  435.918367]  tick_sched_handle+0x9f/0x180
[  435.922669]  ? br_mdb_dump+0x27b0/0x27b0
[  435.926567]  tick_sched_timer+0x45/0x130
[  435.926583]  __hrtimer_run_queues+0x41c/0x10d0
[  435.930721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.934770]  ? tick_sched_do_timer+0x1a0/0x1a0
[  435.938820]  br_multicast_group_expired+0x1bc/0x610
[  435.943379]  ? hrtimer_start_range_ns+0xe00/0xe00
[  435.948903]  ? br_mdb_free+0x80/0x80
[  435.953470]  ? pvclock_read_flags+0x160/0x160
[  435.958477]  call_timer_fn+0x272/0x920
[  435.963318]  ? trace_hardirqs_on+0x310/0x310
[  435.967023]  ? br_mdb_free+0x80/0x80
[  435.971509]  ? kvm_clock_read+0x18/0x30
[  435.975380]  ? process_timeout+0x40/0x40
[  435.979775]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  435.983473]  ? __run_timers+0x7da/0xc70
[  435.987431]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  435.991477]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.996495]  ? do_timer+0x50/0x50
[  436.000469]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.005817]  ? rwlock_bug.part.2+0x90/0x90
[  436.010315]  ? br_mdb_free+0x80/0x80
[  436.013762]  ? trace_hardirqs_on+0x310/0x310
[  436.018240]  ? lockdep_hardirqs_on+0x296/0x5b0
[  436.022460]  ? rcu_softirq_qs+0x20/0x20
[  436.026161]  ? trace_hardirqs_on+0xbd/0x310
[  436.030558]  hrtimer_interrupt+0x313/0x780
[  436.035128]  ? kasan_check_read+0x11/0x20
[  436.039098]  smp_apic_timer_interrupt+0x1a1/0x760
[  436.043389]  ? __run_timers+0x7da/0xc70
[  436.047640]  ? smp_call_function_single_interrupt+0x650/0x650
[  436.051772]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.056600]  ? interrupt_entry+0xb5/0xc0
[  436.060566]  ? br_mdb_free+0x80/0x80
[  436.066431]  ? trace_hardirqs_off_caller+0xbb/0x310
[  436.071516]  ? br_mdb_free+0x80/0x80
[  436.075564]  ? ____cache_alloc_node+0x1c7/0x1e0
[  436.079263]  __run_timers+0x7e5/0xc70
[  436.084270]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.087972]  ? timer_fixup_init+0x70/0x70
[  436.092637]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.096438]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  436.101276]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.105399]  ? zap_class+0x640/0x640
[  436.110407]  apic_timer_interrupt+0xf/0x20
[  436.115404]  ? enqueue_hrtimer+0x1a5/0x560
[  436.120233] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  436.123934]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  436.128156] Code: 3f 7e 0f 85 32 ff ff ff e8 05 1c 3e ff e9 28 ff ff ff e8 6c 51 c3 ff 48 83 3d 84 9a 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 92 b7
[  436.132391]  ? find_held_lock+0x36/0x1c0
[  436.137728] RSP: 0018:ffff8801dae07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  436.142936]  ? zap_class+0x640/0x640
[  436.161827] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10039519993
[  436.165889]  ? pvclock_read_flags+0x160/0x160
[  436.173594] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  436.177297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.184545] RBP: ffff8801dae074c0 R08: ffff8801ca8ccc98 R09: 0000000000000002
[  436.184558] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: ffff8801d9a1c0c0
[  436.189059]  ? check_preemption_disabled+0x48/0x280
[  436.196309] R13: ffff8801d9a1c0c0 R14: 0000000000000000 R15: 0000000000000286
[  436.201868]  ? __lock_is_held+0xb5/0x140
[  436.209125]  ? apic_timer_interrupt+0xa/0x20
[  436.216383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.221408]  ? ipv6_get_ifaddr+0x42e/0x620
[  436.228671]  ? check_preemption_disabled+0x48/0x280
[  436.232721]  __alloc_skb+0x119/0x770
[  436.237109]  run_timer_softirq+0x52/0xb0
[  436.242628]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.246850]  ? rcu_read_lock_sched_held+0x14f/0x180
[  436.251847]  ? netdev_alloc_frag+0x1f0/0x1f0
[  436.255551]  __do_softirq+0x308/0xb7e
[  436.259591]  ? lock_downgrade+0x900/0x900
[  436.264854]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  436.269858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.274248]  ? lock_downgrade+0x900/0x900
[  436.278046]  ? refcount_sub_and_test_checked+0x203/0x310
[  436.282174]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  436.286654]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  436.292182]  ? pvclock_read_flags+0x160/0x160
[  436.296310]  ? addrconf_rs_timer+0x690/0x690
[  436.301745]  ? lapic_next_event+0x5a/0x90
[  436.306837]  ndisc_alloc_skb+0x144/0x340
[  436.312265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.316742]  ndisc_send_rs+0x331/0x6e0
[  436.321155]  ? kvm_clock_read+0x18/0x30
[  436.325289]  addrconf_rs_timer+0x314/0x690
[  436.329336]  ? kvm_sched_clock_read+0x9/0x20
[  436.334858]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.338731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.342693]  call_timer_fn+0x272/0x920
[  436.346912]  ? check_preemption_disabled+0x48/0x280
[  436.351301]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.355529]  irq_exit+0x17f/0x1c0
[  436.361054]  ? process_timeout+0x40/0x40
[  436.364926]  smp_apic_timer_interrupt+0x1cb/0x760
[  436.369929]  ? mark_held_locks+0xc7/0x130
[  436.374142]  ? smp_reschedule_interrupt+0x109/0x650
[  436.377581]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.381633]  ? smp_call_function_single_interrupt+0x650/0x650
[  436.386457]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.390590]  ? interrupt_entry+0xb5/0xc0
[  436.395596]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.400078]  ? trace_hardirqs_off_caller+0xbb/0x310
[  436.405949]  ? lockdep_hardirqs_on+0x296/0x5b0
[  436.410430]  ? trace_hardirqs_off_caller+0xbb/0x310
[  436.414478]  ? trace_hardirqs_on+0xbd/0x310
[  436.418702]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.423706]  ? kasan_check_read+0x11/0x20
[  436.428274]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.433286]  ? __run_timers+0x7da/0xc70
[  436.437597]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.442422]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.446567]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.451565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.455529]  apic_timer_interrupt+0xf/0x20
[  436.460528]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.465610]  </IRQ>
[  436.470446]  __run_timers+0x7e5/0xc70
[  436.474667] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  436.478894]  ? timer_fixup_init+0x70/0x70
[  436.483107] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  436.485336]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  436.489115] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  436.494045]  ? zap_class+0x640/0x640
[  436.498183] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  436.517082]  ? print_usage_bug+0xc0/0xc0
[  436.522100] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  436.529800]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  436.533496] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  436.540762]  ? find_held_lock+0x36/0x1c0
[  436.544801] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  436.552069]  ? zap_class+0x640/0x640
[  436.557237] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  436.564517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.568590]  skb_clone+0x1bb/0x500
[  436.575825]  ? check_preemption_disabled+0x48/0x280
[  436.579524]  ? finish_task_switch+0x2f4/0x910
[  436.586789]  ? __lock_is_held+0xb5/0x140
[  436.592307]  ? skb_split+0x11e0/0x11e0
[  436.595851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.600850]  ? preempt_notifier_register+0x200/0x200
[  436.605331]  ? check_preemption_disabled+0x48/0x280
[  436.609372]  ? __switch_to_asm+0x34/0x70
[  436.613493]  run_timer_softirq+0x52/0xb0
[  436.619022]  ? __switch_to_asm+0x34/0x70
[  436.624122]  ? rcu_read_lock_sched_held+0x14f/0x180
[  436.629152]  ? __switch_to_asm+0x40/0x70
[  436.633200]  __do_softirq+0x308/0xb7e
[  436.637244]  ? __switch_to_asm+0x34/0x70
[  436.641291]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  436.646289]  ? __switch_to_asm+0x40/0x70
[  436.650339]  ? lock_downgrade+0x900/0x900
[  436.654125]  ? __switch_to_asm+0x34/0x70
[  436.658173]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  436.662650]  ? __switch_to_asm+0x40/0x70
[  436.666701]  ? pvclock_read_flags+0x160/0x160
[  436.670826]  ? __switch_to_asm+0x34/0x70
[  436.674877]  ? lapic_next_event+0x5a/0x90
[  436.679959]  ? __switch_to_asm+0x34/0x70
[  436.684008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.688489]  ? __switch_to_asm+0x40/0x70
[  436.692535]  ? kvm_clock_read+0x18/0x30
[  436.696669]  ? __switch_to_asm+0x34/0x70
[  436.700719]  ? kvm_sched_clock_read+0x9/0x20
[  436.706240]  bpf_clone_redirect+0xb9/0x490
[  436.710293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.714248]  ? __schedule+0x8d7/0x21d0
[  436.718299]  ? check_preemption_disabled+0x48/0x280
[  436.722710]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  436.726952]  irq_exit+0x17f/0x1c0
[  436.732467]  ? __sched_text_start+0x8/0x8
[  436.736341]  smp_apic_timer_interrupt+0x1cb/0x760
[  436.741341]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  436.746480]  ? smp_reschedule_interrupt+0x109/0x650
[  436.749924]  ? retint_kernel+0x2d/0x2d
[  436.754106]  ? smp_call_function_single_interrupt+0x650/0x650
[  436.758936]  ? trace_hardirqs_on_caller+0xc0/0x310
[  436.763501]  ? interrupt_entry+0xb5/0xc0
[  436.768504]  ? find_held_lock+0x36/0x1c0
[  436.772377]  ? trace_hardirqs_off_caller+0xbb/0x310
[  436.778248]  ? lock_acquire+0x1ed/0x520
[  436.783161]  ? trace_hardirqs_off_caller+0xbb/0x310
[  436.787207]  ? bpf_test_run+0x3cb/0x780
[  436.791254]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.796255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.800213]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.805220]  ? check_preemption_disabled+0x48/0x280
[  436.809180]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.814007]  ? kasan_check_read+0x11/0x20
[  436.819541]  ? task_prio+0x50/0x50
[  436.824549]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.829544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.834549]  ? rcu_softirq_qs+0x20/0x20
[  436.838683]  ? check_preemption_disabled+0x48/0x280
[  436.842208]  ? preempt_schedule+0x4d/0x60
[  436.847469]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.852990]  ? ___preempt_schedule+0x16/0x18
[  436.856971]  apic_timer_interrupt+0xf/0x20
[  436.861951]  ? bpf_test_run+0x25d/0x780
[  436.866072]  </IRQ>
[  436.870929]  ? netlink_diag_dump+0x2a0/0x2a0
[  436.875316] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  436.879533]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.883488] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  436.885755]  ? bpf_test_init.isra.10+0x70/0x100
[  436.890142] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  436.895336]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  436.900867] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  436.919773]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  436.924416] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  436.932114]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  436.936856] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  436.944119]  ? fput+0x130/0x1a0
[  436.948940] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  436.956200]  ? __bpf_prog_get+0x9b/0x290
[  436.961733] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  436.968995]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  436.972277]  retint_kernel+0x1b/0x2d
[  436.979511]  ? bpf_prog_test_run+0x130/0x1a0
[  436.983554] RIP: 0010:dump_stack+0x358/0x39d
[  436.983570] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  436.990831]  ? __x64_sys_bpf+0x3d8/0x520
[  436.995651] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  436.999352]  ? bpf_prog_get+0x20/0x20
[  437.003743] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  437.008157]  ? do_syscall_64+0x1b9/0x820
[  437.027033] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  437.031109]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  437.038796] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  437.042618]  ? syscall_return_slowpath+0x5e0/0x5e0
[  437.049872] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  437.053922]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.061175] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  437.066530]  ? trace_hardirqs_on_caller+0x310/0x310
[  437.073793]  ? dump_stack+0x34f/0x39d
[  437.078700]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  437.085972]  ? dump_stack_print_info.cold.1+0x20/0x20
[  437.090785]  ? prepare_exit_to_usermode+0x291/0x3b0
[  437.098055]  ? mark_held_locks+0x130/0x130
[  437.103058]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.106846]  ? mark_held_locks+0x130/0x130
[  437.111852]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  437.117032]  dump_header+0x27b/0xf72
[  437.122055] warn_alloc_show_mem: 1 callbacks suppressed
[  437.122060] Mem-Info:
[  437.126281]  ? pagefault_out_of_memory+0x197/0x197
[  437.131116] active_anon:51179 inactive_anon:236 isolated_anon:0
[  437.131116]  active_file:17 inactive_file:9 isolated_file:0
[  437.131116]  unevictable:0 dirty:0 writeback:0 unstable:0
[  437.131116]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  437.131116]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  437.131116]  free:13694 free_pcp:258 free_cma:0
[  437.135323]  ? __lock_acquire+0x62f/0x4c20
[  437.140686] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  437.144372]  ? percpu_ref_get_many+0x240/0x240
[  437.149709] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  437.152115]  ? print_usage_bug+0xc0/0xc0
[  437.157061] lowmem_reserve[]: 0 2818 6321 6321
[  437.189854]  ? zap_class+0x640/0x640
[  437.194067] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  437.221573]  ? print_usage_bug+0xc0/0xc0
[  437.226132] lowmem_reserve[]: 0 0 3503 3503
[  437.252241]  ? print_usage_bug+0xc0/0xc0
[  437.256282] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  437.260858]  ? zap_class+0x640/0x640
[  437.264550] lowmem_reserve[]: 0 0 0 0
[  437.291704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.295739] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  437.300063]  ? find_held_lock+0x36/0x1c0
[  437.304102] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  437.333086]  ? mark_held_locks+0xc7/0x130
[  437.336771] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  437.340585]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  437.346361] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  437.359877]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  437.363920] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  437.379084]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  437.383212] 309 total pagecache pages
[  437.397424]  ? trace_hardirqs_on+0xbd/0x310
[  437.402510] 0 pages in swap cache
[  437.411384]  ? kasan_check_read+0x11/0x20
[  437.416469] Swap cache stats: add 0, delete 0, find 0/0
[  437.425045]  ? ___ratelimit+0x3b4/0x672
[  437.429598] Free swap  = 0kB
[  437.433395]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.437699] Total swap = 0kB
[  437.437714] 1965979 pages RAM
[  437.441159]  ? trace_hardirqs_on+0x310/0x310
[  437.445293] 0 pages HighMem/MovableOnly
[  437.450655]  ? lock_downgrade+0x900/0x900
[  437.454595] 342853 pages reserved
[  437.454604] 0 pages cma reserved
[  437.457620]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  437.462875] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  437.465710]  ? ___ratelimit+0x3b9/0x672
[  437.465728]  ? idr_get_free+0xf70/0xf70
[  437.468989] syz-executor2 cpuset=syz2 mems_allowed=0
[  437.473397]  ? find_held_lock+0x36/0x1c0
[  437.473423]  oom_kill_process.cold.27+0x10/0x903
[  437.477483] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  437.481621]  ? zap_class+0x640/0x640
[  437.485059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  437.488428]  ? check_preemption_disabled+0x48/0x280
[  437.493504] Call Trace:
[  437.504000]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  437.507956]  <IRQ>
[  437.511928]  ? kasan_check_read+0x11/0x20
[  437.517025]  dump_stack+0x244/0x39d
[  437.521081]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.525844]  ? dump_stack_print_info.cold.1+0x20/0x20
[  437.533193]  ? oom_evaluate_task+0x540/0x540
[  437.536898]  warn_alloc.cold.116+0xb7/0x1bd
[  437.546232]  ? find_held_lock+0x36/0x1c0
[  437.551237]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  437.553837]  ? out_of_memory+0x974/0x1430
[  437.558754]  ? lock_downgrade+0x900/0x900
[  437.560906]  ? lock_downgrade+0x900/0x900
[  437.565055]  ? trace_hardirqs_off+0xb8/0x310
[  437.568673]  ? check_preemption_disabled+0x48/0x280
[  437.573931]  ? trace_hardirqs_off+0xb8/0x310
[  437.579106]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  437.583504]  __alloc_pages_slowpath+0x26e8/0x2e10
[  437.587807]  ? kasan_check_read+0x11/0x20
[  437.591885]  ? warn_alloc+0x120/0x120
[  437.596693]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.600829]  ? warn_alloc+0x120/0x120
[  437.604959]  ? rcu_softirq_qs+0x20/0x20
[  437.609096]  ? warn_alloc+0x120/0x120
[  437.613491]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.618489]  ? print_usage_bug+0xc0/0xc0
[  437.622886]  ? oom_evaluate_task+0x302/0x540
[  437.627799]  ? print_usage_bug+0xc0/0xc0
[  437.632640]  out_of_memory+0xa84/0x1430
[  437.636774]  ? print_usage_bug+0xc0/0xc0
[  437.640563]  ? oom_killer_disable+0x3a0/0x3a0
[  437.645821]  ? print_usage_bug+0xc0/0xc0
[  437.649605]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  437.653572]  ? mark_held_locks+0x130/0x130
[  437.657360]  ? __ww_mutex_check_waiters+0x160/0x160
[  437.662882]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.666936]  __alloc_pages_slowpath+0x2354/0x2e10
[  437.671323]  ? should_fail+0x22d/0xd01
[  437.675405]  ? warn_alloc+0x120/0x120
[  437.679356]  ? print_usage_bug+0xc0/0xc0
[  437.683399]  ? mark_held_locks+0x130/0x130
[  437.687882]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  437.691934]  ? find_get_entry+0xaae/0x1120
[  437.696845]  ? __lock_acquire+0x62f/0x4c20
[  437.701075]  ? filemap_map_pages+0x1a20/0x1a20
[  437.706081]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  437.711602]  ? zap_class+0x640/0x640
[  437.716429]  ? should_fail+0x22d/0xd01
[  437.720305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.724087]  ? __lock_acquire+0x62f/0x4c20
[  437.728149]  ? check_preemption_disabled+0x48/0x280
[  437.732370]  ? rcu_softirq_qs+0x20/0x20
[  437.737459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.741681]  ? mark_held_locks+0x130/0x130
[  437.745894]  ? should_fail+0x22d/0xd01
[  437.750462]  ? mark_held_locks+0x130/0x130
[  437.755554]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  437.759254]  ? mark_held_locks+0x130/0x130
[  437.763127]  ? zap_class+0x640/0x640
[  437.768651]  ? zap_class+0x640/0x640
[  437.772890]  ? __lock_is_held+0xb5/0x140
[  437.777871]  ? mark_held_locks+0x130/0x130
[  437.781833]  ? mark_held_locks+0x130/0x130
[  437.787368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.791586]  ? lock_release+0xa00/0xa00
[  437.795472]  ? check_preemption_disabled+0x48/0x280
[  437.799721]  ? perf_trace_sched_process_exec+0x860/0x860
[  437.804813]  ? __lock_is_held+0xb5/0x140
[  437.809055]  ? xa_load+0x2ba/0x460
[  437.812751]  __alloc_pages_nodemask+0xa80/0xde0
[  437.816446]  ? lock_downgrade+0x900/0x900
[  437.820492]  ? zap_class+0x640/0x640
[  437.824730]  ? __might_sleep+0x95/0x190
[  437.828965]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  437.834489]  __alloc_pages_nodemask+0xa80/0xde0
[  437.838453]  ? find_held_lock+0x36/0x1c0
[  437.843450]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  437.848892]  ? ____cache_alloc_node+0x1c7/0x1e0
[  437.852932]  ? __page_cache_alloc+0x191/0x5c0
[  437.856453]  ? lock_downgrade+0x900/0x900
[  437.861120]  ? xa_load+0x2e1/0x460
[  437.865255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.868954]  ? xa_clear_mark+0x40/0x40
[  437.872916]  cache_grow_begin+0xa5/0x8c0
[  437.877913]  ? zap_class+0x640/0x640
[  437.882572]  ? do_raw_spin_unlock+0xa7/0x330
[  437.886621]  ? zap_class+0x640/0x640
[  437.891622]  fallback_alloc+0x204/0x2e0
[  437.896276]  ? zap_class+0x640/0x640
[  437.900756]  ____cache_alloc_node+0x1c7/0x1e0
[  437.904887]  ? __do_page_cache_readahead+0x663/0x810
[  437.908410]  kmem_cache_alloc_node+0xe3/0x730
[  437.913930]  ? find_held_lock+0x36/0x1c0
[  437.917800]  ? lockdep_hardirqs_on+0x296/0x5b0
[  437.921847]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  437.925562]  __alloc_skb+0x119/0x770
[  437.929945]  alloc_pages_current+0x173/0x350
[  437.933640]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  437.937600]  __page_cache_alloc+0x38c/0x5c0
[  437.941295]  ? netdev_alloc_frag+0x1f0/0x1f0
[  437.945777]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  437.950868]  ? lock_acquire+0x1ed/0x520
[  437.955346]  ? kasan_check_read+0x11/0x20
[  437.959389]  ? aoecmd_cfg+0x108/0x7f0
[  437.963958]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  437.969481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.973181]  ? generic_perform_write+0x6a0/0x6a0
[  437.977577]  ? check_preemption_disabled+0x48/0x280
[  437.982923]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.987232]  ? kasan_check_read+0x11/0x20
[  437.991624]  ? check_preemption_disabled+0x48/0x280
[  437.996559]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.000522]  filemap_fault+0x1595/0x25f0
[  438.004650]  ? rcu_softirq_qs+0x20/0x20
[  438.008444]  ? __lock_page_or_retry+0xa00/0xa00
[  438.013699]  ? do_raw_spin_trylock+0x270/0x270
[  438.019225]  ? mark_held_locks+0x130/0x130
[  438.023962]  new_skb+0x26/0x1c0
[  438.028971]  ? filemap_map_pages+0xd6b/0x1a20
[  438.034503]  aoecmd_cfg+0x279/0x7f0
[  438.038636]  ? lock_downgrade+0x900/0x900
[  438.043637]  ? find_held_lock+0x36/0x1c0
[  438.048932]  ? check_preemption_disabled+0x48/0x280
[  438.052991]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  438.056954]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  438.061608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.066177]  ? kasan_check_read+0x11/0x20
[  438.070398]  ? check_preemption_disabled+0x48/0x280
[  438.073660]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.078144]  ? __lock_is_held+0xb5/0x140
[  438.081751]  ? rcu_softirq_qs+0x20/0x20
[  438.085909]  discover_timer+0x50/0x60
[  438.089960]  ? filemap_map_pages+0xd92/0x1a20
[  438.094954]  call_timer_fn+0x272/0x920
[  438.099270]  ? find_get_entries_tag+0x1400/0x1400
[  438.104180]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  438.109707]  ? ep_scan_ready_list+0xbc7/0x1050
[  438.113839]  ? process_timeout+0x40/0x40
[  438.118844]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.124103]  ? __run_timers+0x7da/0xc70
[  438.128158]  ? lock_acquire+0x1ed/0x520
[  438.132104]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.135887]  ? ext4_filemap_fault+0x7a/0xad
[  438.140365]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.144245]  ? lock_release+0xa00/0xa00
[  438.149071]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  438.153904]  ? perf_trace_sched_process_exec+0x860/0x860
[  438.158468]  ? lockdep_hardirqs_on+0x296/0x5b0
[  438.162511]  ? print_usage_bug+0xc0/0xc0
[  438.167616]  ? trace_hardirqs_on+0xbd/0x310
[  438.171573]  ? print_usage_bug+0xc0/0xc0
[  438.175539]  ? kasan_check_read+0x11/0x20
[  438.180029]  ? down_read+0x8d/0x120
[  438.184326]  ? __run_timers+0x7da/0xc70
[  438.188818]  ? ext4_filemap_fault+0x7a/0xad
[  438.192795]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.197622]  ? __down_interruptible+0x700/0x700
[  438.203069]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  438.207631]  ext4_filemap_fault+0x82/0xad
[  438.211675]  __run_timers+0x7e5/0xc70
[  438.216001]  __do_fault+0x100/0x6b0
[  438.220072]  ? timer_fixup_init+0x70/0x70
[  438.224205]  ? pmd_devmap_trans_unstable+0x220/0x220
[  438.227821]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  438.231778]  ? mark_held_locks+0x130/0x130
[  438.236082]  ? zap_class+0x640/0x640
[  438.241169]  ? mark_held_locks+0x130/0x130
[  438.245821]  ? enqueue_hrtimer+0x1a5/0x560
[  438.250647]  ? kasan_check_read+0x11/0x20
[  438.254778]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  438.258564]  ? ep_poll+0xffa/0x13d0
[  438.262180]  ? find_held_lock+0x36/0x1c0
[  438.266315]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.271403]  ? zap_class+0x640/0x640
[  438.276408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.280629]  ? pvclock_read_flags+0x160/0x160
[  438.284327]  __handle_mm_fault+0x3ea0/0x5be0
[  438.288550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.292780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.296930]  ? check_preemption_disabled+0x48/0x280
[  438.302124]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  438.305737]  ? __lock_is_held+0xb5/0x140
[  438.309779]  ? do_epoll_create+0x590/0x590
[  438.314871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.318569]  ? kasan_check_read+0x11/0x20
[  438.324090]  ? check_preemption_disabled+0x48/0x280
[  438.328569]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.332962]  run_timer_softirq+0x52/0xb0
[  438.338483]  ? rcu_softirq_qs+0x20/0x20
[  438.344011]  ? rcu_read_lock_sched_held+0x14f/0x180
[  438.349031]  ? zap_class+0x640/0x640
[  438.353849]  __do_softirq+0x308/0xb7e
[  438.357896]  ? zap_class+0x640/0x640
[  438.362120]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  438.367642]  ? find_held_lock+0x36/0x1c0
[  438.371772]  ? lock_downgrade+0x900/0x900
[  438.376777]  ? handle_mm_fault+0x42a/0xc70
[  438.382045]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  438.386096]  ? lock_downgrade+0x900/0x900
[  438.390064]  ? pvclock_read_flags+0x160/0x160
[  438.395077]  ? check_preemption_disabled+0x48/0x280
[  438.398803]  ? lapic_next_event+0x5a/0x90
[  438.402586]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  438.406290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.410766]  ? kasan_check_read+0x11/0x20
[  438.414812]  ? kvm_clock_read+0x18/0x30
[  438.418943]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.423162]  ? kvm_sched_clock_read+0x9/0x20
[  438.428250]  ? rcu_softirq_qs+0x20/0x20
[  438.432387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.436870]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.441870]  ? check_preemption_disabled+0x48/0x280
[  438.445999]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.450921]  irq_exit+0x17f/0x1c0
[  438.456439]  ? check_preemption_disabled+0x48/0x280
[  438.460574]  smp_apic_timer_interrupt+0x1cb/0x760
[  438.464540]  handle_mm_fault+0x54f/0xc70
[  438.469805]  ? smp_reschedule_interrupt+0x109/0x650
[  438.474203]  ? __handle_mm_fault+0x5be0/0x5be0
[  438.478162]  ? smp_call_function_single_interrupt+0x650/0x650
[  438.483725]  ? find_vma+0x34/0x190
[  438.488815]  ? interrupt_entry+0xb5/0xc0
[  438.493820]  __do_page_fault+0x5e8/0xe60
[  438.499339]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.502775]  ? trace_hardirqs_off+0xb8/0x310
[  438.507776]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.512604]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  438.516653]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.521677]  do_page_fault+0xf2/0x7e0
[  438.526244]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.532114]  ? vmalloc_sync_all+0x30/0x30
[  438.535642]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.539686]  ? error_entry+0x70/0xd0
[  438.543736]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.548751]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.553148]  apic_timer_interrupt+0xf/0x20
[  438.558149]  ? trace_hardirqs_on_caller+0xc0/0x310
[  438.563661]  </IRQ>
[  438.568500]  ? syscall_return_slowpath+0x5e0/0x5e0
[  438.572291] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  438.577288]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.581422] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  438.586424]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.590119] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  438.594952]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  438.599947] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  438.604176]  ? prepare_exit_to_usermode+0x291/0x3b0
[  438.609086] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  438.611775]  ? page_fault+0x8/0x30
[  438.616686] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  438.621607]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.626434] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  438.645328]  ? page_fault+0x8/0x30
[  438.650327] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  438.658031]  page_fault+0x1e/0x30
[  438.663498]  skb_clone+0x1bb/0x500
[  438.670732] RIP: 0033:0x45df89
[  438.675741]  ? finish_task_switch+0x2f4/0x910
[  438.683005] Code: Bad RIP value.
[  438.686542]  ? skb_split+0x11e0/0x11e0
[  438.693792] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  438.698629]  ? preempt_notifier_register+0x200/0x200
[  438.705878] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  438.709409]  ? __switch_to_asm+0x34/0x70
[  438.716662] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  438.720102]  ? __switch_to_asm+0x34/0x70
[  438.723624] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  438.726805]  ? __switch_to_asm+0x40/0x70
[  438.731280] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  438.734636]  ? __switch_to_asm+0x34/0x70
[  438.738505] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  438.744345]  ? __switch_to_asm+0x40/0x70
[  438.744360]  ? __switch_to_asm+0x34/0x70
[  438.749473] rcu: rcu_preempt kthread starved for 10421 jiffies! g27677 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[  438.756709]  ? __switch_to_asm+0x40/0x70
[  438.760747] rcu: RCU grace-period kthread stack dump:
[  438.768011]  ? __switch_to_asm+0x34/0x70
[  438.772065] rcu_preempt     R  running task    22696    10      2 0x80000000
[  438.779334]  ? __switch_to_asm+0x34/0x70
[  438.783372] Call Trace:
[  438.790640]  ? __switch_to_asm+0x40/0x70
[  438.794687]  __schedule+0x8cf/0x21d0
[  438.801941]  ? __switch_to_asm+0x34/0x70
[  438.805992]  ? __sched_text_start+0x8/0x8
[  438.810041]  bpf_clone_redirect+0xb9/0x490
[  438.820517]  ? add_timer_on+0xa20/0xa20
[  438.824561]  ? __schedule+0x8d7/0x21d0
[  438.829739]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  438.833809]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  438.840982]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  438.845036]  ? __sched_text_start+0x8/0x8
[  438.847613]  ? trace_hardirqs_on+0xbd/0x310
[  438.851662]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  438.855359]  ? kasan_check_read+0x11/0x20
[  438.859403]  ? retint_kernel+0x2d/0x2d
[  438.863572]  ? prepare_to_swait_event+0x25a/0x800
[  438.867792]  ? trace_hardirqs_on_caller+0xc0/0x310
[  438.871750]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.875622]  ? find_held_lock+0x36/0x1c0
[  438.880707]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  438.885710]  ? lock_acquire+0x1ed/0x520
[  438.890793]  schedule+0xfe/0x460
[  438.894924]  ? bpf_test_run+0x3cb/0x780
[  438.899233]  ? __schedule+0x21d0/0x21d0
[  438.903801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.907935]  ? prepare_to_swait_event+0x25a/0x800
[  438.911807]  ? check_preemption_disabled+0x48/0x280
[  438.916634]  ? __init_swait_queue_head+0x150/0x150
[  438.921555]  ? kasan_check_read+0x11/0x20
[  438.926638]  ? __lockdep_init_map+0x105/0x590
[  438.930687]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.935771]  ? lockdep_init_map+0x9/0x10
[  438.939756]  ? rcu_softirq_qs+0x20/0x20
[  438.943119]  schedule_timeout+0x140/0x260
[  438.947073]  ? preempt_schedule+0x4d/0x60
[  438.951044]  ? usleep_range+0x1a0/0x1a0
[  438.956568]  ? ___preempt_schedule+0x16/0x18
[  438.961392]  ? __next_timer_interrupt+0x1a0/0x1a0
[  438.966400]  ? bpf_test_run+0x25d/0x780
[  438.971319]  rcu_gp_fqs_loop+0x762/0xa80
[  438.975444]  ? netlink_diag_dump+0x2a0/0x2a0
[  438.979922]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  438.985185]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.989231]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.993195]  ? bpf_test_init.isra.10+0x70/0x100
[  438.997416]  ? perf_trace_sched_process_exec+0x860/0x860
[  439.001558]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  439.005515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.009908]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  439.014734]  ? rcu_gp_init+0x90b/0x1260
[  439.018689]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  439.022739]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  439.027143]  ? fput+0x130/0x1a0
[  439.031885]  ? rcu_accelerate_cbs+0x562/0xae0
[  439.037406]  ? __bpf_prog_get+0x9b/0x290
[  439.042497]  ? zap_class+0x640/0x640
[  439.047149]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  439.052587]  ? zap_class+0x640/0x640
[  439.057323]  ? bpf_prog_test_run+0x130/0x1a0
[  439.062855]  ? __lock_is_held+0xb5/0x140
[  439.067682]  ? __x64_sys_bpf+0x3d8/0x520
[  439.071645]  ? __lock_is_held+0xb5/0x140
[  439.077168]  ? bpf_prog_get+0x20/0x20
[  439.081911]  ? zap_class+0x640/0x640
[  439.085191]  ? do_syscall_64+0x1b9/0x820
[  439.089662]  ? rcu_accelerate_cbs+0x562/0xae0
[  439.093703]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  439.097405]  ? find_held_lock+0x36/0x1c0
[  439.102229]  ? syscall_return_slowpath+0x5e0/0x5e0
[  439.105933]  ? rcu_gp_kthread+0x8cf/0xc70
[  439.110324]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.114371]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.118437]  ? trace_hardirqs_on_caller+0x310/0x310
[  439.122479]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.126296]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  439.129997]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  439.134059]  ? prepare_exit_to_usermode+0x291/0x3b0
[  439.138571]  ? trace_hardirqs_on+0xbd/0x310
[  439.143922]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.147970]  ? kasan_check_read+0x11/0x20
[  439.152884]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  439.157021]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.161917] aoe: skb alloc failure
[  439.166320]  ? perf_trace_sched_process_exec+0x860/0x860
[  439.166338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.166364]  rcu_gp_kthread+0x341/0xc70
[  439.171382] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  439.175844]  ? rcu_gp_init+0x1260/0x1260
[  439.180830] syz-executor2 cpuset=syz2 mems_allowed=0
[  439.185410]  ? mark_held_locks+0x130/0x130
[  439.190410] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  439.194715]  ? __schedule+0x168a/0x21d0
[  439.199539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  439.203671]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.209010] Call Trace:
[  439.214121]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  439.217637]  <IRQ>
[  439.223088]  ? trace_hardirqs_on+0xbd/0x310
[  439.228607]  dump_stack+0x244/0x39d
[  439.232571]  ? kasan_check_read+0x11/0x20
[  439.243044]  ? dump_stack_print_info.cold.1+0x20/0x20
[  439.247095]  ? __schedule+0x168a/0x21d0
[  439.252193]  warn_alloc.cold.116+0xb7/0x1bd
[  439.256410]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.263774]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  439.267733]  ? lock_pin_lock+0x350/0x350
[  439.277075]  ? lock_downgrade+0x900/0x900
[  439.281559]  ? _raw_spin_unlock_irq+0x60/0x80
[  439.284135]  ? trace_hardirqs_off+0xb8/0x310
[  439.288696]  ? __schedule+0x168a/0x21d0
[  439.290831]  ? trace_hardirqs_off+0xb8/0x310
[  439.295138]  ? __switch_to_asm+0x40/0x70
[  439.298758]  __alloc_pages_slowpath+0x26e8/0x2e10
[  439.302886]  ? __switch_to_asm+0x40/0x70
[  439.308083]  ? warn_alloc+0x120/0x120
[  439.312027]  ? show_schedstat+0x731/0xf30
[  439.316335]  ? warn_alloc+0x120/0x120
[  439.321428]  ? __sched_text_start+0x8/0x8
[  439.326253]  ? __lock_acquire+0x62f/0x4c20
[  439.330303]  ? find_held_lock+0x36/0x1c0
[  439.334429]  ? warn_alloc+0x120/0x120
[  439.338916]  ? __kthread_parkme+0xce/0x1a0
[  439.343303]  ? print_usage_bug+0xc0/0xc0
[  439.347261]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  439.351657]  ? print_usage_bug+0xc0/0xc0
[  439.355705]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  439.360532]  ? mark_held_locks+0x130/0x130
[  439.364579]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  439.368370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.372503]  ? trace_hardirqs_on+0xbd/0x310
[  439.376291]  ? should_fail+0x22d/0xd01
[  439.380422]  ? kasan_check_read+0x11/0x20
[  439.384638]  ? zap_class+0x640/0x640
[  439.388684]  ? __kthread_parkme+0xce/0x1a0
[  439.392485]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.396703]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.400860]  ? __lock_acquire+0x62f/0x4c20
[  439.405958]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  439.409997]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.415092]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.419309]  ? should_fail+0x22d/0xd01
[  439.423876]  ? __kthread_parkme+0xfb/0x1a0
[  439.429406]  ? mark_held_locks+0x130/0x130
[  439.433707]  ? rcu_gp_init+0x1260/0x1260
[  439.437575]  ? mark_held_locks+0x130/0x130
[  439.441707]  kthread+0x35a/0x440
[  439.445404]  ? lock_downgrade+0x900/0x900
[  439.449714]  ? kthread_stop+0x900/0x900
[  439.454802]  ? zap_class+0x640/0x640
[  439.459892]  ret_from_fork+0x3a/0x50
[  439.464109]  ? zap_class+0x640/0x640
[  439.469301] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  439.474287]  ? zap_class+0x640/0x640
[  439.474300]  ? do_raw_spin_unlock+0xa7/0x330
[  439.474317]  ? trace_hardirqs_on+0x310/0x310
[  439.479889] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  439.483715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.487924] syz-fuzzer cpuset=/ mems_allowed=0
[  439.492156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.567723]  ? check_preemption_disabled+0x48/0x280
[  439.572756]  ? __lock_is_held+0xb5/0x140
[  439.576829]  __alloc_pages_nodemask+0xa80/0xde0
[  439.581500]  ? zap_class+0x640/0x640
[  439.585220]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  439.590251]  ? find_held_lock+0x36/0x1c0
[  439.594325]  ? ____cache_alloc_node+0x1c7/0x1e0
[  439.598996]  ? lock_downgrade+0x900/0x900
[  439.603163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.608712]  cache_grow_begin+0xa5/0x8c0
[  439.612773]  ? do_raw_spin_unlock+0xa7/0x330
[  439.617191]  fallback_alloc+0x204/0x2e0
[  439.621173]  ____cache_alloc_node+0x1c7/0x1e0
[  439.625675]  kmem_cache_alloc_node+0xe3/0x730
[  439.630172]  ? lockdep_hardirqs_on+0x296/0x5b0
[  439.634768]  __alloc_skb+0x119/0x770
[  439.638481]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  439.643850]  ? netdev_alloc_frag+0x1f0/0x1f0
[  439.648267]  ? vprintk_default+0x28/0x30
[  439.652333]  ? vprintk_func+0x85/0x181
[  439.656228]  ? printk+0xa7/0xcf
[  439.659508]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  439.664291]  ? do_raw_spin_trylock+0x270/0x270
[  439.668884]  new_skb+0x26/0x1c0
[  439.672167]  aoecmd_cfg+0x279/0x7f0
[  439.675800]  ? find_held_lock+0x36/0x1c0
[  439.679867]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  439.684201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.689756]  ? __lock_is_held+0xb5/0x140
[  439.693830]  discover_timer+0x50/0x60
[  439.697633]  call_timer_fn+0x272/0x920
[  439.701527]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  439.706375]  ? process_timeout+0x40/0x40
[  439.710444]  ? __run_timers+0x7da/0xc70
[  439.714421]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.718921]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.723418]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  439.728261]  ? lockdep_hardirqs_on+0x296/0x5b0
[  439.732845]  ? trace_hardirqs_on+0xbd/0x310
[  439.737171]  ? kasan_check_read+0x11/0x20
[  439.741322]  ? __run_timers+0x7da/0xc70
[  439.745298]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.750414]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  439.755256]  __run_timers+0x7e5/0xc70
[  439.759071]  ? timer_fixup_init+0x70/0x70
[  439.763226]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  439.768247]  ? zap_class+0x640/0x640
[  439.771967]  ? enqueue_hrtimer+0x1a5/0x560
[  439.776206]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  439.781492]  ? find_held_lock+0x36/0x1c0
[  439.785566]  ? zap_class+0x640/0x640
[  439.789287]  ? pvclock_read_flags+0x160/0x160
[  439.793788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.799327]  ? check_preemption_disabled+0x48/0x280
[  439.804358]  ? __lock_is_held+0xb5/0x140
[  439.808423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.813963]  ? check_preemption_disabled+0x48/0x280
[  439.818990]  run_timer_softirq+0x52/0xb0
[  439.823062]  ? rcu_read_lock_sched_held+0x14f/0x180
[  439.828086]  __do_softirq+0x308/0xb7e
[  439.831891]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  439.836390]  ? lock_downgrade+0x900/0x900
[  439.840552]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  439.845668]  ? pvclock_read_flags+0x160/0x160
[  439.850173]  ? lapic_next_event+0x5a/0x90
[  439.854329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.859878]  ? kvm_clock_read+0x18/0x30
[  439.863853]  ? kvm_sched_clock_read+0x9/0x20
[  439.868285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.873831]  ? check_preemption_disabled+0x48/0x280
[  439.878861]  irq_exit+0x17f/0x1c0
[  439.882322]  smp_apic_timer_interrupt+0x1cb/0x760
[  439.887184]  ? smp_reschedule_interrupt+0x109/0x650
[  439.892208]  ? smp_call_function_single_interrupt+0x650/0x650
[  439.898096]  ? interrupt_entry+0xb5/0xc0
[  439.902163]  ? trace_hardirqs_off_caller+0xbb/0x310
[  439.907185]  ? trace_hardirqs_off_caller+0xbb/0x310
[  439.912206]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.917051]  ? trace_hardirqs_on_caller+0x310/0x310
[  439.922071]  ? trace_hardirqs_on_caller+0x310/0x310
[  439.927104]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.931960]  apic_timer_interrupt+0xf/0x20
[  439.936189]  </IRQ>
[  439.938434] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  439.943366] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  439.962267] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  439.969976] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  439.977244] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  439.984512] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  439.991784] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  439.999058] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  440.006374]  skb_clone+0x1bb/0x500
[  440.010092]  ? finish_task_switch+0x2f4/0x910
[  440.014588]  ? skb_split+0x11e0/0x11e0
[  440.018479]  ? preempt_notifier_register+0x200/0x200
[  440.023587]  ? __switch_to_asm+0x34/0x70
[  440.027648]  ? __switch_to_asm+0x34/0x70
[  440.031712]  ? __switch_to_asm+0x40/0x70
[  440.035772]  ? __switch_to_asm+0x34/0x70
[  440.039831]  ? __switch_to_asm+0x40/0x70
[  440.043889]  ? __switch_to_asm+0x34/0x70
[  440.047949]  ? __switch_to_asm+0x40/0x70
[  440.052007]  ? __switch_to_asm+0x34/0x70
[  440.056079]  ? __switch_to_asm+0x34/0x70
[  440.060137]  ? __switch_to_asm+0x40/0x70
[  440.064198]  ? __switch_to_asm+0x34/0x70
[  440.068265]  bpf_clone_redirect+0xb9/0x490
[  440.072504]  ? __schedule+0x8d7/0x21d0
[  440.076406]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  440.081424]  ? __sched_text_start+0x8/0x8
[  440.085581]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  440.090173]  ? retint_kernel+0x2d/0x2d
[  440.094068]  ? trace_hardirqs_on_caller+0xc0/0x310
[  440.099005]  ? find_held_lock+0x36/0x1c0
[  440.103087]  ? lock_acquire+0x1ed/0x520
[  440.107073]  ? bpf_test_run+0x3cb/0x780
[  440.111050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.116592]  ? check_preemption_disabled+0x48/0x280
[  440.121620]  ? kasan_check_read+0x11/0x20
[  440.125769]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.131052]  ? rcu_softirq_qs+0x20/0x20
[  440.135037]  ? preempt_schedule+0x4d/0x60
[  440.139193]  ? ___preempt_schedule+0x16/0x18
[  440.143613]  ? bpf_test_run+0x25d/0x780
[  440.147601]  ? netlink_diag_dump+0x2a0/0x2a0
[  440.152024]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.157570]  ? bpf_test_init.isra.10+0x70/0x100
[  440.162249]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  440.167026]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  440.171872]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  440.177429]  ? fput+0x130/0x1a0
[  440.180713]  ? __bpf_prog_get+0x9b/0x290
[  440.184780]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  440.189622]  ? bpf_prog_test_run+0x130/0x1a0
[  440.194042]  ? __x64_sys_bpf+0x3d8/0x520
[  440.198107]  ? bpf_prog_get+0x20/0x20
[  440.201961]  ? do_syscall_64+0x1b9/0x820
[  440.206032]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  440.211405]  ? syscall_return_slowpath+0x5e0/0x5e0
[  440.216421]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.221270]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.226288]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  440.231344]  ? prepare_exit_to_usermode+0x291/0x3b0
[  440.236367]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.241222]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  440.246612] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  440.246617] warn_alloc_show_mem: 1 callbacks suppressed
[  440.246625] Mem-Info:
[  440.253628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  440.253637] Call Trace:
[  440.259019] active_anon:51179 inactive_anon:236 isolated_anon:0
[  440.259019]  active_file:17 inactive_file:9 isolated_file:0
[  440.259019]  unevictable:0 dirty:0 writeback:0 unstable:0
[  440.259019]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  440.259019]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  440.259019]  free:13694 free_pcp:258 free_cma:0
[  440.261392]  <IRQ>
[  440.270757] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  440.273355]  dump_stack+0x244/0x39d
[  440.306128] 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
[  440.308286]  ? dump_stack_print_info.cold.1+0x20/0x20
[  440.335746] lowmem_reserve[]: 0 2818 6321 6321
[  440.339465]  warn_alloc.cold.116+0xb7/0x1bd
[  440.365805] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  440.370995]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  440.375552] lowmem_reserve[]: 0 0 3503 3503
[  440.379871]  ? lock_downgrade+0x900/0x900
[  440.406998] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  440.411854]  ? trace_hardirqs_off+0xb8/0x310
[  440.416144] lowmem_reserve[]: 0 0 0 0
[  440.420293]  ? trace_hardirqs_off+0xb8/0x310
[  440.449246] 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
[  440.453658]  __alloc_pages_slowpath+0x26e8/0x2e10
[  440.457427] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  440.461854]  ? warn_alloc+0x120/0x120
[  440.475334] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  440.480177]  ? print_usage_bug+0xc0/0xc0
[  440.495347] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  440.499140]  ? warn_alloc+0x120/0x120
[  440.513340] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  440.517394]  ? warn_alloc+0x120/0x120
[  440.526203] 309 total pagecache pages
[  440.530001]  ? print_usage_bug+0xc0/0xc0
[  440.538571] 0 pages in swap cache
[  440.542363]  ? print_usage_bug+0xc0/0xc0
[  440.546141] Swap cache stats: add 0, delete 0, find 0/0
[  440.550210]  ? __lock_acquire+0x62f/0x4c20
[  440.553638] Free swap  = 0kB
[  440.557697]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.563047] Total swap = 0kB
[  440.563055] 1965979 pages RAM
[  440.567291]  ? should_fail+0x22d/0xd01
[  440.570284] 0 pages HighMem/MovableOnly
[  440.575817]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.578824] 342853 pages reserved
[  440.581927]  ? __lock_acquire+0x62f/0x4c20
[  440.585788] 0 pages cma reserved
[  440.589759]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.594910] aoe: skb alloc failure
[  440.598288]  ? __lock_acquire+0x62f/0x4c20
[  440.598305]  ? should_fail+0x22d/0xd01
[  440.602593] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  440.605883]  ? find_held_lock+0x36/0x1c0
[  440.611133] syz-executor2 cpuset=syz2 mems_allowed=0
[  440.614675]  ? mark_held_locks+0x130/0x130
[  440.646595]  ? mark_held_locks+0x130/0x130
[  440.650834]  ? zap_class+0x640/0x640
[  440.654549]  ? zap_class+0x640/0x640
[  440.658300]  ? print_usage_bug+0xc0/0xc0
[  440.662452]  ? do_raw_spin_unlock+0xa7/0x330
[  440.666865]  ? zap_class+0x640/0x640
[  440.670588]  ? print_usage_bug+0xc0/0xc0
[  440.674651]  ? wq_watchdog_touch+0x9c/0xfe
[  440.678893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.684440]  ? check_preemption_disabled+0x48/0x280
[  440.689470]  ? __lock_is_held+0xb5/0x140
[  440.693542]  __alloc_pages_nodemask+0xa80/0xde0
[  440.698215]  ? zap_class+0x640/0x640
[  440.701937]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  440.706965]  ? find_held_lock+0x36/0x1c0
[  440.711051]  ? ____cache_alloc_node+0x1c7/0x1e0
[  440.715724]  ? lock_downgrade+0x900/0x900
[  440.719881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.725426]  cache_grow_begin+0xa5/0x8c0
[  440.729490]  ? do_raw_spin_unlock+0xa7/0x330
[  440.733913]  fallback_alloc+0x204/0x2e0
[  440.737913]  ____cache_alloc_node+0x1c7/0x1e0
[  440.742589]  kmem_cache_alloc_node+0xe3/0x730
[  440.747090]  ? ipv6_get_ifaddr+0x42e/0x620
[  440.751340]  __alloc_skb+0x119/0x770
[  440.755059]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.760349]  ? netdev_alloc_frag+0x1f0/0x1f0
[  440.764761]  ? lock_downgrade+0x900/0x900
[  440.768924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.774464]  ? refcount_sub_and_test_checked+0x203/0x310
[  440.779922]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  440.785377]  ? addrconf_rs_timer+0x690/0x690
[  440.789891]  ndisc_alloc_skb+0x144/0x340
[  440.793959]  ndisc_send_rs+0x331/0x6e0
[  440.797852]  addrconf_rs_timer+0x314/0x690
[  440.802095]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.806341]  call_timer_fn+0x272/0x920
[  440.810230]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.814465]  ? process_timeout+0x40/0x40
[  440.818539]  ? mark_held_locks+0xc7/0x130
[  440.822691]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.827188]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.831683]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.835926]  ? lockdep_hardirqs_on+0x296/0x5b0
[  440.840517]  ? trace_hardirqs_on+0xbd/0x310
[  440.844840]  ? kasan_check_read+0x11/0x20
[  440.848991]  ? __run_timers+0x7da/0xc70
[  440.852975]  ? trace_hardirqs_off_caller+0x310/0x310
[  440.858085]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.862328]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  440.866586]  __run_timers+0x7e5/0xc70
[  440.870402]  ? timer_fixup_init+0x70/0x70
[  440.874553]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  440.879573]  ? zap_class+0x640/0x640
[  440.883297]  ? print_usage_bug+0xc0/0xc0
[  440.887365]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  440.892565]  ? find_held_lock+0x36/0x1c0
[  440.896638]  ? zap_class+0x640/0x640
[  440.900359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.905903]  ? check_preemption_disabled+0x48/0x280
[  440.910931]  ? __lock_is_held+0xb5/0x140
[  440.915000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.920557]  ? check_preemption_disabled+0x48/0x280
[  440.925593]  run_timer_softirq+0x52/0xb0
[  440.929701]  ? rcu_read_lock_sched_held+0x14f/0x180
[  440.934722]  __do_softirq+0x308/0xb7e
[  440.938528]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  440.943031]  ? lock_downgrade+0x900/0x900
[  440.947192]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  440.952306]  ? pvclock_read_flags+0x160/0x160
[  440.956809]  ? lapic_next_event+0x5a/0x90
[  440.960987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.966555]  ? kvm_clock_read+0x18/0x30
[  440.970531]  ? kvm_sched_clock_read+0x9/0x20
[  440.974947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.980489]  ? check_preemption_disabled+0x48/0x280
[  440.985520]  irq_exit+0x17f/0x1c0
[  440.988978]  smp_apic_timer_interrupt+0x1cb/0x760
[  440.993819]  ? smp_reschedule_interrupt+0x109/0x650
[  440.998838]  ? smp_call_function_single_interrupt+0x650/0x650
[  441.004727]  ? interrupt_entry+0xb5/0xc0
[  441.008795]  ? trace_hardirqs_off_caller+0xbb/0x310
[  441.013811]  ? trace_hardirqs_off_caller+0xbb/0x310
[  441.018829]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.023673]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.028691]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.033708]  ? task_prio+0x50/0x50
[  441.037251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.042793]  ? check_preemption_disabled+0x48/0x280
[  441.047821]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.052693]  apic_timer_interrupt+0xf/0x20
[  441.056925]  </IRQ>
[  441.059166] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  441.064360] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  441.083263] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  441.090971] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  441.098237] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  441.105509] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  441.112777] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  441.120053] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  441.127362]  retint_kernel+0x1b/0x2d
[  441.131086] RIP: 0010:dump_stack+0x358/0x39d
[  441.135498] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  441.154401] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  441.162109] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  441.169378] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  441.176645] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  441.183916] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  441.191184] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  441.198476]  ? dump_stack+0x34f/0x39d
[  441.202291]  ? dump_stack_print_info.cold.1+0x20/0x20
[  441.207485]  ? mark_held_locks+0x130/0x130
[  441.211720]  ? mark_held_locks+0x130/0x130
[  441.215963]  dump_header+0x27b/0xf72
[  441.219689]  ? pagefault_out_of_memory+0x197/0x197
[  441.224626]  ? __lock_acquire+0x62f/0x4c20
[  441.228866]  ? percpu_ref_get_many+0x240/0x240
[  441.233455]  ? print_usage_bug+0xc0/0xc0
[  441.237552]  ? zap_class+0x640/0x640
[  441.241284]  ? print_usage_bug+0xc0/0xc0
[  441.245343]  ? print_usage_bug+0xc0/0xc0
[  441.249410]  ? zap_class+0x640/0x640
[  441.253146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.258705]  ? find_held_lock+0x36/0x1c0
[  441.262775]  ? mark_held_locks+0xc7/0x130
[  441.266937]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  441.272053]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  441.277161]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  441.281747]  ? trace_hardirqs_on+0xbd/0x310
[  441.286086]  ? kasan_check_read+0x11/0x20
[  441.290248]  ? ___ratelimit+0x3b4/0x672
[  441.294224]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.299332]  ? trace_hardirqs_on+0x310/0x310
[  441.303746]  ? lock_downgrade+0x900/0x900
[  441.307899]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  441.313006]  ? ___ratelimit+0x3b9/0x672
[  441.316998]  ? idr_get_free+0xf70/0xf70
[  441.320987]  ? find_held_lock+0x36/0x1c0
[  441.325090]  oom_kill_process.cold.27+0x10/0x903
[  441.329847]  ? zap_class+0x640/0x640
[  441.333562]  ? check_preemption_disabled+0x48/0x280
[  441.338598]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  441.343555]  ? kasan_check_read+0x11/0x20
[  441.347704]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.352984]  ? oom_evaluate_task+0x540/0x540
[  441.357402]  ? find_held_lock+0x36/0x1c0
[  441.361473]  ? out_of_memory+0x974/0x1430
[  441.365642]  ? lock_downgrade+0x900/0x900
[  441.369804]  ? check_preemption_disabled+0x48/0x280
[  441.374826]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  441.379755]  ? kasan_check_read+0x11/0x20
[  441.383904]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.389196]  ? rcu_softirq_qs+0x20/0x20
[  441.393178]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.398712]  ? oom_evaluate_task+0x302/0x540
[  441.403126]  out_of_memory+0xa84/0x1430
[  441.407109]  ? oom_killer_disable+0x3a0/0x3a0
[  441.411607]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  441.416540]  ? __ww_mutex_check_waiters+0x160/0x160
[  441.421607]  __alloc_pages_slowpath+0x2354/0x2e10
[  441.426496]  ? warn_alloc+0x120/0x120
[  441.430297]  ? mark_held_locks+0x130/0x130
[  441.434541]  ? find_get_entry+0xaae/0x1120
[  441.438791]  ? filemap_map_pages+0x1a20/0x1a20
[  441.443379]  ? zap_class+0x640/0x640
[  441.447480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.453059]  ? check_preemption_disabled+0x48/0x280
[  441.458077]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.463614]  ? should_fail+0x22d/0xd01
[  441.467527]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  441.472646]  ? zap_class+0x640/0x640
[  441.476403]  ? __lock_is_held+0xb5/0x140
[  441.480481]  ? mark_held_locks+0x130/0x130
[  441.484722]  ? lock_release+0xa00/0xa00
[  441.488711]  ? perf_trace_sched_process_exec+0x860/0x860
[  441.494161]  ? xa_load+0x2ba/0x460
[  441.497703]  ? lock_downgrade+0x900/0x900
[  441.502043]  ? __might_sleep+0x95/0x190
[  441.506040]  __alloc_pages_nodemask+0xa80/0xde0
[  441.510716]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  441.515734]  ? __page_cache_alloc+0x191/0x5c0
[  441.520230]  ? xa_load+0x2e1/0x460
[  441.523775]  ? xa_clear_mark+0x40/0x40
[  441.527667]  ? zap_class+0x640/0x640
[  441.531393]  ? zap_class+0x640/0x640
[  441.535111]  ? zap_class+0x640/0x640
[  441.538829]  ? __do_page_cache_readahead+0x663/0x810
[  441.543937]  ? find_held_lock+0x36/0x1c0
[  441.548045]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  441.553593]  alloc_pages_current+0x173/0x350
[  441.558030]  __page_cache_alloc+0x38c/0x5c0
[  441.562359]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  441.567291]  ? kasan_check_read+0x11/0x20
[  441.571438]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.576716]  ? generic_perform_write+0x6a0/0x6a0
[  441.581474]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.587024]  ? check_preemption_disabled+0x48/0x280
[  441.592062]  filemap_fault+0x1595/0x25f0
[  441.596139]  ? __lock_page_or_retry+0xa00/0xa00
[  441.600815]  ? mark_held_locks+0x130/0x130
[  441.605065]  ? filemap_map_pages+0xd6b/0x1a20
[  441.609563]  ? lock_downgrade+0x900/0x900
[  441.613711]  ? check_preemption_disabled+0x48/0x280
[  441.618746]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  441.623675]  ? kasan_check_read+0x11/0x20
[  441.627823]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.633113]  ? rcu_softirq_qs+0x20/0x20
[  441.637148]  ? filemap_map_pages+0xd92/0x1a20
[  441.641659]  ? find_get_entries_tag+0x1400/0x1400
[  441.646503]  ? ep_scan_ready_list+0xbc7/0x1050
[  441.651089]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.656241]  ? lock_acquire+0x1ed/0x520
[  441.660221]  ? ext4_filemap_fault+0x7a/0xad
[  441.664554]  ? lock_release+0xa00/0xa00
[  441.668544]  ? perf_trace_sched_process_exec+0x860/0x860
[  441.673997]  ? print_usage_bug+0xc0/0xc0
[  441.678069]  ? print_usage_bug+0xc0/0xc0
[  441.682142]  ? down_read+0x8d/0x120
[  441.685768]  ? ext4_filemap_fault+0x7a/0xad
[  441.690090]  ? __down_interruptible+0x700/0x700
[  441.694772]  ext4_filemap_fault+0x82/0xad
[  441.698920]  __do_fault+0x100/0x6b0
[  441.702553]  ? pmd_devmap_trans_unstable+0x220/0x220
[  441.707664]  ? mark_held_locks+0x130/0x130
[  441.711900]  ? mark_held_locks+0x130/0x130
[  441.716134]  ? kasan_check_read+0x11/0x20
[  441.720286]  ? ep_poll+0xffa/0x13d0
[  441.723915]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.729030]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.734582]  __handle_mm_fault+0x3ea0/0x5be0
[  441.738994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.744552]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  441.749402]  ? do_epoll_create+0x590/0x590
[  441.753642]  ? kasan_check_read+0x11/0x20
[  441.757805]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.763097]  ? rcu_softirq_qs+0x20/0x20
[  441.767087]  ? zap_class+0x640/0x640
[  441.770837]  ? zap_class+0x640/0x640
[  441.774561]  ? find_held_lock+0x36/0x1c0
[  441.778662]  ? handle_mm_fault+0x42a/0xc70
[  441.782902]  ? lock_downgrade+0x900/0x900
[  441.787058]  ? check_preemption_disabled+0x48/0x280
[  441.792079]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  441.797051]  ? kasan_check_read+0x11/0x20
[  441.801200]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.806478]  ? rcu_softirq_qs+0x20/0x20
[  441.810455]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.815560]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.821105]  ? check_preemption_disabled+0x48/0x280
[  441.826162]  handle_mm_fault+0x54f/0xc70
[  441.830231]  ? __handle_mm_fault+0x5be0/0x5be0
[  441.834824]  ? find_vma+0x34/0x190
[  441.838374]  __do_page_fault+0x5e8/0xe60
[  441.842434]  ? trace_hardirqs_off+0xb8/0x310
[  441.846859]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  441.852423]  do_page_fault+0xf2/0x7e0
[  441.856241]  ? vmalloc_sync_all+0x30/0x30
[  441.860393]  ? error_entry+0x70/0xd0
[  441.864113]  ? trace_hardirqs_off_caller+0xbb/0x310
[  441.869128]  ? trace_hardirqs_on_caller+0xc0/0x310
[  441.874065]  ? syscall_return_slowpath+0x5e0/0x5e0
[  441.878994]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.883851]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.888899]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  441.894355]  ? prepare_exit_to_usermode+0x291/0x3b0
[  441.899369]  ? page_fault+0x8/0x30
[  441.902929]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.907773]  ? page_fault+0x8/0x30
[  441.911313]  page_fault+0x1e/0x30
[  441.914766] RIP: 0033:0x45df89
[  441.917971] Code: Bad RIP value.
[  441.921332] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  441.926693] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  441.933960] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  441.941228] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  441.948846] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  441.956115] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  441.963411] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  441.963476] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  441.970781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  441.970804] Call Trace:
[  441.977386] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  441.986640]  <IRQ>
[  441.989208] syz-fuzzer cpuset=/ mems_allowed=0
[  441.999427]  dump_stack+0x244/0x39d
[  442.009737]  ? dump_stack_print_info.cold.1+0x20/0x20
[  442.014937]  warn_alloc.cold.116+0xb7/0x1bd
[  442.019259]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  442.024127]  ? lock_downgrade+0x900/0x900
[  442.028285]  ? trace_hardirqs_off+0xb8/0x310
[  442.032702]  ? trace_hardirqs_off+0xb8/0x310
[  442.037137]  __alloc_pages_slowpath+0x26e8/0x2e10
[  442.042010]  ? warn_alloc+0x120/0x120
[  442.045829]  ? warn_alloc+0x120/0x120
[  442.049637]  ? warn_alloc+0x120/0x120
[  442.053443]  ? print_usage_bug+0xc0/0xc0
[  442.057525]  ? print_usage_bug+0xc0/0xc0
[  442.061594]  ? ktime_get+0x2c1/0x400
[  442.065316]  ? check_preemption_disabled+0x48/0x280
[  442.070329]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  442.074824]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.080360]  ? should_fail+0x22d/0xd01
[  442.084264]  ? kasan_check_read+0x11/0x20
[  442.088418]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.093525]  ? __lock_acquire+0x62f/0x4c20
[  442.097770]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.102890]  ? should_fail+0x22d/0xd01
[  442.106776]  ? print_usage_bug+0xc0/0xc0
[  442.110846]  ? mark_held_locks+0x130/0x130
[  442.115084]  ? mark_held_locks+0x130/0x130
[  442.119325]  ? check_preemption_disabled+0x48/0x280
[  442.124351]  ? zap_class+0x640/0x640
[  442.128072]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  442.132844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.138383]  ? check_preemption_disabled+0x48/0x280
[  442.143411]  ? __lock_is_held+0xb5/0x140
[  442.147479]  __alloc_pages_nodemask+0xa80/0xde0
[  442.152150]  ? zap_class+0x640/0x640
[  442.155869]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  442.160911]  ? find_held_lock+0x36/0x1c0
[  442.164999]  ? ____cache_alloc_node+0x1c7/0x1e0
[  442.169691]  ? lock_downgrade+0x900/0x900
[  442.173848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.179392]  cache_grow_begin+0xa5/0x8c0
[  442.183473]  ? do_raw_spin_unlock+0xa7/0x330
[  442.187896]  fallback_alloc+0x204/0x2e0
[  442.191883]  ____cache_alloc_node+0x1c7/0x1e0
[  442.196400]  kmem_cache_alloc_node+0xe3/0x730
[  442.200902]  ? lockdep_hardirqs_on+0x296/0x5b0
[  442.205494]  __alloc_skb+0x119/0x770
[  442.209210]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  442.214580]  ? netdev_alloc_frag+0x1f0/0x1f0
[  442.218998]  ? vprintk_default+0x28/0x30
[  442.223082]  ? vprintk_func+0x85/0x181
[  442.227001]  ? printk+0xa7/0xcf
[  442.230318]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  442.235083]  ? do_raw_spin_trylock+0x270/0x270
[  442.239671]  new_skb+0x26/0x1c0
[  442.242967]  aoecmd_cfg+0x279/0x7f0
[  442.246618]  ? find_held_lock+0x36/0x1c0
[  442.250695]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  442.255032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.260584]  ? __lock_is_held+0xb5/0x140
[  442.264671]  discover_timer+0x50/0x60
[  442.268477]  call_timer_fn+0x272/0x920
[  442.272364]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  442.277241]  ? process_timeout+0x40/0x40
[  442.281331]  ? __run_timers+0x7da/0xc70
[  442.285309]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.289804]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.294301]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  442.299146]  ? lockdep_hardirqs_on+0x296/0x5b0
[  442.303748]  ? trace_hardirqs_on+0xbd/0x310
[  442.308076]  ? kasan_check_read+0x11/0x20
[  442.312227]  ? __run_timers+0x7da/0xc70
[  442.316208]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.321342]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  442.326212]  __run_timers+0x7e5/0xc70
[  442.330035]  ? timer_fixup_init+0x70/0x70
[  442.334215]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  442.339234]  ? zap_class+0x640/0x640
[  442.342966]  ? enqueue_hrtimer+0x1a5/0x560
[  442.347209]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  442.352409]  ? find_held_lock+0x36/0x1c0
[  442.356477]  ? zap_class+0x640/0x640
[  442.360231]  ? pvclock_read_flags+0x160/0x160
[  442.364729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.370269]  ? check_preemption_disabled+0x48/0x280
[  442.375312]  ? __lock_is_held+0xb5/0x140
[  442.379378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.384916]  ? check_preemption_disabled+0x48/0x280
[  442.389940]  run_timer_softirq+0x52/0xb0
[  442.394003]  ? rcu_read_lock_sched_held+0x14f/0x180
[  442.399047]  __do_softirq+0x308/0xb7e
[  442.402854]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  442.407365]  ? lock_downgrade+0x900/0x900
[  442.411514]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  442.416628]  ? pvclock_read_flags+0x160/0x160
[  442.421143]  ? lapic_next_event+0x5a/0x90
[  442.425294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.430836]  ? kvm_clock_read+0x18/0x30
[  442.434811]  ? kvm_sched_clock_read+0x9/0x20
[  442.439225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.444768]  ? check_preemption_disabled+0x48/0x280
[  442.449794]  irq_exit+0x17f/0x1c0
[  442.453252]  smp_apic_timer_interrupt+0x1cb/0x760
[  442.458097]  ? smp_reschedule_interrupt+0x109/0x650
[  442.463128]  ? smp_call_function_single_interrupt+0x650/0x650
[  442.469045]  ? interrupt_entry+0xb5/0xc0
[  442.473111]  ? trace_hardirqs_off_caller+0xbb/0x310
[  442.478131]  ? trace_hardirqs_off_caller+0xbb/0x310
[  442.483147]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.487992]  ? trace_hardirqs_on_caller+0x310/0x310
[  442.493025]  ? trace_hardirqs_on_caller+0x310/0x310
[  442.498059]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.502931]  apic_timer_interrupt+0xf/0x20
[  442.507160]  </IRQ>
[  442.509400] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  442.514331] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  442.533231] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  442.540938] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  442.548207] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  442.555477] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  442.562744] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  442.570010] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  442.577345]  skb_clone+0x1bb/0x500
[  442.580891]  ? finish_task_switch+0x2f4/0x910
[  442.585388]  ? skb_split+0x11e0/0x11e0
[  442.589286]  ? preempt_notifier_register+0x200/0x200
[  442.594389]  ? __switch_to_asm+0x34/0x70
[  442.598448]  ? __switch_to_asm+0x34/0x70
[  442.602594]  ? __switch_to_asm+0x40/0x70
[  442.606656]  ? __switch_to_asm+0x34/0x70
[  442.610776]  ? __switch_to_asm+0x40/0x70
[  442.614828]  ? __switch_to_asm+0x34/0x70
[  442.618907]  ? __switch_to_asm+0x40/0x70
[  442.622970]  ? __switch_to_asm+0x34/0x70
[  442.627050]  ? __switch_to_asm+0x34/0x70
[  442.631110]  ? __switch_to_asm+0x40/0x70
[  442.635168]  ? __switch_to_asm+0x34/0x70
[  442.639236]  bpf_clone_redirect+0xb9/0x490
[  442.643477]  ? __schedule+0x8d7/0x21d0
[  442.647376]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  442.652395]  ? __sched_text_start+0x8/0x8
[  442.656552]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  442.661136]  ? retint_kernel+0x2d/0x2d
[  442.665031]  ? trace_hardirqs_on_caller+0xc0/0x310
[  442.669970]  ? find_held_lock+0x36/0x1c0
[  442.674046]  ? lock_acquire+0x1ed/0x520
[  442.678031]  ? bpf_test_run+0x3cb/0x780
[  442.682024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.687613]  ? check_preemption_disabled+0x48/0x280
[  442.692653]  ? kasan_check_read+0x11/0x20
[  442.696802]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.702081]  ? rcu_softirq_qs+0x20/0x20
[  442.706074]  ? preempt_schedule+0x4d/0x60
[  442.710224]  ? ___preempt_schedule+0x16/0x18
[  442.714641]  ? bpf_test_run+0x25d/0x780
[  442.718654]  ? netlink_diag_dump+0x2a0/0x2a0
[  442.723069]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.728608]  ? bpf_test_init.isra.10+0x70/0x100
[  442.733310]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  442.738078]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  442.743387]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  442.748923]  ? fput+0x130/0x1a0
[  442.752218]  ? __bpf_prog_get+0x9b/0x290
[  442.756284]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  442.761128]  ? bpf_prog_test_run+0x130/0x1a0
[  442.765548]  ? __x64_sys_bpf+0x3d8/0x520
[  442.769616]  ? bpf_prog_get+0x20/0x20
[  442.773442]  ? do_syscall_64+0x1b9/0x820
[  442.777505]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  442.782872]  ? syscall_return_slowpath+0x5e0/0x5e0
[  442.787801]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.792661]  ? trace_hardirqs_on_caller+0x310/0x310
[  442.797693]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  442.802714]  ? prepare_exit_to_usermode+0x291/0x3b0
[  442.807749]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.812614]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  442.817992] warn_alloc_show_mem: 1 callbacks suppressed
[  442.818005] CPU: 0 PID: 6137 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #145
[  442.818007] Mem-Info:
[  442.818048] active_anon:51179 inactive_anon:236 isolated_anon:0
[  442.818048]  active_file:17 inactive_file:9 isolated_file:0
[  442.818048]  unevictable:0 dirty:0 writeback:0 unstable:0
[  442.818048]  slab_reclaimable:9362 slab_unreclaimable:1467319
[  442.818048]  mapped:16386 shmem:283 pagetables:457 bounce:0
[  442.818048]  free:13694 free_pcp:258 free_cma:0
[  442.823391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  442.830451] Node 0 active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:65544kB dirty:0kB writeback:0kB shmem:1132kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 190464kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  442.832846] Call Trace:
[  442.865626] 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
[  442.874975]  <IRQ>
[  442.902459] lowmem_reserve[]: 0 2818 6321 6321
[  442.905064]  dump_stack+0x244/0x39d
[  442.931498] Node 0 DMA32 free:24972kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  442.933650]  ? dump_stack_print_info.cold.1+0x20/0x20
[  442.938204] lowmem_reserve[]: 0 0 3503 3503
[  442.941833]  warn_alloc.cold.116+0xb7/0x1bd
[  442.968967] Node 0 Normal free:13896kB min:37364kB low:46704kB high:56044kB active_anon:204716kB inactive_anon:944kB active_file:68kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1828kB bounce:0kB free_pcp:1032kB local_pcp:248kB free_cma:0kB
[  442.974151]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  442.978462] lowmem_reserve[]: 0 0 0 0
[  442.982795]  ? lock_downgrade+0x900/0x900
[  443.011741] 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
[  443.016580]  ? trace_hardirqs_off+0xb8/0x310
[  443.020349] Node 0 DMA32: 5*4kB (UM) 1*8kB (M) 1*16kB (M) 3*32kB (M) 4*64kB (UM) 2*128kB (M) 3*256kB (UM) 2*512kB (M) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 24972kB
[  443.024490]  ? trace_hardirqs_off+0xb8/0x310
[  443.037989] Node 0 Normal: 834*4kB (ME) 446*8kB (ME) 179*16kB (UME) 71*32kB (ME) 13*64kB (M) 0*128kB 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 13896kB
[  443.042415]  __alloc_pages_slowpath+0x26e8/0x2e10
[  443.057567] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  443.061990]  ? warn_alloc+0x120/0x120
[  443.076195] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  443.081041]  ? print_usage_bug+0xc0/0xc0
[  443.089850] 309 total pagecache pages
[  443.093646]  ? warn_alloc+0x120/0x120
[  443.102232] 0 pages in swap cache
[  443.106284]  ? warn_alloc+0x120/0x120
[  443.110080] Swap cache stats: add 0, delete 0, find 0/0
[  443.113868]  ? print_usage_bug+0xc0/0xc0
[  443.117296] Free swap  = 0kB
[  443.121091]  ? kvm_clock_read+0x18/0x30
[  443.126447] Total swap = 0kB
[  443.130500]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  443.133492] 1965979 pages RAM
[  443.137459]  ? print_usage_bug+0xc0/0xc0
[  443.140451] 0 pages HighMem/MovableOnly
[  443.145459]  ? __lock_acquire+0x62f/0x4c20
[  443.148542] 342853 pages reserved
[  443.152592]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.156555] 0 pages cma reserved
[  443.160800]  ? should_fail+0x22d/0xd01
[  443.164309] aoe: skb alloc failure
[  443.169765]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.169784]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.173189] syz-executor2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  443.177007]  ? __lock_acquire+0x62f/0x4c20
[  443.180543] syz-executor2 cpuset=syz2 mems_allowed=0
[  443.185812]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.215768]  ? __lock_acquire+0x62f/0x4c20
[  443.220090]  ? should_fail+0x22d/0xd01
[  443.223978]  ? rcu_irq_exit+0x1a2/0x390
[  443.227962]  ? mark_held_locks+0x130/0x130
[  443.232206]  ? mark_held_locks+0x130/0x130
[  443.236448]  ? mark_held_locks+0xc7/0x130
[  443.240596]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  443.245613]  ? zap_class+0x640/0x640
[  443.249327]  ? print_usage_bug+0xc0/0xc0
[  443.253393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.258947]  ? check_preemption_disabled+0x48/0x280
[  443.263973]  ? __lock_is_held+0xb5/0x140
[  443.268069]  __alloc_pages_nodemask+0xa80/0xde0
[  443.272740]  ? zap_class+0x640/0x640
[  443.276461]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  443.281490]  ? find_held_lock+0x36/0x1c0
[  443.285562]  ? ____cache_alloc_node+0x1c7/0x1e0
[  443.290239]  ? lock_downgrade+0x900/0x900
[  443.294402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.299945]  cache_grow_begin+0xa5/0x8c0
[  443.304009]  ? do_raw_spin_unlock+0xa7/0x330
[  443.308443]  fallback_alloc+0x204/0x2e0
[  443.312423]  ____cache_alloc_node+0x1c7/0x1e0
[  443.316929]  kmem_cache_alloc_node+0xe3/0x730
[  443.321424]  ? ipv6_get_ifaddr+0x42e/0x620
[  443.325685]  __alloc_skb+0x119/0x770
[  443.329416]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.334701]  ? netdev_alloc_frag+0x1f0/0x1f0
[  443.339123]  ? lock_downgrade+0x900/0x900
[  443.343279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.348818]  ? refcount_sub_and_test_checked+0x203/0x310
[  443.354288]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  443.359739]  ? addrconf_rs_timer+0x690/0x690
[  443.364160]  ndisc_alloc_skb+0x144/0x340
[  443.368234]  ndisc_send_rs+0x331/0x6e0
[  443.372142]  addrconf_rs_timer+0x314/0x690
[  443.376431]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.380683]  call_timer_fn+0x272/0x920
[  443.384580]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.388817]  ? process_timeout+0x40/0x40
[  443.392891]  ? mark_held_locks+0xc7/0x130
[  443.397055]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.401551]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.406070]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.410303]  ? lockdep_hardirqs_on+0x296/0x5b0
[  443.414888]  ? trace_hardirqs_on+0xbd/0x310
[  443.419209]  ? kasan_check_read+0x11/0x20
[  443.423360]  ? __run_timers+0x7da/0xc70
[  443.427335]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.432459]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.436727]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.440973]  __run_timers+0x7e5/0xc70
[  443.444783]  ? timer_fixup_init+0x70/0x70
[  443.448937]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  443.453957]  ? zap_class+0x640/0x640
[  443.457678]  ? print_usage_bug+0xc0/0xc0
[  443.461781]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  443.466980]  ? find_held_lock+0x36/0x1c0
[  443.471063]  ? zap_class+0x640/0x640
[  443.474783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.480338]  ? check_preemption_disabled+0x48/0x280
[  443.485365]  ? __lock_is_held+0xb5/0x140
[  443.489432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.494974]  ? check_preemption_disabled+0x48/0x280
[  443.500045]  run_timer_softirq+0x52/0xb0
[  443.504113]  ? rcu_read_lock_sched_held+0x14f/0x180
[  443.509135]  __do_softirq+0x308/0xb7e
[  443.512940]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  443.517435]  ? lock_downgrade+0x900/0x900
[  443.521623]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  443.526759]  ? pvclock_read_flags+0x160/0x160
[  443.531255]  ? lapic_next_event+0x5a/0x90
[  443.535407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.540965]  ? kvm_clock_read+0x18/0x30
[  443.544943]  ? kvm_sched_clock_read+0x9/0x20
[  443.549371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.554923]  ? check_preemption_disabled+0x48/0x280
[  443.559967]  irq_exit+0x17f/0x1c0
[  443.563422]  smp_apic_timer_interrupt+0x1cb/0x760
[  443.568263]  ? smp_reschedule_interrupt+0x109/0x650
[  443.573282]  ? smp_call_function_single_interrupt+0x650/0x650
[  443.579166]  ? interrupt_entry+0xb5/0xc0
[  443.583230]  ? trace_hardirqs_off_caller+0xbb/0x310
[  443.588246]  ? trace_hardirqs_off_caller+0xbb/0x310
[  443.593263]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.598121]  ? trace_hardirqs_on_caller+0x310/0x310
[  443.603147]  ? trace_hardirqs_on_caller+0x310/0x310
[  443.608167]  ? task_prio+0x50/0x50
[  443.611742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.617280]  ? check_preemption_disabled+0x48/0x280
[  443.622305]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.627158]  apic_timer_interrupt+0xf/0x20
[  443.631388]  </IRQ>
[  443.633628] RIP: 0010:preempt_schedule_irq+0xaf/0x140
[  443.638820] Code: 00 e8 d5 b2 7b f9 e8 00 98 ab f9 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 75 73 48 83 3d 1a e1 77 01 00 74 61 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 f7 cd ff ff 41 80 7d 00 00 75 6c 48 83 3d f0 e0
[  443.657721] RSP: 0018:ffff8801b26e6100 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  443.665431] RAX: 1ffffffff12a3f78 RBX: 0000000000000000 RCX: 1ffff1003951998e
[  443.672698] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ca8ccbfc
[  443.679961] RBP: ffff8801b26e6128 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  443.687226] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: dffffc0000000000
[  443.694493] R13: fffffbfff12a3f77 R14: ffffffff8951fbc0 R15: ffffffff8951fbb8
[  443.701819]  retint_kernel+0x1b/0x2d
[  443.705537] RIP: 0010:dump_stack+0x358/0x39d
[  443.709962] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 51 94 ef f9 48 83 3d 89 b6 7e 01 00 0f 84 63 fe ff ff e8 7e 45 ac f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 45 ac f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  443.728859] RSP: 0018:ffff8801b26e61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff02
[  443.736582] RAX: ffff8801ca8cc380 RBX: 1ffffffff12a3f76 RCX: 1ffff1003951998e
[  443.743850] RDX: 0000000000000000 RSI: ffffffff87d34532 RDI: 0000000000000293
[  443.751117] RBP: ffff8801b26e6290 R08: ffff8801ca8ccc70 R09: 0000000000000006
[  443.758386] R10: 0000000000000000 R11: ffff8801ca8cc380 R12: 1ffff100364dcc45
[  443.765654] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  443.772957]  ? dump_stack+0x34f/0x39d
[  443.776773]  ? dump_stack_print_info.cold.1+0x20/0x20
[  443.781966]  ? mark_held_locks+0x130/0x130
[  443.786230]  ? mark_held_locks+0x130/0x130
[  443.790470]  dump_header+0x27b/0xf72
[  443.794200]  ? pagefault_out_of_memory+0x197/0x197
[  443.799166]  ? __lock_acquire+0x62f/0x4c20
[  443.803403]  ? percpu_ref_get_many+0x240/0x240
[  443.807989]  ? print_usage_bug+0xc0/0xc0
[  443.812074]  ? zap_class+0x640/0x640
[  443.815788]  ? print_usage_bug+0xc0/0xc0
[  443.819851]  ? print_usage_bug+0xc0/0xc0
[  443.823912]  ? zap_class+0x640/0x640
[  443.827634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.833176]  ? find_held_lock+0x36/0x1c0
[  443.837268]  ? mark_held_locks+0xc7/0x130
[  443.841418]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  443.846544]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  443.851652]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  443.856237]  ? trace_hardirqs_on+0xbd/0x310
[  443.860556]  ? kasan_check_read+0x11/0x20
[  443.864737]  ? ___ratelimit+0x3b4/0x672
[  443.868713]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.873817]  ? trace_hardirqs_on+0x310/0x310
[  443.878241]  ? lock_downgrade+0x900/0x900
[  443.882393]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  443.887502]  ? ___ratelimit+0x3b9/0x672
[  443.891477]  ? idr_get_free+0xf70/0xf70
[  443.895455]  ? find_held_lock+0x36/0x1c0
[  443.899526]  oom_kill_process.cold.27+0x10/0x903
[  443.904282]  ? zap_class+0x640/0x640
[  443.908010]  ? check_preemption_disabled+0x48/0x280
[  443.913055]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  443.918003]  ? kasan_check_read+0x11/0x20
[  443.922168]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.927451]  ? oom_evaluate_task+0x540/0x540
[  443.931869]  ? find_held_lock+0x36/0x1c0
[  443.935937]  ? out_of_memory+0x974/0x1430
[  443.940092]  ? lock_downgrade+0x900/0x900
[  443.944256]  ? check_preemption_disabled+0x48/0x280
[  443.949290]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  443.954218]  ? kasan_check_read+0x11/0x20
[  443.958369]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.963650]  ? rcu_softirq_qs+0x20/0x20
[  443.967628]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.973167]  ? oom_evaluate_task+0x302/0x540
[  443.977594]  out_of_memory+0xa84/0x1430
[  443.981595]  ? oom_killer_disable+0x3a0/0x3a0
[  443.986099]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  443.991059]  ? __ww_mutex_check_waiters+0x160/0x160
[  443.996089]  __alloc_pages_slowpath+0x2354/0x2e10
[  444.000964]  ? warn_alloc+0x120/0x120
[  444.004765]  ? mark_held_locks+0x130/0x130
[  444.009046]  ? find_get_entry+0xaae/0x1120
[  444.013300]  ? filemap_map_pages+0x1a20/0x1a20
[  444.017899]  ? zap_class+0x640/0x640
[  444.021623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.027160]  ? check_preemption_disabled+0x48/0x280
[  444.032180]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.037721]  ? should_fail+0x22d/0xd01
[  444.041643]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.046752]  ? zap_class+0x640/0x640
[  444.050495]  ? __lock_is_held+0xb5/0x140
[  444.054567]  ? mark_held_locks+0x130/0x130
[  444.058808]  ? lock_release+0xa00/0xa00
[  444.062785]  ? perf_trace_sched_process_exec+0x860/0x860
[  444.068241]  ? xa_load+0x2ba/0x460
[  444.071788]  ? lock_downgrade+0x900/0x900
[  444.075945]  ? __might_sleep+0x95/0x190
[  444.079925]  __alloc_pages_nodemask+0xa80/0xde0
[  444.084605]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  444.089623]  ? __page_cache_alloc+0x191/0x5c0
[  444.094132]  ? xa_load+0x2e1/0x460
[  444.097692]  ? xa_clear_mark+0x40/0x40
[  444.101583]  ? zap_class+0x640/0x640
[  444.105310]  ? zap_class+0x640/0x640
[  444.109028]  ? zap_class+0x640/0x640
[  444.112769]  ? __do_page_cache_readahead+0x663/0x810
[  444.117877]  ? find_held_lock+0x36/0x1c0
[  444.121957]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  444.127536]  alloc_pages_current+0x173/0x350
[  444.131954]  __page_cache_alloc+0x38c/0x5c0
[  444.136277]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.141207]  ? kasan_check_read+0x11/0x20
[  444.145356]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.150637]  ? generic_perform_write+0x6a0/0x6a0
[  444.155393]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.160944]  ? check_preemption_disabled+0x48/0x280
[  444.165973]  filemap_fault+0x1595/0x25f0
[  444.170059]  ? __lock_page_or_retry+0xa00/0xa00
[  444.174738]  ? mark_held_locks+0x130/0x130
[  444.178984]  ? filemap_map_pages+0xd6b/0x1a20
[  444.183492]  ? lock_downgrade+0x900/0x900
[  444.187639]  ? check_preemption_disabled+0x48/0x280
[  444.192690]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.197621]  ? kasan_check_read+0x11/0x20
[  444.201790]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.207071]  ? rcu_softirq_qs+0x20/0x20
[  444.211071]  ? filemap_map_pages+0xd92/0x1a20
[  444.215584]  ? find_get_entries_tag+0x1400/0x1400
[  444.220433]  ? ep_scan_ready_list+0xbc7/0x1050
[  444.225027]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.230153]  ? lock_acquire+0x1ed/0x520
[  444.234129]  ? ext4_filemap_fault+0x7a/0xad
[  444.238461]  ? lock_release+0xa00/0xa00
[  444.242434]  ? perf_trace_sched_process_exec+0x860/0x860
[  444.247890]  ? print_usage_bug+0xc0/0xc0
[  444.251957]  ? print_usage_bug+0xc0/0xc0
[  444.256055]  ? down_read+0x8d/0x120
[  444.259699]  ? ext4_filemap_fault+0x7a/0xad
[  444.264059]  ? __down_interruptible+0x700/0x700
[  444.268750]  ext4_filemap_fault+0x82/0xad
[  444.272901]  __do_fault+0x100/0x6b0
[  444.276536]  ? pmd_devmap_trans_unstable+0x220/0x220
[  444.281643]  ? mark_held_locks+0x130/0x130
[  444.285880]  ? mark_held_locks+0x130/0x130
[  444.290114]  ? kasan_check_read+0x11/0x20
[  444.294263]  ? ep_poll+0xffa/0x13d0
[  444.297892]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.303026]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.308574]  __handle_mm_fault+0x3ea0/0x5be0
[  444.312982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.318538]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  444.323389]  ? do_epoll_create+0x590/0x590
[  444.327624]  ? kasan_check_read+0x11/0x20
[  444.331767]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.337075]  ? rcu_softirq_qs+0x20/0x20
[  444.341092]  ? zap_class+0x640/0x640
[  444.344806]  ? zap_class+0x640/0x640
[  444.348530]  ? find_held_lock+0x36/0x1c0
[  444.352601]  ? handle_mm_fault+0x42a/0xc70
[  444.356842]  ? lock_downgrade+0x900/0x900
[  444.360992]  ? check_preemption_disabled+0x48/0x280
[  444.366057]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.370986]  ? kasan_check_read+0x11/0x20
[  444.375158]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.380448]  ? rcu_softirq_qs+0x20/0x20
[  444.384420]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.389531]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.395074]  ? check_preemption_disabled+0x48/0x280
[  444.400098]  handle_mm_fault+0x54f/0xc70
[  444.404164]  ? __handle_mm_fault+0x5be0/0x5be0
[  444.408758]  ? find_vma+0x34/0x190
[  444.412308]  __do_page_fault+0x5e8/0xe60
[  444.416372]  ? trace_hardirqs_off+0xb8/0x310
[  444.420780]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  444.426326]  do_page_fault+0xf2/0x7e0
[  444.430147]  ? vmalloc_sync_all+0x30/0x30
[  444.434312]  ? error_entry+0x70/0xd0
[  444.438043]  ? trace_hardirqs_off_caller+0xbb/0x310
[  444.443070]  ? trace_hardirqs_on_caller+0xc0/0x310
[  444.448000]  ? syscall_return_slowpath+0x5e0/0x5e0
[  444.452968]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.457879]  ? trace_hardirqs_on_caller+0x310/0x310
[  444.462925]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  444.468380]  ? prepare_exit_to_usermode+0x291/0x3b0
[  444.473395]  ? page_fault+0x8/0x30
[  444.476963]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.481806]  ? page_fault+0x8/0x30
[  444.485348]  page_fault+0x1e/0x30
[  444.488809] RIP: 0033:0x45df89
[  444.492024] Code: Bad RIP value.
[  444.495393] RSP: 002b:000000c42017b850 EFLAGS: 00010246
[  444.500752] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 000000000045df89
[  444.508027] RDX: 0000000000000080 RSI: 000000c42017b890 RDI: 0000000000000004
[  444.515300] RBP: 000000c42017be90 R08: 0000000000000003 R09: 000000c420135500
[  444.522567] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000c429f562d8
[  444.529833] R13: 0000000000000007 R14: 0000000000b81d20 R15: ffffffffffff7fff
[  444.537132] CPU: 1 PID: 13712 Comm: syz-executor2 Not tainted 4.20.0-rc1+ #145
[  444.537204] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  444.544513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  444.544518] Call Trace:
[  444.544524]  <IRQ>
[  444.544549]  dump_stack+0x244/0x39d
[  444.544581]  ? dump_stack_print_info.cold.1+0x20/0x20
[  444.551140] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  444.560429]  warn_alloc.cold.116+0xb7/0x1bd
[  444.562992] syz-fuzzer cpuset=/ mems_allowed=0
[  444.565145]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  444.597893]  ? lock_downgrade+0x900/0x900
[  444.602059]  ? trace_hardirqs_off+0xb8/0x310
[  444.606492]  ? trace_hardirqs_off+0xb8/0x310
[  444.611179]  __alloc_pages_slowpath+0x26e8/0x2e10
[  444.616059]  ? warn_alloc+0x120/0x120
[  444.619871]  ? warn_alloc+0x120/0x120
[  444.623677]  ? warn_alloc+0x120/0x120
[  444.627482]  ? print_usage_bug+0xc0/0xc0
[  444.631554]  ? print_usage_bug+0xc0/0xc0
[  444.635632]  ? ktime_get+0x2c1/0x400
[  444.639353]  ? check_preemption_disabled+0x48/0x280
[  444.644368]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  444.649128]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.654666]  ? should_fail+0x22d/0xd01
[  444.658584]  ? kasan_check_read+0x11/0x20
[  444.662740]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.667867]  ? __lock_acquire+0x62f/0x4c20
[  444.672123]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.677228]  ? should_fail+0x22d/0xd01
[  444.681119]  ? print_usage_bug+0xc0/0xc0
[  444.685192]  ? mark_held_locks+0x130/0x130
[  444.689430]  ? mark_held_locks+0x130/0x130
[  444.693667]  ? check_preemption_disabled+0x48/0x280
[  444.698697]  ? zap_class+0x640/0x640
[  444.702413]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  444.707178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.712739]  ? check_preemption_disabled+0x48/0x280
[  444.717767]  ? __lock_is_held+0xb5/0x140
[  444.721836]  __alloc_pages_nodemask+0xa80/0xde0
[  444.726518]  ? zap_class+0x640/0x640
[  444.730241]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  444.735267]  ? find_held_lock+0x36/0x1c0
[  444.739385]  ? ____cache_alloc_node+0x1c7/0x1e0
[  444.744608]  ? lock_downgrade+0x900/0x900
[  444.748768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.754314]  cache_grow_begin+0xa5/0x8c0
[  444.758374]  ? do_raw_spin_unlock+0xa7/0x330
[  444.762797]  fallback_alloc+0x204/0x2e0
[  444.766782]  ____cache_alloc_node+0x1c7/0x1e0
[  444.771287]  kmem_cache_alloc_node+0xe3/0x730
[  444.775787]  ? lockdep_hardirqs_on+0x296/0x5b0
[  444.780381]  __alloc_skb+0x119/0x770
[  444.784125]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  444.789497]  ? netdev_alloc_frag+0x1f0/0x1f0
[  444.793930]  ? vprintk_default+0x28/0x30
[  444.797991]  ? vprintk_func+0x85/0x181
[  444.801885]  ? printk+0xa7/0xcf
[  444.805170]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  444.809929]  ? do_raw_spin_trylock+0x270/0x270
[  444.814515]  new_skb+0x26/0x1c0
[  444.817816]  aoecmd_cfg+0x279/0x7f0
[  444.821446]  ? find_held_lock+0x36/0x1c0
[  444.825509]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  444.829841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.835397]  ? __lock_is_held+0xb5/0x140
[  444.839474]  discover_timer+0x50/0x60
[  444.843279]  call_timer_fn+0x272/0x920
[  444.847189]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  444.852037]  ? process_timeout+0x40/0x40
[  444.856108]  ? __run_timers+0x7da/0xc70
[  444.860083]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.864593]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.869099]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  444.873940]  ? lockdep_hardirqs_on+0x296/0x5b0
[  444.878522]  ? trace_hardirqs_on+0xbd/0x310
[  444.882851]  ? kasan_check_read+0x11/0x20
[  444.886997]  ? __run_timers+0x7da/0xc70
[  444.891007]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.896148]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  444.900988]  __run_timers+0x7e5/0xc70
[  444.904804]  ? timer_fixup_init+0x70/0x70
[  444.908958]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  444.913977]  ? zap_class+0x640/0x640
[  444.917697]  ? enqueue_hrtimer+0x1a5/0x560
[  444.921949]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  444.927161]  ? find_held_lock+0x36/0x1c0
[  444.931259]  ? zap_class+0x640/0x640
[  444.935000]  ? pvclock_read_flags+0x160/0x160
[  444.939518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.945096]  ? check_preemption_disabled+0x48/0x280
[  444.950125]  ? __lock_is_held+0xb5/0x140
[  444.954189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.959733]  ? check_preemption_disabled+0x48/0x280
[  444.964792]  run_timer_softirq+0x52/0xb0
[  444.968856]  ? rcu_read_lock_sched_held+0x14f/0x180
[  444.973890]  __do_softirq+0x308/0xb7e
[  444.977694]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  444.982189]  ? lock_downgrade+0x900/0x900
[  444.986341]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  444.991454]  ? pvclock_read_flags+0x160/0x160
[  444.995982]  ? lapic_next_event+0x5a/0x90
[  445.000143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.005732]  ? kvm_clock_read+0x18/0x30
[  445.009708]  ? kvm_sched_clock_read+0x9/0x20
[  445.014126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.019664]  ? check_preemption_disabled+0x48/0x280
[  445.024696]  irq_exit+0x17f/0x1c0
[  445.028152]  smp_apic_timer_interrupt+0x1cb/0x760
[  445.032992]  ? smp_reschedule_interrupt+0x109/0x650
[  445.038032]  ? smp_call_function_single_interrupt+0x650/0x650
[  445.043919]  ? interrupt_entry+0xb5/0xc0
[  445.047981]  ? trace_hardirqs_off_caller+0xbb/0x310
[  445.053005]  ? trace_hardirqs_off_caller+0xbb/0x310
[  445.058038]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.062885]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.067899]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.072941]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.077797]  apic_timer_interrupt+0xf/0x20
[  445.082032]  </IRQ>
[  445.084273] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  445.089208] Code: 7e 0f 85 cf fe ff ff e8 56 fc 3d ff e9 c5 fe ff ff e8 bd 31 c3 ff 48 83 3d d5 7a 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 92 b7
[  445.108108] RSP: 0000:ffff880193207738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  445.115813] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  445.123081] RDX: 0000000000000000 RSI: ffff88018cabac80 RDI: 0000000000000286
[  445.130351] RBP: ffff8801932077a0 R08: ffff88018caba400 R09: 0000000000000000
[  445.137639] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  445.144929] R13: ffff8801d9a1c0c0 R14: ffff8801d9a1c0c0 R15: 0000000000480020
[  445.152241]  skb_clone+0x1bb/0x500
[  445.155786]  ? finish_task_switch+0x2f4/0x910
[  445.160288]  ? skb_split+0x11e0/0x11e0
[  445.164179]  ? preempt_notifier_register+0x200/0x200
[  445.169281]  ? __switch_to_asm+0x34/0x70
[  445.173342]  ? __switch_to_asm+0x34/0x70
[  445.177401]  ? __switch_to_asm+0x40/0x70
[  445.181477]  ? __switch_to_asm+0x34/0x70
[  445.185552]  ? __switch_to_asm+0x40/0x70
[  445.189610]  ? __switch_to_asm+0x34/0x70
[  445.193672]  ? __switch_to_asm+0x40/0x70
[  445.197731]  ? __switch_to_asm+0x34/0x70
[  445.201793]  ? __switch_to_asm+0x34/0x70
[  445.205850]  ? __switch_to_asm+0x40/0x70
[  445.209907]  ? __switch_to_asm+0x34/0x70
[  445.213978]  bpf_clone_redirect+0xb9/0x490
[  445.218225]  ? __schedule+0x8d7/0x21d0
[  445.222123]  bpf_prog_bebbfe2050753572+0x1d8/0x1000
[  445.227144]  ? __sched_text_start+0x8/0x8
[  445.231299]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  445.235878]  ? retint_kernel+0x2d/0x2d
[  445.239767]  ? trace_hardirqs_on_caller+0xc0/0x310
[  445.244704]  ? find_held_lock+0x36/0x1c0
[  445.248776]  ? lock_acquire+0x1ed/0x520
[  445.252773]  ? bpf_test_run+0x3cb/0x780
[  445.256765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.262305]  ? check_preemption_disabled+0x48/0x280
[  445.267324]  ? kasan_check_read+0x11/0x20
[  445.271471]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  445.276746]  ? rcu_softirq_qs+0x20/0x20
[  445.280726]  ? preempt_schedule+0x4d/0x60
[  445.284875]  ? ___preempt_schedule+0x16/0x18
[  445.289308]  ? bpf_test_run+0x25d/0x780
[  445.293300]  ? netlink_diag_dump+0x2a0/0x2a0
[  445.297718]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.303263]  ? bpf_test_init.isra.10+0x70/0x100
[  445.307939]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  445.312715]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  445.317559]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  445.323131]  ? fput+0x130/0x1a0
[  445.326413]  ? __bpf_prog_get+0x9b/0x290
[  445.330479]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  445.335337]  ? bpf_prog_test_run+0x130/0x1a0
[  445.339747]  ? __x64_sys_bpf+0x3d8/0x520
[  445.343832]  ? bpf_prog_get+0x20/0x20
[  445.347652]  ? do_syscall_64+0x1b9/0x820
[  445.351712]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  445.357108]  ? syscall_return_slowpath+0x5e0/0x5e0
[  445.362043]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.366887]  ? trace_hardirqs_on_caller+0x310/0x310