rcu_softirq_qs+0x20/0x20
[  610.885746]  ? filemap_map_pages+0xd92/0x1a20
[  610.890260]  ? queue_work_on+0x12c/0x1e0
[  610.894324]  ? find_get_entries_tag+0x1400/0x1400
[  610.899181]  ? debug_object_destroy+0x2b0/0x2b0
[  610.903965]  ? lock_pi_update_atomic+0x150/0x150
[  610.908720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  610.914261]  ? lock_acquire+0x1ed/0x520
[  610.918251]  ? ext4_filemap_fault+0x7a/0xad
[  610.922574]  ? lock_release+0xa00/0xa00
[  610.926545]  ? perf_trace_sched_process_exec+0x860/0x860
[  610.931994]  ? print_usage_bug+0xc0/0xc0
[  610.936056]  ? print_usage_bug+0xc0/0xc0
[  610.940131]  ? down_read+0x8d/0x120
[  610.943748]  ? ext4_filemap_fault+0x7a/0xad
[  610.948065]  ? __down_interruptible+0x700/0x700
[  610.952758]  ext4_filemap_fault+0x82/0xad
[  610.956906]  __do_fault+0x100/0x6b0
[  610.960532]  ? find_held_lock+0x36/0x1c0
[  610.964591]  ? pmd_devmap_trans_unstable+0x220/0x220
[  610.969697]  ? mark_held_locks+0x130/0x130
[  610.973928]  ? mark_held_locks+0x130/0x130
[  610.978167]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  610.983724]  __handle_mm_fault+0x3ea0/0x5be0
[  610.988128]  ? perf_trace_lock+0x7a0/0x7a0
[  610.992367]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  610.997207]  ? __switch_to_asm+0x34/0x70
[  611.001262]  ? __switch_to_asm+0x34/0x70
[  611.005345]  ? zap_class+0x640/0x640
[  611.009068]  ? zap_class+0x640/0x640
[  611.012774]  ? __x64_sys_futex+0x53e/0x6a0
[  611.017056]  ? find_held_lock+0x36/0x1c0
[  611.021135]  ? handle_mm_fault+0x42a/0xc70
[  611.025369]  ? lock_downgrade+0x900/0x900
[  611.029516]  ? check_preemption_disabled+0x48/0x280
[  611.034534]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  611.039462]  ? kasan_check_read+0x11/0x20
[  611.043618]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  611.048899]  ? rcu_softirq_qs+0x20/0x20
[  611.052867]  ? trace_hardirqs_off_caller+0x310/0x310
[  611.057968]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  611.063502]  ? check_preemption_disabled+0x48/0x280
[  611.068520]  handle_mm_fault+0x54f/0xc70
[  611.072641]  ? __handle_mm_fault+0x5be0/0x5be0
[  611.077225]  ? find_vma+0x34/0x190
[  611.080788]  __do_page_fault+0x5e8/0xe60
[  611.084864]  ? trace_hardirqs_off+0xb8/0x310
[  611.089276]  do_page_fault+0xf2/0x7e0
[  611.093074]  ? vmalloc_sync_all+0x30/0x30
[  611.097220]  ? error_entry+0x70/0xd0
[  611.100933]  ? trace_hardirqs_off_caller+0xbb/0x310
[  611.105942]  ? trace_hardirqs_on_caller+0xc0/0x310
[  611.110863]  ? syscall_return_slowpath+0x5e0/0x5e0
[  611.115784]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  611.120622]  ? trace_hardirqs_on_caller+0x310/0x310
[  611.125657]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  611.131110]  ? prepare_exit_to_usermode+0x291/0x3b0
[  611.136206]  ? page_fault+0x8/0x30
[  611.139740]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  611.144585]  ? page_fault+0x8/0x30
[  611.148115]  page_fault+0x1e/0x30
[  611.151559] RIP: 0033:0x40f9c0
[  611.154770] Code: Bad RIP value.
[  611.158138] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  611.163499] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  611.170760] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  611.178020] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  611.185279] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  611.192561] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  611.199851] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  611.199856] warn_alloc_show_mem: 1 callbacks suppressed
[  611.199862] Mem-Info:
[  611.207131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  611.212499] active_anon:54071 inactive_anon:192 isolated_anon:0
[  611.212499]  active_file:13 inactive_file:14 isolated_file:0
[  611.212499]  unevictable:0 dirty:0 writeback:0 unstable:0
[  611.212499]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  611.212499]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  611.212499]  free:13779 free_pcp:228 free_cma:0
[  611.214866] Call Trace:
[  611.224243] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  611.257094]  <IRQ>
[  611.259669] 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
[  611.287161]  dump_stack+0x244/0x39d
[  611.289273] lowmem_reserve[]: 0 2818 6321 6321
[  611.315382]  ? dump_stack_print_info.cold.1+0x20/0x20
[  611.318978] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  611.323558]  warn_alloc.cold.116+0xb7/0x1bd
[  611.328711] lowmem_reserve[]: 0 0 3503 3503
[  611.356207]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  611.360497] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  611.364813]  ? lock_downgrade+0x900/0x900
[  611.369618] lowmem_reserve[]: 0 0 0 0
[  611.398511]  ? trace_hardirqs_off+0xb8/0x310
[  611.402628] 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
[  611.406426]  ? trace_hardirqs_off+0xb8/0x310
[  611.410806] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  611.424326]  __alloc_pages_slowpath+0x2651/0x2de0
[  611.428700] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  611.444588]  ? warn_alloc+0x120/0x120
[  611.449402] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  611.465098]  ? warn_alloc+0x120/0x120
[  611.468889] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  611.477705]  ? warn_alloc+0x120/0x120
[  611.481477] 271 total pagecache pages
[  611.490037]  ? print_usage_bug+0xc0/0xc0
[  611.493817] 0 pages in swap cache
[  611.497600]  ? print_usage_bug+0xc0/0xc0
[  611.501634] Swap cache stats: add 0, delete 0, find 0/0
[  611.505075]  ? mark_held_locks+0x130/0x130
[  611.509120] Free swap  = 0kB
[  611.514473]  ? should_fail+0x22d/0xd01
[  611.518680] Total swap = 0kB
[  611.521708]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  611.525563] 1965979 pages RAM
[  611.528566]  ? should_fail+0x22d/0xd01
[  611.534107] 0 pages HighMem/MovableOnly
[  611.537213]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  611.541077] 342854 pages reserved
[  611.541084] 0 pages cma reserved
[  611.545044]  ? __lock_acquire+0x62f/0x4c20
[  611.550185] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  611.553558]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  611.553570]  ? __lock_acquire+0x62f/0x4c20
[  611.553583]  ? should_fail+0x22d/0xd01
[  611.556999] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  611.561165]  ? mark_held_locks+0x130/0x130
[  611.567625] syz-fuzzer cpuset=/ mems_allowed=0
[  611.572743]  ? mark_held_locks+0x130/0x130
[  611.604070]  ? zap_class+0x640/0x640
[  611.607954]  ? check_preemption_disabled+0x48/0x280
[  611.613075]  ? zap_class+0x640/0x640
[  611.616810]  ? print_usage_bug+0xc0/0xc0
[  611.620872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.626493]  ? check_preemption_disabled+0x48/0x280
[  611.631517]  ? __lock_is_held+0xb5/0x140
[  611.635580]  __alloc_pages_nodemask+0xad8/0xea0
[  611.640242]  ? zap_class+0x640/0x640
[  611.643958]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  611.648989]  ? find_held_lock+0x36/0x1c0
[  611.653053]  ? ____cache_alloc_node+0x1c7/0x1e0
[  611.657718]  ? lock_downgrade+0x900/0x900
[  611.661874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.667444]  cache_grow_begin+0xa5/0x8c0
[  611.671501]  ? do_raw_spin_unlock+0xa7/0x330
[  611.675926]  fallback_alloc+0x204/0x2e0
[  611.679903]  ____cache_alloc_node+0x1c7/0x1e0
[  611.684396]  kmem_cache_alloc_node+0xe3/0x730
[  611.688890]  ? ipv6_get_ifaddr+0x42e/0x620
[  611.693129]  __alloc_skb+0x119/0x770
[  611.696836]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  611.702129]  ? netdev_alloc_frag+0x1f0/0x1f0
[  611.706544]  ? lock_downgrade+0x900/0x900
[  611.710693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.716227]  ? refcount_sub_and_test_checked+0x203/0x310
[  611.721677]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  611.727122]  ? addrconf_rs_timer+0x690/0x690
[  611.731536]  ndisc_alloc_skb+0x144/0x340
[  611.735601]  ndisc_send_rs+0x331/0x6e0
[  611.739489]  addrconf_rs_timer+0x314/0x690
[  611.743728]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  611.747968]  call_timer_fn+0x272/0x920
[  611.751867]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  611.756100]  ? process_timeout+0x40/0x40
[  611.760189]  ? __run_timers+0x7da/0xc70
[  611.764189]  ? _raw_spin_unlock_irq+0x27/0x80
[  611.768691]  ? _raw_spin_unlock_irq+0x27/0x80
[  611.773188]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  611.777436]  ? lockdep_hardirqs_on+0x296/0x5b0
[  611.782016]  ? trace_hardirqs_on+0xbd/0x310
[  611.786332]  ? kasan_check_read+0x11/0x20
[  611.790487]  ? __run_timers+0x7da/0xc70
[  611.794578]  ? trace_hardirqs_off_caller+0x310/0x310
[  611.799700]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  611.803931]  __run_timers+0x7e5/0xc70
[  611.807743]  ? timer_fixup_init+0x70/0x70
[  611.811893]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  611.816908]  ? zap_class+0x640/0x640
[  611.820620]  ? enqueue_hrtimer+0x1a5/0x560
[  611.824862]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  611.830064]  ? find_held_lock+0x36/0x1c0
[  611.834128]  ? zap_class+0x640/0x640
[  611.837859]  ? pvclock_read_flags+0x160/0x160
[  611.842374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.847906]  ? check_preemption_disabled+0x48/0x280
[  611.853041]  ? __lock_is_held+0xb5/0x140
[  611.857111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.862658]  ? check_preemption_disabled+0x48/0x280
[  611.867682]  run_timer_softirq+0x52/0xb0
[  611.871735]  ? rcu_read_lock_sched_held+0x14f/0x180
[  611.876744]  __do_softirq+0x308/0xb7e
[  611.880540]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  611.885029]  ? lock_downgrade+0x900/0x900
[  611.889180]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  611.894296]  ? pvclock_read_flags+0x160/0x160
[  611.898813]  ? lapic_next_event+0x5a/0x90
[  611.902974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.908510]  ? kvm_clock_read+0x18/0x30
[  611.912480]  ? kvm_sched_clock_read+0x9/0x20
[  611.916886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.922421]  ? check_preemption_disabled+0x48/0x280
[  611.927441]  irq_exit+0x17f/0x1c0
[  611.930894]  smp_apic_timer_interrupt+0x1cb/0x760
[  611.935735]  ? smp_reschedule_interrupt+0x109/0x650
[  611.940747]  ? smp_call_function_single_interrupt+0x650/0x650
[  611.946720]  ? interrupt_entry+0xb5/0xc0
[  611.950777]  ? trace_hardirqs_off_caller+0xbb/0x310
[  611.955786]  ? trace_hardirqs_off_caller+0xbb/0x310
[  611.960800]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  611.965646]  ? trace_hardirqs_on_caller+0x310/0x310
[  611.970662]  ? trace_hardirqs_on_caller+0x310/0x310
[  611.975672]  ? task_prio+0x50/0x50
[  611.979208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.984738]  ? check_preemption_disabled+0x48/0x280
[  611.989777]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  611.994653]  apic_timer_interrupt+0xf/0x20
[  611.998878]  </IRQ>
[  612.001114] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  612.006042] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  612.024936] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  612.032684] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  612.039953] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  612.047219] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  612.054484] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  612.061746] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  612.069064]  skb_clone+0x1bb/0x500
[  612.072603]  ? finish_task_switch+0x1b4/0x910
[  612.077102]  ? skb_split+0x11e0/0x11e0
[  612.080989]  ? preempt_notifier_register+0x200/0x200
[  612.086091]  ? __switch_to_asm+0x34/0x70
[  612.090148]  ? __switch_to_asm+0x34/0x70
[  612.094203]  ? __switch_to_asm+0x40/0x70
[  612.098262]  ? __switch_to_asm+0x34/0x70
[  612.102332]  ? __switch_to_asm+0x40/0x70
[  612.106390]  ? __switch_to_asm+0x34/0x70
[  612.110446]  ? __switch_to_asm+0x40/0x70
[  612.114505]  ? __switch_to_asm+0x34/0x70
[  612.118559]  ? __switch_to_asm+0x34/0x70
[  612.122614]  ? __switch_to_asm+0x40/0x70
[  612.126674]  ? __switch_to_asm+0x34/0x70
[  612.130736]  bpf_clone_redirect+0xb9/0x490
[  612.134969]  ? __schedule+0x8d7/0x21d0
[  612.138856]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  612.143871]  ? __sched_text_start+0x8/0x8
[  612.148016]  ? retint_kernel+0x2d/0x2d
[  612.151937]  ? find_held_lock+0x36/0x1c0
[  612.156123]  ? lock_acquire+0x1ed/0x520
[  612.160094]  ? bpf_test_run+0x3cb/0x780
[  612.164065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  612.169601]  ? check_preemption_disabled+0x48/0x280
[  612.174713]  ? kasan_check_read+0x11/0x20
[  612.178861]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  612.184137]  ? rcu_softirq_qs+0x20/0x20
[  612.188120]  ? preempt_schedule+0x4d/0x60
[  612.192264]  ? ___preempt_schedule+0x16/0x18
[  612.196701]  ? bpf_test_run+0x25d/0x780
[  612.200684]  ? netlink_diag_dump+0x2a0/0x2a0
[  612.205091]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  612.210652]  ? bpf_test_init.isra.10+0x70/0x100
[  612.215321]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  612.220100]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  612.224936]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  612.230469]  ? fput+0x130/0x1a0
[  612.233752]  ? __bpf_prog_get+0x9b/0x290
[  612.237832]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  612.242670]  ? bpf_prog_test_run+0x130/0x1a0
[  612.247102]  ? __x64_sys_bpf+0x3db/0x520
[  612.251167]  ? bpf_prog_get+0x20/0x20
[  612.254986]  ? do_syscall_64+0x1b9/0x820
[  612.259042]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  612.264405]  ? syscall_return_slowpath+0x5e0/0x5e0
[  612.269338]  ? trace_hardirqs_on_caller+0x310/0x310
[  612.274353]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  612.279370]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  612.286028]  ? __switch_to_asm+0x40/0x70
[  612.290080]  ? __switch_to_asm+0x34/0x70
[  612.294142]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  612.298988]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  612.304377] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  612.304457] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  612.311394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  612.311401] Call Trace:
[  612.317959] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  612.327210]  <IRQ>
[  612.329777] syz-executor5 cpuset=syz5 mems_allowed=0
[  612.340256]  dump_stack+0x244/0x39d
[  612.351172]  ? dump_stack_print_info.cold.1+0x20/0x20
[  612.356375]  warn_alloc.cold.116+0xb7/0x1bd
[  612.360714]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  612.365559]  ? lock_downgrade+0x900/0x900
[  612.369713]  ? trace_hardirqs_off+0xb8/0x310
[  612.374122]  ? trace_hardirqs_off+0xb8/0x310
[  612.378536]  __alloc_pages_slowpath+0x2651/0x2de0
[  612.383398]  ? warn_alloc+0x120/0x120
[  612.387194]  ? print_usage_bug+0xc0/0xc0
[  612.391257]  ? warn_alloc+0x120/0x120
[  612.395055]  ? warn_alloc+0x120/0x120
[  612.398855]  ? print_usage_bug+0xc0/0xc0
[  612.402919]  ? print_usage_bug+0xc0/0xc0
[  612.406989]  ? __lock_acquire+0x62f/0x4c20
[  612.411246]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  612.416800]  ? should_fail+0x22d/0xd01
[  612.420688]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  612.425785]  ? __lock_acquire+0x62f/0x4c20
[  612.430039]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  612.435137]  ? __lock_acquire+0x62f/0x4c20
[  612.439367]  ? should_fail+0x22d/0xd01
[  612.443248]  ? find_held_lock+0x36/0x1c0
[  612.447310]  ? mark_held_locks+0x130/0x130
[  612.451542]  ? mark_held_locks+0x130/0x130
[  612.455766]  ? zap_class+0x640/0x640
[  612.459469]  ? zap_class+0x640/0x640
[  612.463175]  ? print_usage_bug+0xc0/0xc0
[  612.467229]  ? do_raw_spin_unlock+0xa7/0x330
[  612.471639]  ? zap_class+0x640/0x640
[  612.475346]  ? print_usage_bug+0xc0/0xc0
[  612.479397]  ? wq_watchdog_touch+0x9c/0xfe
[  612.483641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  612.489175]  ? check_preemption_disabled+0x48/0x280
[  612.494198]  ? __lock_is_held+0xb5/0x140
[  612.498259]  __alloc_pages_nodemask+0xad8/0xea0
[  612.502922]  ? zap_class+0x640/0x640
[  612.506659]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  612.511685]  ? find_held_lock+0x36/0x1c0
[  612.515749]  ? ____cache_alloc_node+0x1c7/0x1e0
[  612.520433]  ? lock_downgrade+0x900/0x900
[  612.524582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  612.530119]  cache_grow_begin+0xa5/0x8c0
[  612.534173]  ? do_raw_spin_unlock+0xa7/0x330
[  612.538592]  fallback_alloc+0x204/0x2e0
[  612.542574]  ____cache_alloc_node+0x1c7/0x1e0
[  612.547071]  kmem_cache_alloc_node+0xe3/0x730
[  612.551567]  ? ipv6_get_ifaddr+0x42e/0x620
[  612.555826]  __alloc_skb+0x119/0x770
[  612.559548]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  612.564845]  ? netdev_alloc_frag+0x1f0/0x1f0
[  612.569257]  ? lock_downgrade+0x900/0x900
[  612.573406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  612.578940]  ? refcount_sub_and_test_checked+0x203/0x310
[  612.584389]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  612.589832]  ? addrconf_rs_timer+0x690/0x690
[  612.594255]  ndisc_alloc_skb+0x144/0x340
[  612.598316]  ndisc_send_rs+0x331/0x6e0
[  612.602223]  addrconf_rs_timer+0x314/0x690
[  612.606458]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  612.610713]  call_timer_fn+0x272/0x920
[  612.614599]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  612.618839]  ? process_timeout+0x40/0x40
[  612.622901]  ? mark_held_locks+0xc7/0x130
[  612.627044]  ? _raw_spin_unlock_irq+0x27/0x80
[  612.631531]  ? _raw_spin_unlock_irq+0x27/0x80
[  612.636035]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  612.640276]  ? lockdep_hardirqs_on+0x296/0x5b0
[  612.644855]  ? trace_hardirqs_on+0xbd/0x310
[  612.649172]  ? kasan_check_read+0x11/0x20
[  612.653329]  ? __run_timers+0x7da/0xc70
[  612.657740]  ? trace_hardirqs_off_caller+0x310/0x310
[  612.662843]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  612.667078]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  612.671325]  __run_timers+0x7e5/0xc70
[  612.675128]  ? timer_fixup_init+0x70/0x70
[  612.679273]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  612.684286]  ? zap_class+0x640/0x640
[  612.688006]  ? print_usage_bug+0xc0/0xc0
[  612.692068]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  612.697259]  ? find_held_lock+0x36/0x1c0
[  612.701406]  ? zap_class+0x640/0x640
[  612.705122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  612.710659]  ? check_preemption_disabled+0x48/0x280
[  612.715682]  ? __lock_is_held+0xb5/0x140
[  612.719742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  612.725295]  ? check_preemption_disabled+0x48/0x280
[  612.730313]  run_timer_softirq+0x52/0xb0
[  612.734395]  ? rcu_read_lock_sched_held+0x14f/0x180
[  612.739407]  __do_softirq+0x308/0xb7e
[  612.743208]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  612.747695]  ? lock_downgrade+0x900/0x900
[  612.751844]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  612.756954]  ? pvclock_read_flags+0x160/0x160
[  612.761449]  ? lapic_next_event+0x5a/0x90
[  612.765594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  612.771138]  ? kvm_clock_read+0x18/0x30
[  612.775105]  ? kvm_sched_clock_read+0x9/0x20
[  612.779510]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  612.785046]  ? check_preemption_disabled+0x48/0x280
[  612.790065]  irq_exit+0x17f/0x1c0
[  612.793526]  smp_apic_timer_interrupt+0x1cb/0x760
[  612.798387]  ? smp_reschedule_interrupt+0x109/0x650
[  612.803408]  ? smp_call_function_single_interrupt+0x650/0x650
[  612.809286]  ? interrupt_entry+0xb5/0xc0
[  612.813337]  ? trace_hardirqs_off_caller+0xbb/0x310
[  612.818342]  ? trace_hardirqs_off_caller+0xbb/0x310
[  612.823359]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  612.828467]  ? trace_hardirqs_on_caller+0x310/0x310
[  612.833488]  ? trace_hardirqs_on_caller+0x310/0x310
[  612.838499]  ? task_prio+0x50/0x50
[  612.842038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  612.847571]  ? check_preemption_disabled+0x48/0x280
[  612.852598]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  612.857457]  apic_timer_interrupt+0xf/0x20
[  612.861700]  </IRQ>
[  612.863947] RIP: 0010:dump_stack+0x358/0x39d
[  612.868353] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  612.887250] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  612.894949] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  612.902206] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  612.909470] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  612.916731] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  612.924277] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  612.931558]  ? dump_stack+0x34f/0x39d
[  612.935361]  ? dump_stack_print_info.cold.1+0x20/0x20
[  612.940547]  ? mark_held_locks+0x130/0x130
[  612.944792]  ? mark_held_locks+0x130/0x130
[  612.949024]  dump_header+0x27b/0xf72
[  612.952746]  ? pagefault_out_of_memory+0x197/0x197
[  612.957695]  ? __lock_acquire+0x62f/0x4c20
[  612.961933]  ? percpu_ref_get_many+0x240/0x240
[  612.966515]  ? print_usage_bug+0xc0/0xc0
[  612.970571]  ? zap_class+0x640/0x640
[  612.974366]  ? print_usage_bug+0xc0/0xc0
[  612.978529]  ? print_usage_bug+0xc0/0xc0
[  612.982590]  ? zap_class+0x640/0x640
[  612.986335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  612.991869]  ? find_held_lock+0x36/0x1c0
[  612.995931]  ? mark_held_locks+0xc7/0x130
[  613.000078]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  613.005174]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  613.010271]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  613.014845]  ? trace_hardirqs_on+0xbd/0x310
[  613.019188]  ? kasan_check_read+0x11/0x20
[  613.023324]  ? ___ratelimit+0x3b4/0x672
[  613.027293]  ? trace_hardirqs_off_caller+0x310/0x310
[  613.032394]  ? trace_hardirqs_on+0x310/0x310
[  613.036798]  ? lock_downgrade+0x900/0x900
[  613.040945]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  613.046045]  ? ___ratelimit+0x3b9/0x672
[  613.050018]  ? idr_get_free+0xf70/0xf70
[  613.053989]  ? find_held_lock+0x36/0x1c0
[  613.058052]  oom_kill_process.cold.27+0x10/0x903
[  613.062806]  ? zap_class+0x640/0x640
[  613.066516]  ? check_preemption_disabled+0x48/0x280
[  613.071527]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  613.076451]  ? kasan_check_read+0x11/0x20
[  613.080680]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  613.085951]  ? oom_evaluate_task+0x540/0x540
[  613.090355]  ? find_held_lock+0x36/0x1c0
[  613.094596]  ? out_of_memory+0x974/0x1430
[  613.098746]  ? lock_downgrade+0x900/0x900
[  613.102892]  ? check_preemption_disabled+0x48/0x280
[  613.107906]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  613.112832]  ? kasan_check_read+0x11/0x20
[  613.116973]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  613.122244]  ? rcu_softirq_qs+0x20/0x20
[  613.126217]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  613.131749]  ? oom_evaluate_task+0x302/0x540
[  613.136161]  out_of_memory+0xa84/0x1430
[  613.140142]  ? oom_killer_disable+0x3a0/0x3a0
[  613.144645]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  613.149572]  ? __ww_mutex_check_waiters+0x160/0x160
[  613.154606]  __alloc_pages_slowpath+0x232c/0x2de0
[  613.159474]  ? warn_alloc+0x120/0x120
[  613.163272]  ? mark_held_locks+0x130/0x130
[  613.167619]  ? find_get_entry+0xaae/0x1120
[  613.171860]  ? filemap_map_pages+0x1a20/0x1a20
[  613.176442]  ? zap_class+0x640/0x640
[  613.180156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.185690]  ? check_preemption_disabled+0x48/0x280
[  613.190702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  613.196235]  ? should_fail+0x22d/0xd01
[  613.200123]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  613.205217]  ? zap_class+0x640/0x640
[  613.208945]  ? __lock_is_held+0xb5/0x140
[  613.213011]  ? mark_held_locks+0x130/0x130
[  613.217252]  ? lock_release+0xa00/0xa00
[  613.221226]  ? perf_trace_sched_process_exec+0x860/0x860
[  613.226668]  ? xa_load+0x2ba/0x460
[  613.230212]  ? lock_downgrade+0x900/0x900
[  613.234358]  ? __might_sleep+0x95/0x190
[  613.238331]  __alloc_pages_nodemask+0xad8/0xea0
[  613.243000]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  613.248012]  ? __page_cache_alloc+0x191/0x5c0
[  613.252498]  ? xa_load+0x2e1/0x460
[  613.256031]  ? xa_clear_mark+0x40/0x40
[  613.259910]  ? zap_class+0x640/0x640
[  613.263622]  ? zap_class+0x640/0x640
[  613.267350]  ? zap_class+0x640/0x640
[  613.271060]  ? zap_class+0x640/0x640
[  613.274771]  ? __do_page_cache_readahead+0x663/0x810
[  613.279872]  ? find_held_lock+0x36/0x1c0
[  613.283934]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  613.289472]  alloc_pages_current+0x173/0x350
[  613.293879]  __page_cache_alloc+0x38c/0x5c0
[  613.298191]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  613.303115]  ? kasan_check_read+0x11/0x20
[  613.307261]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  613.312541]  ? generic_perform_write+0x6a0/0x6a0
[  613.317304]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  613.322855]  ? check_preemption_disabled+0x48/0x280
[  613.327882]  filemap_fault+0x1595/0x25f0
[  613.331954]  ? __lock_page_or_retry+0xa00/0xa00
[  613.336630]  ? mark_held_locks+0x130/0x130
[  613.340890]  ? filemap_map_pages+0xd6b/0x1a20
[  613.345382]  ? lock_downgrade+0x900/0x900
[  613.349525]  ? check_preemption_disabled+0x48/0x280
[  613.354538]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  613.359470]  ? kasan_check_read+0x11/0x20
[  613.363623]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  613.368920]  ? rcu_softirq_qs+0x20/0x20
[  613.372899]  ? filemap_map_pages+0xd92/0x1a20
[  613.377394]  ? queue_work_on+0x12c/0x1e0
[  613.381454]  ? find_get_entries_tag+0x1400/0x1400
[  613.386295]  ? debug_object_destroy+0x2b0/0x2b0
[  613.390963]  ? lock_pi_update_atomic+0x150/0x150
[  613.395710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.401253]  ? lock_acquire+0x1ed/0x520
[  613.405221]  ? ext4_filemap_fault+0x7a/0xad
[  613.409545]  ? lock_release+0xa00/0xa00
[  613.413514]  ? perf_trace_sched_process_exec+0x860/0x860
[  613.418963]  ? print_usage_bug+0xc0/0xc0
[  613.423023]  ? print_usage_bug+0xc0/0xc0
[  613.427093]  ? down_read+0x8d/0x120
[  613.430711]  ? ext4_filemap_fault+0x7a/0xad
[  613.435031]  ? __down_interruptible+0x700/0x700
[  613.439801]  ext4_filemap_fault+0x82/0xad
[  613.443949]  __do_fault+0x100/0x6b0
[  613.447689]  ? find_held_lock+0x36/0x1c0
[  613.451752]  ? pmd_devmap_trans_unstable+0x220/0x220
[  613.456857]  ? mark_held_locks+0x130/0x130
[  613.461088]  ? mark_held_locks+0x130/0x130
[  613.465326]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  613.470862]  __handle_mm_fault+0x3ea0/0x5be0
[  613.475279]  ? perf_trace_lock+0x7a0/0x7a0
[  613.479535]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  613.484380]  ? __switch_to_asm+0x34/0x70
[  613.488437]  ? __switch_to_asm+0x34/0x70
[  613.492515]  ? zap_class+0x640/0x640
[  613.496219]  ? zap_class+0x640/0x640
[  613.499925]  ? __x64_sys_futex+0x53e/0x6a0
[  613.504179]  ? find_held_lock+0x36/0x1c0
[  613.508247]  ? handle_mm_fault+0x42a/0xc70
[  613.512476]  ? lock_downgrade+0x900/0x900
[  613.516638]  ? check_preemption_disabled+0x48/0x280
[  613.521655]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  613.526577]  ? kasan_check_read+0x11/0x20
[  613.530724]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  613.535995]  ? rcu_softirq_qs+0x20/0x20
[  613.539981]  ? trace_hardirqs_off_caller+0x310/0x310
[  613.545112]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  613.550662]  ? check_preemption_disabled+0x48/0x280
[  613.555940]  handle_mm_fault+0x54f/0xc70
[  613.559998]  ? __handle_mm_fault+0x5be0/0x5be0
[  613.564576]  ? find_vma+0x34/0x190
[  613.568119]  __do_page_fault+0x5e8/0xe60
[  613.572167]  ? trace_hardirqs_off+0xb8/0x310
[  613.576572]  do_page_fault+0xf2/0x7e0
[  613.580370]  ? vmalloc_sync_all+0x30/0x30
[  613.584517]  ? error_entry+0x70/0xd0
[  613.588226]  ? trace_hardirqs_off_caller+0xbb/0x310
[  613.593235]  ? trace_hardirqs_on_caller+0xc0/0x310
[  613.598163]  ? syscall_return_slowpath+0x5e0/0x5e0
[  613.603087]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  613.607925]  ? trace_hardirqs_on_caller+0x310/0x310
[  613.612940]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  613.618389]  ? prepare_exit_to_usermode+0x291/0x3b0
[  613.623404]  ? page_fault+0x8/0x30
[  613.626946]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  613.631797]  ? page_fault+0x8/0x30
[  613.635339]  page_fault+0x1e/0x30
[  613.638787] RIP: 0033:0x40f9c0
[  613.642003] Code: Bad RIP value.
[  613.645358] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  613.650713] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  613.657990] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  613.665252] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  613.672519] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  613.679782] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  613.687069] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  613.687074] warn_alloc_show_mem: 1 callbacks suppressed
[  613.687080] Mem-Info:
[  613.694351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  613.699741] active_anon:54071 inactive_anon:192 isolated_anon:0
[  613.699741]  active_file:13 inactive_file:14 isolated_file:0
[  613.699741]  unevictable:0 dirty:0 writeback:0 unstable:0
[  613.699741]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  613.699741]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  613.699741]  free:13779 free_pcp:228 free_cma:0
[  613.702112] Call Trace:
[  613.711490] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  613.744328]  <IRQ>
[  613.746896] 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
[  613.774385]  dump_stack+0x244/0x39d
[  613.776500] lowmem_reserve[]: 0 2818 6321 6321
[  613.802695]  ? dump_stack_print_info.cold.1+0x20/0x20
[  613.806300] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  613.810893]  warn_alloc.cold.116+0xb7/0x1bd
[  613.816040] lowmem_reserve[]: 0 0 3503 3503
[  613.843554]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  613.847954] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  613.852353]  ? lock_downgrade+0x900/0x900
[  613.857281] lowmem_reserve[]: 0 0 0 0
[  613.886159]  ? trace_hardirqs_off+0xb8/0x310
[  613.890277] 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
[  613.894070]  ? trace_hardirqs_off+0xb8/0x310
[  613.898448] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  613.911967]  __alloc_pages_slowpath+0x2651/0x2de0
[  613.916448] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  613.932325]  ? warn_alloc+0x120/0x120
[  613.937132] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  613.952731]  ? print_usage_bug+0xc0/0xc0
[  613.956526] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  613.965340]  ? warn_alloc+0x120/0x120
[  613.969376] 271 total pagecache pages
[  613.978041]  ? warn_alloc+0x120/0x120
[  613.981820] 0 pages in swap cache
[  613.985617]  ? print_usage_bug+0xc0/0xc0
[  613.989393] Swap cache stats: add 0, delete 0, find 0/0
[  613.992849]  ? kvm_clock_read+0x18/0x30
[  613.996881] Free swap  = 0kB
[  614.002231]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  614.006169] Total swap = 0kB
[  614.006177] 1965979 pages RAM
[  614.009183]  ? print_usage_bug+0xc0/0xc0
[  614.014166] 0 pages HighMem/MovableOnly
[  614.017173]  ? __lock_acquire+0x62f/0x4c20
[  614.020242] 342854 pages reserved
[  614.020249] 0 pages cma reserved
[  614.024294]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  614.028305] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  614.032484]  ? should_fail+0x22d/0xd01
[  614.032496]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  614.032514]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  614.036001] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  614.039292]  ? __lock_acquire+0x62f/0x4c20
[  614.044823] syz-fuzzer cpuset=/ mems_allowed=0
[  614.051316]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  614.089626]  ? __lock_acquire+0x62f/0x4c20
[  614.093859]  ? should_fail+0x22d/0xd01
[  614.097763]  ? rcu_irq_exit+0x1a2/0x390
[  614.101844]  ? mark_held_locks+0x130/0x130
[  614.106078]  ? mark_held_locks+0x130/0x130
[  614.110315]  ? mark_held_locks+0xc7/0x130
[  614.114460]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  614.119475]  ? zap_class+0x640/0x640
[  614.123202]  ? print_usage_bug+0xc0/0xc0
[  614.127264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.132803]  ? check_preemption_disabled+0x48/0x280
[  614.137822]  ? __lock_is_held+0xb5/0x140
[  614.141892]  __alloc_pages_nodemask+0xad8/0xea0
[  614.146559]  ? zap_class+0x640/0x640
[  614.150276]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  614.155308]  ? find_held_lock+0x36/0x1c0
[  614.159373]  ? ____cache_alloc_node+0x1c7/0x1e0
[  614.164048]  ? lock_downgrade+0x900/0x900
[  614.168210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.173759]  cache_grow_begin+0xa5/0x8c0
[  614.177813]  ? do_raw_spin_unlock+0xa7/0x330
[  614.182220]  fallback_alloc+0x204/0x2e0
[  614.186195]  ____cache_alloc_node+0x1c7/0x1e0
[  614.190691]  kmem_cache_alloc_node+0xe3/0x730
[  614.195191]  ? ipv6_get_ifaddr+0x42e/0x620
[  614.199430]  __alloc_skb+0x119/0x770
[  614.203149]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  614.208422]  ? netdev_alloc_frag+0x1f0/0x1f0
[  614.212829]  ? lock_downgrade+0x900/0x900
[  614.216979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.222510]  ? refcount_sub_and_test_checked+0x203/0x310
[  614.228048]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  614.233500]  ? addrconf_rs_timer+0x690/0x690
[  614.237927]  ndisc_alloc_skb+0x144/0x340
[  614.241989]  ndisc_send_rs+0x331/0x6e0
[  614.245882]  addrconf_rs_timer+0x314/0x690
[  614.250122]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  614.254365]  call_timer_fn+0x272/0x920
[  614.258246]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  614.262474]  ? process_timeout+0x40/0x40
[  614.266535]  ? __run_timers+0x7da/0xc70
[  614.270506]  ? _raw_spin_unlock_irq+0x27/0x80
[  614.274995]  ? _raw_spin_unlock_irq+0x27/0x80
[  614.279487]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  614.283716]  ? lockdep_hardirqs_on+0x296/0x5b0
[  614.288309]  ? trace_hardirqs_on+0xbd/0x310
[  614.292630]  ? kasan_check_read+0x11/0x20
[  614.296775]  ? __run_timers+0x7da/0xc70
[  614.300830]  ? trace_hardirqs_off_caller+0x310/0x310
[  614.305937]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  614.310193]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  614.314438]  __run_timers+0x7e5/0xc70
[  614.318252]  ? timer_fixup_init+0x70/0x70
[  614.322398]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  614.327406]  ? zap_class+0x640/0x640
[  614.331125]  ? enqueue_hrtimer+0x1a5/0x560
[  614.335792]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  614.340985]  ? find_held_lock+0x36/0x1c0
[  614.345055]  ? zap_class+0x640/0x640
[  614.348771]  ? pvclock_read_flags+0x160/0x160
[  614.353264]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.358798]  ? check_preemption_disabled+0x48/0x280
[  614.363828]  ? __lock_is_held+0xb5/0x140
[  614.367884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.373416]  ? check_preemption_disabled+0x48/0x280
[  614.378431]  run_timer_softirq+0x52/0xb0
[  614.382491]  ? rcu_read_lock_sched_held+0x14f/0x180
[  614.387505]  __do_softirq+0x308/0xb7e
[  614.391307]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  614.395794]  ? lock_downgrade+0x900/0x900
[  614.399944]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  614.405051]  ? pvclock_read_flags+0x160/0x160
[  614.409542]  ? lapic_next_event+0x5a/0x90
[  614.413693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.419232]  ? kvm_clock_read+0x18/0x30
[  614.423204]  ? kvm_sched_clock_read+0x9/0x20
[  614.427613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.433160]  ? check_preemption_disabled+0x48/0x280
[  614.438197]  irq_exit+0x17f/0x1c0
[  614.441649]  smp_apic_timer_interrupt+0x1cb/0x760
[  614.446484]  ? smp_reschedule_interrupt+0x109/0x650
[  614.451681]  ? smp_call_function_single_interrupt+0x650/0x650
[  614.457593]  ? interrupt_entry+0xb5/0xc0
[  614.461651]  ? trace_hardirqs_off_caller+0xbb/0x310
[  614.466661]  ? trace_hardirqs_off_caller+0xbb/0x310
[  614.471672]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  614.476512]  ? trace_hardirqs_on_caller+0x310/0x310
[  614.481524]  ? trace_hardirqs_on_caller+0x310/0x310
[  614.486533]  ? task_prio+0x50/0x50
[  614.490072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.495627]  ? check_preemption_disabled+0x48/0x280
[  614.500648]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  614.505493]  apic_timer_interrupt+0xf/0x20
[  614.509717]  </IRQ>
[  614.511967] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  614.516898] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  614.535792] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  614.543494] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  614.550756] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  614.558017] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  614.565278] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  614.572539] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  614.579859]  skb_clone+0x1bb/0x500
[  614.583400]  ? finish_task_switch+0x1b4/0x910
[  614.587892]  ? skb_split+0x11e0/0x11e0
[  614.591781]  ? preempt_notifier_register+0x200/0x200
[  614.596892]  ? __switch_to_asm+0x34/0x70
[  614.600966]  ? __switch_to_asm+0x34/0x70
[  614.605038]  ? __switch_to_asm+0x40/0x70
[  614.609119]  ? __switch_to_asm+0x34/0x70
[  614.613174]  ? __switch_to_asm+0x40/0x70
[  614.617231]  ? __switch_to_asm+0x34/0x70
[  614.621289]  ? __switch_to_asm+0x40/0x70
[  614.625355]  ? __switch_to_asm+0x34/0x70
[  614.629409]  ? __switch_to_asm+0x34/0x70
[  614.633462]  ? __switch_to_asm+0x40/0x70
[  614.637519]  ? __switch_to_asm+0x34/0x70
[  614.641585]  bpf_clone_redirect+0xb9/0x490
[  614.645823]  ? __schedule+0x8d7/0x21d0
[  614.649713]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  614.654738]  ? __sched_text_start+0x8/0x8
[  614.659133]  ? retint_kernel+0x2d/0x2d
[  614.663028]  ? find_held_lock+0x36/0x1c0
[  614.667094]  ? lock_acquire+0x1ed/0x520
[  614.671073]  ? bpf_test_run+0x3cb/0x780
[  614.675047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.680590]  ? check_preemption_disabled+0x48/0x280
[  614.685613]  ? kasan_check_read+0x11/0x20
[  614.689759]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  614.695031]  ? rcu_softirq_qs+0x20/0x20
[  614.699003]  ? preempt_schedule+0x4d/0x60
[  614.703152]  ? ___preempt_schedule+0x16/0x18
[  614.707574]  ? bpf_test_run+0x25d/0x780
[  614.711555]  ? netlink_diag_dump+0x2a0/0x2a0
[  614.715969]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  614.721500]  ? bpf_test_init.isra.10+0x70/0x100
[  614.726177]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  614.730941]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  614.735780]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  614.741350]  ? fput+0x130/0x1a0
[  614.744643]  ? __bpf_prog_get+0x9b/0x290
[  614.748715]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  614.753552]  ? bpf_prog_test_run+0x130/0x1a0
[  614.757963]  ? __x64_sys_bpf+0x3db/0x520
[  614.762019]  ? bpf_prog_get+0x20/0x20
[  614.765835]  ? do_syscall_64+0x1b9/0x820
[  614.769892]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  614.775250]  ? syscall_return_slowpath+0x5e0/0x5e0
[  614.780180]  ? trace_hardirqs_on_caller+0x310/0x310
[  614.785198]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  614.790215]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  614.796890]  ? __switch_to_asm+0x40/0x70
[  614.800949]  ? __switch_to_asm+0x34/0x70
[  614.805013]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  614.809980]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  614.815437] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  614.815541] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  614.822908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  614.822913] Call Trace:
[  614.822920]  <IRQ>
[  614.822938]  dump_stack+0x244/0x39d
[  614.822957]  ? dump_stack_print_info.cold.1+0x20/0x20
[  614.829995] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  614.839310]  warn_alloc.cold.116+0xb7/0x1bd
[  614.841852] syz-executor5 cpuset=syz5 mems_allowed=0
[  614.843990]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  614.877658]  ? lock_downgrade+0x900/0x900
[  614.881808]  ? trace_hardirqs_off+0xb8/0x310
[  614.886242]  ? trace_hardirqs_off+0xb8/0x310
[  614.890668]  __alloc_pages_slowpath+0x2651/0x2de0
[  614.895534]  ? warn_alloc+0x120/0x120
[  614.899350]  ? print_usage_bug+0xc0/0xc0
[  614.903414]  ? warn_alloc+0x120/0x120
[  614.907231]  ? warn_alloc+0x120/0x120
[  614.911029]  ? print_usage_bug+0xc0/0xc0
[  614.915092]  ? print_usage_bug+0xc0/0xc0
[  614.919151]  ? __lock_acquire+0x62f/0x4c20
[  614.923492]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  614.929025]  ? should_fail+0x22d/0xd01
[  614.932913]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  614.938100]  ? __lock_acquire+0x62f/0x4c20
[  614.942336]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  614.947432]  ? __lock_acquire+0x62f/0x4c20
[  614.951674]  ? should_fail+0x22d/0xd01
[  614.955556]  ? find_held_lock+0x36/0x1c0
[  614.959632]  ? mark_held_locks+0x130/0x130
[  614.963875]  ? mark_held_locks+0x130/0x130
[  614.968102]  ? zap_class+0x640/0x640
[  614.971809]  ? zap_class+0x640/0x640
[  614.975521]  ? print_usage_bug+0xc0/0xc0
[  614.979578]  ? do_raw_spin_unlock+0xa7/0x330
[  614.983989]  ? zap_class+0x640/0x640
[  614.987698]  ? print_usage_bug+0xc0/0xc0
[  614.991752]  ? wq_watchdog_touch+0x9c/0xfe
[  614.995983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.001517]  ? check_preemption_disabled+0x48/0x280
[  615.006533]  ? __lock_is_held+0xb5/0x140
[  615.010648]  __alloc_pages_nodemask+0xad8/0xea0
[  615.015316]  ? zap_class+0x640/0x640
[  615.019116]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  615.024138]  ? find_held_lock+0x36/0x1c0
[  615.028211]  ? ____cache_alloc_node+0x1c7/0x1e0
[  615.032878]  ? lock_downgrade+0x900/0x900
[  615.037026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.042575]  cache_grow_begin+0xa5/0x8c0
[  615.046631]  ? do_raw_spin_unlock+0xa7/0x330
[  615.051043]  fallback_alloc+0x204/0x2e0
[  615.055115]  ____cache_alloc_node+0x1c7/0x1e0
[  615.059622]  kmem_cache_alloc_node+0xe3/0x730
[  615.064135]  ? ipv6_get_ifaddr+0x42e/0x620
[  615.068382]  __alloc_skb+0x119/0x770
[  615.072106]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  615.077381]  ? netdev_alloc_frag+0x1f0/0x1f0
[  615.081785]  ? lock_downgrade+0x900/0x900
[  615.085945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.091478]  ? refcount_sub_and_test_checked+0x203/0x310
[  615.096930]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  615.102379]  ? addrconf_rs_timer+0x690/0x690
[  615.106797]  ndisc_alloc_skb+0x144/0x340
[  615.110863]  ndisc_send_rs+0x331/0x6e0
[  615.114772]  addrconf_rs_timer+0x314/0x690
[  615.119006]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  615.123245]  call_timer_fn+0x272/0x920
[  615.127128]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  615.131356]  ? process_timeout+0x40/0x40
[  615.135433]  ? mark_held_locks+0xc7/0x130
[  615.139588]  ? _raw_spin_unlock_irq+0x27/0x80
[  615.144108]  ? _raw_spin_unlock_irq+0x27/0x80
[  615.148618]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  615.152850]  ? lockdep_hardirqs_on+0x296/0x5b0
[  615.157446]  ? trace_hardirqs_on+0xbd/0x310
[  615.161763]  ? kasan_check_read+0x11/0x20
[  615.165903]  ? __run_timers+0x7da/0xc70
[  615.169871]  ? trace_hardirqs_off_caller+0x310/0x310
[  615.174970]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  615.179220]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  615.183449]  __run_timers+0x7e5/0xc70
[  615.187268]  ? timer_fixup_init+0x70/0x70
[  615.191412]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  615.196421]  ? zap_class+0x640/0x640
[  615.200136]  ? print_usage_bug+0xc0/0xc0
[  615.204195]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  615.209384]  ? find_held_lock+0x36/0x1c0
[  615.213454]  ? zap_class+0x640/0x640
[  615.217171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.222707]  ? check_preemption_disabled+0x48/0x280
[  615.227816]  ? __lock_is_held+0xb5/0x140
[  615.231876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.237406]  ? check_preemption_disabled+0x48/0x280
[  615.242434]  run_timer_softirq+0x52/0xb0
[  615.246488]  ? rcu_read_lock_sched_held+0x14f/0x180
[  615.251503]  __do_softirq+0x308/0xb7e
[  615.255304]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  615.259815]  ? lock_downgrade+0x900/0x900
[  615.263961]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  615.269073]  ? pvclock_read_flags+0x160/0x160
[  615.273577]  ? lapic_next_event+0x5a/0x90
[  615.277834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.283378]  ? kvm_clock_read+0x18/0x30
[  615.287347]  ? kvm_sched_clock_read+0x9/0x20
[  615.291769]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  615.297307]  ? check_preemption_disabled+0x48/0x280
[  615.302328]  irq_exit+0x17f/0x1c0
[  615.305780]  smp_apic_timer_interrupt+0x1cb/0x760
[  615.310625]  ? smp_reschedule_interrupt+0x109/0x650
[  615.315641]  ? smp_call_function_single_interrupt+0x650/0x650
[  615.321516]  ? interrupt_entry+0xb5/0xc0
[  615.325582]  ? trace_hardirqs_off_caller+0xbb/0x310
[  615.330601]  ? trace_hardirqs_off_caller+0xbb/0x310
[  615.335632]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  615.340470]  ? trace_hardirqs_on_caller+0x310/0x310
[  615.345480]  ? trace_hardirqs_on_caller+0x310/0x310
[  615.350492]  ? task_prio+0x50/0x50
[  615.354037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.359572]  ? check_preemption_disabled+0x48/0x280
[  615.364595]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  615.369441]  apic_timer_interrupt+0xf/0x20
[  615.373663]  </IRQ>
[  615.375991] RIP: 0010:dump_stack+0x358/0x39d
[  615.380424] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  615.399490] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  615.407192] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  615.414452] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  615.421711] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  615.428996] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  615.436257] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  615.443645]  ? dump_stack+0x34f/0x39d
[  615.447623]  ? dump_stack_print_info.cold.1+0x20/0x20
[  615.452836]  ? mark_held_locks+0x130/0x130
[  615.457061]  ? mark_held_locks+0x130/0x130
[  615.461288]  dump_header+0x27b/0xf72
[  615.465004]  ? pagefault_out_of_memory+0x197/0x197
[  615.469930]  ? __lock_acquire+0x62f/0x4c20
[  615.474157]  ? percpu_ref_get_many+0x240/0x240
[  615.478731]  ? print_usage_bug+0xc0/0xc0
[  615.482793]  ? zap_class+0x640/0x640
[  615.486502]  ? print_usage_bug+0xc0/0xc0
[  615.490561]  ? print_usage_bug+0xc0/0xc0
[  615.494621]  ? zap_class+0x640/0x640
[  615.498346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.503910]  ? find_held_lock+0x36/0x1c0
[  615.507987]  ? mark_held_locks+0xc7/0x130
[  615.512130]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  615.517224]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  615.522320]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  615.526894]  ? trace_hardirqs_on+0xbd/0x310
[  615.531213]  ? kasan_check_read+0x11/0x20
[  615.535360]  ? ___ratelimit+0x3b4/0x672
[  615.539330]  ? trace_hardirqs_off_caller+0x310/0x310
[  615.544431]  ? trace_hardirqs_on+0x310/0x310
[  615.548875]  ? lock_downgrade+0x900/0x900
[  615.553019]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  615.558137]  ? ___ratelimit+0x3b9/0x672
[  615.562130]  ? idr_get_free+0xf70/0xf70
[  615.566183]  ? find_held_lock+0x36/0x1c0
[  615.570332]  oom_kill_process.cold.27+0x10/0x903
[  615.575077]  ? zap_class+0x640/0x640
[  615.578779]  ? check_preemption_disabled+0x48/0x280
[  615.583785]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  615.588730]  ? kasan_check_read+0x11/0x20
[  615.592885]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  615.598157]  ? oom_evaluate_task+0x540/0x540
[  615.602587]  ? find_held_lock+0x36/0x1c0
[  615.606662]  ? out_of_memory+0x974/0x1430
[  615.610822]  ? lock_downgrade+0x900/0x900
[  615.614962]  ? check_preemption_disabled+0x48/0x280
[  615.619972]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  615.624891]  ? kasan_check_read+0x11/0x20
[  615.629031]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  615.634316]  ? rcu_softirq_qs+0x20/0x20
[  615.638287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  615.643820]  ? oom_evaluate_task+0x302/0x540
[  615.648226]  out_of_memory+0xa84/0x1430
[  615.652204]  ? oom_killer_disable+0x3a0/0x3a0
[  615.657125]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  615.662049]  ? __ww_mutex_check_waiters+0x160/0x160
[  615.667067]  __alloc_pages_slowpath+0x232c/0x2de0
[  615.671968]  ? warn_alloc+0x120/0x120
[  615.675774]  ? mark_held_locks+0x130/0x130
[  615.680010]  ? find_get_entry+0xaae/0x1120
[  615.684246]  ? filemap_map_pages+0x1a20/0x1a20
[  615.688829]  ? zap_class+0x640/0x640
[  615.692537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.698084]  ? check_preemption_disabled+0x48/0x280
[  615.703091]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  615.708627]  ? should_fail+0x22d/0xd01
[  615.712631]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  615.717730]  ? zap_class+0x640/0x640
[  615.721458]  ? __lock_is_held+0xb5/0x140
[  615.725615]  ? mark_held_locks+0x130/0x130
[  615.729868]  ? lock_release+0xa00/0xa00
[  615.733836]  ? perf_trace_sched_process_exec+0x860/0x860
[  615.739279]  ? xa_load+0x2ba/0x460
[  615.742813]  ? lock_downgrade+0x900/0x900
[  615.747045]  ? __might_sleep+0x95/0x190
[  615.751019]  __alloc_pages_nodemask+0xad8/0xea0
[  615.755702]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  615.760725]  ? __page_cache_alloc+0x191/0x5c0
[  615.765211]  ? xa_load+0x2e1/0x460
[  615.768745]  ? xa_clear_mark+0x40/0x40
[  615.772624]  ? zap_class+0x640/0x640
[  615.776333]  ? zap_class+0x640/0x640
[  615.780048]  ? zap_class+0x640/0x640
[  615.783757]  ? zap_class+0x640/0x640
[  615.787463]  ? __do_page_cache_readahead+0x663/0x810
[  615.792569]  ? find_held_lock+0x36/0x1c0
[  615.796633]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  615.802169]  alloc_pages_current+0x173/0x350
[  615.806582]  __page_cache_alloc+0x38c/0x5c0
[  615.810984]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  615.815906]  ? kasan_check_read+0x11/0x20
[  615.820052]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  615.825324]  ? generic_perform_write+0x6a0/0x6a0
[  615.830073]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  615.835608]  ? check_preemption_disabled+0x48/0x280
[  615.840646]  filemap_fault+0x1595/0x25f0
[  615.844730]  ? __lock_page_or_retry+0xa00/0xa00
[  615.849417]  ? mark_held_locks+0x130/0x130
[  615.853653]  ? filemap_map_pages+0xd6b/0x1a20
[  615.858148]  ? lock_downgrade+0x900/0x900
[  615.862321]  ? check_preemption_disabled+0x48/0x280
[  615.867337]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  615.872258]  ? kasan_check_read+0x11/0x20
[  615.876401]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  615.881689]  ? rcu_softirq_qs+0x20/0x20
[  615.885673]  ? filemap_map_pages+0xd92/0x1a20
[  615.890164]  ? queue_work_on+0x12c/0x1e0
[  615.894223]  ? find_get_entries_tag+0x1400/0x1400
[  615.899068]  ? debug_object_destroy+0x2b0/0x2b0
[  615.903734]  ? lock_pi_update_atomic+0x150/0x150
[  615.908488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.914030]  ? lock_acquire+0x1ed/0x520
[  615.918013]  ? ext4_filemap_fault+0x7a/0xad
[  615.922336]  ? lock_release+0xa00/0xa00
[  615.926303]  ? perf_trace_sched_process_exec+0x860/0x860
[  615.931750]  ? print_usage_bug+0xc0/0xc0
[  615.935812]  ? print_usage_bug+0xc0/0xc0
[  615.939901]  ? down_read+0x8d/0x120
[  615.943521]  ? ext4_filemap_fault+0x7a/0xad
[  615.947849]  ? __down_interruptible+0x700/0x700
[  615.952525]  ext4_filemap_fault+0x82/0xad
[  615.956677]  __do_fault+0x100/0x6b0
[  615.960296]  ? find_held_lock+0x36/0x1c0
[  615.964354]  ? pmd_devmap_trans_unstable+0x220/0x220
[  615.969466]  ? mark_held_locks+0x130/0x130
[  615.973700]  ? mark_held_locks+0x130/0x130
[  615.977942]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  615.983482]  __handle_mm_fault+0x3ea0/0x5be0
[  615.987885]  ? perf_trace_lock+0x7a0/0x7a0
[  615.992122]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  615.996965]  ? __switch_to_asm+0x34/0x70
[  616.001021]  ? __switch_to_asm+0x34/0x70
[  616.005091]  ? zap_class+0x640/0x640
[  616.008805]  ? zap_class+0x640/0x640
[  616.012509]  ? __x64_sys_futex+0x53e/0x6a0
[  616.016754]  ? find_held_lock+0x36/0x1c0
[  616.020837]  ? handle_mm_fault+0x42a/0xc70
[  616.025071]  ? lock_downgrade+0x900/0x900
[  616.029300]  ? check_preemption_disabled+0x48/0x280
[  616.034315]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  616.039244]  ? kasan_check_read+0x11/0x20
[  616.043384]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  616.048654]  ? rcu_softirq_qs+0x20/0x20
[  616.052629]  ? trace_hardirqs_off_caller+0x310/0x310
[  616.057726]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  616.063256]  ? check_preemption_disabled+0x48/0x280
[  616.068292]  handle_mm_fault+0x54f/0xc70
[  616.072349]  ? __handle_mm_fault+0x5be0/0x5be0
[  616.076930]  ? find_vma+0x34/0x190
[  616.080468]  __do_page_fault+0x5e8/0xe60
[  616.084529]  ? trace_hardirqs_off+0xb8/0x310
[  616.088944]  do_page_fault+0xf2/0x7e0
[  616.092740]  ? vmalloc_sync_all+0x30/0x30
[  616.096878]  ? error_entry+0x70/0xd0
[  616.100682]  ? trace_hardirqs_off_caller+0xbb/0x310
[  616.105691]  ? trace_hardirqs_on_caller+0xc0/0x310
[  616.110614]  ? syscall_return_slowpath+0x5e0/0x5e0
[  616.115558]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  616.120397]  ? trace_hardirqs_on_caller+0x310/0x310
[  616.125406]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  616.130849]  ? prepare_exit_to_usermode+0x291/0x3b0
[  616.135859]  ? page_fault+0x8/0x30
[  616.139397]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  616.144237]  ? page_fault+0x8/0x30
[  616.147782]  page_fault+0x1e/0x30
[  616.151343] RIP: 0033:0x40f9c0
[  616.154552] Code: Bad RIP value.
[  616.157909] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  616.163264] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  616.170542] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  616.177810] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  616.185070] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  616.192333] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  616.199619] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  616.199624] warn_alloc_show_mem: 1 callbacks suppressed
[  616.199630] Mem-Info:
[  616.206896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  616.212256] active_anon:54071 inactive_anon:192 isolated_anon:0
[  616.212256]  active_file:13 inactive_file:14 isolated_file:0
[  616.212256]  unevictable:0 dirty:0 writeback:0 unstable:0
[  616.212256]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  616.212256]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  616.212256]  free:13779 free_pcp:228 free_cma:0
[  616.214622] Call Trace:
[  616.224013] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  616.256855]  <IRQ>
[  616.259421] 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
[  616.286916]  dump_stack+0x244/0x39d
[  616.289036] lowmem_reserve[]: 0 2818 6321 6321
[  616.315226]  ? dump_stack_print_info.cold.1+0x20/0x20
[  616.318828] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  616.323411]  warn_alloc.cold.116+0xb7/0x1bd
[  616.328569] lowmem_reserve[]: 0 0 3503 3503
[  616.356258]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  616.360557] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  616.364871]  ? lock_downgrade+0x900/0x900
[  616.369680] lowmem_reserve[]: 0 0 0 0
[  616.398951]  ? trace_hardirqs_off+0xb8/0x310
[  616.403082] 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
[  616.406881]  ? trace_hardirqs_off+0xb8/0x310
[  616.411273] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  616.424808]  __alloc_pages_slowpath+0x2651/0x2de0
[  616.429185] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  616.445071]  ? warn_alloc+0x120/0x120
[  616.449866] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  616.465551]  ? print_usage_bug+0xc0/0xc0
[  616.469329] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  616.478160]  ? warn_alloc+0x120/0x120
[  616.482205] 271 total pagecache pages
[  616.490770]  ? warn_alloc+0x120/0x120
[  616.494555] 0 pages in swap cache
[  616.498336]  ? print_usage_bug+0xc0/0xc0
[  616.502108] Swap cache stats: add 0, delete 0, find 0/0
[  616.505550]  ? print_usage_bug+0xc0/0xc0
[  616.509584] Free swap  = 0kB
[  616.514935]  ? __lock_acquire+0x62f/0x4c20
[  616.518968] Total swap = 0kB
[  616.521994]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  616.526196] 1965979 pages RAM
[  616.529215]  ? should_fail+0x22d/0xd01
[  616.534732] 0 pages HighMem/MovableOnly
[  616.537819]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  616.541679] 342854 pages reserved
[  616.545640]  ? __lock_acquire+0x62f/0x4c20
[  616.550710] 0 pages cma reserved
[  616.554150]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  616.558419] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  616.561702]  ? __lock_acquire+0x62f/0x4c20
[  616.561715]  ? should_fail+0x22d/0xd01
[  616.561731]  ? find_held_lock+0x36/0x1c0
[  616.566890] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  616.573291]  ? mark_held_locks+0x130/0x130
[  616.577495] syz-fuzzer cpuset=/ mems_allowed=0
[  616.581375]  ? mark_held_locks+0x130/0x130
[  616.608627]  ? zap_class+0x640/0x640
[  616.612357]  ? zap_class+0x640/0x640
[  616.616098]  ? print_usage_bug+0xc0/0xc0
[  616.620153]  ? do_raw_spin_unlock+0xa7/0x330
[  616.624558]  ? zap_class+0x640/0x640
[  616.628267]  ? print_usage_bug+0xc0/0xc0
[  616.632324]  ? wq_watchdog_touch+0x9c/0xfe
[  616.636568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.642106]  ? check_preemption_disabled+0x48/0x280
[  616.647127]  ? __lock_is_held+0xb5/0x140
[  616.651189]  __alloc_pages_nodemask+0xad8/0xea0
[  616.655862]  ? zap_class+0x640/0x640
[  616.660059]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  616.665089]  ? find_held_lock+0x36/0x1c0
[  616.669158]  ? ____cache_alloc_node+0x1c7/0x1e0
[  616.673841]  ? lock_downgrade+0x900/0x900
[  616.677994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.683539]  cache_grow_begin+0xa5/0x8c0
[  616.687596]  ? do_raw_spin_unlock+0xa7/0x330
[  616.692025]  fallback_alloc+0x204/0x2e0
[  616.696028]  ____cache_alloc_node+0x1c7/0x1e0
[  616.700532]  kmem_cache_alloc_node+0xe3/0x730
[  616.705025]  ? ipv6_get_ifaddr+0x42e/0x620
[  616.709266]  __alloc_skb+0x119/0x770
[  616.712975]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  616.718251]  ? netdev_alloc_frag+0x1f0/0x1f0
[  616.722665]  ? lock_downgrade+0x900/0x900
[  616.726813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.732342]  ? refcount_sub_and_test_checked+0x203/0x310
[  616.737816]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  616.743262]  ? addrconf_rs_timer+0x690/0x690
[  616.747676]  ndisc_alloc_skb+0x144/0x340
[  616.751735]  ndisc_send_rs+0x331/0x6e0
[  616.755629]  addrconf_rs_timer+0x314/0x690
[  616.759865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  616.764102]  call_timer_fn+0x272/0x920
[  616.767983]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  616.772213]  ? process_timeout+0x40/0x40
[  616.776277]  ? __run_timers+0x7da/0xc70
[  616.780248]  ? _raw_spin_unlock_irq+0x27/0x80
[  616.784738]  ? _raw_spin_unlock_irq+0x27/0x80
[  616.789228]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  616.793457]  ? lockdep_hardirqs_on+0x296/0x5b0
[  616.798035]  ? trace_hardirqs_on+0xbd/0x310
[  616.802357]  ? kasan_check_read+0x11/0x20
[  616.806495]  ? __run_timers+0x7da/0xc70
[  616.810470]  ? trace_hardirqs_off_caller+0x310/0x310
[  616.815573]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  616.819804]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  616.824647]  __run_timers+0x7e5/0xc70
[  616.828456]  ? timer_fixup_init+0x70/0x70
[  616.832602]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  616.837614]  ? zap_class+0x640/0x640
[  616.841324]  ? enqueue_hrtimer+0x1a5/0x560
[  616.845573]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  616.850772]  ? find_held_lock+0x36/0x1c0
[  616.854830]  ? zap_class+0x640/0x640
[  616.858549]  ? pvclock_read_flags+0x160/0x160
[  616.863043]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.868595]  ? check_preemption_disabled+0x48/0x280
[  616.873636]  ? __lock_is_held+0xb5/0x140
[  616.877691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.883227]  ? check_preemption_disabled+0x48/0x280
[  616.888240]  run_timer_softirq+0x52/0xb0
[  616.892300]  ? rcu_read_lock_sched_held+0x14f/0x180
[  616.897313]  __do_softirq+0x308/0xb7e
[  616.901110]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  616.905615]  ? lock_downgrade+0x900/0x900
[  616.909763]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  616.914868]  ? pvclock_read_flags+0x160/0x160
[  616.919369]  ? lapic_next_event+0x5a/0x90
[  616.923521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.929088]  ? kvm_clock_read+0x18/0x30
[  616.933061]  ? kvm_sched_clock_read+0x9/0x20
[  616.937505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.943059]  ? check_preemption_disabled+0x48/0x280
[  616.948093]  irq_exit+0x17f/0x1c0
[  616.951549]  smp_apic_timer_interrupt+0x1cb/0x760
[  616.956386]  ? smp_reschedule_interrupt+0x109/0x650
[  616.961399]  ? smp_call_function_single_interrupt+0x650/0x650
[  616.967279]  ? interrupt_entry+0xb5/0xc0
[  616.971338]  ? trace_hardirqs_off_caller+0xbb/0x310
[  616.976357]  ? trace_hardirqs_off_caller+0xbb/0x310
[  616.981374]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  616.986212]  ? trace_hardirqs_on_caller+0x310/0x310
[  616.991226]  ? trace_hardirqs_on_caller+0x310/0x310
[  616.996235]  ? task_prio+0x50/0x50
[  616.999774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.005305]  ? check_preemption_disabled+0x48/0x280
[  617.010324]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  617.015172]  apic_timer_interrupt+0xf/0x20
[  617.019400]  </IRQ>
[  617.021637] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  617.026568] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  617.045461] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  617.053163] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  617.060452] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  617.067715] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  617.074977] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  617.082239] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  617.089547]  skb_clone+0x1bb/0x500
[  617.093089]  ? finish_task_switch+0x1b4/0x910
[  617.097582]  ? skb_split+0x11e0/0x11e0
[  617.101480]  ? preempt_notifier_register+0x200/0x200
[  617.106579]  ? __switch_to_asm+0x34/0x70
[  617.110635]  ? __switch_to_asm+0x34/0x70
[  617.114698]  ? __switch_to_asm+0x40/0x70
[  617.118753]  ? __switch_to_asm+0x34/0x70
[  617.122809]  ? __switch_to_asm+0x40/0x70
[  617.126872]  ? __switch_to_asm+0x34/0x70
[  617.131010]  ? __switch_to_asm+0x40/0x70
[  617.135084]  ? __switch_to_asm+0x34/0x70
[  617.139151]  ? __switch_to_asm+0x34/0x70
[  617.143207]  ? __switch_to_asm+0x40/0x70
[  617.147262]  ? __switch_to_asm+0x34/0x70
[  617.151323]  bpf_clone_redirect+0xb9/0x490
[  617.155554]  ? __schedule+0x8d7/0x21d0
[  617.159446]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  617.164458]  ? __sched_text_start+0x8/0x8
[  617.168634]  ? retint_kernel+0x2d/0x2d
[  617.172549]  ? find_held_lock+0x36/0x1c0
[  617.176612]  ? lock_acquire+0x1ed/0x520
[  617.180584]  ? bpf_test_run+0x3cb/0x780
[  617.184558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.190179]  ? check_preemption_disabled+0x48/0x280
[  617.195198]  ? kasan_check_read+0x11/0x20
[  617.199344]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  617.204638]  ? rcu_softirq_qs+0x20/0x20
[  617.208609]  ? preempt_schedule+0x4d/0x60
[  617.212754]  ? ___preempt_schedule+0x16/0x18
[  617.217164]  ? bpf_test_run+0x25d/0x780
[  617.221143]  ? netlink_diag_dump+0x2a0/0x2a0
[  617.225547]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  617.231083]  ? bpf_test_init.isra.10+0x70/0x100
[  617.235791]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  617.240552]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  617.245387]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  617.250920]  ? fput+0x130/0x1a0
[  617.254217]  ? __bpf_prog_get+0x9b/0x290
[  617.258376]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  617.263216]  ? bpf_prog_test_run+0x130/0x1a0
[  617.267624]  ? __x64_sys_bpf+0x3db/0x520
[  617.271680]  ? bpf_prog_get+0x20/0x20
[  617.275497]  ? do_syscall_64+0x1b9/0x820
[  617.279574]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  617.284939]  ? syscall_return_slowpath+0x5e0/0x5e0
[  617.289867]  ? trace_hardirqs_on_caller+0x310/0x310
[  617.294884]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  617.299898]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  617.306559]  ? __switch_to_asm+0x40/0x70
[  617.310616]  ? __switch_to_asm+0x34/0x70
[  617.314679]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  617.319530]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  617.324910] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  617.325004] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  617.331923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  617.331928] Call Trace:
[  617.331934]  <IRQ>
[  617.331952]  dump_stack+0x244/0x39d
[  617.331972]  ? dump_stack_print_info.cold.1+0x20/0x20
[  617.338490] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  617.347792]  warn_alloc.cold.116+0xb7/0x1bd
[  617.350339] syz-executor5 cpuset=syz5 mems_allowed=0
[  617.352482]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  617.385941]  ? lock_downgrade+0x900/0x900
[  617.390093]  ? trace_hardirqs_off+0xb8/0x310
[  617.394518]  ? trace_hardirqs_off+0xb8/0x310
[  617.398932]  __alloc_pages_slowpath+0x2651/0x2de0
[  617.403798]  ? warn_alloc+0x120/0x120
[  617.407596]  ? print_usage_bug+0xc0/0xc0
[  617.411660]  ? warn_alloc+0x120/0x120
[  617.415482]  ? warn_alloc+0x120/0x120
[  617.419285]  ? print_usage_bug+0xc0/0xc0
[  617.423348]  ? print_usage_bug+0xc0/0xc0
[  617.427428]  ? __lock_acquire+0x62f/0x4c20
[  617.431680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  617.437311]  ? should_fail+0x22d/0xd01
[  617.441200]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  617.446304]  ? __lock_acquire+0x62f/0x4c20
[  617.450544]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  617.455643]  ? __lock_acquire+0x62f/0x4c20
[  617.459869]  ? should_fail+0x22d/0xd01
[  617.463753]  ? find_held_lock+0x36/0x1c0
[  617.467828]  ? mark_held_locks+0x130/0x130
[  617.472063]  ? mark_held_locks+0x130/0x130
[  617.476295]  ? zap_class+0x640/0x640
[  617.480004]  ? zap_class+0x640/0x640
[  617.483799]  ? print_usage_bug+0xc0/0xc0
[  617.487850]  ? do_raw_spin_unlock+0xa7/0x330
[  617.492255]  ? zap_class+0x640/0x640
[  617.495979]  ? print_usage_bug+0xc0/0xc0
[  617.500056]  ? wq_watchdog_touch+0x9c/0xfe
[  617.504293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.509830]  ? check_preemption_disabled+0x48/0x280
[  617.514847]  ? __lock_is_held+0xb5/0x140
[  617.518906]  __alloc_pages_nodemask+0xad8/0xea0
[  617.523653]  ? zap_class+0x640/0x640
[  617.527363]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  617.532385]  ? find_held_lock+0x36/0x1c0
[  617.536469]  ? ____cache_alloc_node+0x1c7/0x1e0
[  617.541143]  ? lock_downgrade+0x900/0x900
[  617.545294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.550828]  cache_grow_begin+0xa5/0x8c0
[  617.554882]  ? do_raw_spin_unlock+0xa7/0x330
[  617.559295]  fallback_alloc+0x204/0x2e0
[  617.563268]  ____cache_alloc_node+0x1c7/0x1e0
[  617.567762]  kmem_cache_alloc_node+0xe3/0x730
[  617.572249]  ? ipv6_get_ifaddr+0x42e/0x620
[  617.576509]  __alloc_skb+0x119/0x770
[  617.580222]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  617.585532]  ? netdev_alloc_frag+0x1f0/0x1f0
[  617.589942]  ? lock_downgrade+0x900/0x900
[  617.594092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.599628]  ? refcount_sub_and_test_checked+0x203/0x310
[  617.605076]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  617.610525]  ? addrconf_rs_timer+0x690/0x690
[  617.614954]  ndisc_alloc_skb+0x144/0x340
[  617.619012]  ndisc_send_rs+0x331/0x6e0
[  617.622900]  addrconf_rs_timer+0x314/0x690
[  617.627134]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  617.631375]  call_timer_fn+0x272/0x920
[  617.635273]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  617.639508]  ? process_timeout+0x40/0x40
[  617.643597]  ? mark_held_locks+0xc7/0x130
[  617.647760]  ? _raw_spin_unlock_irq+0x27/0x80
[  617.652249]  ? _raw_spin_unlock_irq+0x27/0x80
[  617.656740]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  617.660971]  ? lockdep_hardirqs_on+0x296/0x5b0
[  617.665556]  ? trace_hardirqs_on+0xbd/0x310
[  617.669874]  ? kasan_check_read+0x11/0x20
[  617.674030]  ? __run_timers+0x7da/0xc70
[  617.678020]  ? trace_hardirqs_off_caller+0x310/0x310
[  617.683139]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  617.687462]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  617.691690]  __run_timers+0x7e5/0xc70
[  617.695504]  ? timer_fixup_init+0x70/0x70
[  617.699653]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  617.704668]  ? zap_class+0x640/0x640
[  617.708408]  ? print_usage_bug+0xc0/0xc0
[  617.712478]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  617.717677]  ? find_held_lock+0x36/0x1c0
[  617.721748]  ? zap_class+0x640/0x640
[  617.725473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.731018]  ? check_preemption_disabled+0x48/0x280
[  617.736830]  ? __lock_is_held+0xb5/0x140
[  617.740891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.746422]  ? check_preemption_disabled+0x48/0x280
[  617.751450]  run_timer_softirq+0x52/0xb0
[  617.755617]  ? rcu_read_lock_sched_held+0x14f/0x180
[  617.760634]  __do_softirq+0x308/0xb7e
[  617.764429]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  617.769035]  ? lock_downgrade+0x900/0x900
[  617.773186]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  617.778293]  ? pvclock_read_flags+0x160/0x160
[  617.782781]  ? lapic_next_event+0x5a/0x90
[  617.786922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.792461]  ? kvm_clock_read+0x18/0x30
[  617.796428]  ? kvm_sched_clock_read+0x9/0x20
[  617.800839]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  617.806370]  ? check_preemption_disabled+0x48/0x280
[  617.811393]  irq_exit+0x17f/0x1c0
[  617.814843]  smp_apic_timer_interrupt+0x1cb/0x760
[  617.819680]  ? smp_reschedule_interrupt+0x109/0x650
[  617.824692]  ? smp_call_function_single_interrupt+0x650/0x650
[  617.830570]  ? interrupt_entry+0xb5/0xc0
[  617.834631]  ? trace_hardirqs_off_caller+0xbb/0x310
[  617.839727]  ? trace_hardirqs_off_caller+0xbb/0x310
[  617.844742]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  617.849580]  ? trace_hardirqs_on_caller+0x310/0x310
[  617.854589]  ? trace_hardirqs_on_caller+0x310/0x310
[  617.859599]  ? task_prio+0x50/0x50
[  617.863150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.868685]  ? check_preemption_disabled+0x48/0x280
[  617.873703]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  617.878559]  apic_timer_interrupt+0xf/0x20
[  617.882783]  </IRQ>
[  617.885016] RIP: 0010:dump_stack+0x358/0x39d
[  617.889423] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  617.908320] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  617.916030] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  617.923295] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  617.930560] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  617.937908] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  617.945170] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  617.952447]  ? dump_stack+0x34f/0x39d
[  617.956273]  ? dump_stack_print_info.cold.1+0x20/0x20
[  617.961459]  ? mark_held_locks+0x130/0x130
[  617.965696]  ? mark_held_locks+0x130/0x130
[  617.969938]  dump_header+0x27b/0xf72
[  617.973658]  ? pagefault_out_of_memory+0x197/0x197
[  617.978588]  ? __lock_acquire+0x62f/0x4c20
[  617.982820]  ? percpu_ref_get_many+0x240/0x240
[  617.987398]  ? print_usage_bug+0xc0/0xc0
[  617.991458]  ? zap_class+0x640/0x640
[  617.995199]  ? print_usage_bug+0xc0/0xc0
[  617.999264]  ? print_usage_bug+0xc0/0xc0
[  618.003329]  ? zap_class+0x640/0x640
[  618.007057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  618.012600]  ? find_held_lock+0x36/0x1c0
[  618.016665]  ? mark_held_locks+0xc7/0x130
[  618.020854]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  618.025953]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  618.031049]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  618.035629]  ? trace_hardirqs_on+0xbd/0x310
[  618.039957]  ? kasan_check_read+0x11/0x20
[  618.044099]  ? ___ratelimit+0x3b4/0x672
[  618.048071]  ? trace_hardirqs_off_caller+0x310/0x310
[  618.053174]  ? trace_hardirqs_on+0x310/0x310
[  618.057579]  ? lock_downgrade+0x900/0x900
[  618.061731]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  618.066833]  ? ___ratelimit+0x3b9/0x672
[  618.070806]  ? idr_get_free+0xf70/0xf70
[  618.074773]  ? find_held_lock+0x36/0x1c0
[  618.078837]  oom_kill_process.cold.27+0x10/0x903
[  618.083589]  ? zap_class+0x640/0x640
[  618.087296]  ? check_preemption_disabled+0x48/0x280
[  618.092311]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  618.097235]  ? kasan_check_read+0x11/0x20
[  618.101382]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  618.106656]  ? oom_evaluate_task+0x540/0x540
[  618.111065]  ? find_held_lock+0x36/0x1c0
[  618.115128]  ? out_of_memory+0x974/0x1430
[  618.119275]  ? lock_downgrade+0x900/0x900
[  618.123415]  ? check_preemption_disabled+0x48/0x280
[  618.128429]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  618.133352]  ? kasan_check_read+0x11/0x20
[  618.137505]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  618.142784]  ? rcu_softirq_qs+0x20/0x20
[  618.146778]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  618.152310]  ? oom_evaluate_task+0x302/0x540
[  618.156722]  out_of_memory+0xa84/0x1430
[  618.160700]  ? oom_killer_disable+0x3a0/0x3a0
[  618.165191]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  618.170131]  ? __ww_mutex_check_waiters+0x160/0x160
[  618.175170]  __alloc_pages_slowpath+0x232c/0x2de0
[  618.180035]  ? warn_alloc+0x120/0x120
[  618.183829]  ? mark_held_locks+0x130/0x130
[  618.188064]  ? find_get_entry+0xaae/0x1120
[  618.192304]  ? filemap_map_pages+0x1a20/0x1a20
[  618.196883]  ? zap_class+0x640/0x640
[  618.200592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  618.206121]  ? check_preemption_disabled+0x48/0x280
[  618.211129]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  618.216669]  ? should_fail+0x22d/0xd01
[  618.220563]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  618.225686]  ? zap_class+0x640/0x640
[  618.229415]  ? __lock_is_held+0xb5/0x140
[  618.233474]  ? mark_held_locks+0x130/0x130
[  618.237712]  ? lock_release+0xa00/0xa00
[  618.241680]  ? perf_trace_sched_process_exec+0x860/0x860
[  618.247308]  ? xa_load+0x2ba/0x460
[  618.250841]  ? lock_downgrade+0x900/0x900
[  618.254989]  ? __might_sleep+0x95/0x190
[  618.258962]  __alloc_pages_nodemask+0xad8/0xea0
[  618.263646]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  618.268659]  ? __page_cache_alloc+0x191/0x5c0
[  618.273230]  ? xa_load+0x2e1/0x460
[  618.276764]  ? xa_clear_mark+0x40/0x40
[  618.280662]  ? zap_class+0x640/0x640
[  618.284380]  ? zap_class+0x640/0x640
[  618.288099]  ? zap_class+0x640/0x640
[  618.291823]  ? zap_class+0x640/0x640
[  618.295535]  ? __do_page_cache_readahead+0x663/0x810
[  618.300636]  ? find_held_lock+0x36/0x1c0
[  618.304705]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  618.310242]  alloc_pages_current+0x173/0x350
[  618.314650]  __page_cache_alloc+0x38c/0x5c0
[  618.318968]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  618.323895]  ? kasan_check_read+0x11/0x20
[  618.328037]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  618.333312]  ? generic_perform_write+0x6a0/0x6a0
[  618.338066]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  618.343616]  ? check_preemption_disabled+0x48/0x280
[  618.348648]  filemap_fault+0x1595/0x25f0
[  618.352715]  ? __lock_page_or_retry+0xa00/0xa00
[  618.357386]  ? mark_held_locks+0x130/0x130
[  618.361627]  ? filemap_map_pages+0xd6b/0x1a20
[  618.366118]  ? lock_downgrade+0x900/0x900
[  618.370261]  ? check_preemption_disabled+0x48/0x280
[  618.375273]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  618.380203]  ? kasan_check_read+0x11/0x20
[  618.384345]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  618.389621]  ? rcu_softirq_qs+0x20/0x20
[  618.393605]  ? filemap_map_pages+0xd92/0x1a20
[  618.398106]  ? queue_work_on+0x12c/0x1e0
[  618.402197]  ? find_get_entries_tag+0x1400/0x1400
[  618.407043]  ? debug_object_destroy+0x2b0/0x2b0
[  618.411708]  ? lock_pi_update_atomic+0x150/0x150
[  618.416466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  618.422025]  ? lock_acquire+0x1ed/0x520
[  618.425995]  ? ext4_filemap_fault+0x7a/0xad
[  618.430322]  ? lock_release+0xa00/0xa00
[  618.434289]  ? perf_trace_sched_process_exec+0x860/0x860
[  618.439759]  ? print_usage_bug+0xc0/0xc0
[  618.443821]  ? print_usage_bug+0xc0/0xc0
[  618.447889]  ? down_read+0x8d/0x120
[  618.451518]  ? ext4_filemap_fault+0x7a/0xad
[  618.455856]  ? __down_interruptible+0x700/0x700
[  618.460535]  ext4_filemap_fault+0x82/0xad
[  618.464682]  __do_fault+0x100/0x6b0
[  618.468304]  ? find_held_lock+0x36/0x1c0
[  618.472364]  ? pmd_devmap_trans_unstable+0x220/0x220
[  618.477466]  ? mark_held_locks+0x130/0x130
[  618.481702]  ? mark_held_locks+0x130/0x130
[  618.485941]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  618.491491]  __handle_mm_fault+0x3ea0/0x5be0
[  618.495898]  ? perf_trace_lock+0x7a0/0x7a0
[  618.500134]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  618.504977]  ? __switch_to_asm+0x34/0x70
[  618.509053]  ? __switch_to_asm+0x34/0x70
[  618.513133]  ? zap_class+0x640/0x640
[  618.516842]  ? zap_class+0x640/0x640
[  618.520549]  ? __x64_sys_futex+0x53e/0x6a0
[  618.524783]  ? find_held_lock+0x36/0x1c0
[  618.528864]  ? handle_mm_fault+0x42a/0xc70
[  618.533095]  ? lock_downgrade+0x900/0x900
[  618.537238]  ? check_preemption_disabled+0x48/0x280
[  618.542275]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  618.547221]  ? kasan_check_read+0x11/0x20
[  618.551366]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  618.556643]  ? rcu_softirq_qs+0x20/0x20
[  618.560727]  ? trace_hardirqs_off_caller+0x310/0x310
[  618.565832]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  618.571369]  ? check_preemption_disabled+0x48/0x280
[  618.576391]  handle_mm_fault+0x54f/0xc70
[  618.580453]  ? __handle_mm_fault+0x5be0/0x5be0
[  618.585055]  ? find_vma+0x34/0x190
[  618.588607]  __do_page_fault+0x5e8/0xe60
[  618.592753]  ? trace_hardirqs_off+0xb8/0x310
[  618.597168]  do_page_fault+0xf2/0x7e0
[  618.600964]  ? vmalloc_sync_all+0x30/0x30
[  618.605107]  ? error_entry+0x70/0xd0
[  618.608817]  ? trace_hardirqs_off_caller+0xbb/0x310
[  618.613826]  ? trace_hardirqs_on_caller+0xc0/0x310
[  618.618759]  ? syscall_return_slowpath+0x5e0/0x5e0
[  618.623683]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  618.628525]  ? trace_hardirqs_on_caller+0x310/0x310
[  618.633542]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  618.638993]  ? prepare_exit_to_usermode+0x291/0x3b0
[  618.644121]  ? page_fault+0x8/0x30
[  618.647673]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  618.652518]  ? page_fault+0x8/0x30
[  618.656556]  page_fault+0x1e/0x30
[  618.660008] RIP: 0033:0x40f9c0
[  618.663213] Code: Bad RIP value.
[  618.666573] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  618.671930] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  618.679194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  618.686458] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  618.693762] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  618.701111] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  618.708409] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  618.708413] warn_alloc_show_mem: 1 callbacks suppressed
[  618.708420] Mem-Info:
[  618.715682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  618.715689] Call Trace:
[  618.721059] active_anon:54071 inactive_anon:192 isolated_anon:0
[  618.721059]  active_file:13 inactive_file:14 isolated_file:0
[  618.721059]  unevictable:0 dirty:0 writeback:0 unstable:0
[  618.721059]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  618.721059]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  618.721059]  free:13779 free_pcp:228 free_cma:0
[  618.723424]  <IRQ>
[  618.732778] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  618.735352]  dump_stack+0x244/0x39d
[  618.768198] 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
[  618.770362]  ? dump_stack_print_info.cold.1+0x20/0x20
[  618.797826] lowmem_reserve[]: 0 2818 6321 6321
[  618.801452]  warn_alloc.cold.116+0xb7/0x1bd
[  618.827960] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  618.833169]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  618.837718] lowmem_reserve[]: 0 0 3503 3503
[  618.842135]  ? lock_downgrade+0x900/0x900
[  618.869786] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  618.874626]  ? trace_hardirqs_off+0xb8/0x310
[  618.878934] lowmem_reserve[]: 0 0 0 0
[  618.883076]  ? trace_hardirqs_off+0xb8/0x310
[  618.911931] 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
[  618.916332]  __alloc_pages_slowpath+0x2651/0x2de0
[  618.920096] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  618.924518]  ? warn_alloc+0x120/0x120
[  618.938006] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  618.942849]  ? print_usage_bug+0xc0/0xc0
[  618.958784] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  618.962569]  ? warn_alloc+0x120/0x120
[  618.978356] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  618.982405]  ? warn_alloc+0x120/0x120
[  618.991324] 271 total pagecache pages
[  618.995110]  ? print_usage_bug+0xc0/0xc0
[  619.003665] 0 pages in swap cache
[  619.007459]  ? print_usage_bug+0xc0/0xc0
[  619.011235] Swap cache stats: add 0, delete 0, find 0/0
[  619.011242] Free swap  = 0kB
[  619.015377]  ? __lock_acquire+0x62f/0x4c20
[  619.018797] Total swap = 0kB
[  619.018804] 1965979 pages RAM
[  619.022867]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  619.028279] 0 pages HighMem/MovableOnly
[  619.028286] 342854 pages reserved
[  619.031295]  ? should_fail+0x22d/0xd01
[  619.035493] 0 pages cma reserved
[  619.035599] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  619.038508]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  619.041762] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  619.047204]  ? __lock_acquire+0x62f/0x4c20
[  619.051151] syz-fuzzer cpuset=/ mems_allowed=0
[  619.054595]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  619.097652]  ? __lock_acquire+0x62f/0x4c20
[  619.101886]  ? should_fail+0x22d/0xd01
[  619.105784]  ? find_held_lock+0x36/0x1c0
[  619.109850]  ? mark_held_locks+0x130/0x130
[  619.114088]  ? mark_held_locks+0x130/0x130
[  619.118404]  ? zap_class+0x640/0x640
[  619.122218]  ? zap_class+0x640/0x640
[  619.125935]  ? print_usage_bug+0xc0/0xc0
[  619.129990]  ? do_raw_spin_unlock+0xa7/0x330
[  619.134398]  ? zap_class+0x640/0x640
[  619.138107]  ? print_usage_bug+0xc0/0xc0
[  619.142164]  ? wq_watchdog_touch+0x9c/0xfe
[  619.146396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.151933]  ? check_preemption_disabled+0x48/0x280
[  619.156953]  ? __lock_is_held+0xb5/0x140
[  619.161033]  __alloc_pages_nodemask+0xad8/0xea0
[  619.165697]  ? zap_class+0x640/0x640
[  619.169412]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  619.174433]  ? find_held_lock+0x36/0x1c0
[  619.178504]  ? ____cache_alloc_node+0x1c7/0x1e0
[  619.183273]  ? lock_downgrade+0x900/0x900
[  619.187430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.192986]  cache_grow_begin+0xa5/0x8c0
[  619.197060]  ? do_raw_spin_unlock+0xa7/0x330
[  619.201475]  fallback_alloc+0x204/0x2e0
[  619.205452]  ____cache_alloc_node+0x1c7/0x1e0
[  619.209956]  kmem_cache_alloc_node+0xe3/0x730
[  619.214450]  ? ipv6_get_ifaddr+0x42e/0x620
[  619.218694]  __alloc_skb+0x119/0x770
[  619.222406]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  619.227682]  ? netdev_alloc_frag+0x1f0/0x1f0
[  619.232091]  ? lock_downgrade+0x900/0x900
[  619.236237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.241773]  ? refcount_sub_and_test_checked+0x203/0x310
[  619.247220]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  619.252676]  ? addrconf_rs_timer+0x690/0x690
[  619.257093]  ndisc_alloc_skb+0x144/0x340
[  619.261153]  ndisc_send_rs+0x331/0x6e0
[  619.265041]  addrconf_rs_timer+0x314/0x690
[  619.269281]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  619.273522]  call_timer_fn+0x272/0x920
[  619.277405]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  619.281721]  ? process_timeout+0x40/0x40
[  619.285786]  ? __run_timers+0x7da/0xc70
[  619.289766]  ? _raw_spin_unlock_irq+0x27/0x80
[  619.294255]  ? _raw_spin_unlock_irq+0x27/0x80
[  619.298757]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  619.302985]  ? lockdep_hardirqs_on+0x296/0x5b0
[  619.307691]  ? trace_hardirqs_on+0xbd/0x310
[  619.312014]  ? kasan_check_read+0x11/0x20
[  619.316159]  ? __run_timers+0x7da/0xc70
[  619.320133]  ? trace_hardirqs_off_caller+0x310/0x310
[  619.325233]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  619.329472]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  619.333704]  __run_timers+0x7e5/0xc70
[  619.337609]  ? timer_fixup_init+0x70/0x70
[  619.341752]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  619.346769]  ? zap_class+0x640/0x640
[  619.350488]  ? enqueue_hrtimer+0x1a5/0x560
[  619.354719]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  619.359911]  ? find_held_lock+0x36/0x1c0
[  619.364091]  ? zap_class+0x640/0x640
[  619.367801]  ? pvclock_read_flags+0x160/0x160
[  619.372301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.377833]  ? check_preemption_disabled+0x48/0x280
[  619.382852]  ? __lock_is_held+0xb5/0x140
[  619.386907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.392558]  ? check_preemption_disabled+0x48/0x280
[  619.397583]  run_timer_softirq+0x52/0xb0
[  619.401643]  ? rcu_read_lock_sched_held+0x14f/0x180
[  619.406654]  __do_softirq+0x308/0xb7e
[  619.410446]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  619.414934]  ? lock_downgrade+0x900/0x900
[  619.419089]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  619.424204]  ? pvclock_read_flags+0x160/0x160
[  619.428693]  ? lapic_next_event+0x5a/0x90
[  619.432839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.438375]  ? kvm_clock_read+0x18/0x30
[  619.442348]  ? kvm_sched_clock_read+0x9/0x20
[  619.446754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.452374]  ? check_preemption_disabled+0x48/0x280
[  619.457395]  irq_exit+0x17f/0x1c0
[  619.460848]  smp_apic_timer_interrupt+0x1cb/0x760
[  619.465719]  ? smp_reschedule_interrupt+0x109/0x650
[  619.470747]  ? smp_call_function_single_interrupt+0x650/0x650
[  619.476628]  ? interrupt_entry+0xb5/0xc0
[  619.480688]  ? trace_hardirqs_off_caller+0xbb/0x310
[  619.485722]  ? trace_hardirqs_off_caller+0xbb/0x310
[  619.490755]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  619.495593]  ? trace_hardirqs_on_caller+0x310/0x310
[  619.500601]  ? trace_hardirqs_on_caller+0x310/0x310
[  619.505613]  ? task_prio+0x50/0x50
[  619.509149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.514683]  ? check_preemption_disabled+0x48/0x280
[  619.519697]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  619.524544]  apic_timer_interrupt+0xf/0x20
[  619.528792]  </IRQ>
[  619.531042] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  619.535978] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  619.555670] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  619.563373] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  619.570726] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  619.577995] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  619.585256] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  619.592522] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  619.599824]  skb_clone+0x1bb/0x500
[  619.603362]  ? finish_task_switch+0x1b4/0x910
[  619.607853]  ? skb_split+0x11e0/0x11e0
[  619.611736]  ? preempt_notifier_register+0x200/0x200
[  619.616832]  ? __switch_to_asm+0x34/0x70
[  619.620887]  ? __switch_to_asm+0x34/0x70
[  619.624939]  ? __switch_to_asm+0x40/0x70
[  619.629016]  ? __switch_to_asm+0x34/0x70
[  619.633067]  ? __switch_to_asm+0x40/0x70
[  619.637135]  ? __switch_to_asm+0x34/0x70
[  619.641226]  ? __switch_to_asm+0x40/0x70
[  619.645280]  ? __switch_to_asm+0x34/0x70
[  619.649338]  ? __switch_to_asm+0x34/0x70
[  619.653501]  ? __switch_to_asm+0x40/0x70
[  619.657558]  ? __switch_to_asm+0x34/0x70
[  619.661701]  bpf_clone_redirect+0xb9/0x490
[  619.665931]  ? __schedule+0x8d7/0x21d0
[  619.669824]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  619.674837]  ? __sched_text_start+0x8/0x8
[  619.678982]  ? retint_kernel+0x2d/0x2d
[  619.682882]  ? find_held_lock+0x36/0x1c0
[  619.686943]  ? lock_acquire+0x1ed/0x520
[  619.690925]  ? bpf_test_run+0x3cb/0x780
[  619.694895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.700426]  ? check_preemption_disabled+0x48/0x280
[  619.705440]  ? kasan_check_read+0x11/0x20
[  619.709589]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  619.714859]  ? rcu_softirq_qs+0x20/0x20
[  619.718830]  ? preempt_schedule+0x4d/0x60
[  619.722988]  ? ___preempt_schedule+0x16/0x18
[  619.727393]  ? bpf_test_run+0x25d/0x780
[  619.731368]  ? netlink_diag_dump+0x2a0/0x2a0
[  619.735771]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  619.741298]  ? bpf_test_init.isra.10+0x70/0x100
[  619.746053]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  619.750825]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  619.755659]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  619.761193]  ? fput+0x130/0x1a0
[  619.764498]  ? __bpf_prog_get+0x9b/0x290
[  619.768560]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  619.773396]  ? bpf_prog_test_run+0x130/0x1a0
[  619.777798]  ? __x64_sys_bpf+0x3db/0x520
[  619.781853]  ? bpf_prog_get+0x20/0x20
[  619.785680]  ? do_syscall_64+0x1b9/0x820
[  619.789757]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  619.795128]  ? syscall_return_slowpath+0x5e0/0x5e0
[  619.800055]  ? trace_hardirqs_on_caller+0x310/0x310
[  619.805070]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  619.810085]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  619.816747]  ? __switch_to_asm+0x40/0x70
[  619.820813]  ? __switch_to_asm+0x34/0x70
[  619.824871]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  619.829718]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  619.835097] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  619.835204] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  619.842109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  619.842113] Call Trace:
[  619.842118]  <IRQ>
[  619.842135]  dump_stack+0x244/0x39d
[  619.842154]  ? dump_stack_print_info.cold.1+0x20/0x20
[  619.848675] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  619.857974]  warn_alloc.cold.116+0xb7/0x1bd
[  619.860521] syz-executor5 cpuset=syz5 mems_allowed=0
[  619.862671]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  619.896245]  ? lock_downgrade+0x900/0x900
[  619.900406]  ? trace_hardirqs_off+0xb8/0x310
[  619.904823]  ? trace_hardirqs_off+0xb8/0x310
[  619.909238]  __alloc_pages_slowpath+0x2651/0x2de0
[  619.914118]  ? warn_alloc+0x120/0x120
[  619.917919]  ? print_usage_bug+0xc0/0xc0
[  619.921991]  ? warn_alloc+0x120/0x120
[  619.925965]  ? warn_alloc+0x120/0x120
[  619.929781]  ? print_usage_bug+0xc0/0xc0
[  619.933852]  ? kvm_clock_read+0x18/0x30
[  619.937826]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  619.942946]  ? print_usage_bug+0xc0/0xc0
[  619.947010]  ? __lock_acquire+0x62f/0x4c20
[  619.951246]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  619.956783]  ? should_fail+0x22d/0xd01
[  619.960663]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  619.965940]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  619.971042]  ? __lock_acquire+0x62f/0x4c20
[  619.975274]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  619.980373]  ? __lock_acquire+0x62f/0x4c20
[  619.984603]  ? should_fail+0x22d/0xd01
[  619.988488]  ? rcu_irq_exit+0x1a2/0x390
[  619.992899]  ? mark_held_locks+0x130/0x130
[  619.997132]  ? mark_held_locks+0x130/0x130
[  620.001404]  ? mark_held_locks+0xc7/0x130
[  620.005552]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  620.010563]  ? zap_class+0x640/0x640
[  620.014278]  ? print_usage_bug+0xc0/0xc0
[  620.018345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.023881]  ? check_preemption_disabled+0x48/0x280
[  620.028898]  ? __lock_is_held+0xb5/0x140
[  620.032964]  __alloc_pages_nodemask+0xad8/0xea0
[  620.037624]  ? zap_class+0x640/0x640
[  620.041341]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  620.046378]  ? find_held_lock+0x36/0x1c0
[  620.050537]  ? ____cache_alloc_node+0x1c7/0x1e0
[  620.055196]  ? lock_downgrade+0x900/0x900
[  620.059340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.064871]  cache_grow_begin+0xa5/0x8c0
[  620.068925]  ? do_raw_spin_unlock+0xa7/0x330
[  620.073337]  fallback_alloc+0x204/0x2e0
[  620.077327]  ____cache_alloc_node+0x1c7/0x1e0
[  620.081836]  kmem_cache_alloc_node+0xe3/0x730
[  620.086331]  ? ipv6_get_ifaddr+0x42e/0x620
[  620.090568]  __alloc_skb+0x119/0x770
[  620.094273]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  620.099558]  ? netdev_alloc_frag+0x1f0/0x1f0
[  620.103960]  ? lock_downgrade+0x900/0x900
[  620.108188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.113719]  ? refcount_sub_and_test_checked+0x203/0x310
[  620.119168]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  620.124617]  ? addrconf_rs_timer+0x690/0x690
[  620.129028]  ndisc_alloc_skb+0x144/0x340
[  620.133106]  ndisc_send_rs+0x331/0x6e0
[  620.136991]  addrconf_rs_timer+0x314/0x690
[  620.141222]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  620.145461]  call_timer_fn+0x272/0x920
[  620.149342]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  620.153570]  ? process_timeout+0x40/0x40
[  620.157632]  ? mark_held_locks+0xc7/0x130
[  620.161781]  ? _raw_spin_unlock_irq+0x27/0x80
[  620.166273]  ? _raw_spin_unlock_irq+0x27/0x80
[  620.170784]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  620.175033]  ? lockdep_hardirqs_on+0x296/0x5b0
[  620.179617]  ? trace_hardirqs_on+0xbd/0x310
[  620.183935]  ? kasan_check_read+0x11/0x20
[  620.188075]  ? __run_timers+0x7da/0xc70
[  620.192040]  ? trace_hardirqs_off_caller+0x310/0x310
[  620.197141]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  620.201375]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  620.205604]  __run_timers+0x7e5/0xc70
[  620.209409]  ? timer_fixup_init+0x70/0x70
[  620.213557]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  620.218567]  ? zap_class+0x640/0x640
[  620.222280]  ? print_usage_bug+0xc0/0xc0
[  620.226340]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  620.231548]  ? find_held_lock+0x36/0x1c0
[  620.235606]  ? zap_class+0x640/0x640
[  620.239321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.244855]  ? check_preemption_disabled+0x48/0x280
[  620.250152]  ? __lock_is_held+0xb5/0x140
[  620.254209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.259762]  ? check_preemption_disabled+0x48/0x280
[  620.264781]  run_timer_softirq+0x52/0xb0
[  620.268841]  ? rcu_read_lock_sched_held+0x14f/0x180
[  620.273854]  __do_softirq+0x308/0xb7e
[  620.277744]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  620.282234]  ? lock_downgrade+0x900/0x900
[  620.286507]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  620.291703]  ? pvclock_read_flags+0x160/0x160
[  620.296201]  ? lapic_next_event+0x5a/0x90
[  620.300348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.305885]  ? kvm_clock_read+0x18/0x30
[  620.309853]  ? kvm_sched_clock_read+0x9/0x20
[  620.314259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  620.319792]  ? check_preemption_disabled+0x48/0x280
[  620.324810]  irq_exit+0x17f/0x1c0
[  620.328271]  smp_apic_timer_interrupt+0x1cb/0x760
[  620.333286]  ? smp_reschedule_interrupt+0x109/0x650
[  620.338296]  ? smp_call_function_single_interrupt+0x650/0x650
[  620.344172]  ? interrupt_entry+0xb5/0xc0
[  620.348236]  ? trace_hardirqs_off_caller+0xbb/0x310
[  620.353245]  ? trace_hardirqs_off_caller+0xbb/0x310
[  620.358261]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  620.363100]  ? trace_hardirqs_on_caller+0x310/0x310
[  620.368109]  ? trace_hardirqs_on_caller+0x310/0x310
[  620.373120]  ? task_prio+0x50/0x50
[  620.376654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.382188]  ? check_preemption_disabled+0x48/0x280
[  620.387205]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  620.392049]  apic_timer_interrupt+0xf/0x20
[  620.396273]  </IRQ>
[  620.398525] RIP: 0010:dump_stack+0x358/0x39d
[  620.402935] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  620.421829] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  620.429535] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  620.436799] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  620.444059] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  620.451328] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  620.458612] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  620.465889]  ? dump_stack+0x34f/0x39d
[  620.469699]  ? dump_stack_print_info.cold.1+0x20/0x20
[  620.474888]  ? mark_held_locks+0x130/0x130
[  620.479117]  ? mark_held_locks+0x130/0x130
[  620.483350]  dump_header+0x27b/0xf72
[  620.487070]  ? pagefault_out_of_memory+0x197/0x197
[  620.492002]  ? __lock_acquire+0x62f/0x4c20
[  620.496234]  ? percpu_ref_get_many+0x240/0x240
[  620.500828]  ? print_usage_bug+0xc0/0xc0
[  620.504908]  ? zap_class+0x640/0x640
[  620.508634]  ? print_usage_bug+0xc0/0xc0
[  620.512692]  ? print_usage_bug+0xc0/0xc0
[  620.516757]  ? zap_class+0x640/0x640
[  620.520472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.526005]  ? find_held_lock+0x36/0x1c0
[  620.530073]  ? mark_held_locks+0xc7/0x130
[  620.534228]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  620.539322]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  620.544420]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  620.549023]  ? trace_hardirqs_on+0xbd/0x310
[  620.553339]  ? kasan_check_read+0x11/0x20
[  620.557485]  ? ___ratelimit+0x3b4/0x672
[  620.561462]  ? trace_hardirqs_off_caller+0x310/0x310
[  620.566571]  ? trace_hardirqs_on+0x310/0x310
[  620.570970]  ? lock_downgrade+0x900/0x900
[  620.575116]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  620.580214]  ? ___ratelimit+0x3b9/0x672
[  620.584184]  ? idr_get_free+0xf70/0xf70
[  620.588156]  ? find_held_lock+0x36/0x1c0
[  620.592221]  oom_kill_process.cold.27+0x10/0x903
[  620.596970]  ? zap_class+0x640/0x640
[  620.600679]  ? check_preemption_disabled+0x48/0x280
[  620.605705]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  620.610629]  ? kasan_check_read+0x11/0x20
[  620.614789]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  620.620088]  ? oom_evaluate_task+0x540/0x540
[  620.624510]  ? find_held_lock+0x36/0x1c0
[  620.628567]  ? out_of_memory+0x974/0x1430
[  620.632709]  ? lock_downgrade+0x900/0x900
[  620.636869]  ? check_preemption_disabled+0x48/0x280
[  620.641882]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  620.646836]  ? kasan_check_read+0x11/0x20
[  620.650977]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  620.656696]  ? rcu_softirq_qs+0x20/0x20
[  620.660698]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  620.666234]  ? oom_evaluate_task+0x302/0x540
[  620.670638]  out_of_memory+0xa84/0x1430
[  620.674613]  ? oom_killer_disable+0x3a0/0x3a0
[  620.679107]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  620.684039]  ? __ww_mutex_check_waiters+0x160/0x160
[  620.689236]  __alloc_pages_slowpath+0x232c/0x2de0
[  620.694100]  ? warn_alloc+0x120/0x120
[  620.697899]  ? mark_held_locks+0x130/0x130
[  620.702157]  ? find_get_entry+0xaae/0x1120
[  620.706402]  ? filemap_map_pages+0x1a20/0x1a20
[  620.710993]  ? zap_class+0x640/0x640
[  620.714710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.720267]  ? check_preemption_disabled+0x48/0x280
[  620.725396]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  620.730943]  ? should_fail+0x22d/0xd01
[  620.734829]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  620.739932]  ? zap_class+0x640/0x640
[  620.743663]  ? __lock_is_held+0xb5/0x140
[  620.747727]  ? mark_held_locks+0x130/0x130
[  620.751957]  ? lock_release+0xa00/0xa00
[  620.755928]  ? perf_trace_sched_process_exec+0x860/0x860
[  620.761367]  ? xa_load+0x2ba/0x460
[  620.764916]  ? lock_downgrade+0x900/0x900
[  620.769061]  ? __might_sleep+0x95/0x190
[  620.773067]  __alloc_pages_nodemask+0xad8/0xea0
[  620.777748]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  620.782771]  ? __page_cache_alloc+0x191/0x5c0
[  620.787255]  ? xa_load+0x2e1/0x460
[  620.790790]  ? xa_clear_mark+0x40/0x40
[  620.794668]  ? zap_class+0x640/0x640
[  620.798389]  ? zap_class+0x640/0x640
[  620.802105]  ? zap_class+0x640/0x640
[  620.805901]  ? zap_class+0x640/0x640
[  620.809614]  ? __do_page_cache_readahead+0x663/0x810
[  620.814740]  ? find_held_lock+0x36/0x1c0
[  620.818818]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  620.824628]  alloc_pages_current+0x173/0x350
[  620.829039]  __page_cache_alloc+0x38c/0x5c0
[  620.833361]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  620.838285]  ? kasan_check_read+0x11/0x20
[  620.842436]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  620.847737]  ? generic_perform_write+0x6a0/0x6a0
[  620.852490]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  620.858028]  ? check_preemption_disabled+0x48/0x280
[  620.863051]  filemap_fault+0x1595/0x25f0
[  620.867119]  ? __lock_page_or_retry+0xa00/0xa00
[  620.871785]  ? mark_held_locks+0x130/0x130
[  620.876019]  ? filemap_map_pages+0xd6b/0x1a20
[  620.880517]  ? lock_downgrade+0x900/0x900
[  620.884681]  ? check_preemption_disabled+0x48/0x280
[  620.889720]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  620.894643]  ? kasan_check_read+0x11/0x20
[  620.898783]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  620.904062]  ? rcu_softirq_qs+0x20/0x20
[  620.908046]  ? filemap_map_pages+0xd92/0x1a20
[  620.912546]  ? queue_work_on+0x12c/0x1e0
[  620.916611]  ? find_get_entries_tag+0x1400/0x1400
[  620.921465]  ? debug_object_destroy+0x2b0/0x2b0
[  620.926130]  ? lock_pi_update_atomic+0x150/0x150
[  620.930880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.936460]  ? lock_acquire+0x1ed/0x520
[  620.940533]  ? ext4_filemap_fault+0x7a/0xad
[  620.944857]  ? lock_release+0xa00/0xa00
[  620.948826]  ? perf_trace_sched_process_exec+0x860/0x860
[  620.954272]  ? print_usage_bug+0xc0/0xc0
[  620.958334]  ? print_usage_bug+0xc0/0xc0
[  620.962400]  ? down_read+0x8d/0x120
[  620.966114]  ? ext4_filemap_fault+0x7a/0xad
[  620.970610]  ? __down_interruptible+0x700/0x700
[  620.975282]  ext4_filemap_fault+0x82/0xad
[  620.979448]  __do_fault+0x100/0x6b0
[  620.983079]  ? find_held_lock+0x36/0x1c0
[  620.987137]  ? pmd_devmap_trans_unstable+0x220/0x220
[  620.992236]  ? mark_held_locks+0x130/0x130
[  620.996480]  ? mark_held_locks+0x130/0x130
[  621.000739]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  621.006272]  __handle_mm_fault+0x3ea0/0x5be0
[  621.010703]  ? perf_trace_lock+0x7a0/0x7a0
[  621.014940]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  621.019781]  ? __switch_to_asm+0x34/0x70
[  621.023834]  ? __switch_to_asm+0x34/0x70
[  621.027900]  ? zap_class+0x640/0x640
[  621.031619]  ? zap_class+0x640/0x640
[  621.035325]  ? __x64_sys_futex+0x53e/0x6a0
[  621.039559]  ? find_held_lock+0x36/0x1c0
[  621.043621]  ? handle_mm_fault+0x42a/0xc70
[  621.047852]  ? lock_downgrade+0x900/0x900
[  621.051996]  ? check_preemption_disabled+0x48/0x280
[  621.057011]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  621.061936]  ? kasan_check_read+0x11/0x20
[  621.066082]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  621.071353]  ? rcu_softirq_qs+0x20/0x20
[  621.075357]  ? trace_hardirqs_off_caller+0x310/0x310
[  621.080461]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  621.085995]  ? check_preemption_disabled+0x48/0x280
[  621.091027]  handle_mm_fault+0x54f/0xc70
[  621.095087]  ? __handle_mm_fault+0x5be0/0x5be0
[  621.099665]  ? find_vma+0x34/0x190
[  621.103205]  __do_page_fault+0x5e8/0xe60
[  621.107260]  ? trace_hardirqs_off+0xb8/0x310
[  621.111686]  do_page_fault+0xf2/0x7e0
[  621.115564]  ? vmalloc_sync_all+0x30/0x30
[  621.119708]  ? error_entry+0x70/0xd0
[  621.123436]  ? trace_hardirqs_off_caller+0xbb/0x310
[  621.128459]  ? trace_hardirqs_on_caller+0xc0/0x310
[  621.133385]  ? syscall_return_slowpath+0x5e0/0x5e0
[  621.138316]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  621.143157]  ? trace_hardirqs_on_caller+0x310/0x310
[  621.148169]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  621.153620]  ? prepare_exit_to_usermode+0x291/0x3b0
[  621.158633]  ? page_fault+0x8/0x30
[  621.162172]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  621.167017]  ? page_fault+0x8/0x30
[  621.170554]  page_fault+0x1e/0x30
[  621.174001] RIP: 0033:0x40f9c0
[  621.177207] Code: Bad RIP value.
[  621.180561] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  621.185935] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  621.193203] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  621.200469] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  621.207737] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  621.214994] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  621.222295] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  621.222299] warn_alloc_show_mem: 1 callbacks suppressed
[  621.222306] Mem-Info:
[  621.229574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  621.234938] active_anon:54071 inactive_anon:192 isolated_anon:0
[  621.234938]  active_file:13 inactive_file:14 isolated_file:0
[  621.234938]  unevictable:0 dirty:0 writeback:0 unstable:0
[  621.234938]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  621.234938]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  621.234938]  free:13779 free_pcp:228 free_cma:0
[  621.237303] Call Trace:
[  621.246684] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  621.279528]  <IRQ>
[  621.282093] 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
[  621.309593]  dump_stack+0x244/0x39d
[  621.311704] lowmem_reserve[]: 0 2818 6321 6321
[  621.337898]  ? dump_stack_print_info.cold.1+0x20/0x20
[  621.341496] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  621.346072]  warn_alloc.cold.116+0xb7/0x1bd
[  621.351227] lowmem_reserve[]: 0 0 3503 3503
[  621.378759]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  621.383056] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  621.387376]  ? lock_downgrade+0x900/0x900
[  621.392178] lowmem_reserve[]: 0 0 0 0
[  621.421064]  ? trace_hardirqs_off+0xb8/0x310
[  621.425177] 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
[  621.428981]  ? trace_hardirqs_off+0xb8/0x310
[  621.433381] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  621.446899]  __alloc_pages_slowpath+0x2651/0x2de0
[  621.451274] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  621.467164]  ? warn_alloc+0x120/0x120
[  621.471963] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  621.487549]  ? print_usage_bug+0xc0/0xc0
[  621.491324] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  621.500150]  ? warn_alloc+0x120/0x120
[  621.504183] 271 total pagecache pages
[  621.512744]  ? warn_alloc+0x120/0x120
[  621.516520] 0 pages in swap cache
[  621.520299]  ? print_usage_bug+0xc0/0xc0
[  621.524083] Swap cache stats: add 0, delete 0, find 0/0
[  621.527519]  ? print_usage_bug+0xc0/0xc0
[  621.531552] Free swap  = 0kB
[  621.536898]  ? __lock_acquire+0x62f/0x4c20
[  621.540929] Total swap = 0kB
[  621.543933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  621.548136] 1965979 pages RAM
[  621.551140]  ? should_fail+0x22d/0xd01
[  621.556642] 0 pages HighMem/MovableOnly
[  621.556648] 342854 pages reserved
[  621.559743]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  621.563596] 0 pages cma reserved
[  621.563674] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  621.567567]  ? __lock_acquire+0x62f/0x4c20
[  621.571088] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  621.576088]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  621.576103]  ? __lock_acquire+0x62f/0x4c20
[  621.579648] syz-fuzzer cpuset=/ mems_allowed=0
[  621.586122]  ? should_fail+0x22d/0xd01
[  621.586137]  ? find_held_lock+0x36/0x1c0
[  621.622608]  ? mark_held_locks+0x130/0x130
[  621.626843]  ? mark_held_locks+0x130/0x130
[  621.631168]  ? zap_class+0x640/0x640
[  621.634878]  ? zap_class+0x640/0x640
[  621.638587]  ? print_usage_bug+0xc0/0xc0
[  621.642639]  ? do_raw_spin_unlock+0xa7/0x330
[  621.647045]  ? zap_class+0x640/0x640
[  621.650756]  ? print_usage_bug+0xc0/0xc0
[  621.654811]  ? wq_watchdog_touch+0x9c/0xfe
[  621.659048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  621.664583]  ? check_preemption_disabled+0x48/0x280
[  621.669602]  ? __lock_is_held+0xb5/0x140
[  621.673677]  __alloc_pages_nodemask+0xad8/0xea0
[  621.678355]  ? zap_class+0x640/0x640
[  621.682069]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  621.687093]  ? find_held_lock+0x36/0x1c0
[  621.691159]  ? ____cache_alloc_node+0x1c7/0x1e0
[  621.695826]  ? lock_downgrade+0x900/0x900
[  621.699988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  621.705545]  cache_grow_begin+0xa5/0x8c0
[  621.709712]  ? do_raw_spin_unlock+0xa7/0x330
[  621.714124]  fallback_alloc+0x204/0x2e0
[  621.718097]  ____cache_alloc_node+0x1c7/0x1e0
[  621.722589]  kmem_cache_alloc_node+0xe3/0x730
[  621.727080]  ? ipv6_get_ifaddr+0x42e/0x620
[  621.731322]  __alloc_skb+0x119/0x770
[  621.735030]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  621.740324]  ? netdev_alloc_frag+0x1f0/0x1f0
[  621.744746]  ? lock_downgrade+0x900/0x900
[  621.748898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  621.754438]  ? refcount_sub_and_test_checked+0x203/0x310
[  621.759889]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  621.765338]  ? addrconf_rs_timer+0x690/0x690
[  621.769840]  ndisc_alloc_skb+0x144/0x340
[  621.773900]  ndisc_send_rs+0x331/0x6e0
[  621.777787]  addrconf_rs_timer+0x314/0x690
[  621.782025]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  621.786380]  call_timer_fn+0x272/0x920
[  621.790280]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  621.794513]  ? process_timeout+0x40/0x40
[  621.798574]  ? __run_timers+0x7da/0xc70
[  621.802545]  ? _raw_spin_unlock_irq+0x27/0x80
[  621.807034]  ? _raw_spin_unlock_irq+0x27/0x80
[  621.811545]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  621.815786]  ? lockdep_hardirqs_on+0x296/0x5b0
[  621.820365]  ? trace_hardirqs_on+0xbd/0x310
[  621.824682]  ? kasan_check_read+0x11/0x20
[  621.828825]  ? __run_timers+0x7da/0xc70
[  621.832812]  ? trace_hardirqs_off_caller+0x310/0x310
[  621.837923]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  621.842156]  __run_timers+0x7e5/0xc70
[  621.845960]  ? timer_fixup_init+0x70/0x70
[  621.850104]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  621.855117]  ? zap_class+0x640/0x640
[  621.858837]  ? enqueue_hrtimer+0x1a5/0x560
[  621.863087]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  621.868388]  ? find_held_lock+0x36/0x1c0
[  621.872470]  ? zap_class+0x640/0x640
[  621.876182]  ? pvclock_read_flags+0x160/0x160
[  621.880673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  621.886207]  ? check_preemption_disabled+0x48/0x280
[  621.891227]  ? __lock_is_held+0xb5/0x140
[  621.895281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  621.900831]  ? check_preemption_disabled+0x48/0x280
[  621.905845]  run_timer_softirq+0x52/0xb0
[  621.909900]  ? rcu_read_lock_sched_held+0x14f/0x180
[  621.914914]  __do_softirq+0x308/0xb7e
[  621.918746]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  621.923240]  ? lock_downgrade+0x900/0x900
[  621.927384]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  621.932515]  ? pvclock_read_flags+0x160/0x160
[  621.937009]  ? lapic_next_event+0x5a/0x90
[  621.941168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  621.946706]  ? kvm_clock_read+0x18/0x30
[  621.950676]  ? kvm_sched_clock_read+0x9/0x20
[  621.955082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  621.960615]  ? check_preemption_disabled+0x48/0x280
[  621.965656]  irq_exit+0x17f/0x1c0
[  621.969106]  smp_apic_timer_interrupt+0x1cb/0x760
[  621.973950]  ? smp_reschedule_interrupt+0x109/0x650
[  621.978961]  ? smp_call_function_single_interrupt+0x650/0x650
[  621.984846]  ? interrupt_entry+0xb5/0xc0
[  621.988906]  ? trace_hardirqs_off_caller+0xbb/0x310
[  621.993917]  ? trace_hardirqs_off_caller+0xbb/0x310
[  621.998942]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  622.003779]  ? trace_hardirqs_on_caller+0x310/0x310
[  622.008806]  ? trace_hardirqs_on_caller+0x310/0x310
[  622.013823]  ? task_prio+0x50/0x50
[  622.017360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.022894]  ? check_preemption_disabled+0x48/0x280
[  622.027923]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  622.032788]  apic_timer_interrupt+0xf/0x20
[  622.037012]  </IRQ>
[  622.039248] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  622.044174] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  622.063069] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  622.070775] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  622.078037] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  622.085302] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  622.092570] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  622.099833] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  622.107131]  skb_clone+0x1bb/0x500
[  622.110668]  ? finish_task_switch+0x1b4/0x910
[  622.115164]  ? skb_split+0x11e0/0x11e0
[  622.119139]  ? preempt_notifier_register+0x200/0x200
[  622.124243]  ? __switch_to_asm+0x34/0x70
[  622.128297]  ? __switch_to_asm+0x34/0x70
[  622.132368]  ? __switch_to_asm+0x40/0x70
[  622.136425]  ? __switch_to_asm+0x34/0x70
[  622.140510]  ? __switch_to_asm+0x40/0x70
[  622.144560]  ? __switch_to_asm+0x34/0x70
[  622.148613]  ? __switch_to_asm+0x40/0x70
[  622.152669]  ? __switch_to_asm+0x34/0x70
[  622.156721]  ? __switch_to_asm+0x34/0x70
[  622.160775]  ? __switch_to_asm+0x40/0x70
[  622.164830]  ? __switch_to_asm+0x34/0x70
[  622.168889]  bpf_clone_redirect+0xb9/0x490
[  622.173116]  ? __schedule+0x8d7/0x21d0
[  622.177013]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  622.182028]  ? __sched_text_start+0x8/0x8
[  622.186172]  ? retint_kernel+0x2d/0x2d
[  622.190061]  ? find_held_lock+0x36/0x1c0
[  622.194122]  ? lock_acquire+0x1ed/0x520
[  622.198090]  ? bpf_test_run+0x3cb/0x780
[  622.202068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.207599]  ? check_preemption_disabled+0x48/0x280
[  622.212609]  ? kasan_check_read+0x11/0x20
[  622.216750]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  622.222021]  ? rcu_softirq_qs+0x20/0x20
[  622.225988]  ? preempt_schedule+0x4d/0x60
[  622.230125]  ? ___preempt_schedule+0x16/0x18
[  622.234532]  ? bpf_test_run+0x25d/0x780
[  622.238511]  ? netlink_diag_dump+0x2a0/0x2a0
[  622.242916]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  622.248446]  ? bpf_test_init.isra.10+0x70/0x100
[  622.253114]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  622.257887]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  622.262722]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  622.268257]  ? fput+0x130/0x1a0
[  622.271626]  ? __bpf_prog_get+0x9b/0x290
[  622.275686]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  622.280526]  ? bpf_prog_test_run+0x130/0x1a0
[  622.284939]  ? __x64_sys_bpf+0x3db/0x520
[  622.288996]  ? bpf_prog_get+0x20/0x20
[  622.292897]  ? do_syscall_64+0x1b9/0x820
[  622.296960]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  622.302318]  ? syscall_return_slowpath+0x5e0/0x5e0
[  622.307240]  ? trace_hardirqs_on_caller+0x310/0x310
[  622.312253]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  622.317266]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  622.323930]  ? __switch_to_asm+0x40/0x70
[  622.327982]  ? __switch_to_asm+0x34/0x70
[  622.332059]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  622.336906]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  622.342285] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  622.342364] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  622.349294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  622.349301] Call Trace:
[  622.355968] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  622.365107]  <IRQ>
[  622.367675] syz-executor5 cpuset=syz5 mems_allowed=0
[  622.378147]  dump_stack+0x244/0x39d
[  622.389159]  ? dump_stack_print_info.cold.1+0x20/0x20
[  622.394357]  warn_alloc.cold.116+0xb7/0x1bd
[  622.398669]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  622.403507]  ? lock_downgrade+0x900/0x900
[  622.407655]  ? trace_hardirqs_off+0xb8/0x310
[  622.412064]  ? trace_hardirqs_off+0xb8/0x310
[  622.416469]  __alloc_pages_slowpath+0x2651/0x2de0
[  622.421467]  ? warn_alloc+0x120/0x120
[  622.425267]  ? print_usage_bug+0xc0/0xc0
[  622.429320]  ? warn_alloc+0x120/0x120
[  622.433114]  ? warn_alloc+0x120/0x120
[  622.436908]  ? print_usage_bug+0xc0/0xc0
[  622.440973]  ? print_usage_bug+0xc0/0xc0
[  622.445029]  ? check_usage_forwards+0x3d0/0x3d0
[  622.449691]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  622.455220]  ? should_fail+0x22d/0xd01
[  622.459095]  ? __bfs+0x321/0x780
[  622.462458]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  622.467566]  ? __lock_acquire+0x62f/0x4c20
[  622.471796]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  622.476919]  ? __lock_acquire+0x62f/0x4c20
[  622.481323]  ? should_fail+0x22d/0xd01
[  622.485216]  ? mark_held_locks+0x130/0x130
[  622.489454]  ? mark_held_locks+0x130/0x130
[  622.493699]  ? kasan_check_read+0x11/0x20
[  622.497855]  ? __lock_acquire+0x2aff/0x4c20
[  622.502260]  ? zap_class+0x640/0x640
[  622.505970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.511503]  ? check_preemption_disabled+0x48/0x280
[  622.516542]  ? __lock_is_held+0xb5/0x140
[  622.520617]  __alloc_pages_nodemask+0xad8/0xea0
[  622.525276]  ? zap_class+0x640/0x640
[  622.528990]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  622.534009]  ? find_held_lock+0x36/0x1c0
[  622.538083]  ? ____cache_alloc_node+0x1c7/0x1e0
[  622.542748]  ? lock_downgrade+0x900/0x900
[  622.546891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.552434]  cache_grow_begin+0xa5/0x8c0
[  622.556516]  ? do_raw_spin_unlock+0xa7/0x330
[  622.560937]  fallback_alloc+0x204/0x2e0
[  622.564919]  ____cache_alloc_node+0x1c7/0x1e0
[  622.569432]  kmem_cache_alloc_node+0xe3/0x730
[  622.573945]  ? do_raw_spin_unlock+0xa7/0x330
[  622.578348]  ? do_raw_spin_trylock+0x270/0x270
[  622.582934]  __alloc_skb+0x119/0x770
[  622.586650]  ? netdev_alloc_frag+0x1f0/0x1f0
[  622.591080]  ? atomic_notifier_call_chain+0xc6/0x190
[  622.596181]  ? lock_downgrade+0x900/0x900
[  622.600324]  ? check_preemption_disabled+0x48/0x280
[  622.605339]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  622.610274]  ? kasan_check_read+0x11/0x20
[  622.614451]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  622.619726]  ? rcu_softirq_qs+0x20/0x20
[  622.623693]  ? kasan_check_read+0x11/0x20
[  622.627840]  ? do_raw_write_trylock+0x270/0x270
[  622.632508]  __neigh_notify+0x8c/0x160
[  622.636402]  ? neigh_connected_output+0x780/0x780
[  622.641249]  neigh_timer_handler+0x6cb/0xdf0
[  622.645651]  ? check_preemption_disabled+0x48/0x280
[  622.650672]  ? neigh_periodic_work+0xc60/0xc60
[  622.655252]  ? __lock_is_held+0xb5/0x140
[  622.659788]  call_timer_fn+0x272/0x920
[  622.663675]  ? neigh_periodic_work+0xc60/0xc60
[  622.668252]  ? process_timeout+0x40/0x40
[  622.672318]  ? mark_held_locks+0xc7/0x130
[  622.676471]  ? _raw_spin_unlock_irq+0x27/0x80
[  622.680960]  ? _raw_spin_unlock_irq+0x27/0x80
[  622.685452]  ? neigh_periodic_work+0xc60/0xc60
[  622.690028]  ? lockdep_hardirqs_on+0x296/0x5b0
[  622.694609]  ? trace_hardirqs_on+0xbd/0x310
[  622.698928]  ? kasan_check_read+0x11/0x20
[  622.703072]  ? __run_timers+0x7da/0xc70
[  622.707043]  ? trace_hardirqs_off_caller+0x310/0x310
[  622.712152]  ? neigh_periodic_work+0xc60/0xc60
[  622.716736]  __run_timers+0x7e5/0xc70
[  622.720539]  ? timer_fixup_init+0x70/0x70
[  622.724684]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  622.729700]  ? zap_class+0x640/0x640
[  622.733419]  ? print_usage_bug+0xc0/0xc0
[  622.737477]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  622.742756]  ? find_held_lock+0x36/0x1c0
[  622.746819]  ? zap_class+0x640/0x640
[  622.750531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.756069]  ? check_preemption_disabled+0x48/0x280
[  622.761091]  ? __lock_is_held+0xb5/0x140
[  622.765150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.770686]  ? check_preemption_disabled+0x48/0x280
[  622.775702]  run_timer_softirq+0x52/0xb0
[  622.779757]  ? rcu_read_lock_sched_held+0x14f/0x180
[  622.784878]  __do_softirq+0x308/0xb7e
[  622.788673]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  622.793162]  ? lock_downgrade+0x900/0x900
[  622.797421]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  622.802531]  ? pvclock_read_flags+0x160/0x160
[  622.807023]  ? lapic_next_event+0x5a/0x90
[  622.811175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.816814]  ? kvm_clock_read+0x18/0x30
[  622.820781]  ? kvm_sched_clock_read+0x9/0x20
[  622.825513]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  622.831049]  ? check_preemption_disabled+0x48/0x280
[  622.836071]  irq_exit+0x17f/0x1c0
[  622.839528]  smp_apic_timer_interrupt+0x1cb/0x760
[  622.844365]  ? smp_reschedule_interrupt+0x109/0x650
[  622.849407]  ? smp_call_function_single_interrupt+0x650/0x650
[  622.855320]  ? interrupt_entry+0xb5/0xc0
[  622.859403]  ? trace_hardirqs_off_caller+0xbb/0x310
[  622.864423]  ? trace_hardirqs_off_caller+0xbb/0x310
[  622.869440]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  622.874295]  ? trace_hardirqs_on_caller+0x310/0x310
[  622.879308]  ? trace_hardirqs_on_caller+0x310/0x310
[  622.884315]  ? task_prio+0x50/0x50
[  622.887882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.893425]  ? check_preemption_disabled+0x48/0x280
[  622.898452]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  622.903298]  apic_timer_interrupt+0xf/0x20
[  622.907521]  </IRQ>
[  622.909758] RIP: 0010:dump_stack+0x358/0x39d
[  622.914170] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  622.933068] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  622.940773] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  622.948035] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  622.955299] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  622.962561] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  622.969823] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  622.977107]  ? dump_stack+0x34f/0x39d
[  622.980919]  ? dump_stack_print_info.cold.1+0x20/0x20
[  622.986110]  ? mark_held_locks+0x130/0x130
[  622.990348]  ? mark_held_locks+0x130/0x130
[  622.994590]  dump_header+0x27b/0xf72
[  622.998317]  ? pagefault_out_of_memory+0x197/0x197
[  623.003250]  ? __lock_acquire+0x62f/0x4c20
[  623.007495]  ? percpu_ref_get_many+0x240/0x240
[  623.012076]  ? print_usage_bug+0xc0/0xc0
[  623.016152]  ? zap_class+0x640/0x640
[  623.019862]  ? print_usage_bug+0xc0/0xc0
[  623.023920]  ? print_usage_bug+0xc0/0xc0
[  623.027979]  ? zap_class+0x640/0x640
[  623.031688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.037228]  ? find_held_lock+0x36/0x1c0
[  623.041293]  ? mark_held_locks+0xc7/0x130
[  623.045441]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  623.050539]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  623.055638]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  623.060215]  ? trace_hardirqs_on+0xbd/0x310
[  623.064532]  ? kasan_check_read+0x11/0x20
[  623.068676]  ? ___ratelimit+0x3b4/0x672
[  623.072647]  ? trace_hardirqs_off_caller+0x310/0x310
[  623.077760]  ? trace_hardirqs_on+0x310/0x310
[  623.082164]  ? lock_downgrade+0x900/0x900
[  623.086312]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  623.091432]  ? ___ratelimit+0x3b9/0x672
[  623.095412]  ? idr_get_free+0xf70/0xf70
[  623.099386]  ? find_held_lock+0x36/0x1c0
[  623.103454]  oom_kill_process.cold.27+0x10/0x903
[  623.108212]  ? zap_class+0x640/0x640
[  623.111923]  ? check_preemption_disabled+0x48/0x280
[  623.116951]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  623.121877]  ? kasan_check_read+0x11/0x20
[  623.126020]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  623.131301]  ? oom_evaluate_task+0x540/0x540
[  623.135709]  ? find_held_lock+0x36/0x1c0
[  623.139771]  ? out_of_memory+0x974/0x1430
[  623.143915]  ? lock_downgrade+0x900/0x900
[  623.148061]  ? check_preemption_disabled+0x48/0x280
[  623.153078]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  623.158002]  ? kasan_check_read+0x11/0x20
[  623.162145]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  623.167423]  ? rcu_softirq_qs+0x20/0x20
[  623.171411]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  623.176943]  ? oom_evaluate_task+0x302/0x540
[  623.181360]  out_of_memory+0xa84/0x1430
[  623.185344]  ? oom_killer_disable+0x3a0/0x3a0
[  623.189859]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  623.194788]  ? __ww_mutex_check_waiters+0x160/0x160
[  623.199809]  __alloc_pages_slowpath+0x232c/0x2de0
[  623.204679]  ? warn_alloc+0x120/0x120
[  623.208474]  ? mark_held_locks+0x130/0x130
[  623.212709]  ? find_get_entry+0xaae/0x1120
[  623.216962]  ? filemap_map_pages+0x1a20/0x1a20
[  623.221544]  ? zap_class+0x640/0x640
[  623.225273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.230806]  ? check_preemption_disabled+0x48/0x280
[  623.235826]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  623.241356]  ? should_fail+0x22d/0xd01
[  623.245250]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  623.250351]  ? zap_class+0x640/0x640
[  623.254102]  ? __lock_is_held+0xb5/0x140
[  623.258166]  ? mark_held_locks+0x130/0x130
[  623.262409]  ? lock_release+0xa00/0xa00
[  623.266387]  ? perf_trace_sched_process_exec+0x860/0x860
[  623.271834]  ? xa_load+0x2ba/0x460
[  623.275378]  ? lock_downgrade+0x900/0x900
[  623.279531]  ? __might_sleep+0x95/0x190
[  623.283509]  __alloc_pages_nodemask+0xad8/0xea0
[  623.288200]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  623.293211]  ? __page_cache_alloc+0x191/0x5c0
[  623.297701]  ? xa_load+0x2e1/0x460
[  623.301238]  ? xa_clear_mark+0x40/0x40
[  623.305122]  ? zap_class+0x640/0x640
[  623.308833]  ? zap_class+0x640/0x640
[  623.312551]  ? zap_class+0x640/0x640
[  623.316260]  ? zap_class+0x640/0x640
[  623.319986]  ? __do_page_cache_readahead+0x663/0x810
[  623.325088]  ? find_held_lock+0x36/0x1c0
[  623.329150]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  623.334692]  alloc_pages_current+0x173/0x350
[  623.339127]  __page_cache_alloc+0x38c/0x5c0
[  623.343443]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  623.348375]  ? kasan_check_read+0x11/0x20
[  623.352538]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  623.357827]  ? generic_perform_write+0x6a0/0x6a0
[  623.362586]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  623.368123]  ? check_preemption_disabled+0x48/0x280
[  623.373143]  filemap_fault+0x1595/0x25f0
[  623.377212]  ? __lock_page_or_retry+0xa00/0xa00
[  623.381878]  ? mark_held_locks+0x130/0x130
[  623.386134]  ? filemap_map_pages+0xd6b/0x1a20
[  623.390624]  ? lock_downgrade+0x900/0x900
[  623.394768]  ? check_preemption_disabled+0x48/0x280
[  623.399784]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  623.404706]  ? kasan_check_read+0x11/0x20
[  623.408864]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  623.414147]  ? rcu_softirq_qs+0x20/0x20
[  623.418141]  ? filemap_map_pages+0xd92/0x1a20
[  623.422641]  ? queue_work_on+0x12c/0x1e0
[  623.426701]  ? find_get_entries_tag+0x1400/0x1400
[  623.431545]  ? debug_object_destroy+0x2b0/0x2b0
[  623.436212]  ? lock_pi_update_atomic+0x150/0x150
[  623.440966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.446528]  ? lock_acquire+0x1ed/0x520
[  623.450497]  ? ext4_filemap_fault+0x7a/0xad
[  623.454822]  ? lock_release+0xa00/0xa00
[  623.458790]  ? perf_trace_sched_process_exec+0x860/0x860
[  623.464235]  ? print_usage_bug+0xc0/0xc0
[  623.468291]  ? print_usage_bug+0xc0/0xc0
[  623.472358]  ? down_read+0x8d/0x120
[  623.475988]  ? ext4_filemap_fault+0x7a/0xad
[  623.480311]  ? __down_interruptible+0x700/0x700
[  623.484987]  ext4_filemap_fault+0x82/0xad
[  623.489131]  __do_fault+0x100/0x6b0
[  623.492757]  ? find_held_lock+0x36/0x1c0
[  623.496817]  ? pmd_devmap_trans_unstable+0x220/0x220
[  623.501922]  ? mark_held_locks+0x130/0x130
[  623.506159]  ? mark_held_locks+0x130/0x130
[  623.510408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  623.515946]  __handle_mm_fault+0x3ea0/0x5be0
[  623.520349]  ? perf_trace_lock+0x7a0/0x7a0
[  623.524593]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  623.529438]  ? __switch_to_asm+0x34/0x70
[  623.533501]  ? __switch_to_asm+0x34/0x70
[  623.537581]  ? zap_class+0x640/0x640
[  623.541291]  ? zap_class+0x640/0x640
[  623.545005]  ? __x64_sys_futex+0x53e/0x6a0
[  623.549243]  ? find_held_lock+0x36/0x1c0
[  623.553308]  ? handle_mm_fault+0x42a/0xc70
[  623.557540]  ? lock_downgrade+0x900/0x900
[  623.561688]  ? check_preemption_disabled+0x48/0x280
[  623.566705]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  623.571630]  ? kasan_check_read+0x11/0x20
[  623.575771]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  623.581051]  ? rcu_softirq_qs+0x20/0x20
[  623.585021]  ? trace_hardirqs_off_caller+0x310/0x310
[  623.590123]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  623.595661]  ? check_preemption_disabled+0x48/0x280
[  623.600679]  handle_mm_fault+0x54f/0xc70
[  623.604743]  ? __handle_mm_fault+0x5be0/0x5be0
[  623.609416]  ? find_vma+0x34/0x190
[  623.612956]  __do_page_fault+0x5e8/0xe60
[  623.617014]  ? trace_hardirqs_off+0xb8/0x310
[  623.621431]  do_page_fault+0xf2/0x7e0
[  623.625229]  ? vmalloc_sync_all+0x30/0x30
[  623.629385]  ? error_entry+0x70/0xd0
[  623.633097]  ? trace_hardirqs_off_caller+0xbb/0x310
[  623.638110]  ? trace_hardirqs_on_caller+0xc0/0x310
[  623.643035]  ? syscall_return_slowpath+0x5e0/0x5e0
[  623.647958]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  623.652816]  ? trace_hardirqs_on_caller+0x310/0x310
[  623.657825]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  623.663273]  ? prepare_exit_to_usermode+0x291/0x3b0
[  623.668283]  ? page_fault+0x8/0x30
[  623.671833]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  623.676678]  ? page_fault+0x8/0x30
[  623.680216]  page_fault+0x1e/0x30
[  623.683674] RIP: 0033:0x40f9c0
[  623.686882] Code: Bad RIP value.
[  623.690252] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  623.695609] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  623.702872] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  623.710136] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  623.717487] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  623.724758] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  623.732049] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  623.732063] warn_alloc_show_mem: 1 callbacks suppressed
[  623.732067] Mem-Info:
[  623.739326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  623.744697] active_anon:54071 inactive_anon:192 isolated_anon:0
[  623.744697]  active_file:13 inactive_file:14 isolated_file:0
[  623.744697]  unevictable:0 dirty:0 writeback:0 unstable:0
[  623.744697]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  623.744697]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  623.744697]  free:13779 free_pcp:228 free_cma:0
[  623.747063] Call Trace:
[  623.756446] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  623.789285]  <IRQ>
[  623.791853] 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
[  623.819342]  dump_stack+0x244/0x39d
[  623.821469] lowmem_reserve[]: 0 2818 6321 6321
[  623.847575]  ? dump_stack_print_info.cold.1+0x20/0x20
[  623.851172] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  623.855771]  warn_alloc.cold.116+0xb7/0x1bd
[  623.860917] lowmem_reserve[]: 0 0 3503 3503
[  623.888510]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  623.892805] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  623.897114]  ? lock_downgrade+0x900/0x900
[  623.901924] lowmem_reserve[]: 0 0 0 0
[  623.931018]  ? trace_hardirqs_off+0xb8/0x310
[  623.935164] 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
[  623.938962]  ? trace_hardirqs_off+0xb8/0x310
[  623.943337] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  623.956983]  __alloc_pages_slowpath+0x2651/0x2de0
[  623.961452] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  623.977340]  ? warn_alloc+0x120/0x120
[  623.982140] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  623.997729]  ? warn_alloc+0x120/0x120
[  624.001510] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  624.010330]  ? warn_alloc+0x120/0x120
[  624.014101] 271 total pagecache pages
[  624.022666]  ? print_usage_bug+0xc0/0xc0
[  624.026452] 0 pages in swap cache
[  624.030248]  ? print_usage_bug+0xc0/0xc0
[  624.034283] Swap cache stats: add 0, delete 0, find 0/0
[  624.037734]  ? mark_held_locks+0x130/0x130
[  624.041765] Free swap  = 0kB
[  624.047129]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  624.051330] Total swap = 0kB
[  624.054357]  ? should_fail+0x22d/0xd01
[  624.059881] 1965979 pages RAM
[  624.062899]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  624.066753] 0 pages HighMem/MovableOnly
[  624.069845]  ? __lock_acquire+0x62f/0x4c20
[  624.074921] 342854 pages reserved
[  624.078889]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  624.083088] 0 pages cma reserved
[  624.086523]  ? __lock_acquire+0x62f/0x4c20
[  624.091738] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  624.094954]  ? should_fail+0x22d/0xd01
[  624.099159] syz-fuzzer cpuset=/ mems_allowed=0
[  624.109383]  ? mark_held_locks+0x130/0x130
[  624.122032]  ? mark_held_locks+0x130/0x130
[  624.126258]  ? zap_class+0x640/0x640
[  624.129965]  ? check_preemption_disabled+0x48/0x280
[  624.134982]  ? zap_class+0x640/0x640
[  624.138688]  ? print_usage_bug+0xc0/0xc0
[  624.142746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.148280]  ? check_preemption_disabled+0x48/0x280
[  624.153297]  ? __lock_is_held+0xb5/0x140
[  624.157370]  __alloc_pages_nodemask+0xad8/0xea0
[  624.162034]  ? zap_class+0x640/0x640
[  624.165837]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  624.170862]  ? find_held_lock+0x36/0x1c0
[  624.174948]  ? ____cache_alloc_node+0x1c7/0x1e0
[  624.179616]  ? lock_downgrade+0x900/0x900
[  624.183765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.189298]  cache_grow_begin+0xa5/0x8c0
[  624.193362]  ? do_raw_spin_unlock+0xa7/0x330
[  624.197774]  fallback_alloc+0x204/0x2e0
[  624.201747]  ____cache_alloc_node+0x1c7/0x1e0
[  624.206246]  kmem_cache_alloc_node+0xe3/0x730
[  624.210740]  ? ipv6_get_ifaddr+0x42e/0x620
[  624.214977]  __alloc_skb+0x119/0x770
[  624.218681]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  624.223959]  ? netdev_alloc_frag+0x1f0/0x1f0
[  624.228367]  ? lock_downgrade+0x900/0x900
[  624.232510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.238049]  ? refcount_sub_and_test_checked+0x203/0x310
[  624.243496]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  624.248942]  ? addrconf_rs_timer+0x690/0x690
[  624.253361]  ndisc_alloc_skb+0x144/0x340
[  624.257420]  ndisc_send_rs+0x331/0x6e0
[  624.261323]  addrconf_rs_timer+0x314/0x690
[  624.265567]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  624.269810]  call_timer_fn+0x272/0x920
[  624.273693]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  624.277925]  ? process_timeout+0x40/0x40
[  624.282014]  ? __run_timers+0x7da/0xc70
[  624.285994]  ? _raw_spin_unlock_irq+0x27/0x80
[  624.290502]  ? _raw_spin_unlock_irq+0x27/0x80
[  624.294990]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  624.299219]  ? lockdep_hardirqs_on+0x296/0x5b0
[  624.303801]  ? trace_hardirqs_on+0xbd/0x310
[  624.308121]  ? kasan_check_read+0x11/0x20
[  624.312261]  ? __run_timers+0x7da/0xc70
[  624.316254]  ? trace_hardirqs_off_caller+0x310/0x310
[  624.321367]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  624.325608]  __run_timers+0x7e5/0xc70
[  624.329409]  ? timer_fixup_init+0x70/0x70
[  624.333554]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  624.338567]  ? zap_class+0x640/0x640
[  624.342277]  ? enqueue_hrtimer+0x1a5/0x560
[  624.346523]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  624.351712]  ? find_held_lock+0x36/0x1c0
[  624.355773]  ? zap_class+0x640/0x640
[  624.359485]  ? pvclock_read_flags+0x160/0x160
[  624.363976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.369508]  ? check_preemption_disabled+0x48/0x280
[  624.374528]  ? __lock_is_held+0xb5/0x140
[  624.378589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.384126]  ? check_preemption_disabled+0x48/0x280
[  624.389140]  run_timer_softirq+0x52/0xb0
[  624.393199]  ? rcu_read_lock_sched_held+0x14f/0x180
[  624.398214]  __do_softirq+0x308/0xb7e
[  624.402010]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  624.406502]  ? lock_downgrade+0x900/0x900
[  624.410654]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  624.415757]  ? pvclock_read_flags+0x160/0x160
[  624.420250]  ? lapic_next_event+0x5a/0x90
[  624.424404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.429938]  ? kvm_clock_read+0x18/0x30
[  624.433907]  ? kvm_sched_clock_read+0x9/0x20
[  624.438314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.443956]  ? check_preemption_disabled+0x48/0x280
[  624.448976]  irq_exit+0x17f/0x1c0
[  624.452425]  smp_apic_timer_interrupt+0x1cb/0x760
[  624.457261]  ? smp_reschedule_interrupt+0x109/0x650
[  624.462274]  ? smp_call_function_single_interrupt+0x650/0x650
[  624.468156]  ? interrupt_entry+0xb5/0xc0
[  624.472216]  ? trace_hardirqs_off_caller+0xbb/0x310
[  624.477225]  ? trace_hardirqs_off_caller+0xbb/0x310
[  624.482242]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  624.487078]  ? trace_hardirqs_on_caller+0x310/0x310
[  624.492090]  ? trace_hardirqs_on_caller+0x310/0x310
[  624.497105]  ? task_prio+0x50/0x50
[  624.500657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.506190]  ? check_preemption_disabled+0x48/0x280
[  624.511206]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  624.516053]  apic_timer_interrupt+0xf/0x20
[  624.520281]  </IRQ>
[  624.522514] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  624.527443] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  624.546336] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  624.554046] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  624.561308] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  624.568580] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  624.575841] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  624.583103] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  624.590403]  skb_clone+0x1bb/0x500
[  624.593942]  ? finish_task_switch+0x1b4/0x910
[  624.598433]  ? skb_split+0x11e0/0x11e0
[  624.602318]  ? preempt_notifier_register+0x200/0x200
[  624.607421]  ? __switch_to_asm+0x34/0x70
[  624.611474]  ? __switch_to_asm+0x34/0x70
[  624.615526]  ? __switch_to_asm+0x40/0x70
[  624.619595]  ? __switch_to_asm+0x34/0x70
[  624.623649]  ? __switch_to_asm+0x40/0x70
[  624.627704]  ? __switch_to_asm+0x34/0x70
[  624.631785]  ? __switch_to_asm+0x40/0x70
[  624.635862]  ? __switch_to_asm+0x34/0x70
[  624.639938]  ? __switch_to_asm+0x34/0x70
[  624.644004]  ? __switch_to_asm+0x40/0x70
[  624.648069]  ? __switch_to_asm+0x34/0x70
[  624.652134]  bpf_clone_redirect+0xb9/0x490
[  624.656666]  ? __schedule+0x8d7/0x21d0
[  624.660560]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  624.665576]  ? __sched_text_start+0x8/0x8
[  624.669723]  ? retint_kernel+0x2d/0x2d
[  624.673611]  ? find_held_lock+0x36/0x1c0
[  624.677676]  ? lock_acquire+0x1ed/0x520
[  624.681645]  ? bpf_test_run+0x3cb/0x780
[  624.685614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.691164]  ? check_preemption_disabled+0x48/0x280
[  624.696179]  ? kasan_check_read+0x11/0x20
[  624.700319]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  624.705606]  ? rcu_softirq_qs+0x20/0x20
[  624.709579]  ? preempt_schedule+0x4d/0x60
[  624.713726]  ? ___preempt_schedule+0x16/0x18
[  624.718254]  ? bpf_test_run+0x25d/0x780
[  624.722239]  ? netlink_diag_dump+0x2a0/0x2a0
[  624.726645]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  624.732175]  ? bpf_test_init.isra.10+0x70/0x100
[  624.736843]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  624.741615]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  624.746540]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  624.752073]  ? fput+0x130/0x1a0
[  624.755358]  ? __bpf_prog_get+0x9b/0x290
[  624.759416]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  624.764249]  ? bpf_prog_test_run+0x130/0x1a0
[  624.768653]  ? __x64_sys_bpf+0x3db/0x520
[  624.772721]  ? bpf_prog_get+0x20/0x20
[  624.776535]  ? do_syscall_64+0x1b9/0x820
[  624.780597]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  624.785958]  ? syscall_return_slowpath+0x5e0/0x5e0
[  624.790902]  ? trace_hardirqs_on_caller+0x310/0x310
[  624.795919]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  624.800937]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  624.807945]  ? __switch_to_asm+0x40/0x70
[  624.812001]  ? __switch_to_asm+0x34/0x70
[  624.816062]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  624.820904]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  624.826901] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  624.827003] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  624.833919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  624.833924] Call Trace:
[  624.833929]  <IRQ>
[  624.833948]  dump_stack+0x244/0x39d
[  624.833969]  ? dump_stack_print_info.cold.1+0x20/0x20
[  624.840490] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  624.849802]  warn_alloc.cold.116+0xb7/0x1bd
[  624.852354] syz-executor5 cpuset=syz5 mems_allowed=0
[  624.854497]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  624.888065]  ? lock_downgrade+0x900/0x900
[  624.892246]  ? trace_hardirqs_off+0xb8/0x310
[  624.896656]  ? trace_hardirqs_off+0xb8/0x310
[  624.901071]  __alloc_pages_slowpath+0x2651/0x2de0
[  624.905933]  ? warn_alloc+0x120/0x120
[  624.909733]  ? warn_alloc+0x120/0x120
[  624.913532]  ? warn_alloc+0x120/0x120
[  624.917340]  ? print_usage_bug+0xc0/0xc0
[  624.921400]  ? enqueue_hrtimer+0x1a5/0x560
[  624.925629]  ? print_usage_bug+0xc0/0xc0
[  624.929772]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  624.934961]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  624.940489]  ? should_fail+0x22d/0xd01
[  624.944395]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  624.949493]  ? __lock_acquire+0x62f/0x4c20
[  624.953826]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  624.958921]  ? __lock_acquire+0x62f/0x4c20
[  624.963176]  ? should_fail+0x22d/0xd01
[  624.967069]  ? mark_held_locks+0x130/0x130
[  624.971304]  ? mark_held_locks+0x130/0x130
[  624.975548]  ? zap_class+0x640/0x640
[  624.979259]  ? print_usage_bug+0xc0/0xc0
[  624.983323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.988860]  ? check_preemption_disabled+0x48/0x280
[  624.993878]  ? __lock_is_held+0xb5/0x140
[  624.998300]  __alloc_pages_nodemask+0xad8/0xea0
[  625.002972]  ? zap_class+0x640/0x640
[  625.006688]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  625.011710]  ? find_held_lock+0x36/0x1c0
[  625.015780]  ? ____cache_alloc_node+0x1c7/0x1e0
[  625.020450]  ? lock_downgrade+0x900/0x900
[  625.024605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.030144]  cache_grow_begin+0xa5/0x8c0
[  625.034202]  ? do_raw_spin_unlock+0xa7/0x330
[  625.038719]  fallback_alloc+0x204/0x2e0
[  625.042704]  ____cache_alloc_node+0x1c7/0x1e0
[  625.047203]  kmem_cache_alloc_node+0xe3/0x730
[  625.051697]  ? ipv6_get_ifaddr+0x42e/0x620
[  625.055940]  __alloc_skb+0x119/0x770
[  625.059648]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  625.064927]  ? netdev_alloc_frag+0x1f0/0x1f0
[  625.069339]  ? lock_downgrade+0x900/0x900
[  625.073718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.079250]  ? refcount_sub_and_test_checked+0x203/0x310
[  625.084714]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  625.090159]  ? addrconf_rs_timer+0x690/0x690
[  625.094577]  ndisc_alloc_skb+0x144/0x340
[  625.098643]  ndisc_send_rs+0x331/0x6e0
[  625.102548]  addrconf_rs_timer+0x314/0x690
[  625.106871]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  625.111118]  call_timer_fn+0x272/0x920
[  625.115023]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  625.119253]  ? process_timeout+0x40/0x40
[  625.123333]  ? mark_held_locks+0xc7/0x130
[  625.127480]  ? _raw_spin_unlock_irq+0x27/0x80
[  625.131970]  ? _raw_spin_unlock_irq+0x27/0x80
[  625.136460]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  625.140693]  ? lockdep_hardirqs_on+0x296/0x5b0
[  625.145387]  ? trace_hardirqs_on+0xbd/0x310
[  625.149703]  ? kasan_check_read+0x11/0x20
[  625.153844]  ? __run_timers+0x7da/0xc70
[  625.157833]  ? trace_hardirqs_off_caller+0x310/0x310
[  625.162953]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  625.167180]  __run_timers+0x7e5/0xc70
[  625.170986]  ? timer_fixup_init+0x70/0x70
[  625.175132]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  625.180141]  ? zap_class+0x640/0x640
[  625.183854]  ? print_usage_bug+0xc0/0xc0
[  625.187915]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  625.193106]  ? find_held_lock+0x36/0x1c0
[  625.197170]  ? zap_class+0x640/0x640
[  625.200889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.206422]  ? check_preemption_disabled+0x48/0x280
[  625.211445]  ? __lock_is_held+0xb5/0x140
[  625.215502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.221040]  ? check_preemption_disabled+0x48/0x280
[  625.226055]  run_timer_softirq+0x52/0xb0
[  625.230113]  ? rcu_read_lock_sched_held+0x14f/0x180
[  625.235124]  __do_softirq+0x308/0xb7e
[  625.238921]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  625.243407]  ? lock_downgrade+0x900/0x900
[  625.247552]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  625.252658]  ? pvclock_read_flags+0x160/0x160
[  625.257156]  ? lapic_next_event+0x5a/0x90
[  625.261305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.266849]  ? kvm_clock_read+0x18/0x30
[  625.270818]  ? kvm_sched_clock_read+0x9/0x20
[  625.275240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  625.280779]  ? check_preemption_disabled+0x48/0x280
[  625.285825]  irq_exit+0x17f/0x1c0
[  625.289276]  smp_apic_timer_interrupt+0x1cb/0x760
[  625.294216]  ? smp_reschedule_interrupt+0x109/0x650
[  625.299232]  ? smp_call_function_single_interrupt+0x650/0x650
[  625.305113]  ? interrupt_entry+0xb5/0xc0
[  625.309175]  ? trace_hardirqs_off_caller+0xbb/0x310
[  625.314186]  ? trace_hardirqs_off_caller+0xbb/0x310
[  625.319205]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  625.324044]  ? trace_hardirqs_on_caller+0x310/0x310
[  625.329055]  ? trace_hardirqs_on_caller+0x310/0x310
[  625.334068]  ? task_prio+0x50/0x50
[  625.337604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.343143]  ? check_preemption_disabled+0x48/0x280
[  625.348172]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  625.353020]  apic_timer_interrupt+0xf/0x20
[  625.357240]  </IRQ>
[  625.359493] RIP: 0010:dump_stack+0x358/0x39d
[  625.363903] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  625.382795] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  625.390624] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  625.397890] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  625.405154] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  625.412417] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  625.419684] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  625.426963]  ? dump_stack+0x34f/0x39d
[  625.430772]  ? dump_stack_print_info.cold.1+0x20/0x20
[  625.435964]  ? mark_held_locks+0x130/0x130
[  625.440190]  ? mark_held_locks+0x130/0x130
[  625.444420]  dump_header+0x27b/0xf72
[  625.448137]  ? pagefault_out_of_memory+0x197/0x197
[  625.453072]  ? __lock_acquire+0x62f/0x4c20
[  625.457304]  ? percpu_ref_get_many+0x240/0x240
[  625.461887]  ? print_usage_bug+0xc0/0xc0
[  625.465952]  ? zap_class+0x640/0x640
[  625.469682]  ? print_usage_bug+0xc0/0xc0
[  625.473738]  ? print_usage_bug+0xc0/0xc0
[  625.477796]  ? zap_class+0x640/0x640
[  625.481507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.487054]  ? find_held_lock+0x36/0x1c0
[  625.491128]  ? mark_held_locks+0xc7/0x130
[  625.495272]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  625.500372]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  625.505573]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  625.510151]  ? trace_hardirqs_on+0xbd/0x310
[  625.514470]  ? kasan_check_read+0x11/0x20
[  625.518611]  ? ___ratelimit+0x3b4/0x672
[  625.522584]  ? trace_hardirqs_off_caller+0x310/0x310
[  625.527694]  ? trace_hardirqs_on+0x310/0x310
[  625.532115]  ? lock_downgrade+0x900/0x900
[  625.536259]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  625.541376]  ? ___ratelimit+0x3b9/0x672
[  625.545347]  ? idr_get_free+0xf70/0xf70
[  625.549329]  ? find_held_lock+0x36/0x1c0
[  625.553401]  oom_kill_process.cold.27+0x10/0x903
[  625.558151]  ? zap_class+0x640/0x640
[  625.561864]  ? check_preemption_disabled+0x48/0x280
[  625.566877]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  625.571804]  ? kasan_check_read+0x11/0x20
[  625.575946]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  625.581218]  ? oom_evaluate_task+0x540/0x540
[  625.585644]  ? find_held_lock+0x36/0x1c0
[  625.589709]  ? out_of_memory+0x974/0x1430
[  625.593855]  ? lock_downgrade+0x900/0x900
[  625.597996]  ? check_preemption_disabled+0x48/0x280
[  625.603013]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  625.607938]  ? kasan_check_read+0x11/0x20
[  625.612080]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  625.617356]  ? rcu_softirq_qs+0x20/0x20
[  625.621337]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  625.626876]  ? oom_evaluate_task+0x302/0x540
[  625.631281]  out_of_memory+0xa84/0x1430
[  625.635258]  ? oom_killer_disable+0x3a0/0x3a0
[  625.639765]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  625.644697]  ? __ww_mutex_check_waiters+0x160/0x160
[  625.649805]  __alloc_pages_slowpath+0x232c/0x2de0
[  625.654667]  ? warn_alloc+0x120/0x120
[  625.658463]  ? mark_held_locks+0x130/0x130
[  625.662701]  ? find_get_entry+0xaae/0x1120
[  625.666941]  ? filemap_map_pages+0x1a20/0x1a20
[  625.671523]  ? zap_class+0x640/0x640
[  625.675237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.680772]  ? check_preemption_disabled+0x48/0x280
[  625.685782]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  625.691325]  ? should_fail+0x22d/0xd01
[  625.695216]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  625.700323]  ? zap_class+0x640/0x640
[  625.704057]  ? __lock_is_held+0xb5/0x140
[  625.708121]  ? mark_held_locks+0x130/0x130
[  625.712361]  ? lock_release+0xa00/0xa00
[  625.716336]  ? perf_trace_sched_process_exec+0x860/0x860
[  625.721783]  ? xa_load+0x2ba/0x460
[  625.725328]  ? lock_downgrade+0x900/0x900
[  625.729478]  ? __might_sleep+0x95/0x190
[  625.733455]  __alloc_pages_nodemask+0xad8/0xea0
[  625.738125]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  625.743173]  ? __page_cache_alloc+0x191/0x5c0
[  625.747660]  ? xa_load+0x2e1/0x460
[  625.751289]  ? xa_clear_mark+0x40/0x40
[  625.755176]  ? zap_class+0x640/0x640
[  625.758891]  ? zap_class+0x640/0x640
[  625.762609]  ? zap_class+0x640/0x640
[  625.766326]  ? zap_class+0x640/0x640
[  625.770039]  ? __do_page_cache_readahead+0x663/0x810
[  625.775143]  ? find_held_lock+0x36/0x1c0
[  625.779204]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  625.784742]  alloc_pages_current+0x173/0x350
[  625.789150]  __page_cache_alloc+0x38c/0x5c0
[  625.793479]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  625.798406]  ? kasan_check_read+0x11/0x20
[  625.802546]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  625.807838]  ? generic_perform_write+0x6a0/0x6a0
[  625.812590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  625.818123]  ? check_preemption_disabled+0x48/0x280
[  625.823145]  filemap_fault+0x1595/0x25f0
[  625.827211]  ? __lock_page_or_retry+0xa00/0xa00
[  625.831883]  ? mark_held_locks+0x130/0x130
[  625.836125]  ? filemap_map_pages+0xd6b/0x1a20
[  625.840616]  ? lock_downgrade+0x900/0x900
[  625.844762]  ? check_preemption_disabled+0x48/0x280
[  625.849780]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  625.854703]  ? kasan_check_read+0x11/0x20
[  625.858847]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  625.864121]  ? rcu_softirq_qs+0x20/0x20
[  625.868103]  ? filemap_map_pages+0xd92/0x1a20
[  625.872599]  ? queue_work_on+0x12c/0x1e0
[  625.876663]  ? find_get_entries_tag+0x1400/0x1400
[  625.881522]  ? debug_object_destroy+0x2b0/0x2b0
[  625.886193]  ? lock_pi_update_atomic+0x150/0x150
[  625.890947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.896510]  ? lock_acquire+0x1ed/0x520
[  625.900479]  ? ext4_filemap_fault+0x7a/0xad
[  625.904805]  ? lock_release+0xa00/0xa00
[  625.908772]  ? perf_trace_sched_process_exec+0x860/0x860
[  625.914220]  ? print_usage_bug+0xc0/0xc0
[  625.918296]  ? print_usage_bug+0xc0/0xc0
[  625.922371]  ? down_read+0x8d/0x120
[  625.925994]  ? ext4_filemap_fault+0x7a/0xad
[  625.930324]  ? __down_interruptible+0x700/0x700
[  625.935002]  ext4_filemap_fault+0x82/0xad
[  625.939147]  __do_fault+0x100/0x6b0
[  625.942770]  ? find_held_lock+0x36/0x1c0
[  625.946830]  ? pmd_devmap_trans_unstable+0x220/0x220
[  625.951932]  ? mark_held_locks+0x130/0x130
[  625.956166]  ? mark_held_locks+0x130/0x130
[  625.960409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  625.965946]  __handle_mm_fault+0x3ea0/0x5be0
[  625.970354]  ? perf_trace_lock+0x7a0/0x7a0
[  625.974589]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  625.979434]  ? __switch_to_asm+0x34/0x70
[  625.983491]  ? __switch_to_asm+0x34/0x70
[  625.987560]  ? zap_class+0x640/0x640
[  625.991269]  ? zap_class+0x640/0x640
[  625.994978]  ? __x64_sys_futex+0x53e/0x6a0
[  625.999214]  ? find_held_lock+0x36/0x1c0
[  626.003277]  ? handle_mm_fault+0x42a/0xc70
[  626.007523]  ? lock_downgrade+0x900/0x900
[  626.011666]  ? check_preemption_disabled+0x48/0x280
[  626.016683]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  626.021606]  ? kasan_check_read+0x11/0x20
[  626.025749]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  626.031018]  ? rcu_softirq_qs+0x20/0x20
[  626.034989]  ? trace_hardirqs_off_caller+0x310/0x310
[  626.040090]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  626.045803]  ? check_preemption_disabled+0x48/0x280
[  626.050939]  handle_mm_fault+0x54f/0xc70
[  626.054997]  ? __handle_mm_fault+0x5be0/0x5be0
[  626.059580]  ? find_vma+0x34/0x190
[  626.063128]  __do_page_fault+0x5e8/0xe60
[  626.067186]  ? trace_hardirqs_off+0xb8/0x310
[  626.071683]  do_page_fault+0xf2/0x7e0
[  626.075479]  ? vmalloc_sync_all+0x30/0x30
[  626.079621]  ? error_entry+0x70/0xd0
[  626.083334]  ? trace_hardirqs_off_caller+0xbb/0x310
[  626.088352]  ? trace_hardirqs_on_caller+0xc0/0x310
[  626.093279]  ? syscall_return_slowpath+0x5e0/0x5e0
[  626.098208]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  626.103057]  ? trace_hardirqs_on_caller+0x310/0x310
[  626.108069]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  626.113554]  ? prepare_exit_to_usermode+0x291/0x3b0
[  626.118585]  ? page_fault+0x8/0x30
[  626.122136]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  626.126978]  ? page_fault+0x8/0x30
[  626.130518]  page_fault+0x1e/0x30
[  626.133968] RIP: 0033:0x40f9c0
[  626.137169] Code: Bad RIP value.
[  626.140522] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  626.145879] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  626.153140] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  626.160417] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  626.167688] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  626.174948] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  626.182242] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  626.182247] warn_alloc_show_mem: 1 callbacks suppressed
[  626.182253] Mem-Info:
[  626.189539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  626.194902] active_anon:54071 inactive_anon:192 isolated_anon:0
[  626.194902]  active_file:13 inactive_file:14 isolated_file:0
[  626.194902]  unevictable:0 dirty:0 writeback:0 unstable:0
[  626.194902]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  626.194902]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  626.194902]  free:13779 free_pcp:228 free_cma:0
[  626.197268] Call Trace:
[  626.206640] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  626.239713]  <IRQ>
[  626.242281] 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
[  626.269780]  dump_stack+0x244/0x39d
[  626.271899] lowmem_reserve[]: 0 2818 6321 6321
[  626.298176]  ? dump_stack_print_info.cold.1+0x20/0x20
[  626.301771] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  626.306349]  warn_alloc.cold.116+0xb7/0x1bd
[  626.311500] lowmem_reserve[]: 0 0 3503 3503
[  626.338995]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  626.343289] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  626.347607]  ? lock_downgrade+0x900/0x900
[  626.352500] lowmem_reserve[]: 0 0 0 0
[  626.381402]  ? trace_hardirqs_off+0xb8/0x310
[  626.385520] 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
[  626.389338]  ? trace_hardirqs_off+0xb8/0x310
[  626.393908] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  626.407426]  __alloc_pages_slowpath+0x2651/0x2de0
[  626.411802] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  626.427694]  ? warn_alloc+0x120/0x120
[  626.432504] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  626.448092]  ? print_usage_bug+0xc0/0xc0
[  626.451871] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  626.460688]  ? warn_alloc+0x120/0x120
[  626.464727] 271 total pagecache pages
[  626.473329]  ? warn_alloc+0x120/0x120
[  626.477111] 0 pages in swap cache
[  626.480889]  ? print_usage_bug+0xc0/0xc0
[  626.484681] Swap cache stats: add 0, delete 0, find 0/0
[  626.488117]  ? print_usage_bug+0xc0/0xc0
[  626.492151] Free swap  = 0kB
[  626.497499]  ? __lock_acquire+0x62f/0x4c20
[  626.501527] Total swap = 0kB
[  626.501534] 1965979 pages RAM
[  626.504559]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  626.508769] 0 pages HighMem/MovableOnly
[  626.511777]  ? should_fail+0x22d/0xd01
[  626.514851] 342854 pages reserved
[  626.520386]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  626.524333] 0 pages cma reserved
[  626.528204]  ? __lock_acquire+0x62f/0x4c20
[  626.531691] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  626.536726]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  626.540124] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  626.544286]  ? __lock_acquire+0x62f/0x4c20
[  626.550752] syz-fuzzer cpuset=/ mems_allowed=0
[  626.555840]  ? should_fail+0x22d/0xd01
[  626.555855]  ? find_held_lock+0x36/0x1c0
[  626.582796]  ? mark_held_locks+0x130/0x130
[  626.587034]  ? mark_held_locks+0x130/0x130
[  626.591266]  ? zap_class+0x640/0x640
[  626.594980]  ? zap_class+0x640/0x640
[  626.598713]  ? print_usage_bug+0xc0/0xc0
[  626.602768]  ? do_raw_spin_unlock+0xa7/0x330
[  626.607186]  ? zap_class+0x640/0x640
[  626.610894]  ? print_usage_bug+0xc0/0xc0
[  626.614951]  ? wq_watchdog_touch+0x9c/0xfe
[  626.619185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.624725]  ? check_preemption_disabled+0x48/0x280
[  626.629746]  ? __lock_is_held+0xb5/0x140
[  626.633813]  __alloc_pages_nodemask+0xad8/0xea0
[  626.638479]  ? zap_class+0x640/0x640
[  626.642193]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  626.647219]  ? find_held_lock+0x36/0x1c0
[  626.651286]  ? ____cache_alloc_node+0x1c7/0x1e0
[  626.656147]  ? lock_downgrade+0x900/0x900
[  626.660300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.665843]  cache_grow_begin+0xa5/0x8c0
[  626.669900]  ? do_raw_spin_unlock+0xa7/0x330
[  626.674318]  fallback_alloc+0x204/0x2e0
[  626.678302]  ____cache_alloc_node+0x1c7/0x1e0
[  626.682800]  kmem_cache_alloc_node+0xe3/0x730
[  626.687301]  ? ipv6_get_ifaddr+0x42e/0x620
[  626.691540]  __alloc_skb+0x119/0x770
[  626.695246]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  626.700523]  ? netdev_alloc_frag+0x1f0/0x1f0
[  626.704928]  ? lock_downgrade+0x900/0x900
[  626.709097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.714657]  ? refcount_sub_and_test_checked+0x203/0x310
[  626.720120]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  626.725564]  ? addrconf_rs_timer+0x690/0x690
[  626.729977]  ndisc_alloc_skb+0x144/0x340
[  626.734039]  ndisc_send_rs+0x331/0x6e0
[  626.737924]  addrconf_rs_timer+0x314/0x690
[  626.742157]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  626.746394]  call_timer_fn+0x272/0x920
[  626.750278]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  626.754517]  ? process_timeout+0x40/0x40
[  626.758580]  ? __run_timers+0x7da/0xc70
[  626.762672]  ? _raw_spin_unlock_irq+0x27/0x80
[  626.767163]  ? _raw_spin_unlock_irq+0x27/0x80
[  626.771655]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  626.775887]  ? lockdep_hardirqs_on+0x296/0x5b0
[  626.780489]  ? trace_hardirqs_on+0xbd/0x310
[  626.784804]  ? kasan_check_read+0x11/0x20
[  626.788947]  ? __run_timers+0x7da/0xc70
[  626.792920]  ? trace_hardirqs_off_caller+0x310/0x310
[  626.798022]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  626.802268]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  626.806503]  __run_timers+0x7e5/0xc70
[  626.810313]  ? timer_fixup_init+0x70/0x70
[  626.814460]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  626.819476]  ? zap_class+0x640/0x640
[  626.823187]  ? enqueue_hrtimer+0x1a5/0x560
[  626.827896]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  626.833089]  ? find_held_lock+0x36/0x1c0
[  626.837152]  ? zap_class+0x640/0x640
[  626.840872]  ? pvclock_read_flags+0x160/0x160
[  626.845370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.850906]  ? check_preemption_disabled+0x48/0x280
[  626.855930]  ? __lock_is_held+0xb5/0x140
[  626.859986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.865520]  ? check_preemption_disabled+0x48/0x280
[  626.870545]  run_timer_softirq+0x52/0xb0
[  626.874605]  ? rcu_read_lock_sched_held+0x14f/0x180
[  626.879624]  __do_softirq+0x308/0xb7e
[  626.883423]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  626.887912]  ? lock_downgrade+0x900/0x900
[  626.892057]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  626.897161]  ? pvclock_read_flags+0x160/0x160
[  626.901657]  ? lapic_next_event+0x5a/0x90
[  626.905802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.911349]  ? kvm_clock_read+0x18/0x30
[  626.915325]  ? kvm_sched_clock_read+0x9/0x20
[  626.919732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.925268]  ? check_preemption_disabled+0x48/0x280
[  626.930311]  irq_exit+0x17f/0x1c0
[  626.933765]  smp_apic_timer_interrupt+0x1cb/0x760
[  626.938599]  ? smp_reschedule_interrupt+0x109/0x650
[  626.943611]  ? smp_call_function_single_interrupt+0x650/0x650
[  626.949492]  ? interrupt_entry+0xb5/0xc0
[  626.953553]  ? trace_hardirqs_off_caller+0xbb/0x310
[  626.958665]  ? trace_hardirqs_off_caller+0xbb/0x310
[  626.963697]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  626.968535]  ? trace_hardirqs_on_caller+0x310/0x310
[  626.973549]  ? trace_hardirqs_on_caller+0x310/0x310
[  626.978564]  ? task_prio+0x50/0x50
[  626.982100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.987633]  ? check_preemption_disabled+0x48/0x280
[  626.992648]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  626.997753]  apic_timer_interrupt+0xf/0x20
[  627.001977]  </IRQ>
[  627.004215] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  627.009143] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  627.028036] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  627.035742] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  627.043012] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  627.050273] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  627.057546] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  627.064810] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  627.072148]  skb_clone+0x1bb/0x500
[  627.075683]  ? finish_task_switch+0x1b4/0x910
[  627.080179]  ? skb_split+0x11e0/0x11e0
[  627.084084]  ? preempt_notifier_register+0x200/0x200
[  627.089180]  ? __switch_to_asm+0x34/0x70
[  627.093239]  ? __switch_to_asm+0x34/0x70
[  627.097302]  ? __switch_to_asm+0x40/0x70
[  627.101359]  ? __switch_to_asm+0x34/0x70
[  627.105524]  ? __switch_to_asm+0x40/0x70
[  627.109578]  ? __switch_to_asm+0x34/0x70
[  627.113632]  ? __switch_to_asm+0x40/0x70
[  627.117686]  ? __switch_to_asm+0x34/0x70
[  627.121743]  ? __switch_to_asm+0x34/0x70
[  627.125800]  ? __switch_to_asm+0x40/0x70
[  627.129859]  ? __switch_to_asm+0x34/0x70
[  627.133918]  bpf_clone_redirect+0xb9/0x490
[  627.138147]  ? __schedule+0x8d7/0x21d0
[  627.142037]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  627.147050]  ? __sched_text_start+0x8/0x8
[  627.151197]  ? retint_kernel+0x2d/0x2d
[  627.155098]  ? find_held_lock+0x36/0x1c0
[  627.159161]  ? lock_acquire+0x1ed/0x520
[  627.163136]  ? bpf_test_run+0x3cb/0x780
[  627.167105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.172639]  ? check_preemption_disabled+0x48/0x280
[  627.177661]  ? kasan_check_read+0x11/0x20
[  627.181803]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  627.187080]  ? rcu_softirq_qs+0x20/0x20
[  627.191056]  ? preempt_schedule+0x4d/0x60
[  627.195200]  ? ___preempt_schedule+0x16/0x18
[  627.199622]  ? bpf_test_run+0x25d/0x780
[  627.203600]  ? netlink_diag_dump+0x2a0/0x2a0
[  627.208009]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  627.213544]  ? bpf_test_init.isra.10+0x70/0x100
[  627.218214]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  627.222975]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  627.227815]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  627.233346]  ? fput+0x130/0x1a0
[  627.236626]  ? __bpf_prog_get+0x9b/0x290
[  627.240684]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  627.245520]  ? bpf_prog_test_run+0x130/0x1a0
[  627.249924]  ? __x64_sys_bpf+0x3db/0x520
[  627.253986]  ? bpf_prog_get+0x20/0x20
[  627.257804]  ? do_syscall_64+0x1b9/0x820
[  627.261865]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  627.267230]  ? syscall_return_slowpath+0x5e0/0x5e0
[  627.272157]  ? trace_hardirqs_on_caller+0x310/0x310
[  627.277186]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  627.282199]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  627.288877]  ? __switch_to_asm+0x40/0x70
[  627.292929]  ? __switch_to_asm+0x34/0x70
[  627.296989]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  627.301865]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  627.307242] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  627.307330] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  627.314261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  627.314266] Call Trace:
[  627.314272]  <IRQ>
[  627.314298]  dump_stack+0x244/0x39d
[  627.314322]  ? dump_stack_print_info.cold.1+0x20/0x20
[  627.320845] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  627.330139]  warn_alloc.cold.116+0xb7/0x1bd
[  627.332685] syz-executor5 cpuset=syz5 mems_allowed=0
[  627.334829]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  627.368299]  ? lock_downgrade+0x900/0x900
[  627.372454]  ? trace_hardirqs_off+0xb8/0x310
[  627.376880]  ? trace_hardirqs_off+0xb8/0x310
[  627.381298]  __alloc_pages_slowpath+0x2651/0x2de0
[  627.386160]  ? warn_alloc+0x120/0x120
[  627.389973]  ? print_usage_bug+0xc0/0xc0
[  627.394029]  ? warn_alloc+0x120/0x120
[  627.397850]  ? warn_alloc+0x120/0x120
[  627.401656]  ? print_usage_bug+0xc0/0xc0
[  627.405718]  ? print_usage_bug+0xc0/0xc0
[  627.409809]  ? __lock_acquire+0x62f/0x4c20
[  627.414044]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  627.419579]  ? should_fail+0x22d/0xd01
[  627.423465]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  627.428565]  ? __lock_acquire+0x62f/0x4c20
[  627.432973]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  627.438069]  ? __lock_acquire+0x62f/0x4c20
[  627.442300]  ? should_fail+0x22d/0xd01
[  627.446199]  ? find_held_lock+0x36/0x1c0
[  627.450292]  ? mark_held_locks+0x130/0x130
[  627.454535]  ? mark_held_locks+0x130/0x130
[  627.458776]  ? zap_class+0x640/0x640
[  627.462489]  ? zap_class+0x640/0x640
[  627.466202]  ? print_usage_bug+0xc0/0xc0
[  627.470285]  ? do_raw_spin_unlock+0xa7/0x330
[  627.474702]  ? zap_class+0x640/0x640
[  627.478409]  ? print_usage_bug+0xc0/0xc0
[  627.482483]  ? wq_watchdog_touch+0x9c/0xfe
[  627.486714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.492252]  ? check_preemption_disabled+0x48/0x280
[  627.497280]  ? __lock_is_held+0xb5/0x140
[  627.501344]  __alloc_pages_nodemask+0xad8/0xea0
[  627.506005]  ? zap_class+0x640/0x640
[  627.509715]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  627.514734]  ? find_held_lock+0x36/0x1c0
[  627.518815]  ? ____cache_alloc_node+0x1c7/0x1e0
[  627.523480]  ? lock_downgrade+0x900/0x900
[  627.527630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.533171]  cache_grow_begin+0xa5/0x8c0
[  627.537224]  ? do_raw_spin_unlock+0xa7/0x330
[  627.541637]  fallback_alloc+0x204/0x2e0
[  627.545609]  ____cache_alloc_node+0x1c7/0x1e0
[  627.550103]  kmem_cache_alloc_node+0xe3/0x730
[  627.554616]  ? ipv6_get_ifaddr+0x42e/0x620
[  627.558857]  __alloc_skb+0x119/0x770
[  627.562652]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  627.567931]  ? netdev_alloc_frag+0x1f0/0x1f0
[  627.572337]  ? lock_downgrade+0x900/0x900
[  627.576487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.582022]  ? refcount_sub_and_test_checked+0x203/0x310
[  627.587472]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  627.592920]  ? addrconf_rs_timer+0x690/0x690
[  627.597350]  ndisc_alloc_skb+0x144/0x340
[  627.601414]  ndisc_send_rs+0x331/0x6e0
[  627.605312]  addrconf_rs_timer+0x314/0x690
[  627.609568]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  627.613807]  call_timer_fn+0x272/0x920
[  627.617689]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  627.621929]  ? process_timeout+0x40/0x40
[  627.625993]  ? mark_held_locks+0xc7/0x130
[  627.630144]  ? _raw_spin_unlock_irq+0x27/0x80
[  627.634642]  ? _raw_spin_unlock_irq+0x27/0x80
[  627.639133]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  627.643362]  ? lockdep_hardirqs_on+0x296/0x5b0
[  627.647947]  ? trace_hardirqs_on+0xbd/0x310
[  627.652352]  ? kasan_check_read+0x11/0x20
[  627.656492]  ? __run_timers+0x7da/0xc70
[  627.660473]  ? trace_hardirqs_off_caller+0x310/0x310
[  627.665582]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  627.669815]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  627.674043]  __run_timers+0x7e5/0xc70
[  627.677846]  ? timer_fixup_init+0x70/0x70
[  627.681990]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  627.686999]  ? zap_class+0x640/0x640
[  627.690713]  ? print_usage_bug+0xc0/0xc0
[  627.694781]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  627.699969]  ? find_held_lock+0x36/0x1c0
[  627.704048]  ? zap_class+0x640/0x640
[  627.707763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.713312]  ? check_preemption_disabled+0x48/0x280
[  627.718331]  ? __lock_is_held+0xb5/0x140
[  627.722386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.727920]  ? check_preemption_disabled+0x48/0x280
[  627.732935]  run_timer_softirq+0x52/0xb0
[  627.736991]  ? rcu_read_lock_sched_held+0x14f/0x180
[  627.742004]  __do_softirq+0x308/0xb7e
[  627.745807]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  627.750305]  ? lock_downgrade+0x900/0x900
[  627.754453]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  627.759566]  ? pvclock_read_flags+0x160/0x160
[  627.764061]  ? lapic_next_event+0x5a/0x90
[  627.768209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.773747]  ? kvm_clock_read+0x18/0x30
[  627.777716]  ? kvm_sched_clock_read+0x9/0x20
[  627.782133]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  627.787666]  ? check_preemption_disabled+0x48/0x280
[  627.792712]  irq_exit+0x17f/0x1c0
[  627.796165]  smp_apic_timer_interrupt+0x1cb/0x760
[  627.801004]  ? smp_reschedule_interrupt+0x109/0x650
[  627.806013]  ? smp_call_function_single_interrupt+0x650/0x650
[  627.811894]  ? interrupt_entry+0xb5/0xc0
[  627.815953]  ? trace_hardirqs_off_caller+0xbb/0x310
[  627.820970]  ? trace_hardirqs_off_caller+0xbb/0x310
[  627.825987]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  627.830828]  ? trace_hardirqs_on_caller+0x310/0x310
[  627.835868]  ? trace_hardirqs_on_caller+0x310/0x310
[  627.840881]  ? task_prio+0x50/0x50
[  627.844417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.849948]  ? check_preemption_disabled+0x48/0x280
[  627.854967]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  627.859812]  apic_timer_interrupt+0xf/0x20
[  627.864036]  </IRQ>
[  627.866292] RIP: 0010:dump_stack+0x358/0x39d
[  627.870700] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  627.889613] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  627.897329] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  627.904593] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  627.911857] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  627.919120] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  627.926384] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  627.933662]  ? dump_stack+0x34f/0x39d
[  627.937490]  ? dump_stack_print_info.cold.1+0x20/0x20
[  627.942678]  ? mark_held_locks+0x130/0x130
[  627.946909]  ? mark_held_locks+0x130/0x130
[  627.951167]  dump_header+0x27b/0xf72
[  627.954886]  ? pagefault_out_of_memory+0x197/0x197
[  627.959815]  ? __lock_acquire+0x62f/0x4c20
[  627.964047]  ? percpu_ref_get_many+0x240/0x240
[  627.968625]  ? print_usage_bug+0xc0/0xc0
[  627.972692]  ? zap_class+0x640/0x640
[  627.976406]  ? print_usage_bug+0xc0/0xc0
[  627.980473]  ? print_usage_bug+0xc0/0xc0
[  627.984530]  ? zap_class+0x640/0x640
[  627.988242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.993809]  ? find_held_lock+0x36/0x1c0
[  627.997875]  ? mark_held_locks+0xc7/0x130
[  628.002030]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  628.007126]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  628.012223]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  628.016801]  ? trace_hardirqs_on+0xbd/0x310
[  628.021120]  ? kasan_check_read+0x11/0x20
[  628.025269]  ? ___ratelimit+0x3b4/0x672
[  628.029256]  ? trace_hardirqs_off_caller+0x310/0x310
[  628.034365]  ? trace_hardirqs_on+0x310/0x310
[  628.038784]  ? lock_downgrade+0x900/0x900
[  628.042944]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  628.048043]  ? ___ratelimit+0x3b9/0x672
[  628.052017]  ? idr_get_free+0xf70/0xf70
[  628.055989]  ? find_held_lock+0x36/0x1c0
[  628.060053]  oom_kill_process.cold.27+0x10/0x903
[  628.064806]  ? zap_class+0x640/0x640
[  628.068519]  ? check_preemption_disabled+0x48/0x280
[  628.073533]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  628.078457]  ? kasan_check_read+0x11/0x20
[  628.082631]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  628.087902]  ? oom_evaluate_task+0x540/0x540
[  628.092312]  ? find_held_lock+0x36/0x1c0
[  628.096376]  ? out_of_memory+0x974/0x1430
[  628.100519]  ? lock_downgrade+0x900/0x900
[  628.104661]  ? check_preemption_disabled+0x48/0x280
[  628.109678]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  628.114604]  ? kasan_check_read+0x11/0x20
[  628.118748]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  628.124021]  ? rcu_softirq_qs+0x20/0x20
[  628.127991]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  628.133539]  ? oom_evaluate_task+0x302/0x540
[  628.137944]  out_of_memory+0xa84/0x1430
[  628.141916]  ? oom_killer_disable+0x3a0/0x3a0
[  628.146496]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  628.151442]  ? __ww_mutex_check_waiters+0x160/0x160
[  628.156481]  __alloc_pages_slowpath+0x232c/0x2de0
[  628.161348]  ? warn_alloc+0x120/0x120
[  628.165144]  ? mark_held_locks+0x130/0x130
[  628.169382]  ? find_get_entry+0xaae/0x1120
[  628.173620]  ? filemap_map_pages+0x1a20/0x1a20
[  628.178218]  ? zap_class+0x640/0x640
[  628.181949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.187496]  ? check_preemption_disabled+0x48/0x280
[  628.192509]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  628.198065]  ? should_fail+0x22d/0xd01
[  628.201959]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  628.207057]  ? zap_class+0x640/0x640
[  628.210787]  ? __lock_is_held+0xb5/0x140
[  628.214854]  ? mark_held_locks+0x130/0x130
[  628.219107]  ? lock_release+0xa00/0xa00
[  628.223076]  ? perf_trace_sched_process_exec+0x860/0x860
[  628.228521]  ? xa_load+0x2ba/0x460
[  628.232063]  ? lock_downgrade+0x900/0x900
[  628.236210]  ? __might_sleep+0x95/0x190
[  628.240194]  __alloc_pages_nodemask+0xad8/0xea0
[  628.244862]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  628.249886]  ? __page_cache_alloc+0x191/0x5c0
[  628.254401]  ? xa_load+0x2e1/0x460
[  628.257936]  ? xa_clear_mark+0x40/0x40
[  628.261815]  ? zap_class+0x640/0x640
[  628.265528]  ? zap_class+0x640/0x640
[  628.269265]  ? zap_class+0x640/0x640
[  628.272980]  ? zap_class+0x640/0x640
[  628.276689]  ? __do_page_cache_readahead+0x663/0x810
[  628.281789]  ? find_held_lock+0x36/0x1c0
[  628.285865]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  628.291576]  alloc_pages_current+0x173/0x350
[  628.295993]  __page_cache_alloc+0x38c/0x5c0
[  628.300344]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  628.305273]  ? kasan_check_read+0x11/0x20
[  628.309419]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  628.314782]  ? generic_perform_write+0x6a0/0x6a0
[  628.319534]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  628.325067]  ? check_preemption_disabled+0x48/0x280
[  628.330088]  filemap_fault+0x1595/0x25f0
[  628.334171]  ? __lock_page_or_retry+0xa00/0xa00
[  628.338835]  ? mark_held_locks+0x130/0x130
[  628.343073]  ? filemap_map_pages+0xd6b/0x1a20
[  628.347579]  ? lock_downgrade+0x900/0x900
[  628.351722]  ? check_preemption_disabled+0x48/0x280
[  628.356737]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  628.361660]  ? kasan_check_read+0x11/0x20
[  628.365803]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  628.371078]  ? rcu_softirq_qs+0x20/0x20
[  628.375061]  ? filemap_map_pages+0xd92/0x1a20
[  628.379559]  ? queue_work_on+0x12c/0x1e0
[  628.383621]  ? find_get_entries_tag+0x1400/0x1400
[  628.388462]  ? debug_object_destroy+0x2b0/0x2b0
[  628.393131]  ? lock_pi_update_atomic+0x150/0x150
[  628.397882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.403442]  ? lock_acquire+0x1ed/0x520
[  628.407445]  ? ext4_filemap_fault+0x7a/0xad
[  628.411766]  ? lock_release+0xa00/0xa00
[  628.415741]  ? perf_trace_sched_process_exec+0x860/0x860
[  628.421195]  ? print_usage_bug+0xc0/0xc0
[  628.425261]  ? print_usage_bug+0xc0/0xc0
[  628.429336]  ? down_read+0x8d/0x120
[  628.432955]  ? ext4_filemap_fault+0x7a/0xad
[  628.437276]  ? __down_interruptible+0x700/0x700
[  628.441969]  ext4_filemap_fault+0x82/0xad
[  628.446141]  __do_fault+0x100/0x6b0
[  628.449766]  ? find_held_lock+0x36/0x1c0
[  628.453822]  ? pmd_devmap_trans_unstable+0x220/0x220
[  628.458924]  ? mark_held_locks+0x130/0x130
[  628.463159]  ? mark_held_locks+0x130/0x130
[  628.467407]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  628.472942]  __handle_mm_fault+0x3ea0/0x5be0
[  628.477347]  ? perf_trace_lock+0x7a0/0x7a0
[  628.481585]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  628.486427]  ? __switch_to_asm+0x34/0x70
[  628.490480]  ? __switch_to_asm+0x34/0x70
[  628.494549]  ? zap_class+0x640/0x640
[  628.498277]  ? zap_class+0x640/0x640
[  628.502008]  ? __x64_sys_futex+0x53e/0x6a0
[  628.506243]  ? find_held_lock+0x36/0x1c0
[  628.510320]  ? handle_mm_fault+0x42a/0xc70
[  628.514552]  ? lock_downgrade+0x900/0x900
[  628.518694]  ? check_preemption_disabled+0x48/0x280
[  628.523725]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  628.528663]  ? kasan_check_read+0x11/0x20
[  628.532807]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  628.538097]  ? rcu_softirq_qs+0x20/0x20
[  628.542067]  ? trace_hardirqs_off_caller+0x310/0x310
[  628.547163]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  628.552696]  ? check_preemption_disabled+0x48/0x280
[  628.557721]  handle_mm_fault+0x54f/0xc70
[  628.561788]  ? __handle_mm_fault+0x5be0/0x5be0
[  628.566372]  ? find_vma+0x34/0x190
[  628.569912]  __do_page_fault+0x5e8/0xe60
[  628.573970]  ? trace_hardirqs_off+0xb8/0x310
[  628.578385]  do_page_fault+0xf2/0x7e0
[  628.582182]  ? vmalloc_sync_all+0x30/0x30
[  628.586329]  ? error_entry+0x70/0xd0
[  628.590041]  ? trace_hardirqs_off_caller+0xbb/0x310
[  628.595051]  ? trace_hardirqs_on_caller+0xc0/0x310
[  628.599979]  ? syscall_return_slowpath+0x5e0/0x5e0
[  628.604903]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  628.609743]  ? trace_hardirqs_on_caller+0x310/0x310
[  628.614757]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  628.620212]  ? prepare_exit_to_usermode+0x291/0x3b0
[  628.625229]  ? page_fault+0x8/0x30
[  628.628773]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  628.633629]  ? page_fault+0x8/0x30
[  628.637164]  page_fault+0x1e/0x30
[  628.640623] RIP: 0033:0x40f9c0
[  628.643857] Code: Bad RIP value.
[  628.647212] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  628.652572] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  628.660250] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  628.668217] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  628.675507] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  628.682770] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  628.690065] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  628.690070] warn_alloc_show_mem: 1 callbacks suppressed
[  628.690077] Mem-Info:
[  628.697344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  628.702710] active_anon:54071 inactive_anon:192 isolated_anon:0
[  628.702710]  active_file:13 inactive_file:14 isolated_file:0
[  628.702710]  unevictable:0 dirty:0 writeback:0 unstable:0
[  628.702710]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  628.702710]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  628.702710]  free:13779 free_pcp:228 free_cma:0
[  628.705076] Call Trace:
[  628.714457] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  628.747295]  <IRQ>
[  628.749863] 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
[  628.777445]  dump_stack+0x244/0x39d
[  628.779557] lowmem_reserve[]: 0 2818 6321 6321
[  628.805674]  ? dump_stack_print_info.cold.1+0x20/0x20
[  628.809270] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  628.813850]  warn_alloc.cold.116+0xb7/0x1bd
[  628.819001] lowmem_reserve[]: 0 0 3503 3503
[  628.847042]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  628.851332] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  628.855645]  ? lock_downgrade+0x900/0x900
[  628.860448] lowmem_reserve[]: 0 0 0 0
[  628.889336]  ? trace_hardirqs_off+0xb8/0x310
[  628.893453] 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
[  628.897273]  ? trace_hardirqs_off+0xb8/0x310
[  628.901652] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  628.915196]  __alloc_pages_slowpath+0x2651/0x2de0
[  628.919658] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  628.935545]  ? warn_alloc+0x120/0x120
[  628.940347] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  628.955933]  ? print_usage_bug+0xc0/0xc0
[  628.959711] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  628.968567]  ? warn_alloc+0x120/0x120
[  628.972600] 271 total pagecache pages
[  628.981162]  ? warn_alloc+0x120/0x120
[  628.984940] 0 pages in swap cache
[  628.988721]  ? print_usage_bug+0xc0/0xc0
[  628.992499] Swap cache stats: add 0, delete 0, find 0/0
[  628.995948]  ? print_usage_bug+0xc0/0xc0
[  629.000068] Free swap  = 0kB
[  629.005421]  ? __lock_acquire+0x62f/0x4c20
[  629.009454] Total swap = 0kB
[  629.012467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  629.016676] 1965979 pages RAM
[  629.019680]  ? should_fail+0x22d/0xd01
[  629.025186] 0 pages HighMem/MovableOnly
[  629.028276]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  629.032141] 342854 pages reserved
[  629.032148] 0 pages cma reserved
[  629.036129]  ? __lock_acquire+0x62f/0x4c20
[  629.041280] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  629.044674]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  629.044687]  ? __lock_acquire+0x62f/0x4c20
[  629.044702]  ? should_fail+0x22d/0xd01
[  629.048102] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  629.052290]  ? find_held_lock+0x36/0x1c0
[  629.058755] syz-fuzzer cpuset=/ mems_allowed=0
[  629.063856]  ? mark_held_locks+0x130/0x130
[  629.095141]  ? mark_held_locks+0x130/0x130
[  629.099383]  ? zap_class+0x640/0x640
[  629.103095]  ? zap_class+0x640/0x640
[  629.106806]  ? print_usage_bug+0xc0/0xc0
[  629.110858]  ? do_raw_spin_unlock+0xa7/0x330
[  629.115264]  ? zap_class+0x640/0x640
[  629.118976]  ? print_usage_bug+0xc0/0xc0
[  629.123032]  ? wq_watchdog_touch+0x9c/0xfe
[  629.127268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.132890]  ? check_preemption_disabled+0x48/0x280
[  629.137910]  ? __lock_is_held+0xb5/0x140
[  629.141995]  __alloc_pages_nodemask+0xad8/0xea0
[  629.146664]  ? zap_class+0x640/0x640
[  629.150381]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  629.155403]  ? find_held_lock+0x36/0x1c0
[  629.159489]  ? ____cache_alloc_node+0x1c7/0x1e0
[  629.164156]  ? lock_downgrade+0x900/0x900
[  629.168308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.173844]  cache_grow_begin+0xa5/0x8c0
[  629.177899]  ? do_raw_spin_unlock+0xa7/0x330
[  629.182308]  fallback_alloc+0x204/0x2e0
[  629.186285]  ____cache_alloc_node+0x1c7/0x1e0
[  629.190897]  kmem_cache_alloc_node+0xe3/0x730
[  629.195389]  ? ipv6_get_ifaddr+0x42e/0x620
[  629.199632]  __alloc_skb+0x119/0x770
[  629.203346]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  629.208621]  ? netdev_alloc_frag+0x1f0/0x1f0
[  629.213029]  ? lock_downgrade+0x900/0x900
[  629.217180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.222716]  ? refcount_sub_and_test_checked+0x203/0x310
[  629.228164]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  629.233628]  ? addrconf_rs_timer+0x690/0x690
[  629.238044]  ndisc_alloc_skb+0x144/0x340
[  629.242102]  ndisc_send_rs+0x331/0x6e0
[  629.245988]  addrconf_rs_timer+0x314/0x690
[  629.250223]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  629.254473]  call_timer_fn+0x272/0x920
[  629.258356]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  629.262583]  ? process_timeout+0x40/0x40
[  629.266652]  ? __run_timers+0x7da/0xc70
[  629.270626]  ? _raw_spin_unlock_irq+0x27/0x80
[  629.275119]  ? _raw_spin_unlock_irq+0x27/0x80
[  629.279610]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  629.283843]  ? lockdep_hardirqs_on+0x296/0x5b0
[  629.288505]  ? trace_hardirqs_on+0xbd/0x310
[  629.292818]  ? kasan_check_read+0x11/0x20
[  629.296957]  ? __run_timers+0x7da/0xc70
[  629.300928]  ? trace_hardirqs_off_caller+0x310/0x310
[  629.306032]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  629.310268]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  629.314500]  __run_timers+0x7e5/0xc70
[  629.318342]  ? timer_fixup_init+0x70/0x70
[  629.322522]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  629.327537]  ? zap_class+0x640/0x640
[  629.331425]  ? enqueue_hrtimer+0x1a5/0x560
[  629.335660]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  629.340851]  ? find_held_lock+0x36/0x1c0
[  629.344914]  ? zap_class+0x640/0x640
[  629.348630]  ? pvclock_read_flags+0x160/0x160
[  629.353123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.358670]  ? check_preemption_disabled+0x48/0x280
[  629.363780]  ? __lock_is_held+0xb5/0x140
[  629.367838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.373375]  ? check_preemption_disabled+0x48/0x280
[  629.378392]  run_timer_softirq+0x52/0xb0
[  629.382473]  ? rcu_read_lock_sched_held+0x14f/0x180
[  629.387510]  __do_softirq+0x308/0xb7e
[  629.391321]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  629.395823]  ? lock_downgrade+0x900/0x900
[  629.399971]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  629.405160]  ? pvclock_read_flags+0x160/0x160
[  629.409653]  ? lapic_next_event+0x5a/0x90
[  629.413802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.419337]  ? kvm_clock_read+0x18/0x30
[  629.423304]  ? kvm_sched_clock_read+0x9/0x20
[  629.427708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.433248]  ? check_preemption_disabled+0x48/0x280
[  629.438271]  irq_exit+0x17f/0x1c0
[  629.441724]  smp_apic_timer_interrupt+0x1cb/0x760
[  629.446561]  ? smp_reschedule_interrupt+0x109/0x650
[  629.451577]  ? smp_call_function_single_interrupt+0x650/0x650
[  629.457457]  ? interrupt_entry+0xb5/0xc0
[  629.461519]  ? trace_hardirqs_off_caller+0xbb/0x310
[  629.466528]  ? trace_hardirqs_off_caller+0xbb/0x310
[  629.471542]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  629.476381]  ? trace_hardirqs_on_caller+0x310/0x310
[  629.481407]  ? trace_hardirqs_on_caller+0x310/0x310
[  629.486416]  ? task_prio+0x50/0x50
[  629.489948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.495481]  ? check_preemption_disabled+0x48/0x280
[  629.500497]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  629.505348]  apic_timer_interrupt+0xf/0x20
[  629.509573]  </IRQ>
[  629.511806] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  629.516731] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  629.535631] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  629.543331] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  629.550591] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  629.557853] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  629.565114] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  629.572375] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  629.579690]  skb_clone+0x1bb/0x500
[  629.583236]  ? finish_task_switch+0x1b4/0x910
[  629.587814]  ? skb_split+0x11e0/0x11e0
[  629.591698]  ? preempt_notifier_register+0x200/0x200
[  629.596802]  ? __switch_to_asm+0x34/0x70
[  629.600857]  ? __switch_to_asm+0x34/0x70
[  629.604909]  ? __switch_to_asm+0x40/0x70
[  629.608964]  ? __switch_to_asm+0x34/0x70
[  629.613021]  ? __switch_to_asm+0x40/0x70
[  629.617114]  ? __switch_to_asm+0x34/0x70
[  629.621261]  ? __switch_to_asm+0x40/0x70
[  629.625330]  ? __switch_to_asm+0x34/0x70
[  629.629386]  ? __switch_to_asm+0x34/0x70
[  629.633453]  ? __switch_to_asm+0x40/0x70
[  629.637507]  ? __switch_to_asm+0x34/0x70
[  629.641566]  bpf_clone_redirect+0xb9/0x490
[  629.645802]  ? __schedule+0x8d7/0x21d0
[  629.649688]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  629.654700]  ? __sched_text_start+0x8/0x8
[  629.658843]  ? retint_kernel+0x2d/0x2d
[  629.662736]  ? find_held_lock+0x36/0x1c0
[  629.666803]  ? lock_acquire+0x1ed/0x520
[  629.670783]  ? bpf_test_run+0x3cb/0x780
[  629.674770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.680302]  ? check_preemption_disabled+0x48/0x280
[  629.685329]  ? kasan_check_read+0x11/0x20
[  629.689477]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  629.694749]  ? rcu_softirq_qs+0x20/0x20
[  629.698725]  ? preempt_schedule+0x4d/0x60
[  629.702874]  ? ___preempt_schedule+0x16/0x18
[  629.707401]  ? bpf_test_run+0x25d/0x780
[  629.711381]  ? netlink_diag_dump+0x2a0/0x2a0
[  629.715785]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  629.721317]  ? bpf_test_init.isra.10+0x70/0x100
[  629.725987]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  629.730748]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  629.735587]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  629.741123]  ? fput+0x130/0x1a0
[  629.744400]  ? __bpf_prog_get+0x9b/0x290
[  629.748460]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  629.753302]  ? bpf_prog_test_run+0x130/0x1a0
[  629.757706]  ? __x64_sys_bpf+0x3db/0x520
[  629.761765]  ? bpf_prog_get+0x20/0x20
[  629.765581]  ? do_syscall_64+0x1b9/0x820
[  629.769634]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  629.774999]  ? syscall_return_slowpath+0x5e0/0x5e0
[  629.779944]  ? trace_hardirqs_on_caller+0x310/0x310
[  629.784968]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  629.789980]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  629.796645]  ? __switch_to_asm+0x40/0x70
[  629.800704]  ? __switch_to_asm+0x34/0x70
[  629.804770]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  629.809616]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  629.815018] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  629.815099] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  629.822033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  629.822037] Call Trace:
[  629.822055]  <IRQ>
[  629.822074]  dump_stack+0x244/0x39d
[  629.822093]  ? dump_stack_print_info.cold.1+0x20/0x20
[  629.828641] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  629.837938]  warn_alloc.cold.116+0xb7/0x1bd
[  629.840486] syz-executor5 cpuset=syz5 mems_allowed=0
[  629.842627]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  629.876113]  ? lock_downgrade+0x900/0x900
[  629.880278]  ? trace_hardirqs_off+0xb8/0x310
[  629.884691]  ? trace_hardirqs_off+0xb8/0x310
[  629.889105]  __alloc_pages_slowpath+0x2651/0x2de0
[  629.894068]  ? warn_alloc+0x120/0x120
[  629.897866]  ? print_usage_bug+0xc0/0xc0
[  629.901923]  ? warn_alloc+0x120/0x120
[  629.905724]  ? warn_alloc+0x120/0x120
[  629.909522]  ? print_usage_bug+0xc0/0xc0
[  629.913585]  ? print_usage_bug+0xc0/0xc0
[  629.917660]  ? __lock_acquire+0x62f/0x4c20
[  629.921917]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  629.927449]  ? should_fail+0x22d/0xd01
[  629.931340]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  629.936453]  ? __lock_acquire+0x62f/0x4c20
[  629.940685]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  629.945786]  ? __lock_acquire+0x62f/0x4c20
[  629.950034]  ? should_fail+0x22d/0xd01
[  629.953918]  ? find_held_lock+0x36/0x1c0
[  629.957983]  ? mark_held_locks+0x130/0x130
[  629.962305]  ? mark_held_locks+0x130/0x130
[  629.966533]  ? zap_class+0x640/0x640
[  629.970252]  ? zap_class+0x640/0x640
[  629.973963]  ? print_usage_bug+0xc0/0xc0
[  629.978030]  ? do_raw_spin_unlock+0xa7/0x330
[  629.982523]  ? zap_class+0x640/0x640
[  629.986240]  ? print_usage_bug+0xc0/0xc0
[  629.990393]  ? wq_watchdog_touch+0x9c/0xfe
[  629.994630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.000167]  ? check_preemption_disabled+0x48/0x280
[  630.005190]  ? __lock_is_held+0xb5/0x140
[  630.009265]  __alloc_pages_nodemask+0xad8/0xea0
[  630.013931]  ? zap_class+0x640/0x640
[  630.017643]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  630.022674]  ? find_held_lock+0x36/0x1c0
[  630.026747]  ? ____cache_alloc_node+0x1c7/0x1e0
[  630.031413]  ? lock_downgrade+0x900/0x900
[  630.035566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.041105]  cache_grow_begin+0xa5/0x8c0
[  630.045160]  ? do_raw_spin_unlock+0xa7/0x330
[  630.049578]  fallback_alloc+0x204/0x2e0
[  630.053553]  ____cache_alloc_node+0x1c7/0x1e0
[  630.058048]  kmem_cache_alloc_node+0xe3/0x730
[  630.062542]  ? ipv6_get_ifaddr+0x42e/0x620
[  630.066786]  __alloc_skb+0x119/0x770
[  630.070495]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  630.075772]  ? netdev_alloc_frag+0x1f0/0x1f0
[  630.080176]  ? lock_downgrade+0x900/0x900
[  630.084325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.089857]  ? refcount_sub_and_test_checked+0x203/0x310
[  630.095310]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  630.100773]  ? addrconf_rs_timer+0x690/0x690
[  630.105192]  ndisc_alloc_skb+0x144/0x340
[  630.109263]  ndisc_send_rs+0x331/0x6e0
[  630.113155]  addrconf_rs_timer+0x314/0x690
[  630.117391]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  630.121638]  call_timer_fn+0x272/0x920
[  630.125530]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  630.129761]  ? process_timeout+0x40/0x40
[  630.133827]  ? mark_held_locks+0xc7/0x130
[  630.137972]  ? _raw_spin_unlock_irq+0x27/0x80
[  630.142461]  ? _raw_spin_unlock_irq+0x27/0x80
[  630.146952]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  630.151215]  ? lockdep_hardirqs_on+0x296/0x5b0
[  630.155798]  ? trace_hardirqs_on+0xbd/0x310
[  630.160115]  ? kasan_check_read+0x11/0x20
[  630.164265]  ? __run_timers+0x7da/0xc70
[  630.168255]  ? trace_hardirqs_off_caller+0x310/0x310
[  630.173412]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  630.177648]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  630.181882]  __run_timers+0x7e5/0xc70
[  630.185701]  ? timer_fixup_init+0x70/0x70
[  630.189848]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  630.194860]  ? zap_class+0x640/0x640
[  630.198582]  ? print_usage_bug+0xc0/0xc0
[  630.202643]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  630.207833]  ? find_held_lock+0x36/0x1c0
[  630.211901]  ? zap_class+0x640/0x640
[  630.215613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.221150]  ? check_preemption_disabled+0x48/0x280
[  630.226171]  ? __lock_is_held+0xb5/0x140
[  630.230233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.235786]  ? check_preemption_disabled+0x48/0x280
[  630.240804]  run_timer_softirq+0x52/0xb0
[  630.244859]  ? rcu_read_lock_sched_held+0x14f/0x180
[  630.249869]  __do_softirq+0x308/0xb7e
[  630.253670]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  630.258156]  ? lock_downgrade+0x900/0x900
[  630.262301]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  630.267410]  ? pvclock_read_flags+0x160/0x160
[  630.271907]  ? lapic_next_event+0x5a/0x90
[  630.276057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.281595]  ? kvm_clock_read+0x18/0x30
[  630.285565]  ? kvm_sched_clock_read+0x9/0x20
[  630.289973]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  630.295508]  ? check_preemption_disabled+0x48/0x280
[  630.300532]  irq_exit+0x17f/0x1c0
[  630.303982]  smp_apic_timer_interrupt+0x1cb/0x760
[  630.308820]  ? smp_reschedule_interrupt+0x109/0x650
[  630.313832]  ? smp_call_function_single_interrupt+0x650/0x650
[  630.319717]  ? interrupt_entry+0xb5/0xc0
[  630.323776]  ? trace_hardirqs_off_caller+0xbb/0x310
[  630.328786]  ? trace_hardirqs_off_caller+0xbb/0x310
[  630.333801]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  630.338643]  ? trace_hardirqs_on_caller+0x310/0x310
[  630.343653]  ? trace_hardirqs_on_caller+0x310/0x310
[  630.348666]  ? task_prio+0x50/0x50
[  630.352222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.357759]  ? check_preemption_disabled+0x48/0x280
[  630.362776]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  630.367623]  apic_timer_interrupt+0xf/0x20
[  630.371893]  </IRQ>
[  630.374128] RIP: 0010:dump_stack+0x358/0x39d
[  630.378532] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  630.397541] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  630.405248] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  630.412508] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  630.419767] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  630.427031] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  630.434296] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  630.441595]  ? dump_stack+0x34f/0x39d
[  630.445402]  ? dump_stack_print_info.cold.1+0x20/0x20
[  630.450594]  ? mark_held_locks+0x130/0x130
[  630.454828]  ? mark_held_locks+0x130/0x130
[  630.459063]  dump_header+0x27b/0xf72
[  630.462784]  ? pagefault_out_of_memory+0x197/0x197
[  630.467715]  ? __lock_acquire+0x62f/0x4c20
[  630.471945]  ? percpu_ref_get_many+0x240/0x240
[  630.476531]  ? print_usage_bug+0xc0/0xc0
[  630.480593]  ? zap_class+0x640/0x640
[  630.484308]  ? print_usage_bug+0xc0/0xc0
[  630.488370]  ? print_usage_bug+0xc0/0xc0
[  630.492430]  ? zap_class+0x640/0x640
[  630.496139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.501677]  ? find_held_lock+0x36/0x1c0
[  630.505743]  ? mark_held_locks+0xc7/0x130
[  630.509902]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  630.515003]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  630.520122]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  630.524700]  ? trace_hardirqs_on+0xbd/0x310
[  630.529020]  ? kasan_check_read+0x11/0x20
[  630.533162]  ? ___ratelimit+0x3b4/0x672
[  630.537134]  ? trace_hardirqs_off_caller+0x310/0x310
[  630.542244]  ? trace_hardirqs_on+0x310/0x310
[  630.546663]  ? lock_downgrade+0x900/0x900
[  630.550829]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  630.555926]  ? ___ratelimit+0x3b9/0x672
[  630.559916]  ? idr_get_free+0xf70/0xf70
[  630.563885]  ? find_held_lock+0x36/0x1c0
[  630.567962]  oom_kill_process.cold.27+0x10/0x903
[  630.572713]  ? zap_class+0x640/0x640
[  630.576423]  ? check_preemption_disabled+0x48/0x280
[  630.581438]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  630.586364]  ? kasan_check_read+0x11/0x20
[  630.590508]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  630.595779]  ? oom_evaluate_task+0x540/0x540
[  630.600188]  ? find_held_lock+0x36/0x1c0
[  630.604341]  ? out_of_memory+0x974/0x1430
[  630.608507]  ? lock_downgrade+0x900/0x900
[  630.612651]  ? check_preemption_disabled+0x48/0x280
[  630.617667]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  630.622590]  ? kasan_check_read+0x11/0x20
[  630.626734]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  630.632007]  ? rcu_softirq_qs+0x20/0x20
[  630.635982]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  630.641515]  ? oom_evaluate_task+0x302/0x540
[  630.645923]  out_of_memory+0xa84/0x1430
[  630.649902]  ? oom_killer_disable+0x3a0/0x3a0
[  630.654394]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  630.659778]  ? __ww_mutex_check_waiters+0x160/0x160
[  630.664810]  __alloc_pages_slowpath+0x232c/0x2de0
[  630.669674]  ? warn_alloc+0x120/0x120
[  630.673474]  ? mark_held_locks+0x130/0x130
[  630.677713]  ? find_get_entry+0xaae/0x1120
[  630.681954]  ? filemap_map_pages+0x1a20/0x1a20
[  630.686537]  ? zap_class+0x640/0x640
[  630.690257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.695798]  ? check_preemption_disabled+0x48/0x280
[  630.700926]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  630.706460]  ? should_fail+0x22d/0xd01
[  630.710348]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  630.715465]  ? zap_class+0x640/0x640
[  630.719204]  ? __lock_is_held+0xb5/0x140
[  630.723272]  ? mark_held_locks+0x130/0x130
[  630.727591]  ? lock_release+0xa00/0xa00
[  630.731648]  ? perf_trace_sched_process_exec+0x860/0x860
[  630.737108]  ? xa_load+0x2ba/0x460
[  630.740651]  ? lock_downgrade+0x900/0x900
[  630.744812]  ? __might_sleep+0x95/0x190
[  630.748790]  __alloc_pages_nodemask+0xad8/0xea0
[  630.753464]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  630.758576]  ? __page_cache_alloc+0x191/0x5c0
[  630.763062]  ? xa_load+0x2e1/0x460
[  630.766597]  ? xa_clear_mark+0x40/0x40
[  630.770477]  ? zap_class+0x640/0x640
[  630.774188]  ? zap_class+0x640/0x640
[  630.777910]  ? zap_class+0x640/0x640
[  630.781617]  ? zap_class+0x640/0x640
[  630.785345]  ? __do_page_cache_readahead+0x663/0x810
[  630.790451]  ? find_held_lock+0x36/0x1c0
[  630.794513]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  630.800052]  alloc_pages_current+0x173/0x350
[  630.804459]  __page_cache_alloc+0x38c/0x5c0
[  630.808773]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  630.813696]  ? kasan_check_read+0x11/0x20
[  630.817839]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  630.823113]  ? generic_perform_write+0x6a0/0x6a0
[  630.828245]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  630.833781]  ? check_preemption_disabled+0x48/0x280
[  630.838803]  filemap_fault+0x1595/0x25f0
[  630.842869]  ? __lock_page_or_retry+0xa00/0xa00
[  630.847537]  ? mark_held_locks+0x130/0x130
[  630.851775]  ? filemap_map_pages+0xd6b/0x1a20
[  630.856265]  ? lock_downgrade+0x900/0x900
[  630.860403]  ? check_preemption_disabled+0x48/0x280
[  630.865416]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  630.870341]  ? kasan_check_read+0x11/0x20
[  630.874491]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  630.879785]  ? rcu_softirq_qs+0x20/0x20
[  630.883765]  ? filemap_map_pages+0xd92/0x1a20
[  630.888264]  ? queue_work_on+0x12c/0x1e0
[  630.892325]  ? find_get_entries_tag+0x1400/0x1400
[  630.897166]  ? debug_object_destroy+0x2b0/0x2b0
[  630.901837]  ? lock_pi_update_atomic+0x150/0x150
[  630.906587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.912137]  ? lock_acquire+0x1ed/0x520
[  630.916104]  ? ext4_filemap_fault+0x7a/0xad
[  630.920424]  ? lock_release+0xa00/0xa00
[  630.924390]  ? perf_trace_sched_process_exec+0x860/0x860
[  630.929846]  ? print_usage_bug+0xc0/0xc0
[  630.933905]  ? print_usage_bug+0xc0/0xc0
[  630.937973]  ? down_read+0x8d/0x120
[  630.941608]  ? ext4_filemap_fault+0x7a/0xad
[  630.945929]  ? __down_interruptible+0x700/0x700
[  630.950599]  ext4_filemap_fault+0x82/0xad
[  630.954745]  __do_fault+0x100/0x6b0
[  630.958366]  ? find_held_lock+0x36/0x1c0
[  630.962437]  ? pmd_devmap_trans_unstable+0x220/0x220
[  630.967634]  ? mark_held_locks+0x130/0x130
[  630.971866]  ? mark_held_locks+0x130/0x130
[  630.976110]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  630.981647]  __handle_mm_fault+0x3ea0/0x5be0
[  630.986048]  ? perf_trace_lock+0x7a0/0x7a0
[  630.990285]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  630.995130]  ? __switch_to_asm+0x34/0x70
[  630.999184]  ? __switch_to_asm+0x34/0x70
[  631.003263]  ? zap_class+0x640/0x640
[  631.006974]  ? zap_class+0x640/0x640
[  631.010684]  ? __x64_sys_futex+0x53e/0x6a0
[  631.014919]  ? find_held_lock+0x36/0x1c0
[  631.018985]  ? handle_mm_fault+0x42a/0xc70
[  631.023221]  ? lock_downgrade+0x900/0x900
[  631.027368]  ? check_preemption_disabled+0x48/0x280
[  631.032385]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  631.037312]  ? kasan_check_read+0x11/0x20
[  631.041455]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  631.046729]  ? rcu_softirq_qs+0x20/0x20
[  631.050701]  ? trace_hardirqs_off_caller+0x310/0x310
[  631.055802]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  631.061335]  ? check_preemption_disabled+0x48/0x280
[  631.066374]  handle_mm_fault+0x54f/0xc70
[  631.070452]  ? __handle_mm_fault+0x5be0/0x5be0
[  631.075033]  ? find_vma+0x34/0x190
[  631.078593]  __do_page_fault+0x5e8/0xe60
[  631.082653]  ? trace_hardirqs_off+0xb8/0x310
[  631.087064]  do_page_fault+0xf2/0x7e0
[  631.090867]  ? vmalloc_sync_all+0x30/0x30
[  631.095014]  ? error_entry+0x70/0xd0
[  631.098721]  ? trace_hardirqs_off_caller+0xbb/0x310
[  631.103733]  ? trace_hardirqs_on_caller+0xc0/0x310
[  631.108661]  ? syscall_return_slowpath+0x5e0/0x5e0
[  631.113583]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  631.118441]  ? trace_hardirqs_on_caller+0x310/0x310
[  631.123550]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  631.128999]  ? prepare_exit_to_usermode+0x291/0x3b0
[  631.134007]  ? page_fault+0x8/0x30
[  631.137543]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  631.142384]  ? page_fault+0x8/0x30
[  631.145921]  page_fault+0x1e/0x30
[  631.149367] RIP: 0033:0x40f9c0
[  631.152591] Code: Bad RIP value.
[  631.155952] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  631.161315] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  631.168600] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  631.175862] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  631.183126] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  631.190387] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  631.197690] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  631.197694] warn_alloc_show_mem: 1 callbacks suppressed
[  631.197701] Mem-Info:
[  631.204982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  631.210349] active_anon:54071 inactive_anon:192 isolated_anon:0
[  631.210349]  active_file:13 inactive_file:14 isolated_file:0
[  631.210349]  unevictable:0 dirty:0 writeback:0 unstable:0
[  631.210349]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  631.210349]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  631.210349]  free:13779 free_pcp:228 free_cma:0
[  631.212715] Call Trace:
[  631.222118] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  631.255038]  <IRQ>
[  631.257617] 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
[  631.285109]  dump_stack+0x244/0x39d
[  631.287242] lowmem_reserve[]: 0 2818 6321 6321
[  631.313452]  ? dump_stack_print_info.cold.1+0x20/0x20
[  631.317048] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  631.321630]  warn_alloc.cold.116+0xb7/0x1bd
[  631.326780] lowmem_reserve[]: 0 0 3503 3503
[  631.354274]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  631.358579] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  631.362913]  ? lock_downgrade+0x900/0x900
[  631.367719] lowmem_reserve[]: 0 0 0 0
[  631.396737]  ? trace_hardirqs_off+0xb8/0x310
[  631.400848] 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
[  631.404658]  ? trace_hardirqs_off+0xb8/0x310
[  631.409035] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  631.422639]  __alloc_pages_slowpath+0x2651/0x2de0
[  631.427014] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  631.442894]  ? warn_alloc+0x120/0x120
[  631.447694] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  631.463299]  ? print_usage_bug+0xc0/0xc0
[  631.467078] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  631.475895]  ? warn_alloc+0x120/0x120
[  631.479929] 271 total pagecache pages
[  631.488491]  ? warn_alloc+0x120/0x120
[  631.492277] 0 pages in swap cache
[  631.496074]  ? print_usage_bug+0xc0/0xc0
[  631.499847] Swap cache stats: add 0, delete 0, find 0/0
[  631.503284]  ? print_usage_bug+0xc0/0xc0
[  631.507313] Free swap  = 0kB
[  631.512661]  ? __lock_acquire+0x62f/0x4c20
[  631.516693] Total swap = 0kB
[  631.519720]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  631.523917] 1965979 pages RAM
[  631.526921]  ? should_fail+0x22d/0xd01
[  631.532419] 0 pages HighMem/MovableOnly
[  631.532426] 342854 pages reserved
[  631.535525]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  631.539384] 0 pages cma reserved
[  631.543346]  ? __lock_acquire+0x62f/0x4c20
[  631.546839] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  631.551863]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  631.551875]  ? __lock_acquire+0x62f/0x4c20
[  631.551889]  ? should_fail+0x22d/0xd01
[  631.555375] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  631.559535]  ? find_held_lock+0x36/0x1c0
[  631.565997] syz-fuzzer cpuset=/ mems_allowed=0
[  631.571095]  ? mark_held_locks+0x130/0x130
[  631.602210]  ? mark_held_locks+0x130/0x130
[  631.606442]  ? zap_class+0x640/0x640
[  631.610147]  ? zap_class+0x640/0x640
[  631.613862]  ? print_usage_bug+0xc0/0xc0
[  631.617917]  ? do_raw_spin_unlock+0xa7/0x330
[  631.622322]  ? zap_class+0x640/0x640
[  631.626034]  ? print_usage_bug+0xc0/0xc0
[  631.630095]  ? wq_watchdog_touch+0x9c/0xfe
[  631.634327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.639867]  ? check_preemption_disabled+0x48/0x280
[  631.644886]  ? __lock_is_held+0xb5/0x140
[  631.648949]  __alloc_pages_nodemask+0xad8/0xea0
[  631.653768]  ? zap_class+0x640/0x640
[  631.657580]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  631.662604]  ? find_held_lock+0x36/0x1c0
[  631.666670]  ? ____cache_alloc_node+0x1c7/0x1e0
[  631.671426]  ? lock_downgrade+0x900/0x900
[  631.675578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.681118]  cache_grow_begin+0xa5/0x8c0
[  631.685189]  ? do_raw_spin_unlock+0xa7/0x330
[  631.689688]  fallback_alloc+0x204/0x2e0
[  631.693667]  ____cache_alloc_node+0x1c7/0x1e0
[  631.698162]  kmem_cache_alloc_node+0xe3/0x730
[  631.702666]  ? ipv6_get_ifaddr+0x42e/0x620
[  631.706910]  __alloc_skb+0x119/0x770
[  631.710618]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  631.715893]  ? netdev_alloc_frag+0x1f0/0x1f0
[  631.720299]  ? lock_downgrade+0x900/0x900
[  631.724448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.729992]  ? refcount_sub_and_test_checked+0x203/0x310
[  631.735443]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  631.740911]  ? addrconf_rs_timer+0x690/0x690
[  631.745340]  ndisc_alloc_skb+0x144/0x340
[  631.749400]  ndisc_send_rs+0x331/0x6e0
[  631.753293]  addrconf_rs_timer+0x314/0x690
[  631.757527]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  631.761774]  call_timer_fn+0x272/0x920
[  631.765656]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  631.769885]  ? process_timeout+0x40/0x40
[  631.773962]  ? __run_timers+0x7da/0xc70
[  631.777934]  ? _raw_spin_unlock_irq+0x27/0x80
[  631.782423]  ? _raw_spin_unlock_irq+0x27/0x80
[  631.786913]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  631.791233]  ? lockdep_hardirqs_on+0x296/0x5b0
[  631.795813]  ? trace_hardirqs_on+0xbd/0x310
[  631.800129]  ? kasan_check_read+0x11/0x20
[  631.804268]  ? __run_timers+0x7da/0xc70
[  631.808243]  ? trace_hardirqs_off_caller+0x310/0x310
[  631.813467]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  631.817704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  631.821942]  __run_timers+0x7e5/0xc70
[  631.825754]  ? timer_fixup_init+0x70/0x70
[  631.829907]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  631.834920]  ? zap_class+0x640/0x640
[  631.838650]  ? enqueue_hrtimer+0x1a5/0x560
[  631.842882]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  631.848074]  ? find_held_lock+0x36/0x1c0
[  631.852138]  ? zap_class+0x640/0x640
[  631.855857]  ? pvclock_read_flags+0x160/0x160
[  631.860356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.865892]  ? check_preemption_disabled+0x48/0x280
[  631.871008]  ? __lock_is_held+0xb5/0x140
[  631.875064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.880600]  ? check_preemption_disabled+0x48/0x280
[  631.885617]  run_timer_softirq+0x52/0xb0
[  631.889677]  ? rcu_read_lock_sched_held+0x14f/0x180
[  631.894695]  __do_softirq+0x308/0xb7e
[  631.898587]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  631.903077]  ? lock_downgrade+0x900/0x900
[  631.907230]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  631.912335]  ? pvclock_read_flags+0x160/0x160
[  631.916834]  ? lapic_next_event+0x5a/0x90
[  631.920980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.926517]  ? kvm_clock_read+0x18/0x30
[  631.930488]  ? kvm_sched_clock_read+0x9/0x20
[  631.934909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.940444]  ? check_preemption_disabled+0x48/0x280
[  631.945461]  irq_exit+0x17f/0x1c0
[  631.948930]  smp_apic_timer_interrupt+0x1cb/0x760
[  631.953770]  ? smp_reschedule_interrupt+0x109/0x650
[  631.958781]  ? smp_call_function_single_interrupt+0x650/0x650
[  631.964662]  ? interrupt_entry+0xb5/0xc0
[  631.968723]  ? trace_hardirqs_off_caller+0xbb/0x310
[  631.973734]  ? trace_hardirqs_off_caller+0xbb/0x310
[  631.978748]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  631.983589]  ? trace_hardirqs_on_caller+0x310/0x310
[  631.988605]  ? trace_hardirqs_on_caller+0x310/0x310
[  631.993618]  ? task_prio+0x50/0x50
[  631.997174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.002713]  ? check_preemption_disabled+0x48/0x280
[  632.007733]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  632.012576]  apic_timer_interrupt+0xf/0x20
[  632.016802]  </IRQ>
[  632.019037] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  632.023962] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  632.042859] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  632.051182] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  632.058446] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  632.065712] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  632.072975] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  632.080263] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  632.087557]  skb_clone+0x1bb/0x500
[  632.091091]  ? finish_task_switch+0x1b4/0x910
[  632.095579]  ? skb_split+0x11e0/0x11e0
[  632.099466]  ? preempt_notifier_register+0x200/0x200
[  632.104565]  ? __switch_to_asm+0x34/0x70
[  632.108623]  ? __switch_to_asm+0x34/0x70
[  632.112681]  ? __switch_to_asm+0x40/0x70
[  632.116740]  ? __switch_to_asm+0x34/0x70
[  632.120795]  ? __switch_to_asm+0x40/0x70
[  632.124847]  ? __switch_to_asm+0x34/0x70
[  632.128902]  ? __switch_to_asm+0x40/0x70
[  632.132953]  ? __switch_to_asm+0x34/0x70
[  632.137007]  ? __switch_to_asm+0x34/0x70
[  632.141065]  ? __switch_to_asm+0x40/0x70
[  632.145117]  ? __switch_to_asm+0x34/0x70
[  632.149187]  bpf_clone_redirect+0xb9/0x490
[  632.153453]  ? __schedule+0x8d7/0x21d0
[  632.157341]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  632.162356]  ? __sched_text_start+0x8/0x8
[  632.166613]  ? retint_kernel+0x2d/0x2d
[  632.170517]  ? find_held_lock+0x36/0x1c0
[  632.174578]  ? lock_acquire+0x1ed/0x520
[  632.178553]  ? bpf_test_run+0x3cb/0x780
[  632.182523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.188053]  ? check_preemption_disabled+0x48/0x280
[  632.193082]  ? kasan_check_read+0x11/0x20
[  632.197221]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  632.202494]  ? rcu_softirq_qs+0x20/0x20
[  632.206461]  ? preempt_schedule+0x4d/0x60
[  632.210690]  ? ___preempt_schedule+0x16/0x18
[  632.215113]  ? bpf_test_run+0x25d/0x780
[  632.219097]  ? netlink_diag_dump+0x2a0/0x2a0
[  632.223504]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  632.229125]  ? bpf_test_init.isra.10+0x70/0x100
[  632.233794]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  632.238553]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  632.243392]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  632.248931]  ? fput+0x130/0x1a0
[  632.252206]  ? __bpf_prog_get+0x9b/0x290
[  632.256276]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  632.261114]  ? bpf_prog_test_run+0x130/0x1a0
[  632.265521]  ? __x64_sys_bpf+0x3db/0x520
[  632.269578]  ? bpf_prog_get+0x20/0x20
[  632.273392]  ? do_syscall_64+0x1b9/0x820
[  632.277445]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  632.282817]  ? syscall_return_slowpath+0x5e0/0x5e0
[  632.287746]  ? trace_hardirqs_on_caller+0x310/0x310
[  632.292866]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  632.297879]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  632.304537]  ? __switch_to_asm+0x40/0x70
[  632.308586]  ? __switch_to_asm+0x34/0x70
[  632.312648]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  632.317512]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  632.322889] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  632.322966] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  632.329994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  632.336679] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  632.345886] Call Trace:
[  632.356349] syz-executor5 cpuset=syz5 mems_allowed=0
[  632.358910]  <IRQ>
[  632.366341]  dump_stack+0x244/0x39d
[  632.369966]  ? dump_stack_print_info.cold.1+0x20/0x20
[  632.375167]  warn_alloc.cold.116+0xb7/0x1bd
[  632.379515]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  632.384360]  ? lock_downgrade+0x900/0x900
[  632.388524]  ? trace_hardirqs_off+0xb8/0x310
[  632.392935]  ? trace_hardirqs_off+0xb8/0x310
[  632.397345]  __alloc_pages_slowpath+0x2651/0x2de0
[  632.402224]  ? warn_alloc+0x120/0x120
[  632.406031]  ? print_usage_bug+0xc0/0xc0
[  632.410093]  ? warn_alloc+0x120/0x120
[  632.413898]  ? warn_alloc+0x120/0x120
[  632.417696]  ? print_usage_bug+0xc0/0xc0
[  632.421763]  ? print_usage_bug+0xc0/0xc0
[  632.425825]  ? __lock_acquire+0x62f/0x4c20
[  632.430061]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  632.435598]  ? should_fail+0x22d/0xd01
[  632.439485]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  632.444596]  ? __lock_acquire+0x62f/0x4c20
[  632.448830]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  632.453924]  ? __lock_acquire+0x62f/0x4c20
[  632.458175]  ? should_fail+0x22d/0xd01
[  632.462059]  ? find_held_lock+0x36/0x1c0
[  632.466125]  ? mark_held_locks+0x130/0x130
[  632.470368]  ? mark_held_locks+0x130/0x130
[  632.474598]  ? zap_class+0x640/0x640
[  632.478308]  ? zap_class+0x640/0x640
[  632.482034]  ? print_usage_bug+0xc0/0xc0
[  632.486090]  ? do_raw_spin_unlock+0xa7/0x330
[  632.490495]  ? zap_class+0x640/0x640
[  632.494226]  ? print_usage_bug+0xc0/0xc0
[  632.498284]  ? wq_watchdog_touch+0x9c/0xfe
[  632.502521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.508056]  ? check_preemption_disabled+0x48/0x280
[  632.513074]  ? __lock_is_held+0xb5/0x140
[  632.517163]  __alloc_pages_nodemask+0xad8/0xea0
[  632.521835]  ? zap_class+0x640/0x640
[  632.525547]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  632.530567]  ? find_held_lock+0x36/0x1c0
[  632.534629]  ? ____cache_alloc_node+0x1c7/0x1e0
[  632.539292]  ? lock_downgrade+0x900/0x900
[  632.543443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.548980]  cache_grow_begin+0xa5/0x8c0
[  632.553034]  ? do_raw_spin_unlock+0xa7/0x330
[  632.557445]  fallback_alloc+0x204/0x2e0
[  632.561418]  ____cache_alloc_node+0x1c7/0x1e0
[  632.565918]  kmem_cache_alloc_node+0xe3/0x730
[  632.570409]  ? ipv6_get_ifaddr+0x42e/0x620
[  632.574648]  __alloc_skb+0x119/0x770
[  632.578357]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  632.583637]  ? netdev_alloc_frag+0x1f0/0x1f0
[  632.588044]  ? lock_downgrade+0x900/0x900
[  632.592203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.597737]  ? refcount_sub_and_test_checked+0x203/0x310
[  632.603196]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  632.608645]  ? addrconf_rs_timer+0x690/0x690
[  632.613061]  ndisc_alloc_skb+0x144/0x340
[  632.617126]  ndisc_send_rs+0x331/0x6e0
[  632.621024]  addrconf_rs_timer+0x314/0x690
[  632.625261]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  632.629517]  call_timer_fn+0x272/0x920
[  632.633414]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  632.637644]  ? process_timeout+0x40/0x40
[  632.641720]  ? mark_held_locks+0xc7/0x130
[  632.645872]  ? _raw_spin_unlock_irq+0x27/0x80
[  632.650359]  ? _raw_spin_unlock_irq+0x27/0x80
[  632.654848]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  632.659557]  ? lockdep_hardirqs_on+0x296/0x5b0
[  632.664141]  ? trace_hardirqs_on+0xbd/0x310
[  632.668466]  ? kasan_check_read+0x11/0x20
[  632.672613]  ? __run_timers+0x7da/0xc70
[  632.676587]  ? trace_hardirqs_off_caller+0x310/0x310
[  632.681693]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  632.685952]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  632.690182]  __run_timers+0x7e5/0xc70
[  632.693990]  ? timer_fixup_init+0x70/0x70
[  632.698134]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  632.703161]  ? zap_class+0x640/0x640
[  632.706882]  ? print_usage_bug+0xc0/0xc0
[  632.710943]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  632.716134]  ? find_held_lock+0x36/0x1c0
[  632.720208]  ? zap_class+0x640/0x640
[  632.723925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.729459]  ? check_preemption_disabled+0x48/0x280
[  632.734479]  ? __lock_is_held+0xb5/0x140
[  632.738540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.744077]  ? check_preemption_disabled+0x48/0x280
[  632.749093]  run_timer_softirq+0x52/0xb0
[  632.753163]  ? rcu_read_lock_sched_held+0x14f/0x180
[  632.758201]  __do_softirq+0x308/0xb7e
[  632.762023]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  632.766525]  ? lock_downgrade+0x900/0x900
[  632.770690]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  632.775799]  ? pvclock_read_flags+0x160/0x160
[  632.780291]  ? lapic_next_event+0x5a/0x90
[  632.784440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.789977]  ? kvm_clock_read+0x18/0x30
[  632.793945]  ? kvm_sched_clock_read+0x9/0x20
[  632.799132]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  632.804669]  ? check_preemption_disabled+0x48/0x280
[  632.809690]  irq_exit+0x17f/0x1c0
[  632.813144]  smp_apic_timer_interrupt+0x1cb/0x760
[  632.817986]  ? smp_reschedule_interrupt+0x109/0x650
[  632.822998]  ? smp_call_function_single_interrupt+0x650/0x650
[  632.829208]  ? interrupt_entry+0xb5/0xc0
[  632.833269]  ? trace_hardirqs_off_caller+0xbb/0x310
[  632.838279]  ? trace_hardirqs_off_caller+0xbb/0x310
[  632.843384]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  632.848224]  ? trace_hardirqs_on_caller+0x310/0x310
[  632.853247]  ? trace_hardirqs_on_caller+0x310/0x310
[  632.859039]  ? task_prio+0x50/0x50
[  632.862576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.868110]  ? check_preemption_disabled+0x48/0x280
[  632.873158]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  632.878012]  apic_timer_interrupt+0xf/0x20
[  632.882240]  </IRQ>
[  632.884483] RIP: 0010:dump_stack+0x358/0x39d
[  632.888890] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  632.907783] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  632.915499] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  632.922762] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  632.930027] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  632.937292] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  632.944556] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  632.951840]  ? dump_stack+0x34f/0x39d
[  632.955652]  ? dump_stack_print_info.cold.1+0x20/0x20
[  632.960871]  ? mark_held_locks+0x130/0x130
[  632.965101]  ? mark_held_locks+0x130/0x130
[  632.969340]  dump_header+0x27b/0xf72
[  632.973064]  ? pagefault_out_of_memory+0x197/0x197
[  632.977999]  ? __lock_acquire+0x62f/0x4c20
[  632.982236]  ? percpu_ref_get_many+0x240/0x240
[  632.986816]  ? print_usage_bug+0xc0/0xc0
[  632.990883]  ? zap_class+0x640/0x640
[  632.994594]  ? print_usage_bug+0xc0/0xc0
[  632.998677]  ? print_usage_bug+0xc0/0xc0
[  633.002755]  ? zap_class+0x640/0x640
[  633.006468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  633.012003]  ? find_held_lock+0x36/0x1c0
[  633.016066]  ? mark_held_locks+0xc7/0x130
[  633.020217]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  633.025312]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  633.030409]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  633.034989]  ? trace_hardirqs_on+0xbd/0x310
[  633.039308]  ? kasan_check_read+0x11/0x20
[  633.043483]  ? ___ratelimit+0x3b4/0x672
[  633.047454]  ? trace_hardirqs_off_caller+0x310/0x310
[  633.052553]  ? trace_hardirqs_on+0x310/0x310
[  633.056956]  ? lock_downgrade+0x900/0x900
[  633.061119]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  633.066227]  ? ___ratelimit+0x3b9/0x672
[  633.070201]  ? idr_get_free+0xf70/0xf70
[  633.074174]  ? find_held_lock+0x36/0x1c0
[  633.078249]  oom_kill_process.cold.27+0x10/0x903
[  633.083003]  ? zap_class+0x640/0x640
[  633.086718]  ? check_preemption_disabled+0x48/0x280
[  633.091732]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  633.096658]  ? kasan_check_read+0x11/0x20
[  633.100802]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  633.106078]  ? oom_evaluate_task+0x540/0x540
[  633.110485]  ? find_held_lock+0x36/0x1c0
[  633.114548]  ? out_of_memory+0x974/0x1430
[  633.118701]  ? lock_downgrade+0x900/0x900
[  633.122845]  ? check_preemption_disabled+0x48/0x280
[  633.127859]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  633.132783]  ? kasan_check_read+0x11/0x20
[  633.136925]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  633.142199]  ? rcu_softirq_qs+0x20/0x20
[  633.146180]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  633.151720]  ? oom_evaluate_task+0x302/0x540
[  633.156127]  out_of_memory+0xa84/0x1430
[  633.160111]  ? oom_killer_disable+0x3a0/0x3a0
[  633.164611]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  633.169540]  ? __ww_mutex_check_waiters+0x160/0x160
[  633.174562]  __alloc_pages_slowpath+0x232c/0x2de0
[  633.179525]  ? warn_alloc+0x120/0x120
[  633.183321]  ? mark_held_locks+0x130/0x130
[  633.187557]  ? find_get_entry+0xaae/0x1120
[  633.191798]  ? filemap_map_pages+0x1a20/0x1a20
[  633.196380]  ? zap_class+0x640/0x640
[  633.200096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  633.205631]  ? check_preemption_disabled+0x48/0x280
[  633.210640]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  633.216206]  ? should_fail+0x22d/0xd01
[  633.220091]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  633.225200]  ? zap_class+0x640/0x640
[  633.228933]  ? __lock_is_held+0xb5/0x140
[  633.232995]  ? mark_held_locks+0x130/0x130
[  633.237231]  ? lock_release+0xa00/0xa00
[  633.241202]  ? perf_trace_sched_process_exec+0x860/0x860
[  633.246731]  ? xa_load+0x2ba/0x460
[  633.250270]  ? lock_downgrade+0x900/0x900
[  633.254425]  ? __might_sleep+0x95/0x190
[  633.258402]  __alloc_pages_nodemask+0xad8/0xea0
[  633.263081]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  633.268189]  ? __page_cache_alloc+0x191/0x5c0
[  633.272684]  ? xa_load+0x2e1/0x460
[  633.276224]  ? xa_clear_mark+0x40/0x40
[  633.280108]  ? zap_class+0x640/0x640
[  633.283836]  ? zap_class+0x640/0x640
[  633.287565]  ? zap_class+0x640/0x640
[  633.291290]  ? zap_class+0x640/0x640
[  633.295035]  ? __do_page_cache_readahead+0x663/0x810
[  633.300145]  ? find_held_lock+0x36/0x1c0
[  633.304209]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  633.309750]  alloc_pages_current+0x173/0x350
[  633.314162]  __page_cache_alloc+0x38c/0x5c0
[  633.318479]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  633.323402]  ? kasan_check_read+0x11/0x20
[  633.327543]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  633.332819]  ? generic_perform_write+0x6a0/0x6a0
[  633.337569]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  633.343119]  ? check_preemption_disabled+0x48/0x280
[  633.348163]  filemap_fault+0x1595/0x25f0
[  633.352234]  ? __lock_page_or_retry+0xa00/0xa00
[  633.356901]  ? mark_held_locks+0x130/0x130
[  633.361167]  ? filemap_map_pages+0xd6b/0x1a20
[  633.365685]  ? lock_downgrade+0x900/0x900
[  633.369828]  ? check_preemption_disabled+0x48/0x280
[  633.374840]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  633.379774]  ? kasan_check_read+0x11/0x20
[  633.383915]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  633.389192]  ? rcu_softirq_qs+0x20/0x20
[  633.393184]  ? filemap_map_pages+0xd92/0x1a20
[  633.397679]  ? queue_work_on+0x12c/0x1e0
[  633.401740]  ? find_get_entries_tag+0x1400/0x1400
[  633.406584]  ? debug_object_destroy+0x2b0/0x2b0
[  633.411264]  ? lock_pi_update_atomic+0x150/0x150
[  633.416017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  633.421661]  ? lock_acquire+0x1ed/0x520
[  633.425637]  ? ext4_filemap_fault+0x7a/0xad
[  633.429975]  ? lock_release+0xa00/0xa00
[  633.433945]  ? perf_trace_sched_process_exec+0x860/0x860
[  633.439403]  ? print_usage_bug+0xc0/0xc0
[  633.443462]  ? print_usage_bug+0xc0/0xc0
[  633.447530]  ? down_read+0x8d/0x120
[  633.451161]  ? ext4_filemap_fault+0x7a/0xad
[  633.455485]  ? __down_interruptible+0x700/0x700
[  633.460172]  ext4_filemap_fault+0x82/0xad
[  633.464328]  __do_fault+0x100/0x6b0
[  633.467949]  ? find_held_lock+0x36/0x1c0
[  633.472010]  ? pmd_devmap_trans_unstable+0x220/0x220
[  633.477110]  ? mark_held_locks+0x130/0x130
[  633.481346]  ? mark_held_locks+0x130/0x130
[  633.485586]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  633.491120]  __handle_mm_fault+0x3ea0/0x5be0
[  633.495534]  ? perf_trace_lock+0x7a0/0x7a0
[  633.499771]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  633.504619]  ? __switch_to_asm+0x34/0x70
[  633.508675]  ? __switch_to_asm+0x34/0x70
[  633.512747]  ? zap_class+0x640/0x640
[  633.516467]  ? zap_class+0x640/0x640
[  633.520199]  ? __x64_sys_futex+0x53e/0x6a0
[  633.524437]  ? find_held_lock+0x36/0x1c0
[  633.528588]  ? handle_mm_fault+0x42a/0xc70
[  633.532820]  ? lock_downgrade+0x900/0x900
[  633.536961]  ? check_preemption_disabled+0x48/0x280
[  633.541976]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  633.546898]  ? kasan_check_read+0x11/0x20
[  633.551039]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  633.556313]  ? rcu_softirq_qs+0x20/0x20
[  633.560283]  ? trace_hardirqs_off_caller+0x310/0x310
[  633.565383]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  633.570912]  ? check_preemption_disabled+0x48/0x280
[  633.575931]  handle_mm_fault+0x54f/0xc70
[  633.580076]  ? __handle_mm_fault+0x5be0/0x5be0
[  633.584765]  ? find_vma+0x34/0x190
[  633.588323]  __do_page_fault+0x5e8/0xe60
[  633.592377]  ? trace_hardirqs_off+0xb8/0x310
[  633.596804]  do_page_fault+0xf2/0x7e0
[  633.600614]  ? vmalloc_sync_all+0x30/0x30
[  633.604778]  ? error_entry+0x70/0xd0
[  633.608490]  ? trace_hardirqs_off_caller+0xbb/0x310
[  633.613501]  ? trace_hardirqs_on_caller+0xc0/0x310
[  633.618440]  ? syscall_return_slowpath+0x5e0/0x5e0
[  633.623364]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  633.628204]  ? trace_hardirqs_on_caller+0x310/0x310
[  633.633321]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  633.638860]  ? prepare_exit_to_usermode+0x291/0x3b0
[  633.643869]  ? page_fault+0x8/0x30
[  633.647407]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  633.652245]  ? page_fault+0x8/0x30
[  633.655790]  page_fault+0x1e/0x30
[  633.659234] RIP: 0033:0x40f9c0
[  633.662447] Code: Bad RIP value.
[  633.665804] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  633.671161] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  633.678456] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  633.685718] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  633.692978] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  633.700241] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  633.707528] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  633.707533] warn_alloc_show_mem: 1 callbacks suppressed
[  633.707539] Mem-Info:
[  633.714822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  633.720192] active_anon:54071 inactive_anon:192 isolated_anon:0
[  633.720192]  active_file:13 inactive_file:14 isolated_file:0
[  633.720192]  unevictable:0 dirty:0 writeback:0 unstable:0
[  633.720192]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  633.720192]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  633.720192]  free:13779 free_pcp:228 free_cma:0
[  633.722556] Call Trace:
[  633.732030] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  633.764879]  <IRQ>
[  633.767455] 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
[  633.794946]  dump_stack+0x244/0x39d
[  633.797057] lowmem_reserve[]: 0 2818 6321 6321
[  633.823184]  ? dump_stack_print_info.cold.1+0x20/0x20
[  633.826780] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  633.831359]  warn_alloc.cold.116+0xb7/0x1bd
[  633.836512] lowmem_reserve[]: 0 0 3503 3503
[  633.864017]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  633.868319] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  633.872631]  ? lock_downgrade+0x900/0x900
[  633.877442] lowmem_reserve[]: 0 0 0 0
[  633.906322]  ? trace_hardirqs_off+0xb8/0x310
[  633.910439] 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
[  633.914240]  ? trace_hardirqs_off+0xb8/0x310
[  633.918616] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  633.932142]  __alloc_pages_slowpath+0x2651/0x2de0
[  633.936517] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  633.952395]  ? warn_alloc+0x120/0x120
[  633.957194] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  633.972781]  ? warn_alloc+0x120/0x120
[  633.976561] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  633.985380]  ? zap_class+0x640/0x640
[  633.989160] 271 total pagecache pages
[  633.997750]  ? warn_alloc+0x120/0x120
[  634.001447] 0 pages in swap cache
[  634.005225]  ? print_usage_bug+0xc0/0xc0
[  634.009016] Swap cache stats: add 0, delete 0, find 0/0
[  634.012452]  ? print_usage_bug+0xc0/0xc0
[  634.016485] Free swap  = 0kB
[  634.021833]  ? __lock_is_held+0xb5/0x140
[  634.025865] Total swap = 0kB
[  634.028874]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  634.032906] 1965979 pages RAM
[  634.035911]  ? should_fail+0x22d/0xd01
[  634.041435] 0 pages HighMem/MovableOnly
[  634.044531]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  634.048389] 342854 pages reserved
[  634.052352]  ? __lock_acquire+0x62f/0x4c20
[  634.057421] 0 pages cma reserved
[  634.057496] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  634.060872]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  634.065180] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  634.068439]  ? __lock_acquire+0x62f/0x4c20
[  634.074900] syz-fuzzer cpuset=/ mems_allowed=0
[  634.079987]  ? should_fail+0x22d/0xd01
[  634.080011]  ? mark_held_locks+0x130/0x130
[  634.107099]  ? mark_held_locks+0x130/0x130
[  634.111342]  ? __enqueue_entity+0x10d/0x1f0
[  634.115668]  ? zap_class+0x640/0x640
[  634.119383]  ? print_usage_bug+0xc0/0xc0
[  634.123444]  ? __lock_acquire+0x62f/0x4c20
[  634.127685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.133224]  ? check_preemption_disabled+0x48/0x280
[  634.138246]  ? __lock_is_held+0xb5/0x140
[  634.142308]  __alloc_pages_nodemask+0xad8/0xea0
[  634.146972]  ? zap_class+0x640/0x640
[  634.150687]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  634.155710]  ? find_held_lock+0x36/0x1c0
[  634.159776]  ? ____cache_alloc_node+0x1c7/0x1e0
[  634.164441]  ? lock_downgrade+0x900/0x900
[  634.168591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.174135]  cache_grow_begin+0xa5/0x8c0
[  634.178191]  ? do_raw_spin_unlock+0xa7/0x330
[  634.182614]  fallback_alloc+0x204/0x2e0
[  634.186589]  ____cache_alloc_node+0x1c7/0x1e0
[  634.191170]  kmem_cache_alloc_node+0xe3/0x730
[  634.195666]  ? ipv6_get_ifaddr+0x42e/0x620
[  634.199907]  __alloc_skb+0x119/0x770
[  634.203627]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  634.208907]  ? netdev_alloc_frag+0x1f0/0x1f0
[  634.213314]  ? lock_downgrade+0x900/0x900
[  634.217462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.222996]  ? refcount_sub_and_test_checked+0x203/0x310
[  634.228446]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  634.233891]  ? addrconf_rs_timer+0x690/0x690
[  634.238305]  ndisc_alloc_skb+0x144/0x340
[  634.242369]  ndisc_send_rs+0x331/0x6e0
[  634.246259]  addrconf_rs_timer+0x314/0x690
[  634.250493]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  634.254730]  call_timer_fn+0x272/0x920
[  634.258613]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  634.262840]  ? process_timeout+0x40/0x40
[  634.266904]  ? __run_timers+0x7da/0xc70
[  634.270881]  ? _raw_spin_unlock_irq+0x27/0x80
[  634.275381]  ? _raw_spin_unlock_irq+0x27/0x80
[  634.279873]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  634.284106]  ? lockdep_hardirqs_on+0x296/0x5b0
[  634.288695]  ? trace_hardirqs_on+0xbd/0x310
[  634.293015]  ? kasan_check_read+0x11/0x20
[  634.297160]  ? __run_timers+0x7da/0xc70
[  634.301135]  ? trace_hardirqs_off_caller+0x310/0x310
[  634.306243]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  634.310586]  __run_timers+0x7e5/0xc70
[  634.314389]  ? timer_fixup_init+0x70/0x70
[  634.318538]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  634.323551]  ? zap_class+0x640/0x640
[  634.327264]  ? enqueue_hrtimer+0x1a5/0x560
[  634.331504]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  634.336696]  ? find_held_lock+0x36/0x1c0
[  634.340760]  ? zap_class+0x640/0x640
[  634.344474]  ? pvclock_read_flags+0x160/0x160
[  634.348967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.354499]  ? check_preemption_disabled+0x48/0x280
[  634.359516]  ? __lock_is_held+0xb5/0x140
[  634.363571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.369104]  ? check_preemption_disabled+0x48/0x280
[  634.374133]  run_timer_softirq+0x52/0xb0
[  634.378209]  ? rcu_read_lock_sched_held+0x14f/0x180
[  634.383223]  __do_softirq+0x308/0xb7e
[  634.387132]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  634.391632]  ? lock_downgrade+0x900/0x900
[  634.395784]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  634.400900]  ? pvclock_read_flags+0x160/0x160
[  634.405395]  ? lapic_next_event+0x5a/0x90
[  634.409544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.415084]  ? kvm_clock_read+0x18/0x30
[  634.419064]  ? kvm_sched_clock_read+0x9/0x20
[  634.423470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.429094]  ? check_preemption_disabled+0x48/0x280
[  634.434144]  irq_exit+0x17f/0x1c0
[  634.437592]  smp_apic_timer_interrupt+0x1cb/0x760
[  634.442432]  ? smp_reschedule_interrupt+0x109/0x650
[  634.447442]  ? smp_call_function_single_interrupt+0x650/0x650
[  634.453318]  ? interrupt_entry+0xb5/0xc0
[  634.457372]  ? trace_hardirqs_off_caller+0xbb/0x310
[  634.462381]  ? trace_hardirqs_off_caller+0xbb/0x310
[  634.467410]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  634.472247]  ? trace_hardirqs_on_caller+0x310/0x310
[  634.477256]  ? trace_hardirqs_on_caller+0x310/0x310
[  634.482270]  ? task_prio+0x50/0x50
[  634.485806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.491337]  ? check_preemption_disabled+0x48/0x280
[  634.496353]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  634.501217]  apic_timer_interrupt+0xf/0x20
[  634.505439]  </IRQ>
[  634.507676] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  634.512601] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  634.531686] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  634.539385] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  634.546647] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  634.553906] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  634.561170] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  634.568431] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  634.575738]  skb_clone+0x1bb/0x500
[  634.579275]  ? finish_task_switch+0x1b4/0x910
[  634.583768]  ? skb_split+0x11e0/0x11e0
[  634.587660]  ? preempt_notifier_register+0x200/0x200
[  634.592754]  ? __switch_to_asm+0x34/0x70
[  634.596895]  ? __switch_to_asm+0x34/0x70
[  634.600951]  ? __switch_to_asm+0x40/0x70
[  634.605005]  ? __switch_to_asm+0x34/0x70
[  634.609060]  ? __switch_to_asm+0x40/0x70
[  634.613119]  ? __switch_to_asm+0x34/0x70
[  634.617197]  ? __switch_to_asm+0x40/0x70
[  634.621425]  ? __switch_to_asm+0x34/0x70
[  634.625478]  ? __switch_to_asm+0x34/0x70
[  634.629535]  ? __switch_to_asm+0x40/0x70
[  634.633587]  ? __switch_to_asm+0x34/0x70
[  634.637673]  bpf_clone_redirect+0xb9/0x490
[  634.641907]  ? __schedule+0x8d7/0x21d0
[  634.645795]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  634.650810]  ? __sched_text_start+0x8/0x8
[  634.654969]  ? retint_kernel+0x2d/0x2d
[  634.659111]  ? find_held_lock+0x36/0x1c0
[  634.663180]  ? lock_acquire+0x1ed/0x520
[  634.667151]  ? bpf_test_run+0x3cb/0x780
[  634.671141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.676688]  ? check_preemption_disabled+0x48/0x280
[  634.681702]  ? kasan_check_read+0x11/0x20
[  634.685862]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  634.691224]  ? rcu_softirq_qs+0x20/0x20
[  634.695204]  ? preempt_schedule+0x4d/0x60
[  634.699349]  ? ___preempt_schedule+0x16/0x18
[  634.703764]  ? bpf_test_run+0x25d/0x780
[  634.707753]  ? netlink_diag_dump+0x2a0/0x2a0
[  634.712158]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  634.717692]  ? bpf_test_init.isra.10+0x70/0x100
[  634.722359]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  634.727208]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  634.732042]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  634.737577]  ? fput+0x130/0x1a0
[  634.740873]  ? __bpf_prog_get+0x9b/0x290
[  634.744938]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  634.749779]  ? bpf_prog_test_run+0x130/0x1a0
[  634.754187]  ? __x64_sys_bpf+0x3db/0x520
[  634.758242]  ? bpf_prog_get+0x20/0x20
[  634.762057]  ? do_syscall_64+0x1b9/0x820
[  634.766119]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  634.771568]  ? syscall_return_slowpath+0x5e0/0x5e0
[  634.776496]  ? trace_hardirqs_on_caller+0x310/0x310
[  634.781508]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  634.786550]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  634.793210]  ? __switch_to_asm+0x40/0x70
[  634.797266]  ? __switch_to_asm+0x34/0x70
[  634.801327]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  634.806172]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  634.811567] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  634.811683] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  634.818577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  634.818584] Call Trace:
[  634.825641] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  634.834870]  <IRQ>
[  634.837445] syz-executor5 cpuset=syz5 mems_allowed=0
[  634.847932]  dump_stack+0x244/0x39d
[  634.858755]  ? dump_stack_print_info.cold.1+0x20/0x20
[  634.863954]  warn_alloc.cold.116+0xb7/0x1bd
[  634.868277]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  634.873128]  ? lock_downgrade+0x900/0x900
[  634.877285]  ? trace_hardirqs_off+0xb8/0x310
[  634.881714]  ? trace_hardirqs_off+0xb8/0x310
[  634.886138]  __alloc_pages_slowpath+0x2651/0x2de0
[  634.891022]  ? warn_alloc+0x120/0x120
[  634.894819]  ? print_usage_bug+0xc0/0xc0
[  634.898879]  ? warn_alloc+0x120/0x120
[  634.902692]  ? warn_alloc+0x120/0x120
[  634.906490]  ? print_usage_bug+0xc0/0xc0
[  634.910551]  ? kvm_clock_read+0x18/0x30
[  634.914539]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  634.919555]  ? print_usage_bug+0xc0/0xc0
[  634.923615]  ? __lock_acquire+0x62f/0x4c20
[  634.927958]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  634.933615]  ? should_fail+0x22d/0xd01
[  634.937502]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  634.942781]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  634.947879]  ? __lock_acquire+0x62f/0x4c20
[  634.952122]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  634.957220]  ? __lock_acquire+0x62f/0x4c20
[  634.961456]  ? should_fail+0x22d/0xd01
[  634.965334]  ? rcu_irq_exit+0x1a2/0x390
[  634.969312]  ? mark_held_locks+0x130/0x130
[  634.973544]  ? mark_held_locks+0x130/0x130
[  634.977780]  ? mark_held_locks+0xc7/0x130
[  634.981929]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  634.986949]  ? zap_class+0x640/0x640
[  634.990692]  ? print_usage_bug+0xc0/0xc0
[  634.994761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.000295]  ? check_preemption_disabled+0x48/0x280
[  635.005319]  ? __lock_is_held+0xb5/0x140
[  635.009383]  __alloc_pages_nodemask+0xad8/0xea0
[  635.014050]  ? zap_class+0x640/0x640
[  635.017762]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  635.022785]  ? find_held_lock+0x36/0x1c0
[  635.026852]  ? ____cache_alloc_node+0x1c7/0x1e0
[  635.031516]  ? lock_downgrade+0x900/0x900
[  635.035664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.041201]  cache_grow_begin+0xa5/0x8c0
[  635.045261]  ? do_raw_spin_unlock+0xa7/0x330
[  635.049673]  fallback_alloc+0x204/0x2e0
[  635.053647]  ____cache_alloc_node+0x1c7/0x1e0
[  635.058147]  kmem_cache_alloc_node+0xe3/0x730
[  635.062641]  ? ipv6_get_ifaddr+0x42e/0x620
[  635.066882]  __alloc_skb+0x119/0x770
[  635.070594]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  635.075869]  ? netdev_alloc_frag+0x1f0/0x1f0
[  635.080273]  ? lock_downgrade+0x900/0x900
[  635.084427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.090047]  ? refcount_sub_and_test_checked+0x203/0x310
[  635.095510]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  635.100956]  ? addrconf_rs_timer+0x690/0x690
[  635.105370]  ndisc_alloc_skb+0x144/0x340
[  635.109433]  ndisc_send_rs+0x331/0x6e0
[  635.113429]  addrconf_rs_timer+0x314/0x690
[  635.117665]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  635.121902]  call_timer_fn+0x272/0x920
[  635.125786]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  635.130018]  ? process_timeout+0x40/0x40
[  635.134086]  ? mark_held_locks+0xc7/0x130
[  635.138234]  ? _raw_spin_unlock_irq+0x27/0x80
[  635.142723]  ? _raw_spin_unlock_irq+0x27/0x80
[  635.147211]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  635.151451]  ? lockdep_hardirqs_on+0x296/0x5b0
[  635.156030]  ? trace_hardirqs_on+0xbd/0x310
[  635.160346]  ? kasan_check_read+0x11/0x20
[  635.164487]  ? __run_timers+0x7da/0xc70
[  635.168461]  ? trace_hardirqs_off_caller+0x310/0x310
[  635.173568]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  635.177803]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  635.182033]  __run_timers+0x7e5/0xc70
[  635.185836]  ? timer_fixup_init+0x70/0x70
[  635.189981]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  635.194997]  ? zap_class+0x640/0x640
[  635.198714]  ? print_usage_bug+0xc0/0xc0
[  635.202777]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  635.207970]  ? find_held_lock+0x36/0x1c0
[  635.212030]  ? zap_class+0x640/0x640
[  635.215743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.221282]  ? check_preemption_disabled+0x48/0x280
[  635.226303]  ? __lock_is_held+0xb5/0x140
[  635.230446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.235981]  ? check_preemption_disabled+0x48/0x280
[  635.240994]  run_timer_softirq+0x52/0xb0
[  635.245052]  ? rcu_read_lock_sched_held+0x14f/0x180
[  635.250064]  __do_softirq+0x308/0xb7e
[  635.253870]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  635.258357]  ? lock_downgrade+0x900/0x900
[  635.262503]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  635.267604]  ? pvclock_read_flags+0x160/0x160
[  635.272103]  ? lapic_next_event+0x5a/0x90
[  635.276256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.281793]  ? kvm_clock_read+0x18/0x30
[  635.285769]  ? kvm_sched_clock_read+0x9/0x20
[  635.290192]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  635.295745]  ? check_preemption_disabled+0x48/0x280
[  635.300769]  irq_exit+0x17f/0x1c0
[  635.304221]  smp_apic_timer_interrupt+0x1cb/0x760
[  635.309062]  ? smp_reschedule_interrupt+0x109/0x650
[  635.314082]  ? smp_call_function_single_interrupt+0x650/0x650
[  635.319972]  ? interrupt_entry+0xb5/0xc0
[  635.324033]  ? trace_hardirqs_off_caller+0xbb/0x310
[  635.329061]  ? trace_hardirqs_off_caller+0xbb/0x310
[  635.334081]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  635.338933]  ? trace_hardirqs_on_caller+0x310/0x310
[  635.343945]  ? trace_hardirqs_on_caller+0x310/0x310
[  635.348955]  ? task_prio+0x50/0x50
[  635.352496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.358032]  ? check_preemption_disabled+0x48/0x280
[  635.363049]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  635.367899]  apic_timer_interrupt+0xf/0x20
[  635.372142]  </IRQ>
[  635.374379] RIP: 0010:dump_stack+0x358/0x39d
[  635.378796] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  635.397691] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  635.405395] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  635.412676] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  635.419944] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  635.427208] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  635.434488] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  635.441768]  ? dump_stack+0x34f/0x39d
[  635.445583]  ? dump_stack_print_info.cold.1+0x20/0x20
[  635.450774]  ? mark_held_locks+0x130/0x130
[  635.455010]  ? mark_held_locks+0x130/0x130
[  635.459245]  dump_header+0x27b/0xf72
[  635.462966]  ? pagefault_out_of_memory+0x197/0x197
[  635.467898]  ? __lock_acquire+0x62f/0x4c20
[  635.472133]  ? percpu_ref_get_many+0x240/0x240
[  635.476714]  ? print_usage_bug+0xc0/0xc0
[  635.480779]  ? zap_class+0x640/0x640
[  635.484496]  ? print_usage_bug+0xc0/0xc0
[  635.488550]  ? print_usage_bug+0xc0/0xc0
[  635.492612]  ? zap_class+0x640/0x640
[  635.496325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.501877]  ? find_held_lock+0x36/0x1c0
[  635.505944]  ? mark_held_locks+0xc7/0x130
[  635.510098]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  635.515201]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  635.520305]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  635.524882]  ? trace_hardirqs_on+0xbd/0x310
[  635.529220]  ? kasan_check_read+0x11/0x20
[  635.533363]  ? ___ratelimit+0x3b4/0x672
[  635.537334]  ? trace_hardirqs_off_caller+0x310/0x310
[  635.542432]  ? trace_hardirqs_on+0x310/0x310
[  635.546835]  ? lock_downgrade+0x900/0x900
[  635.550983]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  635.556082]  ? ___ratelimit+0x3b9/0x672
[  635.560064]  ? idr_get_free+0xf70/0xf70
[  635.564038]  ? find_held_lock+0x36/0x1c0
[  635.568110]  oom_kill_process.cold.27+0x10/0x903
[  635.572868]  ? zap_class+0x640/0x640
[  635.576582]  ? check_preemption_disabled+0x48/0x280
[  635.581596]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  635.586536]  ? kasan_check_read+0x11/0x20
[  635.590679]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  635.595952]  ? oom_evaluate_task+0x540/0x540
[  635.600363]  ? find_held_lock+0x36/0x1c0
[  635.604428]  ? out_of_memory+0x974/0x1430
[  635.608571]  ? lock_downgrade+0x900/0x900
[  635.612723]  ? check_preemption_disabled+0x48/0x280
[  635.617735]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  635.622661]  ? kasan_check_read+0x11/0x20
[  635.626808]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  635.632079]  ? rcu_softirq_qs+0x20/0x20
[  635.636068]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  635.641605]  ? oom_evaluate_task+0x302/0x540
[  635.646035]  out_of_memory+0xa84/0x1430
[  635.650027]  ? oom_killer_disable+0x3a0/0x3a0
[  635.654521]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  635.659472]  ? __ww_mutex_check_waiters+0x160/0x160
[  635.665190]  __alloc_pages_slowpath+0x232c/0x2de0
[  635.670070]  ? warn_alloc+0x120/0x120
[  635.673872]  ? mark_held_locks+0x130/0x130
[  635.678115]  ? find_get_entry+0xaae/0x1120
[  635.682361]  ? filemap_map_pages+0x1a20/0x1a20
[  635.686944]  ? zap_class+0x640/0x640
[  635.690655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.696186]  ? check_preemption_disabled+0x48/0x280
[  635.701213]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  635.706747]  ? should_fail+0x22d/0xd01
[  635.710637]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  635.715736]  ? zap_class+0x640/0x640
[  635.719469]  ? __lock_is_held+0xb5/0x140
[  635.723532]  ? mark_held_locks+0x130/0x130
[  635.727780]  ? lock_release+0xa00/0xa00
[  635.731751]  ? perf_trace_sched_process_exec+0x860/0x860
[  635.737194]  ? xa_load+0x2ba/0x460
[  635.740742]  ? lock_downgrade+0x900/0x900
[  635.744892]  ? __might_sleep+0x95/0x190
[  635.748867]  __alloc_pages_nodemask+0xad8/0xea0
[  635.753537]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  635.758549]  ? __page_cache_alloc+0x191/0x5c0
[  635.763035]  ? xa_load+0x2e1/0x460
[  635.766571]  ? xa_clear_mark+0x40/0x40
[  635.770455]  ? zap_class+0x640/0x640
[  635.774202]  ? zap_class+0x640/0x640
[  635.777939]  ? zap_class+0x640/0x640
[  635.781649]  ? zap_class+0x640/0x640
[  635.785370]  ? __do_page_cache_readahead+0x663/0x810
[  635.790559]  ? find_held_lock+0x36/0x1c0
[  635.794620]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  635.800161]  alloc_pages_current+0x173/0x350
[  635.804579]  __page_cache_alloc+0x38c/0x5c0
[  635.808894]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  635.813819]  ? kasan_check_read+0x11/0x20
[  635.817966]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  635.823239]  ? generic_perform_write+0x6a0/0x6a0
[  635.827989]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  635.833520]  ? check_preemption_disabled+0x48/0x280
[  635.838534]  filemap_fault+0x1595/0x25f0
[  635.842598]  ? __lock_page_or_retry+0xa00/0xa00
[  635.847263]  ? mark_held_locks+0x130/0x130
[  635.851502]  ? filemap_map_pages+0xd6b/0x1a20
[  635.855995]  ? lock_downgrade+0x900/0x900
[  635.860164]  ? check_preemption_disabled+0x48/0x280
[  635.865176]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  635.870121]  ? kasan_check_read+0x11/0x20
[  635.874260]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  635.879534]  ? rcu_softirq_qs+0x20/0x20
[  635.883533]  ? filemap_map_pages+0xd92/0x1a20
[  635.888043]  ? queue_work_on+0x12c/0x1e0
[  635.892132]  ? find_get_entries_tag+0x1400/0x1400
[  635.896976]  ? debug_object_destroy+0x2b0/0x2b0
[  635.901642]  ? lock_pi_update_atomic+0x150/0x150
[  635.906396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.911954]  ? lock_acquire+0x1ed/0x520
[  635.915924]  ? ext4_filemap_fault+0x7a/0xad
[  635.920252]  ? lock_release+0xa00/0xa00
[  635.924307]  ? perf_trace_sched_process_exec+0x860/0x860
[  635.929943]  ? print_usage_bug+0xc0/0xc0
[  635.934117]  ? print_usage_bug+0xc0/0xc0
[  635.938188]  ? down_read+0x8d/0x120
[  635.941807]  ? ext4_filemap_fault+0x7a/0xad
[  635.946128]  ? __down_interruptible+0x700/0x700
[  635.950801]  ext4_filemap_fault+0x82/0xad
[  635.954950]  __do_fault+0x100/0x6b0
[  635.958574]  ? find_held_lock+0x36/0x1c0
[  635.962661]  ? pmd_devmap_trans_unstable+0x220/0x220
[  635.967764]  ? mark_held_locks+0x130/0x130
[  635.971999]  ? mark_held_locks+0x130/0x130
[  635.976237]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  635.981774]  __handle_mm_fault+0x3ea0/0x5be0
[  635.986178]  ? perf_trace_lock+0x7a0/0x7a0
[  635.990415]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  635.995260]  ? __switch_to_asm+0x34/0x70
[  635.999331]  ? __switch_to_asm+0x34/0x70
[  636.003396]  ? zap_class+0x640/0x640
[  636.007121]  ? zap_class+0x640/0x640
[  636.010830]  ? __x64_sys_futex+0x53e/0x6a0
[  636.015063]  ? find_held_lock+0x36/0x1c0
[  636.019139]  ? handle_mm_fault+0x42a/0xc70
[  636.023370]  ? lock_downgrade+0x900/0x900
[  636.027510]  ? check_preemption_disabled+0x48/0x280
[  636.032523]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  636.037467]  ? kasan_check_read+0x11/0x20
[  636.041610]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  636.046899]  ? rcu_softirq_qs+0x20/0x20
[  636.050873]  ? trace_hardirqs_off_caller+0x310/0x310
[  636.055972]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  636.061521]  ? check_preemption_disabled+0x48/0x280
[  636.066538]  handle_mm_fault+0x54f/0xc70
[  636.070774]  ? __handle_mm_fault+0x5be0/0x5be0
[  636.075360]  ? find_vma+0x34/0x190
[  636.078904]  __do_page_fault+0x5e8/0xe60
[  636.082977]  ? trace_hardirqs_off+0xb8/0x310
[  636.087389]  do_page_fault+0xf2/0x7e0
[  636.091185]  ? vmalloc_sync_all+0x30/0x30
[  636.095332]  ? error_entry+0x70/0xd0
[  636.099040]  ? trace_hardirqs_off_caller+0xbb/0x310
[  636.104052]  ? trace_hardirqs_on_caller+0xc0/0x310
[  636.108991]  ? syscall_return_slowpath+0x5e0/0x5e0
[  636.113917]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  636.118761]  ? trace_hardirqs_on_caller+0x310/0x310
[  636.123789]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  636.129238]  ? prepare_exit_to_usermode+0x291/0x3b0
[  636.134252]  ? page_fault+0x8/0x30
[  636.137800]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  636.142642]  ? page_fault+0x8/0x30
[  636.146180]  page_fault+0x1e/0x30
[  636.149641] RIP: 0033:0x40f9c0
[  636.152852] Code: Bad RIP value.
[  636.156209] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  636.161568] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  636.168841] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  636.176103] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  636.183377] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  636.190639] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  636.197927] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  636.197932] warn_alloc_show_mem: 1 callbacks suppressed
[  636.197938] Mem-Info:
[  636.205204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  636.205211] Call Trace:
[  636.210596] active_anon:54071 inactive_anon:192 isolated_anon:0
[  636.210596]  active_file:13 inactive_file:14 isolated_file:0
[  636.210596]  unevictable:0 dirty:0 writeback:0 unstable:0
[  636.210596]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  636.210596]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  636.210596]  free:13779 free_pcp:228 free_cma:0
[  636.212963]  <IRQ>
[  636.222335] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  636.224923]  dump_stack+0x244/0x39d
[  636.257766] 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
[  636.259909]  ? dump_stack_print_info.cold.1+0x20/0x20
[  636.287372] lowmem_reserve[]: 0 2818 6321 6321
[  636.291023]  warn_alloc.cold.116+0xb7/0x1bd
[  636.317095] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  636.322275]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  636.326836] lowmem_reserve[]: 0 0 3503 3503
[  636.331157]  ? lock_downgrade+0x900/0x900
[  636.358622] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  636.363460]  ? trace_hardirqs_off+0xb8/0x310
[  636.367742] lowmem_reserve[]: 0 0 0 0
[  636.371886]  ? trace_hardirqs_off+0xb8/0x310
[  636.400755] 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
[  636.405178]  __alloc_pages_slowpath+0x2651/0x2de0
[  636.408947] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  636.413370]  ? warn_alloc+0x120/0x120
[  636.426844] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  636.431676]  ? print_usage_bug+0xc0/0xc0
[  636.447518] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  636.451296]  ? warn_alloc+0x120/0x120
[  636.466908] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  636.471036]  ? warn_alloc+0x120/0x120
[  636.479843] 271 total pagecache pages
[  636.483632]  ? print_usage_bug+0xc0/0xc0
[  636.492190] 0 pages in swap cache
[  636.495971]  ? kvm_clock_read+0x18/0x30
[  636.499743] Swap cache stats: add 0, delete 0, find 0/0
[  636.503790]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  636.507213] Free swap  = 0kB
[  636.511174]  ? print_usage_bug+0xc0/0xc0
[  636.516505] Total swap = 0kB
[  636.521526]  ? __lock_acquire+0x62f/0x4c20
[  636.524519] 1965979 pages RAM
[  636.528571]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  636.531557] 0 pages HighMem/MovableOnly
[  636.535777]  ? should_fail+0x22d/0xd01
[  636.538855] 342854 pages reserved
[  636.544399]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  636.544415]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  636.548383] 0 pages cma reserved
[  636.552257]  ? __lock_acquire+0x62f/0x4c20
[  636.555744] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  636.560941]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  636.566109] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  636.569384]  ? __lock_acquire+0x62f/0x4c20
[  636.573588] syz-fuzzer cpuset=/ mems_allowed=0
[  636.580074]  ? should_fail+0x22d/0xd01
[  636.580087]  ? rcu_irq_exit+0x1a2/0x390
[  636.612116]  ? mark_held_locks+0x130/0x130
[  636.616349]  ? mark_held_locks+0x130/0x130
[  636.620584]  ? mark_held_locks+0xc7/0x130
[  636.624731]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  636.629743]  ? zap_class+0x640/0x640
[  636.633452]  ? print_usage_bug+0xc0/0xc0
[  636.637511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.643049]  ? check_preemption_disabled+0x48/0x280
[  636.648080]  ? __lock_is_held+0xb5/0x140
[  636.652141]  __alloc_pages_nodemask+0xad8/0xea0
[  636.657098]  ? zap_class+0x640/0x640
[  636.660813]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  636.665832]  ? find_held_lock+0x36/0x1c0
[  636.669901]  ? ____cache_alloc_node+0x1c7/0x1e0
[  636.674566]  ? lock_downgrade+0x900/0x900
[  636.678720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.684261]  cache_grow_begin+0xa5/0x8c0
[  636.688330]  ? do_raw_spin_unlock+0xa7/0x330
[  636.692737]  fallback_alloc+0x204/0x2e0
[  636.696725]  ____cache_alloc_node+0x1c7/0x1e0
[  636.701218]  kmem_cache_alloc_node+0xe3/0x730
[  636.705711]  ? ipv6_get_ifaddr+0x42e/0x620
[  636.709954]  __alloc_skb+0x119/0x770
[  636.713662]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  636.718935]  ? netdev_alloc_frag+0x1f0/0x1f0
[  636.723352]  ? lock_downgrade+0x900/0x900
[  636.727514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.733051]  ? refcount_sub_and_test_checked+0x203/0x310
[  636.738508]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  636.743956]  ? addrconf_rs_timer+0x690/0x690
[  636.748373]  ndisc_alloc_skb+0x144/0x340
[  636.752447]  ndisc_send_rs+0x331/0x6e0
[  636.756330]  addrconf_rs_timer+0x314/0x690
[  636.760562]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  636.764804]  call_timer_fn+0x272/0x920
[  636.768694]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  636.772923]  ? process_timeout+0x40/0x40
[  636.776984]  ? __run_timers+0x7da/0xc70
[  636.781045]  ? _raw_spin_unlock_irq+0x27/0x80
[  636.785542]  ? _raw_spin_unlock_irq+0x27/0x80
[  636.790033]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  636.794276]  ? lockdep_hardirqs_on+0x296/0x5b0
[  636.798858]  ? trace_hardirqs_on+0xbd/0x310
[  636.803174]  ? kasan_check_read+0x11/0x20
[  636.807316]  ? __run_timers+0x7da/0xc70
[  636.811288]  ? trace_hardirqs_off_caller+0x310/0x310
[  636.816397]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  636.820634]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  636.825413]  __run_timers+0x7e5/0xc70
[  636.829221]  ? timer_fixup_init+0x70/0x70
[  636.833366]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  636.838376]  ? zap_class+0x640/0x640
[  636.842106]  ? enqueue_hrtimer+0x1a5/0x560
[  636.846341]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  636.851533]  ? find_held_lock+0x36/0x1c0
[  636.855603]  ? zap_class+0x640/0x640
[  636.859316]  ? pvclock_read_flags+0x160/0x160
[  636.863813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.869347]  ? check_preemption_disabled+0x48/0x280
[  636.874368]  ? __lock_is_held+0xb5/0x140
[  636.878426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.883958]  ? check_preemption_disabled+0x48/0x280
[  636.888974]  run_timer_softirq+0x52/0xb0
[  636.893033]  ? rcu_read_lock_sched_held+0x14f/0x180
[  636.898080]  __do_softirq+0x308/0xb7e
[  636.901895]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  636.906384]  ? lock_downgrade+0x900/0x900
[  636.910535]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  636.915640]  ? pvclock_read_flags+0x160/0x160
[  636.920132]  ? lapic_next_event+0x5a/0x90
[  636.924277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.929816]  ? kvm_clock_read+0x18/0x30
[  636.933786]  ? kvm_sched_clock_read+0x9/0x20
[  636.938193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.943740]  ? check_preemption_disabled+0x48/0x280
[  636.948760]  irq_exit+0x17f/0x1c0
[  636.952212]  smp_apic_timer_interrupt+0x1cb/0x760
[  636.957059]  ? smp_reschedule_interrupt+0x109/0x650
[  636.962078]  ? smp_call_function_single_interrupt+0x650/0x650
[  636.967962]  ? interrupt_entry+0xb5/0xc0
[  636.972067]  ? trace_hardirqs_off_caller+0xbb/0x310
[  636.977087]  ? trace_hardirqs_off_caller+0xbb/0x310
[  636.982104]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  636.986943]  ? trace_hardirqs_on_caller+0x310/0x310
[  636.991956]  ? trace_hardirqs_on_caller+0x310/0x310
[  636.996967]  ? task_prio+0x50/0x50
[  637.000506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.006037]  ? check_preemption_disabled+0x48/0x280
[  637.012016]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  637.016858]  apic_timer_interrupt+0xf/0x20
[  637.021082]  </IRQ>
[  637.023319] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  637.028292] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  637.047190] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  637.054893] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  637.062154] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  637.069414] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  637.076678] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  637.083954] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  637.091271]  skb_clone+0x1bb/0x500
[  637.094802]  ? finish_task_switch+0x1b4/0x910
[  637.099301]  ? skb_split+0x11e0/0x11e0
[  637.103204]  ? preempt_notifier_register+0x200/0x200
[  637.108320]  ? __switch_to_asm+0x34/0x70
[  637.112377]  ? __switch_to_asm+0x34/0x70
[  637.116429]  ? __switch_to_asm+0x40/0x70
[  637.120494]  ? __switch_to_asm+0x34/0x70
[  637.124547]  ? __switch_to_asm+0x40/0x70
[  637.128607]  ? __switch_to_asm+0x34/0x70
[  637.132662]  ? __switch_to_asm+0x40/0x70
[  637.136714]  ? __switch_to_asm+0x34/0x70
[  637.140765]  ? __switch_to_asm+0x34/0x70
[  637.144816]  ? __switch_to_asm+0x40/0x70
[  637.148869]  ? __switch_to_asm+0x34/0x70
[  637.152935]  bpf_clone_redirect+0xb9/0x490
[  637.157162]  ? __schedule+0x8d7/0x21d0
[  637.161060]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  637.166078]  ? __sched_text_start+0x8/0x8
[  637.170223]  ? retint_kernel+0x2d/0x2d
[  637.174115]  ? find_held_lock+0x36/0x1c0
[  637.178180]  ? lock_acquire+0x1ed/0x520
[  637.182163]  ? bpf_test_run+0x3cb/0x780
[  637.186151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.191685]  ? check_preemption_disabled+0x48/0x280
[  637.196788]  ? kasan_check_read+0x11/0x20
[  637.201016]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  637.206293]  ? rcu_softirq_qs+0x20/0x20
[  637.210264]  ? preempt_schedule+0x4d/0x60
[  637.214412]  ? ___preempt_schedule+0x16/0x18
[  637.218824]  ? bpf_test_run+0x25d/0x780
[  637.222807]  ? netlink_diag_dump+0x2a0/0x2a0
[  637.227228]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  637.232761]  ? bpf_test_init.isra.10+0x70/0x100
[  637.237430]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  637.242191]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  637.247029]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  637.252576]  ? fput+0x130/0x1a0
[  637.255862]  ? __bpf_prog_get+0x9b/0x290
[  637.259923]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  637.264761]  ? bpf_prog_test_run+0x130/0x1a0
[  637.269167]  ? __x64_sys_bpf+0x3db/0x520
[  637.273228]  ? bpf_prog_get+0x20/0x20
[  637.277057]  ? do_syscall_64+0x1b9/0x820
[  637.281130]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  637.286492]  ? syscall_return_slowpath+0x5e0/0x5e0
[  637.291445]  ? trace_hardirqs_on_caller+0x310/0x310
[  637.296453]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  637.301465]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  637.308125]  ? __switch_to_asm+0x40/0x70
[  637.312182]  ? __switch_to_asm+0x34/0x70
[  637.316243]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  637.321087]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  637.326463] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  637.326547] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  637.333478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  637.333483] Call Trace:
[  637.333489]  <IRQ>
[  637.333507]  dump_stack+0x244/0x39d
[  637.333526]  ? dump_stack_print_info.cold.1+0x20/0x20
[  637.340051] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  637.349342]  warn_alloc.cold.116+0xb7/0x1bd
[  637.351892] syz-executor5 cpuset=syz5 mems_allowed=0
[  637.354030]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  637.387527]  ? lock_downgrade+0x900/0x900
[  637.391677]  ? trace_hardirqs_off+0xb8/0x310
[  637.396096]  ? trace_hardirqs_off+0xb8/0x310
[  637.400510]  __alloc_pages_slowpath+0x2651/0x2de0
[  637.405457]  ? warn_alloc+0x120/0x120
[  637.409252]  ? print_usage_bug+0xc0/0xc0
[  637.413307]  ? warn_alloc+0x120/0x120
[  637.417109]  ? warn_alloc+0x120/0x120
[  637.420916]  ? print_usage_bug+0xc0/0xc0
[  637.424973]  ? kvm_clock_read+0x18/0x30
[  637.428943]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  637.433954]  ? print_usage_bug+0xc0/0xc0
[  637.438011]  ? __lock_acquire+0x62f/0x4c20
[  637.442248]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  637.447785]  ? should_fail+0x22d/0xd01
[  637.451669]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  637.456948]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  637.462060]  ? __lock_acquire+0x62f/0x4c20
[  637.466322]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  637.471421]  ? __lock_acquire+0x62f/0x4c20
[  637.475651]  ? should_fail+0x22d/0xd01
[  637.479529]  ? rcu_irq_exit+0x1a2/0x390
[  637.483503]  ? mark_held_locks+0x130/0x130
[  637.487749]  ? mark_held_locks+0x130/0x130
[  637.491988]  ? mark_held_locks+0xc7/0x130
[  637.496132]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  637.501142]  ? zap_class+0x640/0x640
[  637.504849]  ? print_usage_bug+0xc0/0xc0
[  637.508908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.514456]  ? check_preemption_disabled+0x48/0x280
[  637.519471]  ? __lock_is_held+0xb5/0x140
[  637.523530]  __alloc_pages_nodemask+0xad8/0xea0
[  637.528188]  ? zap_class+0x640/0x640
[  637.531901]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  637.536922]  ? find_held_lock+0x36/0x1c0
[  637.540998]  ? ____cache_alloc_node+0x1c7/0x1e0
[  637.545659]  ? lock_downgrade+0x900/0x900
[  637.549808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.555346]  cache_grow_begin+0xa5/0x8c0
[  637.559399]  ? do_raw_spin_unlock+0xa7/0x330
[  637.563805]  fallback_alloc+0x204/0x2e0
[  637.567777]  ____cache_alloc_node+0x1c7/0x1e0
[  637.572270]  kmem_cache_alloc_node+0xe3/0x730
[  637.576761]  ? ipv6_get_ifaddr+0x42e/0x620
[  637.581006]  __alloc_skb+0x119/0x770
[  637.584710]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  637.589994]  ? netdev_alloc_frag+0x1f0/0x1f0
[  637.594421]  ? lock_downgrade+0x900/0x900
[  637.598570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.604109]  ? refcount_sub_and_test_checked+0x203/0x310
[  637.609574]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  637.615021]  ? addrconf_rs_timer+0x690/0x690
[  637.619459]  ndisc_alloc_skb+0x144/0x340
[  637.623520]  ndisc_send_rs+0x331/0x6e0
[  637.627424]  addrconf_rs_timer+0x314/0x690
[  637.631690]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  637.635932]  call_timer_fn+0x272/0x920
[  637.639813]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  637.644151]  ? process_timeout+0x40/0x40
[  637.648220]  ? mark_held_locks+0xc7/0x130
[  637.652381]  ? _raw_spin_unlock_irq+0x27/0x80
[  637.656872]  ? _raw_spin_unlock_irq+0x27/0x80
[  637.661380]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  637.665609]  ? lockdep_hardirqs_on+0x296/0x5b0
[  637.670196]  ? trace_hardirqs_on+0xbd/0x310
[  637.674508]  ? kasan_check_read+0x11/0x20
[  637.678647]  ? __run_timers+0x7da/0xc70
[  637.682629]  ? trace_hardirqs_off_caller+0x310/0x310
[  637.687813]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  637.692050]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  637.696280]  __run_timers+0x7e5/0xc70
[  637.700086]  ? timer_fixup_init+0x70/0x70
[  637.704230]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  637.709241]  ? zap_class+0x640/0x640
[  637.712955]  ? print_usage_bug+0xc0/0xc0
[  637.717011]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  637.722309]  ? find_held_lock+0x36/0x1c0
[  637.726400]  ? zap_class+0x640/0x640
[  637.730206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.735740]  ? check_preemption_disabled+0x48/0x280
[  637.740771]  ? __lock_is_held+0xb5/0x140
[  637.744827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.750360]  ? check_preemption_disabled+0x48/0x280
[  637.755460]  run_timer_softirq+0x52/0xb0
[  637.759523]  ? rcu_read_lock_sched_held+0x14f/0x180
[  637.764651]  __do_softirq+0x308/0xb7e
[  637.768471]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  637.772963]  ? lock_downgrade+0x900/0x900
[  637.777108]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  637.782317]  ? pvclock_read_flags+0x160/0x160
[  637.786808]  ? lapic_next_event+0x5a/0x90
[  637.790953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.796490]  ? kvm_clock_read+0x18/0x30
[  637.800455]  ? kvm_sched_clock_read+0x9/0x20
[  637.804857]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  637.810387]  ? check_preemption_disabled+0x48/0x280
[  637.815410]  irq_exit+0x17f/0x1c0
[  637.818957]  smp_apic_timer_interrupt+0x1cb/0x760
[  637.823794]  ? smp_reschedule_interrupt+0x109/0x650
[  637.828799]  ? smp_call_function_single_interrupt+0x650/0x650
[  637.834808]  ? interrupt_entry+0xb5/0xc0
[  637.838868]  ? trace_hardirqs_off_caller+0xbb/0x310
[  637.843879]  ? trace_hardirqs_off_caller+0xbb/0x310
[  637.848890]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  637.853733]  ? trace_hardirqs_on_caller+0x310/0x310
[  637.858743]  ? trace_hardirqs_on_caller+0x310/0x310
[  637.863769]  ? task_prio+0x50/0x50
[  637.867307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.872840]  ? check_preemption_disabled+0x48/0x280
[  637.877854]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  637.882698]  apic_timer_interrupt+0xf/0x20
[  637.886934]  </IRQ>
[  637.889172] RIP: 0010:dump_stack+0x358/0x39d
[  637.893580] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  637.912478] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  637.920178] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  637.927441] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  637.934703] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  637.941965] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  637.949226] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  637.956524]  ? dump_stack+0x34f/0x39d
[  637.960364]  ? dump_stack_print_info.cold.1+0x20/0x20
[  637.965554]  ? mark_held_locks+0x130/0x130
[  637.969787]  ? mark_held_locks+0x130/0x130
[  637.974020]  dump_header+0x27b/0xf72
[  637.977748]  ? pagefault_out_of_memory+0x197/0x197
[  637.982681]  ? __lock_acquire+0x62f/0x4c20
[  637.986913]  ? percpu_ref_get_many+0x240/0x240
[  637.991493]  ? print_usage_bug+0xc0/0xc0
[  637.995556]  ? zap_class+0x640/0x640
[  637.999269]  ? print_usage_bug+0xc0/0xc0
[  638.003321]  ? print_usage_bug+0xc0/0xc0
[  638.007376]  ? zap_class+0x640/0x640
[  638.011090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.016626]  ? find_held_lock+0x36/0x1c0
[  638.020689]  ? mark_held_locks+0xc7/0x130
[  638.024837]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  638.029935]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  638.035041]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  638.039623]  ? trace_hardirqs_on+0xbd/0x310
[  638.043946]  ? kasan_check_read+0x11/0x20
[  638.048113]  ? ___ratelimit+0x3b4/0x672
[  638.052090]  ? trace_hardirqs_off_caller+0x310/0x310
[  638.057206]  ? trace_hardirqs_on+0x310/0x310
[  638.061612]  ? lock_downgrade+0x900/0x900
[  638.065763]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  638.070878]  ? ___ratelimit+0x3b9/0x672
[  638.074858]  ? idr_get_free+0xf70/0xf70
[  638.078826]  ? find_held_lock+0x36/0x1c0
[  638.082889]  oom_kill_process.cold.27+0x10/0x903
[  638.087639]  ? zap_class+0x640/0x640
[  638.091350]  ? check_preemption_disabled+0x48/0x280
[  638.096368]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  638.101292]  ? kasan_check_read+0x11/0x20
[  638.105434]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  638.110706]  ? oom_evaluate_task+0x540/0x540
[  638.115116]  ? find_held_lock+0x36/0x1c0
[  638.119181]  ? out_of_memory+0x974/0x1430
[  638.123326]  ? lock_downgrade+0x900/0x900
[  638.127488]  ? check_preemption_disabled+0x48/0x280
[  638.132508]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  638.137435]  ? kasan_check_read+0x11/0x20
[  638.141576]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  638.146848]  ? rcu_softirq_qs+0x20/0x20
[  638.150822]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  638.156354]  ? oom_evaluate_task+0x302/0x540
[  638.160764]  out_of_memory+0xa84/0x1430
[  638.164743]  ? oom_killer_disable+0x3a0/0x3a0
[  638.169235]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  638.174174]  ? __ww_mutex_check_waiters+0x160/0x160
[  638.179192]  __alloc_pages_slowpath+0x232c/0x2de0
[  638.184064]  ? warn_alloc+0x120/0x120
[  638.187860]  ? mark_held_locks+0x130/0x130
[  638.192098]  ? find_get_entry+0xaae/0x1120
[  638.196339]  ? filemap_map_pages+0x1a20/0x1a20
[  638.200920]  ? zap_class+0x640/0x640
[  638.204650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.210189]  ? check_preemption_disabled+0x48/0x280
[  638.215202]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  638.220737]  ? should_fail+0x22d/0xd01
[  638.224624]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  638.229727]  ? zap_class+0x640/0x640
[  638.233455]  ? __lock_is_held+0xb5/0x140
[  638.237518]  ? mark_held_locks+0x130/0x130
[  638.241750]  ? lock_release+0xa00/0xa00
[  638.245746]  ? perf_trace_sched_process_exec+0x860/0x860
[  638.251191]  ? xa_load+0x2ba/0x460
[  638.254729]  ? lock_downgrade+0x900/0x900
[  638.258879]  ? __might_sleep+0x95/0x190
[  638.262898]  __alloc_pages_nodemask+0xad8/0xea0
[  638.267570]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  638.272584]  ? __page_cache_alloc+0x191/0x5c0
[  638.277092]  ? xa_load+0x2e1/0x460
[  638.280634]  ? xa_clear_mark+0x40/0x40
[  638.284514]  ? zap_class+0x640/0x640
[  638.288229]  ? zap_class+0x640/0x640
[  638.291952]  ? zap_class+0x640/0x640
[  638.295677]  ? zap_class+0x640/0x640
[  638.299385]  ? __do_page_cache_readahead+0x663/0x810
[  638.304493]  ? find_held_lock+0x36/0x1c0
[  638.308555]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  638.314104]  alloc_pages_current+0x173/0x350
[  638.318516]  __page_cache_alloc+0x38c/0x5c0
[  638.322830]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  638.327757]  ? kasan_check_read+0x11/0x20
[  638.331987]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  638.337350]  ? generic_perform_write+0x6a0/0x6a0
[  638.342107]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  638.347987]  ? check_preemption_disabled+0x48/0x280
[  638.353007]  filemap_fault+0x1595/0x25f0
[  638.357084]  ? __lock_page_or_retry+0xa00/0xa00
[  638.361750]  ? mark_held_locks+0x130/0x130
[  638.365988]  ? filemap_map_pages+0xd6b/0x1a20
[  638.370485]  ? lock_downgrade+0x900/0x900
[  638.374626]  ? check_preemption_disabled+0x48/0x280
[  638.379638]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  638.384564]  ? kasan_check_read+0x11/0x20
[  638.388706]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  638.393987]  ? rcu_softirq_qs+0x20/0x20
[  638.397968]  ? filemap_map_pages+0xd92/0x1a20
[  638.402459]  ? queue_work_on+0x12c/0x1e0
[  638.406532]  ? find_get_entries_tag+0x1400/0x1400
[  638.411475]  ? debug_object_destroy+0x2b0/0x2b0
[  638.416142]  ? lock_pi_update_atomic+0x150/0x150
[  638.420893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.426437]  ? lock_acquire+0x1ed/0x520
[  638.430412]  ? ext4_filemap_fault+0x7a/0xad
[  638.434732]  ? lock_release+0xa00/0xa00
[  638.438702]  ? perf_trace_sched_process_exec+0x860/0x860
[  638.444151]  ? print_usage_bug+0xc0/0xc0
[  638.448210]  ? print_usage_bug+0xc0/0xc0
[  638.452278]  ? down_read+0x8d/0x120
[  638.455898]  ? ext4_filemap_fault+0x7a/0xad
[  638.460235]  ? __down_interruptible+0x700/0x700
[  638.464907]  ext4_filemap_fault+0x82/0xad
[  638.469056]  __do_fault+0x100/0x6b0
[  638.472682]  ? find_held_lock+0x36/0x1c0
[  638.476739]  ? pmd_devmap_trans_unstable+0x220/0x220
[  638.481841]  ? mark_held_locks+0x130/0x130
[  638.486078]  ? mark_held_locks+0x130/0x130
[  638.490329]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  638.495867]  __handle_mm_fault+0x3ea0/0x5be0
[  638.500272]  ? perf_trace_lock+0x7a0/0x7a0
[  638.504506]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  638.509343]  ? __switch_to_asm+0x34/0x70
[  638.513394]  ? __switch_to_asm+0x34/0x70
[  638.517464]  ? zap_class+0x640/0x640
[  638.521169]  ? zap_class+0x640/0x640
[  638.524890]  ? __x64_sys_futex+0x53e/0x6a0
[  638.529121]  ? find_held_lock+0x36/0x1c0
[  638.533210]  ? handle_mm_fault+0x42a/0xc70
[  638.537466]  ? lock_downgrade+0x900/0x900
[  638.541620]  ? check_preemption_disabled+0x48/0x280
[  638.546631]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  638.551556]  ? kasan_check_read+0x11/0x20
[  638.555695]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  638.560964]  ? rcu_softirq_qs+0x20/0x20
[  638.564934]  ? trace_hardirqs_off_caller+0x310/0x310
[  638.570040]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  638.575603]  ? check_preemption_disabled+0x48/0x280
[  638.580619]  handle_mm_fault+0x54f/0xc70
[  638.584677]  ? __handle_mm_fault+0x5be0/0x5be0
[  638.589262]  ? find_vma+0x34/0x190
[  638.592801]  __do_page_fault+0x5e8/0xe60
[  638.596868]  ? trace_hardirqs_off+0xb8/0x310
[  638.601301]  do_page_fault+0xf2/0x7e0
[  638.605104]  ? vmalloc_sync_all+0x30/0x30
[  638.609245]  ? error_entry+0x70/0xd0
[  638.612955]  ? trace_hardirqs_off_caller+0xbb/0x310
[  638.617969]  ? trace_hardirqs_on_caller+0xc0/0x310
[  638.622894]  ? syscall_return_slowpath+0x5e0/0x5e0
[  638.627833]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  638.632669]  ? trace_hardirqs_on_caller+0x310/0x310
[  638.637676]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  638.643128]  ? prepare_exit_to_usermode+0x291/0x3b0
[  638.648136]  ? page_fault+0x8/0x30
[  638.651673]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  638.657123]  ? page_fault+0x8/0x30
[  638.660660]  page_fault+0x1e/0x30
[  638.664119] RIP: 0033:0x40f9c0
[  638.667321] Code: Bad RIP value.
[  638.670676] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  638.676054] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  638.683404] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  638.690667] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  638.697946] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  638.705210] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  638.712516] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  638.712521] warn_alloc_show_mem: 1 callbacks suppressed
[  638.712527] Mem-Info:
[  638.719794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  638.725166] active_anon:54071 inactive_anon:192 isolated_anon:0
[  638.725166]  active_file:13 inactive_file:14 isolated_file:0
[  638.725166]  unevictable:0 dirty:0 writeback:0 unstable:0
[  638.725166]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  638.725166]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  638.725166]  free:13779 free_pcp:228 free_cma:0
[  638.727531] Call Trace:
[  638.736905] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  638.769849]  <IRQ>
[  638.772420] 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
[  638.799947]  dump_stack+0x244/0x39d
[  638.802070] lowmem_reserve[]: 0 2818 6321 6321
[  638.828930]  ? dump_stack_print_info.cold.1+0x20/0x20
[  638.832615] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  638.837192]  warn_alloc.cold.116+0xb7/0x1bd
[  638.842343] lowmem_reserve[]: 0 0 3503 3503
[  638.869834]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  638.874126] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  638.878441]  ? lock_downgrade+0x900/0x900
[  638.883255] lowmem_reserve[]: 0 0 0 0
[  638.912228]  ? trace_hardirqs_off+0xb8/0x310
[  638.916372] 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
[  638.920170]  ? trace_hardirqs_off+0xb8/0x310
[  638.924550] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  638.938084]  __alloc_pages_slowpath+0x2651/0x2de0
[  638.942462] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  638.958339]  ? warn_alloc+0x120/0x120
[  638.963143] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  638.978735]  ? print_usage_bug+0xc0/0xc0
[  638.982615] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  638.991430]  ? warn_alloc+0x120/0x120
[  638.995462] 271 total pagecache pages
[  639.004110]  ? warn_alloc+0x120/0x120
[  639.007890] 0 pages in swap cache
[  639.011762]  ? print_usage_bug+0xc0/0xc0
[  639.015539] Swap cache stats: add 0, delete 0, find 0/0
[  639.018978]  ? print_usage_bug+0xc0/0xc0
[  639.023016] Free swap  = 0kB
[  639.028371]  ? __lock_acquire+0x62f/0x4c20
[  639.032409] Total swap = 0kB
[  639.035421]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  639.039624] 1965979 pages RAM
[  639.042630]  ? should_fail+0x22d/0xd01
[  639.048133] 0 pages HighMem/MovableOnly
[  639.048140] 342854 pages reserved
[  639.051249]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  639.055105] 0 pages cma reserved
[  639.059065]  ? __lock_acquire+0x62f/0x4c20
[  639.062555] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  639.067579]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  639.071109] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  639.075138]  ? __lock_acquire+0x62f/0x4c20
[  639.075150]  ? should_fail+0x22d/0xd01
[  639.075164]  ? find_held_lock+0x36/0x1c0
[  639.075185]  ? mark_held_locks+0x130/0x130
[  639.081824] syz-fuzzer cpuset=/ mems_allowed=0
[  639.086918]  ? mark_held_locks+0x130/0x130
[  639.086934]  ? zap_class+0x640/0x640
[  639.126028]  ? zap_class+0x640/0x640
[  639.129738]  ? print_usage_bug+0xc0/0xc0
[  639.133794]  ? do_raw_spin_unlock+0xa7/0x330
[  639.138198]  ? zap_class+0x640/0x640
[  639.141905]  ? print_usage_bug+0xc0/0xc0
[  639.145961]  ? wq_watchdog_touch+0x9c/0xfe
[  639.150196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.155728]  ? check_preemption_disabled+0x48/0x280
[  639.160747]  ? __lock_is_held+0xb5/0x140
[  639.164811]  __alloc_pages_nodemask+0xad8/0xea0
[  639.169476]  ? zap_class+0x640/0x640
[  639.173192]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  639.178224]  ? find_held_lock+0x36/0x1c0
[  639.182287]  ? ____cache_alloc_node+0x1c7/0x1e0
[  639.186952]  ? lock_downgrade+0x900/0x900
[  639.191102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.196637]  cache_grow_begin+0xa5/0x8c0
[  639.200690]  ? do_raw_spin_unlock+0xa7/0x330
[  639.205114]  fallback_alloc+0x204/0x2e0
[  639.209089]  ____cache_alloc_node+0x1c7/0x1e0
[  639.213586]  kmem_cache_alloc_node+0xe3/0x730
[  639.218076]  ? ipv6_get_ifaddr+0x42e/0x620
[  639.222314]  __alloc_skb+0x119/0x770
[  639.226022]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  639.231396]  ? netdev_alloc_frag+0x1f0/0x1f0
[  639.235812]  ? lock_downgrade+0x900/0x900
[  639.239961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.245509]  ? refcount_sub_and_test_checked+0x203/0x310
[  639.250966]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  639.256409]  ? addrconf_rs_timer+0x690/0x690
[  639.260821]  ndisc_alloc_skb+0x144/0x340
[  639.264886]  ndisc_send_rs+0x331/0x6e0
[  639.268797]  addrconf_rs_timer+0x314/0x690
[  639.273034]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  639.277302]  call_timer_fn+0x272/0x920
[  639.281201]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  639.285434]  ? process_timeout+0x40/0x40
[  639.289514]  ? __run_timers+0x7da/0xc70
[  639.293491]  ? _raw_spin_unlock_irq+0x27/0x80
[  639.297981]  ? _raw_spin_unlock_irq+0x27/0x80
[  639.302474]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  639.306713]  ? lockdep_hardirqs_on+0x296/0x5b0
[  639.311293]  ? trace_hardirqs_on+0xbd/0x310
[  639.315625]  ? kasan_check_read+0x11/0x20
[  639.319768]  ? __run_timers+0x7da/0xc70
[  639.323742]  ? trace_hardirqs_off_caller+0x310/0x310
[  639.328842]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  639.333072]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  639.337296]  __run_timers+0x7e5/0xc70
[  639.341098]  ? timer_fixup_init+0x70/0x70
[  639.345243]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  639.350252]  ? zap_class+0x640/0x640
[  639.353962]  ? enqueue_hrtimer+0x1a5/0x560
[  639.358223]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  639.363423]  ? find_held_lock+0x36/0x1c0
[  639.367502]  ? zap_class+0x640/0x640
[  639.371319]  ? pvclock_read_flags+0x160/0x160
[  639.375821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.381354]  ? check_preemption_disabled+0x48/0x280
[  639.386383]  ? __lock_is_held+0xb5/0x140
[  639.390450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.396066]  ? check_preemption_disabled+0x48/0x280
[  639.401079]  run_timer_softirq+0x52/0xb0
[  639.405134]  ? rcu_read_lock_sched_held+0x14f/0x180
[  639.410145]  __do_softirq+0x308/0xb7e
[  639.413954]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  639.418442]  ? lock_downgrade+0x900/0x900
[  639.422585]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  639.427699]  ? pvclock_read_flags+0x160/0x160
[  639.432298]  ? lapic_next_event+0x5a/0x90
[  639.436462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.442094]  ? kvm_clock_read+0x18/0x30
[  639.446059]  ? kvm_sched_clock_read+0x9/0x20
[  639.450462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.455999]  ? check_preemption_disabled+0x48/0x280
[  639.461103]  irq_exit+0x17f/0x1c0
[  639.464553]  smp_apic_timer_interrupt+0x1cb/0x760
[  639.469384]  ? smp_reschedule_interrupt+0x109/0x650
[  639.474393]  ? smp_call_function_single_interrupt+0x650/0x650
[  639.480301]  ? interrupt_entry+0xb5/0xc0
[  639.484378]  ? trace_hardirqs_off_caller+0xbb/0x310
[  639.489476]  ? trace_hardirqs_off_caller+0xbb/0x310
[  639.494485]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  639.499359]  ? trace_hardirqs_on_caller+0x310/0x310
[  639.504372]  ? trace_hardirqs_on_caller+0x310/0x310
[  639.509403]  ? task_prio+0x50/0x50
[  639.513227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.518786]  ? check_preemption_disabled+0x48/0x280
[  639.523940]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  639.528801]  apic_timer_interrupt+0xf/0x20
[  639.533021]  </IRQ>
[  639.535280] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  639.540207] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  639.559100] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  639.566816] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  639.574077] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  639.581336] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  639.588599] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  639.595864] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  639.603193]  skb_clone+0x1bb/0x500
[  639.606730]  ? finish_task_switch+0x1b4/0x910
[  639.611218]  ? skb_split+0x11e0/0x11e0
[  639.615101]  ? preempt_notifier_register+0x200/0x200
[  639.620285]  ? __switch_to_asm+0x34/0x70
[  639.624337]  ? __switch_to_asm+0x34/0x70
[  639.628473]  ? __switch_to_asm+0x40/0x70
[  639.632522]  ? __switch_to_asm+0x34/0x70
[  639.636578]  ? __switch_to_asm+0x40/0x70
[  639.640632]  ? __switch_to_asm+0x34/0x70
[  639.644688]  ? __switch_to_asm+0x40/0x70
[  639.648757]  ? __switch_to_asm+0x34/0x70
[  639.652808]  ? __switch_to_asm+0x34/0x70
[  639.656883]  ? __switch_to_asm+0x40/0x70
[  639.660934]  ? __switch_to_asm+0x34/0x70
[  639.664996]  bpf_clone_redirect+0xb9/0x490
[  639.669246]  ? __schedule+0x8d7/0x21d0
[  639.673135]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  639.678240]  ? __sched_text_start+0x8/0x8
[  639.682397]  ? retint_kernel+0x2d/0x2d
[  639.686287]  ? find_held_lock+0x36/0x1c0
[  639.690349]  ? lock_acquire+0x1ed/0x520
[  639.694331]  ? bpf_test_run+0x3cb/0x780
[  639.698304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.703847]  ? check_preemption_disabled+0x48/0x280
[  639.708857]  ? kasan_check_read+0x11/0x20
[  639.713009]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  639.718279]  ? rcu_softirq_qs+0x20/0x20
[  639.722250]  ? preempt_schedule+0x4d/0x60
[  639.726397]  ? ___preempt_schedule+0x16/0x18
[  639.730890]  ? bpf_test_run+0x25d/0x780
[  639.734884]  ? netlink_diag_dump+0x2a0/0x2a0
[  639.739320]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  639.744851]  ? bpf_test_init.isra.10+0x70/0x100
[  639.749532]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  639.754286]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  639.759232]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  639.764770]  ? fput+0x130/0x1a0
[  639.768060]  ? __bpf_prog_get+0x9b/0x290
[  639.772135]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  639.776974]  ? bpf_prog_test_run+0x130/0x1a0
[  639.781383]  ? __x64_sys_bpf+0x3db/0x520
[  639.785435]  ? bpf_prog_get+0x20/0x20
[  639.789260]  ? do_syscall_64+0x1b9/0x820
[  639.793327]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  639.798688]  ? syscall_return_slowpath+0x5e0/0x5e0
[  639.803627]  ? trace_hardirqs_on_caller+0x310/0x310
[  639.808638]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  639.813653]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  639.820322]  ? __switch_to_asm+0x40/0x70
[  639.824386]  ? __switch_to_asm+0x34/0x70
[  639.828447]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  639.833297]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  639.838673] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  639.838755] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  639.845683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  639.845689] Call Trace:
[  639.845694]  <IRQ>
[  639.845709]  dump_stack+0x244/0x39d
[  639.845728]  ? dump_stack_print_info.cold.1+0x20/0x20
[  639.852322] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  639.861565]  warn_alloc.cold.116+0xb7/0x1bd
[  639.864116] syz-executor5 cpuset=syz5 mems_allowed=0
[  639.866253]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  639.899734]  ? lock_downgrade+0x900/0x900
[  639.903884]  ? trace_hardirqs_off+0xb8/0x310
[  639.908289]  ? trace_hardirqs_off+0xb8/0x310
[  639.912697]  __alloc_pages_slowpath+0x2651/0x2de0
[  639.917559]  ? warn_alloc+0x120/0x120
[  639.921360]  ? warn_alloc+0x120/0x120
[  639.925163]  ? warn_alloc+0x120/0x120
[  639.928960]  ? print_usage_bug+0xc0/0xc0
[  639.933036]  ? print_usage_bug+0xc0/0xc0
[  639.937095]  ? trace_hardirqs_off+0xb8/0x310
[  639.941589]  ? kasan_check_read+0x11/0x20
[  639.945755]  ? do_raw_spin_unlock+0xa7/0x330
[  639.950161]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  639.955697]  ? should_fail+0x22d/0xd01
[  639.959582]  ? mark_held_locks+0x130/0x130
[  639.963816]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  639.968914]  ? __lock_acquire+0x62f/0x4c20
[  639.973144]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  639.978241]  ? should_fail+0x22d/0xd01
[  639.982139]  ? mark_held_locks+0x130/0x130
[  639.986368]  ? mark_held_locks+0x130/0x130
[  639.990593]  ? print_usage_bug+0xc0/0xc0
[  639.994651]  ? find_held_lock+0x36/0x1c0
[  639.998707]  ? zap_class+0x640/0x640
[  640.002416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.007947]  ? check_preemption_disabled+0x48/0x280
[  640.012963]  ? __lock_is_held+0xb5/0x140
[  640.017035]  __alloc_pages_nodemask+0xad8/0xea0
[  640.021698]  ? zap_class+0x640/0x640
[  640.025411]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  640.030450]  ? find_held_lock+0x36/0x1c0
[  640.034516]  ? ____cache_alloc_node+0x1c7/0x1e0
[  640.039186]  ? lock_downgrade+0x900/0x900
[  640.043338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.048874]  cache_grow_begin+0xa5/0x8c0
[  640.052928]  ? do_raw_spin_unlock+0xa7/0x330
[  640.057339]  fallback_alloc+0x204/0x2e0
[  640.061329]  ____cache_alloc_node+0x1c7/0x1e0
[  640.065832]  kmem_cache_alloc_node+0xe3/0x730
[  640.070409]  ? mark_held_locks+0xc7/0x130
[  640.074565]  __alloc_skb+0x119/0x770
[  640.078286]  ? netdev_alloc_frag+0x1f0/0x1f0
[  640.082692]  ? do_raw_spin_trylock+0x270/0x270
[  640.087273]  ? kmem_cache_alloc_trace+0x353/0x750
[  640.092122]  ? queue_work_on+0x12c/0x1e0
[  640.096188]  ? switchdev_port_obj_del+0xe3/0x450
[  640.101034]  ? switchdev_trans_item_enqueue+0x260/0x260
[  640.106397]  ? mod_timer+0x631/0x1560
[  640.110195]  ? wake_up_klogd+0x180/0x180
[  640.114253]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  640.119288]  __br_mdb_notify+0x4ff/0x15d0
[  640.123451]  ? __br_mdb_add+0x7f0/0x7f0
[  640.127430]  ? zap_class+0x640/0x640
[  640.131153]  ? br_multicast_group_expired+0x96/0x610
[  640.136258]  br_mdb_notify+0x310/0x410
[  640.140140]  ? br_mdb_dump+0x27b0/0x27b0
[  640.144200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.149743]  br_multicast_group_expired+0x1bc/0x610
[  640.154757]  ? br_mdb_free+0x80/0x80
[  640.158476]  call_timer_fn+0x272/0x920
[  640.162367]  ? br_mdb_free+0x80/0x80
[  640.166077]  ? process_timeout+0x40/0x40
[  640.170135]  ? mark_held_locks+0xc7/0x130
[  640.174280]  ? _raw_spin_unlock_irq+0x27/0x80
[  640.178770]  ? _raw_spin_unlock_irq+0x27/0x80
[  640.183471]  ? br_mdb_free+0x80/0x80
[  640.187191]  ? lockdep_hardirqs_on+0x296/0x5b0
[  640.191784]  ? trace_hardirqs_on+0xbd/0x310
[  640.196190]  ? kasan_check_read+0x11/0x20
[  640.200328]  ? __run_timers+0x7da/0xc70
[  640.204303]  ? trace_hardirqs_off_caller+0x310/0x310
[  640.209408]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  640.213665]  ? br_mdb_free+0x80/0x80
[  640.217373]  __run_timers+0x7e5/0xc70
[  640.221208]  ? timer_fixup_init+0x70/0x70
[  640.225354]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  640.230364]  ? zap_class+0x640/0x640
[  640.234077]  ? print_usage_bug+0xc0/0xc0
[  640.238131]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  640.243320]  ? find_held_lock+0x36/0x1c0
[  640.247380]  ? zap_class+0x640/0x640
[  640.251110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.256653]  ? check_preemption_disabled+0x48/0x280
[  640.261672]  ? __lock_is_held+0xb5/0x140
[  640.265733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.271265]  ? check_preemption_disabled+0x48/0x280
[  640.276282]  run_timer_softirq+0x52/0xb0
[  640.280342]  ? rcu_read_lock_sched_held+0x14f/0x180
[  640.285356]  __do_softirq+0x308/0xb7e
[  640.289160]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  640.293648]  ? lock_downgrade+0x900/0x900
[  640.297797]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  640.302906]  ? pvclock_read_flags+0x160/0x160
[  640.307418]  ? lapic_next_event+0x5a/0x90
[  640.311605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.317145]  ? kvm_clock_read+0x18/0x30
[  640.321386]  ? kvm_sched_clock_read+0x9/0x20
[  640.325802]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  640.331338]  ? check_preemption_disabled+0x48/0x280
[  640.336361]  irq_exit+0x17f/0x1c0
[  640.339810]  smp_apic_timer_interrupt+0x1cb/0x760
[  640.344645]  ? smp_reschedule_interrupt+0x109/0x650
[  640.349655]  ? smp_call_function_single_interrupt+0x650/0x650
[  640.355536]  ? interrupt_entry+0xb5/0xc0
[  640.359597]  ? trace_hardirqs_off_caller+0xbb/0x310
[  640.364608]  ? trace_hardirqs_off_caller+0xbb/0x310
[  640.369621]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  640.374461]  ? trace_hardirqs_on_caller+0x310/0x310
[  640.379474]  ? trace_hardirqs_on_caller+0x310/0x310
[  640.384510]  ? task_prio+0x50/0x50
[  640.388047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.393581]  ? check_preemption_disabled+0x48/0x280
[  640.398597]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  640.403444]  apic_timer_interrupt+0xf/0x20
[  640.407685]  </IRQ>
[  640.409921] RIP: 0010:dump_stack+0x358/0x39d
[  640.414328] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  640.433240] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  640.440957] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  640.448337] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  640.455600] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  640.462864] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  640.470137] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  640.477534]  ? dump_stack+0x34f/0x39d
[  640.481348]  ? dump_stack_print_info.cold.1+0x20/0x20
[  640.486536]  ? mark_held_locks+0x130/0x130
[  640.490765]  ? mark_held_locks+0x130/0x130
[  640.495009]  dump_header+0x27b/0xf72
[  640.498727]  ? pagefault_out_of_memory+0x197/0x197
[  640.503655]  ? __lock_acquire+0x62f/0x4c20
[  640.507886]  ? percpu_ref_get_many+0x240/0x240
[  640.512469]  ? print_usage_bug+0xc0/0xc0
[  640.516540]  ? zap_class+0x640/0x640
[  640.520253]  ? print_usage_bug+0xc0/0xc0
[  640.524316]  ? print_usage_bug+0xc0/0xc0
[  640.528386]  ? zap_class+0x640/0x640
[  640.532180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.537713]  ? find_held_lock+0x36/0x1c0
[  640.541777]  ? mark_held_locks+0xc7/0x130
[  640.546045]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  640.551175]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  640.556275]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  640.560853]  ? trace_hardirqs_on+0xbd/0x310
[  640.565167]  ? kasan_check_read+0x11/0x20
[  640.569321]  ? ___ratelimit+0x3b4/0x672
[  640.573288]  ? trace_hardirqs_off_caller+0x310/0x310
[  640.578388]  ? trace_hardirqs_on+0x310/0x310
[  640.582791]  ? lock_downgrade+0x900/0x900
[  640.586935]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  640.592050]  ? ___ratelimit+0x3b9/0x672
[  640.596022]  ? idr_get_free+0xf70/0xf70
[  640.599991]  ? find_held_lock+0x36/0x1c0
[  640.604062]  oom_kill_process.cold.27+0x10/0x903
[  640.608809]  ? zap_class+0x640/0x640
[  640.612520]  ? check_preemption_disabled+0x48/0x280
[  640.617532]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  640.622453]  ? kasan_check_read+0x11/0x20
[  640.626596]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  640.631866]  ? oom_evaluate_task+0x540/0x540
[  640.636283]  ? find_held_lock+0x36/0x1c0
[  640.640348]  ? out_of_memory+0x974/0x1430
[  640.644504]  ? lock_downgrade+0x900/0x900
[  640.648664]  ? check_preemption_disabled+0x48/0x280
[  640.653673]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  640.659085]  ? kasan_check_read+0x11/0x20
[  640.663349]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  640.668621]  ? rcu_softirq_qs+0x20/0x20
[  640.672602]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  640.678161]  ? oom_evaluate_task+0x302/0x540
[  640.682569]  out_of_memory+0xa84/0x1430
[  640.686562]  ? oom_killer_disable+0x3a0/0x3a0
[  640.691062]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  640.696018]  ? __ww_mutex_check_waiters+0x160/0x160
[  640.701041]  __alloc_pages_slowpath+0x232c/0x2de0
[  640.706032]  ? warn_alloc+0x120/0x120
[  640.709828]  ? mark_held_locks+0x130/0x130
[  640.714072]  ? find_get_entry+0xaae/0x1120
[  640.718313]  ? filemap_map_pages+0x1a20/0x1a20
[  640.722898]  ? zap_class+0x640/0x640
[  640.726632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.732172]  ? check_preemption_disabled+0x48/0x280
[  640.737199]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  640.742736]  ? should_fail+0x22d/0xd01
[  640.746621]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  640.751720]  ? zap_class+0x640/0x640
[  640.755454]  ? __lock_is_held+0xb5/0x140
[  640.759520]  ? mark_held_locks+0x130/0x130
[  640.763760]  ? lock_release+0xa00/0xa00
[  640.767734]  ? perf_trace_sched_process_exec+0x860/0x860
[  640.773180]  ? xa_load+0x2ba/0x460
[  640.776750]  ? lock_downgrade+0x900/0x900
[  640.780914]  ? __might_sleep+0x95/0x190
[  640.784920]  __alloc_pages_nodemask+0xad8/0xea0
[  640.789586]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  640.794599]  ? __page_cache_alloc+0x191/0x5c0
[  640.799107]  ? xa_load+0x2e1/0x460
[  640.802640]  ? xa_clear_mark+0x40/0x40
[  640.807064]  ? zap_class+0x640/0x640
[  640.810773]  ? zap_class+0x640/0x640
[  640.814486]  ? zap_class+0x640/0x640
[  640.818195]  ? zap_class+0x640/0x640
[  640.821919]  ? __do_page_cache_readahead+0x663/0x810
[  640.827301]  ? find_held_lock+0x36/0x1c0
[  640.831379]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  640.836918]  alloc_pages_current+0x173/0x350
[  640.841330]  __page_cache_alloc+0x38c/0x5c0
[  640.845657]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  640.850580]  ? kasan_check_read+0x11/0x20
[  640.854719]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  640.860005]  ? generic_perform_write+0x6a0/0x6a0
[  640.864757]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  640.870295]  ? check_preemption_disabled+0x48/0x280
[  640.875314]  filemap_fault+0x1595/0x25f0
[  640.879385]  ? __lock_page_or_retry+0xa00/0xa00
[  640.884069]  ? mark_held_locks+0x130/0x130
[  640.888321]  ? filemap_map_pages+0xd6b/0x1a20
[  640.892814]  ? lock_downgrade+0x900/0x900
[  640.896959]  ? check_preemption_disabled+0x48/0x280
[  640.902152]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  640.907081]  ? kasan_check_read+0x11/0x20
[  640.911222]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  640.916600]  ? rcu_softirq_qs+0x20/0x20
[  640.920581]  ? filemap_map_pages+0xd92/0x1a20
[  640.925077]  ? queue_work_on+0x12c/0x1e0
[  640.929142]  ? find_get_entries_tag+0x1400/0x1400
[  640.933987]  ? debug_object_destroy+0x2b0/0x2b0
[  640.938661]  ? lock_pi_update_atomic+0x150/0x150
[  640.943413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.948970]  ? lock_acquire+0x1ed/0x520
[  640.952944]  ? ext4_filemap_fault+0x7a/0xad
[  640.957275]  ? lock_release+0xa00/0xa00
[  640.961246]  ? perf_trace_sched_process_exec+0x860/0x860
[  640.966696]  ? print_usage_bug+0xc0/0xc0
[  640.970755]  ? print_usage_bug+0xc0/0xc0
[  640.974825]  ? down_read+0x8d/0x120
[  640.978455]  ? ext4_filemap_fault+0x7a/0xad
[  640.982773]  ? __down_interruptible+0x700/0x700
[  640.987445]  ext4_filemap_fault+0x82/0xad
[  640.991587]  __do_fault+0x100/0x6b0
[  640.995207]  ? find_held_lock+0x36/0x1c0
[  640.999268]  ? pmd_devmap_trans_unstable+0x220/0x220
[  641.004366]  ? mark_held_locks+0x130/0x130
[  641.008630]  ? mark_held_locks+0x130/0x130
[  641.012901]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  641.018456]  __handle_mm_fault+0x3ea0/0x5be0
[  641.022856]  ? perf_trace_lock+0x7a0/0x7a0
[  641.027129]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  641.031998]  ? __switch_to_asm+0x34/0x70
[  641.036057]  ? __switch_to_asm+0x34/0x70
[  641.040251]  ? zap_class+0x640/0x640
[  641.043964]  ? zap_class+0x640/0x640
[  641.047671]  ? __x64_sys_futex+0x53e/0x6a0
[  641.051905]  ? find_held_lock+0x36/0x1c0
[  641.055978]  ? handle_mm_fault+0x42a/0xc70
[  641.060212]  ? lock_downgrade+0x900/0x900
[  641.064352]  ? check_preemption_disabled+0x48/0x280
[  641.069361]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  641.074279]  ? kasan_check_read+0x11/0x20
[  641.078418]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  641.083701]  ? rcu_softirq_qs+0x20/0x20
[  641.087687]  ? trace_hardirqs_off_caller+0x310/0x310
[  641.092786]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  641.098320]  ? check_preemption_disabled+0x48/0x280
[  641.103340]  handle_mm_fault+0x54f/0xc70
[  641.107404]  ? __handle_mm_fault+0x5be0/0x5be0
[  641.111995]  ? find_vma+0x34/0x190
[  641.115532]  __do_page_fault+0x5e8/0xe60
[  641.119586]  ? trace_hardirqs_off+0xb8/0x310
[  641.124006]  do_page_fault+0xf2/0x7e0
[  641.127803]  ? vmalloc_sync_all+0x30/0x30
[  641.131948]  ? error_entry+0x70/0xd0
[  641.135668]  ? trace_hardirqs_off_caller+0xbb/0x310
[  641.140677]  ? trace_hardirqs_on_caller+0xc0/0x310
[  641.145603]  ? syscall_return_slowpath+0x5e0/0x5e0
[  641.150528]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  641.155366]  ? trace_hardirqs_on_caller+0x310/0x310
[  641.160376]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  641.165824]  ? prepare_exit_to_usermode+0x291/0x3b0
[  641.170833]  ? page_fault+0x8/0x30
[  641.174369]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  641.179208]  ? page_fault+0x8/0x30
[  641.182747]  page_fault+0x1e/0x30
[  641.186190] RIP: 0033:0x40f9c0
[  641.189391] Code: Bad RIP value.
[  641.192749] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  641.198103] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  641.205368] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  641.212630] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  641.219913] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  641.227173] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  641.234480] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  641.234508] warn_alloc_show_mem: 1 callbacks suppressed
[  641.234513] Mem-Info:
[  641.241762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  641.247126] active_anon:54071 inactive_anon:192 isolated_anon:0
[  641.247126]  active_file:13 inactive_file:14 isolated_file:0
[  641.247126]  unevictable:0 dirty:0 writeback:0 unstable:0
[  641.247126]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  641.247126]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  641.247126]  free:13779 free_pcp:228 free_cma:0
[  641.249495] Call Trace:
[  641.258869] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  641.291801]  <IRQ>
[  641.294370] 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
[  641.321860]  dump_stack+0x244/0x39d
[  641.324154] lowmem_reserve[]: 0 2818 6321 6321
[  641.350256]  ? dump_stack_print_info.cold.1+0x20/0x20
[  641.353850] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  641.358429]  warn_alloc.cold.116+0xb7/0x1bd
[  641.363575] lowmem_reserve[]: 0 0 3503 3503
[  641.391070]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  641.395372] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  641.399685]  ? lock_downgrade+0x900/0x900
[  641.404499] lowmem_reserve[]: 0 0 0 0
[  641.433507]  ? trace_hardirqs_off+0xb8/0x310
[  641.437620] 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
[  641.441411]  ? trace_hardirqs_off+0xb8/0x310
[  641.445797] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  641.459320]  __alloc_pages_slowpath+0x2651/0x2de0
[  641.463696] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  641.479577]  ? warn_alloc+0x120/0x120
[  641.484378] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  641.499972]  ? warn_alloc+0x120/0x120
[  641.503751] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  641.512567]  ? warn_alloc+0x120/0x120
[  641.516340] 271 total pagecache pages
[  641.524904]  ? print_usage_bug+0xc0/0xc0
[  641.528680] 0 pages in swap cache
[  641.532480]  ? print_usage_bug+0xc0/0xc0
[  641.536513] Swap cache stats: add 0, delete 0, find 0/0
[  641.539953]  ? mark_held_locks+0x130/0x130
[  641.543992] Free swap  = 0kB
[  641.549339]  ? should_fail+0x22d/0xd01
[  641.553542] Total swap = 0kB
[  641.556546]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  641.560401] 1965979 pages RAM
[  641.563403]  ? should_fail+0x22d/0xd01
[  641.568910] 0 pages HighMem/MovableOnly
[  641.572008]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  641.575861] 342854 pages reserved
[  641.579819]  ? __lock_acquire+0x62f/0x4c20
[  641.584894] 0 pages cma reserved
[  641.588333]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  641.592709] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  641.595889]  ? __lock_acquire+0x62f/0x4c20
[  641.600966] syz-fuzzer cpuset=/ mems_allowed=0
[  641.611185]  ? should_fail+0x22d/0xd01
[  641.611220]  ? mark_held_locks+0x130/0x130
[  641.628106]  ? mark_held_locks+0x130/0x130
[  641.632342]  ? zap_class+0x640/0x640
[  641.636074]  ? check_preemption_disabled+0x48/0x280
[  641.641091]  ? zap_class+0x640/0x640
[  641.644800]  ? print_usage_bug+0xc0/0xc0
[  641.648861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.654396]  ? check_preemption_disabled+0x48/0x280
[  641.659417]  ? __lock_is_held+0xb5/0x140
[  641.663484]  __alloc_pages_nodemask+0xad8/0xea0
[  641.668149]  ? zap_class+0x640/0x640
[  641.671860]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  641.676882]  ? find_held_lock+0x36/0x1c0
[  641.680958]  ? ____cache_alloc_node+0x1c7/0x1e0
[  641.685633]  ? lock_downgrade+0x900/0x900
[  641.689784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.695323]  cache_grow_begin+0xa5/0x8c0
[  641.699380]  ? do_raw_spin_unlock+0xa7/0x330
[  641.703807]  fallback_alloc+0x204/0x2e0
[  641.707787]  ____cache_alloc_node+0x1c7/0x1e0
[  641.712281]  kmem_cache_alloc_node+0xe3/0x730
[  641.716773]  ? ipv6_get_ifaddr+0x42e/0x620
[  641.721014]  __alloc_skb+0x119/0x770
[  641.724720]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  641.729991]  ? netdev_alloc_frag+0x1f0/0x1f0
[  641.734413]  ? lock_downgrade+0x900/0x900
[  641.738559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.744088]  ? refcount_sub_and_test_checked+0x203/0x310
[  641.749533]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  641.755086]  ? addrconf_rs_timer+0x690/0x690
[  641.759503]  ndisc_alloc_skb+0x144/0x340
[  641.763577]  ndisc_send_rs+0x331/0x6e0
[  641.767460]  addrconf_rs_timer+0x314/0x690
[  641.771691]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  641.775928]  call_timer_fn+0x272/0x920
[  641.779811]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  641.784039]  ? process_timeout+0x40/0x40
[  641.788096]  ? __run_timers+0x7da/0xc70
[  641.792098]  ? _raw_spin_unlock_irq+0x27/0x80
[  641.796585]  ? _raw_spin_unlock_irq+0x27/0x80
[  641.801071]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  641.805299]  ? lockdep_hardirqs_on+0x296/0x5b0
[  641.809901]  ? trace_hardirqs_on+0xbd/0x310
[  641.814215]  ? kasan_check_read+0x11/0x20
[  641.818366]  ? __run_timers+0x7da/0xc70
[  641.822333]  ? trace_hardirqs_off_caller+0x310/0x310
[  641.827438]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  641.831673]  __run_timers+0x7e5/0xc70
[  641.835485]  ? timer_fixup_init+0x70/0x70
[  641.839637]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  641.844651]  ? zap_class+0x640/0x640
[  641.848362]  ? enqueue_hrtimer+0x1a5/0x560
[  641.852595]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  641.857784]  ? find_held_lock+0x36/0x1c0
[  641.861844]  ? zap_class+0x640/0x640
[  641.865561]  ? pvclock_read_flags+0x160/0x160
[  641.870051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.875584]  ? check_preemption_disabled+0x48/0x280
[  641.880603]  ? __lock_is_held+0xb5/0x140
[  641.884659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.890193]  ? check_preemption_disabled+0x48/0x280
[  641.895319]  run_timer_softirq+0x52/0xb0
[  641.899392]  ? rcu_read_lock_sched_held+0x14f/0x180
[  641.904408]  __do_softirq+0x308/0xb7e
[  641.908209]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  641.912702]  ? lock_downgrade+0x900/0x900
[  641.916851]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  641.921962]  ? pvclock_read_flags+0x160/0x160
[  641.926461]  ? lapic_next_event+0x5a/0x90
[  641.930610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.936148]  ? kvm_clock_read+0x18/0x30
[  641.940120]  ? kvm_sched_clock_read+0x9/0x20
[  641.944526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.950079]  ? check_preemption_disabled+0x48/0x280
[  641.955098]  irq_exit+0x17f/0x1c0
[  641.958546]  smp_apic_timer_interrupt+0x1cb/0x760
[  641.963395]  ? smp_reschedule_interrupt+0x109/0x650
[  641.968409]  ? smp_call_function_single_interrupt+0x650/0x650
[  641.974303]  ? interrupt_entry+0xb5/0xc0
[  641.978361]  ? trace_hardirqs_off_caller+0xbb/0x310
[  641.983375]  ? trace_hardirqs_off_caller+0xbb/0x310
[  641.988389]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  641.993233]  ? trace_hardirqs_on_caller+0x310/0x310
[  641.998246]  ? trace_hardirqs_on_caller+0x310/0x310
[  642.003256]  ? task_prio+0x50/0x50
[  642.006791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.012325]  ? check_preemption_disabled+0x48/0x280
[  642.017339]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  642.022182]  apic_timer_interrupt+0xf/0x20
[  642.026413]  </IRQ>
[  642.028647] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  642.033575] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  642.052479] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  642.060185] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  642.067461] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  642.074731] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  642.081994] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  642.089256] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  642.096669]  skb_clone+0x1bb/0x500
[  642.100204]  ? finish_task_switch+0x1b4/0x910
[  642.104698]  ? skb_split+0x11e0/0x11e0
[  642.108583]  ? preempt_notifier_register+0x200/0x200
[  642.113683]  ? __switch_to_asm+0x34/0x70
[  642.117740]  ? __switch_to_asm+0x34/0x70
[  642.121793]  ? __switch_to_asm+0x40/0x70
[  642.125863]  ? __switch_to_asm+0x34/0x70
[  642.129915]  ? __switch_to_asm+0x40/0x70
[  642.133974]  ? __switch_to_asm+0x34/0x70
[  642.138026]  ? __switch_to_asm+0x40/0x70
[  642.142078]  ? __switch_to_asm+0x34/0x70
[  642.146133]  ? __switch_to_asm+0x34/0x70
[  642.150186]  ? __switch_to_asm+0x40/0x70
[  642.154242]  ? __switch_to_asm+0x34/0x70
[  642.158303]  bpf_clone_redirect+0xb9/0x490
[  642.162539]  ? __schedule+0x8d7/0x21d0
[  642.166431]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  642.171460]  ? __sched_text_start+0x8/0x8
[  642.175618]  ? retint_kernel+0x2d/0x2d
[  642.179507]  ? find_held_lock+0x36/0x1c0
[  642.183571]  ? lock_acquire+0x1ed/0x520
[  642.187541]  ? bpf_test_run+0x3cb/0x780
[  642.191511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.197041]  ? check_preemption_disabled+0x48/0x280
[  642.202057]  ? kasan_check_read+0x11/0x20
[  642.206198]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  642.211492]  ? rcu_softirq_qs+0x20/0x20
[  642.215464]  ? preempt_schedule+0x4d/0x60
[  642.219613]  ? ___preempt_schedule+0x16/0x18
[  642.224022]  ? bpf_test_run+0x25d/0x780
[  642.228002]  ? netlink_diag_dump+0x2a0/0x2a0
[  642.232423]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  642.237961]  ? bpf_test_init.isra.10+0x70/0x100
[  642.242629]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  642.247389]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  642.252228]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  642.257764]  ? fput+0x130/0x1a0
[  642.261044]  ? __bpf_prog_get+0x9b/0x290
[  642.265111]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  642.269976]  ? bpf_prog_test_run+0x130/0x1a0
[  642.274385]  ? __x64_sys_bpf+0x3db/0x520
[  642.278441]  ? bpf_prog_get+0x20/0x20
[  642.282256]  ? do_syscall_64+0x1b9/0x820
[  642.286314]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  642.291672]  ? syscall_return_slowpath+0x5e0/0x5e0
[  642.296597]  ? trace_hardirqs_on_caller+0x310/0x310
[  642.301605]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  642.306615]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  642.313277]  ? __switch_to_asm+0x40/0x70
[  642.317334]  ? __switch_to_asm+0x34/0x70
[  642.321396]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  642.326241]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  642.331614] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  642.331698] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  642.338626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  642.338633] Call Trace:
[  642.345204] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  642.354439]  <IRQ>
[  642.357019] syz-executor5 cpuset=syz5 mems_allowed=0
[  642.367510]  dump_stack+0x244/0x39d
[  642.378358]  ? dump_stack_print_info.cold.1+0x20/0x20
[  642.383563]  warn_alloc.cold.116+0xb7/0x1bd
[  642.387893]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  642.392737]  ? lock_downgrade+0x900/0x900
[  642.396887]  ? trace_hardirqs_off+0xb8/0x310
[  642.401295]  ? trace_hardirqs_off+0xb8/0x310
[  642.405702]  __alloc_pages_slowpath+0x2651/0x2de0
[  642.410558]  ? warn_alloc+0x120/0x120
[  642.414358]  ? warn_alloc+0x120/0x120
[  642.418154]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  642.423167]  ? warn_alloc+0x120/0x120
[  642.426968]  ? print_usage_bug+0xc0/0xc0
[  642.431027]  ? print_usage_bug+0xc0/0xc0
[  642.435085]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  642.440294]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  642.445826]  ? should_fail+0x22d/0xd01
[  642.449717]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  642.454819]  ? __lock_acquire+0x62f/0x4c20
[  642.459059]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  642.464157]  ? should_fail+0x22d/0xd01
[  642.468060]  ? mark_held_locks+0x130/0x130
[  642.472298]  ? mark_held_locks+0x130/0x130
[  642.476562]  ? print_usage_bug+0xc0/0xc0
[  642.480621]  ? find_held_lock+0x36/0x1c0
[  642.484684]  ? zap_class+0x640/0x640
[  642.488399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.493938]  ? check_preemption_disabled+0x48/0x280
[  642.498993]  ? __lock_is_held+0xb5/0x140
[  642.503076]  __alloc_pages_nodemask+0xad8/0xea0
[  642.507740]  ? zap_class+0x640/0x640
[  642.511455]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  642.516476]  ? find_held_lock+0x36/0x1c0
[  642.520542]  ? ____cache_alloc_node+0x1c7/0x1e0
[  642.525204]  ? lock_downgrade+0x900/0x900
[  642.529351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.534889]  cache_grow_begin+0xa5/0x8c0
[  642.538946]  ? do_raw_spin_unlock+0xa7/0x330
[  642.543355]  fallback_alloc+0x204/0x2e0
[  642.547356]  ____cache_alloc_node+0x1c7/0x1e0
[  642.551849]  kmem_cache_alloc_node+0xe3/0x730
[  642.556339]  ? mark_held_locks+0xc7/0x130
[  642.560494]  __alloc_skb+0x119/0x770
[  642.564206]  ? netdev_alloc_frag+0x1f0/0x1f0
[  642.568607]  ? do_raw_spin_trylock+0x270/0x270
[  642.573183]  ? kmem_cache_alloc_trace+0x353/0x750
[  642.578026]  ? queue_work_on+0x12c/0x1e0
[  642.582101]  ? switchdev_port_obj_del+0xe3/0x450
[  642.586854]  ? switchdev_trans_item_enqueue+0x260/0x260
[  642.592219]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  642.597233]  __br_mdb_notify+0x4ff/0x15d0
[  642.601388]  ? __br_mdb_add+0x7f0/0x7f0
[  642.605365]  ? zap_class+0x640/0x640
[  642.609084]  ? br_multicast_group_expired+0x96/0x610
[  642.614189]  ? lock_downgrade+0x900/0x900
[  642.618372]  br_mdb_notify+0x310/0x410
[  642.622268]  ? br_mdb_dump+0x27b0/0x27b0
[  642.626325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.631868]  br_multicast_group_expired+0x1bc/0x610
[  642.636893]  ? br_mdb_free+0x80/0x80
[  642.640618]  call_timer_fn+0x272/0x920
[  642.644510]  ? br_mdb_free+0x80/0x80
[  642.648216]  ? process_timeout+0x40/0x40
[  642.652295]  ? mark_held_locks+0xc7/0x130
[  642.656897]  ? _raw_spin_unlock_irq+0x27/0x80
[  642.661396]  ? _raw_spin_unlock_irq+0x27/0x80
[  642.665885]  ? br_mdb_free+0x80/0x80
[  642.669592]  ? lockdep_hardirqs_on+0x296/0x5b0
[  642.674171]  ? trace_hardirqs_on+0xbd/0x310
[  642.678488]  ? kasan_check_read+0x11/0x20
[  642.682627]  ? __run_timers+0x7da/0xc70
[  642.686599]  ? trace_hardirqs_off_caller+0x310/0x310
[  642.691698]  ? br_mdb_free+0x80/0x80
[  642.695417]  ? br_mdb_free+0x80/0x80
[  642.699137]  __run_timers+0x7e5/0xc70
[  642.702948]  ? timer_fixup_init+0x70/0x70
[  642.707095]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  642.712102]  ? zap_class+0x640/0x640
[  642.715815]  ? print_usage_bug+0xc0/0xc0
[  642.719890]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  642.725087]  ? find_held_lock+0x36/0x1c0
[  642.729146]  ? zap_class+0x640/0x640
[  642.732960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.738508]  ? check_preemption_disabled+0x48/0x280
[  642.743550]  ? __lock_is_held+0xb5/0x140
[  642.747609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.753140]  ? check_preemption_disabled+0x48/0x280
[  642.758170]  run_timer_softirq+0x52/0xb0
[  642.762250]  ? rcu_read_lock_sched_held+0x14f/0x180
[  642.767262]  __do_softirq+0x308/0xb7e
[  642.771056]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  642.775554]  ? lock_downgrade+0x900/0x900
[  642.779798]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  642.784906]  ? pvclock_read_flags+0x160/0x160
[  642.789404]  ? lapic_next_event+0x5a/0x90
[  642.793548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.799096]  ? kvm_clock_read+0x18/0x30
[  642.803064]  ? kvm_sched_clock_read+0x9/0x20
[  642.807470]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  642.813006]  ? check_preemption_disabled+0x48/0x280
[  642.818023]  irq_exit+0x17f/0x1c0
[  642.821468]  smp_apic_timer_interrupt+0x1cb/0x760
[  642.826595]  ? smp_reschedule_interrupt+0x109/0x650
[  642.831611]  ? smp_call_function_single_interrupt+0x650/0x650
[  642.837492]  ? interrupt_entry+0xb5/0xc0
[  642.841546]  ? trace_hardirqs_off_caller+0xbb/0x310
[  642.846555]  ? trace_hardirqs_off_caller+0xbb/0x310
[  642.851657]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  642.856505]  ? trace_hardirqs_on_caller+0x310/0x310
[  642.861517]  ? trace_hardirqs_on_caller+0x310/0x310
[  642.866524]  ? task_prio+0x50/0x50
[  642.870062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.875593]  ? check_preemption_disabled+0x48/0x280
[  642.880602]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  642.885458]  apic_timer_interrupt+0xf/0x20
[  642.889679]  </IRQ>
[  642.891923] RIP: 0010:dump_stack+0x358/0x39d
[  642.896344] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  642.915251] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  642.922957] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  642.930223] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  642.937483] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  642.944753] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  642.952014] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  642.959291]  ? dump_stack+0x34f/0x39d
[  642.963097]  ? dump_stack_print_info.cold.1+0x20/0x20
[  642.968332]  ? mark_held_locks+0x130/0x130
[  642.972559]  ? mark_held_locks+0x130/0x130
[  642.976795]  dump_header+0x27b/0xf72
[  642.980516]  ? pagefault_out_of_memory+0x197/0x197
[  642.985448]  ? __lock_acquire+0x62f/0x4c20
[  642.989681]  ? percpu_ref_get_many+0x240/0x240
[  642.994262]  ? print_usage_bug+0xc0/0xc0
[  642.998327]  ? zap_class+0x640/0x640
[  643.002037]  ? print_usage_bug+0xc0/0xc0
[  643.006090]  ? print_usage_bug+0xc0/0xc0
[  643.010232]  ? zap_class+0x640/0x640
[  643.013963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.019508]  ? find_held_lock+0x36/0x1c0
[  643.023587]  ? mark_held_locks+0xc7/0x130
[  643.027738]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  643.032832]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  643.037933]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  643.042508]  ? trace_hardirqs_on+0xbd/0x310
[  643.046826]  ? kasan_check_read+0x11/0x20
[  643.050982]  ? ___ratelimit+0x3b4/0x672
[  643.054957]  ? trace_hardirqs_off_caller+0x310/0x310
[  643.060055]  ? trace_hardirqs_on+0x310/0x310
[  643.064475]  ? lock_downgrade+0x900/0x900
[  643.068622]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  643.073723]  ? ___ratelimit+0x3b9/0x672
[  643.077700]  ? idr_get_free+0xf70/0xf70
[  643.081672]  ? find_held_lock+0x36/0x1c0
[  643.085764]  oom_kill_process.cold.27+0x10/0x903
[  643.090615]  ? zap_class+0x640/0x640
[  643.094323]  ? check_preemption_disabled+0x48/0x280
[  643.099332]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  643.104252]  ? kasan_check_read+0x11/0x20
[  643.108398]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  643.113670]  ? oom_evaluate_task+0x540/0x540
[  643.118070]  ? find_held_lock+0x36/0x1c0
[  643.122135]  ? out_of_memory+0x974/0x1430
[  643.126275]  ? lock_downgrade+0x900/0x900
[  643.130417]  ? check_preemption_disabled+0x48/0x280
[  643.135428]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  643.140347]  ? kasan_check_read+0x11/0x20
[  643.144483]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  643.149840]  ? rcu_softirq_qs+0x20/0x20
[  643.153809]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  643.159333]  ? oom_evaluate_task+0x302/0x540
[  643.163739]  out_of_memory+0xa84/0x1430
[  643.167715]  ? oom_killer_disable+0x3a0/0x3a0
[  643.172218]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  643.177184]  ? __ww_mutex_check_waiters+0x160/0x160
[  643.182202]  __alloc_pages_slowpath+0x232c/0x2de0
[  643.187060]  ? warn_alloc+0x120/0x120
[  643.190853]  ? mark_held_locks+0x130/0x130
[  643.195101]  ? find_get_entry+0xaae/0x1120
[  643.199335]  ? filemap_map_pages+0x1a20/0x1a20
[  643.204036]  ? zap_class+0x640/0x640
[  643.207747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.213273]  ? check_preemption_disabled+0x48/0x280
[  643.218283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  643.223824]  ? should_fail+0x22d/0xd01
[  643.227711]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  643.232862]  ? zap_class+0x640/0x640
[  643.236589]  ? __lock_is_held+0xb5/0x140
[  643.240651]  ? mark_held_locks+0x130/0x130
[  643.244884]  ? lock_release+0xa00/0xa00
[  643.248861]  ? perf_trace_sched_process_exec+0x860/0x860
[  643.254306]  ? xa_load+0x2ba/0x460
[  643.257846]  ? lock_downgrade+0x900/0x900
[  643.261991]  ? __might_sleep+0x95/0x190
[  643.265970]  __alloc_pages_nodemask+0xad8/0xea0
[  643.270637]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  643.275646]  ? __page_cache_alloc+0x191/0x5c0
[  643.280146]  ? xa_load+0x2e1/0x460
[  643.283681]  ? xa_clear_mark+0x40/0x40
[  643.287561]  ? zap_class+0x640/0x640
[  643.291269]  ? zap_class+0x640/0x640
[  643.294983]  ? zap_class+0x640/0x640
[  643.298693]  ? zap_class+0x640/0x640
[  643.302429]  ? __do_page_cache_readahead+0x663/0x810
[  643.307529]  ? find_held_lock+0x36/0x1c0
[  643.311591]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  643.317137]  alloc_pages_current+0x173/0x350
[  643.321543]  __page_cache_alloc+0x38c/0x5c0
[  643.325852]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  643.330777]  ? kasan_check_read+0x11/0x20
[  643.334925]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  643.340206]  ? generic_perform_write+0x6a0/0x6a0
[  643.344958]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  643.350489]  ? check_preemption_disabled+0x48/0x280
[  643.355519]  filemap_fault+0x1595/0x25f0
[  643.359584]  ? __lock_page_or_retry+0xa00/0xa00
[  643.364249]  ? mark_held_locks+0x130/0x130
[  643.368488]  ? filemap_map_pages+0xd6b/0x1a20
[  643.372982]  ? lock_downgrade+0x900/0x900
[  643.377145]  ? check_preemption_disabled+0x48/0x280
[  643.382162]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  643.387112]  ? kasan_check_read+0x11/0x20
[  643.391258]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  643.396526]  ? rcu_softirq_qs+0x20/0x20
[  643.400517]  ? filemap_map_pages+0xd92/0x1a20
[  643.405012]  ? queue_work_on+0x12c/0x1e0
[  643.409073]  ? find_get_entries_tag+0x1400/0x1400
[  643.413950]  ? debug_object_destroy+0x2b0/0x2b0
[  643.418615]  ? lock_pi_update_atomic+0x150/0x150
[  643.423376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.428933]  ? lock_acquire+0x1ed/0x520
[  643.432917]  ? ext4_filemap_fault+0x7a/0xad
[  643.437255]  ? lock_release+0xa00/0xa00
[  643.441233]  ? perf_trace_sched_process_exec+0x860/0x860
[  643.446678]  ? print_usage_bug+0xc0/0xc0
[  643.450740]  ? print_usage_bug+0xc0/0xc0
[  643.454823]  ? down_read+0x8d/0x120
[  643.458444]  ? ext4_filemap_fault+0x7a/0xad
[  643.462767]  ? __down_interruptible+0x700/0x700
[  643.467440]  ext4_filemap_fault+0x82/0xad
[  643.471619]  __do_fault+0x100/0x6b0
[  643.475244]  ? find_held_lock+0x36/0x1c0
[  643.479302]  ? pmd_devmap_trans_unstable+0x220/0x220
[  643.484405]  ? mark_held_locks+0x130/0x130
[  643.488646]  ? mark_held_locks+0x130/0x130
[  643.492891]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  643.498431]  __handle_mm_fault+0x3ea0/0x5be0
[  643.502833]  ? perf_trace_lock+0x7a0/0x7a0
[  643.507070]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  643.511925]  ? __switch_to_asm+0x34/0x70
[  643.515983]  ? __switch_to_asm+0x34/0x70
[  643.520052]  ? zap_class+0x640/0x640
[  643.523763]  ? zap_class+0x640/0x640
[  643.527572]  ? __x64_sys_futex+0x53e/0x6a0
[  643.531804]  ? find_held_lock+0x36/0x1c0
[  643.535868]  ? handle_mm_fault+0x42a/0xc70
[  643.540097]  ? lock_downgrade+0x900/0x900
[  643.544243]  ? check_preemption_disabled+0x48/0x280
[  643.549253]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  643.554192]  ? kasan_check_read+0x11/0x20
[  643.558345]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  643.563628]  ? rcu_softirq_qs+0x20/0x20
[  643.567598]  ? trace_hardirqs_off_caller+0x310/0x310
[  643.572706]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  643.578240]  ? check_preemption_disabled+0x48/0x280
[  643.583255]  handle_mm_fault+0x54f/0xc70
[  643.587316]  ? __handle_mm_fault+0x5be0/0x5be0
[  643.591895]  ? find_vma+0x34/0x190
[  643.595443]  __do_page_fault+0x5e8/0xe60
[  643.599506]  ? trace_hardirqs_off+0xb8/0x310
[  643.603922]  do_page_fault+0xf2/0x7e0
[  643.607737]  ? vmalloc_sync_all+0x30/0x30
[  643.611885]  ? error_entry+0x70/0xd0
[  643.615603]  ? trace_hardirqs_off_caller+0xbb/0x310
[  643.620635]  ? trace_hardirqs_on_caller+0xc0/0x310
[  643.625558]  ? syscall_return_slowpath+0x5e0/0x5e0
[  643.630482]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  643.635318]  ? trace_hardirqs_on_caller+0x310/0x310
[  643.640327]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  643.645777]  ? prepare_exit_to_usermode+0x291/0x3b0
[  643.650783]  ? page_fault+0x8/0x30
[  643.654352]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  643.659193]  ? page_fault+0x8/0x30
[  643.662729]  page_fault+0x1e/0x30
[  643.666172] RIP: 0033:0x40f9c0
[  643.669379] Code: Bad RIP value.
[  643.672738] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  643.678094] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  643.685363] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  643.692639] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  643.699903] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  643.707266] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  643.714550] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  643.714555] warn_alloc_show_mem: 1 callbacks suppressed
[  643.714560] Mem-Info:
[  643.721940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  643.727305] active_anon:54071 inactive_anon:192 isolated_anon:0
[  643.727305]  active_file:13 inactive_file:14 isolated_file:0
[  643.727305]  unevictable:0 dirty:0 writeback:0 unstable:0
[  643.727305]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  643.727305]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  643.727305]  free:13779 free_pcp:228 free_cma:0
[  643.729673] Call Trace:
[  643.739044] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  643.772014]  <IRQ>
[  643.774575] 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
[  643.802063]  dump_stack+0x244/0x39d
[  643.804182] lowmem_reserve[]: 0 2818 6321 6321
[  643.830287]  ? dump_stack_print_info.cold.1+0x20/0x20
[  643.833886] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  643.838472]  warn_alloc.cold.116+0xb7/0x1bd
[  643.843622] lowmem_reserve[]: 0 0 3503 3503
[  643.871117]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  643.875409] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  643.879739]  ? lock_downgrade+0x900/0x900
[  643.884551] lowmem_reserve[]: 0 0 0 0
[  643.913533]  ? trace_hardirqs_off+0xb8/0x310
[  643.917651] 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
[  643.921450]  ? trace_hardirqs_off+0xb8/0x310
[  643.925827] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  643.939344]  __alloc_pages_slowpath+0x2651/0x2de0
[  643.943727] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  643.961456]  ? warn_alloc+0x120/0x120
[  643.966427] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  643.982021]  ? print_usage_bug+0xc0/0xc0
[  643.985796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  643.994630]  ? warn_alloc+0x120/0x120
[  643.998750] 271 total pagecache pages
[  644.007316]  ? warn_alloc+0x120/0x120
[  644.011110] 0 pages in swap cache
[  644.014895]  ? print_usage_bug+0xc0/0xc0
[  644.018668] Swap cache stats: add 0, delete 0, find 0/0
[  644.022104]  ? kvm_clock_read+0x18/0x30
[  644.026133] Free swap  = 0kB
[  644.031491]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  644.035435] Total swap = 0kB
[  644.038441]  ? print_usage_bug+0xc0/0xc0
[  644.043431] 1965979 pages RAM
[  644.046439]  ? __lock_acquire+0x62f/0x4c20
[  644.050469] 0 pages HighMem/MovableOnly
[  644.053567]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  644.057767] 342854 pages reserved
[  644.057774] 0 pages cma reserved
[  644.061747]  ? should_fail+0x22d/0xd01
[  644.067421] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  644.070698]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  644.074034] syz-fuzzer cpuset=/ mems_allowed=0
[  644.077917]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  644.103116]  ? __lock_acquire+0x62f/0x4c20
[  644.107353]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  644.112451]  ? __lock_acquire+0x62f/0x4c20
[  644.116675]  ? should_fail+0x22d/0xd01
[  644.120552]  ? rcu_irq_exit+0x1a2/0x390
[  644.124538]  ? mark_held_locks+0x130/0x130
[  644.128774]  ? mark_held_locks+0x130/0x130
[  644.133007]  ? mark_held_locks+0xc7/0x130
[  644.137171]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  644.142193]  ? zap_class+0x640/0x640
[  644.145909]  ? print_usage_bug+0xc0/0xc0
[  644.149967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.155521]  ? check_preemption_disabled+0x48/0x280
[  644.160541]  ? __lock_is_held+0xb5/0x140
[  644.164606]  __alloc_pages_nodemask+0xad8/0xea0
[  644.169284]  ? zap_class+0x640/0x640
[  644.173000]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  644.178036]  ? find_held_lock+0x36/0x1c0
[  644.182102]  ? ____cache_alloc_node+0x1c7/0x1e0
[  644.186783]  ? lock_downgrade+0x900/0x900
[  644.190934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.196476]  cache_grow_begin+0xa5/0x8c0
[  644.200534]  ? do_raw_spin_unlock+0xa7/0x330
[  644.204947]  fallback_alloc+0x204/0x2e0
[  644.208934]  ____cache_alloc_node+0x1c7/0x1e0
[  644.213433]  kmem_cache_alloc_node+0xe3/0x730
[  644.217973]  ? ipv6_get_ifaddr+0x42e/0x620
[  644.222216]  __alloc_skb+0x119/0x770
[  644.225955]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  644.231236]  ? netdev_alloc_frag+0x1f0/0x1f0
[  644.235641]  ? lock_downgrade+0x900/0x900
[  644.239788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.245454]  ? refcount_sub_and_test_checked+0x203/0x310
[  644.250912]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  644.256357]  ? addrconf_rs_timer+0x690/0x690
[  644.260769]  ndisc_alloc_skb+0x144/0x340
[  644.264828]  ndisc_send_rs+0x331/0x6e0
[  644.268809]  addrconf_rs_timer+0x314/0x690
[  644.273048]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  644.277288]  call_timer_fn+0x272/0x920
[  644.281190]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  644.285424]  ? process_timeout+0x40/0x40
[  644.289500]  ? __run_timers+0x7da/0xc70
[  644.293486]  ? _raw_spin_unlock_irq+0x27/0x80
[  644.297975]  ? _raw_spin_unlock_irq+0x27/0x80
[  644.302461]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  644.306694]  ? lockdep_hardirqs_on+0x296/0x5b0
[  644.311290]  ? trace_hardirqs_on+0xbd/0x310
[  644.315722]  ? kasan_check_read+0x11/0x20
[  644.319953]  ? __run_timers+0x7da/0xc70
[  644.323924]  ? trace_hardirqs_off_caller+0x310/0x310
[  644.329038]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  644.333354]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  644.337578]  __run_timers+0x7e5/0xc70
[  644.341383]  ? timer_fixup_init+0x70/0x70
[  644.345526]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  644.350536]  ? zap_class+0x640/0x640
[  644.354254]  ? enqueue_hrtimer+0x1a5/0x560
[  644.358503]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  644.363695]  ? find_held_lock+0x36/0x1c0
[  644.367754]  ? zap_class+0x640/0x640
[  644.371465]  ? pvclock_read_flags+0x160/0x160
[  644.375956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.381495]  ? check_preemption_disabled+0x48/0x280
[  644.386526]  ? __lock_is_held+0xb5/0x140
[  644.390585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.396115]  ? check_preemption_disabled+0x48/0x280
[  644.401239]  run_timer_softirq+0x52/0xb0
[  644.405298]  ? rcu_read_lock_sched_held+0x14f/0x180
[  644.410314]  __do_softirq+0x308/0xb7e
[  644.414112]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  644.418622]  ? lock_downgrade+0x900/0x900
[  644.422772]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  644.427878]  ? pvclock_read_flags+0x160/0x160
[  644.432381]  ? lapic_next_event+0x5a/0x90
[  644.436548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.442084]  ? kvm_clock_read+0x18/0x30
[  644.446073]  ? kvm_sched_clock_read+0x9/0x20
[  644.450481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.456042]  ? check_preemption_disabled+0x48/0x280
[  644.461063]  irq_exit+0x17f/0x1c0
[  644.464600]  smp_apic_timer_interrupt+0x1cb/0x760
[  644.469450]  ? smp_reschedule_interrupt+0x109/0x650
[  644.474466]  ? smp_call_function_single_interrupt+0x650/0x650
[  644.480344]  ? interrupt_entry+0xb5/0xc0
[  644.484403]  ? trace_hardirqs_off_caller+0xbb/0x310
[  644.489422]  ? trace_hardirqs_off_caller+0xbb/0x310
[  644.494450]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  644.499292]  ? trace_hardirqs_on_caller+0x310/0x310
[  644.504316]  ? trace_hardirqs_on_caller+0x310/0x310
[  644.509325]  ? task_prio+0x50/0x50
[  644.512861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.518402]  ? check_preemption_disabled+0x48/0x280
[  644.523425]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  644.528269]  apic_timer_interrupt+0xf/0x20
[  644.532496]  </IRQ>
[  644.534731] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  644.539659] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  644.558553] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  644.566271] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  644.573533] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  644.580818] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  644.588079] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  644.595341] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  644.602632]  skb_clone+0x1bb/0x500
[  644.606167]  ? finish_task_switch+0x1b4/0x910
[  644.610655]  ? skb_split+0x11e0/0x11e0
[  644.614535]  ? preempt_notifier_register+0x200/0x200
[  644.619909]  ? __switch_to_asm+0x34/0x70
[  644.623961]  ? __switch_to_asm+0x34/0x70
[  644.628031]  ? __switch_to_asm+0x40/0x70
[  644.632087]  ? __switch_to_asm+0x34/0x70
[  644.636141]  ? __switch_to_asm+0x40/0x70
[  644.640195]  ? __switch_to_asm+0x34/0x70
[  644.644244]  ? __switch_to_asm+0x40/0x70
[  644.648317]  ? __switch_to_asm+0x34/0x70
[  644.652383]  ? __switch_to_asm+0x34/0x70
[  644.656788]  ? __switch_to_asm+0x40/0x70
[  644.660843]  ? __switch_to_asm+0x34/0x70
[  644.664939]  bpf_clone_redirect+0xb9/0x490
[  644.669166]  ? __schedule+0x8d7/0x21d0
[  644.673064]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  644.678081]  ? __sched_text_start+0x8/0x8
[  644.682320]  ? retint_kernel+0x2d/0x2d
[  644.686220]  ? find_held_lock+0x36/0x1c0
[  644.690284]  ? lock_acquire+0x1ed/0x520
[  644.694405]  ? bpf_test_run+0x3cb/0x780
[  644.698378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.703909]  ? check_preemption_disabled+0x48/0x280
[  644.708926]  ? kasan_check_read+0x11/0x20
[  644.713071]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  644.718342]  ? rcu_softirq_qs+0x20/0x20
[  644.722335]  ? preempt_schedule+0x4d/0x60
[  644.726482]  ? ___preempt_schedule+0x16/0x18
[  644.730905]  ? bpf_test_run+0x25d/0x780
[  644.734890]  ? netlink_diag_dump+0x2a0/0x2a0
[  644.739300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  644.744849]  ? bpf_test_init.isra.10+0x70/0x100
[  644.749531]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  644.754295]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  644.759130]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  644.764767]  ? fput+0x130/0x1a0
[  644.768047]  ? __bpf_prog_get+0x9b/0x290
[  644.772109]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  644.776949]  ? bpf_prog_test_run+0x130/0x1a0
[  644.781364]  ? __x64_sys_bpf+0x3db/0x520
[  644.785423]  ? bpf_prog_get+0x20/0x20
[  644.789236]  ? do_syscall_64+0x1b9/0x820
[  644.793295]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  644.798656]  ? syscall_return_slowpath+0x5e0/0x5e0
[  644.803583]  ? trace_hardirqs_on_caller+0x310/0x310
[  644.808596]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  644.813608]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  644.820271]  ? __switch_to_asm+0x40/0x70
[  644.824861]  ? __switch_to_asm+0x34/0x70
[  644.828936]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  644.833781]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  644.839154] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  644.839258] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  644.846170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  644.846174] Call Trace:
[  644.846181]  <IRQ>
[  644.846199]  dump_stack+0x244/0x39d
[  644.846241]  ? dump_stack_print_info.cold.1+0x20/0x20
[  644.852903] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  644.862167]  warn_alloc.cold.116+0xb7/0x1bd
[  644.864713] syz-executor5 cpuset=syz5 mems_allowed=0
[  644.866852]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  644.900413]  ? lock_downgrade+0x900/0x900
[  644.904565]  ? trace_hardirqs_off+0xb8/0x310
[  644.908983]  ? trace_hardirqs_off+0xb8/0x310
[  644.913393]  __alloc_pages_slowpath+0x2651/0x2de0
[  644.918246]  ? warn_alloc+0x120/0x120
[  644.922039]  ? warn_alloc+0x120/0x120
[  644.925832]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  644.930841]  ? warn_alloc+0x120/0x120
[  644.934663]  ? print_usage_bug+0xc0/0xc0
[  644.938737]  ? print_usage_bug+0xc0/0xc0
[  644.942805]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  644.947997]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  644.953530]  ? should_fail+0x22d/0xd01
[  644.957429]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  644.962528]  ? __lock_acquire+0x62f/0x4c20
[  644.966773]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  644.971879]  ? should_fail+0x22d/0xd01
[  644.975772]  ? mark_held_locks+0x130/0x130
[  644.980013]  ? mark_held_locks+0x130/0x130
[  644.984243]  ? print_usage_bug+0xc0/0xc0
[  644.988302]  ? find_held_lock+0x36/0x1c0
[  644.992374]  ? zap_class+0x640/0x640
[  644.996087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.001624]  ? check_preemption_disabled+0x48/0x280
[  645.006656]  ? __lock_is_held+0xb5/0x140
[  645.010721]  __alloc_pages_nodemask+0xad8/0xea0
[  645.015386]  ? zap_class+0x640/0x640
[  645.019099]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  645.024118]  ? find_held_lock+0x36/0x1c0
[  645.028274]  ? ____cache_alloc_node+0x1c7/0x1e0
[  645.033041]  ? lock_downgrade+0x900/0x900
[  645.037190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.042727]  cache_grow_begin+0xa5/0x8c0
[  645.046796]  ? do_raw_spin_unlock+0xa7/0x330
[  645.051207]  fallback_alloc+0x204/0x2e0
[  645.055182]  ____cache_alloc_node+0x1c7/0x1e0
[  645.059797]  kmem_cache_alloc_node+0xe3/0x730
[  645.064285]  ? mark_held_locks+0xc7/0x130
[  645.068455]  __alloc_skb+0x119/0x770
[  645.072170]  ? netdev_alloc_frag+0x1f0/0x1f0
[  645.076574]  ? do_raw_spin_trylock+0x270/0x270
[  645.081165]  ? kmem_cache_alloc_trace+0x353/0x750
[  645.086012]  ? queue_work_on+0x12c/0x1e0
[  645.090074]  ? switchdev_port_obj_del+0xe3/0x450
[  645.094841]  ? switchdev_trans_item_enqueue+0x260/0x260
[  645.100218]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  645.105239]  __br_mdb_notify+0x4ff/0x15d0
[  645.109391]  ? __br_mdb_add+0x7f0/0x7f0
[  645.113383]  ? zap_class+0x640/0x640
[  645.117100]  ? br_multicast_group_expired+0x96/0x610
[  645.122197]  ? lock_downgrade+0x900/0x900
[  645.126360]  br_mdb_notify+0x310/0x410
[  645.130244]  ? br_mdb_dump+0x27b0/0x27b0
[  645.134307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.139854]  br_multicast_group_expired+0x1bc/0x610
[  645.144881]  ? br_mdb_free+0x80/0x80
[  645.148624]  call_timer_fn+0x272/0x920
[  645.152524]  ? br_mdb_free+0x80/0x80
[  645.156235]  ? process_timeout+0x40/0x40
[  645.160299]  ? mark_held_locks+0xc7/0x130
[  645.164446]  ? _raw_spin_unlock_irq+0x27/0x80
[  645.168935]  ? _raw_spin_unlock_irq+0x27/0x80
[  645.173433]  ? br_mdb_free+0x80/0x80
[  645.177162]  ? lockdep_hardirqs_on+0x296/0x5b0
[  645.181739]  ? trace_hardirqs_on+0xbd/0x310
[  645.186056]  ? kasan_check_read+0x11/0x20
[  645.190198]  ? __run_timers+0x7da/0xc70
[  645.194182]  ? trace_hardirqs_off_caller+0x310/0x310
[  645.199285]  ? br_mdb_free+0x80/0x80
[  645.203005]  ? br_mdb_free+0x80/0x80
[  645.206714]  __run_timers+0x7e5/0xc70
[  645.210519]  ? timer_fixup_init+0x70/0x70
[  645.214673]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  645.219690]  ? zap_class+0x640/0x640
[  645.223407]  ? print_usage_bug+0xc0/0xc0
[  645.227473]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  645.232665]  ? find_held_lock+0x36/0x1c0
[  645.236728]  ? zap_class+0x640/0x640
[  645.240464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.246000]  ? check_preemption_disabled+0x48/0x280
[  645.251016]  ? __lock_is_held+0xb5/0x140
[  645.255093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.260632]  ? check_preemption_disabled+0x48/0x280
[  645.265651]  run_timer_softirq+0x52/0xb0
[  645.269709]  ? rcu_read_lock_sched_held+0x14f/0x180
[  645.274720]  __do_softirq+0x308/0xb7e
[  645.278606]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  645.283186]  ? lock_downgrade+0x900/0x900
[  645.287333]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  645.292444]  ? pvclock_read_flags+0x160/0x160
[  645.296935]  ? lapic_next_event+0x5a/0x90
[  645.301091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.306635]  ? kvm_clock_read+0x18/0x30
[  645.310605]  ? kvm_sched_clock_read+0x9/0x20
[  645.315015]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  645.320550]  ? check_preemption_disabled+0x48/0x280
[  645.325609]  irq_exit+0x17f/0x1c0
[  645.329057]  smp_apic_timer_interrupt+0x1cb/0x760
[  645.333897]  ? smp_reschedule_interrupt+0x109/0x650
[  645.338914]  ? smp_call_function_single_interrupt+0x650/0x650
[  645.344817]  ? interrupt_entry+0xb5/0xc0
[  645.348880]  ? trace_hardirqs_off_caller+0xbb/0x310
[  645.353891]  ? trace_hardirqs_off_caller+0xbb/0x310
[  645.358918]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  645.363755]  ? trace_hardirqs_on_caller+0x310/0x310
[  645.368763]  ? trace_hardirqs_on_caller+0x310/0x310
[  645.373775]  ? task_prio+0x50/0x50
[  645.377310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.382843]  ? check_preemption_disabled+0x48/0x280
[  645.387874]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  645.392723]  apic_timer_interrupt+0xf/0x20
[  645.396960]  </IRQ>
[  645.399206] RIP: 0010:dump_stack+0x358/0x39d
[  645.403610] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  645.422508] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  645.430210] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  645.437473] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  645.444737] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  645.452000] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  645.459264] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  645.466639]  ? dump_stack+0x34f/0x39d
[  645.470462]  ? dump_stack_print_info.cold.1+0x20/0x20
[  645.475652]  ? mark_held_locks+0x130/0x130
[  645.479884]  ? mark_held_locks+0x130/0x130
[  645.484121]  dump_header+0x27b/0xf72
[  645.487840]  ? pagefault_out_of_memory+0x197/0x197
[  645.492780]  ? __lock_acquire+0x62f/0x4c20
[  645.497011]  ? percpu_ref_get_many+0x240/0x240
[  645.501592]  ? print_usage_bug+0xc0/0xc0
[  645.505652]  ? zap_class+0x640/0x640
[  645.509362]  ? print_usage_bug+0xc0/0xc0
[  645.513415]  ? print_usage_bug+0xc0/0xc0
[  645.517468]  ? zap_class+0x640/0x640
[  645.521228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.526757]  ? find_held_lock+0x36/0x1c0
[  645.530822]  ? mark_held_locks+0xc7/0x130
[  645.534990]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  645.540110]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  645.545217]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  645.549794]  ? trace_hardirqs_on+0xbd/0x310
[  645.554107]  ? kasan_check_read+0x11/0x20
[  645.558266]  ? ___ratelimit+0x3b4/0x672
[  645.562234]  ? trace_hardirqs_off_caller+0x310/0x310
[  645.567326]  ? trace_hardirqs_on+0x310/0x310
[  645.571736]  ? lock_downgrade+0x900/0x900
[  645.575909]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  645.581007]  ? ___ratelimit+0x3b9/0x672
[  645.584980]  ? idr_get_free+0xf70/0xf70
[  645.588954]  ? find_held_lock+0x36/0x1c0
[  645.593015]  oom_kill_process.cold.27+0x10/0x903
[  645.597763]  ? zap_class+0x640/0x640
[  645.601476]  ? check_preemption_disabled+0x48/0x280
[  645.606506]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  645.611427]  ? kasan_check_read+0x11/0x20
[  645.615567]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  645.620841]  ? oom_evaluate_task+0x540/0x540
[  645.625270]  ? find_held_lock+0x36/0x1c0
[  645.629330]  ? out_of_memory+0x974/0x1430
[  645.633475]  ? lock_downgrade+0x900/0x900
[  645.637616]  ? check_preemption_disabled+0x48/0x280
[  645.642644]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  645.647569]  ? kasan_check_read+0x11/0x20
[  645.651709]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  645.656990]  ? rcu_softirq_qs+0x20/0x20
[  645.660966]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  645.666499]  ? oom_evaluate_task+0x302/0x540
[  645.671015]  out_of_memory+0xa84/0x1430
[  645.674999]  ? oom_killer_disable+0x3a0/0x3a0
[  645.679509]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  645.684436]  ? __ww_mutex_check_waiters+0x160/0x160
[  645.689469]  __alloc_pages_slowpath+0x232c/0x2de0
[  645.694342]  ? warn_alloc+0x120/0x120
[  645.698134]  ? mark_held_locks+0x130/0x130
[  645.702372]  ? find_get_entry+0xaae/0x1120
[  645.706607]  ? filemap_map_pages+0x1a20/0x1a20
[  645.711188]  ? zap_class+0x640/0x640
[  645.714903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.720436]  ? check_preemption_disabled+0x48/0x280
[  645.725448]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  645.730980]  ? should_fail+0x22d/0xd01
[  645.734872]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  645.739982]  ? zap_class+0x640/0x640
[  645.743710]  ? __lock_is_held+0xb5/0x140
[  645.747772]  ? mark_held_locks+0x130/0x130
[  645.752004]  ? lock_release+0xa00/0xa00
[  645.755994]  ? perf_trace_sched_process_exec+0x860/0x860
[  645.761440]  ? xa_load+0x2ba/0x460
[  645.764994]  ? lock_downgrade+0x900/0x900
[  645.769160]  ? __might_sleep+0x95/0x190
[  645.773135]  __alloc_pages_nodemask+0xad8/0xea0
[  645.777807]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  645.782819]  ? __page_cache_alloc+0x191/0x5c0
[  645.787314]  ? xa_load+0x2e1/0x460
[  645.790875]  ? xa_clear_mark+0x40/0x40
[  645.794761]  ? zap_class+0x640/0x640
[  645.798473]  ? zap_class+0x640/0x640
[  645.802193]  ? zap_class+0x640/0x640
[  645.805909]  ? zap_class+0x640/0x640
[  645.809619]  ? __do_page_cache_readahead+0x663/0x810
[  645.814727]  ? find_held_lock+0x36/0x1c0
[  645.818791]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  645.824334]  alloc_pages_current+0x173/0x350
[  645.828825]  __page_cache_alloc+0x38c/0x5c0
[  645.833142]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  645.838063]  ? kasan_check_read+0x11/0x20
[  645.842201]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  645.847477]  ? generic_perform_write+0x6a0/0x6a0
[  645.852234]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  645.857766]  ? check_preemption_disabled+0x48/0x280
[  645.862780]  filemap_fault+0x1595/0x25f0
[  645.866854]  ? __lock_page_or_retry+0xa00/0xa00
[  645.871526]  ? mark_held_locks+0x130/0x130
[  645.875761]  ? filemap_map_pages+0xd6b/0x1a20
[  645.880260]  ? lock_downgrade+0x900/0x900
[  645.884409]  ? check_preemption_disabled+0x48/0x280
[  645.889423]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  645.894373]  ? kasan_check_read+0x11/0x20
[  645.898531]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  645.903814]  ? rcu_softirq_qs+0x20/0x20
[  645.907796]  ? filemap_map_pages+0xd92/0x1a20
[  645.912297]  ? queue_work_on+0x12c/0x1e0
[  645.916360]  ? find_get_entries_tag+0x1400/0x1400
[  645.921200]  ? debug_object_destroy+0x2b0/0x2b0
[  645.925872]  ? lock_pi_update_atomic+0x150/0x150
[  645.930627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.936174]  ? lock_acquire+0x1ed/0x520
[  645.940142]  ? ext4_filemap_fault+0x7a/0xad
[  645.944477]  ? lock_release+0xa00/0xa00
[  645.948469]  ? perf_trace_sched_process_exec+0x860/0x860
[  645.953931]  ? print_usage_bug+0xc0/0xc0
[  645.957986]  ? print_usage_bug+0xc0/0xc0
[  645.962050]  ? down_read+0x8d/0x120
[  645.965666]  ? ext4_filemap_fault+0x7a/0xad
[  645.969982]  ? __down_interruptible+0x700/0x700
[  645.974651]  ext4_filemap_fault+0x82/0xad
[  645.978798]  __do_fault+0x100/0x6b0
[  645.982420]  ? find_held_lock+0x36/0x1c0
[  645.986484]  ? pmd_devmap_trans_unstable+0x220/0x220
[  645.991583]  ? mark_held_locks+0x130/0x130
[  645.995813]  ? mark_held_locks+0x130/0x130
[  646.000056]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  646.005590]  __handle_mm_fault+0x3ea0/0x5be0
[  646.010004]  ? perf_trace_lock+0x7a0/0x7a0
[  646.014235]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  646.019073]  ? __switch_to_asm+0x34/0x70
[  646.023143]  ? __switch_to_asm+0x34/0x70
[  646.027209]  ? zap_class+0x640/0x640
[  646.030914]  ? zap_class+0x640/0x640
[  646.034618]  ? __x64_sys_futex+0x53e/0x6a0
[  646.038852]  ? find_held_lock+0x36/0x1c0
[  646.042915]  ? handle_mm_fault+0x42a/0xc70
[  646.047146]  ? lock_downgrade+0x900/0x900
[  646.051287]  ? check_preemption_disabled+0x48/0x280
[  646.056321]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  646.061245]  ? kasan_check_read+0x11/0x20
[  646.065390]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  646.070658]  ? rcu_softirq_qs+0x20/0x20
[  646.074628]  ? trace_hardirqs_off_caller+0x310/0x310
[  646.079721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  646.085252]  ? check_preemption_disabled+0x48/0x280
[  646.090295]  handle_mm_fault+0x54f/0xc70
[  646.094351]  ? __handle_mm_fault+0x5be0/0x5be0
[  646.098931]  ? find_vma+0x34/0x190
[  646.102474]  __do_page_fault+0x5e8/0xe60
[  646.106543]  ? trace_hardirqs_off+0xb8/0x310
[  646.110955]  do_page_fault+0xf2/0x7e0
[  646.114855]  ? vmalloc_sync_all+0x30/0x30
[  646.119003]  ? error_entry+0x70/0xd0
[  646.122715]  ? trace_hardirqs_off_caller+0xbb/0x310
[  646.127723]  ? trace_hardirqs_on_caller+0xc0/0x310
[  646.132645]  ? syscall_return_slowpath+0x5e0/0x5e0
[  646.137566]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  646.142400]  ? trace_hardirqs_on_caller+0x310/0x310
[  646.147410]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  646.152867]  ? prepare_exit_to_usermode+0x291/0x3b0
[  646.157882]  ? page_fault+0x8/0x30
[  646.161421]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  646.166350]  ? page_fault+0x8/0x30
[  646.169916]  page_fault+0x1e/0x30
[  646.173368] RIP: 0033:0x40f9c0
[  646.176567] Code: Bad RIP value.
[  646.179921] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  646.185273] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  646.192537] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  646.199815] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  646.207194] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  646.214457] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  646.221774] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  646.221779] warn_alloc_show_mem: 1 callbacks suppressed
[  646.221785] Mem-Info:
[  646.229049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  646.229056] Call Trace:
[  646.234520] active_anon:54071 inactive_anon:192 isolated_anon:0
[  646.234520]  active_file:13 inactive_file:14 isolated_file:0
[  646.234520]  unevictable:0 dirty:0 writeback:0 unstable:0
[  646.234520]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  646.234520]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  646.234520]  free:13779 free_pcp:228 free_cma:0
[  646.236888]  <IRQ>
[  646.246262] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  646.248843]  dump_stack+0x244/0x39d
[  646.282492] 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
[  646.284640]  ? dump_stack_print_info.cold.1+0x20/0x20
[  646.312120] lowmem_reserve[]: 0 2818 6321 6321
[  646.315755]  warn_alloc.cold.116+0xb7/0x1bd
[  646.341825] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  646.347005]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  646.351554] lowmem_reserve[]: 0 0 3503 3503
[  646.355872]  ? lock_downgrade+0x900/0x900
[  646.383438] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  646.388279]  ? trace_hardirqs_off+0xb8/0x310
[  646.392561] lowmem_reserve[]: 0 0 0 0
[  646.396814]  ? trace_hardirqs_off+0xb8/0x310
[  646.425755] 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
[  646.430161]  __alloc_pages_slowpath+0x2651/0x2de0
[  646.433928] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  646.438345]  ? warn_alloc+0x120/0x120
[  646.452010] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  646.456859]  ? print_usage_bug+0xc0/0xc0
[  646.472703] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  646.476485]  ? warn_alloc+0x120/0x120
[  646.492083] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  646.496127]  ? warn_alloc+0x120/0x120
[  646.504933] 271 total pagecache pages
[  646.508735]  ? print_usage_bug+0xc0/0xc0
[  646.517290] 0 pages in swap cache
[  646.521079]  ? kvm_clock_read+0x18/0x30
[  646.524859] Swap cache stats: add 0, delete 0, find 0/0
[  646.528918]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  646.532341] Free swap  = 0kB
[  646.536304]  ? print_usage_bug+0xc0/0xc0
[  646.541657] Total swap = 0kB
[  646.546674]  ? __lock_acquire+0x62f/0x4c20
[  646.549665] 1965979 pages RAM
[  646.553718]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  646.556699] 0 pages HighMem/MovableOnly
[  646.556705] 342854 pages reserved
[  646.560925]  ? should_fail+0x22d/0xd01
[  646.564124] 0 pages cma reserved
[  646.569663]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  646.573889] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  646.577049]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  646.580916] syz-fuzzer cpuset=/ mems_allowed=0
[  646.584270]  ? __lock_acquire+0x62f/0x4c20
[  646.613620]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  646.618803]  ? __lock_acquire+0x62f/0x4c20
[  646.623040]  ? should_fail+0x22d/0xd01
[  646.626923]  ? rcu_irq_exit+0x1a2/0x390
[  646.630901]  ? mark_held_locks+0x130/0x130
[  646.635147]  ? mark_held_locks+0x130/0x130
[  646.639387]  ? mark_held_locks+0xc7/0x130
[  646.643532]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  646.648543]  ? zap_class+0x640/0x640
[  646.652248]  ? print_usage_bug+0xc0/0xc0
[  646.656694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.662224]  ? check_preemption_disabled+0x48/0x280
[  646.667242]  ? __lock_is_held+0xb5/0x140
[  646.671301]  __alloc_pages_nodemask+0xad8/0xea0
[  646.675964]  ? zap_class+0x640/0x640
[  646.679683]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  646.684715]  ? find_held_lock+0x36/0x1c0
[  646.688775]  ? ____cache_alloc_node+0x1c7/0x1e0
[  646.693438]  ? lock_downgrade+0x900/0x900
[  646.697598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.703134]  cache_grow_begin+0xa5/0x8c0
[  646.707189]  ? do_raw_spin_unlock+0xa7/0x330
[  646.711596]  fallback_alloc+0x204/0x2e0
[  646.715571]  ____cache_alloc_node+0x1c7/0x1e0
[  646.720068]  kmem_cache_alloc_node+0xe3/0x730
[  646.724560]  ? ipv6_get_ifaddr+0x42e/0x620
[  646.728803]  __alloc_skb+0x119/0x770
[  646.732530]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  646.737810]  ? netdev_alloc_frag+0x1f0/0x1f0
[  646.742256]  ? lock_downgrade+0x900/0x900
[  646.746407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.751938]  ? refcount_sub_and_test_checked+0x203/0x310
[  646.757419]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  646.762862]  ? addrconf_rs_timer+0x690/0x690
[  646.767297]  ndisc_alloc_skb+0x144/0x340
[  646.771356]  ndisc_send_rs+0x331/0x6e0
[  646.775257]  addrconf_rs_timer+0x314/0x690
[  646.779490]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  646.783726]  call_timer_fn+0x272/0x920
[  646.787602]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  646.791849]  ? process_timeout+0x40/0x40
[  646.795910]  ? __run_timers+0x7da/0xc70
[  646.799906]  ? _raw_spin_unlock_irq+0x27/0x80
[  646.804395]  ? _raw_spin_unlock_irq+0x27/0x80
[  646.808883]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  646.813116]  ? lockdep_hardirqs_on+0x296/0x5b0
[  646.817695]  ? trace_hardirqs_on+0xbd/0x310
[  646.822081]  ? kasan_check_read+0x11/0x20
[  646.826918]  ? __run_timers+0x7da/0xc70
[  646.830897]  ? trace_hardirqs_off_caller+0x310/0x310
[  646.836000]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  646.840235]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  646.844460]  __run_timers+0x7e5/0xc70
[  646.848264]  ? timer_fixup_init+0x70/0x70
[  646.852411]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  646.857420]  ? zap_class+0x640/0x640
[  646.861145]  ? enqueue_hrtimer+0x1a5/0x560
[  646.865379]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  646.870584]  ? find_held_lock+0x36/0x1c0
[  646.874647]  ? zap_class+0x640/0x640
[  646.878366]  ? pvclock_read_flags+0x160/0x160
[  646.882860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.888394]  ? check_preemption_disabled+0x48/0x280
[  646.893410]  ? __lock_is_held+0xb5/0x140
[  646.897482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.903014]  ? check_preemption_disabled+0x48/0x280
[  646.908031]  run_timer_softirq+0x52/0xb0
[  646.912086]  ? rcu_read_lock_sched_held+0x14f/0x180
[  646.917104]  __do_softirq+0x308/0xb7e
[  646.920908]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  646.925397]  ? lock_downgrade+0x900/0x900
[  646.929550]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  646.934657]  ? pvclock_read_flags+0x160/0x160
[  646.939152]  ? lapic_next_event+0x5a/0x90
[  646.943296]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.948839]  ? kvm_clock_read+0x18/0x30
[  646.952807]  ? kvm_sched_clock_read+0x9/0x20
[  646.957218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.962758]  ? check_preemption_disabled+0x48/0x280
[  646.967780]  irq_exit+0x17f/0x1c0
[  646.971235]  smp_apic_timer_interrupt+0x1cb/0x760
[  646.976073]  ? smp_reschedule_interrupt+0x109/0x650
[  646.981090]  ? smp_call_function_single_interrupt+0x650/0x650
[  646.986973]  ? interrupt_entry+0xb5/0xc0
[  646.991042]  ? trace_hardirqs_off_caller+0xbb/0x310
[  646.996054]  ? trace_hardirqs_off_caller+0xbb/0x310
[  647.001068]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  647.005906]  ? trace_hardirqs_on_caller+0x310/0x310
[  647.010922]  ? trace_hardirqs_on_caller+0x310/0x310
[  647.015933]  ? task_prio+0x50/0x50
[  647.019484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.025019]  ? check_preemption_disabled+0x48/0x280
[  647.030039]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  647.034886]  apic_timer_interrupt+0xf/0x20
[  647.039121]  </IRQ>
[  647.041365] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  647.046294] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  647.065189] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  647.072894] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  647.080161] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  647.087430] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  647.094693] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  647.101959] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  647.109275]  skb_clone+0x1bb/0x500
[  647.112811]  ? finish_task_switch+0x1b4/0x910
[  647.117319]  ? skb_split+0x11e0/0x11e0
[  647.121214]  ? preempt_notifier_register+0x200/0x200
[  647.126312]  ? __switch_to_asm+0x34/0x70
[  647.130377]  ? __switch_to_asm+0x34/0x70
[  647.134433]  ? __switch_to_asm+0x40/0x70
[  647.138485]  ? __switch_to_asm+0x34/0x70
[  647.142541]  ? __switch_to_asm+0x40/0x70
[  647.146594]  ? __switch_to_asm+0x34/0x70
[  647.150648]  ? __switch_to_asm+0x40/0x70
[  647.154702]  ? __switch_to_asm+0x34/0x70
[  647.158756]  ? __switch_to_asm+0x34/0x70
[  647.162810]  ? __switch_to_asm+0x40/0x70
[  647.166887]  ? __switch_to_asm+0x34/0x70
[  647.170950]  bpf_clone_redirect+0xb9/0x490
[  647.175181]  ? __schedule+0x8d7/0x21d0
[  647.179074]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  647.184096]  ? __sched_text_start+0x8/0x8
[  647.188241]  ? retint_kernel+0x2d/0x2d
[  647.192136]  ? find_held_lock+0x36/0x1c0
[  647.196217]  ? lock_acquire+0x1ed/0x520
[  647.200189]  ? bpf_test_run+0x3cb/0x780
[  647.204173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.209704]  ? check_preemption_disabled+0x48/0x280
[  647.214718]  ? kasan_check_read+0x11/0x20
[  647.218865]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  647.224140]  ? rcu_softirq_qs+0x20/0x20
[  647.228109]  ? preempt_schedule+0x4d/0x60
[  647.232249]  ? ___preempt_schedule+0x16/0x18
[  647.236653]  ? bpf_test_run+0x25d/0x780
[  647.240628]  ? netlink_diag_dump+0x2a0/0x2a0
[  647.245032]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  647.250576]  ? bpf_test_init.isra.10+0x70/0x100
[  647.255241]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  647.260014]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  647.264852]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  647.270386]  ? fput+0x130/0x1a0
[  647.273670]  ? __bpf_prog_get+0x9b/0x290
[  647.277730]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  647.282572]  ? bpf_prog_test_run+0x130/0x1a0
[  647.286977]  ? __x64_sys_bpf+0x3db/0x520
[  647.291028]  ? bpf_prog_get+0x20/0x20
[  647.294933]  ? do_syscall_64+0x1b9/0x820
[  647.298987]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  647.304346]  ? syscall_return_slowpath+0x5e0/0x5e0
[  647.309277]  ? trace_hardirqs_on_caller+0x310/0x310
[  647.314312]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  647.319325]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  647.325995]  ? __switch_to_asm+0x40/0x70
[  647.330066]  ? __switch_to_asm+0x34/0x70
[  647.334130]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  647.338973]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  647.344352] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  647.344449] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  647.351366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  647.358020] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  647.367181] Call Trace:
[  647.377643] syz-executor5 cpuset=syz5 mems_allowed=0
[  647.380205]  <IRQ>
[  647.387426]  dump_stack+0x244/0x39d
[  647.391052]  ? dump_stack_print_info.cold.1+0x20/0x20
[  647.396245]  warn_alloc.cold.116+0xb7/0x1bd
[  647.400560]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  647.405395]  ? lock_downgrade+0x900/0x900
[  647.409550]  ? trace_hardirqs_off+0xb8/0x310
[  647.413956]  ? trace_hardirqs_off+0xb8/0x310
[  647.418381]  __alloc_pages_slowpath+0x2651/0x2de0
[  647.423351]  ? warn_alloc+0x120/0x120
[  647.427150]  ? warn_alloc+0x120/0x120
[  647.431014]  ? warn_alloc+0x120/0x120
[  647.434839]  ? print_usage_bug+0xc0/0xc0
[  647.438896]  ? mark_held_locks+0x130/0x130
[  647.443129]  ? kvm_clock_read+0x18/0x30
[  647.447094]  ? print_usage_bug+0xc0/0xc0
[  647.451156]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  647.456687]  ? should_fail+0x22d/0xd01
[  647.460569]  ? __lock_acquire+0x62f/0x4c20
[  647.464797]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  647.469897]  ? __lock_acquire+0x62f/0x4c20
[  647.474134]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  647.479228]  ? __lock_acquire+0x62f/0x4c20
[  647.483459]  ? should_fail+0x22d/0xd01
[  647.487346]  ? mark_held_locks+0x130/0x130
[  647.491578]  ? mark_held_locks+0x130/0x130
[  647.495895]  ? try_to_wake_up+0x11c/0x1490
[  647.500138]  ? lock_downgrade+0x900/0x900
[  647.504288]  ? zap_class+0x640/0x640
[  647.507995]  ? print_usage_bug+0xc0/0xc0
[  647.512140]  ? trace_hardirqs_off+0xb8/0x310
[  647.516544]  ? kasan_check_read+0x11/0x20
[  647.520691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.526241]  ? check_preemption_disabled+0x48/0x280
[  647.531280]  ? __lock_is_held+0xb5/0x140
[  647.535360]  __alloc_pages_nodemask+0xad8/0xea0
[  647.540028]  ? zap_class+0x640/0x640
[  647.543743]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  647.548780]  ? find_held_lock+0x36/0x1c0
[  647.552855]  ? ____cache_alloc_node+0x1c7/0x1e0
[  647.557519]  ? lock_downgrade+0x900/0x900
[  647.561669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.567222]  cache_grow_begin+0xa5/0x8c0
[  647.571273]  ? do_raw_spin_unlock+0xa7/0x330
[  647.575682]  fallback_alloc+0x204/0x2e0
[  647.579656]  ____cache_alloc_node+0x1c7/0x1e0
[  647.584151]  kmem_cache_alloc_node+0xe3/0x730
[  647.588641]  ? ipv6_get_ifaddr+0x42e/0x620
[  647.592880]  __alloc_skb+0x119/0x770
[  647.596590]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  647.601867]  ? netdev_alloc_frag+0x1f0/0x1f0
[  647.606269]  ? lock_downgrade+0x900/0x900
[  647.610418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.615954]  ? refcount_sub_and_test_checked+0x203/0x310
[  647.621401]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  647.626855]  ? addrconf_rs_timer+0x690/0x690
[  647.631283]  ndisc_alloc_skb+0x144/0x340
[  647.635351]  ndisc_send_rs+0x331/0x6e0
[  647.639241]  addrconf_rs_timer+0x314/0x690
[  647.643477]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  647.647717]  call_timer_fn+0x272/0x920
[  647.651599]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  647.655833]  ? process_timeout+0x40/0x40
[  647.659905]  ? mark_held_locks+0xc7/0x130
[  647.664054]  ? _raw_spin_unlock_irq+0x27/0x80
[  647.668542]  ? _raw_spin_unlock_irq+0x27/0x80
[  647.673030]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  647.677258]  ? lockdep_hardirqs_on+0x296/0x5b0
[  647.681844]  ? trace_hardirqs_on+0xbd/0x310
[  647.686162]  ? kasan_check_read+0x11/0x20
[  647.690300]  ? __run_timers+0x7da/0xc70
[  647.694283]  ? trace_hardirqs_off_caller+0x310/0x310
[  647.699390]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  647.703615]  __run_timers+0x7e5/0xc70
[  647.707419]  ? timer_fixup_init+0x70/0x70
[  647.711562]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  647.716569]  ? zap_class+0x640/0x640
[  647.720276]  ? print_usage_bug+0xc0/0xc0
[  647.724333]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  647.729519]  ? find_held_lock+0x36/0x1c0
[  647.733594]  ? zap_class+0x640/0x640
[  647.737327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.742877]  ? check_preemption_disabled+0x48/0x280
[  647.747913]  ? __lock_is_held+0xb5/0x140
[  647.751984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.757514]  ? check_preemption_disabled+0x48/0x280
[  647.762565]  run_timer_softirq+0x52/0xb0
[  647.766620]  ? rcu_read_lock_sched_held+0x14f/0x180
[  647.771632]  __do_softirq+0x308/0xb7e
[  647.775434]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  647.779926]  ? lock_downgrade+0x900/0x900
[  647.784077]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  647.789184]  ? pvclock_read_flags+0x160/0x160
[  647.793684]  ? lapic_next_event+0x5a/0x90
[  647.797833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.803375]  ? kvm_clock_read+0x18/0x30
[  647.807343]  ? kvm_sched_clock_read+0x9/0x20
[  647.811747]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  647.817297]  ? check_preemption_disabled+0x48/0x280
[  647.822321]  irq_exit+0x17f/0x1c0
[  647.825772]  smp_apic_timer_interrupt+0x1cb/0x760
[  647.830636]  ? smp_reschedule_interrupt+0x109/0x650
[  647.835649]  ? smp_call_function_single_interrupt+0x650/0x650
[  647.841529]  ? interrupt_entry+0xb5/0xc0
[  647.845585]  ? trace_hardirqs_off_caller+0xbb/0x310
[  647.850591]  ? trace_hardirqs_off_caller+0xbb/0x310
[  647.855608]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  647.860447]  ? trace_hardirqs_on_caller+0x310/0x310
[  647.865473]  ? trace_hardirqs_on_caller+0x310/0x310
[  647.870482]  ? task_prio+0x50/0x50
[  647.874016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.879553]  ? check_preemption_disabled+0x48/0x280
[  647.884591]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  647.889441]  apic_timer_interrupt+0xf/0x20
[  647.893662]  </IRQ>
[  647.895894] RIP: 0010:dump_stack+0x358/0x39d
[  647.900299] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  647.919191] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  647.926893] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  647.934164] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  647.941426] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  647.948703] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  647.955965] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  647.963243]  ? dump_stack+0x34f/0x39d
[  647.967048]  ? dump_stack_print_info.cold.1+0x20/0x20
[  647.972236]  ? mark_held_locks+0x130/0x130
[  647.976462]  ? mark_held_locks+0x130/0x130
[  647.980706]  dump_header+0x27b/0xf72
[  647.984595]  ? pagefault_out_of_memory+0x197/0x197
[  647.989534]  ? __lock_acquire+0x62f/0x4c20
[  647.993872]  ? percpu_ref_get_many+0x240/0x240
[  647.998449]  ? print_usage_bug+0xc0/0xc0
[  648.002510]  ? zap_class+0x640/0x640
[  648.006223]  ? print_usage_bug+0xc0/0xc0
[  648.010275]  ? print_usage_bug+0xc0/0xc0
[  648.014328]  ? zap_class+0x640/0x640
[  648.018044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.023582]  ? find_held_lock+0x36/0x1c0
[  648.027648]  ? mark_held_locks+0xc7/0x130
[  648.031819]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  648.036920]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  648.042036]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  648.046613]  ? trace_hardirqs_on+0xbd/0x310
[  648.050932]  ? kasan_check_read+0x11/0x20
[  648.055078]  ? ___ratelimit+0x3b4/0x672
[  648.059051]  ? trace_hardirqs_off_caller+0x310/0x310
[  648.064150]  ? trace_hardirqs_on+0x310/0x310
[  648.068586]  ? lock_downgrade+0x900/0x900
[  648.072732]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  648.077836]  ? ___ratelimit+0x3b9/0x672
[  648.081817]  ? idr_get_free+0xf70/0xf70
[  648.085812]  ? find_held_lock+0x36/0x1c0
[  648.089883]  oom_kill_process.cold.27+0x10/0x903
[  648.094646]  ? zap_class+0x640/0x640
[  648.098365]  ? check_preemption_disabled+0x48/0x280
[  648.103377]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  648.108298]  ? kasan_check_read+0x11/0x20
[  648.112442]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  648.117725]  ? oom_evaluate_task+0x540/0x540
[  648.122144]  ? find_held_lock+0x36/0x1c0
[  648.126216]  ? out_of_memory+0x974/0x1430
[  648.130357]  ? lock_downgrade+0x900/0x900
[  648.134498]  ? check_preemption_disabled+0x48/0x280
[  648.139508]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  648.144433]  ? kasan_check_read+0x11/0x20
[  648.148570]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  648.153847]  ? rcu_softirq_qs+0x20/0x20
[  648.157840]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  648.163369]  ? oom_evaluate_task+0x302/0x540
[  648.167773]  out_of_memory+0xa84/0x1430
[  648.171764]  ? oom_killer_disable+0x3a0/0x3a0
[  648.176257]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  648.181187]  ? __ww_mutex_check_waiters+0x160/0x160
[  648.186223]  __alloc_pages_slowpath+0x232c/0x2de0
[  648.191083]  ? warn_alloc+0x120/0x120
[  648.194900]  ? mark_held_locks+0x130/0x130
[  648.199140]  ? find_get_entry+0xaae/0x1120
[  648.203378]  ? filemap_map_pages+0x1a20/0x1a20
[  648.207962]  ? zap_class+0x640/0x640
[  648.211678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.217218]  ? check_preemption_disabled+0x48/0x280
[  648.222230]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  648.227763]  ? should_fail+0x22d/0xd01
[  648.231655]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  648.236755]  ? zap_class+0x640/0x640
[  648.240483]  ? __lock_is_held+0xb5/0x140
[  648.244548]  ? mark_held_locks+0x130/0x130
[  648.248781]  ? lock_release+0xa00/0xa00
[  648.252762]  ? perf_trace_sched_process_exec+0x860/0x860
[  648.258215]  ? xa_load+0x2ba/0x460
[  648.261754]  ? lock_downgrade+0x900/0x900
[  648.265904]  ? __might_sleep+0x95/0x190
[  648.269875]  __alloc_pages_nodemask+0xad8/0xea0
[  648.274540]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  648.279567]  ? __page_cache_alloc+0x191/0x5c0
[  648.284056]  ? xa_load+0x2e1/0x460
[  648.287589]  ? xa_clear_mark+0x40/0x40
[  648.291471]  ? zap_class+0x640/0x640
[  648.295178]  ? zap_class+0x640/0x640
[  648.298896]  ? zap_class+0x640/0x640
[  648.302604]  ? zap_class+0x640/0x640
[  648.306311]  ? __do_page_cache_readahead+0x663/0x810
[  648.311410]  ? find_held_lock+0x36/0x1c0
[  648.315470]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  648.321008]  alloc_pages_current+0x173/0x350
[  648.325415]  __page_cache_alloc+0x38c/0x5c0
[  648.329727]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  648.334651]  ? kasan_check_read+0x11/0x20
[  648.338798]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  648.344188]  ? generic_perform_write+0x6a0/0x6a0
[  648.348942]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  648.354474]  ? check_preemption_disabled+0x48/0x280
[  648.359517]  filemap_fault+0x1595/0x25f0
[  648.363597]  ? __lock_page_or_retry+0xa00/0xa00
[  648.368271]  ? mark_held_locks+0x130/0x130
[  648.372509]  ? filemap_map_pages+0xd6b/0x1a20
[  648.376999]  ? lock_downgrade+0x900/0x900
[  648.381174]  ? check_preemption_disabled+0x48/0x280
[  648.386189]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  648.391115]  ? kasan_check_read+0x11/0x20
[  648.395258]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  648.400551]  ? rcu_softirq_qs+0x20/0x20
[  648.404552]  ? filemap_map_pages+0xd92/0x1a20
[  648.409053]  ? queue_work_on+0x12c/0x1e0
[  648.413112]  ? find_get_entries_tag+0x1400/0x1400
[  648.417950]  ? debug_object_destroy+0x2b0/0x2b0
[  648.422613]  ? lock_pi_update_atomic+0x150/0x150
[  648.427358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.432916]  ? lock_acquire+0x1ed/0x520
[  648.437016]  ? ext4_filemap_fault+0x7a/0xad
[  648.441332]  ? lock_release+0xa00/0xa00
[  648.445296]  ? perf_trace_sched_process_exec+0x860/0x860
[  648.450748]  ? print_usage_bug+0xc0/0xc0
[  648.454819]  ? print_usage_bug+0xc0/0xc0
[  648.458898]  ? down_read+0x8d/0x120
[  648.462511]  ? ext4_filemap_fault+0x7a/0xad
[  648.466829]  ? __down_interruptible+0x700/0x700
[  648.471505]  ext4_filemap_fault+0x82/0xad
[  648.475662]  __do_fault+0x100/0x6b0
[  648.479288]  ? find_held_lock+0x36/0x1c0
[  648.483511]  ? pmd_devmap_trans_unstable+0x220/0x220
[  648.488610]  ? mark_held_locks+0x130/0x130
[  648.492847]  ? mark_held_locks+0x130/0x130
[  648.497086]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  648.502619]  __handle_mm_fault+0x3ea0/0x5be0
[  648.507018]  ? perf_trace_lock+0x7a0/0x7a0
[  648.511254]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  648.516096]  ? __switch_to_asm+0x34/0x70
[  648.520151]  ? __switch_to_asm+0x34/0x70
[  648.524220]  ? zap_class+0x640/0x640
[  648.527931]  ? zap_class+0x640/0x640
[  648.531638]  ? __x64_sys_futex+0x53e/0x6a0
[  648.535875]  ? find_held_lock+0x36/0x1c0
[  648.539940]  ? handle_mm_fault+0x42a/0xc70
[  648.544175]  ? lock_downgrade+0x900/0x900
[  648.548316]  ? check_preemption_disabled+0x48/0x280
[  648.553333]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  648.558262]  ? kasan_check_read+0x11/0x20
[  648.562407]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  648.567678]  ? rcu_softirq_qs+0x20/0x20
[  648.571651]  ? trace_hardirqs_off_caller+0x310/0x310
[  648.576751]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  648.582288]  ? check_preemption_disabled+0x48/0x280
[  648.587306]  handle_mm_fault+0x54f/0xc70
[  648.591366]  ? __handle_mm_fault+0x5be0/0x5be0
[  648.596043]  ? find_vma+0x34/0x190
[  648.599586]  __do_page_fault+0x5e8/0xe60
[  648.603644]  ? trace_hardirqs_off+0xb8/0x310
[  648.608055]  do_page_fault+0xf2/0x7e0
[  648.611871]  ? vmalloc_sync_all+0x30/0x30
[  648.616032]  ? error_entry+0x70/0xd0
[  648.619740]  ? trace_hardirqs_off_caller+0xbb/0x310
[  648.624752]  ? trace_hardirqs_on_caller+0xc0/0x310
[  648.629678]  ? syscall_return_slowpath+0x5e0/0x5e0
[  648.634596]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  648.639435]  ? trace_hardirqs_on_caller+0x310/0x310
[  648.644458]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  648.649906]  ? prepare_exit_to_usermode+0x291/0x3b0
[  648.654916]  ? page_fault+0x8/0x30
[  648.659066]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  648.663907]  ? page_fault+0x8/0x30
[  648.667441]  page_fault+0x1e/0x30
[  648.670888] RIP: 0033:0x40f9c0
[  648.674096] Code: Bad RIP value.
[  648.677465] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  648.682826] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  648.690173] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  648.697446] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  648.704894] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  648.712152] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  648.719440] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  648.719445] warn_alloc_show_mem: 1 callbacks suppressed
[  648.719451] Mem-Info:
[  648.726722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  648.732080] active_anon:54071 inactive_anon:192 isolated_anon:0
[  648.732080]  active_file:13 inactive_file:14 isolated_file:0
[  648.732080]  unevictable:0 dirty:0 writeback:0 unstable:0
[  648.732080]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  648.732080]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  648.732080]  free:13779 free_pcp:228 free_cma:0
[  648.734445] Call Trace:
[  648.743826] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  648.776661]  <IRQ>
[  648.779239] 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
[  648.806728]  dump_stack+0x244/0x39d
[  648.808846] lowmem_reserve[]: 0 2818 6321 6321
[  648.835473]  ? dump_stack_print_info.cold.1+0x20/0x20
[  648.839062] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  648.843639]  warn_alloc.cold.116+0xb7/0x1bd
[  648.848797] lowmem_reserve[]: 0 0 3503 3503
[  648.876287]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  648.880589] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  648.884921]  ? lock_downgrade+0x900/0x900
[  648.889730] lowmem_reserve[]: 0 0 0 0
[  648.918625]  ? trace_hardirqs_off+0xb8/0x310
[  648.922739] 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
[  648.926558]  ? trace_hardirqs_off+0xb8/0x310
[  648.930947] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  648.944480]  __alloc_pages_slowpath+0x2651/0x2de0
[  648.948852] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  648.964773]  ? warn_alloc+0x120/0x120
[  648.969572] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  648.985159]  ? warn_alloc+0x120/0x120
[  648.988930] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  648.997743]  ? warn_alloc+0x120/0x120
[  649.001510] 271 total pagecache pages
[  649.010092]  ? print_usage_bug+0xc0/0xc0
[  649.013868] 0 pages in swap cache
[  649.017644]  ? warn_alloc+0x120/0x120
[  649.021679] Swap cache stats: add 0, delete 0, find 0/0
[  649.025115]  ? print_usage_bug+0xc0/0xc0
[  649.028972] Free swap  = 0kB
[  649.034329]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  649.038352] Total swap = 0kB
[  649.041361]  ? should_fail+0x22d/0xd01
[  649.046877] 1965979 pages RAM
[  649.049879]  ? __lock_acquire+0x62f/0x4c20
[  649.053734] 0 pages HighMem/MovableOnly
[  649.053741] 342854 pages reserved
[  649.056831]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  649.061028] 0 pages cma reserved
[  649.061121] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  649.065002]  ? __lock_acquire+0x62f/0x4c20
[  649.065037]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  649.065051]  ? __lock_acquire+0x62f/0x4c20
[  649.068531] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  649.073560]  ? should_fail+0x22d/0xd01
[  649.076899] syz-fuzzer cpuset=/ mems_allowed=0
[  649.083384]  ? mark_held_locks+0x130/0x130
[  649.119806]  ? mark_held_locks+0x130/0x130
[  649.124045]  ? mark_held_locks+0x130/0x130
[  649.128272]  ? zap_class+0x640/0x640
[  649.131979]  ? print_usage_bug+0xc0/0xc0
[  649.136036]  ? mark_held_locks+0x130/0x130
[  649.140267]  ? print_usage_bug+0xc0/0xc0
[  649.144336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.149892]  ? check_preemption_disabled+0x48/0x280
[  649.154909]  ? __lock_is_held+0xb5/0x140
[  649.158970]  __alloc_pages_nodemask+0xad8/0xea0
[  649.163633]  ? zap_class+0x640/0x640
[  649.167358]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  649.172380]  ? find_held_lock+0x36/0x1c0
[  649.176452]  ? ____cache_alloc_node+0x1c7/0x1e0
[  649.181132]  ? lock_downgrade+0x900/0x900
[  649.185285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.190833]  cache_grow_begin+0xa5/0x8c0
[  649.194920]  ? do_raw_spin_unlock+0xa7/0x330
[  649.199330]  fallback_alloc+0x204/0x2e0
[  649.203302]  ____cache_alloc_node+0x1c7/0x1e0
[  649.207806]  kmem_cache_alloc_node+0xe3/0x730
[  649.212299]  ? ipv6_get_ifaddr+0x42e/0x620
[  649.216544]  __alloc_skb+0x119/0x770
[  649.220252]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  649.225543]  ? netdev_alloc_frag+0x1f0/0x1f0
[  649.229947]  ? lock_downgrade+0x900/0x900
[  649.234095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.239631]  ? refcount_sub_and_test_checked+0x203/0x310
[  649.245079]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  649.250523]  ? addrconf_rs_timer+0x690/0x690
[  649.254954]  ndisc_alloc_skb+0x144/0x340
[  649.259017]  ndisc_send_rs+0x331/0x6e0
[  649.262925]  addrconf_rs_timer+0x314/0x690
[  649.267160]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  649.271404]  call_timer_fn+0x272/0x920
[  649.275286]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  649.279519]  ? process_timeout+0x40/0x40
[  649.283583]  ? __run_timers+0x7da/0xc70
[  649.287554]  ? _raw_spin_unlock_irq+0x27/0x80
[  649.292066]  ? _raw_spin_unlock_irq+0x27/0x80
[  649.296559]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  649.300794]  ? lockdep_hardirqs_on+0x296/0x5b0
[  649.305371]  ? trace_hardirqs_on+0xbd/0x310
[  649.309689]  ? kasan_check_read+0x11/0x20
[  649.313842]  ? __run_timers+0x7da/0xc70
[  649.317824]  ? trace_hardirqs_off_caller+0x310/0x310
[  649.322928]  ? tcp_compressed_ack_kick+0x220/0x220
[  649.327948]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  649.332175]  __run_timers+0x7e5/0xc70
[  649.335973]  ? timer_fixup_init+0x70/0x70
[  649.340115]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  649.345124]  ? zap_class+0x640/0x640
[  649.348852]  ? enqueue_hrtimer+0x1a5/0x560
[  649.353080]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  649.358269]  ? find_held_lock+0x36/0x1c0
[  649.362343]  ? zap_class+0x640/0x640
[  649.366086]  ? pvclock_read_flags+0x160/0x160
[  649.370578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.376112]  ? check_preemption_disabled+0x48/0x280
[  649.381132]  ? __lock_is_held+0xb5/0x140
[  649.385185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.390709]  ? check_preemption_disabled+0x48/0x280
[  649.395734]  run_timer_softirq+0x52/0xb0
[  649.399801]  ? rcu_read_lock_sched_held+0x14f/0x180
[  649.404813]  __do_softirq+0x308/0xb7e
[  649.408624]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  649.413124]  ? lock_downgrade+0x900/0x900
[  649.417355]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  649.422487]  ? pvclock_read_flags+0x160/0x160
[  649.426978]  ? lapic_next_event+0x5a/0x90
[  649.431123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.436663]  ? kvm_clock_read+0x18/0x30
[  649.440627]  ? kvm_sched_clock_read+0x9/0x20
[  649.445031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.450561]  ? check_preemption_disabled+0x48/0x280
[  649.455578]  irq_exit+0x17f/0x1c0
[  649.459029]  smp_apic_timer_interrupt+0x1cb/0x760
[  649.463868]  ? smp_reschedule_interrupt+0x109/0x650
[  649.468880]  ? smp_call_function_single_interrupt+0x650/0x650
[  649.474757]  ? interrupt_entry+0xb5/0xc0
[  649.478823]  ? trace_hardirqs_off_caller+0xbb/0x310
[  649.483830]  ? trace_hardirqs_off_caller+0xbb/0x310
[  649.488843]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  649.493679]  ? trace_hardirqs_on_caller+0x310/0x310
[  649.498701]  ? trace_hardirqs_on_caller+0x310/0x310
[  649.503725]  ? task_prio+0x50/0x50
[  649.507266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.512800]  ? check_preemption_disabled+0x48/0x280
[  649.517830]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  649.522677]  apic_timer_interrupt+0xf/0x20
[  649.526898]  </IRQ>
[  649.529130] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  649.534069] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  649.553054] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  649.560772] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  649.568035] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  649.575303] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  649.582571] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  649.589837] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  649.597137]  skb_clone+0x1bb/0x500
[  649.600678]  ? finish_task_switch+0x1b4/0x910
[  649.605169]  ? skb_split+0x11e0/0x11e0
[  649.609055]  ? preempt_notifier_register+0x200/0x200
[  649.614150]  ? __switch_to_asm+0x34/0x70
[  649.618202]  ? __switch_to_asm+0x34/0x70
[  649.622267]  ? __switch_to_asm+0x40/0x70
[  649.626340]  ? __switch_to_asm+0x34/0x70
[  649.630426]  ? __switch_to_asm+0x40/0x70
[  649.634481]  ? __switch_to_asm+0x34/0x70
[  649.638537]  ? __switch_to_asm+0x40/0x70
[  649.642602]  ? __switch_to_asm+0x34/0x70
[  649.646742]  ? __switch_to_asm+0x34/0x70
[  649.650816]  ? __switch_to_asm+0x40/0x70
[  649.654887]  ? __switch_to_asm+0x34/0x70
[  649.658944]  bpf_clone_redirect+0xb9/0x490
[  649.663170]  ? __schedule+0x8d7/0x21d0
[  649.667054]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  649.672066]  ? __sched_text_start+0x8/0x8
[  649.676208]  ? retint_kernel+0x2d/0x2d
[  649.680105]  ? find_held_lock+0x36/0x1c0
[  649.684163]  ? lock_acquire+0x1ed/0x520
[  649.688139]  ? bpf_test_run+0x3cb/0x780
[  649.692113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.697645]  ? check_preemption_disabled+0x48/0x280
[  649.702755]  ? kasan_check_read+0x11/0x20
[  649.706917]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  649.712185]  ? rcu_softirq_qs+0x20/0x20
[  649.716167]  ? preempt_schedule+0x4d/0x60
[  649.720308]  ? ___preempt_schedule+0x16/0x18
[  649.724718]  ? bpf_test_run+0x25d/0x780
[  649.728698]  ? netlink_diag_dump+0x2a0/0x2a0
[  649.733102]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  649.738632]  ? bpf_test_init.isra.10+0x70/0x100
[  649.743302]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  649.748058]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  649.752892]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  649.758419]  ? fput+0x130/0x1a0
[  649.761695]  ? __bpf_prog_get+0x9b/0x290
[  649.765753]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  649.770599]  ? bpf_prog_test_run+0x130/0x1a0
[  649.775000]  ? __x64_sys_bpf+0x3db/0x520
[  649.779059]  ? bpf_prog_get+0x20/0x20
[  649.782886]  ? do_syscall_64+0x1b9/0x820
[  649.786954]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  649.792334]  ? syscall_return_slowpath+0x5e0/0x5e0
[  649.797297]  ? trace_hardirqs_on_caller+0x310/0x310
[  649.802326]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  649.807336]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  649.813990]  ? __switch_to_asm+0x40/0x70
[  649.818043]  ? __switch_to_asm+0x34/0x70
[  649.822097]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  649.826942]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  649.832317] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  649.832395] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  649.839338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  649.839345] Call Trace:
[  649.845894] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  649.855147]  <IRQ>
[  649.857708] syz-executor5 cpuset=syz5 mems_allowed=0
[  649.868186]  dump_stack+0x244/0x39d
[  649.879011]  ? dump_stack_print_info.cold.1+0x20/0x20
[  649.884223]  warn_alloc.cold.116+0xb7/0x1bd
[  649.888542]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  649.893385]  ? lock_downgrade+0x900/0x900
[  649.897558]  ? trace_hardirqs_off+0xb8/0x310
[  649.901967]  ? trace_hardirqs_off+0xb8/0x310
[  649.906458]  __alloc_pages_slowpath+0x2651/0x2de0
[  649.911315]  ? warn_alloc+0x120/0x120
[  649.915110]  ? print_usage_bug+0xc0/0xc0
[  649.919161]  ? warn_alloc+0x120/0x120
[  649.923048]  ? warn_alloc+0x120/0x120
[  649.926853]  ? print_usage_bug+0xc0/0xc0
[  649.930913]  ? print_usage_bug+0xc0/0xc0
[  649.934993]  ? __lock_acquire+0x62f/0x4c20
[  649.939226]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  649.944769]  ? should_fail+0x22d/0xd01
[  649.948655]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  649.953757]  ? __lock_acquire+0x62f/0x4c20
[  649.957996]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  649.963091]  ? __lock_acquire+0x62f/0x4c20
[  649.967319]  ? should_fail+0x22d/0xd01
[  649.971203]  ? find_held_lock+0x36/0x1c0
[  649.975264]  ? mark_held_locks+0x130/0x130
[  649.979502]  ? mark_held_locks+0x130/0x130
[  649.983747]  ? zap_class+0x640/0x640
[  649.987458]  ? zap_class+0x640/0x640
[  649.991185]  ? print_usage_bug+0xc0/0xc0
[  649.995258]  ? do_raw_spin_unlock+0xa7/0x330
[  649.999696]  ? zap_class+0x640/0x640
[  650.003404]  ? print_usage_bug+0xc0/0xc0
[  650.007458]  ? wq_watchdog_touch+0x9c/0xfe
[  650.011686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.017236]  ? check_preemption_disabled+0x48/0x280
[  650.022266]  ? __lock_is_held+0xb5/0x140
[  650.026320]  __alloc_pages_nodemask+0xad8/0xea0
[  650.030987]  ? zap_class+0x640/0x640
[  650.034694]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  650.039710]  ? find_held_lock+0x36/0x1c0
[  650.043773]  ? ____cache_alloc_node+0x1c7/0x1e0
[  650.048432]  ? lock_downgrade+0x900/0x900
[  650.052576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.058114]  cache_grow_begin+0xa5/0x8c0
[  650.062189]  ? do_raw_spin_unlock+0xa7/0x330
[  650.066596]  fallback_alloc+0x204/0x2e0
[  650.070565]  ____cache_alloc_node+0x1c7/0x1e0
[  650.075059]  kmem_cache_alloc_node+0xe3/0x730
[  650.079562]  ? ipv6_get_ifaddr+0x42e/0x620
[  650.083819]  __alloc_skb+0x119/0x770
[  650.087524]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  650.092806]  ? netdev_alloc_frag+0x1f0/0x1f0
[  650.097212]  ? lock_downgrade+0x900/0x900
[  650.101361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.106896]  ? refcount_sub_and_test_checked+0x203/0x310
[  650.112342]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  650.117788]  ? addrconf_rs_timer+0x690/0x690
[  650.122197]  ndisc_alloc_skb+0x144/0x340
[  650.126256]  ndisc_send_rs+0x331/0x6e0
[  650.130141]  addrconf_rs_timer+0x314/0x690
[  650.134460]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  650.138709]  call_timer_fn+0x272/0x920
[  650.142589]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  650.146816]  ? process_timeout+0x40/0x40
[  650.150900]  ? mark_held_locks+0xc7/0x130
[  650.155043]  ? _raw_spin_unlock_irq+0x27/0x80
[  650.159530]  ? _raw_spin_unlock_irq+0x27/0x80
[  650.164018]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  650.168252]  ? lockdep_hardirqs_on+0x296/0x5b0
[  650.172855]  ? trace_hardirqs_on+0xbd/0x310
[  650.177170]  ? kasan_check_read+0x11/0x20
[  650.181335]  ? __run_timers+0x7da/0xc70
[  650.185305]  ? trace_hardirqs_off_caller+0x310/0x310
[  650.190432]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  650.194699]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  650.198937]  __run_timers+0x7e5/0xc70
[  650.202789]  ? timer_fixup_init+0x70/0x70
[  650.206934]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  650.211946]  ? zap_class+0x640/0x640
[  650.215656]  ? print_usage_bug+0xc0/0xc0
[  650.219710]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  650.224904]  ? find_held_lock+0x36/0x1c0
[  650.228962]  ? zap_class+0x640/0x640
[  650.232678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.238208]  ? check_preemption_disabled+0x48/0x280
[  650.243228]  ? __lock_is_held+0xb5/0x140
[  650.247280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.252808]  ? check_preemption_disabled+0x48/0x280
[  650.257861]  run_timer_softirq+0x52/0xb0
[  650.261913]  ? rcu_read_lock_sched_held+0x14f/0x180
[  650.266922]  __do_softirq+0x308/0xb7e
[  650.270720]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  650.275236]  ? lock_downgrade+0x900/0x900
[  650.279383]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  650.284485]  ? pvclock_read_flags+0x160/0x160
[  650.288974]  ? lapic_next_event+0x5a/0x90
[  650.293131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.298666]  ? kvm_clock_read+0x18/0x30
[  650.302640]  ? kvm_sched_clock_read+0x9/0x20
[  650.307047]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  650.312582]  ? check_preemption_disabled+0x48/0x280
[  650.317599]  irq_exit+0x17f/0x1c0
[  650.321049]  smp_apic_timer_interrupt+0x1cb/0x760
[  650.325900]  ? smp_reschedule_interrupt+0x109/0x650
[  650.331016]  ? smp_call_function_single_interrupt+0x650/0x650
[  650.336891]  ? interrupt_entry+0xb5/0xc0
[  650.340970]  ? trace_hardirqs_off_caller+0xbb/0x310
[  650.345986]  ? trace_hardirqs_off_caller+0xbb/0x310
[  650.351106]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  650.355944]  ? trace_hardirqs_on_caller+0x310/0x310
[  650.360953]  ? trace_hardirqs_on_caller+0x310/0x310
[  650.365978]  ? task_prio+0x50/0x50
[  650.369512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.375047]  ? check_preemption_disabled+0x48/0x280
[  650.380062]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  650.384908]  apic_timer_interrupt+0xf/0x20
[  650.389129]  </IRQ>
[  650.391363] RIP: 0010:dump_stack+0x358/0x39d
[  650.395770] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  650.414769] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  650.422481] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  650.429844] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  650.437107] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  650.444380] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  650.451658] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  650.458950]  ? dump_stack+0x34f/0x39d
[  650.462762]  ? dump_stack_print_info.cold.1+0x20/0x20
[  650.467955]  ? mark_held_locks+0x130/0x130
[  650.472181]  ? mark_held_locks+0x130/0x130
[  650.476410]  dump_header+0x27b/0xf72
[  650.480128]  ? pagefault_out_of_memory+0x197/0x197
[  650.485059]  ? __lock_acquire+0x62f/0x4c20
[  650.489377]  ? percpu_ref_get_many+0x240/0x240
[  650.493958]  ? print_usage_bug+0xc0/0xc0
[  650.498019]  ? zap_class+0x640/0x640
[  650.501752]  ? print_usage_bug+0xc0/0xc0
[  650.505828]  ? print_usage_bug+0xc0/0xc0
[  650.509887]  ? zap_class+0x640/0x640
[  650.513597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.519133]  ? find_held_lock+0x36/0x1c0
[  650.523200]  ? mark_held_locks+0xc7/0x130
[  650.527347]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  650.532453]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  650.537551]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  650.542146]  ? trace_hardirqs_on+0xbd/0x310
[  650.546459]  ? kasan_check_read+0x11/0x20
[  650.550597]  ? ___ratelimit+0x3b4/0x672
[  650.554559]  ? trace_hardirqs_off_caller+0x310/0x310
[  650.559665]  ? trace_hardirqs_on+0x310/0x310
[  650.564066]  ? lock_downgrade+0x900/0x900
[  650.568216]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  650.573314]  ? ___ratelimit+0x3b9/0x672
[  650.577315]  ? idr_get_free+0xf70/0xf70
[  650.581295]  ? find_held_lock+0x36/0x1c0
[  650.585359]  oom_kill_process.cold.27+0x10/0x903
[  650.590111]  ? zap_class+0x640/0x640
[  650.593819]  ? check_preemption_disabled+0x48/0x280
[  650.598844]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  650.603769]  ? kasan_check_read+0x11/0x20
[  650.607913]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  650.613184]  ? oom_evaluate_task+0x540/0x540
[  650.617593]  ? find_held_lock+0x36/0x1c0
[  650.621656]  ? out_of_memory+0x974/0x1430
[  650.625803]  ? lock_downgrade+0x900/0x900
[  650.629948]  ? check_preemption_disabled+0x48/0x280
[  650.635047]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  650.639970]  ? kasan_check_read+0x11/0x20
[  650.644130]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  650.649402]  ? rcu_softirq_qs+0x20/0x20
[  650.653373]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  650.659300]  ? oom_evaluate_task+0x302/0x540
[  650.663711]  out_of_memory+0xa84/0x1430
[  650.667696]  ? oom_killer_disable+0x3a0/0x3a0
[  650.672191]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  650.677120]  ? __ww_mutex_check_waiters+0x160/0x160
[  650.682141]  __alloc_pages_slowpath+0x232c/0x2de0
[  650.687014]  ? warn_alloc+0x120/0x120
[  650.690813]  ? mark_held_locks+0x130/0x130
[  650.695047]  ? find_get_entry+0xaae/0x1120
[  650.699284]  ? filemap_map_pages+0x1a20/0x1a20
[  650.703863]  ? zap_class+0x640/0x640
[  650.707574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.713114]  ? check_preemption_disabled+0x48/0x280
[  650.718123]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  650.723666]  ? should_fail+0x22d/0xd01
[  650.727566]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  650.732758]  ? zap_class+0x640/0x640
[  650.736491]  ? __lock_is_held+0xb5/0x140
[  650.740639]  ? mark_held_locks+0x130/0x130
[  650.744869]  ? lock_release+0xa00/0xa00
[  650.748835]  ? perf_trace_sched_process_exec+0x860/0x860
[  650.754277]  ? xa_load+0x2ba/0x460
[  650.757835]  ? lock_downgrade+0x900/0x900
[  650.761977]  ? __might_sleep+0x95/0x190
[  650.765950]  __alloc_pages_nodemask+0xad8/0xea0
[  650.770708]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  650.775725]  ? __page_cache_alloc+0x191/0x5c0
[  650.780217]  ? xa_load+0x2e1/0x460
[  650.783761]  ? xa_clear_mark+0x40/0x40
[  650.787645]  ? zap_class+0x640/0x640
[  650.791356]  ? zap_class+0x640/0x640
[  650.795071]  ? zap_class+0x640/0x640
[  650.798784]  ? zap_class+0x640/0x640
[  650.802492]  ? __do_page_cache_readahead+0x663/0x810
[  650.807593]  ? find_held_lock+0x36/0x1c0
[  650.811654]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  650.817216]  alloc_pages_current+0x173/0x350
[  650.821627]  __page_cache_alloc+0x38c/0x5c0
[  650.826248]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  650.831175]  ? kasan_check_read+0x11/0x20
[  650.835320]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  650.840592]  ? generic_perform_write+0x6a0/0x6a0
[  650.845345]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  650.850880]  ? check_preemption_disabled+0x48/0x280
[  650.855915]  filemap_fault+0x1595/0x25f0
[  650.859988]  ? __lock_page_or_retry+0xa00/0xa00
[  650.864660]  ? mark_held_locks+0x130/0x130
[  650.868893]  ? filemap_map_pages+0xd6b/0x1a20
[  650.873382]  ? lock_downgrade+0x900/0x900
[  650.877523]  ? check_preemption_disabled+0x48/0x280
[  650.882553]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  650.887479]  ? kasan_check_read+0x11/0x20
[  650.891622]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  650.896892]  ? rcu_softirq_qs+0x20/0x20
[  650.900874]  ? filemap_map_pages+0xd92/0x1a20
[  650.905370]  ? queue_work_on+0x12c/0x1e0
[  650.909427]  ? find_get_entries_tag+0x1400/0x1400
[  650.914286]  ? debug_object_destroy+0x2b0/0x2b0
[  650.918952]  ? lock_pi_update_atomic+0x150/0x150
[  650.923699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.929248]  ? lock_acquire+0x1ed/0x520
[  650.933215]  ? ext4_filemap_fault+0x7a/0xad
[  650.937540]  ? lock_release+0xa00/0xa00
[  650.941510]  ? perf_trace_sched_process_exec+0x860/0x860
[  650.946956]  ? print_usage_bug+0xc0/0xc0
[  650.951017]  ? print_usage_bug+0xc0/0xc0
[  650.955087]  ? down_read+0x8d/0x120
[  650.958709]  ? ext4_filemap_fault+0x7a/0xad
[  650.963030]  ? __down_interruptible+0x700/0x700
[  650.967704]  ext4_filemap_fault+0x82/0xad
[  650.971876]  __do_fault+0x100/0x6b0
[  650.975499]  ? find_held_lock+0x36/0x1c0
[  650.979572]  ? pmd_devmap_trans_unstable+0x220/0x220
[  650.984670]  ? mark_held_locks+0x130/0x130
[  650.988899]  ? mark_held_locks+0x130/0x130
[  650.993162]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  650.998721]  __handle_mm_fault+0x3ea0/0x5be0
[  651.003219]  ? perf_trace_lock+0x7a0/0x7a0
[  651.007456]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  651.012302]  ? __switch_to_asm+0x34/0x70
[  651.016358]  ? __switch_to_asm+0x34/0x70
[  651.020433]  ? zap_class+0x640/0x640
[  651.024141]  ? zap_class+0x640/0x640
[  651.027874]  ? __x64_sys_futex+0x53e/0x6a0
[  651.032109]  ? find_held_lock+0x36/0x1c0
[  651.036176]  ? handle_mm_fault+0x42a/0xc70
[  651.040412]  ? lock_downgrade+0x900/0x900
[  651.044555]  ? check_preemption_disabled+0x48/0x280
[  651.049665]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  651.054588]  ? kasan_check_read+0x11/0x20
[  651.058740]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  651.064031]  ? rcu_softirq_qs+0x20/0x20
[  651.068011]  ? trace_hardirqs_off_caller+0x310/0x310
[  651.073109]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  651.078655]  ? check_preemption_disabled+0x48/0x280
[  651.083671]  handle_mm_fault+0x54f/0xc70
[  651.087735]  ? __handle_mm_fault+0x5be0/0x5be0
[  651.092317]  ? find_vma+0x34/0x190
[  651.095857]  __do_page_fault+0x5e8/0xe60
[  651.099908]  ? trace_hardirqs_off+0xb8/0x310
[  651.104319]  do_page_fault+0xf2/0x7e0
[  651.108200]  ? vmalloc_sync_all+0x30/0x30
[  651.112342]  ? error_entry+0x70/0xd0
[  651.116055]  ? trace_hardirqs_off_caller+0xbb/0x310
[  651.121093]  ? trace_hardirqs_on_caller+0xc0/0x310
[  651.126018]  ? syscall_return_slowpath+0x5e0/0x5e0
[  651.131030]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  651.135877]  ? trace_hardirqs_on_caller+0x310/0x310
[  651.140887]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  651.146373]  ? prepare_exit_to_usermode+0x291/0x3b0
[  651.151381]  ? page_fault+0x8/0x30
[  651.154919]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  651.159766]  ? page_fault+0x8/0x30
[  651.163302]  page_fault+0x1e/0x30
[  651.166769] RIP: 0033:0x40f9c0
[  651.169971] Code: Bad RIP value.
[  651.173330] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  651.178700] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  651.185968] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  651.193318] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  651.200683] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  651.207978] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  651.215278] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  651.215282] warn_alloc_show_mem: 1 callbacks suppressed
[  651.215291] Mem-Info:
[  651.222560] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  651.227924] active_anon:54071 inactive_anon:192 isolated_anon:0
[  651.227924]  active_file:13 inactive_file:14 isolated_file:0
[  651.227924]  unevictable:0 dirty:0 writeback:0 unstable:0
[  651.227924]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  651.227924]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  651.227924]  free:13779 free_pcp:228 free_cma:0
[  651.230292] Call Trace:
[  651.239663] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  651.272502]  <IRQ>
[  651.275067] 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
[  651.302557]  dump_stack+0x244/0x39d
[  651.304678] lowmem_reserve[]: 0 2818 6321 6321
[  651.330780]  ? dump_stack_print_info.cold.1+0x20/0x20
[  651.334375] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  651.338971]  warn_alloc.cold.116+0xb7/0x1bd
[  651.344125] lowmem_reserve[]: 0 0 3503 3503
[  651.371703]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  651.375995] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  651.380305]  ? lock_downgrade+0x900/0x900
[  651.385114] lowmem_reserve[]: 0 0 0 0
[  651.414083]  ? trace_hardirqs_off+0xb8/0x310
[  651.418198] 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
[  651.421988]  ? trace_hardirqs_off+0xb8/0x310
[  651.426382] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  651.439907]  __alloc_pages_slowpath+0x2651/0x2de0
[  651.444282] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  651.460260]  ? warn_alloc+0x120/0x120
[  651.465058] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  651.480851]  ? print_usage_bug+0xc0/0xc0
[  651.484751] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  651.493567]  ? warn_alloc+0x120/0x120
[  651.497602] 271 total pagecache pages
[  651.506177]  ? warn_alloc+0x120/0x120
[  651.509976] 0 pages in swap cache
[  651.513757]  ? print_usage_bug+0xc0/0xc0
[  651.517535] Swap cache stats: add 0, delete 0, find 0/0
[  651.520972]  ? kvm_clock_read+0x18/0x30
[  651.525007] Free swap  = 0kB
[  651.530358]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  651.534303] Total swap = 0kB
[  651.537306]  ? print_usage_bug+0xc0/0xc0
[  651.542292] 1965979 pages RAM
[  651.545293]  ? __lock_acquire+0x62f/0x4c20
[  651.549318] 0 pages HighMem/MovableOnly
[  651.549325] 342854 pages reserved
[  651.552420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  651.556620] 0 pages cma reserved
[  651.560578]  ? should_fail+0x22d/0xd01
[  651.564070] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  651.569520]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  651.569537]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  651.572964] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  651.576752]  ? __lock_acquire+0x62f/0x4c20
[  651.583219] syz-fuzzer cpuset=/ mems_allowed=0
[  651.588485]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  651.617646]  ? __lock_acquire+0x62f/0x4c20
[  651.621964]  ? should_fail+0x22d/0xd01
[  651.625845]  ? rcu_irq_exit+0x1a2/0x390
[  651.629828]  ? mark_held_locks+0x130/0x130
[  651.634077]  ? mark_held_locks+0x130/0x130
[  651.638351]  ? mark_held_locks+0xc7/0x130
[  651.642514]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  651.647525]  ? zap_class+0x640/0x640
[  651.651256]  ? print_usage_bug+0xc0/0xc0
[  651.655324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.660862]  ? check_preemption_disabled+0x48/0x280
[  651.665888]  ? __lock_is_held+0xb5/0x140
[  651.669950]  __alloc_pages_nodemask+0xad8/0xea0
[  651.674615]  ? zap_class+0x640/0x640
[  651.678329]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  651.683349]  ? find_held_lock+0x36/0x1c0
[  651.687413]  ? ____cache_alloc_node+0x1c7/0x1e0
[  651.692098]  ? lock_downgrade+0x900/0x900
[  651.696244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.701793]  cache_grow_begin+0xa5/0x8c0
[  651.705866]  ? do_raw_spin_unlock+0xa7/0x330
[  651.710298]  fallback_alloc+0x204/0x2e0
[  651.714277]  ____cache_alloc_node+0x1c7/0x1e0
[  651.718790]  kmem_cache_alloc_node+0xe3/0x730
[  651.723279]  ? ipv6_get_ifaddr+0x42e/0x620
[  651.727518]  __alloc_skb+0x119/0x770
[  651.731226]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  651.736504]  ? netdev_alloc_frag+0x1f0/0x1f0
[  651.740918]  ? lock_downgrade+0x900/0x900
[  651.745066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.750597]  ? refcount_sub_and_test_checked+0x203/0x310
[  651.756135]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  651.761604]  ? addrconf_rs_timer+0x690/0x690
[  651.766021]  ndisc_alloc_skb+0x144/0x340
[  651.770185]  ndisc_send_rs+0x331/0x6e0
[  651.774068]  addrconf_rs_timer+0x314/0x690
[  651.778316]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  651.782555]  call_timer_fn+0x272/0x920
[  651.786438]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  651.790672]  ? process_timeout+0x40/0x40
[  651.794736]  ? __run_timers+0x7da/0xc70
[  651.798722]  ? _raw_spin_unlock_irq+0x27/0x80
[  651.803210]  ? _raw_spin_unlock_irq+0x27/0x80
[  651.807717]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  651.812038]  ? lockdep_hardirqs_on+0x296/0x5b0
[  651.816620]  ? trace_hardirqs_on+0xbd/0x310
[  651.820939]  ? kasan_check_read+0x11/0x20
[  651.825078]  ? __run_timers+0x7da/0xc70
[  651.829050]  ? trace_hardirqs_off_caller+0x310/0x310
[  651.834149]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  651.838380]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  651.842606]  __run_timers+0x7e5/0xc70
[  651.846432]  ? timer_fixup_init+0x70/0x70
[  651.850578]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  651.855608]  ? zap_class+0x640/0x640
[  651.859322]  ? enqueue_hrtimer+0x1a5/0x560
[  651.863564]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  651.868754]  ? find_held_lock+0x36/0x1c0
[  651.872815]  ? zap_class+0x640/0x640
[  651.876527]  ? pvclock_read_flags+0x160/0x160
[  651.881017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.886555]  ? check_preemption_disabled+0x48/0x280
[  651.891570]  ? __lock_is_held+0xb5/0x140
[  651.895622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.901151]  ? check_preemption_disabled+0x48/0x280
[  651.906202]  run_timer_softirq+0x52/0xb0
[  651.910261]  ? rcu_read_lock_sched_held+0x14f/0x180
[  651.915277]  __do_softirq+0x308/0xb7e
[  651.919079]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  651.923572]  ? lock_downgrade+0x900/0x900
[  651.927731]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  651.932834]  ? pvclock_read_flags+0x160/0x160
[  651.937329]  ? lapic_next_event+0x5a/0x90
[  651.941473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.947192]  ? kvm_clock_read+0x18/0x30
[  651.951167]  ? kvm_sched_clock_read+0x9/0x20
[  651.955572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.961110]  ? check_preemption_disabled+0x48/0x280
[  651.966133]  irq_exit+0x17f/0x1c0
[  651.969580]  smp_apic_timer_interrupt+0x1cb/0x760
[  651.974413]  ? smp_reschedule_interrupt+0x109/0x650
[  651.979422]  ? smp_call_function_single_interrupt+0x650/0x650
[  651.985297]  ? interrupt_entry+0xb5/0xc0
[  651.989351]  ? trace_hardirqs_off_caller+0xbb/0x310
[  651.994362]  ? trace_hardirqs_off_caller+0xbb/0x310
[  651.999370]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  652.004202]  ? trace_hardirqs_on_caller+0x310/0x310
[  652.009211]  ? trace_hardirqs_on_caller+0x310/0x310
[  652.014305]  ? task_prio+0x50/0x50
[  652.017839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.023373]  ? check_preemption_disabled+0x48/0x280
[  652.028387]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  652.033232]  apic_timer_interrupt+0xf/0x20
[  652.037458]  </IRQ>
[  652.039691] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  652.044627] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  652.063606] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  652.071306] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  652.078566] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  652.085825] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  652.093083] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  652.100355] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  652.107645]  skb_clone+0x1bb/0x500
[  652.111189]  ? finish_task_switch+0x1b4/0x910
[  652.115681]  ? skb_split+0x11e0/0x11e0
[  652.119568]  ? preempt_notifier_register+0x200/0x200
[  652.124674]  ? __switch_to_asm+0x34/0x70
[  652.128733]  ? __switch_to_asm+0x34/0x70
[  652.132783]  ? __switch_to_asm+0x40/0x70
[  652.136834]  ? __switch_to_asm+0x34/0x70
[  652.140883]  ? __switch_to_asm+0x40/0x70
[  652.144936]  ? __switch_to_asm+0x34/0x70
[  652.148990]  ? __switch_to_asm+0x40/0x70
[  652.153042]  ? __switch_to_asm+0x34/0x70
[  652.157092]  ? __switch_to_asm+0x34/0x70
[  652.161144]  ? __switch_to_asm+0x40/0x70
[  652.165214]  ? __switch_to_asm+0x34/0x70
[  652.169288]  bpf_clone_redirect+0xb9/0x490
[  652.173519]  ? __schedule+0x8d7/0x21d0
[  652.177408]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  652.182438]  ? __sched_text_start+0x8/0x8
[  652.186581]  ? retint_kernel+0x2d/0x2d
[  652.190473]  ? find_held_lock+0x36/0x1c0
[  652.194540]  ? lock_acquire+0x1ed/0x520
[  652.198514]  ? bpf_test_run+0x3cb/0x780
[  652.202485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.208014]  ? check_preemption_disabled+0x48/0x280
[  652.213028]  ? kasan_check_read+0x11/0x20
[  652.217162]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  652.222430]  ? rcu_softirq_qs+0x20/0x20
[  652.226400]  ? preempt_schedule+0x4d/0x60
[  652.230543]  ? ___preempt_schedule+0x16/0x18
[  652.234955]  ? bpf_test_run+0x25d/0x780
[  652.239024]  ? netlink_diag_dump+0x2a0/0x2a0
[  652.243444]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  652.248976]  ? bpf_test_init.isra.10+0x70/0x100
[  652.253662]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  652.258422]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  652.263263]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  652.268815]  ? fput+0x130/0x1a0
[  652.272094]  ? __bpf_prog_get+0x9b/0x290
[  652.276155]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  652.280994]  ? bpf_prog_test_run+0x130/0x1a0
[  652.285399]  ? __x64_sys_bpf+0x3db/0x520
[  652.289457]  ? bpf_prog_get+0x20/0x20
[  652.293285]  ? do_syscall_64+0x1b9/0x820
[  652.297341]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  652.302707]  ? syscall_return_slowpath+0x5e0/0x5e0
[  652.307644]  ? trace_hardirqs_on_caller+0x310/0x310
[  652.312655]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  652.317670]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  652.324337]  ? __switch_to_asm+0x40/0x70
[  652.328394]  ? __switch_to_asm+0x34/0x70
[  652.332455]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  652.337298]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  652.342672] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  652.342755] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  652.349686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  652.349693] Call Trace:
[  652.356291] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  652.365533]  <IRQ>
[  652.368095] syz-executor5 cpuset=syz5 mems_allowed=0
[  652.378568]  dump_stack+0x244/0x39d
[  652.389399]  ? dump_stack_print_info.cold.1+0x20/0x20
[  652.394591]  warn_alloc.cold.116+0xb7/0x1bd
[  652.398907]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  652.403834]  ? lock_downgrade+0x900/0x900
[  652.407980]  ? trace_hardirqs_off+0xb8/0x310
[  652.412396]  ? trace_hardirqs_off+0xb8/0x310
[  652.416799]  __alloc_pages_slowpath+0x2651/0x2de0
[  652.421648]  ? warn_alloc+0x120/0x120
[  652.425440]  ? print_usage_bug+0xc0/0xc0
[  652.429490]  ? warn_alloc+0x120/0x120
[  652.433284]  ? warn_alloc+0x120/0x120
[  652.437076]  ? print_usage_bug+0xc0/0xc0
[  652.441132]  ? kvm_clock_read+0x18/0x30
[  652.445097]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  652.450134]  ? print_usage_bug+0xc0/0xc0
[  652.454190]  ? __lock_acquire+0x62f/0x4c20
[  652.458421]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  652.463953]  ? should_fail+0x22d/0xd01
[  652.467833]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  652.473103]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  652.478218]  ? __lock_acquire+0x62f/0x4c20
[  652.482463]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  652.487550]  ? __lock_acquire+0x62f/0x4c20
[  652.491774]  ? should_fail+0x22d/0xd01
[  652.495650]  ? rcu_irq_exit+0x1a2/0x390
[  652.499622]  ? mark_held_locks+0x130/0x130
[  652.503867]  ? mark_held_locks+0x130/0x130
[  652.508095]  ? mark_held_locks+0xc7/0x130
[  652.512233]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  652.517237]  ? zap_class+0x640/0x640
[  652.520941]  ? print_usage_bug+0xc0/0xc0
[  652.524992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.530522]  ? check_preemption_disabled+0x48/0x280
[  652.535552]  ? __lock_is_held+0xb5/0x140
[  652.539609]  __alloc_pages_nodemask+0xad8/0xea0
[  652.544280]  ? zap_class+0x640/0x640
[  652.548007]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  652.553025]  ? find_held_lock+0x36/0x1c0
[  652.557085]  ? ____cache_alloc_node+0x1c7/0x1e0
[  652.561752]  ? lock_downgrade+0x900/0x900
[  652.565927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.571459]  cache_grow_begin+0xa5/0x8c0
[  652.575511]  ? do_raw_spin_unlock+0xa7/0x330
[  652.579927]  fallback_alloc+0x204/0x2e0
[  652.583904]  ____cache_alloc_node+0x1c7/0x1e0
[  652.588399]  kmem_cache_alloc_node+0xe3/0x730
[  652.592888]  ? ipv6_get_ifaddr+0x42e/0x620
[  652.597122]  __alloc_skb+0x119/0x770
[  652.600827]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  652.606099]  ? netdev_alloc_frag+0x1f0/0x1f0
[  652.610864]  ? lock_downgrade+0x900/0x900
[  652.615014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.620553]  ? refcount_sub_and_test_checked+0x203/0x310
[  652.625998]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  652.631445]  ? addrconf_rs_timer+0x690/0x690
[  652.635856]  ndisc_alloc_skb+0x144/0x340
[  652.639914]  ndisc_send_rs+0x331/0x6e0
[  652.643816]  addrconf_rs_timer+0x314/0x690
[  652.648052]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  652.652291]  call_timer_fn+0x272/0x920
[  652.656660]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  652.660931]  ? process_timeout+0x40/0x40
[  652.665113]  ? mark_held_locks+0xc7/0x130
[  652.669261]  ? _raw_spin_unlock_irq+0x27/0x80
[  652.673752]  ? _raw_spin_unlock_irq+0x27/0x80
[  652.678326]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  652.682554]  ? lockdep_hardirqs_on+0x296/0x5b0
[  652.687135]  ? trace_hardirqs_on+0xbd/0x310
[  652.691450]  ? kasan_check_read+0x11/0x20
[  652.695608]  ? __run_timers+0x7da/0xc70
[  652.699583]  ? trace_hardirqs_off_caller+0x310/0x310
[  652.704695]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  652.708947]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  652.713178]  __run_timers+0x7e5/0xc70
[  652.717007]  ? timer_fixup_init+0x70/0x70
[  652.721155]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  652.726167]  ? zap_class+0x640/0x640
[  652.729880]  ? print_usage_bug+0xc0/0xc0
[  652.733936]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  652.739123]  ? find_held_lock+0x36/0x1c0
[  652.743178]  ? zap_class+0x640/0x640
[  652.746892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.752438]  ? check_preemption_disabled+0x48/0x280
[  652.757464]  ? __lock_is_held+0xb5/0x140
[  652.761515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.767046]  ? check_preemption_disabled+0x48/0x280
[  652.772059]  run_timer_softirq+0x52/0xb0
[  652.776117]  ? rcu_read_lock_sched_held+0x14f/0x180
[  652.781131]  __do_softirq+0x308/0xb7e
[  652.784930]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  652.789419]  ? lock_downgrade+0x900/0x900
[  652.793566]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  652.798672]  ? pvclock_read_flags+0x160/0x160
[  652.803168]  ? lapic_next_event+0x5a/0x90
[  652.807314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.812849]  ? kvm_clock_read+0x18/0x30
[  652.816820]  ? kvm_sched_clock_read+0x9/0x20
[  652.821228]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  652.827034]  ? check_preemption_disabled+0x48/0x280
[  652.832052]  irq_exit+0x17f/0x1c0
[  652.835504]  smp_apic_timer_interrupt+0x1cb/0x760
[  652.840343]  ? smp_reschedule_interrupt+0x109/0x650
[  652.845355]  ? smp_call_function_single_interrupt+0x650/0x650
[  652.851261]  ? interrupt_entry+0xb5/0xc0
[  652.855318]  ? trace_hardirqs_off_caller+0xbb/0x310
[  652.860341]  ? trace_hardirqs_off_caller+0xbb/0x310
[  652.865365]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  652.870204]  ? trace_hardirqs_on_caller+0x310/0x310
[  652.875218]  ? trace_hardirqs_on_caller+0x310/0x310
[  652.880228]  ? task_prio+0x50/0x50
[  652.883762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.889301]  ? check_preemption_disabled+0x48/0x280
[  652.894318]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  652.899166]  apic_timer_interrupt+0xf/0x20
[  652.903388]  </IRQ>
[  652.905626] RIP: 0010:dump_stack+0x358/0x39d
[  652.910138] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  652.929031] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  652.936737] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  652.944004] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  652.951265] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  652.958529] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  652.965794] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  652.973075]  ? dump_stack+0x34f/0x39d
[  652.976882]  ? dump_stack_print_info.cold.1+0x20/0x20
[  652.982096]  ? mark_held_locks+0x130/0x130
[  652.986327]  ? mark_held_locks+0x130/0x130
[  652.990565]  dump_header+0x27b/0xf72
[  652.994282]  ? pagefault_out_of_memory+0x197/0x197
[  652.999299]  ? __lock_acquire+0x62f/0x4c20
[  653.003535]  ? percpu_ref_get_many+0x240/0x240
[  653.008117]  ? print_usage_bug+0xc0/0xc0
[  653.012193]  ? zap_class+0x640/0x640
[  653.015903]  ? print_usage_bug+0xc0/0xc0
[  653.019964]  ? print_usage_bug+0xc0/0xc0
[  653.024028]  ? zap_class+0x640/0x640
[  653.027747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.033290]  ? find_held_lock+0x36/0x1c0
[  653.037355]  ? mark_held_locks+0xc7/0x130
[  653.041499]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  653.046593]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  653.051698]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  653.056294]  ? trace_hardirqs_on+0xbd/0x310
[  653.060626]  ? kasan_check_read+0x11/0x20
[  653.064767]  ? ___ratelimit+0x3b4/0x672
[  653.068737]  ? trace_hardirqs_off_caller+0x310/0x310
[  653.073833]  ? trace_hardirqs_on+0x310/0x310
[  653.078245]  ? lock_downgrade+0x900/0x900
[  653.082408]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  653.087507]  ? ___ratelimit+0x3b9/0x672
[  653.091476]  ? idr_get_free+0xf70/0xf70
[  653.095443]  ? find_held_lock+0x36/0x1c0
[  653.099527]  oom_kill_process.cold.27+0x10/0x903
[  653.104275]  ? zap_class+0x640/0x640
[  653.107983]  ? check_preemption_disabled+0x48/0x280
[  653.112996]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  653.117928]  ? kasan_check_read+0x11/0x20
[  653.122070]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  653.127344]  ? oom_evaluate_task+0x540/0x540
[  653.131749]  ? find_held_lock+0x36/0x1c0
[  653.135817]  ? out_of_memory+0x974/0x1430
[  653.139978]  ? lock_downgrade+0x900/0x900
[  653.144122]  ? check_preemption_disabled+0x48/0x280
[  653.149133]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  653.154056]  ? kasan_check_read+0x11/0x20
[  653.158200]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  653.163468]  ? rcu_softirq_qs+0x20/0x20
[  653.167472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  653.173001]  ? oom_evaluate_task+0x302/0x540
[  653.177408]  out_of_memory+0xa84/0x1430
[  653.181383]  ? oom_killer_disable+0x3a0/0x3a0
[  653.185878]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  653.190812]  ? __ww_mutex_check_waiters+0x160/0x160
[  653.195842]  __alloc_pages_slowpath+0x232c/0x2de0
[  653.200708]  ? warn_alloc+0x120/0x120
[  653.204524]  ? mark_held_locks+0x130/0x130
[  653.208761]  ? find_get_entry+0xaae/0x1120
[  653.213006]  ? filemap_map_pages+0x1a20/0x1a20
[  653.217592]  ? zap_class+0x640/0x640
[  653.221321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.226856]  ? check_preemption_disabled+0x48/0x280
[  653.231988]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  653.237532]  ? should_fail+0x22d/0xd01
[  653.241415]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  653.246511]  ? zap_class+0x640/0x640
[  653.250240]  ? __lock_is_held+0xb5/0x140
[  653.254307]  ? mark_held_locks+0x130/0x130
[  653.258540]  ? lock_release+0xa00/0xa00
[  653.262509]  ? perf_trace_sched_process_exec+0x860/0x860
[  653.267953]  ? xa_load+0x2ba/0x460
[  653.271489]  ? lock_downgrade+0x900/0x900
[  653.275637]  ? __might_sleep+0x95/0x190
[  653.279614]  __alloc_pages_nodemask+0xad8/0xea0
[  653.284284]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  653.289396]  ? __page_cache_alloc+0x191/0x5c0
[  653.293888]  ? xa_load+0x2e1/0x460
[  653.297426]  ? xa_clear_mark+0x40/0x40
[  653.301305]  ? zap_class+0x640/0x640
[  653.305012]  ? zap_class+0x640/0x640
[  653.308732]  ? zap_class+0x640/0x640
[  653.312443]  ? zap_class+0x640/0x640
[  653.316149]  ? __do_page_cache_readahead+0x663/0x810
[  653.321250]  ? find_held_lock+0x36/0x1c0
[  653.325331]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  653.330957]  alloc_pages_current+0x173/0x350
[  653.335369]  __page_cache_alloc+0x38c/0x5c0
[  653.339689]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  653.344619]  ? kasan_check_read+0x11/0x20
[  653.348764]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  653.354038]  ? generic_perform_write+0x6a0/0x6a0
[  653.358809]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  653.364351]  ? check_preemption_disabled+0x48/0x280
[  653.369367]  filemap_fault+0x1595/0x25f0
[  653.373431]  ? __lock_page_or_retry+0xa00/0xa00
[  653.378099]  ? mark_held_locks+0x130/0x130
[  653.382339]  ? filemap_map_pages+0xd6b/0x1a20
[  653.386828]  ? lock_downgrade+0x900/0x900
[  653.390981]  ? check_preemption_disabled+0x48/0x280
[  653.396004]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  653.400987]  ? kasan_check_read+0x11/0x20
[  653.405126]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  653.410403]  ? rcu_softirq_qs+0x20/0x20
[  653.414396]  ? filemap_map_pages+0xd92/0x1a20
[  653.418888]  ? queue_work_on+0x12c/0x1e0
[  653.422949]  ? find_get_entries_tag+0x1400/0x1400
[  653.427792]  ? debug_object_destroy+0x2b0/0x2b0
[  653.432469]  ? lock_pi_update_atomic+0x150/0x150
[  653.437237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.442784]  ? lock_acquire+0x1ed/0x520
[  653.446751]  ? ext4_filemap_fault+0x7a/0xad
[  653.451071]  ? lock_release+0xa00/0xa00
[  653.455042]  ? perf_trace_sched_process_exec+0x860/0x860
[  653.460490]  ? print_usage_bug+0xc0/0xc0
[  653.464543]  ? print_usage_bug+0xc0/0xc0
[  653.468608]  ? down_read+0x8d/0x120
[  653.472578]  ? ext4_filemap_fault+0x7a/0xad
[  653.476915]  ? __down_interruptible+0x700/0x700
[  653.481591]  ext4_filemap_fault+0x82/0xad
[  653.485756]  __do_fault+0x100/0x6b0
[  653.489374]  ? find_held_lock+0x36/0x1c0
[  653.493447]  ? pmd_devmap_trans_unstable+0x220/0x220
[  653.498558]  ? mark_held_locks+0x130/0x130
[  653.502793]  ? mark_held_locks+0x130/0x130
[  653.507028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  653.512574]  __handle_mm_fault+0x3ea0/0x5be0
[  653.516981]  ? perf_trace_lock+0x7a0/0x7a0
[  653.521218]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  653.526081]  ? __switch_to_asm+0x34/0x70
[  653.530139]  ? __switch_to_asm+0x34/0x70
[  653.534206]  ? zap_class+0x640/0x640
[  653.537934]  ? zap_class+0x640/0x640
[  653.541637]  ? __x64_sys_futex+0x53e/0x6a0
[  653.545864]  ? find_held_lock+0x36/0x1c0
[  653.549925]  ? handle_mm_fault+0x42a/0xc70
[  653.554160]  ? lock_downgrade+0x900/0x900
[  653.558320]  ? check_preemption_disabled+0x48/0x280
[  653.563338]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  653.568263]  ? kasan_check_read+0x11/0x20
[  653.572409]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  653.577687]  ? rcu_softirq_qs+0x20/0x20
[  653.581659]  ? trace_hardirqs_off_caller+0x310/0x310
[  653.586766]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  653.592299]  ? check_preemption_disabled+0x48/0x280
[  653.597314]  handle_mm_fault+0x54f/0xc70
[  653.601371]  ? __handle_mm_fault+0x5be0/0x5be0
[  653.605968]  ? find_vma+0x34/0x190
[  653.609605]  __do_page_fault+0x5e8/0xe60
[  653.613665]  ? trace_hardirqs_off+0xb8/0x310
[  653.618112]  do_page_fault+0xf2/0x7e0
[  653.621910]  ? vmalloc_sync_all+0x30/0x30
[  653.626069]  ? error_entry+0x70/0xd0
[  653.629776]  ? trace_hardirqs_off_caller+0xbb/0x310
[  653.634824]  ? trace_hardirqs_on_caller+0xc0/0x310
[  653.639753]  ? syscall_return_slowpath+0x5e0/0x5e0
[  653.644684]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  653.649532]  ? trace_hardirqs_on_caller+0x310/0x310
[  653.654542]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  653.659989]  ? prepare_exit_to_usermode+0x291/0x3b0
[  653.664999]  ? page_fault+0x8/0x30
[  653.668536]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  653.673374]  ? page_fault+0x8/0x30
[  653.676909]  page_fault+0x1e/0x30
[  653.680354] RIP: 0033:0x40f9c0
[  653.683554] Code: Bad RIP value.
[  653.686907] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  653.692264] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  653.699524] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  653.706784] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  653.714052] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  653.721317] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  653.728605] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  653.728610] warn_alloc_show_mem: 1 callbacks suppressed
[  653.728617] Mem-Info:
[  653.735885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  653.741247] active_anon:54071 inactive_anon:192 isolated_anon:0
[  653.741247]  active_file:13 inactive_file:14 isolated_file:0
[  653.741247]  unevictable:0 dirty:0 writeback:0 unstable:0
[  653.741247]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  653.741247]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  653.741247]  free:13779 free_pcp:228 free_cma:0
[  653.743615] Call Trace:
[  653.753002] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  653.785840]  <IRQ>
[  653.788417] 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
[  653.815944]  dump_stack+0x244/0x39d
[  653.818057] lowmem_reserve[]: 0 2818 6321 6321
[  653.844479]  ? dump_stack_print_info.cold.1+0x20/0x20
[  653.848079] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  653.852661]  warn_alloc.cold.116+0xb7/0x1bd
[  653.857819] lowmem_reserve[]: 0 0 3503 3503
[  653.885306]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  653.889597] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  653.893910]  ? lock_downgrade+0x900/0x900
[  653.898727] lowmem_reserve[]: 0 0 0 0
[  653.927610]  ? trace_hardirqs_off+0xb8/0x310
[  653.931727] 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
[  653.935525]  ? trace_hardirqs_off+0xb8/0x310
[  653.939905] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  653.953424]  __alloc_pages_slowpath+0x2651/0x2de0
[  653.957804] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  653.973715]  ? warn_alloc+0x120/0x120
[  653.978527] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  653.994115]  ? print_usage_bug+0xc0/0xc0
[  653.997891] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  654.006706]  ? warn_alloc+0x120/0x120
[  654.006722]  ? warn_alloc+0x120/0x120
[  654.010753] 271 total pagecache pages
[  654.019327]  ? print_usage_bug+0xc0/0xc0
[  654.023103] 0 pages in swap cache
[  654.026905]  ? kvm_clock_read+0x18/0x30
[  654.030683] Swap cache stats: add 0, delete 0, find 0/0
[  654.034728]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  654.038150] Free swap  = 0kB
[  654.042107]  ? print_usage_bug+0xc0/0xc0
[  654.047447] Total swap = 0kB
[  654.052448]  ? __lock_acquire+0x62f/0x4c20
[  654.055438] 1965979 pages RAM
[  654.059484]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  654.062529] 0 pages HighMem/MovableOnly
[  654.062536] 342854 pages reserved
[  654.066758]  ? should_fail+0x22d/0xd01
[  654.069834] 0 pages cma reserved
[  654.075366]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  654.079381] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  654.082759]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  654.082773]  ? __lock_acquire+0x62f/0x4c20
[  654.082790]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  654.086715] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  654.090005]  ? __lock_acquire+0x62f/0x4c20
[  654.095267] syz-fuzzer cpuset=/ mems_allowed=0
[  654.101739]  ? should_fail+0x22d/0xd01
[  654.101752]  ? rcu_irq_exit+0x1a2/0x390
[  654.143015]  ? mark_held_locks+0x130/0x130
[  654.147248]  ? mark_held_locks+0x130/0x130
[  654.151477]  ? mark_held_locks+0xc7/0x130
[  654.155616]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  654.160625]  ? zap_class+0x640/0x640
[  654.164359]  ? print_usage_bug+0xc0/0xc0
[  654.168418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.173951]  ? check_preemption_disabled+0x48/0x280
[  654.178972]  ? __lock_is_held+0xb5/0x140
[  654.183153]  __alloc_pages_nodemask+0xad8/0xea0
[  654.187902]  ? zap_class+0x640/0x640
[  654.191627]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  654.196652]  ? find_held_lock+0x36/0x1c0
[  654.200726]  ? ____cache_alloc_node+0x1c7/0x1e0
[  654.205389]  ? lock_downgrade+0x900/0x900
[  654.209538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.215076]  cache_grow_begin+0xa5/0x8c0
[  654.219130]  ? do_raw_spin_unlock+0xa7/0x330
[  654.223567]  fallback_alloc+0x204/0x2e0
[  654.227542]  ____cache_alloc_node+0x1c7/0x1e0
[  654.232149]  kmem_cache_alloc_node+0xe3/0x730
[  654.236644]  ? ipv6_get_ifaddr+0x42e/0x620
[  654.240889]  __alloc_skb+0x119/0x770
[  654.244596]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  654.249881]  ? netdev_alloc_frag+0x1f0/0x1f0
[  654.254284]  ? lock_downgrade+0x900/0x900
[  654.258462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.263994]  ? refcount_sub_and_test_checked+0x203/0x310
[  654.269455]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  654.274898]  ? addrconf_rs_timer+0x690/0x690
[  654.279310]  ndisc_alloc_skb+0x144/0x340
[  654.283369]  ndisc_send_rs+0x331/0x6e0
[  654.287254]  addrconf_rs_timer+0x314/0x690
[  654.291500]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  654.295734]  call_timer_fn+0x272/0x920
[  654.299610]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  654.303837]  ? process_timeout+0x40/0x40
[  654.307919]  ? __run_timers+0x7da/0xc70
[  654.311890]  ? _raw_spin_unlock_irq+0x27/0x80
[  654.316466]  ? _raw_spin_unlock_irq+0x27/0x80
[  654.320954]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  654.325190]  ? lockdep_hardirqs_on+0x296/0x5b0
[  654.329767]  ? trace_hardirqs_on+0xbd/0x310
[  654.334083]  ? kasan_check_read+0x11/0x20
[  654.338223]  ? __run_timers+0x7da/0xc70
[  654.342192]  ? trace_hardirqs_off_caller+0x310/0x310
[  654.347309]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  654.351546]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  654.355777]  __run_timers+0x7e5/0xc70
[  654.359579]  ? timer_fixup_init+0x70/0x70
[  654.363725]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  654.368738]  ? zap_class+0x640/0x640
[  654.372452]  ? enqueue_hrtimer+0x1a5/0x560
[  654.376691]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  654.381882]  ? find_held_lock+0x36/0x1c0
[  654.385944]  ? zap_class+0x640/0x640
[  654.389664]  ? pvclock_read_flags+0x160/0x160
[  654.394175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.399722]  ? check_preemption_disabled+0x48/0x280
[  654.404740]  ? __lock_is_held+0xb5/0x140
[  654.408795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.414342]  ? check_preemption_disabled+0x48/0x280
[  654.419356]  run_timer_softirq+0x52/0xb0
[  654.423410]  ? rcu_read_lock_sched_held+0x14f/0x180
[  654.428424]  __do_softirq+0x308/0xb7e
[  654.432223]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  654.436718]  ? lock_downgrade+0x900/0x900
[  654.440867]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  654.445970]  ? pvclock_read_flags+0x160/0x160
[  654.450460]  ? lapic_next_event+0x5a/0x90
[  654.454603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.460140]  ? kvm_clock_read+0x18/0x30
[  654.464114]  ? kvm_sched_clock_read+0x9/0x20
[  654.468523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.474052]  ? check_preemption_disabled+0x48/0x280
[  654.479068]  irq_exit+0x17f/0x1c0
[  654.482514]  smp_apic_timer_interrupt+0x1cb/0x760
[  654.487349]  ? smp_reschedule_interrupt+0x109/0x650
[  654.492358]  ? smp_call_function_single_interrupt+0x650/0x650
[  654.498237]  ? interrupt_entry+0xb5/0xc0
[  654.502312]  ? trace_hardirqs_off_caller+0xbb/0x310
[  654.507423]  ? trace_hardirqs_off_caller+0xbb/0x310
[  654.512435]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  654.517369]  ? trace_hardirqs_on_caller+0x310/0x310
[  654.522395]  ? trace_hardirqs_on_caller+0x310/0x310
[  654.527410]  ? task_prio+0x50/0x50
[  654.530945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.536478]  ? check_preemption_disabled+0x48/0x280
[  654.541505]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  654.546348]  apic_timer_interrupt+0xf/0x20
[  654.550592]  </IRQ>
[  654.552826] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  654.557749] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  654.576643] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  654.584349] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  654.591698] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  654.599065] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  654.606327] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  654.613590] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  654.620888]  skb_clone+0x1bb/0x500
[  654.624433]  ? finish_task_switch+0x1b4/0x910
[  654.628954]  ? skb_split+0x11e0/0x11e0
[  654.632841]  ? preempt_notifier_register+0x200/0x200
[  654.637941]  ? __switch_to_asm+0x34/0x70
[  654.641999]  ? __switch_to_asm+0x34/0x70
[  654.646070]  ? __switch_to_asm+0x40/0x70
[  654.650124]  ? __switch_to_asm+0x34/0x70
[  654.654184]  ? __switch_to_asm+0x40/0x70
[  654.658545]  ? __switch_to_asm+0x34/0x70
[  654.662599]  ? __switch_to_asm+0x40/0x70
[  654.666659]  ? __switch_to_asm+0x34/0x70
[  654.670718]  ? __switch_to_asm+0x34/0x70
[  654.674789]  ? __switch_to_asm+0x40/0x70
[  654.678843]  ? __switch_to_asm+0x34/0x70
[  654.682909]  bpf_clone_redirect+0xb9/0x490
[  654.687140]  ? __schedule+0x8d7/0x21d0
[  654.691028]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  654.696052]  ? __sched_text_start+0x8/0x8
[  654.700200]  ? retint_kernel+0x2d/0x2d
[  654.704094]  ? find_held_lock+0x36/0x1c0
[  654.708156]  ? lock_acquire+0x1ed/0x520
[  654.712129]  ? bpf_test_run+0x3cb/0x780
[  654.716099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.721638]  ? check_preemption_disabled+0x48/0x280
[  654.726679]  ? kasan_check_read+0x11/0x20
[  654.730817]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  654.736085]  ? rcu_softirq_qs+0x20/0x20
[  654.740056]  ? preempt_schedule+0x4d/0x60
[  654.744204]  ? ___preempt_schedule+0x16/0x18
[  654.748613]  ? bpf_test_run+0x25d/0x780
[  654.752600]  ? netlink_diag_dump+0x2a0/0x2a0
[  654.757007]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  654.762537]  ? bpf_test_init.isra.10+0x70/0x100
[  654.767214]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  654.771977]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  654.776813]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  654.782346]  ? fput+0x130/0x1a0
[  654.785624]  ? __bpf_prog_get+0x9b/0x290
[  654.789694]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  654.794537]  ? bpf_prog_test_run+0x130/0x1a0
[  654.798948]  ? __x64_sys_bpf+0x3db/0x520
[  654.803004]  ? bpf_prog_get+0x20/0x20
[  654.806822]  ? do_syscall_64+0x1b9/0x820
[  654.810878]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  654.816241]  ? syscall_return_slowpath+0x5e0/0x5e0
[  654.821171]  ? trace_hardirqs_on_caller+0x310/0x310
[  654.826746]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  654.831766]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  654.838515]  ? __switch_to_asm+0x40/0x70
[  654.842570]  ? __switch_to_asm+0x34/0x70
[  654.846632]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  654.851489]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  654.856894] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  654.857001] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  654.863906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  654.863912] Call Trace:
[  654.863920]  <IRQ>
[  654.863939]  dump_stack+0x244/0x39d
[  654.863958]  ? dump_stack_print_info.cold.1+0x20/0x20
[  654.870483] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  654.879797]  warn_alloc.cold.116+0xb7/0x1bd
[  654.882348] syz-executor5 cpuset=syz5 mems_allowed=0
[  654.884489]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  654.917953]  ? lock_downgrade+0x900/0x900
[  654.922110]  ? trace_hardirqs_off+0xb8/0x310
[  654.926521]  ? trace_hardirqs_off+0xb8/0x310
[  654.930931]  __alloc_pages_slowpath+0x2651/0x2de0
[  654.935797]  ? warn_alloc+0x120/0x120
[  654.939601]  ? print_usage_bug+0xc0/0xc0
[  654.943663]  ? warn_alloc+0x120/0x120
[  654.947466]  ? warn_alloc+0x120/0x120
[  654.951269]  ? print_usage_bug+0xc0/0xc0
[  654.955333]  ? print_usage_bug+0xc0/0xc0
[  654.959392]  ? __lock_acquire+0x62f/0x4c20
[  654.963628]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  654.969171]  ? should_fail+0x22d/0xd01
[  654.973073]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  654.978176]  ? __lock_acquire+0x62f/0x4c20
[  654.982409]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  654.987505]  ? __lock_acquire+0x62f/0x4c20
[  654.991732]  ? should_fail+0x22d/0xd01
[  654.995617]  ? find_held_lock+0x36/0x1c0
[  654.999692]  ? mark_held_locks+0x130/0x130
[  655.003932]  ? mark_held_locks+0x130/0x130
[  655.008167]  ? zap_class+0x640/0x640
[  655.011878]  ? zap_class+0x640/0x640
[  655.015587]  ? print_usage_bug+0xc0/0xc0
[  655.019657]  ? do_raw_spin_unlock+0xa7/0x330
[  655.024069]  ? zap_class+0x640/0x640
[  655.027795]  ? print_usage_bug+0xc0/0xc0
[  655.031855]  ? wq_watchdog_touch+0x9c/0xfe
[  655.036088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.041623]  ? check_preemption_disabled+0x48/0x280
[  655.046654]  ? __lock_is_held+0xb5/0x140
[  655.050715]  __alloc_pages_nodemask+0xad8/0xea0
[  655.055374]  ? zap_class+0x640/0x640
[  655.059086]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  655.064108]  ? find_held_lock+0x36/0x1c0
[  655.068174]  ? ____cache_alloc_node+0x1c7/0x1e0
[  655.072838]  ? lock_downgrade+0x900/0x900
[  655.076985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.082525]  cache_grow_begin+0xa5/0x8c0
[  655.086583]  ? do_raw_spin_unlock+0xa7/0x330
[  655.090997]  fallback_alloc+0x204/0x2e0
[  655.094976]  ____cache_alloc_node+0x1c7/0x1e0
[  655.099469]  kmem_cache_alloc_node+0xe3/0x730
[  655.103964]  ? ipv6_get_ifaddr+0x42e/0x620
[  655.108207]  __alloc_skb+0x119/0x770
[  655.111918]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  655.117202]  ? netdev_alloc_frag+0x1f0/0x1f0
[  655.121694]  ? lock_downgrade+0x900/0x900
[  655.125885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.131417]  ? refcount_sub_and_test_checked+0x203/0x310
[  655.136866]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  655.142310]  ? addrconf_rs_timer+0x690/0x690
[  655.146724]  ndisc_alloc_skb+0x144/0x340
[  655.150796]  ndisc_send_rs+0x331/0x6e0
[  655.154687]  addrconf_rs_timer+0x314/0x690
[  655.158923]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  655.163163]  call_timer_fn+0x272/0x920
[  655.167059]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  655.171285]  ? process_timeout+0x40/0x40
[  655.175349]  ? mark_held_locks+0xc7/0x130
[  655.179492]  ? _raw_spin_unlock_irq+0x27/0x80
[  655.183989]  ? _raw_spin_unlock_irq+0x27/0x80
[  655.188491]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  655.192733]  ? lockdep_hardirqs_on+0x296/0x5b0
[  655.197312]  ? trace_hardirqs_on+0xbd/0x310
[  655.201620]  ? kasan_check_read+0x11/0x20
[  655.205774]  ? __run_timers+0x7da/0xc70
[  655.209861]  ? trace_hardirqs_off_caller+0x310/0x310
[  655.214965]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  655.219197]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  655.223432]  __run_timers+0x7e5/0xc70
[  655.227235]  ? timer_fixup_init+0x70/0x70
[  655.231394]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  655.236404]  ? zap_class+0x640/0x640
[  655.240203]  ? print_usage_bug+0xc0/0xc0
[  655.244265]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  655.249455]  ? find_held_lock+0x36/0x1c0
[  655.253524]  ? zap_class+0x640/0x640
[  655.257234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.262763]  ? check_preemption_disabled+0x48/0x280
[  655.267783]  ? __lock_is_held+0xb5/0x140
[  655.271843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.277389]  ? check_preemption_disabled+0x48/0x280
[  655.282403]  run_timer_softirq+0x52/0xb0
[  655.286457]  ? rcu_read_lock_sched_held+0x14f/0x180
[  655.291499]  __do_softirq+0x308/0xb7e
[  655.295294]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  655.299781]  ? lock_downgrade+0x900/0x900
[  655.303925]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  655.309039]  ? pvclock_read_flags+0x160/0x160
[  655.313531]  ? lapic_next_event+0x5a/0x90
[  655.317682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.323225]  ? kvm_clock_read+0x18/0x30
[  655.327193]  ? kvm_sched_clock_read+0x9/0x20
[  655.331600]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  655.337143]  ? check_preemption_disabled+0x48/0x280
[  655.342158]  irq_exit+0x17f/0x1c0
[  655.345608]  smp_apic_timer_interrupt+0x1cb/0x760
[  655.350448]  ? smp_reschedule_interrupt+0x109/0x650
[  655.355459]  ? smp_call_function_single_interrupt+0x650/0x650
[  655.361425]  ? interrupt_entry+0xb5/0xc0
[  655.365569]  ? trace_hardirqs_off_caller+0xbb/0x310
[  655.370578]  ? trace_hardirqs_off_caller+0xbb/0x310
[  655.375777]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  655.380635]  ? trace_hardirqs_on_caller+0x310/0x310
[  655.385658]  ? trace_hardirqs_on_caller+0x310/0x310
[  655.390697]  ? task_prio+0x50/0x50
[  655.394239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.399770]  ? check_preemption_disabled+0x48/0x280
[  655.404788]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  655.409678]  apic_timer_interrupt+0xf/0x20
[  655.413917]  </IRQ>
[  655.416150] RIP: 0010:dump_stack+0x358/0x39d
[  655.420557] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  655.439473] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  655.447179] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  655.454441] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  655.461718] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  655.468983] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  655.476247] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  655.483528]  ? dump_stack+0x34f/0x39d
[  655.487338]  ? dump_stack_print_info.cold.1+0x20/0x20
[  655.492525]  ? mark_held_locks+0x130/0x130
[  655.496759]  ? mark_held_locks+0x130/0x130
[  655.500997]  dump_header+0x27b/0xf72
[  655.504723]  ? pagefault_out_of_memory+0x197/0x197
[  655.509669]  ? __lock_acquire+0x62f/0x4c20
[  655.513904]  ? percpu_ref_get_many+0x240/0x240
[  655.518483]  ? print_usage_bug+0xc0/0xc0
[  655.522548]  ? zap_class+0x640/0x640
[  655.526257]  ? print_usage_bug+0xc0/0xc0
[  655.530311]  ? print_usage_bug+0xc0/0xc0
[  655.534365]  ? zap_class+0x640/0x640
[  655.538073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.543605]  ? find_held_lock+0x36/0x1c0
[  655.547679]  ? mark_held_locks+0xc7/0x130
[  655.551842]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  655.557026]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  655.562233]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  655.566809]  ? trace_hardirqs_on+0xbd/0x310
[  655.571154]  ? kasan_check_read+0x11/0x20
[  655.575296]  ? ___ratelimit+0x3b4/0x672
[  655.579269]  ? trace_hardirqs_off_caller+0x310/0x310
[  655.584399]  ? trace_hardirqs_on+0x310/0x310
[  655.588818]  ? lock_downgrade+0x900/0x900
[  655.592986]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  655.598100]  ? ___ratelimit+0x3b9/0x672
[  655.602073]  ? idr_get_free+0xf70/0xf70
[  655.606038]  ? find_held_lock+0x36/0x1c0
[  655.610103]  oom_kill_process.cold.27+0x10/0x903
[  655.614852]  ? zap_class+0x640/0x640
[  655.618559]  ? check_preemption_disabled+0x48/0x280
[  655.623570]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  655.628488]  ? kasan_check_read+0x11/0x20
[  655.632745]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  655.638190]  ? oom_evaluate_task+0x540/0x540
[  655.642597]  ? find_held_lock+0x36/0x1c0
[  655.646673]  ? out_of_memory+0x974/0x1430
[  655.650816]  ? lock_downgrade+0x900/0x900
[  655.655084]  ? check_preemption_disabled+0x48/0x280
[  655.660099]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  655.665023]  ? kasan_check_read+0x11/0x20
[  655.669165]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  655.674435]  ? rcu_softirq_qs+0x20/0x20
[  655.678407]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  655.683937]  ? oom_evaluate_task+0x302/0x540
[  655.688343]  out_of_memory+0xa84/0x1430
[  655.692322]  ? oom_killer_disable+0x3a0/0x3a0
[  655.696813]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  655.701742]  ? __ww_mutex_check_waiters+0x160/0x160
[  655.706766]  __alloc_pages_slowpath+0x232c/0x2de0
[  655.711636]  ? warn_alloc+0x120/0x120
[  655.715451]  ? mark_held_locks+0x130/0x130
[  655.719691]  ? find_get_entry+0xaae/0x1120
[  655.723928]  ? filemap_map_pages+0x1a20/0x1a20
[  655.728523]  ? zap_class+0x640/0x640
[  655.732234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.737765]  ? check_preemption_disabled+0x48/0x280
[  655.742895]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  655.748429]  ? should_fail+0x22d/0xd01
[  655.752319]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  655.757416]  ? zap_class+0x640/0x640
[  655.761147]  ? __lock_is_held+0xb5/0x140
[  655.765213]  ? mark_held_locks+0x130/0x130
[  655.769452]  ? lock_release+0xa00/0xa00
[  655.773422]  ? perf_trace_sched_process_exec+0x860/0x860
[  655.778867]  ? xa_load+0x2ba/0x460
[  655.782408]  ? lock_downgrade+0x900/0x900
[  655.786553]  ? __might_sleep+0x95/0x190
[  655.790525]  __alloc_pages_nodemask+0xad8/0xea0
[  655.795207]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  655.800216]  ? __page_cache_alloc+0x191/0x5c0
[  655.804704]  ? xa_load+0x2e1/0x460
[  655.808242]  ? xa_clear_mark+0x40/0x40
[  655.812126]  ? zap_class+0x640/0x640
[  655.815862]  ? zap_class+0x640/0x640
[  655.819581]  ? zap_class+0x640/0x640
[  655.823288]  ? zap_class+0x640/0x640
[  655.827022]  ? __do_page_cache_readahead+0x663/0x810
[  655.832137]  ? find_held_lock+0x36/0x1c0
[  655.836213]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  655.841753]  alloc_pages_current+0x173/0x350
[  655.846160]  __page_cache_alloc+0x38c/0x5c0
[  655.850476]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  655.855401]  ? kasan_check_read+0x11/0x20
[  655.859543]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  655.864839]  ? generic_perform_write+0x6a0/0x6a0
[  655.869588]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  655.875143]  ? check_preemption_disabled+0x48/0x280
[  655.880169]  filemap_fault+0x1595/0x25f0
[  655.884234]  ? __lock_page_or_retry+0xa00/0xa00
[  655.888898]  ? mark_held_locks+0x130/0x130
[  655.893242]  ? filemap_map_pages+0xd6b/0x1a20
[  655.897738]  ? lock_downgrade+0x900/0x900
[  655.901885]  ? check_preemption_disabled+0x48/0x280
[  655.906899]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  655.911822]  ? kasan_check_read+0x11/0x20
[  655.915967]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  655.921237]  ? rcu_softirq_qs+0x20/0x20
[  655.925218]  ? filemap_map_pages+0xd92/0x1a20
[  655.929713]  ? queue_work_on+0x12c/0x1e0
[  655.933785]  ? find_get_entries_tag+0x1400/0x1400
[  655.938634]  ? debug_object_destroy+0x2b0/0x2b0
[  655.943302]  ? lock_pi_update_atomic+0x150/0x150
[  655.948049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.953593]  ? lock_acquire+0x1ed/0x520
[  655.957569]  ? ext4_filemap_fault+0x7a/0xad
[  655.961888]  ? lock_release+0xa00/0xa00
[  655.965853]  ? perf_trace_sched_process_exec+0x860/0x860
[  655.971296]  ? print_usage_bug+0xc0/0xc0
[  655.975350]  ? print_usage_bug+0xc0/0xc0
[  655.979420]  ? down_read+0x8d/0x120
[  655.983041]  ? ext4_filemap_fault+0x7a/0xad
[  655.987363]  ? __down_interruptible+0x700/0x700
[  655.992056]  ext4_filemap_fault+0x82/0xad
[  655.996200]  __do_fault+0x100/0x6b0
[  655.999822]  ? find_held_lock+0x36/0x1c0
[  656.003880]  ? pmd_devmap_trans_unstable+0x220/0x220
[  656.008996]  ? mark_held_locks+0x130/0x130
[  656.013243]  ? mark_held_locks+0x130/0x130
[  656.017478]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  656.023014]  __handle_mm_fault+0x3ea0/0x5be0
[  656.027415]  ? perf_trace_lock+0x7a0/0x7a0
[  656.031660]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  656.036505]  ? __switch_to_asm+0x34/0x70
[  656.040563]  ? __switch_to_asm+0x34/0x70
[  656.044636]  ? zap_class+0x640/0x640
[  656.048349]  ? zap_class+0x640/0x640
[  656.052056]  ? __x64_sys_futex+0x53e/0x6a0
[  656.056289]  ? find_held_lock+0x36/0x1c0
[  656.060355]  ? handle_mm_fault+0x42a/0xc70
[  656.064590]  ? lock_downgrade+0x900/0x900
[  656.068745]  ? check_preemption_disabled+0x48/0x280
[  656.073762]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  656.078685]  ? kasan_check_read+0x11/0x20
[  656.082834]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  656.088104]  ? rcu_softirq_qs+0x20/0x20
[  656.092162]  ? trace_hardirqs_off_caller+0x310/0x310
[  656.097265]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  656.102802]  ? check_preemption_disabled+0x48/0x280
[  656.107818]  handle_mm_fault+0x54f/0xc70
[  656.111874]  ? __handle_mm_fault+0x5be0/0x5be0
[  656.116452]  ? find_vma+0x34/0x190
[  656.119989]  __do_page_fault+0x5e8/0xe60
[  656.124041]  ? trace_hardirqs_off+0xb8/0x310
[  656.128449]  do_page_fault+0xf2/0x7e0
[  656.132251]  ? vmalloc_sync_all+0x30/0x30
[  656.136397]  ? error_entry+0x70/0xd0
[  656.140107]  ? trace_hardirqs_off_caller+0xbb/0x310
[  656.145132]  ? trace_hardirqs_on_caller+0xc0/0x310
[  656.150058]  ? syscall_return_slowpath+0x5e0/0x5e0
[  656.154991]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  656.159876]  ? trace_hardirqs_on_caller+0x310/0x310
[  656.164882]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  656.170344]  ? prepare_exit_to_usermode+0x291/0x3b0
[  656.175367]  ? page_fault+0x8/0x30
[  656.178902]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  656.183752]  ? page_fault+0x8/0x30
[  656.187288]  page_fault+0x1e/0x30
[  656.190748] RIP: 0033:0x40f9c0
[  656.194042] Code: Bad RIP value.
[  656.197395] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  656.202748] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  656.210009] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  656.217444] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  656.224711] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  656.231973] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  656.239275] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  656.239280] warn_alloc_show_mem: 1 callbacks suppressed
[  656.239289] Mem-Info:
[  656.246552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  656.251919] active_anon:54071 inactive_anon:192 isolated_anon:0
[  656.251919]  active_file:13 inactive_file:14 isolated_file:0
[  656.251919]  unevictable:0 dirty:0 writeback:0 unstable:0
[  656.251919]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  656.251919]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  656.251919]  free:13779 free_pcp:228 free_cma:0
[  656.254286] Call Trace:
[  656.263671] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  656.296508]  <IRQ>
[  656.299072] 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
[  656.326585]  dump_stack+0x244/0x39d
[  656.328711] lowmem_reserve[]: 0 2818 6321 6321
[  656.354813]  ? dump_stack_print_info.cold.1+0x20/0x20
[  656.358441] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  656.363044]  warn_alloc.cold.116+0xb7/0x1bd
[  656.368189] lowmem_reserve[]: 0 0 3503 3503
[  656.395683]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  656.399976] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  656.404293]  ? lock_downgrade+0x900/0x900
[  656.409108] lowmem_reserve[]: 0 0 0 0
[  656.438087]  ? trace_hardirqs_off+0xb8/0x310
[  656.442203] 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
[  656.445995]  ? trace_hardirqs_off+0xb8/0x310
[  656.450373] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  656.463891]  __alloc_pages_slowpath+0x2651/0x2de0
[  656.468261] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  656.484234]  ? warn_alloc+0x120/0x120
[  656.489037] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  656.504646]  ? print_usage_bug+0xc0/0xc0
[  656.508441] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  656.517255]  ? warn_alloc+0x120/0x120
[  656.521286] 271 total pagecache pages
[  656.529849]  ? warn_alloc+0x120/0x120
[  656.533635] 0 pages in swap cache
[  656.537417]  ? print_usage_bug+0xc0/0xc0
[  656.541191] Swap cache stats: add 0, delete 0, find 0/0
[  656.544634]  ? print_usage_bug+0xc0/0xc0
[  656.548666] Free swap  = 0kB
[  656.554034]  ? __lock_acquire+0x62f/0x4c20
[  656.558061] Total swap = 0kB
[  656.558069] 1965979 pages RAM
[  656.561078]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  656.565277] 0 pages HighMem/MovableOnly
[  656.565284] 342854 pages reserved
[  656.568322]  ? should_fail+0x22d/0xd01
[  656.571410] 0 pages cma reserved
[  656.576949]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  656.580962] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  656.584334]  ? __lock_acquire+0x62f/0x4c20
[  656.584351]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  656.584367]  ? __lock_acquire+0x62f/0x4c20
[  656.588291] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  656.591592]  ? should_fail+0x22d/0xd01
[  656.596687] syz-fuzzer cpuset=/ mems_allowed=0
[  656.603168]  ? find_held_lock+0x36/0x1c0
[  656.639371]  ? mark_held_locks+0x130/0x130
[  656.643616]  ? mark_held_locks+0x130/0x130
[  656.647847]  ? zap_class+0x640/0x640
[  656.651571]  ? zap_class+0x640/0x640
[  656.655527]  ? print_usage_bug+0xc0/0xc0
[  656.659610]  ? do_raw_spin_unlock+0xa7/0x330
[  656.664039]  ? zap_class+0x640/0x640
[  656.667750]  ? print_usage_bug+0xc0/0xc0
[  656.671822]  ? wq_watchdog_touch+0x9c/0xfe
[  656.676078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.681623]  ? check_preemption_disabled+0x48/0x280
[  656.686648]  ? __lock_is_held+0xb5/0x140
[  656.690737]  __alloc_pages_nodemask+0xad8/0xea0
[  656.695401]  ? zap_class+0x640/0x640
[  656.699115]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  656.704145]  ? find_held_lock+0x36/0x1c0
[  656.708215]  ? ____cache_alloc_node+0x1c7/0x1e0
[  656.712880]  ? lock_downgrade+0x900/0x900
[  656.717033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.722586]  cache_grow_begin+0xa5/0x8c0
[  656.726646]  ? do_raw_spin_unlock+0xa7/0x330
[  656.731058]  fallback_alloc+0x204/0x2e0
[  656.735034]  ____cache_alloc_node+0x1c7/0x1e0
[  656.739530]  kmem_cache_alloc_node+0xe3/0x730
[  656.744022]  ? ipv6_get_ifaddr+0x42e/0x620
[  656.748265]  __alloc_skb+0x119/0x770
[  656.751977]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  656.757249]  ? netdev_alloc_frag+0x1f0/0x1f0
[  656.761652]  ? lock_downgrade+0x900/0x900
[  656.765803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.771333]  ? refcount_sub_and_test_checked+0x203/0x310
[  656.776778]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  656.782222]  ? addrconf_rs_timer+0x690/0x690
[  656.786641]  ndisc_alloc_skb+0x144/0x340
[  656.790701]  ndisc_send_rs+0x331/0x6e0
[  656.794584]  addrconf_rs_timer+0x314/0x690
[  656.798823]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  656.803061]  call_timer_fn+0x272/0x920
[  656.806943]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  656.811185]  ? process_timeout+0x40/0x40
[  656.815255]  ? __run_timers+0x7da/0xc70
[  656.819230]  ? _raw_spin_unlock_irq+0x27/0x80
[  656.824259]  ? _raw_spin_unlock_irq+0x27/0x80
[  656.828769]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  656.833011]  ? lockdep_hardirqs_on+0x296/0x5b0
[  656.837600]  ? trace_hardirqs_on+0xbd/0x310
[  656.841931]  ? kasan_check_read+0x11/0x20
[  656.846096]  ? __run_timers+0x7da/0xc70
[  656.850072]  ? trace_hardirqs_off_caller+0x310/0x310
[  656.855178]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  656.859412]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  656.863644]  __run_timers+0x7e5/0xc70
[  656.867447]  ? timer_fixup_init+0x70/0x70
[  656.871598]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  656.876617]  ? zap_class+0x640/0x640
[  656.880330]  ? enqueue_hrtimer+0x1a5/0x560
[  656.884563]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  656.889764]  ? find_held_lock+0x36/0x1c0
[  656.893825]  ? zap_class+0x640/0x640
[  656.897538]  ? pvclock_read_flags+0x160/0x160
[  656.902033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.907575]  ? check_preemption_disabled+0x48/0x280
[  656.912633]  ? __lock_is_held+0xb5/0x140
[  656.916689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.922221]  ? check_preemption_disabled+0x48/0x280
[  656.927246]  run_timer_softirq+0x52/0xb0
[  656.931306]  ? rcu_read_lock_sched_held+0x14f/0x180
[  656.936323]  __do_softirq+0x308/0xb7e
[  656.940122]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  656.944621]  ? lock_downgrade+0x900/0x900
[  656.948775]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  656.953876]  ? pvclock_read_flags+0x160/0x160
[  656.958370]  ? lapic_next_event+0x5a/0x90
[  656.962515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.968053]  ? kvm_clock_read+0x18/0x30
[  656.972022]  ? kvm_sched_clock_read+0x9/0x20
[  656.976462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.981997]  ? check_preemption_disabled+0x48/0x280
[  656.987018]  irq_exit+0x17f/0x1c0
[  656.990470]  smp_apic_timer_interrupt+0x1cb/0x760
[  656.995308]  ? smp_reschedule_interrupt+0x109/0x650
[  657.000320]  ? smp_call_function_single_interrupt+0x650/0x650
[  657.006201]  ? interrupt_entry+0xb5/0xc0
[  657.010257]  ? trace_hardirqs_off_caller+0xbb/0x310
[  657.015266]  ? trace_hardirqs_off_caller+0xbb/0x310
[  657.020279]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  657.025114]  ? trace_hardirqs_on_caller+0x310/0x310
[  657.030223]  ? trace_hardirqs_on_caller+0x310/0x310
[  657.035231]  ? task_prio+0x50/0x50
[  657.038771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.044301]  ? check_preemption_disabled+0x48/0x280
[  657.049317]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  657.054163]  apic_timer_interrupt+0xf/0x20
[  657.058388]  </IRQ>
[  657.060625] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  657.065565] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  657.084477] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  657.092184] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  657.099450] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  657.106771] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  657.114030] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  657.121310] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  657.128620]  skb_clone+0x1bb/0x500
[  657.132156]  ? finish_task_switch+0x1b4/0x910
[  657.136645]  ? skb_split+0x11e0/0x11e0
[  657.140542]  ? preempt_notifier_register+0x200/0x200
[  657.145641]  ? __switch_to_asm+0x34/0x70
[  657.149694]  ? __switch_to_asm+0x34/0x70
[  657.153748]  ? __switch_to_asm+0x40/0x70
[  657.157802]  ? __switch_to_asm+0x34/0x70
[  657.161860]  ? __switch_to_asm+0x40/0x70
[  657.165918]  ? __switch_to_asm+0x34/0x70
[  657.169971]  ? __switch_to_asm+0x40/0x70
[  657.174023]  ? __switch_to_asm+0x34/0x70
[  657.178077]  ? __switch_to_asm+0x34/0x70
[  657.182153]  ? __switch_to_asm+0x40/0x70
[  657.186205]  ? __switch_to_asm+0x34/0x70
[  657.190263]  bpf_clone_redirect+0xb9/0x490
[  657.194492]  ? __schedule+0x8d7/0x21d0
[  657.198478]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  657.203492]  ? __sched_text_start+0x8/0x8
[  657.207637]  ? retint_kernel+0x2d/0x2d
[  657.211530]  ? find_held_lock+0x36/0x1c0
[  657.215600]  ? lock_acquire+0x1ed/0x520
[  657.219596]  ? bpf_test_run+0x3cb/0x780
[  657.223596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.229136]  ? check_preemption_disabled+0x48/0x280
[  657.234240]  ? kasan_check_read+0x11/0x20
[  657.238382]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  657.243652]  ? rcu_softirq_qs+0x20/0x20
[  657.247635]  ? preempt_schedule+0x4d/0x60
[  657.251778]  ? ___preempt_schedule+0x16/0x18
[  657.256187]  ? bpf_test_run+0x25d/0x780
[  657.260171]  ? netlink_diag_dump+0x2a0/0x2a0
[  657.264577]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  657.270148]  ? bpf_test_init.isra.10+0x70/0x100
[  657.274855]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  657.279624]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  657.284460]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  657.290002]  ? fput+0x130/0x1a0
[  657.293300]  ? __bpf_prog_get+0x9b/0x290
[  657.297364]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  657.302201]  ? bpf_prog_test_run+0x130/0x1a0
[  657.306616]  ? __x64_sys_bpf+0x3db/0x520
[  657.310676]  ? bpf_prog_get+0x20/0x20
[  657.314514]  ? do_syscall_64+0x1b9/0x820
[  657.318572]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  657.323938]  ? syscall_return_slowpath+0x5e0/0x5e0
[  657.328867]  ? trace_hardirqs_on_caller+0x310/0x310
[  657.333881]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  657.338911]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  657.345571]  ? __switch_to_asm+0x40/0x70
[  657.349633]  ? __switch_to_asm+0x34/0x70
[  657.353693]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  657.358535]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  657.363911] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  657.364000] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  657.370920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  657.370927] Call Trace:
[  657.377496] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  657.386742]  <IRQ>
[  657.389304] syz-executor5 cpuset=syz5 mems_allowed=0
[  657.399774]  dump_stack+0x244/0x39d
[  657.410608]  ? dump_stack_print_info.cold.1+0x20/0x20
[  657.415809]  warn_alloc.cold.116+0xb7/0x1bd
[  657.420143]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  657.425086]  ? lock_downgrade+0x900/0x900
[  657.429243]  ? trace_hardirqs_off+0xb8/0x310
[  657.433652]  ? trace_hardirqs_off+0xb8/0x310
[  657.438065]  __alloc_pages_slowpath+0x2651/0x2de0
[  657.443031]  ? warn_alloc+0x120/0x120
[  657.446829]  ? print_usage_bug+0xc0/0xc0
[  657.450889]  ? warn_alloc+0x120/0x120
[  657.454704]  ? warn_alloc+0x120/0x120
[  657.458503]  ? print_usage_bug+0xc0/0xc0
[  657.462652]  ? print_usage_bug+0xc0/0xc0
[  657.466717]  ? __lock_acquire+0x62f/0x4c20
[  657.470951]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  657.476488]  ? should_fail+0x22d/0xd01
[  657.480375]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  657.485478]  ? __lock_acquire+0x62f/0x4c20
[  657.489711]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  657.494807]  ? __lock_acquire+0x62f/0x4c20
[  657.499033]  ? should_fail+0x22d/0xd01
[  657.502915]  ? find_held_lock+0x36/0x1c0
[  657.506976]  ? mark_held_locks+0x130/0x130
[  657.511213]  ? mark_held_locks+0x130/0x130
[  657.515463]  ? zap_class+0x640/0x640
[  657.519169]  ? zap_class+0x640/0x640
[  657.522879]  ? print_usage_bug+0xc0/0xc0
[  657.526946]  ? do_raw_spin_unlock+0xa7/0x330
[  657.531347]  ? zap_class+0x640/0x640
[  657.535060]  ? print_usage_bug+0xc0/0xc0
[  657.539112]  ? wq_watchdog_touch+0x9c/0xfe
[  657.543340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.548894]  ? check_preemption_disabled+0x48/0x280
[  657.553918]  ? __lock_is_held+0xb5/0x140
[  657.557981]  __alloc_pages_nodemask+0xad8/0xea0
[  657.562644]  ? zap_class+0x640/0x640
[  657.566383]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  657.571489]  ? find_held_lock+0x36/0x1c0
[  657.575586]  ? ____cache_alloc_node+0x1c7/0x1e0
[  657.580259]  ? lock_downgrade+0x900/0x900
[  657.584410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.589945]  cache_grow_begin+0xa5/0x8c0
[  657.594001]  ? do_raw_spin_unlock+0xa7/0x330
[  657.598410]  fallback_alloc+0x204/0x2e0
[  657.602385]  ____cache_alloc_node+0x1c7/0x1e0
[  657.606902]  kmem_cache_alloc_node+0xe3/0x730
[  657.611394]  ? ipv6_get_ifaddr+0x42e/0x620
[  657.615639]  __alloc_skb+0x119/0x770
[  657.619345]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  657.624628]  ? netdev_alloc_frag+0x1f0/0x1f0
[  657.629032]  ? lock_downgrade+0x900/0x900
[  657.633186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.638724]  ? refcount_sub_and_test_checked+0x203/0x310
[  657.644174]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  657.649626]  ? addrconf_rs_timer+0x690/0x690
[  657.654039]  ndisc_alloc_skb+0x144/0x340
[  657.658232]  ndisc_send_rs+0x331/0x6e0
[  657.662118]  addrconf_rs_timer+0x314/0x690
[  657.666356]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  657.670619]  call_timer_fn+0x272/0x920
[  657.674501]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  657.678745]  ? process_timeout+0x40/0x40
[  657.682812]  ? mark_held_locks+0xc7/0x130
[  657.686966]  ? _raw_spin_unlock_irq+0x27/0x80
[  657.691454]  ? _raw_spin_unlock_irq+0x27/0x80
[  657.695943]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  657.700173]  ? lockdep_hardirqs_on+0x296/0x5b0
[  657.704753]  ? trace_hardirqs_on+0xbd/0x310
[  657.709074]  ? kasan_check_read+0x11/0x20
[  657.713227]  ? __run_timers+0x7da/0xc70
[  657.717197]  ? trace_hardirqs_off_caller+0x310/0x310
[  657.722300]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  657.726540]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  657.730772]  __run_timers+0x7e5/0xc70
[  657.734588]  ? timer_fixup_init+0x70/0x70
[  657.738735]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  657.743759]  ? zap_class+0x640/0x640
[  657.747477]  ? print_usage_bug+0xc0/0xc0
[  657.751535]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  657.756730]  ? find_held_lock+0x36/0x1c0
[  657.760805]  ? zap_class+0x640/0x640
[  657.764524]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.770067]  ? check_preemption_disabled+0x48/0x280
[  657.775089]  ? __lock_is_held+0xb5/0x140
[  657.779153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.784688]  ? check_preemption_disabled+0x48/0x280
[  657.789704]  run_timer_softirq+0x52/0xb0
[  657.793760]  ? rcu_read_lock_sched_held+0x14f/0x180
[  657.798769]  __do_softirq+0x308/0xb7e
[  657.802569]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  657.807064]  ? lock_downgrade+0x900/0x900
[  657.811222]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  657.816329]  ? pvclock_read_flags+0x160/0x160
[  657.820828]  ? lapic_next_event+0x5a/0x90
[  657.824972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.830510]  ? kvm_clock_read+0x18/0x30
[  657.834480]  ? kvm_sched_clock_read+0x9/0x20
[  657.838909]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  657.844440]  ? check_preemption_disabled+0x48/0x280
[  657.849469]  irq_exit+0x17f/0x1c0
[  657.852921]  smp_apic_timer_interrupt+0x1cb/0x760
[  657.857756]  ? smp_reschedule_interrupt+0x109/0x650
[  657.862771]  ? smp_call_function_single_interrupt+0x650/0x650
[  657.868649]  ? interrupt_entry+0xb5/0xc0
[  657.872707]  ? trace_hardirqs_off_caller+0xbb/0x310
[  657.877720]  ? trace_hardirqs_off_caller+0xbb/0x310
[  657.882731]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  657.887577]  ? trace_hardirqs_on_caller+0x310/0x310
[  657.892595]  ? trace_hardirqs_on_caller+0x310/0x310
[  657.897611]  ? task_prio+0x50/0x50
[  657.901147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.906679]  ? check_preemption_disabled+0x48/0x280
[  657.911709]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  657.916556]  apic_timer_interrupt+0xf/0x20
[  657.920787]  </IRQ>
[  657.923024] RIP: 0010:dump_stack+0x358/0x39d
[  657.927444] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  657.946342] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  657.954054] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  657.961330] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  657.968598] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  657.975865] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  657.983131] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  657.990414]  ? dump_stack+0x34f/0x39d
[  657.994222]  ? dump_stack_print_info.cold.1+0x20/0x20
[  657.999428]  ? mark_held_locks+0x130/0x130
[  658.003660]  ? mark_held_locks+0x130/0x130
[  658.007893]  dump_header+0x27b/0xf72
[  658.011616]  ? pagefault_out_of_memory+0x197/0x197
[  658.016562]  ? __lock_acquire+0x62f/0x4c20
[  658.020807]  ? percpu_ref_get_many+0x240/0x240
[  658.025386]  ? print_usage_bug+0xc0/0xc0
[  658.029447]  ? zap_class+0x640/0x640
[  658.033170]  ? print_usage_bug+0xc0/0xc0
[  658.037238]  ? print_usage_bug+0xc0/0xc0
[  658.041298]  ? zap_class+0x640/0x640
[  658.045010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.050545]  ? find_held_lock+0x36/0x1c0
[  658.054625]  ? mark_held_locks+0xc7/0x130
[  658.058773]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  658.063871]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  658.068972]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  658.073582]  ? trace_hardirqs_on+0xbd/0x310
[  658.077916]  ? kasan_check_read+0x11/0x20
[  658.082081]  ? ___ratelimit+0x3b4/0x672
[  658.086072]  ? trace_hardirqs_off_caller+0x310/0x310
[  658.091171]  ? trace_hardirqs_on+0x310/0x310
[  658.095582]  ? lock_downgrade+0x900/0x900
[  658.099733]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  658.104830]  ? ___ratelimit+0x3b9/0x672
[  658.108799]  ? idr_get_free+0xf70/0xf70
[  658.112853]  ? find_held_lock+0x36/0x1c0
[  658.116922]  oom_kill_process.cold.27+0x10/0x903
[  658.121672]  ? zap_class+0x640/0x640
[  658.125381]  ? check_preemption_disabled+0x48/0x280
[  658.130393]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  658.135317]  ? kasan_check_read+0x11/0x20
[  658.139462]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  658.144733]  ? oom_evaluate_task+0x540/0x540
[  658.149137]  ? find_held_lock+0x36/0x1c0
[  658.153200]  ? out_of_memory+0x974/0x1430
[  658.157342]  ? lock_downgrade+0x900/0x900
[  658.161489]  ? check_preemption_disabled+0x48/0x280
[  658.166500]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  658.171422]  ? kasan_check_read+0x11/0x20
[  658.175569]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  658.180844]  ? rcu_softirq_qs+0x20/0x20
[  658.184814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.190360]  ? oom_evaluate_task+0x302/0x540
[  658.194766]  out_of_memory+0xa84/0x1430
[  658.198764]  ? oom_killer_disable+0x3a0/0x3a0
[  658.203257]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  658.208186]  ? __ww_mutex_check_waiters+0x160/0x160
[  658.213204]  __alloc_pages_slowpath+0x232c/0x2de0
[  658.218067]  ? warn_alloc+0x120/0x120
[  658.221862]  ? mark_held_locks+0x130/0x130
[  658.226114]  ? find_get_entry+0xaae/0x1120
[  658.230525]  ? filemap_map_pages+0x1a20/0x1a20
[  658.235110]  ? zap_class+0x640/0x640
[  658.238822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.244356]  ? check_preemption_disabled+0x48/0x280
[  658.249371]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.254901]  ? should_fail+0x22d/0xd01
[  658.258837]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  658.263935]  ? zap_class+0x640/0x640
[  658.267669]  ? __lock_is_held+0xb5/0x140
[  658.271737]  ? mark_held_locks+0x130/0x130
[  658.275976]  ? lock_release+0xa00/0xa00
[  658.279945]  ? perf_trace_sched_process_exec+0x860/0x860
[  658.285423]  ? xa_load+0x2ba/0x460
[  658.288958]  ? lock_downgrade+0x900/0x900
[  658.293110]  ? __might_sleep+0x95/0x190
[  658.297086]  __alloc_pages_nodemask+0xad8/0xea0
[  658.301757]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  658.306793]  ? __page_cache_alloc+0x191/0x5c0
[  658.311292]  ? xa_load+0x2e1/0x460
[  658.314829]  ? xa_clear_mark+0x40/0x40
[  658.318709]  ? zap_class+0x640/0x640
[  658.322419]  ? zap_class+0x640/0x640
[  658.326135]  ? zap_class+0x640/0x640
[  658.329842]  ? zap_class+0x640/0x640
[  658.333551]  ? __do_page_cache_readahead+0x663/0x810
[  658.338666]  ? find_held_lock+0x36/0x1c0
[  658.342726]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  658.348271]  alloc_pages_current+0x173/0x350
[  658.352684]  __page_cache_alloc+0x38c/0x5c0
[  658.357001]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  658.361926]  ? kasan_check_read+0x11/0x20
[  658.366072]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  658.371347]  ? generic_perform_write+0x6a0/0x6a0
[  658.376103]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.381637]  ? check_preemption_disabled+0x48/0x280
[  658.386665]  filemap_fault+0x1595/0x25f0
[  658.390735]  ? __lock_page_or_retry+0xa00/0xa00
[  658.395402]  ? mark_held_locks+0x130/0x130
[  658.399646]  ? filemap_map_pages+0xd6b/0x1a20
[  658.404154]  ? lock_downgrade+0x900/0x900
[  658.408294]  ? check_preemption_disabled+0x48/0x280
[  658.413308]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  658.418228]  ? kasan_check_read+0x11/0x20
[  658.422367]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  658.427641]  ? rcu_softirq_qs+0x20/0x20
[  658.431629]  ? filemap_map_pages+0xd92/0x1a20
[  658.436126]  ? queue_work_on+0x12c/0x1e0
[  658.440187]  ? find_get_entries_tag+0x1400/0x1400
[  658.445029]  ? debug_object_destroy+0x2b0/0x2b0
[  658.449803]  ? lock_pi_update_atomic+0x150/0x150
[  658.454571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.460119]  ? lock_acquire+0x1ed/0x520
[  658.464111]  ? ext4_filemap_fault+0x7a/0xad
[  658.468437]  ? lock_release+0xa00/0xa00
[  658.472401]  ? perf_trace_sched_process_exec+0x860/0x860
[  658.477850]  ? print_usage_bug+0xc0/0xc0
[  658.481907]  ? print_usage_bug+0xc0/0xc0
[  658.485988]  ? down_read+0x8d/0x120
[  658.489615]  ? ext4_filemap_fault+0x7a/0xad
[  658.493933]  ? __down_interruptible+0x700/0x700
[  658.498608]  ext4_filemap_fault+0x82/0xad
[  658.502752]  __do_fault+0x100/0x6b0
[  658.506374]  ? find_held_lock+0x36/0x1c0
[  658.510433]  ? pmd_devmap_trans_unstable+0x220/0x220
[  658.515531]  ? mark_held_locks+0x130/0x130
[  658.519780]  ? mark_held_locks+0x130/0x130
[  658.524019]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.529561]  __handle_mm_fault+0x3ea0/0x5be0
[  658.533970]  ? perf_trace_lock+0x7a0/0x7a0
[  658.538209]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  658.543056]  ? __switch_to_asm+0x34/0x70
[  658.547113]  ? __switch_to_asm+0x34/0x70
[  658.551178]  ? zap_class+0x640/0x640
[  658.554882]  ? zap_class+0x640/0x640
[  658.558595]  ? __x64_sys_futex+0x53e/0x6a0
[  658.562831]  ? find_held_lock+0x36/0x1c0
[  658.566896]  ? handle_mm_fault+0x42a/0xc70
[  658.571126]  ? lock_downgrade+0x900/0x900
[  658.575272]  ? check_preemption_disabled+0x48/0x280
[  658.580285]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  658.585211]  ? kasan_check_read+0x11/0x20
[  658.589352]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  658.594709]  ? rcu_softirq_qs+0x20/0x20
[  658.598696]  ? trace_hardirqs_off_caller+0x310/0x310
[  658.603798]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.609331]  ? check_preemption_disabled+0x48/0x280
[  658.614358]  handle_mm_fault+0x54f/0xc70
[  658.618420]  ? __handle_mm_fault+0x5be0/0x5be0
[  658.623004]  ? find_vma+0x34/0x190
[  658.626545]  __do_page_fault+0x5e8/0xe60
[  658.630614]  ? trace_hardirqs_off+0xb8/0x310
[  658.635025]  do_page_fault+0xf2/0x7e0
[  658.638821]  ? vmalloc_sync_all+0x30/0x30
[  658.642965]  ? error_entry+0x70/0xd0
[  658.646689]  ? trace_hardirqs_off_caller+0xbb/0x310
[  658.651700]  ? trace_hardirqs_on_caller+0xc0/0x310
[  658.657113]  ? syscall_return_slowpath+0x5e0/0x5e0
[  658.662050]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  658.666893]  ? trace_hardirqs_on_caller+0x310/0x310
[  658.671918]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  658.677373]  ? prepare_exit_to_usermode+0x291/0x3b0
[  658.682391]  ? page_fault+0x8/0x30
[  658.686105]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  658.690959]  ? page_fault+0x8/0x30
[  658.694499]  page_fault+0x1e/0x30
[  658.697946] RIP: 0033:0x40f9c0
[  658.701151] Code: Bad RIP value.
[  658.704509] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  658.709866] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  658.717164] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  658.724426] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  658.731704] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  658.738968] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  658.746262] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  658.746267] warn_alloc_show_mem: 1 callbacks suppressed
[  658.746274] Mem-Info:
[  658.753541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  658.758915] active_anon:54071 inactive_anon:192 isolated_anon:0
[  658.758915]  active_file:13 inactive_file:14 isolated_file:0
[  658.758915]  unevictable:0 dirty:0 writeback:0 unstable:0
[  658.758915]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  658.758915]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  658.758915]  free:13779 free_pcp:228 free_cma:0
[  658.761279] Call Trace:
[  658.770653] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  658.803602]  <IRQ>
[  658.806166] 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
[  658.834329]  dump_stack+0x244/0x39d
[  658.836441] lowmem_reserve[]: 0 2818 6321 6321
[  658.862546]  ? dump_stack_print_info.cold.1+0x20/0x20
[  658.866147] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  658.870729]  warn_alloc.cold.116+0xb7/0x1bd
[  658.875880] lowmem_reserve[]: 0 0 3503 3503
[  658.903379]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  658.907699] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  658.912019]  ? lock_downgrade+0x900/0x900
[  658.916828] lowmem_reserve[]: 0 0 0 0
[  658.945712]  ? trace_hardirqs_off+0xb8/0x310
[  658.949830] 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
[  658.953711]  ? trace_hardirqs_off+0xb8/0x310
[  658.958085] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  658.971609]  __alloc_pages_slowpath+0x2651/0x2de0
[  658.975984] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  658.991866]  ? warn_alloc+0x120/0x120
[  658.996668] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  659.012255]  ? print_usage_bug+0xc0/0xc0
[  659.016042] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  659.024858]  ? warn_alloc+0x120/0x120
[  659.028893] 271 total pagecache pages
[  659.037458]  ? warn_alloc+0x120/0x120
[  659.041236] 0 pages in swap cache
[  659.045017]  ? print_usage_bug+0xc0/0xc0
[  659.048792] Swap cache stats: add 0, delete 0, find 0/0
[  659.052230]  ? kvm_clock_read+0x18/0x30
[  659.056263] Free swap  = 0kB
[  659.061617]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  659.065571] Total swap = 0kB
[  659.068580]  ? print_usage_bug+0xc0/0xc0
[  659.073573] 1965979 pages RAM
[  659.076580]  ? __lock_acquire+0x62f/0x4c20
[  659.080613] 0 pages HighMem/MovableOnly
[  659.080620] 342854 pages reserved
[  659.083720]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  659.087919] 0 pages cma reserved
[  659.087997] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  659.091889]  ? should_fail+0x22d/0xd01
[  659.091902]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  659.091920]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  659.096213] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  659.100888]  ? __lock_acquire+0x62f/0x4c20
[  659.104228] syz-fuzzer cpuset=/ mems_allowed=0
[  659.110735]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  659.149043]  ? __lock_acquire+0x62f/0x4c20
[  659.153280]  ? should_fail+0x22d/0xd01
[  659.157186]  ? rcu_irq_exit+0x1a2/0x390
[  659.161166]  ? mark_held_locks+0x130/0x130
[  659.165400]  ? mark_held_locks+0x130/0x130
[  659.169634]  ? mark_held_locks+0xc7/0x130
[  659.173779]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  659.178796]  ? zap_class+0x640/0x640
[  659.182504]  ? print_usage_bug+0xc0/0xc0
[  659.186576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.192120]  ? check_preemption_disabled+0x48/0x280
[  659.197142]  ? __lock_is_held+0xb5/0x140
[  659.201205]  __alloc_pages_nodemask+0xad8/0xea0
[  659.205903]  ? zap_class+0x640/0x640
[  659.209626]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  659.214647]  ? find_held_lock+0x36/0x1c0
[  659.218709]  ? ____cache_alloc_node+0x1c7/0x1e0
[  659.223378]  ? lock_downgrade+0x900/0x900
[  659.227536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.233082]  cache_grow_begin+0xa5/0x8c0
[  659.237138]  ? do_raw_spin_unlock+0xa7/0x330
[  659.241554]  fallback_alloc+0x204/0x2e0
[  659.245533]  ____cache_alloc_node+0x1c7/0x1e0
[  659.250035]  kmem_cache_alloc_node+0xe3/0x730
[  659.254529]  ? ipv6_get_ifaddr+0x42e/0x620
[  659.258776]  __alloc_skb+0x119/0x770
[  659.262489]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  659.267764]  ? netdev_alloc_frag+0x1f0/0x1f0
[  659.272169]  ? lock_downgrade+0x900/0x900
[  659.276320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.281866]  ? refcount_sub_and_test_checked+0x203/0x310
[  659.287317]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  659.292764]  ? addrconf_rs_timer+0x690/0x690
[  659.297185]  ndisc_alloc_skb+0x144/0x340
[  659.301249]  ndisc_send_rs+0x331/0x6e0
[  659.305135]  addrconf_rs_timer+0x314/0x690
[  659.309386]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  659.313637]  call_timer_fn+0x272/0x920
[  659.317523]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  659.321769]  ? process_timeout+0x40/0x40
[  659.325836]  ? __run_timers+0x7da/0xc70
[  659.329813]  ? _raw_spin_unlock_irq+0x27/0x80
[  659.334304]  ? _raw_spin_unlock_irq+0x27/0x80
[  659.338798]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  659.343029]  ? lockdep_hardirqs_on+0x296/0x5b0
[  659.347613]  ? trace_hardirqs_on+0xbd/0x310
[  659.352014]  ? kasan_check_read+0x11/0x20
[  659.356155]  ? __run_timers+0x7da/0xc70
[  659.360123]  ? trace_hardirqs_off_caller+0x310/0x310
[  659.365225]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  659.369458]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  659.373718]  __run_timers+0x7e5/0xc70
[  659.377547]  ? timer_fixup_init+0x70/0x70
[  659.381696]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  659.386718]  ? zap_class+0x640/0x640
[  659.390429]  ? enqueue_hrtimer+0x1a5/0x560
[  659.394691]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  659.399883]  ? find_held_lock+0x36/0x1c0
[  659.403946]  ? zap_class+0x640/0x640
[  659.407661]  ? pvclock_read_flags+0x160/0x160
[  659.412155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.417692]  ? check_preemption_disabled+0x48/0x280
[  659.422712]  ? __lock_is_held+0xb5/0x140
[  659.426773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.432307]  ? check_preemption_disabled+0x48/0x280
[  659.437323]  run_timer_softirq+0x52/0xb0
[  659.441381]  ? rcu_read_lock_sched_held+0x14f/0x180
[  659.446394]  __do_softirq+0x308/0xb7e
[  659.450193]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  659.454684]  ? lock_downgrade+0x900/0x900
[  659.458834]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  659.463938]  ? pvclock_read_flags+0x160/0x160
[  659.468436]  ? lapic_next_event+0x5a/0x90
[  659.472581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.478123]  ? kvm_clock_read+0x18/0x30
[  659.482095]  ? kvm_sched_clock_read+0x9/0x20
[  659.486502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.492040]  ? check_preemption_disabled+0x48/0x280
[  659.497065]  irq_exit+0x17f/0x1c0
[  659.500525]  smp_apic_timer_interrupt+0x1cb/0x760
[  659.505371]  ? smp_reschedule_interrupt+0x109/0x650
[  659.510386]  ? smp_call_function_single_interrupt+0x650/0x650
[  659.516266]  ? interrupt_entry+0xb5/0xc0
[  659.520327]  ? trace_hardirqs_off_caller+0xbb/0x310
[  659.525341]  ? trace_hardirqs_off_caller+0xbb/0x310
[  659.530358]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  659.535205]  ? trace_hardirqs_on_caller+0x310/0x310
[  659.540218]  ? trace_hardirqs_on_caller+0x310/0x310
[  659.545231]  ? task_prio+0x50/0x50
[  659.548784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.554319]  ? check_preemption_disabled+0x48/0x280
[  659.559435]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  659.564282]  apic_timer_interrupt+0xf/0x20
[  659.568504]  </IRQ>
[  659.570749] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  659.575676] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  659.594576] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  659.602283] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  659.609552] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  659.616906] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  659.624169] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  659.631432] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  659.638733]  skb_clone+0x1bb/0x500
[  659.642289]  ? finish_task_switch+0x1b4/0x910
[  659.646786]  ? skb_split+0x11e0/0x11e0
[  659.650671]  ? preempt_notifier_register+0x200/0x200
[  659.655768]  ? __switch_to_asm+0x34/0x70
[  659.659840]  ? __switch_to_asm+0x34/0x70
[  659.663897]  ? __switch_to_asm+0x40/0x70
[  659.667954]  ? __switch_to_asm+0x34/0x70
[  659.672009]  ? __switch_to_asm+0x40/0x70
[  659.676067]  ? __switch_to_asm+0x34/0x70
[  659.680124]  ? __switch_to_asm+0x40/0x70
[  659.684178]  ? __switch_to_asm+0x34/0x70
[  659.688232]  ? __switch_to_asm+0x34/0x70
[  659.692288]  ? __switch_to_asm+0x40/0x70
[  659.696343]  ? __switch_to_asm+0x34/0x70
[  659.700406]  bpf_clone_redirect+0xb9/0x490
[  659.704643]  ? __schedule+0x8d7/0x21d0
[  659.708538]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  659.713563]  ? __sched_text_start+0x8/0x8
[  659.717707]  ? retint_kernel+0x2d/0x2d
[  659.721604]  ? find_held_lock+0x36/0x1c0
[  659.725668]  ? lock_acquire+0x1ed/0x520
[  659.729643]  ? bpf_test_run+0x3cb/0x780
[  659.733630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.739170]  ? check_preemption_disabled+0x48/0x280
[  659.744190]  ? kasan_check_read+0x11/0x20
[  659.748333]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  659.753605]  ? rcu_softirq_qs+0x20/0x20
[  659.757584]  ? preempt_schedule+0x4d/0x60
[  659.761732]  ? ___preempt_schedule+0x16/0x18
[  659.766145]  ? bpf_test_run+0x25d/0x780
[  659.770127]  ? netlink_diag_dump+0x2a0/0x2a0
[  659.774636]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  659.780171]  ? bpf_test_init.isra.10+0x70/0x100
[  659.784841]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  659.789604]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  659.794440]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  659.799979]  ? fput+0x130/0x1a0
[  659.803262]  ? __bpf_prog_get+0x9b/0x290
[  659.807327]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  659.812166]  ? bpf_prog_test_run+0x130/0x1a0
[  659.816573]  ? __x64_sys_bpf+0x3db/0x520
[  659.820634]  ? bpf_prog_get+0x20/0x20
[  659.824458]  ? do_syscall_64+0x1b9/0x820
[  659.828518]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  659.833887]  ? syscall_return_slowpath+0x5e0/0x5e0
[  659.838819]  ? trace_hardirqs_on_caller+0x310/0x310
[  659.843836]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  659.848851]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  659.855510]  ? __switch_to_asm+0x40/0x70
[  659.859573]  ? __switch_to_asm+0x34/0x70
[  659.863636]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  659.868480]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  659.873880] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  659.873961] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  659.880898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  659.887452] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  659.896704] Call Trace:
[  659.907167] syz-executor5 cpuset=syz5 mems_allowed=0
[  659.909733]  <IRQ>
[  659.916962]  dump_stack+0x244/0x39d
[  659.920593]  ? dump_stack_print_info.cold.1+0x20/0x20
[  659.925794]  warn_alloc.cold.116+0xb7/0x1bd
[  659.930114]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  659.934959]  ? lock_downgrade+0x900/0x900
[  659.939110]  ? trace_hardirqs_off+0xb8/0x310
[  659.943519]  ? trace_hardirqs_off+0xb8/0x310
[  659.947937]  __alloc_pages_slowpath+0x2651/0x2de0
[  659.952802]  ? warn_alloc+0x120/0x120
[  659.956605]  ? warn_alloc+0x120/0x120
[  659.960419]  ? warn_alloc+0x120/0x120
[  659.964215]  ? __bpf_trace_xdp_cpumap_enqueue+0x40/0x40
[  659.969577]  ? print_usage_bug+0xc0/0xc0
[  659.973633]  ? is_bpf_text_address+0xac/0x170
[  659.978131]  ? print_usage_bug+0xc0/0xc0
[  659.982195]  ? kasan_check_read+0x11/0x20
[  659.986339]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  659.991875]  ? should_fail+0x22d/0xd01
[  659.995762]  ? rcu_softirq_qs+0x20/0x20
[  659.999740]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  660.004840]  ? __lock_acquire+0x62f/0x4c20
[  660.009074]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  660.014171]  ? __lock_acquire+0x62f/0x4c20
[  660.018400]  ? should_fail+0x22d/0xd01
[  660.022303]  ? mark_held_locks+0x130/0x130
[  660.026564]  ? mark_held_locks+0x130/0x130
[  660.030797]  ? try_to_wake_up+0x11c/0x1490
[  660.035031]  ? lock_downgrade+0x900/0x900
[  660.039185]  ? save_stack_trace+0x1a/0x20
[  660.043342]  ? zap_class+0x640/0x640
[  660.047051]  ? print_usage_bug+0xc0/0xc0
[  660.051106]  ? trace_hardirqs_off+0xb8/0x310
[  660.055512]  ? kasan_check_read+0x11/0x20
[  660.059664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.065201]  ? check_preemption_disabled+0x48/0x280
[  660.070220]  ? __lock_is_held+0xb5/0x140
[  660.074299]  __alloc_pages_nodemask+0xad8/0xea0
[  660.078963]  ? zap_class+0x640/0x640
[  660.082676]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  660.087695]  ? find_held_lock+0x36/0x1c0
[  660.091760]  ? ____cache_alloc_node+0x1c7/0x1e0
[  660.096426]  ? lock_downgrade+0x900/0x900
[  660.100583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.106120]  cache_grow_begin+0xa5/0x8c0
[  660.110194]  ? do_raw_spin_unlock+0xa7/0x330
[  660.114605]  fallback_alloc+0x204/0x2e0
[  660.118585]  ____cache_alloc_node+0x1c7/0x1e0
[  660.123081]  kmem_cache_alloc_node+0xe3/0x730
[  660.127576]  ? ipv6_get_ifaddr+0x42e/0x620
[  660.131815]  __alloc_skb+0x119/0x770
[  660.135530]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  660.140808]  ? netdev_alloc_frag+0x1f0/0x1f0
[  660.145214]  ? lock_downgrade+0x900/0x900
[  660.149396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.154928]  ? refcount_sub_and_test_checked+0x203/0x310
[  660.160378]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  660.165823]  ? addrconf_rs_timer+0x690/0x690
[  660.170237]  ndisc_alloc_skb+0x144/0x340
[  660.174296]  ndisc_send_rs+0x331/0x6e0
[  660.178194]  addrconf_rs_timer+0x314/0x690
[  660.182427]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  660.186663]  call_timer_fn+0x272/0x920
[  660.190565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  660.194798]  ? process_timeout+0x40/0x40
[  660.198896]  ? mark_held_locks+0xc7/0x130
[  660.203041]  ? _raw_spin_unlock_irq+0x27/0x80
[  660.207540]  ? _raw_spin_unlock_irq+0x27/0x80
[  660.212031]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  660.216258]  ? lockdep_hardirqs_on+0x296/0x5b0
[  660.220835]  ? trace_hardirqs_on+0xbd/0x310
[  660.225165]  ? kasan_check_read+0x11/0x20
[  660.229304]  ? __run_timers+0x7da/0xc70
[  660.233272]  ? trace_hardirqs_off_caller+0x310/0x310
[  660.238371]  ? __queue_work+0x1440/0x1440
[  660.242514]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  660.246790]  __run_timers+0x7e5/0xc70
[  660.250607]  ? timer_fixup_init+0x70/0x70
[  660.254751]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  660.259760]  ? zap_class+0x640/0x640
[  660.263474]  ? print_usage_bug+0xc0/0xc0
[  660.267542]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  660.272831]  ? find_held_lock+0x36/0x1c0
[  660.276893]  ? zap_class+0x640/0x640
[  660.280608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.286142]  ? check_preemption_disabled+0x48/0x280
[  660.291442]  ? __lock_is_held+0xb5/0x140
[  660.295499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.301048]  ? check_preemption_disabled+0x48/0x280
[  660.306077]  run_timer_softirq+0x52/0xb0
[  660.310135]  ? rcu_read_lock_sched_held+0x14f/0x180
[  660.315149]  __do_softirq+0x308/0xb7e
[  660.318953]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  660.323436]  ? lock_downgrade+0x900/0x900
[  660.327580]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  660.332683]  ? pvclock_read_flags+0x160/0x160
[  660.337192]  ? lapic_next_event+0x5a/0x90
[  660.341374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.346910]  ? kvm_clock_read+0x18/0x30
[  660.350891]  ? kvm_sched_clock_read+0x9/0x20
[  660.355298]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  660.360833]  ? check_preemption_disabled+0x48/0x280
[  660.365855]  irq_exit+0x17f/0x1c0
[  660.369325]  smp_apic_timer_interrupt+0x1cb/0x760
[  660.374159]  ? smp_reschedule_interrupt+0x109/0x650
[  660.379174]  ? smp_call_function_single_interrupt+0x650/0x650
[  660.385058]  ? interrupt_entry+0xb5/0xc0
[  660.389120]  ? trace_hardirqs_off_caller+0xbb/0x310
[  660.394130]  ? trace_hardirqs_off_caller+0xbb/0x310
[  660.399149]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  660.403988]  ? trace_hardirqs_on_caller+0x310/0x310
[  660.409002]  ? trace_hardirqs_on_caller+0x310/0x310
[  660.414016]  ? task_prio+0x50/0x50
[  660.417558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.423093]  ? check_preemption_disabled+0x48/0x280
[  660.428112]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  660.432953]  apic_timer_interrupt+0xf/0x20
[  660.437173]  </IRQ>
[  660.439406] RIP: 0010:dump_stack+0x358/0x39d
[  660.443811] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  660.462721] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  660.470422] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  660.477686] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  660.484970] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  660.492237] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  660.499497] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  660.506780]  ? dump_stack+0x34f/0x39d
[  660.510611]  ? dump_stack_print_info.cold.1+0x20/0x20
[  660.515803]  ? mark_held_locks+0x130/0x130
[  660.520036]  ? mark_held_locks+0x130/0x130
[  660.524274]  dump_header+0x27b/0xf72
[  660.527992]  ? pagefault_out_of_memory+0x197/0x197
[  660.532937]  ? __lock_acquire+0x62f/0x4c20
[  660.537164]  ? percpu_ref_get_many+0x240/0x240
[  660.541739]  ? print_usage_bug+0xc0/0xc0
[  660.545800]  ? zap_class+0x640/0x640
[  660.549506]  ? print_usage_bug+0xc0/0xc0
[  660.553570]  ? print_usage_bug+0xc0/0xc0
[  660.557624]  ? zap_class+0x640/0x640
[  660.561336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.566872]  ? find_held_lock+0x36/0x1c0
[  660.570957]  ? mark_held_locks+0xc7/0x130
[  660.575107]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  660.580204]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  660.585306]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  660.589886]  ? trace_hardirqs_on+0xbd/0x310
[  660.594201]  ? kasan_check_read+0x11/0x20
[  660.598346]  ? ___ratelimit+0x3b4/0x672
[  660.602319]  ? trace_hardirqs_off_caller+0x310/0x310
[  660.607419]  ? trace_hardirqs_on+0x310/0x310
[  660.611827]  ? lock_downgrade+0x900/0x900
[  660.615975]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  660.621073]  ? ___ratelimit+0x3b9/0x672
[  660.625110]  ? idr_get_free+0xf70/0xf70
[  660.629078]  ? find_held_lock+0x36/0x1c0
[  660.633147]  oom_kill_process.cold.27+0x10/0x903
[  660.637896]  ? zap_class+0x640/0x640
[  660.641607]  ? check_preemption_disabled+0x48/0x280
[  660.646626]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  660.651555]  ? kasan_check_read+0x11/0x20
[  660.656200]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  660.661490]  ? oom_evaluate_task+0x540/0x540
[  660.665907]  ? find_held_lock+0x36/0x1c0
[  660.669969]  ? out_of_memory+0x974/0x1430
[  660.674115]  ? lock_downgrade+0x900/0x900
[  660.678280]  ? check_preemption_disabled+0x48/0x280
[  660.683298]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  660.688223]  ? kasan_check_read+0x11/0x20
[  660.692366]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  660.697637]  ? rcu_softirq_qs+0x20/0x20
[  660.701612]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  660.707168]  ? oom_evaluate_task+0x302/0x540
[  660.711593]  out_of_memory+0xa84/0x1430
[  660.715577]  ? oom_killer_disable+0x3a0/0x3a0
[  660.720078]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  660.725010]  ? __ww_mutex_check_waiters+0x160/0x160
[  660.730037]  __alloc_pages_slowpath+0x232c/0x2de0
[  660.734903]  ? warn_alloc+0x120/0x120
[  660.738698]  ? mark_held_locks+0x130/0x130
[  660.742939]  ? find_get_entry+0xaae/0x1120
[  660.747180]  ? filemap_map_pages+0x1a20/0x1a20
[  660.751869]  ? zap_class+0x640/0x640
[  660.755586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.761124]  ? check_preemption_disabled+0x48/0x280
[  660.766135]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  660.771667]  ? should_fail+0x22d/0xd01
[  660.775570]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  660.780670]  ? zap_class+0x640/0x640
[  660.784418]  ? __lock_is_held+0xb5/0x140
[  660.788481]  ? mark_held_locks+0x130/0x130
[  660.792721]  ? lock_release+0xa00/0xa00
[  660.796694]  ? perf_trace_sched_process_exec+0x860/0x860
[  660.802138]  ? xa_load+0x2ba/0x460
[  660.805674]  ? lock_downgrade+0x900/0x900
[  660.809840]  ? __might_sleep+0x95/0x190
[  660.813827]  __alloc_pages_nodemask+0xad8/0xea0
[  660.818544]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  660.823833]  ? __page_cache_alloc+0x191/0x5c0
[  660.828415]  ? xa_load+0x2e1/0x460
[  660.831954]  ? xa_clear_mark+0x40/0x40
[  660.835836]  ? zap_class+0x640/0x640
[  660.839564]  ? zap_class+0x640/0x640
[  660.843300]  ? zap_class+0x640/0x640
[  660.847010]  ? zap_class+0x640/0x640
[  660.850724]  ? __do_page_cache_readahead+0x663/0x810
[  660.855847]  ? find_held_lock+0x36/0x1c0
[  660.859912]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  660.865451]  alloc_pages_current+0x173/0x350
[  660.869860]  __page_cache_alloc+0x38c/0x5c0
[  660.874201]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  660.879129]  ? kasan_check_read+0x11/0x20
[  660.883269]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  660.888549]  ? generic_perform_write+0x6a0/0x6a0
[  660.893299]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  660.898833]  ? check_preemption_disabled+0x48/0x280
[  660.903858]  filemap_fault+0x1595/0x25f0
[  660.907925]  ? __lock_page_or_retry+0xa00/0xa00
[  660.912602]  ? mark_held_locks+0x130/0x130
[  660.916843]  ? filemap_map_pages+0xd6b/0x1a20
[  660.921334]  ? lock_downgrade+0x900/0x900
[  660.925481]  ? check_preemption_disabled+0x48/0x280
[  660.930497]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  660.935429]  ? kasan_check_read+0x11/0x20
[  660.939571]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  660.944853]  ? rcu_softirq_qs+0x20/0x20
[  660.948833]  ? filemap_map_pages+0xd92/0x1a20
[  660.953328]  ? queue_work_on+0x12c/0x1e0
[  660.957394]  ? find_get_entries_tag+0x1400/0x1400
[  660.962238]  ? debug_object_destroy+0x2b0/0x2b0
[  660.966909]  ? lock_pi_update_atomic+0x150/0x150
[  660.971679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.977224]  ? lock_acquire+0x1ed/0x520
[  660.981194]  ? ext4_filemap_fault+0x7a/0xad
[  660.985541]  ? lock_release+0xa00/0xa00
[  660.989517]  ? perf_trace_sched_process_exec+0x860/0x860
[  660.994983]  ? print_usage_bug+0xc0/0xc0
[  660.999042]  ? print_usage_bug+0xc0/0xc0
[  661.003111]  ? down_read+0x8d/0x120
[  661.006728]  ? ext4_filemap_fault+0x7a/0xad
[  661.011048]  ? __down_interruptible+0x700/0x700
[  661.015744]  ext4_filemap_fault+0x82/0xad
[  661.019891]  __do_fault+0x100/0x6b0
[  661.023517]  ? find_held_lock+0x36/0x1c0
[  661.027582]  ? pmd_devmap_trans_unstable+0x220/0x220
[  661.032685]  ? mark_held_locks+0x130/0x130
[  661.036918]  ? mark_held_locks+0x130/0x130
[  661.041154]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  661.046701]  __handle_mm_fault+0x3ea0/0x5be0
[  661.051102]  ? perf_trace_lock+0x7a0/0x7a0
[  661.055338]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  661.060184]  ? __switch_to_asm+0x34/0x70
[  661.064240]  ? __switch_to_asm+0x34/0x70
[  661.068307]  ? zap_class+0x640/0x640
[  661.072015]  ? zap_class+0x640/0x640
[  661.075726]  ? __x64_sys_futex+0x53e/0x6a0
[  661.079966]  ? find_held_lock+0x36/0x1c0
[  661.084035]  ? handle_mm_fault+0x42a/0xc70
[  661.088266]  ? lock_downgrade+0x900/0x900
[  661.092411]  ? check_preemption_disabled+0x48/0x280
[  661.097427]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  661.102352]  ? kasan_check_read+0x11/0x20
[  661.106493]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  661.111882]  ? rcu_softirq_qs+0x20/0x20
[  661.115873]  ? trace_hardirqs_off_caller+0x310/0x310
[  661.120974]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  661.126517]  ? check_preemption_disabled+0x48/0x280
[  661.131550]  handle_mm_fault+0x54f/0xc70
[  661.135612]  ? __handle_mm_fault+0x5be0/0x5be0
[  661.140198]  ? find_vma+0x34/0x190
[  661.143741]  __do_page_fault+0x5e8/0xe60
[  661.147795]  ? trace_hardirqs_off+0xb8/0x310
[  661.152209]  do_page_fault+0xf2/0x7e0
[  661.156007]  ? vmalloc_sync_all+0x30/0x30
[  661.160154]  ? error_entry+0x70/0xd0
[  661.163865]  ? trace_hardirqs_off_caller+0xbb/0x310
[  661.168879]  ? trace_hardirqs_on_caller+0xc0/0x310
[  661.173842]  ? syscall_return_slowpath+0x5e0/0x5e0
[  661.178766]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  661.183622]  ? trace_hardirqs_on_caller+0x310/0x310
[  661.188632]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  661.194084]  ? prepare_exit_to_usermode+0x291/0x3b0
[  661.199356]  ? page_fault+0x8/0x30
[  661.202911]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  661.207772]  ? page_fault+0x8/0x30
[  661.211311]  page_fault+0x1e/0x30
[  661.214756] RIP: 0033:0x40f9c0
[  661.217977] Code: Bad RIP value.
[  661.221336] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  661.226694] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  661.233969] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  661.241229] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  661.248591] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  661.255853] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  661.263137] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  661.263142] warn_alloc_show_mem: 1 callbacks suppressed
[  661.263148] Mem-Info:
[  661.270415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  661.275780] active_anon:54071 inactive_anon:192 isolated_anon:0
[  661.275780]  active_file:13 inactive_file:14 isolated_file:0
[  661.275780]  unevictable:0 dirty:0 writeback:0 unstable:0
[  661.275780]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  661.275780]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  661.275780]  free:13779 free_pcp:228 free_cma:0
[  661.278148] Call Trace:
[  661.287554] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  661.320388]  <IRQ>
[  661.322954] 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
[  661.350451]  dump_stack+0x244/0x39d
[  661.352561] lowmem_reserve[]: 0 2818 6321 6321
[  661.378671]  ? dump_stack_print_info.cold.1+0x20/0x20
[  661.382266] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  661.386864]  warn_alloc.cold.116+0xb7/0x1bd
[  661.392011] lowmem_reserve[]: 0 0 3503 3503
[  661.419514]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  661.423809] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  661.428143]  ? lock_downgrade+0x900/0x900
[  661.432946] lowmem_reserve[]: 0 0 0 0
[  661.461846]  ? trace_hardirqs_off+0xb8/0x310
[  661.465973] 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
[  661.469767]  ? trace_hardirqs_off+0xb8/0x310
[  661.474143] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  661.487664]  __alloc_pages_slowpath+0x2651/0x2de0
[  661.492038] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  661.507918]  ? warn_alloc+0x120/0x120
[  661.512738] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  661.528325]  ? print_usage_bug+0xc0/0xc0
[  661.532101] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  661.540933]  ? warn_alloc+0x120/0x120
[  661.544974] 271 total pagecache pages
[  661.553539]  ? warn_alloc+0x120/0x120
[  661.557339] 0 pages in swap cache
[  661.561122]  ? print_usage_bug+0xc0/0xc0
[  661.564895] Swap cache stats: add 0, delete 0, find 0/0
[  661.568348]  ? kvm_clock_read+0x18/0x30
[  661.572378] Free swap  = 0kB
[  661.577726]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  661.581674] Total swap = 0kB
[  661.584679]  ? print_usage_bug+0xc0/0xc0
[  661.589667] 1965979 pages RAM
[  661.592689]  ? __lock_acquire+0x62f/0x4c20
[  661.596718] 0 pages HighMem/MovableOnly
[  661.596725] 342854 pages reserved
[  661.599820]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  661.604028] 0 pages cma reserved
[  661.608102]  ? should_fail+0x22d/0xd01
[  661.611596] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  661.617129]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  661.617147]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  661.620566] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  661.624375]  ? __lock_acquire+0x62f/0x4c20
[  661.630852] syz-fuzzer cpuset=/ mems_allowed=0
[  661.636118]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  661.665391]  ? __lock_acquire+0x62f/0x4c20
[  661.669623]  ? should_fail+0x22d/0xd01
[  661.673513]  ? rcu_irq_exit+0x1a2/0x390
[  661.677501]  ? mark_held_locks+0x130/0x130
[  661.681739]  ? mark_held_locks+0x130/0x130
[  661.685972]  ? mark_held_locks+0xc7/0x130
[  661.690116]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  661.695130]  ? zap_class+0x640/0x640
[  661.698855]  ? print_usage_bug+0xc0/0xc0
[  661.702916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.708463]  ? check_preemption_disabled+0x48/0x280
[  661.713497]  ? __lock_is_held+0xb5/0x140
[  661.717573]  __alloc_pages_nodemask+0xad8/0xea0
[  661.722241]  ? zap_class+0x640/0x640
[  661.725957]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  661.731001]  ? find_held_lock+0x36/0x1c0
[  661.735073]  ? ____cache_alloc_node+0x1c7/0x1e0
[  661.739747]  ? lock_downgrade+0x900/0x900
[  661.743901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.749438]  cache_grow_begin+0xa5/0x8c0
[  661.753503]  ? do_raw_spin_unlock+0xa7/0x330
[  661.757946]  fallback_alloc+0x204/0x2e0
[  661.761923]  ____cache_alloc_node+0x1c7/0x1e0
[  661.766417]  kmem_cache_alloc_node+0xe3/0x730
[  661.770923]  ? ipv6_get_ifaddr+0x42e/0x620
[  661.775181]  __alloc_skb+0x119/0x770
[  661.778898]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  661.784177]  ? netdev_alloc_frag+0x1f0/0x1f0
[  661.788580]  ? lock_downgrade+0x900/0x900
[  661.792746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.798280]  ? refcount_sub_and_test_checked+0x203/0x310
[  661.803730]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  661.809176]  ? addrconf_rs_timer+0x690/0x690
[  661.813591]  ndisc_alloc_skb+0x144/0x340
[  661.817667]  ndisc_send_rs+0x331/0x6e0
[  661.821560]  addrconf_rs_timer+0x314/0x690
[  661.825795]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  661.830040]  call_timer_fn+0x272/0x920
[  661.833925]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  661.838153]  ? process_timeout+0x40/0x40
[  661.842215]  ? __run_timers+0x7da/0xc70
[  661.846188]  ? _raw_spin_unlock_irq+0x27/0x80
[  661.850677]  ? _raw_spin_unlock_irq+0x27/0x80
[  661.855166]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  661.859396]  ? lockdep_hardirqs_on+0x296/0x5b0
[  661.864078]  ? trace_hardirqs_on+0xbd/0x310
[  661.868393]  ? kasan_check_read+0x11/0x20
[  661.872537]  ? __run_timers+0x7da/0xc70
[  661.876614]  ? trace_hardirqs_off_caller+0x310/0x310
[  661.881717]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  661.885950]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  661.890208]  __run_timers+0x7e5/0xc70
[  661.894012]  ? timer_fixup_init+0x70/0x70
[  661.898162]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  661.903271]  ? zap_class+0x640/0x640
[  661.906985]  ? enqueue_hrtimer+0x1a5/0x560
[  661.911237]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  661.916429]  ? find_held_lock+0x36/0x1c0
[  661.920498]  ? zap_class+0x640/0x640
[  661.924355]  ? pvclock_read_flags+0x160/0x160
[  661.928847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.934386]  ? check_preemption_disabled+0x48/0x280
[  661.939409]  ? __lock_is_held+0xb5/0x140
[  661.943470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.949016]  ? check_preemption_disabled+0x48/0x280
[  661.954037]  run_timer_softirq+0x52/0xb0
[  661.958095]  ? rcu_read_lock_sched_held+0x14f/0x180
[  661.963106]  __do_softirq+0x308/0xb7e
[  661.966911]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  661.971397]  ? lock_downgrade+0x900/0x900
[  661.975544]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  661.980649]  ? pvclock_read_flags+0x160/0x160
[  661.985144]  ? lapic_next_event+0x5a/0x90
[  661.989289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.994827]  ? kvm_clock_read+0x18/0x30
[  661.998799]  ? kvm_sched_clock_read+0x9/0x20
[  662.003204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.008736]  ? check_preemption_disabled+0x48/0x280
[  662.013756]  irq_exit+0x17f/0x1c0
[  662.017207]  smp_apic_timer_interrupt+0x1cb/0x760
[  662.022045]  ? smp_reschedule_interrupt+0x109/0x650
[  662.027059]  ? smp_call_function_single_interrupt+0x650/0x650
[  662.032939]  ? interrupt_entry+0xb5/0xc0
[  662.037001]  ? trace_hardirqs_off_caller+0xbb/0x310
[  662.042021]  ? trace_hardirqs_off_caller+0xbb/0x310
[  662.047037]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  662.051877]  ? trace_hardirqs_on_caller+0x310/0x310
[  662.056887]  ? trace_hardirqs_on_caller+0x310/0x310
[  662.061903]  ? task_prio+0x50/0x50
[  662.065439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.070972]  ? check_preemption_disabled+0x48/0x280
[  662.076002]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  662.080864]  apic_timer_interrupt+0xf/0x20
[  662.085090]  </IRQ>
[  662.087324] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  662.092250] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  662.111144] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  662.118846] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  662.126109] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  662.133371] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  662.140632] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  662.147898] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  662.155216]  skb_clone+0x1bb/0x500
[  662.158754]  ? finish_task_switch+0x1b4/0x910
[  662.163247]  ? skb_split+0x11e0/0x11e0
[  662.167132]  ? preempt_notifier_register+0x200/0x200
[  662.172227]  ? __switch_to_asm+0x34/0x70
[  662.176283]  ? __switch_to_asm+0x34/0x70
[  662.180337]  ? __switch_to_asm+0x40/0x70
[  662.184390]  ? __switch_to_asm+0x34/0x70
[  662.188443]  ? __switch_to_asm+0x40/0x70
[  662.192506]  ? __switch_to_asm+0x34/0x70
[  662.196562]  ? __switch_to_asm+0x40/0x70
[  662.200643]  ? __switch_to_asm+0x34/0x70
[  662.204708]  ? __switch_to_asm+0x34/0x70
[  662.208763]  ? __switch_to_asm+0x40/0x70
[  662.212818]  ? __switch_to_asm+0x34/0x70
[  662.216878]  bpf_clone_redirect+0xb9/0x490
[  662.221114]  ? __schedule+0x8d7/0x21d0
[  662.225011]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  662.230040]  ? __sched_text_start+0x8/0x8
[  662.234187]  ? retint_kernel+0x2d/0x2d
[  662.238083]  ? find_held_lock+0x36/0x1c0
[  662.242146]  ? lock_acquire+0x1ed/0x520
[  662.246117]  ? bpf_test_run+0x3cb/0x780
[  662.250101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.255648]  ? check_preemption_disabled+0x48/0x280
[  662.260666]  ? kasan_check_read+0x11/0x20
[  662.264809]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  662.270084]  ? rcu_softirq_qs+0x20/0x20
[  662.274056]  ? preempt_schedule+0x4d/0x60
[  662.278203]  ? ___preempt_schedule+0x16/0x18
[  662.282636]  ? bpf_test_run+0x25d/0x780
[  662.286704]  ? netlink_diag_dump+0x2a0/0x2a0
[  662.291113]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  662.296660]  ? bpf_test_init.isra.10+0x70/0x100
[  662.301328]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  662.306098]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  662.310941]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  662.316482]  ? fput+0x130/0x1a0
[  662.319777]  ? __bpf_prog_get+0x9b/0x290
[  662.323838]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  662.328692]  ? bpf_prog_test_run+0x130/0x1a0
[  662.333120]  ? __x64_sys_bpf+0x3db/0x520
[  662.337175]  ? bpf_prog_get+0x20/0x20
[  662.341012]  ? do_syscall_64+0x1b9/0x820
[  662.345066]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  662.350429]  ? syscall_return_slowpath+0x5e0/0x5e0
[  662.355360]  ? trace_hardirqs_on_caller+0x310/0x310
[  662.360371]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  662.365384]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  662.372063]  ? __switch_to_asm+0x40/0x70
[  662.376208]  ? __switch_to_asm+0x34/0x70
[  662.380269]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  662.385113]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  662.390510] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  662.390593] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  662.397521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  662.397525] Call Trace:
[  662.397531]  <IRQ>
[  662.397550]  dump_stack+0x244/0x39d
[  662.397569]  ? dump_stack_print_info.cold.1+0x20/0x20
[  662.404120] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  662.413393]  warn_alloc.cold.116+0xb7/0x1bd
[  662.415943] syz-executor5 cpuset=syz5 mems_allowed=0
[  662.418083]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  662.451569]  ? lock_downgrade+0x900/0x900
[  662.455717]  ? trace_hardirqs_off+0xb8/0x310
[  662.460126]  ? trace_hardirqs_off+0xb8/0x310
[  662.464651]  __alloc_pages_slowpath+0x2651/0x2de0
[  662.469524]  ? warn_alloc+0x120/0x120
[  662.473322]  ? print_usage_bug+0xc0/0xc0
[  662.477390]  ? warn_alloc+0x120/0x120
[  662.481191]  ? warn_alloc+0x120/0x120
[  662.484989]  ? print_usage_bug+0xc0/0xc0
[  662.489051]  ? print_usage_bug+0xc0/0xc0
[  662.493111]  ? __lock_acquire+0x62f/0x4c20
[  662.497366]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  662.502899]  ? should_fail+0x22d/0xd01
[  662.506786]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  662.511887]  ? __lock_acquire+0x62f/0x4c20
[  662.516119]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  662.521217]  ? __lock_acquire+0x62f/0x4c20
[  662.525442]  ? should_fail+0x22d/0xd01
[  662.529328]  ? find_held_lock+0x36/0x1c0
[  662.533391]  ? mark_held_locks+0x130/0x130
[  662.537622]  ? mark_held_locks+0x130/0x130
[  662.541850]  ? zap_class+0x640/0x640
[  662.545561]  ? zap_class+0x640/0x640
[  662.549269]  ? print_usage_bug+0xc0/0xc0
[  662.553324]  ? do_raw_spin_unlock+0xa7/0x330
[  662.557726]  ? zap_class+0x640/0x640
[  662.561440]  ? print_usage_bug+0xc0/0xc0
[  662.565535]  ? wq_watchdog_touch+0x9c/0xfe
[  662.569780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.575314]  ? check_preemption_disabled+0x48/0x280
[  662.580329]  ? __lock_is_held+0xb5/0x140
[  662.584385]  __alloc_pages_nodemask+0xad8/0xea0
[  662.589231]  ? zap_class+0x640/0x640
[  662.592962]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  662.598003]  ? find_held_lock+0x36/0x1c0
[  662.602069]  ? ____cache_alloc_node+0x1c7/0x1e0
[  662.606744]  ? lock_downgrade+0x900/0x900
[  662.610898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.616437]  cache_grow_begin+0xa5/0x8c0
[  662.620505]  ? do_raw_spin_unlock+0xa7/0x330
[  662.624917]  fallback_alloc+0x204/0x2e0
[  662.628892]  ____cache_alloc_node+0x1c7/0x1e0
[  662.633386]  kmem_cache_alloc_node+0xe3/0x730
[  662.637878]  ? ipv6_get_ifaddr+0x42e/0x620
[  662.642115]  __alloc_skb+0x119/0x770
[  662.645830]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  662.651104]  ? netdev_alloc_frag+0x1f0/0x1f0
[  662.655983]  ? lock_downgrade+0x900/0x900
[  662.660136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.665669]  ? refcount_sub_and_test_checked+0x203/0x310
[  662.671120]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  662.676570]  ? addrconf_rs_timer+0x690/0x690
[  662.680999]  ndisc_alloc_skb+0x144/0x340
[  662.685064]  ndisc_send_rs+0x331/0x6e0
[  662.688957]  addrconf_rs_timer+0x314/0x690
[  662.693192]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  662.697436]  call_timer_fn+0x272/0x920
[  662.701324]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  662.705558]  ? process_timeout+0x40/0x40
[  662.709621]  ? mark_held_locks+0xc7/0x130
[  662.713767]  ? _raw_spin_unlock_irq+0x27/0x80
[  662.718273]  ? _raw_spin_unlock_irq+0x27/0x80
[  662.722812]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  662.727046]  ? lockdep_hardirqs_on+0x296/0x5b0
[  662.731811]  ? trace_hardirqs_on+0xbd/0x310
[  662.736132]  ? kasan_check_read+0x11/0x20
[  662.740272]  ? __run_timers+0x7da/0xc70
[  662.744260]  ? trace_hardirqs_off_caller+0x310/0x310
[  662.749360]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  662.753594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  662.757818]  __run_timers+0x7e5/0xc70
[  662.761628]  ? timer_fixup_init+0x70/0x70
[  662.765774]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  662.770785]  ? zap_class+0x640/0x640
[  662.774509]  ? print_usage_bug+0xc0/0xc0
[  662.778569]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  662.783961]  ? find_held_lock+0x36/0x1c0
[  662.788026]  ? zap_class+0x640/0x640
[  662.791741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.797276]  ? check_preemption_disabled+0x48/0x280
[  662.802300]  ? __lock_is_held+0xb5/0x140
[  662.806356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.811886]  ? check_preemption_disabled+0x48/0x280
[  662.816903]  run_timer_softirq+0x52/0xb0
[  662.820963]  ? rcu_read_lock_sched_held+0x14f/0x180
[  662.826231]  __do_softirq+0x308/0xb7e
[  662.830033]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  662.834523]  ? lock_downgrade+0x900/0x900
[  662.838673]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  662.843788]  ? pvclock_read_flags+0x160/0x160
[  662.848286]  ? lapic_next_event+0x5a/0x90
[  662.852432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.857989]  ? kvm_clock_read+0x18/0x30
[  662.861976]  ? kvm_sched_clock_read+0x9/0x20
[  662.866384]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  662.871919]  ? check_preemption_disabled+0x48/0x280
[  662.876947]  irq_exit+0x17f/0x1c0
[  662.880399]  smp_apic_timer_interrupt+0x1cb/0x760
[  662.885233]  ? smp_reschedule_interrupt+0x109/0x650
[  662.890267]  ? smp_call_function_single_interrupt+0x650/0x650
[  662.896169]  ? interrupt_entry+0xb5/0xc0
[  662.900227]  ? trace_hardirqs_off_caller+0xbb/0x310
[  662.905239]  ? trace_hardirqs_off_caller+0xbb/0x310
[  662.910255]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  662.915096]  ? trace_hardirqs_on_caller+0x310/0x310
[  662.920106]  ? trace_hardirqs_on_caller+0x310/0x310
[  662.925131]  ? task_prio+0x50/0x50
[  662.928670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.934206]  ? check_preemption_disabled+0x48/0x280
[  662.939219]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  662.944075]  apic_timer_interrupt+0xf/0x20
[  662.948302]  </IRQ>
[  662.950537] RIP: 0010:dump_stack+0x358/0x39d
[  662.954944] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  662.973842] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  662.981543] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  662.988807] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  662.996070] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  663.003340] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  663.010614] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  663.017894]  ? dump_stack+0x34f/0x39d
[  663.021791]  ? dump_stack_print_info.cold.1+0x20/0x20
[  663.026989]  ? mark_held_locks+0x130/0x130
[  663.031224]  ? mark_held_locks+0x130/0x130
[  663.035464]  dump_header+0x27b/0xf72
[  663.039184]  ? pagefault_out_of_memory+0x197/0x197
[  663.044116]  ? __lock_acquire+0x62f/0x4c20
[  663.048348]  ? percpu_ref_get_many+0x240/0x240
[  663.052924]  ? print_usage_bug+0xc0/0xc0
[  663.057158]  ? zap_class+0x640/0x640
[  663.060871]  ? print_usage_bug+0xc0/0xc0
[  663.064926]  ? print_usage_bug+0xc0/0xc0
[  663.068988]  ? zap_class+0x640/0x640
[  663.072699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.078240]  ? find_held_lock+0x36/0x1c0
[  663.082305]  ? mark_held_locks+0xc7/0x130
[  663.086458]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  663.091560]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  663.096659]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  663.101236]  ? trace_hardirqs_on+0xbd/0x310
[  663.105550]  ? kasan_check_read+0x11/0x20
[  663.109702]  ? ___ratelimit+0x3b4/0x672
[  663.113673]  ? trace_hardirqs_off_caller+0x310/0x310
[  663.118767]  ? trace_hardirqs_on+0x310/0x310
[  663.123170]  ? lock_downgrade+0x900/0x900
[  663.127335]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  663.132430]  ? ___ratelimit+0x3b9/0x672
[  663.136407]  ? idr_get_free+0xf70/0xf70
[  663.140376]  ? find_held_lock+0x36/0x1c0
[  663.144439]  oom_kill_process.cold.27+0x10/0x903
[  663.149195]  ? zap_class+0x640/0x640
[  663.152909]  ? check_preemption_disabled+0x48/0x280
[  663.157926]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  663.162860]  ? kasan_check_read+0x11/0x20
[  663.167019]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  663.172295]  ? oom_evaluate_task+0x540/0x540
[  663.176720]  ? find_held_lock+0x36/0x1c0
[  663.180787]  ? out_of_memory+0x974/0x1430
[  663.184931]  ? lock_downgrade+0x900/0x900
[  663.189077]  ? check_preemption_disabled+0x48/0x280
[  663.194106]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  663.199032]  ? kasan_check_read+0x11/0x20
[  663.203180]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  663.208465]  ? rcu_softirq_qs+0x20/0x20
[  663.212441]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  663.217985]  ? oom_evaluate_task+0x302/0x540
[  663.222402]  out_of_memory+0xa84/0x1430
[  663.226383]  ? oom_killer_disable+0x3a0/0x3a0
[  663.230877]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  663.235809]  ? __ww_mutex_check_waiters+0x160/0x160
[  663.240851]  __alloc_pages_slowpath+0x232c/0x2de0
[  663.245712]  ? warn_alloc+0x120/0x120
[  663.249509]  ? mark_held_locks+0x130/0x130
[  663.253745]  ? find_get_entry+0xaae/0x1120
[  663.257986]  ? filemap_map_pages+0x1a20/0x1a20
[  663.262571]  ? zap_class+0x640/0x640
[  663.266289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.271826]  ? check_preemption_disabled+0x48/0x280
[  663.276928]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  663.282469]  ? should_fail+0x22d/0xd01
[  663.286359]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  663.291468]  ? zap_class+0x640/0x640
[  663.295300]  ? __lock_is_held+0xb5/0x140
[  663.299367]  ? mark_held_locks+0x130/0x130
[  663.303601]  ? lock_release+0xa00/0xa00
[  663.307590]  ? perf_trace_sched_process_exec+0x860/0x860
[  663.313032]  ? xa_load+0x2ba/0x460
[  663.316571]  ? lock_downgrade+0x900/0x900
[  663.320722]  ? __might_sleep+0x95/0x190
[  663.324701]  __alloc_pages_nodemask+0xad8/0xea0
[  663.329372]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  663.334383]  ? __page_cache_alloc+0x191/0x5c0
[  663.338872]  ? xa_load+0x2e1/0x460
[  663.342408]  ? xa_clear_mark+0x40/0x40
[  663.346374]  ? zap_class+0x640/0x640
[  663.350083]  ? zap_class+0x640/0x640
[  663.353796]  ? zap_class+0x640/0x640
[  663.357528]  ? zap_class+0x640/0x640
[  663.361238]  ? __do_page_cache_readahead+0x663/0x810
[  663.366341]  ? find_held_lock+0x36/0x1c0
[  663.370404]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  663.375946]  alloc_pages_current+0x173/0x350
[  663.380356]  __page_cache_alloc+0x38c/0x5c0
[  663.384671]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  663.389615]  ? kasan_check_read+0x11/0x20
[  663.393794]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  663.399071]  ? generic_perform_write+0x6a0/0x6a0
[  663.403827]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  663.409362]  ? check_preemption_disabled+0x48/0x280
[  663.414380]  filemap_fault+0x1595/0x25f0
[  663.418457]  ? __lock_page_or_retry+0xa00/0xa00
[  663.423126]  ? mark_held_locks+0x130/0x130
[  663.427365]  ? filemap_map_pages+0xd6b/0x1a20
[  663.431862]  ? lock_downgrade+0x900/0x900
[  663.436006]  ? check_preemption_disabled+0x48/0x280
[  663.441036]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  663.445987]  ? kasan_check_read+0x11/0x20
[  663.450132]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  663.455404]  ? rcu_softirq_qs+0x20/0x20
[  663.459386]  ? filemap_map_pages+0xd92/0x1a20
[  663.463886]  ? queue_work_on+0x12c/0x1e0
[  663.467947]  ? find_get_entries_tag+0x1400/0x1400
[  663.472789]  ? debug_object_destroy+0x2b0/0x2b0
[  663.477462]  ? lock_pi_update_atomic+0x150/0x150
[  663.482336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.487882]  ? lock_acquire+0x1ed/0x520
[  663.491851]  ? ext4_filemap_fault+0x7a/0xad
[  663.496176]  ? lock_release+0xa00/0xa00
[  663.500144]  ? perf_trace_sched_process_exec+0x860/0x860
[  663.505607]  ? print_usage_bug+0xc0/0xc0
[  663.509690]  ? print_usage_bug+0xc0/0xc0
[  663.513758]  ? down_read+0x8d/0x120
[  663.517377]  ? ext4_filemap_fault+0x7a/0xad
[  663.521704]  ? __down_interruptible+0x700/0x700
[  663.526377]  ext4_filemap_fault+0x82/0xad
[  663.530523]  __do_fault+0x100/0x6b0
[  663.534146]  ? find_held_lock+0x36/0x1c0
[  663.538205]  ? pmd_devmap_trans_unstable+0x220/0x220
[  663.543310]  ? mark_held_locks+0x130/0x130
[  663.547540]  ? mark_held_locks+0x130/0x130
[  663.551783]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  663.557335]  __handle_mm_fault+0x3ea0/0x5be0
[  663.561736]  ? perf_trace_lock+0x7a0/0x7a0
[  663.565974]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  663.570819]  ? __switch_to_asm+0x34/0x70
[  663.574874]  ? __switch_to_asm+0x34/0x70
[  663.578942]  ? zap_class+0x640/0x640
[  663.582653]  ? zap_class+0x640/0x640
[  663.586364]  ? __x64_sys_futex+0x53e/0x6a0
[  663.590598]  ? find_held_lock+0x36/0x1c0
[  663.594662]  ? handle_mm_fault+0x42a/0xc70
[  663.598892]  ? lock_downgrade+0x900/0x900
[  663.603051]  ? check_preemption_disabled+0x48/0x280
[  663.608064]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  663.612992]  ? kasan_check_read+0x11/0x20
[  663.617221]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  663.622499]  ? rcu_softirq_qs+0x20/0x20
[  663.626471]  ? trace_hardirqs_off_caller+0x310/0x310
[  663.631575]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  663.637111]  ? check_preemption_disabled+0x48/0x280
[  663.642128]  handle_mm_fault+0x54f/0xc70
[  663.646186]  ? __handle_mm_fault+0x5be0/0x5be0
[  663.650771]  ? find_vma+0x34/0x190
[  663.654314]  __do_page_fault+0x5e8/0xe60
[  663.658380]  ? trace_hardirqs_off+0xb8/0x310
[  663.662795]  do_page_fault+0xf2/0x7e0
[  663.666595]  ? vmalloc_sync_all+0x30/0x30
[  663.670741]  ? error_entry+0x70/0xd0
[  663.674459]  ? trace_hardirqs_off_caller+0xbb/0x310
[  663.679481]  ? trace_hardirqs_on_caller+0xc0/0x310
[  663.684409]  ? syscall_return_slowpath+0x5e0/0x5e0
[  663.689338]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  663.694180]  ? trace_hardirqs_on_caller+0x310/0x310
[  663.699193]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  663.704642]  ? prepare_exit_to_usermode+0x291/0x3b0
[  663.709657]  ? page_fault+0x8/0x30
[  663.713202]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  663.718047]  ? page_fault+0x8/0x30
[  663.721584]  page_fault+0x1e/0x30
[  663.725028] RIP: 0033:0x40f9c0
[  663.728318] Code: Bad RIP value.
[  663.731703] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  663.737080] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  663.744341] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  663.751602] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  663.758867] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  663.766136] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  663.773449] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  663.773454] warn_alloc_show_mem: 1 callbacks suppressed
[  663.773461] Mem-Info:
[  663.780734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  663.786100] active_anon:54071 inactive_anon:192 isolated_anon:0
[  663.786100]  active_file:13 inactive_file:14 isolated_file:0
[  663.786100]  unevictable:0 dirty:0 writeback:0 unstable:0
[  663.786100]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  663.786100]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  663.786100]  free:13779 free_pcp:228 free_cma:0
[  663.788466] Call Trace:
[  663.797846] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  663.830700]  <IRQ>
[  663.833284] 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
[  663.860776]  dump_stack+0x244/0x39d
[  663.862911] lowmem_reserve[]: 0 2818 6321 6321
[  663.889204]  ? dump_stack_print_info.cold.1+0x20/0x20
[  663.892801] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  663.897381]  warn_alloc.cold.116+0xb7/0x1bd
[  663.902529] lowmem_reserve[]: 0 0 3503 3503
[  663.930137]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  663.934439] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  663.938749]  ? lock_downgrade+0x900/0x900
[  663.943560] lowmem_reserve[]: 0 0 0 0
[  663.972446]  ? trace_hardirqs_off+0xb8/0x310
[  663.976559] 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
[  663.980483]  ? trace_hardirqs_off+0xb8/0x310
[  663.984860] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  663.998467]  __alloc_pages_slowpath+0x2651/0x2de0
[  664.002957] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  664.018840]  ? warn_alloc+0x120/0x120
[  664.023642] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  664.039228]  ? print_usage_bug+0xc0/0xc0
[  664.043004] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  664.051823]  ? warn_alloc+0x120/0x120
[  664.055858] 271 total pagecache pages
[  664.064421]  ? warn_alloc+0x120/0x120
[  664.068238] 0 pages in swap cache
[  664.072018]  ? print_usage_bug+0xc0/0xc0
[  664.075794] Swap cache stats: add 0, delete 0, find 0/0
[  664.079353]  ? kvm_clock_read+0x18/0x30
[  664.083386] Free swap  = 0kB
[  664.088736]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  664.092678] Total swap = 0kB
[  664.095685]  ? print_usage_bug+0xc0/0xc0
[  664.100674] 1965979 pages RAM
[  664.103682]  ? __lock_acquire+0x62f/0x4c20
[  664.107708] 0 pages HighMem/MovableOnly
[  664.107715] 342854 pages reserved
[  664.110811]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  664.115033] 0 pages cma reserved
[  664.118994]  ? should_fail+0x22d/0xd01
[  664.122497] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  664.127935]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  664.127952]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  664.131353] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  664.135163]  ? __lock_acquire+0x62f/0x4c20
[  664.141622] syz-fuzzer cpuset=/ mems_allowed=0
[  664.146889]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  664.176049]  ? __lock_acquire+0x62f/0x4c20
[  664.180278]  ? should_fail+0x22d/0xd01
[  664.184161]  ? rcu_irq_exit+0x1a2/0x390
[  664.188137]  ? mark_held_locks+0x130/0x130
[  664.192373]  ? mark_held_locks+0x130/0x130
[  664.196609]  ? mark_held_locks+0xc7/0x130
[  664.200769]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  664.205865]  ? zap_class+0x640/0x640
[  664.209582]  ? print_usage_bug+0xc0/0xc0
[  664.213645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.219199]  ? check_preemption_disabled+0x48/0x280
[  664.224222]  ? __lock_is_held+0xb5/0x140
[  664.228283]  __alloc_pages_nodemask+0xad8/0xea0
[  664.232949]  ? zap_class+0x640/0x640
[  664.236669]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  664.241692]  ? find_held_lock+0x36/0x1c0
[  664.245759]  ? ____cache_alloc_node+0x1c7/0x1e0
[  664.250436]  ? lock_downgrade+0x900/0x900
[  664.254603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.260139]  cache_grow_begin+0xa5/0x8c0
[  664.264198]  ? do_raw_spin_unlock+0xa7/0x330
[  664.268607]  fallback_alloc+0x204/0x2e0
[  664.272595]  ____cache_alloc_node+0x1c7/0x1e0
[  664.277085]  kmem_cache_alloc_node+0xe3/0x730
[  664.281588]  ? ipv6_get_ifaddr+0x42e/0x620
[  664.285827]  __alloc_skb+0x119/0x770
[  664.289532]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  664.294808]  ? netdev_alloc_frag+0x1f0/0x1f0
[  664.299213]  ? lock_downgrade+0x900/0x900
[  664.303361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.308895]  ? refcount_sub_and_test_checked+0x203/0x310
[  664.314359]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  664.319917]  ? addrconf_rs_timer+0x690/0x690
[  664.324335]  ndisc_alloc_skb+0x144/0x340
[  664.328398]  ndisc_send_rs+0x331/0x6e0
[  664.332294]  addrconf_rs_timer+0x314/0x690
[  664.336614]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  664.340857]  call_timer_fn+0x272/0x920
[  664.344741]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  664.348974]  ? process_timeout+0x40/0x40
[  664.353036]  ? __run_timers+0x7da/0xc70
[  664.357122]  ? _raw_spin_unlock_irq+0x27/0x80
[  664.361609]  ? _raw_spin_unlock_irq+0x27/0x80
[  664.366108]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  664.370336]  ? lockdep_hardirqs_on+0x296/0x5b0
[  664.375013]  ? trace_hardirqs_on+0xbd/0x310
[  664.379351]  ? kasan_check_read+0x11/0x20
[  664.383496]  ? __run_timers+0x7da/0xc70
[  664.387465]  ? trace_hardirqs_off_caller+0x310/0x310
[  664.392561]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  664.396795]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  664.401021]  __run_timers+0x7e5/0xc70
[  664.404824]  ? timer_fixup_init+0x70/0x70
[  664.408973]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  664.413985]  ? zap_class+0x640/0x640
[  664.417696]  ? enqueue_hrtimer+0x1a5/0x560
[  664.421942]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  664.427148]  ? find_held_lock+0x36/0x1c0
[  664.431209]  ? zap_class+0x640/0x640
[  664.434919]  ? pvclock_read_flags+0x160/0x160
[  664.439495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.445025]  ? check_preemption_disabled+0x48/0x280
[  664.450039]  ? __lock_is_held+0xb5/0x140
[  664.454091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.459712]  ? check_preemption_disabled+0x48/0x280
[  664.464741]  run_timer_softirq+0x52/0xb0
[  664.468799]  ? rcu_read_lock_sched_held+0x14f/0x180
[  664.473808]  __do_softirq+0x308/0xb7e
[  664.477610]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  664.482116]  ? lock_downgrade+0x900/0x900
[  664.486277]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  664.491393]  ? pvclock_read_flags+0x160/0x160
[  664.495906]  ? lapic_next_event+0x5a/0x90
[  664.500051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.505589]  ? kvm_clock_read+0x18/0x30
[  664.509558]  ? kvm_sched_clock_read+0x9/0x20
[  664.513971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.519503]  ? check_preemption_disabled+0x48/0x280
[  664.524551]  irq_exit+0x17f/0x1c0
[  664.528001]  smp_apic_timer_interrupt+0x1cb/0x760
[  664.532834]  ? smp_reschedule_interrupt+0x109/0x650
[  664.537850]  ? smp_call_function_single_interrupt+0x650/0x650
[  664.543737]  ? interrupt_entry+0xb5/0xc0
[  664.547808]  ? trace_hardirqs_off_caller+0xbb/0x310
[  664.552815]  ? trace_hardirqs_off_caller+0xbb/0x310
[  664.557849]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  664.562691]  ? trace_hardirqs_on_caller+0x310/0x310
[  664.567705]  ? trace_hardirqs_on_caller+0x310/0x310
[  664.572720]  ? task_prio+0x50/0x50
[  664.576260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.581819]  ? check_preemption_disabled+0x48/0x280
[  664.586829]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  664.591674]  apic_timer_interrupt+0xf/0x20
[  664.595895]  </IRQ>
[  664.598131] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  664.603053] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  664.622016] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  664.629718] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  664.636981] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  664.644241] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  664.651604] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  664.659289] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  664.666599]  skb_clone+0x1bb/0x500
[  664.670139]  ? finish_task_switch+0x1b4/0x910
[  664.674721]  ? skb_split+0x11e0/0x11e0
[  664.678604]  ? preempt_notifier_register+0x200/0x200
[  664.683702]  ? __switch_to_asm+0x34/0x70
[  664.687770]  ? __switch_to_asm+0x34/0x70
[  664.692172]  ? __switch_to_asm+0x40/0x70
[  664.696223]  ? __switch_to_asm+0x34/0x70
[  664.700273]  ? __switch_to_asm+0x40/0x70
[  664.704420]  ? __switch_to_asm+0x34/0x70
[  664.708494]  ? __switch_to_asm+0x40/0x70
[  664.712558]  ? __switch_to_asm+0x34/0x70
[  664.716615]  ? __switch_to_asm+0x34/0x70
[  664.720673]  ? __switch_to_asm+0x40/0x70
[  664.724729]  ? __switch_to_asm+0x34/0x70
[  664.728789]  bpf_clone_redirect+0xb9/0x490
[  664.733019]  ? __schedule+0x8d7/0x21d0
[  664.736945]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  664.741974]  ? __sched_text_start+0x8/0x8
[  664.746116]  ? retint_kernel+0x2d/0x2d
[  664.750007]  ? find_held_lock+0x36/0x1c0
[  664.754081]  ? lock_acquire+0x1ed/0x520
[  664.758071]  ? bpf_test_run+0x3cb/0x780
[  664.762067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.767605]  ? check_preemption_disabled+0x48/0x280
[  664.772620]  ? kasan_check_read+0x11/0x20
[  664.776787]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  664.782058]  ? rcu_softirq_qs+0x20/0x20
[  664.786041]  ? preempt_schedule+0x4d/0x60
[  664.790186]  ? ___preempt_schedule+0x16/0x18
[  664.794597]  ? bpf_test_run+0x25d/0x780
[  664.798576]  ? netlink_diag_dump+0x2a0/0x2a0
[  664.802991]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  664.808543]  ? bpf_test_init.isra.10+0x70/0x100
[  664.813213]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  664.817988]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  664.823370]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  664.828907]  ? fput+0x130/0x1a0
[  664.832203]  ? __bpf_prog_get+0x9b/0x290
[  664.836268]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  664.841113]  ? bpf_prog_test_run+0x130/0x1a0
[  664.845522]  ? __x64_sys_bpf+0x3db/0x520
[  664.849578]  ? bpf_prog_get+0x20/0x20
[  664.853395]  ? do_syscall_64+0x1b9/0x820
[  664.857459]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  664.862819]  ? syscall_return_slowpath+0x5e0/0x5e0
[  664.867854]  ? trace_hardirqs_on_caller+0x310/0x310
[  664.872868]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  664.877879]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  664.884556]  ? __switch_to_asm+0x40/0x70
[  664.888611]  ? __switch_to_asm+0x34/0x70
[  664.892670]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  664.897516]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  664.902900] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  664.903007] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  664.909915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  664.909922] Call Trace:
[  664.916516] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  664.925742]  <IRQ>
[  664.928307] syz-executor5 cpuset=syz5 mems_allowed=0
[  664.938791]  dump_stack+0x244/0x39d
[  664.949648]  ? dump_stack_print_info.cold.1+0x20/0x20
[  664.954932]  warn_alloc.cold.116+0xb7/0x1bd
[  664.959254]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  664.964094]  ? lock_downgrade+0x900/0x900
[  664.968249]  ? trace_hardirqs_off+0xb8/0x310
[  664.972663]  ? trace_hardirqs_off+0xb8/0x310
[  664.977088]  __alloc_pages_slowpath+0x2651/0x2de0
[  664.981951]  ? warn_alloc+0x120/0x120
[  664.985749]  ? print_usage_bug+0xc0/0xc0
[  664.989808]  ? warn_alloc+0x120/0x120
[  664.993611]  ? warn_alloc+0x120/0x120
[  664.997421]  ? print_usage_bug+0xc0/0xc0
[  665.001485]  ? print_usage_bug+0xc0/0xc0
[  665.005545]  ? __lock_acquire+0x62f/0x4c20
[  665.009782]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  665.015318]  ? should_fail+0x22d/0xd01
[  665.019216]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  665.024329]  ? __lock_acquire+0x62f/0x4c20
[  665.028564]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  665.033659]  ? __lock_acquire+0x62f/0x4c20
[  665.037889]  ? should_fail+0x22d/0xd01
[  665.041796]  ? find_held_lock+0x36/0x1c0
[  665.045863]  ? mark_held_locks+0x130/0x130
[  665.050110]  ? mark_held_locks+0x130/0x130
[  665.054364]  ? zap_class+0x640/0x640
[  665.058072]  ? zap_class+0x640/0x640
[  665.061801]  ? print_usage_bug+0xc0/0xc0
[  665.065852]  ? do_raw_spin_unlock+0xa7/0x330
[  665.070253]  ? zap_class+0x640/0x640
[  665.073962]  ? print_usage_bug+0xc0/0xc0
[  665.078016]  ? wq_watchdog_touch+0x9c/0xfe
[  665.082250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.087781]  ? check_preemption_disabled+0x48/0x280
[  665.092805]  ? __lock_is_held+0xb5/0x140
[  665.096868]  __alloc_pages_nodemask+0xad8/0xea0
[  665.101533]  ? zap_class+0x640/0x640
[  665.105245]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  665.110279]  ? find_held_lock+0x36/0x1c0
[  665.114357]  ? ____cache_alloc_node+0x1c7/0x1e0
[  665.119022]  ? lock_downgrade+0x900/0x900
[  665.123172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.128717]  cache_grow_begin+0xa5/0x8c0
[  665.132769]  ? do_raw_spin_unlock+0xa7/0x330
[  665.137182]  fallback_alloc+0x204/0x2e0
[  665.141175]  ____cache_alloc_node+0x1c7/0x1e0
[  665.145668]  kmem_cache_alloc_node+0xe3/0x730
[  665.150162]  ? ipv6_get_ifaddr+0x42e/0x620
[  665.154410]  __alloc_skb+0x119/0x770
[  665.158120]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  665.163485]  ? netdev_alloc_frag+0x1f0/0x1f0
[  665.167888]  ? lock_downgrade+0x900/0x900
[  665.172057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.177595]  ? refcount_sub_and_test_checked+0x203/0x310
[  665.183042]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  665.188488]  ? addrconf_rs_timer+0x690/0x690
[  665.192915]  ndisc_alloc_skb+0x144/0x340
[  665.196978]  ndisc_send_rs+0x331/0x6e0
[  665.200865]  addrconf_rs_timer+0x314/0x690
[  665.205101]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  665.209341]  call_timer_fn+0x272/0x920
[  665.213225]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  665.217456]  ? process_timeout+0x40/0x40
[  665.221527]  ? mark_held_locks+0xc7/0x130
[  665.225673]  ? _raw_spin_unlock_irq+0x27/0x80
[  665.230180]  ? _raw_spin_unlock_irq+0x27/0x80
[  665.234670]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  665.238905]  ? lockdep_hardirqs_on+0x296/0x5b0
[  665.243486]  ? trace_hardirqs_on+0xbd/0x310
[  665.247807]  ? kasan_check_read+0x11/0x20
[  665.251948]  ? __run_timers+0x7da/0xc70
[  665.255924]  ? trace_hardirqs_off_caller+0x310/0x310
[  665.261027]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  665.265266]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  665.269495]  __run_timers+0x7e5/0xc70
[  665.273302]  ? timer_fixup_init+0x70/0x70
[  665.277506]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  665.282524]  ? zap_class+0x640/0x640
[  665.286244]  ? print_usage_bug+0xc0/0xc0
[  665.290304]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  665.295499]  ? find_held_lock+0x36/0x1c0
[  665.299560]  ? zap_class+0x640/0x640
[  665.303277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.308814]  ? check_preemption_disabled+0x48/0x280
[  665.314023]  ? __lock_is_held+0xb5/0x140
[  665.318078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.323609]  ? check_preemption_disabled+0x48/0x280
[  665.328641]  run_timer_softirq+0x52/0xb0
[  665.332715]  ? rcu_read_lock_sched_held+0x14f/0x180
[  665.337735]  __do_softirq+0x308/0xb7e
[  665.341532]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  665.346037]  ? lock_downgrade+0x900/0x900
[  665.350187]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  665.355291]  ? pvclock_read_flags+0x160/0x160
[  665.359803]  ? lapic_next_event+0x5a/0x90
[  665.363949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.369488]  ? kvm_clock_read+0x18/0x30
[  665.373472]  ? kvm_sched_clock_read+0x9/0x20
[  665.377889]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  665.383430]  ? check_preemption_disabled+0x48/0x280
[  665.388457]  irq_exit+0x17f/0x1c0
[  665.391910]  smp_apic_timer_interrupt+0x1cb/0x760
[  665.396751]  ? smp_reschedule_interrupt+0x109/0x650
[  665.401764]  ? smp_call_function_single_interrupt+0x650/0x650
[  665.407644]  ? interrupt_entry+0xb5/0xc0
[  665.411704]  ? trace_hardirqs_off_caller+0xbb/0x310
[  665.416715]  ? trace_hardirqs_off_caller+0xbb/0x310
[  665.421726]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  665.426566]  ? trace_hardirqs_on_caller+0x310/0x310
[  665.431576]  ? trace_hardirqs_on_caller+0x310/0x310
[  665.436585]  ? task_prio+0x50/0x50
[  665.440231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.445774]  ? check_preemption_disabled+0x48/0x280
[  665.450791]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  665.455657]  apic_timer_interrupt+0xf/0x20
[  665.459880]  </IRQ>
[  665.462148] RIP: 0010:dump_stack+0x358/0x39d
[  665.466566] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  665.485464] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  665.493167] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  665.500433] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  665.507690] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  665.515037] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  665.522297] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  665.529571]  ? dump_stack+0x34f/0x39d
[  665.533409]  ? dump_stack_print_info.cold.1+0x20/0x20
[  665.538621]  ? mark_held_locks+0x130/0x130
[  665.542852]  ? mark_held_locks+0x130/0x130
[  665.547085]  dump_header+0x27b/0xf72
[  665.550807]  ? pagefault_out_of_memory+0x197/0x197
[  665.555739]  ? __lock_acquire+0x62f/0x4c20
[  665.559968]  ? percpu_ref_get_many+0x240/0x240
[  665.564574]  ? print_usage_bug+0xc0/0xc0
[  665.568636]  ? zap_class+0x640/0x640
[  665.572348]  ? print_usage_bug+0xc0/0xc0
[  665.576490]  ? print_usage_bug+0xc0/0xc0
[  665.580548]  ? zap_class+0x640/0x640
[  665.584261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.589791]  ? find_held_lock+0x36/0x1c0
[  665.593856]  ? mark_held_locks+0xc7/0x130
[  665.597997]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  665.603090]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  665.608198]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  665.612861]  ? trace_hardirqs_on+0xbd/0x310
[  665.617179]  ? kasan_check_read+0x11/0x20
[  665.621318]  ? ___ratelimit+0x3b4/0x672
[  665.625288]  ? trace_hardirqs_off_caller+0x310/0x310
[  665.630386]  ? trace_hardirqs_on+0x310/0x310
[  665.634819]  ? lock_downgrade+0x900/0x900
[  665.638965]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  665.644062]  ? ___ratelimit+0x3b9/0x672
[  665.648037]  ? idr_get_free+0xf70/0xf70
[  665.652002]  ? find_held_lock+0x36/0x1c0
[  665.656069]  oom_kill_process.cold.27+0x10/0x903
[  665.660821]  ? zap_class+0x640/0x640
[  665.664533]  ? check_preemption_disabled+0x48/0x280
[  665.669548]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  665.674475]  ? kasan_check_read+0x11/0x20
[  665.678618]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  665.683894]  ? oom_evaluate_task+0x540/0x540
[  665.688300]  ? find_held_lock+0x36/0x1c0
[  665.692365]  ? out_of_memory+0x974/0x1430
[  665.696513]  ? lock_downgrade+0x900/0x900
[  665.700659]  ? check_preemption_disabled+0x48/0x280
[  665.705673]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  665.710603]  ? kasan_check_read+0x11/0x20
[  665.714742]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  665.720024]  ? rcu_softirq_qs+0x20/0x20
[  665.723997]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  665.729529]  ? oom_evaluate_task+0x302/0x540
[  665.733935]  out_of_memory+0xa84/0x1430
[  665.737930]  ? oom_killer_disable+0x3a0/0x3a0
[  665.742431]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  665.747449]  ? __ww_mutex_check_waiters+0x160/0x160
[  665.752476]  __alloc_pages_slowpath+0x232c/0x2de0
[  665.757445]  ? warn_alloc+0x120/0x120
[  665.761240]  ? mark_held_locks+0x130/0x130
[  665.765474]  ? find_get_entry+0xaae/0x1120
[  665.769710]  ? filemap_map_pages+0x1a20/0x1a20
[  665.774292]  ? zap_class+0x640/0x640
[  665.778014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.783546]  ? check_preemption_disabled+0x48/0x280
[  665.788557]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  665.794102]  ? should_fail+0x22d/0xd01
[  665.797991]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  665.803093]  ? zap_class+0x640/0x640
[  665.806821]  ? __lock_is_held+0xb5/0x140
[  665.810904]  ? mark_held_locks+0x130/0x130
[  665.815137]  ? lock_release+0xa00/0xa00
[  665.819109]  ? perf_trace_sched_process_exec+0x860/0x860
[  665.824551]  ? xa_load+0x2ba/0x460
[  665.828092]  ? lock_downgrade+0x900/0x900
[  665.832246]  ? __might_sleep+0x95/0x190
[  665.836235]  __alloc_pages_nodemask+0xad8/0xea0
[  665.840908]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  665.845928]  ? __page_cache_alloc+0x191/0x5c0
[  665.850418]  ? xa_load+0x2e1/0x460
[  665.853963]  ? xa_clear_mark+0x40/0x40
[  665.857848]  ? zap_class+0x640/0x640
[  665.861563]  ? zap_class+0x640/0x640
[  665.865284]  ? zap_class+0x640/0x640
[  665.868993]  ? zap_class+0x640/0x640
[  665.872706]  ? __do_page_cache_readahead+0x663/0x810
[  665.877812]  ? find_held_lock+0x36/0x1c0
[  665.881875]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  665.887418]  alloc_pages_current+0x173/0x350
[  665.891836]  __page_cache_alloc+0x38c/0x5c0
[  665.896148]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  665.901072]  ? kasan_check_read+0x11/0x20
[  665.905214]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  665.910495]  ? generic_perform_write+0x6a0/0x6a0
[  665.915252]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  665.920798]  ? check_preemption_disabled+0x48/0x280
[  665.925817]  filemap_fault+0x1595/0x25f0
[  665.929883]  ? __lock_page_or_retry+0xa00/0xa00
[  665.934567]  ? mark_held_locks+0x130/0x130
[  665.938813]  ? filemap_map_pages+0xd6b/0x1a20
[  665.943305]  ? lock_downgrade+0x900/0x900
[  665.947452]  ? check_preemption_disabled+0x48/0x280
[  665.952478]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  665.957413]  ? kasan_check_read+0x11/0x20
[  665.961654]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  665.966926]  ? rcu_softirq_qs+0x20/0x20
[  665.970908]  ? filemap_map_pages+0xd92/0x1a20
[  665.975412]  ? queue_work_on+0x12c/0x1e0
[  665.979493]  ? find_get_entries_tag+0x1400/0x1400
[  665.984344]  ? debug_object_destroy+0x2b0/0x2b0
[  665.989017]  ? lock_pi_update_atomic+0x150/0x150
[  665.993768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.999312]  ? lock_acquire+0x1ed/0x520
[  666.003281]  ? ext4_filemap_fault+0x7a/0xad
[  666.007603]  ? lock_release+0xa00/0xa00
[  666.011569]  ? perf_trace_sched_process_exec+0x860/0x860
[  666.017015]  ? print_usage_bug+0xc0/0xc0
[  666.021073]  ? print_usage_bug+0xc0/0xc0
[  666.025139]  ? down_read+0x8d/0x120
[  666.028774]  ? ext4_filemap_fault+0x7a/0xad
[  666.033093]  ? __down_interruptible+0x700/0x700
[  666.037773]  ext4_filemap_fault+0x82/0xad
[  666.041920]  __do_fault+0x100/0x6b0
[  666.045543]  ? find_held_lock+0x36/0x1c0
[  666.049605]  ? pmd_devmap_trans_unstable+0x220/0x220
[  666.054728]  ? mark_held_locks+0x130/0x130
[  666.058978]  ? mark_held_locks+0x130/0x130
[  666.063217]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  666.068756]  __handle_mm_fault+0x3ea0/0x5be0
[  666.073158]  ? perf_trace_lock+0x7a0/0x7a0
[  666.077402]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  666.082250]  ? __switch_to_asm+0x34/0x70
[  666.086307]  ? __switch_to_asm+0x34/0x70
[  666.090376]  ? zap_class+0x640/0x640
[  666.094091]  ? zap_class+0x640/0x640
[  666.097795]  ? __x64_sys_futex+0x53e/0x6a0
[  666.102029]  ? find_held_lock+0x36/0x1c0
[  666.106094]  ? handle_mm_fault+0x42a/0xc70
[  666.110332]  ? lock_downgrade+0x900/0x900
[  666.114490]  ? check_preemption_disabled+0x48/0x280
[  666.119503]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  666.124600]  ? kasan_check_read+0x11/0x20
[  666.128772]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  666.134046]  ? rcu_softirq_qs+0x20/0x20
[  666.138018]  ? trace_hardirqs_off_caller+0x310/0x310
[  666.143115]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  666.148654]  ? check_preemption_disabled+0x48/0x280
[  666.153678]  handle_mm_fault+0x54f/0xc70
[  666.157736]  ? __handle_mm_fault+0x5be0/0x5be0
[  666.162316]  ? find_vma+0x34/0x190
[  666.166652]  __do_page_fault+0x5e8/0xe60
[  666.170709]  ? trace_hardirqs_off+0xb8/0x310
[  666.175119]  do_page_fault+0xf2/0x7e0
[  666.178915]  ? vmalloc_sync_all+0x30/0x30
[  666.183057]  ? error_entry+0x70/0xd0
[  666.186769]  ? trace_hardirqs_off_caller+0xbb/0x310
[  666.191777]  ? trace_hardirqs_on_caller+0xc0/0x310
[  666.196704]  ? syscall_return_slowpath+0x5e0/0x5e0
[  666.201637]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  666.206477]  ? trace_hardirqs_on_caller+0x310/0x310
[  666.211485]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  666.216934]  ? prepare_exit_to_usermode+0x291/0x3b0
[  666.221944]  ? page_fault+0x8/0x30
[  666.225483]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  666.230326]  ? page_fault+0x8/0x30
[  666.233862]  page_fault+0x1e/0x30
[  666.237307] RIP: 0033:0x40f9c0
[  666.240512] Code: Bad RIP value.
[  666.243956] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  666.249316] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  666.256576] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  666.263853] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  666.271117] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  666.278391] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  666.285686] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  666.285691] warn_alloc_show_mem: 1 callbacks suppressed
[  666.285698] Mem-Info:
[  666.292968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  666.298332] active_anon:54071 inactive_anon:192 isolated_anon:0
[  666.298332]  active_file:13 inactive_file:14 isolated_file:0
[  666.298332]  unevictable:0 dirty:0 writeback:0 unstable:0
[  666.298332]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  666.298332]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  666.298332]  free:13779 free_pcp:228 free_cma:0
[  666.300699] Call Trace:
[  666.310075] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  666.343359]  <IRQ>
[  666.345934] 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
[  666.373433]  dump_stack+0x244/0x39d
[  666.375547] lowmem_reserve[]: 0 2818 6321 6321
[  666.401648]  ? dump_stack_print_info.cold.1+0x20/0x20
[  666.405246] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  666.409829]  warn_alloc.cold.116+0xb7/0x1bd
[  666.414992] lowmem_reserve[]: 0 0 3503 3503
[  666.442488]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  666.446778] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  666.451092]  ? lock_downgrade+0x900/0x900
[  666.455922] lowmem_reserve[]: 0 0 0 0
[  666.484827]  ? trace_hardirqs_off+0xb8/0x310
[  666.488944] 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
[  666.492739]  ? trace_hardirqs_off+0xb8/0x310
[  666.497114] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  666.510636]  __alloc_pages_slowpath+0x2651/0x2de0
[  666.515022] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  666.530913]  ? warn_alloc+0x120/0x120
[  666.535714] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  666.551307]  ? print_usage_bug+0xc0/0xc0
[  666.555084] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  666.563899]  ? warn_alloc+0x120/0x120
[  666.567936] 271 total pagecache pages
[  666.576497]  ? warn_alloc+0x120/0x120
[  666.580450] 0 pages in swap cache
[  666.584234]  ? print_usage_bug+0xc0/0xc0
[  666.588012] Swap cache stats: add 0, delete 0, find 0/0
[  666.591449]  ? kvm_clock_read+0x18/0x30
[  666.595481] Free swap  = 0kB
[  666.600831]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  666.604767] Total swap = 0kB
[  666.604774] 1965979 pages RAM
[  666.607774]  ? print_usage_bug+0xc0/0xc0
[  666.612773] 0 pages HighMem/MovableOnly
[  666.615783]  ? __lock_acquire+0x62f/0x4c20
[  666.618857] 342854 pages reserved
[  666.618864] 0 pages cma reserved
[  666.622918]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  666.626963] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  666.631082]  ? should_fail+0x22d/0xd01
[  666.634585] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  666.637859]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  666.643385] syz-fuzzer cpuset=/ mems_allowed=0
[  666.649869]  ? __lock_acquire+0x62f/0x4c20
[  666.678117]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  666.683220]  ? __lock_acquire+0x62f/0x4c20
[  666.687447]  ? should_fail+0x22d/0xd01
[  666.691339]  ? mark_held_locks+0x130/0x130
[  666.695614]  ? mark_held_locks+0x130/0x130
[  666.699853]  ? zap_class+0x640/0x640
[  666.703564]  ? print_usage_bug+0xc0/0xc0
[  666.707623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.713177]  ? check_preemption_disabled+0x48/0x280
[  666.718197]  ? __lock_is_held+0xb5/0x140
[  666.722270]  __alloc_pages_nodemask+0xad8/0xea0
[  666.726935]  ? zap_class+0x640/0x640
[  666.730650]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  666.735671]  ? find_held_lock+0x36/0x1c0
[  666.739738]  ? ____cache_alloc_node+0x1c7/0x1e0
[  666.744405]  ? lock_downgrade+0x900/0x900
[  666.748557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.754112]  cache_grow_begin+0xa5/0x8c0
[  666.758260]  ? do_raw_spin_unlock+0xa7/0x330
[  666.762691]  fallback_alloc+0x204/0x2e0
[  666.766669]  ____cache_alloc_node+0x1c7/0x1e0
[  666.771163]  kmem_cache_alloc_node+0xe3/0x730
[  666.775657]  ? ipv6_get_ifaddr+0x42e/0x620
[  666.779898]  __alloc_skb+0x119/0x770
[  666.783617]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  666.788893]  ? netdev_alloc_frag+0x1f0/0x1f0
[  666.793303]  ? lock_downgrade+0x900/0x900
[  666.797453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.802986]  ? refcount_sub_and_test_checked+0x203/0x310
[  666.808438]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  666.813895]  ? addrconf_rs_timer+0x690/0x690
[  666.818314]  ndisc_alloc_skb+0x144/0x340
[  666.822388]  ndisc_send_rs+0x331/0x6e0
[  666.826817]  addrconf_rs_timer+0x314/0x690
[  666.831064]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  666.835303]  call_timer_fn+0x272/0x920
[  666.839190]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  666.843419]  ? process_timeout+0x40/0x40
[  666.847483]  ? __run_timers+0x7da/0xc70
[  666.851461]  ? _raw_spin_unlock_irq+0x27/0x80
[  666.855951]  ? _raw_spin_unlock_irq+0x27/0x80
[  666.860443]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  666.864676]  ? lockdep_hardirqs_on+0x296/0x5b0
[  666.869255]  ? trace_hardirqs_on+0xbd/0x310
[  666.873575]  ? kasan_check_read+0x11/0x20
[  666.877717]  ? __run_timers+0x7da/0xc70
[  666.881686]  ? trace_hardirqs_off_caller+0x310/0x310
[  666.886811]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  666.891043]  __run_timers+0x7e5/0xc70
[  666.894848]  ? timer_fixup_init+0x70/0x70
[  666.898994]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  666.904009]  ? zap_class+0x640/0x640
[  666.907731]  ? enqueue_hrtimer+0x1a5/0x560
[  666.911982]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  666.917181]  ? find_held_lock+0x36/0x1c0
[  666.921246]  ? zap_class+0x640/0x640
[  666.924958]  ? pvclock_read_flags+0x160/0x160
[  666.929465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.935003]  ? check_preemption_disabled+0x48/0x280
[  666.940025]  ? __lock_is_held+0xb5/0x140
[  666.944083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.949616]  ? check_preemption_disabled+0x48/0x280
[  666.954634]  run_timer_softirq+0x52/0xb0
[  666.958709]  ? rcu_read_lock_sched_held+0x14f/0x180
[  666.963722]  __do_softirq+0x308/0xb7e
[  666.967524]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  666.972015]  ? lock_downgrade+0x900/0x900
[  666.976162]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  666.981267]  ? pvclock_read_flags+0x160/0x160
[  666.985757]  ? lapic_next_event+0x5a/0x90
[  666.989917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.995455]  ? kvm_clock_read+0x18/0x30
[  666.999424]  ? kvm_sched_clock_read+0x9/0x20
[  667.003833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.009386]  ? check_preemption_disabled+0x48/0x280
[  667.014410]  irq_exit+0x17f/0x1c0
[  667.017862]  smp_apic_timer_interrupt+0x1cb/0x760
[  667.022702]  ? smp_reschedule_interrupt+0x109/0x650
[  667.027730]  ? smp_call_function_single_interrupt+0x650/0x650
[  667.033613]  ? interrupt_entry+0xb5/0xc0
[  667.037686]  ? trace_hardirqs_off_caller+0xbb/0x310
[  667.042705]  ? trace_hardirqs_off_caller+0xbb/0x310
[  667.047720]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  667.052558]  ? trace_hardirqs_on_caller+0x310/0x310
[  667.057570]  ? trace_hardirqs_on_caller+0x310/0x310
[  667.062586]  ? task_prio+0x50/0x50
[  667.066123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.071660]  ? check_preemption_disabled+0x48/0x280
[  667.076680]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  667.081526]  apic_timer_interrupt+0xf/0x20
[  667.085750]  </IRQ>
[  667.087989] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  667.092921] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  667.111919] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  667.119621] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  667.127002] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  667.134266] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  667.141533] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  667.148807] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  667.156111]  skb_clone+0x1bb/0x500
[  667.159649]  ? finish_task_switch+0x1b4/0x910
[  667.164142]  ? skb_split+0x11e0/0x11e0
[  667.168027]  ? preempt_notifier_register+0x200/0x200
[  667.173127]  ? __switch_to_asm+0x34/0x70
[  667.177187]  ? __switch_to_asm+0x34/0x70
[  667.181242]  ? __switch_to_asm+0x40/0x70
[  667.185298]  ? __switch_to_asm+0x34/0x70
[  667.189363]  ? __switch_to_asm+0x40/0x70
[  667.193419]  ? __switch_to_asm+0x34/0x70
[  667.197475]  ? __switch_to_asm+0x40/0x70
[  667.201528]  ? __switch_to_asm+0x34/0x70
[  667.205582]  ? __switch_to_asm+0x34/0x70
[  667.209647]  ? __switch_to_asm+0x40/0x70
[  667.213703]  ? __switch_to_asm+0x34/0x70
[  667.217762]  bpf_clone_redirect+0xb9/0x490
[  667.221998]  ? __schedule+0x8d7/0x21d0
[  667.225898]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  667.231025]  ? __sched_text_start+0x8/0x8
[  667.235170]  ? retint_kernel+0x2d/0x2d
[  667.239062]  ? find_held_lock+0x36/0x1c0
[  667.243125]  ? lock_acquire+0x1ed/0x520
[  667.247099]  ? bpf_test_run+0x3cb/0x780
[  667.251069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.256605]  ? check_preemption_disabled+0x48/0x280
[  667.261623]  ? kasan_check_read+0x11/0x20
[  667.265768]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  667.271038]  ? rcu_softirq_qs+0x20/0x20
[  667.275013]  ? preempt_schedule+0x4d/0x60
[  667.279172]  ? ___preempt_schedule+0x16/0x18
[  667.283581]  ? bpf_test_run+0x25d/0x780
[  667.287564]  ? netlink_diag_dump+0x2a0/0x2a0
[  667.291969]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  667.297506]  ? bpf_test_init.isra.10+0x70/0x100
[  667.302177]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  667.307042]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  667.311882]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  667.317420]  ? fput+0x130/0x1a0
[  667.320697]  ? __bpf_prog_get+0x9b/0x290
[  667.324758]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  667.329633]  ? bpf_prog_test_run+0x130/0x1a0
[  667.334039]  ? __x64_sys_bpf+0x3db/0x520
[  667.338095]  ? bpf_prog_get+0x20/0x20
[  667.341916]  ? do_syscall_64+0x1b9/0x820
[  667.345987]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  667.351365]  ? syscall_return_slowpath+0x5e0/0x5e0
[  667.356294]  ? trace_hardirqs_on_caller+0x310/0x310
[  667.361305]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  667.366322]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  667.372986]  ? __switch_to_asm+0x40/0x70
[  667.377040]  ? __switch_to_asm+0x34/0x70
[  667.381103]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  667.385950]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  667.391328] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  667.391419] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  667.398346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  667.398359] Call Trace:
[  667.398365]  <IRQ>
[  667.398384]  dump_stack+0x244/0x39d
[  667.398409]  ? dump_stack_print_info.cold.1+0x20/0x20
[  667.404959] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  667.414228]  warn_alloc.cold.116+0xb7/0x1bd
[  667.416778] syz-executor5 cpuset=syz5 mems_allowed=0
[  667.418920]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  667.452426]  ? lock_downgrade+0x900/0x900
[  667.456577]  ? trace_hardirqs_off+0xb8/0x310
[  667.460986]  ? trace_hardirqs_off+0xb8/0x310
[  667.465405]  __alloc_pages_slowpath+0x2651/0x2de0
[  667.470270]  ? warn_alloc+0x120/0x120
[  667.474068]  ? print_usage_bug+0xc0/0xc0
[  667.478126]  ? warn_alloc+0x120/0x120
[  667.481927]  ? warn_alloc+0x120/0x120
[  667.485726]  ? print_usage_bug+0xc0/0xc0
[  667.489786]  ? kvm_clock_read+0x18/0x30
[  667.493757]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  667.498769]  ? print_usage_bug+0xc0/0xc0
[  667.502827]  ? __lock_acquire+0x62f/0x4c20
[  667.507060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  667.512590]  ? should_fail+0x22d/0xd01
[  667.516473]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  667.521748]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  667.526847]  ? __lock_acquire+0x62f/0x4c20
[  667.531080]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  667.536176]  ? __lock_acquire+0x62f/0x4c20
[  667.540416]  ? should_fail+0x22d/0xd01
[  667.544305]  ? rcu_irq_exit+0x1a2/0x390
[  667.548295]  ? mark_held_locks+0x130/0x130
[  667.552530]  ? mark_held_locks+0x130/0x130
[  667.556765]  ? mark_held_locks+0xc7/0x130
[  667.560913]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  667.566040]  ? zap_class+0x640/0x640
[  667.569749]  ? print_usage_bug+0xc0/0xc0
[  667.573812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.579362]  ? check_preemption_disabled+0x48/0x280
[  667.584398]  ? __lock_is_held+0xb5/0x140
[  667.588463]  __alloc_pages_nodemask+0xad8/0xea0
[  667.593126]  ? zap_class+0x640/0x640
[  667.596850]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  667.601880]  ? find_held_lock+0x36/0x1c0
[  667.605952]  ? ____cache_alloc_node+0x1c7/0x1e0
[  667.610622]  ? lock_downgrade+0x900/0x900
[  667.614774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.620311]  cache_grow_begin+0xa5/0x8c0
[  667.624377]  ? do_raw_spin_unlock+0xa7/0x330
[  667.628792]  fallback_alloc+0x204/0x2e0
[  667.632765]  ____cache_alloc_node+0x1c7/0x1e0
[  667.637258]  kmem_cache_alloc_node+0xe3/0x730
[  667.641749]  ? ipv6_get_ifaddr+0x42e/0x620
[  667.646014]  __alloc_skb+0x119/0x770
[  667.649720]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  667.654998]  ? netdev_alloc_frag+0x1f0/0x1f0
[  667.659408]  ? lock_downgrade+0x900/0x900
[  667.663559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.669094]  ? refcount_sub_and_test_checked+0x203/0x310
[  667.674543]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  667.679989]  ? addrconf_rs_timer+0x690/0x690
[  667.684409]  ndisc_alloc_skb+0x144/0x340
[  667.688467]  ndisc_send_rs+0x331/0x6e0
[  667.692387]  addrconf_rs_timer+0x314/0x690
[  667.696626]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  667.700876]  call_timer_fn+0x272/0x920
[  667.704771]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  667.709000]  ? process_timeout+0x40/0x40
[  667.713064]  ? mark_held_locks+0xc7/0x130
[  667.717213]  ? _raw_spin_unlock_irq+0x27/0x80
[  667.721706]  ? _raw_spin_unlock_irq+0x27/0x80
[  667.726195]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  667.730430]  ? lockdep_hardirqs_on+0x296/0x5b0
[  667.735008]  ? trace_hardirqs_on+0xbd/0x310
[  667.739321]  ? kasan_check_read+0x11/0x20
[  667.743466]  ? __run_timers+0x7da/0xc70
[  667.747438]  ? trace_hardirqs_off_caller+0x310/0x310
[  667.752542]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  667.756775]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  667.761004]  __run_timers+0x7e5/0xc70
[  667.764825]  ? timer_fixup_init+0x70/0x70
[  667.768986]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  667.773999]  ? zap_class+0x640/0x640
[  667.777715]  ? print_usage_bug+0xc0/0xc0
[  667.781771]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  667.786961]  ? find_held_lock+0x36/0x1c0
[  667.791019]  ? zap_class+0x640/0x640
[  667.794745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.800276]  ? check_preemption_disabled+0x48/0x280
[  667.805296]  ? __lock_is_held+0xb5/0x140
[  667.809382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.814915]  ? check_preemption_disabled+0x48/0x280
[  667.819930]  run_timer_softirq+0x52/0xb0
[  667.823989]  ? rcu_read_lock_sched_held+0x14f/0x180
[  667.828998]  __do_softirq+0x308/0xb7e
[  667.832793]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  667.837294]  ? lock_downgrade+0x900/0x900
[  667.841615]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  667.846726]  ? pvclock_read_flags+0x160/0x160
[  667.851223]  ? lapic_next_event+0x5a/0x90
[  667.855397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.860950]  ? kvm_clock_read+0x18/0x30
[  667.864922]  ? kvm_sched_clock_read+0x9/0x20
[  667.869327]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  667.874870]  ? check_preemption_disabled+0x48/0x280
[  667.879896]  irq_exit+0x17f/0x1c0
[  667.883357]  smp_apic_timer_interrupt+0x1cb/0x760
[  667.888219]  ? smp_reschedule_interrupt+0x109/0x650
[  667.893234]  ? smp_call_function_single_interrupt+0x650/0x650
[  667.899110]  ? interrupt_entry+0xb5/0xc0
[  667.903168]  ? trace_hardirqs_off_caller+0xbb/0x310
[  667.908177]  ? trace_hardirqs_off_caller+0xbb/0x310
[  667.913189]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  667.918027]  ? trace_hardirqs_on_caller+0x310/0x310
[  667.923044]  ? trace_hardirqs_on_caller+0x310/0x310
[  667.928059]  ? task_prio+0x50/0x50
[  667.931595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.937131]  ? check_preemption_disabled+0x48/0x280
[  667.942146]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  667.946993]  apic_timer_interrupt+0xf/0x20
[  667.951227]  </IRQ>
[  667.953461] RIP: 0010:dump_stack+0x358/0x39d
[  667.957866] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  667.976763] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  667.984466] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  667.991732] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  667.998996] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  668.006262] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  668.013527] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  668.020813]  ? dump_stack+0x34f/0x39d
[  668.024627]  ? dump_stack_print_info.cold.1+0x20/0x20
[  668.029833]  ? mark_held_locks+0x130/0x130
[  668.034062]  ? mark_held_locks+0x130/0x130
[  668.038315]  dump_header+0x27b/0xf72
[  668.042043]  ? pagefault_out_of_memory+0x197/0x197
[  668.046974]  ? __lock_acquire+0x62f/0x4c20
[  668.051207]  ? percpu_ref_get_many+0x240/0x240
[  668.055786]  ? print_usage_bug+0xc0/0xc0
[  668.059857]  ? zap_class+0x640/0x640
[  668.063571]  ? print_usage_bug+0xc0/0xc0
[  668.067631]  ? print_usage_bug+0xc0/0xc0
[  668.071688]  ? zap_class+0x640/0x640
[  668.075405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.080956]  ? find_held_lock+0x36/0x1c0
[  668.085022]  ? mark_held_locks+0xc7/0x130
[  668.089187]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  668.094285]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  668.099390]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  668.103971]  ? trace_hardirqs_on+0xbd/0x310
[  668.108310]  ? kasan_check_read+0x11/0x20
[  668.112459]  ? ___ratelimit+0x3b4/0x672
[  668.116430]  ? trace_hardirqs_off_caller+0x310/0x310
[  668.121532]  ? trace_hardirqs_on+0x310/0x310
[  668.125937]  ? lock_downgrade+0x900/0x900
[  668.130087]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  668.135185]  ? ___ratelimit+0x3b9/0x672
[  668.139154]  ? idr_get_free+0xf70/0xf70
[  668.143123]  ? find_held_lock+0x36/0x1c0
[  668.147211]  oom_kill_process.cold.27+0x10/0x903
[  668.151958]  ? zap_class+0x640/0x640
[  668.155687]  ? check_preemption_disabled+0x48/0x280
[  668.160699]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  668.165628]  ? kasan_check_read+0x11/0x20
[  668.169773]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  668.175046]  ? oom_evaluate_task+0x540/0x540
[  668.179456]  ? find_held_lock+0x36/0x1c0
[  668.183780]  ? out_of_memory+0x974/0x1430
[  668.187925]  ? lock_downgrade+0x900/0x900
[  668.192071]  ? check_preemption_disabled+0x48/0x280
[  668.197083]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  668.202010]  ? kasan_check_read+0x11/0x20
[  668.206152]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  668.211424]  ? rcu_softirq_qs+0x20/0x20
[  668.215400]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  668.220938]  ? oom_evaluate_task+0x302/0x540
[  668.225437]  out_of_memory+0xa84/0x1430
[  668.229420]  ? oom_killer_disable+0x3a0/0x3a0
[  668.233915]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  668.238846]  ? __ww_mutex_check_waiters+0x160/0x160
[  668.243954]  __alloc_pages_slowpath+0x232c/0x2de0
[  668.248907]  ? warn_alloc+0x120/0x120
[  668.252706]  ? mark_held_locks+0x130/0x130
[  668.256944]  ? find_get_entry+0xaae/0x1120
[  668.261183]  ? filemap_map_pages+0x1a20/0x1a20
[  668.265765]  ? zap_class+0x640/0x640
[  668.269481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.275014]  ? check_preemption_disabled+0x48/0x280
[  668.280024]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  668.285556]  ? should_fail+0x22d/0xd01
[  668.289443]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  668.294542]  ? zap_class+0x640/0x640
[  668.298273]  ? __lock_is_held+0xb5/0x140
[  668.302350]  ? mark_held_locks+0x130/0x130
[  668.306591]  ? lock_release+0xa00/0xa00
[  668.310562]  ? perf_trace_sched_process_exec+0x860/0x860
[  668.316005]  ? xa_load+0x2ba/0x460
[  668.319542]  ? lock_downgrade+0x900/0x900
[  668.323692]  ? __might_sleep+0x95/0x190
[  668.327668]  __alloc_pages_nodemask+0xad8/0xea0
[  668.332345]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  668.337371]  ? __page_cache_alloc+0x191/0x5c0
[  668.341864]  ? xa_load+0x2e1/0x460
[  668.345402]  ? xa_clear_mark+0x40/0x40
[  668.349288]  ? zap_class+0x640/0x640
[  668.353015]  ? zap_class+0x640/0x640
[  668.356732]  ? zap_class+0x640/0x640
[  668.360442]  ? zap_class+0x640/0x640
[  668.364152]  ? __do_page_cache_readahead+0x663/0x810
[  668.369256]  ? find_held_lock+0x36/0x1c0
[  668.373321]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  668.378867]  alloc_pages_current+0x173/0x350
[  668.383282]  __page_cache_alloc+0x38c/0x5c0
[  668.387600]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  668.392525]  ? kasan_check_read+0x11/0x20
[  668.396684]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  668.401974]  ? generic_perform_write+0x6a0/0x6a0
[  668.406726]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  668.412261]  ? check_preemption_disabled+0x48/0x280
[  668.417280]  filemap_fault+0x1595/0x25f0
[  668.421353]  ? __lock_page_or_retry+0xa00/0xa00
[  668.426023]  ? mark_held_locks+0x130/0x130
[  668.430283]  ? filemap_map_pages+0xd6b/0x1a20
[  668.434777]  ? lock_downgrade+0x900/0x900
[  668.438921]  ? check_preemption_disabled+0x48/0x280
[  668.443937]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  668.448857]  ? kasan_check_read+0x11/0x20
[  668.453002]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  668.458274]  ? rcu_softirq_qs+0x20/0x20
[  668.462257]  ? filemap_map_pages+0xd92/0x1a20
[  668.466787]  ? queue_work_on+0x12c/0x1e0
[  668.470850]  ? find_get_entries_tag+0x1400/0x1400
[  668.475688]  ? debug_object_destroy+0x2b0/0x2b0
[  668.480367]  ? lock_pi_update_atomic+0x150/0x150
[  668.485134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.490679]  ? lock_acquire+0x1ed/0x520
[  668.494648]  ? ext4_filemap_fault+0x7a/0xad
[  668.498970]  ? lock_release+0xa00/0xa00
[  668.502942]  ? perf_trace_sched_process_exec+0x860/0x860
[  668.508402]  ? print_usage_bug+0xc0/0xc0
[  668.512466]  ? print_usage_bug+0xc0/0xc0
[  668.516534]  ? down_read+0x8d/0x120
[  668.520153]  ? ext4_filemap_fault+0x7a/0xad
[  668.524472]  ? __down_interruptible+0x700/0x700
[  668.529143]  ext4_filemap_fault+0x82/0xad
[  668.533288]  __do_fault+0x100/0x6b0
[  668.536910]  ? find_held_lock+0x36/0x1c0
[  668.540980]  ? pmd_devmap_trans_unstable+0x220/0x220
[  668.546083]  ? mark_held_locks+0x130/0x130
[  668.550313]  ? mark_held_locks+0x130/0x130
[  668.554564]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  668.560116]  __handle_mm_fault+0x3ea0/0x5be0
[  668.564520]  ? perf_trace_lock+0x7a0/0x7a0
[  668.568755]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  668.573597]  ? __switch_to_asm+0x34/0x70
[  668.577658]  ? __switch_to_asm+0x34/0x70
[  668.581750]  ? zap_class+0x640/0x640
[  668.585460]  ? zap_class+0x640/0x640
[  668.589165]  ? __x64_sys_futex+0x53e/0x6a0
[  668.593401]  ? find_held_lock+0x36/0x1c0
[  668.597471]  ? handle_mm_fault+0x42a/0xc70
[  668.601713]  ? lock_downgrade+0x900/0x900
[  668.605855]  ? check_preemption_disabled+0x48/0x280
[  668.610873]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  668.615797]  ? kasan_check_read+0x11/0x20
[  668.619940]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  668.625209]  ? rcu_softirq_qs+0x20/0x20
[  668.629180]  ? trace_hardirqs_off_caller+0x310/0x310
[  668.634283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  668.639817]  ? check_preemption_disabled+0x48/0x280
[  668.644846]  handle_mm_fault+0x54f/0xc70
[  668.648908]  ? __handle_mm_fault+0x5be0/0x5be0
[  668.653494]  ? find_vma+0x34/0x190
[  668.657530]  __do_page_fault+0x5e8/0xe60
[  668.661591]  ? trace_hardirqs_off+0xb8/0x310
[  668.666007]  do_page_fault+0xf2/0x7e0
[  668.669802]  ? vmalloc_sync_all+0x30/0x30
[  668.673950]  ? error_entry+0x70/0xd0
[  668.677658]  ? trace_hardirqs_off_caller+0xbb/0x310
[  668.682669]  ? trace_hardirqs_on_caller+0xc0/0x310
[  668.687599]  ? syscall_return_slowpath+0x5e0/0x5e0
[  668.692524]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  668.697371]  ? trace_hardirqs_on_caller+0x310/0x310
[  668.702387]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  668.707859]  ? prepare_exit_to_usermode+0x291/0x3b0
[  668.712875]  ? page_fault+0x8/0x30
[  668.716412]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  668.721257]  ? page_fault+0x8/0x30
[  668.724796]  page_fault+0x1e/0x30
[  668.728243] RIP: 0033:0x40f9c0
[  668.731446] Code: Bad RIP value.
[  668.734805] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  668.740178] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  668.747445] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  668.754709] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  668.761972] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  668.769235] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  668.776525] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  668.776529] warn_alloc_show_mem: 1 callbacks suppressed
[  668.776535] Mem-Info:
[  668.783800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  668.789161] active_anon:54071 inactive_anon:192 isolated_anon:0
[  668.789161]  active_file:13 inactive_file:14 isolated_file:0
[  668.789161]  unevictable:0 dirty:0 writeback:0 unstable:0
[  668.789161]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  668.789161]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  668.789161]  free:13779 free_pcp:228 free_cma:0
[  668.791527] Call Trace:
[  668.800879] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  668.800905] 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
[  668.834297]  <IRQ>
[  668.836873] lowmem_reserve[]: 0 2818 6321 6321
[  668.864388]  dump_stack+0x244/0x39d
[  668.890458] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  668.892605]  ? dump_stack_print_info.cold.1+0x20/0x20
[  668.897144] lowmem_reserve[]: 0 0 3503 3503
[  668.900774]  warn_alloc.cold.116+0xb7/0x1bd
[  668.928236] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  668.933417]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  668.937703] lowmem_reserve[]: 0 0 0 0
[  668.942023]  ? lock_downgrade+0x900/0x900
[  668.970881] 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
[  668.975725]  ? trace_hardirqs_off+0xb8/0x310
[  668.979493] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  668.983637]  ? trace_hardirqs_off+0xb8/0x310
[  668.997216] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  669.001630]  __alloc_pages_slowpath+0x2651/0x2de0
[  669.017480] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  669.021895]  ? warn_alloc+0x120/0x120
[  669.037460] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  669.042285]  ? print_usage_bug+0xc0/0xc0
[  669.051092] 271 total pagecache pages
[  669.054879]  ? warn_alloc+0x120/0x120
[  669.063439] 0 pages in swap cache
[  669.067489]  ? warn_alloc+0x120/0x120
[  669.071263] Swap cache stats: add 0, delete 0, find 0/0
[  669.075047]  ? print_usage_bug+0xc0/0xc0
[  669.078471] Free swap  = 0kB
[  669.082262]  ? kvm_clock_read+0x18/0x30
[  669.087590] Total swap = 0kB
[  669.087598] 1965979 pages RAM
[  669.091666]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  669.094647] 0 pages HighMem/MovableOnly
[  669.094655] 342854 pages reserved
[  669.098614]  ? print_usage_bug+0xc0/0xc0
[  669.101603] 0 pages cma reserved
[  669.104697]  ? __lock_acquire+0x62f/0x4c20
[  669.109750] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  669.113645]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  669.113659]  ? should_fail+0x22d/0xd01
[  669.113675]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  669.117200] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  669.121146]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  669.121162]  ? __lock_acquire+0x62f/0x4c20
[  669.124702] syz-fuzzer cpuset=/ mems_allowed=0
[  669.128930]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  669.179282]  ? __lock_acquire+0x62f/0x4c20
[  669.183518]  ? should_fail+0x22d/0xd01
[  669.187409]  ? rcu_irq_exit+0x1a2/0x390
[  669.191389]  ? mark_held_locks+0x130/0x130
[  669.195624]  ? mark_held_locks+0x130/0x130
[  669.199866]  ? mark_held_locks+0xc7/0x130
[  669.204015]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  669.209026]  ? zap_class+0x640/0x640
[  669.212738]  ? print_usage_bug+0xc0/0xc0
[  669.216805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.222349]  ? check_preemption_disabled+0x48/0x280
[  669.227374]  ? __lock_is_held+0xb5/0x140
[  669.231441]  __alloc_pages_nodemask+0xad8/0xea0
[  669.236106]  ? zap_class+0x640/0x640
[  669.239820]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  669.244853]  ? find_held_lock+0x36/0x1c0
[  669.248920]  ? ____cache_alloc_node+0x1c7/0x1e0
[  669.253598]  ? lock_downgrade+0x900/0x900
[  669.257751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.263289]  cache_grow_begin+0xa5/0x8c0
[  669.267354]  ? do_raw_spin_unlock+0xa7/0x330
[  669.271768]  fallback_alloc+0x204/0x2e0
[  669.275743]  ____cache_alloc_node+0x1c7/0x1e0
[  669.280264]  kmem_cache_alloc_node+0xe3/0x730
[  669.284758]  ? ipv6_get_ifaddr+0x42e/0x620
[  669.289007]  __alloc_skb+0x119/0x770
[  669.292717]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  669.298005]  ? netdev_alloc_frag+0x1f0/0x1f0
[  669.302409]  ? lock_downgrade+0x900/0x900
[  669.306568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.312100]  ? refcount_sub_and_test_checked+0x203/0x310
[  669.317553]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  669.323174]  ? addrconf_rs_timer+0x690/0x690
[  669.327591]  ndisc_alloc_skb+0x144/0x340
[  669.331655]  ndisc_send_rs+0x331/0x6e0
[  669.335544]  addrconf_rs_timer+0x314/0x690
[  669.339782]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  669.344019]  call_timer_fn+0x272/0x920
[  669.347901]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  669.352133]  ? process_timeout+0x40/0x40
[  669.356196]  ? __run_timers+0x7da/0xc70
[  669.360170]  ? _raw_spin_unlock_irq+0x27/0x80
[  669.364658]  ? _raw_spin_unlock_irq+0x27/0x80
[  669.369152]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  669.373387]  ? lockdep_hardirqs_on+0x296/0x5b0
[  669.377982]  ? trace_hardirqs_on+0xbd/0x310
[  669.382298]  ? kasan_check_read+0x11/0x20
[  669.386448]  ? __run_timers+0x7da/0xc70
[  669.390432]  ? trace_hardirqs_off_caller+0x310/0x310
[  669.395642]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  669.399876]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  669.404117]  __run_timers+0x7e5/0xc70
[  669.407938]  ? timer_fixup_init+0x70/0x70
[  669.412082]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  669.417098]  ? zap_class+0x640/0x640
[  669.420811]  ? enqueue_hrtimer+0x1a5/0x560
[  669.425049]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  669.430241]  ? find_held_lock+0x36/0x1c0
[  669.434303]  ? zap_class+0x640/0x640
[  669.438022]  ? pvclock_read_flags+0x160/0x160
[  669.442772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.448312]  ? check_preemption_disabled+0x48/0x280
[  669.453351]  ? __lock_is_held+0xb5/0x140
[  669.457404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.462934]  ? check_preemption_disabled+0x48/0x280
[  669.467950]  run_timer_softirq+0x52/0xb0
[  669.472008]  ? rcu_read_lock_sched_held+0x14f/0x180
[  669.477025]  __do_softirq+0x308/0xb7e
[  669.480823]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  669.485325]  ? lock_downgrade+0x900/0x900
[  669.489478]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  669.494604]  ? pvclock_read_flags+0x160/0x160
[  669.499117]  ? lapic_next_event+0x5a/0x90
[  669.503262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.508801]  ? kvm_clock_read+0x18/0x30
[  669.512770]  ? kvm_sched_clock_read+0x9/0x20
[  669.517174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.522706]  ? check_preemption_disabled+0x48/0x280
[  669.527729]  irq_exit+0x17f/0x1c0
[  669.531178]  smp_apic_timer_interrupt+0x1cb/0x760
[  669.536030]  ? smp_reschedule_interrupt+0x109/0x650
[  669.541040]  ? smp_call_function_single_interrupt+0x650/0x650
[  669.546917]  ? interrupt_entry+0xb5/0xc0
[  669.550984]  ? trace_hardirqs_off_caller+0xbb/0x310
[  669.555994]  ? trace_hardirqs_off_caller+0xbb/0x310
[  669.561007]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  669.565854]  ? trace_hardirqs_on_caller+0x310/0x310
[  669.570868]  ? trace_hardirqs_on_caller+0x310/0x310
[  669.575879]  ? task_prio+0x50/0x50
[  669.579415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.584947]  ? check_preemption_disabled+0x48/0x280
[  669.589966]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  669.594814]  apic_timer_interrupt+0xf/0x20
[  669.599038]  </IRQ>
[  669.601286] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  669.606310] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  669.625218] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  669.632920] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  669.640185] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  669.647448] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  669.654712] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  669.661975] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  669.669272]  skb_clone+0x1bb/0x500
[  669.672818]  ? finish_task_switch+0x1b4/0x910
[  669.677320]  ? skb_split+0x11e0/0x11e0
[  669.681206]  ? preempt_notifier_register+0x200/0x200
[  669.686312]  ? __switch_to_asm+0x34/0x70
[  669.690368]  ? __switch_to_asm+0x34/0x70
[  669.694437]  ? __switch_to_asm+0x40/0x70
[  669.698493]  ? __switch_to_asm+0x34/0x70
[  669.702557]  ? __switch_to_asm+0x40/0x70
[  669.706616]  ? __switch_to_asm+0x34/0x70
[  669.710693]  ? __switch_to_asm+0x40/0x70
[  669.714771]  ? __switch_to_asm+0x34/0x70
[  669.718830]  ? __switch_to_asm+0x34/0x70
[  669.722888]  ? __switch_to_asm+0x40/0x70
[  669.726955]  ? __switch_to_asm+0x34/0x70
[  669.731015]  bpf_clone_redirect+0xb9/0x490
[  669.735260]  ? __schedule+0x8d7/0x21d0
[  669.739154]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  669.744177]  ? __sched_text_start+0x8/0x8
[  669.748325]  ? retint_kernel+0x2d/0x2d
[  669.752218]  ? find_held_lock+0x36/0x1c0
[  669.756295]  ? lock_acquire+0x1ed/0x520
[  669.760277]  ? bpf_test_run+0x3cb/0x780
[  669.764256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.769789]  ? check_preemption_disabled+0x48/0x280
[  669.774805]  ? kasan_check_read+0x11/0x20
[  669.778953]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  669.784333]  ? rcu_softirq_qs+0x20/0x20
[  669.788308]  ? preempt_schedule+0x4d/0x60
[  669.792449]  ? ___preempt_schedule+0x16/0x18
[  669.796863]  ? bpf_test_run+0x25d/0x780
[  669.800850]  ? netlink_diag_dump+0x2a0/0x2a0
[  669.805254]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  669.810783]  ? bpf_test_init.isra.10+0x70/0x100
[  669.815538]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  669.820304]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  669.825156]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  669.830696]  ? fput+0x130/0x1a0
[  669.833998]  ? __bpf_prog_get+0x9b/0x290
[  669.838146]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  669.843004]  ? bpf_prog_test_run+0x130/0x1a0
[  669.847409]  ? __x64_sys_bpf+0x3db/0x520
[  669.851461]  ? bpf_prog_get+0x20/0x20
[  669.855304]  ? do_syscall_64+0x1b9/0x820
[  669.859367]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  669.864814]  ? syscall_return_slowpath+0x5e0/0x5e0
[  669.869743]  ? trace_hardirqs_on_caller+0x310/0x310
[  669.874755]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  669.879792]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  669.886450]  ? __switch_to_asm+0x40/0x70
[  669.890502]  ? __switch_to_asm+0x34/0x70
[  669.894564]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  669.899425]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  669.904816] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  669.904904] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  669.911828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  669.911833] Call Trace:
[  669.911840]  <IRQ>
[  669.911858]  dump_stack+0x244/0x39d
[  669.911880]  ? dump_stack_print_info.cold.1+0x20/0x20
[  669.918408] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  669.927720]  warn_alloc.cold.116+0xb7/0x1bd
[  669.930267] syz-executor5 cpuset=syz5 mems_allowed=0
[  669.932407]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  669.965883]  ? lock_downgrade+0x900/0x900
[  669.970032]  ? trace_hardirqs_off+0xb8/0x310
[  669.974441]  ? trace_hardirqs_off+0xb8/0x310
[  669.978853]  __alloc_pages_slowpath+0x2651/0x2de0
[  669.983729]  ? warn_alloc+0x120/0x120
[  669.987533]  ? warn_alloc+0x120/0x120
[  669.991339]  ? warn_alloc+0x120/0x120
[  669.995146]  ? print_usage_bug+0xc0/0xc0
[  669.999201]  ? print_usage_bug+0xc0/0xc0
[  670.003260]  ? print_usage_bug+0xc0/0xc0
[  670.007348]  ? print_usage_bug+0xc0/0xc0
[  670.011410]  ? print_usage_bug+0xc0/0xc0
[  670.015475]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  670.021008]  ? should_fail+0x22d/0xd01
[  670.024906]  ? print_usage_bug+0xc0/0xc0
[  670.028967]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  670.034082]  ? __lock_acquire+0x62f/0x4c20
[  670.038319]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  670.043419]  ? should_fail+0x22d/0xd01
[  670.047309]  ? __lock_acquire+0x62f/0x4c20
[  670.051570]  ? mark_held_locks+0x130/0x130
[  670.055805]  ? mark_held_locks+0x130/0x130
[  670.060035]  ? mark_held_locks+0x130/0x130
[  670.064272]  ? zap_class+0x640/0x640
[  670.067988]  ? mark_held_locks+0x130/0x130
[  670.072216]  ? zap_class+0x640/0x640
[  670.075929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.081465]  ? check_preemption_disabled+0x48/0x280
[  670.086486]  ? __lock_is_held+0xb5/0x140
[  670.090548]  __alloc_pages_nodemask+0xad8/0xea0
[  670.095210]  ? zap_class+0x640/0x640
[  670.098933]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  670.103953]  ? find_held_lock+0x36/0x1c0
[  670.108019]  ? ____cache_alloc_node+0x1c7/0x1e0
[  670.112683]  ? lock_downgrade+0x900/0x900
[  670.116833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.122372]  cache_grow_begin+0xa5/0x8c0
[  670.126430]  ? do_raw_spin_unlock+0xa7/0x330
[  670.130842]  fallback_alloc+0x204/0x2e0
[  670.134818]  ____cache_alloc_node+0x1c7/0x1e0
[  670.139327]  kmem_cache_alloc_node+0xe3/0x730
[  670.143818]  ? lockdep_hardirqs_on+0x296/0x5b0
[  670.148407]  __alloc_skb+0x119/0x770
[  670.152121]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  670.157497]  ? netdev_alloc_frag+0x1f0/0x1f0
[  670.161910]  ? lock_acquire+0x1ed/0x520
[  670.165884]  ? aoecmd_cfg+0x108/0x7f0
[  670.169686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.175223]  ? check_preemption_disabled+0x48/0x280
[  670.180238]  ? kasan_check_read+0x11/0x20
[  670.184389]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  670.189669]  ? rcu_softirq_qs+0x20/0x20
[  670.193647]  ? do_raw_spin_trylock+0x270/0x270
[  670.198228]  new_skb+0x26/0x1c0
[  670.201508]  aoecmd_cfg+0x279/0x7f0
[  670.205134]  ? find_held_lock+0x36/0x1c0
[  670.209195]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  670.213516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.219053]  ? check_preemption_disabled+0x48/0x280
[  670.224074]  ? __lock_is_held+0xb5/0x140
[  670.228141]  discover_timer+0x50/0x60
[  670.231936]  call_timer_fn+0x272/0x920
[  670.235817]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  670.240796]  ? process_timeout+0x40/0x40
[  670.244869]  ? mark_held_locks+0xc7/0x130
[  670.249017]  ? _raw_spin_unlock_irq+0x27/0x80
[  670.253504]  ? _raw_spin_unlock_irq+0x27/0x80
[  670.258009]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  670.262852]  ? lockdep_hardirqs_on+0x296/0x5b0
[  670.267431]  ? trace_hardirqs_on+0xbd/0x310
[  670.271751]  ? kasan_check_read+0x11/0x20
[  670.275895]  ? __run_timers+0x7da/0xc70
[  670.279865]  ? trace_hardirqs_off_caller+0x310/0x310
[  670.284977]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  670.289811]  __run_timers+0x7e5/0xc70
[  670.293701]  ? timer_fixup_init+0x70/0x70
[  670.297844]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  670.302860]  ? zap_class+0x640/0x640
[  670.306600]  ? print_usage_bug+0xc0/0xc0
[  670.310661]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  670.315853]  ? find_held_lock+0x36/0x1c0
[  670.319918]  ? zap_class+0x640/0x640
[  670.323635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.329171]  ? check_preemption_disabled+0x48/0x280
[  670.334192]  ? __lock_is_held+0xb5/0x140
[  670.338251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.343783]  ? check_preemption_disabled+0x48/0x280
[  670.348800]  run_timer_softirq+0x52/0xb0
[  670.352856]  ? rcu_read_lock_sched_held+0x14f/0x180
[  670.357888]  __do_softirq+0x308/0xb7e
[  670.361687]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  670.366178]  ? lock_downgrade+0x900/0x900
[  670.370442]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  670.375579]  ? pvclock_read_flags+0x160/0x160
[  670.380089]  ? lapic_next_event+0x5a/0x90
[  670.384235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.389773]  ? kvm_clock_read+0x18/0x30
[  670.393754]  ? kvm_sched_clock_read+0x9/0x20
[  670.398162]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  670.403695]  ? check_preemption_disabled+0x48/0x280
[  670.408717]  irq_exit+0x17f/0x1c0
[  670.412172]  smp_apic_timer_interrupt+0x1cb/0x760
[  670.417013]  ? smp_reschedule_interrupt+0x109/0x650
[  670.422025]  ? smp_call_function_single_interrupt+0x650/0x650
[  670.427904]  ? interrupt_entry+0xb5/0xc0
[  670.431961]  ? trace_hardirqs_off_caller+0xbb/0x310
[  670.436972]  ? trace_hardirqs_off_caller+0xbb/0x310
[  670.441988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  670.446832]  ? trace_hardirqs_on_caller+0x310/0x310
[  670.451858]  ? trace_hardirqs_on_caller+0x310/0x310
[  670.456902]  ? task_prio+0x50/0x50
[  670.460450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.465984]  ? check_preemption_disabled+0x48/0x280
[  670.471004]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  670.475853]  apic_timer_interrupt+0xf/0x20
[  670.480077]  </IRQ>
[  670.482323] RIP: 0010:dump_stack+0x358/0x39d
[  670.486732] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  670.505627] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  670.513346] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  670.520612] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  670.527877] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  670.535229] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  670.542493] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  670.549771]  ? dump_stack+0x34f/0x39d
[  670.553580]  ? dump_stack_print_info.cold.1+0x20/0x20
[  670.558773]  ? mark_held_locks+0x130/0x130
[  670.563002]  ? mark_held_locks+0x130/0x130
[  670.567236]  dump_header+0x27b/0xf72
[  670.570958]  ? pagefault_out_of_memory+0x197/0x197
[  670.575893]  ? __lock_acquire+0x62f/0x4c20
[  670.580144]  ? percpu_ref_get_many+0x240/0x240
[  670.584741]  ? print_usage_bug+0xc0/0xc0
[  670.588807]  ? zap_class+0x640/0x640
[  670.592521]  ? print_usage_bug+0xc0/0xc0
[  670.596581]  ? print_usage_bug+0xc0/0xc0
[  670.600642]  ? zap_class+0x640/0x640
[  670.604359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.609900]  ? find_held_lock+0x36/0x1c0
[  670.613965]  ? mark_held_locks+0xc7/0x130
[  670.618115]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  670.623212]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  670.628325]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  670.632990]  ? trace_hardirqs_on+0xbd/0x310
[  670.637307]  ? kasan_check_read+0x11/0x20
[  670.641454]  ? ___ratelimit+0x3b4/0x672
[  670.645445]  ? trace_hardirqs_off_caller+0x310/0x310
[  670.650545]  ? trace_hardirqs_on+0x310/0x310
[  670.655179]  ? lock_downgrade+0x900/0x900
[  670.659333]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  670.664432]  ? ___ratelimit+0x3b9/0x672
[  670.668403]  ? idr_get_free+0xf70/0xf70
[  670.672379]  ? find_held_lock+0x36/0x1c0
[  670.676447]  oom_kill_process.cold.27+0x10/0x903
[  670.681200]  ? zap_class+0x640/0x640
[  670.684913]  ? check_preemption_disabled+0x48/0x280
[  670.689934]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  670.694858]  ? kasan_check_read+0x11/0x20
[  670.699003]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  670.704286]  ? oom_evaluate_task+0x540/0x540
[  670.708697]  ? find_held_lock+0x36/0x1c0
[  670.712766]  ? out_of_memory+0x974/0x1430
[  670.716920]  ? lock_downgrade+0x900/0x900
[  670.721064]  ? check_preemption_disabled+0x48/0x280
[  670.726083]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  670.731012]  ? kasan_check_read+0x11/0x20
[  670.735154]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  670.740431]  ? rcu_softirq_qs+0x20/0x20
[  670.744422]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  670.749956]  ? oom_evaluate_task+0x302/0x540
[  670.754367]  out_of_memory+0xa84/0x1430
[  670.758350]  ? oom_killer_disable+0x3a0/0x3a0
[  670.762842]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  670.767769]  ? __ww_mutex_check_waiters+0x160/0x160
[  670.772787]  __alloc_pages_slowpath+0x232c/0x2de0
[  670.777650]  ? warn_alloc+0x120/0x120
[  670.781445]  ? mark_held_locks+0x130/0x130
[  670.785695]  ? find_get_entry+0xaae/0x1120
[  670.790018]  ? filemap_map_pages+0x1a20/0x1a20
[  670.794598]  ? zap_class+0x640/0x640
[  670.798323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.803859]  ? check_preemption_disabled+0x48/0x280
[  670.808879]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  670.814409]  ? should_fail+0x22d/0xd01
[  670.818304]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  670.823752]  ? zap_class+0x640/0x640
[  670.827483]  ? __lock_is_held+0xb5/0x140
[  670.831550]  ? mark_held_locks+0x130/0x130
[  670.835785]  ? lock_release+0xa00/0xa00
[  670.839754]  ? perf_trace_sched_process_exec+0x860/0x860
[  670.845218]  ? xa_load+0x2ba/0x460
[  670.848753]  ? lock_downgrade+0x900/0x900
[  670.852900]  ? __might_sleep+0x95/0x190
[  670.856877]  __alloc_pages_nodemask+0xad8/0xea0
[  670.861549]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  670.866560]  ? __page_cache_alloc+0x191/0x5c0
[  670.871064]  ? xa_load+0x2e1/0x460
[  670.874621]  ? xa_clear_mark+0x40/0x40
[  670.878498]  ? zap_class+0x640/0x640
[  670.882222]  ? zap_class+0x640/0x640
[  670.885935]  ? zap_class+0x640/0x640
[  670.889689]  ? zap_class+0x640/0x640
[  670.893400]  ? __do_page_cache_readahead+0x663/0x810
[  670.898587]  ? find_held_lock+0x36/0x1c0
[  670.902647]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  670.908184]  alloc_pages_current+0x173/0x350
[  670.912593]  __page_cache_alloc+0x38c/0x5c0
[  670.916912]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  670.921834]  ? kasan_check_read+0x11/0x20
[  670.925978]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  670.931251]  ? generic_perform_write+0x6a0/0x6a0
[  670.936008]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  670.941541]  ? check_preemption_disabled+0x48/0x280
[  670.946562]  filemap_fault+0x1595/0x25f0
[  670.950630]  ? __lock_page_or_retry+0xa00/0xa00
[  670.955302]  ? mark_held_locks+0x130/0x130
[  670.959553]  ? filemap_map_pages+0xd6b/0x1a20
[  670.964137]  ? lock_downgrade+0x900/0x900
[  670.968290]  ? check_preemption_disabled+0x48/0x280
[  670.973326]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  670.978280]  ? kasan_check_read+0x11/0x20
[  670.982431]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  670.987701]  ? rcu_softirq_qs+0x20/0x20
[  670.991684]  ? filemap_map_pages+0xd92/0x1a20
[  670.996181]  ? queue_work_on+0x12c/0x1e0
[  671.000252]  ? find_get_entries_tag+0x1400/0x1400
[  671.005211]  ? debug_object_destroy+0x2b0/0x2b0
[  671.009897]  ? lock_pi_update_atomic+0x150/0x150
[  671.014650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.020194]  ? lock_acquire+0x1ed/0x520
[  671.024164]  ? ext4_filemap_fault+0x7a/0xad
[  671.028502]  ? lock_release+0xa00/0xa00
[  671.032482]  ? perf_trace_sched_process_exec+0x860/0x860
[  671.037949]  ? print_usage_bug+0xc0/0xc0
[  671.042018]  ? print_usage_bug+0xc0/0xc0
[  671.046086]  ? down_read+0x8d/0x120
[  671.049713]  ? ext4_filemap_fault+0x7a/0xad
[  671.054050]  ? __down_interruptible+0x700/0x700
[  671.058723]  ext4_filemap_fault+0x82/0xad
[  671.062867]  __do_fault+0x100/0x6b0
[  671.066490]  ? find_held_lock+0x36/0x1c0
[  671.070550]  ? pmd_devmap_trans_unstable+0x220/0x220
[  671.075657]  ? mark_held_locks+0x130/0x130
[  671.079891]  ? mark_held_locks+0x130/0x130
[  671.084131]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  671.089677]  __handle_mm_fault+0x3ea0/0x5be0
[  671.094081]  ? perf_trace_lock+0x7a0/0x7a0
[  671.098328]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  671.103189]  ? __switch_to_asm+0x34/0x70
[  671.107243]  ? __switch_to_asm+0x34/0x70
[  671.111346]  ? zap_class+0x640/0x640
[  671.115053]  ? zap_class+0x640/0x640
[  671.118758]  ? __x64_sys_futex+0x53e/0x6a0
[  671.122996]  ? find_held_lock+0x36/0x1c0
[  671.127061]  ? handle_mm_fault+0x42a/0xc70
[  671.131299]  ? lock_downgrade+0x900/0x900
[  671.135622]  ? check_preemption_disabled+0x48/0x280
[  671.140639]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  671.145564]  ? kasan_check_read+0x11/0x20
[  671.149709]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  671.154983]  ? rcu_softirq_qs+0x20/0x20
[  671.159043]  ? trace_hardirqs_off_caller+0x310/0x310
[  671.164144]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  671.169803]  ? check_preemption_disabled+0x48/0x280
[  671.174823]  handle_mm_fault+0x54f/0xc70
[  671.178886]  ? __handle_mm_fault+0x5be0/0x5be0
[  671.183468]  ? find_vma+0x34/0x190
[  671.187011]  __do_page_fault+0x5e8/0xe60
[  671.191066]  ? trace_hardirqs_off+0xb8/0x310
[  671.195478]  do_page_fault+0xf2/0x7e0
[  671.199283]  ? vmalloc_sync_all+0x30/0x30
[  671.203444]  ? error_entry+0x70/0xd0
[  671.207152]  ? trace_hardirqs_off_caller+0xbb/0x310
[  671.212178]  ? trace_hardirqs_on_caller+0xc0/0x310
[  671.217104]  ? syscall_return_slowpath+0x5e0/0x5e0
[  671.222029]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  671.226869]  ? trace_hardirqs_on_caller+0x310/0x310
[  671.231881]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  671.237333]  ? prepare_exit_to_usermode+0x291/0x3b0
[  671.242344]  ? page_fault+0x8/0x30
[  671.245887]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  671.250747]  ? page_fault+0x8/0x30
[  671.254291]  page_fault+0x1e/0x30
[  671.257765] RIP: 0033:0x40f9c0
[  671.261053] Code: Bad RIP value.
[  671.264409] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  671.269765] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  671.277030] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  671.284301] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  671.291566] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  671.298832] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  671.306123] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  671.306128] warn_alloc_show_mem: 1 callbacks suppressed
[  671.306134] Mem-Info:
[  671.313406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  671.318771] active_anon:54071 inactive_anon:192 isolated_anon:0
[  671.318771]  active_file:13 inactive_file:14 isolated_file:0
[  671.318771]  unevictable:0 dirty:0 writeback:0 unstable:0
[  671.318771]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  671.318771]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  671.318771]  free:13779 free_pcp:228 free_cma:0
[  671.321140] Call Trace:
[  671.330518] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  671.363355]  <IRQ>
[  671.365917] 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
[  671.393518]  dump_stack+0x244/0x39d
[  671.395630] lowmem_reserve[]: 0 2818 6321 6321
[  671.421737]  ? dump_stack_print_info.cold.1+0x20/0x20
[  671.425336] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  671.429921]  warn_alloc.cold.116+0xb7/0x1bd
[  671.435176] lowmem_reserve[]: 0 0 3503 3503
[  671.462760]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  671.467053] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  671.471370]  ? lock_downgrade+0x900/0x900
[  671.476181] lowmem_reserve[]: 0 0 0 0
[  671.505091]  ? trace_hardirqs_off+0xb8/0x310
[  671.509207] 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
[  671.512996]  ? trace_hardirqs_off+0xb8/0x310
[  671.517372] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  671.530892]  __alloc_pages_slowpath+0x2651/0x2de0
[  671.535278] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  671.551243]  ? warn_alloc+0x120/0x120
[  671.556044] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  671.571636]  ? print_usage_bug+0xc0/0xc0
[  671.575412] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  671.584228]  ? warn_alloc+0x120/0x120
[  671.588271] 271 total pagecache pages
[  671.596834]  ? warn_alloc+0x120/0x120
[  671.600617] 0 pages in swap cache
[  671.604400]  ? print_usage_bug+0xc0/0xc0
[  671.608174] Swap cache stats: add 0, delete 0, find 0/0
[  671.611611]  ? print_usage_bug+0xc0/0xc0
[  671.615728] Free swap  = 0kB
[  671.621179]  ? __lock_acquire+0x62f/0x4c20
[  671.625213] Total swap = 0kB
[  671.628222]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  671.632437] 1965979 pages RAM
[  671.635446]  ? should_fail+0x22d/0xd01
[  671.640952] 0 pages HighMem/MovableOnly
[  671.644043]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  671.647901] 342854 pages reserved
[  671.651860]  ? __lock_acquire+0x62f/0x4c20
[  671.657035] 0 pages cma reserved
[  671.660491]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  671.664771] aoe: skb alloc failure
[  671.668053]  ? __lock_acquire+0x62f/0x4c20
[  671.668067]  ? should_fail+0x22d/0xd01
[  671.673234] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  671.676703]  ? find_held_lock+0x36/0x1c0
[  671.680907] syz-fuzzer cpuset=/ mems_allowed=0
[  671.684786]  ? mark_held_locks+0x130/0x130
[  671.707824]  ? mark_held_locks+0x130/0x130
[  671.712052]  ? zap_class+0x640/0x640
[  671.715866]  ? zap_class+0x640/0x640
[  671.719579]  ? print_usage_bug+0xc0/0xc0
[  671.723637]  ? do_raw_spin_unlock+0xa7/0x330
[  671.728042]  ? zap_class+0x640/0x640
[  671.731754]  ? print_usage_bug+0xc0/0xc0
[  671.735812]  ? wq_watchdog_touch+0x9c/0xfe
[  671.740046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.745582]  ? check_preemption_disabled+0x48/0x280
[  671.750602]  ? __lock_is_held+0xb5/0x140
[  671.754676]  __alloc_pages_nodemask+0xad8/0xea0
[  671.759352]  ? zap_class+0x640/0x640
[  671.763071]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  671.768095]  ? find_held_lock+0x36/0x1c0
[  671.772164]  ? ____cache_alloc_node+0x1c7/0x1e0
[  671.776830]  ? lock_downgrade+0x900/0x900
[  671.780982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.786868]  cache_grow_begin+0xa5/0x8c0
[  671.790923]  ? do_raw_spin_unlock+0xa7/0x330
[  671.795334]  fallback_alloc+0x204/0x2e0
[  671.799327]  ____cache_alloc_node+0x1c7/0x1e0
[  671.803825]  kmem_cache_alloc_node+0xe3/0x730
[  671.808323]  ? ipv6_get_ifaddr+0x42e/0x620
[  671.812581]  __alloc_skb+0x119/0x770
[  671.816376]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  671.821653]  ? netdev_alloc_frag+0x1f0/0x1f0
[  671.826061]  ? lock_downgrade+0x900/0x900
[  671.830212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.835744]  ? refcount_sub_and_test_checked+0x203/0x310
[  671.841192]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  671.846640]  ? addrconf_rs_timer+0x690/0x690
[  671.851056]  ndisc_alloc_skb+0x144/0x340
[  671.855128]  ndisc_send_rs+0x331/0x6e0
[  671.859015]  addrconf_rs_timer+0x314/0x690
[  671.863255]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  671.867496]  call_timer_fn+0x272/0x920
[  671.871379]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  671.875609]  ? process_timeout+0x40/0x40
[  671.879677]  ? __run_timers+0x7da/0xc70
[  671.883654]  ? _raw_spin_unlock_irq+0x27/0x80
[  671.888143]  ? _raw_spin_unlock_irq+0x27/0x80
[  671.892632]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  671.896865]  ? lockdep_hardirqs_on+0x296/0x5b0
[  671.901443]  ? trace_hardirqs_on+0xbd/0x310
[  671.905777]  ? kasan_check_read+0x11/0x20
[  671.909923]  ? __run_timers+0x7da/0xc70
[  671.913895]  ? trace_hardirqs_off_caller+0x310/0x310
[  671.918997]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  671.923235]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  671.927469]  __run_timers+0x7e5/0xc70
[  671.931279]  ? timer_fixup_init+0x70/0x70
[  671.935425]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  671.940437]  ? zap_class+0x640/0x640
[  671.944149]  ? enqueue_hrtimer+0x1a5/0x560
[  671.948381]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  671.953677]  ? find_held_lock+0x36/0x1c0
[  671.957740]  ? zap_class+0x640/0x640
[  671.961454]  ? pvclock_read_flags+0x160/0x160
[  671.965945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.971477]  ? check_preemption_disabled+0x48/0x280
[  671.976498]  ? __lock_is_held+0xb5/0x140
[  671.980555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.986173]  ? check_preemption_disabled+0x48/0x280
[  671.991193]  run_timer_softirq+0x52/0xb0
[  671.995269]  ? rcu_read_lock_sched_held+0x14f/0x180
[  672.000287]  __do_softirq+0x308/0xb7e
[  672.004088]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  672.008578]  ? lock_downgrade+0x900/0x900
[  672.012724]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  672.017827]  ? pvclock_read_flags+0x160/0x160
[  672.022320]  ? lapic_next_event+0x5a/0x90
[  672.026465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.032000]  ? kvm_clock_read+0x18/0x30
[  672.035969]  ? kvm_sched_clock_read+0x9/0x20
[  672.040410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.045944]  ? check_preemption_disabled+0x48/0x280
[  672.050968]  irq_exit+0x17f/0x1c0
[  672.054436]  smp_apic_timer_interrupt+0x1cb/0x760
[  672.059279]  ? smp_reschedule_interrupt+0x109/0x650
[  672.064295]  ? smp_call_function_single_interrupt+0x650/0x650
[  672.070174]  ? interrupt_entry+0xb5/0xc0
[  672.074258]  ? trace_hardirqs_off_caller+0xbb/0x310
[  672.079279]  ? trace_hardirqs_off_caller+0xbb/0x310
[  672.084294]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  672.089136]  ? trace_hardirqs_on_caller+0x310/0x310
[  672.094145]  ? trace_hardirqs_on_caller+0x310/0x310
[  672.099155]  ? task_prio+0x50/0x50
[  672.102692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.108225]  ? check_preemption_disabled+0x48/0x280
[  672.113255]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  672.118100]  apic_timer_interrupt+0xf/0x20
[  672.122322]  </IRQ>
[  672.124560] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  672.129496] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  672.148400] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  672.156118] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  672.163379] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  672.170645] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  672.177909] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  672.185171] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  672.192469]  skb_clone+0x1bb/0x500
[  672.196003]  ? finish_task_switch+0x1b4/0x910
[  672.200495]  ? skb_split+0x11e0/0x11e0
[  672.204379]  ? preempt_notifier_register+0x200/0x200
[  672.209475]  ? __switch_to_asm+0x34/0x70
[  672.213529]  ? __switch_to_asm+0x34/0x70
[  672.217584]  ? __switch_to_asm+0x40/0x70
[  672.221638]  ? __switch_to_asm+0x34/0x70
[  672.225710]  ? __switch_to_asm+0x40/0x70
[  672.229884]  ? __switch_to_asm+0x34/0x70
[  672.233941]  ? __switch_to_asm+0x40/0x70
[  672.237994]  ? __switch_to_asm+0x34/0x70
[  672.242050]  ? __switch_to_asm+0x34/0x70
[  672.246102]  ? __switch_to_asm+0x40/0x70
[  672.250156]  ? __switch_to_asm+0x34/0x70
[  672.254216]  bpf_clone_redirect+0xb9/0x490
[  672.258473]  ? __schedule+0x8d7/0x21d0
[  672.262361]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  672.267391]  ? __sched_text_start+0x8/0x8
[  672.271537]  ? retint_kernel+0x2d/0x2d
[  672.275428]  ? find_held_lock+0x36/0x1c0
[  672.279491]  ? lock_acquire+0x1ed/0x520
[  672.283464]  ? bpf_test_run+0x3cb/0x780
[  672.287434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.292967]  ? check_preemption_disabled+0x48/0x280
[  672.297982]  ? kasan_check_read+0x11/0x20
[  672.302127]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  672.307398]  ? rcu_softirq_qs+0x20/0x20
[  672.311369]  ? preempt_schedule+0x4d/0x60
[  672.315512]  ? ___preempt_schedule+0x16/0x18
[  672.319926]  ? bpf_test_run+0x25d/0x780
[  672.323910]  ? netlink_diag_dump+0x2a0/0x2a0
[  672.328317]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  672.333852]  ? bpf_test_init.isra.10+0x70/0x100
[  672.338521]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  672.343282]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  672.348116]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  672.353656]  ? fput+0x130/0x1a0
[  672.356936]  ? __bpf_prog_get+0x9b/0x290
[  672.360994]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  672.365843]  ? bpf_prog_test_run+0x130/0x1a0
[  672.370265]  ? __x64_sys_bpf+0x3db/0x520
[  672.374320]  ? bpf_prog_get+0x20/0x20
[  672.378143]  ? do_syscall_64+0x1b9/0x820
[  672.382202]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  672.387562]  ? syscall_return_slowpath+0x5e0/0x5e0
[  672.392492]  ? trace_hardirqs_on_caller+0x310/0x310
[  672.397505]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  672.402529]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  672.409193]  ? __switch_to_asm+0x40/0x70
[  672.413254]  ? __switch_to_asm+0x34/0x70
[  672.417318]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  672.422179]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  672.427556] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  672.427634] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  672.434574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  672.434579] Call Trace:
[  672.434584]  <IRQ>
[  672.434603]  dump_stack+0x244/0x39d
[  672.434622]  ? dump_stack_print_info.cold.1+0x20/0x20
[  672.441148] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  672.450459]  warn_alloc.cold.116+0xb7/0x1bd
[  672.453006] syz-executor5 cpuset=syz5 mems_allowed=0
[  672.455151]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  672.488608]  ? lock_downgrade+0x900/0x900
[  672.492759]  ? trace_hardirqs_off+0xb8/0x310
[  672.497169]  ? trace_hardirqs_off+0xb8/0x310
[  672.501582]  __alloc_pages_slowpath+0x2651/0x2de0
[  672.506445]  ? warn_alloc+0x120/0x120
[  672.510258]  ? warn_alloc+0x120/0x120
[  672.514061]  ? warn_alloc+0x120/0x120
[  672.518205]  ? print_usage_bug+0xc0/0xc0
[  672.522279]  ? print_usage_bug+0xc0/0xc0
[  672.526336]  ? ktime_get+0x2c1/0x400
[  672.530052]  ? check_preemption_disabled+0x48/0x280
[  672.535063]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  672.539553]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  672.545088]  ? should_fail+0x22d/0xd01
[  672.548967]  ? kasan_check_read+0x11/0x20
[  672.553111]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  672.558209]  ? __lock_acquire+0x62f/0x4c20
[  672.562471]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  672.567568]  ? should_fail+0x22d/0xd01
[  672.571448]  ? print_usage_bug+0xc0/0xc0
[  672.575511]  ? mark_held_locks+0x130/0x130
[  672.579836]  ? mark_held_locks+0x130/0x130
[  672.584064]  ? check_preemption_disabled+0x48/0x280
[  672.589082]  ? zap_class+0x640/0x640
[  672.592823]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  672.597577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.603108]  ? check_preemption_disabled+0x48/0x280
[  672.608139]  ? __lock_is_held+0xb5/0x140
[  672.612204]  __alloc_pages_nodemask+0xad8/0xea0
[  672.616874]  ? zap_class+0x640/0x640
[  672.620606]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  672.625627]  ? find_held_lock+0x36/0x1c0
[  672.629694]  ? ____cache_alloc_node+0x1c7/0x1e0
[  672.634367]  ? lock_downgrade+0x900/0x900
[  672.638516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.644056]  cache_grow_begin+0xa5/0x8c0
[  672.648114]  ? do_raw_spin_unlock+0xa7/0x330
[  672.652534]  fallback_alloc+0x204/0x2e0
[  672.656971]  ____cache_alloc_node+0x1c7/0x1e0
[  672.661471]  kmem_cache_alloc_node+0xe3/0x730
[  672.665966]  ? lockdep_hardirqs_on+0x296/0x5b0
[  672.670551]  __alloc_skb+0x119/0x770
[  672.674259]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  672.679628]  ? netdev_alloc_frag+0x1f0/0x1f0
[  672.684039]  ? vprintk_default+0x28/0x30
[  672.688093]  ? vprintk_func+0x85/0x181
[  672.691997]  ? printk+0xa7/0xcf
[  672.695276]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  672.700028]  ? do_raw_spin_trylock+0x270/0x270
[  672.704611]  new_skb+0x26/0x1c0
[  672.707886]  aoecmd_cfg+0x279/0x7f0
[  672.711523]  ? find_held_lock+0x36/0x1c0
[  672.715581]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  672.719907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.725449]  ? __lock_is_held+0xb5/0x140
[  672.729514]  discover_timer+0x50/0x60
[  672.733317]  call_timer_fn+0x272/0x920
[  672.737198]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  672.742044]  ? process_timeout+0x40/0x40
[  672.746114]  ? mark_held_locks+0xc7/0x130
[  672.750330]  ? _raw_spin_unlock_irq+0x27/0x80
[  672.754833]  ? _raw_spin_unlock_irq+0x27/0x80
[  672.759322]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  672.764167]  ? lockdep_hardirqs_on+0x296/0x5b0
[  672.768764]  ? trace_hardirqs_on+0xbd/0x310
[  672.773080]  ? kasan_check_read+0x11/0x20
[  672.777223]  ? __run_timers+0x7da/0xc70
[  672.781200]  ? trace_hardirqs_off_caller+0x310/0x310
[  672.786331]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  672.791169]  __run_timers+0x7e5/0xc70
[  672.794970]  ? timer_fixup_init+0x70/0x70
[  672.799251]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  672.804272]  ? zap_class+0x640/0x640
[  672.807991]  ? print_usage_bug+0xc0/0xc0
[  672.812049]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  672.817249]  ? find_held_lock+0x36/0x1c0
[  672.821325]  ? zap_class+0x640/0x640
[  672.825352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.830888]  ? check_preemption_disabled+0x48/0x280
[  672.835994]  ? __lock_is_held+0xb5/0x140
[  672.840055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.845592]  ? check_preemption_disabled+0x48/0x280
[  672.850639]  run_timer_softirq+0x52/0xb0
[  672.854695]  ? rcu_read_lock_sched_held+0x14f/0x180
[  672.859710]  __do_softirq+0x308/0xb7e
[  672.863511]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  672.868015]  ? lock_downgrade+0x900/0x900
[  672.872163]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  672.877270]  ? pvclock_read_flags+0x160/0x160
[  672.881762]  ? lapic_next_event+0x5a/0x90
[  672.885916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.891451]  ? kvm_clock_read+0x18/0x30
[  672.895425]  ? kvm_sched_clock_read+0x9/0x20
[  672.899828]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  672.905358]  ? check_preemption_disabled+0x48/0x280
[  672.910376]  irq_exit+0x17f/0x1c0
[  672.913830]  smp_apic_timer_interrupt+0x1cb/0x760
[  672.918667]  ? smp_reschedule_interrupt+0x109/0x650
[  672.923679]  ? smp_call_function_single_interrupt+0x650/0x650
[  672.929561]  ? interrupt_entry+0xb5/0xc0
[  672.933643]  ? trace_hardirqs_off_caller+0xbb/0x310
[  672.938653]  ? trace_hardirqs_off_caller+0xbb/0x310
[  672.943676]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  672.948519]  ? trace_hardirqs_on_caller+0x310/0x310
[  672.953533]  ? trace_hardirqs_on_caller+0x310/0x310
[  672.958547]  ? task_prio+0x50/0x50
[  672.962085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.967620]  ? check_preemption_disabled+0x48/0x280
[  672.972647]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  672.977496]  apic_timer_interrupt+0xf/0x20
[  672.981719]  </IRQ>
[  672.983966] RIP: 0010:dump_stack+0x358/0x39d
[  672.988374] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  673.007274] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  673.014981] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  673.022255] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  673.029526] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  673.036791] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  673.044054] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  673.051334]  ? dump_stack+0x34f/0x39d
[  673.055147]  ? dump_stack_print_info.cold.1+0x20/0x20
[  673.060337]  ? mark_held_locks+0x130/0x130
[  673.064567]  ? mark_held_locks+0x130/0x130
[  673.068822]  dump_header+0x27b/0xf72
[  673.072544]  ? pagefault_out_of_memory+0x197/0x197
[  673.077476]  ? __lock_acquire+0x62f/0x4c20
[  673.081726]  ? percpu_ref_get_many+0x240/0x240
[  673.086307]  ? print_usage_bug+0xc0/0xc0
[  673.090460]  ? zap_class+0x640/0x640
[  673.094171]  ? print_usage_bug+0xc0/0xc0
[  673.098237]  ? print_usage_bug+0xc0/0xc0
[  673.102307]  ? zap_class+0x640/0x640
[  673.106019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.111588]  ? find_held_lock+0x36/0x1c0
[  673.115653]  ? mark_held_locks+0xc7/0x130
[  673.119812]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  673.124931]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  673.130027]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  673.134608]  ? trace_hardirqs_on+0xbd/0x310
[  673.138928]  ? kasan_check_read+0x11/0x20
[  673.143072]  ? ___ratelimit+0x3b4/0x672
[  673.147043]  ? trace_hardirqs_off_caller+0x310/0x310
[  673.152143]  ? trace_hardirqs_on+0x310/0x310
[  673.156550]  ? lock_downgrade+0x900/0x900
[  673.160697]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  673.165796]  ? ___ratelimit+0x3b9/0x672
[  673.169777]  ? idr_get_free+0xf70/0xf70
[  673.173745]  ? find_held_lock+0x36/0x1c0
[  673.177817]  oom_kill_process.cold.27+0x10/0x903
[  673.182582]  ? zap_class+0x640/0x640
[  673.186293]  ? check_preemption_disabled+0x48/0x280
[  673.191395]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  673.196320]  ? kasan_check_read+0x11/0x20
[  673.200482]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  673.205782]  ? oom_evaluate_task+0x540/0x540
[  673.210187]  ? find_held_lock+0x36/0x1c0
[  673.214266]  ? out_of_memory+0x974/0x1430
[  673.218411]  ? lock_downgrade+0x900/0x900
[  673.222552]  ? check_preemption_disabled+0x48/0x280
[  673.227565]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  673.232501]  ? kasan_check_read+0x11/0x20
[  673.236642]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  673.241914]  ? rcu_softirq_qs+0x20/0x20
[  673.245887]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  673.251418]  ? oom_evaluate_task+0x302/0x540
[  673.255826]  out_of_memory+0xa84/0x1430
[  673.259829]  ? oom_killer_disable+0x3a0/0x3a0
[  673.264323]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  673.269263]  ? __ww_mutex_check_waiters+0x160/0x160
[  673.274288]  __alloc_pages_slowpath+0x232c/0x2de0
[  673.279169]  ? warn_alloc+0x120/0x120
[  673.282965]  ? mark_held_locks+0x130/0x130
[  673.287200]  ? find_get_entry+0xaae/0x1120
[  673.291445]  ? filemap_map_pages+0x1a20/0x1a20
[  673.296026]  ? zap_class+0x640/0x640
[  673.299743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.305279]  ? check_preemption_disabled+0x48/0x280
[  673.310295]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  673.315826]  ? should_fail+0x22d/0xd01
[  673.319711]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  673.324811]  ? zap_class+0x640/0x640
[  673.328630]  ? __lock_is_held+0xb5/0x140
[  673.332711]  ? mark_held_locks+0x130/0x130
[  673.336946]  ? lock_release+0xa00/0xa00
[  673.340921]  ? perf_trace_sched_process_exec+0x860/0x860
[  673.346375]  ? xa_load+0x2ba/0x460
[  673.349913]  ? lock_downgrade+0x900/0x900
[  673.354061]  ? __might_sleep+0x95/0x190
[  673.358040]  __alloc_pages_nodemask+0xad8/0xea0
[  673.362713]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  673.367723]  ? __page_cache_alloc+0x191/0x5c0
[  673.372212]  ? xa_load+0x2e1/0x460
[  673.375785]  ? xa_clear_mark+0x40/0x40
[  673.379667]  ? zap_class+0x640/0x640
[  673.383382]  ? zap_class+0x640/0x640
[  673.387101]  ? zap_class+0x640/0x640
[  673.390812]  ? zap_class+0x640/0x640
[  673.394522]  ? __do_page_cache_readahead+0x663/0x810
[  673.399625]  ? find_held_lock+0x36/0x1c0
[  673.403688]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  673.409236]  alloc_pages_current+0x173/0x350
[  673.413647]  __page_cache_alloc+0x38c/0x5c0
[  673.418084]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  673.423009]  ? kasan_check_read+0x11/0x20
[  673.427151]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  673.432440]  ? generic_perform_write+0x6a0/0x6a0
[  673.437196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  673.442765]  ? check_preemption_disabled+0x48/0x280
[  673.447788]  filemap_fault+0x1595/0x25f0
[  673.451876]  ? __lock_page_or_retry+0xa00/0xa00
[  673.456543]  ? mark_held_locks+0x130/0x130
[  673.460801]  ? filemap_map_pages+0xd6b/0x1a20
[  673.465379]  ? lock_downgrade+0x900/0x900
[  673.469520]  ? check_preemption_disabled+0x48/0x280
[  673.474535]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  673.479457]  ? kasan_check_read+0x11/0x20
[  673.483599]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  673.488870]  ? rcu_softirq_qs+0x20/0x20
[  673.492888]  ? filemap_map_pages+0xd92/0x1a20
[  673.497381]  ? queue_work_on+0x12c/0x1e0
[  673.501439]  ? find_get_entries_tag+0x1400/0x1400
[  673.506284]  ? debug_object_destroy+0x2b0/0x2b0
[  673.510960]  ? lock_pi_update_atomic+0x150/0x150
[  673.515708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.521261]  ? lock_acquire+0x1ed/0x520
[  673.525278]  ? ext4_filemap_fault+0x7a/0xad
[  673.529599]  ? lock_release+0xa00/0xa00
[  673.533567]  ? perf_trace_sched_process_exec+0x860/0x860
[  673.539025]  ? print_usage_bug+0xc0/0xc0
[  673.543083]  ? print_usage_bug+0xc0/0xc0
[  673.547152]  ? down_read+0x8d/0x120
[  673.550774]  ? ext4_filemap_fault+0x7a/0xad
[  673.555089]  ? __down_interruptible+0x700/0x700
[  673.559763]  ext4_filemap_fault+0x82/0xad
[  673.563908]  __do_fault+0x100/0x6b0
[  673.567532]  ? find_held_lock+0x36/0x1c0
[  673.571592]  ? pmd_devmap_trans_unstable+0x220/0x220
[  673.576704]  ? mark_held_locks+0x130/0x130
[  673.580953]  ? mark_held_locks+0x130/0x130
[  673.585192]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  673.590735]  __handle_mm_fault+0x3ea0/0x5be0
[  673.595154]  ? perf_trace_lock+0x7a0/0x7a0
[  673.599396]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  673.604255]  ? __switch_to_asm+0x34/0x70
[  673.608316]  ? __switch_to_asm+0x34/0x70
[  673.612383]  ? zap_class+0x640/0x640
[  673.616108]  ? zap_class+0x640/0x640
[  673.619818]  ? __x64_sys_futex+0x53e/0x6a0
[  673.624053]  ? find_held_lock+0x36/0x1c0
[  673.628115]  ? handle_mm_fault+0x42a/0xc70
[  673.632346]  ? lock_downgrade+0x900/0x900
[  673.636489]  ? check_preemption_disabled+0x48/0x280
[  673.641503]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  673.646428]  ? kasan_check_read+0x11/0x20
[  673.650578]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  673.655867]  ? rcu_softirq_qs+0x20/0x20
[  673.659837]  ? trace_hardirqs_off_caller+0x310/0x310
[  673.664952]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  673.670491]  ? check_preemption_disabled+0x48/0x280
[  673.675514]  handle_mm_fault+0x54f/0xc70
[  673.679577]  ? __handle_mm_fault+0x5be0/0x5be0
[  673.684160]  ? find_vma+0x34/0x190
[  673.687699]  __do_page_fault+0x5e8/0xe60
[  673.691754]  ? trace_hardirqs_off+0xb8/0x310
[  673.696169]  do_page_fault+0xf2/0x7e0
[  673.699966]  ? vmalloc_sync_all+0x30/0x30
[  673.704113]  ? error_entry+0x70/0xd0
[  673.707827]  ? trace_hardirqs_off_caller+0xbb/0x310
[  673.712847]  ? trace_hardirqs_on_caller+0xc0/0x310
[  673.717770]  ? syscall_return_slowpath+0x5e0/0x5e0
[  673.722713]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  673.727554]  ? trace_hardirqs_on_caller+0x310/0x310
[  673.732588]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  673.738037]  ? prepare_exit_to_usermode+0x291/0x3b0
[  673.743049]  ? page_fault+0x8/0x30
[  673.746591]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  673.751433]  ? page_fault+0x8/0x30
[  673.754969]  page_fault+0x1e/0x30
[  673.758419] RIP: 0033:0x40f9c0
[  673.761625] Code: Bad RIP value.
[  673.764986] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  673.770344] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  673.777605] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  673.784870] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  673.792135] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  673.799396] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  673.806683] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  673.806688] warn_alloc_show_mem: 1 callbacks suppressed
[  673.806694] Mem-Info:
[  673.813958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  673.813965] Call Trace:
[  673.819343] active_anon:54071 inactive_anon:192 isolated_anon:0
[  673.819343]  active_file:13 inactive_file:14 isolated_file:0
[  673.819343]  unevictable:0 dirty:0 writeback:0 unstable:0
[  673.819343]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  673.819343]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  673.819343]  free:13779 free_pcp:228 free_cma:0
[  673.821714]  <IRQ>
[  673.831072] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  673.833648]  dump_stack+0x244/0x39d
[  673.866654] 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
[  673.868800]  ? dump_stack_print_info.cold.1+0x20/0x20
[  673.896261] lowmem_reserve[]: 0 2818 6321 6321
[  673.899894]  warn_alloc.cold.116+0xb7/0x1bd
[  673.925967] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  673.931147]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  673.935694] lowmem_reserve[]: 0 0 3503 3503
[  673.940013]  ? lock_downgrade+0x900/0x900
[  673.967479] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  673.972318]  ? trace_hardirqs_off+0xb8/0x310
[  673.976602] lowmem_reserve[]: 0 0 0 0
[  673.980755]  ? trace_hardirqs_off+0xb8/0x310
[  674.009713] 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
[  674.014125]  __alloc_pages_slowpath+0x2651/0x2de0
[  674.017894] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  674.022313]  ? warn_alloc+0x120/0x120
[  674.035874] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  674.040709]  ? print_usage_bug+0xc0/0xc0
[  674.056740] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  674.060526]  ? warn_alloc+0x120/0x120
[  674.076127] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  674.080171]  ? warn_alloc+0x120/0x120
[  674.088977] 271 total pagecache pages
[  674.092774]  ? print_usage_bug+0xc0/0xc0
[  674.101328] 0 pages in swap cache
[  674.105116]  ? print_usage_bug+0xc0/0xc0
[  674.108891] Swap cache stats: add 0, delete 0, find 0/0
[  674.112937]  ? __lock_acquire+0x62f/0x4c20
[  674.116377] Free swap  = 0kB
[  674.120431]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  674.125767] Total swap = 0kB
[  674.129991]  ? should_fail+0x22d/0xd01
[  674.132976] 1965979 pages RAM
[  674.138501]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  674.141491] 0 pages HighMem/MovableOnly
[  674.145466]  ? __lock_acquire+0x62f/0x4c20
[  674.148542] 342854 pages reserved
[  674.153634]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  674.157577] 0 pages cma reserved
[  674.161798]  ? __lock_acquire+0x62f/0x4c20
[  674.165291] aoe: skb alloc failure
[  674.170310]  ? should_fail+0x22d/0xd01
[  674.170325]  ? find_held_lock+0x36/0x1c0
[  674.173739] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  674.177908]  ? mark_held_locks+0x130/0x130
[  674.181416] syz-fuzzer cpuset=/ mems_allowed=0
[  674.185291]  ? mark_held_locks+0x130/0x130
[  674.212541]  ? zap_class+0x640/0x640
[  674.216253]  ? zap_class+0x640/0x640
[  674.219968]  ? print_usage_bug+0xc0/0xc0
[  674.224026]  ? do_raw_spin_unlock+0xa7/0x330
[  674.228434]  ? zap_class+0x640/0x640
[  674.232142]  ? print_usage_bug+0xc0/0xc0
[  674.236207]  ? wq_watchdog_touch+0x9c/0xfe
[  674.240457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.246000]  ? check_preemption_disabled+0x48/0x280
[  674.251280]  ? __lock_is_held+0xb5/0x140
[  674.255341]  __alloc_pages_nodemask+0xad8/0xea0
[  674.260024]  ? zap_class+0x640/0x640
[  674.263752]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  674.268795]  ? find_held_lock+0x36/0x1c0
[  674.272861]  ? ____cache_alloc_node+0x1c7/0x1e0
[  674.277528]  ? lock_downgrade+0x900/0x900
[  674.281681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.287227]  cache_grow_begin+0xa5/0x8c0
[  674.291282]  ? do_raw_spin_unlock+0xa7/0x330
[  674.295694]  fallback_alloc+0x204/0x2e0
[  674.299671]  ____cache_alloc_node+0x1c7/0x1e0
[  674.304167]  kmem_cache_alloc_node+0xe3/0x730
[  674.308665]  ? ipv6_get_ifaddr+0x42e/0x620
[  674.312905]  __alloc_skb+0x119/0x770
[  674.316615]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  674.321896]  ? netdev_alloc_frag+0x1f0/0x1f0
[  674.326316]  ? lock_downgrade+0x900/0x900
[  674.330466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.336002]  ? refcount_sub_and_test_checked+0x203/0x310
[  674.341453]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  674.346901]  ? addrconf_rs_timer+0x690/0x690
[  674.351322]  ndisc_alloc_skb+0x144/0x340
[  674.355408]  ndisc_send_rs+0x331/0x6e0
[  674.359297]  addrconf_rs_timer+0x314/0x690
[  674.363532]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  674.367771]  call_timer_fn+0x272/0x920
[  674.371663]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  674.375892]  ? process_timeout+0x40/0x40
[  674.379954]  ? __run_timers+0x7da/0xc70
[  674.383934]  ? _raw_spin_unlock_irq+0x27/0x80
[  674.388423]  ? _raw_spin_unlock_irq+0x27/0x80
[  674.392925]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  674.397154]  ? lockdep_hardirqs_on+0x296/0x5b0
[  674.401737]  ? trace_hardirqs_on+0xbd/0x310
[  674.406055]  ? kasan_check_read+0x11/0x20
[  674.410217]  ? __run_timers+0x7da/0xc70
[  674.414189]  ? trace_hardirqs_off_caller+0x310/0x310
[  674.419301]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  674.423535]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  674.427762]  __run_timers+0x7e5/0xc70
[  674.431564]  ? timer_fixup_init+0x70/0x70
[  674.435711]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  674.440759]  ? zap_class+0x640/0x640
[  674.444474]  ? enqueue_hrtimer+0x1a5/0x560
[  674.448709]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  674.453907]  ? find_held_lock+0x36/0x1c0
[  674.457969]  ? zap_class+0x640/0x640
[  674.461683]  ? pvclock_read_flags+0x160/0x160
[  674.466212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.471749]  ? check_preemption_disabled+0x48/0x280
[  674.476769]  ? __lock_is_held+0xb5/0x140
[  674.480835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.486368]  ? check_preemption_disabled+0x48/0x280
[  674.491384]  run_timer_softirq+0x52/0xb0
[  674.495446]  ? rcu_read_lock_sched_held+0x14f/0x180
[  674.500464]  __do_softirq+0x308/0xb7e
[  674.504263]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  674.508752]  ? lock_downgrade+0x900/0x900
[  674.512900]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  674.518021]  ? pvclock_read_flags+0x160/0x160
[  674.522515]  ? lapic_next_event+0x5a/0x90
[  674.526663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.532207]  ? kvm_clock_read+0x18/0x30
[  674.536179]  ? kvm_sched_clock_read+0x9/0x20
[  674.540593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.546126]  ? check_preemption_disabled+0x48/0x280
[  674.551151]  irq_exit+0x17f/0x1c0
[  674.554600]  smp_apic_timer_interrupt+0x1cb/0x760
[  674.559440]  ? smp_reschedule_interrupt+0x109/0x650
[  674.564454]  ? smp_call_function_single_interrupt+0x650/0x650
[  674.570333]  ? interrupt_entry+0xb5/0xc0
[  674.574393]  ? trace_hardirqs_off_caller+0xbb/0x310
[  674.579417]  ? trace_hardirqs_off_caller+0xbb/0x310
[  674.584435]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  674.589277]  ? trace_hardirqs_on_caller+0x310/0x310
[  674.594297]  ? trace_hardirqs_on_caller+0x310/0x310
[  674.599311]  ? task_prio+0x50/0x50
[  674.602848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.608482]  ? check_preemption_disabled+0x48/0x280
[  674.613499]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  674.618344]  apic_timer_interrupt+0xf/0x20
[  674.622566]  </IRQ>
[  674.624802] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  674.629735] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  674.648635] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  674.656685] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  674.663949] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  674.671217] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  674.678496] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  674.686089] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  674.693405]  skb_clone+0x1bb/0x500
[  674.696945]  ? finish_task_switch+0x1b4/0x910
[  674.701441]  ? skb_split+0x11e0/0x11e0
[  674.705327]  ? preempt_notifier_register+0x200/0x200
[  674.710429]  ? __switch_to_asm+0x34/0x70
[  674.714485]  ? __switch_to_asm+0x34/0x70
[  674.718542]  ? __switch_to_asm+0x40/0x70
[  674.722594]  ? __switch_to_asm+0x34/0x70
[  674.726650]  ? __switch_to_asm+0x40/0x70
[  674.730707]  ? __switch_to_asm+0x34/0x70
[  674.734767]  ? __switch_to_asm+0x40/0x70
[  674.738822]  ? __switch_to_asm+0x34/0x70
[  674.742876]  ? __switch_to_asm+0x34/0x70
[  674.746930]  ? __switch_to_asm+0x40/0x70
[  674.751418]  ? __switch_to_asm+0x34/0x70
[  674.755480]  bpf_clone_redirect+0xb9/0x490
[  674.759797]  ? __schedule+0x8d7/0x21d0
[  674.763688]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  674.768704]  ? __sched_text_start+0x8/0x8
[  674.772923]  ? retint_kernel+0x2d/0x2d
[  674.776822]  ? find_held_lock+0x36/0x1c0
[  674.780977]  ? lock_acquire+0x1ed/0x520
[  674.784951]  ? bpf_test_run+0x3cb/0x780
[  674.788927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.794466]  ? check_preemption_disabled+0x48/0x280
[  674.799485]  ? kasan_check_read+0x11/0x20
[  674.803628]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  674.808900]  ? rcu_softirq_qs+0x20/0x20
[  674.812872]  ? preempt_schedule+0x4d/0x60
[  674.817022]  ? ___preempt_schedule+0x16/0x18
[  674.821434]  ? bpf_test_run+0x25d/0x780
[  674.825950]  ? netlink_diag_dump+0x2a0/0x2a0
[  674.830369]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  674.835915]  ? bpf_test_init.isra.10+0x70/0x100
[  674.840585]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  674.845367]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  674.850213]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  674.855746]  ? fput+0x130/0x1a0
[  674.859028]  ? __bpf_prog_get+0x9b/0x290
[  674.863085]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  674.867923]  ? bpf_prog_test_run+0x130/0x1a0
[  674.872329]  ? __x64_sys_bpf+0x3db/0x520
[  674.876385]  ? bpf_prog_get+0x20/0x20
[  674.880218]  ? do_syscall_64+0x1b9/0x820
[  674.884278]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  674.889639]  ? syscall_return_slowpath+0x5e0/0x5e0
[  674.894589]  ? trace_hardirqs_on_caller+0x310/0x310
[  674.899616]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  674.904630]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  674.911293]  ? __switch_to_asm+0x40/0x70
[  674.915351]  ? __switch_to_asm+0x34/0x70
[  674.919417]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  674.924261]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  674.929638] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  674.929741] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  674.936653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  674.936658] Call Trace:
[  674.936665]  <IRQ>
[  674.936683]  dump_stack+0x244/0x39d
[  674.936702]  ? dump_stack_print_info.cold.1+0x20/0x20
[  674.943295] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  674.952565]  warn_alloc.cold.116+0xb7/0x1bd
[  674.955115] syz-executor5 cpuset=syz5 mems_allowed=0
[  674.957256]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  674.990845]  ? lock_downgrade+0x900/0x900
[  674.994999]  ? trace_hardirqs_off+0xb8/0x310
[  674.999437]  ? trace_hardirqs_off+0xb8/0x310
[  675.003849]  __alloc_pages_slowpath+0x2651/0x2de0
[  675.008714]  ? warn_alloc+0x120/0x120
[  675.012515]  ? warn_alloc+0x120/0x120
[  675.016316]  ? warn_alloc+0x120/0x120
[  675.020116]  ? print_usage_bug+0xc0/0xc0
[  675.024174]  ? print_usage_bug+0xc0/0xc0
[  675.028243]  ? ktime_get+0x2c1/0x400
[  675.031963]  ? check_preemption_disabled+0x48/0x280
[  675.036974]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  675.041471]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  675.047003]  ? should_fail+0x22d/0xd01
[  675.050886]  ? kasan_check_read+0x11/0x20
[  675.055031]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  675.060236]  ? __lock_acquire+0x62f/0x4c20
[  675.064469]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  675.069564]  ? should_fail+0x22d/0xd01
[  675.073447]  ? print_usage_bug+0xc0/0xc0
[  675.077511]  ? mark_held_locks+0x130/0x130
[  675.081743]  ? mark_held_locks+0x130/0x130
[  675.085974]  ? check_preemption_disabled+0x48/0x280
[  675.090991]  ? zap_class+0x640/0x640
[  675.094707]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  675.099495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.105030]  ? check_preemption_disabled+0x48/0x280
[  675.110049]  ? __lock_is_held+0xb5/0x140
[  675.114114]  __alloc_pages_nodemask+0xad8/0xea0
[  675.118776]  ? zap_class+0x640/0x640
[  675.122491]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  675.127515]  ? find_held_lock+0x36/0x1c0
[  675.131588]  ? ____cache_alloc_node+0x1c7/0x1e0
[  675.136268]  ? lock_downgrade+0x900/0x900
[  675.140421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.145962]  cache_grow_begin+0xa5/0x8c0
[  675.150020]  ? do_raw_spin_unlock+0xa7/0x330
[  675.154431]  fallback_alloc+0x204/0x2e0
[  675.158409]  ____cache_alloc_node+0x1c7/0x1e0
[  675.162904]  kmem_cache_alloc_node+0xe3/0x730
[  675.167395]  ? lockdep_hardirqs_on+0x296/0x5b0
[  675.171980]  __alloc_skb+0x119/0x770
[  675.175687]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  675.181151]  ? netdev_alloc_frag+0x1f0/0x1f0
[  675.185567]  ? vprintk_default+0x28/0x30
[  675.189627]  ? vprintk_func+0x85/0x181
[  675.193519]  ? printk+0xa7/0xcf
[  675.196801]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  675.201556]  ? do_raw_spin_trylock+0x270/0x270
[  675.206138]  new_skb+0x26/0x1c0
[  675.209416]  aoecmd_cfg+0x279/0x7f0
[  675.213043]  ? find_held_lock+0x36/0x1c0
[  675.217108]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  675.221433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.226979]  ? __lock_is_held+0xb5/0x140
[  675.231047]  discover_timer+0x50/0x60
[  675.234844]  call_timer_fn+0x272/0x920
[  675.238726]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  675.243563]  ? process_timeout+0x40/0x40
[  675.247630]  ? mark_held_locks+0xc7/0x130
[  675.251773]  ? _raw_spin_unlock_irq+0x27/0x80
[  675.256269]  ? _raw_spin_unlock_irq+0x27/0x80
[  675.260764]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  675.265603]  ? lockdep_hardirqs_on+0x296/0x5b0
[  675.270189]  ? trace_hardirqs_on+0xbd/0x310
[  675.274506]  ? kasan_check_read+0x11/0x20
[  675.278652]  ? __run_timers+0x7da/0xc70
[  675.282622]  ? trace_hardirqs_off_caller+0x310/0x310
[  675.287735]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  675.292573]  __run_timers+0x7e5/0xc70
[  675.296397]  ? timer_fixup_init+0x70/0x70
[  675.300547]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  675.305558]  ? zap_class+0x640/0x640
[  675.309275]  ? print_usage_bug+0xc0/0xc0
[  675.313333]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  675.318540]  ? find_held_lock+0x36/0x1c0
[  675.322600]  ? zap_class+0x640/0x640
[  675.326317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.331855]  ? check_preemption_disabled+0x48/0x280
[  675.336877]  ? __lock_is_held+0xb5/0x140
[  675.340935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.346576]  ? check_preemption_disabled+0x48/0x280
[  675.351593]  run_timer_softirq+0x52/0xb0
[  675.355650]  ? rcu_read_lock_sched_held+0x14f/0x180
[  675.360668]  __do_softirq+0x308/0xb7e
[  675.364479]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  675.368976]  ? lock_downgrade+0x900/0x900
[  675.373123]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  675.378233]  ? pvclock_read_flags+0x160/0x160
[  675.382726]  ? lapic_next_event+0x5a/0x90
[  675.386872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.392409]  ? kvm_clock_read+0x18/0x30
[  675.396396]  ? kvm_sched_clock_read+0x9/0x20
[  675.400804]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  675.406355]  ? check_preemption_disabled+0x48/0x280
[  675.411379]  irq_exit+0x17f/0x1c0
[  675.414830]  smp_apic_timer_interrupt+0x1cb/0x760
[  675.419670]  ? smp_reschedule_interrupt+0x109/0x650
[  675.424685]  ? smp_call_function_single_interrupt+0x650/0x650
[  675.430578]  ? interrupt_entry+0xb5/0xc0
[  675.434639]  ? trace_hardirqs_off_caller+0xbb/0x310
[  675.439649]  ? trace_hardirqs_off_caller+0xbb/0x310
[  675.444660]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  675.449501]  ? trace_hardirqs_on_caller+0x310/0x310
[  675.454521]  ? trace_hardirqs_on_caller+0x310/0x310
[  675.459539]  ? task_prio+0x50/0x50
[  675.463074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.468608]  ? check_preemption_disabled+0x48/0x280
[  675.473718]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  675.478562]  apic_timer_interrupt+0xf/0x20
[  675.482784]  </IRQ>
[  675.485036] RIP: 0010:dump_stack+0x358/0x39d
[  675.489441] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  675.508351] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  675.516059] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  675.523321] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  675.530587] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  675.537849] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  675.545141] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  675.552431]  ? dump_stack+0x34f/0x39d
[  675.556247]  ? dump_stack_print_info.cold.1+0x20/0x20
[  675.561447]  ? mark_held_locks+0x130/0x130
[  675.565678]  ? mark_held_locks+0x130/0x130
[  675.569916]  dump_header+0x27b/0xf72
[  675.573638]  ? pagefault_out_of_memory+0x197/0x197
[  675.578569]  ? __lock_acquire+0x62f/0x4c20
[  675.582805]  ? percpu_ref_get_many+0x240/0x240
[  675.587384]  ? print_usage_bug+0xc0/0xc0
[  675.591445]  ? zap_class+0x640/0x640
[  675.595158]  ? print_usage_bug+0xc0/0xc0
[  675.599245]  ? print_usage_bug+0xc0/0xc0
[  675.603303]  ? zap_class+0x640/0x640
[  675.607014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.612549]  ? find_held_lock+0x36/0x1c0
[  675.616615]  ? mark_held_locks+0xc7/0x130
[  675.620763]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  675.625860]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  675.630962]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  675.635543]  ? trace_hardirqs_on+0xbd/0x310
[  675.639877]  ? kasan_check_read+0x11/0x20
[  675.644019]  ? ___ratelimit+0x3b4/0x672
[  675.647991]  ? trace_hardirqs_off_caller+0x310/0x310
[  675.653091]  ? trace_hardirqs_on+0x310/0x310
[  675.657496]  ? lock_downgrade+0x900/0x900
[  675.661643]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  675.666741]  ? ___ratelimit+0x3b9/0x672
[  675.670717]  ? idr_get_free+0xf70/0xf70
[  675.674686]  ? find_held_lock+0x36/0x1c0
[  675.678753]  oom_kill_process.cold.27+0x10/0x903
[  675.683508]  ? zap_class+0x640/0x640
[  675.687227]  ? check_preemption_disabled+0x48/0x280
[  675.692244]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  675.697516]  ? kasan_check_read+0x11/0x20
[  675.701662]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  675.706934]  ? oom_evaluate_task+0x540/0x540
[  675.711339]  ? find_held_lock+0x36/0x1c0
[  675.715406]  ? out_of_memory+0x974/0x1430
[  675.719550]  ? lock_downgrade+0x900/0x900
[  675.723697]  ? check_preemption_disabled+0x48/0x280
[  675.728714]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  675.733646]  ? kasan_check_read+0x11/0x20
[  675.737788]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  675.743064]  ? rcu_softirq_qs+0x20/0x20
[  675.747036]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  675.752565]  ? oom_evaluate_task+0x302/0x540
[  675.756990]  out_of_memory+0xa84/0x1430
[  675.760968]  ? oom_killer_disable+0x3a0/0x3a0
[  675.765461]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  675.770395]  ? __ww_mutex_check_waiters+0x160/0x160
[  675.775419]  __alloc_pages_slowpath+0x232c/0x2de0
[  675.780284]  ? warn_alloc+0x120/0x120
[  675.784078]  ? mark_held_locks+0x130/0x130
[  675.788314]  ? find_get_entry+0xaae/0x1120
[  675.792551]  ? filemap_map_pages+0x1a20/0x1a20
[  675.797138]  ? zap_class+0x640/0x640
[  675.800861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.806394]  ? check_preemption_disabled+0x48/0x280
[  675.811405]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  675.816942]  ? should_fail+0x22d/0xd01
[  675.820829]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  675.825930]  ? zap_class+0x640/0x640
[  675.829663]  ? __lock_is_held+0xb5/0x140
[  675.833730]  ? mark_held_locks+0x130/0x130
[  675.837961]  ? lock_release+0xa00/0xa00
[  675.842021]  ? perf_trace_sched_process_exec+0x860/0x860
[  675.847464]  ? xa_load+0x2ba/0x460
[  675.851002]  ? lock_downgrade+0x900/0x900
[  675.855147]  ? __might_sleep+0x95/0x190
[  675.859125]  __alloc_pages_nodemask+0xad8/0xea0
[  675.863797]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  675.868809]  ? __page_cache_alloc+0x191/0x5c0
[  675.873306]  ? xa_load+0x2e1/0x460
[  675.876841]  ? xa_clear_mark+0x40/0x40
[  675.880735]  ? zap_class+0x640/0x640
[  675.884445]  ? zap_class+0x640/0x640
[  675.888204]  ? zap_class+0x640/0x640
[  675.891931]  ? zap_class+0x640/0x640
[  675.895642]  ? __do_page_cache_readahead+0x663/0x810
[  675.900743]  ? find_held_lock+0x36/0x1c0
[  675.904806]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  675.910345]  alloc_pages_current+0x173/0x350
[  675.914765]  __page_cache_alloc+0x38c/0x5c0
[  675.919083]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  675.924008]  ? kasan_check_read+0x11/0x20
[  675.928150]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  675.933436]  ? generic_perform_write+0x6a0/0x6a0
[  675.938197]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  675.943731]  ? check_preemption_disabled+0x48/0x280
[  675.948753]  filemap_fault+0x1595/0x25f0
[  675.952824]  ? __lock_page_or_retry+0xa00/0xa00
[  675.957491]  ? mark_held_locks+0x130/0x130
[  675.961729]  ? filemap_map_pages+0xd6b/0x1a20
[  675.966224]  ? lock_downgrade+0x900/0x900
[  675.970369]  ? check_preemption_disabled+0x48/0x280
[  675.975385]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  675.980314]  ? kasan_check_read+0x11/0x20
[  675.984461]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  675.989749]  ? rcu_softirq_qs+0x20/0x20
[  675.993731]  ? filemap_map_pages+0xd92/0x1a20
[  675.998224]  ? queue_work_on+0x12c/0x1e0
[  676.002285]  ? find_get_entries_tag+0x1400/0x1400
[  676.007128]  ? debug_object_destroy+0x2b0/0x2b0
[  676.011804]  ? lock_pi_update_atomic+0x150/0x150
[  676.016557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.022102]  ? lock_acquire+0x1ed/0x520
[  676.026070]  ? ext4_filemap_fault+0x7a/0xad
[  676.030390]  ? lock_release+0xa00/0xa00
[  676.034357]  ? perf_trace_sched_process_exec+0x860/0x860
[  676.039805]  ? print_usage_bug+0xc0/0xc0
[  676.043864]  ? print_usage_bug+0xc0/0xc0
[  676.047933]  ? down_read+0x8d/0x120
[  676.051551]  ? ext4_filemap_fault+0x7a/0xad
[  676.055879]  ? __down_interruptible+0x700/0x700
[  676.060551]  ext4_filemap_fault+0x82/0xad
[  676.064696]  __do_fault+0x100/0x6b0
[  676.068334]  ? find_held_lock+0x36/0x1c0
[  676.072393]  ? pmd_devmap_trans_unstable+0x220/0x220
[  676.077496]  ? mark_held_locks+0x130/0x130
[  676.081726]  ? mark_held_locks+0x130/0x130
[  676.085967]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  676.091527]  __handle_mm_fault+0x3ea0/0x5be0
[  676.095930]  ? perf_trace_lock+0x7a0/0x7a0
[  676.100174]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  676.105021]  ? __switch_to_asm+0x34/0x70
[  676.109106]  ? __switch_to_asm+0x34/0x70
[  676.113179]  ? zap_class+0x640/0x640
[  676.116908]  ? zap_class+0x640/0x640
[  676.120617]  ? __x64_sys_futex+0x53e/0x6a0
[  676.124849]  ? find_held_lock+0x36/0x1c0
[  676.128916]  ? handle_mm_fault+0x42a/0xc70
[  676.133167]  ? lock_downgrade+0x900/0x900
[  676.137315]  ? check_preemption_disabled+0x48/0x280
[  676.142333]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  676.147273]  ? kasan_check_read+0x11/0x20
[  676.151416]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  676.156698]  ? rcu_softirq_qs+0x20/0x20
[  676.160679]  ? trace_hardirqs_off_caller+0x310/0x310
[  676.165787]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  676.171323]  ? check_preemption_disabled+0x48/0x280
[  676.176376]  handle_mm_fault+0x54f/0xc70
[  676.180435]  ? __handle_mm_fault+0x5be0/0x5be0
[  676.185016]  ? find_vma+0x34/0x190
[  676.188556]  __do_page_fault+0x5e8/0xe60
[  676.192613]  ? trace_hardirqs_off+0xb8/0x310
[  676.197027]  do_page_fault+0xf2/0x7e0
[  676.200845]  ? vmalloc_sync_all+0x30/0x30
[  676.205008]  ? error_entry+0x70/0xd0
[  676.208723]  ? trace_hardirqs_off_caller+0xbb/0x310
[  676.213737]  ? trace_hardirqs_on_caller+0xc0/0x310
[  676.218664]  ? syscall_return_slowpath+0x5e0/0x5e0
[  676.223609]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  676.228452]  ? trace_hardirqs_on_caller+0x310/0x310
[  676.233465]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  676.238919]  ? prepare_exit_to_usermode+0x291/0x3b0
[  676.243934]  ? page_fault+0x8/0x30
[  676.247474]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  676.252312]  ? page_fault+0x8/0x30
[  676.255853]  page_fault+0x1e/0x30
[  676.259303] RIP: 0033:0x40f9c0
[  676.262524] Code: Bad RIP value.
[  676.265880] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  676.271240] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  676.278507] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  676.285785] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  676.293051] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  676.300316] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  676.307609] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  676.307614] warn_alloc_show_mem: 1 callbacks suppressed
[  676.307620] Mem-Info:
[  676.314890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  676.320261] active_anon:54071 inactive_anon:192 isolated_anon:0
[  676.320261]  active_file:13 inactive_file:14 isolated_file:0
[  676.320261]  unevictable:0 dirty:0 writeback:0 unstable:0
[  676.320261]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  676.320261]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  676.320261]  free:13779 free_pcp:228 free_cma:0
[  676.322624] Call Trace:
[  676.332002] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  676.364842]  <IRQ>
[  676.367418] 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
[  676.394912]  dump_stack+0x244/0x39d
[  676.397030] lowmem_reserve[]: 0 2818 6321 6321
[  676.423149]  ? dump_stack_print_info.cold.1+0x20/0x20
[  676.426746] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  676.431332]  warn_alloc.cold.116+0xb7/0x1bd
[  676.436476] lowmem_reserve[]: 0 0 3503 3503
[  676.463972]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  676.468264] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  676.472576]  ? lock_downgrade+0x900/0x900
[  676.477386] lowmem_reserve[]: 0 0 0 0
[  676.506285]  ? trace_hardirqs_off+0xb8/0x310
[  676.510400] 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
[  676.514194]  ? trace_hardirqs_off+0xb8/0x310
[  676.518574] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  676.532114]  __alloc_pages_slowpath+0x2651/0x2de0
[  676.536488] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  676.552369]  ? warn_alloc+0x120/0x120
[  676.557169] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  676.572757]  ? print_usage_bug+0xc0/0xc0
[  676.576533] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  676.585352]  ? warn_alloc+0x120/0x120
[  676.589385] 271 total pagecache pages
[  676.597967]  ? warn_alloc+0x120/0x120
[  676.601748] 0 pages in swap cache
[  676.605528]  ? print_usage_bug+0xc0/0xc0
[  676.609302] Swap cache stats: add 0, delete 0, find 0/0
[  676.612739]  ? kvm_clock_read+0x18/0x30
[  676.616958] Free swap  = 0kB
[  676.622309]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  676.626255] Total swap = 0kB
[  676.629261]  ? print_usage_bug+0xc0/0xc0
[  676.634248] 1965979 pages RAM
[  676.637255]  ? __lock_acquire+0x62f/0x4c20
[  676.641281] 0 pages HighMem/MovableOnly
[  676.641288] 342854 pages reserved
[  676.644383]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  676.648588] 0 pages cma reserved
[  676.652556]  ? should_fail+0x22d/0xd01
[  676.656500] aoe: skb alloc failure
[  676.661992]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  676.662016]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  676.665400] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  676.669240]  ? __lock_acquire+0x62f/0x4c20
[  676.672751] syz-fuzzer cpuset=/ mems_allowed=0
[  676.678017]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  676.707182]  ? __lock_acquire+0x62f/0x4c20
[  676.711416]  ? should_fail+0x22d/0xd01
[  676.715296]  ? rcu_irq_exit+0x1a2/0x390
[  676.719284]  ? mark_held_locks+0x130/0x130
[  676.723523]  ? mark_held_locks+0x130/0x130
[  676.727772]  ? mark_held_locks+0xc7/0x130
[  676.731915]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  676.736938]  ? zap_class+0x640/0x640
[  676.740646]  ? print_usage_bug+0xc0/0xc0
[  676.744711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.750248]  ? check_preemption_disabled+0x48/0x280
[  676.755266]  ? __lock_is_held+0xb5/0x140
[  676.759330]  __alloc_pages_nodemask+0xad8/0xea0
[  676.763997]  ? zap_class+0x640/0x640
[  676.767709]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  676.772729]  ? find_held_lock+0x36/0x1c0
[  676.776803]  ? ____cache_alloc_node+0x1c7/0x1e0
[  676.781469]  ? lock_downgrade+0x900/0x900
[  676.785617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.791162]  cache_grow_begin+0xa5/0x8c0
[  676.795217]  ? do_raw_spin_unlock+0xa7/0x330
[  676.799644]  fallback_alloc+0x204/0x2e0
[  676.803623]  ____cache_alloc_node+0x1c7/0x1e0
[  676.808119]  kmem_cache_alloc_node+0xe3/0x730
[  676.812618]  ? ipv6_get_ifaddr+0x42e/0x620
[  676.816858]  __alloc_skb+0x119/0x770
[  676.820564]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  676.826321]  ? netdev_alloc_frag+0x1f0/0x1f0
[  676.830748]  ? lock_downgrade+0x900/0x900
[  676.834916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.840452]  ? refcount_sub_and_test_checked+0x203/0x310
[  676.845902]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  676.851361]  ? addrconf_rs_timer+0x690/0x690
[  676.855810]  ndisc_alloc_skb+0x144/0x340
[  676.859887]  ndisc_send_rs+0x331/0x6e0
[  676.863777]  addrconf_rs_timer+0x314/0x690
[  676.868026]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  676.872284]  call_timer_fn+0x272/0x920
[  676.876169]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  676.880416]  ? process_timeout+0x40/0x40
[  676.884484]  ? __run_timers+0x7da/0xc70
[  676.888458]  ? _raw_spin_unlock_irq+0x27/0x80
[  676.892960]  ? _raw_spin_unlock_irq+0x27/0x80
[  676.897539]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  676.901773]  ? lockdep_hardirqs_on+0x296/0x5b0
[  676.906354]  ? trace_hardirqs_on+0xbd/0x310
[  676.910681]  ? kasan_check_read+0x11/0x20
[  676.914821]  ? __run_timers+0x7da/0xc70
[  676.918794]  ? trace_hardirqs_off_caller+0x310/0x310
[  676.923900]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  676.928142]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  676.932373]  __run_timers+0x7e5/0xc70
[  676.936199]  ? timer_fixup_init+0x70/0x70
[  676.940345]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  676.945360]  ? zap_class+0x640/0x640
[  676.949073]  ? enqueue_hrtimer+0x1a5/0x560
[  676.953303]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  676.958496]  ? find_held_lock+0x36/0x1c0
[  676.962559]  ? zap_class+0x640/0x640
[  676.966274]  ? pvclock_read_flags+0x160/0x160
[  676.970771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.976309]  ? check_preemption_disabled+0x48/0x280
[  676.981348]  ? __lock_is_held+0xb5/0x140
[  676.985406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.990939]  ? check_preemption_disabled+0x48/0x280
[  676.995953]  run_timer_softirq+0x52/0xb0
[  677.000011]  ? rcu_read_lock_sched_held+0x14f/0x180
[  677.005028]  __do_softirq+0x308/0xb7e
[  677.008832]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  677.013331]  ? lock_downgrade+0x900/0x900
[  677.017482]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  677.022589]  ? pvclock_read_flags+0x160/0x160
[  677.027081]  ? lapic_next_event+0x5a/0x90
[  677.031240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.036777]  ? kvm_clock_read+0x18/0x30
[  677.040746]  ? kvm_sched_clock_read+0x9/0x20
[  677.045159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.050696]  ? check_preemption_disabled+0x48/0x280
[  677.055715]  irq_exit+0x17f/0x1c0
[  677.059165]  smp_apic_timer_interrupt+0x1cb/0x760
[  677.064025]  ? smp_reschedule_interrupt+0x109/0x650
[  677.069150]  ? smp_call_function_single_interrupt+0x650/0x650
[  677.075033]  ? interrupt_entry+0xb5/0xc0
[  677.079104]  ? trace_hardirqs_off_caller+0xbb/0x310
[  677.084138]  ? trace_hardirqs_off_caller+0xbb/0x310
[  677.089162]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  677.094001]  ? trace_hardirqs_on_caller+0x310/0x310
[  677.099016]  ? trace_hardirqs_on_caller+0x310/0x310
[  677.104042]  ? task_prio+0x50/0x50
[  677.107580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.113117]  ? check_preemption_disabled+0x48/0x280
[  677.118147]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  677.122994]  apic_timer_interrupt+0xf/0x20
[  677.127222]  </IRQ>
[  677.129456] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  677.134408] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  677.153301] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  677.161000] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  677.168263] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  677.175524] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  677.182786] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  677.190050] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  677.197350]  skb_clone+0x1bb/0x500
[  677.200890]  ? finish_task_switch+0x1b4/0x910
[  677.205388]  ? skb_split+0x11e0/0x11e0
[  677.209283]  ? preempt_notifier_register+0x200/0x200
[  677.214383]  ? __switch_to_asm+0x34/0x70
[  677.218445]  ? __switch_to_asm+0x34/0x70
[  677.222504]  ? __switch_to_asm+0x40/0x70
[  677.226560]  ? __switch_to_asm+0x34/0x70
[  677.230616]  ? __switch_to_asm+0x40/0x70
[  677.234675]  ? __switch_to_asm+0x34/0x70
[  677.238732]  ? __switch_to_asm+0x40/0x70
[  677.242791]  ? __switch_to_asm+0x34/0x70
[  677.246847]  ? __switch_to_asm+0x34/0x70
[  677.250905]  ? __switch_to_asm+0x40/0x70
[  677.254976]  ? __switch_to_asm+0x34/0x70
[  677.259036]  bpf_clone_redirect+0xb9/0x490
[  677.263266]  ? __schedule+0x8d7/0x21d0
[  677.267161]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  677.272175]  ? __sched_text_start+0x8/0x8
[  677.276321]  ? retint_kernel+0x2d/0x2d
[  677.280300]  ? find_held_lock+0x36/0x1c0
[  677.284363]  ? lock_acquire+0x1ed/0x520
[  677.288335]  ? bpf_test_run+0x3cb/0x780
[  677.292305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.297838]  ? check_preemption_disabled+0x48/0x280
[  677.302857]  ? kasan_check_read+0x11/0x20
[  677.307000]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  677.312274]  ? rcu_softirq_qs+0x20/0x20
[  677.316246]  ? preempt_schedule+0x4d/0x60
[  677.320391]  ? ___preempt_schedule+0x16/0x18
[  677.324806]  ? bpf_test_run+0x25d/0x780
[  677.328792]  ? netlink_diag_dump+0x2a0/0x2a0
[  677.333204]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  677.338735]  ? bpf_test_init.isra.10+0x70/0x100
[  677.343404]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  677.348167]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  677.353002]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  677.358538]  ? fput+0x130/0x1a0
[  677.361824]  ? __bpf_prog_get+0x9b/0x290
[  677.365887]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  677.370725]  ? bpf_prog_test_run+0x130/0x1a0
[  677.375141]  ? __x64_sys_bpf+0x3db/0x520
[  677.379198]  ? bpf_prog_get+0x20/0x20
[  677.383015]  ? do_syscall_64+0x1b9/0x820
[  677.387069]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  677.392432]  ? syscall_return_slowpath+0x5e0/0x5e0
[  677.397393]  ? trace_hardirqs_on_caller+0x310/0x310
[  677.402406]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  677.407431]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  677.414090]  ? __switch_to_asm+0x40/0x70
[  677.418154]  ? __switch_to_asm+0x34/0x70
[  677.422222]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  677.427066]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  677.432464] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  677.432547] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  677.439482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  677.439490] Call Trace:
[  677.446069] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  677.455299]  <IRQ>
[  677.457862] syz-executor5 cpuset=syz5 mems_allowed=0
[  677.468339]  dump_stack+0x244/0x39d
[  677.479185]  ? dump_stack_print_info.cold.1+0x20/0x20
[  677.484398]  warn_alloc.cold.116+0xb7/0x1bd
[  677.488827]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  677.493694]  ? lock_downgrade+0x900/0x900
[  677.497846]  ? trace_hardirqs_off+0xb8/0x310
[  677.502257]  ? trace_hardirqs_off+0xb8/0x310
[  677.506682]  __alloc_pages_slowpath+0x2651/0x2de0
[  677.511542]  ? warn_alloc+0x120/0x120
[  677.515351]  ? warn_alloc+0x120/0x120
[  677.519152]  ? __lock_acquire+0x62f/0x4c20
[  677.523390]  ? warn_alloc+0x120/0x120
[  677.527192]  ? print_usage_bug+0xc0/0xc0
[  677.531248]  ? print_usage_bug+0xc0/0xc0
[  677.535308]  ? mark_held_locks+0x130/0x130
[  677.539563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  677.545197]  ? should_fail+0x22d/0xd01
[  677.549077]  ? zap_class+0x640/0x640
[  677.552791]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  677.557889]  ? __lock_acquire+0x62f/0x4c20
[  677.562135]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  677.567244]  ? should_fail+0x22d/0xd01
[  677.571142]  ? mark_held_locks+0x130/0x130
[  677.575380]  ? mark_held_locks+0x130/0x130
[  677.579609]  ? lock_downgrade+0x900/0x900
[  677.583752]  ? zap_class+0x640/0x640
[  677.587460]  ? zap_class+0x640/0x640
[  677.591173]  ? zap_class+0x640/0x640
[  677.594879]  ? do_raw_spin_unlock+0xa7/0x330
[  677.599282]  ? trace_hardirqs_on+0x310/0x310
[  677.603685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.609219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.614754]  ? check_preemption_disabled+0x48/0x280
[  677.619776]  ? __lock_is_held+0xb5/0x140
[  677.623840]  __alloc_pages_nodemask+0xad8/0xea0
[  677.628502]  ? zap_class+0x640/0x640
[  677.632257]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  677.637275]  ? find_held_lock+0x36/0x1c0
[  677.641341]  ? ____cache_alloc_node+0x1c7/0x1e0
[  677.646005]  ? lock_downgrade+0x900/0x900
[  677.650169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.655708]  cache_grow_begin+0xa5/0x8c0
[  677.659760]  ? do_raw_spin_unlock+0xa7/0x330
[  677.664175]  fallback_alloc+0x204/0x2e0
[  677.668174]  ____cache_alloc_node+0x1c7/0x1e0
[  677.672684]  kmem_cache_alloc_node+0xe3/0x730
[  677.677177]  ? lockdep_hardirqs_on+0x296/0x5b0
[  677.681769]  __alloc_skb+0x119/0x770
[  677.685478]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  677.690839]  ? netdev_alloc_frag+0x1f0/0x1f0
[  677.695255]  ? vprintk_default+0x28/0x30
[  677.699313]  ? vprintk_func+0x85/0x181
[  677.703195]  ? printk+0xa7/0xcf
[  677.706485]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  677.711244]  ? do_raw_spin_trylock+0x270/0x270
[  677.715825]  new_skb+0x26/0x1c0
[  677.719100]  aoecmd_cfg+0x279/0x7f0
[  677.722732]  ? find_held_lock+0x36/0x1c0
[  677.726801]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  677.731131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.736681]  ? __lock_is_held+0xb5/0x140
[  677.740749]  discover_timer+0x50/0x60
[  677.744545]  call_timer_fn+0x272/0x920
[  677.748428]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  677.753268]  ? process_timeout+0x40/0x40
[  677.757334]  ? mark_held_locks+0xc7/0x130
[  677.761479]  ? _raw_spin_unlock_irq+0x27/0x80
[  677.765970]  ? _raw_spin_unlock_irq+0x27/0x80
[  677.770461]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  677.775297]  ? lockdep_hardirqs_on+0x296/0x5b0
[  677.779876]  ? trace_hardirqs_on+0xbd/0x310
[  677.784193]  ? kasan_check_read+0x11/0x20
[  677.788333]  ? __run_timers+0x7da/0xc70
[  677.792306]  ? trace_hardirqs_off_caller+0x310/0x310
[  677.797435]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  677.802273]  __run_timers+0x7e5/0xc70
[  677.806077]  ? timer_fixup_init+0x70/0x70
[  677.810227]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  677.815240]  ? zap_class+0x640/0x640
[  677.818952]  ? print_usage_bug+0xc0/0xc0
[  677.823017]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  677.828209]  ? find_held_lock+0x36/0x1c0
[  677.832271]  ? zap_class+0x640/0x640
[  677.835986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.841534]  ? check_preemption_disabled+0x48/0x280
[  677.846551]  ? __lock_is_held+0xb5/0x140
[  677.850609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.856142]  ? check_preemption_disabled+0x48/0x280
[  677.861164]  run_timer_softirq+0x52/0xb0
[  677.865218]  ? rcu_read_lock_sched_held+0x14f/0x180
[  677.870230]  __do_softirq+0x308/0xb7e
[  677.874040]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  677.878559]  ? lock_downgrade+0x900/0x900
[  677.882712]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  677.887836]  ? pvclock_read_flags+0x160/0x160
[  677.892328]  ? lapic_next_event+0x5a/0x90
[  677.896472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.902011]  ? kvm_clock_read+0x18/0x30
[  677.905984]  ? kvm_sched_clock_read+0x9/0x20
[  677.910485]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  677.916021]  ? check_preemption_disabled+0x48/0x280
[  677.921073]  irq_exit+0x17f/0x1c0
[  677.924525]  smp_apic_timer_interrupt+0x1cb/0x760
[  677.929361]  ? smp_reschedule_interrupt+0x109/0x650
[  677.934375]  ? smp_call_function_single_interrupt+0x650/0x650
[  677.940255]  ? interrupt_entry+0xb5/0xc0
[  677.944318]  ? trace_hardirqs_off_caller+0xbb/0x310
[  677.949327]  ? trace_hardirqs_off_caller+0xbb/0x310
[  677.954424]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  677.959433]  ? trace_hardirqs_on_caller+0x310/0x310
[  677.964443]  ? trace_hardirqs_on_caller+0x310/0x310
[  677.969452]  ? task_prio+0x50/0x50
[  677.973022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.978570]  ? check_preemption_disabled+0x48/0x280
[  677.983605]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  677.988449]  apic_timer_interrupt+0xf/0x20
[  677.992703]  </IRQ>
[  677.994945] RIP: 0010:dump_stack+0x358/0x39d
[  677.999356] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  678.018255] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  678.025956] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  678.033224] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  678.040505] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  678.047769] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  678.055030] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  678.062310]  ? dump_stack+0x34f/0x39d
[  678.066124]  ? dump_stack_print_info.cold.1+0x20/0x20
[  678.071313]  ? mark_held_locks+0x130/0x130
[  678.075542]  ? mark_held_locks+0x130/0x130
[  678.079780]  dump_header+0x27b/0xf72
[  678.083498]  ? pagefault_out_of_memory+0x197/0x197
[  678.088429]  ? __lock_acquire+0x62f/0x4c20
[  678.092766]  ? percpu_ref_get_many+0x240/0x240
[  678.097344]  ? print_usage_bug+0xc0/0xc0
[  678.101414]  ? zap_class+0x640/0x640
[  678.105129]  ? print_usage_bug+0xc0/0xc0
[  678.109203]  ? print_usage_bug+0xc0/0xc0
[  678.113275]  ? zap_class+0x640/0x640
[  678.116984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.122522]  ? find_held_lock+0x36/0x1c0
[  678.126584]  ? mark_held_locks+0xc7/0x130
[  678.130726]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  678.135819]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  678.140916]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  678.145586]  ? trace_hardirqs_on+0xbd/0x310
[  678.150015]  ? kasan_check_read+0x11/0x20
[  678.154165]  ? ___ratelimit+0x3b4/0x672
[  678.158137]  ? trace_hardirqs_off_caller+0x310/0x310
[  678.163240]  ? trace_hardirqs_on+0x310/0x310
[  678.167641]  ? lock_downgrade+0x900/0x900
[  678.171789]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  678.176904]  ? ___ratelimit+0x3b9/0x672
[  678.180874]  ? idr_get_free+0xf70/0xf70
[  678.184844]  ? find_held_lock+0x36/0x1c0
[  678.188909]  oom_kill_process.cold.27+0x10/0x903
[  678.193674]  ? zap_class+0x640/0x640
[  678.197380]  ? check_preemption_disabled+0x48/0x280
[  678.202395]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  678.207321]  ? kasan_check_read+0x11/0x20
[  678.211463]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  678.216739]  ? oom_evaluate_task+0x540/0x540
[  678.221153]  ? find_held_lock+0x36/0x1c0
[  678.225217]  ? out_of_memory+0x974/0x1430
[  678.229361]  ? lock_downgrade+0x900/0x900
[  678.233504]  ? check_preemption_disabled+0x48/0x280
[  678.238525]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  678.243454]  ? kasan_check_read+0x11/0x20
[  678.247595]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  678.252867]  ? rcu_softirq_qs+0x20/0x20
[  678.256838]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  678.262471]  ? oom_evaluate_task+0x302/0x540
[  678.266877]  out_of_memory+0xa84/0x1430
[  678.270853]  ? oom_killer_disable+0x3a0/0x3a0
[  678.275362]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  678.280291]  ? __ww_mutex_check_waiters+0x160/0x160
[  678.285318]  __alloc_pages_slowpath+0x232c/0x2de0
[  678.290187]  ? warn_alloc+0x120/0x120
[  678.293983]  ? mark_held_locks+0x130/0x130
[  678.298220]  ? find_get_entry+0xaae/0x1120
[  678.302459]  ? filemap_map_pages+0x1a20/0x1a20
[  678.307044]  ? zap_class+0x640/0x640
[  678.310857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.316490]  ? check_preemption_disabled+0x48/0x280
[  678.321624]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  678.327162]  ? should_fail+0x22d/0xd01
[  678.331050]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  678.336153]  ? zap_class+0x640/0x640
[  678.339880]  ? __lock_is_held+0xb5/0x140
[  678.343942]  ? mark_held_locks+0x130/0x130
[  678.348174]  ? lock_release+0xa00/0xa00
[  678.352147]  ? perf_trace_sched_process_exec+0x860/0x860
[  678.357590]  ? xa_load+0x2ba/0x460
[  678.361131]  ? lock_downgrade+0x900/0x900
[  678.365278]  ? __might_sleep+0x95/0x190
[  678.369251]  __alloc_pages_nodemask+0xad8/0xea0
[  678.373922]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  678.378934]  ? __page_cache_alloc+0x191/0x5c0
[  678.383424]  ? xa_load+0x2e1/0x460
[  678.386965]  ? xa_clear_mark+0x40/0x40
[  678.390859]  ? zap_class+0x640/0x640
[  678.394591]  ? zap_class+0x640/0x640
[  678.398307]  ? zap_class+0x640/0x640
[  678.402016]  ? zap_class+0x640/0x640
[  678.405725]  ? __do_page_cache_readahead+0x663/0x810
[  678.410828]  ? find_held_lock+0x36/0x1c0
[  678.414915]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  678.420477]  alloc_pages_current+0x173/0x350
[  678.424900]  __page_cache_alloc+0x38c/0x5c0
[  678.429218]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  678.434150]  ? kasan_check_read+0x11/0x20
[  678.438318]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  678.443609]  ? generic_perform_write+0x6a0/0x6a0
[  678.448367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  678.453903]  ? check_preemption_disabled+0x48/0x280
[  678.458923]  filemap_fault+0x1595/0x25f0
[  678.462997]  ? __lock_page_or_retry+0xa00/0xa00
[  678.467663]  ? mark_held_locks+0x130/0x130
[  678.471902]  ? filemap_map_pages+0xd6b/0x1a20
[  678.476393]  ? lock_downgrade+0x900/0x900
[  678.480541]  ? check_preemption_disabled+0x48/0x280
[  678.485552]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  678.490476]  ? kasan_check_read+0x11/0x20
[  678.494619]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  678.499892]  ? rcu_softirq_qs+0x20/0x20
[  678.503883]  ? filemap_map_pages+0xd92/0x1a20
[  678.508399]  ? queue_work_on+0x12c/0x1e0
[  678.512457]  ? find_get_entries_tag+0x1400/0x1400
[  678.517296]  ? debug_object_destroy+0x2b0/0x2b0
[  678.521965]  ? lock_pi_update_atomic+0x150/0x150
[  678.526714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.532258]  ? lock_acquire+0x1ed/0x520
[  678.536242]  ? ext4_filemap_fault+0x7a/0xad
[  678.540654]  ? lock_release+0xa00/0xa00
[  678.544620]  ? perf_trace_sched_process_exec+0x860/0x860
[  678.550064]  ? print_usage_bug+0xc0/0xc0
[  678.554138]  ? print_usage_bug+0xc0/0xc0
[  678.558319]  ? down_read+0x8d/0x120
[  678.561944]  ? ext4_filemap_fault+0x7a/0xad
[  678.566287]  ? __down_interruptible+0x700/0x700
[  678.570975]  ext4_filemap_fault+0x82/0xad
[  678.575124]  __do_fault+0x100/0x6b0
[  678.578756]  ? find_held_lock+0x36/0x1c0
[  678.582824]  ? pmd_devmap_trans_unstable+0x220/0x220
[  678.587922]  ? mark_held_locks+0x130/0x130
[  678.592158]  ? mark_held_locks+0x130/0x130
[  678.596401]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  678.601936]  __handle_mm_fault+0x3ea0/0x5be0
[  678.606356]  ? perf_trace_lock+0x7a0/0x7a0
[  678.610609]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  678.615451]  ? __switch_to_asm+0x34/0x70
[  678.619507]  ? __switch_to_asm+0x34/0x70
[  678.623582]  ? zap_class+0x640/0x640
[  678.627302]  ? zap_class+0x640/0x640
[  678.631012]  ? __x64_sys_futex+0x53e/0x6a0
[  678.635248]  ? find_held_lock+0x36/0x1c0
[  678.639332]  ? handle_mm_fault+0x42a/0xc70
[  678.643562]  ? lock_downgrade+0x900/0x900
[  678.647794]  ? check_preemption_disabled+0x48/0x280
[  678.652822]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  678.658228]  ? kasan_check_read+0x11/0x20
[  678.662385]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  678.667662]  ? rcu_softirq_qs+0x20/0x20
[  678.671637]  ? trace_hardirqs_off_caller+0x310/0x310
[  678.676741]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  678.682281]  ? check_preemption_disabled+0x48/0x280
[  678.687302]  handle_mm_fault+0x54f/0xc70
[  678.691358]  ? __handle_mm_fault+0x5be0/0x5be0
[  678.695938]  ? find_vma+0x34/0x190
[  678.699476]  __do_page_fault+0x5e8/0xe60
[  678.703530]  ? trace_hardirqs_off+0xb8/0x310
[  678.707956]  do_page_fault+0xf2/0x7e0
[  678.711750]  ? vmalloc_sync_all+0x30/0x30
[  678.715893]  ? error_entry+0x70/0xd0
[  678.719608]  ? trace_hardirqs_off_caller+0xbb/0x310
[  678.724620]  ? trace_hardirqs_on_caller+0xc0/0x310
[  678.729550]  ? syscall_return_slowpath+0x5e0/0x5e0
[  678.734476]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  678.739318]  ? trace_hardirqs_on_caller+0x310/0x310
[  678.744328]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  678.749782]  ? prepare_exit_to_usermode+0x291/0x3b0
[  678.754792]  ? page_fault+0x8/0x30
[  678.758331]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  678.763172]  ? page_fault+0x8/0x30
[  678.766709]  page_fault+0x1e/0x30
[  678.770161] RIP: 0033:0x40f9c0
[  678.773379] Code: Bad RIP value.
[  678.776734] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  678.782098] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  678.789378] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  678.796640] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  678.803908] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  678.811168] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  678.818465] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  678.818470] warn_alloc_show_mem: 1 callbacks suppressed
[  678.818476] Mem-Info:
[  678.826257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  678.831728] active_anon:54071 inactive_anon:192 isolated_anon:0
[  678.831728]  active_file:13 inactive_file:14 isolated_file:0
[  678.831728]  unevictable:0 dirty:0 writeback:0 unstable:0
[  678.831728]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  678.831728]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  678.831728]  free:13779 free_pcp:228 free_cma:0
[  678.834103] Call Trace:
[  678.843484] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  678.876326]  <IRQ>
[  678.878890] 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
[  678.906389]  dump_stack+0x244/0x39d
[  678.908500] lowmem_reserve[]: 0 2818 6321 6321
[  678.934603]  ? dump_stack_print_info.cold.1+0x20/0x20
[  678.938198] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  678.942783]  warn_alloc.cold.116+0xb7/0x1bd
[  678.947940] lowmem_reserve[]: 0 0 3503 3503
[  678.975460]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  678.979752] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  678.984065]  ? lock_downgrade+0x900/0x900
[  678.988880] lowmem_reserve[]: 0 0 0 0
[  679.017763]  ? trace_hardirqs_off+0xb8/0x310
[  679.021882] 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
[  679.025675]  ? trace_hardirqs_off+0xb8/0x310
[  679.030047] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  679.043572]  __alloc_pages_slowpath+0x2651/0x2de0
[  679.047950] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  679.063831]  ? warn_alloc+0x120/0x120
[  679.068630] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  679.068655] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  679.084245]  ? print_usage_bug+0xc0/0xc0
[  679.088017] 271 total pagecache pages
[  679.096855]  ? warn_alloc+0x120/0x120
[  679.105410] 0 pages in swap cache
[  679.109450]  ? warn_alloc+0x120/0x120
[  679.113224] Swap cache stats: add 0, delete 0, find 0/0
[  679.117025]  ? print_usage_bug+0xc0/0xc0
[  679.120456] Free swap  = 0kB
[  679.124245]  ? kvm_clock_read+0x18/0x30
[  679.129581] Total swap = 0kB
[  679.133634]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  679.136621] 1965979 pages RAM
[  679.136628] 0 pages HighMem/MovableOnly
[  679.140588]  ? print_usage_bug+0xc0/0xc0
[  679.143576] 342854 pages reserved
[  679.143583] 0 pages cma reserved
[  679.148585]  ? __lock_acquire+0x62f/0x4c20
[  679.151726] aoe: skb alloc failure
[  679.155631]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  679.159688] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  679.163106]  ? should_fail+0x22d/0xd01
[  679.166447] syz-fuzzer cpuset=/ mems_allowed=0
[  679.170670]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  679.203430]  ? __lock_acquire+0x62f/0x4c20
[  679.207663]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  679.212761]  ? __lock_acquire+0x62f/0x4c20
[  679.216988]  ? should_fail+0x22d/0xd01
[  679.220881]  ? mark_held_locks+0x130/0x130
[  679.225118]  ? mark_held_locks+0x130/0x130
[  679.229357]  ? zap_class+0x640/0x640
[  679.233073]  ? print_usage_bug+0xc0/0xc0
[  679.237142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.242697]  ? check_preemption_disabled+0x48/0x280
[  679.247819]  ? __lock_is_held+0xb5/0x140
[  679.251882]  __alloc_pages_nodemask+0xad8/0xea0
[  679.256545]  ? zap_class+0x640/0x640
[  679.260383]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  679.265419]  ? find_held_lock+0x36/0x1c0
[  679.269495]  ? ____cache_alloc_node+0x1c7/0x1e0
[  679.274162]  ? lock_downgrade+0x900/0x900
[  679.278314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.283853]  cache_grow_begin+0xa5/0x8c0
[  679.287922]  ? do_raw_spin_unlock+0xa7/0x330
[  679.292332]  fallback_alloc+0x204/0x2e0
[  679.296309]  ____cache_alloc_node+0x1c7/0x1e0
[  679.300805]  kmem_cache_alloc_node+0xe3/0x730
[  679.305302]  ? ipv6_get_ifaddr+0x42e/0x620
[  679.309546]  __alloc_skb+0x119/0x770
[  679.313255]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  679.318551]  ? netdev_alloc_frag+0x1f0/0x1f0
[  679.322958]  ? lock_downgrade+0x900/0x900
[  679.327197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.332823]  ? refcount_sub_and_test_checked+0x203/0x310
[  679.338273]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  679.343735]  ? addrconf_rs_timer+0x690/0x690
[  679.348154]  ndisc_alloc_skb+0x144/0x340
[  679.352214]  ndisc_send_rs+0x331/0x6e0
[  679.356110]  addrconf_rs_timer+0x314/0x690
[  679.360347]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  679.364591]  call_timer_fn+0x272/0x920
[  679.368480]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  679.372714]  ? process_timeout+0x40/0x40
[  679.376777]  ? __run_timers+0x7da/0xc70
[  679.380751]  ? _raw_spin_unlock_irq+0x27/0x80
[  679.385245]  ? _raw_spin_unlock_irq+0x27/0x80
[  679.389737]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  679.393968]  ? lockdep_hardirqs_on+0x296/0x5b0
[  679.398549]  ? trace_hardirqs_on+0xbd/0x310
[  679.402865]  ? kasan_check_read+0x11/0x20
[  679.407005]  ? __run_timers+0x7da/0xc70
[  679.410977]  ? trace_hardirqs_off_caller+0x310/0x310
[  679.416100]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  679.420326]  __run_timers+0x7e5/0xc70
[  679.424138]  ? timer_fixup_init+0x70/0x70
[  679.428285]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  679.433299]  ? zap_class+0x640/0x640
[  679.437026]  ? enqueue_hrtimer+0x1a5/0x560
[  679.441255]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  679.446448]  ? find_held_lock+0x36/0x1c0
[  679.450508]  ? zap_class+0x640/0x640
[  679.454325]  ? pvclock_read_flags+0x160/0x160
[  679.458820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.464457]  ? check_preemption_disabled+0x48/0x280
[  679.469485]  ? __lock_is_held+0xb5/0x140
[  679.473542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.479085]  ? check_preemption_disabled+0x48/0x280
[  679.484108]  run_timer_softirq+0x52/0xb0
[  679.488166]  ? rcu_read_lock_sched_held+0x14f/0x180
[  679.493179]  __do_softirq+0x308/0xb7e
[  679.496981]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  679.501472]  ? lock_downgrade+0x900/0x900
[  679.505627]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  679.510748]  ? pvclock_read_flags+0x160/0x160
[  679.515244]  ? lapic_next_event+0x5a/0x90
[  679.519391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.525032]  ? kvm_clock_read+0x18/0x30
[  679.529012]  ? kvm_sched_clock_read+0x9/0x20
[  679.533418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.538955]  ? check_preemption_disabled+0x48/0x280
[  679.543975]  irq_exit+0x17f/0x1c0
[  679.547429]  smp_apic_timer_interrupt+0x1cb/0x760
[  679.552268]  ? smp_reschedule_interrupt+0x109/0x650
[  679.557288]  ? smp_call_function_single_interrupt+0x650/0x650
[  679.563168]  ? interrupt_entry+0xb5/0xc0
[  679.567245]  ? trace_hardirqs_off_caller+0xbb/0x310
[  679.572259]  ? trace_hardirqs_off_caller+0xbb/0x310
[  679.577277]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  679.582118]  ? trace_hardirqs_on_caller+0x310/0x310
[  679.587132]  ? trace_hardirqs_on_caller+0x310/0x310
[  679.592160]  ? task_prio+0x50/0x50
[  679.595695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.601227]  ? check_preemption_disabled+0x48/0x280
[  679.606258]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  679.611113]  apic_timer_interrupt+0xf/0x20
[  679.615338]  </IRQ>
[  679.617572] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  679.622499] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  679.641393] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  679.649097] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  679.656364] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  679.663633] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  679.670908] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  679.678174] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  679.685577]  skb_clone+0x1bb/0x500
[  679.689117]  ? finish_task_switch+0x1b4/0x910
[  679.693781]  ? skb_split+0x11e0/0x11e0
[  679.697667]  ? preempt_notifier_register+0x200/0x200
[  679.702765]  ? __switch_to_asm+0x34/0x70
[  679.706822]  ? __switch_to_asm+0x34/0x70
[  679.710876]  ? __switch_to_asm+0x40/0x70
[  679.714934]  ? __switch_to_asm+0x34/0x70
[  679.718986]  ? __switch_to_asm+0x40/0x70
[  679.723042]  ? __switch_to_asm+0x34/0x70
[  679.727101]  ? __switch_to_asm+0x40/0x70
[  679.731177]  ? __switch_to_asm+0x34/0x70
[  679.735238]  ? __switch_to_asm+0x34/0x70
[  679.739294]  ? __switch_to_asm+0x40/0x70
[  679.743349]  ? __switch_to_asm+0x34/0x70
[  679.747415]  bpf_clone_redirect+0xb9/0x490
[  679.751652]  ? __schedule+0x8d7/0x21d0
[  679.755541]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  679.760564]  ? __sched_text_start+0x8/0x8
[  679.764711]  ? retint_kernel+0x2d/0x2d
[  679.768609]  ? find_held_lock+0x36/0x1c0
[  679.772677]  ? lock_acquire+0x1ed/0x520
[  679.776652]  ? bpf_test_run+0x3cb/0x780
[  679.780628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.786163]  ? check_preemption_disabled+0x48/0x280
[  679.791202]  ? kasan_check_read+0x11/0x20
[  679.795346]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  679.800623]  ? rcu_softirq_qs+0x20/0x20
[  679.804595]  ? preempt_schedule+0x4d/0x60
[  679.808744]  ? ___preempt_schedule+0x16/0x18
[  679.813159]  ? bpf_test_run+0x25d/0x780
[  679.817144]  ? netlink_diag_dump+0x2a0/0x2a0
[  679.821550]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  679.827090]  ? bpf_test_init.isra.10+0x70/0x100
[  679.831764]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  679.836527]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  679.841366]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  679.846906]  ? fput+0x130/0x1a0
[  679.850187]  ? __bpf_prog_get+0x9b/0x290
[  679.854250]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  679.859094]  ? bpf_prog_test_run+0x130/0x1a0
[  679.863505]  ? __x64_sys_bpf+0x3db/0x520
[  679.867561]  ? bpf_prog_get+0x20/0x20
[  679.871464]  ? do_syscall_64+0x1b9/0x820
[  679.875528]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  679.880890]  ? syscall_return_slowpath+0x5e0/0x5e0
[  679.885817]  ? trace_hardirqs_on_caller+0x310/0x310
[  679.890831]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  679.895843]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  679.902505]  ? __switch_to_asm+0x40/0x70
[  679.906563]  ? __switch_to_asm+0x34/0x70
[  679.910629]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  679.915491]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  679.920874] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  679.920961] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  679.927893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  679.927898] Call Trace:
[  679.927904]  <IRQ>
[  679.927924]  dump_stack+0x244/0x39d
[  679.927947]  ? dump_stack_print_info.cold.1+0x20/0x20
[  679.934613] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  679.943907]  warn_alloc.cold.116+0xb7/0x1bd
[  679.946454] syz-executor5 cpuset=syz5 mems_allowed=0
[  679.948592]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  679.982092]  ? lock_downgrade+0x900/0x900
[  679.986254]  ? trace_hardirqs_off+0xb8/0x310
[  679.990665]  ? trace_hardirqs_off+0xb8/0x310
[  679.995084]  __alloc_pages_slowpath+0x2651/0x2de0
[  679.999955]  ? warn_alloc+0x120/0x120
[  680.003756]  ? warn_alloc+0x120/0x120
[  680.007554]  ? __lock_acquire+0x62f/0x4c20
[  680.011784]  ? warn_alloc+0x120/0x120
[  680.015584]  ? print_usage_bug+0xc0/0xc0
[  680.019765]  ? print_usage_bug+0xc0/0xc0
[  680.023823]  ? mark_held_locks+0x130/0x130
[  680.028071]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  680.033609]  ? should_fail+0x22d/0xd01
[  680.037500]  ? zap_class+0x640/0x640
[  680.041213]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  680.046313]  ? __lock_acquire+0x62f/0x4c20
[  680.050547]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  680.055643]  ? should_fail+0x22d/0xd01
[  680.059541]  ? mark_held_locks+0x130/0x130
[  680.063773]  ? mark_held_locks+0x130/0x130
[  680.068001]  ? lock_downgrade+0x900/0x900
[  680.072147]  ? zap_class+0x640/0x640
[  680.075863]  ? zap_class+0x640/0x640
[  680.079570]  ? zap_class+0x640/0x640
[  680.083277]  ? do_raw_spin_unlock+0xa7/0x330
[  680.087678]  ? trace_hardirqs_on+0x310/0x310
[  680.092087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.097623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.103155]  ? check_preemption_disabled+0x48/0x280
[  680.108178]  ? __lock_is_held+0xb5/0x140
[  680.112240]  __alloc_pages_nodemask+0xad8/0xea0
[  680.116904]  ? zap_class+0x640/0x640
[  680.120621]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  680.125659]  ? find_held_lock+0x36/0x1c0
[  680.129728]  ? ____cache_alloc_node+0x1c7/0x1e0
[  680.134395]  ? lock_downgrade+0x900/0x900
[  680.138541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.144091]  cache_grow_begin+0xa5/0x8c0
[  680.148239]  ? do_raw_spin_unlock+0xa7/0x330
[  680.152652]  fallback_alloc+0x204/0x2e0
[  680.156630]  ____cache_alloc_node+0x1c7/0x1e0
[  680.161125]  kmem_cache_alloc_node+0xe3/0x730
[  680.165615]  ? lockdep_hardirqs_on+0x296/0x5b0
[  680.170204]  __alloc_skb+0x119/0x770
[  680.173908]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  680.179273]  ? netdev_alloc_frag+0x1f0/0x1f0
[  680.183774]  ? vprintk_default+0x28/0x30
[  680.187829]  ? vprintk_func+0x85/0x181
[  680.191717]  ? printk+0xa7/0xcf
[  680.194989]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  680.199739]  ? do_raw_spin_trylock+0x270/0x270
[  680.204318]  new_skb+0x26/0x1c0
[  680.207595]  aoecmd_cfg+0x279/0x7f0
[  680.211216]  ? find_held_lock+0x36/0x1c0
[  680.215270]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  680.219607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.225167]  ? __lock_is_held+0xb5/0x140
[  680.229238]  discover_timer+0x50/0x60
[  680.233133]  call_timer_fn+0x272/0x920
[  680.237036]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  680.241877]  ? process_timeout+0x40/0x40
[  680.245938]  ? mark_held_locks+0xc7/0x130
[  680.250114]  ? _raw_spin_unlock_irq+0x27/0x80
[  680.254599]  ? _raw_spin_unlock_irq+0x27/0x80
[  680.259099]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  680.263940]  ? lockdep_hardirqs_on+0x296/0x5b0
[  680.268517]  ? trace_hardirqs_on+0xbd/0x310
[  680.272833]  ? kasan_check_read+0x11/0x20
[  680.276976]  ? __run_timers+0x7da/0xc70
[  680.280949]  ? trace_hardirqs_off_caller+0x310/0x310
[  680.286069]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  680.290909]  __run_timers+0x7e5/0xc70
[  680.294716]  ? timer_fixup_init+0x70/0x70
[  680.298864]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  680.303877]  ? zap_class+0x640/0x640
[  680.307606]  ? print_usage_bug+0xc0/0xc0
[  680.311666]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  680.316857]  ? find_held_lock+0x36/0x1c0
[  680.320918]  ? zap_class+0x640/0x640
[  680.324641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.330441]  ? check_preemption_disabled+0x48/0x280
[  680.335462]  ? __lock_is_held+0xb5/0x140
[  680.339519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.345051]  ? check_preemption_disabled+0x48/0x280
[  680.350082]  run_timer_softirq+0x52/0xb0
[  680.354160]  ? rcu_read_lock_sched_held+0x14f/0x180
[  680.359172]  __do_softirq+0x308/0xb7e
[  680.362970]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  680.367459]  ? lock_downgrade+0x900/0x900
[  680.371604]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  680.376715]  ? pvclock_read_flags+0x160/0x160
[  680.381211]  ? lapic_next_event+0x5a/0x90
[  680.385355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.390890]  ? kvm_clock_read+0x18/0x30
[  680.394883]  ? kvm_sched_clock_read+0x9/0x20
[  680.399288]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  680.404842]  ? check_preemption_disabled+0x48/0x280
[  680.409863]  irq_exit+0x17f/0x1c0
[  680.413316]  smp_apic_timer_interrupt+0x1cb/0x760
[  680.418150]  ? smp_reschedule_interrupt+0x109/0x650
[  680.423159]  ? smp_call_function_single_interrupt+0x650/0x650
[  680.429036]  ? interrupt_entry+0xb5/0xc0
[  680.433105]  ? trace_hardirqs_off_caller+0xbb/0x310
[  680.438115]  ? trace_hardirqs_off_caller+0xbb/0x310
[  680.443261]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  680.448111]  ? trace_hardirqs_on_caller+0x310/0x310
[  680.453123]  ? trace_hardirqs_on_caller+0x310/0x310
[  680.458134]  ? task_prio+0x50/0x50
[  680.461668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.467197]  ? check_preemption_disabled+0x48/0x280
[  680.472224]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  680.477076]  apic_timer_interrupt+0xf/0x20
[  680.481301]  </IRQ>
[  680.483535] RIP: 0010:dump_stack+0x358/0x39d
[  680.487950] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  680.506842] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  680.514546] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  680.521807] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  680.529075] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  680.536339] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  680.543600] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  680.550882]  ? dump_stack+0x34f/0x39d
[  680.554714]  ? dump_stack_print_info.cold.1+0x20/0x20
[  680.560001]  ? mark_held_locks+0x130/0x130
[  680.564273]  ? mark_held_locks+0x130/0x130
[  680.568515]  dump_header+0x27b/0xf72
[  680.572235]  ? pagefault_out_of_memory+0x197/0x197
[  680.577167]  ? __lock_acquire+0x62f/0x4c20
[  680.581495]  ? percpu_ref_get_many+0x240/0x240
[  680.586082]  ? print_usage_bug+0xc0/0xc0
[  680.590146]  ? zap_class+0x640/0x640
[  680.593855]  ? print_usage_bug+0xc0/0xc0
[  680.597912]  ? print_usage_bug+0xc0/0xc0
[  680.601973]  ? zap_class+0x640/0x640
[  680.605687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.611223]  ? find_held_lock+0x36/0x1c0
[  680.615286]  ? mark_held_locks+0xc7/0x130
[  680.619432]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  680.624526]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  680.629625]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  680.634218]  ? trace_hardirqs_on+0xbd/0x310
[  680.638533]  ? kasan_check_read+0x11/0x20
[  680.642675]  ? ___ratelimit+0x3b4/0x672
[  680.646642]  ? trace_hardirqs_off_caller+0x310/0x310
[  680.651739]  ? trace_hardirqs_on+0x310/0x310
[  680.656611]  ? lock_downgrade+0x900/0x900
[  680.660765]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  680.665862]  ? ___ratelimit+0x3b9/0x672
[  680.669831]  ? idr_get_free+0xf70/0xf70
[  680.673796]  ? find_held_lock+0x36/0x1c0
[  680.677860]  oom_kill_process.cold.27+0x10/0x903
[  680.682621]  ? zap_class+0x640/0x640
[  680.686349]  ? check_preemption_disabled+0x48/0x280
[  680.691374]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  680.696296]  ? kasan_check_read+0x11/0x20
[  680.700441]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  680.705716]  ? oom_evaluate_task+0x540/0x540
[  680.710126]  ? find_held_lock+0x36/0x1c0
[  680.714190]  ? out_of_memory+0x974/0x1430
[  680.718336]  ? lock_downgrade+0x900/0x900
[  680.722503]  ? check_preemption_disabled+0x48/0x280
[  680.727514]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  680.732437]  ? kasan_check_read+0x11/0x20
[  680.736580]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  680.741851]  ? rcu_softirq_qs+0x20/0x20
[  680.745823]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  680.751352]  ? oom_evaluate_task+0x302/0x540
[  680.755765]  out_of_memory+0xa84/0x1430
[  680.759745]  ? oom_killer_disable+0x3a0/0x3a0
[  680.764236]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  680.769167]  ? __ww_mutex_check_waiters+0x160/0x160
[  680.774193]  __alloc_pages_slowpath+0x232c/0x2de0
[  680.779066]  ? warn_alloc+0x120/0x120
[  680.782883]  ? mark_held_locks+0x130/0x130
[  680.787123]  ? find_get_entry+0xaae/0x1120
[  680.791359]  ? filemap_map_pages+0x1a20/0x1a20
[  680.795938]  ? zap_class+0x640/0x640
[  680.799652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.805792]  ? check_preemption_disabled+0x48/0x280
[  680.810801]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  680.816353]  ? should_fail+0x22d/0xd01
[  680.820240]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  680.825614]  ? zap_class+0x640/0x640
[  680.829349]  ? __lock_is_held+0xb5/0x140
[  680.833430]  ? mark_held_locks+0x130/0x130
[  680.837666]  ? lock_release+0xa00/0xa00
[  680.841639]  ? perf_trace_sched_process_exec+0x860/0x860
[  680.847089]  ? xa_load+0x2ba/0x460
[  680.850628]  ? lock_downgrade+0x900/0x900
[  680.854779]  ? __might_sleep+0x95/0x190
[  680.858758]  __alloc_pages_nodemask+0xad8/0xea0
[  680.863431]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  680.868443]  ? __page_cache_alloc+0x191/0x5c0
[  680.872932]  ? xa_load+0x2e1/0x460
[  680.876469]  ? xa_clear_mark+0x40/0x40
[  680.880354]  ? zap_class+0x640/0x640
[  680.884069]  ? zap_class+0x640/0x640
[  680.887785]  ? zap_class+0x640/0x640
[  680.891492]  ? zap_class+0x640/0x640
[  680.895202]  ? __do_page_cache_readahead+0x663/0x810
[  680.900301]  ? find_held_lock+0x36/0x1c0
[  680.904363]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  680.909902]  alloc_pages_current+0x173/0x350
[  680.914315]  __page_cache_alloc+0x38c/0x5c0
[  680.918632]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  680.923574]  ? kasan_check_read+0x11/0x20
[  680.927719]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  680.932996]  ? generic_perform_write+0x6a0/0x6a0
[  680.937749]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  680.943280]  ? check_preemption_disabled+0x48/0x280
[  680.948299]  filemap_fault+0x1595/0x25f0
[  680.952371]  ? __lock_page_or_retry+0xa00/0xa00
[  680.957037]  ? mark_held_locks+0x130/0x130
[  680.961286]  ? filemap_map_pages+0xd6b/0x1a20
[  680.965776]  ? lock_downgrade+0x900/0x900
[  680.969916]  ? check_preemption_disabled+0x48/0x280
[  680.974931]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  680.979856]  ? kasan_check_read+0x11/0x20
[  680.984015]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  680.989293]  ? rcu_softirq_qs+0x20/0x20
[  680.993275]  ? filemap_map_pages+0xd92/0x1a20
[  680.997772]  ? queue_work_on+0x12c/0x1e0
[  681.001856]  ? find_get_entries_tag+0x1400/0x1400
[  681.006700]  ? debug_object_destroy+0x2b0/0x2b0
[  681.011474]  ? lock_pi_update_atomic+0x150/0x150
[  681.016234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.021777]  ? lock_acquire+0x1ed/0x520
[  681.025750]  ? ext4_filemap_fault+0x7a/0xad
[  681.030078]  ? lock_release+0xa00/0xa00
[  681.034482]  ? perf_trace_sched_process_exec+0x860/0x860
[  681.039930]  ? print_usage_bug+0xc0/0xc0
[  681.043991]  ? print_usage_bug+0xc0/0xc0
[  681.048067]  ? down_read+0x8d/0x120
[  681.051691]  ? ext4_filemap_fault+0x7a/0xad
[  681.056012]  ? __down_interruptible+0x700/0x700
[  681.060691]  ext4_filemap_fault+0x82/0xad
[  681.064841]  __do_fault+0x100/0x6b0
[  681.068461]  ? find_held_lock+0x36/0x1c0
[  681.072519]  ? pmd_devmap_trans_unstable+0x220/0x220
[  681.077620]  ? mark_held_locks+0x130/0x130
[  681.081856]  ? mark_held_locks+0x130/0x130
[  681.086114]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  681.091649]  __handle_mm_fault+0x3ea0/0x5be0
[  681.096056]  ? perf_trace_lock+0x7a0/0x7a0
[  681.100312]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  681.105159]  ? __switch_to_asm+0x34/0x70
[  681.109214]  ? __switch_to_asm+0x34/0x70
[  681.113281]  ? zap_class+0x640/0x640
[  681.116987]  ? zap_class+0x640/0x640
[  681.120693]  ? __x64_sys_futex+0x53e/0x6a0
[  681.124924]  ? find_held_lock+0x36/0x1c0
[  681.128986]  ? handle_mm_fault+0x42a/0xc70
[  681.133214]  ? lock_downgrade+0x900/0x900
[  681.137373]  ? check_preemption_disabled+0x48/0x280
[  681.142385]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  681.147308]  ? kasan_check_read+0x11/0x20
[  681.151449]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  681.156732]  ? rcu_softirq_qs+0x20/0x20
[  681.160804]  ? trace_hardirqs_off_caller+0x310/0x310
[  681.165905]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  681.171458]  ? check_preemption_disabled+0x48/0x280
[  681.176473]  handle_mm_fault+0x54f/0xc70
[  681.180534]  ? __handle_mm_fault+0x5be0/0x5be0
[  681.185115]  ? find_vma+0x34/0x190
[  681.188654]  __do_page_fault+0x5e8/0xe60
[  681.192883]  ? trace_hardirqs_off+0xb8/0x310
[  681.197301]  do_page_fault+0xf2/0x7e0
[  681.201103]  ? vmalloc_sync_all+0x30/0x30
[  681.205247]  ? error_entry+0x70/0xd0
[  681.208972]  ? trace_hardirqs_off_caller+0xbb/0x310
[  681.213981]  ? trace_hardirqs_on_caller+0xc0/0x310
[  681.218904]  ? syscall_return_slowpath+0x5e0/0x5e0
[  681.223845]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  681.228681]  ? trace_hardirqs_on_caller+0x310/0x310
[  681.233694]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  681.239159]  ? prepare_exit_to_usermode+0x291/0x3b0
[  681.244169]  ? page_fault+0x8/0x30
[  681.247706]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  681.252544]  ? page_fault+0x8/0x30
[  681.256088]  page_fault+0x1e/0x30
[  681.259545] RIP: 0033:0x40f9c0
[  681.262750] Code: Bad RIP value.
[  681.266111] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  681.271467] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  681.278818] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  681.286087] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  681.293370] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  681.300634] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  681.307925] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  681.307930] warn_alloc_show_mem: 1 callbacks suppressed
[  681.307936] Mem-Info:
[  681.315202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  681.320567] active_anon:54071 inactive_anon:192 isolated_anon:0
[  681.320567]  active_file:13 inactive_file:14 isolated_file:0
[  681.320567]  unevictable:0 dirty:0 writeback:0 unstable:0
[  681.320567]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  681.320567]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  681.320567]  free:13779 free_pcp:228 free_cma:0
[  681.322936] Call Trace:
[  681.332313] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  681.365150]  <IRQ>
[  681.367716] 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
[  681.395210]  dump_stack+0x244/0x39d
[  681.397324] lowmem_reserve[]: 0 2818 6321 6321
[  681.423432]  ? dump_stack_print_info.cold.1+0x20/0x20
[  681.427044] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  681.431623]  warn_alloc.cold.116+0xb7/0x1bd
[  681.436856] lowmem_reserve[]: 0 0 3503 3503
[  681.464351]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  681.468655] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  681.472965]  ? lock_downgrade+0x900/0x900
[  681.477777] lowmem_reserve[]: 0 0 0 0
[  681.506744]  ? trace_hardirqs_off+0xb8/0x310
[  681.510868] 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
[  681.514661]  ? trace_hardirqs_off+0xb8/0x310
[  681.519043] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  681.532580]  __alloc_pages_slowpath+0x2651/0x2de0
[  681.536951] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  681.552837]  ? warn_alloc+0x120/0x120
[  681.557640] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  681.573229]  ? print_usage_bug+0xc0/0xc0
[  681.577007] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  681.585836]  ? warn_alloc+0x120/0x120
[  681.589872] 271 total pagecache pages
[  681.598449]  ? warn_alloc+0x120/0x120
[  681.602266] 0 pages in swap cache
[  681.606062]  ? print_usage_bug+0xc0/0xc0
[  681.609856] Swap cache stats: add 0, delete 0, find 0/0
[  681.613294]  ? kvm_clock_read+0x18/0x30
[  681.617321] Free swap  = 0kB
[  681.622670]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  681.626616] Total swap = 0kB
[  681.629624]  ? print_usage_bug+0xc0/0xc0
[  681.634610] 1965979 pages RAM
[  681.637618]  ? __lock_acquire+0x62f/0x4c20
[  681.641650] 0 pages HighMem/MovableOnly
[  681.644745]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  681.648948] 342854 pages reserved
[  681.652905]  ? should_fail+0x22d/0xd01
[  681.658881] 0 pages cma reserved
[  681.662324]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  681.666261] aoe: skb alloc failure
[  681.669553]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  681.674861] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  681.678334]  ? __lock_acquire+0x62f/0x4c20
[  681.683407] syz-fuzzer cpuset=/ mems_allowed=0
[  681.693622]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  681.707494]  ? __lock_acquire+0x62f/0x4c20
[  681.711723]  ? should_fail+0x22d/0xd01
[  681.715602]  ? rcu_irq_exit+0x1a2/0x390
[  681.719598]  ? mark_held_locks+0x130/0x130
[  681.723833]  ? mark_held_locks+0x130/0x130
[  681.728067]  ? mark_held_locks+0xc7/0x130
[  681.732214]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  681.737228]  ? zap_class+0x640/0x640
[  681.740936]  ? print_usage_bug+0xc0/0xc0
[  681.745122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.750660]  ? check_preemption_disabled+0x48/0x280
[  681.755684]  ? __lock_is_held+0xb5/0x140
[  681.759748]  __alloc_pages_nodemask+0xad8/0xea0
[  681.764430]  ? zap_class+0x640/0x640
[  681.768143]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  681.773167]  ? find_held_lock+0x36/0x1c0
[  681.777229]  ? ____cache_alloc_node+0x1c7/0x1e0
[  681.781897]  ? lock_downgrade+0x900/0x900
[  681.786060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.791598]  cache_grow_begin+0xa5/0x8c0
[  681.795658]  ? do_raw_spin_unlock+0xa7/0x330
[  681.800071]  fallback_alloc+0x204/0x2e0
[  681.804053]  ____cache_alloc_node+0x1c7/0x1e0
[  681.808551]  kmem_cache_alloc_node+0xe3/0x730
[  681.813057]  ? ipv6_get_ifaddr+0x42e/0x620
[  681.817297]  __alloc_skb+0x119/0x770
[  681.821005]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  681.826290]  ? netdev_alloc_frag+0x1f0/0x1f0
[  681.830693]  ? lock_downgrade+0x900/0x900
[  681.834845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.840381]  ? refcount_sub_and_test_checked+0x203/0x310
[  681.845830]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  681.851278]  ? addrconf_rs_timer+0x690/0x690
[  681.855696]  ndisc_alloc_skb+0x144/0x340
[  681.859769]  ndisc_send_rs+0x331/0x6e0
[  681.863657]  addrconf_rs_timer+0x314/0x690
[  681.867892]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  681.872131]  call_timer_fn+0x272/0x920
[  681.876032]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  681.880281]  ? process_timeout+0x40/0x40
[  681.884347]  ? __run_timers+0x7da/0xc70
[  681.888338]  ? _raw_spin_unlock_irq+0x27/0x80
[  681.892844]  ? _raw_spin_unlock_irq+0x27/0x80
[  681.897332]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  681.901574]  ? lockdep_hardirqs_on+0x296/0x5b0
[  681.906156]  ? trace_hardirqs_on+0xbd/0x310
[  681.910480]  ? kasan_check_read+0x11/0x20
[  681.914625]  ? __run_timers+0x7da/0xc70
[  681.918596]  ? trace_hardirqs_off_caller+0x310/0x310
[  681.923702]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  681.927956]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  681.932185]  __run_timers+0x7e5/0xc70
[  681.935987]  ? timer_fixup_init+0x70/0x70
[  681.940142]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  681.945154]  ? zap_class+0x640/0x640
[  681.948869]  ? enqueue_hrtimer+0x1a5/0x560
[  681.953107]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  681.958298]  ? find_held_lock+0x36/0x1c0
[  681.962360]  ? zap_class+0x640/0x640
[  681.966074]  ? pvclock_read_flags+0x160/0x160
[  681.970740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.976275]  ? check_preemption_disabled+0x48/0x280
[  681.981298]  ? __lock_is_held+0xb5/0x140
[  681.985355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.990889]  ? check_preemption_disabled+0x48/0x280
[  681.995907]  run_timer_softirq+0x52/0xb0
[  681.999967]  ? rcu_read_lock_sched_held+0x14f/0x180
[  682.004980]  __do_softirq+0x308/0xb7e
[  682.008877]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  682.013366]  ? lock_downgrade+0x900/0x900
[  682.017514]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  682.022704]  ? pvclock_read_flags+0x160/0x160
[  682.027200]  ? lapic_next_event+0x5a/0x90
[  682.031345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.036886]  ? kvm_clock_read+0x18/0x30
[  682.040856]  ? kvm_sched_clock_read+0x9/0x20
[  682.045265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.050798]  ? check_preemption_disabled+0x48/0x280
[  682.055819]  irq_exit+0x17f/0x1c0
[  682.059270]  smp_apic_timer_interrupt+0x1cb/0x760
[  682.064111]  ? smp_reschedule_interrupt+0x109/0x650
[  682.069124]  ? smp_call_function_single_interrupt+0x650/0x650
[  682.075002]  ? interrupt_entry+0xb5/0xc0
[  682.079072]  ? trace_hardirqs_off_caller+0xbb/0x310
[  682.084083]  ? trace_hardirqs_off_caller+0xbb/0x310
[  682.089098]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  682.094027]  ? trace_hardirqs_on_caller+0x310/0x310
[  682.099051]  ? trace_hardirqs_on_caller+0x310/0x310
[  682.104079]  ? task_prio+0x50/0x50
[  682.107615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.113147]  ? check_preemption_disabled+0x48/0x280
[  682.118162]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  682.123045]  apic_timer_interrupt+0xf/0x20
[  682.127287]  </IRQ>
[  682.129521] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  682.134451] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  682.153347] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  682.161162] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  682.168425] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  682.175693] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  682.182972] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  682.190242] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  682.197552]  skb_clone+0x1bb/0x500
[  682.201091]  ? finish_task_switch+0x1b4/0x910
[  682.205583]  ? skb_split+0x11e0/0x11e0
[  682.209474]  ? preempt_notifier_register+0x200/0x200
[  682.214577]  ? __switch_to_asm+0x34/0x70
[  682.218631]  ? __switch_to_asm+0x34/0x70
[  682.222689]  ? __switch_to_asm+0x40/0x70
[  682.226750]  ? __switch_to_asm+0x34/0x70
[  682.230803]  ? __switch_to_asm+0x40/0x70
[  682.234859]  ? __switch_to_asm+0x34/0x70
[  682.238916]  ? __switch_to_asm+0x40/0x70
[  682.242986]  ? __switch_to_asm+0x34/0x70
[  682.247052]  ? __switch_to_asm+0x34/0x70
[  682.251108]  ? __switch_to_asm+0x40/0x70
[  682.255163]  ? __switch_to_asm+0x34/0x70
[  682.259233]  bpf_clone_redirect+0xb9/0x490
[  682.263467]  ? __schedule+0x8d7/0x21d0
[  682.267375]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  682.272399]  ? __sched_text_start+0x8/0x8
[  682.276549]  ? retint_kernel+0x2d/0x2d
[  682.280438]  ? find_held_lock+0x36/0x1c0
[  682.284526]  ? lock_acquire+0x1ed/0x520
[  682.288501]  ? bpf_test_run+0x3cb/0x780
[  682.292505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.298046]  ? check_preemption_disabled+0x48/0x280
[  682.303064]  ? kasan_check_read+0x11/0x20
[  682.307204]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  682.312477]  ? rcu_softirq_qs+0x20/0x20
[  682.316463]  ? preempt_schedule+0x4d/0x60
[  682.320611]  ? ___preempt_schedule+0x16/0x18
[  682.325041]  ? bpf_test_run+0x25d/0x780
[  682.329031]  ? netlink_diag_dump+0x2a0/0x2a0
[  682.333439]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  682.338972]  ? bpf_test_init.isra.10+0x70/0x100
[  682.343643]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  682.348403]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  682.353267]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  682.358799]  ? fput+0x130/0x1a0
[  682.362082]  ? __bpf_prog_get+0x9b/0x290
[  682.366144]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  682.370985]  ? bpf_prog_test_run+0x130/0x1a0
[  682.375397]  ? __x64_sys_bpf+0x3db/0x520
[  682.379453]  ? bpf_prog_get+0x20/0x20
[  682.383273]  ? do_syscall_64+0x1b9/0x820
[  682.387350]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  682.392708]  ? syscall_return_slowpath+0x5e0/0x5e0
[  682.397635]  ? trace_hardirqs_on_caller+0x310/0x310
[  682.402646]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  682.407655]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  682.414317]  ? __switch_to_asm+0x40/0x70
[  682.418374]  ? __switch_to_asm+0x34/0x70
[  682.422438]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  682.427289]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  682.432790] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  682.432872] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  682.439807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  682.439814] Call Trace:
[  682.446411] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  682.455626]  <IRQ>
[  682.458201] syz-executor5 cpuset=syz5 mems_allowed=0
[  682.468679]  dump_stack+0x244/0x39d
[  682.479509]  ? dump_stack_print_info.cold.1+0x20/0x20
[  682.484708]  warn_alloc.cold.116+0xb7/0x1bd
[  682.489032]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  682.493879]  ? lock_downgrade+0x900/0x900
[  682.498056]  ? trace_hardirqs_off+0xb8/0x310
[  682.502553]  ? trace_hardirqs_off+0xb8/0x310
[  682.506964]  __alloc_pages_slowpath+0x2651/0x2de0
[  682.511828]  ? warn_alloc+0x120/0x120
[  682.515628]  ? warn_alloc+0x120/0x120
[  682.519430]  ? warn_alloc+0x120/0x120
[  682.523225]  ? print_usage_bug+0xc0/0xc0
[  682.527282]  ? print_usage_bug+0xc0/0xc0
[  682.531337]  ? ktime_get+0x2c1/0x400
[  682.535071]  ? check_preemption_disabled+0x48/0x280
[  682.540085]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  682.544581]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  682.550122]  ? should_fail+0x22d/0xd01
[  682.554042]  ? kasan_check_read+0x11/0x20
[  682.558198]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  682.563300]  ? __lock_acquire+0x62f/0x4c20
[  682.567533]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  682.572634]  ? should_fail+0x22d/0xd01
[  682.576532]  ? print_usage_bug+0xc0/0xc0
[  682.580594]  ? mark_held_locks+0x130/0x130
[  682.584831]  ? mark_held_locks+0x130/0x130
[  682.589068]  ? check_preemption_disabled+0x48/0x280
[  682.594086]  ? zap_class+0x640/0x640
[  682.597796]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  682.602548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.608219]  ? check_preemption_disabled+0x48/0x280
[  682.613235]  ? __lock_is_held+0xb5/0x140
[  682.617293]  __alloc_pages_nodemask+0xad8/0xea0
[  682.621953]  ? zap_class+0x640/0x640
[  682.625667]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  682.630695]  ? find_held_lock+0x36/0x1c0
[  682.634759]  ? ____cache_alloc_node+0x1c7/0x1e0
[  682.639424]  ? lock_downgrade+0x900/0x900
[  682.643571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.649106]  cache_grow_begin+0xa5/0x8c0
[  682.653182]  ? do_raw_spin_unlock+0xa7/0x330
[  682.658064]  fallback_alloc+0x204/0x2e0
[  682.662047]  ____cache_alloc_node+0x1c7/0x1e0
[  682.666555]  kmem_cache_alloc_node+0xe3/0x730
[  682.671054]  ? lockdep_hardirqs_on+0x296/0x5b0
[  682.675643]  __alloc_skb+0x119/0x770
[  682.679351]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  682.684716]  ? netdev_alloc_frag+0x1f0/0x1f0
[  682.689129]  ? vprintk_default+0x28/0x30
[  682.693187]  ? vprintk_func+0x85/0x181
[  682.697071]  ? printk+0xa7/0xcf
[  682.700362]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  682.705117]  ? do_raw_spin_trylock+0x270/0x270
[  682.709704]  new_skb+0x26/0x1c0
[  682.712981]  aoecmd_cfg+0x279/0x7f0
[  682.716613]  ? find_held_lock+0x36/0x1c0
[  682.720672]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  682.724997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.730557]  ? __lock_is_held+0xb5/0x140
[  682.734624]  discover_timer+0x50/0x60
[  682.738422]  call_timer_fn+0x272/0x920
[  682.742307]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  682.747147]  ? process_timeout+0x40/0x40
[  682.751213]  ? mark_held_locks+0xc7/0x130
[  682.755359]  ? _raw_spin_unlock_irq+0x27/0x80
[  682.759935]  ? _raw_spin_unlock_irq+0x27/0x80
[  682.764514]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  682.769355]  ? lockdep_hardirqs_on+0x296/0x5b0
[  682.773937]  ? trace_hardirqs_on+0xbd/0x310
[  682.778268]  ? kasan_check_read+0x11/0x20
[  682.782411]  ? __run_timers+0x7da/0xc70
[  682.786382]  ? trace_hardirqs_off_caller+0x310/0x310
[  682.791492]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  682.796329]  __run_timers+0x7e5/0xc70
[  682.800133]  ? timer_fixup_init+0x70/0x70
[  682.804283]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  682.809294]  ? zap_class+0x640/0x640
[  682.813016]  ? print_usage_bug+0xc0/0xc0
[  682.817075]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  682.822669]  ? find_held_lock+0x36/0x1c0
[  682.826731]  ? zap_class+0x640/0x640
[  682.830531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.836067]  ? check_preemption_disabled+0x48/0x280
[  682.841101]  ? __lock_is_held+0xb5/0x140
[  682.845242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.850775]  ? check_preemption_disabled+0x48/0x280
[  682.855804]  run_timer_softirq+0x52/0xb0
[  682.859860]  ? rcu_read_lock_sched_held+0x14f/0x180
[  682.864891]  __do_softirq+0x308/0xb7e
[  682.868709]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  682.873196]  ? lock_downgrade+0x900/0x900
[  682.877356]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  682.882462]  ? pvclock_read_flags+0x160/0x160
[  682.886956]  ? lapic_next_event+0x5a/0x90
[  682.891104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.896640]  ? kvm_clock_read+0x18/0x30
[  682.900610]  ? kvm_sched_clock_read+0x9/0x20
[  682.905039]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  682.910573]  ? check_preemption_disabled+0x48/0x280
[  682.915593]  irq_exit+0x17f/0x1c0
[  682.919049]  smp_apic_timer_interrupt+0x1cb/0x760
[  682.923888]  ? smp_reschedule_interrupt+0x109/0x650
[  682.928901]  ? smp_call_function_single_interrupt+0x650/0x650
[  682.934783]  ? interrupt_entry+0xb5/0xc0
[  682.938848]  ? trace_hardirqs_off_caller+0xbb/0x310
[  682.943861]  ? trace_hardirqs_off_caller+0xbb/0x310
[  682.948876]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  682.953716]  ? trace_hardirqs_on_caller+0x310/0x310
[  682.958724]  ? trace_hardirqs_on_caller+0x310/0x310
[  682.963735]  ? task_prio+0x50/0x50
[  682.967271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.972823]  ? check_preemption_disabled+0x48/0x280
[  682.977841]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  682.982691]  apic_timer_interrupt+0xf/0x20
[  682.986914]  </IRQ>
[  682.989152] RIP: 0010:dump_stack+0x358/0x39d
[  682.993563] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  683.012468] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  683.020170] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  683.027434] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  683.034695] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  683.041958] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  683.049219] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  683.056499]  ? dump_stack+0x34f/0x39d
[  683.060310]  ? dump_stack_print_info.cold.1+0x20/0x20
[  683.065501]  ? mark_held_locks+0x130/0x130
[  683.069730]  ? mark_held_locks+0x130/0x130
[  683.074071]  dump_header+0x27b/0xf72
[  683.077792]  ? pagefault_out_of_memory+0x197/0x197
[  683.082731]  ? __lock_acquire+0x62f/0x4c20
[  683.086967]  ? percpu_ref_get_many+0x240/0x240
[  683.091569]  ? print_usage_bug+0xc0/0xc0
[  683.095628]  ? zap_class+0x640/0x640
[  683.099337]  ? print_usage_bug+0xc0/0xc0
[  683.103391]  ? print_usage_bug+0xc0/0xc0
[  683.107456]  ? zap_class+0x640/0x640
[  683.111170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.116710]  ? find_held_lock+0x36/0x1c0
[  683.120771]  ? mark_held_locks+0xc7/0x130
[  683.124913]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  683.130017]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  683.135120]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  683.139699]  ? trace_hardirqs_on+0xbd/0x310
[  683.144017]  ? kasan_check_read+0x11/0x20
[  683.148165]  ? ___ratelimit+0x3b4/0x672
[  683.152138]  ? trace_hardirqs_off_caller+0x310/0x310
[  683.157236]  ? trace_hardirqs_on+0x310/0x310
[  683.161639]  ? lock_downgrade+0x900/0x900
[  683.165784]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  683.170880]  ? ___ratelimit+0x3b9/0x672
[  683.174853]  ? idr_get_free+0xf70/0xf70
[  683.178820]  ? find_held_lock+0x36/0x1c0
[  683.182885]  oom_kill_process.cold.27+0x10/0x903
[  683.187634]  ? zap_class+0x640/0x640
[  683.191344]  ? check_preemption_disabled+0x48/0x280
[  683.196359]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  683.201283]  ? kasan_check_read+0x11/0x20
[  683.205603]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  683.210874]  ? oom_evaluate_task+0x540/0x540
[  683.215280]  ? find_held_lock+0x36/0x1c0
[  683.219344]  ? out_of_memory+0x974/0x1430
[  683.223490]  ? lock_downgrade+0x900/0x900
[  683.227635]  ? check_preemption_disabled+0x48/0x280
[  683.232650]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  683.237580]  ? kasan_check_read+0x11/0x20
[  683.241723]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  683.247000]  ? rcu_softirq_qs+0x20/0x20
[  683.250979]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  683.256610]  ? oom_evaluate_task+0x302/0x540
[  683.261119]  out_of_memory+0xa84/0x1430
[  683.265098]  ? oom_killer_disable+0x3a0/0x3a0
[  683.269589]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  683.274518]  ? __ww_mutex_check_waiters+0x160/0x160
[  683.279542]  __alloc_pages_slowpath+0x232c/0x2de0
[  683.284406]  ? warn_alloc+0x120/0x120
[  683.288204]  ? mark_held_locks+0x130/0x130
[  683.292440]  ? find_get_entry+0xaae/0x1120
[  683.296678]  ? filemap_map_pages+0x1a20/0x1a20
[  683.301259]  ? zap_class+0x640/0x640
[  683.304976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.310516]  ? check_preemption_disabled+0x48/0x280
[  683.315529]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  683.321064]  ? should_fail+0x22d/0xd01
[  683.325042]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  683.330143]  ? zap_class+0x640/0x640
[  683.333873]  ? __lock_is_held+0xb5/0x140
[  683.337937]  ? mark_held_locks+0x130/0x130
[  683.342173]  ? lock_release+0xa00/0xa00
[  683.346143]  ? perf_trace_sched_process_exec+0x860/0x860
[  683.351584]  ? xa_load+0x2ba/0x460
[  683.355119]  ? lock_downgrade+0x900/0x900
[  683.359268]  ? __might_sleep+0x95/0x190
[  683.363254]  __alloc_pages_nodemask+0xad8/0xea0
[  683.367961]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  683.372977]  ? __page_cache_alloc+0x191/0x5c0
[  683.377474]  ? xa_load+0x2e1/0x460
[  683.381014]  ? xa_clear_mark+0x40/0x40
[  683.384995]  ? zap_class+0x640/0x640
[  683.388710]  ? zap_class+0x640/0x640
[  683.392426]  ? zap_class+0x640/0x640
[  683.396137]  ? zap_class+0x640/0x640
[  683.399846]  ? __do_page_cache_readahead+0x663/0x810
[  683.404944]  ? find_held_lock+0x36/0x1c0
[  683.409005]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  683.414552]  alloc_pages_current+0x173/0x350
[  683.418979]  __page_cache_alloc+0x38c/0x5c0
[  683.423300]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  683.428240]  ? kasan_check_read+0x11/0x20
[  683.432383]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  683.437658]  ? generic_perform_write+0x6a0/0x6a0
[  683.442414]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  683.447949]  ? check_preemption_disabled+0x48/0x280
[  683.452965]  filemap_fault+0x1595/0x25f0
[  683.457044]  ? __lock_page_or_retry+0xa00/0xa00
[  683.461711]  ? mark_held_locks+0x130/0x130
[  683.465949]  ? filemap_map_pages+0xd6b/0x1a20
[  683.470453]  ? lock_downgrade+0x900/0x900
[  683.474599]  ? check_preemption_disabled+0x48/0x280
[  683.479731]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  683.484655]  ? kasan_check_read+0x11/0x20
[  683.488798]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  683.494079]  ? rcu_softirq_qs+0x20/0x20
[  683.498072]  ? filemap_map_pages+0xd92/0x1a20
[  683.502565]  ? queue_work_on+0x12c/0x1e0
[  683.506627]  ? find_get_entries_tag+0x1400/0x1400
[  683.511467]  ? debug_object_destroy+0x2b0/0x2b0
[  683.516133]  ? lock_pi_update_atomic+0x150/0x150
[  683.520888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.526434]  ? lock_acquire+0x1ed/0x520
[  683.530404]  ? ext4_filemap_fault+0x7a/0xad
[  683.534731]  ? lock_release+0xa00/0xa00
[  683.538699]  ? perf_trace_sched_process_exec+0x860/0x860
[  683.544151]  ? print_usage_bug+0xc0/0xc0
[  683.548212]  ? print_usage_bug+0xc0/0xc0
[  683.552277]  ? down_read+0x8d/0x120
[  683.555900]  ? ext4_filemap_fault+0x7a/0xad
[  683.560218]  ? __down_interruptible+0x700/0x700
[  683.564890]  ext4_filemap_fault+0x82/0xad
[  683.569038]  __do_fault+0x100/0x6b0
[  683.572660]  ? find_held_lock+0x36/0x1c0
[  683.576720]  ? pmd_devmap_trans_unstable+0x220/0x220
[  683.581826]  ? mark_held_locks+0x130/0x130
[  683.586060]  ? mark_held_locks+0x130/0x130
[  683.590300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  683.595840]  __handle_mm_fault+0x3ea0/0x5be0
[  683.600243]  ? perf_trace_lock+0x7a0/0x7a0
[  683.604477]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  683.609319]  ? __switch_to_asm+0x34/0x70
[  683.613378]  ? __switch_to_asm+0x34/0x70
[  683.617445]  ? zap_class+0x640/0x640
[  683.621153]  ? zap_class+0x640/0x640
[  683.624877]  ? __x64_sys_futex+0x53e/0x6a0
[  683.629116]  ? find_held_lock+0x36/0x1c0
[  683.633184]  ? handle_mm_fault+0x42a/0xc70
[  683.637417]  ? lock_downgrade+0x900/0x900
[  683.641563]  ? check_preemption_disabled+0x48/0x280
[  683.646577]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  683.651527]  ? kasan_check_read+0x11/0x20
[  683.655672]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  683.660943]  ? rcu_softirq_qs+0x20/0x20
[  683.664918]  ? trace_hardirqs_off_caller+0x310/0x310
[  683.670022]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  683.675556]  ? check_preemption_disabled+0x48/0x280
[  683.680595]  handle_mm_fault+0x54f/0xc70
[  683.684655]  ? __handle_mm_fault+0x5be0/0x5be0
[  683.689237]  ? find_vma+0x34/0x190
[  683.692782]  __do_page_fault+0x5e8/0xe60
[  683.696836]  ? trace_hardirqs_off+0xb8/0x310
[  683.701251]  do_page_fault+0xf2/0x7e0
[  683.705047]  ? vmalloc_sync_all+0x30/0x30
[  683.709191]  ? error_entry+0x70/0xd0
[  683.712898]  ? trace_hardirqs_off_caller+0xbb/0x310
[  683.717910]  ? trace_hardirqs_on_caller+0xc0/0x310
[  683.722837]  ? syscall_return_slowpath+0x5e0/0x5e0
[  683.727759]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  683.732597]  ? trace_hardirqs_on_caller+0x310/0x310
[  683.737692]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  683.743144]  ? prepare_exit_to_usermode+0x291/0x3b0
[  683.748167]  ? page_fault+0x8/0x30
[  683.751717]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  683.756559]  ? page_fault+0x8/0x30
[  683.760093]  page_fault+0x1e/0x30
[  683.763542] RIP: 0033:0x40f9c0
[  683.766750] Code: Bad RIP value.
[  683.770109] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  683.775482] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  683.782744] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  683.790006] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  683.797286] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  683.804547] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  683.811833] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  683.811837] warn_alloc_show_mem: 1 callbacks suppressed
[  683.811844] Mem-Info:
[  683.819108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  683.819115] Call Trace:
[  683.824497] active_anon:54071 inactive_anon:192 isolated_anon:0
[  683.824497]  active_file:13 inactive_file:14 isolated_file:0
[  683.824497]  unevictable:0 dirty:0 writeback:0 unstable:0
[  683.824497]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  683.824497]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  683.824497]  free:13779 free_pcp:228 free_cma:0
[  683.826866]  <IRQ>
[  683.836242] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  683.838816]  dump_stack+0x244/0x39d
[  683.871666] 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
[  683.873812]  ? dump_stack_print_info.cold.1+0x20/0x20
[  683.901276] lowmem_reserve[]: 0 2818 6321 6321
[  683.904919]  warn_alloc.cold.116+0xb7/0x1bd
[  683.931079] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  683.936269]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  683.940816] lowmem_reserve[]: 0 0 3503 3503
[  683.945137]  ? lock_downgrade+0x900/0x900
[  683.972603] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  683.977441]  ? trace_hardirqs_off+0xb8/0x310
[  683.981729] lowmem_reserve[]: 0 0 0 0
[  683.985871]  ? trace_hardirqs_off+0xb8/0x310
[  684.014916] 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
[  684.019322]  __alloc_pages_slowpath+0x2651/0x2de0
[  684.023090] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  684.027522]  ? warn_alloc+0x120/0x120
[  684.040999] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  684.045835]  ? warn_alloc+0x120/0x120
[  684.061678] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  684.065461]  ? warn_alloc+0x120/0x120
[  684.081051] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  684.084838]  ? print_usage_bug+0xc0/0xc0
[  684.093646] 271 total pagecache pages
[  684.097433]  ? print_usage_bug+0xc0/0xc0
[  684.106013] 0 pages in swap cache
[  684.110053]  ? mark_held_locks+0x130/0x130
[  684.113830] Swap cache stats: add 0, delete 0, find 0/0
[  684.117877]  ? should_fail+0x22d/0xd01
[  684.121302] Free swap  = 0kB
[  684.125530]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  684.130862] Total swap = 0kB
[  684.134746]  ? should_fail+0x22d/0xd01
[  684.137832] 1965979 pages RAM
[  684.143474]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  684.146461] 0 pages HighMem/MovableOnly
[  684.146469] 342854 pages reserved
[  684.150343]  ? __lock_acquire+0x62f/0x4c20
[  684.153418] 0 pages cma reserved
[  684.158509]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  684.162527] aoe: skb alloc failure
[  684.165890]  ? __lock_acquire+0x62f/0x4c20
[  684.165905]  ? should_fail+0x22d/0xd01
[  684.170144] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  684.173475]  ? mark_held_locks+0x130/0x130
[  684.178543] syz-fuzzer cpuset=/ mems_allowed=0
[  684.182073]  ? mark_held_locks+0x130/0x130
[  684.213387]  ? zap_class+0x640/0x640
[  684.217098]  ? check_preemption_disabled+0x48/0x280
[  684.222128]  ? zap_class+0x640/0x640
[  684.225839]  ? print_usage_bug+0xc0/0xc0
[  684.229912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.235448]  ? check_preemption_disabled+0x48/0x280
[  684.240468]  ? __lock_is_held+0xb5/0x140
[  684.244535]  __alloc_pages_nodemask+0xad8/0xea0
[  684.249202]  ? zap_class+0x640/0x640
[  684.252915]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  684.257940]  ? find_held_lock+0x36/0x1c0
[  684.262014]  ? ____cache_alloc_node+0x1c7/0x1e0
[  684.266687]  ? lock_downgrade+0x900/0x900
[  684.270855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.276429]  cache_grow_begin+0xa5/0x8c0
[  684.280487]  ? do_raw_spin_unlock+0xa7/0x330
[  684.284908]  fallback_alloc+0x204/0x2e0
[  684.288886]  ____cache_alloc_node+0x1c7/0x1e0
[  684.293384]  kmem_cache_alloc_node+0xe3/0x730
[  684.297877]  ? ipv6_get_ifaddr+0x42e/0x620
[  684.302120]  __alloc_skb+0x119/0x770
[  684.305830]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  684.311123]  ? netdev_alloc_frag+0x1f0/0x1f0
[  684.315532]  ? lock_downgrade+0x900/0x900
[  684.319682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.325228]  ? refcount_sub_and_test_checked+0x203/0x310
[  684.330801]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  684.336249]  ? addrconf_rs_timer+0x690/0x690
[  684.340666]  ndisc_alloc_skb+0x144/0x340
[  684.344727]  ndisc_send_rs+0x331/0x6e0
[  684.348616]  addrconf_rs_timer+0x314/0x690
[  684.352867]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  684.357112]  call_timer_fn+0x272/0x920
[  684.360996]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  684.365231]  ? process_timeout+0x40/0x40
[  684.369294]  ? __run_timers+0x7da/0xc70
[  684.373271]  ? _raw_spin_unlock_irq+0x27/0x80
[  684.377777]  ? _raw_spin_unlock_irq+0x27/0x80
[  684.382267]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  684.386505]  ? lockdep_hardirqs_on+0x296/0x5b0
[  684.391103]  ? trace_hardirqs_on+0xbd/0x310
[  684.395421]  ? kasan_check_read+0x11/0x20
[  684.399569]  ? __run_timers+0x7da/0xc70
[  684.403541]  ? trace_hardirqs_off_caller+0x310/0x310
[  684.408651]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  684.412890]  __run_timers+0x7e5/0xc70
[  684.416693]  ? timer_fixup_init+0x70/0x70
[  684.420839]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  684.425856]  ? zap_class+0x640/0x640
[  684.429572]  ? enqueue_hrtimer+0x1a5/0x560
[  684.434414]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  684.439610]  ? find_held_lock+0x36/0x1c0
[  684.443671]  ? zap_class+0x640/0x640
[  684.447386]  ? pvclock_read_flags+0x160/0x160
[  684.451878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.457416]  ? check_preemption_disabled+0x48/0x280
[  684.462550]  ? __lock_is_held+0xb5/0x140
[  684.466612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.472145]  ? check_preemption_disabled+0x48/0x280
[  684.477160]  run_timer_softirq+0x52/0xb0
[  684.481219]  ? rcu_read_lock_sched_held+0x14f/0x180
[  684.486233]  __do_softirq+0x308/0xb7e
[  684.490033]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  684.494523]  ? lock_downgrade+0x900/0x900
[  684.498674]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  684.503777]  ? pvclock_read_flags+0x160/0x160
[  684.508280]  ? lapic_next_event+0x5a/0x90
[  684.512428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.517974]  ? kvm_clock_read+0x18/0x30
[  684.521947]  ? kvm_sched_clock_read+0x9/0x20
[  684.526375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.531909]  ? check_preemption_disabled+0x48/0x280
[  684.536931]  irq_exit+0x17f/0x1c0
[  684.540393]  smp_apic_timer_interrupt+0x1cb/0x760
[  684.545234]  ? smp_reschedule_interrupt+0x109/0x650
[  684.550260]  ? smp_call_function_single_interrupt+0x650/0x650
[  684.556139]  ? interrupt_entry+0xb5/0xc0
[  684.560195]  ? trace_hardirqs_off_caller+0xbb/0x310
[  684.565207]  ? trace_hardirqs_off_caller+0xbb/0x310
[  684.570223]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  684.575059]  ? trace_hardirqs_on_caller+0x310/0x310
[  684.580068]  ? trace_hardirqs_on_caller+0x310/0x310
[  684.585080]  ? task_prio+0x50/0x50
[  684.588648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.594182]  ? check_preemption_disabled+0x48/0x280
[  684.599211]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  684.604057]  apic_timer_interrupt+0xf/0x20
[  684.608291]  </IRQ>
[  684.610526] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  684.615461] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  684.634462] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  684.642186] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  684.649450] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  684.657062] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  684.664328] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  684.671591] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  684.678908]  skb_clone+0x1bb/0x500
[  684.682448]  ? finish_task_switch+0x1b4/0x910
[  684.686941]  ? skb_split+0x11e0/0x11e0
[  684.690834]  ? preempt_notifier_register+0x200/0x200
[  684.695933]  ? __switch_to_asm+0x34/0x70
[  684.699995]  ? __switch_to_asm+0x34/0x70
[  684.704049]  ? __switch_to_asm+0x40/0x70
[  684.708102]  ? __switch_to_asm+0x34/0x70
[  684.712157]  ? __switch_to_asm+0x40/0x70
[  684.716213]  ? __switch_to_asm+0x34/0x70
[  684.720272]  ? __switch_to_asm+0x40/0x70
[  684.724327]  ? __switch_to_asm+0x34/0x70
[  684.728386]  ? __switch_to_asm+0x34/0x70
[  684.732445]  ? __switch_to_asm+0x40/0x70
[  684.736504]  ? __switch_to_asm+0x34/0x70
[  684.740569]  bpf_clone_redirect+0xb9/0x490
[  684.744802]  ? __schedule+0x8d7/0x21d0
[  684.748693]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  684.753708]  ? __sched_text_start+0x8/0x8
[  684.757850]  ? retint_kernel+0x2d/0x2d
[  684.761745]  ? find_held_lock+0x36/0x1c0
[  684.765811]  ? lock_acquire+0x1ed/0x520
[  684.769784]  ? bpf_test_run+0x3cb/0x780
[  684.773758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.779297]  ? check_preemption_disabled+0x48/0x280
[  684.784319]  ? kasan_check_read+0x11/0x20
[  684.788465]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  684.793738]  ? rcu_softirq_qs+0x20/0x20
[  684.797795]  ? preempt_schedule+0x4d/0x60
[  684.801941]  ? ___preempt_schedule+0x16/0x18
[  684.806372]  ? bpf_test_run+0x25d/0x780
[  684.810354]  ? netlink_diag_dump+0x2a0/0x2a0
[  684.814762]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  684.820292]  ? bpf_test_init.isra.10+0x70/0x100
[  684.825465]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  684.830234]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  684.835072]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  684.840608]  ? fput+0x130/0x1a0
[  684.843897]  ? __bpf_prog_get+0x9b/0x290
[  684.848012]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  684.852848]  ? bpf_prog_test_run+0x130/0x1a0
[  684.857254]  ? __x64_sys_bpf+0x3db/0x520
[  684.861307]  ? bpf_prog_get+0x20/0x20
[  684.865122]  ? do_syscall_64+0x1b9/0x820
[  684.869179]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  684.874626]  ? syscall_return_slowpath+0x5e0/0x5e0
[  684.879556]  ? trace_hardirqs_on_caller+0x310/0x310
[  684.884745]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  684.889761]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  684.896422]  ? __switch_to_asm+0x40/0x70
[  684.900494]  ? __switch_to_asm+0x34/0x70
[  684.904585]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  684.909432]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  684.914810] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  684.914920] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  684.921823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  684.921828] Call Trace:
[  684.921835]  <IRQ>
[  684.921854]  dump_stack+0x244/0x39d
[  684.921872]  ? dump_stack_print_info.cold.1+0x20/0x20
[  684.928399] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  684.937782]  warn_alloc.cold.116+0xb7/0x1bd
[  684.940348] syz-executor5 cpuset=syz5 mems_allowed=0
[  684.942491]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  684.975972]  ? lock_downgrade+0x900/0x900
[  684.980143]  ? trace_hardirqs_off+0xb8/0x310
[  684.984577]  ? trace_hardirqs_off+0xb8/0x310
[  684.988994]  __alloc_pages_slowpath+0x2651/0x2de0
[  684.993855]  ? warn_alloc+0x120/0x120
[  684.997656]  ? warn_alloc+0x120/0x120
[  685.001458]  ? __lock_acquire+0x62f/0x4c20
[  685.005688]  ? warn_alloc+0x120/0x120
[  685.009487]  ? print_usage_bug+0xc0/0xc0
[  685.013550]  ? print_usage_bug+0xc0/0xc0
[  685.017612]  ? mark_held_locks+0x130/0x130
[  685.021847]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  685.027386]  ? should_fail+0x22d/0xd01
[  685.031281]  ? zap_class+0x640/0x640
[  685.034998]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  685.040101]  ? __lock_acquire+0x62f/0x4c20
[  685.044344]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  685.049440]  ? should_fail+0x22d/0xd01
[  685.053335]  ? mark_held_locks+0x130/0x130
[  685.057570]  ? mark_held_locks+0x130/0x130
[  685.061800]  ? lock_downgrade+0x900/0x900
[  685.065966]  ? zap_class+0x640/0x640
[  685.069679]  ? zap_class+0x640/0x640
[  685.073387]  ? zap_class+0x640/0x640
[  685.077093]  ? do_raw_spin_unlock+0xa7/0x330
[  685.081523]  ? trace_hardirqs_on+0x310/0x310
[  685.085929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.091492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.097035]  ? check_preemption_disabled+0x48/0x280
[  685.102058]  ? __lock_is_held+0xb5/0x140
[  685.106123]  __alloc_pages_nodemask+0xad8/0xea0
[  685.110790]  ? zap_class+0x640/0x640
[  685.114505]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  685.119529]  ? find_held_lock+0x36/0x1c0
[  685.123605]  ? ____cache_alloc_node+0x1c7/0x1e0
[  685.128269]  ? lock_downgrade+0x900/0x900
[  685.132420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.137964]  cache_grow_begin+0xa5/0x8c0
[  685.142034]  ? do_raw_spin_unlock+0xa7/0x330
[  685.146446]  fallback_alloc+0x204/0x2e0
[  685.150422]  ____cache_alloc_node+0x1c7/0x1e0
[  685.154915]  kmem_cache_alloc_node+0xe3/0x730
[  685.159412]  ? lockdep_hardirqs_on+0x296/0x5b0
[  685.164002]  __alloc_skb+0x119/0x770
[  685.167711]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  685.173177]  ? netdev_alloc_frag+0x1f0/0x1f0
[  685.177589]  ? vprintk_default+0x28/0x30
[  685.181645]  ? vprintk_func+0x85/0x181
[  685.185535]  ? printk+0xa7/0xcf
[  685.188814]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  685.193566]  ? do_raw_spin_trylock+0x270/0x270
[  685.198152]  new_skb+0x26/0x1c0
[  685.201426]  aoecmd_cfg+0x279/0x7f0
[  685.205048]  ? find_held_lock+0x36/0x1c0
[  685.209106]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  685.213427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.218975]  ? __lock_is_held+0xb5/0x140
[  685.223048]  discover_timer+0x50/0x60
[  685.226848]  call_timer_fn+0x272/0x920
[  685.230735]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  685.235575]  ? process_timeout+0x40/0x40
[  685.239639]  ? mark_held_locks+0xc7/0x130
[  685.243805]  ? _raw_spin_unlock_irq+0x27/0x80
[  685.248298]  ? _raw_spin_unlock_irq+0x27/0x80
[  685.252874]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  685.257713]  ? lockdep_hardirqs_on+0x296/0x5b0
[  685.262293]  ? trace_hardirqs_on+0xbd/0x310
[  685.266610]  ? kasan_check_read+0x11/0x20
[  685.270753]  ? __run_timers+0x7da/0xc70
[  685.274724]  ? trace_hardirqs_off_caller+0x310/0x310
[  685.279961]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  685.284802]  __run_timers+0x7e5/0xc70
[  685.288609]  ? timer_fixup_init+0x70/0x70
[  685.292756]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  685.297771]  ? zap_class+0x640/0x640
[  685.301487]  ? print_usage_bug+0xc0/0xc0
[  685.305546]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  685.310741]  ? find_held_lock+0x36/0x1c0
[  685.314803]  ? zap_class+0x640/0x640
[  685.318632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.324166]  ? check_preemption_disabled+0x48/0x280
[  685.329188]  ? __lock_is_held+0xb5/0x140
[  685.333245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.338779]  ? check_preemption_disabled+0x48/0x280
[  685.343797]  run_timer_softirq+0x52/0xb0
[  685.347857]  ? rcu_read_lock_sched_held+0x14f/0x180
[  685.352870]  __do_softirq+0x308/0xb7e
[  685.356683]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  685.361195]  ? lock_downgrade+0x900/0x900
[  685.365349]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  685.370465]  ? pvclock_read_flags+0x160/0x160
[  685.374981]  ? lapic_next_event+0x5a/0x90
[  685.379128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.384671]  ? kvm_clock_read+0x18/0x30
[  685.388645]  ? kvm_sched_clock_read+0x9/0x20
[  685.393052]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  685.398586]  ? check_preemption_disabled+0x48/0x280
[  685.403696]  irq_exit+0x17f/0x1c0
[  685.407143]  smp_apic_timer_interrupt+0x1cb/0x760
[  685.411996]  ? smp_reschedule_interrupt+0x109/0x650
[  685.417030]  ? smp_call_function_single_interrupt+0x650/0x650
[  685.422913]  ? interrupt_entry+0xb5/0xc0
[  685.426986]  ? trace_hardirqs_off_caller+0xbb/0x310
[  685.431999]  ? trace_hardirqs_off_caller+0xbb/0x310
[  685.437014]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  685.441854]  ? trace_hardirqs_on_caller+0x310/0x310
[  685.446862]  ? trace_hardirqs_on_caller+0x310/0x310
[  685.451870]  ? task_prio+0x50/0x50
[  685.455426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.460978]  ? check_preemption_disabled+0x48/0x280
[  685.465995]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  685.470883]  apic_timer_interrupt+0xf/0x20
[  685.475120]  </IRQ>
[  685.477373] RIP: 0010:dump_stack+0x358/0x39d
[  685.481791] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  685.500685] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  685.508406] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  685.515667] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  685.522930] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  685.530200] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  685.537460] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  685.544737]  ? dump_stack+0x34f/0x39d
[  685.548548]  ? dump_stack_print_info.cold.1+0x20/0x20
[  685.553739]  ? mark_held_locks+0x130/0x130
[  685.557973]  ? mark_held_locks+0x130/0x130
[  685.562210]  dump_header+0x27b/0xf72
[  685.566018]  ? pagefault_out_of_memory+0x197/0x197
[  685.570956]  ? __lock_acquire+0x62f/0x4c20
[  685.575194]  ? percpu_ref_get_many+0x240/0x240
[  685.579774]  ? print_usage_bug+0xc0/0xc0
[  685.583835]  ? zap_class+0x640/0x640
[  685.587547]  ? print_usage_bug+0xc0/0xc0
[  685.591613]  ? print_usage_bug+0xc0/0xc0
[  685.595686]  ? zap_class+0x640/0x640
[  685.599436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.604981]  ? find_held_lock+0x36/0x1c0
[  685.609049]  ? mark_held_locks+0xc7/0x130
[  685.613202]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  685.618297]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  685.623397]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  685.628003]  ? trace_hardirqs_on+0xbd/0x310
[  685.632768]  ? kasan_check_read+0x11/0x20
[  685.636914]  ? ___ratelimit+0x3b4/0x672
[  685.640893]  ? trace_hardirqs_off_caller+0x310/0x310
[  685.645994]  ? trace_hardirqs_on+0x310/0x310
[  685.650400]  ? lock_downgrade+0x900/0x900
[  685.654546]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  685.659643]  ? ___ratelimit+0x3b9/0x672
[  685.663612]  ? idr_get_free+0xf70/0xf70
[  685.667583]  ? find_held_lock+0x36/0x1c0
[  685.671648]  oom_kill_process.cold.27+0x10/0x903
[  685.676397]  ? zap_class+0x640/0x640
[  685.680106]  ? check_preemption_disabled+0x48/0x280
[  685.685120]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  685.690046]  ? kasan_check_read+0x11/0x20
[  685.694186]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  685.699458]  ? oom_evaluate_task+0x540/0x540
[  685.703867]  ? find_held_lock+0x36/0x1c0
[  685.707939]  ? out_of_memory+0x974/0x1430
[  685.712087]  ? lock_downgrade+0x900/0x900
[  685.716233]  ? check_preemption_disabled+0x48/0x280
[  685.721331]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  685.726266]  ? kasan_check_read+0x11/0x20
[  685.730420]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  685.736037]  ? rcu_softirq_qs+0x20/0x20
[  685.740017]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  685.745551]  ? oom_evaluate_task+0x302/0x540
[  685.749987]  out_of_memory+0xa84/0x1430
[  685.753987]  ? oom_killer_disable+0x3a0/0x3a0
[  685.758477]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  685.763404]  ? __ww_mutex_check_waiters+0x160/0x160
[  685.768428]  __alloc_pages_slowpath+0x232c/0x2de0
[  685.773291]  ? warn_alloc+0x120/0x120
[  685.777087]  ? mark_held_locks+0x130/0x130
[  685.781319]  ? find_get_entry+0xaae/0x1120
[  685.785671]  ? filemap_map_pages+0x1a20/0x1a20
[  685.790249]  ? zap_class+0x640/0x640
[  685.793974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.799522]  ? check_preemption_disabled+0x48/0x280
[  685.804530]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  685.810062]  ? should_fail+0x22d/0xd01
[  685.813955]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  685.819060]  ? zap_class+0x640/0x640
[  685.822788]  ? __lock_is_held+0xb5/0x140
[  685.826852]  ? mark_held_locks+0x130/0x130
[  685.831107]  ? lock_release+0xa00/0xa00
[  685.835081]  ? perf_trace_sched_process_exec+0x860/0x860
[  685.840523]  ? xa_load+0x2ba/0x460
[  685.844061]  ? lock_downgrade+0x900/0x900
[  685.848209]  ? __might_sleep+0x95/0x190
[  685.852183]  __alloc_pages_nodemask+0xad8/0xea0
[  685.856852]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  685.861867]  ? __page_cache_alloc+0x191/0x5c0
[  685.866359]  ? xa_load+0x2e1/0x460
[  685.869914]  ? xa_clear_mark+0x40/0x40
[  685.873803]  ? zap_class+0x640/0x640
[  685.877532]  ? zap_class+0x640/0x640
[  685.881248]  ? zap_class+0x640/0x640
[  685.884967]  ? zap_class+0x640/0x640
[  685.888674]  ? __do_page_cache_readahead+0x663/0x810
[  685.893777]  ? find_held_lock+0x36/0x1c0
[  685.897840]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  685.903380]  alloc_pages_current+0x173/0x350
[  685.907785]  __page_cache_alloc+0x38c/0x5c0
[  685.912107]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  685.917034]  ? kasan_check_read+0x11/0x20
[  685.921178]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  685.926457]  ? generic_perform_write+0x6a0/0x6a0
[  685.931211]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  685.936746]  ? check_preemption_disabled+0x48/0x280
[  685.941773]  filemap_fault+0x1595/0x25f0
[  685.945845]  ? __lock_page_or_retry+0xa00/0xa00
[  685.950510]  ? mark_held_locks+0x130/0x130
[  685.954750]  ? filemap_map_pages+0xd6b/0x1a20
[  685.959242]  ? lock_downgrade+0x900/0x900
[  685.963403]  ? check_preemption_disabled+0x48/0x280
[  685.968437]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  685.973362]  ? kasan_check_read+0x11/0x20
[  685.977505]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  685.982774]  ? rcu_softirq_qs+0x20/0x20
[  685.986751]  ? filemap_map_pages+0xd92/0x1a20
[  685.991241]  ? queue_work_on+0x12c/0x1e0
[  685.995302]  ? find_get_entries_tag+0x1400/0x1400
[  686.000145]  ? debug_object_destroy+0x2b0/0x2b0
[  686.004816]  ? lock_pi_update_atomic+0x150/0x150
[  686.009565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.015225]  ? lock_acquire+0x1ed/0x520
[  686.019195]  ? ext4_filemap_fault+0x7a/0xad
[  686.023527]  ? lock_release+0xa00/0xa00
[  686.027496]  ? perf_trace_sched_process_exec+0x860/0x860
[  686.032950]  ? print_usage_bug+0xc0/0xc0
[  686.037010]  ? print_usage_bug+0xc0/0xc0
[  686.041090]  ? down_read+0x8d/0x120
[  686.044709]  ? ext4_filemap_fault+0x7a/0xad
[  686.049028]  ? __down_interruptible+0x700/0x700
[  686.053712]  ext4_filemap_fault+0x82/0xad
[  686.057855]  __do_fault+0x100/0x6b0
[  686.061610]  ? find_held_lock+0x36/0x1c0
[  686.065671]  ? pmd_devmap_trans_unstable+0x220/0x220
[  686.070769]  ? mark_held_locks+0x130/0x130
[  686.075003]  ? mark_held_locks+0x130/0x130
[  686.079329]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  686.084865]  __handle_mm_fault+0x3ea0/0x5be0
[  686.089269]  ? perf_trace_lock+0x7a0/0x7a0
[  686.093524]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  686.098370]  ? __switch_to_asm+0x34/0x70
[  686.102424]  ? __switch_to_asm+0x34/0x70
[  686.106617]  ? zap_class+0x640/0x640
[  686.110324]  ? zap_class+0x640/0x640
[  686.114033]  ? __x64_sys_futex+0x53e/0x6a0
[  686.118284]  ? find_held_lock+0x36/0x1c0
[  686.122349]  ? handle_mm_fault+0x42a/0xc70
[  686.126578]  ? lock_downgrade+0x900/0x900
[  686.130719]  ? check_preemption_disabled+0x48/0x280
[  686.135742]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  686.140799]  ? kasan_check_read+0x11/0x20
[  686.144946]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  686.150239]  ? rcu_softirq_qs+0x20/0x20
[  686.154211]  ? trace_hardirqs_off_caller+0x310/0x310
[  686.159335]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  686.164881]  ? check_preemption_disabled+0x48/0x280
[  686.169942]  handle_mm_fault+0x54f/0xc70
[  686.174007]  ? __handle_mm_fault+0x5be0/0x5be0
[  686.178591]  ? find_vma+0x34/0x190
[  686.182134]  __do_page_fault+0x5e8/0xe60
[  686.186205]  ? trace_hardirqs_off+0xb8/0x310
[  686.190706]  do_page_fault+0xf2/0x7e0
[  686.194500]  ? vmalloc_sync_all+0x30/0x30
[  686.198637]  ? error_entry+0x70/0xd0
[  686.202341]  ? trace_hardirqs_off_caller+0xbb/0x310
[  686.207363]  ? trace_hardirqs_on_caller+0xc0/0x310
[  686.212369]  ? syscall_return_slowpath+0x5e0/0x5e0
[  686.217290]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  686.222126]  ? trace_hardirqs_on_caller+0x310/0x310
[  686.227137]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  686.232587]  ? prepare_exit_to_usermode+0x291/0x3b0
[  686.237613]  ? page_fault+0x8/0x30
[  686.241149]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  686.246006]  ? page_fault+0x8/0x30
[  686.249558]  page_fault+0x1e/0x30
[  686.253095] RIP: 0033:0x40f9c0
[  686.256301] Code: Bad RIP value.
[  686.259657] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  686.265013] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  686.272274] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  686.279714] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  686.286983] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  686.294249] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  686.301541] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  686.301545] warn_alloc_show_mem: 1 callbacks suppressed
[  686.301552] Mem-Info:
[  686.308819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  686.314195] active_anon:54071 inactive_anon:192 isolated_anon:0
[  686.314195]  active_file:13 inactive_file:14 isolated_file:0
[  686.314195]  unevictable:0 dirty:0 writeback:0 unstable:0
[  686.314195]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  686.314195]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  686.314195]  free:13779 free_pcp:228 free_cma:0
[  686.316562] Call Trace:
[  686.325944] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  686.358803]  <IRQ>
[  686.361381] 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
[  686.388871]  dump_stack+0x244/0x39d
[  686.390987] lowmem_reserve[]: 0 2818 6321 6321
[  686.417099]  ? dump_stack_print_info.cold.1+0x20/0x20
[  686.420692] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  686.425271]  warn_alloc.cold.116+0xb7/0x1bd
[  686.430416] lowmem_reserve[]: 0 0 3503 3503
[  686.458034]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  686.462339] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  686.466660]  ? lock_downgrade+0x900/0x900
[  686.471485] lowmem_reserve[]: 0 0 0 0
[  686.500375]  ? trace_hardirqs_off+0xb8/0x310
[  686.504491] 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
[  686.508292]  ? trace_hardirqs_off+0xb8/0x310
[  686.512666] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  686.526192]  __alloc_pages_slowpath+0x2651/0x2de0
[  686.530565] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  686.546453]  ? warn_alloc+0x120/0x120
[  686.551250] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  686.566836]  ? print_usage_bug+0xc0/0xc0
[  686.570612] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  686.579444]  ? warn_alloc+0x120/0x120
[  686.583481] 271 total pagecache pages
[  686.592047]  ? warn_alloc+0x120/0x120
[  686.595844] 0 pages in swap cache
[  686.599626]  ? print_usage_bug+0xc0/0xc0
[  686.603419] Swap cache stats: add 0, delete 0, find 0/0
[  686.606856]  ? print_usage_bug+0xc0/0xc0
[  686.610900] Free swap  = 0kB
[  686.616253]  ? __lock_acquire+0x62f/0x4c20
[  686.620284] Total swap = 0kB
[  686.623292]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  686.627513] 1965979 pages RAM
[  686.630520]  ? should_fail+0x22d/0xd01
[  686.636112] 0 pages HighMem/MovableOnly
[  686.639214]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  686.643078] 342854 pages reserved
[  686.643084] 0 pages cma reserved
[  686.647061]  ? __lock_acquire+0x62f/0x4c20
[  686.652208] aoe: skb alloc failure
[  686.655930]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  686.659327] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  686.663520]  ? __lock_acquire+0x62f/0x4c20
[  686.667031] syz-fuzzer cpuset=/ mems_allowed=0
[  686.672232]  ? should_fail+0x22d/0xd01
[  686.672247]  ? find_held_lock+0x36/0x1c0
[  686.699330]  ? mark_held_locks+0x130/0x130
[  686.703565]  ? mark_held_locks+0x130/0x130
[  686.707794]  ? zap_class+0x640/0x640
[  686.711502]  ? zap_class+0x640/0x640
[  686.715213]  ? print_usage_bug+0xc0/0xc0
[  686.719268]  ? do_raw_spin_unlock+0xa7/0x330
[  686.723675]  ? zap_class+0x640/0x640
[  686.727386]  ? print_usage_bug+0xc0/0xc0
[  686.731447]  ? wq_watchdog_touch+0x9c/0xfe
[  686.735699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.741235]  ? check_preemption_disabled+0x48/0x280
[  686.746254]  ? __lock_is_held+0xb5/0x140
[  686.750316]  __alloc_pages_nodemask+0xad8/0xea0
[  686.755022]  ? zap_class+0x640/0x640
[  686.758736]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  686.763756]  ? find_held_lock+0x36/0x1c0
[  686.767837]  ? ____cache_alloc_node+0x1c7/0x1e0
[  686.772515]  ? lock_downgrade+0x900/0x900
[  686.776670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.782208]  cache_grow_begin+0xa5/0x8c0
[  686.786265]  ? do_raw_spin_unlock+0xa7/0x330
[  686.790804]  fallback_alloc+0x204/0x2e0
[  686.794784]  ____cache_alloc_node+0x1c7/0x1e0
[  686.799280]  kmem_cache_alloc_node+0xe3/0x730
[  686.803771]  ? ipv6_get_ifaddr+0x42e/0x620
[  686.808012]  __alloc_skb+0x119/0x770
[  686.811761]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  686.817038]  ? netdev_alloc_frag+0x1f0/0x1f0
[  686.821448]  ? lock_downgrade+0x900/0x900
[  686.826089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.831623]  ? refcount_sub_and_test_checked+0x203/0x310
[  686.837088]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  686.842548]  ? addrconf_rs_timer+0x690/0x690
[  686.846963]  ndisc_alloc_skb+0x144/0x340
[  686.851027]  ndisc_send_rs+0x331/0x6e0
[  686.854948]  addrconf_rs_timer+0x314/0x690
[  686.859201]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  686.863451]  call_timer_fn+0x272/0x920
[  686.867335]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  686.871582]  ? process_timeout+0x40/0x40
[  686.875643]  ? __run_timers+0x7da/0xc70
[  686.879624]  ? _raw_spin_unlock_irq+0x27/0x80
[  686.884218]  ? _raw_spin_unlock_irq+0x27/0x80
[  686.888707]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  686.892942]  ? lockdep_hardirqs_on+0x296/0x5b0
[  686.897534]  ? trace_hardirqs_on+0xbd/0x310
[  686.901859]  ? kasan_check_read+0x11/0x20
[  686.906094]  ? __run_timers+0x7da/0xc70
[  686.910064]  ? trace_hardirqs_off_caller+0x310/0x310
[  686.915166]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  686.919399]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  686.923626]  __run_timers+0x7e5/0xc70
[  686.927430]  ? timer_fixup_init+0x70/0x70
[  686.931586]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  686.936616]  ? zap_class+0x640/0x640
[  686.940333]  ? enqueue_hrtimer+0x1a5/0x560
[  686.944564]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  686.949772]  ? find_held_lock+0x36/0x1c0
[  686.953834]  ? zap_class+0x640/0x640
[  686.957550]  ? pvclock_read_flags+0x160/0x160
[  686.962060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.967594]  ? check_preemption_disabled+0x48/0x280
[  686.972614]  ? __lock_is_held+0xb5/0x140
[  686.976672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.982208]  ? check_preemption_disabled+0x48/0x280
[  686.987330]  run_timer_softirq+0x52/0xb0
[  686.991387]  ? rcu_read_lock_sched_held+0x14f/0x180
[  686.996401]  __do_softirq+0x308/0xb7e
[  687.000200]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  687.004695]  ? lock_downgrade+0x900/0x900
[  687.008847]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  687.013952]  ? pvclock_read_flags+0x160/0x160
[  687.018453]  ? lapic_next_event+0x5a/0x90
[  687.022604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.028143]  ? kvm_clock_read+0x18/0x30
[  687.032113]  ? kvm_sched_clock_read+0x9/0x20
[  687.036521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.042057]  ? check_preemption_disabled+0x48/0x280
[  687.047077]  irq_exit+0x17f/0x1c0
[  687.050544]  smp_apic_timer_interrupt+0x1cb/0x760
[  687.055383]  ? smp_reschedule_interrupt+0x109/0x650
[  687.060395]  ? smp_call_function_single_interrupt+0x650/0x650
[  687.066274]  ? interrupt_entry+0xb5/0xc0
[  687.070331]  ? trace_hardirqs_off_caller+0xbb/0x310
[  687.075340]  ? trace_hardirqs_off_caller+0xbb/0x310
[  687.080355]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  687.085197]  ? trace_hardirqs_on_caller+0x310/0x310
[  687.090231]  ? trace_hardirqs_on_caller+0x310/0x310
[  687.095246]  ? task_prio+0x50/0x50
[  687.098788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.104322]  ? check_preemption_disabled+0x48/0x280
[  687.109343]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  687.114191]  apic_timer_interrupt+0xf/0x20
[  687.118414]  </IRQ>
[  687.120655] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  687.125599] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  687.144495] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  687.152199] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  687.159465] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  687.166741] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  687.174003] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  687.181272] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  687.188575]  skb_clone+0x1bb/0x500
[  687.192116]  ? finish_task_switch+0x1b4/0x910
[  687.196608]  ? skb_split+0x11e0/0x11e0
[  687.200498]  ? preempt_notifier_register+0x200/0x200
[  687.205593]  ? __switch_to_asm+0x34/0x70
[  687.209649]  ? __switch_to_asm+0x34/0x70
[  687.213704]  ? __switch_to_asm+0x40/0x70
[  687.217756]  ? __switch_to_asm+0x34/0x70
[  687.221811]  ? __switch_to_asm+0x40/0x70
[  687.225866]  ? __switch_to_asm+0x34/0x70
[  687.229942]  ? __switch_to_asm+0x40/0x70
[  687.233998]  ? __switch_to_asm+0x34/0x70
[  687.238077]  ? __switch_to_asm+0x34/0x70
[  687.242156]  ? __switch_to_asm+0x40/0x70
[  687.246210]  ? __switch_to_asm+0x34/0x70
[  687.250273]  bpf_clone_redirect+0xb9/0x490
[  687.254505]  ? __schedule+0x8d7/0x21d0
[  687.258395]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  687.263410]  ? __sched_text_start+0x8/0x8
[  687.267558]  ? retint_kernel+0x2d/0x2d
[  687.271457]  ? find_held_lock+0x36/0x1c0
[  687.275527]  ? lock_acquire+0x1ed/0x520
[  687.279500]  ? bpf_test_run+0x3cb/0x780
[  687.283473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.289010]  ? check_preemption_disabled+0x48/0x280
[  687.294026]  ? kasan_check_read+0x11/0x20
[  687.298174]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  687.303451]  ? rcu_softirq_qs+0x20/0x20
[  687.307437]  ? preempt_schedule+0x4d/0x60
[  687.311580]  ? ___preempt_schedule+0x16/0x18
[  687.315994]  ? bpf_test_run+0x25d/0x780
[  687.319972]  ? netlink_diag_dump+0x2a0/0x2a0
[  687.324377]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  687.329915]  ? bpf_test_init.isra.10+0x70/0x100
[  687.334593]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  687.339354]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  687.344189]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  687.349721]  ? fput+0x130/0x1a0
[  687.353004]  ? __bpf_prog_get+0x9b/0x290
[  687.357062]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  687.361994]  ? bpf_prog_test_run+0x130/0x1a0
[  687.366404]  ? __x64_sys_bpf+0x3db/0x520
[  687.370463]  ? bpf_prog_get+0x20/0x20
[  687.374278]  ? do_syscall_64+0x1b9/0x820
[  687.378422]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  687.383787]  ? syscall_return_slowpath+0x5e0/0x5e0
[  687.388714]  ? trace_hardirqs_on_caller+0x310/0x310
[  687.393724]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  687.398736]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  687.405397]  ? __switch_to_asm+0x40/0x70
[  687.409460]  ? __switch_to_asm+0x34/0x70
[  687.413521]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  687.418362]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  687.423740] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  687.423823] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  687.430760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  687.430767] Call Trace:
[  687.437385] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  687.446583]  <IRQ>
[  687.449147] syz-executor5 cpuset=syz5 mems_allowed=0
[  687.459625]  dump_stack+0x244/0x39d
[  687.470450]  ? dump_stack_print_info.cold.1+0x20/0x20
[  687.475647]  warn_alloc.cold.116+0xb7/0x1bd
[  687.479971]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  687.484813]  ? lock_downgrade+0x900/0x900
[  687.488965]  ? trace_hardirqs_off+0xb8/0x310
[  687.493375]  ? trace_hardirqs_off+0xb8/0x310
[  687.497788]  __alloc_pages_slowpath+0x2651/0x2de0
[  687.502649]  ? warn_alloc+0x120/0x120
[  687.506453]  ? warn_alloc+0x120/0x120
[  687.510260]  ? __lock_acquire+0x62f/0x4c20
[  687.514491]  ? warn_alloc+0x120/0x120
[  687.518303]  ? print_usage_bug+0xc0/0xc0
[  687.522365]  ? print_usage_bug+0xc0/0xc0
[  687.526458]  ? mark_held_locks+0x130/0x130
[  687.530695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  687.536232]  ? should_fail+0x22d/0xd01
[  687.540115]  ? zap_class+0x640/0x640
[  687.543830]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  687.548953]  ? __lock_acquire+0x62f/0x4c20
[  687.553187]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  687.558285]  ? should_fail+0x22d/0xd01
[  687.562176]  ? mark_held_locks+0x130/0x130
[  687.566412]  ? mark_held_locks+0x130/0x130
[  687.570640]  ? lock_downgrade+0x900/0x900
[  687.574787]  ? zap_class+0x640/0x640
[  687.578495]  ? zap_class+0x640/0x640
[  687.582210]  ? zap_class+0x640/0x640
[  687.585927]  ? do_raw_spin_unlock+0xa7/0x330
[  687.590331]  ? trace_hardirqs_on+0x310/0x310
[  687.594732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.600280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.605829]  ? check_preemption_disabled+0x48/0x280
[  687.610852]  ? __lock_is_held+0xb5/0x140
[  687.614939]  __alloc_pages_nodemask+0xad8/0xea0
[  687.619603]  ? zap_class+0x640/0x640
[  687.623320]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  687.628340]  ? find_held_lock+0x36/0x1c0
[  687.632408]  ? ____cache_alloc_node+0x1c7/0x1e0
[  687.637069]  ? lock_downgrade+0x900/0x900
[  687.641220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.646756]  cache_grow_begin+0xa5/0x8c0
[  687.650819]  ? do_raw_spin_unlock+0xa7/0x330
[  687.655230]  fallback_alloc+0x204/0x2e0
[  687.659205]  ____cache_alloc_node+0x1c7/0x1e0
[  687.663701]  kmem_cache_alloc_node+0xe3/0x730
[  687.668199]  ? lockdep_hardirqs_on+0x296/0x5b0
[  687.672788]  __alloc_skb+0x119/0x770
[  687.676497]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  687.681866]  ? netdev_alloc_frag+0x1f0/0x1f0
[  687.686366]  ? vprintk_default+0x28/0x30
[  687.690423]  ? vprintk_func+0x85/0x181
[  687.694308]  ? printk+0xa7/0xcf
[  687.697589]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  687.702346]  ? do_raw_spin_trylock+0x270/0x270
[  687.706937]  new_skb+0x26/0x1c0
[  687.710212]  aoecmd_cfg+0x279/0x7f0
[  687.713839]  ? find_held_lock+0x36/0x1c0
[  687.717923]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  687.722249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.727794]  ? __lock_is_held+0xb5/0x140
[  687.731866]  discover_timer+0x50/0x60
[  687.735667]  call_timer_fn+0x272/0x920
[  687.739551]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  687.744391]  ? process_timeout+0x40/0x40
[  687.748459]  ? mark_held_locks+0xc7/0x130
[  687.752611]  ? _raw_spin_unlock_irq+0x27/0x80
[  687.757099]  ? _raw_spin_unlock_irq+0x27/0x80
[  687.761589]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  687.766429]  ? lockdep_hardirqs_on+0x296/0x5b0
[  687.771010]  ? trace_hardirqs_on+0xbd/0x310
[  687.775323]  ? kasan_check_read+0x11/0x20
[  687.779462]  ? __run_timers+0x7da/0xc70
[  687.783451]  ? trace_hardirqs_off_caller+0x310/0x310
[  687.788562]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  687.793396]  __run_timers+0x7e5/0xc70
[  687.797201]  ? timer_fixup_init+0x70/0x70
[  687.801346]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  687.806366]  ? zap_class+0x640/0x640
[  687.810078]  ? print_usage_bug+0xc0/0xc0
[  687.814138]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  687.819326]  ? find_held_lock+0x36/0x1c0
[  687.823388]  ? zap_class+0x640/0x640
[  687.827104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.832640]  ? check_preemption_disabled+0x48/0x280
[  687.837775]  ? __lock_is_held+0xb5/0x140
[  687.841832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.847370]  ? check_preemption_disabled+0x48/0x280
[  687.852386]  run_timer_softirq+0x52/0xb0
[  687.856445]  ? rcu_read_lock_sched_held+0x14f/0x180
[  687.861457]  __do_softirq+0x308/0xb7e
[  687.865254]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  687.869748]  ? lock_downgrade+0x900/0x900
[  687.873903]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  687.879020]  ? pvclock_read_flags+0x160/0x160
[  687.883532]  ? lapic_next_event+0x5a/0x90
[  687.887683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.893222]  ? kvm_clock_read+0x18/0x30
[  687.897199]  ? kvm_sched_clock_read+0x9/0x20
[  687.901610]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  687.907146]  ? check_preemption_disabled+0x48/0x280
[  687.912180]  irq_exit+0x17f/0x1c0
[  687.915627]  smp_apic_timer_interrupt+0x1cb/0x760
[  687.920465]  ? smp_reschedule_interrupt+0x109/0x650
[  687.925487]  ? smp_call_function_single_interrupt+0x650/0x650
[  687.931454]  ? interrupt_entry+0xb5/0xc0
[  687.935515]  ? trace_hardirqs_off_caller+0xbb/0x310
[  687.940524]  ? trace_hardirqs_off_caller+0xbb/0x310
[  687.945539]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  687.950557]  ? trace_hardirqs_on_caller+0x310/0x310
[  687.955569]  ? trace_hardirqs_on_caller+0x310/0x310
[  687.960577]  ? task_prio+0x50/0x50
[  687.964130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.969684]  ? check_preemption_disabled+0x48/0x280
[  687.974699]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  687.979545]  apic_timer_interrupt+0xf/0x20
[  687.983768]  </IRQ>
[  687.986006] RIP: 0010:dump_stack+0x358/0x39d
[  687.990412] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  688.009307] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  688.017013] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  688.024277] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  688.031539] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  688.038806] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  688.046072] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  688.053351]  ? dump_stack+0x34f/0x39d
[  688.057164]  ? dump_stack_print_info.cold.1+0x20/0x20
[  688.062352]  ? mark_held_locks+0x130/0x130
[  688.066582]  ? mark_held_locks+0x130/0x130
[  688.070816]  dump_header+0x27b/0xf72
[  688.074536]  ? pagefault_out_of_memory+0x197/0x197
[  688.079469]  ? __lock_acquire+0x62f/0x4c20
[  688.083701]  ? percpu_ref_get_many+0x240/0x240
[  688.088282]  ? print_usage_bug+0xc0/0xc0
[  688.092343]  ? zap_class+0x640/0x640
[  688.096054]  ? print_usage_bug+0xc0/0xc0
[  688.100110]  ? print_usage_bug+0xc0/0xc0
[  688.104169]  ? zap_class+0x640/0x640
[  688.107889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.113433]  ? find_held_lock+0x36/0x1c0
[  688.117496]  ? mark_held_locks+0xc7/0x130
[  688.121641]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  688.126740]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  688.131842]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  688.136424]  ? trace_hardirqs_on+0xbd/0x310
[  688.140743]  ? kasan_check_read+0x11/0x20
[  688.144915]  ? ___ratelimit+0x3b4/0x672
[  688.148897]  ? trace_hardirqs_off_caller+0x310/0x310
[  688.154001]  ? trace_hardirqs_on+0x310/0x310
[  688.158404]  ? lock_downgrade+0x900/0x900
[  688.162549]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  688.167645]  ? ___ratelimit+0x3b9/0x672
[  688.171620]  ? idr_get_free+0xf70/0xf70
[  688.175590]  ? find_held_lock+0x36/0x1c0
[  688.179652]  oom_kill_process.cold.27+0x10/0x903
[  688.184401]  ? zap_class+0x640/0x640
[  688.188108]  ? check_preemption_disabled+0x48/0x280
[  688.193125]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  688.198049]  ? kasan_check_read+0x11/0x20
[  688.202189]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  688.207462]  ? oom_evaluate_task+0x540/0x540
[  688.211868]  ? find_held_lock+0x36/0x1c0
[  688.215946]  ? out_of_memory+0x974/0x1430
[  688.220090]  ? lock_downgrade+0x900/0x900
[  688.224252]  ? check_preemption_disabled+0x48/0x280
[  688.229267]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  688.234193]  ? kasan_check_read+0x11/0x20
[  688.238352]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  688.243630]  ? rcu_softirq_qs+0x20/0x20
[  688.247603]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  688.253134]  ? oom_evaluate_task+0x302/0x540
[  688.257538]  out_of_memory+0xa84/0x1430
[  688.261517]  ? oom_killer_disable+0x3a0/0x3a0
[  688.266004]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  688.270936]  ? __ww_mutex_check_waiters+0x160/0x160
[  688.275985]  __alloc_pages_slowpath+0x232c/0x2de0
[  688.280846]  ? warn_alloc+0x120/0x120
[  688.284645]  ? mark_held_locks+0x130/0x130
[  688.288883]  ? find_get_entry+0xaae/0x1120
[  688.293120]  ? filemap_map_pages+0x1a20/0x1a20
[  688.297703]  ? zap_class+0x640/0x640
[  688.301416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.306972]  ? check_preemption_disabled+0x48/0x280
[  688.311984]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  688.317517]  ? should_fail+0x22d/0xd01
[  688.321421]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  688.326519]  ? zap_class+0x640/0x640
[  688.330252]  ? __lock_is_held+0xb5/0x140
[  688.334317]  ? mark_held_locks+0x130/0x130
[  688.338551]  ? lock_release+0xa00/0xa00
[  688.342526]  ? perf_trace_sched_process_exec+0x860/0x860
[  688.347969]  ? xa_load+0x2ba/0x460
[  688.351505]  ? lock_downgrade+0x900/0x900
[  688.355651]  ? __might_sleep+0x95/0x190
[  688.359624]  __alloc_pages_nodemask+0xad8/0xea0
[  688.364295]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  688.369310]  ? __page_cache_alloc+0x191/0x5c0
[  688.373795]  ? xa_load+0x2e1/0x460
[  688.377332]  ? xa_clear_mark+0x40/0x40
[  688.381213]  ? zap_class+0x640/0x640
[  688.384925]  ? zap_class+0x640/0x640
[  688.388642]  ? zap_class+0x640/0x640
[  688.392370]  ? zap_class+0x640/0x640
[  688.396079]  ? __do_page_cache_readahead+0x663/0x810
[  688.401182]  ? find_held_lock+0x36/0x1c0
[  688.405330]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  688.410866]  alloc_pages_current+0x173/0x350
[  688.415296]  __page_cache_alloc+0x38c/0x5c0
[  688.419609]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  688.424539]  ? kasan_check_read+0x11/0x20
[  688.428680]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  688.433973]  ? generic_perform_write+0x6a0/0x6a0
[  688.438724]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  688.444264]  ? check_preemption_disabled+0x48/0x280
[  688.449283]  filemap_fault+0x1595/0x25f0
[  688.453354]  ? __lock_page_or_retry+0xa00/0xa00
[  688.458021]  ? mark_held_locks+0x130/0x130
[  688.462260]  ? filemap_map_pages+0xd6b/0x1a20
[  688.466770]  ? lock_downgrade+0x900/0x900
[  688.470920]  ? check_preemption_disabled+0x48/0x280
[  688.475937]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  688.480857]  ? kasan_check_read+0x11/0x20
[  688.485008]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  688.490281]  ? rcu_softirq_qs+0x20/0x20
[  688.494260]  ? filemap_map_pages+0xd92/0x1a20
[  688.498752]  ? queue_work_on+0x12c/0x1e0
[  688.502832]  ? find_get_entries_tag+0x1400/0x1400
[  688.507674]  ? debug_object_destroy+0x2b0/0x2b0
[  688.512341]  ? lock_pi_update_atomic+0x150/0x150
[  688.517092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.522639]  ? lock_acquire+0x1ed/0x520
[  688.526605]  ? ext4_filemap_fault+0x7a/0xad
[  688.530929]  ? lock_release+0xa00/0xa00
[  688.534899]  ? perf_trace_sched_process_exec+0x860/0x860
[  688.540348]  ? print_usage_bug+0xc0/0xc0
[  688.544404]  ? print_usage_bug+0xc0/0xc0
[  688.548473]  ? down_read+0x8d/0x120
[  688.552111]  ? ext4_filemap_fault+0x7a/0xad
[  688.556429]  ? __down_interruptible+0x700/0x700
[  688.561116]  ext4_filemap_fault+0x82/0xad
[  688.565262]  __do_fault+0x100/0x6b0
[  688.568890]  ? find_held_lock+0x36/0x1c0
[  688.572951]  ? pmd_devmap_trans_unstable+0x220/0x220
[  688.578064]  ? mark_held_locks+0x130/0x130
[  688.582293]  ? mark_held_locks+0x130/0x130
[  688.586530]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  688.592069]  __handle_mm_fault+0x3ea0/0x5be0
[  688.596470]  ? perf_trace_lock+0x7a0/0x7a0
[  688.600705]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  688.605572]  ? __switch_to_asm+0x34/0x70
[  688.609626]  ? __switch_to_asm+0x34/0x70
[  688.613705]  ? zap_class+0x640/0x640
[  688.617415]  ? zap_class+0x640/0x640
[  688.621124]  ? __x64_sys_futex+0x53e/0x6a0
[  688.625360]  ? find_held_lock+0x36/0x1c0
[  688.629509]  ? handle_mm_fault+0x42a/0xc70
[  688.633737]  ? lock_downgrade+0x900/0x900
[  688.637882]  ? check_preemption_disabled+0x48/0x280
[  688.642987]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  688.647916]  ? kasan_check_read+0x11/0x20
[  688.652067]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  688.657820]  ? rcu_softirq_qs+0x20/0x20
[  688.661795]  ? trace_hardirqs_off_caller+0x310/0x310
[  688.666905]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  688.672438]  ? check_preemption_disabled+0x48/0x280
[  688.677461]  handle_mm_fault+0x54f/0xc70
[  688.681525]  ? __handle_mm_fault+0x5be0/0x5be0
[  688.686108]  ? find_vma+0x34/0x190
[  688.689651]  __do_page_fault+0x5e8/0xe60
[  688.693709]  ? trace_hardirqs_off+0xb8/0x310
[  688.698121]  do_page_fault+0xf2/0x7e0
[  688.701934]  ? vmalloc_sync_all+0x30/0x30
[  688.706184]  ? error_entry+0x70/0xd0
[  688.709900]  ? trace_hardirqs_off_caller+0xbb/0x310
[  688.714914]  ? trace_hardirqs_on_caller+0xc0/0x310
[  688.719843]  ? syscall_return_slowpath+0x5e0/0x5e0
[  688.724779]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  688.729621]  ? trace_hardirqs_on_caller+0x310/0x310
[  688.734630]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  688.740098]  ? prepare_exit_to_usermode+0x291/0x3b0
[  688.745128]  ? page_fault+0x8/0x30
[  688.748665]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  688.753518]  ? page_fault+0x8/0x30
[  688.757145]  page_fault+0x1e/0x30
[  688.760595] RIP: 0033:0x40f9c0
[  688.763799] Code: Bad RIP value.
[  688.767158] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  688.772531] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  688.779790] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  688.787076] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  688.794490] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  688.801754] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  688.809134] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  688.809139] warn_alloc_show_mem: 1 callbacks suppressed
[  688.809145] Mem-Info:
[  688.816416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  688.821777] active_anon:54071 inactive_anon:192 isolated_anon:0
[  688.821777]  active_file:13 inactive_file:14 isolated_file:0
[  688.821777]  unevictable:0 dirty:0 writeback:0 unstable:0
[  688.821777]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  688.821777]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  688.821777]  free:13779 free_pcp:228 free_cma:0
[  688.824639] Call Trace:
[  688.834052] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  688.866892]  <IRQ>
[  688.869471] 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
[  688.896979]  dump_stack+0x244/0x39d
[  688.899189] lowmem_reserve[]: 0 2818 6321 6321
[  688.925298]  ? dump_stack_print_info.cold.1+0x20/0x20
[  688.928910] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  688.933493]  warn_alloc.cold.116+0xb7/0x1bd
[  688.938650] lowmem_reserve[]: 0 0 3503 3503
[  688.966146]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  688.970438] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  688.974925]  ? lock_downgrade+0x900/0x900
[  688.979737] lowmem_reserve[]: 0 0 0 0
[  689.008708]  ? trace_hardirqs_off+0xb8/0x310
[  689.012822] 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
[  689.016618]  ? trace_hardirqs_off+0xb8/0x310
[  689.020997] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  689.034516]  __alloc_pages_slowpath+0x2651/0x2de0
[  689.038894] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  689.054863]  ? warn_alloc+0x120/0x120
[  689.059656] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  689.075247]  ? print_usage_bug+0xc0/0xc0
[  689.079027] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  689.087842]  ? warn_alloc+0x120/0x120
[  689.091883] 271 total pagecache pages
[  689.100461]  ? warn_alloc+0x120/0x120
[  689.104254] 0 pages in swap cache
[  689.108035]  ? print_usage_bug+0xc0/0xc0
[  689.111808] Swap cache stats: add 0, delete 0, find 0/0
[  689.115247]  ? kvm_clock_read+0x18/0x30
[  689.119283] Free swap  = 0kB
[  689.124650]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  689.128593] Total swap = 0kB
[  689.131603]  ? print_usage_bug+0xc0/0xc0
[  689.136592] 1965979 pages RAM
[  689.139599]  ? __lock_acquire+0x62f/0x4c20
[  689.143627] 0 pages HighMem/MovableOnly
[  689.143634] 342854 pages reserved
[  689.146730]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  689.150933] 0 pages cma reserved
[  689.154893]  ? should_fail+0x22d/0xd01
[  689.158386] aoe: skb alloc failure
[  689.163845]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  689.163868]  ? __lock_acquire+0x62f/0x4c20
[  689.163886]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  689.167262] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  689.171104]  ? __lock_acquire+0x62f/0x4c20
[  689.174614] syz-fuzzer cpuset=/ mems_allowed=0
[  689.179699]  ? should_fail+0x22d/0xd01
[  689.179723]  ? mark_held_locks+0x130/0x130
[  689.216437]  ? mark_held_locks+0x130/0x130
[  689.220669]  ? try_to_wake_up+0x11c/0x1490
[  689.224907]  ? lock_downgrade+0x900/0x900
[  689.229056]  ? zap_class+0x640/0x640
[  689.232767]  ? print_usage_bug+0xc0/0xc0
[  689.236842]  ? trace_hardirqs_off+0xb8/0x310
[  689.241256]  ? kasan_check_read+0x11/0x20
[  689.245406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.250944]  ? check_preemption_disabled+0x48/0x280
[  689.255963]  ? __lock_is_held+0xb5/0x140
[  689.260026]  __alloc_pages_nodemask+0xad8/0xea0
[  689.264694]  ? zap_class+0x640/0x640
[  689.268411]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  689.273441]  ? find_held_lock+0x36/0x1c0
[  689.277508]  ? ____cache_alloc_node+0x1c7/0x1e0
[  689.282173]  ? lock_downgrade+0x900/0x900
[  689.286324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.291874]  cache_grow_begin+0xa5/0x8c0
[  689.295931]  ? do_raw_spin_unlock+0xa7/0x330
[  689.300345]  fallback_alloc+0x204/0x2e0
[  689.304320]  ____cache_alloc_node+0x1c7/0x1e0
[  689.308814]  kmem_cache_alloc_node+0xe3/0x730
[  689.313322]  ? ipv6_get_ifaddr+0x42e/0x620
[  689.317562]  __alloc_skb+0x119/0x770
[  689.321268]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  689.326542]  ? netdev_alloc_frag+0x1f0/0x1f0
[  689.330946]  ? lock_downgrade+0x900/0x900
[  689.335099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.340628]  ? refcount_sub_and_test_checked+0x203/0x310
[  689.346075]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  689.351520]  ? addrconf_rs_timer+0x690/0x690
[  689.355939]  ndisc_alloc_skb+0x144/0x340
[  689.360002]  ndisc_send_rs+0x331/0x6e0
[  689.363894]  addrconf_rs_timer+0x314/0x690
[  689.368129]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  689.372385]  call_timer_fn+0x272/0x920
[  689.376267]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  689.380495]  ? process_timeout+0x40/0x40
[  689.384560]  ? __run_timers+0x7da/0xc70
[  689.388531]  ? _raw_spin_unlock_irq+0x27/0x80
[  689.393022]  ? _raw_spin_unlock_irq+0x27/0x80
[  689.397509]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  689.401741]  ? lockdep_hardirqs_on+0x296/0x5b0
[  689.406317]  ? trace_hardirqs_on+0xbd/0x310
[  689.410633]  ? kasan_check_read+0x11/0x20
[  689.414784]  ? __run_timers+0x7da/0xc70
[  689.418870]  ? trace_hardirqs_off_caller+0x310/0x310
[  689.423975]  ? __queue_work+0x1440/0x1440
[  689.428124]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  689.432353]  __run_timers+0x7e5/0xc70
[  689.436161]  ? timer_fixup_init+0x70/0x70
[  689.440307]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  689.445334]  ? zap_class+0x640/0x640
[  689.449045]  ? enqueue_hrtimer+0x1a5/0x560
[  689.453277]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  689.458469]  ? find_held_lock+0x36/0x1c0
[  689.462530]  ? zap_class+0x640/0x640
[  689.466249]  ? pvclock_read_flags+0x160/0x160
[  689.470740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.476412]  ? check_preemption_disabled+0x48/0x280
[  689.481434]  ? __lock_is_held+0xb5/0x140
[  689.485491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.491025]  ? check_preemption_disabled+0x48/0x280
[  689.496048]  run_timer_softirq+0x52/0xb0
[  689.500105]  ? rcu_read_lock_sched_held+0x14f/0x180
[  689.505121]  __do_softirq+0x308/0xb7e
[  689.508920]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  689.513413]  ? lock_downgrade+0x900/0x900
[  689.517561]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  689.522929]  ? pvclock_read_flags+0x160/0x160
[  689.527429]  ? lapic_next_event+0x5a/0x90
[  689.531574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.537111]  ? kvm_clock_read+0x18/0x30
[  689.541081]  ? kvm_sched_clock_read+0x9/0x20
[  689.545489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.551024]  ? check_preemption_disabled+0x48/0x280
[  689.556045]  irq_exit+0x17f/0x1c0
[  689.559502]  smp_apic_timer_interrupt+0x1cb/0x760
[  689.564356]  ? smp_reschedule_interrupt+0x109/0x650
[  689.569370]  ? smp_call_function_single_interrupt+0x650/0x650
[  689.575274]  ? interrupt_entry+0xb5/0xc0
[  689.579334]  ? trace_hardirqs_off_caller+0xbb/0x310
[  689.584344]  ? trace_hardirqs_off_caller+0xbb/0x310
[  689.589361]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  689.594204]  ? trace_hardirqs_on_caller+0x310/0x310
[  689.599220]  ? trace_hardirqs_on_caller+0x310/0x310
[  689.604231]  ? task_prio+0x50/0x50
[  689.607771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.613302]  ? check_preemption_disabled+0x48/0x280
[  689.618331]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  689.623177]  apic_timer_interrupt+0xf/0x20
[  689.627403]  </IRQ>
[  689.629641] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  689.634586] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  689.653482] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  689.661272] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  689.668535] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  689.675798] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  689.683063] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  689.690342] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  689.697642]  skb_clone+0x1bb/0x500
[  689.701193]  ? finish_task_switch+0x1b4/0x910
[  689.705688]  ? skb_split+0x11e0/0x11e0
[  689.709573]  ? preempt_notifier_register+0x200/0x200
[  689.714671]  ? __switch_to_asm+0x34/0x70
[  689.718727]  ? __switch_to_asm+0x34/0x70
[  689.722781]  ? __switch_to_asm+0x40/0x70
[  689.726835]  ? __switch_to_asm+0x34/0x70
[  689.730994]  ? __switch_to_asm+0x40/0x70
[  689.735048]  ? __switch_to_asm+0x34/0x70
[  689.739104]  ? __switch_to_asm+0x40/0x70
[  689.743158]  ? __switch_to_asm+0x34/0x70
[  689.747213]  ? __switch_to_asm+0x34/0x70
[  689.751270]  ? __switch_to_asm+0x40/0x70
[  689.755323]  ? __switch_to_asm+0x34/0x70
[  689.759388]  bpf_clone_redirect+0xb9/0x490
[  689.763619]  ? __schedule+0x8d7/0x21d0
[  689.767522]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  689.772547]  ? __sched_text_start+0x8/0x8
[  689.776691]  ? retint_kernel+0x2d/0x2d
[  689.780612]  ? find_held_lock+0x36/0x1c0
[  689.784677]  ? lock_acquire+0x1ed/0x520
[  689.788648]  ? bpf_test_run+0x3cb/0x780
[  689.792619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.798155]  ? check_preemption_disabled+0x48/0x280
[  689.803172]  ? kasan_check_read+0x11/0x20
[  689.807315]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  689.812586]  ? rcu_softirq_qs+0x20/0x20
[  689.816557]  ? preempt_schedule+0x4d/0x60
[  689.820704]  ? ___preempt_schedule+0x16/0x18
[  689.825114]  ? bpf_test_run+0x25d/0x780
[  689.829114]  ? netlink_diag_dump+0x2a0/0x2a0
[  689.833525]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  689.839058]  ? bpf_test_init.isra.10+0x70/0x100
[  689.843730]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  689.848490]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  689.853330]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  689.858870]  ? fput+0x130/0x1a0
[  689.862243]  ? __bpf_prog_get+0x9b/0x290
[  689.866306]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  689.871151]  ? bpf_prog_test_run+0x130/0x1a0
[  689.875566]  ? __x64_sys_bpf+0x3db/0x520
[  689.879622]  ? bpf_prog_get+0x20/0x20
[  689.883442]  ? do_syscall_64+0x1b9/0x820
[  689.887497]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  689.892876]  ? syscall_return_slowpath+0x5e0/0x5e0
[  689.897801]  ? trace_hardirqs_on_caller+0x310/0x310
[  689.902811]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  689.907830]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  689.914496]  ? __switch_to_asm+0x40/0x70
[  689.918553]  ? __switch_to_asm+0x34/0x70
[  689.922615]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  689.927561]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  689.932940] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  689.933021] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  689.939954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  689.939962] Call Trace:
[  689.946522] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  689.955778]  <IRQ>
[  689.958345] syz-executor5 cpuset=syz5 mems_allowed=0
[  689.968821]  dump_stack+0x244/0x39d
[  689.979652]  ? dump_stack_print_info.cold.1+0x20/0x20
[  689.984961]  warn_alloc.cold.116+0xb7/0x1bd
[  689.989281]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  689.994123]  ? lock_downgrade+0x900/0x900
[  689.998279]  ? trace_hardirqs_off+0xb8/0x310
[  690.002693]  ? trace_hardirqs_off+0xb8/0x310
[  690.007106]  __alloc_pages_slowpath+0x2651/0x2de0
[  690.011987]  ? warn_alloc+0x120/0x120
[  690.015791]  ? warn_alloc+0x120/0x120
[  690.019589]  ? __lock_acquire+0x62f/0x4c20
[  690.023827]  ? warn_alloc+0x120/0x120
[  690.027738]  ? print_usage_bug+0xc0/0xc0
[  690.031797]  ? print_usage_bug+0xc0/0xc0
[  690.035862]  ? mark_held_locks+0x130/0x130
[  690.040111]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  690.045643]  ? should_fail+0x22d/0xd01
[  690.049527]  ? zap_class+0x640/0x640
[  690.053235]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  690.058333]  ? __lock_acquire+0x62f/0x4c20
[  690.062566]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  690.067665]  ? should_fail+0x22d/0xd01
[  690.071559]  ? mark_held_locks+0x130/0x130
[  690.075794]  ? mark_held_locks+0x130/0x130
[  690.080044]  ? lock_downgrade+0x900/0x900
[  690.084201]  ? zap_class+0x640/0x640
[  690.087911]  ? zap_class+0x640/0x640
[  690.091649]  ? zap_class+0x640/0x640
[  690.095360]  ? do_raw_spin_unlock+0xa7/0x330
[  690.099766]  ? trace_hardirqs_on+0x310/0x310
[  690.104167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.109701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.115239]  ? check_preemption_disabled+0x48/0x280
[  690.120259]  ? __lock_is_held+0xb5/0x140
[  690.124321]  __alloc_pages_nodemask+0xad8/0xea0
[  690.128989]  ? zap_class+0x640/0x640
[  690.132715]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  690.137750]  ? find_held_lock+0x36/0x1c0
[  690.141814]  ? ____cache_alloc_node+0x1c7/0x1e0
[  690.146488]  ? lock_downgrade+0x900/0x900
[  690.150640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.156175]  cache_grow_begin+0xa5/0x8c0
[  690.160233]  ? do_raw_spin_unlock+0xa7/0x330
[  690.164731]  fallback_alloc+0x204/0x2e0
[  690.168704]  ____cache_alloc_node+0x1c7/0x1e0
[  690.173198]  kmem_cache_alloc_node+0xe3/0x730
[  690.177804]  ? lockdep_hardirqs_on+0x296/0x5b0
[  690.182399]  __alloc_skb+0x119/0x770
[  690.186128]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  690.191492]  ? netdev_alloc_frag+0x1f0/0x1f0
[  690.195906]  ? vprintk_default+0x28/0x30
[  690.199964]  ? vprintk_func+0x85/0x181
[  690.203851]  ? printk+0xa7/0xcf
[  690.207148]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  690.212011]  ? do_raw_spin_trylock+0x270/0x270
[  690.216594]  new_skb+0x26/0x1c0
[  690.219892]  aoecmd_cfg+0x279/0x7f0
[  690.223524]  ? find_held_lock+0x36/0x1c0
[  690.227583]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  690.231905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.237447]  ? __lock_is_held+0xb5/0x140
[  690.241517]  discover_timer+0x50/0x60
[  690.245317]  call_timer_fn+0x272/0x920
[  690.249205]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  690.254044]  ? process_timeout+0x40/0x40
[  690.258111]  ? mark_held_locks+0xc7/0x130
[  690.262257]  ? _raw_spin_unlock_irq+0x27/0x80
[  690.266751]  ? _raw_spin_unlock_irq+0x27/0x80
[  690.271244]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  690.276097]  ? lockdep_hardirqs_on+0x296/0x5b0
[  690.280678]  ? trace_hardirqs_on+0xbd/0x310
[  690.284995]  ? kasan_check_read+0x11/0x20
[  690.289135]  ? __run_timers+0x7da/0xc70
[  690.293104]  ? trace_hardirqs_off_caller+0x310/0x310
[  690.298214]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  690.303051]  __run_timers+0x7e5/0xc70
[  690.306874]  ? timer_fixup_init+0x70/0x70
[  690.311108]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  690.316128]  ? zap_class+0x640/0x640
[  690.319851]  ? print_usage_bug+0xc0/0xc0
[  690.323929]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  690.329118]  ? find_held_lock+0x36/0x1c0
[  690.333181]  ? zap_class+0x640/0x640
[  690.336897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.342431]  ? check_preemption_disabled+0x48/0x280
[  690.347454]  ? __lock_is_held+0xb5/0x140
[  690.351515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.357134]  ? check_preemption_disabled+0x48/0x280
[  690.362327]  run_timer_softirq+0x52/0xb0
[  690.366384]  ? rcu_read_lock_sched_held+0x14f/0x180
[  690.371835]  __do_softirq+0x308/0xb7e
[  690.375648]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  690.380263]  ? lock_downgrade+0x900/0x900
[  690.384423]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  690.389529]  ? pvclock_read_flags+0x160/0x160
[  690.394022]  ? lapic_next_event+0x5a/0x90
[  690.398167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.403706]  ? kvm_clock_read+0x18/0x30
[  690.407681]  ? kvm_sched_clock_read+0x9/0x20
[  690.412088]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  690.417624]  ? check_preemption_disabled+0x48/0x280
[  690.422651]  irq_exit+0x17f/0x1c0
[  690.426101]  smp_apic_timer_interrupt+0x1cb/0x760
[  690.431056]  ? smp_reschedule_interrupt+0x109/0x650
[  690.436073]  ? smp_call_function_single_interrupt+0x650/0x650
[  690.441972]  ? interrupt_entry+0xb5/0xc0
[  690.446059]  ? trace_hardirqs_off_caller+0xbb/0x310
[  690.451071]  ? trace_hardirqs_off_caller+0xbb/0x310
[  690.456081]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  690.460921]  ? trace_hardirqs_on_caller+0x310/0x310
[  690.465934]  ? trace_hardirqs_on_caller+0x310/0x310
[  690.470944]  ? task_prio+0x50/0x50
[  690.474501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.480032]  ? check_preemption_disabled+0x48/0x280
[  690.485047]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  690.489903]  apic_timer_interrupt+0xf/0x20
[  690.494126]  </IRQ>
[  690.496377] RIP: 0010:dump_stack+0x358/0x39d
[  690.500803] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  690.519706] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  690.527411] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  690.534678] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  690.541942] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  690.549230] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  690.556492] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  690.563769]  ? dump_stack+0x34f/0x39d
[  690.567579]  ? dump_stack_print_info.cold.1+0x20/0x20
[  690.572785]  ? mark_held_locks+0x130/0x130
[  690.577015]  ? mark_held_locks+0x130/0x130
[  690.581249]  dump_header+0x27b/0xf72
[  690.584968]  ? pagefault_out_of_memory+0x197/0x197
[  690.589897]  ? __lock_acquire+0x62f/0x4c20
[  690.594129]  ? percpu_ref_get_many+0x240/0x240
[  690.598709]  ? print_usage_bug+0xc0/0xc0
[  690.602770]  ? zap_class+0x640/0x640
[  690.606482]  ? print_usage_bug+0xc0/0xc0
[  690.610534]  ? print_usage_bug+0xc0/0xc0
[  690.614606]  ? zap_class+0x640/0x640
[  690.618322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.623860]  ? find_held_lock+0x36/0x1c0
[  690.627926]  ? mark_held_locks+0xc7/0x130
[  690.632072]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  690.637170]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  690.642268]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  690.646857]  ? trace_hardirqs_on+0xbd/0x310
[  690.651174]  ? kasan_check_read+0x11/0x20
[  690.655784]  ? ___ratelimit+0x3b4/0x672
[  690.659782]  ? trace_hardirqs_off_caller+0x310/0x310
[  690.664905]  ? trace_hardirqs_on+0x310/0x310
[  690.669322]  ? lock_downgrade+0x900/0x900
[  690.673473]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  690.678570]  ? ___ratelimit+0x3b9/0x672
[  690.682544]  ? idr_get_free+0xf70/0xf70
[  690.686514]  ? find_held_lock+0x36/0x1c0
[  690.690582]  oom_kill_process.cold.27+0x10/0x903
[  690.695340]  ? zap_class+0x640/0x640
[  690.699077]  ? check_preemption_disabled+0x48/0x280
[  690.704094]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  690.709032]  ? kasan_check_read+0x11/0x20
[  690.713174]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  690.718450]  ? oom_evaluate_task+0x540/0x540
[  690.722863]  ? find_held_lock+0x36/0x1c0
[  690.726933]  ? out_of_memory+0x974/0x1430
[  690.731078]  ? lock_downgrade+0x900/0x900
[  690.735220]  ? check_preemption_disabled+0x48/0x280
[  690.740233]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  690.745417]  ? kasan_check_read+0x11/0x20
[  690.749563]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  690.754838]  ? rcu_softirq_qs+0x20/0x20
[  690.758828]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  690.764362]  ? oom_evaluate_task+0x302/0x540
[  690.768780]  out_of_memory+0xa84/0x1430
[  690.772757]  ? oom_killer_disable+0x3a0/0x3a0
[  690.777253]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  690.782182]  ? __ww_mutex_check_waiters+0x160/0x160
[  690.787221]  __alloc_pages_slowpath+0x232c/0x2de0
[  690.792087]  ? warn_alloc+0x120/0x120
[  690.795887]  ? mark_held_locks+0x130/0x130
[  690.800126]  ? find_get_entry+0xaae/0x1120
[  690.804363]  ? filemap_map_pages+0x1a20/0x1a20
[  690.808945]  ? zap_class+0x640/0x640
[  690.812661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.818195]  ? check_preemption_disabled+0x48/0x280
[  690.823510]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  690.829066]  ? should_fail+0x22d/0xd01
[  690.832964]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  690.838077]  ? zap_class+0x640/0x640
[  690.841806]  ? __lock_is_held+0xb5/0x140
[  690.845883]  ? mark_held_locks+0x130/0x130
[  690.850133]  ? lock_release+0xa00/0xa00
[  690.854193]  ? perf_trace_sched_process_exec+0x860/0x860
[  690.859656]  ? xa_load+0x2ba/0x460
[  690.863194]  ? lock_downgrade+0x900/0x900
[  690.867346]  ? __might_sleep+0x95/0x190
[  690.871328]  __alloc_pages_nodemask+0xad8/0xea0
[  690.876004]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  690.881046]  ? __page_cache_alloc+0x191/0x5c0
[  690.885534]  ? xa_load+0x2e1/0x460
[  690.889068]  ? xa_clear_mark+0x40/0x40
[  690.892948]  ? zap_class+0x640/0x640
[  690.896658]  ? zap_class+0x640/0x640
[  690.900373]  ? zap_class+0x640/0x640
[  690.904080]  ? zap_class+0x640/0x640
[  690.907788]  ? __do_page_cache_readahead+0x663/0x810
[  690.912899]  ? find_held_lock+0x36/0x1c0
[  690.916975]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  690.922532]  alloc_pages_current+0x173/0x350
[  690.926946]  __page_cache_alloc+0x38c/0x5c0
[  690.931261]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  690.936187]  ? kasan_check_read+0x11/0x20
[  690.940330]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  690.945604]  ? generic_perform_write+0x6a0/0x6a0
[  690.950470]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  690.956007]  ? check_preemption_disabled+0x48/0x280
[  690.961034]  filemap_fault+0x1595/0x25f0
[  690.965117]  ? __lock_page_or_retry+0xa00/0xa00
[  690.969791]  ? mark_held_locks+0x130/0x130
[  690.974035]  ? filemap_map_pages+0xd6b/0x1a20
[  690.978526]  ? lock_downgrade+0x900/0x900
[  690.982668]  ? check_preemption_disabled+0x48/0x280
[  690.987689]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  690.992613]  ? kasan_check_read+0x11/0x20
[  690.996755]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  691.002026]  ? rcu_softirq_qs+0x20/0x20
[  691.006011]  ? filemap_map_pages+0xd92/0x1a20
[  691.010512]  ? queue_work_on+0x12c/0x1e0
[  691.014572]  ? find_get_entries_tag+0x1400/0x1400
[  691.019433]  ? debug_object_destroy+0x2b0/0x2b0
[  691.024100]  ? lock_pi_update_atomic+0x150/0x150
[  691.028877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.034528]  ? lock_acquire+0x1ed/0x520
[  691.038500]  ? ext4_filemap_fault+0x7a/0xad
[  691.042835]  ? lock_release+0xa00/0xa00
[  691.046813]  ? perf_trace_sched_process_exec+0x860/0x860
[  691.052265]  ? print_usage_bug+0xc0/0xc0
[  691.056322]  ? print_usage_bug+0xc0/0xc0
[  691.060404]  ? down_read+0x8d/0x120
[  691.064037]  ? ext4_filemap_fault+0x7a/0xad
[  691.068366]  ? __down_interruptible+0x700/0x700
[  691.073039]  ext4_filemap_fault+0x82/0xad
[  691.077185]  __do_fault+0x100/0x6b0
[  691.080815]  ? find_held_lock+0x36/0x1c0
[  691.084876]  ? pmd_devmap_trans_unstable+0x220/0x220
[  691.089979]  ? mark_held_locks+0x130/0x130
[  691.094207]  ? mark_held_locks+0x130/0x130
[  691.098447]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  691.103991]  __handle_mm_fault+0x3ea0/0x5be0
[  691.108393]  ? perf_trace_lock+0x7a0/0x7a0
[  691.112633]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  691.117564]  ? __switch_to_asm+0x34/0x70
[  691.121624]  ? __switch_to_asm+0x34/0x70
[  691.125716]  ? zap_class+0x640/0x640
[  691.129426]  ? zap_class+0x640/0x640
[  691.133137]  ? __x64_sys_futex+0x53e/0x6a0
[  691.137371]  ? find_held_lock+0x36/0x1c0
[  691.141437]  ? handle_mm_fault+0x42a/0xc70
[  691.145667]  ? lock_downgrade+0x900/0x900
[  691.149819]  ? check_preemption_disabled+0x48/0x280
[  691.154933]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  691.159860]  ? kasan_check_read+0x11/0x20
[  691.164014]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  691.169286]  ? rcu_softirq_qs+0x20/0x20
[  691.173257]  ? trace_hardirqs_off_caller+0x310/0x310
[  691.178357]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  691.183902]  ? check_preemption_disabled+0x48/0x280
[  691.188921]  handle_mm_fault+0x54f/0xc70
[  691.192982]  ? __handle_mm_fault+0x5be0/0x5be0
[  691.197562]  ? find_vma+0x34/0x190
[  691.201105]  __do_page_fault+0x5e8/0xe60
[  691.205178]  ? trace_hardirqs_off+0xb8/0x310
[  691.209591]  do_page_fault+0xf2/0x7e0
[  691.213386]  ? vmalloc_sync_all+0x30/0x30
[  691.217548]  ? error_entry+0x70/0xd0
[  691.221264]  ? trace_hardirqs_off_caller+0xbb/0x310
[  691.226276]  ? trace_hardirqs_on_caller+0xc0/0x310
[  691.231203]  ? syscall_return_slowpath+0x5e0/0x5e0
[  691.236127]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  691.240969]  ? trace_hardirqs_on_caller+0x310/0x310
[  691.245981]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  691.251432]  ? prepare_exit_to_usermode+0x291/0x3b0
[  691.256443]  ? page_fault+0x8/0x30
[  691.259988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  691.264835]  ? page_fault+0x8/0x30
[  691.268377]  page_fault+0x1e/0x30
[  691.271832] RIP: 0033:0x40f9c0
[  691.275042] Code: Bad RIP value.
[  691.278494] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  691.283854] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  691.291115] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  691.298394] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  691.305687] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  691.312971] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  691.320260] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  691.320265] warn_alloc_show_mem: 1 callbacks suppressed
[  691.320271] Mem-Info:
[  691.327540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  691.332906] active_anon:54071 inactive_anon:192 isolated_anon:0
[  691.332906]  active_file:13 inactive_file:14 isolated_file:0
[  691.332906]  unevictable:0 dirty:0 writeback:0 unstable:0
[  691.332906]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  691.332906]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  691.332906]  free:13779 free_pcp:228 free_cma:0
[  691.335270] Call Trace:
[  691.344643] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  691.377483]  <IRQ>
[  691.380048] 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
[  691.407553]  dump_stack+0x244/0x39d
[  691.409671] lowmem_reserve[]: 0 2818 6321 6321
[  691.435786]  ? dump_stack_print_info.cold.1+0x20/0x20
[  691.439402] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  691.443981]  warn_alloc.cold.116+0xb7/0x1bd
[  691.449216] lowmem_reserve[]: 0 0 3503 3503
[  691.476705]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  691.480998] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  691.485309]  ? lock_downgrade+0x900/0x900
[  691.490116] lowmem_reserve[]: 0 0 0 0
[  691.519092]  ? trace_hardirqs_off+0xb8/0x310
[  691.523215] 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
[  691.527014]  ? trace_hardirqs_off+0xb8/0x310
[  691.531397] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  691.544931]  __alloc_pages_slowpath+0x2651/0x2de0
[  691.549308] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  691.565190]  ? warn_alloc+0x120/0x120
[  691.569999] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  691.585673]  ? print_usage_bug+0xc0/0xc0
[  691.589449] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  691.598269]  ? warn_alloc+0x120/0x120
[  691.602300] 271 total pagecache pages
[  691.610896]  ? warn_alloc+0x120/0x120
[  691.614675] 0 pages in swap cache
[  691.618458]  ? print_usage_bug+0xc0/0xc0
[  691.622234] Swap cache stats: add 0, delete 0, find 0/0
[  691.625673]  ? kvm_clock_read+0x18/0x30
[  691.629704] Free swap  = 0kB
[  691.635069]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  691.639008] Total swap = 0kB
[  691.639016] 1965979 pages RAM
[  691.642028]  ? print_usage_bug+0xc0/0xc0
[  691.647013] 0 pages HighMem/MovableOnly
[  691.650018]  ? __lock_acquire+0x62f/0x4c20
[  691.653098] 342854 pages reserved
[  691.657147]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  691.661093] 0 pages cma reserved
[  691.665319]  ? should_fail+0x22d/0xd01
[  691.668818] aoe: skb alloc failure
[  691.674265]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  691.674283]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  691.674299]  ? __lock_acquire+0x62f/0x4c20
[  691.677673] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  691.681516]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  691.685026] syz-fuzzer cpuset=/ mems_allowed=0
[  691.690287]  ? __lock_acquire+0x62f/0x4c20
[  691.690301]  ? should_fail+0x22d/0xd01
[  691.727569]  ? rcu_irq_exit+0x1a2/0x390
[  691.731547]  ? mark_held_locks+0x130/0x130
[  691.735781]  ? mark_held_locks+0x130/0x130
[  691.740558]  ? mark_held_locks+0xc7/0x130
[  691.744708]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  691.749722]  ? zap_class+0x640/0x640
[  691.753431]  ? print_usage_bug+0xc0/0xc0
[  691.757522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.763058]  ? check_preemption_disabled+0x48/0x280
[  691.768099]  ? __lock_is_held+0xb5/0x140
[  691.772165]  __alloc_pages_nodemask+0xad8/0xea0
[  691.776920]  ? zap_class+0x640/0x640
[  691.780637]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  691.785668]  ? find_held_lock+0x36/0x1c0
[  691.789739]  ? ____cache_alloc_node+0x1c7/0x1e0
[  691.794410]  ? lock_downgrade+0x900/0x900
[  691.798561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.804103]  cache_grow_begin+0xa5/0x8c0
[  691.808159]  ? do_raw_spin_unlock+0xa7/0x330
[  691.812573]  fallback_alloc+0x204/0x2e0
[  691.816550]  ____cache_alloc_node+0x1c7/0x1e0
[  691.821046]  kmem_cache_alloc_node+0xe3/0x730
[  691.825546]  ? ipv6_get_ifaddr+0x42e/0x620
[  691.829799]  __alloc_skb+0x119/0x770
[  691.833508]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  691.838784]  ? netdev_alloc_frag+0x1f0/0x1f0
[  691.843193]  ? lock_downgrade+0x900/0x900
[  691.847346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.852888]  ? refcount_sub_and_test_checked+0x203/0x310
[  691.858344]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  691.863812]  ? addrconf_rs_timer+0x690/0x690
[  691.868228]  ndisc_alloc_skb+0x144/0x340
[  691.872287]  ndisc_send_rs+0x331/0x6e0
[  691.876178]  addrconf_rs_timer+0x314/0x690
[  691.880433]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  691.884753]  call_timer_fn+0x272/0x920
[  691.888639]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  691.892891]  ? process_timeout+0x40/0x40
[  691.896963]  ? __run_timers+0x7da/0xc70
[  691.900936]  ? _raw_spin_unlock_irq+0x27/0x80
[  691.905426]  ? _raw_spin_unlock_irq+0x27/0x80
[  691.909915]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  691.914148]  ? lockdep_hardirqs_on+0x296/0x5b0
[  691.918729]  ? trace_hardirqs_on+0xbd/0x310
[  691.923048]  ? kasan_check_read+0x11/0x20
[  691.927189]  ? __run_timers+0x7da/0xc70
[  691.931162]  ? trace_hardirqs_off_caller+0x310/0x310
[  691.936282]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  691.940522]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  691.944753]  __run_timers+0x7e5/0xc70
[  691.948562]  ? timer_fixup_init+0x70/0x70
[  691.952714]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  691.957738]  ? zap_class+0x640/0x640
[  691.961449]  ? enqueue_hrtimer+0x1a5/0x560
[  691.965685]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  691.970876]  ? find_held_lock+0x36/0x1c0
[  691.974941]  ? zap_class+0x640/0x640
[  691.978657]  ? pvclock_read_flags+0x160/0x160
[  691.983152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.988686]  ? check_preemption_disabled+0x48/0x280
[  691.993727]  ? __lock_is_held+0xb5/0x140
[  691.997895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.003428]  ? check_preemption_disabled+0x48/0x280
[  692.008444]  run_timer_softirq+0x52/0xb0
[  692.012504]  ? rcu_read_lock_sched_held+0x14f/0x180
[  692.017520]  __do_softirq+0x308/0xb7e
[  692.021326]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  692.025818]  ? lock_downgrade+0x900/0x900
[  692.029967]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  692.035074]  ? pvclock_read_flags+0x160/0x160
[  692.039571]  ? lapic_next_event+0x5a/0x90
[  692.043716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.049254]  ? kvm_clock_read+0x18/0x30
[  692.053220]  ? kvm_sched_clock_read+0x9/0x20
[  692.057628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.063180]  ? check_preemption_disabled+0x48/0x280
[  692.068200]  irq_exit+0x17f/0x1c0
[  692.071651]  smp_apic_timer_interrupt+0x1cb/0x760
[  692.076491]  ? smp_reschedule_interrupt+0x109/0x650
[  692.081505]  ? smp_call_function_single_interrupt+0x650/0x650
[  692.087386]  ? interrupt_entry+0xb5/0xc0
[  692.091443]  ? trace_hardirqs_off_caller+0xbb/0x310
[  692.096457]  ? trace_hardirqs_off_caller+0xbb/0x310
[  692.101474]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  692.106313]  ? trace_hardirqs_on_caller+0x310/0x310
[  692.111355]  ? trace_hardirqs_on_caller+0x310/0x310
[  692.116369]  ? task_prio+0x50/0x50
[  692.119906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.125441]  ? check_preemption_disabled+0x48/0x280
[  692.130457]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  692.135324]  apic_timer_interrupt+0xf/0x20
[  692.139550]  </IRQ>
[  692.141803] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  692.146729] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  692.165623] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  692.173327] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  692.180592] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  692.187855] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  692.195125] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  692.202389] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  692.209710]  skb_clone+0x1bb/0x500
[  692.213268]  ? finish_task_switch+0x1b4/0x910
[  692.217761]  ? skb_split+0x11e0/0x11e0
[  692.221654]  ? preempt_notifier_register+0x200/0x200
[  692.226753]  ? __switch_to_asm+0x34/0x70
[  692.230816]  ? __switch_to_asm+0x34/0x70
[  692.234872]  ? __switch_to_asm+0x40/0x70
[  692.238926]  ? __switch_to_asm+0x34/0x70
[  692.242981]  ? __switch_to_asm+0x40/0x70
[  692.247037]  ? __switch_to_asm+0x34/0x70
[  692.251092]  ? __switch_to_asm+0x40/0x70
[  692.255146]  ? __switch_to_asm+0x34/0x70
[  692.259203]  ? __switch_to_asm+0x34/0x70
[  692.263346]  ? __switch_to_asm+0x40/0x70
[  692.267400]  ? __switch_to_asm+0x34/0x70
[  692.271463]  bpf_clone_redirect+0xb9/0x490
[  692.275696]  ? __schedule+0x8d7/0x21d0
[  692.279585]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  692.284599]  ? __sched_text_start+0x8/0x8
[  692.288746]  ? retint_kernel+0x2d/0x2d
[  692.292637]  ? find_held_lock+0x36/0x1c0
[  692.296698]  ? lock_acquire+0x1ed/0x520
[  692.300667]  ? bpf_test_run+0x3cb/0x780
[  692.304642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.310178]  ? check_preemption_disabled+0x48/0x280
[  692.315201]  ? kasan_check_read+0x11/0x20
[  692.319348]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  692.324620]  ? rcu_softirq_qs+0x20/0x20
[  692.328592]  ? preempt_schedule+0x4d/0x60
[  692.332739]  ? ___preempt_schedule+0x16/0x18
[  692.337150]  ? bpf_test_run+0x25d/0x780
[  692.341136]  ? netlink_diag_dump+0x2a0/0x2a0
[  692.345540]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  692.351072]  ? bpf_test_init.isra.10+0x70/0x100
[  692.355742]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  692.360504]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  692.365345]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  692.370880]  ? fput+0x130/0x1a0
[  692.374158]  ? __bpf_prog_get+0x9b/0x290
[  692.378218]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  692.383057]  ? bpf_prog_test_run+0x130/0x1a0
[  692.387464]  ? __x64_sys_bpf+0x3db/0x520
[  692.391526]  ? bpf_prog_get+0x20/0x20
[  692.395346]  ? do_syscall_64+0x1b9/0x820
[  692.399403]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  692.404763]  ? syscall_return_slowpath+0x5e0/0x5e0
[  692.409697]  ? trace_hardirqs_on_caller+0x310/0x310
[  692.414713]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  692.419836]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  692.426494]  ? __switch_to_asm+0x40/0x70
[  692.430560]  ? __switch_to_asm+0x34/0x70
[  692.434621]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  692.439463]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  692.444838] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  692.444918] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  692.451850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  692.451855] Call Trace:
[  692.451861]  <IRQ>
[  692.451879]  dump_stack+0x244/0x39d
[  692.451898]  ? dump_stack_print_info.cold.1+0x20/0x20
[  692.458439] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  692.467717]  warn_alloc.cold.116+0xb7/0x1bd
[  692.470265] syz-executor5 cpuset=syz5 mems_allowed=0
[  692.472410]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  692.505981]  ? lock_downgrade+0x900/0x900
[  692.510131]  ? trace_hardirqs_off+0xb8/0x310
[  692.514540]  ? trace_hardirqs_off+0xb8/0x310
[  692.518950]  __alloc_pages_slowpath+0x2651/0x2de0
[  692.523823]  ? warn_alloc+0x120/0x120
[  692.527637]  ? warn_alloc+0x120/0x120
[  692.531434]  ? __lock_acquire+0x62f/0x4c20
[  692.535663]  ? warn_alloc+0x120/0x120
[  692.539481]  ? print_usage_bug+0xc0/0xc0
[  692.543542]  ? print_usage_bug+0xc0/0xc0
[  692.547601]  ? mark_held_locks+0x130/0x130
[  692.551839]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  692.557373]  ? should_fail+0x22d/0xd01
[  692.561253]  ? zap_class+0x640/0x640
[  692.564966]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  692.570066]  ? __lock_acquire+0x62f/0x4c20
[  692.574315]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  692.579429]  ? should_fail+0x22d/0xd01
[  692.583343]  ? mark_held_locks+0x130/0x130
[  692.587577]  ? mark_held_locks+0x130/0x130
[  692.591829]  ? lock_downgrade+0x900/0x900
[  692.595971]  ? zap_class+0x640/0x640
[  692.599689]  ? zap_class+0x640/0x640
[  692.603403]  ? zap_class+0x640/0x640
[  692.607131]  ? do_raw_spin_unlock+0xa7/0x330
[  692.611537]  ? trace_hardirqs_on+0x310/0x310
[  692.615938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.621479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.627032]  ? check_preemption_disabled+0x48/0x280
[  692.632085]  ? __lock_is_held+0xb5/0x140
[  692.636230]  __alloc_pages_nodemask+0xad8/0xea0
[  692.640897]  ? zap_class+0x640/0x640
[  692.644621]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  692.649643]  ? find_held_lock+0x36/0x1c0
[  692.653707]  ? ____cache_alloc_node+0x1c7/0x1e0
[  692.658901]  ? lock_downgrade+0x900/0x900
[  692.663056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.668613]  cache_grow_begin+0xa5/0x8c0
[  692.672668]  ? do_raw_spin_unlock+0xa7/0x330
[  692.677075]  fallback_alloc+0x204/0x2e0
[  692.681047]  ____cache_alloc_node+0x1c7/0x1e0
[  692.685553]  kmem_cache_alloc_node+0xe3/0x730
[  692.690045]  ? lockdep_hardirqs_on+0x296/0x5b0
[  692.694647]  __alloc_skb+0x119/0x770
[  692.698358]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  692.703719]  ? netdev_alloc_frag+0x1f0/0x1f0
[  692.708144]  ? vprintk_default+0x28/0x30
[  692.712313]  ? vprintk_func+0x85/0x181
[  692.716214]  ? printk+0xa7/0xcf
[  692.719487]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  692.724248]  ? do_raw_spin_trylock+0x270/0x270
[  692.728842]  new_skb+0x26/0x1c0
[  692.732123]  aoecmd_cfg+0x279/0x7f0
[  692.735748]  ? find_held_lock+0x36/0x1c0
[  692.739824]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  692.744145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.749691]  ? __lock_is_held+0xb5/0x140
[  692.753759]  discover_timer+0x50/0x60
[  692.757564]  call_timer_fn+0x272/0x920
[  692.761458]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  692.766296]  ? process_timeout+0x40/0x40
[  692.770364]  ? mark_held_locks+0xc7/0x130
[  692.774517]  ? _raw_spin_unlock_irq+0x27/0x80
[  692.779006]  ? _raw_spin_unlock_irq+0x27/0x80
[  692.783592]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  692.788430]  ? lockdep_hardirqs_on+0x296/0x5b0
[  692.793010]  ? trace_hardirqs_on+0xbd/0x310
[  692.797333]  ? kasan_check_read+0x11/0x20
[  692.801491]  ? __run_timers+0x7da/0xc70
[  692.805476]  ? trace_hardirqs_off_caller+0x310/0x310
[  692.810581]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  692.815417]  __run_timers+0x7e5/0xc70
[  692.819221]  ? timer_fixup_init+0x70/0x70
[  692.823601]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  692.828616]  ? zap_class+0x640/0x640
[  692.832332]  ? print_usage_bug+0xc0/0xc0
[  692.836391]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  692.841580]  ? find_held_lock+0x36/0x1c0
[  692.845646]  ? zap_class+0x640/0x640
[  692.849380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.854920]  ? check_preemption_disabled+0x48/0x280
[  692.859942]  ? __lock_is_held+0xb5/0x140
[  692.863998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.869538]  ? check_preemption_disabled+0x48/0x280
[  692.874555]  run_timer_softirq+0x52/0xb0
[  692.878615]  ? rcu_read_lock_sched_held+0x14f/0x180
[  692.883630]  __do_softirq+0x308/0xb7e
[  692.887429]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  692.891931]  ? lock_downgrade+0x900/0x900
[  692.896078]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  692.901190]  ? pvclock_read_flags+0x160/0x160
[  692.905811]  ? lapic_next_event+0x5a/0x90
[  692.909958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.915499]  ? kvm_clock_read+0x18/0x30
[  692.919471]  ? kvm_sched_clock_read+0x9/0x20
[  692.923876]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  692.929412]  ? check_preemption_disabled+0x48/0x280
[  692.934435]  irq_exit+0x17f/0x1c0
[  692.937885]  smp_apic_timer_interrupt+0x1cb/0x760
[  692.942729]  ? smp_reschedule_interrupt+0x109/0x650
[  692.947742]  ? smp_call_function_single_interrupt+0x650/0x650
[  692.953632]  ? interrupt_entry+0xb5/0xc0
[  692.957693]  ? trace_hardirqs_off_caller+0xbb/0x310
[  692.962707]  ? trace_hardirqs_off_caller+0xbb/0x310
[  692.967723]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  692.972561]  ? trace_hardirqs_on_caller+0x310/0x310
[  692.977572]  ? trace_hardirqs_on_caller+0x310/0x310
[  692.982585]  ? task_prio+0x50/0x50
[  692.986120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.991669]  ? check_preemption_disabled+0x48/0x280
[  692.996696]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  693.001540]  apic_timer_interrupt+0xf/0x20
[  693.005769]  </IRQ>
[  693.008019] RIP: 0010:dump_stack+0x358/0x39d
[  693.012426] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  693.031326] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  693.039059] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  693.046321] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  693.053604] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  693.060868] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  693.068129] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  693.075409]  ? dump_stack+0x34f/0x39d
[  693.079216]  ? dump_stack_print_info.cold.1+0x20/0x20
[  693.084403]  ? mark_held_locks+0x130/0x130
[  693.088718]  ? mark_held_locks+0x130/0x130
[  693.092952]  dump_header+0x27b/0xf72
[  693.096672]  ? pagefault_out_of_memory+0x197/0x197
[  693.101606]  ? __lock_acquire+0x62f/0x4c20
[  693.105841]  ? percpu_ref_get_many+0x240/0x240
[  693.110422]  ? print_usage_bug+0xc0/0xc0
[  693.114488]  ? zap_class+0x640/0x640
[  693.118200]  ? print_usage_bug+0xc0/0xc0
[  693.122267]  ? print_usage_bug+0xc0/0xc0
[  693.126325]  ? zap_class+0x640/0x640
[  693.130037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.135578]  ? find_held_lock+0x36/0x1c0
[  693.139643]  ? mark_held_locks+0xc7/0x130
[  693.143798]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  693.148896]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  693.153999]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  693.158576]  ? trace_hardirqs_on+0xbd/0x310
[  693.162894]  ? kasan_check_read+0x11/0x20
[  693.167038]  ? ___ratelimit+0x3b4/0x672
[  693.171010]  ? trace_hardirqs_off_caller+0x310/0x310
[  693.176195]  ? trace_hardirqs_on+0x310/0x310
[  693.180600]  ? lock_downgrade+0x900/0x900
[  693.184748]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  693.189858]  ? ___ratelimit+0x3b9/0x672
[  693.193833]  ? idr_get_free+0xf70/0xf70
[  693.197805]  ? find_held_lock+0x36/0x1c0
[  693.201869]  oom_kill_process.cold.27+0x10/0x903
[  693.206620]  ? zap_class+0x640/0x640
[  693.210331]  ? check_preemption_disabled+0x48/0x280
[  693.215350]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  693.220274]  ? kasan_check_read+0x11/0x20
[  693.224414]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  693.229691]  ? oom_evaluate_task+0x540/0x540
[  693.234102]  ? find_held_lock+0x36/0x1c0
[  693.238168]  ? out_of_memory+0x974/0x1430
[  693.242331]  ? lock_downgrade+0x900/0x900
[  693.246474]  ? check_preemption_disabled+0x48/0x280
[  693.251490]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  693.256420]  ? kasan_check_read+0x11/0x20
[  693.260568]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  693.265851]  ? rcu_softirq_qs+0x20/0x20
[  693.269833]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  693.275367]  ? oom_evaluate_task+0x302/0x540
[  693.279783]  out_of_memory+0xa84/0x1430
[  693.283773]  ? oom_killer_disable+0x3a0/0x3a0
[  693.288266]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  693.293195]  ? __ww_mutex_check_waiters+0x160/0x160
[  693.298216]  __alloc_pages_slowpath+0x232c/0x2de0
[  693.303091]  ? warn_alloc+0x120/0x120
[  693.306889]  ? mark_held_locks+0x130/0x130
[  693.311124]  ? find_get_entry+0xaae/0x1120
[  693.315364]  ? filemap_map_pages+0x1a20/0x1a20
[  693.319952]  ? zap_class+0x640/0x640
[  693.323680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.329214]  ? check_preemption_disabled+0x48/0x280
[  693.334233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  693.339796]  ? should_fail+0x22d/0xd01
[  693.343683]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  693.348787]  ? zap_class+0x640/0x640
[  693.352525]  ? __lock_is_held+0xb5/0x140
[  693.356588]  ? mark_held_locks+0x130/0x130
[  693.360826]  ? lock_release+0xa00/0xa00
[  693.364801]  ? perf_trace_sched_process_exec+0x860/0x860
[  693.370254]  ? xa_load+0x2ba/0x460
[  693.373795]  ? lock_downgrade+0x900/0x900
[  693.377959]  ? __might_sleep+0x95/0x190
[  693.381938]  __alloc_pages_nodemask+0xad8/0xea0
[  693.386617]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  693.391719]  ? __page_cache_alloc+0x191/0x5c0
[  693.396296]  ? xa_load+0x2e1/0x460
[  693.399831]  ? xa_clear_mark+0x40/0x40
[  693.403710]  ? zap_class+0x640/0x640
[  693.407423]  ? zap_class+0x640/0x640
[  693.411235]  ? zap_class+0x640/0x640
[  693.414944]  ? zap_class+0x640/0x640
[  693.418653]  ? __do_page_cache_readahead+0x663/0x810
[  693.423763]  ? find_held_lock+0x36/0x1c0
[  693.427824]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  693.433363]  alloc_pages_current+0x173/0x350
[  693.437778]  __page_cache_alloc+0x38c/0x5c0
[  693.442097]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  693.447037]  ? kasan_check_read+0x11/0x20
[  693.451179]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  693.456452]  ? generic_perform_write+0x6a0/0x6a0
[  693.461203]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  693.466830]  ? check_preemption_disabled+0x48/0x280
[  693.471852]  filemap_fault+0x1595/0x25f0
[  693.475923]  ? __lock_page_or_retry+0xa00/0xa00
[  693.480623]  ? mark_held_locks+0x130/0x130
[  693.484861]  ? filemap_map_pages+0xd6b/0x1a20
[  693.489367]  ? lock_downgrade+0x900/0x900
[  693.493509]  ? check_preemption_disabled+0x48/0x280
[  693.498524]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  693.503446]  ? kasan_check_read+0x11/0x20
[  693.507617]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  693.512889]  ? rcu_softirq_qs+0x20/0x20
[  693.516869]  ? filemap_map_pages+0xd92/0x1a20
[  693.521377]  ? queue_work_on+0x12c/0x1e0
[  693.525437]  ? find_get_entries_tag+0x1400/0x1400
[  693.530276]  ? debug_object_destroy+0x2b0/0x2b0
[  693.534957]  ? lock_pi_update_atomic+0x150/0x150
[  693.539718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.545262]  ? lock_acquire+0x1ed/0x520
[  693.549232]  ? ext4_filemap_fault+0x7a/0xad
[  693.553567]  ? lock_release+0xa00/0xa00
[  693.557536]  ? perf_trace_sched_process_exec+0x860/0x860
[  693.562982]  ? print_usage_bug+0xc0/0xc0
[  693.567038]  ? print_usage_bug+0xc0/0xc0
[  693.571105]  ? down_read+0x8d/0x120
[  693.574734]  ? ext4_filemap_fault+0x7a/0xad
[  693.579063]  ? __down_interruptible+0x700/0x700
[  693.583735]  ext4_filemap_fault+0x82/0xad
[  693.587884]  __do_fault+0x100/0x6b0
[  693.591509]  ? find_held_lock+0x36/0x1c0
[  693.595568]  ? pmd_devmap_trans_unstable+0x220/0x220
[  693.600679]  ? mark_held_locks+0x130/0x130
[  693.604946]  ? mark_held_locks+0x130/0x130
[  693.609184]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  693.614718]  __handle_mm_fault+0x3ea0/0x5be0
[  693.619128]  ? perf_trace_lock+0x7a0/0x7a0
[  693.623367]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  693.628310]  ? __switch_to_asm+0x34/0x70
[  693.632364]  ? __switch_to_asm+0x34/0x70
[  693.636459]  ? zap_class+0x640/0x640
[  693.640170]  ? zap_class+0x640/0x640
[  693.643876]  ? __x64_sys_futex+0x53e/0x6a0
[  693.648108]  ? find_held_lock+0x36/0x1c0
[  693.652174]  ? handle_mm_fault+0x42a/0xc70
[  693.656407]  ? lock_downgrade+0x900/0x900
[  693.660553]  ? check_preemption_disabled+0x48/0x280
[  693.665570]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  693.670511]  ? kasan_check_read+0x11/0x20
[  693.674653]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  693.679936]  ? rcu_softirq_qs+0x20/0x20
[  693.683905]  ? trace_hardirqs_off_caller+0x310/0x310
[  693.689004]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  693.694536]  ? check_preemption_disabled+0x48/0x280
[  693.699551]  handle_mm_fault+0x54f/0xc70
[  693.703619]  ? __handle_mm_fault+0x5be0/0x5be0
[  693.708300]  ? find_vma+0x34/0x190
[  693.711844]  __do_page_fault+0x5e8/0xe60
[  693.715902]  ? trace_hardirqs_off+0xb8/0x310
[  693.720320]  do_page_fault+0xf2/0x7e0
[  693.724116]  ? vmalloc_sync_all+0x30/0x30
[  693.728299]  ? error_entry+0x70/0xd0
[  693.732118]  ? trace_hardirqs_off_caller+0xbb/0x310
[  693.737128]  ? trace_hardirqs_on_caller+0xc0/0x310
[  693.742054]  ? syscall_return_slowpath+0x5e0/0x5e0
[  693.746996]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  693.751835]  ? trace_hardirqs_on_caller+0x310/0x310
[  693.756846]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  693.762294]  ? prepare_exit_to_usermode+0x291/0x3b0
[  693.767303]  ? page_fault+0x8/0x30
[  693.770843]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  693.775695]  ? page_fault+0x8/0x30
[  693.779230]  page_fault+0x1e/0x30
[  693.782677] RIP: 0033:0x40f9c0
[  693.785897] Code: Bad RIP value.
[  693.789257] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  693.794613] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  693.801892] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  693.809153] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  693.816419] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  693.823683] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  693.830969] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  693.830973] warn_alloc_show_mem: 1 callbacks suppressed
[  693.830980] Mem-Info:
[  693.838249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  693.843614] active_anon:54071 inactive_anon:192 isolated_anon:0
[  693.843614]  active_file:13 inactive_file:14 isolated_file:0
[  693.843614]  unevictable:0 dirty:0 writeback:0 unstable:0
[  693.843614]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  693.843614]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  693.843614]  free:13779 free_pcp:228 free_cma:0
[  693.845985] Call Trace:
[  693.855358] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  693.888312]  <IRQ>
[  693.890893] 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
[  693.918385]  dump_stack+0x244/0x39d
[  693.920497] lowmem_reserve[]: 0 2818 6321 6321
[  693.946601]  ? dump_stack_print_info.cold.1+0x20/0x20
[  693.950208] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  693.954792]  warn_alloc.cold.116+0xb7/0x1bd
[  693.959943] lowmem_reserve[]: 0 0 3503 3503
[  693.987457]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  693.991754] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  693.996066]  ? lock_downgrade+0x900/0x900
[  694.000895] lowmem_reserve[]: 0 0 0 0
[  694.029779]  ? trace_hardirqs_off+0xb8/0x310
[  694.033896] 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
[  694.037710]  ? trace_hardirqs_off+0xb8/0x310
[  694.042083] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  694.055610]  __alloc_pages_slowpath+0x2651/0x2de0
[  694.059980] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  694.075874]  ? warn_alloc+0x120/0x120
[  694.080679] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  694.096266]  ? print_usage_bug+0xc0/0xc0
[  694.100046] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  694.108876]  ? warn_alloc+0x120/0x120
[  694.112910] 271 total pagecache pages
[  694.121488]  ? warn_alloc+0x120/0x120
[  694.125269] 0 pages in swap cache
[  694.129060]  ? print_usage_bug+0xc0/0xc0
[  694.132841] Swap cache stats: add 0, delete 0, find 0/0
[  694.136283]  ? print_usage_bug+0xc0/0xc0
[  694.140431] Free swap  = 0kB
[  694.145780]  ? __lock_acquire+0x62f/0x4c20
[  694.149816] Total swap = 0kB
[  694.152827]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  694.157029] 1965979 pages RAM
[  694.160034]  ? should_fail+0x22d/0xd01
[  694.165542] 0 pages HighMem/MovableOnly
[  694.168635]  ? __lock_acquire+0x62f/0x4c20
[  694.172490] 342854 pages reserved
[  694.172497] 0 pages cma reserved
[  694.176457]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  694.180728] aoe: skb alloc failure
[  694.184096]  ? __lock_acquire+0x62f/0x4c20
[  694.184115]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  694.184142]  ? __lock_acquire+0x62f/0x4c20
[  694.187513] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  694.192568]  ? should_fail+0x22d/0xd01
[  694.196079] syz-fuzzer cpuset=/ mems_allowed=0
[  694.200305]  ? mark_held_locks+0x130/0x130
[  694.232478]  ? mark_held_locks+0x130/0x130
[  694.236712]  ? zap_class+0x640/0x640
[  694.240431]  ? zap_class+0x640/0x640
[  694.244153]  ? print_usage_bug+0xc0/0xc0
[  694.248207]  ? do_raw_spin_unlock+0xa7/0x330
[  694.252612]  ? zap_class+0x640/0x640
[  694.256320]  ? print_usage_bug+0xc0/0xc0
[  694.260381]  ? wq_watchdog_touch+0x9c/0xfe
[  694.264614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.270149]  ? check_preemption_disabled+0x48/0x280
[  694.275172]  ? __lock_is_held+0xb5/0x140
[  694.279235]  __alloc_pages_nodemask+0xad8/0xea0
[  694.283900]  ? zap_class+0x640/0x640
[  694.287613]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  694.292636]  ? find_held_lock+0x36/0x1c0
[  694.296717]  ? ____cache_alloc_node+0x1c7/0x1e0
[  694.301388]  ? lock_downgrade+0x900/0x900
[  694.305544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.311085]  cache_grow_begin+0xa5/0x8c0
[  694.315141]  ? do_raw_spin_unlock+0xa7/0x330
[  694.319567]  fallback_alloc+0x204/0x2e0
[  694.323543]  ____cache_alloc_node+0x1c7/0x1e0
[  694.328038]  kmem_cache_alloc_node+0xe3/0x730
[  694.332632]  ? ipv6_get_ifaddr+0x42e/0x620
[  694.336891]  __alloc_skb+0x119/0x770
[  694.340598]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  694.345881]  ? netdev_alloc_frag+0x1f0/0x1f0
[  694.350287]  ? lock_downgrade+0x900/0x900
[  694.354436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.359969]  ? refcount_sub_and_test_checked+0x203/0x310
[  694.365436]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  694.370886]  ? addrconf_rs_timer+0x690/0x690
[  694.375310]  ndisc_alloc_skb+0x144/0x340
[  694.379371]  ndisc_send_rs+0x331/0x6e0
[  694.383261]  addrconf_rs_timer+0x314/0x690
[  694.387501]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  694.391749]  call_timer_fn+0x272/0x920
[  694.395646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  694.399875]  ? process_timeout+0x40/0x40
[  694.403936]  ? __run_timers+0x7da/0xc70
[  694.407907]  ? _raw_spin_unlock_irq+0x27/0x80
[  694.412482]  ? _raw_spin_unlock_irq+0x27/0x80
[  694.416972]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  694.421202]  ? lockdep_hardirqs_on+0x296/0x5b0
[  694.425799]  ? trace_hardirqs_on+0xbd/0x310
[  694.430115]  ? kasan_check_read+0x11/0x20
[  694.434483]  ? __run_timers+0x7da/0xc70
[  694.438455]  ? trace_hardirqs_off_caller+0x310/0x310
[  694.443568]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  694.447813]  __run_timers+0x7e5/0xc70
[  694.451615]  ? timer_fixup_init+0x70/0x70
[  694.455767]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  694.460793]  ? zap_class+0x640/0x640
[  694.464506]  ? enqueue_hrtimer+0x1a5/0x560
[  694.468748]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  694.473961]  ? find_held_lock+0x36/0x1c0
[  694.478035]  ? zap_class+0x640/0x640
[  694.481756]  ? pvclock_read_flags+0x160/0x160
[  694.486249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.491895]  ? check_preemption_disabled+0x48/0x280
[  694.496915]  ? __lock_is_held+0xb5/0x140
[  694.500972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.506507]  ? check_preemption_disabled+0x48/0x280
[  694.511522]  run_timer_softirq+0x52/0xb0
[  694.515582]  ? rcu_read_lock_sched_held+0x14f/0x180
[  694.520595]  __do_softirq+0x308/0xb7e
[  694.524393]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  694.528884]  ? lock_downgrade+0x900/0x900
[  694.533034]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  694.538145]  ? pvclock_read_flags+0x160/0x160
[  694.542646]  ? lapic_next_event+0x5a/0x90
[  694.546964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.552500]  ? kvm_clock_read+0x18/0x30
[  694.556470]  ? kvm_sched_clock_read+0x9/0x20
[  694.560878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.566417]  ? check_preemption_disabled+0x48/0x280
[  694.571440]  irq_exit+0x17f/0x1c0
[  694.574894]  smp_apic_timer_interrupt+0x1cb/0x760
[  694.579738]  ? smp_reschedule_interrupt+0x109/0x650
[  694.584755]  ? smp_call_function_single_interrupt+0x650/0x650
[  694.590634]  ? interrupt_entry+0xb5/0xc0
[  694.594694]  ? trace_hardirqs_off_caller+0xbb/0x310
[  694.599711]  ? trace_hardirqs_off_caller+0xbb/0x310
[  694.604739]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  694.609666]  ? trace_hardirqs_on_caller+0x310/0x310
[  694.614677]  ? trace_hardirqs_on_caller+0x310/0x310
[  694.619687]  ? task_prio+0x50/0x50
[  694.623249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.628786]  ? check_preemption_disabled+0x48/0x280
[  694.633816]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  694.638781]  apic_timer_interrupt+0xf/0x20
[  694.643008]  </IRQ>
[  694.645243] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  694.650271] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  694.669456] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  694.677175] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  694.684436] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  694.691699] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  694.699102] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  694.706367] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  694.713682]  skb_clone+0x1bb/0x500
[  694.717223]  ? finish_task_switch+0x1b4/0x910
[  694.721717]  ? skb_split+0x11e0/0x11e0
[  694.725608]  ? preempt_notifier_register+0x200/0x200
[  694.730796]  ? __switch_to_asm+0x34/0x70
[  694.734851]  ? __switch_to_asm+0x34/0x70
[  694.738919]  ? __switch_to_asm+0x40/0x70
[  694.742975]  ? __switch_to_asm+0x34/0x70
[  694.747030]  ? __switch_to_asm+0x40/0x70
[  694.751085]  ? __switch_to_asm+0x34/0x70
[  694.755146]  ? __switch_to_asm+0x40/0x70
[  694.759199]  ? __switch_to_asm+0x34/0x70
[  694.763253]  ? __switch_to_asm+0x34/0x70
[  694.767314]  ? __switch_to_asm+0x40/0x70
[  694.771381]  ? __switch_to_asm+0x34/0x70
[  694.775441]  bpf_clone_redirect+0xb9/0x490
[  694.779673]  ? __schedule+0x8d7/0x21d0
[  694.783576]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  694.788587]  ? __sched_text_start+0x8/0x8
[  694.792737]  ? retint_kernel+0x2d/0x2d
[  694.796651]  ? find_held_lock+0x36/0x1c0
[  694.800726]  ? lock_acquire+0x1ed/0x520
[  694.804696]  ? bpf_test_run+0x3cb/0x780
[  694.808679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.814217]  ? check_preemption_disabled+0x48/0x280
[  694.819232]  ? kasan_check_read+0x11/0x20
[  694.823902]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  694.829177]  ? rcu_softirq_qs+0x20/0x20
[  694.833150]  ? preempt_schedule+0x4d/0x60
[  694.837293]  ? ___preempt_schedule+0x16/0x18
[  694.841710]  ? bpf_test_run+0x25d/0x780
[  694.845725]  ? netlink_diag_dump+0x2a0/0x2a0
[  694.850131]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  694.855662]  ? bpf_test_init.isra.10+0x70/0x100
[  694.860332]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  694.865180]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  694.870017]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  694.875553]  ? fput+0x130/0x1a0
[  694.878843]  ? __bpf_prog_get+0x9b/0x290
[  694.882921]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  694.887761]  ? bpf_prog_test_run+0x130/0x1a0
[  694.892167]  ? __x64_sys_bpf+0x3db/0x520
[  694.896315]  ? bpf_prog_get+0x20/0x20
[  694.900130]  ? do_syscall_64+0x1b9/0x820
[  694.904186]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  694.909547]  ? syscall_return_slowpath+0x5e0/0x5e0
[  694.914475]  ? trace_hardirqs_on_caller+0x310/0x310
[  694.919574]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  694.924588]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  694.931249]  ? __switch_to_asm+0x40/0x70
[  694.935399]  ? __switch_to_asm+0x34/0x70
[  694.939540]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  694.944385]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  694.949775] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  694.949859] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  694.956790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  694.956795] Call Trace:
[  694.956803]  <IRQ>
[  694.956821]  dump_stack+0x244/0x39d
[  694.956840]  ? dump_stack_print_info.cold.1+0x20/0x20
[  694.963521] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  694.972809]  warn_alloc.cold.116+0xb7/0x1bd
[  694.975358] syz-executor5 cpuset=syz5 mems_allowed=0
[  694.977499]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  695.010977]  ? lock_downgrade+0x900/0x900
[  695.015126]  ? trace_hardirqs_off+0xb8/0x310
[  695.019537]  ? trace_hardirqs_off+0xb8/0x310
[  695.023952]  __alloc_pages_slowpath+0x2651/0x2de0
[  695.028815]  ? warn_alloc+0x120/0x120
[  695.032632]  ? warn_alloc+0x120/0x120
[  695.036454]  ? __lock_acquire+0x62f/0x4c20
[  695.040684]  ? warn_alloc+0x120/0x120
[  695.044483]  ? print_usage_bug+0xc0/0xc0
[  695.048546]  ? print_usage_bug+0xc0/0xc0
[  695.052604]  ? mark_held_locks+0x130/0x130
[  695.056859]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  695.062395]  ? should_fail+0x22d/0xd01
[  695.066277]  ? zap_class+0x640/0x640
[  695.069992]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  695.075113]  ? __lock_acquire+0x62f/0x4c20
[  695.079344]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  695.084458]  ? should_fail+0x22d/0xd01
[  695.088352]  ? mark_held_locks+0x130/0x130
[  695.092582]  ? mark_held_locks+0x130/0x130
[  695.096813]  ? lock_downgrade+0x900/0x900
[  695.101051]  ? zap_class+0x640/0x640
[  695.104767]  ? zap_class+0x640/0x640
[  695.108477]  ? zap_class+0x640/0x640
[  695.112186]  ? do_raw_spin_unlock+0xa7/0x330
[  695.116594]  ? trace_hardirqs_on+0x310/0x310
[  695.121013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.126551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.132093]  ? check_preemption_disabled+0x48/0x280
[  695.137130]  ? __lock_is_held+0xb5/0x140
[  695.141210]  __alloc_pages_nodemask+0xad8/0xea0
[  695.145883]  ? zap_class+0x640/0x640
[  695.149610]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  695.154641]  ? find_held_lock+0x36/0x1c0
[  695.158702]  ? ____cache_alloc_node+0x1c7/0x1e0
[  695.163374]  ? lock_downgrade+0x900/0x900
[  695.167522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.173061]  cache_grow_begin+0xa5/0x8c0
[  695.177117]  ? do_raw_spin_unlock+0xa7/0x330
[  695.181530]  fallback_alloc+0x204/0x2e0
[  695.185507]  ____cache_alloc_node+0x1c7/0x1e0
[  695.190004]  kmem_cache_alloc_node+0xe3/0x730
[  695.194494]  ? lockdep_hardirqs_on+0x296/0x5b0
[  695.199079]  __alloc_skb+0x119/0x770
[  695.202788]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  695.208152]  ? netdev_alloc_frag+0x1f0/0x1f0
[  695.212567]  ? vprintk_default+0x28/0x30
[  695.216627]  ? vprintk_func+0x85/0x181
[  695.220514]  ? printk+0xa7/0xcf
[  695.223788]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  695.228541]  ? do_raw_spin_trylock+0x270/0x270
[  695.233128]  new_skb+0x26/0x1c0
[  695.236403]  aoecmd_cfg+0x279/0x7f0
[  695.240027]  ? find_held_lock+0x36/0x1c0
[  695.244089]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  695.248411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.253951]  ? __lock_is_held+0xb5/0x140
[  695.258041]  discover_timer+0x50/0x60
[  695.261836]  call_timer_fn+0x272/0x920
[  695.265725]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  695.270566]  ? process_timeout+0x40/0x40
[  695.274629]  ? mark_held_locks+0xc7/0x130
[  695.278884]  ? _raw_spin_unlock_irq+0x27/0x80
[  695.283371]  ? _raw_spin_unlock_irq+0x27/0x80
[  695.287861]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  695.292890]  ? lockdep_hardirqs_on+0x296/0x5b0
[  695.297468]  ? trace_hardirqs_on+0xbd/0x310
[  695.301782]  ? kasan_check_read+0x11/0x20
[  695.305925]  ? __run_timers+0x7da/0xc70
[  695.309901]  ? trace_hardirqs_off_caller+0x310/0x310
[  695.315010]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  695.319844]  __run_timers+0x7e5/0xc70
[  695.323672]  ? timer_fixup_init+0x70/0x70
[  695.327857]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  695.333042]  ? zap_class+0x640/0x640
[  695.336760]  ? print_usage_bug+0xc0/0xc0
[  695.340821]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  695.346012]  ? find_held_lock+0x36/0x1c0
[  695.350073]  ? zap_class+0x640/0x640
[  695.353791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.359330]  ? check_preemption_disabled+0x48/0x280
[  695.364351]  ? __lock_is_held+0xb5/0x140
[  695.368410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.374023]  ? check_preemption_disabled+0x48/0x280
[  695.379042]  run_timer_softirq+0x52/0xb0
[  695.383102]  ? rcu_read_lock_sched_held+0x14f/0x180
[  695.388211]  __do_softirq+0x308/0xb7e
[  695.392011]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  695.396501]  ? lock_downgrade+0x900/0x900
[  695.400752]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  695.405856]  ? pvclock_read_flags+0x160/0x160
[  695.410351]  ? lapic_next_event+0x5a/0x90
[  695.414496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.420040]  ? kvm_clock_read+0x18/0x30
[  695.424013]  ? kvm_sched_clock_read+0x9/0x20
[  695.428419]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  695.433952]  ? check_preemption_disabled+0x48/0x280
[  695.438975]  irq_exit+0x17f/0x1c0
[  695.442426]  smp_apic_timer_interrupt+0x1cb/0x760
[  695.447268]  ? smp_reschedule_interrupt+0x109/0x650
[  695.452291]  ? smp_call_function_single_interrupt+0x650/0x650
[  695.458168]  ? interrupt_entry+0xb5/0xc0
[  695.462230]  ? trace_hardirqs_off_caller+0xbb/0x310
[  695.467242]  ? trace_hardirqs_off_caller+0xbb/0x310
[  695.472255]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  695.477094]  ? trace_hardirqs_on_caller+0x310/0x310
[  695.482107]  ? trace_hardirqs_on_caller+0x310/0x310
[  695.487117]  ? task_prio+0x50/0x50
[  695.490651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.496185]  ? check_preemption_disabled+0x48/0x280
[  695.501221]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  695.506069]  apic_timer_interrupt+0xf/0x20
[  695.510294]  </IRQ>
[  695.512533] RIP: 0010:dump_stack+0x358/0x39d
[  695.516940] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  695.535966] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  695.543689] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  695.550961] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  695.558236] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  695.565499] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  695.572760] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  695.580039]  ? dump_stack+0x34f/0x39d
[  695.583873]  ? dump_stack_print_info.cold.1+0x20/0x20
[  695.589061]  ? mark_held_locks+0x130/0x130
[  695.593294]  ? mark_held_locks+0x130/0x130
[  695.597540]  dump_header+0x27b/0xf72
[  695.601365]  ? pagefault_out_of_memory+0x197/0x197
[  695.606295]  ? __lock_acquire+0x62f/0x4c20
[  695.610532]  ? percpu_ref_get_many+0x240/0x240
[  695.615112]  ? print_usage_bug+0xc0/0xc0
[  695.619175]  ? zap_class+0x640/0x640
[  695.622888]  ? print_usage_bug+0xc0/0xc0
[  695.626948]  ? print_usage_bug+0xc0/0xc0
[  695.631007]  ? zap_class+0x640/0x640
[  695.634723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.640269]  ? find_held_lock+0x36/0x1c0
[  695.644344]  ? mark_held_locks+0xc7/0x130
[  695.648505]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  695.653601]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  695.658695]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  695.663306]  ? trace_hardirqs_on+0xbd/0x310
[  695.667623]  ? kasan_check_read+0x11/0x20
[  695.671785]  ? ___ratelimit+0x3b4/0x672
[  695.675760]  ? trace_hardirqs_off_caller+0x310/0x310
[  695.680858]  ? trace_hardirqs_on+0x310/0x310
[  695.685260]  ? lock_downgrade+0x900/0x900
[  695.689416]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  695.694618]  ? ___ratelimit+0x3b9/0x672
[  695.698589]  ? idr_get_free+0xf70/0xf70
[  695.702556]  ? find_held_lock+0x36/0x1c0
[  695.706639]  oom_kill_process.cold.27+0x10/0x903
[  695.711395]  ? zap_class+0x640/0x640
[  695.715120]  ? check_preemption_disabled+0x48/0x280
[  695.720133]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  695.725055]  ? kasan_check_read+0x11/0x20
[  695.729197]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  695.734488]  ? oom_evaluate_task+0x540/0x540
[  695.738899]  ? find_held_lock+0x36/0x1c0
[  695.742976]  ? out_of_memory+0x974/0x1430
[  695.747123]  ? lock_downgrade+0x900/0x900
[  695.751266]  ? check_preemption_disabled+0x48/0x280
[  695.756283]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  695.761209]  ? kasan_check_read+0x11/0x20
[  695.765359]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  695.770630]  ? rcu_softirq_qs+0x20/0x20
[  695.774602]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  695.780133]  ? oom_evaluate_task+0x302/0x540
[  695.784558]  out_of_memory+0xa84/0x1430
[  695.788533]  ? oom_killer_disable+0x3a0/0x3a0
[  695.793024]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  695.797969]  ? __ww_mutex_check_waiters+0x160/0x160
[  695.802993]  __alloc_pages_slowpath+0x232c/0x2de0
[  695.807852]  ? warn_alloc+0x120/0x120
[  695.811736]  ? mark_held_locks+0x130/0x130
[  695.815970]  ? find_get_entry+0xaae/0x1120
[  695.820332]  ? filemap_map_pages+0x1a20/0x1a20
[  695.824926]  ? zap_class+0x640/0x640
[  695.828640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.834172]  ? check_preemption_disabled+0x48/0x280
[  695.839186]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  695.844810]  ? should_fail+0x22d/0xd01
[  695.848876]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  695.853980]  ? zap_class+0x640/0x640
[  695.857742]  ? __lock_is_held+0xb5/0x140
[  695.861806]  ? mark_held_locks+0x130/0x130
[  695.866036]  ? lock_release+0xa00/0xa00
[  695.870008]  ? perf_trace_sched_process_exec+0x860/0x860
[  695.875539]  ? xa_load+0x2ba/0x460
[  695.879075]  ? lock_downgrade+0x900/0x900
[  695.883227]  ? __might_sleep+0x95/0x190
[  695.887201]  __alloc_pages_nodemask+0xad8/0xea0
[  695.891870]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  695.896880]  ? __page_cache_alloc+0x191/0x5c0
[  695.901369]  ? xa_load+0x2e1/0x460
[  695.904920]  ? xa_clear_mark+0x40/0x40
[  695.908814]  ? zap_class+0x640/0x640
[  695.912527]  ? zap_class+0x640/0x640
[  695.916243]  ? zap_class+0x640/0x640
[  695.919951]  ? zap_class+0x640/0x640
[  695.923752]  ? __do_page_cache_readahead+0x663/0x810
[  695.928857]  ? find_held_lock+0x36/0x1c0
[  695.932918]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  695.938543]  alloc_pages_current+0x173/0x350
[  695.942951]  __page_cache_alloc+0x38c/0x5c0
[  695.947264]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  695.952190]  ? kasan_check_read+0x11/0x20
[  695.956337]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  695.961613]  ? generic_perform_write+0x6a0/0x6a0
[  695.966364]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  695.971896]  ? check_preemption_disabled+0x48/0x280
[  695.976912]  filemap_fault+0x1595/0x25f0
[  695.980981]  ? __lock_page_or_retry+0xa00/0xa00
[  695.985662]  ? mark_held_locks+0x130/0x130
[  695.989919]  ? filemap_map_pages+0xd6b/0x1a20
[  695.994412]  ? lock_downgrade+0x900/0x900
[  695.998554]  ? check_preemption_disabled+0x48/0x280
[  696.003568]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  696.008496]  ? kasan_check_read+0x11/0x20
[  696.012641]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  696.017926]  ? rcu_softirq_qs+0x20/0x20
[  696.021906]  ? filemap_map_pages+0xd92/0x1a20
[  696.026402]  ? queue_work_on+0x12c/0x1e0
[  696.030480]  ? find_get_entries_tag+0x1400/0x1400
[  696.035324]  ? debug_object_destroy+0x2b0/0x2b0
[  696.039995]  ? lock_pi_update_atomic+0x150/0x150
[  696.044765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.050311]  ? lock_acquire+0x1ed/0x520
[  696.054283]  ? ext4_filemap_fault+0x7a/0xad
[  696.058605]  ? lock_release+0xa00/0xa00
[  696.062580]  ? perf_trace_sched_process_exec+0x860/0x860
[  696.068025]  ? print_usage_bug+0xc0/0xc0
[  696.072131]  ? print_usage_bug+0xc0/0xc0
[  696.076197]  ? down_read+0x8d/0x120
[  696.079820]  ? ext4_filemap_fault+0x7a/0xad
[  696.084155]  ? __down_interruptible+0x700/0x700
[  696.088830]  ext4_filemap_fault+0x82/0xad
[  696.092979]  __do_fault+0x100/0x6b0
[  696.096685]  ? find_held_lock+0x36/0x1c0
[  696.100756]  ? pmd_devmap_trans_unstable+0x220/0x220
[  696.105858]  ? mark_held_locks+0x130/0x130
[  696.110104]  ? mark_held_locks+0x130/0x130
[  696.114347]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  696.119886]  __handle_mm_fault+0x3ea0/0x5be0
[  696.124289]  ? perf_trace_lock+0x7a0/0x7a0
[  696.128546]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  696.133392]  ? __switch_to_asm+0x34/0x70
[  696.137448]  ? __switch_to_asm+0x34/0x70
[  696.141516]  ? zap_class+0x640/0x640
[  696.145253]  ? zap_class+0x640/0x640
[  696.148961]  ? __x64_sys_futex+0x53e/0x6a0
[  696.153197]  ? find_held_lock+0x36/0x1c0
[  696.157261]  ? handle_mm_fault+0x42a/0xc70
[  696.161509]  ? lock_downgrade+0x900/0x900
[  696.165747]  ? check_preemption_disabled+0x48/0x280
[  696.170767]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  696.175797]  ? kasan_check_read+0x11/0x20
[  696.179937]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  696.185214]  ? rcu_softirq_qs+0x20/0x20
[  696.189185]  ? trace_hardirqs_off_caller+0x310/0x310
[  696.194283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  696.199816]  ? check_preemption_disabled+0x48/0x280
[  696.204837]  handle_mm_fault+0x54f/0xc70
[  696.208896]  ? __handle_mm_fault+0x5be0/0x5be0
[  696.213500]  ? find_vma+0x34/0x190
[  696.217054]  __do_page_fault+0x5e8/0xe60
[  696.221131]  ? trace_hardirqs_off+0xb8/0x310
[  696.225545]  do_page_fault+0xf2/0x7e0
[  696.229354]  ? vmalloc_sync_all+0x30/0x30
[  696.233500]  ? error_entry+0x70/0xd0
[  696.237214]  ? trace_hardirqs_off_caller+0xbb/0x310
[  696.242223]  ? trace_hardirqs_on_caller+0xc0/0x310
[  696.247148]  ? syscall_return_slowpath+0x5e0/0x5e0
[  696.252070]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  696.256907]  ? trace_hardirqs_on_caller+0x310/0x310
[  696.261920]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  696.267381]  ? prepare_exit_to_usermode+0x291/0x3b0
[  696.272393]  ? page_fault+0x8/0x30
[  696.275945]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  696.280793]  ? page_fault+0x8/0x30
[  696.284332]  page_fault+0x1e/0x30
[  696.287776] RIP: 0033:0x40f9c0
[  696.290979] Code: Bad RIP value.
[  696.294335] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  696.299696] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  696.306964] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  696.314231] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  696.321498] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  696.328763] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  696.336055] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  696.336060] warn_alloc_show_mem: 1 callbacks suppressed
[  696.336066] Mem-Info:
[  696.343335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  696.348706] active_anon:54071 inactive_anon:192 isolated_anon:0
[  696.348706]  active_file:13 inactive_file:14 isolated_file:0
[  696.348706]  unevictable:0 dirty:0 writeback:0 unstable:0
[  696.348706]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  696.348706]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  696.348706]  free:13779 free_pcp:228 free_cma:0
[  696.351189] Call Trace:
[  696.360799] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  696.393637]  <IRQ>
[  696.396203] 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
[  696.423710]  dump_stack+0x244/0x39d
[  696.425841] lowmem_reserve[]: 0 2818 6321 6321
[  696.451946]  ? dump_stack_print_info.cold.1+0x20/0x20
[  696.455540] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  696.460158]  warn_alloc.cold.116+0xb7/0x1bd
[  696.465322] lowmem_reserve[]: 0 0 3503 3503
[  696.492894]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  696.497183] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  696.501497]  ? lock_downgrade+0x900/0x900
[  696.506323] lowmem_reserve[]: 0 0 0 0
[  696.535405]  ? trace_hardirqs_off+0xb8/0x310
[  696.539520] 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
[  696.543315]  ? trace_hardirqs_off+0xb8/0x310
[  696.547785] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  696.561309]  __alloc_pages_slowpath+0x2651/0x2de0
[  696.565698] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  696.581584]  ? warn_alloc+0x120/0x120
[  696.586382] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  696.601984]  ? print_usage_bug+0xc0/0xc0
[  696.605760] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  696.614575]  ? warn_alloc+0x120/0x120
[  696.618627] 271 total pagecache pages
[  696.627191]  ? warn_alloc+0x120/0x120
[  696.630972] 0 pages in swap cache
[  696.634754]  ? print_usage_bug+0xc0/0xc0
[  696.638526] Swap cache stats: add 0, delete 0, find 0/0
[  696.641966]  ? kvm_clock_read+0x18/0x30
[  696.645995] Free swap  = 0kB
[  696.651344]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  696.655813] Total swap = 0kB
[  696.655822] 1965979 pages RAM
[  696.658842]  ? print_usage_bug+0xc0/0xc0
[  696.663824] 0 pages HighMem/MovableOnly
[  696.666831]  ? __lock_acquire+0x62f/0x4c20
[  696.669903] 342854 pages reserved
[  696.669911] 0 pages cma reserved
[  696.673962]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  696.677971] aoe: skb alloc failure
[  696.682124]  ? should_fail+0x22d/0xd01
[  696.682138]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  696.682156]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  696.685611] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  696.688936]  ? __lock_acquire+0x62f/0x4c20
[  696.694443] syz-fuzzer cpuset=/ mems_allowed=0
[  696.697973]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  696.736243]  ? __lock_acquire+0x62f/0x4c20
[  696.740475]  ? should_fail+0x22d/0xd01
[  696.744355]  ? rcu_irq_exit+0x1a2/0x390
[  696.748332]  ? mark_held_locks+0x130/0x130
[  696.752565]  ? mark_held_locks+0x130/0x130
[  696.756801]  ? mark_held_locks+0xc7/0x130
[  696.760965]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  696.765997]  ? zap_class+0x640/0x640
[  696.769837]  ? print_usage_bug+0xc0/0xc0
[  696.773898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.779436]  ? check_preemption_disabled+0x48/0x280
[  696.784455]  ? __lock_is_held+0xb5/0x140
[  696.788522]  __alloc_pages_nodemask+0xad8/0xea0
[  696.793185]  ? zap_class+0x640/0x640
[  696.796904]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  696.801925]  ? find_held_lock+0x36/0x1c0
[  696.805992]  ? ____cache_alloc_node+0x1c7/0x1e0
[  696.810659]  ? lock_downgrade+0x900/0x900
[  696.814814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.820355]  cache_grow_begin+0xa5/0x8c0
[  696.824915]  ? do_raw_spin_unlock+0xa7/0x330
[  696.829333]  fallback_alloc+0x204/0x2e0
[  696.833313]  ____cache_alloc_node+0x1c7/0x1e0
[  696.837811]  kmem_cache_alloc_node+0xe3/0x730
[  696.842307]  ? ipv6_get_ifaddr+0x42e/0x620
[  696.846547]  __alloc_skb+0x119/0x770
[  696.850256]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  696.855534]  ? netdev_alloc_frag+0x1f0/0x1f0
[  696.859937]  ? lock_downgrade+0x900/0x900
[  696.864086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.869638]  ? refcount_sub_and_test_checked+0x203/0x310
[  696.875172]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  696.880618]  ? addrconf_rs_timer+0x690/0x690
[  696.885030]  ndisc_alloc_skb+0x144/0x340
[  696.889090]  ndisc_send_rs+0x331/0x6e0
[  696.892977]  addrconf_rs_timer+0x314/0x690
[  696.897231]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  696.901472]  call_timer_fn+0x272/0x920
[  696.905355]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  696.909587]  ? process_timeout+0x40/0x40
[  696.913650]  ? __run_timers+0x7da/0xc70
[  696.917635]  ? _raw_spin_unlock_irq+0x27/0x80
[  696.922140]  ? _raw_spin_unlock_irq+0x27/0x80
[  696.926639]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  696.930873]  ? lockdep_hardirqs_on+0x296/0x5b0
[  696.935451]  ? trace_hardirqs_on+0xbd/0x310
[  696.939769]  ? kasan_check_read+0x11/0x20
[  696.943913]  ? __run_timers+0x7da/0xc70
[  696.947893]  ? trace_hardirqs_off_caller+0x310/0x310
[  696.952996]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  696.957237]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  696.961468]  __run_timers+0x7e5/0xc70
[  696.965270]  ? timer_fixup_init+0x70/0x70
[  696.969414]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  696.974425]  ? zap_class+0x640/0x640
[  696.978139]  ? enqueue_hrtimer+0x1a5/0x560
[  696.982386]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  696.987580]  ? find_held_lock+0x36/0x1c0
[  696.991644]  ? zap_class+0x640/0x640
[  696.995377]  ? pvclock_read_flags+0x160/0x160
[  696.999869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.005405]  ? check_preemption_disabled+0x48/0x280
[  697.010424]  ? __lock_is_held+0xb5/0x140
[  697.014480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.020017]  ? check_preemption_disabled+0x48/0x280
[  697.025033]  run_timer_softirq+0x52/0xb0
[  697.029092]  ? rcu_read_lock_sched_held+0x14f/0x180
[  697.034106]  __do_softirq+0x308/0xb7e
[  697.037905]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  697.042392]  ? lock_downgrade+0x900/0x900
[  697.046537]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  697.051640]  ? pvclock_read_flags+0x160/0x160
[  697.056139]  ? lapic_next_event+0x5a/0x90
[  697.060283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.065820]  ? kvm_clock_read+0x18/0x30
[  697.069787]  ? kvm_sched_clock_read+0x9/0x20
[  697.074187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.079814]  ? check_preemption_disabled+0x48/0x280
[  697.084858]  irq_exit+0x17f/0x1c0
[  697.088304]  smp_apic_timer_interrupt+0x1cb/0x760
[  697.093174]  ? smp_reschedule_interrupt+0x109/0x650
[  697.098196]  ? smp_call_function_single_interrupt+0x650/0x650
[  697.104095]  ? interrupt_entry+0xb5/0xc0
[  697.108174]  ? trace_hardirqs_off_caller+0xbb/0x310
[  697.113188]  ? trace_hardirqs_off_caller+0xbb/0x310
[  697.118211]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  697.123054]  ? trace_hardirqs_on_caller+0x310/0x310
[  697.128065]  ? trace_hardirqs_on_caller+0x310/0x310
[  697.133079]  ? task_prio+0x50/0x50
[  697.136620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.142164]  ? check_preemption_disabled+0x48/0x280
[  697.147185]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  697.152048]  apic_timer_interrupt+0xf/0x20
[  697.156272]  </IRQ>
[  697.158508] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  697.163439] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  697.182333] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  697.190037] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  697.197298] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  697.204563] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  697.211826] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  697.219180] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  697.226489]  skb_clone+0x1bb/0x500
[  697.230028]  ? finish_task_switch+0x1b4/0x910
[  697.234522]  ? skb_split+0x11e0/0x11e0
[  697.238409]  ? preempt_notifier_register+0x200/0x200
[  697.243507]  ? __switch_to_asm+0x34/0x70
[  697.247560]  ? __switch_to_asm+0x34/0x70
[  697.251618]  ? __switch_to_asm+0x40/0x70
[  697.255681]  ? __switch_to_asm+0x34/0x70
[  697.259738]  ? __switch_to_asm+0x40/0x70
[  697.263794]  ? __switch_to_asm+0x34/0x70
[  697.267849]  ? __switch_to_asm+0x40/0x70
[  697.271909]  ? __switch_to_asm+0x34/0x70
[  697.275966]  ? __switch_to_asm+0x34/0x70
[  697.280021]  ? __switch_to_asm+0x40/0x70
[  697.284078]  ? __switch_to_asm+0x34/0x70
[  697.288137]  bpf_clone_redirect+0xb9/0x490
[  697.292370]  ? __schedule+0x8d7/0x21d0
[  697.296257]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  697.301288]  ? __sched_text_start+0x8/0x8
[  697.305447]  ? retint_kernel+0x2d/0x2d
[  697.309340]  ? find_held_lock+0x36/0x1c0
[  697.313404]  ? lock_acquire+0x1ed/0x520
[  697.317375]  ? bpf_test_run+0x3cb/0x780
[  697.321344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.326880]  ? check_preemption_disabled+0x48/0x280
[  697.331898]  ? kasan_check_read+0x11/0x20
[  697.336137]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  697.341409]  ? rcu_softirq_qs+0x20/0x20
[  697.345395]  ? preempt_schedule+0x4d/0x60
[  697.349538]  ? ___preempt_schedule+0x16/0x18
[  697.353952]  ? bpf_test_run+0x25d/0x780
[  697.357937]  ? netlink_diag_dump+0x2a0/0x2a0
[  697.362342]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  697.367878]  ? bpf_test_init.isra.10+0x70/0x100
[  697.372905]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  697.377672]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  697.382512]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  697.388070]  ? fput+0x130/0x1a0
[  697.391456]  ? __bpf_prog_get+0x9b/0x290
[  697.395515]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  697.400353]  ? bpf_prog_test_run+0x130/0x1a0
[  697.404846]  ? __x64_sys_bpf+0x3db/0x520
[  697.408904]  ? bpf_prog_get+0x20/0x20
[  697.412723]  ? do_syscall_64+0x1b9/0x820
[  697.416867]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  697.422335]  ? syscall_return_slowpath+0x5e0/0x5e0
[  697.427265]  ? trace_hardirqs_on_caller+0x310/0x310
[  697.432369]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  697.437386]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  697.444049]  ? __switch_to_asm+0x40/0x70
[  697.448106]  ? __switch_to_asm+0x34/0x70
[  697.452177]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  697.457038]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  697.462427] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  697.462509] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  697.469448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  697.476005] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  697.485253] Call Trace:
[  697.495728] syz-executor5 cpuset=syz5 mems_allowed=0
[  697.498296]  <IRQ>
[  697.505536]  dump_stack+0x244/0x39d
[  697.509161]  ? dump_stack_print_info.cold.1+0x20/0x20
[  697.514357]  warn_alloc.cold.116+0xb7/0x1bd
[  697.518705]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  697.523549]  ? lock_downgrade+0x900/0x900
[  697.527718]  ? trace_hardirqs_off+0xb8/0x310
[  697.532126]  ? trace_hardirqs_off+0xb8/0x310
[  697.536537]  __alloc_pages_slowpath+0x2651/0x2de0
[  697.541396]  ? warn_alloc+0x120/0x120
[  697.545224]  ? warn_alloc+0x120/0x120
[  697.549022]  ? __lock_acquire+0x62f/0x4c20
[  697.553251]  ? warn_alloc+0x120/0x120
[  697.557047]  ? print_usage_bug+0xc0/0xc0
[  697.561107]  ? print_usage_bug+0xc0/0xc0
[  697.565162]  ? mark_held_locks+0x130/0x130
[  697.569407]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  697.574940]  ? should_fail+0x22d/0xd01
[  697.578825]  ? zap_class+0x640/0x640
[  697.582541]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  697.587640]  ? __lock_acquire+0x62f/0x4c20
[  697.591883]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  697.596984]  ? should_fail+0x22d/0xd01
[  697.600877]  ? mark_held_locks+0x130/0x130
[  697.605115]  ? mark_held_locks+0x130/0x130
[  697.609350]  ? lock_downgrade+0x900/0x900
[  697.613510]  ? zap_class+0x640/0x640
[  697.617304]  ? zap_class+0x640/0x640
[  697.621012]  ? zap_class+0x640/0x640
[  697.624718]  ? do_raw_spin_unlock+0xa7/0x330
[  697.629138]  ? trace_hardirqs_on+0x310/0x310
[  697.633542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.639085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.644624]  ? check_preemption_disabled+0x48/0x280
[  697.649643]  ? __lock_is_held+0xb5/0x140
[  697.653748]  __alloc_pages_nodemask+0xad8/0xea0
[  697.658412]  ? zap_class+0x640/0x640
[  697.662128]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  697.667146]  ? find_held_lock+0x36/0x1c0
[  697.671304]  ? ____cache_alloc_node+0x1c7/0x1e0
[  697.675970]  ? lock_downgrade+0x900/0x900
[  697.680118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.685660]  cache_grow_begin+0xa5/0x8c0
[  697.689722]  ? do_raw_spin_unlock+0xa7/0x330
[  697.694131]  fallback_alloc+0x204/0x2e0
[  697.698107]  ____cache_alloc_node+0x1c7/0x1e0
[  697.702602]  kmem_cache_alloc_node+0xe3/0x730
[  697.707095]  ? lockdep_hardirqs_on+0x296/0x5b0
[  697.711703]  __alloc_skb+0x119/0x770
[  697.715414]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  697.720781]  ? netdev_alloc_frag+0x1f0/0x1f0
[  697.725192]  ? vprintk_default+0x28/0x30
[  697.729249]  ? vprintk_func+0x85/0x181
[  697.733133]  ? printk+0xa7/0xcf
[  697.736408]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  697.741160]  ? do_raw_spin_trylock+0x270/0x270
[  697.745746]  new_skb+0x26/0x1c0
[  697.749021]  aoecmd_cfg+0x279/0x7f0
[  697.752643]  ? find_held_lock+0x36/0x1c0
[  697.756712]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  697.761035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.766579]  ? __lock_is_held+0xb5/0x140
[  697.770645]  discover_timer+0x50/0x60
[  697.774451]  call_timer_fn+0x272/0x920
[  697.778344]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  697.783183]  ? process_timeout+0x40/0x40
[  697.787246]  ? mark_held_locks+0xc7/0x130
[  697.791395]  ? _raw_spin_unlock_irq+0x27/0x80
[  697.795903]  ? _raw_spin_unlock_irq+0x27/0x80
[  697.800390]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  697.805225]  ? lockdep_hardirqs_on+0x296/0x5b0
[  697.809802]  ? trace_hardirqs_on+0xbd/0x310
[  697.814119]  ? kasan_check_read+0x11/0x20
[  697.818264]  ? __run_timers+0x7da/0xc70
[  697.822233]  ? trace_hardirqs_off_caller+0x310/0x310
[  697.827342]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  697.832188]  __run_timers+0x7e5/0xc70
[  697.835998]  ? timer_fixup_init+0x70/0x70
[  697.840144]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  697.845160]  ? zap_class+0x640/0x640
[  697.848873]  ? print_usage_bug+0xc0/0xc0
[  697.853045]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  697.858240]  ? find_held_lock+0x36/0x1c0
[  697.862304]  ? zap_class+0x640/0x640
[  697.866018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.871553]  ? check_preemption_disabled+0x48/0x280
[  697.876669]  ? __lock_is_held+0xb5/0x140
[  697.880732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.886267]  ? check_preemption_disabled+0x48/0x280
[  697.891291]  run_timer_softirq+0x52/0xb0
[  697.895347]  ? rcu_read_lock_sched_held+0x14f/0x180
[  697.900360]  __do_softirq+0x308/0xb7e
[  697.904157]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  697.908665]  ? lock_downgrade+0x900/0x900
[  697.912816]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  697.917923]  ? pvclock_read_flags+0x160/0x160
[  697.922419]  ? lapic_next_event+0x5a/0x90
[  697.926559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.932097]  ? kvm_clock_read+0x18/0x30
[  697.936075]  ? kvm_sched_clock_read+0x9/0x20
[  697.940494]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  697.946028]  ? check_preemption_disabled+0x48/0x280
[  697.951047]  irq_exit+0x17f/0x1c0
[  697.954500]  smp_apic_timer_interrupt+0x1cb/0x760
[  697.959333]  ? smp_reschedule_interrupt+0x109/0x650
[  697.964361]  ? smp_call_function_single_interrupt+0x650/0x650
[  697.970241]  ? interrupt_entry+0xb5/0xc0
[  697.974323]  ? trace_hardirqs_off_caller+0xbb/0x310
[  697.979331]  ? trace_hardirqs_off_caller+0xbb/0x310
[  697.984343]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  697.989181]  ? trace_hardirqs_on_caller+0x310/0x310
[  697.994197]  ? trace_hardirqs_on_caller+0x310/0x310
[  697.999227]  ? task_prio+0x50/0x50
[  698.002770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.008322]  ? check_preemption_disabled+0x48/0x280
[  698.013338]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  698.018183]  apic_timer_interrupt+0xf/0x20
[  698.022495]  </IRQ>
[  698.024761] RIP: 0010:dump_stack+0x358/0x39d
[  698.029168] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  698.048065] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  698.055784] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  698.063047] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  698.070309] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  698.077571] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  698.084834] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  698.092116]  ? dump_stack+0x34f/0x39d
[  698.096028]  ? dump_stack_print_info.cold.1+0x20/0x20
[  698.101218]  ? mark_held_locks+0x130/0x130
[  698.105450]  ? mark_held_locks+0x130/0x130
[  698.109701]  dump_header+0x27b/0xf72
[  698.113421]  ? pagefault_out_of_memory+0x197/0x197
[  698.118373]  ? __lock_acquire+0x62f/0x4c20
[  698.122605]  ? percpu_ref_get_many+0x240/0x240
[  698.127185]  ? print_usage_bug+0xc0/0xc0
[  698.131260]  ? zap_class+0x640/0x640
[  698.134972]  ? print_usage_bug+0xc0/0xc0
[  698.139026]  ? print_usage_bug+0xc0/0xc0
[  698.143082]  ? zap_class+0x640/0x640
[  698.146791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.152330]  ? find_held_lock+0x36/0x1c0
[  698.156398]  ? mark_held_locks+0xc7/0x130
[  698.160547]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  698.165653]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  698.170752]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  698.175329]  ? trace_hardirqs_on+0xbd/0x310
[  698.179665]  ? kasan_check_read+0x11/0x20
[  698.183812]  ? ___ratelimit+0x3b4/0x672
[  698.187795]  ? trace_hardirqs_off_caller+0x310/0x310
[  698.192891]  ? trace_hardirqs_on+0x310/0x310
[  698.197292]  ? lock_downgrade+0x900/0x900
[  698.201452]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  698.206552]  ? ___ratelimit+0x3b9/0x672
[  698.210524]  ? idr_get_free+0xf70/0xf70
[  698.214495]  ? find_held_lock+0x36/0x1c0
[  698.218569]  oom_kill_process.cold.27+0x10/0x903
[  698.223321]  ? zap_class+0x640/0x640
[  698.227034]  ? check_preemption_disabled+0x48/0x280
[  698.232049]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  698.236976]  ? kasan_check_read+0x11/0x20
[  698.241118]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  698.246390]  ? oom_evaluate_task+0x540/0x540
[  698.250886]  ? find_held_lock+0x36/0x1c0
[  698.254952]  ? out_of_memory+0x974/0x1430
[  698.259094]  ? lock_downgrade+0x900/0x900
[  698.263261]  ? check_preemption_disabled+0x48/0x280
[  698.268361]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  698.273286]  ? kasan_check_read+0x11/0x20
[  698.277444]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  698.282716]  ? rcu_softirq_qs+0x20/0x20
[  698.286693]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  698.292228]  ? oom_evaluate_task+0x302/0x540
[  698.296665]  out_of_memory+0xa84/0x1430
[  698.300653]  ? oom_killer_disable+0x3a0/0x3a0
[  698.305148]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  698.310076]  ? __ww_mutex_check_waiters+0x160/0x160
[  698.315102]  __alloc_pages_slowpath+0x232c/0x2de0
[  698.319973]  ? warn_alloc+0x120/0x120
[  698.323769]  ? mark_held_locks+0x130/0x130
[  698.328009]  ? find_get_entry+0xaae/0x1120
[  698.332248]  ? filemap_map_pages+0x1a20/0x1a20
[  698.336831]  ? zap_class+0x640/0x640
[  698.340561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.346095]  ? check_preemption_disabled+0x48/0x280
[  698.351108]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  698.356841]  ? should_fail+0x22d/0xd01
[  698.360729]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  698.365828]  ? zap_class+0x640/0x640
[  698.369556]  ? __lock_is_held+0xb5/0x140
[  698.373621]  ? mark_held_locks+0x130/0x130
[  698.377858]  ? lock_release+0xa00/0xa00
[  698.381826]  ? perf_trace_sched_process_exec+0x860/0x860
[  698.387271]  ? xa_load+0x2ba/0x460
[  698.390808]  ? lock_downgrade+0x900/0x900
[  698.394976]  ? __might_sleep+0x95/0x190
[  698.398948]  __alloc_pages_nodemask+0xad8/0xea0
[  698.403621]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  698.408646]  ? __page_cache_alloc+0x191/0x5c0
[  698.413164]  ? xa_load+0x2e1/0x460
[  698.416720]  ? xa_clear_mark+0x40/0x40
[  698.420603]  ? zap_class+0x640/0x640
[  698.424314]  ? zap_class+0x640/0x640
[  698.428056]  ? zap_class+0x640/0x640
[  698.431763]  ? zap_class+0x640/0x640
[  698.435472]  ? __do_page_cache_readahead+0x663/0x810
[  698.440571]  ? find_held_lock+0x36/0x1c0
[  698.444631]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  698.450179]  alloc_pages_current+0x173/0x350
[  698.454587]  __page_cache_alloc+0x38c/0x5c0
[  698.458905]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  698.463842]  ? kasan_check_read+0x11/0x20
[  698.467989]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  698.473370]  ? generic_perform_write+0x6a0/0x6a0
[  698.478118]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  698.483695]  ? check_preemption_disabled+0x48/0x280
[  698.488713]  filemap_fault+0x1595/0x25f0
[  698.492778]  ? __lock_page_or_retry+0xa00/0xa00
[  698.497441]  ? mark_held_locks+0x130/0x130
[  698.501684]  ? filemap_map_pages+0xd6b/0x1a20
[  698.506193]  ? lock_downgrade+0x900/0x900
[  698.510338]  ? check_preemption_disabled+0x48/0x280
[  698.515359]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  698.520281]  ? kasan_check_read+0x11/0x20
[  698.524426]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  698.529708]  ? rcu_softirq_qs+0x20/0x20
[  698.533695]  ? filemap_map_pages+0xd92/0x1a20
[  698.538208]  ? queue_work_on+0x12c/0x1e0
[  698.542267]  ? find_get_entries_tag+0x1400/0x1400
[  698.547114]  ? debug_object_destroy+0x2b0/0x2b0
[  698.551783]  ? lock_pi_update_atomic+0x150/0x150
[  698.556562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.562106]  ? lock_acquire+0x1ed/0x520
[  698.566075]  ? ext4_filemap_fault+0x7a/0xad
[  698.570390]  ? lock_release+0xa00/0xa00
[  698.574375]  ? perf_trace_sched_process_exec+0x860/0x860
[  698.579829]  ? print_usage_bug+0xc0/0xc0
[  698.583902]  ? print_usage_bug+0xc0/0xc0
[  698.587970]  ? down_read+0x8d/0x120
[  698.591609]  ? ext4_filemap_fault+0x7a/0xad
[  698.595955]  ? __down_interruptible+0x700/0x700
[  698.600625]  ext4_filemap_fault+0x82/0xad
[  698.604777]  __do_fault+0x100/0x6b0
[  698.608397]  ? find_held_lock+0x36/0x1c0
[  698.612474]  ? pmd_devmap_trans_unstable+0x220/0x220
[  698.617667]  ? mark_held_locks+0x130/0x130
[  698.621907]  ? mark_held_locks+0x130/0x130
[  698.626142]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  698.631688]  __handle_mm_fault+0x3ea0/0x5be0
[  698.636088]  ? perf_trace_lock+0x7a0/0x7a0
[  698.640326]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  698.645277]  ? __switch_to_asm+0x34/0x70
[  698.649333]  ? __switch_to_asm+0x34/0x70
[  698.653399]  ? zap_class+0x640/0x640
[  698.657571]  ? zap_class+0x640/0x640
[  698.661281]  ? __x64_sys_futex+0x53e/0x6a0
[  698.665531]  ? find_held_lock+0x36/0x1c0
[  698.669593]  ? handle_mm_fault+0x42a/0xc70
[  698.673846]  ? lock_downgrade+0x900/0x900
[  698.677988]  ? check_preemption_disabled+0x48/0x280
[  698.683007]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  698.687956]  ? kasan_check_read+0x11/0x20
[  698.692098]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  698.697383]  ? rcu_softirq_qs+0x20/0x20
[  698.701350]  ? trace_hardirqs_off_caller+0x310/0x310
[  698.706462]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  698.711994]  ? check_preemption_disabled+0x48/0x280
[  698.717010]  handle_mm_fault+0x54f/0xc70
[  698.721071]  ? __handle_mm_fault+0x5be0/0x5be0
[  698.725656]  ? find_vma+0x34/0x190
[  698.729198]  __do_page_fault+0x5e8/0xe60
[  698.733260]  ? trace_hardirqs_off+0xb8/0x310
[  698.737680]  do_page_fault+0xf2/0x7e0
[  698.741477]  ? vmalloc_sync_all+0x30/0x30
[  698.745626]  ? error_entry+0x70/0xd0
[  698.749351]  ? trace_hardirqs_off_caller+0xbb/0x310
[  698.754365]  ? trace_hardirqs_on_caller+0xc0/0x310
[  698.759296]  ? syscall_return_slowpath+0x5e0/0x5e0
[  698.764231]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  698.769089]  ? trace_hardirqs_on_caller+0x310/0x310
[  698.774186]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  698.779643]  ? prepare_exit_to_usermode+0x291/0x3b0
[  698.784663]  ? page_fault+0x8/0x30
[  698.788216]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  698.793060]  ? page_fault+0x8/0x30
[  698.796600]  page_fault+0x1e/0x30
[  698.800057] RIP: 0033:0x40f9c0
[  698.803260] Code: Bad RIP value.
[  698.806708] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  698.812091] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  698.819366] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  698.826974] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  698.834241] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  698.841522] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  698.848816] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  698.848821] warn_alloc_show_mem: 1 callbacks suppressed
[  698.848827] Mem-Info:
[  698.856088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  698.856095] Call Trace:
[  698.861481] active_anon:54071 inactive_anon:192 isolated_anon:0
[  698.861481]  active_file:13 inactive_file:14 isolated_file:0
[  698.861481]  unevictable:0 dirty:0 writeback:0 unstable:0
[  698.861481]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  698.861481]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  698.861481]  free:13779 free_pcp:228 free_cma:0
[  698.863856]  <IRQ>
[  698.873211] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  698.875790]  dump_stack+0x244/0x39d
[  698.908921] 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
[  698.911070]  ? dump_stack_print_info.cold.1+0x20/0x20
[  698.938534] lowmem_reserve[]: 0 2818 6321 6321
[  698.942166]  warn_alloc.cold.116+0xb7/0x1bd
[  698.968322] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  698.973502]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  698.978067] lowmem_reserve[]: 0 0 3503 3503
[  698.982385]  ? lock_downgrade+0x900/0x900
[  699.009871] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  699.014710]  ? trace_hardirqs_off+0xb8/0x310
[  699.018992] lowmem_reserve[]: 0 0 0 0
[  699.023148]  ? trace_hardirqs_off+0xb8/0x310
[  699.052022] 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
[  699.056426]  __alloc_pages_slowpath+0x2651/0x2de0
[  699.060212] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  699.064638]  ? warn_alloc+0x120/0x120
[  699.078105] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  699.083032]  ? print_usage_bug+0xc0/0xc0
[  699.098876] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  699.102659]  ? warn_alloc+0x120/0x120
[  699.118248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  699.122300]  ? warn_alloc+0x120/0x120
[  699.131111] 271 total pagecache pages
[  699.134898]  ? print_usage_bug+0xc0/0xc0
[  699.143451] 0 pages in swap cache
[  699.147233]  ? kvm_clock_read+0x18/0x30
[  699.151005] Swap cache stats: add 0, delete 0, find 0/0
[  699.155053]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  699.158479] Free swap  = 0kB
[  699.162438]  ? print_usage_bug+0xc0/0xc0
[  699.167786] Total swap = 0kB
[  699.172795]  ? __lock_acquire+0x62f/0x4c20
[  699.175783] 1965979 pages RAM
[  699.179831]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  699.182822] 0 pages HighMem/MovableOnly
[  699.187066]  ? should_fail+0x22d/0xd01
[  699.190136] 342854 pages reserved
[  699.190143] 0 pages cma reserved
[  699.195665]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  699.195683]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  699.199704] aoe: skb alloc failure
[  699.203508]  ? __lock_acquire+0x62f/0x4c20
[  699.203527]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  699.203543]  ? __lock_acquire+0x62f/0x4c20
[  699.207003] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  699.210324]  ? should_fail+0x22d/0xd01
[  699.215574] syz-fuzzer cpuset=/ mems_allowed=0
[  699.220661]  ? rcu_irq_exit+0x1a2/0x390
[  699.220683]  ? mark_held_locks+0x130/0x130
[  699.264541]  ? mark_held_locks+0x130/0x130
[  699.268776]  ? mark_held_locks+0xc7/0x130
[  699.272926]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  699.277939]  ? zap_class+0x640/0x640
[  699.281652]  ? print_usage_bug+0xc0/0xc0
[  699.285717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.291257]  ? check_preemption_disabled+0x48/0x280
[  699.296281]  ? __lock_is_held+0xb5/0x140
[  699.300349]  __alloc_pages_nodemask+0xad8/0xea0
[  699.305015]  ? zap_class+0x640/0x640
[  699.308730]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  699.313753]  ? find_held_lock+0x36/0x1c0
[  699.317840]  ? ____cache_alloc_node+0x1c7/0x1e0
[  699.322507]  ? lock_downgrade+0x900/0x900
[  699.326657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.332208]  cache_grow_begin+0xa5/0x8c0
[  699.336267]  ? do_raw_spin_unlock+0xa7/0x330
[  699.340682]  fallback_alloc+0x204/0x2e0
[  699.344663]  ____cache_alloc_node+0x1c7/0x1e0
[  699.349165]  kmem_cache_alloc_node+0xe3/0x730
[  699.353659]  ? ipv6_get_ifaddr+0x42e/0x620
[  699.357903]  __alloc_skb+0x119/0x770
[  699.361611]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  699.366895]  ? netdev_alloc_frag+0x1f0/0x1f0
[  699.371313]  ? lock_downgrade+0x900/0x900
[  699.375468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.381005]  ? refcount_sub_and_test_checked+0x203/0x310
[  699.386469]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  699.392000]  ? addrconf_rs_timer+0x690/0x690
[  699.396412]  ndisc_alloc_skb+0x144/0x340
[  699.400493]  ndisc_send_rs+0x331/0x6e0
[  699.404381]  addrconf_rs_timer+0x314/0x690
[  699.408620]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  699.412862]  call_timer_fn+0x272/0x920
[  699.416850]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  699.421078]  ? process_timeout+0x40/0x40
[  699.425145]  ? __run_timers+0x7da/0xc70
[  699.429125]  ? _raw_spin_unlock_irq+0x27/0x80
[  699.433631]  ? _raw_spin_unlock_irq+0x27/0x80
[  699.438121]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  699.442373]  ? lockdep_hardirqs_on+0x296/0x5b0
[  699.446952]  ? trace_hardirqs_on+0xbd/0x310
[  699.451268]  ? kasan_check_read+0x11/0x20
[  699.455411]  ? __run_timers+0x7da/0xc70
[  699.459489]  ? trace_hardirqs_off_caller+0x310/0x310
[  699.464599]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  699.468833]  __run_timers+0x7e5/0xc70
[  699.472641]  ? timer_fixup_init+0x70/0x70
[  699.476790]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  699.481811]  ? zap_class+0x640/0x640
[  699.485527]  ? enqueue_hrtimer+0x1a5/0x560
[  699.489789]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  699.494981]  ? find_held_lock+0x36/0x1c0
[  699.499056]  ? zap_class+0x640/0x640
[  699.502773]  ? pvclock_read_flags+0x160/0x160
[  699.507263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.512796]  ? check_preemption_disabled+0x48/0x280
[  699.517819]  ? __lock_is_held+0xb5/0x140
[  699.521879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.527417]  ? check_preemption_disabled+0x48/0x280
[  699.532433]  run_timer_softirq+0x52/0xb0
[  699.536493]  ? rcu_read_lock_sched_held+0x14f/0x180
[  699.541508]  __do_softirq+0x308/0xb7e
[  699.545394]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  699.549892]  ? lock_downgrade+0x900/0x900
[  699.554039]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  699.559145]  ? pvclock_read_flags+0x160/0x160
[  699.563643]  ? lapic_next_event+0x5a/0x90
[  699.567824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.573362]  ? kvm_clock_read+0x18/0x30
[  699.577329]  ? kvm_sched_clock_read+0x9/0x20
[  699.581733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.587266]  ? check_preemption_disabled+0x48/0x280
[  699.592285]  irq_exit+0x17f/0x1c0
[  699.595737]  smp_apic_timer_interrupt+0x1cb/0x760
[  699.600578]  ? smp_reschedule_interrupt+0x109/0x650
[  699.605590]  ? smp_call_function_single_interrupt+0x650/0x650
[  699.611474]  ? interrupt_entry+0xb5/0xc0
[  699.615541]  ? trace_hardirqs_off_caller+0xbb/0x310
[  699.620562]  ? trace_hardirqs_off_caller+0xbb/0x310
[  699.625594]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  699.630440]  ? trace_hardirqs_on_caller+0x310/0x310
[  699.635450]  ? trace_hardirqs_on_caller+0x310/0x310
[  699.640465]  ? task_prio+0x50/0x50
[  699.644001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.649543]  ? check_preemption_disabled+0x48/0x280
[  699.654558]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  699.659417]  apic_timer_interrupt+0xf/0x20
[  699.663646]  </IRQ>
[  699.665881] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  699.670810] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  699.689708] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  699.697411] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  699.704674] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  699.711937] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  699.719201] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  699.726466] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  699.733788]  skb_clone+0x1bb/0x500
[  699.737344]  ? finish_task_switch+0x1b4/0x910
[  699.741841]  ? skb_split+0x11e0/0x11e0
[  699.745736]  ? preempt_notifier_register+0x200/0x200
[  699.750831]  ? __switch_to_asm+0x34/0x70
[  699.754887]  ? __switch_to_asm+0x34/0x70
[  699.758941]  ? __switch_to_asm+0x40/0x70
[  699.762995]  ? __switch_to_asm+0x34/0x70
[  699.767064]  ? __switch_to_asm+0x40/0x70
[  699.771125]  ? __switch_to_asm+0x34/0x70
[  699.775183]  ? __switch_to_asm+0x40/0x70
[  699.779239]  ? __switch_to_asm+0x34/0x70
[  699.783296]  ? __switch_to_asm+0x34/0x70
[  699.787350]  ? __switch_to_asm+0x40/0x70
[  699.791406]  ? __switch_to_asm+0x34/0x70
[  699.795463]  bpf_clone_redirect+0xb9/0x490
[  699.799696]  ? __schedule+0x8d7/0x21d0
[  699.803582]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  699.808599]  ? __sched_text_start+0x8/0x8
[  699.812755]  ? retint_kernel+0x2d/0x2d
[  699.816651]  ? find_held_lock+0x36/0x1c0
[  699.820721]  ? lock_acquire+0x1ed/0x520
[  699.824702]  ? bpf_test_run+0x3cb/0x780
[  699.828678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.834216]  ? check_preemption_disabled+0x48/0x280
[  699.839242]  ? kasan_check_read+0x11/0x20
[  699.843476]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  699.848751]  ? rcu_softirq_qs+0x20/0x20
[  699.852723]  ? preempt_schedule+0x4d/0x60
[  699.856884]  ? ___preempt_schedule+0x16/0x18
[  699.861296]  ? bpf_test_run+0x25d/0x780
[  699.865277]  ? netlink_diag_dump+0x2a0/0x2a0
[  699.869699]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  699.875233]  ? bpf_test_init.isra.10+0x70/0x100
[  699.879903]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  699.884663]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  699.889504]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  699.895061]  ? fput+0x130/0x1a0
[  699.898430]  ? __bpf_prog_get+0x9b/0x290
[  699.902491]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  699.907336]  ? bpf_prog_test_run+0x130/0x1a0
[  699.911745]  ? __x64_sys_bpf+0x3db/0x520
[  699.915804]  ? bpf_prog_get+0x20/0x20
[  699.919630]  ? do_syscall_64+0x1b9/0x820
[  699.923689]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  699.929049]  ? syscall_return_slowpath+0x5e0/0x5e0
[  699.933981]  ? trace_hardirqs_on_caller+0x310/0x310
[  699.938998]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  699.944017]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  699.950682]  ? __switch_to_asm+0x40/0x70
[  699.954739]  ? __switch_to_asm+0x34/0x70
[  699.958819]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  699.963665]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  699.969044] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  699.969126] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  699.976076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  699.976081] Call Trace:
[  699.976088]  <IRQ>
[  699.976106]  dump_stack+0x244/0x39d
[  699.976125]  ? dump_stack_print_info.cold.1+0x20/0x20
[  699.982711] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  699.991960]  warn_alloc.cold.116+0xb7/0x1bd
[  699.994510] syz-executor5 cpuset=syz5 mems_allowed=0
[  699.996655]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  700.030109]  ? lock_downgrade+0x900/0x900
[  700.034264]  ? trace_hardirqs_off+0xb8/0x310
[  700.038792]  ? trace_hardirqs_off+0xb8/0x310
[  700.043204]  __alloc_pages_slowpath+0x2651/0x2de0
[  700.048070]  ? warn_alloc+0x120/0x120
[  700.051872]  ? warn_alloc+0x120/0x120
[  700.055693]  ? __lock_acquire+0x62f/0x4c20
[  700.060031]  ? warn_alloc+0x120/0x120
[  700.063829]  ? print_usage_bug+0xc0/0xc0
[  700.067888]  ? print_usage_bug+0xc0/0xc0
[  700.071948]  ? mark_held_locks+0x130/0x130
[  700.076196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  700.081734]  ? should_fail+0x22d/0xd01
[  700.085621]  ? zap_class+0x640/0x640
[  700.089339]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  700.094526]  ? __lock_acquire+0x62f/0x4c20
[  700.098775]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  700.103875]  ? should_fail+0x22d/0xd01
[  700.107766]  ? mark_held_locks+0x130/0x130
[  700.112010]  ? mark_held_locks+0x130/0x130
[  700.116237]  ? lock_downgrade+0x900/0x900
[  700.120382]  ? zap_class+0x640/0x640
[  700.124091]  ? zap_class+0x640/0x640
[  700.127801]  ? zap_class+0x640/0x640
[  700.131507]  ? do_raw_spin_unlock+0xa7/0x330
[  700.135914]  ? trace_hardirqs_on+0x310/0x310
[  700.140318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.145855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.151388]  ? check_preemption_disabled+0x48/0x280
[  700.156410]  ? __lock_is_held+0xb5/0x140
[  700.160473]  __alloc_pages_nodemask+0xad8/0xea0
[  700.165312]  ? zap_class+0x640/0x640
[  700.169027]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  700.174051]  ? find_held_lock+0x36/0x1c0
[  700.178116]  ? ____cache_alloc_node+0x1c7/0x1e0
[  700.182802]  ? lock_downgrade+0x900/0x900
[  700.186954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.192509]  cache_grow_begin+0xa5/0x8c0
[  700.196567]  ? do_raw_spin_unlock+0xa7/0x330
[  700.201101]  fallback_alloc+0x204/0x2e0
[  700.205080]  ____cache_alloc_node+0x1c7/0x1e0
[  700.209575]  kmem_cache_alloc_node+0xe3/0x730
[  700.214086]  ? lockdep_hardirqs_on+0x296/0x5b0
[  700.218675]  __alloc_skb+0x119/0x770
[  700.222385]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  700.227747]  ? netdev_alloc_frag+0x1f0/0x1f0
[  700.232173]  ? vprintk_default+0x28/0x30
[  700.236230]  ? vprintk_func+0x85/0x181
[  700.240114]  ? printk+0xa7/0xcf
[  700.243392]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  700.248143]  ? do_raw_spin_trylock+0x270/0x270
[  700.252727]  new_skb+0x26/0x1c0
[  700.256005]  aoecmd_cfg+0x279/0x7f0
[  700.259641]  ? find_held_lock+0x36/0x1c0
[  700.263708]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  700.268033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.273582]  ? __lock_is_held+0xb5/0x140
[  700.277666]  discover_timer+0x50/0x60
[  700.281466]  call_timer_fn+0x272/0x920
[  700.285356]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  700.290198]  ? process_timeout+0x40/0x40
[  700.294272]  ? mark_held_locks+0xc7/0x130
[  700.298431]  ? _raw_spin_unlock_irq+0x27/0x80
[  700.302927]  ? _raw_spin_unlock_irq+0x27/0x80
[  700.307424]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  700.312262]  ? lockdep_hardirqs_on+0x296/0x5b0
[  700.316844]  ? trace_hardirqs_on+0xbd/0x310
[  700.321161]  ? kasan_check_read+0x11/0x20
[  700.325307]  ? __run_timers+0x7da/0xc70
[  700.329280]  ? trace_hardirqs_off_caller+0x310/0x310
[  700.334402]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  700.339238]  __run_timers+0x7e5/0xc70
[  700.343045]  ? timer_fixup_init+0x70/0x70
[  700.347192]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  700.352205]  ? zap_class+0x640/0x640
[  700.355921]  ? print_usage_bug+0xc0/0xc0
[  700.359978]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  700.365171]  ? find_held_lock+0x36/0x1c0
[  700.369231]  ? zap_class+0x640/0x640
[  700.372949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.378481]  ? check_preemption_disabled+0x48/0x280
[  700.383512]  ? __lock_is_held+0xb5/0x140
[  700.387566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.393102]  ? check_preemption_disabled+0x48/0x280
[  700.398135]  run_timer_softirq+0x52/0xb0
[  700.402190]  ? rcu_read_lock_sched_held+0x14f/0x180
[  700.407204]  __do_softirq+0x308/0xb7e
[  700.411001]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  700.415490]  ? lock_downgrade+0x900/0x900
[  700.419644]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  700.424753]  ? pvclock_read_flags+0x160/0x160
[  700.429246]  ? lapic_next_event+0x5a/0x90
[  700.433393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.438940]  ? kvm_clock_read+0x18/0x30
[  700.442909]  ? kvm_sched_clock_read+0x9/0x20
[  700.447325]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  700.452857]  ? check_preemption_disabled+0x48/0x280
[  700.457875]  irq_exit+0x17f/0x1c0
[  700.461325]  smp_apic_timer_interrupt+0x1cb/0x760
[  700.466162]  ? smp_reschedule_interrupt+0x109/0x650
[  700.471190]  ? smp_call_function_single_interrupt+0x650/0x650
[  700.477081]  ? interrupt_entry+0xb5/0xc0
[  700.481143]  ? trace_hardirqs_off_caller+0xbb/0x310
[  700.486157]  ? trace_hardirqs_off_caller+0xbb/0x310
[  700.491174]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  700.496012]  ? trace_hardirqs_on_caller+0x310/0x310
[  700.501053]  ? trace_hardirqs_on_caller+0x310/0x310
[  700.506064]  ? task_prio+0x50/0x50
[  700.509606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.515156]  ? check_preemption_disabled+0x48/0x280
[  700.520175]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  700.525023]  apic_timer_interrupt+0xf/0x20
[  700.529245]  </IRQ>
[  700.531481] RIP: 0010:dump_stack+0x358/0x39d
[  700.535891] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  700.554790] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  700.562506] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  700.569768] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  700.577035] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  700.584305] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  700.591584] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  700.598877]  ? dump_stack+0x34f/0x39d
[  700.602689]  ? dump_stack_print_info.cold.1+0x20/0x20
[  700.607881]  ? mark_held_locks+0x130/0x130
[  700.612128]  ? mark_held_locks+0x130/0x130
[  700.616363]  dump_header+0x27b/0xf72
[  700.620098]  ? pagefault_out_of_memory+0x197/0x197
[  700.625043]  ? __lock_acquire+0x62f/0x4c20
[  700.629276]  ? percpu_ref_get_many+0x240/0x240
[  700.633855]  ? print_usage_bug+0xc0/0xc0
[  700.637916]  ? zap_class+0x640/0x640
[  700.641634]  ? print_usage_bug+0xc0/0xc0
[  700.645690]  ? print_usage_bug+0xc0/0xc0
[  700.649752]  ? zap_class+0x640/0x640
[  700.653464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.659486]  ? find_held_lock+0x36/0x1c0
[  700.663571]  ? mark_held_locks+0xc7/0x130
[  700.667735]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  700.673977]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  700.679076]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  700.683656]  ? trace_hardirqs_on+0xbd/0x310
[  700.687974]  ? kasan_check_read+0x11/0x20
[  700.692118]  ? ___ratelimit+0x3b4/0x672
[  700.696092]  ? trace_hardirqs_off_caller+0x310/0x310
[  700.701195]  ? trace_hardirqs_on+0x310/0x310
[  700.705607]  ? lock_downgrade+0x900/0x900
[  700.709761]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  700.714866]  ? ___ratelimit+0x3b9/0x672
[  700.718844]  ? idr_get_free+0xf70/0xf70
[  700.722817]  ? find_held_lock+0x36/0x1c0
[  700.726880]  oom_kill_process.cold.27+0x10/0x903
[  700.731637]  ? zap_class+0x640/0x640
[  700.735346]  ? check_preemption_disabled+0x48/0x280
[  700.740359]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  700.745289]  ? kasan_check_read+0x11/0x20
[  700.749434]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  700.754708]  ? oom_evaluate_task+0x540/0x540
[  700.759128]  ? find_held_lock+0x36/0x1c0
[  700.763280]  ? out_of_memory+0x974/0x1430
[  700.767441]  ? lock_downgrade+0x900/0x900
[  700.771591]  ? check_preemption_disabled+0x48/0x280
[  700.776613]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  700.781543]  ? kasan_check_read+0x11/0x20
[  700.785682]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  700.790953]  ? rcu_softirq_qs+0x20/0x20
[  700.794927]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  700.800461]  ? oom_evaluate_task+0x302/0x540
[  700.804872]  out_of_memory+0xa84/0x1430
[  700.808850]  ? oom_killer_disable+0x3a0/0x3a0
[  700.813346]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  700.818276]  ? __ww_mutex_check_waiters+0x160/0x160
[  700.823645]  __alloc_pages_slowpath+0x232c/0x2de0
[  700.828520]  ? warn_alloc+0x120/0x120
[  700.832320]  ? mark_held_locks+0x130/0x130
[  700.836556]  ? find_get_entry+0xaae/0x1120
[  700.840834]  ? filemap_map_pages+0x1a20/0x1a20
[  700.845418]  ? zap_class+0x640/0x640
[  700.849135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.854678]  ? check_preemption_disabled+0x48/0x280
[  700.859692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  700.865231]  ? should_fail+0x22d/0xd01
[  700.869121]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  700.874223]  ? zap_class+0x640/0x640
[  700.877957]  ? __lock_is_held+0xb5/0x140
[  700.882025]  ? mark_held_locks+0x130/0x130
[  700.886259]  ? lock_release+0xa00/0xa00
[  700.890233]  ? perf_trace_sched_process_exec+0x860/0x860
[  700.895681]  ? xa_load+0x2ba/0x460
[  700.899223]  ? lock_downgrade+0x900/0x900
[  700.903370]  ? __might_sleep+0x95/0x190
[  700.907349]  __alloc_pages_nodemask+0xad8/0xea0
[  700.912035]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  700.917052]  ? __page_cache_alloc+0x191/0x5c0
[  700.921539]  ? xa_load+0x2e1/0x460
[  700.925078]  ? xa_clear_mark+0x40/0x40
[  700.928980]  ? zap_class+0x640/0x640
[  700.932694]  ? zap_class+0x640/0x640
[  700.936409]  ? zap_class+0x640/0x640
[  700.940116]  ? zap_class+0x640/0x640
[  700.943829]  ? __do_page_cache_readahead+0x663/0x810
[  700.948935]  ? find_held_lock+0x36/0x1c0
[  700.953001]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  700.958542]  alloc_pages_current+0x173/0x350
[  700.962952]  __page_cache_alloc+0x38c/0x5c0
[  700.967268]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  700.972197]  ? kasan_check_read+0x11/0x20
[  700.976344]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  700.981622]  ? generic_perform_write+0x6a0/0x6a0
[  700.986378]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  700.991913]  ? check_preemption_disabled+0x48/0x280
[  700.996931]  filemap_fault+0x1595/0x25f0
[  701.000998]  ? __lock_page_or_retry+0xa00/0xa00
[  701.005665]  ? mark_held_locks+0x130/0x130
[  701.009904]  ? filemap_map_pages+0xd6b/0x1a20
[  701.014397]  ? lock_downgrade+0x900/0x900
[  701.018555]  ? check_preemption_disabled+0x48/0x280
[  701.023574]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  701.028509]  ? kasan_check_read+0x11/0x20
[  701.032653]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  701.037925]  ? rcu_softirq_qs+0x20/0x20
[  701.041908]  ? filemap_map_pages+0xd92/0x1a20
[  701.046406]  ? queue_work_on+0x12c/0x1e0
[  701.050469]  ? find_get_entries_tag+0x1400/0x1400
[  701.055309]  ? debug_object_destroy+0x2b0/0x2b0
[  701.059980]  ? lock_pi_update_atomic+0x150/0x150
[  701.064734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.070285]  ? lock_acquire+0x1ed/0x520
[  701.074253]  ? ext4_filemap_fault+0x7a/0xad
[  701.078584]  ? lock_release+0xa00/0xa00
[  701.082556]  ? perf_trace_sched_process_exec+0x860/0x860
[  701.088008]  ? print_usage_bug+0xc0/0xc0
[  701.092070]  ? print_usage_bug+0xc0/0xc0
[  701.096146]  ? down_read+0x8d/0x120
[  701.099772]  ? ext4_filemap_fault+0x7a/0xad
[  701.104100]  ? __down_interruptible+0x700/0x700
[  701.108774]  ext4_filemap_fault+0x82/0xad
[  701.112923]  __do_fault+0x100/0x6b0
[  701.116546]  ? find_held_lock+0x36/0x1c0
[  701.120619]  ? pmd_devmap_trans_unstable+0x220/0x220
[  701.125724]  ? mark_held_locks+0x130/0x130
[  701.129954]  ? mark_held_locks+0x130/0x130
[  701.134193]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  701.139746]  __handle_mm_fault+0x3ea0/0x5be0
[  701.144158]  ? perf_trace_lock+0x7a0/0x7a0
[  701.148403]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  701.153514]  ? __switch_to_asm+0x34/0x70
[  701.157585]  ? __switch_to_asm+0x34/0x70
[  701.161659]  ? zap_class+0x640/0x640
[  701.165371]  ? zap_class+0x640/0x640
[  701.169079]  ? __x64_sys_futex+0x53e/0x6a0
[  701.173319]  ? find_held_lock+0x36/0x1c0
[  701.177386]  ? handle_mm_fault+0x42a/0xc70
[  701.181624]  ? lock_downgrade+0x900/0x900
[  701.185768]  ? check_preemption_disabled+0x48/0x280
[  701.190783]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  701.195710]  ? kasan_check_read+0x11/0x20
[  701.199862]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  701.205135]  ? rcu_softirq_qs+0x20/0x20
[  701.209114]  ? trace_hardirqs_off_caller+0x310/0x310
[  701.214221]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  701.219757]  ? check_preemption_disabled+0x48/0x280
[  701.224796]  handle_mm_fault+0x54f/0xc70
[  701.228856]  ? __handle_mm_fault+0x5be0/0x5be0
[  701.233445]  ? find_vma+0x34/0x190
[  701.236990]  __do_page_fault+0x5e8/0xe60
[  701.241045]  ? trace_hardirqs_off+0xb8/0x310
[  701.245460]  do_page_fault+0xf2/0x7e0
[  701.249257]  ? vmalloc_sync_all+0x30/0x30
[  701.253409]  ? error_entry+0x70/0xd0
[  701.257118]  ? trace_hardirqs_off_caller+0xbb/0x310
[  701.262130]  ? trace_hardirqs_on_caller+0xc0/0x310
[  701.267071]  ? syscall_return_slowpath+0x5e0/0x5e0
[  701.271999]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  701.276841]  ? trace_hardirqs_on_caller+0x310/0x310
[  701.281865]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  701.287320]  ? prepare_exit_to_usermode+0x291/0x3b0
[  701.292332]  ? page_fault+0x8/0x30
[  701.295872]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  701.300713]  ? page_fault+0x8/0x30
[  701.304248]  page_fault+0x1e/0x30
[  701.307694] RIP: 0033:0x40f9c0
[  701.310896] Code: Bad RIP value.
[  701.314254] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  701.319623] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  701.326890] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  701.334157] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  701.341431] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  701.348696] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  701.355985] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  701.355990] warn_alloc_show_mem: 1 callbacks suppressed
[  701.355996] Mem-Info:
[  701.363368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  701.368733] active_anon:54071 inactive_anon:192 isolated_anon:0
[  701.368733]  active_file:13 inactive_file:14 isolated_file:0
[  701.368733]  unevictable:0 dirty:0 writeback:0 unstable:0
[  701.368733]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  701.368733]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  701.368733]  free:13779 free_pcp:228 free_cma:0
[  701.371099] Call Trace:
[  701.380481] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  701.413320]  <IRQ>
[  701.415886] 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
[  701.443493]  dump_stack+0x244/0x39d
[  701.445657] lowmem_reserve[]: 0 2818 6321 6321
[  701.471783]  ? dump_stack_print_info.cold.1+0x20/0x20
[  701.475381] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  701.479967]  warn_alloc.cold.116+0xb7/0x1bd
[  701.485115] lowmem_reserve[]: 0 0 3503 3503
[  701.512625]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  701.516916] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  701.521231]  ? lock_downgrade+0x900/0x900
[  701.526039] lowmem_reserve[]: 0 0 0 0
[  701.555018]  ? trace_hardirqs_off+0xb8/0x310
[  701.559135] 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
[  701.563037]  ? trace_hardirqs_off+0xb8/0x310
[  701.567416] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  701.580935]  __alloc_pages_slowpath+0x2651/0x2de0
[  701.585312] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  701.601193]  ? warn_alloc+0x120/0x120
[  701.605991] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  701.621592]  ? print_usage_bug+0xc0/0xc0
[  701.625371] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  701.634190]  ? warn_alloc+0x120/0x120
[  701.638224] 271 total pagecache pages
[  701.646789]  ? warn_alloc+0x120/0x120
[  701.650597] 0 pages in swap cache
[  701.654381]  ? print_usage_bug+0xc0/0xc0
[  701.658154] Swap cache stats: add 0, delete 0, find 0/0
[  701.661599]  ? kvm_clock_read+0x18/0x30
[  701.665635] Free swap  = 0kB
[  701.670989]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  701.675020] Total swap = 0kB
[  701.678025]  ? print_usage_bug+0xc0/0xc0
[  701.683017] 1965979 pages RAM
[  701.686021]  ? __lock_acquire+0x62f/0x4c20
[  701.690050] 0 pages HighMem/MovableOnly
[  701.690057] 342854 pages reserved
[  701.693157]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  701.697365] 0 pages cma reserved
[  701.701327]  ? should_fail+0x22d/0xd01
[  701.704817] aoe: skb alloc failure
[  701.710284]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  701.710303]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  701.713710] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  701.717519]  ? __lock_acquire+0x62f/0x4c20
[  701.721030] syz-fuzzer cpuset=/ mems_allowed=0
[  701.726295]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  701.755459]  ? __lock_acquire+0x62f/0x4c20
[  701.759688]  ? should_fail+0x22d/0xd01
[  701.763584]  ? rcu_irq_exit+0x1a2/0x390
[  701.767570]  ? mark_held_locks+0x130/0x130
[  701.771808]  ? mark_held_locks+0x130/0x130
[  701.776041]  ? try_to_wake_up+0x11c/0x1490
[  701.780289]  ? lock_downgrade+0x900/0x900
[  701.784451]  ? zap_class+0x640/0x640
[  701.788163]  ? print_usage_bug+0xc0/0xc0
[  701.792221]  ? trace_hardirqs_off+0xb8/0x310
[  701.796624]  ? kasan_check_read+0x11/0x20
[  701.800771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.806397]  ? check_preemption_disabled+0x48/0x280
[  701.811418]  ? __lock_is_held+0xb5/0x140
[  701.815483]  __alloc_pages_nodemask+0xad8/0xea0
[  701.820151]  ? zap_class+0x640/0x640
[  701.823869]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  701.828890]  ? find_held_lock+0x36/0x1c0
[  701.832959]  ? ____cache_alloc_node+0x1c7/0x1e0
[  701.837625]  ? lock_downgrade+0x900/0x900
[  701.841776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.847316]  cache_grow_begin+0xa5/0x8c0
[  701.851374]  ? do_raw_spin_unlock+0xa7/0x330
[  701.855785]  fallback_alloc+0x204/0x2e0
[  701.859767]  ____cache_alloc_node+0x1c7/0x1e0
[  701.864277]  kmem_cache_alloc_node+0xe3/0x730
[  701.868780]  ? ipv6_get_ifaddr+0x42e/0x620
[  701.873022]  __alloc_skb+0x119/0x770
[  701.876730]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  701.882006]  ? netdev_alloc_frag+0x1f0/0x1f0
[  701.886415]  ? lock_downgrade+0x900/0x900
[  701.890572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.896112]  ? refcount_sub_and_test_checked+0x203/0x310
[  701.901575]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  701.907031]  ? addrconf_rs_timer+0x690/0x690
[  701.911447]  ndisc_alloc_skb+0x144/0x340
[  701.915509]  ndisc_send_rs+0x331/0x6e0
[  701.919414]  addrconf_rs_timer+0x314/0x690
[  701.923654]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  701.927895]  call_timer_fn+0x272/0x920
[  701.931780]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  701.936012]  ? process_timeout+0x40/0x40
[  701.940075]  ? __run_timers+0x7da/0xc70
[  701.944052]  ? _raw_spin_unlock_irq+0x27/0x80
[  701.948541]  ? _raw_spin_unlock_irq+0x27/0x80
[  701.953037]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  701.957270]  ? lockdep_hardirqs_on+0x296/0x5b0
[  701.961849]  ? trace_hardirqs_on+0xbd/0x310
[  701.966186]  ? kasan_check_read+0x11/0x20
[  701.970329]  ? __run_timers+0x7da/0xc70
[  701.974301]  ? trace_hardirqs_off_caller+0x310/0x310
[  701.979404]  ? __queue_work+0x1440/0x1440
[  701.983553]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  701.987791]  __run_timers+0x7e5/0xc70
[  701.991599]  ? timer_fixup_init+0x70/0x70
[  701.995748]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  702.000771]  ? zap_class+0x640/0x640
[  702.004482]  ? enqueue_hrtimer+0x1a5/0x560
[  702.008715]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  702.013909]  ? find_held_lock+0x36/0x1c0
[  702.017969]  ? zap_class+0x640/0x640
[  702.021686]  ? pvclock_read_flags+0x160/0x160
[  702.026181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.031718]  ? check_preemption_disabled+0x48/0x280
[  702.036739]  ? __lock_is_held+0xb5/0x140
[  702.040799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.046336]  ? check_preemption_disabled+0x48/0x280
[  702.051357]  run_timer_softirq+0x52/0xb0
[  702.055433]  ? rcu_read_lock_sched_held+0x14f/0x180
[  702.060448]  __do_softirq+0x308/0xb7e
[  702.064249]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  702.068739]  ? lock_downgrade+0x900/0x900
[  702.072891]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  702.077996]  ? pvclock_read_flags+0x160/0x160
[  702.082492]  ? lapic_next_event+0x5a/0x90
[  702.086642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.092184]  ? kvm_clock_read+0x18/0x30
[  702.096156]  ? kvm_sched_clock_read+0x9/0x20
[  702.100572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.106108]  ? check_preemption_disabled+0x48/0x280
[  702.111130]  irq_exit+0x17f/0x1c0
[  702.114588]  smp_apic_timer_interrupt+0x1cb/0x760
[  702.119424]  ? smp_reschedule_interrupt+0x109/0x650
[  702.124442]  ? smp_call_function_single_interrupt+0x650/0x650
[  702.130324]  ? interrupt_entry+0xb5/0xc0
[  702.134385]  ? trace_hardirqs_off_caller+0xbb/0x310
[  702.139398]  ? trace_hardirqs_off_caller+0xbb/0x310
[  702.144415]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  702.149253]  ? trace_hardirqs_on_caller+0x310/0x310
[  702.154268]  ? trace_hardirqs_on_caller+0x310/0x310
[  702.159296]  ? task_prio+0x50/0x50
[  702.162835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.168654]  ? check_preemption_disabled+0x48/0x280
[  702.173851]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  702.178701]  apic_timer_interrupt+0xf/0x20
[  702.182925]  </IRQ>
[  702.185162] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  702.190096] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  702.208990] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  702.216710] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  702.223976] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  702.231242] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  702.238512] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  702.245780] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  702.253179]  skb_clone+0x1bb/0x500
[  702.256717]  ? finish_task_switch+0x1b4/0x910
[  702.261215]  ? skb_split+0x11e0/0x11e0
[  702.265105]  ? preempt_notifier_register+0x200/0x200
[  702.270205]  ? __switch_to_asm+0x34/0x70
[  702.274262]  ? __switch_to_asm+0x34/0x70
[  702.278320]  ? __switch_to_asm+0x40/0x70
[  702.282379]  ? __switch_to_asm+0x34/0x70
[  702.286433]  ? __switch_to_asm+0x40/0x70
[  702.290489]  ? __switch_to_asm+0x34/0x70
[  702.294544]  ? __switch_to_asm+0x40/0x70
[  702.298607]  ? __switch_to_asm+0x34/0x70
[  702.302665]  ? __switch_to_asm+0x34/0x70
[  702.306720]  ? __switch_to_asm+0x40/0x70
[  702.310775]  ? __switch_to_asm+0x34/0x70
[  702.314838]  bpf_clone_redirect+0xb9/0x490
[  702.319070]  ? __schedule+0x8d7/0x21d0
[  702.322972]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  702.327988]  ? __sched_text_start+0x8/0x8
[  702.332257]  ? retint_kernel+0x2d/0x2d
[  702.336159]  ? find_held_lock+0x36/0x1c0
[  702.340223]  ? lock_acquire+0x1ed/0x520
[  702.344296]  ? bpf_test_run+0x3cb/0x780
[  702.348270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.353808]  ? check_preemption_disabled+0x48/0x280
[  702.358827]  ? kasan_check_read+0x11/0x20
[  702.362973]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  702.368247]  ? rcu_softirq_qs+0x20/0x20
[  702.372218]  ? preempt_schedule+0x4d/0x60
[  702.376361]  ? ___preempt_schedule+0x16/0x18
[  702.380788]  ? bpf_test_run+0x25d/0x780
[  702.384771]  ? netlink_diag_dump+0x2a0/0x2a0
[  702.389180]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  702.394713]  ? bpf_test_init.isra.10+0x70/0x100
[  702.399388]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  702.404238]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  702.409075]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  702.414614]  ? fput+0x130/0x1a0
[  702.417896]  ? __bpf_prog_get+0x9b/0x290
[  702.421974]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  702.426921]  ? bpf_prog_test_run+0x130/0x1a0
[  702.431328]  ? __x64_sys_bpf+0x3db/0x520
[  702.435389]  ? bpf_prog_get+0x20/0x20
[  702.439209]  ? do_syscall_64+0x1b9/0x820
[  702.443263]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  702.448711]  ? syscall_return_slowpath+0x5e0/0x5e0
[  702.453655]  ? trace_hardirqs_on_caller+0x310/0x310
[  702.458785]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  702.463799]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  702.470461]  ? __switch_to_asm+0x40/0x70
[  702.474603]  ? __switch_to_asm+0x34/0x70
[  702.478677]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  702.483522]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  702.488910] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  702.488993] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  702.495924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  702.495929] Call Trace:
[  702.495936]  <IRQ>
[  702.495956]  dump_stack+0x244/0x39d
[  702.495975]  ? dump_stack_print_info.cold.1+0x20/0x20
[  702.502554] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  702.511796]  warn_alloc.cold.116+0xb7/0x1bd
[  702.514343] syz-executor5 cpuset=syz5 mems_allowed=0
[  702.516481]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  702.549936]  ? lock_downgrade+0x900/0x900
[  702.554087]  ? trace_hardirqs_off+0xb8/0x310
[  702.558496]  ? trace_hardirqs_off+0xb8/0x310
[  702.562909]  __alloc_pages_slowpath+0x2651/0x2de0
[  702.567774]  ? warn_alloc+0x120/0x120
[  702.571587]  ? warn_alloc+0x120/0x120
[  702.575388]  ? warn_alloc+0x120/0x120
[  702.579189]  ? print_usage_bug+0xc0/0xc0
[  702.583250]  ? print_usage_bug+0xc0/0xc0
[  702.587395]  ? ktime_get+0x2c1/0x400
[  702.591130]  ? check_preemption_disabled+0x48/0x280
[  702.596142]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  702.600634]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  702.606245]  ? should_fail+0x22d/0xd01
[  702.610131]  ? kasan_check_read+0x11/0x20
[  702.614297]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  702.619408]  ? __lock_acquire+0x62f/0x4c20
[  702.623640]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  702.628739]  ? should_fail+0x22d/0xd01
[  702.632619]  ? print_usage_bug+0xc0/0xc0
[  702.636685]  ? mark_held_locks+0x130/0x130
[  702.640919]  ? mark_held_locks+0x130/0x130
[  702.645145]  ? check_preemption_disabled+0x48/0x280
[  702.650186]  ? zap_class+0x640/0x640
[  702.653899]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  702.659164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.664700]  ? check_preemption_disabled+0x48/0x280
[  702.669723]  ? __lock_is_held+0xb5/0x140
[  702.673787]  __alloc_pages_nodemask+0xad8/0xea0
[  702.678450]  ? zap_class+0x640/0x640
[  702.682162]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  702.687195]  ? find_held_lock+0x36/0x1c0
[  702.691260]  ? ____cache_alloc_node+0x1c7/0x1e0
[  702.695948]  ? lock_downgrade+0x900/0x900
[  702.700120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.705657]  cache_grow_begin+0xa5/0x8c0
[  702.709714]  ? do_raw_spin_unlock+0xa7/0x330
[  702.714125]  fallback_alloc+0x204/0x2e0
[  702.718109]  ____cache_alloc_node+0x1c7/0x1e0
[  702.722608]  kmem_cache_alloc_node+0xe3/0x730
[  702.727101]  ? lockdep_hardirqs_on+0x296/0x5b0
[  702.731687]  __alloc_skb+0x119/0x770
[  702.735397]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  702.740759]  ? netdev_alloc_frag+0x1f0/0x1f0
[  702.745179]  ? vprintk_default+0x28/0x30
[  702.749240]  ? vprintk_func+0x85/0x181
[  702.753124]  ? printk+0xa7/0xcf
[  702.756397]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  702.761150]  ? do_raw_spin_trylock+0x270/0x270
[  702.765733]  new_skb+0x26/0x1c0
[  702.769027]  aoecmd_cfg+0x279/0x7f0
[  702.772649]  ? find_held_lock+0x36/0x1c0
[  702.776709]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  702.781035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.786586]  ? __lock_is_held+0xb5/0x140
[  702.790671]  discover_timer+0x50/0x60
[  702.794471]  call_timer_fn+0x272/0x920
[  702.798357]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  702.803196]  ? process_timeout+0x40/0x40
[  702.807261]  ? mark_held_locks+0xc7/0x130
[  702.811404]  ? _raw_spin_unlock_irq+0x27/0x80
[  702.815896]  ? _raw_spin_unlock_irq+0x27/0x80
[  702.820385]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  702.825549]  ? lockdep_hardirqs_on+0x296/0x5b0
[  702.830150]  ? trace_hardirqs_on+0xbd/0x310
[  702.834469]  ? kasan_check_read+0x11/0x20
[  702.838614]  ? __run_timers+0x7da/0xc70
[  702.842591]  ? trace_hardirqs_off_caller+0x310/0x310
[  702.847707]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  702.852551]  __run_timers+0x7e5/0xc70
[  702.856361]  ? timer_fixup_init+0x70/0x70
[  702.860516]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  702.865545]  ? zap_class+0x640/0x640
[  702.869260]  ? print_usage_bug+0xc0/0xc0
[  702.873318]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  702.878609]  ? find_held_lock+0x36/0x1c0
[  702.882722]  ? zap_class+0x640/0x640
[  702.886436]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.891969]  ? check_preemption_disabled+0x48/0x280
[  702.897020]  ? __lock_is_held+0xb5/0x140
[  702.901196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.906746]  ? check_preemption_disabled+0x48/0x280
[  702.911760]  run_timer_softirq+0x52/0xb0
[  702.915844]  ? rcu_read_lock_sched_held+0x14f/0x180
[  702.920858]  __do_softirq+0x308/0xb7e
[  702.924658]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  702.929149]  ? lock_downgrade+0x900/0x900
[  702.933299]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  702.938409]  ? pvclock_read_flags+0x160/0x160
[  702.942901]  ? lapic_next_event+0x5a/0x90
[  702.947045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.952587]  ? kvm_clock_read+0x18/0x30
[  702.956576]  ? kvm_sched_clock_read+0x9/0x20
[  702.960983]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  702.966520]  ? check_preemption_disabled+0x48/0x280
[  702.971553]  irq_exit+0x17f/0x1c0
[  702.975012]  smp_apic_timer_interrupt+0x1cb/0x760
[  702.979956]  ? smp_reschedule_interrupt+0x109/0x650
[  702.984970]  ? smp_call_function_single_interrupt+0x650/0x650
[  702.990867]  ? interrupt_entry+0xb5/0xc0
[  702.994951]  ? trace_hardirqs_off_caller+0xbb/0x310
[  702.999961]  ? trace_hardirqs_off_caller+0xbb/0x310
[  703.004972]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  703.009809]  ? trace_hardirqs_on_caller+0x310/0x310
[  703.014824]  ? trace_hardirqs_on_caller+0x310/0x310
[  703.019835]  ? task_prio+0x50/0x50
[  703.023374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.028909]  ? check_preemption_disabled+0x48/0x280
[  703.033927]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  703.038772]  apic_timer_interrupt+0xf/0x20
[  703.042994]  </IRQ>
[  703.045232] RIP: 0010:dump_stack+0x358/0x39d
[  703.049641] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  703.068711] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  703.076414] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  703.083680] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  703.090941] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  703.098203] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  703.105467] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  703.112744]  ? dump_stack+0x34f/0x39d
[  703.116561]  ? dump_stack_print_info.cold.1+0x20/0x20
[  703.121752]  ? mark_held_locks+0x130/0x130
[  703.126000]  ? mark_held_locks+0x130/0x130
[  703.130238]  dump_header+0x27b/0xf72
[  703.133977]  ? pagefault_out_of_memory+0x197/0x197
[  703.138906]  ? __lock_acquire+0x62f/0x4c20
[  703.143152]  ? percpu_ref_get_many+0x240/0x240
[  703.147752]  ? print_usage_bug+0xc0/0xc0
[  703.151813]  ? zap_class+0x640/0x640
[  703.155545]  ? print_usage_bug+0xc0/0xc0
[  703.159623]  ? print_usage_bug+0xc0/0xc0
[  703.163683]  ? zap_class+0x640/0x640
[  703.167395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.172931]  ? find_held_lock+0x36/0x1c0
[  703.177000]  ? mark_held_locks+0xc7/0x130
[  703.181145]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  703.186244]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  703.191344]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  703.195925]  ? trace_hardirqs_on+0xbd/0x310
[  703.200246]  ? kasan_check_read+0x11/0x20
[  703.204388]  ? ___ratelimit+0x3b4/0x672
[  703.208358]  ? trace_hardirqs_off_caller+0x310/0x310
[  703.213459]  ? trace_hardirqs_on+0x310/0x310
[  703.217879]  ? lock_downgrade+0x900/0x900
[  703.222030]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  703.227130]  ? ___ratelimit+0x3b9/0x672
[  703.231103]  ? idr_get_free+0xf70/0xf70
[  703.235080]  ? find_held_lock+0x36/0x1c0
[  703.239157]  oom_kill_process.cold.27+0x10/0x903
[  703.243907]  ? zap_class+0x640/0x640
[  703.247623]  ? check_preemption_disabled+0x48/0x280
[  703.252637]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  703.257566]  ? kasan_check_read+0x11/0x20
[  703.261707]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  703.266979]  ? oom_evaluate_task+0x540/0x540
[  703.271386]  ? find_held_lock+0x36/0x1c0
[  703.275446]  ? out_of_memory+0x974/0x1430
[  703.279752]  ? lock_downgrade+0x900/0x900
[  703.283894]  ? check_preemption_disabled+0x48/0x280
[  703.288911]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  703.293847]  ? kasan_check_read+0x11/0x20
[  703.297991]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  703.303258]  ? rcu_softirq_qs+0x20/0x20
[  703.307253]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  703.312784]  ? oom_evaluate_task+0x302/0x540
[  703.317191]  out_of_memory+0xa84/0x1430
[  703.321168]  ? oom_killer_disable+0x3a0/0x3a0
[  703.325658]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  703.330595]  ? __ww_mutex_check_waiters+0x160/0x160
[  703.335625]  __alloc_pages_slowpath+0x232c/0x2de0
[  703.340495]  ? warn_alloc+0x120/0x120
[  703.344299]  ? mark_held_locks+0x130/0x130
[  703.348543]  ? find_get_entry+0xaae/0x1120
[  703.352786]  ? filemap_map_pages+0x1a20/0x1a20
[  703.357367]  ? zap_class+0x640/0x640
[  703.361079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.366616]  ? check_preemption_disabled+0x48/0x280
[  703.371627]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  703.377160]  ? should_fail+0x22d/0xd01
[  703.381049]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  703.386145]  ? zap_class+0x640/0x640
[  703.389888]  ? __lock_is_held+0xb5/0x140
[  703.393953]  ? mark_held_locks+0x130/0x130
[  703.398186]  ? lock_release+0xa00/0xa00
[  703.402161]  ? perf_trace_sched_process_exec+0x860/0x860
[  703.407606]  ? xa_load+0x2ba/0x460
[  703.411256]  ? lock_downgrade+0x900/0x900
[  703.415410]  ? __might_sleep+0x95/0x190
[  703.419384]  __alloc_pages_nodemask+0xad8/0xea0
[  703.424058]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  703.429092]  ? __page_cache_alloc+0x191/0x5c0
[  703.433587]  ? xa_load+0x2e1/0x460
[  703.437121]  ? xa_clear_mark+0x40/0x40
[  703.441005]  ? zap_class+0x640/0x640
[  703.444717]  ? zap_class+0x640/0x640
[  703.448434]  ? zap_class+0x640/0x640
[  703.452146]  ? zap_class+0x640/0x640
[  703.455873]  ? __do_page_cache_readahead+0x663/0x810
[  703.460975]  ? find_held_lock+0x36/0x1c0
[  703.465064]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  703.470627]  alloc_pages_current+0x173/0x350
[  703.475039]  __page_cache_alloc+0x38c/0x5c0
[  703.479357]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  703.484281]  ? kasan_check_read+0x11/0x20
[  703.488425]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  703.493697]  ? generic_perform_write+0x6a0/0x6a0
[  703.498449]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  703.504000]  ? check_preemption_disabled+0x48/0x280
[  703.509040]  filemap_fault+0x1595/0x25f0
[  703.513195]  ? __lock_page_or_retry+0xa00/0xa00
[  703.517862]  ? mark_held_locks+0x130/0x130
[  703.522097]  ? filemap_map_pages+0xd6b/0x1a20
[  703.526593]  ? lock_downgrade+0x900/0x900
[  703.530769]  ? check_preemption_disabled+0x48/0x280
[  703.535783]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  703.540703]  ? kasan_check_read+0x11/0x20
[  703.544859]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  703.550149]  ? rcu_softirq_qs+0x20/0x20
[  703.554129]  ? filemap_map_pages+0xd92/0x1a20
[  703.558621]  ? queue_work_on+0x12c/0x1e0
[  703.562684]  ? find_get_entries_tag+0x1400/0x1400
[  703.567534]  ? debug_object_destroy+0x2b0/0x2b0
[  703.572338]  ? lock_pi_update_atomic+0x150/0x150
[  703.577087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.582628]  ? lock_acquire+0x1ed/0x520
[  703.586619]  ? ext4_filemap_fault+0x7a/0xad
[  703.591031]  ? lock_release+0xa00/0xa00
[  703.595001]  ? perf_trace_sched_process_exec+0x860/0x860
[  703.600450]  ? print_usage_bug+0xc0/0xc0
[  703.604509]  ? print_usage_bug+0xc0/0xc0
[  703.608581]  ? down_read+0x8d/0x120
[  703.612221]  ? ext4_filemap_fault+0x7a/0xad
[  703.616543]  ? __down_interruptible+0x700/0x700
[  703.621223]  ext4_filemap_fault+0x82/0xad
[  703.625366]  __do_fault+0x100/0x6b0
[  703.629013]  ? find_held_lock+0x36/0x1c0
[  703.633078]  ? pmd_devmap_trans_unstable+0x220/0x220
[  703.638184]  ? mark_held_locks+0x130/0x130
[  703.642417]  ? mark_held_locks+0x130/0x130
[  703.646663]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  703.652196]  __handle_mm_fault+0x3ea0/0x5be0
[  703.656599]  ? perf_trace_lock+0x7a0/0x7a0
[  703.660834]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  703.665693]  ? __switch_to_asm+0x34/0x70
[  703.669765]  ? __switch_to_asm+0x34/0x70
[  703.673918]  ? zap_class+0x640/0x640
[  703.677654]  ? zap_class+0x640/0x640
[  703.681367]  ? __x64_sys_futex+0x53e/0x6a0
[  703.685603]  ? find_held_lock+0x36/0x1c0
[  703.689679]  ? handle_mm_fault+0x42a/0xc70
[  703.693911]  ? lock_downgrade+0x900/0x900
[  703.698057]  ? check_preemption_disabled+0x48/0x280
[  703.703070]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  703.707992]  ? kasan_check_read+0x11/0x20
[  703.712136]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  703.717416]  ? rcu_softirq_qs+0x20/0x20
[  703.721384]  ? trace_hardirqs_off_caller+0x310/0x310
[  703.726500]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  703.732041]  ? check_preemption_disabled+0x48/0x280
[  703.737072]  handle_mm_fault+0x54f/0xc70
[  703.741129]  ? __handle_mm_fault+0x5be0/0x5be0
[  703.745709]  ? find_vma+0x34/0x190
[  703.749248]  __do_page_fault+0x5e8/0xe60
[  703.753302]  ? trace_hardirqs_off+0xb8/0x310
[  703.757716]  do_page_fault+0xf2/0x7e0
[  703.761521]  ? vmalloc_sync_all+0x30/0x30
[  703.765697]  ? error_entry+0x70/0xd0
[  703.769421]  ? trace_hardirqs_off_caller+0xbb/0x310
[  703.774445]  ? trace_hardirqs_on_caller+0xc0/0x310
[  703.779460]  ? syscall_return_slowpath+0x5e0/0x5e0
[  703.784382]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  703.789224]  ? trace_hardirqs_on_caller+0x310/0x310
[  703.794235]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  703.799689]  ? prepare_exit_to_usermode+0x291/0x3b0
[  703.804714]  ? page_fault+0x8/0x30
[  703.808266]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  703.813106]  ? page_fault+0x8/0x30
[  703.816642]  page_fault+0x1e/0x30
[  703.820091] RIP: 0033:0x40f9c0
[  703.823417] Code: Bad RIP value.
[  703.826772] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  703.832149] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  703.839498] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  703.846765] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  703.854027] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  703.861288] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  703.868582] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  703.868587] warn_alloc_show_mem: 1 callbacks suppressed
[  703.868592] Mem-Info:
[  703.875861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  703.881224] active_anon:54071 inactive_anon:192 isolated_anon:0
[  703.881224]  active_file:13 inactive_file:14 isolated_file:0
[  703.881224]  unevictable:0 dirty:0 writeback:0 unstable:0
[  703.881224]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  703.881224]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  703.881224]  free:13779 free_pcp:228 free_cma:0
[  703.883591] Call Trace:
[  703.893065] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  703.925912]  <IRQ>
[  703.928481] 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
[  703.955976]  dump_stack+0x244/0x39d
[  703.958098] lowmem_reserve[]: 0 2818 6321 6321
[  703.984287]  ? dump_stack_print_info.cold.1+0x20/0x20
[  703.987886] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  703.992465]  warn_alloc.cold.116+0xb7/0x1bd
[  703.997615] lowmem_reserve[]: 0 0 3503 3503
[  704.025104]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  704.029394] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  704.033705]  ? lock_downgrade+0x900/0x900
[  704.038534] lowmem_reserve[]: 0 0 0 0
[  704.067416]  ? trace_hardirqs_off+0xb8/0x310
[  704.071536] 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
[  704.075329]  ? trace_hardirqs_off+0xb8/0x310
[  704.079704] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  704.093229]  __alloc_pages_slowpath+0x2651/0x2de0
[  704.097605] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  704.113502]  ? warn_alloc+0x120/0x120
[  704.118300] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  704.133888]  ? print_usage_bug+0xc0/0xc0
[  704.137689] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  704.146520]  ? warn_alloc+0x120/0x120
[  704.150560] 271 total pagecache pages
[  704.159120]  ? warn_alloc+0x120/0x120
[  704.162900] 0 pages in swap cache
[  704.166680]  ? print_usage_bug+0xc0/0xc0
[  704.170452] Swap cache stats: add 0, delete 0, find 0/0
[  704.173897]  ? kvm_clock_read+0x18/0x30
[  704.177928] Free swap  = 0kB
[  704.183275]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  704.187220] Total swap = 0kB
[  704.190225]  ? print_usage_bug+0xc0/0xc0
[  704.195213] 1965979 pages RAM
[  704.198217]  ? __lock_acquire+0x62f/0x4c20
[  704.202247] 0 pages HighMem/MovableOnly
[  704.205335]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  704.209555] 342854 pages reserved
[  704.213519]  ? should_fail+0x22d/0xd01
[  704.219031] 0 pages cma reserved
[  704.222471]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  704.222489]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  704.226410] aoe: skb alloc failure
[  704.229720]  ? __lock_acquire+0x62f/0x4c20
[  704.235117] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  704.240154]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  704.243668] syz-fuzzer cpuset=/ mems_allowed=0
[  704.248000]  ? __lock_acquire+0x62f/0x4c20
[  704.272088]  ? should_fail+0x22d/0xd01
[  704.275982]  ? rcu_irq_exit+0x1a2/0x390
[  704.279962]  ? mark_held_locks+0x130/0x130
[  704.284198]  ? mark_held_locks+0x130/0x130
[  704.288426]  ? try_to_wake_up+0x11c/0x1490
[  704.292654]  ? lock_downgrade+0x900/0x900
[  704.296802]  ? zap_class+0x640/0x640
[  704.300517]  ? print_usage_bug+0xc0/0xc0
[  704.304577]  ? trace_hardirqs_off+0xb8/0x310
[  704.308991]  ? kasan_check_read+0x11/0x20
[  704.313137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.318670]  ? check_preemption_disabled+0x48/0x280
[  704.323702]  ? __lock_is_held+0xb5/0x140
[  704.327827]  __alloc_pages_nodemask+0xad8/0xea0
[  704.332491]  ? zap_class+0x640/0x640
[  704.336212]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  704.341231]  ? find_held_lock+0x36/0x1c0
[  704.345297]  ? ____cache_alloc_node+0x1c7/0x1e0
[  704.349966]  ? lock_downgrade+0x900/0x900
[  704.354116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.359678]  cache_grow_begin+0xa5/0x8c0
[  704.363734]  ? do_raw_spin_unlock+0xa7/0x330
[  704.368173]  fallback_alloc+0x204/0x2e0
[  704.372154]  ____cache_alloc_node+0x1c7/0x1e0
[  704.376824]  kmem_cache_alloc_node+0xe3/0x730
[  704.381316]  ? ipv6_get_ifaddr+0x42e/0x620
[  704.385564]  __alloc_skb+0x119/0x770
[  704.389273]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  704.394552]  ? netdev_alloc_frag+0x1f0/0x1f0
[  704.398962]  ? lock_downgrade+0x900/0x900
[  704.403114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.408647]  ? refcount_sub_and_test_checked+0x203/0x310
[  704.414098]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  704.419544]  ? addrconf_rs_timer+0x690/0x690
[  704.423960]  ndisc_alloc_skb+0x144/0x340
[  704.428021]  ndisc_send_rs+0x331/0x6e0
[  704.431918]  addrconf_rs_timer+0x314/0x690
[  704.436155]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  704.440399]  call_timer_fn+0x272/0x920
[  704.444296]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  704.448535]  ? process_timeout+0x40/0x40
[  704.452598]  ? __run_timers+0x7da/0xc70
[  704.456574]  ? _raw_spin_unlock_irq+0x27/0x80
[  704.461076]  ? _raw_spin_unlock_irq+0x27/0x80
[  704.465563]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  704.469791]  ? lockdep_hardirqs_on+0x296/0x5b0
[  704.474368]  ? trace_hardirqs_on+0xbd/0x310
[  704.478696]  ? kasan_check_read+0x11/0x20
[  704.482928]  ? __run_timers+0x7da/0xc70
[  704.486909]  ? trace_hardirqs_off_caller+0x310/0x310
[  704.492010]  ? __queue_work+0x1440/0x1440
[  704.496161]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  704.500386]  __run_timers+0x7e5/0xc70
[  704.504205]  ? timer_fixup_init+0x70/0x70
[  704.508350]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  704.513449]  ? zap_class+0x640/0x640
[  704.517161]  ? enqueue_hrtimer+0x1a5/0x560
[  704.521493]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  704.526692]  ? find_held_lock+0x36/0x1c0
[  704.530751]  ? zap_class+0x640/0x640
[  704.534478]  ? pvclock_read_flags+0x160/0x160
[  704.538986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.544529]  ? check_preemption_disabled+0x48/0x280
[  704.549549]  ? __lock_is_held+0xb5/0x140
[  704.553606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.559264]  ? check_preemption_disabled+0x48/0x280
[  704.564283]  run_timer_softirq+0x52/0xb0
[  704.568340]  ? rcu_read_lock_sched_held+0x14f/0x180
[  704.573354]  __do_softirq+0x308/0xb7e
[  704.577151]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  704.581643]  ? lock_downgrade+0x900/0x900
[  704.585789]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  704.590893]  ? pvclock_read_flags+0x160/0x160
[  704.595399]  ? lapic_next_event+0x5a/0x90
[  704.599581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.605143]  ? kvm_clock_read+0x18/0x30
[  704.609114]  ? kvm_sched_clock_read+0x9/0x20
[  704.613525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.619059]  ? check_preemption_disabled+0x48/0x280
[  704.624081]  irq_exit+0x17f/0x1c0
[  704.627533]  smp_apic_timer_interrupt+0x1cb/0x760
[  704.632385]  ? smp_reschedule_interrupt+0x109/0x650
[  704.637399]  ? smp_call_function_single_interrupt+0x650/0x650
[  704.643304]  ? interrupt_entry+0xb5/0xc0
[  704.647364]  ? trace_hardirqs_off_caller+0xbb/0x310
[  704.652372]  ? trace_hardirqs_off_caller+0xbb/0x310
[  704.657783]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  704.662624]  ? trace_hardirqs_on_caller+0x310/0x310
[  704.667636]  ? trace_hardirqs_on_caller+0x310/0x310
[  704.672665]  ? task_prio+0x50/0x50
[  704.676218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.681755]  ? check_preemption_disabled+0x48/0x280
[  704.686771]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  704.691625]  apic_timer_interrupt+0xf/0x20
[  704.695865]  </IRQ>
[  704.698100] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  704.703047] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  704.721942] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  704.729653] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  704.736925] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  704.744184] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  704.751447] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  704.758710] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  704.766009]  skb_clone+0x1bb/0x500
[  704.769551]  ? finish_task_switch+0x1b4/0x910
[  704.774049]  ? skb_split+0x11e0/0x11e0
[  704.777934]  ? preempt_notifier_register+0x200/0x200
[  704.783034]  ? __switch_to_asm+0x34/0x70
[  704.787087]  ? __switch_to_asm+0x34/0x70
[  704.791136]  ? __switch_to_asm+0x40/0x70
[  704.795188]  ? __switch_to_asm+0x34/0x70
[  704.799242]  ? __switch_to_asm+0x40/0x70
[  704.803297]  ? __switch_to_asm+0x34/0x70
[  704.807353]  ? __switch_to_asm+0x40/0x70
[  704.811406]  ? __switch_to_asm+0x34/0x70
[  704.815476]  ? __switch_to_asm+0x34/0x70
[  704.819533]  ? __switch_to_asm+0x40/0x70
[  704.824108]  ? __switch_to_asm+0x34/0x70
[  704.828172]  bpf_clone_redirect+0xb9/0x490
[  704.832399]  ? __schedule+0x8d7/0x21d0
[  704.836284]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  704.841308]  ? __sched_text_start+0x8/0x8
[  704.845446]  ? retint_kernel+0x2d/0x2d
[  704.849339]  ? find_held_lock+0x36/0x1c0
[  704.853402]  ? lock_acquire+0x1ed/0x520
[  704.857377]  ? bpf_test_run+0x3cb/0x780
[  704.861348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.866901]  ? check_preemption_disabled+0x48/0x280
[  704.871923]  ? kasan_check_read+0x11/0x20
[  704.876066]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  704.881335]  ? rcu_softirq_qs+0x20/0x20
[  704.885306]  ? preempt_schedule+0x4d/0x60
[  704.889446]  ? ___preempt_schedule+0x16/0x18
[  704.893853]  ? bpf_test_run+0x25d/0x780
[  704.897830]  ? netlink_diag_dump+0x2a0/0x2a0
[  704.902233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  704.907765]  ? bpf_test_init.isra.10+0x70/0x100
[  704.912452]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  704.917216]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  704.922051]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  704.927586]  ? fput+0x130/0x1a0
[  704.930865]  ? __bpf_prog_get+0x9b/0x290
[  704.934934]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  704.939777]  ? bpf_prog_test_run+0x130/0x1a0
[  704.944185]  ? __x64_sys_bpf+0x3db/0x520
[  704.948240]  ? bpf_prog_get+0x20/0x20
[  704.952059]  ? do_syscall_64+0x1b9/0x820
[  704.956114]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  704.961477]  ? syscall_return_slowpath+0x5e0/0x5e0
[  704.966410]  ? trace_hardirqs_on_caller+0x310/0x310
[  704.971444]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  704.976457]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  704.983131]  ? __switch_to_asm+0x40/0x70
[  704.987187]  ? __switch_to_asm+0x34/0x70
[  704.991248]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  704.996094]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  705.001470] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  705.001518] rcu: INFO: rcu_preempt self-detected stall on CPU
[  705.008499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  705.008506] Call Trace:
[  705.014756] rcu: 	1-...!: (93 ticks this GP) idle=f46/1/0x4000000000000004 softirq=70109/70109 fqs=0 
[  705.023700]  <IRQ>
[  705.023720]  dump_stack+0x244/0x39d
[  705.023735]  ? dump_stack_print_info.cold.1+0x20/0x20
[  705.023760]  warn_alloc.cold.116+0xb7/0x1bd
[  705.023776]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  705.023793]  ? lock_downgrade+0x900/0x900
[  705.023813]  ? trace_hardirqs_off+0xb8/0x310
[  705.023831]  ? trace_hardirqs_off+0xb8/0x310
[  705.026536] rcu: 	 (t=10681 jiffies g=100677 q=5)
[  705.035906]  __alloc_pages_slowpath+0x2651/0x2de0
[  705.038037] rcu: rcu_preempt kthread starved for 10681 jiffies! g100677 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  705.041851]  ? warn_alloc+0x120/0x120
[  705.047001] rcu: RCU grace-period kthread stack dump:
[  705.051315]  ? warn_alloc+0x120/0x120
[  705.056128] rcu_preempt     R  running task    22568    10      2 0x80000000
[  705.060266]  ? warn_alloc+0x120/0x120
[  705.064647] Call Trace:
[  705.069058]  ? print_usage_bug+0xc0/0xc0
[  705.073897]  __schedule+0x8cf/0x21d0
[  705.078713]  ? print_usage_bug+0xc0/0xc0
[  705.089280]  ? __sched_text_start+0x8/0x8
[  705.093057]  ? ktime_get+0x2c1/0x400
[  705.098246]  ? add_timer_on+0xa20/0xa20
[  705.102030]  ? check_preemption_disabled+0x48/0x280
[  705.109198]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  705.112979]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  705.115557]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  705.119599]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  705.123291]  ? trace_hardirqs_on+0xbd/0x310
[  705.127330]  ? should_fail+0x22d/0xd01
[  705.131458]  ? kasan_check_read+0x11/0x20
[  705.135152]  ? kasan_check_read+0x11/0x20
[  705.139123]  ? prepare_to_swait_event+0x25a/0x800
[  705.144125]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  705.149210]  ? trace_hardirqs_off_caller+0x310/0x310
[  705.153685]  ? __lock_acquire+0x62f/0x4c20
[  705.158772]  schedule+0xfe/0x460
[  705.164292]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  705.168593]  ? __schedule+0x21d0/0x21d0
[  705.172458]  ? should_fail+0x22d/0xd01
[  705.176586]  ? prepare_to_swait_event+0x25a/0x800
[  705.180711]  ? print_usage_bug+0xc0/0xc0
[  705.185540]  ? __init_swait_queue_head+0x150/0x150
[  705.190625]  ? mark_held_locks+0x130/0x130
[  705.195702]  ? __lockdep_init_map+0x105/0x590
[  705.199925]  ? mark_held_locks+0x130/0x130
[  705.203269]  ? lockdep_init_map+0x9/0x10
[  705.208438]  ? check_preemption_disabled+0x48/0x280
[  705.212390]  schedule_timeout+0x140/0x260
[  705.216260]  ? zap_class+0x640/0x640
[  705.221076]  ? usleep_range+0x1a0/0x1a0
[  705.225122]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  705.230031]  ? __next_timer_interrupt+0x1a0/0x1a0
[  705.234248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.238736]  rcu_gp_fqs_loop+0x762/0xa80
[  705.242939]  ? check_preemption_disabled+0x48/0x280
[  705.246998]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  705.251998]  ? __lock_is_held+0xb5/0x140
[  705.256136]  ? trace_hardirqs_off_caller+0x310/0x310
[  705.259829]  __alloc_pages_nodemask+0xad8/0xea0
[  705.263784]  ? perf_trace_sched_process_exec+0x860/0x860
[  705.268528]  ? zap_class+0x640/0x640
[  705.273349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.278867]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  705.282916]  ? rcu_gp_init+0x90b/0x1260
[  705.287915]  ? find_held_lock+0x36/0x1c0
[  705.292644]  ? __switch_to_asm+0x40/0x70
[  705.296690]  ? ____cache_alloc_node+0x1c7/0x1e0
[  705.301770]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  705.306420]  ? lock_downgrade+0x900/0x900
[  705.311850]  ? __switch_to_asm+0x40/0x70
[  705.315546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.321060]  ? find_held_lock+0x36/0x1c0
[  705.326061]  cache_grow_begin+0xa5/0x8c0
[  705.330018]  ? zap_class+0x640/0x640
[  705.334055]  ? do_raw_spin_unlock+0xa7/0x330
[  705.338129]  ? prepare_to_swait_event+0x25a/0x800
[  705.342778]  fallback_alloc+0x204/0x2e0
[  705.347515]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  705.351648]  ____cache_alloc_node+0x1c7/0x1e0
[  705.355689]  ? find_held_lock+0x36/0x1c0
[  705.361206]  kmem_cache_alloc_node+0xe3/0x730
[  705.365256]  ? finish_swait+0x25d/0x430
[  705.369295]  ? lockdep_hardirqs_on+0x296/0x5b0
[  705.372990]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  705.377384]  __alloc_skb+0x119/0x770
[  705.382204]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  705.386159]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  705.391242]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  705.395720]  ? netdev_alloc_frag+0x1f0/0x1f0
[  705.399765]  ? trace_hardirqs_on+0xbd/0x310
[  705.404243]  ? vprintk_default+0x28/0x30
[  705.408194]  ? kasan_check_read+0x11/0x20
[  705.412755]  ? vprintk_func+0x85/0x181
[  705.417840]  ? trace_hardirqs_off_caller+0x310/0x310
[  705.421532]  ? printk+0xa7/0xcf
[  705.426617]  ? __init_swait_queue_head+0x150/0x150
[  705.431957]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  705.436522]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  705.440909]  ? do_raw_spin_trylock+0x270/0x270
[  705.445211]  ? finish_swait+0x25d/0x430
[  705.449253]  new_skb+0x26/0x1c0
[  705.453378]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  705.457261]  aoecmd_cfg+0x279/0x7f0
[  705.462343]  ? swake_up_locked+0x360/0x360
[  705.465611]  ? find_held_lock+0x36/0x1c0
[  705.470610]  ? trace_hardirqs_off_caller+0x310/0x310
[  705.475345]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  705.480440]  ? perf_trace_sched_process_exec+0x860/0x860
[  705.485008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.488969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.492257]  ? __lock_is_held+0xb5/0x140
[  705.496818]  rcu_gp_kthread+0x341/0xc70
[  705.500424]  discover_timer+0x50/0x60
[  705.504637]  ? rcu_gp_init+0x1260/0x1260
[  705.508680]  call_timer_fn+0x272/0x920
[  705.513764]  ? mark_held_locks+0x130/0x130
[  705.518154]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  705.523582]  ? __schedule+0x168a/0x21d0
[  705.529211]  ? process_timeout+0x40/0x40
[  705.534727]  ? _raw_spin_unlock_irq+0x27/0x80
[  705.538773]  ? mark_held_locks+0xc7/0x130
[  705.542724]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  705.546504]  ? _raw_spin_unlock_irq+0x27/0x80
[  705.550548]  ? trace_hardirqs_on+0xbd/0x310
[  705.554415]  ? _raw_spin_unlock_irq+0x27/0x80
[  705.558719]  ? kasan_check_read+0x11/0x20
[  705.563707]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  705.563723]  ? lockdep_hardirqs_on+0x296/0x5b0
[  705.567680]  ? __schedule+0x168a/0x21d0
[  705.571720]  ? trace_hardirqs_on+0xbd/0x310
[  705.576200]  ? trace_hardirqs_off_caller+0x310/0x310
[  705.580328]  ? kasan_check_read+0x11/0x20
[  705.584889]  ? lock_pin_lock+0x350/0x350
[  705.589465]  ? __run_timers+0x7da/0xc70
[  705.593779]  ? _raw_spin_unlock_irq+0x60/0x80
[  705.598253]  ? trace_hardirqs_off_caller+0x310/0x310
[  705.602379]  ? __schedule+0x168a/0x21d0
[  705.607223]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  705.611780]  ? __switch_to_asm+0x40/0x70
[  705.615735]  __run_timers+0x7e5/0xc70
[  705.620038]  ? __switch_to_asm+0x40/0x70
[  705.625124]  ? timer_fixup_init+0x70/0x70
[  705.629250]  ? show_schedstat+0x561/0xf30
[  705.633291]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  705.637248]  ? __sched_text_start+0x8/0x8
[  705.641725]  ? zap_class+0x640/0x640
[  705.646810]  ? find_held_lock+0x36/0x1c0
[  705.650763]  ? print_usage_bug+0xc0/0xc0
[  705.655593]  ? __kthread_parkme+0xce/0x1a0
[  705.659629]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  705.663411]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  705.667463]  ? find_held_lock+0x36/0x1c0
[  705.671593]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  705.675724]  ? zap_class+0x640/0x640
[  705.680718]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  705.684852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.688543]  ? trace_hardirqs_on+0xbd/0x310
[  705.692607]  ? check_preemption_disabled+0x48/0x280
[  705.696646]  ? kasan_check_read+0x11/0x20
[  705.700862]  ? __lock_is_held+0xb5/0x140
[  705.706028]  ? __kthread_parkme+0xce/0x1a0
[  705.711110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.715149]  ? trace_hardirqs_off_caller+0x310/0x310
[  705.720232]  ? check_preemption_disabled+0x48/0x280
[  705.723932]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  705.728493]  run_timer_softirq+0x52/0xb0
[  705.734017]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  705.738310]  ? rcu_read_lock_sched_held+0x14f/0x180
[  705.743302]  ? __kthread_parkme+0xfb/0x1a0
[  705.747431]  __do_softirq+0x308/0xb7e
[  705.751478]  ? rcu_gp_init+0x1260/0x1260
[  705.755706]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  705.761220]  kthread+0x35a/0x440
[  705.766319]  ? lock_downgrade+0x900/0x900
[  705.771312]  ? kthread_stop+0x900/0x900
[  705.776394]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  705.780432]  ret_from_fork+0x3a/0x50
[  705.785961]  ? pvclock_read_flags+0x160/0x160
[  705.790965] NMI backtrace for cpu 1
[  705.795174]  ? lapic_next_event+0x5a/0x90
[  705.839966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.845513]  ? kvm_clock_read+0x18/0x30
[  705.849492]  ? kvm_sched_clock_read+0x9/0x20
[  705.853905]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  705.859440]  ? check_preemption_disabled+0x48/0x280
[  705.864476]  irq_exit+0x17f/0x1c0
[  705.867931]  smp_apic_timer_interrupt+0x1cb/0x760
[  705.872769]  ? smp_reschedule_interrupt+0x109/0x650
[  705.877785]  ? smp_call_function_single_interrupt+0x650/0x650
[  705.883666]  ? interrupt_entry+0xb5/0xc0
[  705.887727]  ? trace_hardirqs_off_caller+0xbb/0x310
[  705.892737]  ? trace_hardirqs_off_caller+0xbb/0x310
[  705.897751]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  705.902588]  ? trace_hardirqs_on_caller+0x310/0x310
[  705.907603]  ? trace_hardirqs_on_caller+0x310/0x310
[  705.912618]  ? task_prio+0x50/0x50
[  705.916155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.921696]  ? check_preemption_disabled+0x48/0x280
[  705.926711]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  705.931569]  apic_timer_interrupt+0xf/0x20
[  705.935793]  </IRQ>
[  705.938029] RIP: 0010:dump_stack+0x358/0x39d
[  705.942436] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  705.961524] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  705.969236] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  705.976495] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  705.983764] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  705.991030] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  705.998292] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  706.005571]  ? dump_stack+0x34f/0x39d
[  706.009378]  ? dump_stack_print_info.cold.1+0x20/0x20
[  706.014570]  ? mark_held_locks+0x130/0x130
[  706.018800]  ? mark_held_locks+0x130/0x130
[  706.023034]  dump_header+0x27b/0xf72
[  706.026755]  ? pagefault_out_of_memory+0x197/0x197
[  706.031687]  ? __lock_acquire+0x62f/0x4c20
[  706.035919]  ? percpu_ref_get_many+0x240/0x240
[  706.040521]  ? print_usage_bug+0xc0/0xc0
[  706.044580]  ? zap_class+0x640/0x640
[  706.048293]  ? print_usage_bug+0xc0/0xc0
[  706.052346]  ? print_usage_bug+0xc0/0xc0
[  706.056418]  ? zap_class+0x640/0x640
[  706.060132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  706.065667]  ? find_held_lock+0x36/0x1c0
[  706.069736]  ? mark_held_locks+0xc7/0x130
[  706.073883]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  706.078980]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  706.084095]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  706.088673]  ? trace_hardirqs_on+0xbd/0x310
[  706.092989]  ? kasan_check_read+0x11/0x20
[  706.097134]  ? ___ratelimit+0x3b4/0x672
[  706.101105]  ? trace_hardirqs_off_caller+0x310/0x310
[  706.106204]  ? trace_hardirqs_on+0x310/0x310
[  706.110611]  ? lock_downgrade+0x900/0x900
[  706.114759]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  706.119856]  ? ___ratelimit+0x3b9/0x672
[  706.123827]  ? idr_get_free+0xf70/0xf70
[  706.127794]  ? find_held_lock+0x36/0x1c0
[  706.131878]  oom_kill_process.cold.27+0x10/0x903
[  706.136748]  ? zap_class+0x640/0x640
[  706.140473]  ? check_preemption_disabled+0x48/0x280
[  706.145501]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  706.150426]  ? kasan_check_read+0x11/0x20
[  706.154570]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  706.159844]  ? oom_evaluate_task+0x540/0x540
[  706.164269]  ? find_held_lock+0x36/0x1c0
[  706.168332]  ? out_of_memory+0x974/0x1430
[  706.172481]  ? lock_downgrade+0x900/0x900
[  706.176628]  ? check_preemption_disabled+0x48/0x280
[  706.181642]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  706.186570]  ? kasan_check_read+0x11/0x20
[  706.190712]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  706.195989]  ? rcu_softirq_qs+0x20/0x20
[  706.199969]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  706.205502]  ? oom_evaluate_task+0x302/0x540
[  706.209908]  out_of_memory+0xa84/0x1430
[  706.213902]  ? oom_killer_disable+0x3a0/0x3a0
[  706.218391]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  706.223317]  ? __ww_mutex_check_waiters+0x160/0x160
[  706.228337]  __alloc_pages_slowpath+0x232c/0x2de0
[  706.233198]  ? warn_alloc+0x120/0x120
[  706.236989]  ? mark_held_locks+0x130/0x130
[  706.241223]  ? find_get_entry+0xaae/0x1120
[  706.245465]  ? filemap_map_pages+0x1a20/0x1a20
[  706.250048]  ? zap_class+0x640/0x640
[  706.253767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  706.259303]  ? check_preemption_disabled+0x48/0x280
[  706.264399]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  706.269930]  ? should_fail+0x22d/0xd01
[  706.273935]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  706.279123]  ? zap_class+0x640/0x640
[  706.282852]  ? __lock_is_held+0xb5/0x140
[  706.286920]  ? mark_held_locks+0x130/0x130
[  706.291153]  ? lock_release+0xa00/0xa00
[  706.295124]  ? perf_trace_sched_process_exec+0x860/0x860
[  706.300567]  ? xa_load+0x2ba/0x460
[  706.304104]  ? lock_downgrade+0x900/0x900
[  706.308250]  ? __might_sleep+0x95/0x190
[  706.312225]  __alloc_pages_nodemask+0xad8/0xea0
[  706.316928]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  706.321940]  ? __page_cache_alloc+0x191/0x5c0
[  706.326425]  ? xa_load+0x2e1/0x460
[  706.329977]  ? xa_clear_mark+0x40/0x40
[  706.333856]  ? zap_class+0x640/0x640
[  706.337563]  ? zap_class+0x640/0x640
[  706.341277]  ? zap_class+0x640/0x640
[  706.344984]  ? zap_class+0x640/0x640
[  706.348694]  ? __do_page_cache_readahead+0x663/0x810
[  706.353795]  ? find_held_lock+0x36/0x1c0
[  706.357853]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  706.363391]  alloc_pages_current+0x173/0x350
[  706.367818]  __page_cache_alloc+0x38c/0x5c0
[  706.372135]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  706.377061]  ? kasan_check_read+0x11/0x20
[  706.381241]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  706.386514]  ? generic_perform_write+0x6a0/0x6a0
[  706.391257]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  706.396790]  ? check_preemption_disabled+0x48/0x280
[  706.401829]  filemap_fault+0x1595/0x25f0
[  706.405905]  ? __lock_page_or_retry+0xa00/0xa00
[  706.410568]  ? mark_held_locks+0x130/0x130
[  706.414804]  ? filemap_map_pages+0xd6b/0x1a20
[  706.419291]  ? lock_downgrade+0x900/0x900
[  706.423448]  ? check_preemption_disabled+0x48/0x280
[  706.428476]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  706.433418]  ? kasan_check_read+0x11/0x20
[  706.437558]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  706.442829]  ? rcu_softirq_qs+0x20/0x20
[  706.446821]  ? filemap_map_pages+0xd92/0x1a20
[  706.451318]  ? queue_work_on+0x12c/0x1e0
[  706.455379]  ? find_get_entries_tag+0x1400/0x1400
[  706.460221]  ? debug_object_destroy+0x2b0/0x2b0
[  706.464888]  ? lock_pi_update_atomic+0x150/0x150
[  706.469640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  706.475194]  ? lock_acquire+0x1ed/0x520
[  706.479163]  ? ext4_filemap_fault+0x7a/0xad
[  706.483492]  ? lock_release+0xa00/0xa00
[  706.487476]  ? perf_trace_sched_process_exec+0x860/0x860
[  706.492928]  ? print_usage_bug+0xc0/0xc0
[  706.496998]  ? print_usage_bug+0xc0/0xc0
[  706.501082]  ? down_read+0x8d/0x120
[  706.504715]  ? ext4_filemap_fault+0x7a/0xad
[  706.509032]  ? __down_interruptible+0x700/0x700
[  706.513703]  ext4_filemap_fault+0x82/0xad
[  706.517850]  __do_fault+0x100/0x6b0
[  706.521495]  ? find_held_lock+0x36/0x1c0
[  706.525573]  ? pmd_devmap_trans_unstable+0x220/0x220
[  706.530689]  ? mark_held_locks+0x130/0x130
[  706.534923]  ? mark_held_locks+0x130/0x130
[  706.539164]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  706.544702]  __handle_mm_fault+0x3ea0/0x5be0
[  706.549104]  ? perf_trace_lock+0x7a0/0x7a0
[  706.553339]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  706.558191]  ? __switch_to_asm+0x34/0x70
[  706.562245]  ? __switch_to_asm+0x34/0x70
[  706.566311]  ? zap_class+0x640/0x640
[  706.570020]  ? zap_class+0x640/0x640
[  706.573730]  ? __x64_sys_futex+0x53e/0x6a0
[  706.577962]  ? find_held_lock+0x36/0x1c0
[  706.582028]  ? handle_mm_fault+0x42a/0xc70
[  706.586260]  ? lock_downgrade+0x900/0x900
[  706.590403]  ? check_preemption_disabled+0x48/0x280
[  706.595439]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  706.600370]  ? kasan_check_read+0x11/0x20
[  706.604530]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  706.609804]  ? rcu_softirq_qs+0x20/0x20
[  706.613775]  ? trace_hardirqs_off_caller+0x310/0x310
[  706.618878]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  706.624410]  ? check_preemption_disabled+0x48/0x280
[  706.629427]  handle_mm_fault+0x54f/0xc70
[  706.633524]  ? __handle_mm_fault+0x5be0/0x5be0
[  706.638108]  ? find_vma+0x34/0x190
[  706.641649]  __do_page_fault+0x5e8/0xe60
[  706.645705]  ? trace_hardirqs_off+0xb8/0x310
[  706.650121]  do_page_fault+0xf2/0x7e0
[  706.653918]  ? vmalloc_sync_all+0x30/0x30
[  706.658528]  ? error_entry+0x70/0xd0
[  706.662239]  ? trace_hardirqs_off_caller+0xbb/0x310
[  706.667248]  ? trace_hardirqs_on_caller+0xc0/0x310
[  706.672369]  ? syscall_return_slowpath+0x5e0/0x5e0
[  706.677290]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  706.682131]  ? trace_hardirqs_on_caller+0x310/0x310
[  706.687144]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  706.692795]  ? prepare_exit_to_usermode+0x291/0x3b0
[  706.697806]  ? page_fault+0x8/0x30
[  706.701343]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  706.706180]  ? page_fault+0x8/0x30
[  706.709717]  page_fault+0x1e/0x30
[  706.713165] RIP: 0033:0x40f9c0
[  706.716373] Code: Bad RIP value.
[  706.719827] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  706.725188] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  706.732459] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  706.739747] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  706.747013] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  706.754275] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  706.761564] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  706.761569] warn_alloc_show_mem: 1 callbacks suppressed
[  706.761574] Mem-Info:
[  706.768845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  706.774206] active_anon:54071 inactive_anon:192 isolated_anon:0
[  706.774206]  active_file:13 inactive_file:14 isolated_file:0
[  706.774206]  unevictable:0 dirty:0 writeback:0 unstable:0
[  706.774206]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  706.774206]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  706.774206]  free:13779 free_pcp:228 free_cma:0
[  706.776571] Call Trace:
[  706.785967] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  706.818854]  <IRQ>
[  706.821416] 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
[  706.849421]  dump_stack+0x244/0x39d
[  706.851539] lowmem_reserve[]: 0 2818 6321 6321
[  706.877642]  ? dump_stack_print_info.cold.1+0x20/0x20
[  706.881246] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  706.885824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  706.890999] lowmem_reserve[]: 0 0 3503 3503
[  706.918574]  ? do_raw_spin_lock+0x14f/0x350
[  706.924171] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  706.928479]  nmi_cpu_backtrace.cold.2+0x5c/0xa1
[  706.932762] lowmem_reserve[]: 0 0 0 0
[  706.961731]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  706.966365] 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
[  706.970151]  nmi_trigger_cpumask_backtrace+0x1e8/0x22a
[  706.975304] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  706.988825]  arch_trigger_cpumask_backtrace+0x14/0x20
[  706.994066] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  707.010058]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  707.015225] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  707.030818]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  707.035208] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  707.044022]  ? print_other_cpu_stall+0x160/0x160
[  707.048750] 271 total pagecache pages
[  707.057313]  ? print_usage_bug+0xc0/0xc0
[  707.062047] 0 pages in swap cache
[  707.065843]  ? kasan_check_read+0x11/0x20
[  707.069895] Swap cache stats: add 0, delete 0, find 0/0
[  707.069902] Free swap  = 0kB
[  707.073343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.077461] Total swap = 0kB
[  707.082811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.085801] 1965979 pages RAM
[  707.091324]  ? do_trace_rcu_torture_read+0x10/0x10
[  707.094315] 0 pages HighMem/MovableOnly
[  707.094322] 342854 pages reserved
[  707.099852]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  707.102921] 0 pages cma reserved
[  707.103001] aoe: skb alloc failure
[  707.107838]  ? __lock_is_held+0xb5/0x140
[  707.107853]  ? __rcu_read_lock+0x50/0x50
[  707.111858] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  707.115262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.120512] syz-fuzzer cpuset=/ mems_allowed=0
[  707.123867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.161395]  ? check_preemption_disabled+0x48/0x280
[  707.166408]  rcu_check_callbacks+0xf3b/0x13f0
[  707.170904]  ? rcutree_dead_cpu+0x10/0x10
[  707.175063]  ? lock_downgrade+0x900/0x900
[  707.179210]  ? lock_release+0x970/0xa00
[  707.183306]  ? zap_class+0x640/0x640
[  707.187021]  ? zap_class+0x640/0x640
[  707.190729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.196258]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  707.200856]  ? kvm_set_tsc_khz+0x540/0x540
[  707.205092]  ? warn_alloc.cold.116+0xd1/0x1bd
[  707.209612]  ? find_held_lock+0x36/0x1c0
[  707.213676]  ? zap_class+0x640/0x640
[  707.217387]  ? timekeeping_advance+0x3cc/0xc00
[  707.221969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.227507]  ? check_preemption_disabled+0x48/0x280
[  707.232528]  ? trace_hardirqs_off+0xb8/0x310
[  707.236946]  ? __lock_is_held+0xb5/0x140
[  707.241034]  ? trace_hardirqs_on+0x310/0x310
[  707.245449]  ? check_preemption_disabled+0x48/0x280
[  707.250476]  ? raise_softirq+0x199/0x420
[  707.254535]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  707.259216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.264750]  ? check_preemption_disabled+0x48/0x280
[  707.269767]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  707.275299]  ? hrtimer_run_queues+0x9a/0x400
[  707.279706]  ? run_local_timers+0x19b/0x230
[  707.284024]  ? timer_clear_idle+0x90/0x90
[  707.288167]  ? debug_smp_processor_id+0x1c/0x20
[  707.292830]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  707.298794]  ? account_process_tick+0x282/0x350
[  707.303465]  update_process_times+0x2d/0x70
[  707.307789]  tick_sched_handle+0x9f/0x180
[  707.311935]  tick_sched_timer+0x45/0x130
[  707.315998]  __hrtimer_run_queues+0x41c/0x10d0
[  707.320582]  ? tick_sched_do_timer+0x1a0/0x1a0
[  707.325166]  ? hrtimer_start_range_ns+0xe00/0xe00
[  707.330031]  ? pvclock_read_flags+0x160/0x160
[  707.334528]  ? trace_hardirqs_on+0x310/0x310
[  707.338942]  ? kvm_clock_read+0x18/0x30
[  707.342915]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  707.347928]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  707.353293]  ? do_timer+0x50/0x50
[  707.356747]  ? rwlock_bug.part.2+0x90/0x90
[  707.360987]  ? trace_hardirqs_on+0x310/0x310
[  707.365390]  ? rcu_softirq_qs+0x20/0x20
[  707.369368]  hrtimer_interrupt+0x313/0x780
[  707.373618]  smp_apic_timer_interrupt+0x1a1/0x760
[  707.378465]  ? smp_call_function_single_interrupt+0x650/0x650
[  707.384364]  ? interrupt_entry+0xb5/0xc0
[  707.388419]  ? trace_hardirqs_off_caller+0xbb/0x310
[  707.393445]  ? ____cache_alloc_node+0x1c7/0x1e0
[  707.398109]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  707.402972]  ? trace_hardirqs_on_caller+0x310/0x310
[  707.407998]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  707.412841]  apic_timer_interrupt+0xf/0x20
[  707.417069] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  707.422554] Code: 3f 7e 0f 85 32 ff ff ff e8 e5 f0 3d ff e9 28 ff ff ff e8 7c 26 c3 ff 48 83 3d 24 6f 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 82 ef
[  707.441540] RSP: 0000:ffff8881daf07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  707.449242] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff11031d2c569
[  707.456505] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  707.463772] RBP: ffff8881daf074c0 R08: ffff88818e962b48 R09: 0000000000000002
[  707.471044] R10: 0000000000000000 R11: ffff88818e962280 R12: ffff8881d9beec00
[  707.478304] R13: ffff8881d9beec00 R14: 0000000000000000 R15: 0000000000000286
[  707.485592]  ? apic_timer_interrupt+0xa/0x20
[  707.490024]  ? ipv6_get_ifaddr+0x42e/0x620
[  707.494263]  __alloc_skb+0x119/0x770
[  707.497972]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  707.503264]  ? netdev_alloc_frag+0x1f0/0x1f0
[  707.507687]  ? lock_downgrade+0x900/0x900
[  707.511845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.517378]  ? refcount_sub_and_test_checked+0x203/0x310
[  707.522847]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  707.528297]  ? addrconf_rs_timer+0x690/0x690
[  707.532715]  ndisc_alloc_skb+0x144/0x340
[  707.536776]  ndisc_send_rs+0x331/0x6e0
[  707.540663]  addrconf_rs_timer+0x314/0x690
[  707.544898]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  707.549151]  call_timer_fn+0x272/0x920
[  707.553034]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  707.557264]  ? process_timeout+0x40/0x40
[  707.561325]  ? __run_timers+0x7da/0xc70
[  707.565299]  ? _raw_spin_unlock_irq+0x27/0x80
[  707.569801]  ? _raw_spin_unlock_irq+0x27/0x80
[  707.574310]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  707.578541]  ? lockdep_hardirqs_on+0x296/0x5b0
[  707.583120]  ? trace_hardirqs_on+0xbd/0x310
[  707.587453]  ? kasan_check_read+0x11/0x20
[  707.591695]  ? __run_timers+0x7da/0xc70
[  707.595664]  ? trace_hardirqs_off_caller+0x310/0x310
[  707.600778]  ? __queue_work+0x1440/0x1440
[  707.604941]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  707.609171]  __run_timers+0x7e5/0xc70
[  707.612982]  ? timer_fixup_init+0x70/0x70
[  707.617125]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  707.622132]  ? zap_class+0x640/0x640
[  707.625840]  ? enqueue_hrtimer+0x1a5/0x560
[  707.630070]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  707.635258]  ? find_held_lock+0x36/0x1c0
[  707.639323]  ? zap_class+0x640/0x640
[  707.643123]  ? pvclock_read_flags+0x160/0x160
[  707.647730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.653266]  ? check_preemption_disabled+0x48/0x280
[  707.658285]  ? __lock_is_held+0xb5/0x140
[  707.662341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.667869]  ? check_preemption_disabled+0x48/0x280
[  707.672886]  run_timer_softirq+0x52/0xb0
[  707.676954]  ? rcu_read_lock_sched_held+0x14f/0x180
[  707.681992]  __do_softirq+0x308/0xb7e
[  707.685794]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  707.690294]  ? lock_downgrade+0x900/0x900
[  707.694447]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  707.699555]  ? pvclock_read_flags+0x160/0x160
[  707.704049]  ? lapic_next_event+0x5a/0x90
[  707.708195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.713732]  ? kvm_clock_read+0x18/0x30
[  707.717702]  ? kvm_sched_clock_read+0x9/0x20
[  707.722109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.727644]  ? check_preemption_disabled+0x48/0x280
[  707.732664]  irq_exit+0x17f/0x1c0
[  707.736114]  smp_apic_timer_interrupt+0x1cb/0x760
[  707.740952]  ? smp_reschedule_interrupt+0x109/0x650
[  707.745971]  ? smp_call_function_single_interrupt+0x650/0x650
[  707.751852]  ? interrupt_entry+0xb5/0xc0
[  707.755908]  ? trace_hardirqs_off_caller+0xbb/0x310
[  707.761020]  ? trace_hardirqs_off_caller+0xbb/0x310
[  707.766032]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  707.770872]  ? trace_hardirqs_on_caller+0x310/0x310
[  707.775883]  ? trace_hardirqs_on_caller+0x310/0x310
[  707.780895]  ? task_prio+0x50/0x50
[  707.784534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.790070]  ? check_preemption_disabled+0x48/0x280
[  707.795092]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  707.799938]  apic_timer_interrupt+0xf/0x20
[  707.804166]  </IRQ>
[  707.806401] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  707.811330] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  707.830333] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  707.838033] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  707.845299] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  707.852563] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  707.859831] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  707.867094] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  707.874496]  skb_clone+0x1bb/0x500
[  707.878311]  ? finish_task_switch+0x1b4/0x910
[  707.882804]  ? skb_split+0x11e0/0x11e0
[  707.886690]  ? preempt_notifier_register+0x200/0x200
[  707.891783]  ? __switch_to_asm+0x34/0x70
[  707.895840]  ? __switch_to_asm+0x34/0x70
[  707.899911]  ? __switch_to_asm+0x40/0x70
[  707.903969]  ? __switch_to_asm+0x34/0x70
[  707.908026]  ? __switch_to_asm+0x40/0x70
[  707.912080]  ? __switch_to_asm+0x34/0x70
[  707.916135]  ? __switch_to_asm+0x40/0x70
[  707.920191]  ? __switch_to_asm+0x34/0x70
[  707.924252]  ? __switch_to_asm+0x34/0x70
[  707.928306]  ? __switch_to_asm+0x40/0x70
[  707.932361]  ? __switch_to_asm+0x34/0x70
[  707.936429]  bpf_clone_redirect+0xb9/0x490
[  707.940661]  ? __schedule+0x8d7/0x21d0
[  707.944551]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  707.949589]  ? __sched_text_start+0x8/0x8
[  707.953739]  ? retint_kernel+0x2d/0x2d
[  707.957630]  ? find_held_lock+0x36/0x1c0
[  707.961695]  ? lock_acquire+0x1ed/0x520
[  707.965677]  ? bpf_test_run+0x3cb/0x780
[  707.969659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.975192]  ? check_preemption_disabled+0x48/0x280
[  707.980211]  ? kasan_check_read+0x11/0x20
[  707.984356]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  707.989629]  ? rcu_softirq_qs+0x20/0x20
[  707.993600]  ? preempt_schedule+0x4d/0x60
[  707.997746]  ? ___preempt_schedule+0x16/0x18
[  708.002155]  ? bpf_test_run+0x25d/0x780
[  708.006133]  ? netlink_diag_dump+0x2a0/0x2a0
[  708.010558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  708.016092]  ? bpf_test_init.isra.10+0x70/0x100
[  708.020761]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  708.025521]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  708.030358]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  708.035892]  ? fput+0x130/0x1a0
[  708.039175]  ? __bpf_prog_get+0x9b/0x290
[  708.043250]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  708.048085]  ? bpf_prog_test_run+0x130/0x1a0
[  708.052492]  ? __x64_sys_bpf+0x3db/0x520
[  708.056563]  ? bpf_prog_get+0x20/0x20
[  708.060374]  ? do_syscall_64+0x1b9/0x820
[  708.064435]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  708.069798]  ? syscall_return_slowpath+0x5e0/0x5e0
[  708.074729]  ? trace_hardirqs_on_caller+0x310/0x310
[  708.079747]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  708.084760]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  708.091424]  ? __switch_to_asm+0x40/0x70
[  708.095487]  ? __switch_to_asm+0x34/0x70
[  708.099549]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  708.104391]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  708.109773] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  708.110305] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  708.116803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  708.116808] Call Trace:
[  708.116814]  <IRQ>
[  708.116834]  dump_stack+0x244/0x39d
[  708.116853]  ? dump_stack_print_info.cold.1+0x20/0x20
[  708.123422] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  708.132682]  warn_alloc.cold.116+0xb7/0x1bd
[  708.135231] syz-executor5 cpuset=syz5 mems_allowed=0
[  708.137369]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  708.170931]  ? lock_downgrade+0x900/0x900
[  708.175081]  ? trace_hardirqs_off+0xb8/0x310
[  708.179488]  ? trace_hardirqs_off+0xb8/0x310
[  708.183906]  __alloc_pages_slowpath+0x2651/0x2de0
[  708.188772]  ? warn_alloc+0x120/0x120
[  708.192575]  ? warn_alloc+0x120/0x120
[  708.196373]  ? warn_alloc+0x120/0x120
[  708.200170]  ? print_usage_bug+0xc0/0xc0
[  708.204227]  ? print_usage_bug+0xc0/0xc0
[  708.208281]  ? ktime_get+0x2c1/0x400
[  708.211995]  ? check_preemption_disabled+0x48/0x280
[  708.217003]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  708.221499]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  708.227034]  ? should_fail+0x22d/0xd01
[  708.230922]  ? kasan_check_read+0x11/0x20
[  708.235063]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  708.240162]  ? __lock_acquire+0x62f/0x4c20
[  708.244397]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  708.249536]  ? should_fail+0x22d/0xd01
[  708.253425]  ? print_usage_bug+0xc0/0xc0
[  708.257492]  ? mark_held_locks+0x130/0x130
[  708.261731]  ? mark_held_locks+0x130/0x130
[  708.265963]  ? check_preemption_disabled+0x48/0x280
[  708.271071]  ? zap_class+0x640/0x640
[  708.274802]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  708.279559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.285104]  ? check_preemption_disabled+0x48/0x280
[  708.290129]  ? __lock_is_held+0xb5/0x140
[  708.294189]  __alloc_pages_nodemask+0xad8/0xea0
[  708.298853]  ? zap_class+0x640/0x640
[  708.302566]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  708.307590]  ? find_held_lock+0x36/0x1c0
[  708.311735]  ? ____cache_alloc_node+0x1c7/0x1e0
[  708.316404]  ? lock_downgrade+0x900/0x900
[  708.320562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.326103]  cache_grow_begin+0xa5/0x8c0
[  708.330255]  ? do_raw_spin_unlock+0xa7/0x330
[  708.334665]  fallback_alloc+0x204/0x2e0
[  708.338640]  ____cache_alloc_node+0x1c7/0x1e0
[  708.343139]  kmem_cache_alloc_node+0xe3/0x730
[  708.347642]  ? lockdep_hardirqs_on+0x296/0x5b0
[  708.352230]  __alloc_skb+0x119/0x770
[  708.355972]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  708.361454]  ? netdev_alloc_frag+0x1f0/0x1f0
[  708.365884]  ? vprintk_default+0x28/0x30
[  708.369940]  ? vprintk_func+0x85/0x181
[  708.373824]  ? printk+0xa7/0xcf
[  708.377121]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  708.381887]  ? do_raw_spin_trylock+0x270/0x270
[  708.386483]  new_skb+0x26/0x1c0
[  708.389758]  aoecmd_cfg+0x279/0x7f0
[  708.393385]  ? find_held_lock+0x36/0x1c0
[  708.397471]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  708.401792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.407367]  ? __lock_is_held+0xb5/0x140
[  708.411438]  discover_timer+0x50/0x60
[  708.415238]  call_timer_fn+0x272/0x920
[  708.419136]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  708.423972]  ? process_timeout+0x40/0x40
[  708.428041]  ? mark_held_locks+0xc7/0x130
[  708.432187]  ? _raw_spin_unlock_irq+0x27/0x80
[  708.436690]  ? _raw_spin_unlock_irq+0x27/0x80
[  708.441181]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  708.446027]  ? lockdep_hardirqs_on+0x296/0x5b0
[  708.450606]  ? trace_hardirqs_on+0xbd/0x310
[  708.454922]  ? kasan_check_read+0x11/0x20
[  708.459061]  ? __run_timers+0x7da/0xc70
[  708.463141]  ? trace_hardirqs_off_caller+0x310/0x310
[  708.468252]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  708.473086]  __run_timers+0x7e5/0xc70
[  708.476888]  ? timer_fixup_init+0x70/0x70
[  708.481034]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  708.486047]  ? zap_class+0x640/0x640
[  708.489777]  ? print_usage_bug+0xc0/0xc0
[  708.493869]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  708.499064]  ? find_held_lock+0x36/0x1c0
[  708.503144]  ? zap_class+0x640/0x640
[  708.506854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.512390]  ? check_preemption_disabled+0x48/0x280
[  708.517424]  ? __lock_is_held+0xb5/0x140
[  708.521511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.527045]  ? check_preemption_disabled+0x48/0x280
[  708.532063]  run_timer_softirq+0x52/0xb0
[  708.536121]  ? rcu_read_lock_sched_held+0x14f/0x180
[  708.541134]  __do_softirq+0x308/0xb7e
[  708.544950]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  708.549551]  ? lock_downgrade+0x900/0x900
[  708.553695]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  708.558802]  ? pvclock_read_flags+0x160/0x160
[  708.563301]  ? lapic_next_event+0x5a/0x90
[  708.567457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.572998]  ? kvm_clock_read+0x18/0x30
[  708.576966]  ? kvm_sched_clock_read+0x9/0x20
[  708.581380]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  708.586925]  ? check_preemption_disabled+0x48/0x280
[  708.591947]  irq_exit+0x17f/0x1c0
[  708.595397]  smp_apic_timer_interrupt+0x1cb/0x760
[  708.600241]  ? smp_reschedule_interrupt+0x109/0x650
[  708.605252]  ? smp_call_function_single_interrupt+0x650/0x650
[  708.611130]  ? interrupt_entry+0xb5/0xc0
[  708.615190]  ? trace_hardirqs_off_caller+0xbb/0x310
[  708.620207]  ? trace_hardirqs_off_caller+0xbb/0x310
[  708.625220]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  708.630059]  ? trace_hardirqs_on_caller+0x310/0x310
[  708.635072]  ? trace_hardirqs_on_caller+0x310/0x310
[  708.640080]  ? task_prio+0x50/0x50
[  708.643616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.649153]  ? check_preemption_disabled+0x48/0x280
[  708.654677]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  708.659525]  apic_timer_interrupt+0xf/0x20
[  708.663749]  </IRQ>
[  708.666015] RIP: 0010:dump_stack+0x358/0x39d
[  708.670432] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  708.689529] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  708.697233] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  708.704496] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  708.711757] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  708.719146] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  708.726428] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  708.733707]  ? dump_stack+0x34f/0x39d
[  708.737516]  ? dump_stack_print_info.cold.1+0x20/0x20
[  708.742705]  ? mark_held_locks+0x130/0x130
[  708.746931]  ? mark_held_locks+0x130/0x130
[  708.751168]  dump_header+0x27b/0xf72
[  708.754890]  ? pagefault_out_of_memory+0x197/0x197
[  708.759831]  ? __lock_acquire+0x62f/0x4c20
[  708.764077]  ? percpu_ref_get_many+0x240/0x240
[  708.768660]  ? print_usage_bug+0xc0/0xc0
[  708.772723]  ? zap_class+0x640/0x640
[  708.776443]  ? print_usage_bug+0xc0/0xc0
[  708.780501]  ? print_usage_bug+0xc0/0xc0
[  708.784560]  ? zap_class+0x640/0x640
[  708.788300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.793838]  ? find_held_lock+0x36/0x1c0
[  708.797905]  ? mark_held_locks+0xc7/0x130
[  708.802060]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  708.807158]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  708.812261]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  708.816840]  ? trace_hardirqs_on+0xbd/0x310
[  708.821161]  ? kasan_check_read+0x11/0x20
[  708.825622]  ? ___ratelimit+0x3b4/0x672
[  708.829598]  ? trace_hardirqs_off_caller+0x310/0x310
[  708.834700]  ? trace_hardirqs_on+0x310/0x310
[  708.839109]  ? lock_downgrade+0x900/0x900
[  708.843342]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  708.848447]  ? ___ratelimit+0x3b9/0x672
[  708.852423]  ? idr_get_free+0xf70/0xf70
[  708.856421]  ? find_held_lock+0x36/0x1c0
[  708.860517]  oom_kill_process.cold.27+0x10/0x903
[  708.865270]  ? zap_class+0x640/0x640
[  708.868990]  ? check_preemption_disabled+0x48/0x280
[  708.874105]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  708.879038]  ? kasan_check_read+0x11/0x20
[  708.883181]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  708.888456]  ? oom_evaluate_task+0x540/0x540
[  708.892859]  ? find_held_lock+0x36/0x1c0
[  708.897011]  ? out_of_memory+0x974/0x1430
[  708.901161]  ? lock_downgrade+0x900/0x900
[  708.905307]  ? check_preemption_disabled+0x48/0x280
[  708.910323]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  708.915249]  ? kasan_check_read+0x11/0x20
[  708.919389]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  708.924663]  ? rcu_softirq_qs+0x20/0x20
[  708.928644]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  708.934174]  ? oom_evaluate_task+0x302/0x540
[  708.938581]  out_of_memory+0xa84/0x1430
[  708.942568]  ? oom_killer_disable+0x3a0/0x3a0
[  708.947060]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  708.951990]  ? __ww_mutex_check_waiters+0x160/0x160
[  708.957011]  __alloc_pages_slowpath+0x232c/0x2de0
[  708.961890]  ? warn_alloc+0x120/0x120
[  708.965686]  ? mark_held_locks+0x130/0x130
[  708.969918]  ? find_get_entry+0xaae/0x1120
[  708.974159]  ? filemap_map_pages+0x1a20/0x1a20
[  708.978740]  ? zap_class+0x640/0x640
[  708.982462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.987997]  ? check_preemption_disabled+0x48/0x280
[  708.993007]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  708.998540]  ? should_fail+0x22d/0xd01
[  709.002436]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  709.007536]  ? zap_class+0x640/0x640
[  709.011264]  ? __lock_is_held+0xb5/0x140
[  709.015343]  ? mark_held_locks+0x130/0x130
[  709.019662]  ? lock_release+0xa00/0xa00
[  709.023644]  ? perf_trace_sched_process_exec+0x860/0x860
[  709.029093]  ? xa_load+0x2ba/0x460
[  709.032633]  ? lock_downgrade+0x900/0x900
[  709.036779]  ? __might_sleep+0x95/0x190
[  709.040748]  __alloc_pages_nodemask+0xad8/0xea0
[  709.045449]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  709.050462]  ? __page_cache_alloc+0x191/0x5c0
[  709.054951]  ? xa_load+0x2e1/0x460
[  709.058502]  ? xa_clear_mark+0x40/0x40
[  709.062387]  ? zap_class+0x640/0x640
[  709.066117]  ? zap_class+0x640/0x640
[  709.069843]  ? zap_class+0x640/0x640
[  709.073553]  ? zap_class+0x640/0x640
[  709.077274]  ? __do_page_cache_readahead+0x663/0x810
[  709.082375]  ? find_held_lock+0x36/0x1c0
[  709.086442]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  709.091980]  alloc_pages_current+0x173/0x350
[  709.096397]  __page_cache_alloc+0x38c/0x5c0
[  709.100738]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  709.105658]  ? kasan_check_read+0x11/0x20
[  709.109798]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  709.115071]  ? generic_perform_write+0x6a0/0x6a0
[  709.119824]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  709.125357]  ? check_preemption_disabled+0x48/0x280
[  709.130374]  filemap_fault+0x1595/0x25f0
[  709.134453]  ? __lock_page_or_retry+0xa00/0xa00
[  709.139120]  ? mark_held_locks+0x130/0x130
[  709.143361]  ? filemap_map_pages+0xd6b/0x1a20
[  709.147865]  ? lock_downgrade+0x900/0x900
[  709.152006]  ? check_preemption_disabled+0x48/0x280
[  709.157020]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  709.161954]  ? kasan_check_read+0x11/0x20
[  709.166111]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  709.171387]  ? rcu_softirq_qs+0x20/0x20
[  709.175383]  ? filemap_map_pages+0xd92/0x1a20
[  709.179886]  ? queue_work_on+0x12c/0x1e0
[  709.183950]  ? find_get_entries_tag+0x1400/0x1400
[  709.188790]  ? debug_object_destroy+0x2b0/0x2b0
[  709.193462]  ? lock_pi_update_atomic+0x150/0x150
[  709.198217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.203763]  ? lock_acquire+0x1ed/0x520
[  709.207731]  ? ext4_filemap_fault+0x7a/0xad
[  709.212053]  ? lock_release+0xa00/0xa00
[  709.216025]  ? perf_trace_sched_process_exec+0x860/0x860
[  709.221475]  ? print_usage_bug+0xc0/0xc0
[  709.225534]  ? print_usage_bug+0xc0/0xc0
[  709.229601]  ? down_read+0x8d/0x120
[  709.233225]  ? ext4_filemap_fault+0x7a/0xad
[  709.237544]  ? __down_interruptible+0x700/0x700
[  709.242220]  ext4_filemap_fault+0x82/0xad
[  709.246396]  __do_fault+0x100/0x6b0
[  709.250025]  ? find_held_lock+0x36/0x1c0
[  709.254084]  ? pmd_devmap_trans_unstable+0x220/0x220
[  709.259188]  ? mark_held_locks+0x130/0x130
[  709.263431]  ? mark_held_locks+0x130/0x130
[  709.267673]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  709.273210]  __handle_mm_fault+0x3ea0/0x5be0
[  709.277616]  ? perf_trace_lock+0x7a0/0x7a0
[  709.281857]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  709.286733]  ? __switch_to_asm+0x34/0x70
[  709.290793]  ? __switch_to_asm+0x34/0x70
[  709.294878]  ? zap_class+0x640/0x640
[  709.298586]  ? zap_class+0x640/0x640
[  709.302292]  ? __x64_sys_futex+0x53e/0x6a0
[  709.306525]  ? find_held_lock+0x36/0x1c0
[  709.310591]  ? handle_mm_fault+0x42a/0xc70
[  709.314824]  ? lock_downgrade+0x900/0x900
[  709.318968]  ? check_preemption_disabled+0x48/0x280
[  709.323996]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  709.328935]  ? kasan_check_read+0x11/0x20
[  709.333079]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  709.338354]  ? rcu_softirq_qs+0x20/0x20
[  709.342425]  ? trace_hardirqs_off_caller+0x310/0x310
[  709.347523]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  709.353061]  ? check_preemption_disabled+0x48/0x280
[  709.358078]  handle_mm_fault+0x54f/0xc70
[  709.362158]  ? __handle_mm_fault+0x5be0/0x5be0
[  709.366737]  ? find_vma+0x34/0x190
[  709.370276]  __do_page_fault+0x5e8/0xe60
[  709.374331]  ? trace_hardirqs_off+0xb8/0x310
[  709.378747]  do_page_fault+0xf2/0x7e0
[  709.382543]  ? vmalloc_sync_all+0x30/0x30
[  709.386690]  ? error_entry+0x70/0xd0
[  709.390403]  ? trace_hardirqs_off_caller+0xbb/0x310
[  709.395417]  ? trace_hardirqs_on_caller+0xc0/0x310
[  709.400365]  ? syscall_return_slowpath+0x5e0/0x5e0
[  709.405296]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  709.410135]  ? trace_hardirqs_on_caller+0x310/0x310
[  709.415148]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  709.420613]  ? prepare_exit_to_usermode+0x291/0x3b0
[  709.425623]  ? page_fault+0x8/0x30
[  709.429162]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  709.434155]  ? page_fault+0x8/0x30
[  709.437690]  page_fault+0x1e/0x30
[  709.441136] RIP: 0033:0x40f9c0
[  709.444339] Code: Bad RIP value.
[  709.447699] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  709.453070] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  709.460333] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  709.467599] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  709.474967] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  709.482231] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  709.489523] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  709.489525] Mem-Info:
[  709.489557] active_anon:54071 inactive_anon:192 isolated_anon:0
[  709.489557]  active_file:13 inactive_file:14 isolated_file:0
[  709.489557]  unevictable:0 dirty:0 writeback:0 unstable:0
[  709.489557]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  709.489557]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  709.489557]  free:13779 free_pcp:228 free_cma:0
[  709.496804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  709.499233] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  709.532071] Call Trace:
[  709.541411] 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
[  709.568889]  <IRQ>
[  709.571450] lowmem_reserve[]: 0 2818 6321 6321
[  709.597556]  dump_stack+0x244/0x39d
[  709.599674] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  709.604248]  ? dump_stack_print_info.cold.1+0x20/0x20
[  709.607860] lowmem_reserve[]: 0 0 3503 3503
[  709.635372]  warn_alloc.cold.116+0xb7/0x1bd
[  709.640535] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  709.644850]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  709.649134] lowmem_reserve[]: 0 0 0 0
[  709.678024]  ? lock_downgrade+0x900/0x900
[  709.682856] 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
[  709.686656]  ? trace_hardirqs_off+0xb8/0x310
[  709.690762] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  709.704313]  ? trace_hardirqs_off+0xb8/0x310
[  709.708695] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  709.724666]  __alloc_pages_slowpath+0x2651/0x2de0
[  709.729047] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  709.744668]  ? warn_alloc+0x120/0x120
[  709.749473] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  709.758291]  ? print_usage_bug+0xc0/0xc0
[  709.762063] 271 total pagecache pages
[  709.770624]  ? warn_alloc+0x120/0x120
[  709.774664] 0 pages in swap cache
[  709.778448]  ? warn_alloc+0x120/0x120
[  709.782225] Swap cache stats: add 0, delete 0, find 0/0
[  709.785666]  ? print_usage_bug+0xc0/0xc0
[  709.789437] Free swap  = 0kB
[  709.794785]  ? kvm_clock_read+0x18/0x30
[  709.798817] Total swap = 0kB
[  709.801823]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  709.805767] 1965979 pages RAM
[  709.808775]  ? print_usage_bug+0xc0/0xc0
[  709.813760] 0 pages HighMem/MovableOnly
[  709.813767] 342854 pages reserved
[  709.816861]  ? __lock_acquire+0x62f/0x4c20
[  709.820995] 0 pages cma reserved
[  709.824962]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  709.828456] aoe: skb alloc failure
[  709.832613]  ? should_fail+0x22d/0xd01
[  709.832626]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  709.832643]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  709.836013] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  709.841504]  ? __lock_acquire+0x62f/0x4c20
[  709.845016] syz-fuzzer cpuset=/ mems_allowed=0
[  709.848897]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  709.883315]  ? __lock_acquire+0x62f/0x4c20
[  709.887538]  ? should_fail+0x22d/0xd01
[  709.891436]  ? rcu_irq_exit+0x1a2/0x390
[  709.895432]  ? mark_held_locks+0x130/0x130
[  709.899665]  ? mark_held_locks+0x130/0x130
[  709.903928]  ? mark_held_locks+0xc7/0x130
[  709.908074]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  709.913107]  ? zap_class+0x640/0x640
[  709.916818]  ? print_usage_bug+0xc0/0xc0
[  709.920881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.926421]  ? check_preemption_disabled+0x48/0x280
[  709.931461]  ? __lock_is_held+0xb5/0x140
[  709.935523]  __alloc_pages_nodemask+0xad8/0xea0
[  709.940190]  ? zap_class+0x640/0x640
[  709.943913]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  709.948941]  ? find_held_lock+0x36/0x1c0
[  709.953006]  ? ____cache_alloc_node+0x1c7/0x1e0
[  709.957673]  ? lock_downgrade+0x900/0x900
[  709.961821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.967359]  cache_grow_begin+0xa5/0x8c0
[  709.971424]  ? do_raw_spin_unlock+0xa7/0x330
[  709.975854]  fallback_alloc+0x204/0x2e0
[  709.979835]  ____cache_alloc_node+0x1c7/0x1e0
[  709.984333]  kmem_cache_alloc_node+0xe3/0x730
[  709.988830]  ? ipv6_get_ifaddr+0x42e/0x620
[  709.993070]  __alloc_skb+0x119/0x770
[  709.996794]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  710.002069]  ? netdev_alloc_frag+0x1f0/0x1f0
[  710.006469]  ? lock_downgrade+0x900/0x900
[  710.010615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.016166]  ? refcount_sub_and_test_checked+0x203/0x310
[  710.021617]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  710.027062]  ? addrconf_rs_timer+0x690/0x690
[  710.031476]  ndisc_alloc_skb+0x144/0x340
[  710.035538]  ndisc_send_rs+0x331/0x6e0
[  710.039425]  addrconf_rs_timer+0x314/0x690
[  710.043687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  710.047950]  call_timer_fn+0x272/0x920
[  710.051833]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  710.056061]  ? process_timeout+0x40/0x40
[  710.060127]  ? __run_timers+0x7da/0xc70
[  710.064103]  ? _raw_spin_unlock_irq+0x27/0x80
[  710.068604]  ? _raw_spin_unlock_irq+0x27/0x80
[  710.073102]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  710.077335]  ? lockdep_hardirqs_on+0x296/0x5b0
[  710.081920]  ? trace_hardirqs_on+0xbd/0x310
[  710.086252]  ? kasan_check_read+0x11/0x20
[  710.090397]  ? __run_timers+0x7da/0xc70
[  710.094375]  ? trace_hardirqs_off_caller+0x310/0x310
[  710.099565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  710.103803]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  710.108046]  __run_timers+0x7e5/0xc70
[  710.111850]  ? timer_fixup_init+0x70/0x70
[  710.115996]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  710.121006]  ? zap_class+0x640/0x640
[  710.124741]  ? enqueue_hrtimer+0x1a5/0x560
[  710.128978]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  710.134168]  ? find_held_lock+0x36/0x1c0
[  710.138227]  ? zap_class+0x640/0x640
[  710.141942]  ? pvclock_read_flags+0x160/0x160
[  710.146433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.151994]  ? check_preemption_disabled+0x48/0x280
[  710.157017]  ? __lock_is_held+0xb5/0x140
[  710.161077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.166611]  ? check_preemption_disabled+0x48/0x280
[  710.171640]  run_timer_softirq+0x52/0xb0
[  710.175696]  ? rcu_read_lock_sched_held+0x14f/0x180
[  710.180712]  __do_softirq+0x308/0xb7e
[  710.184514]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  710.189034]  ? lock_downgrade+0x900/0x900
[  710.193183]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  710.198301]  ? pvclock_read_flags+0x160/0x160
[  710.202809]  ? lapic_next_event+0x5a/0x90
[  710.206954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.212492]  ? kvm_clock_read+0x18/0x30
[  710.216465]  ? kvm_sched_clock_read+0x9/0x20
[  710.220875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.226415]  ? check_preemption_disabled+0x48/0x280
[  710.231454]  irq_exit+0x17f/0x1c0
[  710.234906]  smp_apic_timer_interrupt+0x1cb/0x760
[  710.239743]  ? smp_reschedule_interrupt+0x109/0x650
[  710.244868]  ? smp_call_function_single_interrupt+0x650/0x650
[  710.250745]  ? interrupt_entry+0xb5/0xc0
[  710.254806]  ? trace_hardirqs_off_caller+0xbb/0x310
[  710.259815]  ? trace_hardirqs_off_caller+0xbb/0x310
[  710.264828]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  710.269782]  ? trace_hardirqs_on_caller+0x310/0x310
[  710.274797]  ? trace_hardirqs_on_caller+0x310/0x310
[  710.279809]  ? task_prio+0x50/0x50
[  710.283350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.288887]  ? check_preemption_disabled+0x48/0x280
[  710.293913]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  710.298759]  apic_timer_interrupt+0xf/0x20
[  710.302998]  </IRQ>
[  710.305232] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  710.310160] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  710.329057] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  710.336761] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  710.344022] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  710.351282] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  710.358544] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  710.365840] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  710.373137]  skb_clone+0x1bb/0x500
[  710.376672]  ? finish_task_switch+0x1b4/0x910
[  710.381164]  ? skb_split+0x11e0/0x11e0
[  710.385050]  ? preempt_notifier_register+0x200/0x200
[  710.390150]  ? __switch_to_asm+0x34/0x70
[  710.394205]  ? __switch_to_asm+0x34/0x70
[  710.398258]  ? __switch_to_asm+0x40/0x70
[  710.402311]  ? __switch_to_asm+0x34/0x70
[  710.406373]  ? __switch_to_asm+0x40/0x70
[  710.410431]  ? __switch_to_asm+0x34/0x70
[  710.414504]  ? __switch_to_asm+0x40/0x70
[  710.418561]  ? __switch_to_asm+0x34/0x70
[  710.422618]  ? __switch_to_asm+0x34/0x70
[  710.426676]  ? __switch_to_asm+0x40/0x70
[  710.430728]  ? __switch_to_asm+0x34/0x70
[  710.434792]  bpf_clone_redirect+0xb9/0x490
[  710.439029]  ? __schedule+0x8d7/0x21d0
[  710.442922]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  710.447938]  ? __sched_text_start+0x8/0x8
[  710.452083]  ? retint_kernel+0x2d/0x2d
[  710.455982]  ? find_held_lock+0x36/0x1c0
[  710.460047]  ? lock_acquire+0x1ed/0x520
[  710.464024]  ? bpf_test_run+0x3cb/0x780
[  710.468006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.473540]  ? check_preemption_disabled+0x48/0x280
[  710.478558]  ? kasan_check_read+0x11/0x20
[  710.482788]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  710.488057]  ? rcu_softirq_qs+0x20/0x20
[  710.492030]  ? preempt_schedule+0x4d/0x60
[  710.496175]  ? ___preempt_schedule+0x16/0x18
[  710.500586]  ? bpf_test_run+0x25d/0x780
[  710.504574]  ? netlink_diag_dump+0x2a0/0x2a0
[  710.508983]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  710.514517]  ? bpf_test_init.isra.10+0x70/0x100
[  710.519187]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  710.523946]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  710.528787]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  710.534321]  ? fput+0x130/0x1a0
[  710.537598]  ? __bpf_prog_get+0x9b/0x290
[  710.541681]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  710.546517]  ? bpf_prog_test_run+0x130/0x1a0
[  710.550923]  ? __x64_sys_bpf+0x3db/0x520
[  710.554989]  ? bpf_prog_get+0x20/0x20
[  710.558833]  ? do_syscall_64+0x1b9/0x820
[  710.562888]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  710.568255]  ? syscall_return_slowpath+0x5e0/0x5e0
[  710.573185]  ? trace_hardirqs_on_caller+0x310/0x310
[  710.578201]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  710.583216]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  710.589968]  ? __switch_to_asm+0x40/0x70
[  710.594020]  ? __switch_to_asm+0x34/0x70
[  710.598084]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  710.602932]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  710.608310] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  710.608398] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  710.615323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  710.615328] Call Trace:
[  710.615333]  <IRQ>
[  710.615351]  dump_stack+0x244/0x39d
[  710.615376]  ? dump_stack_print_info.cold.1+0x20/0x20
[  710.621964] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  710.631200]  warn_alloc.cold.116+0xb7/0x1bd
[  710.633748] syz-executor5 cpuset=syz5 mems_allowed=0
[  710.635884]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  710.669881]  ? lock_downgrade+0x900/0x900
[  710.674032]  ? trace_hardirqs_off+0xb8/0x310
[  710.678442]  ? trace_hardirqs_off+0xb8/0x310
[  710.682860]  __alloc_pages_slowpath+0x2651/0x2de0
[  710.687835]  ? warn_alloc+0x120/0x120
[  710.691636]  ? warn_alloc+0x120/0x120
[  710.695435]  ? __lock_acquire+0x62f/0x4c20
[  710.699687]  ? warn_alloc+0x120/0x120
[  710.703488]  ? print_usage_bug+0xc0/0xc0
[  710.707544]  ? print_usage_bug+0xc0/0xc0
[  710.711602]  ? mark_held_locks+0x130/0x130
[  710.715851]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  710.721397]  ? should_fail+0x22d/0xd01
[  710.725297]  ? zap_class+0x640/0x640
[  710.729008]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  710.734110]  ? __lock_acquire+0x62f/0x4c20
[  710.738436]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  710.743536]  ? should_fail+0x22d/0xd01
[  710.747430]  ? mark_held_locks+0x130/0x130
[  710.751664]  ? mark_held_locks+0x130/0x130
[  710.755893]  ? lock_downgrade+0x900/0x900
[  710.760038]  ? zap_class+0x640/0x640
[  710.763746]  ? zap_class+0x640/0x640
[  710.767465]  ? zap_class+0x640/0x640
[  710.771173]  ? do_raw_spin_unlock+0xa7/0x330
[  710.775576]  ? trace_hardirqs_on+0x310/0x310
[  710.779978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.785516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.791059]  ? check_preemption_disabled+0x48/0x280
[  710.796100]  ? __lock_is_held+0xb5/0x140
[  710.800161]  __alloc_pages_nodemask+0xad8/0xea0
[  710.804822]  ? zap_class+0x640/0x640
[  710.808543]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  710.813666]  ? find_held_lock+0x36/0x1c0
[  710.817731]  ? ____cache_alloc_node+0x1c7/0x1e0
[  710.822692]  ? lock_downgrade+0x900/0x900
[  710.826849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.832393]  cache_grow_begin+0xa5/0x8c0
[  710.836452]  ? do_raw_spin_unlock+0xa7/0x330
[  710.840860]  fallback_alloc+0x204/0x2e0
[  710.844845]  ____cache_alloc_node+0x1c7/0x1e0
[  710.849341]  kmem_cache_alloc_node+0xe3/0x730
[  710.853843]  ? lockdep_hardirqs_on+0x296/0x5b0
[  710.858430]  __alloc_skb+0x119/0x770
[  710.862139]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  710.867504]  ? netdev_alloc_frag+0x1f0/0x1f0
[  710.871934]  ? vprintk_default+0x28/0x30
[  710.876077]  ? vprintk_func+0x85/0x181
[  710.879961]  ? printk+0xa7/0xcf
[  710.883235]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  710.887989]  ? do_raw_spin_trylock+0x270/0x270
[  710.892570]  new_skb+0x26/0x1c0
[  710.895848]  aoecmd_cfg+0x279/0x7f0
[  710.899475]  ? find_held_lock+0x36/0x1c0
[  710.903537]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  710.907861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.913409]  ? __lock_is_held+0xb5/0x140
[  710.917481]  discover_timer+0x50/0x60
[  710.921291]  call_timer_fn+0x272/0x920
[  710.925175]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  710.930020]  ? process_timeout+0x40/0x40
[  710.934083]  ? mark_held_locks+0xc7/0x130
[  710.938242]  ? _raw_spin_unlock_irq+0x27/0x80
[  710.942732]  ? _raw_spin_unlock_irq+0x27/0x80
[  710.947221]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  710.952057]  ? lockdep_hardirqs_on+0x296/0x5b0
[  710.956636]  ? trace_hardirqs_on+0xbd/0x310
[  710.960952]  ? kasan_check_read+0x11/0x20
[  710.965105]  ? __run_timers+0x7da/0xc70
[  710.969076]  ? trace_hardirqs_off_caller+0x310/0x310
[  710.974188]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  710.979023]  __run_timers+0x7e5/0xc70
[  710.982824]  ? timer_fixup_init+0x70/0x70
[  710.986969]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  710.991989]  ? zap_class+0x640/0x640
[  710.995705]  ? print_usage_bug+0xc0/0xc0
[  710.999763]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  711.004959]  ? find_held_lock+0x36/0x1c0
[  711.009029]  ? zap_class+0x640/0x640
[  711.012761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.018302]  ? check_preemption_disabled+0x48/0x280
[  711.023412]  ? __lock_is_held+0xb5/0x140
[  711.027487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.033035]  ? check_preemption_disabled+0x48/0x280
[  711.038052]  run_timer_softirq+0x52/0xb0
[  711.042108]  ? rcu_read_lock_sched_held+0x14f/0x180
[  711.047122]  __do_softirq+0x308/0xb7e
[  711.050942]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  711.055435]  ? lock_downgrade+0x900/0x900
[  711.059586]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  711.064697]  ? pvclock_read_flags+0x160/0x160
[  711.069190]  ? lapic_next_event+0x5a/0x90
[  711.073339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.078881]  ? kvm_clock_read+0x18/0x30
[  711.082864]  ? kvm_sched_clock_read+0x9/0x20
[  711.087271]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  711.092803]  ? check_preemption_disabled+0x48/0x280
[  711.097828]  irq_exit+0x17f/0x1c0
[  711.101278]  smp_apic_timer_interrupt+0x1cb/0x760
[  711.106115]  ? smp_reschedule_interrupt+0x109/0x650
[  711.111129]  ? smp_call_function_single_interrupt+0x650/0x650
[  711.117012]  ? interrupt_entry+0xb5/0xc0
[  711.121069]  ? trace_hardirqs_off_caller+0xbb/0x310
[  711.126078]  ? trace_hardirqs_off_caller+0xbb/0x310
[  711.131094]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  711.135932]  ? trace_hardirqs_on_caller+0x310/0x310
[  711.140945]  ? trace_hardirqs_on_caller+0x310/0x310
[  711.145956]  ? task_prio+0x50/0x50
[  711.149497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.155047]  ? check_preemption_disabled+0x48/0x280
[  711.160062]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  711.164907]  apic_timer_interrupt+0xf/0x20
[  711.169130]  </IRQ>
[  711.171371] RIP: 0010:dump_stack+0x358/0x39d
[  711.175781] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  711.194691] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  711.202398] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  711.209667] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  711.216946] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  711.224209] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  711.231471] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  711.238749]  ? dump_stack+0x34f/0x39d
[  711.242589]  ? dump_stack_print_info.cold.1+0x20/0x20
[  711.247794]  ? mark_held_locks+0x130/0x130
[  711.252023]  ? mark_held_locks+0x130/0x130
[  711.256274]  dump_header+0x27b/0xf72
[  711.259994]  ? pagefault_out_of_memory+0x197/0x197
[  711.264929]  ? __lock_acquire+0x62f/0x4c20
[  711.269161]  ? percpu_ref_get_many+0x240/0x240
[  711.273742]  ? print_usage_bug+0xc0/0xc0
[  711.277982]  ? zap_class+0x640/0x640
[  711.281693]  ? print_usage_bug+0xc0/0xc0
[  711.285748]  ? print_usage_bug+0xc0/0xc0
[  711.289806]  ? zap_class+0x640/0x640
[  711.293519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.299063]  ? find_held_lock+0x36/0x1c0
[  711.303127]  ? mark_held_locks+0xc7/0x130
[  711.307274]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  711.312379]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  711.317476]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  711.322057]  ? trace_hardirqs_on+0xbd/0x310
[  711.326380]  ? kasan_check_read+0x11/0x20
[  711.330526]  ? ___ratelimit+0x3b4/0x672
[  711.334501]  ? trace_hardirqs_off_caller+0x310/0x310
[  711.339599]  ? trace_hardirqs_on+0x310/0x310
[  711.344004]  ? lock_downgrade+0x900/0x900
[  711.348156]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  711.353259]  ? ___ratelimit+0x3b9/0x672
[  711.357234]  ? idr_get_free+0xf70/0xf70
[  711.361203]  ? find_held_lock+0x36/0x1c0
[  711.365378]  oom_kill_process.cold.27+0x10/0x903
[  711.370129]  ? zap_class+0x640/0x640
[  711.373841]  ? check_preemption_disabled+0x48/0x280
[  711.378858]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  711.383784]  ? kasan_check_read+0x11/0x20
[  711.387934]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  711.393205]  ? oom_evaluate_task+0x540/0x540
[  711.397608]  ? find_held_lock+0x36/0x1c0
[  711.401673]  ? out_of_memory+0x974/0x1430
[  711.405918]  ? lock_downgrade+0x900/0x900
[  711.410062]  ? check_preemption_disabled+0x48/0x280
[  711.415077]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  711.419998]  ? kasan_check_read+0x11/0x20
[  711.424141]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  711.429519]  ? rcu_softirq_qs+0x20/0x20
[  711.433495]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  711.439025]  ? oom_evaluate_task+0x302/0x540
[  711.443431]  out_of_memory+0xa84/0x1430
[  711.447418]  ? oom_killer_disable+0x3a0/0x3a0
[  711.451910]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  711.456840]  ? __ww_mutex_check_waiters+0x160/0x160
[  711.461948]  __alloc_pages_slowpath+0x232c/0x2de0
[  711.466811]  ? warn_alloc+0x120/0x120
[  711.470610]  ? mark_held_locks+0x130/0x130
[  711.474865]  ? find_get_entry+0xaae/0x1120
[  711.479102]  ? filemap_map_pages+0x1a20/0x1a20
[  711.483686]  ? zap_class+0x640/0x640
[  711.487412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.492946]  ? check_preemption_disabled+0x48/0x280
[  711.497957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  711.503501]  ? should_fail+0x22d/0xd01
[  711.507396]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  711.512498]  ? zap_class+0x640/0x640
[  711.516246]  ? __lock_is_held+0xb5/0x140
[  711.520327]  ? mark_held_locks+0x130/0x130
[  711.524566]  ? lock_release+0xa00/0xa00
[  711.528534]  ? perf_trace_sched_process_exec+0x860/0x860
[  711.533977]  ? xa_load+0x2ba/0x460
[  711.537540]  ? lock_downgrade+0x900/0x900
[  711.541683]  ? __might_sleep+0x95/0x190
[  711.545657]  __alloc_pages_nodemask+0xad8/0xea0
[  711.550329]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  711.555366]  ? __page_cache_alloc+0x191/0x5c0
[  711.559857]  ? xa_load+0x2e1/0x460
[  711.563405]  ? xa_clear_mark+0x40/0x40
[  711.567291]  ? zap_class+0x640/0x640
[  711.570998]  ? zap_class+0x640/0x640
[  711.574725]  ? zap_class+0x640/0x640
[  711.578435]  ? zap_class+0x640/0x640
[  711.582142]  ? __do_page_cache_readahead+0x663/0x810
[  711.587242]  ? find_held_lock+0x36/0x1c0
[  711.591314]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  711.596856]  alloc_pages_current+0x173/0x350
[  711.601264]  __page_cache_alloc+0x38c/0x5c0
[  711.605584]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  711.610523]  ? kasan_check_read+0x11/0x20
[  711.614663]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  711.619939]  ? generic_perform_write+0x6a0/0x6a0
[  711.624702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  711.630240]  ? check_preemption_disabled+0x48/0x280
[  711.635264]  filemap_fault+0x1595/0x25f0
[  711.639329]  ? __lock_page_or_retry+0xa00/0xa00
[  711.644010]  ? mark_held_locks+0x130/0x130
[  711.648290]  ? filemap_map_pages+0xd6b/0x1a20
[  711.652783]  ? lock_downgrade+0x900/0x900
[  711.656923]  ? check_preemption_disabled+0x48/0x280
[  711.662024]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  711.666958]  ? kasan_check_read+0x11/0x20
[  711.671117]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  711.676393]  ? rcu_softirq_qs+0x20/0x20
[  711.680381]  ? filemap_map_pages+0xd92/0x1a20
[  711.684876]  ? queue_work_on+0x12c/0x1e0
[  711.688938]  ? find_get_entries_tag+0x1400/0x1400
[  711.693780]  ? debug_object_destroy+0x2b0/0x2b0
[  711.698532]  ? lock_pi_update_atomic+0x150/0x150
[  711.703376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.708919]  ? lock_acquire+0x1ed/0x520
[  711.712894]  ? ext4_filemap_fault+0x7a/0xad
[  711.717217]  ? lock_release+0xa00/0xa00
[  711.721198]  ? perf_trace_sched_process_exec+0x860/0x860
[  711.726643]  ? print_usage_bug+0xc0/0xc0
[  711.730819]  ? print_usage_bug+0xc0/0xc0
[  711.734929]  ? down_read+0x8d/0x120
[  711.738581]  ? ext4_filemap_fault+0x7a/0xad
[  711.742902]  ? __down_interruptible+0x700/0x700
[  711.747571]  ext4_filemap_fault+0x82/0xad
[  711.751713]  __do_fault+0x100/0x6b0
[  711.755341]  ? find_held_lock+0x36/0x1c0
[  711.759422]  ? pmd_devmap_trans_unstable+0x220/0x220
[  711.764527]  ? mark_held_locks+0x130/0x130
[  711.768762]  ? mark_held_locks+0x130/0x130
[  711.773090]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  711.778627]  __handle_mm_fault+0x3ea0/0x5be0
[  711.783033]  ? perf_trace_lock+0x7a0/0x7a0
[  711.787273]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  711.792124]  ? __switch_to_asm+0x34/0x70
[  711.796183]  ? __switch_to_asm+0x34/0x70
[  711.800267]  ? zap_class+0x640/0x640
[  711.803984]  ? zap_class+0x640/0x640
[  711.807707]  ? __x64_sys_futex+0x53e/0x6a0
[  711.811953]  ? find_held_lock+0x36/0x1c0
[  711.816017]  ? handle_mm_fault+0x42a/0xc70
[  711.820255]  ? lock_downgrade+0x900/0x900
[  711.824417]  ? check_preemption_disabled+0x48/0x280
[  711.829431]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  711.834370]  ? kasan_check_read+0x11/0x20
[  711.838508]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  711.843774]  ? rcu_softirq_qs+0x20/0x20
[  711.847740]  ? trace_hardirqs_off_caller+0x310/0x310
[  711.852837]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  711.858383]  ? check_preemption_disabled+0x48/0x280
[  711.863416]  handle_mm_fault+0x54f/0xc70
[  711.867474]  ? __handle_mm_fault+0x5be0/0x5be0
[  711.872057]  ? find_vma+0x34/0x190
[  711.875600]  __do_page_fault+0x5e8/0xe60
[  711.879653]  ? trace_hardirqs_off+0xb8/0x310
[  711.884064]  do_page_fault+0xf2/0x7e0
[  711.887861]  ? vmalloc_sync_all+0x30/0x30
[  711.892001]  ? error_entry+0x70/0xd0
[  711.895710]  ? trace_hardirqs_off_caller+0xbb/0x310
[  711.900731]  ? trace_hardirqs_on_caller+0xc0/0x310
[  711.905658]  ? syscall_return_slowpath+0x5e0/0x5e0
[  711.910600]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  711.915441]  ? trace_hardirqs_on_caller+0x310/0x310
[  711.920546]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  711.926010]  ? prepare_exit_to_usermode+0x291/0x3b0
[  711.931021]  ? page_fault+0x8/0x30
[  711.934558]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  711.939414]  ? page_fault+0x8/0x30
[  711.942950]  page_fault+0x1e/0x30
[  711.946396] RIP: 0033:0x40f9c0
[  711.949602] Code: Bad RIP value.
[  711.952957] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  711.958313] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  711.965582] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  711.972844] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  711.980109] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  711.987375] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  711.994668] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  711.994672] warn_alloc_show_mem: 1 callbacks suppressed
[  711.994678] Mem-Info:
[  712.001944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  712.007301] active_anon:54071 inactive_anon:192 isolated_anon:0
[  712.007301]  active_file:13 inactive_file:14 isolated_file:0
[  712.007301]  unevictable:0 dirty:0 writeback:0 unstable:0
[  712.007301]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  712.007301]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  712.007301]  free:13779 free_pcp:228 free_cma:0
[  712.009667] Call Trace:
[  712.019040] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  712.051978]  <IRQ>
[  712.054544] 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
[  712.082177]  dump_stack+0x244/0x39d
[  712.084302] lowmem_reserve[]: 0 2818 6321 6321
[  712.110408]  ? dump_stack_print_info.cold.1+0x20/0x20
[  712.114005] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  712.118587]  warn_alloc.cold.116+0xb7/0x1bd
[  712.123738] lowmem_reserve[]: 0 0 3503 3503
[  712.151224]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  712.155520] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  712.160022]  ? lock_downgrade+0x900/0x900
[  712.164825] lowmem_reserve[]: 0 0 0 0
[  712.193715]  ? trace_hardirqs_off+0xb8/0x310
[  712.197837] 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
[  712.201652]  ? trace_hardirqs_off+0xb8/0x310
[  712.206028] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  712.219547]  __alloc_pages_slowpath+0x2651/0x2de0
[  712.223921] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  712.239888]  ? warn_alloc+0x120/0x120
[  712.244687] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  712.260294]  ? warn_alloc+0x120/0x120
[  712.264185] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  712.273006]  ? warn_alloc+0x120/0x120
[  712.276775] 271 total pagecache pages
[  712.285344]  ? print_usage_bug+0xc0/0xc0
[  712.289123] 0 pages in swap cache
[  712.292903]  ? print_usage_bug+0xc0/0xc0
[  712.296941] Swap cache stats: add 0, delete 0, find 0/0
[  712.300395]  ? mark_held_locks+0x130/0x130
[  712.304425] Free swap  = 0kB
[  712.309775]  ? should_fail+0x22d/0xd01
[  712.313987] Total swap = 0kB
[  712.313994] 1965979 pages RAM
[  712.317000]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  712.320862] 0 pages HighMem/MovableOnly
[  712.323867]  ? should_fail+0x22d/0xd01
[  712.327062] 342854 pages reserved
[  712.327069] 0 pages cma reserved
[  712.332601]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  712.336610] aoe: skb alloc failure
[  712.340435]  ? __lock_acquire+0x62f/0x4c20
[  712.343926] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  712.347231]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  712.352304] syz-fuzzer cpuset=/ mems_allowed=0
[  712.355835]  ? __lock_acquire+0x62f/0x4c20
[  712.355849]  ? should_fail+0x22d/0xd01
[  712.388362]  ? mark_held_locks+0x130/0x130
[  712.392603]  ? mark_held_locks+0x130/0x130
[  712.396832]  ? zap_class+0x640/0x640
[  712.400560]  ? check_preemption_disabled+0x48/0x280
[  712.405575]  ? zap_class+0x640/0x640
[  712.409284]  ? print_usage_bug+0xc0/0xc0
[  712.413363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.418900]  ? check_preemption_disabled+0x48/0x280
[  712.423928]  ? __lock_is_held+0xb5/0x140
[  712.427991]  __alloc_pages_nodemask+0xad8/0xea0
[  712.432681]  ? zap_class+0x640/0x640
[  712.436401]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  712.441428]  ? find_held_lock+0x36/0x1c0
[  712.445527]  ? ____cache_alloc_node+0x1c7/0x1e0
[  712.450209]  ? lock_downgrade+0x900/0x900
[  712.454353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.459887]  cache_grow_begin+0xa5/0x8c0
[  712.463944]  ? do_raw_spin_unlock+0xa7/0x330
[  712.468358]  fallback_alloc+0x204/0x2e0
[  712.472354]  ____cache_alloc_node+0x1c7/0x1e0
[  712.476941]  kmem_cache_alloc_node+0xe3/0x730
[  712.481539]  ? ipv6_get_ifaddr+0x42e/0x620
[  712.485781]  __alloc_skb+0x119/0x770
[  712.489490]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  712.494765]  ? netdev_alloc_frag+0x1f0/0x1f0
[  712.499202]  ? lock_downgrade+0x900/0x900
[  712.503387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.508921]  ? refcount_sub_and_test_checked+0x203/0x310
[  712.514369]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  712.519818]  ? addrconf_rs_timer+0x690/0x690
[  712.524239]  ndisc_alloc_skb+0x144/0x340
[  712.528321]  ndisc_send_rs+0x331/0x6e0
[  712.532212]  addrconf_rs_timer+0x314/0x690
[  712.536454]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  712.540696]  call_timer_fn+0x272/0x920
[  712.544577]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  712.548829]  ? process_timeout+0x40/0x40
[  712.552898]  ? __run_timers+0x7da/0xc70
[  712.556878]  ? _raw_spin_unlock_irq+0x27/0x80
[  712.561369]  ? _raw_spin_unlock_irq+0x27/0x80
[  712.565865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  712.570205]  ? lockdep_hardirqs_on+0x296/0x5b0
[  712.574891]  ? trace_hardirqs_on+0xbd/0x310
[  712.579211]  ? kasan_check_read+0x11/0x20
[  712.583369]  ? __run_timers+0x7da/0xc70
[  712.587347]  ? trace_hardirqs_off_caller+0x310/0x310
[  712.592455]  ? tcp_delack_timer_handler+0x810/0x810
[  712.597471]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  712.601700]  __run_timers+0x7e5/0xc70
[  712.605503]  ? timer_fixup_init+0x70/0x70
[  712.609648]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  712.614659]  ? zap_class+0x640/0x640
[  712.618371]  ? enqueue_hrtimer+0x1a5/0x560
[  712.622608]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  712.627797]  ? find_held_lock+0x36/0x1c0
[  712.631855]  ? zap_class+0x640/0x640
[  712.635568]  ? pvclock_read_flags+0x160/0x160
[  712.640102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.645643]  ? check_preemption_disabled+0x48/0x280
[  712.650663]  ? __lock_is_held+0xb5/0x140
[  712.654953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.660499]  ? check_preemption_disabled+0x48/0x280
[  712.665533]  run_timer_softirq+0x52/0xb0
[  712.669589]  ? rcu_read_lock_sched_held+0x14f/0x180
[  712.674604]  __do_softirq+0x308/0xb7e
[  712.678405]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  712.682896]  ? lock_downgrade+0x900/0x900
[  712.687042]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  712.692142]  ? pvclock_read_flags+0x160/0x160
[  712.696629]  ? lapic_next_event+0x5a/0x90
[  712.700774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.706317]  ? kvm_clock_read+0x18/0x30
[  712.710325]  ? kvm_sched_clock_read+0x9/0x20
[  712.714738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.720273]  ? check_preemption_disabled+0x48/0x280
[  712.725291]  irq_exit+0x17f/0x1c0
[  712.728747]  smp_apic_timer_interrupt+0x1cb/0x760
[  712.733584]  ? smp_reschedule_interrupt+0x109/0x650
[  712.738613]  ? smp_call_function_single_interrupt+0x650/0x650
[  712.744497]  ? interrupt_entry+0xb5/0xc0
[  712.748557]  ? trace_hardirqs_off_caller+0xbb/0x310
[  712.753570]  ? trace_hardirqs_off_caller+0xbb/0x310
[  712.758582]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  712.763418]  ? trace_hardirqs_on_caller+0x310/0x310
[  712.768427]  ? trace_hardirqs_on_caller+0x310/0x310
[  712.773528]  ? task_prio+0x50/0x50
[  712.777064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.782684]  ? check_preemption_disabled+0x48/0x280
[  712.787701]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  712.792546]  apic_timer_interrupt+0xf/0x20
[  712.796782]  </IRQ>
[  712.799020] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  712.803949] Code: 7e 0f 85 cf fe ff ff e8 36 d1 3d ff e9 c5 fe ff ff e8 cd 06 c3 ff 48 83 3d 75 4f 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 82 ef
[  712.823376] RSP: 0000:ffff888193f2f718 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  712.831082] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  712.838345] RDX: 0000000000000000 RSI: ffff88818e962b00 RDI: 0000000000000286
[  712.845612] RBP: ffff888193f2f780 R08: ffff88818e962280 R09: 0000000000000000
[  712.852890] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  712.860157] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  712.867487]  skb_clone+0x1bb/0x500
[  712.871025]  ? finish_task_switch+0x1b4/0x910
[  712.875517]  ? skb_split+0x11e0/0x11e0
[  712.879413]  ? preempt_notifier_register+0x200/0x200
[  712.884522]  ? __switch_to_asm+0x34/0x70
[  712.888578]  ? __switch_to_asm+0x34/0x70
[  712.892631]  ? __switch_to_asm+0x40/0x70
[  712.896685]  ? __switch_to_asm+0x34/0x70
[  712.900738]  ? __switch_to_asm+0x40/0x70
[  712.904795]  ? __switch_to_asm+0x34/0x70
[  712.908860]  ? __switch_to_asm+0x40/0x70
[  712.912919]  ? __switch_to_asm+0x34/0x70
[  712.916977]  ? __switch_to_asm+0x34/0x70
[  712.921034]  ? __switch_to_asm+0x40/0x70
[  712.925090]  ? __switch_to_asm+0x34/0x70
[  712.929152]  bpf_clone_redirect+0xb9/0x490
[  712.933388]  ? __schedule+0x8d7/0x21d0
[  712.937301]  bpf_prog_bebbfe2050753572+0x99d/0x1000
[  712.942346]  ? __sched_text_start+0x8/0x8
[  712.946554]  ? retint_kernel+0x2d/0x2d
[  712.950447]  ? find_held_lock+0x36/0x1c0
[  712.954513]  ? lock_acquire+0x1ed/0x520
[  712.958485]  ? bpf_test_run+0x3cb/0x780
[  712.962458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.967993]  ? check_preemption_disabled+0x48/0x280
[  712.973012]  ? kasan_check_read+0x11/0x20
[  712.977155]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  712.982427]  ? rcu_softirq_qs+0x20/0x20
[  712.986402]  ? preempt_schedule+0x4d/0x60
[  712.990565]  ? ___preempt_schedule+0x16/0x18
[  712.994989]  ? bpf_test_run+0x25d/0x780
[  712.998971]  ? netlink_diag_dump+0x2a0/0x2a0
[  713.003380]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  713.008913]  ? bpf_test_init.isra.10+0x70/0x100
[  713.013594]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  713.018358]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  713.023193]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  713.028724]  ? fput+0x130/0x1a0
[  713.032004]  ? __bpf_prog_get+0x9b/0x290
[  713.036065]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  713.040919]  ? bpf_prog_test_run+0x130/0x1a0
[  713.045331]  ? __x64_sys_bpf+0x3db/0x520
[  713.049386]  ? bpf_prog_get+0x20/0x20
[  713.053205]  ? do_syscall_64+0x1b9/0x820
[  713.057268]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  713.062628]  ? syscall_return_slowpath+0x5e0/0x5e0
[  713.067562]  ? trace_hardirqs_on_caller+0x310/0x310
[  713.072577]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  713.077611]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  713.084273]  ? __switch_to_asm+0x40/0x70
[  713.088333]  ? __switch_to_asm+0x34/0x70
[  713.092398]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  713.097238]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  713.102611] CPU: 0 PID: 5986 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #157
[  713.102691] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  713.109625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  713.109632] Call Trace:
[  713.116224] syz-executor5: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  713.125444]  <IRQ>
[  713.128007] syz-executor5 cpuset=syz5 mems_allowed=0
[  713.138486]  dump_stack+0x244/0x39d
[  713.149320]  ? dump_stack_print_info.cold.1+0x20/0x20
[  713.154539]  warn_alloc.cold.116+0xb7/0x1bd
[  713.158874]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  713.163714]  ? lock_downgrade+0x900/0x900
[  713.167869]  ? trace_hardirqs_off+0xb8/0x310
[  713.172278]  ? trace_hardirqs_off+0xb8/0x310
[  713.176721]  __alloc_pages_slowpath+0x2651/0x2de0
[  713.181585]  ? warn_alloc+0x120/0x120
[  713.185391]  ? warn_alloc+0x120/0x120
[  713.189204]  ? warn_alloc+0x120/0x120
[  713.193011]  ? print_usage_bug+0xc0/0xc0
[  713.197072]  ? print_usage_bug+0xc0/0xc0
[  713.201149]  ? ktime_get+0x2c1/0x400
[  713.204864]  ? check_preemption_disabled+0x48/0x280
[  713.209873]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  713.214364]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  713.219897]  ? should_fail+0x22d/0xd01
[  713.223795]  ? kasan_check_read+0x11/0x20
[  713.227942]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  713.233045]  ? __lock_acquire+0x62f/0x4c20
[  713.237283]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  713.242390]  ? should_fail+0x22d/0xd01
[  713.246274]  ? print_usage_bug+0xc0/0xc0
[  713.250352]  ? mark_held_locks+0x130/0x130
[  713.254590]  ? mark_held_locks+0x130/0x130
[  713.258823]  ? check_preemption_disabled+0x48/0x280
[  713.263843]  ? zap_class+0x640/0x640
[  713.267570]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  713.272334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.277884]  ? check_preemption_disabled+0x48/0x280
[  713.282903]  ? __lock_is_held+0xb5/0x140
[  713.286967]  __alloc_pages_nodemask+0xad8/0xea0
[  713.291632]  ? zap_class+0x640/0x640
[  713.295350]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  713.300371]  ? find_held_lock+0x36/0x1c0
[  713.304434]  ? ____cache_alloc_node+0x1c7/0x1e0
[  713.309243]  ? lock_downgrade+0x900/0x900
[  713.313392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.318937]  cache_grow_begin+0xa5/0x8c0
[  713.322992]  ? do_raw_spin_unlock+0xa7/0x330
[  713.327420]  fallback_alloc+0x204/0x2e0
[  713.331395]  ____cache_alloc_node+0x1c7/0x1e0
[  713.335894]  kmem_cache_alloc_node+0xe3/0x730
[  713.340386]  ? lockdep_hardirqs_on+0x296/0x5b0
[  713.344971]  __alloc_skb+0x119/0x770
[  713.348678]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  713.354046]  ? netdev_alloc_frag+0x1f0/0x1f0
[  713.358456]  ? vprintk_default+0x28/0x30
[  713.362532]  ? vprintk_func+0x85/0x181
[  713.366520]  ? printk+0xa7/0xcf
[  713.369795]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  713.374585]  ? do_raw_spin_trylock+0x270/0x270
[  713.379185]  new_skb+0x26/0x1c0
[  713.382473]  aoecmd_cfg+0x279/0x7f0
[  713.386115]  ? find_held_lock+0x36/0x1c0
[  713.390174]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  713.394494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.400044]  ? __lock_is_held+0xb5/0x140
[  713.404108]  discover_timer+0x50/0x60
[  713.407918]  call_timer_fn+0x272/0x920
[  713.411803]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  713.416640]  ? process_timeout+0x40/0x40
[  713.420709]  ? mark_held_locks+0xc7/0x130
[  713.424856]  ? _raw_spin_unlock_irq+0x27/0x80
[  713.429352]  ? _raw_spin_unlock_irq+0x27/0x80
[  713.433844]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  713.438695]  ? lockdep_hardirqs_on+0x296/0x5b0
[  713.443269]  ? trace_hardirqs_on+0xbd/0x310
[  713.447604]  ? kasan_check_read+0x11/0x20
[  713.451747]  ? __run_timers+0x7da/0xc70
[  713.455715]  ? trace_hardirqs_off_caller+0x310/0x310
[  713.460843]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  713.465693]  __run_timers+0x7e5/0xc70
[  713.469524]  ? timer_fixup_init+0x70/0x70
[  713.473668]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  713.478688]  ? zap_class+0x640/0x640
[  713.482400]  ? print_usage_bug+0xc0/0xc0
[  713.486470]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  713.491683]  ? find_held_lock+0x36/0x1c0
[  713.495754]  ? zap_class+0x640/0x640
[  713.499469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.505001]  ? check_preemption_disabled+0x48/0x280
[  713.510019]  ? __lock_is_held+0xb5/0x140
[  713.514079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.519613]  ? check_preemption_disabled+0x48/0x280
[  713.524637]  run_timer_softirq+0x52/0xb0
[  713.528697]  ? rcu_read_lock_sched_held+0x14f/0x180
[  713.533711]  __do_softirq+0x308/0xb7e
[  713.537542]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  713.542033]  ? lock_downgrade+0x900/0x900
[  713.546181]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  713.551287]  ? pvclock_read_flags+0x160/0x160
[  713.555890]  ? lapic_next_event+0x5a/0x90
[  713.560037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.565604]  ? kvm_clock_read+0x18/0x30
[  713.569572]  ? kvm_sched_clock_read+0x9/0x20
[  713.573976]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  713.579509]  ? check_preemption_disabled+0x48/0x280
[  713.584531]  irq_exit+0x17f/0x1c0
[  713.587979]  smp_apic_timer_interrupt+0x1cb/0x760
[  713.592817]  ? smp_reschedule_interrupt+0x109/0x650
[  713.597948]  ? smp_call_function_single_interrupt+0x650/0x650
[  713.603824]  ? interrupt_entry+0xb5/0xc0
[  713.607876]  ? trace_hardirqs_off_caller+0xbb/0x310
[  713.612886]  ? trace_hardirqs_off_caller+0xbb/0x310
[  713.617898]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  713.622854]  ? trace_hardirqs_on_caller+0x310/0x310
[  713.627861]  ? trace_hardirqs_on_caller+0x310/0x310
[  713.632873]  ? task_prio+0x50/0x50
[  713.636411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.641942]  ? check_preemption_disabled+0x48/0x280
[  713.646972]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  713.651836]  apic_timer_interrupt+0xf/0x20
[  713.656070]  </IRQ>
[  713.658312] RIP: 0010:dump_stack+0x358/0x39d
[  713.662721] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 31 a5 ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  713.681621] RSP: 0000:ffff8881c22f61e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  713.689334] RAX: ffff8881c22e0540 RBX: 1ffffffff12a3f6e RCX: 1ffff1103845c1c6
[  713.696601] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  713.703865] RBP: ffff8881c22f6290 R08: ffff8881c22e0e30 R09: 0000000000000006
[  713.711132] R10: 0000000000000000 R11: ffff8881c22e0540 R12: 1ffff1103845ec45
[  713.718396] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000000
[  713.725673]  ? dump_stack+0x34f/0x39d
[  713.729490]  ? dump_stack_print_info.cold.1+0x20/0x20
[  713.734676]  ? mark_held_locks+0x130/0x130
[  713.738920]  ? mark_held_locks+0x130/0x130
[  713.743171]  dump_header+0x27b/0xf72
[  713.746891]  ? pagefault_out_of_memory+0x197/0x197
[  713.751849]  ? __lock_acquire+0x62f/0x4c20
[  713.756081]  ? percpu_ref_get_many+0x240/0x240
[  713.760664]  ? print_usage_bug+0xc0/0xc0
[  713.764744]  ? zap_class+0x640/0x640
[  713.768453]  ? print_usage_bug+0xc0/0xc0
[  713.772507]  ? print_usage_bug+0xc0/0xc0
[  713.776581]  ? zap_class+0x640/0x640
[  713.780303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.785859]  ? find_held_lock+0x36/0x1c0
[  713.789921]  ? mark_held_locks+0xc7/0x130
[  713.794065]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  713.799162]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  713.804260]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  713.808846]  ? trace_hardirqs_on+0xbd/0x310
[  713.813170]  ? kasan_check_read+0x11/0x20
[  713.817313]  ? ___ratelimit+0x3b4/0x672
[  713.821297]  ? trace_hardirqs_off_caller+0x310/0x310
[  713.826400]  ? trace_hardirqs_on+0x310/0x310
[  713.830827]  ? lock_downgrade+0x900/0x900
[  713.834985]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  713.840086]  ? ___ratelimit+0x3b9/0x672
[  713.844064]  ? idr_get_free+0xf70/0xf70
[  713.848035]  ? find_held_lock+0x36/0x1c0
[  713.852096]  oom_kill_process.cold.27+0x10/0x903
[  713.856846]  ? zap_class+0x640/0x640
[  713.860555]  ? check_preemption_disabled+0x48/0x280
[  713.865567]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  713.870489]  ? kasan_check_read+0x11/0x20
[  713.874633]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  713.879903]  ? oom_evaluate_task+0x540/0x540
[  713.884314]  ? find_held_lock+0x36/0x1c0
[  713.888378]  ? out_of_memory+0x974/0x1430
[  713.892537]  ? lock_downgrade+0x900/0x900
[  713.896678]  ? check_preemption_disabled+0x48/0x280
[  713.901696]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  713.906619]  ? kasan_check_read+0x11/0x20
[  713.910788]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  713.916064]  ? rcu_softirq_qs+0x20/0x20
[  713.920040]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  713.925570]  ? oom_evaluate_task+0x302/0x540
[  713.929977]  out_of_memory+0xa84/0x1430
[  713.933965]  ? oom_killer_disable+0x3a0/0x3a0
[  713.938459]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  713.943390]  ? __ww_mutex_check_waiters+0x160/0x160
[  713.948413]  __alloc_pages_slowpath+0x232c/0x2de0
[  713.953276]  ? warn_alloc+0x120/0x120
[  713.957085]  ? mark_held_locks+0x130/0x130
[  713.961324]  ? find_get_entry+0xaae/0x1120
[  713.965587]  ? filemap_map_pages+0x1a20/0x1a20
[  713.970470]  ? zap_class+0x640/0x640
[  713.974184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.979721]  ? check_preemption_disabled+0x48/0x280
[  713.984730]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  713.990264]  ? should_fail+0x22d/0xd01
[  713.994161]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  713.999261]  ? zap_class+0x640/0x640
[  714.002998]  ? __lock_is_held+0xb5/0x140
[  714.007066]  ? mark_held_locks+0x130/0x130
[  714.011307]  ? lock_release+0xa00/0xa00
[  714.015300]  ? perf_trace_sched_process_exec+0x860/0x860
[  714.020750]  ? xa_load+0x2ba/0x460
[  714.024294]  ? lock_downgrade+0x900/0x900
[  714.028444]  ? __might_sleep+0x95/0x190
[  714.032422]  __alloc_pages_nodemask+0xad8/0xea0
[  714.037093]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  714.042103]  ? __page_cache_alloc+0x191/0x5c0
[  714.046593]  ? xa_load+0x2e1/0x460
[  714.050130]  ? xa_clear_mark+0x40/0x40
[  714.054012]  ? zap_class+0x640/0x640
[  714.057723]  ? zap_class+0x640/0x640
[  714.061439]  ? zap_class+0x640/0x640
[  714.065146]  ? zap_class+0x640/0x640
[  714.068855]  ? __do_page_cache_readahead+0x663/0x810
[  714.073958]  ? find_held_lock+0x36/0x1c0
[  714.078024]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  714.083565]  alloc_pages_current+0x173/0x350
[  714.088061]  __page_cache_alloc+0x38c/0x5c0
[  714.092379]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  714.097309]  ? kasan_check_read+0x11/0x20
[  714.101455]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  714.106732]  ? generic_perform_write+0x6a0/0x6a0
[  714.111503]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  714.117038]  ? check_preemption_disabled+0x48/0x280
[  714.122142]  filemap_fault+0x1595/0x25f0
[  714.126240]  ? __lock_page_or_retry+0xa00/0xa00
[  714.130908]  ? mark_held_locks+0x130/0x130
[  714.135145]  ? filemap_map_pages+0xd6b/0x1a20
[  714.139637]  ? lock_downgrade+0x900/0x900
[  714.143780]  ? check_preemption_disabled+0x48/0x280
[  714.148796]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  714.153719]  ? kasan_check_read+0x11/0x20
[  714.157867]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  714.163140]  ? rcu_softirq_qs+0x20/0x20
[  714.167123]  ? filemap_map_pages+0xd92/0x1a20
[  714.171621]  ? queue_work_on+0x12c/0x1e0
[  714.175684]  ? find_get_entries_tag+0x1400/0x1400
[  714.180525]  ? debug_object_destroy+0x2b0/0x2b0
[  714.185198]  ? lock_pi_update_atomic+0x150/0x150
[  714.189949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.195496]  ? lock_acquire+0x1ed/0x520
[  714.199553]  ? ext4_filemap_fault+0x7a/0xad
[  714.203875]  ? lock_release+0xa00/0xa00
[  714.207852]  ? perf_trace_sched_process_exec+0x860/0x860
[  714.213303]  ? print_usage_bug+0xc0/0xc0
[  714.217364]  ? print_usage_bug+0xc0/0xc0
[  714.221432]  ? down_read+0x8d/0x120
[  714.225053]  ? ext4_filemap_fault+0x7a/0xad
[  714.229374]  ? __down_interruptible+0x700/0x700
[  714.234071]  ext4_filemap_fault+0x82/0xad
[  714.238216]  __do_fault+0x100/0x6b0
[  714.241837]  ? find_held_lock+0x36/0x1c0
[  714.245891]  ? pmd_devmap_trans_unstable+0x220/0x220
[  714.250988]  ? mark_held_locks+0x130/0x130
[  714.255218]  ? mark_held_locks+0x130/0x130
[  714.259460]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  714.265003]  __handle_mm_fault+0x3ea0/0x5be0
[  714.269411]  ? perf_trace_lock+0x7a0/0x7a0
[  714.273653]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  714.278498]  ? __switch_to_asm+0x34/0x70
[  714.282554]  ? __switch_to_asm+0x34/0x70
[  714.286629]  ? zap_class+0x640/0x640
[  714.290347]  ? zap_class+0x640/0x640
[  714.294058]  ? __x64_sys_futex+0x53e/0x6a0
[  714.298377]  ? find_held_lock+0x36/0x1c0
[  714.302524]  ? handle_mm_fault+0x42a/0xc70
[  714.306757]  ? lock_downgrade+0x900/0x900
[  714.310913]  ? check_preemption_disabled+0x48/0x280
[  714.315946]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  714.320875]  ? kasan_check_read+0x11/0x20
[  714.325023]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  714.330300]  ? rcu_softirq_qs+0x20/0x20
[  714.334297]  ? trace_hardirqs_off_caller+0x310/0x310
[  714.339400]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  714.344930]  ? check_preemption_disabled+0x48/0x280
[  714.349950]  handle_mm_fault+0x54f/0xc70
[  714.354036]  ? __handle_mm_fault+0x5be0/0x5be0
[  714.358620]  ? find_vma+0x34/0x190
[  714.362162]  __do_page_fault+0x5e8/0xe60
[  714.366219]  ? trace_hardirqs_off+0xb8/0x310
[  714.370645]  do_page_fault+0xf2/0x7e0
[  714.374531]  ? vmalloc_sync_all+0x30/0x30
[  714.378675]  ? error_entry+0x70/0xd0
[  714.382386]  ? trace_hardirqs_off_caller+0xbb/0x310
[  714.387405]  ? trace_hardirqs_on_caller+0xc0/0x310
[  714.392334]  ? syscall_return_slowpath+0x5e0/0x5e0
[  714.397261]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  714.402112]  ? trace_hardirqs_on_caller+0x310/0x310
[  714.407136]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  714.412586]  ? prepare_exit_to_usermode+0x291/0x3b0
[  714.417602]  ? page_fault+0x8/0x30
[  714.421153]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  714.426007]  ? page_fault+0x8/0x30
[  714.429553]  page_fault+0x1e/0x30
[  714.433002] RIP: 0033:0x40f9c0
[  714.436207] Code: Bad RIP value.
[  714.439563] RSP: 002b:000000c420023ef8 EFLAGS: 00010216
[  714.444921] RAX: ffffffffffffff92 RBX: 000000003b97456c RCX: 000000000045ddf3
[  714.452183] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fb5c0
[  714.459456] RBP: 000000c420023f20 R08: 0000000000000000 R09: 0000000000000000
[  714.466721] R10: 000000c420023ed8 R11: 0000000000000206 R12: 0000000000000001
[  714.473988] R13: 000000c4294c3f20 R14: 0000000000000001 R15: 0000000000000000
[  714.481284] CPU: 1 PID: 7507 Comm: syz-executor5 Not tainted 4.20.0-rc3+ #157
[  714.481289] warn_alloc_show_mem: 1 callbacks suppressed
[  714.481295] Mem-Info:
[  714.488565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  714.493930] active_anon:54071 inactive_anon:192 isolated_anon:0
[  714.493930]  active_file:13 inactive_file:14 isolated_file:0
[  714.493930]  unevictable:0 dirty:0 writeback:0 unstable:0
[  714.493930]  slab_reclaimable:9574 slab_unreclaimable:1452485
[  714.493930]  mapped:49154 shmem:244 pagetables:683 bounce:0
[  714.493930]  free:13779 free_pcp:228 free_cma:0
[  714.496308] Call Trace:
[  714.505683] Node 0 active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 145408kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  714.538525]  <IRQ>
[  714.541092] 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
[  714.568583]  dump_stack+0x244/0x39d
[  714.570693] lowmem_reserve[]: 0 2818 6321 6321
[  714.596806]  ? dump_stack_print_info.cold.1+0x20/0x20
[  714.600399] Node 0 DMA32 free:25268kB 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:248kB local_pcp:248kB free_cma:0kB
[  714.604982]  warn_alloc.cold.116+0xb7/0x1bd
[  714.610138] lowmem_reserve[]: 0 0 3503 3503
[  714.637644]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  714.641936] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:216284kB inactive_anon:768kB active_file:52kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2732kB bounce:0kB free_pcp:664kB local_pcp:416kB free_cma:0kB
[  714.646249]  ? lock_downgrade+0x900/0x900
[  714.651055] lowmem_reserve[]: 0 0 0 0
[  714.680196]  ? trace_hardirqs_off+0xb8/0x310
[  714.684314] 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
[  714.688108]  ? trace_hardirqs_off+0xb8/0x310
[  714.692486] Node 0 DMA32: 5*4kB (UM) 2*8kB (UM) 5*16kB (UMH) 6*32kB (UMH) 4*64kB (UMH) 3*128kB (UM) 3*256kB (UM) 4*512kB (UMH) 3*1024kB (M) 3*2048kB (UM) 3*4096kB (M) = 25268kB
[  714.706004]  __alloc_pages_slowpath+0x2651/0x2de0
[  714.710370] Node 0 Normal: 1375*4kB (UMEH) 349*8kB (ME) 99*16kB (UMH) 25*32kB (UMH) 3*64kB (UM) 2*128kB (UM) 1*256kB (U) 1*512kB (U) 0*1024kB 1*2048kB (M) 0*4096kB = 13940kB
[  714.726255]  ? warn_alloc+0x120/0x120
[  714.731054] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  714.746741]  ? print_usage_bug+0xc0/0xc0
[  714.750514] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  714.759331]  ? warn_alloc+0x120/0x120
[  714.763364] 271 total pagecache pages
[  714.771928]  ? warn_alloc+0x120/0x120
[  714.775707] 0 pages in swap cache
[  714.779492]  ? print_usage_bug+0xc0/0xc0
[  714.783303] Swap cache stats: add 0, delete 0, find 0/0
[  714.786736]  ? kvm_clock_read+0x18/0x30
[  714.790769] Free swap  = 0kB
[  714.796120]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  714.800066] Total swap = 0kB
[  714.803071]  ? print_usage_bug+0xc0/0xc0
[  714.808062] 1965979 pages RAM
[  714.811070]  ? __lock_acquire+0x62f/0x4c20
[  714.815098] 0 pages HighMem/MovableOnly
[  714.815105] 342854 pages reserved
[  714.818201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  714.822753] 0 pages cma reserved
[  714.822830] aoe: skb alloc failure
[  714.826738]  ? should_fail+0x22d/0xd01
[  714.830188] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  714.835680]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  714.839018] syz-fuzzer cpuset=/ mems_allowed=0
[  714.842546]  ? __lock_acquire+0x62f/0x4c20
[  714.870492]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  714.875589]  ? __lock_acquire+0x62f/0x4c20
[  714.879822]  ? should_fail+0x22d/0xd01
[  714.883715]  ? mark_held_locks+0x130/0x130
[  714.887949]  ? mark_held_locks+0x130/0x130
[  714.892186]  ? mark_held_locks+0xc7/0x130
[  714.896336]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  714.901348]  ? zap_class+0x640/0x640
[  714.905058]  ? print_usage_bug+0xc0/0xc0
[  714.909145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.914681]  ? check_preemption_disabled+0x48/0x280
[  714.919697]  ? __lock_is_held+0xb5/0x140
[  714.923765]  __alloc_pages_nodemask+0xad8/0xea0
[  714.928434]  ? zap_class+0x640/0x640
[  714.932144]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  714.937165]  ? find_held_lock+0x36/0x1c0
[  714.941232]  ? ____cache_alloc_node+0x1c7/0x1e0
[  714.945925]  ? lock_downgrade+0x900/0x900
[  714.950073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.955608]  cache_grow_begin+0xa5/0x8c0
[  714.959666]  ? do_raw_spin_unlock+0xa7/0x330
[  714.964077]  fallback_alloc+0x204/0x2e0
[  714.968052]  ____cache_alloc_node+0x1c7/0x1e0
[  714.972550]  kmem_cache_alloc_node+0xe3/0x730
[  714.977055]  ? ipv6_get_ifaddr+0x42e/0x620
[  714.981315]  __alloc_skb+0x119/0x770
[  714.985022]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  714.990391]  ? netdev_alloc_frag+0x1f0/0x1f0
[  714.994828]  ? lock_downgrade+0x900/0x900
[  714.998976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.004516]  ? refcount_sub_and_test_checked+0x203/0x310
[  715.009964]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0